/* ============================================================
   扑欢宠物 PUHUAN — Design System
   Palette: 米纸 paper / 墨 ink / 扑橙 pounce / 暖阳 sun / 清水 sky
   Signature: 弹簧"扑"动效 + 描边贴纸插画风
   ============================================================ */

:root{
  --paper:#FAF5EB;
  --paper-deep:#F3ECDC;
  --card:#FFFDF7;
  --ink:#1D1812;
  --ink-60:rgba(29,24,18,.6);
  --ink-12:rgba(29,24,18,.12);
  --pounce:#FF521F;
  --pounce-deep:#E8431A;
  --sun:#FFB727;
  --sun-soft:#FFE3B3;
  --sky:#86C5DA;
  --blush:#FFD9C9;
  --dark:#171310;
  --dark-card:#221C16;
  --dark-line:#3A322A;
  --line:#E8DFCD;
  --radius:22px;
  --spring:cubic-bezier(.34,1.45,.64,1);
  --spring-big:cubic-bezier(.22,1.6,.36,1);
  --font-cn:"Space Grotesk","Noto Sans SC","PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  --font-num:"Space Grotesk","Avenir Next","Trebuchet MS",var(--font-cn);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-cn);
  background-color:var(--paper);
  background-image:radial-gradient(rgba(29,24,18,.05) 1px,transparent 1.4px);
  background-size:26px 26px;
  color:var(--ink);
  line-height:1.7;
  overflow-x:hidden;
}
img,svg{display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
::selection{background:var(--pounce);color:#fff}

.sprite{position:absolute;width:0;height:0;overflow:hidden}

.container{width:min(1180px,100% - 48px);margin-inline:auto}
.section{padding:100px 0}

h1,h2,h3{font-weight:900;line-height:1.18;letter-spacing:.01em}
h2{font-size:clamp(1.9rem,4vw,2.9rem)}

/* ---------- eyebrow ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.82rem;font-weight:700;letter-spacing:.22em;
  color:var(--ink-60);text-transform:uppercase;margin-bottom:18px;
}
.eyebrow-dot{width:10px;height:10px;border-radius:50%;background:var(--pounce);box-shadow:0 0 0 4px rgba(255,82,31,.18)}
.eyebrow-light{color:rgba(250,245,235,.55)}

.section-head{max-width:580px;margin-bottom:48px}
.section-sub{color:var(--ink-60);font-size:1.06rem;margin-top:16px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:15px 30px;border-radius:999px;
  font-weight:700;font-size:1rem;line-height:1;
  border:2.5px solid var(--ink);
  box-shadow:3px 3px 0 rgba(29,24,18,.15);
  transition:transform .25s var(--spring),box-shadow .25s var(--spring),background-color .2s;
  will-change:transform;
}
.btn:hover{transform:translate(-2px,-3px);box-shadow:5px 5px 0 rgba(29,24,18,.2)}
.btn:active{transform:translate(3px,3px);box-shadow:1px 1px 0 rgba(29,24,18,.1)}
.btn-pounce{background:var(--pounce);color:#fff}
.btn-pounce:hover{background:var(--pounce-deep)}
.btn-ink{background:var(--ink);color:var(--paper);box-shadow:3px 3px 0 rgba(29,24,18,.15)}
.btn-ink:hover{box-shadow:5px 5px 0 rgba(29,24,18,.25)}
.btn-ghost{background:var(--card)}
.btn-sun{background:var(--sun);color:var(--ink)}
.btn-sm{padding:11px 22px;font-size:.92rem;box-shadow:2px 2px 0 rgba(29,24,18,.12)}
.btn-add{padding:10px 18px;font-size:.88rem;background:var(--card);box-shadow:2px 2px 0 rgba(29,24,18,.12)}
.btn-add:hover{background:var(--sun);box-shadow:3px 3px 0 rgba(29,24,18,.18)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid var(--pounce);outline-offset:3px}

/* ============ NAV ============ */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background-color .3s,box-shadow .3s,backdrop-filter .3s;
}
.nav.scrolled{
  background:rgba(250,245,235,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 1px 0 var(--line),0 10px 30px rgba(29,24,18,.06);
}
.nav-inner{
  width:min(1280px,100% - 40px);margin-inline:auto;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:16px 0;
}
.brand{display:inline-flex;align-items:center;gap:11px}
.brand-logo{height:22px;width:auto;display:block;transition:transform .35s var(--spring-big)}
.brand:hover .brand-logo{transform:rotate(-2deg) scale(1.05)}

/* ---- 导航下拉菜单 ---- */
.nav-dropdown{position:relative}
.nav-dropdown-trigger{display:flex;align-items:center;gap:2px}
.dropdown-arrow{transition:transform .3s ease}
.nav-dropdown:hover .dropdown-arrow{transform:rotate(180deg)}
.nav-dropdown-menu{
  position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(6px);
  background:var(--paper);border-radius:14px;box-shadow:0 8px 32px rgba(29,24,18,.14);
  padding:8px;min-width:180px;opacity:0;visibility:hidden;
  transition:opacity .25s ease,transform .25s ease,visibility .25s;
}
.nav-dropdown:hover .nav-dropdown-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(2px)}
.nav-dropdown-menu a{
  display:block;padding:10px 16px;border-radius:10px;color:var(--ink);font-size:.92rem;white-space:nowrap;
  transition:background .2s,color .2s;
}
.nav-dropdown-menu a:hover{background:rgba(255,82,31,.08);color:var(--pounce);transform:none}
@media(max-width:768px){
  .mobile-dropdown-toggle{display:block;cursor:pointer}
  .mobile-dropdown-toggle span{display:flex;align-items:center;gap:4px;padding:12px 20px;width:100%;
    font-size:1.05rem;font-weight:500;color:var(--ink);transition:color .2s}
  .mobile-dropdown-toggle .dropdown-arrow{transition:transform .3s ease}
  .mobile-dropdown-toggle.open .dropdown-arrow{transform:rotate(180deg)}
  .mobile-submenu{max-height:0;overflow:hidden;transition:max-height .35s ease;padding-left:20px}
  .mobile-dropdown-toggle.open .mobile-submenu{max-height:300px}
  .mobile-submenu a{display:block;padding:10px 16px;font-size:.95rem;color:var(--ink);border-radius:10px}
  .mobile-submenu a:hover{background:rgba(255,82,31,.08);color:var(--pounce)}
}

.nav-links{display:flex;gap:6px}
.nav-links a{
  padding:9px 15px;border-radius:999px;font-weight:500;font-size:.95rem;
  transition:background-color .2s,transform .25s var(--spring);
}
.nav-links a:hover{background:rgba(29,24,18,.07);transform:translateY(-1px)}
.nav-right{display:flex;align-items:center;gap:14px}
.bag-btn{position:relative;width:42px;height:42px;display:grid;place-items:center;border-radius:50%;transition:background-color .2s}
.bag-btn:hover{background:rgba(29,24,18,.07)}
.bag-btn svg{width:24px;height:24px}
.bag-count{
  position:absolute;top:-2px;right:-4px;min-width:19px;height:19px;padding:0 5px;
  border-radius:999px;background:var(--pounce);color:#fff;
  font-family:var(--font-num);font-size:.68rem;font-weight:700;
  display:grid;place-items:center;border:2px solid var(--paper);
  transition:transform .3s var(--spring-big);
}
.bag-count.bump{transform:scale(1.45)}
.menu-btn{display:none;width:42px;height:42px;flex-direction:column;align-items:center;justify-content:center;gap:7px}
.menu-btn span{width:22px;height:3px;border-radius:2px;background:var(--ink);transition:transform .3s var(--spring),opacity .2s}
body.menu-open .menu-btn span:first-child{transform:translateY(5px) rotate(45deg)}
body.menu-open .menu-btn span:last-child{transform:translateY(-5px) rotate(-45deg)}
.mobile-menu{
  position:fixed;inset:0;z-index:99;background:var(--paper);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;
}
.mobile-menu a{font-size:1.5rem;font-weight:700;padding:12px}
.mobile-menu .btn{margin-top:18px;font-size:1.05rem}
body.menu-open .mobile-menu{opacity:1;visibility:visible}
body.menu-open{overflow:hidden}

/* ============ HERO ============ */
.hero{
  min-height:100svh;display:flex;flex-direction:column;justify-content:center;
  padding:130px 0 60px;position:relative;
}
.hero-inner{
  width:min(1240px,100% - 48px);margin-inline:auto;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.hero-title{
  font-size:clamp(3rem,6.6vw,5.4rem);
  letter-spacing:.01em;margin:10px 0 24px;
}
.pounce-word{
  position:relative;font-style:normal;color:var(--pounce);
  display:inline-block;
  transition:transform .4s var(--spring-big);
}
.pounce-word:hover{transform:rotate(-3deg) scale(1.05)}
.title-paw{
  position:absolute;top:-.34em;right:-.52em;
  width:.5em;height:.5em;color:var(--sun);
  transform:rotate(18deg);
}
.hero-sub{color:var(--ink-60);font-size:clamp(1rem,1.4vw,1.15rem);max-width:34em}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;margin:30px 0 36px}
.hero-mini{display:flex;gap:40px;flex-wrap:wrap}
.hero-mini li{font-size:.88rem;color:var(--ink-60)}
.hero-mini strong{
  display:block;font-family:var(--font-num);font-weight:700;
  font-size:1.55rem;color:var(--ink);line-height:1.15;
}
/* ---------- hero art ---------- */
.hero-art{position:relative;margin-bottom:26px}
.hero-scene{width:100%;height:auto;overflow:visible}
.hero-cat{transform-origin:37% 70%;animation:cat-idle 3.4s ease-in-out infinite;will-change:transform}
@keyframes cat-idle{
  0%,100%{transform:translateY(0) rotate(0deg)}
  35%{transform:translateY(-14px) rotate(-2.5deg)}
  55%{transform:translateY(-10px) rotate(-1deg)}
  75%{transform:translateY(0) rotate(.4deg)}
}
.hero-ball{transform-origin:332px 170px;animation:ball-bounce 3.4s ease-in-out infinite;will-change:transform}
@keyframes ball-bounce{
  0%,100%{transform:translate(0,0)}
  35%{transform:translate(4px,-20px)}
  55%{transform:translate(3px,-14px)}
  75%{transform:translate(0,0) scale(1.06,.92)}
}
.hero-cat .cat-head{transform-origin:290px 252px;animation:head-tilt 5s ease-in-out infinite}
.hero-dog{transform-origin:75% 68%;animation:dog-idle 3.4s ease-in-out infinite .5s;will-change:transform}
@keyframes dog-idle{
  0%,100%{transform:translateY(0) rotate(0deg)}
  35%{transform:translateY(-12px) rotate(1.5deg)}
  55%{transform:translateY(-8px) rotate(.8deg)}
  75%{transform:translateY(0) rotate(-.3deg)}
}
.hero-dog .dog-head{transform-origin:400px 240px;animation:dog-head-tilt 4.5s ease-in-out infinite}
@keyframes dog-head-tilt{0%,100%{transform:rotate(0)}50%{transform:rotate(3deg)}}
.hero-art.excited .hero-dog{animation:dog-run .7s var(--spring-big) 2}
@keyframes dog-run{
  0%{transform:translateY(0) scale(1)}
  30%{transform:translateY(6px) scale(1.04,.92)}
  60%{transform:translateY(-28px) rotate(3deg) scale(.98,1.02)}
  100%{transform:translateY(0) scale(1)}
}
@keyframes head-tilt{0%,100%{transform:rotate(0)}50%{transform:rotate(-4deg)}}
.hero-art.excited .hero-cat{animation:cat-pounce .7s var(--spring-big) 2}
@keyframes cat-pounce{
  0%{transform:translateY(0) scale(1)}
  30%{transform:translateY(8px) scale(1.06,.9)}
  60%{transform:translateY(-34px) rotate(-4deg) scale(.98,1.04)}
  100%{transform:translateY(0) scale(1)}
}
.motion-lines{animation:lines-fade 3.4s ease-in-out infinite}
@keyframes lines-fade{0%,100%{opacity:.1}40%{opacity:.28}}

/* floating chips */
.chip{
  position:absolute;display:flex;align-items:center;gap:10px;
  background:var(--card);border:2px solid var(--ink);border-radius:16px;
  padding:9px 14px 9px 10px;box-shadow:3px 3px 0 rgba(29,24,18,.15);
  font-size:.8rem;line-height:1.35;
  animation:chip-float 5s ease-in-out infinite;
}
.chip svg{width:38px;height:38px;flex:none}
.chip strong{display:block;font-size:.85rem}
.chip span{color:var(--ink-60);font-size:.74rem}
.chip-feeder{top:6%;left:-4%;animation-delay:.4s}
.chip-camera{bottom:-6%;right:-6%;animation-delay:1.2s}
.chip-water{bottom:-6%;left:2%;animation-delay:2s}
@keyframes chip-float{0%,100%{transform:translateY(0) rotate(0)}50%{transform:translateY(-10px) rotate(-1.2deg)}}
.live-dot{
  width:10px;height:10px;border-radius:50%;background:var(--pounce);flex:none;
  box-shadow:0 0 0 0 rgba(255,82,31,.5);animation:live 1.6s infinite;
}
@keyframes live{70%{box-shadow:0 0 0 9px rgba(255,82,31,0)}100%{box-shadow:0 0 0 0 rgba(255,82,31,0)}}

.scroll-hint{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);
  width:34px;height:34px;color:var(--ink-60);
  animation:hint-hop 1.8s ease-in-out infinite;
}
.scroll-hint svg{width:100%;height:100%}
@keyframes hint-hop{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* ============ MARQUEE ============ */
.marquee{
  background:var(--ink);color:var(--paper);
  transform:rotate(-1.2deg) scale(1.02);
  padding:14px 0;overflow:hidden;
  box-shadow:0 6px 20px rgba(29,24,18,.1);
}
.marquee-track{display:flex;width:max-content;animation:marquee 26s linear infinite}
.marquee-group{display:flex;align-items:center;flex:none}
.marquee-group span{
  font-weight:700;font-size:1.02rem;letter-spacing:.06em;padding:0 26px;white-space:nowrap;
}
.marquee-group i{color:var(--sun);font-style:normal;font-size:.9rem}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ============ PRODUCT GRID ============ */
.product-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:28px;
}
.product-card{
  background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);
  overflow:hidden;
  box-shadow:4px 4px 0 rgba(29,24,18,.08);
  transition:transform .35s var(--spring),box-shadow .35s var(--spring);
  transform-style:preserve-3d;
}
.product-card:hover{
  transform:translate(-3px,-6px);
  box-shadow:6px 8px 0 rgba(29,24,18,.12);
}
.product-card .art{
  position:relative;background:var(--tint,#F3ECDC);
  border-bottom:2px solid var(--ink);
  padding:26px 26px 8px;
}
.product-card .art svg{width:100%;height:auto;transition:transform .45s var(--spring-big)}
.product-card:hover .art svg{transform:translateY(-8px) rotate(-2deg) scale(1.04)}
.tag{
  position:absolute;top:14px;left:14px;
  padding:5px 12px;border-radius:999px;border:2px solid var(--ink);
  font-size:.72rem;font-weight:700;letter-spacing:.08em;
  box-shadow:2px 2px 0 var(--ink);
}
.tag-sun{background:var(--sun)}
.tag-sky{background:var(--sky)}
.tag-pounce{background:var(--pounce);color:#fff}
.product-card .info{padding:22px 24px 24px}
.product-card h3{font-size:1.18rem}
.product-card .info>p{color:var(--ink-60);font-size:.9rem;margin:8px 0 18px}
.buy{display:flex;align-items:center;justify-content:space-between;gap:10px}
.price{font-family:var(--font-num);font-weight:700;font-size:1.3rem}

/* ============ SPOTLIGHT ============ */
.spotlight{padding:100px 0;border-top:2px dashed var(--line)}
.spot-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.spot-flip .spot-art{order:2}
.spot-art{position:relative;display:grid;place-items:center}
.spot-blob{
  position:absolute;width:78%;aspect-ratio:1;border-radius:46% 54% 52% 48%/48% 46% 54% 52%;
  background:var(--tint,#FFE0D4);
  animation:blob-morph 9s ease-in-out infinite;
}
@keyframes blob-morph{
  0%,100%{border-radius:46% 54% 52% 48%/48% 46% 54% 52%;transform:rotate(0)}
  50%{border-radius:54% 46% 48% 52%/52% 54% 46% 48%;transform:rotate(6deg)}
}
.spot-art>svg{width:min(420px,86%);height:auto;position:relative;filter:drop-shadow(0 18px 24px rgba(29,24,18,.12))}
.spot-note{
  position:absolute;background:var(--card);border:2px solid var(--ink);border-radius:999px;
  padding:8px 16px;font-size:.82rem;font-weight:700;
  box-shadow:2px 2px 0 var(--ink);
  animation:chip-float 5s ease-in-out infinite;
}
.note-a{top:12%;right:6%}
.note-b{bottom:10%;left:4%;animation-delay:1.4s}
.feature-list{display:flex;flex-direction:column;gap:20px;margin:28px 0 36px}
.feature-list li{
  position:relative;padding-left:40px;color:var(--ink-60);font-size:.98rem;line-height:1.72;
}
.feature-list strong{
  display:block;color:var(--ink);font-size:1.05rem;margin-bottom:2px;
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:4px;width:24px;height:24px;
  background:var(--sun-soft);border:2px solid var(--ink);border-radius:9px;
  -webkit-mask:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cg fill='%231D1812'%3E%3Cellipse cx='50' cy='66' rx='24' ry='19'/%3E%3Cellipse cx='22' cy='42' rx='10' ry='13' transform='rotate(-18 22 42)'/%3E%3Cellipse cx='41' cy='30' rx='10' ry='13'/%3E%3Cellipse cx='60' cy='30' rx='10' ry='13'/%3E%3Cellipse cx='78' cy='43' rx='10' ry='13' transform='rotate(18 78 43)'/%3E%3C/g%3E%3C/svg%3E");
  background-size:14px;background-repeat:no-repeat;background-position:center;
}
.spot-buy{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.price-lg{font-family:var(--font-num);font-weight:700;font-size:2rem}
/* ============ TECH (dark) ============ */
.tech{
  background:var(--dark);color:var(--paper);
  padding:100px 0;
  border-radius:32px 32px 0 0;
  margin-top:20px;
  position:relative;overflow:hidden;
  clip-path:inset(0 0 0 0 round 32px 32px 0 0);
}
.tech::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(250,245,235,.06) 1px,transparent 1.4px);
  background-size:26px 26px;pointer-events:none;
}
.tech .section-sub{color:rgba(250,245,235,.55)}
.tech h2{color:#fff}
.tech-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:60px;
}
.tech-card{
  background:var(--dark-card);border:1.5px solid var(--dark-line);border-radius:20px;
  padding:26px 22px;
  transition:transform .35s var(--spring),border-color .3s,background-color .3s;
}
.tech-card:hover{transform:translateY(-8px);border-color:var(--pounce);background:#282119}
.tech-icon{width:42px;height:42px;color:var(--sun);margin-bottom:18px}
.tech-card h3{color:#fff;font-size:1.12rem;margin-bottom:8px}
.tech-card p{color:rgba(250,245,235,.55);font-size:.9rem}

.tech-chart{
  display:grid;grid-template-columns:1fr 1.1fr;gap:50px;align-items:center;
  background:var(--dark-card);border:1.5px solid var(--dark-line);border-radius:28px;
  padding:40px;
}
.chart-copy h3{color:#fff;font-size:1.5rem;margin-bottom:14px}
.chart-copy p{color:rgba(250,245,235,.55)}
.chart-card{
  background:#2B241C;border:1.5px solid var(--dark-line);border-radius:22px;padding:26px;
}
.chart-title{
  color:rgba(250,245,235,.75);font-weight:700;font-size:.95rem;margin-bottom:20px;
  display:flex;justify-content:space-between;align-items:baseline;
}
.chart-title span{font-size:.72rem;font-weight:400;color:rgba(250,245,235,.4)}
.bars{display:flex;align-items:flex-end;gap:10px;height:150px}
.bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:8px;height:100%}
.bar i{
  width:100%;margin-top:auto;height:var(--h);
  background:var(--sky);border-radius:8px 8px 3px 3px;
  transform-origin:bottom;transform:scaleY(0);
  transition:transform .9s var(--spring-big);
}
.bar span{font-size:.75rem;color:rgba(250,245,235,.5)}
.bar-hot i{background:var(--pounce)}
.bars.in .bar i{transform:scaleY(1)}
.bars.in .bar:nth-child(1) i{transition-delay:.02s}
.bars.in .bar:nth-child(2) i{transition-delay:.08s}
.bars.in .bar:nth-child(3) i{transition-delay:.14s}
.bars.in .bar:nth-child(4) i{transition-delay:.2s}
.bars.in .bar:nth-child(5) i{transition-delay:.26s}
.bars.in .bar:nth-child(6) i{transition-delay:.32s}
.bars.in .bar:nth-child(7) i{transition-delay:.38s}
.chart-foot{
  margin-top:18px;padding-top:14px;border-top:1px dashed var(--dark-line);
  color:rgba(250,245,235,.6);font-size:.85rem;display:flex;align-items:center;gap:9px;
}
.ok-dot{width:9px;height:9px;border-radius:50%;background:#7BC47F;flex:none}

/* ============ APP ============ */
.appsec{padding:100px 0;background:var(--paper-deep);border-radius:0 0 32px 32px}
.app-inner{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.store-badges{display:flex;gap:14px;flex-wrap:wrap;margin-top:8px}
.badge{
  display:inline-flex;align-items:center;gap:11px;
  background:var(--ink);color:var(--paper);
  border:2px solid var(--ink);border-radius:16px;
  padding:10px 18px;box-shadow:2px 2px 0 rgba(29,24,18,.15);
  transition:transform .25s var(--spring),box-shadow .25s var(--spring);
}
.badge:hover{transform:translate(-2px,-3px);box-shadow:4px 4px 0 rgba(29,24,18,.2)}
.badge svg{width:26px;height:26px;flex:none}
.badge span{display:flex;flex-direction:column;font-size:.68rem;line-height:1.3;opacity:.75}
.badge em{font-style:normal;font-size:.95rem;font-weight:700;opacity:1}

.phone-wrap{position:relative;display:grid;place-items:center}
.phone{
  width:min(320px,82vw);border:3px solid var(--ink);border-radius:44px;
  background:var(--ink);padding:12px;
  box-shadow:8px 10px 0 rgba(29,24,18,.12);
  transform:rotate(2.5deg);
  transition:transform .5s var(--spring-big);
}
.phone-wrap:hover .phone{transform:rotate(0)}
.phone-notch{
  width:110px;height:22px;background:var(--ink);border-radius:0 0 14px 14px;
  margin:0 auto -8px;position:relative;z-index:2;
}
.phone-screen{
  background:var(--paper);border-radius:32px;overflow:hidden;
  padding:26px 16px 20px;display:flex;flex-direction:column;gap:12px;
  font-size:.8rem;
}
.ps-head{display:flex;align-items:center;justify-content:space-between}
.ps-hello{font-size:.72rem;color:var(--ink-60)}
.ps-head h4{font-size:1.05rem;font-weight:900}
.ps-avatar{
  width:36px;height:36px;border-radius:50%;background:var(--sun);
  border:2px solid var(--ink);display:grid;place-items:center;font-weight:900;font-size:.9rem;
}
.ps-cam{
  position:relative;background:var(--sun-soft);border:2px solid var(--ink);border-radius:18px;
  padding:14px;text-align:center;
}
.ps-cam svg{width:88px;height:88px;margin:0 auto}
.ps-cam p{font-weight:700;font-size:.78rem;margin-top:4px}
.ps-live{
  position:absolute;top:10px;left:10px;
  background:var(--pounce);color:#fff;font-family:var(--font-num);
  font-size:.62rem;font-weight:700;letter-spacing:.1em;
  padding:3px 8px;border-radius:999px;border:1.5px solid var(--ink);
}
.ps-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.ps-device{
  background:var(--card);border:2px solid var(--ink);border-radius:16px;padding:10px;text-align:center;
}
.ps-device svg{width:56px;height:56px;margin:0 auto 4px}
.ps-device p{font-weight:700;font-size:.78rem}
.ps-device span{font-size:.66rem;color:var(--ink-60)}
.ps-report{background:var(--card);border:2px solid var(--ink);border-radius:16px;padding:12px 14px}
.ps-report>p{font-size:.72rem;color:var(--ink-60);font-weight:700}
.ps-score{display:flex;align-items:baseline;gap:10px;margin:2px 0 8px}
.ps-score strong{font-family:var(--font-num);font-size:1.8rem;color:var(--pounce)}
.ps-score span{font-size:.7rem;color:var(--ink-60)}
.ps-bar{height:9px;background:var(--paper-deep);border-radius:99px;overflow:hidden;border:1.5px solid var(--ink)}
.ps-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--sun),var(--pounce));border-radius:99px}
.phone-paw{position:absolute;width:44px;height:44px;color:var(--sun)}
.paw-a{top:8%;right:16%;transform:rotate(20deg);animation:chip-float 4.6s ease-in-out infinite}
.paw-b{bottom:6%;left:10%;transform:rotate(-24deg);color:var(--pounce);opacity:.85;animation:chip-float 5.4s ease-in-out infinite 1s}
.phone-paw svg{width:100%;height:100%}

/* ============ STORY ============ */
.story{padding:80px 0}
.story-card{
  background:var(--card);border:2px solid var(--ink);border-radius:28px;
  padding:clamp(36px,6vw,80px);
  box-shadow:6px 6px 0 rgba(29,24,18,.12);
  position:relative;overflow:hidden;
}
.story-card::after{
  content:"";position:absolute;right:-70px;top:-70px;width:260px;height:260px;
  border-radius:50%;background:var(--sun-soft);z-index:0;
}
.story-card>*{position:relative;z-index:1}
.story-text{color:var(--ink-60);font-size:1.06rem;max-width:42em;margin-top:24px;line-height:1.85}
.story-text em{font-style:normal;color:var(--pounce);font-weight:700}
.story-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  margin-top:40px;padding-top:32px;border-top:2px dashed var(--line);
}
.stat strong{
  display:block;font-family:var(--font-num);font-weight:700;
  font-size:clamp(1.9rem,3.4vw,2.8rem);color:var(--pounce);line-height:1.1;
}
.stat span{font-size:.88rem;color:var(--ink-60)}

/* ============ VOICES ============ */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voice-card{
  background:var(--card);border:2px solid var(--ink);border-radius:var(--radius);
  padding:30px 28px;box-shadow:4px 4px 0 rgba(29,24,18,.08);
  display:flex;flex-direction:column;gap:18px;
  transition:transform .35s var(--spring),box-shadow .35s var(--spring);
}
.voice-card:hover{transform:translateY(-6px) rotate(-.6deg);box-shadow:6px 8px 0 rgba(29,24,18,.12)}
.voice-card:nth-child(2):hover{transform:translateY(-6px) rotate(.6deg)}
.paws{display:flex;gap:5px}
.paws svg{width:17px;height:17px;color:var(--pounce)}
.voice-card blockquote{font-size:1.02rem;line-height:1.8;font-weight:500}
.voice-card figcaption{margin-top:auto;display:flex;flex-direction:column}
.voice-card figcaption strong{font-size:.95rem}
.voice-card figcaption span{font-size:.8rem;color:var(--ink-60)}

/* ============ SERVICE ============ */

/* ---- How It Works ---- */
.hiw{padding:80px 0}
.hiw-grid{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:24px;align-items:center}
.hiw-step{text-align:center;max-width:240px;margin:0 auto}
.hiw-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:50%;
  background:var(--pounce);color:#fff;font-size:.85rem;font-weight:700;
  margin-bottom:20px;letter-spacing:.05em;
}
.hiw-icon{width:56px;height:56px;color:var(--ink);margin-bottom:16px;opacity:.75}
.hiw-step h3{font-size:1.1rem;font-weight:700;margin-bottom:10px;letter-spacing:-.01em}
.hiw-step p{font-size:.92rem;color:rgba(29,24,18,.65);line-height:1.7}
.hiw-arrow svg{width:36px;height:22px;color:rgba(29,24,18,.25)}

/* ---- Values ---- */
.values{background:var(--ink);color:var(--paper);padding:80px 0;position:relative;overflow:hidden}
.values::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse 60% 50% at 80% 20%,rgba(255,82,31,.12),transparent);
}
.values-inner{position:relative}
.values h2{font-size:clamp(1.8rem,4vw,2.8rem);font-weight:900;line-height:1.15;margin:16px 0 48px;letter-spacing:-.02em}
.values-grid{display:grid;grid-template-columns:1.1fr 1fr 1.2fr;gap:24px}
.value-item{padding:28px;border:1px solid rgba(250,245,235,.12);border-radius:16px;background:rgba(250,245,235,.03);transition:border-color .3s,background .3s}
.value-item:hover{border-color:rgba(255,82,31,.3);background:rgba(255,82,31,.04)}
.value-item strong{display:block;font-size:1.05rem;font-weight:700;margin-bottom:12px;color:var(--sun)}
.value-item p{font-size:.92rem;line-height:1.85;color:rgba(250,245,235,.7)}

/* ---- FAQ ---- */
.faq{padding:80px 0;background:var(--paper)}
.faq-list{max-width:720px;margin:0 auto;display:flex;flex-direction:column;gap:10px}
.faq-item{
  background:#fff;border-radius:14px;border:1px solid rgba(29,24,18,.08);
  overflow:hidden;transition:box-shadow .25s,border-color .25s;
}
.faq-item:hover{box-shadow:0 4px 20px rgba(29,24,18,.06);border-color:rgba(29,24,18,.15)}
.faq-item summary{
  padding:18px 22px;font-size:.98rem;font-weight:600;cursor:pointer;
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  transition:color .2s;
}
.faq-item summary:hover{color:var(--pounce)}
.faq-item summary::after{
  content:"+";font-size:1.3rem;font-weight:300;color:rgba(29,24,18,.35);
  flex-shrink:0;transition:transform .3s;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 18px;font-size:.92rem;line-height:1.8;color:rgba(29,24,18,.65)}

/* ---- Responsive ---- */
@media(max-width:960px){
  .hiw-grid{grid-template-columns:1fr;gap:36px}
  .hiw-arrow{display:none}
  .values-grid{grid-template-columns:1fr;gap:20px}
  .faq{padding:70px 0}
}

.service{border-top:2px dashed var(--line);padding:48px 0}
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.service-item strong{
  display:block;font-family:var(--font-num);font-weight:700;font-size:1.7rem;
}
.service-item span{color:var(--ink-60);font-size:.9rem}

/* ============ FINAL CTA ============ */
.final-cta{
  background:var(--pounce);color:#fff;
  padding:100px 0;text-align:center;position:relative;overflow:hidden;
}
.final-cta h2{color:#fff;font-size:clamp(2rem,5vw,3.6rem);margin-bottom:36px}
.cta-sub{color:rgba(255,255,255,.85);font-size:1.08rem;margin:-16px 0 32px;letter-spacing:.02em}
.final-cta .btn-sun{border-color:var(--ink);box-shadow:6px 6px 0 var(--ink);font-size:1.08rem;padding:18px 38px}
.cta-paws{position:absolute;inset:0;pointer-events:none}
.cta-paws svg{position:absolute;color:rgba(255,255,255,.16)}
.cta-paws svg:nth-child(1){width:90px;left:8%;top:20%;transform:rotate(-20deg)}
.cta-paws svg:nth-child(2){width:56px;right:12%;top:30%;transform:rotate(14deg)}
.cta-paws svg:nth-child(3){width:70px;right:24%;bottom:12%;transform:rotate(-8deg)}

/* ============ FOOTER ============ */
.footer{background:var(--ink);color:var(--paper);padding:80px 0 0}
.footer-inner{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr 1fr;gap:36px;padding-bottom:50px;
}
.footer .brand-logo{filter:invert(1);height:26px}
.footer-brand{text-align:center}
.footer-brand p{color:rgba(250,245,235,.5);margin-top:14px;font-size:.92rem;line-height:1.6}
.footer-social{display:flex;gap:12px;margin-top:18px;justify-content:center}
.footer-social a{
  width:36px;height:36px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  color:rgba(250,245,235,.5);transition:color .2s,background .2s,transform .2s;
  background:rgba(250,245,235,.06);
}
.footer-social a:hover{color:var(--sun);background:rgba(250,245,235,.12);transform:translateY(-2px)}
.footer-social svg,.footer-social img{width:18px;height:18px;display:block}

.footer-social a.wx-icon{background:#07C160;color:#fff;padding:0}
.footer-social a.wx-icon:hover{background:#06ad54;color:#fff}
.footer-social a.wx-icon svg{fill:#fff}
.footer-social a.wb-icon{background:#E6162D;color:#fff;padding:0}
.footer-social a.wb-icon:hover{background:#cf1428;color:#fff}
.footer-social a.wb-icon svg{fill:#fff}
.footer-social a.dy-icon{background:#010101;color:#fff;padding:0}
.footer-social a.dy-icon:hover{background:#222;color:#fff}
.footer-social a.dy-icon svg{fill:#fff}
.footer-social a.xhs-icon{background:#FE2C55;color:#fff;padding:0}
.footer-social a.xhs-icon:hover{background:#e6274d;color:#fff}
.xhs-icon-bg{display:flex;width:100%;height:100%;align-items:center;justify-content:center}
.xhs-icon-bg svg{width:18px;height:18px;fill:#fff;display:block}


.footer-col h4{font-size:.85rem;letter-spacing:.14em;color:rgba(250,245,235,.45);margin-bottom:16px;font-weight:700}
.footer-col a{display:block;padding:6px 0;color:rgba(250,245,235,.78);font-size:.94rem;transition:color .2s,transform .25s var(--spring)}
.footer-col a:hover{color:var(--sun);transform:translateX(4px)}
.footer-col a[href="#"]{opacity:.4;pointer-events:none;cursor:default}
.footer-base{border-top:1px solid rgba(250,245,235,.08)}
.footer-base-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:24px 0}
.footer-links{display:flex;gap:20px}
.footer-links a{color:rgba(250,245,235,.4);font-size:.85rem;transition:color .2s}
.footer-links a:hover{color:var(--sun)}
.footer-note{color:rgba(250,245,235,.25);font-size:.8rem}
.footer-base{
  border-top:1px solid rgba(250,245,235,.12);
  padding:22px 0;text-align:center;
  color:rgba(250,245,235,.4);font-size:.8rem;
}

/* ============ TOAST ============ */
.toast{display:flex;align-items:center;gap:10px;
  position:fixed;bottom:28px;left:50%;z-index:200;
  transform:translate(-50%,90px);
  background:var(--ink);color:var(--paper);
  border:2px solid var(--paper);border-radius:999px;
  padding:13px 26px;font-weight:700;font-size:.94rem;
  box-shadow:0 14px 34px rgba(29,24,18,.3);
  transition:transform .45s var(--spring-big);
  pointer-events:none;white-space:nowrap;
}
.toast.show{transform:translate(-50%,0)}
.toast svg{flex:none}

/* ============ PAW TRAIL ============ */
.paw-trail{position:fixed;inset:0;pointer-events:none;z-index:150}
.paw-trail svg{
  position:absolute;width:22px;height:22px;color:var(--pounce);
  animation:paw-fade .9s ease-out forwards;will-change:transform,opacity;
}
@keyframes paw-fade{
  0%{opacity:0;transform:scale(.4) rotate(var(--r,0deg))}
  25%{opacity:.75}
  100%{opacity:0;transform:scale(1) rotate(var(--r,0deg)) translateY(-6px)}
}

/* ============ REVEAL ============ */
.reveal{opacity:0;transform:translateY(34px) scale(.98);will-change:opacity,transform}
.reveal.in{
  opacity:1;transform:none;
  transition:opacity .7s ease,transform .8s var(--spring-big);
  transition-delay:calc(var(--i,0)*.09s);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1020px){
  .hero-inner{grid-template-columns:1fr;gap:56px}
  .hero{padding-top:120px}
  .hero-art{max-width:560px;margin-inline:auto;width:100%}
  .product-grid{grid-template-columns:repeat(2,1fr)}
  .tech-grid{grid-template-columns:repeat(2,1fr)}
  .tech-chart{grid-template-columns:1fr;gap:34px;padding:34px}
  .spot-inner{grid-template-columns:1fr;gap:44px}
  .spot-flip .spot-art{order:0}
  .app-inner{grid-template-columns:1fr;gap:56px}
  .voice-grid{grid-template-columns:1fr;max-width:560px;margin-inline:auto}
  .story-stats{grid-template-columns:repeat(2,1fr);gap:28px}
  .footer-inner{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:720px){
  .section{padding:76px 0}
  .nav-links{display:none}
  .nav-right .btn-sm{display:none}
  .menu-btn{display:flex}
  .product-grid{grid-template-columns:1fr}
  .hero-mini{gap:22px}
  .chip-feeder{left:0}
  .chip-camera{right:0}
  .service-grid{grid-template-columns:repeat(2,1fr);gap:26px}
  .tech{border-radius:28px 28px 0 0}
  .appsec{border-radius:0 0 28px 28px}
  .marquee{transform:rotate(0) scale(1)}
  .footer-inner{grid-template-columns:1fr;gap:28px}
  .story-card{box-shadow:6px 6px 0 rgba(29,24,18,.12)}
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
  .reveal{opacity:1;transform:none}
  .marquee-track{animation:none}
}
@media(max-width:960px){
  .footer-inner{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
  .footer-base-inner{flex-direction:column;align-items:flex-start;gap:8px}
}
@media(max-width:520px){
  .footer-inner{grid-template-columns:1fr}
}

/* ===== Language Switcher ===== */
.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border: 1.5px solid var(--paper);
  border-radius: 20px;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-cn);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all .25s;
  letter-spacing: .02em;
  white-space: nowrap;
}
.lang-btn:hover { background: var(--paper); color: var(--bg); }
.lang-btn .lang-sep { margin: 0 2px; opacity: .4; }
.lang-btn .lang-active { color: var(--pounce); font-weight: 700; }
.nav-right { align-items: center; }

/* ===== Performance ===== */
.section{content-visibility:auto;contain-intrinsic-size:auto 600px}
@media(prefers-reduced-motion:reduce){.section{content-visibility:visible;contain-intrinsic-size:none}}