/* ===== Stack & Sizzle 官网 · 卡通餐厅风 ===== */
:root{
  --cream:#fff3d6;
  --cream-deep:#ffe9b9;
  --paper:#fffaf0;
  --ink:#3a2926;
  --teal:#378f87;
  --teal-dark:#266a66;
  --red:#d85b4b;
  --red-dark:#b8432f;
  --mustard:#e9aa3d;
  --green:#6b9c55;
  --border:3px solid var(--ink);
  --shadow:6px 6px 0 var(--ink);
  --shadow-sm:4px 4px 0 var(--ink);
  --radius:18px;
  --font-display:"Fredoka","Nunito",system-ui,sans-serif;
  --font-body:"Nunito","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--cream);
  color:var(--ink);
  font-size:17px;
  line-height:1.7;
  overflow-x:hidden;
}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

/* ---------- 头部 ---------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  transition:background .3s,box-shadow .3s;
}
.site-header.scrolled{
  background:var(--cream);
  box-shadow:0 3px 0 var(--ink);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:10px}
.brand-mark{width:38px;height:38px;flex:none}
.brand-text{
  font-family:var(--font-display);
  font-weight:700;font-size:1.35rem;letter-spacing:.5px;line-height:1;
}
.brand-text em{font-style:normal;color:var(--red);margin:0 2px}
.site-nav{display:flex;align-items:center;gap:26px}
.site-nav a{font-weight:800;font-size:.95rem;position:relative}
.site-nav a:not(.nav-cta)::after{
  content:"";position:absolute;left:0;bottom:-6px;width:0;height:3px;
  background:var(--red);border-radius:2px;transition:width .25s;
}
.site-nav a:not(.nav-cta):hover::after{width:100%}
.nav-cta{
  background:var(--red);color:#fff;border:var(--border);border-radius:12px;
  padding:8px 18px;box-shadow:var(--shadow-sm);
  transition:transform .15s,box-shadow .15s;
}
.nav-cta:hover{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--ink)}
.nav-toggle{display:none}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100svh;
  display:flex;flex-direction:column;justify-content:center;
  overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center 30%;
  transform:scale(1.03);
}
.hero-warm{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(255,243,214,.62) 0%,rgba(255,243,214,.28) 40%,rgba(255,233,185,.72) 100%);
}
.hero-inner{position:relative;z-index:2;text-align:center;padding-top:110px;padding-bottom:120px}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--paper);border:var(--border);border-radius:999px;
  padding:7px 18px;font-weight:900;font-size:.82rem;letter-spacing:2px;
  box-shadow:var(--shadow-sm);
}
.dot-live{width:10px;height:10px;border-radius:50%;background:var(--green);border:2px solid var(--ink);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.35)}}
.hero-title{
  font-family:var(--font-display);
  font-weight:700;
  margin:26px 0 8px;
  line-height:.95;
  user-select:none;
}
.t-line{display:block;font-size:clamp(3.4rem,11vw,7.6rem);letter-spacing:.02em}
.t1{color:var(--ink);text-shadow:5px 5px 0 rgba(58,41,38,.12)}
.t2{
  color:var(--red);
  -webkit-text-stroke:2.5px var(--ink);
  paint-order:stroke fill;
  text-shadow:6px 6px 0 var(--ink);
}
.t-amp{
  display:inline-flex;align-items:center;justify-content:center;
  width:clamp(56px,6.5vw,80px);height:clamp(56px,6.5vw,80px);
  font-size:clamp(1.9rem,4.6vw,2.9rem);line-height:1;
  color:var(--ink);background:var(--mustard);
  border:3px solid var(--ink);border-radius:50%;
  box-shadow:4px 4px 0 rgba(58,41,38,.28);
  margin:12px 0 8px;
  transform:rotate(-8deg);
}
.hero-sub{
  font-weight:800;font-size:clamp(1rem,2.2vw,1.2rem);
  margin:18px auto 30px;max-width:560px;
}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--font-display);font-weight:600;font-size:1.05rem;
  border:var(--border);border-radius:14px;padding:14px 30px;
  box-shadow:var(--shadow);cursor:pointer;
  transition:transform .15s,box-shadow .15s;
}
.btn:hover{transform:translate(3px,3px);box-shadow:3px 3px 0 var(--ink)}
.btn:active{transform:translate(6px,6px);box-shadow:0 0 0 var(--ink)}
.btn-primary{background:var(--red);color:#fff}
.btn-ghost{background:var(--paper)}
.btn-arrow{transition:transform .2s}
.btn:hover .btn-arrow{transform:translateX(4px)}
.btn-big{font-size:1.25rem;padding:18px 42px}
.hero-hint{margin-top:20px;font-size:.85rem;font-weight:700;opacity:.72}
.hero-ticker{
  position:absolute;left:0;right:0;bottom:0;z-index:3;
  background:var(--ink);color:var(--cream);
  overflow:hidden;padding:12px 0;
  border-top:3px solid var(--ink);
}
.ticker-track{
  display:flex;gap:28px;white-space:nowrap;
  font-family:var(--font-display);font-weight:600;letter-spacing:3px;font-size:.95rem;
  animation:ticker 22s linear infinite;width:max-content;
}
.ticker-track i{color:var(--mustard);font-style:normal}
@keyframes ticker{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- 数据条 ---------- */
.stats{background:var(--teal);border-bottom:3px solid var(--ink)}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  padding-top:34px;padding-bottom:34px;gap:20px;
}
.stat{text-align:center;color:#fff}
.stat-num{
  display:block;font-family:var(--font-display);font-weight:700;
  font-size:clamp(2.2rem,4.5vw,3.2rem);line-height:1;
  text-shadow:3px 3px 0 var(--teal-dark);
}
.stat-label{font-weight:800;font-size:.92rem;opacity:.92}

/* ---------- 区块通用 ---------- */
.section{padding:96px 0}
.section-head{text-align:center;max-width:640px;margin:0 auto 56px}
.kicker{
  font-family:var(--font-display);font-weight:600;font-size:.85rem;
  letter-spacing:4px;color:var(--red);margin-bottom:10px;
}
.section-head h2{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(1.9rem,4.5vw,2.8rem);line-height:1.2;
}
.section-sub{margin-top:12px;font-weight:700;opacity:.75}

/* ---------- 特色卡片 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.feature-card{
  background:var(--paper);border:var(--border);border-radius:var(--radius);
  padding:34px 30px;box-shadow:var(--shadow);
  transition:transform .2s,box-shadow .2s;
}
.feature-card:hover{transform:translate(-3px,-3px);box-shadow:9px 9px 0 var(--ink)}
.feature-icon{
  width:58px;height:58px;border:var(--border);border-radius:16px;
  display:grid;place-items:center;margin-bottom:20px;
  box-shadow:var(--shadow-sm);
}
.feature-icon svg{width:30px;height:30px}
.icon-flame{background:var(--red);color:#fff}
.icon-stack{background:var(--mustard);color:var(--ink)}
.icon-coin{background:var(--teal);color:#fff}
.icon-drop{background:var(--cream-deep);color:var(--red)}
.feature-card h3{font-family:var(--font-display);font-weight:600;font-size:1.35rem;margin-bottom:10px}
.feature-card p{opacity:.82;font-weight:600}

/* ---------- 菜单 ---------- */
.menu-section{background:var(--teal);border-top:3px solid var(--ink);border-bottom:3px solid var(--ink)}
.menu-section .kicker{color:var(--mustard)}
.menu-section .section-head h2,.menu-section .section-sub{color:#fff}
.menu-board{
  background:var(--paper);border:var(--border);border-radius:22px;
  box-shadow:8px 8px 0 var(--ink);
  padding:38px 42px;max-width:820px;margin:0 auto;
}
.menu-item{padding:16px 0}
.menu-item+.menu-item{border-top:2px dashed rgba(58,41,38,.25)}
.menu-item-head{display:flex;align-items:baseline;gap:12px}
.menu-no{font-family:var(--font-display);font-weight:600;color:var(--red);font-size:.95rem}
.menu-name{font-family:var(--font-display);font-weight:600;font-size:1.2rem}
.menu-name em{font-style:normal;font-size:.85rem;color:rgba(58,41,38,.6);margin-left:8px}
.menu-dots{flex:1;border-bottom:3px dotted rgba(58,41,38,.35);transform:translateY(-5px)}
.menu-price{font-family:var(--font-display);font-weight:700;font-size:1.25rem;color:var(--teal-dark)}
.menu-layers{font-size:.9rem;font-weight:700;opacity:.65;margin-top:2px;padding-left:38px}

/* ---------- 画廊 ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.g-item{
  position:relative;border:var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);cursor:zoom-in;
  background:var(--paper);
  transition:transform .2s,box-shadow .2s;
}
.g-item:hover{transform:translate(-3px,-3px);box-shadow:9px 9px 0 var(--ink)}
.g-item img{aspect-ratio:16/9;object-fit:cover;width:100%}
.g-item figcaption{
  position:absolute;left:14px;bottom:14px;
  background:var(--paper);border:2px solid var(--ink);border-radius:10px;
  padding:5px 14px;font-weight:900;font-size:.85rem;
}
.lightbox{
  position:fixed;inset:0;z-index:200;background:rgba(43,29,26,.9);
  display:none;align-items:center;justify-content:center;padding:4vmin;
}
.lightbox.open{display:flex}
.lightbox img{max-width:100%;max-height:100%;border:var(--border);border-radius:14px;box-shadow:10px 10px 0 rgba(0,0,0,.35)}
.lightbox-close{
  position:absolute;top:22px;right:26px;
  width:52px;height:52px;border:var(--border);border-radius:50%;
  background:var(--red);color:#fff;font-size:1.7rem;font-weight:900;
  cursor:pointer;box-shadow:var(--shadow-sm);
}

/* ---------- 玩法 ---------- */
.guide-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.steps{display:flex;flex-direction:column;gap:22px}
.step{
  display:flex;gap:20px;background:var(--paper);
  border:var(--border);border-radius:var(--radius);
  padding:24px 26px;box-shadow:var(--shadow-sm);
}
.step-no{
  flex:none;width:46px;height:46px;border:var(--border);border-radius:50%;
  background:var(--mustard);display:grid;place-items:center;
  font-family:var(--font-display);font-weight:700;font-size:1.25rem;
}
.step h3{font-family:var(--font-display);font-weight:600;font-size:1.15rem;margin-bottom:4px}
.step p{font-size:.95rem;font-weight:600;opacity:.8}
.keys{
  background:var(--ink);color:var(--cream);
  border:var(--border);border-radius:var(--radius);
  padding:30px 30px;box-shadow:6px 6px 0 var(--red);
}
.keys-title{font-family:var(--font-display);font-weight:600;font-size:1.1rem;color:var(--mustard);margin-bottom:14px}
.key-list{list-style:none;display:flex;flex-direction:column;gap:14px;margin-bottom:24px}
.key-list li{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.key-list em{font-style:normal;font-size:.88rem;font-weight:700;opacity:.85;margin-left:4px}
.kbd{
  display:inline-grid;place-items:center;min-width:38px;height:38px;padding:0 10px;
  background:var(--cream);color:var(--ink);
  border:2.5px solid var(--cream);border-radius:9px;
  font-family:var(--font-display);font-weight:700;font-size:.95rem;
  box-shadow:0 3px 0 rgba(255,243,214,.4);
}
.touch-note{font-size:.92rem;font-weight:700;opacity:.85}

/* ---------- 收尾 CTA ---------- */
.cta-final{
  background:var(--red);border-top:3px solid var(--ink);
  padding:96px 0;text-align:center;color:#fff;
}
.cta-inner .kicker{color:var(--mustard)}
.cta-inner h2{font-family:var(--font-display);font-weight:700;font-size:clamp(2.2rem,6vw,3.6rem);text-shadow:4px 4px 0 var(--red-dark)}
.cta-inner p{margin:14px 0 32px;font-weight:800;font-size:1.1rem}
.cta-final .btn-primary{background:var(--paper);color:var(--ink)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:var(--cream);padding:56px 0 0}
.footer-inner{display:flex;justify-content:space-between;gap:32px;flex-wrap:wrap;padding-bottom:36px}
.footer-brand strong{font-family:var(--font-display);font-weight:700;font-size:1.4rem}
.footer-brand em{font-style:normal;color:var(--red);margin:0 2px}
.footer-brand p{margin-top:8px;font-size:.9rem;font-weight:700;opacity:.7}
.footer-links{display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.footer-links a{font-weight:800;font-size:.92rem;opacity:.85;transition:color .2s,opacity .2s}
.footer-links a:hover{color:var(--mustard);opacity:1}
.footer-note{
  border-top:1px solid rgba(255,243,214,.18);
  padding-top:20px;padding-bottom:20px;
  font-size:.8rem;font-weight:700;opacity:.55;
}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .ticker-track{animation:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:860px){
  .feature-grid,.gallery-grid,.guide-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .menu-board{padding:26px 22px}
  .site-nav{
    position:fixed;top:72px;right:0;left:0;
    background:var(--cream);border-bottom:3px solid var(--ink);
    flex-direction:column;align-items:stretch;gap:0;
    padding:10px 24px 20px;
    transform:translateY(-130%);transition:transform .3s;
  }
  .site-nav.open{transform:none}
  .site-nav a{padding:13px 0;border-bottom:1px solid rgba(58,41,38,.12)}
  .nav-cta{text-align:center;margin-top:12px}
  .nav-toggle{
    display:flex;flex-direction:column;gap:5px;
    background:var(--paper);border:var(--border);border-radius:10px;
    padding:11px 10px;cursor:pointer;box-shadow:var(--shadow-sm);
  }
  .nav-toggle span{width:22px;height:3px;background:var(--ink);border-radius:2px;transition:.25s}
  .nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
  .nav-toggle.open span:nth-child(2){opacity:0}
  .nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
  .section{padding:70px 0}
  .hero-inner{padding-bottom:140px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{justify-content:center;width:100%}
  .t-amp{font-size:clamp(1.9rem,8vw,2.6rem)}
}