:root {
  --ink: #1f2a24;
  --ink-soft: #5d6b63;
  --mint: #3cb89a;
  --mint-deep: #2e9a80;
  --butter: #f2c14e;
  --butter-deep: #ddaa2f;
  --shop: #f5faf7;
  --mist: #e3efe9;
  --line: rgba(31, 42, 36, 0.12);
  --white: #ffffff;
  --shadow: 0 16px 40px rgba(31, 42, 36, 0.1);
  --font-display: "ZCOOL KuaiLe", "Microsoft YaHei", sans-serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --nav-h: 68px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(60, 184, 154, 0.14), transparent 55%),
    radial-gradient(700px 360px at 90% 0%, rgba(242, 193, 78, 0.14), transparent 50%),
    linear-gradient(180deg, #f8fcfa 0%, var(--shop) 50%, #eaf4ef 100%);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: 0; background: none; cursor: pointer; }

.container {
  width: min(1100px, calc(100% - 2.4rem));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 1000;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: var(--white);
  border-radius: 12px;
}
.skip-link:focus { top: 1rem; }

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: var(--nav-h);
  color: rgba(255,255,255,0.95);
  transition: 0.35s var(--ease);
}
.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(245, 250, 247, 0.94);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line);
}

.nav {
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
}
.brand-bite {
  width: 1.1rem;
  height: 1.1rem;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--butter), var(--mint));
}

.nav-links {
  display: flex;
  gap: 1.3rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 0.94rem;
  opacity: 0.9;
}
.nav-links a:hover { opacity: 1; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255,255,255,0.35);
  border-radius: 14px;
  color: inherit;
}
.site-header.is-scrolled .nav-toggle {
  border-color: var(--line);
  background: rgba(255,255,255,0.75);
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  display: block;
  width: 17px;
  height: 1.5px;
  background: currentColor;
  position: relative;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
}
.nav-toggle span::before { top: -5px; }
.nav-toggle span::after { top: 5px; }

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
}
.hero-media { position: absolute; inset: 0; }
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  animation: drift 18s var(--ease) infinite alternate;
}
.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(20, 40, 32, 0.28) 0%, rgba(20, 40, 32, 0.2) 40%, rgba(20, 40, 32, 0.78) 100%),
    linear-gradient(90deg, rgba(20, 40, 32, 0.45), transparent 58%);
}
.hero-content {
  position: relative;
  z-index: 1;
  width: min(1100px, calc(100% - 2.4rem));
  margin: 0 auto;
  padding: calc(var(--nav-h) + 3rem) 0 4rem;
}
.soft-tag {
  display: inline-flex;
  margin: 0 0 0.85rem;
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.16);
  border: 1px solid rgba(255,255,255,0.28);
  font-size: 0.84rem;
  opacity: 0;
  transform: translateY(16px);
  animation: rise 0.8s var(--ease) 0.08s forwards;
}
.hero-brand {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 7vw, 4.6rem);
  line-height: 1.08;
  opacity: 0;
  transform: translateY(16px);
  animation: rise 0.8s var(--ease) 0.2s forwards;
}
.hero-title {
  margin: 0 0 0.8rem;
  max-width: 16em;
  font-size: clamp(1.15rem, 2.6vw, 1.6rem);
  font-weight: 600;
  opacity: 0;
  transform: translateY(16px);
  animation: rise 0.8s var(--ease) 0.34s forwards;
}
.hero-desc {
  margin: 0 0 1.4rem;
  max-width: 34em;
  color: rgba(255,255,255,0.9);
  opacity: 0;
  transform: translateY(16px);
  animation: rise 0.8s var(--ease) 0.46s forwards;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(16px);
  animation: rise 0.8s var(--ease) 0.58s forwards;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0.7rem 1.3rem;
  border-radius: 999px;
  font-size: 0.94rem;
  transition: 0.25s var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--butter); color: #2a2208; }
.btn-primary:hover { background: #f7cb5d; }
.btn-fast { background: var(--mint); color: #fff; }
.btn-fast:hover { background: var(--mint-deep); }
.btn-ghost {
  border: 1px solid rgba(255,255,255,0.5);
  color: #fff;
}
.btn-ghost:hover { background: rgba(255,255,255,0.1); }
.btn-solid { background: var(--mint); color: #fff; }
.btn-solid:hover { background: var(--mint-deep); }
.btn-outline {
  border: 1px solid var(--line);
  color: var(--ink);
  background: #fff;
}
.btn-outline:hover {
  border-color: var(--mint);
  color: var(--mint-deep);
}

.section { padding: clamp(3.4rem, 6.5vw, 5.4rem) 0; }

.section-head {
  max-width: 40rem;
  margin-bottom: 1.7rem;
}
.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--mint-deep);
}
.section-head h2 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 3.2vw, 2.35rem);
}
.section-head p { margin: 0; color: var(--ink-soft); }

/* Menu board */
.menu-board {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1rem;
  align-items: stretch;
}
.menu-visual {
  overflow: hidden;
  border-radius: 28px;
  min-height: 400px;
  box-shadow: var(--shadow);
}
.menu-visual img {
  width: 100%;
  height: 100%;
  min-height: 400px;
  object-fit: cover;
}
.menu-list {
  background: #fff;
  border-radius: 28px;
  padding: 1.3rem 1.2rem;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.9rem;
  align-content: center;
}
.menu-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.75rem;
  align-items: start;
}
.menu-item .no {
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--mist);
  color: var(--mint-deep);
  font-family: var(--font-display);
}
.menu-item h3 {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
}
.menu-item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.93rem;
}

.kitchen-band {
  background: linear-gradient(180deg, rgba(227, 239, 233, 0.85), rgba(245, 250, 247, 0.95));
}

.upgrade-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}
.upgrade {
  background: #fff;
  border-radius: 22px;
  padding: 1.2rem 1.1rem;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.upgrade h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
}
.upgrade p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.93rem;
}

.order-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  align-items: center;
}
.order-visual {
  overflow: hidden;
  border-radius: 26px;
  min-height: 320px;
  box-shadow: var(--shadow);
}
.order-visual img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
}
.order-copy h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
}
.order-copy p {
  margin: 0 0 0.9rem;
  color: var(--ink-soft);
}

.promo {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  min-height: 400px;
  display: grid;
  align-items: end;
  color: #fff;
  box-shadow: var(--shadow);
}
.promo img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.promo::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(20,40,32,0.12), rgba(20,40,32,0.78));
}
.promo-copy {
  position: relative;
  z-index: 1;
  padding: clamp(1.3rem, 4vw, 2.4rem);
  max-width: 36rem;
}
.promo-copy h2 {
  margin: 0 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2.15rem);
}
.promo-copy p {
  margin: 0;
  color: rgba(255,255,255,0.9);
}

.download-counter {
  position: relative;
  overflow: hidden;
  border-radius: 28px;
  min-height: 290px;
  display: grid;
  align-items: center;
  color: #fff;
  box-shadow: var(--shadow);
}
.download-counter img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.download-counter::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(20,40,32,0.85), rgba(20,40,32,0.4));
}
.download-copy {
  position: relative;
  z-index: 1;
  padding: clamp(1.4rem, 4vw, 2.6rem);
  max-width: 34rem;
}
.download-copy h2 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2.15rem);
}
.download-copy p {
  margin: 0 0 1.15rem;
  color: rgba(255,255,255,0.9);
}
.download-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.site-footer {
  padding: 2rem 0 2.4rem;
  border-top: 1px solid var(--line);
  background: rgba(245, 250, 247, 0.95);
}
.footer-inner {
  display: grid;
  gap: 1rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
}
.seo-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.65rem;
}
.seo-keywords a {
  font-size: 0.8rem;
  color: var(--ink-soft);
  opacity: 0.82;
}
.seo-keywords a:hover {
  color: var(--mint-deep);
  opacity: 1;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: 0.75s var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@keyframes rise {
  to { opacity: 1; transform: none; }
}
@keyframes drift {
  from { transform: scale(1.04); }
  to { transform: scale(1.1) translate(-1%, -0.5%); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .hero-media img,
  .soft-tag,
  .hero-brand,
  .hero-title,
  .hero-desc,
  .hero-actions,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (max-width: 960px) {
  .menu-board,
  .order-row,
  .upgrade-grid {
    grid-template-columns: 1fr;
  }
  .menu-visual,
  .menu-visual img,
  .order-visual img {
    min-height: 250px;
  }
}

@media (max-width: 760px) {
  :root { --nav-h: 60px; }
  .nav-toggle { display: grid; }
  .nav-links {
    position: fixed;
    inset: var(--nav-h) 1rem auto;
    display: none;
    flex-direction: column;
    gap: 0;
    padding: 0.5rem;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: rgba(245,250,247,0.98);
    color: var(--ink);
    box-shadow: var(--shadow);
  }
  .nav-links.is-open { display: flex; }
  .nav-links a {
    padding: 0.8rem;
    border-radius: 12px;
  }
  .nav-links a:hover { background: var(--mist); }
}

@media (max-width: 480px) {
  .container,
  .hero-content { width: min(1100px, calc(100% - 1.3rem)); }
  .hero-actions,
  .download-actions { width: 100%; }
  .btn { width: 100%; }
}