/*!
 * assets/app.css — 全部样式（main.js 依赖的类名在此定义）
 */
:root{
  --bg:#07070c; --bg2:#0d0d16; --card:#12121f; --card2:#171728;
  --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.16);
  --txt:#f4f5fb; --dim:#9aa0b8; --dim2:#6e7590;
  --accent:#00e0a4; --accent2:#00b4ff; --hot:#ff2d6f; --gold:#ffc53d;
  --ok:#22c55e; --warn:#f59e0b; --err:#ef4444;
  --r:16px; --r-lg:22px;
  --shadow:0 18px 48px rgba(0,0,0,.55);
  --safe-b:env(safe-area-inset-bottom,0px);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; background:var(--bg); color:var(--txt);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
  line-height:1.55; overflow-x:hidden;
  padding-bottom:calc(104px + var(--safe-b));
}
img{max-width:100%;display:block}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
a{color:var(--accent)}
.hidden{display:none !important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  border-radius:999px; border:1px solid transparent;
  padding:.72rem 1.15rem; font-weight:700; letter-spacing:.01em;
  transition:transform .12s ease, box-shadow .2s ease, background .2s ease, opacity .2s ease;
  -webkit-tap-highlight-color:transparent;
}
.btn:active{transform:translateY(1px) scale(.995)}
.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn--primary{
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  color:#04121a; box-shadow:0 10px 26px rgba(0,224,164,.28),0 2px 0 rgba(255,255,255,.14) inset;
}
.btn--primary:hover:not(:disabled){box-shadow:0 14px 34px rgba(0,224,164,.4)}
.btn--spin{
  background:linear-gradient(135deg,#ff3d78,#ff8a3d); color:#fff;
  box-shadow:0 10px 26px rgba(255,61,120,.35);
}
.btn--ghost{background:transparent;color:var(--txt);border-color:var(--line2)}
.btn--ghost:hover{background:rgba(255,255,255,.06)}
.btn--lg{padding:.95rem 1.5rem;font-size:1.02rem;border-radius:14px}
.btn__arrow{transition:transform .2s ease}
.btn:hover .btn__arrow{transform:translateX(3px)}
.btn__icon{font-size:1.05em;line-height:1}

/* ---------- age gate ---------- */
.age-gate{
  position:fixed;inset:0;z-index:9000;display:flex;align-items:center;justify-content:center;padding:1.25rem;
  background:radial-gradient(120% 90% at 50% 0%,#161a30 0%,#07070c 60%);
}
.age-gate__card{
  width:100%;max-width:420px;text-align:center;padding:2rem 1.5rem 1.6rem;
  background:var(--card);border:1px solid var(--line2);border-radius:var(--r-lg);box-shadow:var(--shadow);
}
.age-gate__badge{
  width:64px;height:64px;margin:0 auto 1rem;border-radius:50%;
  display:grid;place-items:center;font-size:1.35rem;font-weight:800;letter-spacing:.02em;
  background:linear-gradient(135deg,var(--hot),#ff8a3d);color:#fff;box-shadow:0 10px 30px rgba(255,45,111,.45);
}
.age-gate h1,.age-gate h2{margin:.2rem 0 .6rem;font-size:1.4rem;line-height:1.25}
.age-gate__copy{color:var(--dim);margin:0 0 1.4rem;font-size:.95rem}
.age-gate__actions{display:grid;gap:.6rem;margin-bottom:1rem}
.age-gate__actions .btn{width:100%}
.age-gate__fine{color:var(--dim2);font-size:.75rem;margin:0;line-height:1.45}

/* ---------- page shell ---------- */
.page{max-width:520px;margin:0 auto;padding:0 .9rem}
@media(min-width:900px){.page{max-width:1080px;padding:0 2rem}}

/* ---------- topbar ---------- */
.topbar{
  display:flex;align-items:center;justify-content:center;gap:.55rem;flex-wrap:wrap;
  padding:.5rem .8rem;margin:0 -.9rem;
  background:linear-gradient(90deg,rgba(0,224,164,.14),rgba(0,180,255,.14));
  border-bottom:1px solid var(--line);
  font-size:.72rem;font-weight:600;letter-spacing:.02em;color:#cfe9e2;
}
.topbar__sep{width:3px;height:3px;border-radius:50%;background:var(--dim2)}

/* ---------- hero ---------- */
.hero{padding:1.4rem 0 .6rem}
@media(min-width:900px){
  .hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:2.5rem;align-items:center;padding:2.5rem 0 1.5rem}
}
.hero__media{position:relative;border-radius:var(--r-lg);overflow:hidden;background:radial-gradient(70% 60% at 50% 40%,#1d2542,#0a0a12);
  border:1px solid var(--line);display:grid;place-items:center;aspect-ratio:1/1}
.hero__media img{width:88%;height:auto;filter:drop-shadow(0 24px 40px rgba(0,0,0,.6))}
.hero__glow{position:absolute;inset:-30%;background:conic-gradient(from 0deg,rgba(0,224,164,.22),rgba(0,180,255,.18),rgba(255,45,111,.18),rgba(0,224,164,.22));
  filter:blur(60px);z-index:0;animation:spinGlow 14s linear infinite}
@keyframes spinGlow{to{transform:rotate(1turn)}}
.hero__media img{position:relative;z-index:1}

.hero__body{padding-top:1.1rem}
@media(min-width:900px){.hero__body{padding-top:0}}
.hero__eyebrow{display:flex;gap:.45rem;flex-wrap:wrap;margin-bottom:.8rem}
.pill{font-size:.7rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;
  padding:.3rem .6rem;border-radius:999px;border:1px solid var(--line2);color:var(--dim)}
.pill--live{color:#062;background:var(--accent);border-color:transparent}
.hero__title{margin:0 0 .7rem;font-size:2rem;line-height:1.08;font-weight:800;letter-spacing:-.02em}
@media(min-width:900px){.hero__title{font-size:2.7rem}}
.hero__brand{display:block;font-size:.9rem;letter-spacing:.28em;color:var(--accent);font-weight:700;margin-bottom:.35rem}
.hero__puffs{display:block;font-size:1.1rem;font-weight:600;color:var(--dim);letter-spacing:0}
.hero__sub{margin:0 0 1rem;color:var(--dim);font-size:.94rem}
.hero__price{display:flex;align-items:baseline;gap:.55rem;flex-wrap:wrap;margin-bottom:1.1rem}
.hero__price-now{font-size:1.8rem;font-weight:800;color:var(--txt)}
.hero__price-was{color:var(--dim2);text-decoration:line-through;font-size:1rem}
.hero__price-each{color:var(--dim2);font-size:.8rem}
.hero__cta{display:grid;gap:.6rem;grid-template-columns:1fr}
@media(min-width:420px){.hero__cta{grid-template-columns:1.25fr 1fr}}
.hero__trust{list-style:none;display:flex;gap:1rem;flex-wrap:wrap;padding:0;margin:1rem 0 0;color:var(--dim2);font-size:.76rem}
.hero__trust li::before{content:"✓ ";color:var(--accent);font-weight:800}

/* ---------- bonus strip ---------- */
.bonus{margin:.4rem -.9rem 0;padding:.85rem .9rem;background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.bonus__inner{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap;max-width:1080px;margin:0 auto}
.bonus__label{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.08em;color:var(--dim2);margin-bottom:.4rem}
.bonus__tiers{display:flex;gap:.4rem;flex-wrap:wrap}
.tier{font-size:.72rem;font-weight:700;padding:.28rem .55rem;border-radius:8px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--dim);transition:all .25s}
.tier.is-active{background:rgba(0,224,164,.16);border-color:rgba(0,224,164,.5);color:var(--accent)}
.tier.is-next{background:rgba(255,197,61,.12);border-color:rgba(255,197,61,.45);color:var(--gold)}
.bonus__right{font-size:.8rem;color:var(--gold);font-weight:600}

/* ---------- teaser ---------- */
.teaser{padding:1.1rem 0 .3rem}
.teaser__card{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap;
  padding:1rem 1.1rem;border-radius:var(--r);border:1px solid rgba(255,61,120,.35);
  background:linear-gradient(120deg,rgba(255,61,120,.16),rgba(255,138,61,.1))}
.teaser__kicker{font-size:.68rem;text-transform:uppercase;letter-spacing:.1em;color:#ff9ab6;font-weight:700}
.teaser__title{margin:.2rem 0 .3rem;font-size:1.06rem}
.teaser__copy{margin:0;font-size:.82rem;color:var(--dim)}
.teaser__text{flex:1 1 220px;min-width:0}

/* ---------- sections ---------- */
.section{padding:1.6rem 0}
.section__head{margin-bottom:1rem}
.section__title{margin:0 0 .3rem;font-size:1.3rem;letter-spacing:-.01em}
.section__sub{margin:0;color:var(--dim);font-size:.85rem}

/* ---------- bundles ---------- */
.bundle-grid{display:grid;gap:.7rem}
@media(min-width:640px){.bundle-grid{grid-template-columns:repeat(3,1fr)}}
.bundle{
  position:relative;display:flex;flex-direction:column;gap:.5rem;
  padding:1rem;border-radius:var(--r);border:1.5px solid var(--line);
  background:var(--card);text-align:left;transition:all .2s;width:100%;
}
.bundle:hover{border-color:var(--line2);transform:translateY(-2px)}
.bundle.is-active{border-color:var(--accent);background:linear-gradient(160deg,rgba(0,224,164,.12),var(--card));
  box-shadow:0 0 0 1px var(--accent),0 12px 30px rgba(0,224,164,.16)}
.bundle__badge{align-self:flex-start;font-size:.62rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  padding:.2rem .45rem;border-radius:6px;background:rgba(255,255,255,.08);color:var(--dim)}
.bundle.is-active .bundle__badge{background:var(--accent);color:#04121a}
.bundle--hot .bundle__badge{background:var(--gold);color:#2a1c00}
.bundle__name{font-size:1rem;font-weight:700}
.bundle__qty{font-size:.76rem;color:var(--dim)}
.bundle__price{display:flex;align-items:baseline;gap:.4rem;flex-wrap:wrap;margin-top:auto}
.bundle__now{font-size:1.25rem;font-weight:800}
.bundle__was{font-size:.8rem;color:var(--dim2);text-decoration:line-through}
.bundle__save{font-size:.72rem;font-weight:700;color:var(--accent)}
.bundle__ship{font-size:.68rem;color:var(--dim2)}
.bundle__ship--free{color:var(--ok);font-weight:700}

/* ---------- flavours ---------- */
.flavour-list{display:grid;gap:.6rem}
@media(min-width:640px){.flavour-list{grid-template-columns:1fr 1fr}}
.flavour{
  display:flex;align-items:center;gap:.75rem;padding:.7rem;
  border-radius:var(--r);border:1.5px solid var(--line);background:var(--card);transition:all .2s;
}
.flavour.is-picked{border-color:rgba(0,224,164,.55);background:linear-gradient(120deg,rgba(0,224,164,.08),var(--card))}
.flavour.is-out{opacity:.42;filter:grayscale(.85)}
.flavour__img{width:52px;height:52px;border-radius:12px;object-fit:cover;background:#0a0a12;flex:0 0 auto}
.flavour__main{flex:1 1 auto;min-width:0}
.flavour__name{font-size:.9rem;font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.flavour__meta{font-size:.7rem;color:var(--dim2)}
.flavour__stock{color:var(--ok);font-weight:600}
.flavour__out{color:var(--warn);font-weight:700}
.qty{
  display:inline-flex;align-items:center;gap:.1rem;border:1px solid var(--line2);border-radius:999px;padding:.15rem;flex:0 0 auto;
}
.qty__btn{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;font-size:1.05rem;font-weight:700;color:var(--txt);
  transition:background .15s}
.qty__btn:hover:not(:disabled){background:rgba(255,255,255,.1)}
.qty__btn:disabled{opacity:.3;cursor:not-allowed}
.qty-input{width:34px;text-align:center;background:none;border:0;color:var(--txt);font-weight:700;font-size:.9rem;
  -moz-appearance:textfield}
.qty-input::-webkit-outer-spin-button,.qty-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}

/* ---------- features ---------- */
.feature-grid{display:grid;gap:.7rem;grid-template-columns:1fr 1fr}
@media(min-width:760px){.feature-grid{grid-template-columns:repeat(4,1fr)}}
.feature{padding:.95rem;border-radius:var(--r);background:var(--card);border:1px solid var(--line)}
.feature__icon{font-size:1.3rem;margin-bottom:.4rem}
.feature h3{margin:0 0 .25rem;font-size:.88rem}
.feature p{margin:0;font-size:.76rem;color:var(--dim);line-height:1.45}

/* ---------- faq ---------- */
.section--faq{padding-bottom:.5rem}
.faq{display:grid;gap:.5rem}
.faq__item{border:1px solid var(--line);border-radius:12px;background:var(--card);padding:.15rem .9rem}
.faq__item summary{cursor:pointer;padding:.7rem 0;font-size:.88rem;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:.5rem}
.faq__item summary::-webkit-details-marker{display:none}
.faq__item summary::after{content:"+";color:var(--accent);font-weight:800}
.faq__item[open] summary::after{content:"−"}
.faq__item p{margin:0 0 .8rem;font-size:.82rem;color:var(--dim);line-height:1.55}

/* ---------- footer ---------- */
.footer{padding:1.4rem 0 2rem;border-top:1px solid var(--line);margin-top:1rem}
.footer__warn{font-size:.78rem;color:#ffb4b4;background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);
  border-radius:12px;padding:.7rem .85rem;margin-bottom:.9rem;line-height:1.5}
.footer__fine{font-size:.7rem;color:var(--dim2);margin:.45rem 0;line-height:1.5}

/* ---------- sticky price bar ---------- */
.price-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:800;
  display:flex;align-items:center;gap:.7rem;
  padding:.6rem .9rem calc(.6rem + var(--safe-b));
  background:rgba(10,10,18,.94);backdrop-filter:blur(14px);
  border-top:1px solid var(--line2);
  max-width:100%;
}
@media(min-width:900px){.price-bar{max-width:1080px;margin:0 auto;border-radius:18px 18px 0 0;border:1px solid var(--line2);border-bottom:0;left:50%;right:auto;transform:translateX(-50%);width:100%;padding:.75rem 1.2rem calc(.75rem + var(--safe-b))}}
.price-bar__info{flex:1 1 auto;min-width:0}
.price-bar__row1{display:flex;align-items:baseline;gap:.5rem;flex-wrap:wrap}
.price-bar__qty{font-size:.86rem;font-weight:700}
.price-bar__save{font-size:.7rem;font-weight:700;color:var(--accent);background:rgba(0,224,164,.14);
  padding:.12rem .4rem;border-radius:6px}
.price-bar__row2{font-size:.68rem;color:var(--dim2);line-height:1.35}
.price-bar__row2.is-free{color:var(--ok);font-weight:600}
.price-bar__row3{font-size:.62rem;color:var(--dim2);line-height:1.35;margin-top:.1rem}
.price-bar__btn{flex:0 0 auto;flex-direction:column;gap:.02rem;padding:.6rem 1.1rem;border-radius:14px;min-width:132px}
.price-bar__btn-label{font-size:.68rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;opacity:.75}
.price-bar__btn-total{font-size:1.02rem;font-weight:800;line-height:1.1}
.price-bar__status{position:absolute;left:0;right:0;bottom:100%;padding:.45rem .9rem;font-size:.74rem;
  background:rgba(0,180,255,.16);border-top:1px solid rgba(0,180,255,.3);color:#bfe9ff;text-align:center}
.price-bar__status.is-error{background:rgba(239,68,68,.16);border-top-color:rgba(239,68,68,.4);color:#ffc9c9}

/* ---------- toast ---------- */
.toast-wrap{position:fixed;left:50%;top:1rem;transform:translateX(-50%);z-index:9500;display:grid;gap:.45rem;width:calc(100% - 2rem);max-width:400px;pointer-events:none}
.toast{padding:.65rem .9rem;border-radius:12px;font-size:.82rem;font-weight:600;text-align:center;
  background:rgba(20,20,34,.97);border:1px solid var(--line2);box-shadow:var(--shadow);animation:toastIn .22s ease}
.toast--ok{border-color:rgba(0,224,164,.6);color:var(--accent)}
.toast--err{border-color:rgba(239,68,68,.6);color:#ffb4b4}
@keyframes toastIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}