/* =========================================================
   阜阳食记 FUYANG FOOD GUIDE — 烟火暖调
   ========================================================= */
:root{
  --ink:#1c1512;
  --ink-2:#241b16;
  --ink-3:#2e231c;
  --cream:#f5ede0;
  --cream-2:#e3d5c0;
  --amber:#e08a3c;
  --amber-soft:#f0a95c;
  --amber-deep:#b8651f;
  --red:#c0392b;
  --muted:#a08d78;
  --line:rgba(245,237,224,.14);
  --line-2:rgba(245,237,224,.08);
  --serif:"Noto Serif SC","Songti SC",serif;
  --brush:"Ma Shan Zheng",cursive;
  --ease:cubic-bezier(.22,.61,.36,1);
  --wrap:1200px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--serif);font-weight:300;
  background:var(--ink);color:var(--cream);
  line-height:1.9;overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px}

.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:.92rem;font-weight:400;letter-spacing:.1em;
  padding:.8em 2em;border-radius:2px;border:1px solid transparent;
  cursor:pointer;transition:.35s var(--ease);white-space:nowrap;
}
.btn--solid{background:linear-gradient(135deg,var(--amber-soft),var(--amber-deep));color:#1c1512;font-weight:600}
.btn--solid:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 12px 28px -12px rgba(224,138,60,.6)}
.btn--ghost{border-color:rgba(245,237,224,.35);color:var(--cream)}
.btn--ghost:hover{border-color:var(--amber-soft);background:rgba(224,138,60,.1)}

.eyebrow{font-size:.78rem;letter-spacing:.4em;color:var(--amber-soft);text-transform:uppercase;margin-bottom:1.2rem}
.sec-title{font-family:var(--serif);font-weight:600;font-size:clamp(1.8rem,3.6vw,2.8rem);line-height:1.4;letter-spacing:.02em}
.sec-head{max-width:680px;margin-bottom:3.6rem}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-desc{margin-top:1.2rem;color:var(--muted);font-size:1rem;max-width:56ch}
.sec-head--center .sec-desc{margin-left:auto;margin-right:auto}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:1.2rem 32px;transition:.4s var(--ease)}
.nav.scrolled{background:rgba(28,21,18,.92);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-2);padding:.85rem 32px}
.nav__logo{display:flex;flex-direction:column;line-height:1}
.nav__mark{font-family:var(--brush);font-size:1.5rem;letter-spacing:.1em;color:var(--cream)}
.nav__sub{font-size:.56rem;letter-spacing:.3em;color:var(--amber-soft);margin-top:.3rem}
.nav__links{display:flex;gap:2.2rem}
.nav__links a{font-size:.92rem;letter-spacing:.12em;color:var(--cream-2);position:relative;padding:.3em 0}
.nav__links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1px;background:var(--amber-soft);transition:width .35s var(--ease)}
.nav__links a:hover{color:var(--cream)}
.nav__links a:hover::after{width:100%}
.nav__actions{display:flex;align-items:center;gap:1rem}
.nav__music{background:none;border:1px solid var(--line);border-radius:50%;width:40px;height:40px;display:grid;place-items:center;color:var(--amber-soft);cursor:pointer;position:relative;transition:.3s var(--ease)}
.nav__music:hover{border-color:var(--amber-soft);background:rgba(224,138,60,.12)}
.nav__music-bar{display:none}
.nav__music.is-on .nav__music-bar{display:flex;gap:2px;position:absolute;bottom:-1px;left:50%;transform:translateX(-50%)}
.nav__music-bar i{width:2px;height:5px;background:var(--amber-soft);animation:eq .9s ease-in-out infinite}
.nav__music-bar i:nth-child(2){animation-delay:.2s}
.nav__music-bar i:nth-child(3){animation-delay:.4s}
@keyframes eq{0%,100%{height:3px}50%{height:8px}}

/* HERO */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero__media{position:absolute;inset:0;z-index:0}
.hero__media img{width:100%;height:100%;object-fit:cover;transform:scale(1.06);animation:heroZoom 16s var(--ease) forwards}
@keyframes heroZoom{to{transform:scale(1)}}
.hero__veil{position:absolute;inset:0;background:linear-gradient(105deg,rgba(28,21,18,.94) 0%,rgba(28,21,18,.7) 45%,rgba(28,21,18,.35) 100%),radial-gradient(120% 100% at 80% 30%,transparent 40%,rgba(28,21,18,.5) 100%)}
.hero__content{position:relative;z-index:2;max-width:var(--wrap);width:100%;margin:0 auto;padding:8rem 32px 6rem}
.hero__eyebrow{font-size:.8rem;letter-spacing:.5em;color:var(--amber-soft);margin-bottom:1.6rem}
.hero__title{font-family:var(--serif);font-weight:900;font-size:clamp(2.4rem,6vw,4.6rem);line-height:1.3;letter-spacing:.04em;color:#fff}
.hero__title em{font-style:normal;font-family:var(--brush);font-weight:400;color:var(--amber-soft);letter-spacing:.06em}
.hero__lede{margin-top:1.8rem;font-size:1.06rem;color:var(--cream-2);max-width:42ch;line-height:2}
.hero__cta{display:flex;gap:1rem;margin-top:2.6rem;flex-wrap:wrap}
.hero__stats{list-style:none;display:flex;gap:3rem;margin-top:3.4rem;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:1.8rem}
.hero__stats li{display:flex;flex-direction:column}
.hero__stats b{font-family:var(--serif);font-size:2.2rem;font-weight:900;color:var(--amber-soft);line-height:1}
.hero__stats i{font-style:normal;font-size:.82rem;letter-spacing:.14em;color:var(--muted);margin-top:.5rem}
.hero__scroll{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);z-index:2;font-size:.72rem;letter-spacing:.3em;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:.6rem}
.hero__scroll span{width:1px;height:36px;background:linear-gradient(var(--amber-soft),transparent);animation:scrollLine 2s infinite}
@keyframes scrollLine{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}50.1%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* FOODS */
.foods{padding:8rem 0;background:var(--ink)}
.food-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1.4rem}
.food-card{background:var(--ink-2);border:1px solid var(--line-2);overflow:hidden;transition:.4s var(--ease);cursor:default}
.food-card:hover{transform:translateY(-6px);border-color:rgba(224,138,60,.4);box-shadow:0 30px 60px -34px rgba(0,0,0,.8)}
.food-card__img{position:relative;aspect-ratio:4/3;overflow:hidden}
.food-card__img img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.food-card:hover .food-card__img img{transform:scale(1.06)}
.food-card__tag{position:absolute;top:.9rem;left:.9rem;font-size:.7rem;letter-spacing:.1em;color:#1c1512;background:var(--amber-soft);padding:.25em .7em;border-radius:2px;font-weight:600}
.food-card__body{padding:1.3rem 1.3rem 1.5rem}
.food-card__body h3{font-size:1.15rem;font-weight:600;letter-spacing:.03em;color:var(--cream)}
.food-card__body p{color:var(--muted);font-size:.88rem;line-height:1.8;margin-top:.6rem}
.food-card__meta{display:flex;align-items:center;justify-content:space-between;margin-top:.9rem;padding-top:.8rem;border-top:1px solid var(--line-2)}
.food-card__price{font-size:.92rem;color:var(--amber-soft);font-weight:600}
.food-card__price small{color:var(--muted);font-weight:300;font-size:.76rem}
.food-card__time{font-size:.76rem;color:var(--muted);letter-spacing:.04em}

/* ROUTES */
.routes{padding:8rem 0;background:var(--ink-2)}
.route-tabs{display:flex;gap:.8rem;margin-bottom:2.6rem;flex-wrap:wrap}
.rtab{font-family:var(--serif);font-size:.92rem;letter-spacing:.1em;background:none;border:1px solid var(--line);color:var(--muted);padding:.6em 1.5em;cursor:pointer;transition:.32s var(--ease);border-radius:2px}
.rtab:hover{color:var(--cream);border-color:rgba(224,138,60,.5)}
.rtab.is-active{background:linear-gradient(135deg,var(--amber-soft),var(--amber-deep));color:#1c1512;border-color:transparent;font-weight:600}
.route-panel{margin-top:1rem}
.route__head{display:flex;align-items:baseline;gap:1rem;flex-wrap:wrap;margin-bottom:2rem}
.route__head h3{font-size:1.4rem;font-weight:600;color:var(--cream)}
.route__head span{font-size:.86rem;color:var(--muted)}
.route__list{display:grid;gap:0;border-top:1px solid var(--line)}
.route__stop{display:grid;grid-template-columns:64px 1fr auto;gap:1.4rem;align-items:center;padding:1.6rem 0;border-bottom:1px solid var(--line-2)}
.route__no{font-family:var(--serif);font-size:1.5rem;font-weight:900;color:var(--amber-soft);opacity:.85}
.route__info h4{font-size:1.06rem;font-weight:600;color:var(--cream);letter-spacing:.03em}
.route__info p{color:var(--muted);font-size:.88rem;margin-top:.3rem}
.route__nav{display:inline-flex;align-items:center;gap:.4rem;font-size:.84rem;letter-spacing:.04em;color:var(--amber-soft);border:1px solid rgba(224,138,60,.4);padding:.5em 1.1em;border-radius:2px;white-space:nowrap;transition:.3s var(--ease)}
.route__nav:hover{background:rgba(224,138,60,.14);border-color:var(--amber-soft);color:var(--cream)}

/* STREETS */
.streets{padding:8rem 0;background:var(--ink)}
.street-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:1.4rem}
.street-card{position:relative;overflow:hidden;min-height:300px;display:flex;align-items:flex-end}
.street-card--wide{grid-row:span 2;min-height:100%}
.street-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.street-card:hover img{transform:scale(1.05)}
.street-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(28,21,18,.92))}
.street-card__body{position:relative;z-index:2;padding:1.8rem;width:100%}
.street-card__body h3{font-size:1.25rem;font-weight:600;color:#fff}
.street-card__body p{color:var(--cream-2);font-size:.9rem;margin-top:.5rem;line-height:1.75}
.street-card__link{display:inline-flex;align-items:center;gap:.4rem;margin-top:.9rem;font-size:.82rem;color:var(--amber-soft);letter-spacing:.06em}
.street-card__link:hover{color:#fff}

/* TIPS */
.tips{padding:8rem 0;background:var(--ink-2)}
.tips-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.2rem}
.tip-card{background:var(--ink-3);border:1px solid var(--line-2);padding:1.8rem 1.6rem;transition:.35s var(--ease)}
.tip-card:hover{border-color:rgba(224,138,60,.35);transform:translateY(-4px)}
.tip-card__ico{width:44px;height:44px;display:grid;place-items:center;border-radius:50%;background:rgba(224,138,60,.14);color:var(--amber-soft);margin-bottom:1.1rem}
.tip-card h4{font-size:1.04rem;font-weight:600;color:var(--cream);margin-bottom:.6rem}
.tip-card p{color:var(--muted);font-size:.88rem;line-height:1.85}

/* FOOTER */
.footer{background:#171210;border-top:1px solid var(--line-2);padding:4.5rem 0 0}
.footer__wrap{display:grid;grid-template-columns:1.2fr 2fr;gap:3rem;padding-bottom:3rem}
.footer__logo{font-family:var(--brush);font-size:1.6rem;letter-spacing:.1em;color:var(--cream)}
.footer__en{display:block;font-size:.58rem;letter-spacing:.3em;color:var(--amber-soft);margin:.5rem 0 1rem}
.footer__brand p{color:var(--muted);font-size:.9rem;max-width:30ch}
.footer__cols{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem}
.footer__cols h4{font-size:.82rem;letter-spacing:.18em;color:var(--amber-soft);font-weight:400;margin-bottom:1.1rem;text-transform:uppercase}
.footer__cols a,.footer__cols span{display:block;font-size:.9rem;color:var(--muted);margin-bottom:.7rem;transition:.3s}
.footer__cols a:hover{color:var(--cream)}
.footer__bar{border-top:1px solid var(--line-2);padding:1.4rem 32px;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.78rem;color:#6a5d4f;max-width:var(--wrap);margin:0 auto}

/* RESPONSIVE */
@media(max-width:1024px){
  .food-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .street-grid{grid-template-columns:1fr}
  .street-card--wide{grid-row:auto}
  .tips-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:760px){
  .wrap{padding:0 22px}
  .nav{padding:1rem 22px}
  .nav__links{display:none}
  .nav.scrolled{padding:.75rem 22px}
  .hero__content{padding:7rem 22px 5rem}
  .hero__title{font-size:clamp(2rem,9vw,3rem)}
  .hero__stats{gap:1.8rem}
  .foods,.routes,.streets,.tips{padding:5.5rem 0}
  .food-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:.9rem}
  .tips-grid{grid-template-columns:1fr}
  .route__stop{grid-template-columns:44px 1fr;gap:.9rem}
  .route__nav{grid-column:2;justify-self:start;margin-top:.6rem}
  .footer__wrap{grid-template-columns:1fr}
  .footer__cols{grid-template-columns:1fr 1fr}
  .btn--lg,.hero__cta .btn{flex:1}
}