/* ============================================================
   AmberChinaTour — stylesheet
   Modern, clean, image-led. Designed for international travelers.
   ============================================================ */
:root {
  --ink: #16161a;
  --muted: #6b7280;
  --line: #e8e6e1;
  --bg: #ffffff;
  --soft: #f7f6f3;
  --primary: #c1432e;      /* warm cinnabar */
  --primary-dark: #9c3322;
  --gold: #c9a24b;
  --whatsapp: #25d366;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 10px 30px rgba(22, 22, 26, 0.08);
  --shadow-lg: 0 24px 60px rgba(22, 22, 26, 0.16);
  --maxw: 1180px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --serif: "Playfair Display", Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { line-height: 1.18; margin: 0 0 0.4em; letter-spacing: -0.01em; }
.serif { font-family: var(--serif); font-weight: 600; }
.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.muted { color: var(--muted); }
.center { text-align: center; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 600; font-size: 15px; cursor: pointer;
  padding: 13px 24px; border-radius: 999px; border: 1px solid transparent;
  transition: transform .15s ease, box-shadow .2s ease, background .2s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 8px 20px rgba(193,67,46,.28); }
.btn-primary:hover { background: var(--primary-dark); }
.btn-dark { background: var(--ink); color: #fff; }
.btn-ghost { background: #fff; color: var(--ink); border-color: var(--line); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-wa { background: var(--whatsapp); color: #fff; box-shadow: 0 8px 20px rgba(37,211,102,.32); }
.btn-block { width: 100%; }
.btn-lg { padding: 16px 30px; font-size: 16px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.85); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 11px; font-weight: 800; font-size: 22px; letter-spacing: -.02em; }
.logo .mark {
  width: 34px; height: 34px; border-radius: 9px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary), var(--gold)); color: #fff; font-family: var(--serif); font-size: 18px;
}
.logo-img { width: 40px; height: 40px; object-fit: contain; }
.footer-brand .logo-img { width: 44px; height: 44px; }
.nav-links { display: flex; align-items: center; gap: 30px; }
.nav-links a { font-size: 16.5px; font-weight: 600; color: #333; }
.nav-links a:hover { color: var(--primary); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.menu-toggle { display: none; background: none; border: 0; font-size: 26px; cursor: pointer; }

/* ---------- hero ---------- */
.hero {
  position: relative; min-height: 86vh; display: flex; align-items: center;
  color: #fff; overflow: hidden;
}
.hero-bg, .hero-photo { position: absolute; inset: 0; }
.hero-bg { background: linear-gradient(135deg, #7b2d26 0%, #c1432e 55%, #c9a24b 120%); }
.hero-photo { width: 100%; height: 100%; object-fit: cover; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,8,12,.25) 0%, rgba(10,8,12,.55) 100%); }
.hero .container { position: relative; z-index: 2; padding-top: 60px; padding-bottom: 60px; }
.hero .eyebrow {
  display: inline-block; font-size: 13px; letter-spacing: .18em; text-transform: uppercase;
  background: rgba(255,255,255,.16); border: 1px solid rgba(255,255,255,.3);
  padding: 7px 16px; border-radius: 999px; margin-bottom: 22px; backdrop-filter: blur(4px);
}
.hero h1 { font-family: var(--serif); font-size: clamp(2.6rem, 6vw, 4.6rem); font-weight: 700; max-width: 16ch; }
.hero p { font-size: clamp(1.05rem, 2vw, 1.3rem); max-width: 52ch; opacity: .94; margin-bottom: 30px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-trust { display: flex; gap: 30px; margin-top: 46px; flex-wrap: wrap; }
.hero-trust .item { display: flex; flex-direction: column; }
.hero-trust .num { font-family: var(--serif); font-size: 1.8rem; font-weight: 700; }
.hero-trust .lbl { font-size: 13px; opacity: .85; letter-spacing: .04em; }

/* ---------- section ---------- */
.section { padding: 96px 0; }
.section.soft { background: var(--soft); }
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section-head .eyebrow { color: var(--primary); font-weight: 700; font-size: 13px; letter-spacing: .16em; text-transform: uppercase; }
.section-head h2 { font-family: var(--serif); font-size: clamp(2rem, 4vw, 2.9rem); margin-top: 10px; }
.section-head p { color: var(--muted); font-size: 1.08rem; }

/* ---------- tour grid / cards ---------- */
.tour-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.tour-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow); transition: transform .25s ease, box-shadow .25s ease;
  display: flex; flex-direction: column;
}
.tour-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.tour-media { position: relative; aspect-ratio: 4/3; overflow: hidden; }
.tour-media .grad { position: absolute; inset: 0; }
.tour-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.tour-card:hover .tour-media img { transform: scale(1.06); }
.tour-media .city-badge {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  background: rgba(255,255,255,.92); color: var(--ink); font-size: 12px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; padding: 6px 12px; border-radius: 999px;
}
.tour-media .days-badge {
  position: absolute; top: 14px; right: 14px; z-index: 2;
  background: rgba(22,22,26,.78); color: #fff; font-size: 12px; font-weight: 600;
  padding: 6px 12px; border-radius: 999px;
}
.tour-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.tour-body h3 { font-size: 1.28rem; }
.tour-body .sub { color: var(--muted); font-size: .95rem; margin-bottom: 14px; }
.tour-meta { display: flex; align-items: center; gap: 14px; font-size: .88rem; color: var(--muted); margin-bottom: 18px; flex-wrap: wrap; }
.tour-meta .rating { color: var(--ink); font-weight: 600; }
.tour-meta .star { color: var(--gold); }
.tour-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; padding-top: 16px; border-top: 1px solid var(--line); }
.price { display: flex; flex-direction: column; }
.price .from { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.price .amt { font-size: 1.5rem; font-weight: 800; }
.price .amt small { font-size: .8rem; font-weight: 500; color: var(--muted); }

/* ---------- city sections ---------- */
.city-block { margin-bottom: 64px; }
.city-block:last-child { margin-bottom: 0; }
.city-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 26px; padding-bottom: 16px; border-bottom: 2px solid var(--line); flex-wrap: wrap; }
.city-head .city-name { font-family: var(--serif); font-size: 2rem; display: flex; align-items: center; gap: 12px; }
.city-head .city-name .pin { color: var(--primary); }
.city-head .city-blurb { color: var(--muted); max-width: 52ch; font-size: 1rem; margin-top: 6px; }
.city-head .count { font-size: .85rem; color: var(--muted); white-space: nowrap; }

.type-badge { background: rgba(22,22,26,.78); }
.type-badge.half { background: rgba(46,125,143,.92); }
.type-badge.full { background: rgba(193,67,46,.92); }
.type-badge.exp { background: rgba(150,90,30,.92); }
.type-badge.multi { background: rgba(90,60,150,.92); }

/* other-cities note */
.other-cities {
  margin-top: 56px; background: var(--soft); border: 1px dashed var(--line);
  border-radius: var(--radius); padding: 34px 36px; display: flex; gap: 22px;
  align-items: center; flex-wrap: wrap;
}
.other-cities .em { font-size: 38px; }
.other-cities h3 { font-family: var(--serif); font-size: 1.4rem; margin: 0 0 6px; }
.other-cities p { margin: 0; color: var(--muted); max-width: 62ch; }
.other-cities .grow { flex: 1; min-width: 280px; }

/* ---------- feature row ---------- */
.features { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.feature { text-align: center; padding: 8px; }
.feature .ic { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 14px; display: grid; place-items: center; background: var(--soft); font-size: 26px; }
.feature h4 { font-size: 1.1rem; }
.feature p { color: var(--muted); font-size: .95rem; margin: 0; }

/* ---------- custom CTA band ---------- */
.custom-band {
  background: linear-gradient(135deg, var(--ink) 0%, #2a2a3a 100%); color: #fff;
  border-radius: 24px; padding: 64px 56px; display: grid; grid-template-columns: 1.4fr 1fr;
  gap: 40px; align-items: center; overflow: hidden; position: relative;
}
.custom-band::before { content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(201,162,75,.4), transparent 70%); }
.custom-band h2 { font-family: var(--serif); font-size: clamp(1.8rem, 3.5vw, 2.6rem); }
.custom-band p { opacity: .9; font-size: 1.05rem; }
.custom-band .actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- testimonials ---------- */
.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.quote { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.quote .stars { color: var(--gold); margin-bottom: 12px; }
.quote p { font-size: 1rem; }
.quote .who { display: flex; align-items: center; gap: 12px; margin-top: 18px; }
.quote .who .av { width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--gold)); color: #fff; display: grid; place-items: center; font-weight: 700; }
.quote .who .name { font-weight: 600; font-size: .95rem; }
.quote .who .from { font-size: .82rem; color: var(--muted); }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: #cfcfd6; padding: 70px 0 36px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; }
.site-footer h5 { color: #fff; font-size: .9rem; letter-spacing: .08em; text-transform: uppercase; margin-bottom: 16px; }
.site-footer a { display: block; color: #cfcfd6; font-size: .95rem; margin-bottom: 10px; }
.site-footer a:hover { color: #fff; }
.footer-brand .logo { color: #fff; margin-bottom: 14px; }
.footer-brand p { font-size: .92rem; max-width: 34ch; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); margin-top: 48px; padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .85rem; color: #9a9aa3; }

/* ---------- floating whatsapp ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 80;
  background: var(--whatsapp); color: #fff; width: 60px; height: 60px; border-radius: 50%;
  display: grid; place-items: center; box-shadow: 0 12px 28px rgba(37,211,102,.45);
  transition: transform .2s ease;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 32px; height: 32px; }

/* ============================================================
   TOUR DETAIL PAGE
   ============================================================ */
.detail-hero { position: relative; height: 56vh; min-height: 380px; color: #fff; display: flex; align-items: flex-end; overflow: hidden; }
.detail-hero .grad, .detail-hero img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.detail-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0,0,0,.1), rgba(0,0,0,.65)); }
.detail-hero .container { position: relative; z-index: 2; padding-bottom: 40px; }
.detail-hero .city-badge { display: inline-block; background: rgba(255,255,255,.92); color: var(--ink); font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 6px 14px; border-radius: 999px; margin-bottom: 16px; }
.detail-hero h1 { font-family: var(--serif); font-size: clamp(2rem, 5vw, 3.4rem); }
.detail-hero .sub { font-size: 1.15rem; opacity: .92; }
.crumbs { font-size: .9rem; padding: 18px 0; color: var(--muted); }
.crumbs a:hover { color: var(--primary); }

.detail-layout { display: grid; grid-template-columns: 1fr 380px; gap: 48px; padding: 40px 0 90px; align-items: start; }
.detail-main h2 { font-family: var(--serif); font-size: 1.7rem; margin-top: 40px; }
.detail-main h2:first-child { margin-top: 0; }
.fact-row { display: flex; gap: 26px; flex-wrap: wrap; padding: 22px 0 26px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }
.fact { display: flex; flex-direction: column; }
.fact .k { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.fact .v { font-weight: 700; font-size: 1.05rem; }
.lead { font-size: 1.12rem; color: #333; }

.hl-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.hl-list li { display: flex; gap: 12px; align-items: flex-start; }
.hl-list .tick { color: var(--primary); font-weight: 800; margin-top: 1px; }

.timeline { position: relative; margin: 8px 0 0; padding-left: 8px; }
.tl-item { position: relative; padding: 0 0 28px 40px; border-left: 2px solid var(--line); }
.tl-item:last-child { border-left-color: transparent; padding-bottom: 0; }
.tl-item .dot { position: absolute; left: -11px; top: 0; width: 20px; height: 20px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 11px; font-weight: 700; display: grid; place-items: center; }
.tl-item h4 { font-size: 1.12rem; margin-bottom: 4px; }
.tl-item .day-tag { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--primary); font-weight: 700; }
.tl-item p { color: var(--muted); margin: 4px 0 0; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; }
.inc-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.inc-list li { display: flex; gap: 10px; font-size: .98rem; }
.inc-list .yes { color: #2e9c5e; font-weight: 800; }
.inc-list .no { color: #c1432e; font-weight: 800; }

/* booking card */
.booking-card { position: sticky; top: 96px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow-lg); padding: 26px; }
.booking-card .bc-price { display: flex; align-items: baseline; gap: 8px; margin-bottom: 4px; }
.booking-card .bc-price .amt { font-size: 2rem; font-weight: 800; }
.booking-card .bc-price .per { color: var(--muted); font-size: .95rem; }
.booking-card .bc-rating { font-size: .9rem; color: var(--muted); margin-bottom: 20px; }
.booking-card .bc-rating .star { color: var(--gold); }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 15px; color: var(--ink); background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(193,67,46,.12); }
.qty { display: flex; align-items: center; border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; }
.qty button { width: 46px; height: 46px; border: 0; background: var(--soft); font-size: 20px; cursor: pointer; }
.qty button:hover { background: #ececec; }
.qty input { border: 0; text-align: center; border-radius: 0; }
.bc-total { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; border-top: 1px solid var(--line); margin-top: 4px; }
.bc-total .lbl { color: var(--muted); }
.bc-total .val { font-size: 1.4rem; font-weight: 800; }
.bc-note { font-size: 12px; color: var(--muted); text-align: center; margin-top: 12px; }

/* ============================================================
   CHECKOUT + CUSTOM FORM PAGES
   ============================================================ */
.page-pad { padding: 50px 0 90px; }
.page-title { font-family: var(--serif); font-size: clamp(1.9rem, 4vw, 2.8rem); margin-bottom: 6px; }
.page-sub { color: var(--muted); margin-bottom: 38px; font-size: 1.05rem; }

.checkout-layout { display: grid; grid-template-columns: 1fr 400px; gap: 44px; align-items: start; }
.panel { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); margin-bottom: 26px; }
.panel h3 { font-size: 1.25rem; margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.panel h3 .step { width: 28px; height: 28px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 14px; display: grid; place-items: center; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.req { color: var(--primary); }

/* payment methods */
.pay-methods { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin-bottom: 22px; }
.pay-opt { border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px; cursor: pointer; display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: .95rem; transition: border .2s, background .2s; }
.pay-opt:hover { border-color: var(--ink); }
.pay-opt.active { border-color: var(--primary); background: rgba(193,67,46,.05); box-shadow: 0 0 0 2px rgba(193,67,46,.15); }
.pay-opt .em { font-size: 20px; }

/* order summary */
.summary { position: sticky; top: 96px; }
.summary .sum-media { aspect-ratio: 16/9; border-radius: var(--radius-sm); overflow: hidden; position: relative; margin-bottom: 18px; }
.summary .sum-media img, .summary .sum-media .grad { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.sum-line { display: flex; justify-content: space-between; padding: 9px 0; font-size: .96rem; }
.sum-line.total { border-top: 1px solid var(--line); margin-top: 8px; padding-top: 16px; font-size: 1.25rem; font-weight: 800; }
.badge-trust { display: flex; gap: 8px; align-items: center; font-size: .85rem; color: var(--muted); margin-top: 16px; }

/* multi-select chips */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  border: 1px solid var(--line); border-radius: 999px; padding: 9px 16px;
  font-size: .94rem; font-weight: 500; user-select: none; transition: all .15s ease;
}
.chip input { accent-color: var(--primary); width: 16px; height: 16px; cursor: pointer; }
.chip:hover { border-color: var(--ink); }
.chip.checked { border-color: var(--primary); background: rgba(193,67,46,.06); color: var(--primary); font-weight: 600; }

/* alipay payment box */
.alipay-box { display: grid; grid-template-columns: 220px 1fr; gap: 26px; align-items: center; background: var(--soft); border-radius: var(--radius); padding: 24px; }
.alipay-box .qr { background: #fff; border-radius: 12px; padding: 10px; box-shadow: var(--shadow); }
.alipay-box .qr img { width: 100%; border-radius: 6px; }
.alipay-box .qr .scan { text-align: center; font-size: .82rem; color: var(--muted); margin-top: 8px; }
.alipay-info .ap-title { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.15rem; margin-bottom: 14px; }
.alipay-info .ap-title .ap-logo { width: 30px; height: 30px; border-radius: 7px; background: #1677ff; color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 15px; }
.ap-row { display: flex; justify-content: space-between; gap: 14px; padding: 9px 0; border-bottom: 1px dashed var(--line); font-size: .96rem; }
.ap-row:last-child { border-bottom: 0; }
.ap-row .k { color: var(--muted); }
.ap-row .v { font-weight: 600; word-break: break-all; text-align: right; }
.ap-steps { margin: 18px 0 0; padding-left: 18px; color: var(--muted); font-size: .92rem; }
.ap-steps li { margin-bottom: 6px; }

/* post-payment confirmation buttons */
.post-pay { margin-top: 22px; }
.post-pay .pp-q { font-weight: 700; margin-bottom: 12px; }
.post-pay .pp-actions { display: grid; gap: 12px; }
.btn-success { background: #2e9c5e; color: #fff; }
.btn-success:hover { background: #268a51; }
.btn-warn { background: #fff; color: #c1432e; border-color: #c1432e; }
.btn-warn:hover { background: rgba(193,67,46,.06); }

/* success modal */
.modal-backdrop { position: fixed; inset: 0; background: rgba(10,8,12,.6); z-index: 100; display: none; align-items: center; justify-content: center; padding: 20px; backdrop-filter: blur(4px); }
.modal-backdrop.open { display: flex; }
.modal { background: #fff; border-radius: 20px; max-width: 460px; width: 100%; padding: 40px; text-align: center; box-shadow: var(--shadow-lg); }
.modal .check { width: 72px; height: 72px; margin: 0 auto 20px; border-radius: 50%; background: rgba(46,156,94,.12); color: #2e9c5e; display: grid; place-items: center; font-size: 38px; }
.modal h3 { font-size: 1.5rem; font-family: var(--serif); }
.modal p { color: var(--muted); }
.modal .actions { display: flex; flex-direction: column; gap: 10px; margin-top: 24px; }

.note-box { background: var(--soft); border-radius: var(--radius-sm); padding: 16px 18px; font-size: .9rem; color: var(--muted); display: flex; gap: 10px; }
.note-box .em { font-size: 18px; }

/* ---------- responsive ---------- */
@media (max-width: 980px) {
  .tour-grid, .quotes { grid-template-columns: repeat(2, 1fr); }
  .features { grid-template-columns: repeat(2, 1fr); }
  .detail-layout, .checkout-layout { grid-template-columns: 1fr; }
  .booking-card, .summary { position: static; }
  .custom-band { grid-template-columns: 1fr; padding: 44px 32px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; }
  .menu-toggle { display: block; }
  .tour-grid, .quotes, .features, .two-col, .form-row, .pay-methods { grid-template-columns: 1fr; }
  .alipay-box { grid-template-columns: 1fr; }
  .city-head .city-name { font-size: 1.6rem; }
  .alipay-box .qr { max-width: 260px; margin: 0 auto; }
  .section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { min-height: 80vh; }
}