/* 鱼台落地页样式 —— 变量由 site.json 的 brand 注入（--za-color / --za-bg） */
:root {
  --za-color: #1f66d1;
  --za-bg: #f4f5f7;
  --za-ink: #1c1f23;
  --za-muted: #6b7280;
  --za-line: #e4e7ec;
  --za-radius: 14px;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  background: var(--za-bg);
  color: var(--za-ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  -webkit-font-smoothing: antialiased;
}

#zaApp { max-width: 460px; margin: 0 auto; padding: 18px 16px 40px; }

.za-head { display: flex; align-items: center; gap: 10px; padding: 6px 2px 18px; }
.za-logo {
  height: 34px; min-width: 34px; display: flex; align-items: center; gap: 8px;
  font-weight: 700; color: var(--za-color); letter-spacing: .2px;
}
.za-logo img { height: 32px; width: auto; display: block; }
.za-brand { font-size: 13px; color: var(--za-muted); }

.za-card {
  background: #fff; border-radius: var(--za-radius); padding: 22px 18px 18px;
  box-shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 12px 32px -12px rgba(16, 24, 40, .18);
  border: 1px solid #fff;
}
.za-title { margin: 0 0 4px; font-size: 19px; line-height: 1.3; font-weight: 650; }
.za-sub { margin: 0 0 16px; color: var(--za-muted); font-size: 13.5px; }
.za-muted { color: var(--za-muted); font-size: 13.5px; }

.za-brand-icon {
  display: block; height: 18px; margin: 0 0 14px; line-height: 18px;
  font-size: 12px; font-weight: 700; letter-spacing: .8px; color: #4b5563;
}
.za-brand-icon.za-brand-visa { color: #1a1f71; }
.za-brand-icon.za-brand-mastercard { color: #eb001b; }
.za-brand-icon.za-brand-amex { color: #002663; }

.za-field { display: block; margin: 0 0 13px; }
.za-label { display: block; font-size: 12.5px; color: var(--za-muted); margin: 0 0 5px; }
.za-input {
  width: 100%; height: 46px; padding: 0 13px; font-size: 15px; color: var(--za-ink);
  background: #fbfbfc; border: 1px solid var(--za-line); border-radius: 10px; outline: none;
  transition: border-color .16s, box-shadow .16s, background .16s;
}
.za-input:focus { border-color: var(--za-color); background: #fff; box-shadow: 0 0 0 3px color-mix(in srgb, var(--za-color) 14%, transparent); }
select.za-input { appearance: none; background-image: linear-gradient(45deg, transparent 50%, #9aa3af 50%), linear-gradient(135deg, #9aa3af 50%, transparent 50%); background-position: calc(100% - 18px) 20px, calc(100% - 13px) 20px; background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; }

.za-error { display: block; min-height: 15px; margin-top: 4px; font-size: 12px; color: #d92d20; }
.za-invalid .za-input { border-color: #fda29b; background: #fffbfa; }

.za-btn {
  width: 100%; height: 48px; margin-top: 6px; border: 0; border-radius: 10px; cursor: pointer;
  background: var(--za-color); color: #fff; font-size: 15.5px; font-weight: 600; letter-spacing: .2px;
  transition: filter .16s, transform .06s;
}
.za-btn:hover { filter: brightness(1.05); }
.za-btn:active { transform: translateY(1px); }
.za-btn:disabled { opacity: .7; cursor: default; }
.za-btn.za-loading { color: transparent; position: relative; }
.za-btn.za-loading::after {
  content: ""; position: absolute; inset: 0; margin: auto; width: 18px; height: 18px;
  border: 2px solid rgba(255,255,255,.35); border-top-color: #fff; border-radius: 50%;
  animation: za-spin .7s linear infinite;
}
@keyframes za-spin { to { transform: rotate(360deg); } }

.za-notice { margin: 4px 0 10px; font-size: 12px; color: var(--za-muted); }
.za-foot { margin-top: 14px; font-size: 11.5px; color: #9aa3af; line-height: 1.5; }
.za-foot a { color: inherit; }

.za-done { text-align: center; padding: 34px 18px; }
.za-check {
  width: 56px; height: 56px; margin: 0 auto 14px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, #16a34a 14%, transparent); color: #16a34a; font-size: 26px;
}

.za-toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: rgba(17, 24, 39, .92); color: #fff; font-size: 13px;
  padding: 10px 16px; border-radius: 999px; z-index: 9999; opacity: 1;
  transition: opacity .3s; max-width: 88vw; text-align: center;
}
.za-toast.za-hide { opacity: 0; }

.za-custom-host { margin: 0 -4px; }
.za-custom-host input, .za-custom-host select { font-family: inherit; }

@media (max-width: 380px) {
  #zaApp { padding: 12px 10px 32px; }
  .za-card { padding: 18px 14px 14px; }
}

/* ---------- 皮肤版式 ---------- */
.za-logo-badge {
  background: #fff; color: var(--za-color);
  padding: 5px 10px; border-radius: 7px; font-weight: 800;
  font-size: 17px; letter-spacing: .5px; box-shadow: 0 2px 8px rgba(0,0,0,.12);
}

/* hero：品牌色头图，卡片压在下面 */
body.za-skin-hero { background: var(--za-color); }
body.za-skin-hero #zaApp { padding-top: 0; }
body.za-skin-hero .za-head { justify-content: center; padding: 30px 6px 22px; }
body.za-skin-hero .za-brand { color: rgba(255,255,255,.86); font-size: 13px; }
body.za-skin-hero .za-title { color: #111; }
body.za-skin-hero .za-card { border-radius: 18px; box-shadow: 0 18px 40px -18px rgba(0,0,0,.45); }
body.za-skin-hero .za-foot { color: #8b93a1; }

/* split：整页品牌色，白卡片居中，头部反白 */
body.za-skin-split { background: linear-gradient(180deg, var(--za-color) 0%, var(--za-color) 46%, var(--za-bg) 46%, var(--za-bg) 100%); }
body.za-skin-split #zaApp { padding-top: 10px; }
body.za-skin-split .za-head { justify-content: center; padding: 22px 6px 18px; }
body.za-skin-split .za-brand { color: rgba(255,255,255,.9); }
body.za-skin-split .za-card { margin-top: 8px; border-radius: 16px; box-shadow: 0 20px 44px -22px rgba(0,0,0,.5); }
body.za-skin-split .za-btn { border-radius: 8px; }

/* card：默认白卡片，仅强调色不同 */
body.za-skin-card .za-head { padding-bottom: 14px; }