:root {
  --gold: #d8b878;
  --gold-bright: #f0d49a;
  --gold-deep: #b9924a;
  --cream: #f3e7cf;
  --cream-2: #e7d3ad;
  --brown: #5a4326;
  --panel-top: #1b1510;
  --panel-bot: #3a2c1c;
  --overlay: rgba(0, 0, 0, 0.78);
}

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

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #000;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  overflow: hidden;
}

/* ---------- 舞台：竖版海报 ---------- */
.stage {
  position: relative;
  width: 100vw;
  height: 100vh;
  max-width: 540px;
  margin: 0 auto;
  background-image: url('assets/bg.png');
  background-size: cover;
  background-position: center top;
  background-repeat: no-repeat;
  overflow: hidden;
}

/* ---------- 预约按钮（胶囊 / 双层 / 金边 / 星饰）---------- */
.reserve-btn {
  position: absolute;
  left: 50%;
  bottom: 16%;
  transform: translateX(-50%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 40px;
  border: 1.5px solid var(--gold-deep);
  border-radius: 999px;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-2) 100%);
  box-shadow: 0 0 16px rgba(216, 184, 120, 0.35), inset 0 0 0 1px rgba(255, 255, 255, 0.5);
  cursor: pointer;
  animation: breathe 2.4s ease-in-out infinite;
  white-space: nowrap; /* 手机上禁止「预约庆典」换行 */
}
.reserve-btn::after {
  /* 内层描金边 */
  content: "";
  position: absolute;
  inset: 4px;
  border: 1px solid var(--gold);
  border-radius: 999px;
  pointer-events: none;
}
.reserve-btn-text {
  font-size: 22px;
  font-style: italic;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--brown);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.6);
}
.star {
  color: var(--gold-deep);
  font-size: 14px;
  text-shadow: 0 0 6px rgba(216, 184, 120, 0.8);
}

@keyframes breathe {
  0%, 100% { box-shadow: 0 0 16px rgba(216, 184, 120, 0.3), inset 0 0 0 1px rgba(255, 255, 255, 0.5); }
  50%      { box-shadow: 0 0 26px rgba(216, 184, 120, 0.6), inset 0 0 0 1px rgba(255, 255, 255, 0.6); }
}

/* ---------- 遮罩 ---------- */
.overlay {
  position: fixed;
  inset: 0;
  background: var(--overlay);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}
.overlay.show { display: flex; }

/* ---------- 弹窗：黑金面板 ---------- */
.popup {
  position: relative;
  width: 100%;
  max-width: 340px;
  padding: 46px 26px 30px;
  text-align: center;
  background: linear-gradient(180deg, var(--panel-top) 0%, #241a10 55%, var(--panel-bot) 100%);
  border: 1px solid var(--gold-deep);
  border-radius: 6px;
  box-shadow: 0 0 0 4px rgba(0, 0, 0, 0.6), 0 0 0 5px rgba(216, 184, 120, 0.5),
    0 20px 50px rgba(0, 0, 0, 0.7), inset 0 0 30px rgba(216, 184, 120, 0.08);
  background-image:
    radial-gradient(circle at 50% 20%, rgba(216, 184, 120, 0.12), transparent 60%),
    repeating-radial-gradient(circle at 50% 30%, rgba(255, 255, 255, 0.03) 0 1px, transparent 1px 6px);
}
/* 四角星饰 */
.popup::before, .popup::after {
  content: "✦";
  position: absolute;
  color: var(--gold);
  font-size: 16px;
  opacity: 0.9;
  text-shadow: 0 0 8px rgba(216, 184, 120, 0.8);
}
.popup::before { top: 8px; left: 10px; }
.popup::after  { top: 8px; right: 10px; }

/* 菱形关闭按钮 */
.popup-close {
  position: absolute;
  top: -16px;
  left: 50%;
  transform: translateX(-50%) rotate(45deg);
  width: 34px;
  height: 34px;
  border: 1.5px solid var(--gold);
  background: #2a1f14;
  color: var(--gold-bright);
  font-size: 20px;
  line-height: 1;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 10px rgba(216, 184, 120, 0.5);
}
.popup-close::before {
  content: "×";
  transform: rotate(-45deg);
  display: block;
  font-weight: 700;
}

.popup-title {
  margin: 4px 0 6px;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 3px;
  white-space: nowrap;
  background: linear-gradient(180deg, #fff 0%, var(--gold-bright) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 18px rgba(216, 184, 120, 0.35);
}
.popup-sub {
  margin: 0 0 20px;
  font-size: 14px;
  color: var(--gold);
  letter-spacing: 1px;
  white-space: nowrap;
}

/* 手机号输入：白色胶囊 + 金边 */
.input-wrap { margin: 0 4px 18px; }
.phone-input {
  width: 100%;
  padding: 13px 18px;
  border: 1.5px solid var(--gold);
  border-radius: 999px;
  background: #fff;
  color: #2a2018;
  font-size: 16px;
  text-align: center;
  letter-spacing: 1px;
  outline: none;
  box-shadow: 0 0 10px rgba(216, 184, 120, 0.3);
}
.phone-input::placeholder { color: #b6a98f; }
.phone-input:focus { box-shadow: 0 0 16px rgba(216, 184, 120, 0.6); }

/* 提交按钮 */
.submit-btn {
  position: relative;
  width: 100%;
  margin: 0 4px;
  padding: 12px 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1.5px solid var(--gold-deep);
  border-radius: 999px;
  background: linear-gradient(180deg, var(--cream) 0%, var(--cream-2) 100%);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.5), 0 4px 14px rgba(0, 0, 0, 0.4);
  color: var(--brown);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 4px;
  cursor: pointer;
  white-space: nowrap;
}
.submit-btn:disabled { opacity: 0.6; cursor: default; }
.submit-btn .star { font-size: 12px; }

/* 结果提示 */
.popup-msg {
  min-height: 20px;
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--gold-bright);
  letter-spacing: 0.5px;
  word-break: break-all;
}
.popup-msg.ok { color: #8fe3a0; text-shadow: 0 0 10px rgba(143, 227, 160, 0.4); }
.popup-msg.warn { color: var(--gold-bright); }
.popup-msg.err { color: #ff9b8a; }

/* ---------- 手机窄屏适配：缩小尺寸，保证不换行、不溢出 ---------- */
@media (max-width: 400px) {
  .reserve-btn { padding: 12px 26px; }
  .reserve-btn-text { font-size: 19px; letter-spacing: 1px; }
  .star { font-size: 12px; }
  .popup { max-width: 320px; padding: 42px 16px 24px; }
  .popup-title { font-size: 23px; letter-spacing: 2px; }
  .popup-sub { font-size: 13px; }
  .phone-input { font-size: 16px; /* >=16px 防止 iOS 聚焦自动放大 */ }
  .submit-btn { letter-spacing: 3px; font-size: 16px; }
}