/* =========================================================
   门窗国补 · 助力抽转盘 H5
   设计坐标：887 × 1774（参考图），--u 为 1 设计单位
   ========================================================= */

:root {
  --page-w: min(100vw, 480px);
  --u: calc(var(--page-w) / 887);
  --sky-1: #2e7fe0;
  --sky-2: #64b5f9;
  --sky-3: #b9e4ff;
  --ink: #103c77;
  --ink-2: #2e5d99;
  --blue: #1478e8;
  --blue-deep: #0a51b3;
  --blue-light: #6cc8ff;
  --yellow: #ffd43b;
  --yellow-2: #fff07a;
  --red: #e62f1e;
  --red-deep: #a91309;
  --red-bright: #ff5847;
  --gold: #f6b93b;
  --gold-light: #ffe7a8;
  --gold-deep: #c57b12;
  --cream: #fff9f0;
  --cream-2: #fffdf8;
  --paper: #eff6fd;
  --text: #21456f;
  --muted: #7890aa;
  --font: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  background: #08254d;
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  overflow-x: hidden;
  background:
    radial-gradient(ellipse at 50% -10%, rgba(63, 157, 255, 0.55), transparent 58%),
    linear-gradient(180deg, #0b356c 0%, #061d3d 100%);
  color: var(--text);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.modal-open {
  overflow: hidden;
}

button,
a {
  font-family: inherit;
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
  cursor: pointer;
  touch-action: manipulation;
}

img,
svg {
  display: block;
}

img {
  max-width: 100%;
}

b,
strong {
  font-weight: 900;
}

.ambient {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 16% 18%, rgba(115, 198, 255, 0.16) 0 2px, transparent 3px),
    radial-gradient(circle at 82% 28%, rgba(255, 228, 130, 0.18) 0 2px, transparent 3px),
    radial-gradient(circle at 70% 74%, rgba(115, 198, 255, 0.12) 0 2px, transparent 3px);
  background-size: 190px 190px, 250px 250px, 320px 320px;
}

.app {
  position: relative;
  z-index: 1;
  width: var(--page-w);
  max-width: 480px;
  overflow: hidden;
  background: var(--paper);
  box-shadow: 0 0 calc(var(--u) * 110) rgba(0, 0, 0, 0.34);
  isolation: isolate;
}

.sr-only {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ========================= 顶部主视觉 ========================= */

.hero {
  position: relative;
  height: calc(var(--u) * 540);
  overflow: hidden;
  background: linear-gradient(180deg, #2d80e2 0%, #67b8fa 62%, #c8eaff 100%);
}

.hero__scene {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  user-select: none;
  pointer-events: none;
}

.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: calc(var(--u) * 90);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.22) 100%);
  pointer-events: none;
}

.hero__floor-glow {
  position: absolute;
  z-index: 1;
  left: 6%;
  right: 4%;
  bottom: calc(var(--u) * 10);
  height: calc(var(--u) * 120);
  background: radial-gradient(ellipse at 50% 60%, rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0) 66%);
  pointer-events: none;
}

.topbar {
  position: relative;
  z-index: 8;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: calc(var(--u) * 14);
  padding: calc(var(--u) * 26) calc(var(--u) * 40) 0 calc(var(--u) * 42);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: calc(var(--u) * 11);
  color: #fff;
  font-size: clamp(13px, calc(var(--u) * 34), 20px);
  font-weight: 800;
  letter-spacing: calc(var(--u) * 2);
  text-decoration: none;
  text-shadow: 0 calc(var(--u) * 4) calc(var(--u) * 8) rgba(10, 62, 130, 0.28);
  white-space: nowrap;
}

.brand__icon {
  width: calc(var(--u) * 50);
  height: calc(var(--u) * 46);
  flex: none;
  filter: drop-shadow(0 calc(var(--u) * 3) calc(var(--u) * 4) rgba(13, 72, 145, 0.2));
}

.topbar__pill {
  padding: calc(var(--u) * 11) calc(var(--u) * 23);
  border: calc(var(--u) * 1.5) solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0.1));
  box-shadow: inset 0 calc(var(--u) * 1.5) 0 rgba(255, 255, 255, 0.32);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: rgba(255, 255, 255, 0.96);
  font-size: clamp(9px, calc(var(--u) * 21), 12px);
  line-height: 1;
  letter-spacing: calc(var(--u) * 0.5);
  white-space: nowrap;
}

.hero__copy {
  position: absolute;
  z-index: 5;
  top: calc(var(--u) * 76);
  left: calc(var(--u) * 63);
  width: calc(var(--u) * 600);
}

.hero__title {
  display: block;
  width: calc(var(--u) * 620);
  height: calc(var(--u) * 215);
  margin: 0;
  overflow: visible;
  transform: skewX(-6deg);
  transform-origin: left bottom;
  filter:
    drop-shadow(0 calc(var(--u) * 8) 0 #0a52b4)
    drop-shadow(0 calc(var(--u) * 15) calc(var(--u) * 11) rgba(4, 42, 97, 0.32));
  animation: heroRise 0.7s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.hero__swoosh {
  position: absolute;
  z-index: -1;
  top: calc(var(--u) * 1);
  left: calc(var(--u) * 365);
  width: calc(var(--u) * 132);
  height: auto;
  filter: drop-shadow(0 calc(var(--u) * 4) calc(var(--u) * 5) rgba(17, 72, 143, 0.24));
  transform: rotate(-4deg);
}

.subsidy {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 6);
  width: max-content;
  height: calc(var(--u) * 58);
  margin: calc(var(--u) * 38) 0 0 calc(var(--u) * 24);
  padding: 0 calc(var(--u) * 22);
  border: calc(var(--u) * 2) solid rgba(255, 255, 255, 0.86);
  border-radius: 999px;
  background: linear-gradient(180deg, #46b2ff 0%, #1b84ed 46%, #0b62cf 100%);
  box-shadow:
    inset 0 calc(var(--u) * 2.5) 0 rgba(255, 255, 255, 0.45),
    inset 0 calc(var(--u) * -5) calc(var(--u) * 9) rgba(2, 56, 138, 0.3),
    0 calc(var(--u) * 9) calc(var(--u) * 20) rgba(5, 64, 151, 0.28);
  color: #fff;
  font-size: calc(var(--u) * 28);
  font-weight: 800;
  letter-spacing: calc(var(--u) * 0.5);
  transform: skewX(-5deg);
  white-space: nowrap;
  text-shadow: 0 calc(var(--u) * 2) calc(var(--u) * 4) rgba(5, 50, 125, 0.3);
}

.subsidy > span,
.subsidy > strong {
  display: inline-block;
  transform: skewX(5deg);
}

.subsidy strong {
  color: #ffe33f;
  font-size: calc(var(--u) * 47);
  font-weight: 900;
  line-height: 1;
  letter-spacing: calc(var(--u) * -1);
  text-shadow:
    0 calc(var(--u) * 2) 0 #c58700,
    0 calc(var(--u) * 5) calc(var(--u) * 7) rgba(64, 34, 0, 0.24);
}

.benefits {
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 13);
  width: calc(var(--u) * 520);
  margin: calc(var(--u) * 18) 0 0 calc(var(--u) * -10);
  padding: calc(var(--u) * 9) calc(var(--u) * 13);
  border: calc(var(--u) * 1) solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(8, 60, 132, 0.26) 0%, rgba(8, 60, 132, 0.1) 62%, rgba(8, 60, 132, 0.02) 100%);
  box-shadow: inset 0 calc(var(--u) * 1) 0 rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
  list-style: none;
}

.benefit {
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 9);
  flex: 1 1 0;
  min-width: 0;
  color: #fff;
  font-size: clamp(9px, calc(var(--u) * 20), 12px);
  font-weight: 700;
  line-height: 1.18;
  text-shadow:
    0 calc(var(--u) * 1) 0 rgba(4, 43, 100, 0.6),
    0 calc(var(--u) * 2) calc(var(--u) * 5) rgba(4, 43, 100, 0.48);
  white-space: nowrap;
}

.benefit svg {
  width: calc(var(--u) * 38);
  height: calc(var(--u) * 38);
  flex: none;
  filter: drop-shadow(0 calc(var(--u) * 2) calc(var(--u) * 3) rgba(3, 48, 117, 0.28));
}

.benefit em {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.86em;
  font-style: normal;
  font-weight: 500;
}

.mascot {
  position: absolute;
  z-index: 6;
  right: calc(var(--u) * 20);
  top: calc(var(--u) * 220);
  width: calc(var(--u) * 305);
  height: auto;
  filter: drop-shadow(-4px 12px 12px rgba(6, 52, 118, 0.2));
  animation: mascotFloat 5.6s ease-in-out infinite;
  pointer-events: none;
}

/* ========================= 抽奖卡片 ========================= */

.lottery {
  position: relative;
  z-index: 9;
  margin: calc(var(--u) * -17) calc(var(--u) * 25) 0;
  padding: calc(var(--u) * 116) calc(var(--u) * 36) calc(var(--u) * 25);
  border: calc(var(--u) * 1.5) solid rgba(255, 255, 255, 0.85);
  border-radius: calc(var(--u) * 30);
  background:
    radial-gradient(circle at 20% 6%, rgba(255, 225, 164, 0.2), transparent 26%),
    linear-gradient(180deg, #fffaf3 0%, #fff8ee 66%, #fffaf4 100%);
  box-shadow:
    0 calc(var(--u) * 20) calc(var(--u) * 46) rgba(16, 62, 123, 0.17),
    inset 0 0 0 calc(var(--u) * 1) rgba(255, 255, 255, 0.85);
}

.ribbon {
  position: absolute;
  z-index: 1;
  top: calc(var(--u) * -42);
  left: calc(var(--u) * 18);
  width: calc(100% - var(--u) * 36);
  height: calc(var(--u) * 192);
  pointer-events: none;
}

.ribbon img {
  width: 100%;
  height: 100%;
  object-fit: fill;
  filter: drop-shadow(0 calc(var(--u) * 9) calc(var(--u) * 12) rgba(121, 24, 8, 0.2));
}

.lottery__title {
  position: absolute;
  z-index: 2;
  top: calc(var(--u) * -1);
  left: 0;
  right: 0;
  margin: 0;
  color: #fff;
  font-size: calc(var(--u) * 71);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: calc(var(--u) * 5);
  text-align: center;
  text-indent: calc(var(--u) * 5);
  -webkit-text-stroke: calc(var(--u) * 2.5) #a71006;
  paint-order: stroke fill;
  background: linear-gradient(180deg, #fffef8 0%, #fff9df 55%, #ffe8a0 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  filter:
    drop-shadow(0 calc(var(--u) * 3) 0 #ffc44e)
    drop-shadow(0 calc(var(--u) * 7) 0 #8d0d04)
    drop-shadow(0 calc(var(--u) * 12) calc(var(--u) * 10) rgba(77, 7, 0, 0.32));
  transform: skewX(-3deg) rotate(-1deg);
  pointer-events: none;
}

.lottery__sub {
  position: relative;
  z-index: 7;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(var(--u) * 13);
  margin: 0;
  color: #b4462f;
  font-size: clamp(10px, calc(var(--u) * 25), 14px);
  font-weight: 600;
  letter-spacing: calc(var(--u) * 1);
  line-height: 1.2;
  text-align: center;
}

.lottery__sub strong {
  color: #ec3821;
  font-size: 1.28em;
  letter-spacing: 0;
}

.lottery__sub-line {
  position: relative;
  width: calc(var(--u) * 55);
  height: calc(var(--u) * 1.5);
  flex: none;
  border-radius: 999px;
  background: linear-gradient(90deg, transparent, rgba(200, 94, 61, 0.55));
}

.lottery__sub-line:last-child {
  transform: scaleX(-1);
}

.lottery__sub-line::after {
  content: "";
  position: absolute;
  right: calc(var(--u) * -5);
  top: calc(var(--u) * -2);
  width: calc(var(--u) * 5);
  height: calc(var(--u) * 5);
  border-radius: 50%;
  background: #d48b61;
  opacity: 0.7;
}

.chance-badge {
  position: absolute;
  z-index: 8;
  top: calc(var(--u) * 180);
  left: calc(var(--u) * 46);
  display: inline-flex;
  align-items: center;
  gap: calc(var(--u) * 7);
  padding: calc(var(--u) * 8) calc(var(--u) * 14);
  border: calc(var(--u) * 1.5) solid rgba(224, 174, 92, 0.58);
  border-radius: 999px;
  background: rgba(255, 253, 247, 0.88);
  box-shadow: 0 calc(var(--u) * 6) calc(var(--u) * 12) rgba(129, 82, 27, 0.12);
  color: #97653b;
  font-size: clamp(9px, calc(var(--u) * 19), 11px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.2px;
  white-space: nowrap;
  transition: background 0.25s, border-color 0.25s, opacity 0.25s;
}

.chance-badge b {
  margin: 0 1px;
  color: #e33b21;
  font-size: 1.35em;
}

.chance-badge__dot {
  width: calc(var(--u) * 7);
  height: calc(var(--u) * 7);
  border-radius: 50%;
  background: #4cc16b;
  box-shadow: 0 0 0 calc(var(--u) * 3) rgba(76, 193, 107, 0.16);
}

.chance-badge.is-empty {
  border-color: rgba(141, 128, 113, 0.34);
  background: rgba(246, 243, 237, 0.9);
  color: #958877;
}

.chance-badge.is-empty .chance-badge__dot {
  background: #b0a79a;
  box-shadow: none;
}

.wheel-wrap {
  position: relative;
  z-index: 4;
  width: calc(var(--u) * 580);
  max-width: 100%;
  height: calc(var(--u) * 510);
  margin: calc(var(--u) * -25) auto 0;
}

.wheel-mount {
  position: relative;
  width: 100%;
  touch-action: manipulation;
}

/* 参考图的轮盘带一点 3D 俯视压缩：纵向略扁，底座压扁后 CTA 刚好接在下方 */
.wheel-mount .lw-scene {
  transform: scaleY(0.88);
  transform-origin: top center;
}

.wheel-mount .lw-stand {
  transform: scaleY(0.55);
  transform-origin: top center;
}

.wheel-mount:empty::after {
  content: "转盘加载中…";
  display: grid;
  place-items: center;
  width: calc(var(--u) * 500);
  max-width: 100%;
  aspect-ratio: 1;
  margin: 0 auto;
  border-radius: 50%;
  background: #fff4dc;
  color: #b78a4a;
  font-size: 13px;
}

.wheel-deco {
  position: absolute;
  z-index: -1;
  width: calc(var(--u) * 74);
  height: calc(var(--u) * 188);
  border-radius: 999px;
  opacity: 0.78;
  pointer-events: none;
}

.wheel-deco--left {
  left: calc(var(--u) * -32);
  top: calc(var(--u) * 155);
  background:
    radial-gradient(ellipse at 70% 10%, #ffdca0 0 13%, transparent 14%),
    radial-gradient(ellipse at 30% 40%, #ffb062 0 10%, transparent 11%),
    linear-gradient(115deg, transparent 0 16%, #ffc777 17% 32%, #ff9b45 33% 47%, transparent 48% 100%);
  transform: rotate(18deg);
  filter: blur(0.4px);
}

.wheel-deco--right {
  right: calc(var(--u) * -26);
  top: calc(var(--u) * 160);
  transform: rotate(-25deg) scale(0.9);
  background:
    radial-gradient(ellipse at 45% 10%, #ffdca0 0 13%, transparent 14%),
    radial-gradient(ellipse at 66% 44%, #ffb062 0 10%, transparent 11%),
    linear-gradient(115deg, transparent 0 16%, #ffc777 17% 32%, #ff9b45 33% 47%, transparent 48% 100%);
}

.sticky-note {
  position: absolute;
  z-index: 12;
  top: calc(var(--u) * 26);
  right: calc(var(--u) * -100);
  width: calc(var(--u) * 172);
  min-height: calc(var(--u) * 164);
  padding: calc(var(--u) * 27) calc(var(--u) * 12) calc(var(--u) * 20);
  border: 0;
  background: linear-gradient(150deg, #fffbd8 0%, #fff2ae 55%, #ffe88d 100%);
  box-shadow:
    0 calc(var(--u) * 7) calc(var(--u) * 14) rgba(131, 87, 17, 0.18),
    inset 0 0 calc(var(--u) * 18) rgba(255, 255, 255, 0.6);
  color: #8b591f;
  font-family: var(--font);
  font-size: clamp(9px, calc(var(--u) * 23), 13px);
  font-weight: 800;
  line-height: 1.42;
  letter-spacing: 1px;
  text-align: center;
  transform: rotate(6deg);
  transition: transform 0.25s ease;
}

.sticky-note::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: calc(var(--u) * 25);
  height: calc(var(--u) * 25);
  background: linear-gradient(135deg, transparent 0 48%, rgba(182, 126, 34, 0.18) 49% 100%);
  border-radius: 0 0 calc(var(--u) * 8) 0;
}

.sticky-note:active {
  transform: rotate(4deg) scale(0.97);
}

.sticky-note__tape {
  position: absolute;
  top: calc(var(--u) * -11);
  left: 50%;
  width: calc(var(--u) * 66);
  height: calc(var(--u) * 25);
  background: rgba(255, 255, 255, 0.45);
  box-shadow: 0 1px 2px rgba(120, 79, 19, 0.08);
  transform: translateX(-50%) rotate(-3deg);
}

.sticky-note__arrow {
  position: absolute;
  left: calc(var(--u) * -55);
  bottom: calc(var(--u) * -27);
  width: calc(var(--u) * 93);
  height: auto;
  opacity: 0.84;
  transform: rotate(5deg);
}

.cta {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(var(--u) * 15);
  width: calc(var(--u) * 472);
  max-width: 94%;
  height: calc(var(--u) * 86);
  margin: calc(var(--u) * 17) auto 0;
  padding: 0 calc(var(--u) * 18);
  border: calc(var(--u) * 2) solid rgba(255, 255, 255, 0.55);
  border-radius: calc(var(--u) * 44);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.4) 0%, rgba(255, 255, 255, 0) 32%),
    linear-gradient(180deg, #ff6c56 0%, #f13825 42%, #d51c10 100%);
  box-shadow:
    inset 0 calc(var(--u) * -7) calc(var(--u) * 12) rgba(128, 10, 2, 0.28),
    inset 0 calc(var(--u) * 3) calc(var(--u) * 4) rgba(255, 255, 255, 0.42),
    0 calc(var(--u) * 12) calc(var(--u) * 20) rgba(164, 34, 15, 0.3);
  color: #fff;
  font-size: calc(var(--u) * 35);
  font-weight: 900;
  letter-spacing: calc(var(--u) * 1.5);
  text-shadow: 0 calc(var(--u) * 2) calc(var(--u) * 4) rgba(119, 16, 4, 0.34);
  transition: transform 0.16s ease, filter 0.2s ease, opacity 0.2s ease;
  animation: ctaBreathe 3.2s ease-in-out infinite;
}

.cta::after {
  content: "";
  position: absolute;
  inset: calc(var(--u) * 7) calc(var(--u) * 22);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.24), transparent 62%);
  pointer-events: none;
}

.cta:active {
  transform: scale(0.975);
  filter: brightness(1.03);
}

.cta:disabled {
  cursor: not-allowed;
  filter: grayscale(0.18) saturate(0.7);
  opacity: 0.72;
  animation: none;
  transform: none;
}

.cta__glow {
  position: absolute;
  top: calc(var(--u) * -24);
  left: 20%;
  width: 60%;
  height: calc(var(--u) * 38);
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(255, 255, 255, 0.32), transparent 70%);
  pointer-events: none;
}

.cta__people,
.cta__chevron {
  position: relative;
  z-index: 1;
  flex: none;
  filter: drop-shadow(0 2px 2px rgba(117, 16, 5, 0.2));
}

.cta__people {
  width: calc(var(--u) * 52);
  height: auto;
}

.cta__chevron {
  width: calc(var(--u) * 18);
  height: auto;
}

.cta__text {
  position: relative;
  z-index: 1;
  white-space: nowrap;
}

.cta.is-spinning .cta__text::after {
  content: "";
  display: inline-block;
  width: 1.15em;
  text-align: left;
  animation: loadingDots 1.1s steps(4, end) infinite;
}

.lottery__meta {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: calc(var(--u) * 15);
  min-height: calc(var(--u) * 30);
}

.participants {
  margin: 0;
  color: #8c969f;
  font-size: clamp(9px, calc(var(--u) * 20), 11px);
  letter-spacing: calc(var(--u) * 0.4);
  text-align: center;
}

.participants b {
  color: #dd5b39;
  font-size: 1.18em;
  font-variant-numeric: tabular-nums;
}

.my-prizes {
  position: absolute;
  right: calc(var(--u) * 4);
  top: 50%;
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: calc(var(--u) * 5) calc(var(--u) * 9);
  border: 1px solid rgba(196, 158, 101, 0.36);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.56);
  color: #a27d52;
  font-size: clamp(8px, calc(var(--u) * 16), 10px);
  line-height: 1;
  transform: translateY(-50%);
}

.my-prizes span {
  display: inline-grid;
  place-items: center;
  min-width: calc(var(--u) * 17);
  height: calc(var(--u) * 17);
  margin-left: 2px;
  padding: 0 3px;
  border-radius: 999px;
  background: #e95a3c;
  color: #fff;
  font-size: 0.92em;
  font-weight: 700;
}

.my-prizes[hidden] {
  display: none;
}

.lottery__rule {
  margin: calc(var(--u) * 4) 0 0;
  color: #c0a98d;
  font-size: clamp(8px, calc(var(--u) * 16), 10px);
  letter-spacing: calc(var(--u) * 0.4);
  text-align: center;
}

/* ========================= 适用范围 ========================= */

.scope {
  position: relative;
  margin: calc(var(--u) * 22) calc(var(--u) * 25) 0;
  padding: calc(var(--u) * 78) calc(var(--u) * 17) calc(var(--u) * 27);
  border: calc(var(--u) * 1.5) solid rgba(255, 255, 255, 0.9);
  border-radius: calc(var(--u) * 30);
  background:
    radial-gradient(circle at 50% 0, rgba(255, 255, 255, 0.9), transparent 55%),
    linear-gradient(180deg, #f9fdff 0%, #edf6ff 100%);
  box-shadow: 0 calc(var(--u) * 16) calc(var(--u) * 36) rgba(32, 96, 160, 0.12);
}

.scope__banner {
  position: absolute;
  z-index: 4;
  top: calc(var(--u) * -21);
  left: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  width: calc(var(--u) * 386);
  height: calc(var(--u) * 66);
  padding: 0 calc(var(--u) * 30);
  border-radius: calc(var(--u) * 8);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.32), transparent 42%),
    linear-gradient(180deg, #5ab9ff 0%, #1d83e5 55%, #0d68cd 100%);
  box-shadow:
    inset 0 0 0 calc(var(--u) * 1.5) rgba(255, 255, 255, 0.4),
    0 calc(var(--u) * 7) calc(var(--u) * 14) rgba(10, 84, 170, 0.24);
  transform: translateX(-50%);
}

.scope__banner::before,
.scope__banner::after {
  content: "";
  position: absolute;
  z-index: -1;
  top: calc(var(--u) * 13);
  width: calc(var(--u) * 54);
  height: calc(var(--u) * 48);
  background: linear-gradient(180deg, #2d90e9, #0960c4);
  clip-path: polygon(0 0, 100% 0, 80% 50%, 100% 100%, 0 100%, 20% 50%);
}

.scope__banner::before {
  left: calc(var(--u) * -30);
}

.scope__banner::after {
  right: calc(var(--u) * -30);
  transform: scaleX(-1);
}

.scope__banner h2 {
  margin: 0;
  color: #fff;
  font-size: calc(var(--u) * 33);
  font-weight: 900;
  letter-spacing: calc(var(--u) * 3);
  text-indent: calc(var(--u) * 3);
  text-shadow: 0 calc(var(--u) * 2) calc(var(--u) * 3) rgba(3, 61, 131, 0.35);
}

.scope__banner-tail {
  display: none;
}

.products {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: calc(var(--u) * 10);
}

.product {
  min-width: 0;
  text-align: center;
}

.product__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  aspect-ratio: 210 / 150;
  border: calc(var(--u) * 2) solid #fff;
  border-radius: calc(var(--u) * 12);
  background: #e7eff7;
  box-shadow: 0 calc(var(--u) * 5) calc(var(--u) * 11) rgba(32, 78, 130, 0.13);
}

.product__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.product__media::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.18), transparent 45%, rgba(11, 55, 103, 0.06));
  pointer-events: none;
}

.product:active .product__media img {
  transform: scale(1.04);
}

.product h3 {
  margin: calc(var(--u) * 9) 0 0;
  overflow: hidden;
  color: #20558f;
  font-size: clamp(9px, calc(var(--u) * 23), 13px);
  font-weight: 800;
  letter-spacing: calc(var(--u) * 0.2);
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.product p {
  margin: calc(var(--u) * 4) 0 0;
  overflow: hidden;
  color: #869bb1;
  font-size: clamp(8px, calc(var(--u) * 17), 10px);
  letter-spacing: calc(var(--u) * 0.1);
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ========================= 页脚 ========================= */

.footer {
  position: relative;
  z-index: 2;
  height: calc(var(--u) * 190);
  margin-top: calc(var(--u) * 30);
  overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 120%, rgba(155, 220, 255, 0.66), transparent 58%),
    linear-gradient(180deg, #8acdfb 0%, #4a9ded 46%, #1768cb 100%);
}

.footer__wave {
  position: absolute;
  top: calc(var(--u) * -1);
  left: 0;
  width: 100%;
  height: calc(var(--u) * 48);
  opacity: 0.95;
}

.footer::before,
.footer::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  pointer-events: none;
}

.footer::before {
  width: calc(var(--u) * 240);
  height: calc(var(--u) * 240);
  left: calc(var(--u) * -100);
  bottom: calc(var(--u) * -160);
}

.footer::after {
  width: calc(var(--u) * 300);
  height: calc(var(--u) * 300);
  right: calc(var(--u) * -160);
  bottom: calc(var(--u) * -205);
}

.footer__inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(var(--u) * 16);
  height: 100%;
  padding-bottom: calc(var(--u) * 10);
}

.footer__line {
  width: calc(var(--u) * 84);
  height: calc(var(--u) * 1);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.68));
}

.footer__line:last-child {
  transform: scaleX(-1);
}

.footer h2 {
  margin: 0;
  color: #fff;
  font-family: "STKaiti", "KaiTi", "FangSong", var(--font);
  font-size: calc(var(--u) * 37);
  font-weight: 500;
  letter-spacing: calc(var(--u) * 6);
  text-indent: calc(var(--u) * 6);
  text-shadow: 0 calc(var(--u) * 3) calc(var(--u) * 8) rgba(5, 60, 130, 0.28);
  white-space: nowrap;
}

.footer__note {
  position: absolute;
  z-index: 2;
  left: 0;
  right: 0;
  bottom: calc(var(--u) * 27);
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: clamp(8px, calc(var(--u) * 16), 10px);
  letter-spacing: calc(var(--u) * 3);
  text-align: center;
}

/* ========================= 弹窗 ========================= */

.modal {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.24s ease, visibility 0.24s ease;
}

.modal.is-open {
  visibility: visible;
  opacity: 1;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 35, 73, 0.62);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.result-card,
.prizes-card {
  position: relative;
  z-index: 2;
  width: min(calc(var(--u) * 650), calc(100vw - 48px));
  max-height: min(78vh, 620px);
  overflow: visible;
  padding: calc(var(--u) * 64) calc(var(--u) * 38) calc(var(--u) * 34);
  border: calc(var(--u) * 2) solid rgba(255, 224, 153, 0.9);
  border-radius: calc(var(--u) * 30);
  background:
    radial-gradient(circle at 50% 0, rgba(255, 230, 168, 0.38), transparent 46%),
    linear-gradient(180deg, #fffdf6 0%, #fff8e9 100%);
  box-shadow:
    0 calc(var(--u) * 24) calc(var(--u) * 60) rgba(4, 27, 59, 0.4),
    inset 0 0 0 calc(var(--u) * 5) rgba(255, 255, 255, 0.7);
  transform: translateY(18px) scale(0.94);
  transition: transform 0.3s cubic-bezier(0.2, 1.2, 0.35, 1);
}

.modal.is-open .result-card,
.modal.is-open .prizes-card {
  transform: translateY(0) scale(1);
}

.result-card__ribbon {
  position: absolute;
  top: calc(var(--u) * -18);
  left: 50%;
  display: grid;
  place-items: center;
  width: calc(var(--u) * 300);
  height: calc(var(--u) * 64);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.28), transparent 45%),
    linear-gradient(180deg, #ff6b50, #d82213);
  clip-path: polygon(0 0, 100% 0, 92% 50%, 100% 100%, 0 100%, 8% 50%);
  color: #fff;
  font-size: calc(var(--u) * 29);
  font-weight: 900;
  letter-spacing: calc(var(--u) * 4);
  text-indent: calc(var(--u) * 4);
  text-shadow: 0 calc(var(--u) * 2) calc(var(--u) * 4) rgba(119, 12, 2, 0.3);
  transform: translateX(-50%);
}

.result-card__icon {
  display: grid;
  place-items: center;
  width: calc(var(--u) * 150);
  height: calc(var(--u) * 150);
  margin: 0 auto calc(var(--u) * 18);
  border: calc(var(--u) * 5) solid #fff;
  border-radius: 50%;
  background: linear-gradient(150deg, #ffdf8b, #f0aa2f);
  box-shadow:
    0 calc(var(--u) * 11) calc(var(--u) * 22) rgba(157, 89, 5, 0.28),
    inset 0 0 0 calc(var(--u) * 4) rgba(255, 249, 225, 0.65);
  color: #fff;
}

.result-card__icon svg {
  width: 58%;
  height: 58%;
  filter: drop-shadow(0 calc(var(--u) * 3) calc(var(--u) * 4) rgba(120, 55, 2, 0.2));
}

.result-card__icon[data-type="coupon"] {
  background: linear-gradient(150deg, #ff9875, #e84326);
}

.result-card__icon[data-type="cash"] {
  background: linear-gradient(150deg, #ff7d66, #cf1608);
}

.result-card__icon[data-type="measure"] {
  background: linear-gradient(150deg, #78c5ff, #187edc);
}

.result-card__icon[data-type="product"] {
  background: linear-gradient(150deg, #9fd2ff, #3687de);
}

.result-card__eyebrow {
  margin: 0 0 calc(var(--u) * 6);
  color: #c48739;
  font-size: clamp(9px, calc(var(--u) * 20), 12px);
  font-weight: 700;
  letter-spacing: calc(var(--u) * 3);
  text-align: center;
}

.result-card__name {
  margin: 0;
  color: #9c2716;
  font-size: clamp(18px, calc(var(--u) * 45), 28px);
  font-weight: 900;
  letter-spacing: 1px;
  line-height: 1.25;
  text-align: center;
}

.result-card__desc {
  margin: calc(var(--u) * 10) auto 0;
  max-width: 92%;
  color: #886e53;
  font-size: clamp(11px, calc(var(--u) * 23), 14px);
  line-height: 1.6;
  text-align: center;
}

.result-card__chance {
  display: block;
  width: max-content;
  max-width: 100%;
  margin: calc(var(--u) * 17) auto 0;
  padding: calc(var(--u) * 7) calc(var(--u) * 16);
  border-radius: 999px;
  background: rgba(244, 194, 88, 0.18);
  color: #a16617;
  font-size: clamp(10px, calc(var(--u) * 20), 12px);
  text-align: center;
}

.result-card__actions {
  display: flex;
  gap: calc(var(--u) * 12);
  margin-top: calc(var(--u) * 22);
}

.result-btn {
  flex: 1 1 0;
  min-height: calc(var(--u) * 74);
  padding: calc(var(--u) * 10) calc(var(--u) * 10);
  border-radius: calc(var(--u) * 38);
  font-size: clamp(12px, calc(var(--u) * 25), 15px);
  font-weight: 800;
  letter-spacing: 0.5px;
  transition: transform 0.15s ease, filter 0.2s ease;
}

.result-btn:active {
  transform: scale(0.97);
}

.result-btn[hidden] {
  display: none;
}

.result-btn--primary {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.32), transparent 40%),
    linear-gradient(180deg, #ff6a52, #e02b1a 70%, #c3190b);
  box-shadow:
    inset 0 calc(var(--u) * -5) calc(var(--u) * 9) rgba(111, 12, 3, 0.24),
    0 calc(var(--u) * 8) calc(var(--u) * 14) rgba(159, 36, 17, 0.26);
  color: #fff;
  text-shadow: 0 1px 2px rgba(113, 13, 4, 0.28);
}

.result-btn--primary:disabled {
  filter: grayscale(0.6);
  opacity: 0.6;
  cursor: not-allowed;
}

.result-btn--ghost {
  border: calc(var(--u) * 1.5) solid rgba(209, 164, 91, 0.7);
  background: rgba(255, 252, 243, 0.82);
  color: #a36b2c;
}

.result-card__share {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: calc(var(--u) * 6);
  width: max-content;
  max-width: 100%;
  margin: calc(var(--u) * 18) auto 0;
  padding: calc(var(--u) * 4) calc(var(--u) * 9);
  background: transparent;
  color: #ac8b62;
  font-size: clamp(9px, calc(var(--u) * 18), 11px);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.result-card__share svg {
  width: calc(var(--u) * 22);
  height: auto;
}

.prizes-card {
  width: min(calc(var(--u) * 690), calc(100vw - 40px));
  padding: calc(var(--u) * 36) calc(var(--u) * 32) calc(var(--u) * 30);
}

.prizes-card h2 {
  margin: 0;
  color: #9a2f1c;
  font-size: clamp(19px, calc(var(--u) * 40), 25px);
  font-weight: 900;
  letter-spacing: 2px;
  text-align: center;
}

.prizes-card__hint {
  margin: calc(var(--u) * 9) 0 calc(var(--u) * 18);
  color: #9e8061;
  font-size: clamp(10px, calc(var(--u) * 20), 12px);
  line-height: 1.5;
  text-align: center;
}

.prizes-card__list {
  display: flex;
  flex-direction: column;
  gap: calc(var(--u) * 10);
  margin-bottom: calc(var(--u) * 20);
  max-height: calc(var(--u) * 430);
  overflow-y: auto;
}

.prizes-card__empty {
  padding: calc(var(--u) * 30) 0;
  color: #b19b84;
  font-size: clamp(11px, calc(var(--u) * 22), 13px);
  text-align: center;
}

.prize-row {
  display: flex;
  align-items: center;
  gap: calc(var(--u) * 12);
  padding: calc(var(--u) * 11);
  border: 1px solid rgba(218, 182, 126, 0.4);
  border-radius: calc(var(--u) * 14);
  background: rgba(255, 255, 255, 0.72);
}

.prize-row__icon {
  display: grid;
  place-items: center;
  width: calc(var(--u) * 54);
  height: calc(var(--u) * 54);
  flex: none;
  border-radius: 50%;
  background: linear-gradient(150deg, #ffdf8b, #eda526);
  color: #fff;
}

.prize-row__icon svg {
  width: 62%;
  height: 62%;
}

.prize-row__icon[data-type="coupon"] {
  background: linear-gradient(150deg, #ff9875, #e84326);
}

.prize-row__icon[data-type="cash"] {
  background: linear-gradient(150deg, #ff7d66, #cf1608);
}

.prize-row__icon[data-type="measure"] {
  background: linear-gradient(150deg, #78c5ff, #187edc);
}

.prize-row__icon[data-type="product"] {
  background: linear-gradient(150deg, #9fd2ff, #3687de);
}

.prize-row__body {
  min-width: 0;
  flex: 1;
}

.prize-row__name {
  margin: 0;
  overflow: hidden;
  color: #7a4424;
  font-size: clamp(11px, calc(var(--u) * 22), 13px);
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.prize-row__time {
  margin: 3px 0 0;
  color: #b39a80;
  font-size: clamp(8px, calc(var(--u) * 16), 10px);
}

.prizes-card .result-btn--primary {
  display: block;
  width: 100%;
  min-height: calc(var(--u) * 70);
}

/* ========================= 轻提示 & 彩纸 ========================= */

.toast {
  position: fixed;
  z-index: 160;
  left: 50%;
  bottom: max(28px, env(safe-area-inset-bottom, 0px));
  max-width: min(86vw, 360px);
  padding: 11px 18px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(11, 35, 64, 0.88);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
  color: #fff;
  font-size: 13px;
  line-height: 1.35;
  text-align: center;
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 10px);
  transition: opacity 0.22s ease, transform 0.22s ease, visibility 0.22s;
  pointer-events: none;
}

.toast.is-show {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, 0);
}

.confetti-canvas {
  position: fixed;
  z-index: 150;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.noscript {
  position: fixed;
  z-index: 300;
  left: 20px;
  right: 20px;
  bottom: 20px;
  padding: 14px;
  border-radius: 12px;
  background: #fff3d5;
  color: #714c1b;
  font: 14px/1.5 var(--font);
  text-align: center;
}

/* ========================= 动画 ========================= */

@keyframes heroRise {
  from {
    opacity: 0;
    transform: translateY(22px) skewX(-6deg);
  }
  to {
    opacity: 1;
    transform: translateY(0) skewX(-6deg);
  }
}

@keyframes mascotFloat {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(calc(var(--u) * -7)) rotate(-0.6deg);
  }
}

@keyframes ctaBreathe {
  0%,
  100% {
    box-shadow:
      inset 0 calc(var(--u) * -7) calc(var(--u) * 12) rgba(128, 10, 2, 0.28),
      inset 0 calc(var(--u) * 3) calc(var(--u) * 4) rgba(255, 255, 255, 0.42),
      0 calc(var(--u) * 12) calc(var(--u) * 20) rgba(164, 34, 15, 0.3);
  }
  50% {
    box-shadow:
      inset 0 calc(var(--u) * -7) calc(var(--u) * 12) rgba(128, 10, 2, 0.28),
      inset 0 calc(var(--u) * 3) calc(var(--u) * 4) rgba(255, 255, 255, 0.42),
      0 calc(var(--u) * 12) calc(var(--u) * 26) rgba(221, 58, 31, 0.45);
  }
}

@keyframes loadingDots {
  0% {
    content: "";
  }
  25% {
    content: "·";
  }
  50% {
    content: "··";
  }
  75%,
  100% {
    content: "···";
  }
}

/* ========================= 响应式 ========================= */

@media (min-width: 520px) {
  body {
    padding: 24px 0;
  }

  .app {
    border-radius: 24px;
  }

  .ambient {
    opacity: 0.9;
  }
}

@media (max-width: 350px) {
  .topbar {
    gap: 6px;
    padding-left: calc(var(--u) * 28);
    padding-right: calc(var(--u) * 24);
  }

  .topbar__pill {
    letter-spacing: 0;
    padding-left: calc(var(--u) * 14);
    padding-right: calc(var(--u) * 14);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
  }

  .hero__title,
  .subsidy,
  .benefits,
  .cta {
    animation: none;
  }

  .mascot {
    animation: none;
  }
}