/* =========================================================
   2026 世界人形机器人田径大赛 · 落地页样式
   设计语言：雨夜 F1 赛道 · 冷蓝电光 · 霓虹紫雾
   ========================================================= */

:root {
  /* 背景：深邃暗夜极蓝 */
  --bg: #0a0f1d;
  --bg-deep: #05070e;
  --bg-elevated: #0f1630;

  /* 玻璃拟态卡片 */
  --card: rgba(18, 26, 48, 0.55);
  --card-strong: rgba(10, 15, 29, 0.72);
  --card-solid: #0c1226;

  /* 描边 / 高光 */
  --line: rgba(0, 242, 254, 0.16);
  --line-strong: rgba(0, 242, 254, 0.5);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-hi: rgba(255, 255, 255, 0.08);

  /* 主色 */
  --cyan: #00f2fe;
  --cyan-soft: #4cc9ff;
  --purple: #7928ca;       /* 更深沉的硬件发布会紫 */
  --purple-soft: #a855f7;  /* 仅用于渐变副色/边缘微光 */

  /* CTA：极光荧光粉 → 电红 */
  --cta-1: #ff0080;
  --cta-2: #ff4d4d;
  --cta-glow: rgba(255, 0, 128, 0.55);

  /* 保留语义别名 */
  --yellow: #ff0080;
  --orange: #ff4d4d;
  --red: #ff0080;

  /* 文本 */
  --text: #f1f5f9;
  --text-2: #94a3b8;
  --text-3: #64748b;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-deep);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

.font-display {
  font-family: "Orbitron", "Inter", sans-serif;
  letter-spacing: 0.02em;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }

/* ===== 全局背景：深邃暗夜极蓝渐变 ===== */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(1100px 600px at 82% -8%, rgba(121, 40, 202, 0.22), transparent 60%),
    radial-gradient(900px 500px at 12% 18%, rgba(0, 242, 254, 0.14), transparent 60%),
    radial-gradient(700px 500px at 50% 120%, rgba(255, 0, 128, 0.1), transparent 60%),
    linear-gradient(180deg, #0a0f1d 0%, #06091a 55%, #05070e 100%);
}

/* ===== 容器 ===== */
.container {
  width: min(1200px, 92vw);
  margin: 0 auto;
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}
.hero-bg video,
.hero-fallback-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-bg video {
  object-position: center 35%;
  filter: saturate(1.1) contrast(1.08) brightness(0.82);
}
.hero-fallback-img {
  filter: saturate(1.05) contrast(1.08) brightness(0.7);
  z-index: 0;
}
.hero-fallback {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(circle at 28% 40%, rgba(0, 242, 254, 0.1), transparent 55%),
    radial-gradient(circle at 78% 62%, rgba(121, 40, 202, 0.22), transparent 55%);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background:
    linear-gradient(to bottom, rgba(10, 15, 29, 0.3) 0%, rgba(10, 15, 29, 0.55) 45%, rgba(10, 15, 29, 0.92) 100%),
    radial-gradient(ellipse at center, transparent 0%, rgba(5, 7, 14, 0.45) 55%, rgba(5, 7, 14, 0.92) 100%);
  pointer-events: none;
}

/* 透视网格地面 */
.hero-grid {
  position: absolute;
  left: 50%;
  bottom: -10%;
  width: 200%;
  height: 55%;
  transform: translateX(-50%) perspective(600px) rotateX(62deg);
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: linear-gradient(to top, #000 0%, transparent 80%);
  -webkit-mask-image: linear-gradient(to top, #000 0%, transparent 80%);
  opacity: 0.55;
  animation: gridShift 18s linear infinite;
  z-index: -1;
  pointer-events: none;
}
@keyframes gridShift {
  from { background-position: 0 0, 0 0; }
  to   { background-position: 0 60px, 60px 0; }
}

/* 扫描线 */
.hero-scanline {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.025) 0px,
    rgba(255, 255, 255, 0.025) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: -1;
  mix-blend-mode: overlay;
}
.hero-scanline::after {
  content: "";
  position: absolute;
  left: 0; right: 0;
  height: 140px;
  background: linear-gradient(to bottom, transparent, rgba(0, 242, 254, 0.08), transparent);
  animation: scan 7s var(--ease) infinite;
}
@keyframes scan {
  0%   { top: -140px; }
  100% { top: 100%; }
}

#particles {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}

/* ===== Header ===== */
.header {
  position: relative;
  z-index: 5;
  padding: 22px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  position: relative;
  background:
    linear-gradient(135deg, rgba(0, 242, 254, 0.18), rgba(121, 40, 202, 0.22));
  border: 1px solid rgba(0, 242, 254, 0.4);
  display: grid;
  place-items: center;
  box-shadow:
    0 0 24px rgba(0, 242, 254, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 0 18px rgba(0, 242, 254, 0.12);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.logo-mark svg { width: 24px; height: 24px; }
.logo-text .t1 {
  font-family: "Orbitron", sans-serif;
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.12em;
  color: var(--text);
  line-height: 1;
}
.logo-text .t2 {
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.3em;
  margin-top: 4px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav a {
  font-size: 13px;
  color: var(--text-2);
  letter-spacing: 0.08em;
  position: relative;
  transition: color 0.3s var(--ease);
}
.nav a:hover { color: var(--cyan); }
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 0; height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  transition: width 0.3s var(--ease);
}
.nav a:hover::after { width: 100%; }

.nav-cta {
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #fff;
  background: linear-gradient(135deg, var(--cta-1), var(--cta-2));
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow:
    0 0 0 1px rgba(255, 0, 128, 0.25),
    0 8px 24px rgba(255, 0, 128, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 0 1px rgba(255, 0, 128, 0.5),
    0 12px 30px rgba(255, 0, 128, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.nav-toggle { display: none; }

/* ===== HUD 角标 ===== */
.hud {
  position: absolute;
  font-family: "Orbitron", monospace;
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--cyan);
  opacity: 0.75;
  text-transform: uppercase;
  z-index: 2;
}
.hud::before, .hud::after {
  content: "";
  position: absolute;
  width: 14px; height: 14px;
  border-color: var(--cyan);
}
.hud-tl { top: 100px; left: max(24px, 4vw); }
.hud-tl::before { top: -8px; left: -8px; border-top: 1px solid; border-left: 1px solid; }
.hud-br { bottom: 140px; right: max(24px, 4vw); text-align: right; color: var(--purple-soft); }
.hud-br::before, .hud-br::after { border-color: var(--purple-soft); }
.hud-br::before {
  bottom: -8px; right: -8px;
  border-bottom: 1px solid; border-right: 1px solid;
  width: 14px; height: 14px;
}
.hud .dot {
  display: inline-block; width: 6px; height: 6px; border-radius: 50%;
  background: var(--red); margin-right: 6px; vertical-align: middle;
  box-shadow: 0 0 10px var(--red);
  animation: blink 1.4s ease-in-out infinite;
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.25} }

/* ===== Hero 内容（左右分栏） ===== */
.hero-main {
  flex: 1;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  align-items: center;
  gap: 48px;
  padding: 40px 0 60px;
  position: relative;
  z-index: 3;
}
.hero-left { min-width: 0; }

/* 首屏右侧：真实赛事视频卡 */
.hero-films {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.hero-films-label {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: "Orbitron", sans-serif;
  font-size: 11px;
  letter-spacing: 0.26em;
  color: var(--cyan);
  padding: 0 4px;
}
.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cta-1, #ff0080);
  box-shadow: 0 0 10px rgba(255, 0, 128, 0.9);
  animation: blink 1.4s ease-in-out infinite;
}
.hero-film {
  text-align: left;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: linear-gradient(135deg, rgba(18, 26, 48, 0.6), rgba(10, 15, 29, 0.72));
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 20px 50px rgba(0, 0, 0, 0.5);
  transition: transform 0.35s var(--ease), border-color 0.35s var(--ease), box-shadow 0.35s var(--ease);
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) forwards;
}
.hero-film:nth-of-type(2) { animation-delay: 0.75s; }
.hero-film:nth-of-type(3) { animation-delay: 0.9s; }
.hero-film:hover {
  transform: translateY(-5px);
  border-color: rgba(0, 242, 254, 0.5);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 26px 60px rgba(0, 0, 0, 0.6),
    0 0 34px rgba(0, 242, 254, 0.22);
}
.hero-film-thumb {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.hero-film-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease), filter 0.5s var(--ease);
  filter: saturate(1.05) contrast(1.05);
}
.hero-film:hover .hero-film-thumb img {
  transform: scale(1.06);
  filter: saturate(1.18) contrast(1.1) brightness(1.05);
}
.hero-film-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(5, 7, 14, 0.72) 0%, rgba(5, 7, 14, 0.08) 45%, transparent 100%);
}
.hf-play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  background: radial-gradient(circle, rgba(255, 0, 128, 0.92), rgba(255, 77, 77, 0.82));
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: 0 0 0 1px rgba(255, 0, 128, 0.5), 0 0 30px rgba(255, 0, 128, 0.6);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.hf-play i { margin-left: 3px; }
.hero-film:hover .hf-play {
  transform: translate(-50%, -50%) scale(1.12);
  box-shadow: 0 0 0 1px rgba(255, 0, 128, 0.8), 0 0 44px rgba(255, 77, 77, 0.8);
}
.hero-film-info {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "no tag"
    "no name"
    "meta meta";
  column-gap: 12px;
  align-items: center;
  padding: 12px 16px 14px;
}
.hf-no {
  grid-area: no;
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--cyan), var(--purple-soft));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hf-tag {
  grid-area: tag;
  font-family: "Orbitron", sans-serif;
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--cyan);
  border: 1px solid rgba(0, 242, 254, 0.35);
  border-radius: 4px;
  padding: 3px 8px;
  width: fit-content;
}
.hf-name {
  grid-area: name;
  font-size: 15px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.02em;
  margin-top: 6px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hf-meta {
  grid-area: meta;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: 0.04em;
}
.hf-meta i { color: var(--cta-1, #ff0080); margin-right: 6px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  border: 1px solid rgba(0, 242, 254, 0.35);
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.08), rgba(121, 40, 202, 0.06));
  font-family: "Orbitron", sans-serif;
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--cyan);
  width: fit-content;
  margin-bottom: 28px;
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  opacity: 0;
  animation: fadeUp 0.9s var(--ease) 0.1s forwards;
}
.hero-eyebrow .bar {
  width: 28px; height: 2px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.hero h1 {
  font-family: "Orbitron", "Inter", sans-serif;
  font-weight: 900;
  font-size: clamp(34px, 4.2vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin: 0 0 22px;
  max-width: 620px;
}
.hero h1 .line {
  display: block;
  opacity: 0;
  transform: translateY(28px);
  animation: fadeUp 1s var(--ease) forwards;
}
.hero h1 .line:nth-child(1) { animation-delay: 0.25s; }
.hero h1 .line:nth-child(2) { animation-delay: 0.45s; }
.hero h1 .line:nth-child(3) { animation-delay: 0.65s; }

.gradient-text {
  background: linear-gradient(90deg, var(--cyan) 0%, #7adfff 35%, var(--purple-soft) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  text-shadow: 0 0 60px rgba(0, 242, 254, 0.25);
}

.hero-sub {
  font-size: clamp(15px, 1.3vw, 19px);
  line-height: 1.7;
  color: var(--text-2);
  max-width: 640px;
  margin: 0 0 38px;
  opacity: 0;
  animation: fadeUp 1s var(--ease) 0.9s forwards;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  opacity: 0;
  animation: fadeUp 1s var(--ease) 1.05s forwards;
}
@keyframes fadeUp {
  to { opacity: 1; transform: translateY(0); }
}

/* CTA 按钮 —— 极光荧光粉 → 电红 */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 30px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.08em;
  border-radius: 10px;
  overflow: hidden;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
  will-change: transform;
}
.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--cta-1) 0%, #d1006a 45%, var(--cta-2) 100%);
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow:
    0 0 0 1px rgba(255, 0, 128, 0.35),
    0 14px 36px rgba(255, 0, 128, 0.45),
    inset 0 1px 0 rgba(255, 255, 255, 0.28);
  animation: pulsePink 2.2s ease-in-out infinite;
}
.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  animation-play-state: paused;
}
@keyframes pulsePink {
  0%, 100% {
    box-shadow:
      0 0 0 1px rgba(255, 0, 128, 0.35),
      0 14px 36px rgba(255, 0, 128, 0.45),
      inset 0 1px 0 rgba(255, 255, 255, 0.28),
      0 0 0 0 rgba(255, 0, 128, 0.5);
  }
  50% {
    box-shadow:
      0 0 0 1px rgba(255, 0, 128, 0.7),
      0 18px 48px rgba(255, 77, 77, 0.6),
      inset 0 1px 0 rgba(255, 255, 255, 0.4),
      0 0 0 16px rgba(255, 0, 128, 0);
  }
}

.btn-ghost {
  color: #e2e8f0;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.1), rgba(121, 40, 202, 0.08));
  border: 1px solid rgba(0, 242, 254, 0.4);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.btn-ghost::before {
  content: "";
  position: absolute;
  top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(110deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: skewX(-20deg);
  animation: shine 3s ease-in-out infinite;
}
.btn-ghost:hover {
  transform: translateY(-3px);
  border-color: var(--cyan);
  color: #fff;
  box-shadow:
    0 14px 34px rgba(0, 242, 254, 0.25),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
@keyframes shine {
  0% { left: -120%; }
  60% { left: 130%; }
  100% { left: 130%; }
}

/* Hero 底部指标条（流式，随内容排布） */
.hero-meta-wrap {
  position: relative;
  z-index: 3;
  padding-bottom: 36px;
}
.hero-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid rgba(0, 242, 254, 0.18);
  border-bottom: 1px solid rgba(0, 242, 254, 0.18);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(10, 15, 29, 0.55), rgba(5, 7, 14, 0.7));
  backdrop-filter: blur(20px) saturate(160%);
  -webkit-backdrop-filter: blur(20px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.hero-meta .item {
  padding: 20px 24px;
  border-right: 1px solid rgba(0, 242, 254, 0.12);
}
.hero-meta .item:last-child { border-right: none; }
.hero-meta .num {
  font-family: "Orbitron", sans-serif;
  font-size: 26px;
  font-weight: 800;
  color: var(--cyan);
  line-height: 1;
  text-shadow: 0 0 20px rgba(0, 242, 254, 0.4);
}
.hero-meta .lbl {
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: 0.18em;
  margin-top: 8px;
  text-transform: uppercase;
}

/* =========================================================
   通用区块
   ========================================================= */
section { position: relative; padding: 110px 0; }

.section-head {
  text-align: center;
  margin-bottom: 60px;
}
.section-tag {
  display: inline-block;
  font-family: "Orbitron", sans-serif;
  font-size: 12px;
  letter-spacing: 0.32em;
  color: var(--cyan);
  padding: 7px 14px;
  border: 1px solid rgba(0, 242, 254, 0.4);
  border-radius: 6px;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.08), rgba(121, 40, 202, 0.06));
  margin-bottom: 20px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.section-title {
  font-family: "Orbitron", "Inter", sans-serif;
  font-weight: 900;
  font-size: clamp(28px, 3.6vw, 46px);
  line-height: 1.2;
  margin: 0 0 16px;
  letter-spacing: -0.005em;
}
.section-sub {
  color: var(--text-2);
  font-size: 16px;
  max-width: 620px;
  margin: 0 auto;
  line-height: 1.7;
}

/* =========================================================
   竞猜互动
   ========================================================= */
.predict {
  background:
    radial-gradient(800px 400px at 50% 0%, rgba(121, 40, 202, 0.18), transparent 60%),
    linear-gradient(180deg, transparent, rgba(5, 7, 14, 0.6));
}

.predict-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  max-width: 880px;
  margin: 0 auto;
}

.racer-card {
  position: relative;
  padding: 32px 26px 28px;
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015)),
    linear-gradient(180deg, rgba(18, 26, 48, 0.65), rgba(8, 12, 26, 0.85));
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 20px 50px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  transition: transform 0.5s var(--ease), border-color 0.5s var(--ease), box-shadow 0.5s var(--ease), opacity 0.5s var(--ease), filter 0.5s var(--ease);
  cursor: pointer;
  opacity: 0;
  transform: translateY(30px);
}
.racer-card.in-view { opacity: 1; transform: translateY(0); }
.racer-card:nth-child(2) { transition-delay: 0.1s; }
.racer-card:nth-child(3) { transition-delay: 0.2s; }

/* 角标 L 形切角 */
.racer-card::before, .racer-card::after {
  content: "";
  position: absolute;
  width: 22px; height: 22px;
  border-color: rgba(0, 242, 254, 0.55);
  pointer-events: none;
  transition: border-color 0.4s var(--ease);
}
.racer-card::before {
  top: 10px; left: 10px;
  border-top: 1px solid; border-left: 1px solid;
}
.racer-card::after {
  bottom: 10px; right: 10px;
  width: 22px; height: 22px;
  border-bottom: 1px solid; border-right: 1px solid;
}

.racer-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 242, 254, 0.55);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 24px 60px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(0, 242, 254, 0.25),
    0 0 50px rgba(0, 242, 254, 0.18);
}

/* 选手头像/编号 */
.racer-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}
.racer-no {
  font-family: "Orbitron", sans-serif;
  font-size: 42px;
  font-weight: 900;
  line-height: 1;
  background: linear-gradient(135deg, var(--cyan), var(--purple-soft));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.racer-badge {
  font-family: "Orbitron", sans-serif;
  font-size: 10px;
  letter-spacing: 0.22em;
  padding: 5px 10px;
  border: 1px solid rgba(0, 242, 254, 0.4);
  border-radius: 4px;
  color: var(--cyan);
  background: rgba(0, 242, 254, 0.08);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.racer-badge.hot {
  color: #ff6bb3;
  border-color: rgba(255, 0, 128, 0.55);
  background: rgba(255, 0, 128, 0.12);
  box-shadow: 0 0 18px rgba(255, 0, 128, 0.25);
}
.racer-badge.wild {
  color: var(--purple-soft);
  border-color: rgba(168, 85, 247, 0.5);
  background: rgba(121, 40, 202, 0.14);
}

.racer-avatar {
  width: 100%;
  aspect-ratio: 16 / 10;
  border-radius: 10px;
  margin-bottom: 22px;
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(0, 242, 254, 0.22);
  background: linear-gradient(135deg, #0a0f1d, #12082a);
}
.racer-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.8s var(--ease), filter 0.6s var(--ease);
  filter: saturate(1.05) contrast(1.08) brightness(0.9);
}
.racer-card:hover .racer-avatar img { transform: scale(1.06); filter: saturate(1.18) contrast(1.12) brightness(1); }
.racer-card.selected .racer-avatar img { filter: saturate(1.22) contrast(1.1) brightness(1.05); }
.racer-card.dimmed .racer-avatar img { filter: saturate(0.35) brightness(0.55); }
.racer-avatar::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 40%, rgba(5, 7, 14, 0.7) 100%),
    radial-gradient(circle at 50% 40%, transparent 40%, rgba(0, 242, 254, 0.08));
  pointer-events: none;
}
.racer-avatar .scan {
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0.7;
  animation: avatarScan 3s linear infinite;
}
@keyframes avatarScan {
  0% { top: 0; }
  100% { top: 100%; }
}

/* Click-to-play replay media */
.racer-avatar[data-video-src] {
  cursor: pointer;
}
.play-badge {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(1);
  width: 62px;
  height: 62px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3;
  color: #fff;
  font-size: 20px;
  padding-left: 4px;
  background: rgba(10, 15, 29, 0.55);
  border: 1px solid rgba(0, 242, 254, 0.6);
  backdrop-filter: blur(8px);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08) inset,
    0 0 30px rgba(0, 242, 254, 0.45),
    0 0 60px rgba(0, 242, 254, 0.2);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease), background 0.4s var(--ease);
}
.play-badge i { text-shadow: 0 0 12px rgba(0, 242, 254, 0.9); }
.play-badge::after {
  content: "";
  position: absolute;
  inset: -8px;
  border-radius: 50%;
  border: 1px solid rgba(0, 242, 254, 0.35);
  animation: playPulse 2.2s ease-out infinite;
}
@keyframes playPulse {
  0% { transform: scale(0.85); opacity: 0.9; }
  100% { transform: scale(1.35); opacity: 0; }
}
.racer-card:hover .play-badge {
  transform: translate(-50%, -50%) scale(1.12);
  background: rgba(255, 0, 128, 0.28);
  border-color: rgba(255, 0, 128, 0.8);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.12) inset,
    0 0 36px rgba(255, 0, 128, 0.6),
    0 0 70px rgba(255, 0, 128, 0.28);
}
.racer-card:hover .play-badge i { text-shadow: 0 0 12px rgba(255, 0, 128, 0.9); }
.replay-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  font-family: "Orbitron", "Inter", sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--cyan);
  background: rgba(5, 7, 14, 0.62);
  border: 1px solid rgba(0, 242, 254, 0.4);
  border-radius: 4px;
  backdrop-filter: blur(6px);
  text-shadow: 0 0 10px rgba(0, 242, 254, 0.6);
}

/* ===== Dedicated footage showcase frame ===== */
.footage {
  position: relative;
  padding: 110px 0 90px;
}
.footage-rig {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 340px) minmax(0, 1fr);
  align-items: center;
  gap: 26px;
  margin-top: 54px;
}

/* Central vertical holo screen */
.footage-screen {
  position: relative;
  justify-self: center;
  width: 100%;
  max-width: 340px;
  padding: 12px;
  border-radius: 18px;
  background: linear-gradient(160deg, rgba(18, 26, 48, 0.85), rgba(8, 12, 24, 0.92));
  border: 1px solid rgba(0, 242, 254, 0.35);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 30px 80px rgba(0, 0, 0, 0.6),
    0 0 70px rgba(0, 242, 254, 0.14);
}
.screen-corner {
  position: absolute;
  width: 22px;
  height: 22px;
  border-color: var(--cyan);
  border-style: solid;
  z-index: 4;
  filter: drop-shadow(0 0 6px rgba(0, 242, 254, 0.7));
}
.screen-corner.tl { top: -2px; left: -2px; border-width: 2px 0 0 2px; border-radius: 18px 0 0 0; }
.screen-corner.tr { top: -2px; right: -2px; border-width: 2px 2px 0 0; border-radius: 0 18px 0 0; }
.screen-corner.bl { bottom: -2px; left: -2px; border-width: 0 0 2px 2px; border-radius: 0 0 0 18px; }
.screen-corner.br { bottom: -2px; right: -2px; border-width: 0 2px 2px 0; border-radius: 0 0 18px 0; }

.screen-topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 4px 10px;
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--text-2);
}
.rec-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #ff4d6d;
  font-weight: 700;
}
.rec-dot i {
  font-size: 8px;
  animation: recBlink 1.4s ease-in-out infinite;
}
@keyframes recBlink {
  0%, 100% { opacity: 1; text-shadow: 0 0 10px #ff4d6d; }
  50% { opacity: 0.25; text-shadow: none; }
}
.cam-id { color: var(--cyan); margin-right: auto; text-shadow: 0 0 8px rgba(0, 242, 254, 0.5); }
.timecode { color: var(--text-2); background: rgba(0, 0, 0, 0.4); padding: 3px 8px; border-radius: 4px; border: 1px solid rgba(255, 255, 255, 0.08); }

.screen-video {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(0, 242, 254, 0.22);
  background: #05070e;
  aspect-ratio: 9 / 16;
}
.screen-video video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 30%;
}
.screen-vignette {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(5, 7, 14, 0.45) 0%, transparent 22%, transparent 78%, rgba(5, 7, 14, 0.55) 100%),
    repeating-linear-gradient(0deg, rgba(0, 242, 254, 0.05) 0 1px, transparent 1px 4px);
  box-shadow: inset 0 0 60px rgba(0, 242, 254, 0.08);
}

.screen-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 4px 2px;
}
.screen-btn {
  flex: none;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.35);
  transition: all 0.25s var(--ease);
}
.screen-btn:hover {
  background: rgba(0, 242, 254, 0.2);
  box-shadow: 0 0 18px rgba(0, 242, 254, 0.4);
  color: #fff;
}
.screen-btn.is-on {
  color: #fff;
  background: linear-gradient(135deg, var(--cta-1), var(--cta-2));
  border-color: transparent;
  box-shadow: 0 0 18px rgba(255, 0, 128, 0.45);
}
.telemetry {
  flex: 1;
  text-align: center;
  font-size: 9px;
  letter-spacing: 0.1em;
  color: var(--text-3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Side HUD panels */
.hud-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px 22px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(18, 26, 48, 0.5), rgba(10, 15, 29, 0.6));
  border: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px) saturate(150%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.07), 0 18px 50px rgba(0, 0, 0, 0.45);
}
.hud-left {
  border-left: 2px solid rgba(0, 242, 254, 0.4);
  text-align: right;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%);
  mask-image: linear-gradient(90deg, transparent, #000 12%);
}
.hud-right {
  border-right: 2px solid rgba(255, 0, 128, 0.4);
  -webkit-mask-image: linear-gradient(270deg, transparent, #000 12%);
  mask-image: linear-gradient(270deg, transparent, #000 12%);
}
.hud-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}
.hud-k {
  font-family: "Orbitron", "Inter", sans-serif;
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-3);
}
.hud-v {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--text-1);
}
.hud-v.ok { color: #22e6a5; text-shadow: 0 0 12px rgba(34, 230, 165, 0.5); }
.hud-v.cyan { color: var(--cyan); text-shadow: 0 0 12px rgba(0, 242, 254, 0.6); }
.hud-v.pink { color: var(--cta-1); text-shadow: 0 0 12px rgba(255, 0, 128, 0.6); }

.footage-cta {
  margin-top: 48px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}
.footage-note {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 12.5px;
  color: var(--text-3);
  letter-spacing: 0.03em;
}
.footage-note i { color: var(--cyan); }

@media (max-width: 900px) {
  .footage-rig {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }
  .hud-panel {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 18px 26px;
    text-align: center;
    -webkit-mask-image: none;
    mask-image: none;
    border-left: none;
    border-right: none;
  }
  .hud-left { border-top: 2px solid rgba(0, 242, 254, 0.4); }
  .hud-right { border-bottom: 2px solid rgba(255, 0, 128, 0.4); }
  .hud-row { flex-direction: column; gap: 2px; text-align: center; }
  .footage-screen { max-width: 300px; order: -1; }
}

/* Video lightbox */
.video-lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s var(--ease), visibility 0.3s;
}
.video-lightbox.is-open { visibility: visible; opacity: 1; }
.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 5, 12, 0.88);
  backdrop-filter: blur(14px);
}
.lightbox-dialog {
  position: relative;
  width: min(960px, 94vw);
  padding: 18px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(18, 26, 48, 0.85), rgba(10, 15, 29, 0.92));
  border: 1px solid rgba(0, 242, 254, 0.35);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 30px 90px rgba(0, 0, 0, 0.7),
    0 0 60px rgba(0, 242, 254, 0.18);
  transform: scale(0.94) translateY(16px);
  transition: transform 0.35s var(--ease);
}
.video-lightbox.is-open .lightbox-dialog { transform: scale(1) translateY(0); }
.lightbox-frame {
  position: relative;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: #05070e;
  aspect-ratio: 16 / 9;
}
.lightbox-frame video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #05070e;
}
.lightbox-frame iframe {
  width: 100%;
  height: 100%;
  display: block;
  border: 0;
  background: #05070e;
}
.lightbox-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 4px 2px;
}
.lightbox-tag {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--cyan);
  border: 1px solid rgba(0, 242, 254, 0.4);
  padding: 4px 10px;
  border-radius: 4px;
  white-space: nowrap;
}
.lightbox-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-1);
  letter-spacing: 0.04em;
}
.lightbox-close {
  position: absolute;
  top: -16px;
  right: -16px;
  z-index: 2;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
  background: linear-gradient(135deg, var(--cta-1), var(--cta-2));
  box-shadow: 0 8px 24px rgba(255, 0, 128, 0.45);
  transition: transform 0.25s var(--ease);
}
.lightbox-close:hover { transform: rotate(90deg) scale(1.08); }
@media (max-width: 600px) {
  .lightbox-close { top: -14px; right: 6px; width: 38px; height: 38px; }
  .play-badge { width: 52px; height: 52px; font-size: 17px; }
}

.racer-name {
  font-family: "Orbitron", "Inter", sans-serif;
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 6px;
  color: var(--text);
}
.racer-desc {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-2);
  margin: 0 0 22px;
  min-height: 44px;
}

.racer-stats {
  display: flex;
  gap: 14px;
  margin-bottom: 18px;
  font-family: "Orbitron", sans-serif;
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.1em;
}
.racer-stats span b {
  display: block;
  color: var(--text);
  font-size: 14px;
  margin-top: 4px;
  font-weight: 700;
}

.vote-bar {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  overflow: hidden;
  border: 1px solid rgba(0, 242, 254, 0.12);
  margin-bottom: 10px;
}
.vote-bar > span {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cyan), var(--purple-soft));
  box-shadow: 0 0 16px rgba(0, 242, 254, 0.55);
  transition: width 1.4s var(--ease);
}
.vote-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: 0.08em;
}
.vote-meta .pct {
  font-family: "Orbitron", sans-serif;
  font-size: 18px;
  font-weight: 800;
  color: var(--cyan);
}
.vote-meta .pct.win {
  color: #ff6bb3;
  text-shadow: 0 0 18px rgba(255, 0, 128, 0.7);
}

/* 选中态 */
.racer-card.selected {
  border-color: rgba(255, 0, 128, 0.6);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.14),
    0 24px 60px rgba(0, 0, 0, 0.55),
    0 0 0 1px rgba(255, 0, 128, 0.4),
    0 0 60px rgba(255, 0, 128, 0.25);
}
.racer-card.selected .racer-badge {
  color: #fff;
  border-color: rgba(255, 0, 128, 0.7);
  background: linear-gradient(135deg, var(--cta-1), var(--cta-2));
  box-shadow: 0 0 20px rgba(255, 0, 128, 0.5);
}
.racer-card.selected::before, .racer-card.selected::after { border-color: var(--cta-1); }

.racer-card.dimmed {
  opacity: 0.45;
  filter: saturate(0.5);
  transform: scale(0.97);
}
.racer-card.dimmed:hover { transform: scale(0.98); }

/* 注册投票引导条 */
.vote-cta {
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 14px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cyan);
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.12), rgba(0, 242, 254, 0.04));
  border: 1px solid rgba(0, 242, 254, 0.35);
  border-radius: var(--r-md);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 0 24px rgba(0, 242, 254, 0.12);
  transition: all 0.35s var(--ease);
  position: relative;
  overflow: hidden;
}
.vote-cta::after {
  content: "";
  position: absolute;
  top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.18), transparent);
  transform: skewX(-20deg);
  animation: voteCtaSweep 2.8s ease-in-out infinite;
}
@keyframes voteCtaSweep {
  0% { left: -120%; }
  55% { left: 130%; }
  100% { left: 130%; }
}
.vote-cta i { font-size: 13px; }
.racer-card:hover .vote-cta {
  border-color: rgba(0, 242, 254, 0.7);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14), 0 0 32px rgba(0, 242, 254, 0.35);
  transform: translateY(-1px);
}
.racer-card.selected .vote-cta,
.racer-card.dimmed .vote-cta {
  display: none;
}

/* 彩屑 */
.confetti-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: visible;
}
.confetti {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 7px;
  height: 10px;
  opacity: 0;
  border-radius: 1px;
  animation: confetti-burst 1.4s var(--ease) forwards;
}
@keyframes confetti-burst {
  0% { opacity: 1; transform: translate(-50%, -50%) scale(1) rotate(0); }
  100% { opacity: 0; transform: translate(var(--x), var(--y)) scale(0.4) rotate(var(--r)); }
}

.predict-hint {
  margin-top: 40px;
  text-align: center;
  color: var(--text-3);
  font-size: 13px;
  letter-spacing: 0.12em;
}
.predict-hint b { color: var(--cyan); font-family: "Orbitron", sans-serif; }

/* =========================================================
   亮点
   ========================================================= */
.highlights {
  background: linear-gradient(180deg, rgba(5, 7, 14, 0.6), transparent);
}
.hl-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.hl-card {
  position: relative;
  padding: 40px 32px;
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015)),
    linear-gradient(180deg, rgba(18, 26, 48, 0.55), rgba(8, 12, 26, 0.8));
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 20px 50px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  transition: transform 0.5s var(--ease), border-color 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.hl-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--purple-soft), transparent);
  transform: scaleX(0.3);
  transform-origin: left;
  transition: transform 0.6s var(--ease);
}
.hl-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0, 242, 254, 0.4);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 24px 60px rgba(0, 0, 0, 0.55),
    0 0 40px rgba(0, 242, 254, 0.15);
}
.hl-card:hover::before { transform: scaleX(1); }

.hl-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  margin-bottom: 22px;
  background:
    linear-gradient(135deg, rgba(0, 242, 254, 0.18), rgba(121, 40, 202, 0.18));
  border: 1px solid rgba(0, 242, 254, 0.4);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    inset 0 0 20px rgba(0, 242, 254, 0.12),
    0 0 24px rgba(0, 242, 254, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.hl-icon svg { width: 28px; height: 28px; color: var(--cyan); filter: drop-shadow(0 0 6px rgba(0,242,254,0.5)); }

.hl-card h3 {
  font-family: "Orbitron", "Inter", sans-serif;
  font-size: 20px;
  font-weight: 800;
  margin: 0 0 12px;
}
.hl-card p {
  color: var(--text-2);
  font-size: 14px;
  line-height: 1.75;
  margin: 0;
}
.hl-num {
  position: absolute;
  top: 18px; right: 22px;
  font-family: "Orbitron", sans-serif;
  font-size: 46px;
  font-weight: 900;
  color: rgba(0, 242, 254, 0.09);
  letter-spacing: 0.05em;
}

/* =========================================================
   工程解构（特写）
   ========================================================= */
.anatomy {
  background:
    radial-gradient(900px 500px at 15% 30%, rgba(0, 242, 254, 0.07), transparent 60%),
    radial-gradient(900px 500px at 85% 70%, rgba(121, 40, 202, 0.12), transparent 60%),
    linear-gradient(180deg, transparent, rgba(5, 7, 14, 0.6));
}
.anatomy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}
.anatomy-card {
  margin: 0;
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.015)),
    linear-gradient(180deg, rgba(18, 26, 48, 0.55), rgba(8, 12, 26, 0.82));
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 20px 50px rgba(0, 0, 0, 0.5);
  transition: transform 0.6s var(--ease), border-color 0.6s var(--ease), box-shadow 0.6s var(--ease);
  opacity: 0;
  transform: translateY(30px);
}
.anatomy-card.in-view { opacity: 1; transform: translateY(0); }
.anatomy-card:nth-child(2) { transition-delay: 0.15s; }
.anatomy-card:hover {
  transform: translateY(-8px);
  border-color: rgba(0, 242, 254, 0.45);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 30px 80px rgba(0, 0, 0, 0.6),
    0 0 0 1px rgba(0, 242, 254, 0.25),
    0 0 60px rgba(0, 242, 254, 0.15);
}

.anatomy-img {
  position: relative;
  aspect-ratio: 3 / 2;
  overflow: hidden;
}
.anatomy-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: saturate(1.05) contrast(1.08);
  transition: transform 1.2s var(--ease);
}
.anatomy-card:hover .anatomy-img img { transform: scale(1.05); }
.anatomy-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 7, 14, 0.1) 0%, transparent 35%, rgba(5, 7, 14, 0.88) 100%),
    linear-gradient(90deg, rgba(0, 242, 254, 0.08), transparent 50%);
  pointer-events: none;
}

.anatomy-tag {
  position: absolute;
  top: 18px; left: 18px;
  z-index: 2;
  padding: 7px 14px;
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--cyan);
  background: rgba(5, 7, 14, 0.65);
  border: 1px solid rgba(0, 242, 254, 0.45);
  border-radius: 6px;
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.anatomy-scan {
  position: absolute;
  left: 0; right: 0; top: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  box-shadow: 0 0 14px rgba(0, 242, 254, 0.7);
  opacity: 0.7;
  animation: avatarScan 4.5s linear infinite;
  z-index: 2;
}

.anatomy-card figcaption { padding: 26px 28px 30px; }
.anatomy-card h3 {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 18px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 12px;
}
.anatomy-card h3::before {
  content: "";
  width: 28px; height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--purple));
  box-shadow: 0 0 10px var(--cyan);
}

.spec-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
}
.spec-list li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid rgba(0, 242, 254, 0.08);
}
.spec-list li:nth-child(odd) { padding-right: 16px; }
.spec-list li:nth-child(even) {
  padding-left: 16px;
  border-left: 1px solid rgba(0, 242, 254, 0.08);
}
.spec-list li:nth-last-child(-n+2) { border-bottom: none; }
.spec-list span {
  font-size: 12px;
  color: var(--text-3);
  letter-spacing: 0.12em;
}
.spec-list b {
  font-family: "Orbitron", sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
  letter-spacing: 0.04em;
  text-shadow: 0 0 14px rgba(0, 242, 254, 0.35);
}

@media (max-width: 900px) {
  .anatomy-grid { grid-template-columns: 1fr; }
}

/* =========================================================
   数据条
   ========================================================= */
.stats-band {
  padding: 70px 0;
  border-top: 1px solid rgba(0, 242, 254, 0.1);
  border-bottom: 1px solid rgba(0, 242, 254, 0.1);
  background:
    linear-gradient(90deg, rgba(0, 242, 254, 0.05), transparent 40%, rgba(255, 0, 128, 0.05)),
    rgba(10, 15, 29, 0.5);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.stats-band .grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  text-align: center;
}
.stats-band .n {
  font-family: "Orbitron", sans-serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 900;
  background: linear-gradient(180deg, #fff, var(--cyan));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  line-height: 1;
}
.stats-band .l {
  margin-top: 10px;
  color: var(--text-3);
  font-size: 13px;
  letter-spacing: 0.2em;
}

/* =========================================================
   Footer
   ========================================================= */
.footer {
  padding: 60px 0 160px;
  text-align: center;
  color: var(--text-3);
  font-size: 13px;
  letter-spacing: 0.08em;
  border-top: 1px solid rgba(255,255,255,0.05);
  background: linear-gradient(180deg, transparent, rgba(5, 7, 14, 0.7));
}
.footer .logo { justify-content: center; margin-bottom: 18px; }
.footer .disclaimer {
  max-width: 680px;
  margin: 0 auto 14px;
  line-height: 1.8;
  color: var(--text-3);
}
.footer .links {
  display: flex;
  justify-content: center;
  gap: 22px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.footer .links a { color: var(--text-2); }
.footer .links a:hover { color: var(--cyan); }

/* =========================================================
   预约弹窗（交互池）
   ========================================================= */
.modal-root {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  font-family: "Inter", system-ui, sans-serif;
}
.modal-root.is-open {
  display: flex;
  animation: modalFade 0.3s var(--ease);
}
@keyframes modalFade { from { opacity: 0; } to { opacity: 1; } }

.modal-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 30%, rgba(121, 40, 202, 0.25), transparent 60%),
    rgba(5, 7, 14, 0.78);
  backdrop-filter: blur(16px) saturate(160%);
  -webkit-backdrop-filter: blur(16px) saturate(160%);
  cursor: pointer;
}

.modal-dialog {
  position: relative;
  width: min(460px, 100%);
  padding: 36px 32px 30px;
  border-radius: 20px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.015)),
    linear-gradient(180deg, rgba(22, 32, 60, 0.92), rgba(8, 12, 26, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 30px 80px rgba(0, 0, 0, 0.7),
    0 0 0 1px rgba(0, 242, 254, 0.15),
    0 0 60px rgba(255, 0, 128, 0.18);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  animation: modalPop 0.5s var(--ease);
  max-height: calc(100vh - 40px);
  overflow-y: auto;
}
@keyframes modalPop {
  from { opacity: 0; transform: translateY(24px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-corner {
  position: absolute;
  width: 22px; height: 22px;
  border-color: rgba(0, 242, 254, 0.55);
  pointer-events: none;
}
.modal-corner.tl { top: 12px; left: 12px; border-top: 1px solid; border-left: 1px solid; }
.modal-corner.tr { top: 12px; right: 12px; border-top: 1px solid; border-right: 1px solid; }
.modal-corner.bl { bottom: 12px; left: 12px; border-bottom: 1px solid; border-left: 1px solid; }
.modal-corner.br { bottom: 12px; right: 12px; border-bottom: 1px solid; border-right: 1px solid; }

.modal-close {
  position: absolute;
  top: 14px; right: 14px;
  width: 36px; height: 36px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all 0.3s var(--ease);
  z-index: 2;
}
.modal-close:hover {
  color: #fff;
  background: rgba(255, 0, 128, 0.18);
  border-color: rgba(255, 0, 128, 0.5);
  transform: rotate(90deg);
}

.modal-head {
  text-align: center;
  margin-bottom: 24px;
  padding: 0 24px;
}
.modal-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--cyan);
  padding: 5px 12px;
  border: 1px solid rgba(0, 242, 254, 0.4);
  border-radius: 4px;
  background: rgba(0, 242, 254, 0.08);
  margin-bottom: 16px;
}
.modal-head h3 {
  font-size: 24px;
  font-weight: 800;
  margin: 0 0 10px;
  line-height: 1.3;
  background: linear-gradient(90deg, #fff, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.modal-head p {
  font-size: 13px;
  color: var(--text-2);
  margin: 0;
  line-height: 1.6;
}

/* 抽奖说明条 */
.giveaway-strip {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0 18px;
  padding: 12px 14px;
  border-radius: var(--r-md, 12px);
  background: linear-gradient(135deg, rgba(255, 0, 128, 0.12), rgba(255, 77, 77, 0.06));
  border: 1px solid rgba(255, 0, 128, 0.35);
  box-shadow: 0 0 24px rgba(255, 0, 128, 0.12), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}
.giveaway-strip > i {
  font-size: 22px;
  color: var(--red);
  filter: drop-shadow(0 0 8px rgba(255, 0, 128, 0.6));
  flex-shrink: 0;
}
.giveaway-strip strong {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.02em;
}
.giveaway-strip span {
  display: block;
  font-size: 12px;
  color: var(--text-2);
  margin-top: 2px;
  line-height: 1.5;
}

/* 方式切换 */
.seg {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 4px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  margin-bottom: 20px;
  position: relative;
}
.seg-btn {
  padding: 11px 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-2);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.3s var(--ease);
  z-index: 1;
}
.seg-btn.is-active {
  color: #0a0f1d;
  background: linear-gradient(135deg, var(--cyan), var(--purple-soft));
  box-shadow: 0 4px 14px rgba(0, 242, 254, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.3);
}
.seg-btn:not(.is-active):hover { color: #fff; background: rgba(255, 255, 255, 0.04); }

/* 输入框 */
.field { margin-bottom: 16px; }
.field.is-hidden { display: none; }

.phone-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px;
}
.country-select {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0 10px 0 12px;
  height: 48px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
  white-space: nowrap;
}
.country-select:hover { border-color: rgba(0, 242, 254, 0.4); }
.country-select .flag { font-size: 18px; line-height: 1; }
.country-select select {
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  padding-right: 18px;
  outline: none;
  cursor: pointer;
  max-width: 130px;
  direction: rtl;
  text-align-last: left;
}
.country-select select option {
  background: #0a0f1d;
  color: var(--text);
  direction: ltr;
}
.country-select .fa-chevron-down {
  position: absolute;
  right: 10px;
  font-size: 10px;
  color: var(--text-3);
  pointer-events: none;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.input-icon {
  position: absolute;
  left: 14px;
  color: var(--text-3);
  font-size: 14px;
  pointer-events: none;
  z-index: 1;
}
.field input[type="tel"],
.field input[type="email"] {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  font-size: 15px;
  font-family: inherit;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease), background 0.3s var(--ease);
  letter-spacing: 0.02em;
}
.phone-row input[type="tel"] { padding-left: 16px; }
.input-wrap input[type="email"] { padding-left: 42px; }
.field input::placeholder { color: var(--text-3); letter-spacing: 0; }
.field input:focus {
  border-color: rgba(0, 242, 254, 0.6);
  background: rgba(0, 242, 254, 0.05);
  box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.12), 0 0 20px rgba(0, 242, 254, 0.15);
}
.field.has-error input {
  border-color: rgba(255, 77, 77, 0.65) !important;
  box-shadow: 0 0 0 3px rgba(255, 0, 128, 0.15) !important;
}

/* 验证码行 */
.code-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}
.code-input-wrap { width: 100%; }
.code-btn {
  height: 48px;
  padding: 0 16px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
  color: var(--cyan);
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.4);
  transition: all 0.3s var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.code-btn:hover:not(:disabled) {
  background: rgba(0, 242, 254, 0.16);
  border-color: var(--cyan);
  box-shadow: 0 0 18px rgba(0, 242, 254, 0.25);
}
.code-btn:disabled {
  color: var(--text-3);
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.08);
  cursor: not-allowed;
}
.code-btn.is-counting { color: var(--text-3); }

.field-error {
  margin: 8px 0 0;
  min-height: 16px;
  font-size: 12px;
  color: #ff6b9a;
  display: flex;
  align-items: center;
  gap: 6px;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.25s, transform 0.25s;
}
.field.has-error .field-error { opacity: 1; transform: translateY(0); }

/* 提交按钮 */
.modal-submit {
  width: 100%;
  height: 52px;
  margin-top: 8px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #fff;
  background: linear-gradient(135deg, var(--cta-1), var(--cta-2));
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow:
    0 0 0 1px rgba(255, 0, 128, 0.35),
    0 12px 30px rgba(255, 0, 128, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  animation: pulsePink 2.4s ease-in-out infinite;
  position: relative;
  overflow: hidden;
}
.modal-submit::before {
  content: "";
  position: absolute;
  top: 0; left: -100%;
  width: 50%; height: 100%;
  background: linear-gradient(110deg, transparent, rgba(255,255,255,0.35), transparent);
  transform: skewX(-20deg);
  animation: shine 2.8s ease-in-out infinite;
}
.modal-submit:hover { transform: translateY(-2px); }
.modal-submit:disabled { opacity: 0.7; cursor: not-allowed; animation: none; }

.modal-tos {
  margin: 16px 0 0;
  font-size: 12px;
  color: var(--text-3);
  line-height: 1.6;
}
.check {
  display: inline-flex;
  align-items: flex-start;
  gap: 10px;
  cursor: pointer;
  user-select: none;
}
.check input { position: absolute; opacity: 0; pointer-events: none; }
.check-box {
  flex-shrink: 0;
  width: 18px; height: 18px;
  border-radius: 5px;
  margin-top: 1px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.18);
  display: grid;
  place-items: center;
  font-size: 10px;
  color: transparent;
  transition: all 0.25s var(--ease);
}
.check input:checked + .check-box {
  background: linear-gradient(135deg, var(--cta-1), var(--cta-2));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 0 14px rgba(255, 0, 128, 0.5);
}
.check span:last-child { flex: 1; }
.check a { color: var(--cyan); }
.check a:hover { text-decoration: underline; }

/* 成功态 */
.modal-success {
  text-align: center;
  padding: 20px 0 8px;
  animation: fadeUp 0.5s var(--ease);
}
.success-ring {
  width: 72px; height: 72px;
  margin: 8px auto 18px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 30px;
  color: #fff;
  background: linear-gradient(135deg, var(--cyan), var(--purple-soft));
  box-shadow: 0 0 0 8px rgba(0, 242, 254, 0.1), 0 0 40px rgba(0, 242, 254, 0.5);
  animation: successPop 0.6s var(--ease);
}
@keyframes successPop {
  0% { transform: scale(0) rotate(-30deg); }
  60% { transform: scale(1.12) rotate(8deg); }
  100% { transform: scale(1) rotate(0); }
}
.modal-success h4 {
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 8px;
  color: #fff;
}
.modal-success p {
  color: var(--text-2);
  font-size: 14px;
  margin: 0 0 6px;
  line-height: 1.6;
}
.success-contact {
  margin-top: 12px !important;
  padding: 10px 14px;
  border-radius: 8px;
  background: rgba(0, 242, 254, 0.08);
  border: 1px solid rgba(0, 242, 254, 0.25);
  font-family: "Orbitron", monospace;
  font-size: 13px;
  color: var(--cyan) !important;
  letter-spacing: 0.04em;
  word-break: break-all;
}

/* 隐藏表单时 */
.reserve-form.is-success .seg,
.reserve-form.is-success .field,
.reserve-form.is-success .modal-submit,
.reserve-form.is-success .modal-tos { display: none; }

/* 移动端 */
@media (max-width: 480px) {
  .modal-dialog { padding: 28px 20px 24px; border-radius: 18px; }
  .modal-head { padding: 0 16px; }
  .modal-head h3 { font-size: 20px; }
  .country-select select { max-width: 100px; font-size: 12px; }
  .country-select { padding: 0 8px 0 10px; }
  .country-select .flag { font-size: 16px; }
}

/* =========================================================
   Sticky Bottom CTA
   ========================================================= */
.sticky-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 50;
  padding: 14px max(16px, env(safe-area-inset-left));
  background: linear-gradient(180deg, rgba(5, 7, 14, 0.0), rgba(5, 7, 14, 0.92) 30%);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  transform: translateY(120%);
  transition: transform 0.6s var(--ease);
}
.sticky-bar.visible { transform: translateY(0); }
.sticky-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 18px 14px 22px;
  border-radius: 16px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.02)),
    linear-gradient(135deg, rgba(18, 26, 48, 0.85), rgba(8, 12, 26, 0.92));
  border: 1px solid rgba(255, 0, 128, 0.35);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 20px 60px rgba(0, 0, 0, 0.6),
    0 0 40px rgba(255, 0, 128, 0.2);
}
.countdown {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
}
.countdown .label {
  font-size: 13px;
  color: var(--text-2);
  letter-spacing: 0.12em;
}
.countdown .label b { color: #ff6bb3; font-weight: 700; }
.cd-numbers {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: "Orbitron", monospace;
}
.cd-cell {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 6px 10px 4px;
  min-width: 50px;
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(0, 242, 254, 0.1), rgba(0, 242, 254, 0.04));
  border: 1px solid rgba(0, 242, 254, 0.35);
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
.cd-cell .v {
  font-size: 22px;
  font-weight: 800;
  color: var(--cyan);
  line-height: 1;
  text-shadow: 0 0 14px rgba(0, 242, 254, 0.6);
  font-variant-numeric: tabular-nums;
}
.cd-cell .u {
  font-size: 9px;
  letter-spacing: 0.2em;
  color: var(--text-3);
}
.cd-sep {
  font-family: "Orbitron", monospace;
  color: var(--cyan);
  font-size: 20px;
  font-weight: 800;
  animation: blink 1s steps(2) infinite;
}
.sticky-cta {
  padding: 14px 26px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.1em;
  color: #fff;
  background: linear-gradient(135deg, var(--cta-1), var(--cta-2));
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow:
    0 0 0 1px rgba(255, 0, 128, 0.4),
    0 12px 30px rgba(255, 0, 128, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: transform 0.3s var(--ease);
  animation: pulsePink 2.2s ease-in-out infinite;
}
.sticky-cta:hover { transform: translateY(-2px) scale(1.02); }

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 900px) {
  .nav { display: none; }
  .nav-toggle {
    display: inline-grid;
    place-items: center;
    width: 40px; height: 40px;
    border: 1px solid var(--line-strong);
    border-radius: 8px;
    background: rgba(0, 242, 254, 0.05);
    color: var(--cyan);
  }
  .predict-grid, .hl-grid { grid-template-columns: 1fr; }
  .hero-main {
    grid-template-columns: 1fr;
    gap: 36px;
    padding: 30px 0 48px;
  }
  .hero-films { max-width: 520px; width: 100%; }
  .hero-meta { grid-template-columns: repeat(2, 1fr); }
  .hero-meta .item:nth-child(2) { border-right: none; }
  .hero-meta .item:nth-child(1), .hero-meta .item:nth-child(2) { border-bottom: 1px solid rgba(0, 242, 254, 0.1); }
  .stats-band .grid { grid-template-columns: repeat(2, 1fr); gap: 28px 12px; }
  .hud { display: none; }
  section { padding: 80px 0; }
  .sticky-inner { flex-direction: column; align-items: stretch; padding: 14px; gap: 12px; }
  .countdown { justify-content: center; }
  .sticky-cta { width: 100%; justify-content: center; }
  .cd-cell { min-width: 44px; padding: 5px 8px 3px; }
  .cd-cell .v { font-size: 18px; }
}
@media (max-width: 480px) {
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .hero-meta { display: none; }
  .hf-name { font-size: 14px; }
  .hf-play { width: 48px; height: 48px; font-size: 15px; }
  .racer-card, .hl-card { padding: 26px 20px; }
}

/* 减少动效偏好 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}