/* =====================================================
   TikTok Shop™Boost · 门户站 v2 (重做版)
   设计：全屏沉浸 Hero + Bento Grid + 横向时间线 + 弹幕证言 + 数据墙
   动效：Canvas 粒子 / SVG SMIL / 跑马灯 / 鼠标光斑 / 数字跳动 / 流光
   全部原创代码 · 不复制任何第三方品牌资产
   ===================================================== */

:root {
  --bg-0: #050511;
  --bg-1: #0A0A1F;
  --bg-2: #11122A;
  --card: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --card-border-hi: rgba(255, 255, 255, 0.18);
  --text: #F2F3F8;
  --muted: #A2A6B5;
  --faint: rgba(255, 255, 255, 0.5);
  --cyan: #27E7EE;
  --pink: #FF2D95;
  --purple: #8D5DFF;
  --gold: #FFD86B;
  --green: #1FCEA0;
  --line: #1B1D2D;
  --r-lg: 24px;
  --r-md: 16px;
  --r-sm: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg-0);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
::selection { background: rgba(39, 231, 238, 0.35); color: #fff; }

.container { width: min(1200px, 92vw); margin: 0 auto; }
.section { padding: 96px 0; position: relative; }
.eyebrow {
  display: inline-block; font-size: 12px; font-weight: 700;
  letter-spacing: 3px; color: var(--cyan); text-transform: uppercase;
  padding: 4px 10px; border: 1px solid rgba(39, 231, 238, 0.3); border-radius: 100px;
  background: rgba(39, 231, 238, 0.06);
}
.lead { color: var(--muted); line-height: 1.7; font-size: 16px; max-width: 680px; }
.section-head { margin-bottom: 48px; max-width: 760px; }
.section-head h2 {
  font-size: clamp(28px, 4.2vw, 52px);
  font-weight: 800; line-height: 1.1; letter-spacing: -0.5px;
  margin: 14px 0 14px;
}
.grad-flow {
  background: linear-gradient(90deg, var(--cyan), var(--pink), var(--gold), var(--cyan));
  background-size: 200% 100%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradFlow 4s linear infinite;
}
@keyframes gradFlow { from { background-position: 0 0; } to { background-position: 200% 0; } }

.inline-link {
  color: var(--cyan); border-bottom: 1px dashed currentColor;
  transition: color 0.2s;
}
.inline-link:hover { color: var(--pink); }

/* ========== 滚动进度条 ========== */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--cyan), var(--pink), var(--gold));
  z-index: 100; box-shadow: 0 0 12px rgba(39, 231, 238, 0.6);
  transition: width 0.1s linear;
}

/* ========== 顶部导航 ========== */
.topnav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  padding: 14px 0;
  transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.topnav.scrolled {
  background: rgba(5, 5, 17, 0.7);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 800; font-size: 20px; letter-spacing: 0.3px;
}
.brand-logo {
  display: inline-flex; align-items: center; justify-content: center;
  filter: drop-shadow(0 0 12px rgba(39, 231, 238, 0.55));
}
.brand-text {
  background: linear-gradient(90deg, #fff, var(--cyan));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-links {
  list-style: none; display: flex; gap: 32px;
  font-size: 14px; color: var(--muted);
}
.nav-links a { transition: color 0.2s; position: relative; }
.nav-links a::after {
  content: ""; position: absolute; left: 0; bottom: -6px; width: 0; height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--pink));
  transition: width 0.3s;
}
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { width: 100%; }

.nav-actions { display: flex; gap: 10px; align-items: center; }

.menu-btn {
  display: none; width: 40px; height: 40px;
  border: 1px solid var(--line); border-radius: 10px;
  background: transparent; cursor: pointer;
  flex-direction: column; gap: 5px; align-items: center; justify-content: center;
}
.menu-btn span {
  display: block; width: 18px; height: 2px; background: #fff; border-radius: 1px;
  transition: transform 0.3s;
}

/* ========== 通用按钮 ========== */
.cta-btn, .ghost-btn {
  position: relative; display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 18px; border-radius: 100px;
  font-size: 14px; font-weight: 700;
  cursor: pointer; border: none; overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  white-space: nowrap;
}
.cta-btn {
  color: #0A0A18;
  background: linear-gradient(90deg, var(--cyan), #6FECFF, var(--cyan));
  background-size: 200% 100%;
  animation: ctaShine 4s linear infinite;
  box-shadow: 0 8px 24px rgba(39, 231, 238, 0.35);
}
.cta-btn span { position: relative; z-index: 1; }
.cta-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 36px rgba(39, 231, 238, 0.55); }
@keyframes ctaShine { from { background-position: 0 0; } to { background-position: 200% 0; } }

.ghost-btn {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--card-border-hi);
  backdrop-filter: blur(8px);
}
.ghost-btn:hover { background: rgba(255, 255, 255, 0.08); border-color: var(--cyan); color: var(--cyan); }

.cta-btn.big, .ghost-btn.big { padding: 16px 28px; font-size: 15px; }

/* =====================================================
   HERO 全屏沉浸
   ===================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  padding: 100px 0 60px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 80% 60% at 50% 0%, rgba(141, 93, 255, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(255, 45, 149, 0.15) 0%, transparent 60%),
    var(--bg-0);
  display: flex; align-items: center;
}

/* 视频背景：默认就可见，不依赖 JS 触发（autoplay+muted 浏览器自动播放） */
.hero-video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
  opacity: 0.95;
  transition: opacity 0.6s ease;
  filter: saturate(1.1) brightness(0.85) contrast(1.05);
  background: #0A0A18;
}
.hero-video.is-loaded { opacity: 0.95; }
.hero.no-video .hero-video { display: none; }

/* 视频遮罩：渐变深色让文字可读（适度，不盖死画面） */
.hero-video-mask {
  position: absolute; inset: 0; z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(180deg,
      rgba(5, 5, 17, 0.35) 0%,
      rgba(5, 5, 17, 0.15) 35%,
      rgba(5, 5, 17, 0.35) 65%,
      rgba(5, 5, 17, 0.85) 100%);
}
.hero-vignette {
  position: absolute; inset: 0; z-index: 1;
  pointer-events: none;
  box-shadow:
    inset 0 0 160px 40px rgba(5, 5, 17, 0.55),
    inset 0 -100px 120px -30px rgba(5, 5, 17, 0.85);
}

.hero-particles {
  position: absolute; inset: 0; width: 100%; height: 100%;
  z-index: 2; pointer-events: none;
  mix-blend-mode: screen;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, #000 0%, transparent 80%);
  opacity: 0.5;
  z-index: 2; pointer-events: none;
  mix-blend-mode: screen;
}
.hero-spot {
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(39, 231, 238, 0.22) 0%, transparent 60%);
  pointer-events: none;
  transform: translate(-50%, -50%);
  left: var(--mx, 50%); top: var(--my, 50%);
  z-index: 3;
  transition: opacity 0.3s;
  filter: blur(20px);
  mix-blend-mode: screen;
  opacity: 0;
}
.hero-noise {
  position: absolute; inset: 0; z-index: 3; pointer-events: none;
  opacity: 0.25; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' /%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.55'/%3E%3C/svg%3E");
}

.hero-inner {
  position: relative; z-index: 5; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 22px;
  padding: 40px 0;
}

/* 视频加载指示（默认显示，让用户能直接看到视频状态） */
.hero .video-status {
  position: absolute; right: 18px; bottom: 18px; z-index: 5;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 10px;
  font-size: 10.5px; letter-spacing: 1px; color: rgba(255, 255, 255, 0.55);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 100px;
  backdrop-filter: blur(8px);
  pointer-events: none;
  opacity: 1; transition: opacity 0.4s;
}
.hero .video-status.is-visible { opacity: 1; }
.hero .video-status .vs-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--green);
  animation: dotBlink 1.4s ease-in-out infinite;
}

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 16px;
  border: 1px solid var(--card-border-hi);
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
  font-size: 12.5px; color: #D3D5DC; letter-spacing: 0.5px;
  animation: slideDown 0.8s cubic-bezier(.2, .9, .3, 1) both;
}
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--green); }
.dot.pulse {
  position: relative;
  box-shadow: 0 0 0 0 currentColor;
  color: var(--green);
  animation: dotPulse 1.6s ease-out infinite;
}
@keyframes dotPulse {
  0% { box-shadow: 0 0 0 0 rgba(31, 206, 160, 0.7); }
  70% { box-shadow: 0 0 0 12px rgba(31, 206, 160, 0); }
  100% { box-shadow: 0 0 0 0 rgba(31, 206, 160, 0); }
}
@keyframes slideDown { from { opacity: 0; transform: translateY(-12px); } to { opacity: 1; transform: translateY(0); } }

.hero-title {
  font-size: clamp(42px, 7.5vw, 96px);
  font-weight: 900; line-height: 1.04; letter-spacing: -2px;
  background: linear-gradient(180deg, #FFFFFF 0%, #C8C8FF 80%);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: heroFade 1s 0.2s cubic-bezier(.2, .9, .3, 1) both;
}
@keyframes heroFade { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.word-stack {
  display: inline-grid;
  vertical-align: baseline;
  height: 1em; min-width: 4ch;
  background: linear-gradient(90deg, var(--cyan), var(--pink), var(--gold), var(--cyan));
  background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradFlow 5s linear infinite;
}
.word-stack em {
  grid-column: 1; grid-row: 1;
  font-style: normal; font-weight: 900;
  opacity: 0; transform: translateY(100%);
}
.word-stack em:nth-child(1) { animation: wordCycle 8s 0s infinite; }
.word-stack em:nth-child(2) { animation: wordCycle 8s 2s infinite; }
.word-stack em:nth-child(3) { animation: wordCycle 8s 4s infinite; }
.word-stack em:nth-child(4) { animation: wordCycle 8s 6s infinite; }
@keyframes wordCycle {
  0%, 25%, 100% { transform: translateY(100%); opacity: 0; }
  4%, 21% { transform: translateY(0); opacity: 1; }
}

.hero-sub {
  max-width: 720px;
  font-size: clamp(15px, 1.8vw, 19px);
  color: var(--muted);
  line-height: 1.6;
  font-family: "JetBrains Mono", "Inter", monospace;
  animation: heroFade 1s 0.5s cubic-bezier(.2, .9, .3, 1) both;
  min-height: 1.6em;
}
.type-cursor {
  display: inline-block; color: var(--cyan); margin-left: 2px;
  animation: caretBlink 1s steps(2) infinite;
}
@keyframes caretBlink { 50% { opacity: 0; } }

.hero-actions {
  display: flex; gap: 14px; flex-wrap: wrap; justify-content: center;
  margin-top: 8px;
  animation: heroFade 1s 0.7s cubic-bezier(.2, .9, .3, 1) both;
}

/* 浮动数据气泡 */
.bubble {
  position: absolute; z-index: 1;
  padding: 14px 18px; border-radius: 16px;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--card-border-hi);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
  display: flex; flex-direction: column; gap: 4px;
  animation: bubbleFloat 6s ease-in-out infinite;
}
.bubble .b-label { font-size: 11px; color: var(--faint); letter-spacing: 1px; text-transform: uppercase; }
.bubble .b-value { font-size: 22px; font-weight: 800; color: #fff; line-height: 1; }
.bubble .b-value small { font-size: 12px; color: var(--cyan); margin-left: 2px; }
.bubble .b-spark { display: block; margin-top: 4px; }
.bubble .b-spark svg { display: block; }

.bubble-1 { top: 14%; left: 4%; animation-delay: 0s; }
.bubble-2 { top: 28%; right: 5%; animation-delay: -2s; }
.bubble-3 { bottom: 22%; left: 7%; animation-delay: -4s; }
@keyframes bubbleFloat {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-12px) rotate(1deg); }
}

/* 滚动提示（仅视觉装饰，不可点击，避免抢按钮事件） */
.scroll-cue {
  position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  color: var(--faint); font-size: 11px; letter-spacing: 3px;
  animation: cueBounce 2.4s ease-in-out infinite;
  pointer-events: none;
  user-select: none;
  z-index: 4;
}
.cue-line {
  width: 1px; height: 36px;
  background: linear-gradient(180deg, var(--cyan), transparent);
  position: relative; overflow: hidden;
}
.cue-line::before {
  content: ""; position: absolute; top: -10px; left: 0; right: 0;
  height: 10px; background: var(--cyan);
  animation: cueDrop 2s linear infinite;
}
@keyframes cueDrop { 0% { top: -10px; opacity: 1; } 100% { top: 36px; opacity: 0; } }
@keyframes cueBounce { 0%, 100% { transform: translate(-50%, 0); } 50% { transform: translate(-50%, 6px); } }

/* =====================================================
   MARQUEE 跑马灯
   ===================================================== */
.marquee-strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  background: linear-gradient(90deg, rgba(39,231,238,0.05), rgba(255,45,149,0.05));
  position: relative;
}
.marquee-strip::before, .marquee-strip::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 120px;
  pointer-events: none; z-index: 2;
}
.marquee-strip::before { left: 0; background: linear-gradient(90deg, var(--bg-0), transparent); }
.marquee-strip::after  { right: 0; background: linear-gradient(-90deg, var(--bg-0), transparent); }

.mq-track {
  display: flex; width: max-content;
  animation: mqScroll 30s linear infinite;
}
.mq-row {
  display: flex; align-items: center; gap: 36px;
  padding: 18px 18px;
  font-size: 17px; color: #D3D5DC;
  white-space: nowrap;
}
.mq-item b {
  font-weight: 800; margin-right: 6px;
  background: linear-gradient(90deg, var(--cyan), var(--pink));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.mq-dot { color: var(--gold); font-size: 10px; }

@keyframes mqScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* =====================================================
   BENTO GRID
   ===================================================== */
.bento {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 200px;
  gap: 16px;
}
.bento-card {
  position: relative; overflow: hidden;
  padding: 22px;
  border-radius: var(--r-lg);
  border: 1px solid var(--card-border);
  background:
    linear-gradient(160deg, rgba(141, 93, 255, 0.06), rgba(39, 231, 238, 0.03)),
    rgba(255, 255, 255, 0.02);
  display: flex; flex-direction: column;
  transition: transform 0.4s ease, border-color 0.4s ease;
}
.bento-card:hover {
  transform: translateY(-4px);
  border-color: rgba(39, 231, 238, 0.3);
}
.bento-card::before {
  content: ""; position: absolute; inset: -1px;
  border-radius: inherit; padding: 1px;
  background: linear-gradient(135deg, transparent 30%, rgba(39, 231, 238, 0.4) 60%, rgba(255, 45, 149, 0.4) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity 0.4s ease; pointer-events: none;
}
.bento-card:hover::before { opacity: 1; }
.bento-card.span-2 { grid-column: span 2; }
.bento-card.row-2  { grid-row: span 2; }

.bc-meta {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 12px;
}
.bc-tag {
  font-size: 10.5px; font-weight: 700; letter-spacing: 2px;
  color: var(--cyan); background: rgba(39, 231, 238, 0.1);
  padding: 3px 10px; border-radius: 100px;
  border: 1px solid rgba(39, 231, 238, 0.25);
}
.bc-live {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--green);
  font-weight: 600; letter-spacing: 1px;
}
.bc-live i {
  width: 6px; height: 6px; border-radius: 50%; background: var(--green);
  animation: dotBlink 1.4s ease-in-out infinite;
}
@keyframes dotBlink { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

.bento-card h3 {
  font-size: 18px; font-weight: 800; margin-bottom: 6px;
}
.bento-card > p {
  font-size: 13.5px; color: var(--muted); line-height: 1.6;
}

.anim-stage {
  flex: 1; margin-top: auto; display: grid; place-items: center;
  min-height: 140px;
}
.anim-stage svg { width: 100%; height: 100%; max-height: 200px; }

/* 转盘旋转 */
.wheel-spin { transform-origin: center; animation: wheelRotate 14s linear infinite; }
@keyframes wheelRotate { to { transform: rotate(360deg); } }

/* 红包浮动 */
.rp-float { animation: rpBob 2.6s ease-in-out infinite; transform-origin: center; }
@keyframes rpBob {
  0%, 100% { transform: translateY(0) rotate(-1deg); }
  50% { transform: translateY(-6px) rotate(1deg); }
}

/* 地球大陆缓慢旋转 */
.globe-rotate {
  animation: globeSpin 30s linear infinite;
  transform-origin: 0 0;
}
@keyframes globeSpin {
  0% { transform: translateX(0); }
  100% { transform: translateX(-12px); }
}

/* 数字滚动 */
.points-roll {
  flex: 1; display: flex; align-items: center; gap: 10px; margin-top: auto;
}
.pr-num {
  display: inline-flex; gap: 2px;
  font-size: 56px; font-weight: 900; line-height: 1;
  background: linear-gradient(180deg, var(--cyan), var(--pink));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}
.pr-digit {
  display: inline-block; width: 0.6em; height: 1em;
  overflow: hidden; vertical-align: top;
  white-space: pre;
  letter-spacing: 0;
  line-height: 1;
}
.pr-digit::first-line { line-height: 1; }
.pr-unit { color: var(--muted); font-size: 13px; }

/* =====================================================
   DEMO 产品演示模拟视频
   ===================================================== */
.demo-section { background: #06070F; }
.demo-frame {
  border-radius: 22px; overflow: hidden;
  border: 1px solid var(--card-border-hi);
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(39, 231, 238, 0.08),
    0 0 60px rgba(141, 93, 255, 0.18);
}
.frame-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
  border-bottom: 1px solid var(--card-border);
  font-size: 12px;
}
.frame-bar .dot {
  width: 12px; height: 12px; border-radius: 50%;
}
.dot-r { background: #FF5F56; } .dot-y { background: #FFBD2E; } .dot-g { background: #27C93F; }
.frame-url {
  flex: 1; text-align: center; color: var(--faint);
  font-family: "JetBrains Mono", "Inter", monospace;
}
.frame-live {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--pink); font-weight: 700; letter-spacing: 1.5px;
}
.frame-live i {
  width: 6px; height: 6px; border-radius: 50%; background: var(--pink);
  animation: dotBlink 1.2s ease-in-out infinite;
}
.frame-stage { background: linear-gradient(180deg, #0E0E22, #07070F); }
.frame-stage svg { display: block; width: 100%; height: auto; }

/* 演示动画阶段控制：12 秒循环，每 3 秒切换一个 */
.demo-svg .stage { opacity: 0; }
.demo-svg .stage-1 { animation: stageShow 12s 0s infinite; }
.demo-svg .stage-2 { animation: stageShow 12s 3s infinite; }
.demo-svg .stage-3 { animation: stageShow 12s 6s infinite; }
.demo-svg .stage-4 { animation: stageShow 12s 9s infinite; }
@keyframes stageShow {
  0%, 24% { opacity: 1; }
  25%, 100% { opacity: 0; }
}

.demo-svg .pay-btn { animation: payPulse 1s 2s infinite; transform-origin: center; }
@keyframes payPulse {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.3); }
}
.demo-svg .cursor {
  animation: cursorMove 12s 0s infinite;
}
@keyframes cursorMove {
  0% { transform: translate(680px, 100px); opacity: 0; }
  10%, 18% { transform: translate(420px, 290px); opacity: 1; }
  22% { transform: translate(420px, 295px) scale(0.85); opacity: 1; }
  25%, 100% { opacity: 0; }
}
.demo-svg .pulse-ring {
  transform-origin: 400px 225px;
  animation: pulseRing 1.5s ease-out infinite;
}
.demo-svg .pulse-ring:nth-of-type(2) { animation-delay: 0.6s; }
@keyframes pulseRing {
  0% { transform: scale(0.6); opacity: 0.7; }
  100% { transform: scale(1.4); opacity: 0; }
}
.demo-svg .rp-shake {
  transform-origin: 400px 225px;
  animation: rpShake 0.6s ease-in-out infinite;
}
@keyframes rpShake {
  0%, 100% { transform: rotate(-2deg); }
  50% { transform: rotate(2deg); }
}
.demo-svg .card-pop {
  animation: cardPop 12s 6s infinite;
  transform-origin: 400px 225px;
}
@keyframes cardPop {
  0% { transform: scale(0.6); opacity: 0; }
  4%, 24% { transform: scale(1); opacity: 1; }
  25%, 100% { transform: scale(1); opacity: 0; }
}
.demo-svg .demo-progress {
  animation: progressFill 12s linear infinite;
}
@keyframes progressFill {
  from { width: 0; }
  to { width: 720px; }
}

/* =====================================================
   PROCESS 横向时间线
   ===================================================== */
.process-section { background: var(--bg-1); }
.timeline { position: relative; padding: 40px 0 20px; }
.timeline-track {
  position: absolute; top: 76px; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 4%, var(--card-border-hi) 4%, var(--card-border-hi) 96%, transparent 96%);
}
.timeline-flow {
  position: absolute; inset: 0;
  background: linear-gradient(90deg, var(--cyan), var(--pink), var(--gold));
  opacity: 0.3;
}
.flow-light {
  position: absolute; top: -3px; left: 0; width: 80px; height: 8px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  filter: blur(4px);
  animation: flowLight 4s ease-in-out infinite;
}
@keyframes flowLight {
  0% { left: 0; }
  100% { left: calc(100% - 80px); }
}
.timeline-steps {
  list-style: none;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px;
  position: relative; z-index: 1;
}
.ts-item {
  text-align: left;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01));
  border: 1px solid var(--card-border);
  border-radius: var(--r-md);
  padding: 70px 18px 18px;
  position: relative;
  transition: transform 0.3s, border-color 0.3s;
}
.ts-item:hover { transform: translateY(-6px); border-color: var(--cyan); }
.ts-bullet {
  position: absolute; top: -8px; left: 18px;
  width: 50px; height: 50px;
  background: linear-gradient(135deg, var(--cyan), var(--purple));
  border-radius: 14px;
  display: grid; place-items: center;
  font-weight: 800; color: #0A0A18; font-size: 16px;
  box-shadow: 0 8px 20px rgba(39, 231, 238, 0.4);
  letter-spacing: 0.5px;
}
.ts-bullet::before {
  content: ""; position: absolute; inset: -3px;
  border: 1px solid var(--cyan); border-radius: 16px;
  opacity: 0.3;
  animation: bulletPulse 2s ease-in-out infinite;
}
@keyframes bulletPulse {
  0%, 100% { transform: scale(1); opacity: 0.3; }
  50% { transform: scale(1.15); opacity: 0; }
}
.ts-item h4 { font-size: 17px; margin-bottom: 8px; color: #fff; }
.ts-item p { font-size: 13px; color: var(--muted); line-height: 1.6; }
.ts-time {
  display: inline-block; margin-top: 12px;
  font-size: 11px; padding: 3px 10px;
  border: 1px dashed var(--card-border-hi); border-radius: 100px;
  color: var(--cyan);
  letter-spacing: 1px;
  font-weight: 600;
}

/* =====================================================
   VOICES 弹幕墙
   ===================================================== */
.voices-section { background: var(--bg-0); padding-bottom: 0; }
.voices-wall {
  position: relative;
  margin-top: 48px;
  padding: 24px 0 80px;
  overflow: hidden;
}
.voices-wall::before, .voices-wall::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 160px;
  pointer-events: none; z-index: 2;
}
.voices-wall::before { left: 0; background: linear-gradient(90deg, var(--bg-0), transparent); }
.voices-wall::after  { right: 0; background: linear-gradient(-90deg, var(--bg-0), transparent); }

.vw-row { overflow: hidden; padding: 8px 0; }
.vw-track {
  display: flex; gap: 16px; width: max-content;
}
.vw-row-l .vw-track { animation: vwScroll 40s linear infinite; }
.vw-row-r .vw-track { animation: vwScrollR 40s linear infinite; }
@keyframes vwScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}
@keyframes vwScrollR {
  from { transform: translateX(-50%); }
  to { transform: translateX(0); }
}

.vc {
  flex: 0 0 auto; width: 360px;
  padding: 22px;
  border-radius: var(--r-md);
  border: 1px solid var(--card-border);
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.01));
  display: flex; flex-direction: column; gap: 16px;
  transition: border-color 0.3s, transform 0.3s;
}
.vc:hover { border-color: var(--cyan); transform: translateY(-2px); }
.vc p { color: #E2E5EE; font-size: 14px; line-height: 1.6; }
.vc-meta { display: flex; align-items: center; gap: 12px; }
.vc-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--cyan), var(--pink));
  position: relative;
}
.vc-avatar::before {
  content: ""; position: absolute; left: 50%; top: 38%;
  width: 14px; height: 14px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.85);
  transform: translate(-50%, -50%);
}
.vc-avatar::after {
  content: ""; position: absolute; left: 50%; bottom: 16%;
  width: 24px; height: 12px; border-radius: 12px 12px 0 0;
  background: rgba(255, 255, 255, 0.85);
  transform: translateX(-50%);
}
.vc-avatar.a1 { background: linear-gradient(135deg, #FF2D95, #FFB36B); }
.vc-avatar.a2 { background: linear-gradient(135deg, #27E7EE, #8D5DFF); }
.vc-avatar.a3 { background: linear-gradient(135deg, #1FCEA0, #27E7EE); }
.vc-avatar.a4 { background: linear-gradient(135deg, #FFD86B, #FF2D95); }
.vc-avatar.a5 { background: linear-gradient(135deg, #8D5DFF, #FF2D95); }
.vc-avatar.a6 { background: linear-gradient(135deg, #FF8A3D, #FFD86B); }
.vc-avatar.a7 { background: linear-gradient(135deg, #27E7EE, #1FCEA0); }
.vc-avatar.a8 { background: linear-gradient(135deg, #FF2D95, #8D5DFF); }
.vc-meta b { display: block; font-size: 14px; font-weight: 700; }
.vc-meta i { display: block; font-style: normal; font-size: 12px; color: var(--faint); margin-top: 2px; }

/* =====================================================
   METRICS WALL 数据墙
   ===================================================== */
.metrics-section { padding: 60px 0; }
.metrics-wall {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  padding: 30px;
  border-radius: var(--r-lg);
  border: 1px solid var(--card-border-hi);
  background:
    linear-gradient(120deg, rgba(39, 231, 238, 0.08), rgba(255, 45, 149, 0.08)),
    rgba(255, 255, 255, 0.02);
  backdrop-filter: blur(10px);
  position: relative; overflow: hidden;
}
.metrics-wall::before {
  content: ""; position: absolute; top: -50%; left: -10%; width: 120%; height: 200%;
  background: conic-gradient(from 0deg, transparent 0deg, rgba(39, 231, 238, 0.1) 30deg, transparent 60deg, transparent 360deg);
  animation: mwShine 8s linear infinite;
  pointer-events: none;
}
@keyframes mwShine { to { transform: rotate(360deg); } }
.mw-cell {
  position: relative; z-index: 1;
  text-align: center;
  padding: 18px;
  border-right: 1px dashed var(--card-border);
}
.mw-cell:last-child { border-right: none; }
.mw-num {
  font-size: clamp(28px, 4vw, 48px); font-weight: 800; line-height: 1;
  background: linear-gradient(180deg, #fff, var(--cyan));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  font-variant-numeric: tabular-nums;
}
.mw-num b { color: var(--pink); font-weight: 800; -webkit-text-fill-color: var(--pink); }
.mw-lab { font-size: 13px; color: var(--muted); margin-top: 8px; letter-spacing: 0.5px; }

/* =====================================================
   FAQ
   ===================================================== */
.faq-section { background: var(--bg-1); }
.faq-grid {
  display: grid; grid-template-columns: 1fr 1.3fr;
  gap: 60px; align-items: start;
}
.faq-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800; line-height: 1.15; letter-spacing: -0.5px;
  margin: 14px 0 16px;
}
.faq-list { display: grid; gap: 6px; }
.faq-item {
  border: 1px solid var(--card-border);
  border-radius: var(--r-md);
  padding: 4px 22px;
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.3s, background 0.3s;
}
.faq-item[open] {
  border-color: rgba(39, 231, 238, 0.4);
  background: rgba(39, 231, 238, 0.05);
}
.faq-item summary {
  cursor: pointer; list-style: none;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 18px 0;
}
.faq-item summary::-webkit-details-marker { display: none; }
.fq-q { font-size: 15.5px; font-weight: 700; }
.fq-icon {
  flex-shrink: 0;
  width: 28px; height: 28px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--card-border);
  position: relative; transition: transform 0.3s, background 0.3s;
}
.fq-icon::before, .fq-icon::after {
  content: ""; position: absolute; top: 50%; left: 50%;
  width: 12px; height: 2px; border-radius: 1px;
  background: #fff;
  transform: translate(-50%, -50%);
  transition: transform 0.3s;
}
.fq-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] .fq-icon { transform: rotate(180deg); background: rgba(39, 231, 238, 0.18); }
.faq-item[open] .fq-icon::after { transform: translate(-50%, -50%) rotate(0deg); }
.faq-item p {
  padding: 0 0 18px;
  color: var(--muted); line-height: 1.75; font-size: 14px;
}

/* =====================================================
   CTA 大型号召
   ===================================================== */
.cta-section { padding: 60px 0 100px; }
.cta-card {
  position: relative; overflow: hidden;
  border-radius: 32px;
  border: 1px solid var(--card-border-hi);
  background:
    radial-gradient(ellipse at 30% 20%, rgba(141, 93, 255, 0.18) 0%, transparent 60%),
    radial-gradient(ellipse at 80% 80%, rgba(255, 45, 149, 0.18) 0%, transparent 60%),
    linear-gradient(180deg, #11122A, #050511);
  padding: 80px 40px;
  text-align: center;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}
.cta-bg { position: absolute; inset: 0; pointer-events: none; }
.cta-orb {
  position: absolute; border-radius: 50%; filter: blur(60px); opacity: 0.5;
  animation: orbFloat 10s ease-in-out infinite;
}
.cta-orb-1 { width: 280px; height: 280px; background: var(--pink); top: -80px; left: -80px; }
.cta-orb-2 { width: 320px; height: 320px; background: var(--cyan); top: 30%; right: -100px; animation-delay: -3s; }
.cta-orb-3 { width: 260px; height: 260px; background: var(--purple); bottom: -100px; left: 40%; animation-delay: -6s; }
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.15); }
}
.cta-content { position: relative; z-index: 1; max-width: 720px; margin: 0 auto; }
.cta-content h2 { font-size: clamp(30px, 5vw, 56px); font-weight: 900; line-height: 1.1; margin: 14px 0 14px; letter-spacing: -1px; }
.cta-content .lead { color: #D3D5DC; margin: 0 auto 30px; font-size: 16px; }

.cta-form {
  display: flex; flex-wrap: wrap; gap: 10px; justify-content: center;
  max-width: 580px; margin: 0 auto;
}
.cta-form input {
  flex: 1; min-width: 200px;
  padding: 14px 18px;
  border-radius: 100px;
  border: 1px solid var(--card-border-hi);
  background: rgba(255, 255, 255, 0.04);
  backdrop-filter: blur(10px);
  font-family: inherit; color: #fff; font-size: 14px;
  transition: border-color 0.3s, background 0.3s;
}
.cta-form input:focus {
  outline: none; border-color: var(--cyan);
  background: rgba(39, 231, 238, 0.05);
}
.cta-form input::placeholder { color: var(--faint); }
.cta-tip { margin-top: 18px; font-size: 12px; color: var(--faint); }

/* =====================================================
   FOOTER
   ===================================================== */
.footer-min { padding: 48px 0 80px; border-top: 1px solid var(--line); background: var(--bg-0); }
.fm-top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  flex-wrap: wrap;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}
.fm-links {
  list-style: none; display: flex; gap: 24px;
  font-size: 13px; color: var(--muted);
}
.fm-links a { transition: color 0.2s; }
.fm-links a:hover { color: var(--cyan); }
.fm-disclaimer {
  margin: 22px 0; font-size: 12px; color: var(--faint); line-height: 1.7;
}
.fm-disclaimer strong { color: #C8CCD6; }
.fm-copy { font-size: 11.5px; color: var(--faint); }

/* =====================================================
   FLOATING CTA
   ===================================================== */
.floating-cta {
  position: fixed; right: 24px; bottom: 24px; z-index: 60;
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 22px;
  border-radius: 100px;
  background: linear-gradient(90deg, var(--pink), var(--purple));
  color: #fff; font-weight: 700; font-size: 14px;
  box-shadow: 0 14px 32px rgba(255, 45, 149, 0.45);
  transform: translateY(120px); opacity: 0;
  transition: transform 0.5s cubic-bezier(.22,1,.36,1), opacity 0.4s, box-shadow 0.3s;
}
.floating-cta.is-visible { transform: translateY(0); opacity: 1; }
.floating-cta:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 18px 40px rgba(255, 45, 149, 0.6);
}
.fc-pulse {
  position: relative; width: 8px; height: 8px; border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7);
  animation: fcPulse 1.6s ease-out infinite;
}
@keyframes fcPulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.7); }
  70% { box-shadow: 0 0 0 12px rgba(255, 255, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}

/* =====================================================
   reveal 动效
   ===================================================== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s ease, transform 0.8s ease; will-change: opacity, transform; }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* =====================================================
   法律页通用
   ===================================================== */
.legal-body { background: var(--bg-1); color: #D6D9E0; }
.legal-nav { border-bottom: 1px solid var(--line); padding: 18px 0; }
.legal-nav .container { display: flex; align-items: center; justify-content: space-between; }
.back-link { color: var(--muted); font-size: 14px; transition: color 0.2s; }
.back-link:hover { color: var(--cyan); }
.legal-page { max-width: 820px; padding: 56px 0 80px; line-height: 1.75; }
.legal-page h1 { margin: 0 0 8px; font-size: clamp(28px, 4vw, 40px); }
.legal-page h2 { margin: 32px 0 12px; font-size: 20px; color: #fff; }
.legal-page p, .legal-page li { color: #C1C5CF; }
.legal-page ul { padding-left: 22px; }
.legal-page .updated { color: #7F8590; font-size: 13px; margin-bottom: 28px; }
.legal-footer { border-top: 1px solid var(--line); padding: 22px 0 28px; color: #8A8F9A; font-size: 12.5px; text-align: center; }
.legal-footer .copyright { margin: 6px 0 0; color: #6A6F78; }

/* =====================================================
   响应式
   ===================================================== */
@media (max-width: 1080px) {
  .bento { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 220px; }
  .bento-card.span-2 { grid-column: span 2; }
  .timeline-steps { grid-template-columns: repeat(2, 1fr); }
  .timeline-track { display: none; }
  .metrics-wall { grid-template-columns: repeat(2, 1fr); }
  .mw-cell:nth-child(2n) { border-right: none; }
  .faq-grid { grid-template-columns: 1fr; gap: 30px; }
}

@media (max-width: 760px) {
  .nav-links { display: none; position: absolute; top: 70px; left: 16px; right: 16px;
    background: rgba(10, 10, 18, 0.95); backdrop-filter: blur(20px);
    border: 1px solid var(--card-border-hi); border-radius: 16px;
    flex-direction: column; padding: 18px; gap: 12px; }
  .nav-links.open { display: flex; }
  .nav-actions { display: none; }
  .menu-btn { display: flex; }
  .hero { padding: 90px 0 40px; }
  .bubble { display: none; }
  .hero-eyebrow { font-size: 11px; }
  .hero-actions { width: 100%; flex-direction: column; }
  .hero-actions a { width: 100%; justify-content: center; }
  .bento { grid-template-columns: 1fr; grid-auto-rows: auto; }
  .bento-card { min-height: 240px; }
  .bento-card.span-2, .bento-card.row-2 { grid-column: span 1; grid-row: span 1; }
  .timeline-steps { grid-template-columns: 1fr; }
  .vc { width: 280px; }
  .metrics-wall { grid-template-columns: 1fr 1fr; padding: 18px; }
  .cta-card { padding: 50px 22px; border-radius: 22px; }
  .section { padding: 64px 0; }
  .floating-cta { right: 16px; bottom: 16px; padding: 12px 18px; font-size: 13px; }
}

/* =====================================================
   滚动条
   ===================================================== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.1); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(39, 231, 238, 0.4); }
::-webkit-scrollbar-track { background: transparent; }