/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 24px 120px; text-align: center;
  max-width: var(--max-width); margin: 0 auto;
}
.hero-tag {
  display: inline-block;
  font-size: 12px; font-weight: 500; color: var(--paper);
  letter-spacing: 0.03em; text-transform: uppercase;
  border: 1px solid rgba(255,255,255,0.30); border-radius: var(--radius-pill);
  padding: 4px 16px; margin-bottom: 24px;
  background: rgba(255,255,255,0.06);
  position: relative; z-index: 2;
}
.hero h1 {
  font-family: 'RuiZiZongYi', 'Inter Tight', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 56px; font-weight: 500;
  line-height: 1.25; letter-spacing: 0.06em;
  color: var(--paper); margin: 0 auto 20px;
  max-width: 720px; overflow: visible;
  position: relative; z-index: 2;
}
.hero h1 em {
  font-style: italic; color: var(--electric);
  -webkit-text-fill-color: transparent;
  background: linear-gradient(110deg,
    var(--electric) 0%,
    #e6a800 30%,
    var(--electric) 60%,
    #e6a800 100%);
  background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text;
  padding-right: 0.05em; display: block; text-align: center;
  animation: heroShine 5s linear infinite;
}
@keyframes heroShine {
  0% { background-position: 200% 50%; }
  100% { background-position: -100% 50%; }
}

/* ── Floating Particles ── */
.hero-particles {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.hero-particle {
  position: absolute;
  bottom: -10px;
  border-radius: 50%;
  background: var(--electric);
  opacity: 0;
  animation: floatUp var(--dur) var(--delay) ease-in infinite;
}
@keyframes floatUp {
  0% {
    transform: translateY(0) translateX(0) scale(0);
    opacity: 0;
  }
  8% {
    opacity: 0.9;
  }
  25% {
    transform: translateY(-35vh) translateX(var(--drift)) scale(1);
    opacity: 0.65;
  }
  55% {
    opacity: 0.30;
  }
  100% {
    transform: translateY(-100vh) translateX(var(--drift2)) scale(0.4);
    opacity: 0;
  }
}
.hero-desc {
  font-size: 16px; color: var(--silver); line-height: 1.6;
  max-width: 520px; margin: 0 auto 36px;
  position: relative; z-index: 2;
}
.hero-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 2; }

/* ── Scroll Indicator ── */
.scroll-indicator {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
  z-index: 10;
  transition: opacity 0.6s ease;
}
.scroll-indicator.hidden {
  opacity: 0;
}
.scroll-indicator svg {
  width: 100px;
  height: 70px;
  overflow: visible;
}
/* 箭头 */
.scroll-indicator .scroll-arrow {
  fill: none;
  stroke: rgba(255, 255, 255, 0.50);
  stroke-width: 1.1;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
  transition: opacity 0.35s ease 0.35s;
}
.scroll-indicator.animate .scroll-arrow {
  opacity: 1;
}
.scroll-indicator .scroll-arrow-2 {
  transition: opacity 0.35s ease 0.5s;
}
/* 箭头微动 — 用独立属性避免覆盖 opacity */
@keyframes arrowPulse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}
.scroll-indicator.animate svg {
  animation: none;
}
.scroll-indicator.animate .scroll-arrow {
  animation: arrowPulse 1.4s ease-in-out infinite;
}
.scroll-indicator.animate .scroll-arrow-2 {
  animation: arrowPulse 1.4s ease-in-out 0.2s infinite;
}
/* 文字 */
.scroll-indicator .scroll-text {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  fill: rgba(255, 255, 255, 0.65);
  letter-spacing: 0.02em;
}
@media (max-width: 600px) {
  .scroll-indicator { bottom: 16px; }
  .scroll-indicator svg { width: 72px; height: 50px; }
}
.btn-primary {
  background: var(--brand-blue); color: var(--paper);
  padding: 10px 22px; border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 500; text-decoration: none;
  border: none; cursor: pointer;
}
.btn-ghost {
  background: transparent; color: var(--paper);
  padding: 10px 22px; border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 500; text-decoration: none;
  border: 1px solid rgba(255,255,255,0.18); cursor: pointer;
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.4); }

/* ── Trust Logo Strip ── */
.trust-strip {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 40px 24px 28px;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(
    to right,
    transparent 0%,
    #000 8%,
    #000 92%,
    transparent 100%
  );
  mask-image: linear-gradient(
    to right,
    transparent 0%,
    #000 8%,
    #000 92%,
    transparent 100%
  );
}
.trust-label {
  font-family: var(--font-body);
  text-align: left;
  font-size: 12px;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.50);
  letter-spacing: 0.02em;
  line-height: 1.7;
  text-transform: none;
  margin-bottom: 28px;
  padding-left: 0;
}
.trust-track {
  display: flex;
  gap: 48px;
  width: max-content;
  animation: trustMarquee 60s linear infinite;
}
.trust-track:hover {
  animation-play-state: paused;
}
.trust-track > span {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  transition: opacity 0.35s ease;
  cursor: default;
  opacity: 0.78;
}
.trust-track > span:hover {
  opacity: 1;
}
.trust-track > span > img {
  height: 24px;
  width: auto;
  display: block;
}
.trust-track > span > span {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  white-space: nowrap;
}

@keyframes trustMarquee {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@media (max-width: 600px) {
  .trust-strip { padding: 28px 24px 20px; }
  .trust-track { gap: 24px; }
  .trust-track > span > img { height: 16px; }
  .trust-track > span > span { font-size: 12px; }
}