/* 红桃视频 · Pulse */
:root {
  --rose: #e11d48;
  --rose-deep: #be123c;
  --ink: #0f0a0c;
  --soft: #5c4a50;
  --fade: #8a7880;
  --snow: #fffdfc;
  --mist: #fff1f2;
  --line: rgba(225, 29, 72, 0.12);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --wrap: min(1180px, calc(100% - 2rem));
  --font: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --latin: "Outfit", var(--font);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--snow);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; border: 0; background: none; cursor: pointer; color: inherit; }

.wrap { width: var(--wrap); margin-inline: auto; }

.mesh {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(900px 520px at 0% 0%, rgba(225, 29, 72, 0.14), transparent 55%),
    radial-gradient(700px 420px at 100% 10%, rgba(251, 113, 133, 0.12), transparent 50%),
    radial-gradient(600px 400px at 50% 100%, rgba(255, 228, 230, 0.8), transparent 60%);
}

.spark {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  z-index: 100;
  padding: 0.7rem 1rem;
  background: var(--rose);
  color: #fff;
}
.skip:focus { left: 1rem; top: 1rem; }

/* Nav */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 40;
  transition: background 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.nav.is-solid {
  background: rgba(255, 253, 252, 0.86);
  backdrop-filter: blur(16px) saturate(1.2);
  box-shadow: 0 1px 0 var(--line);
}
.nav-inner {
  min-height: 70px;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  margin-right: auto;
}
.brand img { border-radius: 11px; }
.brand span { font-size: 1.05rem; letter-spacing: 0.02em; }

.links {
  display: flex;
  gap: 1.35rem;
  color: var(--soft);
  font-size: 0.94rem;
  font-weight: 500;
}
.links a:hover { color: var(--rose); }

.menu {
  display: none;
  width: 42px;
  height: 42px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
}
.menu i {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s var(--ease);
}
.menu[aria-expanded="true"] i:first-child { transform: translateY(4px) rotate(45deg); }
.menu[aria-expanded="true"] i:last-child { transform: translateY(-4px) rotate(-45deg); }

.drawer {
  position: fixed;
  inset: 70px 0 auto;
  z-index: 39;
  display: grid;
  gap: 0.2rem;
  padding: 1rem 1.25rem 1.4rem;
  background: rgba(255, 253, 252, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.drawer[hidden] { display: none !important; }
.drawer a {
  padding: 0.85rem 0.2rem;
  border-bottom: 1px solid rgba(0,0,0,0.04);
  font-weight: 600;
}
.drawer .btn { margin-top: 0.6rem; border: 0; text-align: center; }

/* Buttons */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0.85rem 1.45rem;
  border-radius: 12px;
  background: linear-gradient(135deg, #fb7185 0%, var(--rose) 48%, var(--rose-deep) 100%);
  color: #fff !important;
  font-weight: 800;
  letter-spacing: 0.02em;
  box-shadow: 0 14px 30px rgba(225, 29, 72, 0.28);
  transition: transform 0.28s var(--ease), box-shadow 0.28s var(--ease);
}
.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 36px rgba(225, 29, 72, 0.34);
}
.btn-sm { padding: 0.62rem 1.1rem; font-size: 0.92rem; border-radius: 10px; }
.btn-lg { padding: 1rem 1.8rem; font-size: 1.05rem; min-width: 200px; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 1rem 1.5rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.65);
  color: #fff;
  font-weight: 700;
  background: transparent;
}
.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
}

.shimmer::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 30%, rgba(255,255,255,0.35) 50%, transparent 70%);
  transform: translateX(-120%);
  animation: shine 3.2s var(--ease) infinite;
}

/* Hero */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
  transform: scale(1.06);
  animation: ken 22s var(--ease) infinite alternate;
}
.hero-veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(15, 6, 10, 0.55) 0%, rgba(15, 6, 10, 0.28) 40%, rgba(15, 6, 10, 0.72) 100%),
    radial-gradient(700px 420px at 50% 20%, rgba(225, 29, 72, 0.35), transparent 65%);
}
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.55;
  animation: orb 10s ease-in-out infinite alternate;
}
.hero-orb.o1 {
  width: 280px;
  height: 280px;
  left: 8%;
  top: 18%;
  background: rgba(251, 113, 133, 0.55);
}
.hero-orb.o2 {
  width: 340px;
  height: 340px;
  right: 6%;
  bottom: 10%;
  background: rgba(225, 29, 72, 0.4);
  animation-delay: -3s;
}
.hero-body {
  padding: 7.5rem 0 5rem;
  max-width: 820px;
}
.hero-logo img {
  margin: 0 auto 1.1rem;
  border-radius: 22px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
  animation: pulseLogo 3.6s var(--ease) infinite;
}
.hero h1 {
  margin: 0;
  font-size: clamp(4.6rem, 14vw, 9rem);
  line-height: 0.9;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-shadow: 0 12px 48px rgba(0, 0, 0, 0.4);
}
.hero-line {
  margin: 1.1rem 0 0;
  font-size: clamp(1.35rem, 3.2vw, 1.85rem);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: #fecdd3;
}
.hero-desc {
  margin: 1rem auto 0;
  max-width: 34rem;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.05rem;
  line-height: 1.85;
}
.hero-cta {
  margin-top: 1.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: center;
}

.hero-scroll {
  position: absolute;
  left: 50%;
  bottom: 1.4rem;
  transform: translateX(-50%);
  width: 22px;
  height: 36px;
  border: 1.5px solid rgba(255,255,255,0.45);
  border-radius: 14px;
}
.hero-scroll span {
  display: block;
  width: 3px;
  height: 8px;
  margin: 7px auto 0;
  border-radius: 3px;
  background: #fff;
  animation: drip 1.6s var(--ease) infinite;
}

.pop {
  opacity: 0;
  transform: translateY(28px);
  animation: up 0.95s var(--ease) forwards;
}
.delay-1 { animation-delay: 0.08s; }
.delay-2 { animation-delay: 0.16s; }
.delay-3 { animation-delay: 0.24s; }
.delay-4 { animation-delay: 0.32s; }

/* Sections */
.product,
.gallery,
.guide,
.official,
.voices,
.end {
  padding: clamp(4rem, 8vw, 6.5rem) 0;
}

.section-head {
  max-width: 42rem;
  margin: 0 auto 2.6rem;
  text-align: center;
}
.section-head h2,
.official-text h2,
.cinema-copy h2,
.end h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(2.1rem, 5vw, 3.2rem);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: 0.02em;
}
.section-head p,
.official-text p,
.cinema-copy p,
.end p {
  margin: 0;
  color: var(--soft);
  font-size: 1.05rem;
}
.official-text p + p { margin-top: 0.85rem; }

.pillars {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
.pillars article {
  position: relative;
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 1.6rem 1.45rem 1.5rem;
  display: grid;
  gap: 0.55rem;
  transform-style: preserve-3d;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  will-change: transform;
}
.pillars article:hover {
  box-shadow: 0 18px 40px rgba(80, 20, 36, 0.1);
}
.pillars em {
  font-family: var(--latin);
  font-style: normal;
  font-weight: 800;
  color: #fda4af;
  letter-spacing: 0.08em;
}
.pillars strong {
  font-size: 1.25rem;
  font-weight: 800;
}
.pillars span {
  color: var(--soft);
  font-size: 0.98rem;
  line-height: 1.7;
}

/* Gallery — keep natural image ratio, no stretch */
.stage {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(280px, 320px);
  gap: 1.35rem;
  overflow-x: auto;
  padding: 0.75rem max(1rem, calc((100vw - 1180px) / 2 + 1rem)) 1.8rem;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
  scrollbar-color: rgba(225, 29, 72, 0.35) transparent;
}
.shot {
  margin: 0;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  border-radius: 26px;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(225, 29, 72, 0.1);
  box-shadow: 0 24px 50px rgba(80, 20, 36, 0.1);
  transform-style: preserve-3d;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
  will-change: transform;
}
.shot:hover {
  box-shadow: 0 28px 56px rgba(80, 20, 36, 0.16);
}
.shot-frame {
  position: relative;
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(251, 113, 133, 0.18), transparent 60%),
    linear-gradient(180deg, #fff5f6, #ffe4e6);
  padding: 1rem 1rem 0.4rem;
  overflow: hidden;
}
.shot-frame::before {
  content: "";
  position: absolute;
  inset: -40% 20% auto;
  height: 55%;
  background: linear-gradient(120deg, transparent, rgba(255,255,255,0.55), transparent);
  transform: rotate(18deg);
  animation: frameGlow 4.8s linear infinite;
  pointer-events: none;
}
.shot-frame img {
  width: 100%;
  height: auto;
  max-height: none;
  object-fit: contain;
  object-position: center top;
  border-radius: 16px;
  box-shadow: 0 12px 28px rgba(80, 20, 36, 0.12);
  transition: transform 0.55s var(--ease);
}
.shot:hover .shot-frame img {
  transform: scale(1.03);
}
.shot figcaption {
  padding: 1.1rem 1.2rem 1.25rem;
  background: #fff;
}
.shot b {
  display: block;
  font-size: 1.18rem;
  font-weight: 800;
  margin-bottom: 0.35rem;
}
.shot span {
  display: block;
  color: var(--soft);
  font-size: 0.92rem;
  line-height: 1.65;
}

/* Cinema */
.cinema {
  position: relative;
  min-height: min(62vh, 560px);
  display: grid;
  place-items: center;
  overflow: hidden;
  color: #fff;
  text-align: center;
}
.cinema img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.05) contrast(1.05);
  transform: scale(1.05);
  transition: transform 8s linear;
}
.cinema.is-in img { transform: scale(1.12); }
.cinema::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,4,8,0.35), rgba(10,4,8,0.72));
}
.cinema-copy {
  position: relative;
  z-index: 1;
  padding: 3rem 1.25rem;
  max-width: 40rem;
}
.cinema-copy h2 {
  color: #fff;
  font-size: clamp(2.4rem, 6vw, 4rem);
}
.cinema-copy p { color: rgba(255,255,255,0.88); }

/* Guide */
.steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  counter-reset: step;
}
.steps li {
  position: relative;
  padding: 1.6rem 1.35rem 1.45rem;
  border-radius: 22px;
  background: rgba(255,255,255,0.86);
  border: 1px solid var(--line);
  overflow: hidden;
}
.steps li::before {
  counter-increment: step;
  content: counter(step);
  position: absolute;
  right: 1rem;
  top: 0.7rem;
  font-family: var(--latin);
  font-size: 3rem;
  font-weight: 800;
  color: rgba(225, 29, 72, 0.1);
  line-height: 1;
}
.steps strong {
  display: block;
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}
.steps p {
  margin: 0;
  color: var(--soft);
  font-size: 0.96rem;
}

/* Official */
.official-box {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 2rem;
  align-items: center;
  padding: clamp(1.8rem, 4vw, 3rem);
  border-radius: 28px;
  background:
    linear-gradient(135deg, rgba(255,241,242,0.95), rgba(255,255,255,0.92)),
    radial-gradient(500px 280px at 100% 0%, rgba(251,113,133,0.25), transparent 60%);
  border: 1px solid var(--line);
}
.official-text .btn { margin-top: 1.5rem; }
.official-mark {
  position: relative;
  justify-self: center;
  text-align: center;
}
.mark-ring {
  position: absolute;
  inset: -18px;
  border-radius: 50%;
  border: 1px dashed rgba(225, 29, 72, 0.35);
  animation: spin 18s linear infinite;
}
.official-mark img {
  position: relative;
  margin: 0 auto;
  border-radius: 32px;
  box-shadow: 0 22px 48px rgba(225, 29, 72, 0.22);
  animation: float 4.5s var(--ease) infinite;
}
.official-mark span {
  display: block;
  margin-top: 1.15rem;
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--rose-deep);
}

/* Voices */
.voices {
  background: linear-gradient(180deg, transparent, var(--mist) 45%, transparent);
}
.voice-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}
.voice-list li {
  padding: 1.25rem 1.35rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(225, 29, 72, 0.08);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.voice-list li:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 28px rgba(80, 20, 36, 0.08);
}
.voice-list header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}
.dot {
  width: 40px;
  height: 40px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #fecdd3, #fb7185);
  color: #9f1239;
  font-weight: 800;
}
.voice-list strong { display: block; font-size: 0.98rem; }
.voice-list time {
  display: block;
  font-size: 0.8rem;
  color: var(--fade);
  font-family: var(--latin);
}
.voice-list p {
  margin: 0;
  color: var(--soft);
  font-size: 0.98rem;
}

/* End */
.end { padding-top: 2rem; }
.end-inner {
  text-align: center;
  padding: 3rem 1rem;
  border-top: 1px solid var(--line);
  max-width: 36rem;
}
.end-inner img {
  margin: 0 auto 1rem;
  border-radius: 16px;
}
.end-inner .btn { margin-top: 1.2rem; }

.foot {
  padding: 1.6rem 0 2.4rem;
  color: var(--fade);
  font-size: 0.9rem;
}
.foot-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
}
.foot p { margin: 0; }
.foot a { color: var(--rose); font-weight: 700; }
.foot strong { color: var(--ink); }

/* Motion */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.is-in {
  opacity: 1;
  transform: none;
}

@keyframes up {
  to { opacity: 1; transform: none; }
}
@keyframes ken {
  from { transform: scale(1.06) translateY(0); }
  to { transform: scale(1.12) translateY(-2%); }
}
@keyframes drip {
  0%, 100% { opacity: 0.3; transform: translateY(0); }
  50% { opacity: 1; transform: translateY(10px); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes shine {
  0%, 55% { transform: translateX(-120%); }
  100% { transform: translateX(120%); }
}
@keyframes orb {
  from { transform: translate3d(0, 0, 0) scale(1); }
  to { transform: translate3d(24px, -18px, 0) scale(1.08); }
}
@keyframes pulseLogo {
  0%, 100% { transform: scale(1); box-shadow: 0 20px 50px rgba(0, 0, 0, 0.35); }
  50% { transform: scale(1.04); box-shadow: 0 24px 60px rgba(225, 29, 72, 0.35); }
}
@keyframes frameGlow {
  from { transform: translateX(-40%) rotate(18deg); }
  to { transform: translateX(140%) rotate(18deg); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .pop, .hero-bg img, .official-mark img, .hero-scroll span, .reveal,
  .shimmer::after, .hero-orb, .hero-logo img, .mark-ring, .shot-frame::before {
    animation: none !important;
    transition: none !important;
    opacity: 1;
    transform: none;
  }
  .spark { display: none; }
}

@media (max-width: 960px) {
  .links, .nav .btn-sm { display: none; }
  .menu { display: inline-flex; }
  .pillars { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .official-box { grid-template-columns: 1fr; text-align: center; }
  .official-text .btn { width: min(100%, 280px); }
}

@media (max-width: 560px) {
  :root { --wrap: min(1180px, calc(100% - 1.35rem)); }
  .hero h1 { font-size: clamp(3.6rem, 18vw, 5rem); letter-spacing: 0.04em; }
  .hero-line { letter-spacing: 0.1em; }
  .hero-cta { width: 100%; }
  .hero-cta .btn-lg,
  .hero-cta .btn-ghost { flex: 1 1 100%; }
  .stage { grid-auto-columns: minmax(82vw, 300px); }
  .btn-lg { width: 100%; }
}