:root {
  --v4-red: #E63946;
  --v4-green: #7CB342;
  --v4-yellow: #FDD835;
  --v4-orange: #FF6F00;
  --v4-gold: #FFC107;
  --v4-blue: #1976D2;
  --v4-white: #FFFFFF;
  --v4-black: #0A0A0A;
  --v4-deep-brown: #2A0E08;
  --v4-mid-brown: #4A1B0C;
  --v4-paper: #FFF8D7;
  --v4-shadow: 6px 6px 0 var(--v4-black);
  --v4-stroke: 4px solid var(--v4-black);
  --v4-radius: 18px;
  --v4-max: 1180px;
  --v4-safe-top: env(safe-area-inset-top, 0px);
  --v4-safe-bottom: env(safe-area-inset-bottom, 0px);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--v4-black);
  background: var(--v4-black);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
}
body.v4-no-scroll { overflow: hidden; }
a { color: inherit; }
img { max-width: 100%; height: auto; display: block; }
button, a { -webkit-tap-highlight-color: rgba(0, 0, 0, 0.14); }

.v4-skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 999;
  background: var(--v4-yellow);
  color: var(--v4-black);
  border: var(--v4-stroke);
  padding: 10px 16px;
  font-weight: 900;
}
.v4-skip-link:focus { top: 16px; }

.v4-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.v4-page { background: var(--v4-red); }
.v4-container {
  width: min(var(--v4-max), calc(100% - 32px));
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.v4-section {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: 92px 0;
  border-top: 6px solid var(--v4-black);
  border-bottom: 6px solid var(--v4-black);
}
.v4-section::after {
  content: "";
  position: absolute;
  inset: auto -3% -40px -3%;
  height: 80px;
  background: currentColor;
  border-top: 6px solid var(--v4-black);
  transform: rotate(-2deg);
  transform-origin: center;
  z-index: 1;
  opacity: 0.05;
}
.v4-halftone {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, #0A0A0A 1.8px, transparent 1.8px);
  background-size: 14px 14px;
  opacity: 0.23;
  pointer-events: none;
  z-index: 0;
}

.v4-section-kicker {
  display: inline-block;
  margin: 0 0 14px;
  padding: 7px 14px 6px;
  background: var(--v4-yellow);
  color: var(--v4-black);
  border: var(--v4-stroke);
  box-shadow: 4px 4px 0 var(--v4-black);
  font-family: "Bungee", "Noto Sans SC", sans-serif;
  font-weight: 900;
  text-transform: uppercase;
  transform: rotate(-1.5deg);
}
.v4-section-title {
  margin: 0 0 18px;
  font-size: clamp(2rem, 4.5vw, 4.6rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.04em;
  text-wrap: balance;
}
.v4-section-lead {
  margin: 0 0 34px;
  max-width: 840px;
  font-size: clamp(1.05rem, 2.2vw, 1.34rem);
  font-weight: 700;
}

.v4-letterized {
  display: inline-block;
  position: relative;
  font-family: "Luckiest Guy", "Bangers", Impact, "Arial Black", sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.015em;
  color: var(--v4-yellow);
  background: linear-gradient(180deg, #FFF176 0%, #FDD835 34%, #FFA726 67%, #E65100 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  -webkit-text-stroke: 6px var(--v4-black);
  paint-order: stroke fill;
  text-shadow: 2px 2px 0 #4A1B0C, 4px 4px 0 #42170A, 6px 6px 0 #381308, 8px 8px 0 #321006, 10px 10px 0 #2D0F07, 12px 12px 0 #2A0E08;
  transform: rotate(-1deg);
  filter: drop-shadow(2px 4px 0 rgba(10, 10, 10, 0.25));
}
.v4-letterized::before {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  z-index: -1;
  color: #2A0E08;
  -webkit-text-fill-color: #2A0E08;
  -webkit-text-stroke: 7px #0A0A0A;
  transform: translate(13px, 13px);
  opacity: 0.95;
}
.v4-letter {
  display: inline-block;
  transform: translateY(var(--v4-y, 0)) rotate(var(--v4-r, 0deg));
  transform-origin: 50% 78%;
}
.v4-letter-space { display: inline-block; width: 0.26em; }

.v4-btn {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 22px;
  border: 5px solid var(--v4-black);
  border-radius: 15px;
  text-decoration: none;
  font-weight: 900;
  font-size: clamp(1rem, 2vw, 1.18rem);
  line-height: 1.1;
  transition: transform 150ms ease, box-shadow 150ms ease;
  cursor: pointer;
}
.v4-btn-primary {
  color: var(--v4-black);
  background: var(--v4-yellow);
  box-shadow: var(--v4-shadow);
  transform: rotate(-2deg);
}
.v4-btn-primary:hover,
.v4-btn-primary:focus-visible {
  transform: translate(4px, 4px) rotate(-1deg);
  box-shadow: 2px 2px 0 var(--v4-black);
}
.v4-btn-secondary {
  background: var(--v4-white);
  color: var(--v4-red);
  box-shadow: 4px 4px 0 var(--v4-black);
  transform: rotate(1deg);
}
.v4-btn-secondary:hover,
.v4-btn-secondary:focus-visible {
  transform: translate(3px, 3px) rotate(0deg);
  box-shadow: 1px 1px 0 var(--v4-black);
}
.v4-btn-large { font-size: clamp(1.15rem, 2.6vw, 1.8rem); padding: 18px 28px; }

.v4-deco {
  position: absolute;
  z-index: 3;
  width: 72px;
  pointer-events: none;
  animation: v4-pop 1.8s ease-in-out infinite alternate;
}
.v4-deco-bolt { width: 74px; }
.v4-deco-star { width: 58px; }
.v4-deco-bolt-1 { top: 11%; left: 5%; transform: rotate(-16deg); }
.v4-deco-bolt-2 { top: 16%; right: 8%; transform: rotate(20deg); animation-delay: .5s; }
.v4-deco-bolt-3 { top: 9%; right: 9%; transform: rotate(9deg); animation-delay: .2s; }
.v4-deco-bolt-4 { bottom: 12%; left: 8%; transform: rotate(-8deg); animation-delay: .8s; }
.v4-deco-star-1 { top: 7%; right: 24%; transform: rotate(12deg); }
.v4-deco-star-2 { bottom: 14%; left: 24%; transform: rotate(-20deg); animation-delay: .4s; }
.v4-deco-star-3 { top: 12%; right: 5%; transform: rotate(18deg); }
.v4-deco-star-4 { top: 18%; left: 5%; transform: rotate(-8deg); }
.v4-deco-star-5 { bottom: 11%; right: 6%; transform: rotate(16deg); animation-delay: .3s; }
.v4-deco-star-6 { top: 13%; right: 7%; transform: rotate(-18deg); }
.v4-deco-star-7 { bottom: 15%; left: 5%; transform: rotate(18deg); }

.v4-hero {
  min-height: 100svh;
  padding: calc(72px + var(--v4-safe-top)) 0 96px;
  background: var(--v4-red);
  color: var(--v4-white);
}
.v4-hero::before {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -6%;
  width: 68%;
  height: 56%;
  background: var(--v4-green);
  border: 7px solid var(--v4-black);
  transform: rotate(-8deg);
  z-index: 0;
}
.v4-speed-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}
.v4-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
  align-items: center;
  gap: 44px;
}
.v4-topline,
.v4-coordinates,
.v4-classified {
  display: inline-block;
  margin: 0 0 10px;
  padding: 5px 10px;
  color: var(--v4-black);
  background: var(--v4-white);
  border: 3px solid var(--v4-black);
  box-shadow: 3px 3px 0 var(--v4-black);
  font-family: "Bungee", "Noto Sans SC", sans-serif;
  font-size: clamp(.72rem, 1.5vw, .98rem);
  line-height: 1.25;
  transform: rotate(-1deg);
}
.v4-topline-secondary { transform: rotate(1deg); background: var(--v4-yellow); }
.v4-coordinates { background: var(--v4-blue); color: var(--v4-white); transform: rotate(1deg); }
.v4-classified { background: var(--v4-black); color: var(--v4-yellow); border-color: var(--v4-white); transform: rotate(-2deg); }
.v4-hero-title { margin: 24px 0 24px; line-height: .88; }
.v4-title-cn {
  display: block;
  margin-bottom: 16px;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: clamp(2.35rem, 7.2vw, 6.2rem);
  letter-spacing: -0.08em;
  animation: v4-title-drop 740ms cubic-bezier(.1, 1.45, .35, 1) both;
}
.v4-title-en {
  display: block;
  font-size: clamp(3.4rem, 11.5vw, 10.8rem);
  line-height: .78;
  max-width: 760px;
  animation: v4-title-drop 820ms cubic-bezier(.1, 1.45, .35, 1) 90ms both;
}
.v4-title-en .v4-letterized { display: block; width: max-content; max-width: 100%; }
.v4-title-en .v4-letterized:nth-child(2) { margin-left: .25em; transform: rotate(1deg); }
.v4-title-en-small { margin-left: .9em; font-size: .68em; transform: rotate(-2deg) !important; }
.v4-hero-poster-card {
  position: relative;
  z-index: 4;
  width: min(100%, 860px);
  margin: 0 0 28px;
  overflow: hidden;
  background: var(--v4-white);
  border: 7px solid var(--v4-black);
  box-shadow: 12px 12px 0 var(--v4-black);
  transform: rotate(-1deg);
}
.v4-hero-poster-card::after {
  content: "TOP SECRET";
  position: absolute;
  right: 18px;
  bottom: 16px;
  padding: 7px 14px;
  color: var(--v4-white);
  background: var(--v4-red);
  border: 4px solid var(--v4-black);
  box-shadow: 4px 4px 0 var(--v4-black);
  font-family: "Bungee", "Noto Sans SC", sans-serif;
  font-size: clamp(.72rem, 1.5vw, .98rem);
  line-height: 1;
  transform: rotate(7deg);
}
.v4-hero-poster {
  display: block;
  width: 100%;
  height: auto;
}
.v4-hero-intro {
  max-width: 720px;
  margin: 0 0 26px;
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  font-weight: 900;
}
.v4-hero-intro p { margin: 0 0 8px; }
.v4-hero-actions { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }
.v4-hero-brief {
  position: relative;
  display: grid;
  gap: 18px;
  padding: 26px;
  color: var(--v4-black);
  background: rgba(255,255,255,.12);
  border-radius: 22px;
}
.v4-stamp,
.v4-price-stamp {
  position: absolute;
  z-index: 5;
  top: -22px;
  right: 4px;
  display: inline-block;
  padding: 8px 16px;
  background: var(--v4-red);
  color: var(--v4-white);
  border: 4px solid var(--v4-black);
  box-shadow: 4px 4px 0 var(--v4-black);
  font-family: "Bungee", "Noto Sans SC", sans-serif;
  font-size: .9rem;
  transform: rotate(10deg);
}
.v4-info-bubble {
  position: relative;
  background: var(--v4-white);
  border: 5px solid var(--v4-black);
  border-radius: 24px;
  padding: 18px 20px;
  box-shadow: 5px 5px 0 var(--v4-black);
  transform: rotate(var(--v4-tilt, -1.5deg));
}
.v4-info-bubble:nth-of-type(2) { --v4-tilt: 1.2deg; }
.v4-info-bubble:nth-of-type(3) { --v4-tilt: -2deg; }
.v4-info-bubble:nth-of-type(4) { --v4-tilt: 1.5deg; }
.v4-info-bubble::after,
.v4-speech::after {
  content: "";
  position: absolute;
  bottom: -18px;
  left: 34px;
  width: 28px;
  height: 24px;
  background: inherit;
  border-left: 5px solid var(--v4-black);
  border-bottom: 5px solid var(--v4-black);
  transform: skew(-18deg) rotate(-14deg);
}
.v4-info-bubble h2 { margin: 0 0 4px; font-size: 1rem; font-family: "Bungee", "Noto Sans SC", sans-serif; }
.v4-info-bubble p { margin: 0; font-size: 1.12rem; font-weight: 900; }

.v4-missions { background: var(--v4-green); color: var(--v4-black); }
.v4-mission-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.v4-mission-card {
  min-height: 300px;
  position: relative;
  padding: 22px;
  border: 5px solid var(--v4-black);
  border-radius: 20px;
  box-shadow: 8px 8px 0 var(--v4-black);
  overflow: hidden;
  transform: rotate(var(--v4-card-tilt, -1deg));
}
.v4-mission-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, #0A0A0A 1.6px, transparent 1.6px);
  background-size: 12px 12px;
  opacity: .13;
  pointer-events: none;
}
.v4-mission-card > * { position: relative; z-index: 1; }
.v4-mission-card h3 { margin: 14px 0 10px; font-size: 1.8rem; line-height: 1.08; font-weight: 900; }
.v4-mission-card p { font-weight: 800; }
.v4-mission-tag {
  display: inline-block;
  margin: 0;
  padding: 4px 9px;
  background: var(--v4-white);
  border: 3px solid var(--v4-black);
  font-family: "Bungee", "Noto Sans SC", sans-serif;
  font-size: .78rem;
}
.v4-mission-number {
  margin: 18px 0 0;
  font-family: "Bungee", "Noto Sans SC", sans-serif;
  font-size: 5rem;
  line-height: .8;
  color: var(--v4-yellow);
  -webkit-text-stroke: 4px var(--v4-black);
  text-shadow: 4px 4px 0 #2A0E08, 7px 7px 0 var(--v4-black);
}
.v4-mission-red { background: var(--v4-red); color: var(--v4-white); --v4-card-tilt: -2deg; }
.v4-mission-yellow { background: var(--v4-yellow); --v4-card-tilt: 1.6deg; }
.v4-mission-blue { background: var(--v4-blue); color: var(--v4-white); --v4-card-tilt: -1deg; }
.v4-mission-orange { background: var(--v4-orange); color: var(--v4-white); --v4-card-tilt: 1.3deg; }

.v4-assurance { background: var(--v4-white); color: var(--v4-black); }
.v4-assurance-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.v4-speech {
  position: relative;
  background: var(--v4-white);
  color: var(--v4-black);
  border: 5px solid var(--v4-black);
  border-radius: 28px;
  padding: 24px;
  box-shadow: 7px 7px 0 var(--v4-black);
  transform: rotate(var(--v4-speech-tilt, -1deg));
}
.v4-speech:nth-child(even) { --v4-speech-tilt: 1deg; }
.v4-speech h3 { margin: 0 0 10px; font-size: 1.35rem; line-height: 1.15; font-weight: 900; }
.v4-speech p { margin: 0; font-weight: 700; }
.v4-icon {
  display: inline-flex;
  min-width: 38px;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  background: var(--v4-yellow);
  border: 3px solid var(--v4-black);
  border-radius: 50%;
}
.v4-promise {
  margin-top: 54px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: center;
  background: var(--v4-blue);
  color: var(--v4-white);
  border: 5px solid var(--v4-black);
  border-radius: 24px;
  box-shadow: 8px 8px 0 var(--v4-black);
  padding: 24px;
}
.v4-promise-badge {
  width: 132px;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  background: var(--v4-white);
  color: var(--v4-black);
  border: 5px solid var(--v4-black);
  font-family: "Bungee", "Noto Sans SC", sans-serif;
  font-size: 1.12rem;
  text-align: center;
  line-height: 1.05;
  box-shadow: 5px 5px 0 var(--v4-black);
  transform: rotate(-4deg);
}
.v4-promise p { margin: 0; font-weight: 900; font-size: 1.1rem; }

.v4-schedule { background: var(--v4-red); color: var(--v4-white); }
.v4-timeline {
  position: relative;
  list-style: none;
  padding: 0;
  margin: 38px 0 0;
  display: grid;
  gap: 20px;
}
.v4-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 8px;
  background: var(--v4-black);
  border-radius: 99px;
  transform: translateX(-50%);
}
.v4-timeline-item {
  width: calc(50% - 34px);
  position: relative;
  padding: 24px;
  color: var(--v4-black);
  background: var(--v4-paper);
  border: 5px solid var(--v4-black);
  border-radius: 18px;
  box-shadow: 7px 7px 0 var(--v4-black);
  transform: rotate(-1.5deg);
}
.v4-timeline-item:nth-child(even) { margin-left: calc(50% + 34px); transform: rotate(1.5deg); }
.v4-timeline-item::before {
  content: "";
  position: absolute;
  top: 30px;
  width: 52px;
  height: 8px;
  background: var(--v4-black);
}
.v4-timeline-item:nth-child(odd)::before { right: -56px; }
.v4-timeline-item:nth-child(even)::before { left: -56px; }
.v4-timeline-item time {
  display: inline-block;
  margin: -38px 0 13px;
  padding: 7px 12px;
  background: var(--v4-yellow);
  border: 4px solid var(--v4-black);
  box-shadow: 4px 4px 0 var(--v4-black);
  font-family: "Bungee", "Noto Sans SC", sans-serif;
  font-size: .9rem;
  transform: rotate(-3deg);
}
.v4-timeline-item h3 { margin: 0 0 8px; font-size: 1.3rem; line-height: 1.12; font-weight: 900; }
.v4-timeline-item p { margin: 0; font-weight: 700; }
.v4-schedule-note {
  margin: 34px auto 0;
  max-width: 860px;
  color: var(--v4-black);
  background: var(--v4-white);
  border: 5px solid var(--v4-black);
  box-shadow: 6px 6px 0 var(--v4-black);
  padding: 18px 20px;
  font-weight: 900;
  transform: rotate(-.8deg);
}

.v4-gallery { background: var(--v4-green); color: var(--v4-black); }
.v4-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}
.v4-photo-card {
  margin: 0;
  padding: 12px 12px 16px;
  background: var(--v4-white);
  border: 5px solid var(--v4-black);
  box-shadow: 7px 7px 0 var(--v4-black);
  transform: rotate(var(--v4-photo-tilt, -2deg));
}
.v4-photo-card:nth-child(even) { --v4-photo-tilt: 2deg; }
.v4-photo-card:nth-child(3n) { --v4-photo-tilt: -1deg; }
.v4-photo-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 4px solid var(--v4-black);
  background: #ddd;
}
.v4-photo-card figcaption {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-top: 12px;
  font-weight: 900;
}
.v4-photo-card span {
  display: inline-block;
  padding: 4px 8px;
  background: var(--v4-black);
  color: var(--v4-white);
  font-family: "Bungee", "Noto Sans SC", sans-serif;
  font-size: .74rem;
}
.v4-photo-card strong { font-size: .96rem; text-align: right; }

.v4-price { background: var(--v4-yellow); color: var(--v4-black); }
.v4-price-grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(320px, 1.1fr);
  gap: 42px;
  align-items: center;
}
.v4-price-band {
  display: inline-block;
  margin: 0 0 18px;
  padding: 8px 13px;
  background: var(--v4-black);
  color: var(--v4-yellow);
  border: 4px solid var(--v4-white);
  box-shadow: 4px 4px 0 var(--v4-black);
  font-family: "Bungee", "Noto Sans SC", sans-serif;
}
.v4-price-tag { display: grid; gap: 6px; align-items: start; }
.v4-dollar {
  display: block;
  font-family: "Bungee", "Noto Sans SC", sans-serif;
  font-size: clamp(6rem, 15vw, 12rem);
  line-height: .88;
  color: var(--v4-red);
  -webkit-text-stroke: 7px var(--v4-black);
  text-shadow: 5px 5px 0 #4A1B0C, 10px 10px 0 var(--v4-black);
  transform: rotate(-4deg);
}
.v4-price-tag span:last-child { font-size: 1.5rem; font-weight: 900; }
.v4-price-note { font-size: 1.18rem; font-weight: 900; }
.v4-price-panel {
  position: relative;
  background: var(--v4-white);
  border: 5px solid var(--v4-black);
  border-radius: 24px;
  box-shadow: 9px 9px 0 var(--v4-black);
  padding: 38px 30px 28px;
  transform: rotate(1deg);
}
.v4-price-stamp { top: -28px; right: 24px; background: var(--v4-red); }
.v4-inclusion-list {
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.v4-inclusion-list li {
  position: relative;
  padding-left: 36px;
  font-weight: 900;
}
.v4-inclusion-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .28em;
  width: 22px;
  height: 22px;
  background: var(--v4-green);
  border: 3px solid var(--v4-black);
  border-radius: 50%;
  box-shadow: 2px 2px 0 var(--v4-black);
}
.v4-limited { margin: 18px 0 0; font-weight: 900; }

.v4-faq { background: var(--v4-white); color: var(--v4-black); }
.v4-faq-list { display: grid; gap: 16px; }
.v4-faq-item {
  background: var(--v4-white);
  border: 5px solid var(--v4-black);
  border-radius: 18px;
  box-shadow: 6px 6px 0 var(--v4-black);
  overflow: hidden;
}
.v4-faq-item summary {
  min-height: 44px;
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 18px 56px 18px 20px;
  font-size: 1.16rem;
  font-weight: 900;
  list-style: none;
}
.v4-faq-item summary::-webkit-details-marker { display: none; }
.v4-faq-item summary::before {
  content: "";
  flex: 0 0 32px;
  width: 32px;
  height: 26px;
  background: var(--v4-yellow);
  border: 4px solid var(--v4-black);
  border-radius: 50%;
  box-shadow: 3px 3px 0 var(--v4-black);
}
.v4-faq-item summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-family: "Bungee", sans-serif;
  font-size: 1.6rem;
}
.v4-faq-item[open] summary { background: var(--v4-yellow); border-bottom: 4px solid var(--v4-black); }
.v4-faq-item[open] summary::after { content: "–"; }
.v4-faq-item p { margin: 0; padding: 18px 22px; font-weight: 700; }
.v4-faq-item p + p { padding-top: 0; }

.v4-final-cta { background: var(--v4-blue); color: var(--v4-white); padding-bottom: 110px; }
.v4-final-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, .65fr);
  gap: 36px;
  align-items: center;
}
.v4-adapt-note { margin: 20px 0 0; font-weight: 900; }
.v4-contact-card {
  background: var(--v4-white);
  color: var(--v4-black);
  border: 5px solid var(--v4-black);
  border-radius: 24px;
  box-shadow: 8px 8px 0 var(--v4-black);
  padding: 22px;
  transform: rotate(1.2deg);
}
.v4-contact-card h3 { margin: 0 0 18px; font-size: 1.35rem; line-height: 1.15; }
.v4-wechat-img {
  width: min(100%, 320px);
  margin: 0 auto;
  border: 5px solid var(--v4-black);
  background: var(--v4-white);
}
.v4-contact-card p {
  margin: 14px 0 0;
  text-align: center;
  font-family: "Bungee", "Noto Sans SC", sans-serif;
  font-size: .9rem;
}

.v4-footer {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--v4-blue);
  color: var(--v4-white);
  border-top: 7px solid var(--v4-black);
  padding: 54px 0 calc(28px + var(--v4-safe-bottom));
}
.v4-footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(180px, .5fr) minmax(240px, .8fr);
  gap: 28px;
}
.v4-footer-logo {
  width: 96px;
  border: 4px solid var(--v4-black);
  box-shadow: 4px 4px 0 var(--v4-black);
  background: var(--v4-white);
  margin-bottom: 16px;
}
.v4-footer h2,
.v4-footer h3 { margin: 0 0 12px; font-weight: 900; }
.v4-footer p { margin: 0 0 8px; font-weight: 700; }
.v4-footer-nav { display: grid; align-content: start; gap: 9px; }
.v4-footer-nav a,
.v4-footer-nav span,
.v4-footer-bottom a {
  color: var(--v4-white);
  font-weight: 900;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}
.v4-footer-privacy {
  background: rgba(255,255,255,.12);
  border: 4px solid var(--v4-black);
  box-shadow: 5px 5px 0 var(--v4-black);
  padding: 18px;
}
.v4-footer-bottom {
  width: min(var(--v4-max), calc(100% - 32px));
  margin: 32px auto 0;
  padding-top: 22px;
  border-top: 4px solid var(--v4-black);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 2;
}
.v4-footer-bottom p { margin: 0; font-weight: 900; }
.v4-classic-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 12px;
  background: var(--v4-yellow);
  color: var(--v4-black) !important;
  border: 4px solid var(--v4-black);
  box-shadow: 4px 4px 0 var(--v4-black);
  text-decoration: none;
}

.v4-animate-in {
  opacity: 0;
  transform: translateY(24px) scale(.98) rotate(var(--v4-tilt, 0deg));
  transition: opacity 560ms ease, transform 560ms cubic-bezier(.15, 1.2, .3, 1);
}
.v4-animate-in.v4-is-visible {
  opacity: 1;
  transform: translateY(0) scale(1) rotate(var(--v4-tilt, 0deg));
}

@keyframes v4-title-drop {
  0% { opacity: 0; transform: translateY(-70px) rotate(-8deg) scale(.92); }
  70% { opacity: 1; transform: translateY(8px) rotate(2deg) scale(1.02); }
  100% { opacity: 1; transform: translateY(0) rotate(-1deg) scale(1); }
}
@keyframes v4-pop {
  from { transform: translateY(0) rotate(var(--v4-start-rotate, 0deg)) scale(1); }
  to { transform: translateY(-6px) rotate(var(--v4-end-rotate, 8deg)) scale(1.05); }
}

@media (max-width: 980px) {
  .v4-section { padding: 76px 0; }
  .v4-hero-grid,
  .v4-price-grid,
  .v4-final-grid,
  .v4-footer-grid { grid-template-columns: 1fr; }
  .v4-mission-grid,
  .v4-assurance-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .v4-gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .v4-hero-brief { padding: 10px 0 0; }
}

@media (max-width: 768px) {
  body { font-size: 15px; }
  .v4-container { width: min(100% - 24px, var(--v4-max)); }
  .v4-section { padding: 58px 0; }
  .v4-hero { padding-top: calc(44px + var(--v4-safe-top)); }
  .v4-hero::before { width: 92%; height: 36%; right: -26%; bottom: 2%; }
  .v4-speed-lines { opacity: .55; }
  .v4-title-cn { font-size: clamp(2rem, 13vw, 4.1rem); }
  .v4-title-en { font-size: clamp(3rem, 19vw, 5.6rem); }
  .v4-letterized {
    -webkit-text-stroke: 4px var(--v4-black);
    text-shadow: 2px 2px 0 #4A1B0C, 4px 4px 0 #381308, 6px 6px 0 #2A0E08, 8px 8px 0 var(--v4-black);
  }
  .v4-letterized::before {
    -webkit-text-stroke: 5px var(--v4-black);
    transform: translate(8px, 8px);
  }
  .v4-hero-actions { flex-direction: column; align-items: stretch; }
  .v4-btn { width: 100%; }
  .v4-hero-poster-card { margin-bottom: 24px; border-width: 5px; box-shadow: 7px 7px 0 var(--v4-black); transform: rotate(-.5deg); }
  .v4-hero-poster-card::after { right: 10px; bottom: 10px; border-width: 3px; box-shadow: 3px 3px 0 var(--v4-black); }
  .v4-mission-grid,
  .v4-assurance-grid,
  .v4-gallery-grid { grid-template-columns: 1fr; }
  .v4-timeline::before { left: 16px; }
  .v4-timeline-item,
  .v4-timeline-item:nth-child(even) {
    width: calc(100% - 34px);
    margin-left: 34px;
    transform: rotate(0deg);
  }
  .v4-timeline-item::before,
  .v4-timeline-item:nth-child(even)::before,
  .v4-timeline-item:nth-child(odd)::before { left: -30px; right: auto; width: 28px; }
  .v4-promise { grid-template-columns: 1fr; }
  .v4-promise-badge { width: 112px; }
  .v4-dollar { -webkit-text-stroke: 4px var(--v4-black); text-shadow: 4px 4px 0 #4A1B0C, 7px 7px 0 var(--v4-black); }
  .v4-deco { width: 48px; }
  .v4-deco-bolt { width: 56px; }
  .v4-footer-bottom { display: grid; gap: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; scroll-behavior: auto !important; transition-duration: 0.001ms !important; }
  .v4-animate-in { opacity: 1; transform: none; }
}

/* 2026-05-15 微调：首屏直接使用处理后的海报图，不再叠加额外首屏装饰或印章，避免遮挡海报本体。 */
.v4-hero > .v4-deco { display: none; }
.v4-hero-poster-card::after { display: none; }


/* =========================
   V4 targeted refinements
   ========================= */
body { padding-bottom: calc(92px + var(--v4-safe-bottom)); }

.v4-missions .v4-section-title {
  display: inline-block;
  max-width: 1120px;
  padding: 16px 22px 14px;
  margin-bottom: 18px;
  color: var(--v4-black);
  background: var(--v4-white);
  border: 6px solid var(--v4-black);
  border-radius: 16px;
  box-shadow: 7px 7px 0 var(--v4-black);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-weight: 900;
  letter-spacing: -0.02em;
  text-transform: none;
  -webkit-text-fill-color: var(--v4-black);
  -webkit-text-stroke: 0 transparent;
  text-shadow: none;
  filter: none;
  transform: rotate(-1deg);
}
.v4-missions .v4-section-title::before { display: none; }
.v4-missions .v4-section-title .v4-letter { transform: none !important; }
.v4-missions .v4-section-title .v4-letter-space { width: .28em; }

.v4-mission-tag {
  color: var(--v4-black) !important;
  background: var(--v4-white) !important;
  border: 3px solid var(--v4-black) !important;
  box-shadow: 3px 3px 0 var(--v4-black);
  min-width: 132px;
  text-align: center;
}

.v4-icon {
  width: 45px;
  height: 45px;
  border-radius: 999px;
  border: 4px solid var(--v4-black);
  background: var(--v4-yellow);
  box-shadow: 3px 3px 0 var(--v4-black);
  margin-bottom: 14px;
  font-size: 0;
  line-height: 0;
}
.v4-icon::before,
.v4-icon::after { content: none !important; }

.v4-video-card {
  margin: 8px 0 34px;
  background: #071120;
  color: var(--v4-white);
  border: 6px solid var(--v4-black);
  border-radius: 24px;
  box-shadow: 10px 10px 0 var(--v4-black);
  overflow: hidden;
  transform: rotate(-.4deg);
}
.v4-video-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--v4-black);
  color: var(--v4-yellow);
  font-family: "Bungee", "Noto Sans SC", sans-serif;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.v4-video-head strong { display: inline-flex; align-items: center; gap: 8px; color: var(--v4-white); }
.v4-video-head i {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #E63946;
  display: inline-block;
  animation: v4-rec 1.1s steps(2, jump-none) infinite;
}
.v4-camp-video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
}
.v4-video-card figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 16px 16px;
  background: #071120;
  color: var(--v4-white);
  font-weight: 900;
}
.v4-video-card figcaption span {
  padding: 5px 12px;
  color: var(--v4-black);
  background: var(--v4-yellow);
  border: 3px solid var(--v4-black);
  border-radius: 8px;
  font-family: "Bungee", "Noto Sans SC", sans-serif;
}
@keyframes v4-rec { 50% { opacity: .35; } }

.v4-price-tag {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
}
.v4-price-tag span:last-child {
  padding-bottom: .32em;
  white-space: nowrap;
}
.v4-deco-bolt-4 {
  left: auto;
  right: 6%;
  bottom: auto;
  top: 58%;
  transform: rotate(12deg);
}

.v4-contact-card { display: none; }
html[data-v4-env="wechat"] .v4-contact-card { display: block; }
html:not([data-v4-env="wechat"]) .v4-final-grid {
  grid-template-columns: minmax(0, 920px);
  justify-content: center;
}
html:not([data-v4-env="wechat"]) .v4-final-copy { text-align: center; }

.v4-sticky-register {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: min(5vw, 42px);
  padding: 14px 18px calc(14px + var(--v4-safe-bottom));
  background: rgba(7, 17, 32, .96);
  color: var(--v4-white);
  border-top: 5px solid var(--v4-black);
  box-shadow: 0 -4px 0 rgba(255, 255, 255, .08);
}
.v4-sticky-copy {
  display: grid;
  gap: 2px;
  min-width: 0;
}
.v4-sticky-copy strong {
  color: var(--v4-gold);
  font-size: clamp(1rem, 3vw, 1.35rem);
  line-height: 1.15;
  font-weight: 900;
}
.v4-sticky-copy span {
  color: rgba(255,255,255,.82);
  font-size: clamp(.86rem, 2.4vw, 1rem);
  font-weight: 700;
}
.v4-sticky-btn {
  min-height: 54px;
  padding: 12px 24px;
  border-radius: 16px;
  border: 4px solid var(--v4-black);
  background: linear-gradient(135deg, var(--v4-yellow), var(--v4-orange));
  color: var(--v4-black);
  text-decoration: none;
  font-weight: 900;
  white-space: nowrap;
  box-shadow: 5px 5px 0 var(--v4-black);
}
.v4-sticky-btn:active { transform: translate(3px, 3px); box-shadow: 2px 2px 0 var(--v4-black); }

@media (max-width: 768px) {
  body { padding-bottom: calc(86px + var(--v4-safe-bottom)); }
  .v4-missions .v4-section-title { font-size: clamp(1.55rem, 8vw, 2.4rem); padding: 12px 14px; border-width: 5px; }
  .v4-video-card { border-width: 5px; box-shadow: 7px 7px 0 var(--v4-black); }
  .v4-video-card figcaption { display: grid; justify-content: start; }
  .v4-price-tag { align-items: baseline; gap: 10px; }
  .v4-price-tag span:last-child { font-size: 1.15rem; padding-bottom: .15em; }
  .v4-deco-bolt-4 { right: 3%; top: 66%; width: 56px; }
  .v4-sticky-register { justify-content: space-between; gap: 12px; padding-left: 14px; padding-right: 14px; }
  .v4-sticky-btn { min-height: 50px; padding: 11px 18px; }
}

@media (max-width: 420px) {
  .v4-sticky-copy strong { font-size: .98rem; }
  .v4-sticky-copy span { font-size: .78rem; }
  .v4-sticky-btn { padding: 10px 14px; font-size: .96rem; }
}