@charset "UTF-8";

:root {
  --black: #060809;
  --black-soft: #0b0e10;
  --panel: #101416;
  --panel-light: #171c1f;
  --bone: #e8e4da;
  --muted: #92999c;
  --line: rgba(232, 228, 218, 0.17);
  --red: #a51519;
  --red-bright: #d1292f;
  --cold: #9cb8c2;
  --header-height: 78px;
  --container: 1200px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  min-width: 320px;
  margin: 0;
  padding-top: var(--header-height);
  overflow-x: hidden;
  color: var(--bone);
  background: var(--black);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.65;
}

body.menu-open {
  overflow: hidden;
}

button,
input,
textarea {
  color: inherit;
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.container {
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
}

.section-index,
.eyebrow {
  margin: 0 0 18px;
  color: var(--red-bright);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.section-heading h2,
.world-copy h2,
.story-content h2,
.ai-inner h2,
.coop-copy h2,
.replay-copy h2,
.reviews-heading h2,
.faq-title h2,
.download-inner h2 {
  margin: 0;
  font-family: Georgia, "Microsoft YaHei", serif;
  font-size: clamp(38px, 5vw, 68px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.04em;
}

.site-header {
  position: fixed;
  z-index: 1000;
  top: 0;
  right: 0;
  left: 0;
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(6, 8, 9, 0.96);
  transform: translateZ(0);
  backface-visibility: hidden;
}

.header-inner {
  display: flex;
  align-items: center;
  height: 100%;
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 12px;
}

.brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.brand-copy {
  display: grid;
  line-height: 1.15;
}

.brand-copy strong {
  font-family: Georgia, serif;
  font-size: 15px;
  letter-spacing: 0.12em;
}

.brand-copy small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.main-nav {
  margin-left: auto;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 34px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.main-nav a {
  position: relative;
  display: block;
  padding: 29px 0 25px;
  color: #babfc1;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.main-nav a::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--red-bright);
  content: "";
  opacity: 0;
}

.main-nav a:hover,
.main-nav a.active {
  color: #fff;
}

.main-nav a.active::after {
  opacity: 1;
}

.header-download,
.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: calc(100svh - var(--header-height));
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(4, 5, 6, 0.98) 0%, rgba(4, 5, 6, 0.83) 42%, rgba(4, 5, 6, 0.24) 70%, rgba(4, 5, 6, 0.8) 100%),
    url("../images/8.webp") center/cover no-repeat;
}

.hero::before,
.hero::after {
  position: absolute;
  content: "";
  pointer-events: none;
}

.hero::before {
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(255, 255, 255, 0.018) 3px 4px);
}

.hero::after {
  inset: 0;
  box-shadow: inset 0 -160px 140px #060809, inset 0 0 180px rgba(0, 0, 0, 0.8);
}

.hero-noise {
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background-image: radial-gradient(rgba(255, 255, 255, 0.25) 0.6px, transparent 0.8px);
  background-size: 6px 6px;
}

.hero-light {
  position: absolute;
  top: -14%;
  right: 9%;
  width: 26vw;
  height: 112%;
  background: linear-gradient(178deg, rgba(198, 220, 223, 0.25), transparent 58%);
  clip-path: polygon(46% 0, 100% 0, 78% 100%, 0 100%);
  filter: blur(14px);
}

.hero-figure {
  position: absolute;
  right: 16%;
  bottom: 8%;
  width: 220px;
  height: 72%;
  opacity: 0.72;
  background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.95) 38% 66%, transparent);
  clip-path: polygon(37% 0, 62% 0, 70% 8%, 69% 23%, 83% 43%, 86% 100%, 15% 100%, 20% 44%, 34% 22%, 31% 8%);
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  min-height: calc(100svh - var(--header-height));
  padding-block: 92px 110px;
}

.hero-copy {
  width: min(680px, 65%);
}

.hero-copy h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(56px, 7.5vw, 116px);
  font-weight: 500;
  line-height: 0.82;
  letter-spacing: -0.075em;
  text-shadow: 0 8px 30px #000;
}

.hero-copy h2 {
  margin: 36px 0 14px;
  font-size: clamp(25px, 3vw, 38px);
  font-weight: 500;
  letter-spacing: 0.1em;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 580px;
  margin: 0;
  color: #aeb5b8;
  font-size: 16px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 38px;
}

.hero-actions a,
.coop-actions a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 26px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.06em;
}

.hero-actions .primary-action {
  border-color: var(--red);
  background: var(--red);
}

.hero-actions .secondary-action:hover,
.coop-actions a:last-child:hover {
  border-color: #fff;
  background: #fff;
  color: #080a0b;
}

.hero-actions .secondary-action:hover .icon-play::before {
  filter: brightness(0);
}

.hero-actions i {
  margin-right: 10px;
}

.platform-line {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 34px;
  color: #92999c;
  font-size: 11px;
  letter-spacing: 0.07em;
}

.platform-line span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid #70777a;
  border-radius: 50%;
  color: #d5d9da;
}

.hero-signal {
  position: absolute;
  right: 0;
  bottom: 90px;
  width: 260px;
  padding: 18px 20px;
  border-left: 2px solid var(--red-bright);
  background: rgba(7, 9, 10, 0.86);
}

.hero-signal > span {
  color: #9ca4a7;
  font-size: 10px;
  letter-spacing: 0.2em;
}

.hero-signal div {
  display: flex;
  align-items: center;
  gap: 3px;
  height: 38px;
}

.hero-signal i {
  width: 3px;
  background: #ad2226;
}

.hero-signal i:nth-child(1),
.hero-signal i:nth-child(5),
.hero-signal i:nth-child(10) { height: 10px; }
.hero-signal i:nth-child(2),
.hero-signal i:nth-child(7),
.hero-signal i:nth-child(11) { height: 18px; }
.hero-signal i:nth-child(3),
.hero-signal i:nth-child(6),
.hero-signal i:nth-child(12) { height: 28px; }
.hero-signal i:nth-child(4),
.hero-signal i:nth-child(8),
.hero-signal i:nth-child(9) { height: 36px; }

.hero-signal strong {
  font-size: 20px;
}

.scroll-cue {
  position: absolute;
  z-index: 3;
  bottom: 26px;
  left: 50%;
  display: grid;
  justify-items: center;
  color: #858b8e;
  font-size: 10px;
  letter-spacing: 0.18em;
  transform: translateX(-50%);
}

.scroll-cue span {
  width: 1px;
  height: 38px;
  margin-bottom: 8px;
  background: linear-gradient(var(--red-bright), transparent);
}

.story-section {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
  min-height: 760px;
  background: #0a0d0f;
}

.story-visual {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
  padding: 70px;
  background:
    linear-gradient(0deg, rgba(5, 7, 8, 0.96), transparent 56%),
    linear-gradient(90deg, rgba(5, 7, 8, 0.3), transparent),
    url("../images/2.jpg") center/cover no-repeat;
}

.story-visual::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.05);
  content: "";
}

.investigator-silhouette {
  position: absolute;
  bottom: 0;
  left: 43%;
  width: 210px;
  height: 76%;
  background: linear-gradient(90deg, transparent, #020303 25% 70%, transparent);
  clip-path: polygon(35% 0, 64% 0, 72% 10%, 70% 28%, 90% 46%, 88% 100%, 10% 100%, 13% 45%, 31% 28%, 28% 10%);
}

.story-visual p {
  position: relative;
  z-index: 2;
  width: 100%;
  margin: 0;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.35);
  font-family: Consolas, monospace;
  font-size: 11px;
  letter-spacing: 0.12em;
}

.story-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 100px clamp(40px, 7vw, 120px);
}

.story-lead {
  max-width: 560px;
  margin: 34px 0 0;
  color: #a5abad;
}

.case-timeline {
  display: grid;
  margin-top: 42px;
}

.case-timeline div {
  display: grid;
  grid-template-columns: 72px 1fr;
  align-items: center;
  min-height: 56px;
  border-top: 1px solid var(--line);
}

.case-timeline time {
  color: var(--red-bright);
  font-family: Consolas, monospace;
}

.story-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin-top: 38px;
  background: var(--line);
}

.story-stats div {
  display: grid;
  padding: 20px;
  background: #0a0d0f;
}

.story-stats strong {
  font-family: Georgia, serif;
  font-size: 22px;
}

.story-stats span {
  color: var(--muted);
  font-size: 11px;
}

.world-section {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(4, 7, 8, 0.98), rgba(7, 10, 11, 0.8)),
    url("../images/7.webp") center/cover no-repeat;
}

.world-overlay {
  position: absolute;
  inset: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(156, 184, 194, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(156, 184, 194, 0.12) 1px, transparent 1px);
  background-size: 48px 48px;
}

.world-inner {
  position: relative;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: center;
  gap: clamp(60px, 8vw, 130px);
  min-height: 760px;
  padding-block: 100px;
}

.world-copy > p:not(.section-index):not(.world-feedback) {
  max-width: 470px;
  margin: 28px 0 34px;
  color: var(--muted);
}

.world-objectives {
  border-top: 1px solid var(--line);
}

.world-objectives button {
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  width: 100%;
  min-height: 58px;
  padding: 0;
  border-bottom: 1px solid var(--line);
  color: #a6adaf;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.world-objectives button span {
  color: #5e6669;
  font-family: Consolas, monospace;
}

.world-objectives button.active,
.world-objectives button:hover {
  color: #fff;
}

.world-objectives button.active span {
  color: var(--red-bright);
}

.world-feedback {
  min-height: 70px;
  margin: 24px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--red-bright);
  color: #8f989b;
  font-size: 13px;
}

.hospital-map {
  border: 1px solid rgba(156, 184, 194, 0.3);
  background: rgba(7, 12, 14, 0.83);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
}

.floor-tabs {
  display: flex;
  border-bottom: 1px solid rgba(156, 184, 194, 0.22);
}

.floor-tabs button {
  flex: 1;
  height: 54px;
  border-right: 1px solid rgba(156, 184, 194, 0.16);
  color: #79878c;
  background: transparent;
  cursor: pointer;
}

.floor-tabs button.active {
  color: #fff;
  background: rgba(165, 21, 25, 0.7);
}

.map-canvas {
  position: relative;
  min-height: 430px;
  background-image:
    linear-gradient(rgba(156, 184, 194, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(156, 184, 194, 0.07) 1px, transparent 1px);
  background-size: 26px 26px;
}

.map-room,
.route-line,
.map-point {
  position: absolute;
}

.map-room {
  border: 1px solid rgba(164, 198, 208, 0.42);
  background: rgba(125, 156, 165, 0.06);
}

.room-a { top: 13%; left: 11%; width: 29%; height: 29%; }
.room-b { top: 13%; left: 45%; width: 42%; height: 18%; }
.room-c { top: 36%; left: 45%; width: 18%; height: 40%; }
.room-d { top: 48%; left: 11%; width: 29%; height: 29%; }
.room-e { top: 36%; left: 68%; width: 19%; height: 17%; }
.room-f { top: 59%; left: 68%; width: 19%; height: 18%; }

.route-line {
  height: 2px;
  background: rgba(209, 41, 47, 0.72);
  transform-origin: left;
}

.route-one { top: 29%; left: 27%; width: 33%; transform: rotate(17deg); }
.route-two { top: 49%; left: 57%; width: 22%; transform: rotate(-20deg); }
.route-three { top: 67%; left: 24%; width: 46%; transform: rotate(-7deg); }

.map-point {
  width: 18px;
  height: 18px;
  border: 3px solid #0b0e10;
  border-radius: 50%;
  background: var(--red-bright);
  box-shadow: 0 0 0 1px var(--red-bright), 0 0 20px rgba(209, 41, 47, 0.8);
  cursor: pointer;
}

.point-start { top: 25%; left: 25%; }
.point-signal { top: 48%; left: 56%; }
.point-exit { top: 62%; left: 76%; background: var(--cold); box-shadow: 0 0 0 1px var(--cold), 0 0 20px rgba(156, 184, 194, 0.7); }

.map-caption {
  display: flex;
  justify-content: space-between;
  padding: 18px 22px;
  border-top: 1px solid rgba(156, 184, 194, 0.22);
  color: #9ea8aa;
  font-family: Consolas, monospace;
  font-size: 11px;
}

.map-caption b {
  color: var(--red-bright);
}

.equipment-section {
  padding: 110px 0;
  background: #e4e0d7;
  color: #0b0d0e;
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: end;
  gap: 50px;
}

.section-heading .section-index {
  grid-column: 1 / -1;
  margin-bottom: -28px;
}

.section-heading > p:last-child {
  max-width: 520px;
  margin: 0;
  color: #5f6466;
}

.equipment-stage {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  margin-top: 70px;
  border: 1px solid #a8a69f;
  background: #d8d4cb;
}

.equipment-visual {
  position: relative;
  grid-row: span 2;
  min-height: 500px;
  overflow: hidden;
  border-right: 1px solid #a8a69f;
  background:
    linear-gradient(rgba(25, 30, 32, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(25, 30, 32, 0.06) 1px, transparent 1px),
    #cfcbc2;
  background-size: 28px 28px;
}

.equipment-visual::after {
  position: absolute;
  right: 22px;
  bottom: 14px;
  color: #666a6b;
  content: "INVESTIGATION KIT / 01";
  font-family: Consolas, monospace;
  font-size: 10px;
  letter-spacing: 0.14em;
}

.device {
  position: absolute;
  opacity: 0.22;
  filter: grayscale(1);
}

.equipment-visual[data-active="0"] .emf-device,
.equipment-visual[data-active="1"] .flashlight-device,
.equipment-visual[data-active="2"] .thermal-device,
.equipment-visual[data-active="3"] .recorder-device,
.equipment-visual[data-active="4"] .case-device {
  opacity: 1;
  filter: none;
}

.emf-device {
  top: 17%;
  left: 15%;
  width: 190px;
  height: 310px;
  border: 12px solid #202527;
  border-radius: 18px;
  background: #4b5457;
  box-shadow: 24px 30px 0 rgba(0, 0, 0, 0.12);
}

.emf-device span {
  position: absolute;
  top: 32px;
  left: 27px;
  width: 112px;
  height: 120px;
  border: 6px solid #15191b;
  background: radial-gradient(circle, #e32b31 0 8%, #281315 9% 18%, #101416 19%);
}

.emf-device b {
  position: absolute;
  right: 30px;
  bottom: 56px;
  font: 700 46px/1 Consolas, monospace;
}

.emf-device small {
  position: absolute;
  right: 32px;
  bottom: 30px;
  color: #b7bfc2;
}

.flashlight-device {
  top: 25%;
  right: 14%;
  width: 245px;
  height: 70px;
  border-radius: 40px 8px 8px 40px;
  background: linear-gradient(90deg, #1c2224 0 42%, #444b4d 43% 100%);
  transform: rotate(-18deg);
}

.flashlight-device::before {
  position: absolute;
  top: -25px;
  left: -30px;
  width: 75px;
  height: 120px;
  border-radius: 50%;
  background: #333a3c;
  content: "";
}

.thermal-device {
  right: 17%;
  bottom: 13%;
  width: 170px;
  height: 200px;
  border: 10px solid #252b2d;
  border-radius: 14px;
  background: linear-gradient(135deg, #203f57, #bc512b 48%, #f5c255);
}

.thermal-device::after {
  position: absolute;
  right: 38px;
  bottom: -105px;
  width: 70px;
  height: 100px;
  background: #292f31;
  content: "";
}

.recorder-device {
  bottom: 13%;
  left: 45%;
  width: 95px;
  height: 210px;
  border: 8px solid #252a2c;
  border-radius: 8px;
  background: repeating-linear-gradient(0deg, #555d60 0 5px, #252a2c 5px 8px);
  transform: rotate(9deg);
}

.case-device {
  top: 11%;
  right: 10%;
  width: 240px;
  height: 170px;
  border: 10px solid #282d2f;
  background: #373d3f;
}

.case-device::before {
  position: absolute;
  top: -42px;
  left: 73px;
  width: 75px;
  height: 32px;
  border: 8px solid #282d2f;
  content: "";
}

.equipment-selector {
  display: grid;
}

.equipment-selector button {
  min-height: 62px;
  padding: 0 30px;
  border-bottom: 1px solid #aaa79f;
  background: transparent;
  color: #555b5d;
  text-align: left;
  cursor: pointer;
}

.equipment-selector button.active {
  padding-left: 26px;
  border-left: 4px solid var(--red);
  color: #080a0b;
  font-weight: 800;
  background: #ece9e2;
}

.equipment-caption {
  align-self: end;
  display: grid;
  gap: 8px;
  min-height: 104px;
  padding: 22px 30px;
  background: #161a1c;
  color: #fff;
}

.equipment-caption span {
  color: #a5abad;
  font-size: 13px;
}

.ai-section {
  position: relative;
  min-height: 780px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(4, 7, 8, 0.96), rgba(4, 7, 8, 0.48) 58%, rgba(4, 7, 8, 0.83)),
    url("../images/8.webp") center/cover no-repeat;
}

.ai-section::before {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 72% 48%, rgba(125, 167, 179, 0.2), transparent 28%);
  content: "";
}

.ai-shadow {
  position: absolute;
  right: 18%;
  bottom: -1%;
  width: 300px;
  height: 88%;
  background: #020303;
  clip-path: polygon(38% 0, 61% 0, 71% 9%, 69% 24%, 85% 37%, 94% 100%, 4% 100%, 15% 37%, 33% 24%, 30% 9%);
  filter: blur(1px);
}

.ai-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 780px;
}

.ai-inner > p:not(.section-index) {
  max-width: 510px;
  margin: 28px 0 44px;
  color: #9ba2a4;
}

.ai-sequence {
  display: grid;
  grid-template-columns: repeat(4, 122px);
  gap: 1px;
  width: max-content;
  background: var(--line);
}

.ai-sequence button {
  display: grid;
  min-height: 118px;
  place-items: center;
  gap: 8px;
  padding: 18px 8px;
  color: #70797c;
  background: rgba(10, 14, 16, 0.92);
  cursor: pointer;
}

.ai-sequence button.active {
  color: #fff;
  background: var(--red);
}

.ai-sequence span {
  font-size: 12px;
}

.threat-state {
  display: flex;
  align-items: center;
  gap: 20px;
  width: 489px;
  margin-top: 1px;
  padding: 15px 20px;
  background: rgba(10, 14, 16, 0.92);
}

.threat-state span {
  color: #737b7e;
  font: 10px Consolas, monospace;
  letter-spacing: 0.13em;
}

.threat-state strong {
  font-size: 13px;
}

.coop-section {
  position: relative;
  min-height: 730px;
  overflow: hidden;
  background: #e2ded5;
  color: #090b0c;
}

.coop-section::before {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  background-image: radial-gradient(#34383a 0.6px, transparent 0.7px);
  background-size: 7px 7px;
  content: "";
}

.coop-silhouettes {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  justify-content: center;
  gap: 44px;
  height: 56%;
  opacity: 0.1;
}

.coop-silhouettes i {
  width: 180px;
  background: #050708;
  clip-path: polygon(34% 0, 65% 0, 73% 10%, 70% 23%, 89% 38%, 100% 100%, 0 100%, 11% 38%, 30% 23%, 27% 10%);
}

.coop-inner {
  position: relative;
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  align-items: center;
  gap: clamp(50px, 8vw, 120px);
  min-height: 730px;
  padding-block: 90px;
}

.coop-copy > p:not(.section-index) {
  margin: 28px 0 35px;
  color: #5d6264;
}

.coop-actions {
  display: flex;
  gap: 10px;
}

.coop-actions a {
  border-color: #15191a;
}

.coop-actions a:first-child {
  color: #fff;
  background: #101416;
}

.squad-panel {
  border: 1px solid #8b8d89;
  background: rgba(234, 231, 224, 0.86);
}

.squad-panel > div {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  grid-template-areas: "num name status" "num info status";
  align-items: center;
  min-height: 92px;
  padding: 14px 20px;
  border-bottom: 1px solid #adaea9;
}

.squad-panel > div:last-child {
  border-bottom: 0;
}

.squad-panel span {
  grid-area: num;
  color: var(--red);
  font: 700 14px Consolas, monospace;
}

.squad-panel b {
  grid-area: name;
  font-size: 15px;
}

.squad-panel small {
  grid-area: info;
  color: #686d6e;
}

.squad-panel em,
.squad-panel button {
  grid-area: status;
  min-width: 72px;
  padding: 9px 12px;
  color: #fff;
  background: #131718;
  font-size: 11px;
  font-style: normal;
  text-align: center;
}

.squad-panel button {
  border: 1px solid #171a1b;
  color: #171a1b;
  background: transparent;
  cursor: pointer;
}

.gallery-section {
  padding: 100px 0 110px;
  overflow: hidden;
  background: #0a0d0e;
}

.gallery-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 38px;
}

.gallery-heading h2 {
  margin: 0;
  font: 500 clamp(38px, 5vw, 64px)/1 Georgia, serif;
}

.gallery-controls {
  display: flex;
  gap: 8px;
}

.gallery-controls button {
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
}

.gallery-controls button:hover {
  border-color: var(--red-bright);
  background: var(--red-bright);
}

.gallery-track {
  display: flex;
  gap: 22px;
  width: min(calc(100% - 48px), var(--container));
  margin-inline: auto;
  overflow-x: auto;
  scroll-behavior: smooth;
  scroll-snap-type: x mandatory;
  scrollbar-color: var(--red) #171b1d;
  scrollbar-width: thin;
}

.gallery-track figure {
  flex: 0 0 min(720px, 72vw);
  margin: 0;
  scroll-snap-align: start;
}

.gallery-track img {
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(255, 255, 255, 0.1);
  object-fit: cover;
}

.gallery-track figcaption {
  padding-top: 12px;
  color: #8d9496;
  font: 11px Consolas, monospace;
  letter-spacing: 0.12em;
}

.replay-section {
  padding: 110px 0;
  background: #111517;
}

.replay-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: clamp(50px, 8vw, 120px);
  align-items: center;
}

.replay-copy h2 {
  font-family: Georgia, serif;
  letter-spacing: -0.06em;
}

.replay-copy > p:not(.section-index) {
  margin: 28px 0;
  color: var(--muted);
}

.replay-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.replay-features span {
  padding: 7px 12px;
  border: 1px solid var(--line);
  color: #aeb3b5;
  font-size: 11px;
}

.leaderboard {
  border: 1px solid var(--line);
  background: #0b0f10;
}

.leaderboard-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid var(--line);
}

.leaderboard-head > div:first-child {
  display: grid;
}

.leaderboard-head span {
  color: var(--red-bright);
  font: 10px Consolas, monospace;
  letter-spacing: 0.12em;
}

.leaderboard-head strong {
  margin-top: 4px;
}

.leaderboard-head button,
.review-toolbar button {
  padding: 8px 12px;
  border: 1px solid var(--line);
  color: #848c8f;
  background: transparent;
  cursor: pointer;
}

.leaderboard-head button.active,
.review-toolbar button.active {
  border-color: var(--red);
  color: #fff;
  background: var(--red);
}

.leaderboard ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

.leaderboard li {
  display: grid;
  grid-template-columns: 50px 1fr auto 60px;
  gap: 10px;
  align-items: center;
  min-height: 62px;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
}

.leaderboard li:last-child {
  border-bottom: 0;
}

.leaderboard li span,
.leaderboard li time {
  color: var(--red-bright);
  font-family: Consolas, monospace;
}

.leaderboard li em {
  color: #8b9395;
  font-size: 11px;
  font-style: normal;
}

.reviews-section {
  padding: 110px 0;
  color: #0a0c0d;
  background: #e5e1d8;
}

.reviews-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 50px;
}

.rating-summary {
  display: grid;
  grid-template-columns: auto auto;
  align-items: center;
  gap: 0 16px;
  min-width: 220px;
  padding-left: 28px;
  border-left: 1px solid #aaa8a2;
}

.rating-summary strong {
  grid-row: span 2;
  font: 500 54px/1 Georgia, serif;
}

.rating-summary span {
  color: var(--red);
  letter-spacing: 0.1em;
}

.rating-summary small {
  color: #686c6d;
}

.review-toolbar {
  display: flex;
  justify-content: flex-end;
  gap: 7px;
  margin-top: 40px;
}

.review-toolbar button {
  border-color: #aaa8a2;
  color: #555a5c;
}

.review-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 18px;
}

.review-card {
  display: flex;
  flex-direction: column;
  min-height: 230px;
  padding: 28px;
  border: 1px solid #aaa8a2;
  background: #eeebe4;
}

.review-card header {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}

.review-card h3 {
  margin: 0;
  font-size: 15px;
}

.review-card time {
  color: #74797a;
  font-size: 11px;
}

.review-card header > span {
  color: var(--red);
  white-space: nowrap;
}

.review-card blockquote {
  flex: 1;
  margin: 24px 0;
  font-family: Georgia, "Microsoft YaHei", serif;
  font-size: 17px;
}

.review-card footer {
  padding-top: 15px;
  border-top: 1px solid #c1beb7;
  color: #6d7273;
  font-size: 11px;
}

.review-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 22px;
  padding: 38px;
  color: #e5e1d8;
  background: #101416;
}

.review-form > div:first-child {
  grid-column: 1 / -1;
}

.review-form > div:first-child p {
  margin: 0;
  color: var(--red-bright);
  font: 10px Consolas, monospace;
  letter-spacing: 0.18em;
}

.review-form h3 {
  margin: 7px 0 12px;
  font: 500 30px Georgia, serif;
}

.review-form label,
.review-form fieldset {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  border: 0;
  font-size: 12px;
  font-weight: 700;
}

.review-form legend {
  margin-bottom: 9px;
}

.review-form input,
.review-form textarea {
  width: 100%;
  border: 1px solid #475054;
  border-radius: 0;
  outline: 0;
  color: #fff;
  background: #171d1f;
}

.review-form input {
  height: 52px;
  padding: 0 15px;
}

.review-form textarea {
  min-height: 130px;
  padding: 14px 15px;
  resize: vertical;
}

.review-form input:focus,
.review-form textarea:focus {
  border-color: var(--red-bright);
}

.rating-input {
  display: flex;
  align-items: center;
  height: 52px;
  padding: 0 10px;
  border: 1px solid #475054;
  background: #171d1f;
}

.rating-input button {
  padding: 2px 7px;
  color: #626b6e;
  background: transparent;
  font-size: 22px;
  cursor: pointer;
}

.rating-input button.active {
  color: var(--red-bright);
}

.report-message,
.review-submit,
.form-feedback {
  grid-column: 1 / -1;
}

.review-submit {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.review-submit span {
  color: #737b7e;
  font-size: 11px;
}

.review-submit button {
  min-width: 170px;
  height: 50px;
  background: var(--red);
  font-weight: 800;
  cursor: pointer;
}

.form-feedback {
  min-height: 20px;
  margin: -8px 0 0;
  color: #bcc4c6;
  font-size: 12px;
}

.faq-section {
  padding: 110px 0;
  background: #0a0d0e;
}

.faq-grid {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(50px, 8vw, 120px);
}

.faq-title > p:last-child {
  color: var(--muted);
}

.faq-list {
  border-top: 1px solid var(--line);
}

.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-item > button {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 72px;
  padding: 0 6px 0 0;
  background: transparent;
  text-align: left;
  cursor: pointer;
}

.faq-item > button span {
  display: flex;
  gap: 24px;
  align-items: center;
  font-weight: 700;
}

.faq-item > button b {
  color: var(--red-bright);
  font: 11px Consolas, monospace;
}

.faq-item.open > button {
  color: #fff;
}

.faq-item.open .icon-plus {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 42px 22px;
  color: #969ea0;
  font-size: 13px;
}

.faq-answer p {
  margin: 0;
}

.final-download {
  position: relative;
  min-height: 510px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(5, 7, 8, 0.98), rgba(5, 7, 8, 0.56), rgba(5, 7, 8, 0.94)),
    url("../images/6.webp") center/cover no-repeat;
}

.final-eye {
  position: absolute;
  top: 50%;
  right: 7%;
  width: 350px;
  height: 180px;
  border: 2px solid rgba(209, 41, 47, 0.35);
  border-radius: 80% 20% 80% 20%;
  transform: translateY(-50%) rotate(45deg);
}

.final-eye::before {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 90px;
  height: 90px;
  border: 16px solid rgba(209, 41, 47, 0.2);
  border-radius: 50%;
  background: #040506;
  box-shadow: 0 0 60px rgba(209, 41, 47, 0.3);
  content: "";
  transform: translate(-50%, -50%);
}

.download-inner {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 70px;
  min-height: 510px;
}

.download-inner > div:first-child > p {
  margin: 0 0 18px;
  color: var(--red-bright);
  font: 11px Consolas, monospace;
  letter-spacing: 0.2em;
}

.download-inner > div:first-child > span {
  display: block;
  margin-top: 28px;
  color: #8d9597;
  font-size: 11px;
}

.download-links {
  display: grid;
  gap: 10px;
  width: min(100%, 330px);
}

.download-links a {
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  min-height: 82px;
  padding: 13px 22px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(7, 10, 11, 0.82);
}

.download-links a:first-child {
  border-color: var(--red);
  background: var(--red);
}

.download-links a:hover {
  border-color: #fff;
}

.download-links a > span {
  display: grid;
  font-weight: 800;
  white-space: nowrap;
}

.download-links small {
  color: #b7bec0;
  font-size: 12px;
  font-weight: 400;
}

.site-footer {
  padding: 24px 0;
  border-top: 1px solid var(--line);
  background: #040506;
  text-align: center;
}

.footer-copy {
  color: #666d70;
  font-size: 15px;
}

.back-to-top {
  position: fixed;
  z-index: 800;
  right: 22px;
  bottom: 22px;
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.34);
  background: rgba(8, 11, 12, 0.9);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}

i[class^="icon-"] {
  display: inline-block;
  flex: 0 0 auto;
  width: 20px;
  height: 20px;
}

i[class^="icon-"]::before {
  display: block;
  width: 100%;
  height: 100%;
  background: center/contain no-repeat;
  content: "";
}

.icon-download::before { background-image: url("../icons/download.svg") !important; }
.icon-play::before { background-image: url("../icons/play.svg") !important; }
.icon-android::before { background-image: url("../images/安卓.svg") !important; }
.icon-ios::before { background-image: url("../images/iOS.svg") !important; }
.icon-plus::before { background-image: url("../icons/plus.svg") !important; }
.icon-arrow::before { background-image: url("../icons/arrow.svg") !important; }
.icon-sound::before { background-image: url("../icons/sound.svg") !important; }
.icon-eye::before { background-image: url("../icons/eye.svg") !important; }
.icon-route::before { background-image: url("../icons/route.svg") !important; }

.download-links a:first-child .icon-android::before {
  filter: brightness(0) invert(1);
}

.icon-top {
  width: 24px !important;
  height: 24px !important;
}

.icon-top::before {
  background-image: url("../images/top.png") !important;
}

@media (max-width: 980px) {
  :root {
    --header-height: 68px;
  }

  .container {
    width: min(calc(100% - 36px), var(--container));
  }

  .brand img {
    width: 42px;
    height: 42px;
  }

  .main-nav {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    visibility: hidden;
    border-top: 1px solid var(--line);
    background: rgba(6, 8, 9, 0.99);
    opacity: 0;
    pointer-events: none;
  }

  .main-nav.open {
    visibility: visible;
    opacity: 1;
    pointer-events: auto;
  }

  .main-nav ul {
    display: block;
    width: min(calc(100% - 36px), var(--container));
    margin-inline: auto;
  }

  .main-nav li {
    border-bottom: 1px solid var(--line);
  }

  .main-nav a {
    padding: 16px 0;
  }

  .main-nav a::after {
    display: none;
  }

  .header-download {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    height: 38px;
    margin-left: auto;
    padding: 0 13px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
  }

  .header-download i {
    width: 16px;
    height: 16px;
  }

  .menu-toggle {
    display: grid;
    width: 40px;
    height: 40px;
    margin-left: 8px;
    place-content: center;
    gap: 5px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    background: transparent;
    cursor: pointer;
  }

  .menu-toggle span {
    display: block;
    width: 18px;
    height: 1px;
    background: #fff;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
  }

  .hero-copy {
    width: 75%;
  }

  .hero-signal {
    width: 210px;
  }

  .story-section {
    grid-template-columns: 1fr;
  }

  .story-visual {
    min-height: 520px;
  }

  .world-inner,
  .coop-inner,
  .replay-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .world-inner,
  .coop-inner {
    gap: 60px;
  }

  .section-heading {
    grid-template-columns: 1fr;
  }

  .section-heading .section-index {
    margin-bottom: -28px;
  }

  .equipment-stage {
    grid-template-columns: 1fr;
  }

  .equipment-visual {
    grid-row: auto;
    border-right: 0;
    border-bottom: 1px solid #a8a69f;
  }

  .equipment-selector {
    grid-template-columns: repeat(5, 1fr);
  }

  .equipment-selector button {
    min-height: 72px;
    padding: 8px 10px;
    border-right: 1px solid #aaa79f;
    text-align: center;
  }

  .equipment-selector button.active {
    padding: 8px 10px;
    border-top: 4px solid var(--red);
    border-left: 0;
  }

  .replay-grid,
  .faq-grid {
    gap: 50px;
  }

  .download-inner {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
  }
}

@media (max-width: 680px) {
  .container {
    width: calc(100% - 28px);
  }

  .brand {
    gap: 8px;
  }

  .brand-copy strong {
    font-size: 12px;
    letter-spacing: 0.06em;
  }

  .brand-copy small {
    font-size: 12px;
  }

  .header-download span {
    display: none;
  }

  .header-download {
    width: 40px;
    padding: 0;
    justify-content: center;
  }

  .section-heading h2,
  .world-copy h2,
  .story-content h2,
  .ai-inner h2,
  .coop-copy h2,
  .replay-copy h2,
  .reviews-heading h2,
  .faq-title h2,
  .download-inner h2 {
    font-size: 38px;
  }

  .hero {
    min-height: calc(100svh - var(--header-height));
    background-position: 64% center;
  }

  .hero-inner {
    align-items: flex-end;
    padding-block: 80px 114px;
  }

  .hero-copy {
    width: 100%;
  }

  .hero-copy h1 {
    font-size: clamp(48px, 17vw, 72px);
  }

  .hero-copy h2 {
    margin-top: 27px;
    font-size: 22px;
    letter-spacing: 0.05em;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .hero-actions a {
    padding: 0 14px;
    white-space: nowrap;
  }

  .platform-line {
    flex-wrap: wrap;
    gap: 10px 14px;
  }

  .hero-signal,
  .hero-figure,
  .scroll-cue {
    display: none;
  }

  .story-visual {
    min-height: 440px;
    padding: 26px;
  }

  .story-content {
    padding: 74px 20px;
  }

  .story-stats {
    grid-template-columns: 1fr;
  }

  .world-inner,
  .coop-inner {
    padding-block: 76px;
  }

  .map-canvas {
    min-height: 340px;
  }

  .map-caption {
    display: grid;
    gap: 5px;
  }

  .equipment-section,
  .gallery-section,
  .replay-section,
  .reviews-section,
  .faq-section {
    padding-block: 76px;
  }

  .section-heading .section-index {
    margin-bottom: -20px;
  }

  .equipment-stage {
    margin-top: 46px;
  }

  .equipment-visual {
    min-height: 400px;
  }

  .emf-device {
    left: 9%;
    transform: scale(0.78);
    transform-origin: left center;
  }

  .flashlight-device {
    right: -7%;
    transform: rotate(-18deg) scale(0.72);
  }

  .thermal-device {
    right: 3%;
    transform: scale(0.7);
    transform-origin: right bottom;
  }

  .recorder-device {
    left: 48%;
    transform: rotate(9deg) scale(0.7);
  }

  .case-device {
    top: 8%;
    right: -8%;
    transform: scale(0.68);
  }

  .equipment-selector {
    grid-template-columns: 1fr;
  }

  .equipment-selector button,
  .equipment-selector button.active {
    min-height: 50px;
    padding: 0 18px;
    border-top: 0;
    border-right: 0;
    text-align: left;
  }

  .equipment-selector button.active {
    padding-left: 14px;
    border-left: 4px solid var(--red);
  }

  .ai-section,
  .ai-inner {
    min-height: 680px;
  }

  .ai-shadow {
    right: -12%;
    width: 240px;
    opacity: 0.72;
  }

  .ai-sequence {
    grid-template-columns: repeat(4, 100px);
    width: 100%;
    overflow-x: auto;
  }

  .ai-sequence button {
    min-width: 100px;
  }

  .threat-state {
    width: 100%;
  }

  .coop-actions {
    display: grid;
  }

  .squad-panel > div {
    grid-template-columns: 38px 1fr auto;
    padding-inline: 12px;
  }

  .squad-panel small {
    max-width: 160px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .gallery-track {
    width: calc(100% - 28px);
    gap: 14px;
    padding-bottom: 12px;
  }

  .gallery-track figure {
    flex-basis: 86vw;
  }

  .leaderboard-head {
    align-items: flex-start;
    gap: 18px;
    flex-direction: column;
  }

  .leaderboard li {
    grid-template-columns: 34px 1fr auto;
    padding: 10px 14px;
  }

  .leaderboard li time {
    display: none;
  }

  .reviews-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .rating-summary {
    padding: 0;
    border-left: 0;
  }

  .review-toolbar {
    justify-content: flex-start;
    overflow-x: auto;
  }

  .review-toolbar button {
    white-space: nowrap;
  }

  .review-list {
    grid-template-columns: 1fr;
  }

  .review-card {
    min-height: 210px;
    padding: 22px;
  }

  .review-form {
    grid-template-columns: 1fr;
    padding: 26px 20px;
  }

  .review-form > * {
    grid-column: 1 !important;
  }

  .review-submit button {
    min-width: 138px;
  }

  .faq-item > button {
    min-height: 68px;
  }

  .faq-item > button span {
    gap: 14px;
    padding-right: 10px;
  }

  .faq-answer {
    padding-left: 38px;
  }

  .final-download,
  .download-inner {
    min-height: 600px;
  }

  .download-inner {
    gap: 46px;
  }

  .download-links {
    width: 100%;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-inner p {
    margin: 0;
  }

  .back-to-top {
    right: 14px;
    bottom: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    scroll-behavior: auto !important;
  }
}