/* building */

.building-banner {
  flex-direction: column;
  align-items: center;
  padding-top: 30vh;
  height: 100vh;
}

.building-banner-more {
  margin-top: 50px;
}

@media (max-width: 768px) {
  .building-banner {
    height: auto;
    min-height: 100vh;
    padding-top: 20vh;
  }
  .building-banner-more {
    margin-top: 30px;
  }
}
/*  */
.building-feilun {
  position: relative;
  z-index: 1;
  margin-top: 100px;
  padding: 50px 0;
}

.building-feilun-center {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 2;
  width: 20%;
  transform: translate(-50%, -50%);
}

.building-feilun-center .cp-img {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.7);
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0.7s ease;
}

.building-feilun-center .cp-img:first-child {
  position: static;
}

.building-feilun-center .cp-img img {
  display: block;
  width: 100%;
}

/* 第一步：中心 21.svg 先淡入 */
.building-feilun.active .building-feilun-center .cp-img:first-child {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  transition-delay: 0s;
}

/* 第二步：中心 22.svg 随后淡入 */
.building-feilun.active .building-feilun-center .cp-img:nth-child(2) {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
  transition-delay: 0.3s;
}

.building-feilun-item {
  width: 50%;
}

.building-feilun-player {
  position: relative;
  z-index: 1;
}

.building-feilun-player .cp-img {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transform: scale(0.7);
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0.7s ease;
}
.building-feilun-player img {
  display: block;
  width: 100%;
}

.building-feilun-player .cp-circle .cp-img:first-child {
  position: static;
}

.building-feilun.active .building-feilun-player .cp-img {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.building-feilun.active .building-feilun-player .cp-circle .cp-img:first-child {
  transition-delay: 0.6s;
}

/* 飞轮旋转：cp-circle 外层圆环激活后无限旋转（保留 scale，避免与 .cp-img 缩放冲突） */
.building-feilun.active .cp-circle .cp-star-left {
  transform-origin: center center;
  animation: feilun-rotate-left 24s linear infinite;
}

.building-feilun.active .cp-circle .cp-star-right {
  transform-origin: center center;
  animation: feilun-rotate-right 24s linear infinite;
}

@keyframes feilun-rotate-left {
  from {
    transform: scale(1) rotate(0deg);
  }
  to {
    transform: scale(1) rotate(-360deg);
  }
}

@keyframes feilun-rotate-right {
  from {
    transform: scale(1) rotate(0deg);
  }
  to {
    transform: scale(1) rotate(360deg);
  }
}

/* cp-round 内层扇区按前后顺序依次淡入 + 缩放（排在中心之后） */
.building-feilun.active .cp-round .cp-img:nth-child(1) {
  transition-delay: 0.8s;
}
.building-feilun.active .cp-round .cp-img:nth-child(2) {
  transition-delay: 0.92s;
}
.building-feilun.active .cp-round .cp-img:nth-child(3) {
  transition-delay: 1.04s;
}
.building-feilun.active .cp-round .cp-img:nth-child(4) {
  transition-delay: 1.16s;
}
.building-feilun.active .cp-round .cp-img:nth-child(5) {
  transition-delay: 1.28s;
}
.building-feilun.active .cp-round .cp-img:nth-child(6) {
  transition-delay: 1.4s;
}
.building-feilun.active .cp-round .cp-img:nth-child(7) {
  transition-delay: 1.52s;
}

/* feilun 多端适配（放在模块下方） */
@media (max-width: 1200px) {
  .building-feilun-center {
    width: 24%;
  }
}

@media (max-width: 992px) {
  .building-feilun-center {
    width: 30%;
  }
}

@media (max-width: 768px) {
  .building-feilun {
    flex-direction: column;
    align-items: center;
    margin-top: 60px;
    padding: 30px 0;
  }
  .building-feilun-center {
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    width: 60%;
    margin: 0 auto 30px;
    order: -1;
  }
  .building-feilun-item {
    width: 100%;
    max-width: 420px;
  }
  .building-feilun-item + .building-feilun-item {
    margin-top: 30px;
  }
}

@media (max-width: 480px) {
  .building-feilun-center {
    width: 72%;
  }
  .building-feilun-item {
    max-width: 320px;
  }
}

/*  */
.building-light-swiper {
  position: relative;
  z-index: 1;
  margin-top: 50px;
  padding-bottom: 50px;
}

.building-light-swiper .swiper-pagination {
  bottom: 0;
}

.building-light-swiper .swiper-slide {
  width: 1000px;
}

@media (max-width: 1200px) {
  .building-light-swiper .swiper-slide {
    width: 90%;
  }
}

@media (max-width: 768px) {
  .building-light-swiper .swiper-slide {
    width: 86%;
  }
  .building-light-item .cp-title {
    padding: 20px;
  }
  .building-light-item .cp-title h3 {
    font-size: 20px;
  }
}

.building-light-item {
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.building-light-item::before {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;
  width: 100%;
  height: 100%;
  content: "";
  background-color: rgba(0, 0, 0, 0.7);
}

.building-light-item .cp-poster img {
  display: block;
  width: 100%;
}

.building-light-item .cp-video video {
  display: block;
  width: 100%;
}

.building-light-item .cp-title {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 30px;
  color: #fff;
}

.building-light-item .cp-title h3 {
  font-size: 24px;
}

.building-light-item .cp-title p {
  margin-top: 10px;
}

.building-light-item .cp-list li {
  position: relative;
  z-index: 1;
  padding-left: 40px;
  margin-bottom: 10px;
  line-height: 30px;
  font-size: 14px;
  color: #fff;
}

.building-light-item .cp-list li img {
  position: absolute;
  top: 50%;
  left: 0;
  width: 30px;
  transform: translateY(-50%);
}

.building-light-item .cp-more {
  display: flex;
  gap: 15px;
}

.building-light-swiper
  .swiper-slide.swiper-slide-active
  .building-light-item::before {
  width: 0;
}

/*  */
.building-eco {
  margin-top: 50px;
  position: relative;
  z-index: 1;
  align-items: center;
  justify-content: center;
}

.building-eco-item {
  width: 33.33%;
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1;
  transform: translate(-50%, -50%);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.5s ease, left 0.6s ease, right 0.6s ease,
    transform 0.6s ease;
}

.building-eco-center .cp-img,
.building-eco-item .cp-img {
  position: absolute;
  top: 0;
  left: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
}

.building-eco-center .cp-img img,
.building-eco-item .cp-img img {
  display: block;
  width: 100%;
}

.building-eco-center .cp-img:first-child,
.building-eco-item .cp-img:first-child {
  position: static;
}

/* 底圈（circle）始终可见，优先出现在各自归位位置 */
.building-eco-center .cp-img:first-child,
.building-eco-item .cp-img:first-child {
  opacity: 1;
}

/* 其余图默认隐藏，归位完成后依次淡入 */
.building-eco-center .cp-img:not(:first-child),
.building-eco-item .cp-img:not(:first-child) {
  opacity: 0;
  transition: opacity 0.5s ease;
}

/* center 内其余图过渡放慢 */
.building-eco-center .cp-img:not(:first-child) {
  transition: opacity 0.9s ease;
}

.building-eco-center {
  position: relative;
  z-index: 1;
  width: 40%;
}

/* 激活后：左右 item 归位（底圈随 item 一起位移到各自位置，带 0.6s 过渡） */
.building-eco.active .building-eco-item {
  opacity: 1;
  visibility: visible;
}
.building-eco.active .building-eco-item:nth-child(1) {
  left: 0;
  right: auto;
  transform: translate(0, -50%) scale(0.8);
  transition-delay: 0s;
}
.building-eco.active .building-eco-item:nth-child(2) {
  left: auto;
  right: 0;
  transform: translate(0, -50%) scale(0.8);
  transition-delay: 0s;
}

/* 归位完成后（0.6s），其余图按先后顺序淡入：center 3 张（间隔拉开、过渡放慢） */
.building-eco.active .building-eco-center .cp-img:not(:first-child) {
  opacity: 1;
}
.building-eco.active .building-eco-center .cp-img:nth-child(2) {
  transition-delay: 0.9s;
}
.building-eco.active .building-eco-center .cp-img:nth-child(3) {
  transition-delay: 1.35s;
}
.building-eco.active .building-eco-center .cp-img:nth-child(4) {
  transition-delay: 1.8s;
}

/* 归位完成后，左右 item 内其余图（2/7）淡入 */
.building-eco.active .building-eco-item .cp-img:not(:first-child) {
  opacity: 1;
}
.building-eco.active .building-eco-item .cp-img:nth-child(2) {
  transition-delay: 0.75s;
}

/* eco 多端适配（放在模块下方） */
@media (max-width: 1200px) {
  .building-eco-center {
    width: 46%;
  }
  .building-eco-item {
    width: 30%;
  }
}

@media (max-width: 992px) {
  .building-eco {
    position: relative;
    flex-direction: column;
    align-items: center;
    min-height: 0;
  }
  .building-eco-center {
    position: relative;
    width: 80%;
    max-width: 460px;
    margin: 0 auto;
    order: -1;
  }
  .building-eco-item {
    position: relative;
    width: 80%;
    max-width: 460px;
    top: auto;
    left: auto;
    right: auto;
    transform: none;
    opacity: 1;
    visibility: visible;
    margin-top: 24px;
  }
  /* 堆叠时取消左右归位与缩放，避免溢出/位移异常 */
  .building-eco.active .building-eco-item:nth-child(1),
  .building-eco.active .building-eco-item:nth-child(2) {
    left: auto;
    right: auto;
    transform: none;
    transition-delay: 0s;
  }
}

@media (max-width: 768px) {
  .building-eco-center,
  .building-eco-item {
    width: 90%;
  }
}

@media (max-width: 480px) {
  .building-eco-center,
  .building-eco-item {
    width: 100%;
  }
  .building-eco-item {
    margin-top: 18px;
  }
}

/*  */
.building-source-list {
  margin-top: 50px;
}

.building-source-list ul {
  margin-left: -30px;
}

.building-source-list ul li {
  width: 25%;
  padding-left: 30px;
}

@media (max-width: 992px) {
  .building-source-list ul {
    margin-left: -20px;
  }
  .building-source-list ul li {
    width: 50%;
    padding-left: 20px;
    margin-top: 20px;
  }
}

@media (max-width: 480px) {
  .building-source-list ul li {
    width: 100%;
  }
  .building-source-list .cp-item {
    height: auto;
    padding: 24px;
  }
}

.building-source-list .cp-item {
  height: 460px;
  padding: 30px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.building-source-list .cp-icon {
  margin: 40px auto 0;
  width: 80px;
  height: 80px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.building-source-list .cp-item h3 {
  margin-top: 20px;
  font-size: 24px;
  color: #fff;
  text-align: center;
}

.building-source-list .cp-desc {
  margin-top: 20px;
  line-height: 1.6;
  text-align: center;
  color: #c7c7c7;
}

/* ===== maplay-logo-marquee 三排 logo 跑马灯 ===== */

.maplay-logo {
  position: relative;
  z-index: 1;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background-color: #000;
}

.maplay-logo-content {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1;
  transform: translate(-50%, -50%);
  width: 460px;
  height: 460px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  border-radius: 50%;
  background-color: #000;
  box-shadow: 0 0 200px 300px rgba(0, 0, 0, 0.8);
}

.maplay-logo-circle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  content: "";
  z-index: -1;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-image: linear-gradient(-90deg, #1260f9, #2fdaff);
  border: 1px solid #b4ceef;
}

.maplay-logo-content::after {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  content: "";
  z-index: -2;
  width: 140%;
  height: 140%;
  border-radius: 50%;
  background-image: linear-gradient(-90deg, #1260f9, #2fdaff);
  filter: blur(100px);
}

/* ===== SVG 电流流光圆环（独立层，不受 border-radius 裁切） ===== */
.maplay-logo-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 0;
  transform: translate(-50%, -50%);
  z-index: 3;
  pointer-events: none;
  overflow: visible;
  width: 552px;
  height: 552px;
}
/* 贪吃蛇公转：CSS animation 替代 GSAP */
.orbit-group {
  transform-origin: 276px 276px;
}
.orbit-group {
  animation: orbit-spin 3.5s linear infinite;
}
@keyframes orbit-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ===== "+" 初始隐藏 ===== */
.maplay-logo-number .num-plus {
  opacity: 0;
}

.maplay-logo-title h3 {
  font-size: 24px;
  color: #fff;
}

.maplay-logo-title p {
  margin-top: 10px;
  font-size: 16px;
  color: #fff;
}

.maplay-logo-number {
  position: relative;
  z-index: 1;
  margin-top: 50px;
}

.maplay-logo-number span {
  font-size: 6rem;
  color: #fff;
}

.maplay-logo-number em {
  position: absolute;
  top: -30px;
  right: -30px;
  font-size: 4rem;
  color: #fff;
}

.maplay-logo-marquee {
  padding: 80px 0;
}

.marquee-row {
  overflow: hidden;
  margin-top: 32px;
  position: relative;
}

.marquee-row:first-child {
  margin-top: 0;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation-play-state: paused;
}

.marquee-track.marquee-ready {
  animation-play-state: running;
}

.marquee-group {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  column-gap: 80px;
}

.marquee-group img {
  display: block;
  width: 180px;
  height: 90px;
  object-fit: contain;
}

/* Row 1: left, 22s */
.marquee-row-1 .marquee-track {
  animation-name: marquee-left;
  animation-duration: 30s;
}

/* Row 2: right, 28s */
.marquee-row-2 .marquee-track {
  animation-name: marquee-right;
  animation-duration: 28s;
}

/* Row 3: left, 16s */
.marquee-row-3 .marquee-track {
  animation-name: marquee-left;
  animation-duration: 40s;
}

/* 所有的 track 共用 linear infinite */
.marquee-track.marquee-ready {
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

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

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

/* ===== ≤1366px ===== */
@media (max-width: 1366px) {
  .maplay-logo-marquee {
    padding: 60px 0;
  }
  .marquee-row {
    margin-top: 28px;
  }
  .marquee-group {
    column-gap: 60px;
  }
  .marquee-group img {
    width: 150px;
    height: 75px;
  }
  .maplay-logo-content {
    width: 400px;
    height: 400px;
  }
  .maplay-logo-ring {
    width: 480px;
    height: 480px;
  }
  .maplay-logo-number span {
    font-size: 5rem;
  }
  .maplay-logo-number em {
    font-size: 3.2rem;
    top: -24px;
    right: -24px;
  }
  .maplay-logo-title h3 {
    font-size: 22px;
  }
  .maplay-logo-title p {
    font-size: 15px;
  }
}

/* ===== ≤1200px ===== */
@media (max-width: 1200px) {
  .maplay-logo-marquee {
    padding: 52px 0;
  }
  .marquee-row {
    margin-top: 26px;
  }
  .marquee-group {
    column-gap: 52px;
  }
  .marquee-group img {
    width: 140px;
    height: 70px;
  }
  .maplay-logo-content {
    width: 360px;
    height: 360px;
  }
  .maplay-logo-ring {
    width: 432px;
    height: 432px;
  }
  .maplay-logo-number span {
    font-size: 4.5rem;
  }
  .maplay-logo-number em {
    font-size: 2.8rem;
    top: -20px;
    right: -20px;
  }
  .maplay-logo-title h3 {
    font-size: 20px;
  }
  .maplay-logo-title p {
    font-size: 14px;
  }
}

/* ===== ≤1024px ===== */
@media (max-width: 1024px) {
  .maplay-logo-marquee {
    padding: 44px 0;
  }
  .marquee-row {
    margin-top: 22px;
  }
  .marquee-group {
    column-gap: 42px;
  }
  .marquee-group img {
    width: 120px;
    height: 60px;
  }
  .maplay-logo-content {
    width: 320px;
    height: 320px;
  }
  .maplay-logo-ring {
    width: 384px;
    height: 384px;
  }
  .maplay-logo-number span {
    font-size: 4rem;
  }
  .maplay-logo-number em {
    font-size: 2.4rem;
    top: -18px;
    right: -18px;
  }
  .maplay-logo-title h3 {
    font-size: 18px;
  }
  .maplay-logo-title p {
    font-size: 13px;
  }
  .maplay-logo-number {
    margin-top: 36px;
  }
}

/* ===== ≤768px ===== */
@media (max-width: 768px) {
  .maplay-logo-marquee {
    padding: 36px 0;
  }
  .marquee-row {
    margin-top: 18px;
  }
  .marquee-group {
    column-gap: 32px;
  }
  .marquee-group img {
    width: 100px;
    height: 50px;
    /* 移动端禁用 hover 滤镜 */
    opacity: 0.7;
  }
  /* 加速动画（内容窄，同比例位移，缩短时长更流畅） */
  .marquee-row-1 .marquee-track {
    animation-duration: 16s;
  }
  .marquee-row-2 .marquee-track {
    animation-duration: 20s;
  }
  .marquee-row-3 .marquee-track {
    animation-duration: 12s;
  }
  .maplay-logo-content {
    width: 280px;
    height: 280px;
  }
  .maplay-logo-ring {
    width: 336px;
    height: 336px;
  }
  .maplay-logo-number span {
    font-size: 3.5rem;
  }
  .maplay-logo-number em {
    font-size: 2rem;
    top: -16px;
    right: -14px;
  }
  .maplay-logo-title h3 {
    font-size: 17px;
  }
  .maplay-logo-title p {
    font-size: 12px;
  }
  .maplay-logo-number {
    margin-top: 30px;
  }
}

/* ===== ≤480px ===== */
@media (max-width: 480px) {
  .maplay-logo-marquee {
    padding: 28px 0;
  }
  .marquee-row {
    margin-top: 14px;
  }
  .marquee-group {
    column-gap: 24px;
  }
  .marquee-group img {
    width: 80px;
    height: 40px;
    opacity: 0.75;
  }
  /* 小屏进一步加速 */
  .marquee-row-1 .marquee-track {
    animation-duration: 12s;
  }
  .marquee-row-2 .marquee-track {
    animation-duration: 16s;
  }
  .marquee-row-3 .marquee-track {
    animation-duration: 9s;
  }
  .maplay-logo-content {
    width: 240px;
    height: 240px;
  }
  .maplay-logo-ring {
    width: 288px;
    height: 288px;
  }
  .maplay-logo-number span {
    font-size: 3rem;
  }
  .maplay-logo-number em {
    font-size: 1.6rem;
    top: -14px;
    right: -12px;
  }
  .maplay-logo-title h3 {
    font-size: 16px;
  }
  .maplay-logo-title p {
    font-size: 11px;
    margin-top: 6px;
  }
  .maplay-logo-number {
    margin-top: 24px;
  }
}