:root {
  --orange: #ff9708;
  --orange-deep: #ff7a00;
  --ink: #101829;
  --muted: #64748b;
  --header-height: 100px;
  --stage-scale: 1;
}

* {
  box-sizing: border-box;
}

html,
body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  overflow-x: hidden;
  overflow-y: auto;
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  color: var(--ink);
  background: #fffaf7;
  scroll-behavior: smooth;
}

button {
  font: inherit;
}

.design-stage {
  position: absolute;
  left: 50%;
  top: 0;
  width: 1920px;
  height: 6480px;
  overflow: visible;
  background: #fff;
  transform: translateX(-50%) scale(var(--stage-scale));
  transform-origin: top center;
}

.site-header {
  position: absolute;
  inset: 0 0 auto 0;
  z-index: 20;
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 120px 0 70px;
  background: rgba(255, 255, 255, 0.74);
  border-bottom: 1px solid rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 154px;
  height: 60px;
}

.brand img {
  display: block;
  width: 154px;
  height: 60px;
}

.main-nav {
  display: flex;
  align-items: stretch;
  gap: 68px;
  height: 100%;
}

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #445167;
  font-size: 16px;
  line-height: 22px;
  font-weight: 600;
  letter-spacing: 0;
  cursor: pointer;
  transition: color 180ms ease;
}

.nav-item::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 48px;
  height: 3px;
  border-radius: 999px 999px 0 0;
  background: var(--orange);
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.nav-item.active {
  color: var(--orange);
  font-weight: 700;
}

.nav-item.active::after,
.nav-item:hover::after {
  transform: translateX(-50%) scaleX(1);
}

.page-shell {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 1920px;
  height: auto;
}

.home-section {
  position: relative;
  flex: 0 0 1080px;
  width: 1920px;
  height: 1080px;
  overflow: hidden;
}

.home-section.active {
  pointer-events: auto;
}

.section-one {
  overflow: hidden;
  background: url("./首页-1/home_img_bg1.png") center / cover no-repeat;
}

.section-two {
  overflow: hidden;
  padding-top: var(--header-height);
  background: url("./首页-2/home_img_bg2.png") center / cover no-repeat;
}

.section-three {
  overflow: hidden;
  padding-top: var(--header-height);
  background: url("./首页-3/home_img_bg3.png") center / cover no-repeat;
}

.section-four {
  overflow: hidden;
  padding-top: var(--header-height);
  background: url("./首页-4/home_img_bg4.png") center / cover no-repeat;
}

.section-five {
  overflow: hidden;
  padding-top: var(--header-height);
  background: url("./首页-5/home_img_bg5.png") center / cover no-repeat;
}

.updates-title {
  position: absolute;
  top: 150px;
  left: 360px;
  display: block;
  width: 1200px;
  height: 90px;
}

.updates-layout {
  position: absolute;
  left: 160px;
  top: 315px;
  display: grid;
  grid-template-columns: 760px 760px;
  column-gap: 85px;
  width: 1605px;
}

.update-card {
  border: 0;
  text-align: left;
  cursor: pointer;
  transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1), filter 260ms ease, box-shadow 260ms ease;
}

.update-card:hover {
  transform: translateY(-10px);
  filter: drop-shadow(0 24px 34px rgba(249, 126, 20, 0.14));
}

.update-card:hover h3 {
  color: #ff8b15;
}

.update-card:hover .update-icon {
  transform: translateY(-4px) scale(1.06);
}

.update-feature {
  position: relative;
  width: 760px;
  height: 633px;
  padding: 78px 48px 44px;
  background: url("./首页-5/gxdt_img_nrbg.png") center / 873px 777px no-repeat;
  color: #111827;
}

.update-list {
  display: flex;
  flex-direction: column;
  padding-top: 44px;
  gap: 34px;
}

.update-row {
  position: relative;
  width: 760px;
  min-height: 245px;
  padding: 0 10px 34px 0;
  background: transparent;
  color: #111827;
  border-bottom: 1px solid rgba(255, 255, 255, 0.78);
}

.update-icon {
  display: block;
  width: 70px;
  height: 70px;
  margin-bottom: 45px;
  transition: transform 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

.update-row .update-icon {
  margin-bottom: 34px;
}

.update-card h3 {
  display: inline;
  margin: 0;
  color: #111;
  font-size: 34px;
  line-height: 1.35;
  font-weight: 800;
  transition: color 220ms ease;
}

.update-row h3 {
  font-size: 26px;
}

.update-card em {
  display: inline-block;
  margin-left: 14px;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 151, 8, 0.1);
  color: #ff8b15;
  font-size: 16px;
  line-height: 1;
  font-style: normal;
  vertical-align: 5px;
}

.update-card p {
  margin: 46px 0 0;
  color: #6d7d99;
  font-size: 20px;
  line-height: 1.78;
}

.update-card p + p {
  margin-top: 18px;
}

.update-row p {
  margin-top: 26px;
  font-size: 20px;
  line-height: 1.78;
}

.updates-more {
  position: absolute;
  left: 50%;
  bottom: 56px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  background: transparent;
  color: #ff8b15;
  cursor: pointer;
  transform: translateX(-50%);
  transition: transform 180ms ease;
}

.updates-more:hover {
  transform: translateX(-50%) translateY(-3px);
}

.updates-more span {
  font-size: 24px;
  line-height: 1;
}

.updates-more img {
  width: 24px;
  height: 24px;
}

.service-title {
  position: absolute;
  top: 150px;
  left: 360px;
  display: block;
  width: 1200px;
  height: 90px;
}

.service-grid {
  position: absolute;
  left: 160px;
  top: 313px;
  display: grid;
  grid-template-columns: repeat(4, 400px);
  grid-template-rows: repeat(2, 324px);
  gap: 39px 10px;
  width: 1600px;
}

.service-card {
  position: relative;
  width: 400px;
  height: 324px;
  padding: 42px 34px 28px;
  border: 0;
  background: url("./首页-4/fwbz_img_wxz.png") center / 400px 324px no-repeat;
  color: #101010;
  cursor: pointer;
  text-align: center;
  will-change: transform, opacity, filter;
  transition:
    color 420ms ease,
    transform 520ms cubic-bezier(0.22, 1, 0.36, 1),
    filter 520ms ease,
    opacity 420ms ease;
}

.service-card.active {
  width: 449px;
  height: 347px;
  padding: 52px 58px 34px;
  margin: -11px -24.5px -12px;
  z-index: 2;
  background: url("./首页-4/fwbz_img_xz.png") center / 449px 347px no-repeat;
  color: #fff;
  filter: drop-shadow(0 24px 34px rgba(249, 126, 20, 0.16));
  animation: serviceGlow 900ms ease both;
}

.service-card > * {
  position: relative;
  z-index: 1;
}

.service-icon {
  position: relative;
  display: block;
  width: 80px;
  height: 80px;
  margin: 0 auto 38px;
}

.service-icon img {
  position: absolute;
  inset: 0;
  display: block;
  width: 80px;
  height: 80px;
  transition: opacity 360ms ease, transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.service-card .icon-sel,
.service-card.active .icon-nor {
  opacity: 0;
}

.service-card.active .icon-sel,
.service-card .icon-nor {
  opacity: 1;
}

.service-card strong {
  display: block;
  margin-bottom: 16px;
  font-size: 26px;
  line-height: 1.25;
  font-weight: 800;
  transition: color 360ms ease, transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.service-card span:last-child {
  display: block;
  color: #6b7c99;
  font-size: 20px;
  line-height: 1.5;
  transition: color 360ms ease, transform 520ms cubic-bezier(0.22, 1, 0.36, 1);
}

.service-card.active strong {
  margin-bottom: 16px;
  font-size: 26px;
  line-height: 1.25;
  color: #fff;
}

.service-card.active span:last-child {
  color: #fff;
  font-size: 20px;
  line-height: 1.5;
}

@keyframes serviceGlow {
  0% {
    filter: drop-shadow(0 12px 18px rgba(249, 126, 20, 0.08));
  }

  48% {
    filter: drop-shadow(0 28px 40px rgba(249, 126, 20, 0.2));
  }

  100% {
    filter: drop-shadow(0 24px 34px rgba(249, 126, 20, 0.16));
  }
}
.solution-title {
  position: absolute;
  top: 150px;
  left: 360px;
  display: block;
  width: 1200px;
  height: 90px;
}

.solution-tabs {
  position: absolute;
  left: 310px;
  top: 278px;
  z-index: 2;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  width: 1300px;
  height: 98px;
}

.solution-tab {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  padding: 0;
  border: 0;
  background: transparent;
  color: #f9a544;
  cursor: pointer;
  text-align: center;
}

.solution-tab:nth-child(2),
.solution-tab:nth-child(3) {
  transform: translateX(15px);
}

.solution-icon {
  position: relative;
  display: block;
  width: 74px;
  height: 92px;
}

.solution-icon img {
  position: absolute;
  left: 50%;
  top: 42%;
  display: block;
  transform: translate(-50%, -50%);
  transition: opacity 180ms ease;
}

.solution-icon .icon-nor {
  width: 50px;
  height: 50px;
}

.solution-icon .icon-sel {
  opacity: 0;
}

.solution-tab.active .icon-nor {
  opacity: 0;
}

.solution-tab.active .icon-sel {
  opacity: 1;
}

.solution-tab strong {
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  font-size: 24px;
  line-height: 1;
  font-weight: 500;
  color: #ff9708;
  transition: font-size 180ms ease, font-weight 180ms ease;
}

.solution-tab.active strong {
  font-size: 28px;
  font-weight: 600;
}

.solution-line {
  position: absolute;
  left: 310px;
  top: 389px;
  width: 1300px;
  height: 10px;
  /* background: url("./首页-3/home_img_xtxz.png") left center / 265px 10px no-repeat; */
}

.solution-line::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 4px;
  height: 1px;
  background: rgba(255, 151, 8, 0.22);
}

.solution-line span {
  position: absolute;
  left: 0;
  top: 0;
  width: 425px;
  height: 10px;
  background: url("./首页-3/home_img_xtxz.png") center / 265px 10px no-repeat;
  transition: left 1000ms ease;
}

.solution-phones {
  position: absolute;
  left: 380px;
  top: 423px;
  width: 1140px;
  height: 588px;
}

.solution-phone-btn {
  position: absolute;
  top: 0;
  z-index: 3;
  display: block;
  width: 280px;
  height: 588px;
  padding: 0;
  border: 0;
  background: transparent;
  appearance: none;
  cursor: pointer;
}

.solution-phone {
  display: block;
  width: 100%;
  height: 100%;
  opacity: 0.48;
  transform: translateY(30px) scale(0.9);
  filter: drop-shadow(0 26px 42px rgba(131, 90, 40, 0.08));
  transition: opacity 260ms ease, transform 260ms ease, filter 260ms ease;
}

.phone-one {
  left: 0;
}

.phone-two {
  left: 454px;
}

.phone-three {
  left: 888px;
}

.solution-phone-btn.active .solution-phone {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: drop-shadow(0 28px 46px rgba(131, 90, 40, 0.14));
}

.solution-play {
  position: absolute;
  left: 50%;
  top: 50%;
  z-index: 4;
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background: rgba(17, 24, 39, 0.42);
  box-shadow: 0 14px 34px rgba(17, 24, 39, 0.18);
  opacity: 0.52;
  transform: translate(-50%, -50%) scale(0.92);
  transition: opacity 220ms ease, transform 220ms ease, background 220ms ease;
  pointer-events: none;
}

.solution-play::before {
  content: "";
  position: absolute;
  left: 31px;
  top: 23px;
  width: 0;
  height: 0;
  border-top: 15px solid transparent;
  border-bottom: 15px solid transparent;
  border-left: 22px solid #fff;
}

.solution-phone-btn.active .solution-play,
.solution-phone-btn:hover .solution-play {
  opacity: 1;
  background: rgba(17, 24, 39, 0.58);
  transform: translate(-50%, -50%) scale(1);
}

.solution-arrow {
  position: absolute;
  top: 280px;
  z-index: 2;
  display: block;
  width: 58px;
  height: 20px;
  opacity: 0.74;
  pointer-events: none;
}

.arrow-one {
  left: 336px;
}

.arrow-two {
  left: 772px;
}

.solution-count {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 20px;
  text-align: center;
  color: rgba(255, 151, 8, 0.38);
  font-size: 22px;
  line-height: 1;
}

.solution-count strong {
  color: #ff9708;
  font-weight: 500;
}

.pain-title {
  position: absolute;
  top: 150px;
  left: 360px;
  display: block;
  width: 1200px;
  height: 90px;
}

.pain-board {
  position: absolute;
  left: 110px;
  top: 293px;
  width: 1700px;
  height: 789px;
  min-height: 0;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: url("./首页-2/home_img_bg.png") center / 100% 100% no-repeat;
}

.pain-visuals {
  position: absolute;
  left: 980px;
  top: 120px;
  z-index: 1;
  width: 600px;
  height: 520px;
  pointer-events: none;
}

.pain-visual {
  position: absolute;
  left: 50%;
  top: 50%;
  display: block;
  max-width: 620px;
  max-height: 540px;
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.96);
  filter: drop-shadow(0 30px 44px rgba(120, 76, 36, 0.12));
  transition: opacity 260ms ease, transform 260ms ease;
}

.pain-visual.active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.pain-list {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.pain-card {
  position: absolute;
  left: 177px;
  isolation: isolate;
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 24px;
  align-items: center;
  width: 780px;
  height: 116px;
  margin-left: 0;
  padding: 26px 30px;
  border-radius: 34px 34px 34px 34px;
  border: 0;
  background: linear-gradient(90deg, #ffffff 0%, #ffffff 50%, rgba(255, 255, 255, 0.1) 100%);
  color: #5b5f68;
  text-align: left;
  cursor: pointer;
  transition: left 220ms ease, top 220ms ease, width 220ms ease, height 220ms ease, background 220ms ease, color 220ms ease, box-shadow 220ms ease;
}

.pain-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  padding: 2px;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.55) 45%, rgba(255, 255, 255, 0) 82%);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  pointer-events: none;
}

.pain-card:nth-child(1) {
  --base-top: 48px;
  top: 48px;
}

.pain-card:nth-child(2) {
  --base-top: 188px;
  top: 188px;
}

.pain-card:nth-child(3) {
  --base-top: 333px;
  top: 333px;
}

.pain-card:nth-child(4) {
  --base-top: 478px;
  top: 478px;
}

.pain-card.after-active {
  top: calc(var(--base-top) + 56px);
}

.pain-card.active {
  left: 147px;
  width: 850px;
  height: 172px;
  border: 0;
  border-radius: 34px 34px 34px 34px;
  background: linear-gradient(90deg, #f99530 0%, rgba(249, 149, 48, 0.92) 42%, rgba(249, 149, 48, 0.38) 72%, rgba(249, 149, 48, 0) 100%);
  color: #fff;
  /* box-shadow: 0 16px 32px rgba(255, 141, 18, 0.14); */
}

.pain-card.active::before {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.45) 48%, rgba(255, 255, 255, 0) 78%);
}

.pain-arrow {
  position: absolute;
  left: -48.25px;
  top: 50%;
  width: 34.25px;
  height: 36.03px;
  opacity: 0;
  transform: translateY(-50%) translateX(-8px);
  background: url("./首页-2/home_icon_xzjt.png") center / contain no-repeat;
  transition: opacity 180ms ease, transform 180ms ease;
}

.pain-card.active .pain-arrow {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

.pain-icon {
  position: relative;
  display: block;
  width: 64px;
  height: 64px;
  border-radius: 16px;
  overflow: hidden;
  flex: 0 0 auto;
}

.pain-icon img {
  position: absolute;
  inset: 0;
  display: block;
  width: 64px;
  height: 64px;
  transition: opacity 160ms ease;
}

.pain-card .icon-sel,
.pain-card.active .icon-nor {
  opacity: 0;
}

.pain-card.active .icon-sel,
.pain-card .icon-nor {
  opacity: 1;
}

.pain-copy {
  min-width: 0;
  max-width: 650px;
  overflow: hidden;
}

.pain-copy strong,
.pain-copy span {
  display: block;
}

.pain-copy strong {
  font-size: 20px;
  line-height: 34px;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pain-copy span {
  margin-top: 0;
  font-size: 20px;
  line-height: 34px;
  display: -webkit-box;
  max-height: 68px;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.video-trigger {
  position: absolute;
  z-index: 4;
  left: 1080px;
  top: 100px;
  width: 520px;
  height: 560px;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  cursor: pointer;
  transform: none;
  transition: transform 180ms ease;
}

.video-trigger:hover {
  transform: none;
}

.hero-copy {
  position: absolute;
  left: clamp(60px, 6.75vw, 130px);
  top: clamp(188px, 29.5vh, 320px);
  z-index: 2;
  width: min(790px, 48vw);
}

.hero-title {
  display: block;
  width: min(654px, 42vw);
  height: auto;
}

.hero-copy p {
  margin: 28px 0 0;
  color: #62718e;
  font-size: clamp(18px, 1.25vw, 24px);
  line-height: 1.6;
}

.stats-panel {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: center;
  width: min(784px, 43vw);
  min-height: 144px;
  margin-top: clamp(86px, 15vh, 168px);
  padding: 10px;
  border: 1px solid rgba(255, 255, 255, 0.86);
  border-radius: 34px;
  background: linear-gradient(106deg, rgba(255, 255, 255, 0.78), rgba(255, 239, 226, 0.68), rgba(255, 226, 226, 0.7));
  box-shadow: 0 24px 45px rgba(251, 139, 28, 0.11);
  backdrop-filter: blur(6px);
}

.stat-card {
  min-width: 0;
  min-height: 124px;
  border: 0;
  border-radius: 26px;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.stat-card strong,
.stat-card span {
  display: block;
}

.stat-card strong {
  font-size: clamp(30px, 2.42vw, 46px);
  line-height: 1;
  font-weight: 800;
}

.stat-card span {
  margin-top: 18px;
  font-size: clamp(15px, 0.94vw, 18px);
  color: #64748b;
}

.stat-card.active {
  color: #fff;
  background: linear-gradient(135deg, #ffb23b 0%, #ff7a00 100%);
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.72);
  transform: translateY(-1px);
}

.stat-card.active span {
  color: #fff;
}

.phone-stage {
  position: absolute;
  right: clamp(56px, 6vw, 116px);
  bottom: clamp(64px, 9vh, 98px);
  width: min(835px, 48vw);
  height: min(745px, 69vh);
}

.phone {
  position: absolute;
  display: block;
  height: min(745px, 69vh);
  width: auto;
  filter: drop-shadow(0 24px 42px rgba(117, 78, 32, 0.13));
  transition: opacity 220ms ease, transform 220ms ease;
}

.phone-main {
  z-index: 4;
  right: 21%;
  bottom: 0;
}

.phone-back-left {
  z-index: 2;
  right: 48%;
  bottom: 6%;
  opacity: 0.72;
  transform: scale(0.8);
}

.phone-back-right {
  z-index: 3;
  right: 3%;
  bottom: 7%;
  opacity: 0.82;
  transform: scale(0.82);
}

.phone-far {
  z-index: 1;
  right: -7%;
  bottom: 10%;
  opacity: 0.43;
  transform: scale(0.64);
}

.image-section {
  background: #fff;
}

.image-section img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.section-six {
  overflow: hidden;
  padding-top: var(--header-height);
  background: url("./首页-6/home_img_bg6.png") center / cover no-repeat;
}

.contact-hero {
  position: absolute;
  left: 50%;
  top: 210px;
  width: 920px;
  text-align: center;
  transform: translateX(-50%);
}

.contact-title {
  display: block;
  width: 820px;
  height: auto;
  margin: 0 auto;
}

.contact-hero p {
  margin: 34px 0 0;
  color: #62728f;
  font-size: 20px;
  line-height: 1.4;
  letter-spacing: 0;
}

.contact-panel {
  position: absolute;
  left: 50%;
  top: 430px;
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  align-items: center;
  width: 1050px;
  height: 500px;
  padding: 72px 92px 58px;
  border-radius: 54px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 32px 68px rgba(255, 142, 28, 0.12);
  transform: translateX(-50%);
}

.qr-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 0;
  border: 0;
  border-radius: 32px;
  background: transparent;
  cursor: pointer;
  transition: transform 220ms ease, background 220ms ease, box-shadow 220ms ease;
}

.qr-card:hover,
.qr-card.active {
  background: transparent;
  box-shadow: none;
}

.qr-card:hover {
  transform: none;
}

.qr-card img {
  display: block;
  width: 252px;
  height: 252px;
  object-fit: contain;
}

.qr-card span {
  margin-top: 56px;
  color: #63728e;
  font-size: 26px;
  font-weight: 700;
}

.contact-divider {
  width: 1px;
  height: 294px;
  background: linear-gradient(180deg, rgba(213, 220, 232, 0), #d5dce8 18%, #d5dce8 82%, rgba(213, 220, 232, 0));
}

.contact-footer {
  position: absolute;
  left: 130px;
  right: 130px;
  bottom: 24px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  color: #64748b;
  font-size: 16px;
}

.contact-footer nav {
  display: flex;
  align-items: center;
  gap: 20px;
}

.contact-footer button {
  padding: 0;
  border: 0;
  background: transparent;
  color: #64748b;
  cursor: pointer;
  transition: color 180ms ease;
}

.contact-footer button:hover {
  color: var(--orange);
}

.contact-footer i {
  width: 1px;
  height: 16px;
  background: #8a98ae;
}

.contact-footer span:last-child {
  text-align: right;
}

.contact-scroll {
  position: absolute;
  right: 48px;
  bottom: 64px;
  width: 34px;
  height: 42px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  transition: transform 180ms ease, filter 180ms ease;
}

.contact-scroll:hover {
  transform: translateY(-4px);
  filter: drop-shadow(0 8px 10px rgba(255, 151, 8, 0.18));
}

.contact-scroll img {
  display: block;
  width: 34px;
  height: 42px;
}

.video-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 30px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease;
}

.video-modal.open {
  opacity: 1;
  pointer-events: auto;
}

.video-backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(15, 23, 42, 0.58);
  cursor: pointer;
}

.video-dialog {
  position: relative;
  z-index: 1;
  width: min(980px, 86vw);
  height: min(635px, 82vh);
  padding: 28px 40px 38px;
  border-radius: 32px;
  background: url("./首页-2/视频弹窗/tc_img_bg.png") center / 100% 100% no-repeat;
  box-shadow: 0 28px 70px rgba(15, 23, 42, 0.32);
}

.video-dialog.portrait-video {
  width: min(560px, 86vw);
  height: min(860px, 88vh);
  padding: 28px 34px 36px;
}

.video-modal-title {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 38px;
  color: #333846;
  font-size: 24px;
  font-weight: 800;
}

.video-modal-title img {
  width: 30px;
  height: 30px;
}

.video-surface {
  position: relative;
  width: 100%;
  height: calc(100% - 66px);
  margin-top: 20px;
  overflow: hidden;
  border-radius: 18px;
  background: #303030;
}

.video-player {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.video-center-play {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 90px;
  height: 90px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transform: translate(-50%, -50%);
}

.video-center-play img {
  display: block;
  width: 90px;
  height: 90px;
}

.video-controls {
  position: absolute;
  left: 20px;
  right: 20px;
  bottom: 18px;
  color: #fff;
  font-size: 16px;
}

.video-time {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
}

.video-progress {
  position: relative;
  display: block;
  width: 100%;
  height: 4px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  cursor: pointer;
}

.video-progress span {
  position: absolute;
  inset: 0 auto 0 0;
  width: 12%;
  border-radius: inherit;
  background: #ff9a2c;
}

.video-actions {
  display: grid;
  grid-template-columns: 16px 1fr 16px 16px 16px;
  align-items: center;
  gap: 24px;
  margin-top: 14px;
}

.video-actions button {
  width: 16px;
  height: 16px;
  padding: 0;
  border: 0;
  background: transparent;
  border-radius: 4px;
  cursor: pointer;
}

.video-toggle-icon {
  position: relative;
  display: block;
  width: 16px;
  height: 16px;
}

.video-toggle-icon::before,
.video-toggle-icon::after {
  content: "";
  position: absolute;
  top: 2px;
  width: 4px;
  height: 12px;
  border-radius: 1px;
  background: #fff;
}

.video-toggle-icon::before {
  left: 3px;
}

.video-toggle-icon::after {
  right: 3px;
}

.video-toggle.paused .video-toggle-icon::before {
  left: 5px;
  top: 2px;
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 9px solid #fff;
  border-radius: 0;
  background: transparent;
}

.video-toggle.paused .video-toggle-icon::after {
  display: none;
}

.video-actions button.active {
  outline: 0;
}

.video-volume {
  position: relative;
}

.video-volume.active::after {
  content: "";
  position: absolute;
  left: 1px;
  top: 7px;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: #fff;
  transform: rotate(-42deg);
  transform-origin: center;
  pointer-events: none;
}

.video-actions img {
  display: block;
  width: 16px;
  height: 16px;
  pointer-events: none;
}

.video-more-menu {
  position: absolute;
  right: 0;
  bottom: 36px;
  display: grid;
  gap: 6px;
  width: 132px;
  padding: 8px;
  border-radius: 10px;
  background: rgba(24, 24, 24, 0.94);
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.24);
}

.video-more-menu[hidden] {
  display: none;
}

.video-more-menu button {
  height: 30px;
  padding: 0 10px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: #fff;
  text-align: left;
  cursor: pointer;
}

.video-more-menu button:hover {
  background: rgba(255, 255, 255, 0.12);
}

.video-close {
  position: absolute;
  right: 40px;
  top: 28px;
  z-index: 2;
  width: 36px;
  height: 36px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
}

.video-close img {
  display: block;
  width: 36px;
  height: 36px;
}

.side-dots {
  position: absolute;
  z-index: 30;
  right: 34px;
  top: 50%;
  display: flex;
  flex-direction: column;
  gap: 13px;
  transform: translateY(-50%);
}

.side-dot {
  width: 10px;
  height: 10px;
  padding: 0;
  border: 2px solid #ffdca9;
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.side-dot.active {
  border-color: var(--orange);
  background: var(--orange);
  transform: scale(0.96);
}

.side-dot:hover {
  border-color: var(--orange);
}

@media (max-width: 0px) {
  :root {
    --header-height: 76px;
  }

  .site-header {
    padding-inline: 20px;
  }

  .brand,
  .brand img {
    width: 123px;
    height: 48px;
  }

  .main-nav {
    gap: 22px;
  }

  .nav-item {
    min-width: auto;
    font-size: 14px;
  }

  .hero-copy {
    top: 120px;
    width: calc(100vw - 64px);
  }

  .hero-title {
    width: min(560px, 78vw);
  }

  .stats-panel {
    width: min(760px, 82vw);
    margin-top: 54px;
  }

  .phone-stage {
    right: 24px;
    bottom: 28px;
    width: 55vw;
    opacity: 0.72;
  }
}

@media (max-width: 0px) {
  body {
    overflow: hidden;
  }

  .site-header {
    justify-content: center;
  }

  .brand {
    position: absolute;
    left: 16px;
  }

  .main-nav {
    max-width: calc(100vw - 150px);
    overflow-x: auto;
    gap: 18px;
  }

  .nav-item {
    flex: 0 0 auto;
    white-space: nowrap;
  }

  .hero-copy {
    left: 22px;
    top: 108px;
    width: calc(100vw - 44px);
  }

  .hero-copy p {
    font-size: 15px;
  }

  .stats-panel {
    grid-template-columns: 1fr;
    width: min(330px, calc(100vw - 48px));
    min-height: 0;
    margin-top: 28px;
    border-radius: 22px;
  }

  .stat-card {
    min-height: 82px;
    border-radius: 18px;
  }

  .stat-card span {
    margin-top: 10px;
  }

  .phone-stage {
    right: -56px;
    width: 88vw;
    height: 42vh;
    opacity: 0.46;
  }

  .phone {
    height: 42vh;
  }

  .pain-copy strong {
    font-size: 15px;
  }

  .pain-copy span {
    font-size: 13px;
  }
  .side-dots {
    right: 12px;
  }
}