@font-face {
    font-family: 'SourceHanSansCN-Bold';
    src: url('../fonts/SourceHanSans/SourceHanSansCN-Bold.woff2')format('woff2'),
    url('../fonts/SourceHanSans/SourceHanSansCN-Bold.woff')format('woff');
    font-weight: normal;
    font-style: normal;
  }
 
  @font-face {
     font-family: 'SourceHanSansCN-Medium';
     src: url('../fonts/SourceHanSans/SourceHanSansCN-Medium.woff2')format('woff2'),
     url('../fonts/SourceHanSans/SourceHanSansCN-Medium.woff')format('woff');
     font-weight: normal;
     font-style: normal;
   }
 

.ipc-page {
  --font: "SourceHanSansCN-Regular","Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  --dark: #030b14;
  --cyan: #29c9ff;
  --blue: #276dff;
  --orange: #ff850f;
  --text: #f2fbff;
  --muted: #b7cbe1;
  --ink: #111a24;
  --line: rgba(78, 177, 255, 0.36);
  --card: rgba(7, 29, 61, 0.66);
  --max: 1200px;
  --radius: 6px;
  --section-heading-size: clamp(34px, 4.35vw, 60px);
  --section-subtitle-size: clamp(15px, 1.45vw, 20px);
}


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



.ipc-page img { display: block; max-width: 100%; height: auto; }
.ipc-page a { color: inherit; text-decoration: none; }
.ipc-page button { font: inherit; }

.ipc-page .mobile-art {
  display: none;
}

.ipc-page .skip-link {
  position: absolute;
  left: 16px;
  top: -80px;
  z-index: 20;
  padding: 8px 14px;
  color: #001827;
  background: var(--cyan);
}
.ipc-page .skip-link:focus { top: 16px; }

.ipc-page .ipc-container {
  width: min(calc(100% - 32px), var(--max));
  margin-inline: auto;
}

.ipc-page .ipc-hero {
  position: relative;
  min-height: clamp(640px, 52vw, 1000px);
  overflow: hidden;
  background: #020910;
}

.ipc-page .ipc-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.ipc-page .ipc-hero__content {
  position: relative;
  z-index: 2;
  width: min(100% - 32px, 960px);
  margin: 0 auto;
  padding-top: clamp(54px, 5.8vw, 110px);
  text-align: center;
}

.ipc-page .ipc-hero h1 {
  margin: 0;
  font-size: clamp(52px, 6vw, 104px);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: #e9fbff;
  background: linear-gradient(180deg, #ffffff 0%, #edfaff 42%, #d8f7ff 70%, #bcefff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow:
    0 12px 10px rgba(0, 28, 58, 0.78),
    5px 8px 0 rgba(3, 37, 63, 0.72),
    0 0 10px rgba(145, 242, 255, 0.45),
    0 0 22px rgba(50, 174, 240, 0.34);
}

.ipc-page .ipc-hero p {
  margin: clamp(18px, 2vw, 34px) 0 0;
  color: #fff;
  font-size: clamp(30px, 4.6vw, 74px);
  line-height: 1.1;
  font-weight: 900;
  text-shadow: 0 8px 26px rgba(0, 0, 0, 0.36);
}

.ipc-page .ipc-hero__tagline {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: clamp(42px, 7.2vw, 138px);
  white-space: nowrap;
}

.ipc-page .ipc-hero__metric {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.08em;
  line-height: 1;
  text-shadow: 0 11px 9px rgba(0, 28, 58, 0.72);
}

.ipc-page .ipc-hero__metric > span {
  display: inline-flex;
  align-items: center;
  min-height: 1.58em;
  line-height: 1;
  font-family: SourceHanSansCN-Medium;
}

.ipc-page .ipc-hero p strong {
  display: inline-block;
  color: var(--orange);
  transform: skewX(348deg) translateY(0.01em);
  font-size: 1.85em;
  line-height: 0.82;
  margin-right: 0.01rem;
  font-family: 'SourceHanSansCN-BOLD';
  margin-top: -15px;
}

.ipc-page .ipc-hero__products {
  position: absolute;
  z-index: 1;
  left: 50%;
  bottom: clamp(-150px, -7vw, -70px);
  width: min(91vw, 1760px);
  max-width: none;
  transform: translateX(-50%);
}

.ipc-page .section {
  position: relative;
  overflow: hidden;
  padding: clamp(72px, 8vw, 120px) 0;
}

.ipc-page .section__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.ipc-page .section > .ipc-container {
  position: relative;
  z-index: 1;
}

.ipc-page .section-title {
  margin: 0 auto clamp(34px, 5vw, 50px);
  text-align: center;
}

.ipc-page .section-title h2 {
  margin: 0 0 14px;
  font-size: var(--section-heading-size);
  line-height: 1.12;
  letter-spacing: 0.02em;
  font-family: 'SourceHanSansCN-BOLD';
}

.ipc-page .section-title h2 span {
  display: inline-block;
  color: var(--orange);
  font-style: italic;
  font-weight: 600;
  font-size: 1.4em;
  line-height: 0.92;
  vertical-align: -0.02em;
  font-family: 'SourceHanSansCN-BOLD';
  margin-right: .1rem;
}

.ipc-page .section-title h2 .section-title__blue-line {
  display: block;
  margin: 0.05em 0 0;
  color: #2f5ea8;
  font-size: 1em;
  line-height: 1.08;
  font-style: normal;
  font-weight: 600;
  letter-spacing: 0.04em;
  vertical-align: baseline;
}

.ipc-page .section--features .section-title h2 {
  font-family: 'SourceHanSansCN-BOLD';
}

.ipc-page .section-title p {
  max-width: 980px;
  margin: 0 auto;
  font-size: var(--section-subtitle-size);
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.ipc-page .section-title small {
  display: block;
  max-width: 960px;
  margin: 18px auto 0;
  color: var(--muted);
  font-size: clamp(14px, 1.25vw, 18px);
  line-height: 1.65;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.ipc-page .section-title--dark { color: var(--ink); }
.ipc-page .section-title--dark p { color: #17283a;  font-family: 'SourceHanSansCN-Regular'; }
.ipc-page .section-title--light { color: #fff; }
.ipc-page .section-title--light p { color: var(--muted); }

.ipc-page .section--features {
  min-height: clamp(760px, 44vw, 850px);
}

.ipc-page .feature-grid {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(18px, 2vw, 28px);
  max-width: 1060px;
}

.ipc-page .feature-grid,
.ipc-page .dev-grid,
.ipc-page .scenario-grid,
.ipc-page .wide-visual,
.ipc-page .contact-list {
  opacity: 1;
  transform: none;
}

.ipc-page.js-reveal-ready .feature-grid,
.ipc-page.js-reveal-ready .dev-grid,
.ipc-page.js-reveal-ready .scenario-grid,
.ipc-page.js-reveal-ready .contact-list {
  opacity: 1;
  transform: translate3d(0, 24px, 0);
  transition: transform 0.72s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.ipc-page.js-reveal-ready .wide-visual {
  opacity: 0;
  transform: translate3d(0, 32px, 0);
  transition:
    opacity 0.7s ease,
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

.ipc-page.js-reveal-ready .feature-grid li,
.ipc-page.js-reveal-ready .dev-grid li,
.ipc-page.js-reveal-ready .scenario-grid li,
.ipc-page.js-reveal-ready .contact-list > * {
  opacity: 0;
  transform: translate3d(0, 20px, 0);
  transition:
    opacity 0.58s ease,
    transform 0.58s cubic-bezier(0.22, 1, 0.36, 1);
  transition-delay: calc(var(--reveal-index, 0) * 120ms);
  will-change: opacity, transform;
}

.ipc-page.js-reveal-ready .is-revealed,
.ipc-page.js-reveal-ready .is-revealed li,
.ipc-page.js-reveal-ready .is-revealed > * {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.ipc-page .feature-grid li {
  min-height: 142px;
  display: grid;
  grid-template-columns: 88px 1fr;
  align-items: center;
  gap: 18px;
  padding: 24px 28px;
  background: rgba(255, 255, 255, 0.26);
  border: 1px solid rgba(255, 255, 255, 0.44);
  border-radius: var(--radius);
  box-shadow: 0 20px 50px rgba(32, 130, 230, 0.12);
  backdrop-filter: blur(5px);
}

.ipc-page .feature-grid img {
  width: 76px;
  height: 76px;
  object-fit: contain;
}

.ipc-page .feature-grid h3 {
  margin: 0 0 7px;
  color: #101925;
  font-size: clamp(17px, 1.25vw, 20px);
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.ipc-page .feature-grid p {
  margin: 0;
  color: #1f3141;
  font-size: 14px;
  line-height: 1.55;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.ipc-page .section--dev {
  min-height: clamp(860px, 53vw, 1020px);
  background: #06101d;
}

.ipc-page .dev-grid {
  list-style: none;
  margin: 0 auto;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(22px, 2.5vw, 36px);
  max-width: 1120px;
}

.ipc-page .dev-grid li {
  min-height: 184px;
  padding: clamp(24px, 2.8vw, 34px);
  background: linear-gradient(180deg, rgba(8, 39, 86, 0.72), rgba(5, 23, 54, 0.82));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: inset 0 0 0 1px rgba(119, 205, 255, 0.06);
}

.ipc-page .dev-card__head {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 14px;
}

.ipc-page .dev-card__head span {
  display: grid;
  place-items: center;
  width: 52px;
  height: 38px;
  color: #fff;
  background: rgba(11, 44, 91, 0.9);
  border: 1px solid var(--line);
  border-radius: 4px;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.ipc-page .dev-card__head h3 {
  margin: 0;
  font-size: clamp(20px, 2vw, 30px);
  font-weight: 500;
  letter-spacing: 0.01em;
}

.ipc-page .dev-grid p {
  margin: 0 0 22px;
  color: #e1eef8;
  font-size: clamp(15px, 1.4vw, 18px);
  line-height: 1.55;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.ipc-page .dev-icons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(8px, 1.2vw, 22px);
  max-width: 100%;
}

.ipc-page .dev-icons figure {
  width: clamp(58px, 6vw, 86px);
  margin: 0;
  text-align: center;
  color: #fff;
  font-size: clamp(12px, 1.1vw, 16px);
  line-height: 1.55;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.ipc-page .dev-icons figure img {
  width: clamp(48px, 5vw, 74px);
  height: clamp(48px, 5vw, 74px);
  margin: 0 auto 8px;
  object-fit: contain;
}

.ipc-page .dev-icons--wide img {
  width: min(100%, 360px);
  height: auto;
}

.ipc-page .dev-icons--calendar img {
  width: min(100%, 330px);
  height: auto;
}

.ipc-page .dev-icons b {
  color: #fff;
  flex: 0 0 auto;
  font-size: clamp(18px, 2vw, 28px);
}

.ipc-page .section--protection,
.ipc-page .section--scenarios {
  background: linear-gradient(180deg, #071427, #040c17);
}

.ipc-page .section--spec {
  min-height: 100vh;
  padding-top: clamp(58px, 5.5vw, 92px);
  padding-bottom: clamp(52px, 5vw, 86px);
  background: #eaf7ff;
  color: #111820;
}

.ipc-page .section--spec .section__bg {
  opacity: 1;
}

.ipc-page .section--spec .section-title {
  margin-bottom: clamp(18px, 2.2vw, 30px);
}

.ipc-page .section--spec .ipc-container {
  width: min(calc(100% - 32px), 1504px);
}

.ipc-page .section--spec .section-title h2 {
  color: #ff850f;
  font-size: clamp(34px, 4.8vw, 70px);
  font-style: italic;
  letter-spacing: 0.03em;
  font-family: 'SourceHanSansCN-BOLD';
}

.ipc-page .section--spec .section-title h3 {
  margin: 0;
  color: #111820;
  font-size: var(--section-heading-size);
  line-height: 1.08;
  font-weight: 500;
  letter-spacing: 0.02em;
  font-family: 'SourceHanSansCN-Bold';
}

.ipc-page .section--spec .section-title p {
  margin-top: 22px;
  color: #111820;
  font-size: var(--section-subtitle-size);
}

.ipc-page .section--software,
.ipc-page .section--customize {
  background: linear-gradient(180deg, #eef8ff, #d9f0ff);
}

.ipc-page .section--software {
  padding-bottom: 0;
}

.ipc-page .section--software .section__bg {
  opacity: 1;
}

.ipc-page .section--software .section-title h2 span {
  font-size: 1em;
  line-height: inherit;
  font-style: normal;
  font-weight: inherit;
  vertical-align: baseline;
}

.ipc-page .section--customize .section-title h2 span {
  font-size: 1em;
  line-height: inherit;
  font-style: normal;
  font-weight: inherit;
  vertical-align: baseline;
}

.ipc-page .section--scenarios .section__bg {
  opacity: 0.72;
}

.ipc-page .section--scenarios .section-title h2 span {
  font-style: normal;
}

.ipc-page .table-shell {
  overflow: hidden;
  overflow-x: auto;
  width: min(100%, 1504px);
  margin: 0 auto;
  border: 1px solid rgba(48, 113, 203, 0.62);
  border-radius: 12px;
  background: rgba(214, 231, 245, 0.42);
  -webkit-overflow-scrolling: touch;
  outline: none;
  box-shadow: none;
  border-bottom: none;
}

.ipc-page .table-shell:focus-visible {
  box-shadow: 0 0 0 2px rgba(48, 113, 203, 0.18);
}

.ipc-page .spec-table {
  width: 100%;
  min-width: 1500px;
  border-collapse: separate;
  border-spacing: 0;
  color: #2b343d;
  font-size: clamp(14px, 1.05vw, 18px);
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: 0.01em;
  border: none;
  font-family: 'SourceHanSansCN-BOLD';
}

.ipc-page .spec-table th,
.ipc-page .spec-table td {
  height: 61px;
  padding: 7px 18px;
  text-align: center;
  border: 0;
  border-right: 1px solid rgba(48, 113, 203, 0.62);
  border-bottom: 1px solid rgba(48, 113, 203, 0.62);
  background: rgba(210, 227, 243, 0.3);
  vertical-align: middle;
  color: #1d1d1d;
}

.ipc-page .spec-table thead th {
  height: 76px;
  padding: 10px 18px;
  font-size: clamp(15px, 1.12vw, 20px);
  background: rgba(226, 238, 248, 0.28);
}

.ipc-page .spec-table th:last-child,
.ipc-page .spec-table td:last-child {
  border-right: 0;
}

.ipc-page .spec-table tbody th {
  width: 255px;
  background: rgba(226, 238, 248, 0.18);
  font-weight: 500;
  font-family: 'SourceHanSansCN-Regular';
}

.ipc-page .spec-table thead th:first-child {
  font-family: 'SourceHanSansCN-Regular';
  font-weight: 500;
}

.ipc-page .spec-table tbody tr:first-child td {
  color: #0b55b7;
}

.ipc-page .section--protection {
  /* height: 100vh; */
  /* min-height: min(720px, 100vh); */
  padding: 0;
  display: flex;
  align-items: stretch;
  background: #071426;
  overflow: hidden;
}

.ipc-page .section--protection .section__bg {
  opacity: 1;
}

.ipc-page .protection-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  padding-top: 0;
}

.ipc-page .section--protection .section-title {
  position: absolute;
  z-index: 4;
  top: clamp(50px, 6vw, 88px);
  left: 50%;
  width: min(100% - 32px, 1480px);
  transform: translateX(-50%);
}

.ipc-page .section--protection .section-title h2 {
  margin-bottom: clamp(6px, 0.9vw, 12px);
  font-size: var(--section-heading-size);
}

.ipc-page .section--protection .section-title h2 span {
  color: var(--orange);
  font-style: normal;
  font-size: var(--section-heading-size);
}

.ipc-page .section--protection .section-title p {
  font-size: var(--section-subtitle-size);
}

.ipc-page .carousel {
  position: relative;
  width: 100%;
  height: 100%;
  max-width: none;
  margin: 0;
  align-self: stretch;
}

.ipc-page .carousel__viewport {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  height: 100%;
}

.ipc-page .carousel__viewport img{
    margin: 0 auto;
}

.ipc-page .carousel__slide {
  display: none;
  position: relative;
  height: 100%;
  overflow: hidden;
  background: #070e21;
}
.ipc-page .carousel__slide:nth-child(4) {
  background:
    linear-gradient(90deg, rgba(7, 14, 33, 0.98) 0%, rgba(7, 14, 33, 0.34) 48%, rgba(7, 14, 33, 0.08) 100%),
}
.ipc-page .carousel__slide.is-active { display: block; }

.ipc-page .carousel__slide-art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  aspect-ratio: 1920 / 1020;
  object-fit: cover;
  object-position: center 56%;
  background: transparent;
}

.ipc-page .carousel__nav {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(2, 14, 28, 0.72);
  cursor: pointer;
}

.ipc-page .carousel__nav::before {
  content: "";
  position: absolute;
  inset: 13px 11px 13px 15px;
  border-left: 2px solid #fff;
  border-bottom: 2px solid #fff;
  transform: rotate(45deg);
}

.ipc-page .carousel__nav--prev { left: -21px; }
.ipc-page .carousel__nav--next { right: -21px; transform: rotate(180deg); }

.ipc-page .carousel__dots {
  position: absolute;
  z-index: 3;
  left: 50%;
  bottom: clamp(24px, 3.5vw, 46px);
  transform: translateX(-50%);
  display: flex;
  justify-content: center;
  gap: clamp(18px, 2.6vw, 34px);
  margin-top: 0;
}

.ipc-page .carousel__dots button {
  width: 16px;
  height: 16px;
  padding: 0;
  border: 3px solid rgba(65, 185, 255, 0.95);
  border-radius: 50%;
  background: rgba(7, 27, 50, 0.25);
  cursor: pointer;
}

.ipc-page .carousel__dots button.is-active {
  background: #1caeff;
  border-color: #1caeff;
  box-shadow: 0 0 0 7px rgba(28, 174, 255, 0.18);
}

.ipc-page .wide-visual {
  margin: 0 auto;
  max-width: 1180px;
}

.ipc-page .wide-visual img {
  width: 100%;
  border-radius: 0;
  box-shadow: none;
}

.ipc-page .section--software .wide-visual {
  width: 100vw;
  max-width: none;
  margin-left: calc(50% - 50vw);
  margin-right: calc(50% - 50vw);
  margin-bottom: 0;
}

.ipc-page .scenario-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.ipc-page .scenario-grid li {
  position: relative;
  overflow: hidden;
  /* border: 1px solid var(--line); */
  border-radius: var(--radius);
  background: transparent;
}

.ipc-page .scenario-grid img {
  display: block;
  width: 100%;
  aspect-ratio: 730 / 480;
  object-fit: cover;
  border-radius: var(--radius);
}

.ipc-page .scenario-grid span {
  display: block;
  position: static;
  padding: 18px 12px 4px;
  text-align: center;
  font-weight: 500;
  font-size: clamp(17px, 1.4vw, 22px);
  letter-spacing: 0.01em;
  background: transparent;
}

.ipc-page .ipc-cta {
  position: relative;
  overflow: hidden;
  min-height: clamp(520px, 50.5vw, 750px);
  padding: clamp(58px, 6.2vw, 96px) 0 clamp(66px, 7vw, 118px);
  text-align: center;
  background: #030913;
}

.ipc-page .ipc-cta__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  opacity: 1;
}

.ipc-page .ipc-cta__inner {
  position: relative;
  z-index: 1;
}

.ipc-page .ipc-cta h2 {
  font-family: 'SourceHanSansCN-BOLD';
  margin: 0 0 16px;
  font-size: var(--section-heading-size);
  line-height: 1.16;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-shadow: 0 8px 24px rgba(0, 20, 50, 0.42);
}

.ipc-page .ipc-cta h2 span {
  color: var(--orange);
}

.ipc-page .ipc-cta p {
  max-width: 760px;
  margin: 0 auto clamp(36px, 5vw, 70px);
  color: #d3e9f8;
  font-size: var(--section-subtitle-size);
  line-height: 1.55;
  font-weight: 400;
  letter-spacing: 0.01em;
}

.ipc-page .contact-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(28px, 4.6vw, 64px);
  max-width: 980px;
  margin: 0 auto clamp(42px, 4.8vw, 64px);
  text-align: center;
}

.ipc-page .contact-list a,
.ipc-page .contact-list > span {
  display: grid;
  justify-items: center;
  gap: 0;
  align-items: start;
  min-width: 0;
  min-height: 150px;
  padding: 20px 18px 18px;
  border-radius: 6px;
  background: rgba(10, 34, 64, 0.48);
  border: 1px solid rgba(92, 200, 255, 0.22);
  font-size: clamp(15px, 1.25vw, 20px);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.ipc-page .contact-list img {
  width: 72px;
  height: 72px;
  padding: 0;
  object-fit: contain;
  margin-bottom: 14px;
}

.ipc-page .contact-list span span,
.ipc-page .contact-list a span {
  display: block;
  color: #d7ecfa;
  font-size: clamp(14px, 1.05vw, 18px);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 4px;
}

.ipc-page .contact-list strong {
  display: block;
  color: #fff;
  font-weight: 800;
  line-height: 1.2;
}

.ipc-page .ipc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 64px;
  padding: 16px 44px;
  border-radius: 999px;
  font-weight: 500;
  letter-spacing: 0.02em;
}

.ipc-page .ipc-btn--primary {
  min-width: 240px;
  min-height: 64px;
  padding: 16px 52px;
  border-radius: 999px;
  color: #00192b;
  background: linear-gradient(135deg, #6af2ff, #2ca4ff);
  box-shadow: 0 16px 38px rgba(24, 178, 255, 0.26);
  font-size: clamp(18px, 1.35vw, 22px);
  transition:
    transform 0.28s ease,
    box-shadow 0.28s ease,
    background 0.28s ease,
    filter 0.28s ease;
}

.ipc-page .ipc-btn--primary::after {
  content: none;
}

.ipc-page .ipc-btn--primary:hover,
.ipc-page .ipc-btn--primary:focus-visible {
  background: linear-gradient(135deg, #8df7ff, #4db6ff);
  box-shadow: 0 20px 46px rgba(24, 178, 255, 0.38);
  transform: translateY(-2px);
  filter: brightness(1.04);
}

.ipc-page .ipc-btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 12px 28px rgba(24, 178, 255, 0.28);
}

.ipc-page img.img-missing {
  min-height: 120px;
  border: 1px dashed #ff6f91;
  background: rgba(255, 111, 145, 0.12);
}

@media (max-width: 980px) {
  .ipc-page .ipc-hero__products {
    width: min(91.667vw, 1120px, calc((100vh - var(--ipc-nav-h)) * 1.86));
    bottom: -82px;
  }

  .ipc-page .feature-grid,
  .ipc-page .dev-grid,
  .ipc-page .scenario-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .ipc-page .mobile-art {
    display: block;
    width: 100%;
    height: auto;
  }

  .ipc-page .ipc-hero {
    height: auto;
    min-height: 0;
    overflow: hidden;
    background: #020910;
  }

  .ipc-page .mobile-art--hero {
    display: block;
    width: 100%;
    height: auto;
    vertical-align: top;
  }

  .ipc-page .ipc-hero__bg,
  .ipc-page .ipc-hero__content,
  .ipc-page .ipc-hero__products {
    display: none;
  }

  .ipc-page .section--protection {
    height: auto;
    min-height: 0;
    padding: 0;
    display: block;
  }

  .ipc-page .section--protection .protection-inner {
    display: none;
  }

  .ipc-page .section--software {
    padding: 0;
    background: #eaf8ff;
  }

  .ipc-page .section--software .section__bg,
  .ipc-page .section--software .ipc-container {
    display: none;
  }

  .ipc-page .ipc-cta {
    min-height: auto;
    padding: 46px 0 50px;
  }

  .ipc-page .ipc-cta__bg {
    object-position: center top;
  }

  .ipc-page .ipc-cta h2 {
    margin-bottom: 12px;
    font-size: var(--section-heading-size);
  }

  .ipc-page .ipc-cta p {
    margin-bottom: 28px;
    font-size: var(--section-subtitle-size);
  }

  .ipc-page .contact-list {
    gap: 16px;
    margin-bottom: 28px;
  }

  .ipc-page .contact-list a,
  .ipc-page .contact-list > span {
    min-height: 112px;
    padding: 16px 14px;
  }

  .ipc-page .contact-list img {
    width: 56px;
    height: 56px;
    margin-bottom: 10px;
  }

  .ipc-page .ipc-btn--primary {
    min-width: 250px;
    min-height: 62px;
    padding: 16px 44px;
    font-size: 22px;
  }
}

@media (max-width: 640px) {
  .ipc-page .ipc-container {
    width: min(calc(100% - 24px), var(--max));
  }

  .ipc-page .feature-grid,
  .ipc-page .dev-grid,
  .ipc-page .scenario-grid {
    grid-template-columns: 1fr;
  }

  .ipc-page .feature-grid li {
    grid-template-columns: 74px 1fr;
    padding: 20px;
  }

  .ipc-page .feature-grid img {
    width: 64px;
    height: 64px;
  }

  .ipc-page .dev-icons {
    gap: 10px;
  }

  .ipc-page .spec-table {
    min-width: 860px;
    font-size: 15px;
  }

  .ipc-page .spec-table th,
  .ipc-page .spec-table td {
    padding: 13px 14px;
  }

  .ipc-page .carousel__nav {
    display: none;
  }

  .ipc-page .contact-list {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ipc-page.js-reveal-ready .feature-grid,
  .ipc-page.js-reveal-ready .dev-grid,
  .ipc-page.js-reveal-ready .scenario-grid,
  .ipc-page.js-reveal-ready .wide-visual,
  .ipc-page.js-reveal-ready .contact-list,
  .ipc-page.js-reveal-ready .feature-grid li,
  .ipc-page.js-reveal-ready .dev-grid li,
  .ipc-page.js-reveal-ready .scenario-grid li,
  .ipc-page.js-reveal-ready .contact-list > * {
    opacity: 1;
    transform: none;
  }

  .ipc-page *,
  .ipc-page *::before,
  .ipc-page *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}

/* Project hero overrides: keep first screen under the site header (desktop only). */
.ipc-page {
  --ipc-nav-h: 1rem;
  font-family: var(--font);
  color: var(--text);
  background: var(--dark);
  line-height: 1.55;
}

@media (min-width: 769px) {
  .ipc-page .ipc-hero {
    height: calc(100vh - var(--ipc-nav-h));
    min-height: 560px;
  }
}

@media (min-width: 769px) and (max-width: 980px) {
  .ipc-page .ipc-hero {
    height: auto;
    min-height: 0;
  }
}

.ipc-page .ipc-hero__content {
  padding-top: clamp(28px, 3.2vw, 56px);
}

.ipc-page .ipc-hero__content h1{
    font-family: 'SourceHanSansCN-Bold';
}

.ipc-page .ipc-hero h1,
.ipc-page .ipc-hero__content h1 {
  font-size: clamp(42px, 4.27vw, 82px);
  font-weight: normal;
  letter-spacing: 0.06em;
  text-shadow: none;
  /*
   * 设计稿阴影 0 11px 9px @ 标题约 82px（3840 画板折算 1x）
   * 用 em 随字号等比缩放：11/82≈0.134em，9/82≈0.11em
   * 渐变字不能用 box-shadow，用 filter:drop-shadow
   */
  filter:
    drop-shadow(0 0.134em 0.11em rgba(31, 105, 156, 0.72))
    drop-shadow(0 0 0.18em rgba(117, 223, 255, 0.28));
}

.ipc-page .ipc-hero p,
.ipc-page .ipc-hero__content p {
  font-size: clamp(26px, 3.1vw, 58px);
  font-weight: normal;
  letter-spacing: 0.04em;
}

.ipc-page .ipc-hero__products {
  width: min(91.667vw, 1760px, calc((100vh - var(--ipc-nav-h)) * 1.86));
  bottom: clamp(-150px, calc(-7.8125vw - var(--ipc-nav-h) * 0.35), calc(-70px - var(--ipc-nav-h) * 0.2));
}

@media (max-width: 980px) {
  .ipc-page .ipc-hero__products {
    width: min(91.667vw, 1120px, calc((100vh - var(--ipc-nav-h)) * 1.86));
    bottom: -82px;
  }
}