/* 全站品牌变量；宽屏叙事与清晰留白参考腾讯企业官网，保留桢曜蓝青色。 */
:root {
  --navy: #09234b;
  --ink: #172d49;
  --muted: #58687b;
  --cyan: #00a8c8;
  --line: #dce3eb;
  --pale: #f2f6fa;
  --white: #fff;
  --max: 1240px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  -webkit-font-smoothing: antialiased;
  font-size: 15px;
  line-height: 1.8;
}
a {
  color: inherit;
  text-decoration: none;
}
button,
input,
select,
textarea {
  font: inherit;
}
button,
a,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}
button {
  cursor: pointer;
}
button:disabled {
  cursor: default;
}
button {
  color: inherit;
}
img {
  max-width: 100%;
  display: block;
}
svg {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}
h1,
h2,
h3,
p {
  margin: 0;
}
h1,
h2,
h3 {
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.025em;
  text-wrap: balance;
}
p {
  color: var(--muted);
}
h2 {
  font-size: 38px;
}
h3 {
  font-size: 22px;
}
button {
  border: 0;
  background: none;
}
a,
button,
input,
select,
textarea {
  outline-offset: 5px;
}
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--cyan);
}
[hidden] {
  display: none !important;
}
::selection {
  background: #b7eaf3;
  color: var(--navy);
}
.container {
  max-width: var(--max);
  width: calc(100% - 112px);
  margin-inline: auto;
}
.section {
  padding: 100px 0;
}
.light-section {
  background: var(--pale);
}
.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 60px;
  margin-bottom: 48px;
}
.section-heading h2 span {
  color: var(--cyan);
}
.section-heading > div:last-child:not(:first-child) {
  max-width: 460px;
}
.section-heading p {
  font-size: 16px;
  line-height: 1.95;
  max-width: 520px;
}
.section-heading p + .text-link {
  margin-top: 20px;
}
.section-heading.compact {
  align-items: end;
}
.section-heading.compact h2 + p {
  margin-top: 18px;
}
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 20px;
  font-weight: 500;
  font-size: 15px;
  white-space: nowrap;
}
.text-link svg {
  width: 21px;
  transition: transform 0.25s var(--ease);
}
.text-link:hover {
  color: #00829b;
}
.text-link:hover svg {
  transform: translateX(5px);
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
  min-height: 52px;
  padding: 13px 25px;
  font-weight: 500;
  font-size: 15px;
  line-height: 1.4;
  transition:
    background 0.25s,
    color 0.25s,
    transform 0.25s;
  white-space: nowrap;
}
.button svg {
  width: 21px;
  height: 21px;
  transition: transform 0.25s;
}
.button:hover svg {
  transform: translateX(4px);
}
.button-white {
  color: var(--navy);
  background: #fff;
}
.button-white:hover {
  background: #d9f7fc;
}
.button-navy {
  background: var(--navy);
  color: white;
}
.button-navy:hover {
  background: #174479;
}
.button-outline {
  border: 1px solid #97a7b9;
  background: transparent;
  color: var(--navy);
}
.button-outline:hover {
  border-color: var(--navy);
  background: #edf5fa;
}
.skip-link {
  position: fixed;
  top: -100px;
  left: 16px;
  z-index: 100;
  background: #fff;
  padding: 10px;
}
.skip-link:focus {
  top: 8px;
}
/* 导航保持白底，手机菜单沿用相同层级。 */
.site-header {
  height: 84px;
  position: sticky;
  top: 0;
  z-index: 30;
  background: #fff;
  border-bottom: 1px solid rgba(9, 35, 75, 0.07);
}
.header-inner {
  width: calc(100% - 80px);
  max-width: 1440px;
  height: 100%;
  margin: auto;
  display: flex;
  align-items: center;
  gap: 36px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.brand img {
  width: 43px;
  height: 43px;
  object-fit: contain;
}
.brand > span {
  font-size: 23px;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.3;
  color: var(--navy);
}
.brand small {
  display: block;
  font-size: 8px;
  letter-spacing: 0.13em;
  font-weight: 600;
  margin-top: 5px;
}
.main-nav {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 34px;
  height: 100%;
  margin-left: auto;
}
.main-nav > a {
  position: relative;
  display: flex;
  align-items: center;
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
}
.main-nav > a:after {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--cyan);
  content: "";
  transform: scaleX(0);
  transition: transform 0.25s;
}
.main-nav > a:hover:after,
.main-nav > a[aria-current]:after {
  transform: scaleX(1);
}
.main-nav > a:hover,
.main-nav > a[aria-current] {
  color: #008ca7;
}
.header-contact {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-left: 16px;
  padding: 8px 16px;
  border: 1px solid var(--line);
  font-size: 13px;
  white-space: nowrap;
}
.header-contact:hover {
  border-color: var(--cyan);
  color: #008ca7;
}
.header-contact svg {
  width: 17px;
}
.menu-toggle,
.main-nav .mobile-contact {
  display: none;
}
/* 首页：品牌画面只做一次缓慢展开；减少动态效果偏好下完全静止。 */
.home-hero {
  height: min(760px, calc(100svh - 84px));
  min-height: 610px;
  position: relative;
  overflow: hidden;
  color: #fff;
  background: var(--navy);
}
.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 55%;
  animation: hero-settle 1.8s var(--ease) both;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(3, 22, 52, 0.55),
    rgba(4, 27, 61, 0.18) 50%,
    transparent 78%
  );
}
.hero-content {
  position: relative;
  padding-top: clamp(90px, 11vh, 150px);
  padding-bottom: 140px;
}
.hero-content h1 {
  font-size: clamp(44px, 4.4vw, 66px);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: 0.015em;
}
.hero-content h1 span {
  display: inline-block;
}
.hero-content p {
  color: #e6eef9;
  font-size: 17px;
  line-height: 1.9;
  margin: 26px 0 34px;
  letter-spacing: 0.03em;
}
.hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  margin-left: 30px;
  font-size: 14px;
}
.hero-secondary svg {
  width: 18px;
}
.hero-bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(3, 24, 53, 0.7);
  border-top: 1px solid rgba(255, 255, 255, 0.23);
}
.hero-bottom > .container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}
.hero-bottom a {
  position: relative;
  padding: 25px 36px 26px 0;
}
.hero-bottom a + a {
  border-left: 1px solid rgba(255, 255, 255, 0.21);
  padding-left: 36px;
}
.hero-bottom a > span {
  display: block;
  font-size: 18px;
  font-weight: 500;
}
.hero-bottom small {
  display: block;
  font-size: 12px;
  color: #d4e5f7;
  letter-spacing: 0.03em;
  margin-top: 4px;
}
.hero-bottom svg {
  position: absolute;
  right: 30px;
  top: 42px;
  width: 20px;
  transition: transform 0.25s;
}
.hero-bottom a:hover svg {
  transform: translateX(6px);
}
.business-section .section-heading {
  margin-bottom: 52px;
}
.service-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.service-card {
  display: flex;
  flex-direction: column;
  min-height: 300px;
  padding: 30px 25px 24px;
  background: #f1f5fa;
  transition:
    transform 0.3s var(--ease),
    background 0.3s;
}
.service-card:hover {
  transform: translateY(-6px);
  background: #e5eef8;
}
.service-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 29px;
  display: flex;
  align-items: center;
}
.service-icon svg {
  width: 36px;
  height: 36px;
  stroke-width: 1.3;
}
.service-card h3 {
  font-size: 21px;
  white-space: nowrap;
}
.service-card p {
  font-size: 14px;
  line-height: 1.9;
  margin: 13px 0 30px;
  max-width: 240px;
}
.service-card-bottom {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.service-card-bottom > span {
  font-size: 11px;
  color: #586b7e;
  white-space: nowrap;
}
.service-card-bottom > svg {
  width: 19px;
}
.service-0 {
  background: var(--navy);
  color: #fff;
}
.service-0:hover {
  background: #123c6e;
}
.service-0 p,
.service-0 .service-card-bottom > span {
  color: #c7d9ee;
}
.service-0 .service-icon {
  color: #74dcf0;
}
.service-1 {
  background: #eaf5f8;
}
.service-2 {
  background: #f0f3f7;
}
.service-3 {
  background: #edf4f8;
}
.product-section {
  background: #f1f5f9;
}
.product-tabs {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  border-bottom: 1px solid #cfd9e4;
  margin: 45px 0 46px;
}
.product-tabs button {
  text-align: left;
  padding: 6px 20px 21px;
  position: relative;
  border-bottom: 3px solid transparent;
  margin-bottom: -1px;
  transition:
    color 0.2s,
    border-color 0.2s;
}
.product-tabs button:first-child {
  padding-left: 0;
}
.product-tabs strong {
  font-size: 23px;
  font-weight: 500;
  display: block;
}
.product-tabs button > span {
  font-size: 13px;
  display: block;
  color: var(--muted);
  margin-top: 7px;
}
.product-tabs button[aria-selected="true"] {
  color: #00829b;
  border-color: var(--cyan);
}
.product-tabs button:hover {
  color: #00829b;
}
.product-panel {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 60px;
  align-items: center;
  min-height: 395px;
}
.product-copy .product-title {
  font-size: 13px;
  color: #526a82;
  letter-spacing: 0.02em;
  margin-bottom: 15px;
}
.product-copy h3 {
  font-size: 32px;
  line-height: 1.5;
  margin-bottom: 20px;
  font-weight: 500;
}
.product-copy > p:not(.product-title) {
  font-size: 14px;
  line-height: 1.95;
  max-width: 440px;
}
.tag-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 24px 0 30px;
}
.tag-list > span {
  font-size: 12px;
  padding: 3px 11px;
  border: 1px solid #cfd9e3;
  color: #48637d;
  background: rgba(255, 255, 255, 0.4);
}
.product-diagram {
  background: #e2edf7;
  border: 1px solid #d0dfed;
  min-width: 0;
  overflow: hidden;
  position: relative;
  color: var(--navy);
  padding: 20px 24px 16px;
}
.diagram-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  font-size: 12px;
}
.diagram-label {
  font-size: 10px;
  white-space: nowrap;
  color: #526d87;
  border: 1px solid #aac2d6;
  padding: 1px 7px;
}
.diagram-main {
  height: 215px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  isolation: isolate;
}
.diagram-ring {
  position: absolute;
  width: 230px;
  height: 230px;
  border: 1px solid #b0c8dd;
  border-radius: 50%;
  transform: rotateX(58deg) rotate(-25deg);
  z-index: -1;
}
.diagram-ring:before,
.diagram-ring:after {
  content: "";
  position: absolute;
  inset: -28px;
  border-radius: 50%;
  border: 1px solid #c3d7e7;
}
.diagram-ring:after {
  inset: -56px;
  border-color: #cddfea;
}
.diagram-core {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 145px;
  height: 145px;
  border: 1px solid #cadcec;
  background: #f9fcff;
  box-shadow: 0 18px 35px -20px #456e97;
  border-radius: 18px;
  transform: rotate(-5deg);
}
.diagram-core svg {
  width: 36px;
  height: 36px;
  color: #0087ab;
  margin-bottom: 7px;
  stroke-width: 1.3;
}
.diagram-core strong {
  font-size: 24px;
  font-weight: 500;
}
.diagram-core > span {
  font-size: 8px;
  color: #526d87;
  margin-top: 4px;
}
.diagram-flow {
  display: flex;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
  position: relative;
}
.diagram-flow > div {
  background: rgba(255, 255, 255, 0.8);
  flex: 1;
  padding: 11px 8px;
  border: 1px solid #cadae8;
  text-align: center;
}
.diagram-flow > div > span {
  display: block;
  font-size: 10px;
  color: #587892;
}
.diagram-flow strong {
  font-size: 11px;
  font-weight: 500;
  white-space: nowrap;
}
.diagram-flow > svg {
  width: 16px;
  color: #5c809d;
}
.diagram-bottom {
  display: flex;
  align-items: center;
  gap: 7px;
  border-top: 1px solid #c9dce9;
  margin-top: 21px;
  padding-top: 12px;
  font-size: 10px;
  color: #526d87;
}
.status-dot {
  width: 5px;
  height: 5px;
  background: #009fba;
  border-radius: 50%;
}
.product-diagram.teal {
  background: #e1f1f2;
  border-color: #c4e0e3;
}
.teal .diagram-ring {
  border-color: #a7cfd2;
}
.teal .diagram-ring:before,
.teal .diagram-ring:after {
  border-color: #c0dfe1;
}
.home-cases {
  display: grid;
  grid-template-columns: 1.35fr 1fr 1fr;
  gap: 26px;
}
.case-card {
  min-width: 0;
}
.case-card a {
  display: block;
}
.case-visual {
  height: 240px;
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: #dae8ec;
}
.case-visual > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.case-card a:hover .case-visual > img {
  transform: scale(1.04);
}
.case-visual.tourism:after {
  content: "";
  position: absolute;
  inset: 35% 0 0;
  background: linear-gradient(transparent, rgba(7, 27, 39, 0.85));
  z-index: 0;
}
.visual-note {
  position: absolute;
  right: 12px;
  top: 12px;
  background: rgba(255, 255, 255, 0.92);
  color: #405363;
  padding: 2px 7px;
  font-size: 9px;
  z-index: 2;
}
.poster-copy {
  position: absolute;
  left: 22px;
  right: 22px;
  bottom: 24px;
  z-index: 1;
}
.poster-copy > span {
  font-size: 11px;
  display: block;
  margin-bottom: 8px;
}
.poster-copy > strong {
  font-size: 24px;
  line-height: 1.4;
  display: block;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.tourism .poster-copy {
  color: #fff;
}
.youth {
  background: #e3ecf4;
}
.youth .poster-copy {
  color: #1a416b;
}
.book-art {
  position: absolute;
  top: 24px;
  left: 50%;
  transform: translateX(-50%) rotate(-12deg);
  display: flex;
  width: 180px;
  height: 145px;
  filter: drop-shadow(7px 14px 10px rgba(21, 52, 78, 0.15));
}
.book-left,
.book-right {
  width: 50%;
  padding: 15px 12px;
  background: #f9fbfd;
  border-radius: 3px;
  position: relative;
}
.book-left {
  transform: skewY(9deg);
  font-size: 35px;
  font-weight: 700;
  color: #0d6fa7;
  border-right: 1px solid #d6e2eb;
  line-height: 1.2;
}
.book-left i {
  font-size: 8px;
  line-height: 1.8;
  font-style: normal;
  font-weight: 400;
  display: block;
  margin-top: 10px;
}
.book-right {
  transform: skewY(-9deg);
  padding-top: 24px;
}
.book-right span {
  display: block;
  background: #a5d4e5;
  height: 23px;
  margin-bottom: 10px;
}
.book-right span + span {
  height: 32px;
  background: #cedee9;
}
.book-right b {
  font-size: 7px;
  font-weight: 500;
  display: block;
}
.youth .poster-copy > strong {
  font-size: 22px;
}
.cangzhou {
  background: #0b4550;
  color: #f2e8cb;
}
.spring {
  background: #d5e7db;
  color: #163c39;
}
.poster-landscape {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.poster-landscape > i {
  position: absolute;
  width: 330px;
  height: 330px;
  border: 1px solid rgba(220, 237, 213, 0.32);
  border-radius: 50%;
  top: 20px;
  right: -160px;
}
.poster-landscape > i:nth-child(2) {
  width: 250px;
  height: 250px;
  right: -120px;
  top: 60px;
}
.poster-landscape > i:nth-child(3) {
  width: 170px;
  height: 170px;
  right: -80px;
  top: 100px;
  background: rgba(224, 205, 142, 0.12);
}
.cangzhou .poster-copy > strong {
  font-size: 34px;
  max-width: none;
  font-weight: 500;
}
.spring .poster-landscape > i {
  border-color: rgba(26, 95, 68, 0.25);
  background: rgba(53, 114, 74, 0.07);
}
.case-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  color: var(--muted);
  font-size: 11px;
  margin: 18px 0 8px;
}
.case-meta > span:first-child {
  color: #00829b;
}
.case-card h3 {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.65;
}
.case-card h3 svg {
  width: 20px;
  height: 24px;
  flex-shrink: 0;
  transition: transform 0.2s;
}
.case-card a:hover h3 svg {
  transform: translateX(4px);
}
.image-disclaimer {
  font-size: 11px;
  color: #657384;
  margin-top: 25px;
  line-height: 1.7;
}
.custom-section {
  padding: 70px 0;
  background: #edf4f9;
  overflow: hidden;
}
.custom-section > .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 100px;
  align-items: center;
}
.custom-art {
  height: 365px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  isolation: isolate;
}
.custom-word {
  font-size: 155px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.07em;
  color: #164775;
  transform: skewY(-7deg);
  z-index: 1;
}
.custom-art > span {
  position: absolute;
  bottom: 22px;
  right: 28px;
  font-size: 10px;
  letter-spacing: 0.15em;
  line-height: 1.7;
  color: #5e7d99;
}
.custom-line {
  position: absolute;
  top: 80px;
  left: 20px;
  width: 380px;
  height: 190px;
  border: 1px solid #7aa0bd;
  transform: rotate(-27deg) skewX(22deg);
}
.custom-line:nth-child(2) {
  transform: translateY(25px) rotate(-27deg) skewX(22deg);
  border-color: #aec8db;
}
.custom-line:nth-child(3) {
  transform: translateY(50px) rotate(-27deg) skewX(22deg);
  border-color: #c5d7e4;
}
.custom-copy h2 {
  font-size: 38px;
}
.custom-copy p {
  margin: 24px 0 30px;
  font-size: 15px;
  line-height: 2;
}
.partner-section {
  padding-block: 90px;
}
.partner-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}
.partner-strip > span {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 92px;
  font-size: 20px;
  font-weight: 600;
  color: #43586e;
  border-bottom: 1px solid var(--line);
  letter-spacing: 0.02em;
}
.partner-strip > span:not(:nth-child(3n)) {
  border-right: 1px solid var(--line);
}
.contact-banner {
  background: var(--navy);
  color: #fff;
  padding: 64px 0;
  position: relative;
  overflow: hidden;
}
.contact-banner > .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
}
.contact-banner h2 {
  font-size: 32px;
  font-weight: 500;
}
.contact-banner p {
  color: #c2d4e9;
  margin-top: 12px;
  font-size: 14px;
}
.contact-banner .button {
  flex-shrink: 0;
}
.site-footer {
  background: #f5f7f9;
}
.footer-main {
  display: grid;
  grid-template-columns: 1.65fr 1.2fr 1.2fr 0.8fr;
  gap: 50px;
  padding-block: 62px 52px;
}
.footer-brand .brand > span {
  font-size: 21px;
}
.footer-brand p {
  font-size: 13px;
  line-height: 2;
  margin-top: 25px;
}
.footer-main h3 {
  font-size: 14px;
  margin-bottom: 20px;
  font-weight: 600;
  letter-spacing: 0;
}
.footer-main > div > a:not(.brand) {
  display: block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 10px;
}
.footer-main > div > a:not(.brand):hover {
  color: #00829b;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding-block: 20px;
  border-top: 1px solid var(--line);
  font-size: 10px;
  color: #637387;
}
.back-top {
  position: fixed;
  right: 24px;
  bottom: 24px;
  width: 42px;
  height: 42px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 3px 18px #0b2c4b12;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  z-index: 20;
  transition: opacity 0.2s;
}
.back-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.back-top svg {
  transform: rotate(-90deg);
  width: 18px;
}
/* 内页共享结构：产品、服务、案例、公司与联系。 */
.page-hero {
  position: relative;
  padding: 30px 0 70px;
  background: #edf3f8;
  overflow: hidden;
  isolation: isolate;
  min-height: 350px;
}
.page-hero > .container {
  position: relative;
  z-index: 2;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 13px;
  color: #61758b;
  font-size: 11px;
  margin-bottom: 40px;
  line-height: 1.7;
}
.breadcrumb a:hover {
  color: #00829b;
}
.page-hero h1 {
  font-size: 48px;
  line-height: 1.4;
  font-weight: 500;
  max-width: 850px;
}
.page-hero > .container > p {
  margin-top: 22px;
  max-width: 640px;
  font-size: 15px;
  line-height: 1.9;
}
.page-hero .button {
  margin-top: 30px;
}
.hero-arc {
  position: absolute;
  width: 620px;
  height: 620px;
  border: 1px solid #c6dbe9;
  border-radius: 50%;
  right: -200px;
  top: -145px;
  z-index: 0;
}
.hero-arc:before,
.hero-arc:after {
  content: "";
  position: absolute;
  inset: 75px;
  border-radius: 50%;
  border: 1px solid #d2e3ed;
}
.hero-arc:after {
  inset: 145px;
}
.page-hero-image {
  background: var(--navy) url("/assets/hero.webp") center 46% / cover;
  min-height: 440px;
  color: #fff;
}
.page-hero-image .breadcrumb,
.page-hero-image > .container > p {
  color: #d9e8f6;
}
.page-hero-shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #061b3bcc, transparent);
}
.product-list-item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 75px;
  align-items: center;
  padding-block: 60px;
  border-bottom: 1px solid var(--line);
}
.product-list-item:first-child {
  padding-top: 0;
}
.product-list-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}
.product-name {
  display: block;
  color: #00829b;
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 10px;
}
.product-list-copy h2 {
  font-size: 27px;
}
.product-list-copy > p {
  margin-top: 20px;
  font-size: 14px;
}
.product-list-copy .audience {
  font-size: 12px;
}
.detail-intro {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 80px;
  align-items: center;
}
.detail-intro > div:first-child h2 {
  font-size: 54px;
  font-weight: 500;
  margin-bottom: 10px;
}
.detail-intro > div:first-child h3 {
  font-size: 23px;
  margin-bottom: 35px;
}
.detail-intro > div:first-child > p {
  font-size: 12px;
  margin-bottom: 5px;
}
.detail-intro > div:first-child > strong {
  font-size: 15px;
  font-weight: 400;
}
.feature-columns {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  margin-top: 60px;
}
.feature-columns > article {
  border-top: 1px solid #c9d8e5;
  padding-top: 25px;
}
.feature-columns svg {
  width: 28px;
  height: 28px;
  color: #0086a4;
  margin-bottom: 20px;
}
.feature-columns h3 {
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 15px;
}
.feature-columns p {
  font-size: 14px;
  line-height: 2;
}
.product-note {
  padding: 18px 22px;
  background: var(--pale);
  font-size: 12px;
  margin-top: 35px;
}
.steps-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 50px;
  margin: 40px 0;
}
.steps-list span {
  font-size: 40px;
  line-height: 1;
  color: #739bb8;
  font-weight: 300;
  display: block;
  margin-bottom: 22px;
}
.steps-list h3 {
  font-size: 21px;
  margin-bottom: 14px;
  font-weight: 500;
}
.steps-list p {
  font-size: 14px;
  line-height: 1.9;
}
.related-products {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}
.related-products a {
  display: grid;
  grid-template-columns: 1fr auto;
  background: var(--pale);
  padding: 26px;
}
.related-products a > svg:first-child {
  color: #0089a7;
  margin-bottom: 25px;
  grid-column: span 2;
}
.related-products strong {
  font-size: 24px;
  font-weight: 500;
}
.related-products span {
  font-size: 12px;
  grid-column: 1;
  grid-row: 3;
  color: var(--muted);
  margin-top: 6px;
}
.related-products a > svg:last-child {
  grid-column: 2;
  grid-row: 2;
  align-self: center;
  width: 20px;
}
.related-products a:hover {
  background: #e3eef5;
}
.section-nav {
  position: sticky;
  top: 84px;
  background: rgba(255, 255, 255, 0.97);
  z-index: 15;
  border-bottom: 1px solid var(--line);
}
.section-nav > .container {
  display: flex;
  gap: 55px;
}
.section-nav a {
  padding: 17px 0;
  font-size: 14px;
}
.section-nav a:hover {
  color: #00829b;
}
.service-detail {
  scroll-margin-top: 60px;
}
.service-detail .section-heading h2 {
  font-size: 32px;
}
.service-detail .section-heading h3 {
  font-size: 19px;
  font-weight: 400;
  margin-top: 18px;
}
.service-detail .section-heading > p {
  max-width: 470px;
  font-size: 14px;
}
.custom-services {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  margin-bottom: 50px;
}
.custom-services > article {
  border-top: 1px solid var(--line);
  padding-top: 30px;
}
.custom-services svg {
  color: #0088a4;
  width: 32px;
  height: 32px;
  margin-bottom: 18px;
}
.custom-services h3 {
  font-size: 24px;
  margin-bottom: 18px;
}
.custom-services p {
  font-size: 15px;
  line-height: 2;
  max-width: 520px;
}
.featured-project {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--navy);
  color: #fff;
}
.featured-project > div:first-child {
  padding: 45px;
}
.featured-project > div:first-child > span:first-child {
  font-size: 12px;
  color: #c3dfed;
}
.featured-project h3 {
  font-size: 28px;
  font-weight: 500;
  margin-block: 15px 20px;
}
.featured-project p {
  font-size: 14px;
  color: #c7d8ea;
  margin-bottom: 25px;
}
.featured-project > .case-visual {
  height: 100%;
  min-height: 340px;
}
.featured-project .book-art {
  width: 240px;
  height: 190px;
  top: 50px;
}
.featured-project .book-left {
  font-size: 50px;
}
.featured-project .poster-copy {
  bottom: 35px;
  left: 40px;
}
.creative-image {
  height: 400px;
  position: relative;
  overflow: hidden;
}
.creative-image > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 60%;
}
.creative-image:after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(90deg, #08232c8c, transparent 80%);
}
.creative-image > span {
  position: absolute;
  right: 18px;
  bottom: 14px;
  color: #fff;
  background: #142d39d9;
  padding: 2px 8px;
  font-size: 10px;
  z-index: 2;
}
.creative-image > strong {
  position: absolute;
  top: 55px;
  left: 50px;
  font-size: 40px;
  font-weight: 500;
  line-height: 1.5;
  color: #fff;
  z-index: 1;
}
.service-detail .feature-columns {
  margin-block: 35px 40px;
}
.training-evidence {
  background: var(--pale);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  padding: 30px;
  margin-bottom: 35px;
}
.training-evidence h3 {
  font-size: 17px;
  margin-bottom: 12px;
}
.training-evidence p {
  font-size: 13px;
  line-height: 2;
}
.filter-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 40px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 22px;
}
.filter-bar button {
  padding: 9px 20px;
  font-size: 14px;
}
.filter-bar button > span {
  font-size: 11px;
  margin-left: 7px;
  opacity: 0.75;
}
.filter-bar button.active {
  background: var(--navy);
  color: #fff;
}
.filter-bar button:hover:not(.active) {
  background: var(--pale);
}
.filter-bar > p {
  font-size: 12px;
  margin-left: auto;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 42px 26px;
}
.case-grid .case-visual {
  height: 260px;
}
.case-detail-layout {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 70px;
  align-items: center;
}
.case-detail-layout .case-visual {
  height: 410px;
}
.case-detail-copy h2 {
  font-size: 28px;
  margin-bottom: 20px;
}
.case-detail-copy p {
  font-size: 15px;
  line-height: 2;
}
.case-detail-copy h3 {
  font-size: 20px;
  margin: 28px 0 14px;
}
.case-detail-copy .button {
  margin-top: 20px;
}
.about-intro {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 80px;
}
.about-intro h2 {
  font-size: 38px;
}
.about-intro p {
  font-size: 15px;
  line-height: 2;
  margin-bottom: 20px;
}
.about-intro .lead {
  font-size: 22px;
  color: var(--navy);
  line-height: 1.8;
  margin-bottom: 25px;
}
.partner-groups > div {
  display: grid;
  grid-template-columns: 200px 1fr;
  padding-block: 30px;
  border-top: 1px solid var(--line);
  gap: 40px;
}
.partner-groups h3 {
  font-size: 18px;
  font-weight: 500;
}
.partner-groups ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px 25px;
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}
.media-section {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 50px;
  flex-wrap: wrap;
}
.media-section h2 {
  font-size: 32px;
  margin-bottom: 12px;
}
.media-section > div > p {
  font-size: 14px;
}
.media-names {
  display: flex;
  gap: 80px;
}
.media-names > span {
  font-size: 35px;
  font-weight: 600;
  line-height: 1.3;
}
.media-names small {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  margin-top: 6px;
  text-align: center;
  font-weight: 400;
}
.media-section .image-disclaimer {
  flex-basis: 100%;
  margin: 0;
}
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 90px;
  align-items: start;
}
.contact-intro h2 {
  font-size: 34px;
  margin-bottom: 22px;
}
.contact-intro > p {
  font-size: 15px;
  line-height: 2;
}
.contact-company {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}
.contact-company h3 {
  font-size: 17px;
  font-weight: 500;
  margin-bottom: 14px;
}
.contact-company p,
.contact-company a {
  font-size: 13px;
  line-height: 2;
  display: block;
}
.contact-points {
  margin-top: 32px;
}
.contact-points p {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  margin-top: 10px;
}
.contact-points svg {
  width: 17px;
  color: #008ca6;
}
.brief-form {
  background: var(--pale);
  padding: 38px;
}
.brief-form h2 {
  font-size: 25px;
  margin-bottom: 15px;
}
.form-hint {
  font-size: 12px;
  line-height: 1.9;
  margin-bottom: 28px;
}
.brief-form label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 22px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}
.brief-form input,
.brief-form select,
.brief-form textarea {
  display: block;
  width: 100%;
  min-width: 0;
  background: #fff;
  border: 1px solid #cad6e1;
  border-radius: 0;
  color: var(--navy);
  padding: 12px 13px;
  line-height: 1.5;
  font-size: 13px;
  margin-top: 8px;
}
.brief-form textarea {
  resize: vertical;
  min-height: 125px;
}
.brief-form input::placeholder,
.brief-form textarea::placeholder {
  color: #64768b;
}
.brief-result {
  padding-top: 25px;
  margin-top: 28px;
  border-top: 1px solid var(--line);
}
.brief-result h3 {
  font-size: 18px;
}
.brief-result textarea {
  font-size: 12px;
  line-height: 1.9;
  margin-block: 15px;
  min-height: 215px;
}
.brief-result .button {
  font-size: 13px;
  gap: 12px;
}
.brief-result p {
  font-size: 12px;
  margin-top: 12px;
}
.not-found {
  min-height: 60vh;
}
.not-found > span {
  font-size: 80px;
  color: #9ab5ca;
  font-weight: 300;
}
.not-found h1 {
  font-size: 36px;
  margin: 10px 0 20px;
}
.not-found p {
  margin-bottom: 35px;
}
@keyframes hero-settle {
  from {
    transform: scale(1.045);
    filter: saturate(0.8);
  }
  to {
    transform: scale(1);
    filter: saturate(1);
  }
}
@media (min-width: 1600px) {
  .hero-content {
    padding-top: 140px;
  }
  .home-hero {
    height: 790px;
  }
  .hero-image {
    object-position: center 50%;
  }
}
@media (max-width: 1180px) {
  .header-inner {
    width: calc(100% - 48px);
    gap: 24px;
  }
  .main-nav {
    gap: 23px;
  }
  .header-contact {
    margin-left: 0;
  }
  .brand > span {
    font-size: 21px;
  }
  .container {
    width: calc(100% - 80px);
  }
  .service-grid {
    gap: 12px;
  }
  .service-card {
    padding: 25px 19px;
  }
  .service-card h3 {
    font-size: 18px;
  }
  .service-card-bottom > span {
    font-size: 9px;
  }
  .service-card-bottom > svg {
    width: 16px;
  }
  .product-panel {
    gap: 40px;
  }
  .hero-bottom a > span {
    font-size: 16px;
  }
  .footer-main {
    gap: 30px;
  }
  .section-heading {
    gap: 40px;
  }
  .home-cases {
    gap: 20px;
  }
  .poster-copy > strong {
    font-size: 21px;
  }
  .custom-section > .container {
    gap: 60px;
  }
  .custom-line {
    left: 0;
    width: 320px;
  }
  .case-detail-layout {
    gap: 40px;
  }
  .contact-layout {
    gap: 50px;
  }
  .partner-groups > div {
    grid-template-columns: 170px 1fr;
  }
  .partner-groups ul {
    font-size: 12px;
  }
  .product-list-item {
    gap: 50px;
  }
  .feature-columns {
    gap: 35px;
  }
}
@media (max-width: 960px) {
  .site-header {
    height: 74px;
  }
  .header-inner {
    gap: 20px;
  }
  .main-nav {
    gap: 18px;
  }
  .main-nav > a {
    font-size: 12px;
  }
  .header-contact {
    font-size: 12px;
    padding: 7px 12px;
    gap: 10px;
  }
  .brand {
    gap: 9px;
  }
  .brand > span {
    font-size: 19px;
  }
  .brand small {
    font-size: 6px;
  }
  .brand img {
    width: 37px;
    height: 37px;
  }
  .container {
    width: calc(100% - 64px);
  }
  .section {
    padding-block: 75px;
  }
  h2 {
    font-size: 32px;
  }
  .home-hero {
    min-height: 580px;
    height: 640px;
  }
  .hero-content {
    padding-top: 110px;
  }
  .hero-content h1 {
    font-size: 48px;
  }
  .hero-content p {
    font-size: 15px;
  }
  .hero-bottom a {
    padding: 20px 20px 23px 0;
  }
  .hero-bottom a + a {
    padding-left: 22px;
  }
  .hero-bottom a > span {
    font-size: 14px;
  }
  .hero-bottom small {
    font-size: 11px;
  }
  .hero-bottom svg {
    right: 12px;
    top: 37px;
    width: 16px;
  }
  .service-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
  .service-card {
    min-height: 260px;
    padding: 28px;
  }
  .service-card h3 {
    font-size: 23px;
  }
  .service-card p {
    max-width: 100%;
    margin-bottom: 24px;
  }
  .service-icon {
    margin-bottom: 18px;
  }
  .service-card-bottom > span {
    font-size: 11px;
  }
  .product-panel {
    gap: 30px;
    grid-template-columns: 0.9fr 1.1fr;
  }
  .product-copy h3 {
    font-size: 26px;
  }
  .product-diagram {
    padding: 17px;
  }
  .diagram-flow {
    gap: 6px;
  }
  .diagram-flow strong {
    font-size: 9px;
  }
  .diagram-flow > svg {
    width: 12px;
  }
  .diagram-top {
    font-size: 10px;
    gap: 8px;
  }
  .diagram-label {
    font-size: 9px;
  }
  .diagram-main {
    height: 190px;
  }
  .diagram-core {
    width: 125px;
    height: 125px;
  }
  .diagram-ring {
    width: 180px;
    height: 180px;
  }
  .diagram-bottom {
    font-size: 8px;
  }
  .home-cases {
    grid-template-columns: 1fr 1fr;
  }
  .home-cases > .case-card:first-child {
    grid-column: span 2;
  }
  .home-cases > .case-card:first-child .case-visual {
    height: 340px;
  }
  .home-cases > .case-card:first-child .poster-copy > strong {
    font-size: 30px;
  }
  .custom-section > .container {
    gap: 40px;
  }
  .custom-copy h2 {
    font-size: 31px;
  }
  .custom-art {
    height: 320px;
  }
  .custom-word {
    font-size: 125px;
  }
  .custom-line {
    width: 275px;
    height: 160px;
  }
  .custom-copy p {
    font-size: 13px;
  }
  .partner-strip > span {
    font-size: 17px;
  }
  .contact-banner h2 {
    font-size: 27px;
  }
  .footer-main {
    grid-template-columns: 1.3fr 1.2fr 1.2fr;
    gap: 36px;
  }
  .footer-main > div:last-child {
    grid-column: 2;
  }
  .page-hero h1 {
    font-size: 42px;
  }
  .page-hero {
    min-height: 325px;
  }
  .section-nav {
    top: 74px;
  }
  .product-list-copy h2 {
    font-size: 23px;
  }
  .product-list-item {
    gap: 32px;
  }
  .detail-intro {
    gap: 40px;
    grid-template-columns: 0.9fr 1.1fr;
  }
  .detail-intro > div:first-child h3 {
    font-size: 21px;
  }
  .feature-columns {
    gap: 28px;
  }
  .feature-columns h3 {
    font-size: 20px;
  }
  .related-products {
    gap: 15px;
  }
  .related-products a {
    padding: 22px 18px;
  }
  .service-detail .section-heading {
    align-items: start;
  }
  .service-detail .section-heading h2 {
    font-size: 27px;
  }
  .service-detail .section-heading > p {
    max-width: 360px;
  }
  .case-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .related-cases > .case-card:last-child {
    display: none;
  }
  .case-detail-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .case-detail-layout .case-visual {
    height: 470px;
  }
  .case-detail-copy {
    max-width: 650px;
  }
  .about-intro {
    gap: 40px;
    grid-template-columns: 0.8fr 1.2fr;
  }
  .about-intro .lead {
    font-size: 19px;
  }
  .partner-groups > div {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .contact-layout {
    gap: 40px;
    grid-template-columns: 1fr 1.15fr;
  }
  .brief-form {
    padding: 27px;
  }
  .contact-intro h2 {
    font-size: 29px;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .featured-project > div:first-child {
    padding: 35px;
  }
  .featured-project h3 {
    font-size: 25px;
  }
}
@media (max-width: 760px) {
  html {
    scroll-padding-top: 88px;
  }
  .container {
    width: calc(100% - 40px);
  }
  .site-header {
    height: 68px;
  }
  .header-inner {
    width: calc(100% - 36px);
    gap: 16px;
    justify-content: space-between;
  }
  .brand img {
    width: 36px;
    height: 36px;
  }
  .brand > span {
    font-size: 20px;
  }
  .brand small {
    font-size: 6.5px;
    letter-spacing: 0.12em;
    margin-top: 4px;
  }
  .header-contact {
    margin-left: auto;
    font-size: 11px;
    border: 0;
    padding: 5px 0;
    gap: 5px;
  }
  .header-contact svg {
    width: 15px;
  }
  .menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 10px 0 10px 10px;
    width: 30px;
    height: 40px;
    justify-content: center;
  }
  .menu-toggle > span {
    width: 20px;
    height: 1px;
    background: var(--navy);
    transition: transform 0.2s;
  }
  .menu-toggle[aria-expanded="true"] > span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }
  .menu-toggle[aria-expanded="true"] > span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    height: auto;
    background: #fff;
    padding: 14px 24px 24px;
    box-shadow: 0 12px 20px #08254212;
    border-top: 1px solid var(--line);
    margin: 0;
  }
  .main-nav.open {
    display: flex;
    flex-direction: column;
    gap: 0;
  }
  .main-nav > a {
    padding: 13px 0;
    font-size: 15px;
    min-height: 46px;
  }
  .main-nav .mobile-contact {
    display: flex;
  }
  .main-nav > a:after {
    display: none;
  }
  .section {
    padding-block: 60px;
  }
  h2 {
    font-size: 29px;
    line-height: 1.5;
  }
  .section-heading,
  .section-heading.compact {
    display: block;
    margin-bottom: 32px;
  }
  .section-heading > div:last-child:not(:first-child) {
    max-width: none;
    margin-top: 22px;
  }
  .section-heading > p {
    margin-top: 20px;
    font-size: 14px;
  }
  .section-heading > .text-link {
    margin-top: 22px;
  }
  .section-heading p {
    font-size: 14px;
  }
  .section-heading.compact h2 + p {
    margin-top: 15px;
  }
  .home-hero {
    height: 650px;
    min-height: 0;
  }
  .hero-image {
    object-position: 64% center;
  }
  .hero-overlay {
    background: linear-gradient(
      90deg,
      rgba(3, 20, 44, 0.68),
      rgba(3, 25, 54, 0.17)
    );
  }
  .hero-content {
    padding-top: 77px;
    padding-bottom: 35px;
  }
  .hero-content h1 {
    font-size: 38px;
    line-height: 1.55;
    letter-spacing: 0;
    font-weight: 500;
  }
  .hero-content p {
    font-size: 13px;
    line-height: 2;
    margin: 24px 0 30px;
    color: #e4effa;
  }
  .hero-content .button {
    min-height: 47px;
    font-size: 13px;
    padding: 12px 17px;
    gap: 20px;
  }
  .hero-secondary {
    font-size: 12px;
    margin-left: 20px;
    gap: 10px;
  }
  .hero-secondary svg {
    width: 16px;
  }
  .hero-bottom > .container {
    grid-template-columns: 1fr;
  }
  .hero-bottom a {
    padding: 13px 5px;
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .hero-bottom a + a {
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    padding: 13px 5px;
  }
  .hero-bottom a > span {
    font-size: 13px;
    line-height: 1.7;
  }
  .hero-bottom small {
    font-size: 10px;
    line-height: 1.7;
    margin: 0;
    color: #bbd1e8;
  }
  .hero-bottom svg {
    right: 3px;
    top: 16px;
    width: 16px;
  }
  .business-section .section-heading {
    margin-bottom: 30px;
  }
  .service-grid {
    gap: 13px;
  }
  .service-card {
    padding: 23px 19px;
    min-height: 253px;
  }
  .service-card h3 {
    font-size: 18px;
    white-space: normal;
  }
  .service-icon {
    margin-bottom: 17px;
    height: 38px;
  }
  .service-icon svg {
    width: 29px;
    height: 29px;
  }
  .service-card p {
    font-size: 12px;
    margin: 12px 0 22px;
    line-height: 1.9;
  }
  .service-card-bottom > span {
    font-size: 9px;
    white-space: normal;
    max-width: 105px;
    line-height: 1.8;
  }
  .service-card-bottom > svg {
    width: 18px;
  }
  .product-tabs {
    overflow-x: auto;
    display: flex;
    margin: 26px 0 30px;
    scrollbar-width: none;
  }
  .product-tabs::-webkit-scrollbar {
    display: none;
  }
  .product-tabs button {
    flex: 1 0 95px;
    padding: 4px 10px 15px;
  }
  .product-tabs strong {
    font-size: 21px;
  }
  .product-tabs button > span {
    font-size: 10px;
    white-space: nowrap;
  }
  .product-panel {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .product-copy h3 {
    font-size: 28px;
    line-height: 1.5;
  }
  .product-copy .product-title {
    font-size: 11px;
  }
  .product-copy > p:not(.product-title) {
    font-size: 13px;
  }
  .tag-list {
    gap: 7px;
    margin: 22px 0;
  }
  .tag-list > span {
    font-size: 11px;
    padding: 3px 8px;
  }
  .product-copy .button {
    font-size: 13px;
    min-height: 48px;
  }
  .product-diagram {
    padding: 17px 18px 15px;
  }
  .diagram-top {
    font-size: 11px;
  }
  .diagram-label {
    font-size: 9px;
  }
  .diagram-main {
    height: 200px;
  }
  .diagram-core {
    width: 130px;
    height: 130px;
  }
  .diagram-flow strong {
    font-size: 10px;
  }
  .diagram-flow > div {
    padding: 9px 6px;
  }
  .diagram-bottom {
    font-size: 9px;
  }
  .home-cases {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .home-cases > .case-card:first-child {
    grid-column: auto;
  }
  .home-cases > .case-card:first-child .case-visual,
  .home-cases .case-visual {
    height: 240px;
  }
  .home-cases > .case-card:first-child .poster-copy > strong {
    font-size: 25px;
  }
  .case-meta {
    margin-top: 14px;
  }
  .case-card h3 {
    font-size: 17px;
  }
  .home-cases .youth .book-art {
    width: 205px;
    height: 155px;
    top: 13px;
  }
  .home-cases .cangzhou .poster-copy > strong {
    max-width: none;
    font-size: 36px;
  }
  .image-disclaimer {
    font-size: 10px;
    margin-top: 24px;
  }
  .custom-section {
    padding-block: 40px 60px;
  }
  .custom-section > .container {
    grid-template-columns: 1fr;
    gap: 22px;
  }
  .custom-art {
    height: 275px;
    max-width: 340px;
    width: 100%;
    margin-inline: auto;
  }
  .custom-line {
    left: 25px;
    top: 50px;
    width: 280px;
    height: 160px;
  }
  .custom-art > span {
    bottom: 3px;
    right: 20px;
  }
  .custom-copy h2 {
    font-size: 31px;
  }
  .custom-copy p {
    font-size: 14px;
    margin: 20px 0 25px;
  }
  .partner-section {
    padding-block: 60px;
  }
  .partner-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .partner-strip > span {
    font-size: 14px;
    min-height: 85px;
    line-height: 1.6;
    padding: 15px;
    text-align: center;
    word-break: normal;
  }
  .partner-strip > span:not(:nth-child(3n)) {
    border-right: 0;
  }
  .partner-strip > span:nth-child(odd) {
    border-right: 1px solid var(--line);
  }
  .contact-banner {
    padding-block: 45px;
  }
  .contact-banner > .container {
    display: block;
  }
  .contact-banner h2 {
    font-size: 25px;
    max-width: 320px;
    line-height: 1.6;
  }
  .contact-banner p {
    font-size: 12px;
    margin: 15px 0 25px;
  }
  .contact-banner .button {
    min-height: 48px;
    font-size: 13px;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 35px 24px;
    padding-block: 45px 35px;
  }
  .footer-brand {
    grid-column: span 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }
  .footer-brand p {
    font-size: 10px;
    margin: 0;
  }
  .footer-brand .brand > span {
    font-size: 19px;
  }
  .footer-brand .brand img {
    width: 35px;
    height: 35px;
  }
  .footer-main > div:last-child {
    grid-column: auto;
  }
  .footer-main h3 {
    font-size: 13px;
    margin-bottom: 17px;
  }
  .footer-main > div > a:not(.brand) {
    font-size: 11px;
    margin-bottom: 8px;
  }
  .footer-bottom {
    display: block;
    font-size: 9px;
    padding-block: 20px;
  }
  .footer-bottom > span {
    display: block;
    margin-block: 3px;
  }
  .back-top {
    width: 36px;
    height: 36px;
    right: 12px;
    bottom: 16px;
  }
  .page-hero {
    padding: 23px 0 45px;
    min-height: 290px;
  }
  .breadcrumb {
    font-size: 10px;
    margin-bottom: 28px;
    gap: 10px;
    flex-wrap: wrap;
  }
  .page-hero h1 {
    font-size: 33px;
    line-height: 1.5;
    max-width: 100%;
  }
  .page-hero > .container > p {
    font-size: 13px;
    line-height: 1.9;
    margin-top: 18px;
    max-width: 340px;
  }
  .hero-arc {
    width: 440px;
    height: 440px;
    top: -25px;
    right: -270px;
  }
  .hero-arc:before {
    inset: 60px;
  }
  .hero-arc:after {
    inset: 120px;
  }
  .page-hero .button {
    font-size: 13px;
    min-height: 48px;
    margin-top: 23px;
  }
  .page-hero-image {
    min-height: 360px;
    background-position: 59% center;
  }
  .page-hero-shade {
    background: linear-gradient(90deg, #061b3be6, #061b3b33);
  }
  .product-list-item {
    grid-template-columns: 1fr;
    gap: 30px;
    padding-block: 40px;
  }
  .product-list-copy h2 {
    font-size: 24px;
  }
  .product-name {
    font-size: 20px;
  }
  .product-list-copy > p {
    font-size: 13px;
    margin-top: 15px;
  }
  .product-list-copy .audience {
    font-size: 11px;
  }
  .product-list-copy .button {
    font-size: 13px;
    min-height: 48px;
  }
  .detail-intro {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .detail-intro > div:first-child h2 {
    font-size: 40px;
  }
  .detail-intro > div:first-child h3 {
    font-size: 22px;
    margin-bottom: 25px;
  }
  .feature-columns {
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 40px;
  }
  .feature-columns > article {
    padding-top: 22px;
  }
  .feature-columns svg {
    margin-bottom: 14px;
    width: 25px;
    height: 25px;
  }
  .feature-columns h3 {
    font-size: 21px;
    margin-bottom: 10px;
  }
  .feature-columns p {
    font-size: 13px;
    line-height: 1.95;
  }
  .product-note {
    font-size: 11px;
    padding: 15px;
    margin-top: 28px;
  }
  .steps-list {
    grid-template-columns: 1fr;
    gap: 30px;
    margin-block: 30px;
  }
  .steps-list > article {
    display: grid;
    grid-template-columns: 50px 1fr;
    gap: 0 15px;
  }
  .steps-list span {
    font-size: 32px;
    grid-row: span 2;
    margin: 0;
  }
  .steps-list h3 {
    font-size: 19px;
    margin-bottom: 8px;
  }
  .steps-list p {
    grid-column: 2;
    font-size: 13px;
  }
  .related-products {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .related-products a {
    padding: 20px;
  }
  .related-products strong {
    font-size: 22px;
  }
  .related-products span {
    font-size: 11px;
  }
  .section-nav {
    top: 68px;
  }
  .section-nav > .container {
    gap: 0;
    justify-content: space-between;
  }
  .section-nav a {
    font-size: 12px;
    padding: 15px 0;
  }
  .service-detail {
    scroll-margin-top: 48px;
  }
  .service-detail .section-heading h2 {
    font-size: 27px;
  }
  .service-detail .section-heading h3 {
    font-size: 17px;
    margin-top: 13px;
  }
  .service-detail .section-heading > p {
    font-size: 13px;
    max-width: none;
  }
  .custom-services {
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 35px;
  }
  .custom-services > article {
    padding-top: 23px;
  }
  .custom-services h3 {
    font-size: 21px;
    margin-bottom: 13px;
  }
  .custom-services p {
    font-size: 13px;
  }
  .custom-services svg {
    width: 28px;
    height: 28px;
    margin-bottom: 15px;
  }
  .featured-project {
    grid-template-columns: 1fr;
  }
  .featured-project > div:first-child {
    padding: 28px;
  }
  .featured-project h3 {
    font-size: 25px;
  }
  .featured-project p {
    font-size: 13px;
  }
  .featured-project > .case-visual {
    min-height: 275px;
  }
  .featured-project .book-art {
    top: 25px;
    width: 215px;
    height: 170px;
  }
  .creative-image {
    height: 300px;
  }
  .creative-image > img {
    object-position: 65% center;
  }
  .creative-image > strong {
    font-size: 30px;
    top: 35px;
    left: 25px;
  }
  .creative-image > span {
    font-size: 8px;
    right: 10px;
    bottom: 10px;
  }
  .training-evidence {
    grid-template-columns: 1fr;
    gap: 25px;
    padding: 24px;
  }
  .training-evidence p {
    font-size: 12px;
  }
  .filter-bar {
    gap: 4px;
    margin-bottom: 30px;
    flex-wrap: wrap;
    padding-bottom: 17px;
  }
  .filter-bar button {
    font-size: 12px;
    padding: 8px 14px;
  }
  .filter-bar button > span {
    font-size: 10px;
    margin-left: 4px;
  }
  .filter-bar > p {
    flex-basis: 100%;
    margin-top: 14px;
    font-size: 11px;
  }
  .case-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .case-grid .case-visual {
    height: 265px;
  }
  .case-detail-layout {
    gap: 30px;
  }
  .case-detail-layout .case-visual {
    height: 295px;
  }
  .case-detail-copy h2 {
    font-size: 25px;
    margin-bottom: 15px;
  }
  .case-detail-copy p {
    font-size: 14px;
  }
  .case-detail-copy h3 {
    font-size: 19px;
    margin-top: 22px;
  }
  .case-detail-copy .button {
    font-size: 13px;
  }
  .related-cases > .case-card:last-child {
    display: block;
  }
  .about-intro {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .about-intro h2 {
    font-size: 29px;
  }
  .about-intro .lead {
    font-size: 19px;
  }
  .about-intro p {
    font-size: 14px;
    line-height: 2;
    margin-bottom: 18px;
  }
  .partner-groups > div {
    padding-block: 25px;
    gap: 20px;
  }
  .partner-groups h3 {
    font-size: 17px;
  }
  .partner-groups ul {
    grid-template-columns: 1fr 1fr;
    font-size: 11px;
    gap: 20px;
    line-height: 1.9;
  }
  .media-section {
    display: block;
  }
  .media-section h2 {
    font-size: 27px;
  }
  .media-names {
    gap: 45px;
    margin-block: 30px;
  }
  .media-names > span {
    font-size: 29px;
  }
  .media-names small {
    font-size: 9px;
  }
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .contact-intro h2 {
    font-size: 29px;
  }
  .contact-intro > p {
    font-size: 14px;
  }
  .contact-company {
    margin-top: 25px;
    padding-top: 22px;
  }
  .contact-company h3 {
    font-size: 16px;
  }
  .contact-company p {
    font-size: 12px;
  }
  .contact-points {
    margin-top: 25px;
  }
  .contact-points p {
    font-size: 12px;
  }
  .brief-form {
    padding: 25px 22px;
  }
  .brief-form h2 {
    font-size: 23px;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .brief-form input,
  .brief-form select,
  .brief-form textarea {
    font-size: 16px;
  }
  .brief-form input::placeholder,
  .brief-form textarea::placeholder {
    font-size: 13px;
  }
  .brief-form label {
    font-size: 12px;
  }
  .brief-form .button {
    min-height: 48px;
    font-size: 13px;
  }
  .brief-result textarea {
    font-size: 13px;
  }
  .not-found > span {
    font-size: 65px;
  }
  .not-found h1 {
    font-size: 28px;
  }
  .not-found p {
    font-size: 14px;
  }
}
@media (max-width: 375px) {
  .hero-content h1 {
    font-size: 34px;
  }
  .hero-content p {
    font-size: 12px;
  }
  .hero-secondary {
    margin-left: 13px;
  }
  .hero-bottom a > span {
    font-size: 12px;
  }
  .hero-bottom small {
    font-size: 9px;
  }
  .service-card {
    padding: 20px 15px;
  }
  .service-card h3 {
    font-size: 17px;
  }
  .service-card-bottom > span {
    font-size: 8px;
  }
  .diagram-flow strong {
    font-size: 9px;
  }
  .header-contact span {
    font-size: 10px;
  }
  .footer-brand {
    display: block;
  }
  .footer-brand p {
    margin-top: 20px;
  }
  .page-hero h1 {
    font-size: 30px;
  }
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *:before,
  *:after {
    animation: none !important;
    transition: none !important;
  }
}

/* 腾讯现版视频首屏：桌面 44px 外边距、96px 文案内边距；手机竖幅视频。 */
.video-home .site-header {
  position: fixed;
  inset: 0 0 auto;
  height: 106px;
  border: 0;
}
.video-home .header-inner {
  width: calc(100% - 88px);
  max-width: none;
}
.video-home .main-nav > a {
  font-size: 16px;
  font-weight: 600;
}
.video-home .main-nav > a:first-child {
  display: none;
}
.video-home .main-nav > a::after {
  display: none;
}
.video-home .header-contact {
  border: 0;
  padding: 0;
  font-size: 16px;
  font-weight: 600;
}
.film-hero {
  position: relative;
  height: calc(100svh - 148px);
  min-height: 520px;
  margin: 0 44px;
  overflow: hidden;
  border-radius: 10px;
  color: white;
  background: #18222e;
}
.hero-video,
.film-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}
.hero-video {
  object-fit: cover;
}
.film-shade {
  pointer-events: none;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.28), rgba(0, 0, 0, 0.04));
}
.film-copy {
  position: absolute;
  bottom: 96px;
  left: 96px;
  right: 64px;
}
.film-copy h1 {
  color: white;
  font-size: clamp(56px, 6.64vw, 100px);
  font-style: italic;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.035em;
  margin-bottom: 40px;
  text-wrap: wrap;
}
.film-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: white;
  font-size: 16px;
  font-weight: 600;
  min-height: 32px;
}
.film-link svg {
  width: 20px;
  height: 20px;
  transition: transform 0.25s ease;
}
.film-link:hover svg {
  transform: translateX(5px);
}
.film-control {
  position: absolute;
  right: 22px;
  bottom: 20px;
  color: white;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 2px;
  padding: 5px 12px;
  font-size: 12px;
}
.video-home .business-section {
  padding-top: 167px;
}
@media (min-width: 761px) and (max-width: 1050px) {
  .video-home .header-inner { gap: 22px; }
  .video-home .main-nav { gap: 22px; }
  .video-home .main-nav > a,
  .video-home .header-contact { font-size: 14px; }
  .film-copy { left: 64px; right: 48px; }
}
@media (max-width: 760px) {
  .video-home .site-header { height: 68px; }
  .video-home .header-inner { width: calc(100% - 48px); }
  .video-home .brand { gap: 8px; }
  .video-home .brand img { width: 30px; height: 30px; }
  .video-home .brand > span { font-size: 18px; }
  .video-home .brand small { font-size: 6px; margin-top: 3px; }
  .video-home .header-contact { display: none; }
  .video-home .main-nav { top: 68px; }
  .film-hero {
    height: calc(100svh - 92px);
    min-height: 480px;
    margin: 68px 24px 0;
  }
  .film-copy {
    bottom: 32px;
    left: 32px;
    right: auto;
    width: calc(83.333% - 32px);
  }
  .film-copy h1 {
    font-size: 28px;
    line-height: 1.2;
    margin-bottom: 32px;
    letter-spacing: -0.035em;
  }
  .film-link { font-size: 14px; min-height: 21px; }
  .film-control { right: 16px; bottom: 18px; padding: 4px 8px; font-size: 11px; }
  .video-home .business-section { padding-top: 88px; }
}

/* 公司资料中的产品、作品与培训素材；不改动视频首屏。 */
.product-preview { margin: 0; min-width: 0; }
.product-preview-link {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: #fff;
  border: 1px solid #dbe4e9;
  border-radius: 12px;
  box-shadow: 0 18px 50px #09234b0c;
  cursor: zoom-in;
}
.product-preview-link img { width: 100%; height: auto; }
.product-preview-portrait .product-preview-link {
  height: 454px;
  padding: 18px;
  background: linear-gradient(135deg, #edf3f2, #f9faf5);
}
.product-preview-portrait .product-preview-link img {
  width: auto;
  height: 100%;
  object-fit: contain;
  border-radius: 24px;
}
.product-preview figcaption {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 12px;
}
.product-preview figcaption span:last-child { color: #007f96; }
.product-section .product-panel { min-height: 494px; }
.product-detail .detail-intro { grid-template-columns: minmax(240px, .7fr) minmax(0, 1.3fr); gap: 56px; }
.work-showcase { background: #f2f6fa; }
.work-video { min-width: 0; }
.work-video video {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  background: #081a2b;
  border-radius: 12px;
}
.work-video > p {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
  color: var(--ink);
  font-size: 15px;
}
.work-video > p span { color: var(--muted); font-size: 13px; }
.case-visual.project-screen {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 18px 30px 0;
  background: linear-gradient(135deg, #e2eeea, #f4f4ea);
}
.case-visual.project-screen > img { width: auto; height: auto; max-width: 82%; border-radius: 10px 10px 0 0; object-fit: contain; }
.case-detail-layout .project-screen { height: 640px; padding: 24px; align-items: center; }
.case-detail-layout .project-screen > img { height: 100%; max-width: 100%; }
.poster-play {
  position: absolute;
  left: 20px;
  bottom: 18px;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid #ffffffa6;
  background: #09234b77;
  color: white;
  font-size: 16px;
}
.industry-heading { margin-top: 68px; margin-bottom: 28px; }
.industry-heading h3 { font-size: 28px; margin-bottom: 10px; }
.industry-solutions { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.industry-solutions article { padding: 30px 0 0; border-top: 2px solid #91b9c5; }
.industry-label { color: #007f96; font-size: 12px; letter-spacing: .08em; }
.industry-solutions h3 { margin: 14px 0; font-size: 23px; }
.industry-solutions p { font-size: 14px; }
.industry-solutions ul { padding-left: 20px; margin: 22px 0; line-height: 2.1; font-size: 14px; }
.industry-solutions .industry-note { font-size: 12px; }
.industry-solutions .text-link { margin-top: 24px; font-size: 14px; }
.training-gallery { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; margin-top: 42px; }
.training-gallery figure { margin: 0; min-width: 0; }
.training-gallery img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 10px; }
.training-gallery figcaption { margin-top: 12px; font-size: 13px; color: var(--muted); }
.image-viewer { width: min(1200px, 94vw); max-width: 94vw; max-height: 94svh; border: 0; border-radius: 14px; padding: 24px; color: var(--ink); background: white; }
.image-viewer::backdrop { background: #071729bf; }
.image-viewer-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.image-viewer-heading h2 { font-size: 20px; }
.image-viewer-heading button { padding: 8px 12px; background: var(--pale); border-radius: 6px; font-size: 14px; }
.image-viewer-content img { display: block; max-width: 100%; max-height: 73svh; width: auto; height: auto; margin-inline: auto; object-fit: contain; }
.image-viewer > a { display: block; text-align: right; margin-top: 12px; color: #007f96; font-size: 13px; }
@media (max-width: 960px) {
  .product-detail .detail-intro { gap: 32px; grid-template-columns: .8fr 1.2fr; }
  .product-preview-portrait .product-preview-link { height: 410px; }
  .industry-solutions { gap: 30px; }
}
@media (max-width: 760px) {
  .product-section .product-panel { min-height: 0; }
  .product-detail .detail-intro { grid-template-columns: 1fr; }
  .product-preview-portrait .product-preview-link { height: 420px; }
  .product-preview figcaption { font-size: 11px; }
  .work-video video { border-radius: 8px; }
  .work-video > p { flex-direction: column; gap: 4px; font-size: 14px; }
  .work-video > p span { font-size: 12px; }
  .industry-solutions, .training-gallery { grid-template-columns: 1fr; gap: 30px; }
  .industry-heading { margin-top: 44px; }
  .industry-heading h3 { font-size: 24px; }
  .industry-solutions h3 { font-size: 22px; }
  .case-detail-layout .project-screen { height: 540px; }
  .image-viewer { padding: 16px; }
  .image-viewer-heading { gap: 12px; }
  .image-viewer-heading h2 { font-size: 16px; }
  .image-viewer-heading button { white-space: nowrap; font-size: 12px; }
}