/* =====================================================================
   TowinPR homepage v12: bold editorial direction.
   Loaded by the zh/en homepages and the isolated v12 content pages.
   ===================================================================== */
:root {
  --paper: #faf9f6;
  --paper-2: #f1efe8;
  --ink: #141414;
  --muted: #6e6c64;
  --muted-dark: #aaa79f;
  --signal: #f4512c;
  --signal-deep: #d8431f;
  --line: #e4e2da;
  --line-dark: rgba(255, 255, 255, 0.16);
  --font-sans: "Microsoft YaHei", sans-serif;
  --font-serif: "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

button {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
}

.pr12-wrap,
.pr10-wrap {
  width: min(1280px, calc(100% - 48px));
  margin: 0 auto;
}

.pr12-skip {
  position: absolute;
  top: -80px;
  left: 16px;
  z-index: 120;
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 10px 16px;
  background: var(--signal);
  color: #fff;
  font-weight: 800;
}

.pr12-skip:focus {
  top: 12px;
}

/* Shared header markup, restyled only while this homepage stylesheet is loaded. */
.pr10-header {
  position: sticky;
  top: 0;
  z-index: 80;
  border-bottom: 1px solid var(--line-dark);
  background: rgba(20, 20, 20, 0.94);
  color: var(--paper);
  backdrop-filter: blur(14px);
}

.pr10-header-inner {
  display: flex;
  min-height: 74px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.pr10-brand {
  display: flex;
  flex: none;
  align-items: center;
  gap: 12px;
}

.pr10-brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  background: var(--signal);
  color: #fff;
  font-weight: 900;
  letter-spacing: 0;
}

.pr10-brand-copy strong {
  display: block;
  color: #fff;
  font-size: 20px;
  line-height: 1;
  letter-spacing: 0;
}

.pr10-brand-copy span {
  display: block;
  margin-top: 4px;
  color: var(--muted-dark);
  font-size: 12px;
}

.pr10-header-side {
  display: none;
  align-items: center;
  gap: 10px;
}

.pr10-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 700;
}

.pr10-nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 0 10px;
  border-bottom: 2px solid transparent;
  color: rgba(255, 255, 255, 0.82);
}

.pr10-nav a:hover,
.pr10-nav a[aria-current="page"] {
  color: #fff;
}

.pr10-nav a[aria-current="page"] {
  border-bottom-color: var(--signal);
}

.pr10-nav-action {
  margin-left: 6px;
  padding: 0 18px !important;
  border-bottom: 0 !important;
  background: var(--signal);
  color: #fff !important;
  font-weight: 800;
}

.pr10-nav-action:hover {
  background: var(--signal-deep);
}

.pr10-lang {
  margin-left: 2px;
  padding: 0 13px !important;
  border: 1px solid var(--line-dark) !important;
}

.pr10-lang-mobile,
.pr10-menu-button {
  display: none;
}

/* Buttons. */
.pr12-btn {
  display: inline-flex;
  min-height: 54px;
  align-items: center;
  justify-content: center;
  padding: 0 30px;
  border: 2px solid transparent;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
}

.pr12-btn-primary {
  background: var(--signal);
  color: #fff;
}

.pr12-btn-primary:hover {
  background: var(--signal-deep);
}

.pr12-btn-ghost {
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
}

.pr12-btn-ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.pr12-btn-ink {
  background: var(--ink);
  color: var(--paper);
}

.pr12-btn-ink:hover {
  background: #000;
}

.pr12-btn-outline-ink {
  border-color: var(--ink);
  color: var(--ink);
}

.pr12-btn-outline-ink:hover {
  background: var(--ink);
  color: var(--paper);
}

.pr12-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--signal);
  font-family: var(--font-serif);
  font-size: 15px;
  font-style: italic;
  letter-spacing: 0;
  text-transform: uppercase;
}

.pr12-kicker::before {
  width: 36px;
  height: 2px;
  background: var(--signal);
  content: "";
}

.pr12-kicker-ink {
  color: var(--ink);
}

.pr12-kicker-ink::before {
  background: var(--ink);
}

/* 1. Full-bleed hero. */
.pr12-hero {
  position: relative;
  display: flex;
  min-height: calc(100vh - 74px);
  min-height: min(calc(100svh - 74px), 920px);
  align-items: flex-end;
  overflow: hidden;
  background: var(--ink);
  color: #fff;
}

.pr12-hero-slides,
.pr12-hero-slide,
.pr12-hero-shade {
  position: absolute;
  inset: 0;
}

.pr12-hero-slide {
  background-position: center;
  background-size: cover;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.pr12-hero-slide.active {
  opacity: 1;
}

.pr12-hero-motion {
  position: absolute;
  top: 24px;
  right: 24px;
  z-index: 4;
  display: grid;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.62);
  background: rgba(20, 20, 20, 0.64);
  color: #fff;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 18px;
  line-height: 1;
  backdrop-filter: blur(8px);
}

.pr12-hero-motion[hidden] {
  display: none;
}

.pr12-hero-motion:hover {
  border-color: var(--signal);
  background: var(--signal);
}

.pr12-hero-dots {
  display: flex;
  gap: 12px;
  margin-top: 30px;
}

.pr12-hero-dots:empty {
  display: none;
}

.pr12-hero-dots button {
  position: relative;
  width: 12px;
  height: 44px;
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  transition: width 0.35s ease;
}

.pr12-hero-dots button::before {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  left: 0;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.45);
  transform: translateY(-50%);
  transition: background 0.3s ease;
}

.pr12-hero-dots button:hover::before {
  background: rgba(255, 255, 255, 0.82);
}

.pr12-hero-dots button.active {
  width: 34px;
}

.pr12-hero-dots button.active::before {
  background: var(--signal);
}

.pr12-hero-dots button:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 4px;
}

.pr12-hero-slide-fallback {
  background-color: var(--ink);
  background-position: center;
  background-size: auto 190%;
}

html.pr12-js .pr12-hero-slide.active {
  animation: pr12-hero-zoom 7s ease-out forwards;
}

@keyframes pr12-hero-zoom {
  from { transform: scale(1.05); }
  to { transform: scale(1); }
}

/* Hero banner 由后台上传，内容不可控：文案压在左下，这里必须保证白字在任意图上都可读。
   纵向渐变让画面中上段保持通透，横向渐变把左侧文案带压暗。 */
.pr12-hero-shade {
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(14, 14, 14, 0.62) 0%, rgba(14, 14, 14, 0.22) 30%, rgba(14, 14, 14, 0.72) 62%, rgba(14, 14, 14, 0.94) 100%),
    linear-gradient(90deg, rgba(14, 14, 14, 0.72) 0%, rgba(14, 14, 14, 0.34) 58%, rgba(14, 14, 14, 0.12) 100%);
  pointer-events: none;
}

.pr12-hero-content {
  position: relative;
  z-index: 2;
  padding: 112px 360px 64px 0;
}

.pr12-hero h1 {
  max-width: 900px;
  margin: 18px 0 0;
  font-size: 75px;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1.06;
}
.pr12-hero h1 .pr12-title-line {
  display: block;
}

.pr12-hero h1 em {
  color: var(--signal);
  font-family: var(--font-serif);
  font-style: normal;
  font-weight: 700;
}

html[lang="en"] .pr12-hero h1 em {
  font-style: italic;
  font-weight: 500;
}

.pr12-hero-desc {
  max-width: 38em;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 18px;
}

.pr12-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.pr12-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin-top: 52px;
  padding-top: 18px;
  border-top: 1px solid var(--line-dark);
  color: rgba(255, 255, 255, 0.74);
  font-size: 14px;
}

.pr12-hero-meta b {
  color: #fff;
  font-weight: 800;
}

.pr12-hero-meta a:hover b {
  color: var(--signal);
}

.pr12-hero-spec {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 3;
  width: min(320px, calc(100% - 48px));
  padding: 15px 18px;
  border-left: 3px solid var(--signal);
  background: rgba(20, 20, 20, 0.82);
  font-size: 13px;
  backdrop-filter: blur(8px);
}

.pr12-hero-spec b,
.pr12-hero-spec span {
  display: block;
}

.pr12-hero-spec b {
  color: #fff;
  font-size: 15px;
  font-weight: 800;
}

.pr12-hero-spec span {
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.72);
}

a.pr12-hero-spec:hover b {
  color: var(--signal);
}

/* 2. Decorative marquee. */
.pr12-marquee {
  overflow: hidden;
  padding: 16px 0;
  background: var(--signal);
  color: var(--ink);
}

.pr12-marquee-track {
  display: flex;
  width: max-content;
  animation: pr12-marquee 30s linear infinite;
}

.pr12-marquee-group {
  display: flex;
  align-items: center;
  gap: 34px;
  padding-right: 34px;
  font-size: 21px;
  font-weight: 900;
  letter-spacing: 0;
  white-space: nowrap;
}

.pr12-marquee-group i {
  color: rgba(20, 20, 20, 0.58);
  font-family: var(--font-serif);
  font-style: italic;
  font-weight: 400;
}

@keyframes pr12-marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* Shared section heading. */
.pr12-section {
  padding: 120px 0;
}

.pr12-section-head {
  max-width: 860px;
}

.pr12-section-head h2 {
  margin: 16px 0 0;
  font-size: 40px;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1.14;
}

.pr12-section-head h2 em {
  color: var(--signal);
  font-family: var(--font-serif);
  font-style: normal;
  font-weight: 700;
}

html[lang="en"] .pr12-section-head h2 em {
  font-style: italic;
  font-weight: 500;
}

.pr12-section-head p {
  max-width: 42em;
  margin: 16px 0 0;
  color: var(--muted);
}

.pr12-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.pr12-more {
  flex: none;
  padding-bottom: 2px;
  border-bottom: 2px solid var(--signal);
  font-weight: 800;
  white-space: nowrap;
}

.pr12-more:hover {
  color: var(--signal);
}

/* 3. Service entry cards:一行四个小图文,封面图取自后台 service 文章。 */
.pr12-service-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  margin-top: 56px;
}

.pr12-service-card {
  display: block;
  min-width: 0;
}

.pr12-service-card-media {
  display: block;
  overflow: hidden;
  background: var(--paper-2);
}

.pr12-service-card-media img {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  transition: transform 0.8s ease;
}

.pr12-service-card:hover .pr12-service-card-media img {
  transform: scale(1.05);
}

.pr12-service-card em {
  display: block;
  margin-top: 16px;
  color: var(--signal);
  font-family: var(--font-serif);
  font-size: 14px;
  font-style: italic;
  letter-spacing: 0.12em;
}

.pr12-service-card strong {
  display: block;
  margin-top: 6px;
  font-size: 19px;
  font-weight: 900;
  line-height: 1.4;
  transition: color 0.3s;
}

.pr12-service-card:hover strong {
  color: var(--signal);
}

.pr12-service-card-go {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.pr12-service-card-go span {
  transition: transform 0.25s ease;
}

.pr12-service-card:hover .pr12-service-card-go {
  color: var(--signal);
}

.pr12-service-card:hover .pr12-service-card-go span {
  transform: translateX(4px);
}

/* 4. Dark case grid. */
.pr12-cases {
  background: var(--ink);
  color: var(--paper);
}

.pr12-cases .pr12-section-head p {
  color: var(--muted-dark);
}

.pr12-case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 72px;
}

.pr12-case {
  position: relative;
  display: block;
  min-width: 0;
}

.pr12-case-media {
  position: relative;
  display: block;
  overflow: hidden;
  background: #000;
}

.pr12-case-media--no-cover {
  aspect-ratio: 16 / 10;
  background: #242424;
}

.pr12-case-media img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform 1.1s ease;
}

.pr12-case-placeholder {
  display: grid;
  width: 100%;
  aspect-ratio: 16 / 10;
  place-items: center;
  background: #242424;
  color: rgba(255, 255, 255, 0.18);
  font-family: var(--font-sans);
  font-size: 72px;
  font-style: italic;
  font-weight: 700;
}

.pr12-case:hover .pr12-case-media img {
  transform: scale(1.05);
}

.pr12-case-media i {
  position: absolute;
  bottom: 2px;
  left: 14px;
  color: rgba(255, 255, 255, 0.32);
  font-family: var(--font-serif);
  font-size: 88px;
  font-style: italic;
  line-height: 1;
  pointer-events: none;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.4);
}

.pr12-case-tag {
  display: block;
  margin-top: 16px;
  color: var(--signal);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.pr12-case strong {
  display: block;
  margin-top: 6px;
  font-size: 25px;
  font-weight: 900;
  line-height: 1.35;
}

.pr12-case:hover strong {
  text-decoration: underline;
  text-decoration-color: var(--signal);
  text-decoration-thickness: 3px;
  text-underline-offset: 6px;
}

.pr12-case > em {
  display: block;
  margin-top: 6px;
  color: var(--muted-dark);
  font-size: 14px;
  font-style: normal;
}

.pr12-case-featured {
  grid-column: auto;
}

.pr12-case-featured .pr12-case-media img {
  aspect-ratio: 16 / 10;
}

.pr12-case-featured .pr12-case-media--no-cover {
  aspect-ratio: 16 / 10;
}

.pr12-case-featured .pr12-case-placeholder {
  aspect-ratio: 16 / 10;
}

.pr12-case:nth-child(2) {
  grid-column: auto;
  margin-top: 0;
}

.pr12-case:nth-child(3) {
  grid-column: auto;
}

.pr12-case:nth-child(4) {
  grid-column: auto;
  margin-top: 0;
}

.pr12-cases-foot {
  display: flex;
  justify-content: flex-end;
  margin-top: 58px;
}

.pr12-cases .pr12-more {
  color: var(--paper);
}

/* 5. Trust figures. */
.pr12-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  padding-top: 52px;
  border-top: 1px solid var(--ink);
}

.pr12-stats-grid b {
  display: block;
  overflow-wrap: anywhere;
  font-size: 50px;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1;
}

.pr12-stats-grid b i {
  color: var(--signal);
  font-family: var(--font-serif);
  font-size: 0.52em;
  font-style: italic;
  font-weight: 400;
}

.pr12-stats-grid span {
  display: block;
  max-width: 22em;
  margin-top: 14px;
  color: var(--muted);
  font-size: 15px;
}

.pr12-stats-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 60px;
}

.pr12-stats-tags b {
  padding: 10px 18px;
  border: 1px solid var(--ink);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}

/* 6. Six-step execution timeline. */
.pr12-method {
  background: var(--paper-2);
}

.pr12-method .pr12-section-head h2 {
  white-space: nowrap;
}

.pr12-method-list {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: 64px 0 0;
  padding: 0;
  list-style: none;
}

.pr12-method-list li {
  position: relative;
  min-width: 0;
  padding: 26px 22px 0 0;
  border-top: 1px solid var(--ink);
}

.pr12-method-list li:not(:last-child)::after {
  position: absolute;
  top: -13px;
  right: 8px;
  color: var(--signal);
  content: "\2192";
  font-size: 20px;
}

.pr12-method-list i {
  display: block;
  color: var(--signal);
  font-family: var(--font-serif);
  font-size: 26px;
  font-style: italic;
}

.pr12-method-list b {
  display: block;
  margin-top: 10px;
  font-size: 19px;
  font-weight: 900;
  line-height: 1.3;
}

.pr12-method-list span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
}

/* 7. Insight list. */
.pr12-news-list {
  margin-top: 56px;
  border-top: 1px solid var(--ink);
}

.pr12-news-item {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) 56px;
  align-items: center;
  gap: 20px;
  min-height: 92px;
  padding: 24px 0;
  border-bottom: 1px solid var(--ink);
}

.pr12-news-item--no-date {
  grid-template-columns: minmax(0, 1fr) 56px;
}

.pr12-news-item span {
  color: var(--muted);
  font-family: var(--font-serif);
  font-style: italic;
}

.pr12-news-item strong {
  font-size: 24px;
  font-weight: 900;
  line-height: 1.4;
  transition: color 0.3s;
}

.pr12-news-item b {
  justify-self: end;
  font-size: 24px;
  font-weight: 400;
  opacity: 0.35;
  transition: opacity 0.3s, color 0.3s;
}

.pr12-news-item:hover strong,
.pr12-news-item:hover b {
  color: var(--signal);
}

.pr12-news-item:hover b {
  opacity: 1;
}

/* 8. FAQ and CTA. */
.pr12-faq {
  max-width: 900px;
  margin-top: 56px;
}

.pr12-faq details {
  border-top: 1px solid var(--ink);
}

.pr12-faq details:last-child {
  border-bottom: 1px solid var(--ink);
}

.pr12-faq summary {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  cursor: pointer;
  font-size: 21px;
  font-weight: 800;
  list-style: none;
}

.pr12-faq summary::-webkit-details-marker {
  display: none;
}

.pr12-faq summary::after {
  flex: none;
  color: var(--signal);
  content: "+";
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 400;
  transition: transform 0.3s;
}

.pr12-faq details[open] summary::after {
  transform: rotate(45deg);
}

.pr12-faq p {
  max-width: 46em;
  margin: 0 0 24px;
  color: var(--muted);
}

.pr12-cta {
  padding: 136px 0;
  background: var(--signal);
  color: var(--ink);
}

.pr12-cta h2 {
  max-width: 1120px;
  margin: 16px 0 0;
  font-size: 80px;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1.08;
}

.pr12-cta h2 em {
  color: var(--paper);
  font-family: var(--font-serif);
  font-style: normal;
  font-weight: 700;
}

html[lang="en"] .pr12-cta h2 em {
  font-style: italic;
  font-weight: 500;
}

.pr12-cta p {
  max-width: 40em;
  margin: 24px 0 0;
  color: rgba(20, 20, 20, 0.78);
  font-size: 17px;
}

.pr12-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

/* 9. Inline homepage footer. */
.pr12-footer {
  padding: 84px 0 0;
  background: var(--ink);
  color: var(--paper);
}

.pr12-footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 44px;
  padding-bottom: 60px;
}

.pr12-footer-grid strong {
  font-size: 22px;
  font-weight: 900;
}

.pr12-footer-grid p {
  max-width: 28em;
  margin: 14px 0 0;
  color: var(--muted-dark);
  font-size: 14px;
}

.pr12-footer-grid nav,
.pr12-footer-grid address {
  display: flex;
  flex-direction: column;
}

.pr12-footer-grid nav {
  gap: 4px;
}

.pr12-footer-grid nav a {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  color: var(--muted-dark);
}

.pr12-footer-grid address {
  gap: 8px;
  color: var(--muted-dark);
  font-size: 14px;
  font-style: normal;
  overflow-wrap: anywhere;
}

.pr12-footer-grid address b {
  color: var(--paper);
}

.pr12-footer-grid address a {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
}

.pr12-footer-grid nav a:hover,
.pr12-footer-grid address a:hover {
  color: var(--signal);
}

.pr12-footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 28px;
  padding: 20px 0;
  border-top: 1px solid var(--line-dark);
  color: var(--muted-dark);
  font-size: 13px;
}

/* Reveal states only hide content after JavaScript has announced itself. */
html.pr12-js [data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

html.pr12-js [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1199.98px) {
  .pr10-nav {
    font-size: 13px;
  }

  .pr10-nav a {
    padding-right: 7px;
    padding-left: 7px;
  }

  .pr12-hero-content {
    padding-right: 310px;
  }

  .pr12-hero h1 {
    font-size: 75px;
  }

  .pr12-section-head h2 {
    font-size: 40px;
  }

  .pr12-stats-grid b {
    font-size: 50px;
  }

  .pr12-method-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 36px 24px;
  }

  .pr12-method-list li:nth-child(3)::after,
  .pr12-method-list li:nth-child(6)::after {
    content: none;
  }

  .pr12-cta h2 {
    font-size: 64px;
  }
}

@media (max-width: 1023.98px) {
  .pr10-header-side {
    display: flex;
  }

  .pr10-lang-mobile {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    padding: 0 12px;
    border: 1px solid var(--line-dark);
    color: #fff;
    font-weight: 700;
  }

  .pr10-menu-button {
    display: inline-flex;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 12px;
    border: 1px solid var(--line-dark);
    background: none;
    color: #fff;
    cursor: pointer;
  }

  .pr10-menu-button span {
    display: none;
  }

  .pr10-menu-button span:first-child {
    display: block;
    width: 18px;
    height: 2px;
    margin: 0 2px;
    background: #fff;
    box-shadow: 0 -6px 0 #fff, 0 6px 0 #fff;
  }

  .pr10-menu-button b {
    font-weight: 800;
  }

  .pr10-nav {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    max-height: calc(100vh - 74px);
    overflow-y: auto;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 8px 24px 20px;
    border-bottom: 1px solid var(--line-dark);
    background: var(--ink);
    font-size: 15px;
  }

  .pr10-nav[data-open] {
    display: flex;
  }

  .pr10-nav a {
    min-height: 52px;
    justify-content: flex-start;
    padding: 0 4px;
    border-bottom: 1px solid var(--line-dark);
  }

  .pr10-nav a[aria-current="page"] {
    border-bottom-color: var(--signal);
  }

  .pr10-nav-action {
    justify-content: center !important;
    margin: 14px 0 0;
  }

  .pr10-lang {
    display: none !important;
  }

  .pr12-section {
    padding: 92px 0;
  }

  .pr12-hero-content {
    padding-right: 0;
  }

  .pr12-hero-spec {
    display: none;
  }

  .pr12-service-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 36px 28px;
  }

  .pr12-case-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .pr12-case-featured,
  .pr12-case:nth-child(2),
  .pr12-case:nth-child(3),
  .pr12-case:nth-child(4) {
    grid-column: auto;
    margin-top: 0;
  }

  .pr12-stats-grid {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .pr12-footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 719.98px) {
  .pr12-wrap,
  .pr10-wrap {
    width: min(100% - 32px, 1280px);
  }

  .pr10-header-inner {
    min-height: 66px;
  }

  .pr10-brand-mark {
    width: 38px;
    height: 38px;
  }

  .pr10-brand-copy strong {
    font-size: 18px;
  }

  .pr10-brand-copy span,
  .pr10-menu-button b {
    display: none;
  }

  .pr10-nav {
    max-height: calc(100vh - 66px);
    padding-right: 16px;
    padding-left: 16px;
  }

  .pr12-hero {
    min-height: calc(100vh - 66px);
    min-height: min(calc(100svh - 66px), 820px);
  }

  .pr12-hero-content {
    padding: 92px 0 46px;
  }

  .pr12-hero h1 {
    font-size: 46px;
  }

  .pr12-hero-desc {
    font-size: 16px;
  }

  .pr12-hero-meta {
    margin-top: 38px;
  }

  .pr12-btn {
    width: 100%;
  }

  .pr12-hero-actions,
  .pr12-cta-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .pr12-marquee-group {
    gap: 24px;
    padding-right: 24px;
    font-size: 17px;
  }

  .pr12-section {
    padding: 72px 0;
  }

  .pr12-section-head h2 {
    font-size: 35px;
  }

  .pr12-head-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .pr12-service-cards,
  .pr12-case-grid,
  .pr12-news-list,
  .pr12-faq {
    margin-top: 40px;
  }

  .pr12-service-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 20px;
  }

  .pr12-service-card strong {
    font-size: 16px;
    overflow-wrap: anywhere;
  }

  .pr12-case-media i {
    font-size: 64px;
  }

  .pr12-case strong {
    font-size: 21px;
  }

  .pr12-stats-grid {
    padding-top: 36px;
  }

  .pr12-stats-grid b {
    font-size: 50px;
  }

  .pr12-stats-tags {
    margin-top: 42px;
  }

  .pr12-method-list {
    grid-template-columns: 1fr;
    gap: 0;
    margin-top: 42px;
  }

  .pr12-method .pr12-section-head h2 {
    white-space: normal;
  }

  .pr12-method-list li {
    padding: 22px 0 24px 58px;
  }

  .pr12-method-list li:not(:last-child)::after {
    top: auto;
    right: auto;
    bottom: -12px;
    left: 10px;
    content: "\2193";
  }

  .pr12-method-list i {
    position: absolute;
    top: 20px;
    left: 0;
  }

  .pr12-news-item {
    position: relative;
    display: block;
    min-height: 0;
    padding: 22px 42px 22px 0;
  }

  .pr12-news-item span,
  .pr12-news-item strong {
    display: block;
  }

  .pr12-news-item strong {
    margin-top: 4px;
    font-size: 19px;
    overflow-wrap: anywhere;
  }

  .pr12-news-item b {
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
  }

  .pr12-faq summary {
    font-size: 18px;
  }

  .pr12-cta {
    padding: 82px 0;
  }

  .pr12-cta h2 {
    font-size: 44px;
    overflow-wrap: anywhere;
  }

  .pr12-footer {
    padding-top: 58px;
  }

  .pr12-footer-grid {
    gap: 36px;
    padding-bottom: 44px;
  }
}

@media (max-width: 419.98px) {
  .pr12-hero h1 {
    font-size: 40px;
  }

  .pr12-section-head h2 {
    font-size: 32px;
  }

  .pr12-cta h2 {
    font-size: 38px;
  }
}

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

  html.pr12-js [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .pr12-marquee-track {
    width: auto;
    animation: none;
  }

  .pr12-marquee-group:nth-child(2) {
    display: none;
  }

  html.pr12-js .pr12-hero-slide.active,
  .pr12-hero-slide,
  .pr12-hero-dots button,
  .pr12-hero-dots button::before,
  .pr12-case-media img,
  .pr12-service-card-media img,
  .pr12-service-card-go span,
  .pr12-faq summary::after {
    animation: none;
    transition: none;
  }
}

/* 服务卡片缺封面时的占位，保持一行四个的高度一致。 */
.pr12-service-card-fallback {
  display: grid;
  aspect-ratio: 4 / 3;
  place-items: center;
  background: var(--paper-2);
  color: var(--muted);
  font-family: var(--font-serif);
  font-size: 30px;
  font-style: italic;
  font-weight: 700;
}