/* English-only layout: shared Chinese assets and styles remain unchanged. */
.english-site body { font-family: "Helvetica Neue", Arial, sans-serif; }
.english-site h1, .english-site h2, .english-site h3, .english-site h4 { text-wrap: balance; }
.english-site p { text-wrap: pretty; }
.english-site .site-header { padding-left: 32px; }
.english-site .site-header nav { gap: clamp(16px, 1.5vw, 24px); }
.english-site .site-header nav a { font-size: 15px; }
.english-site .nav-cta { min-width: 208px; gap: 12px; padding-inline: 20px; font-size: 15px; white-space: nowrap; }
.english-site .hero { min-height: 730px; }
.english-site .hero-copy { width: min(620px, calc(46 * var(--layout-unit))); padding-top: 45px; }
.english-site .hero h1 { max-width: 600px; font-size: clamp(64px, calc(5.1 * var(--layout-unit)), 80px); font-weight: 650; line-height: 1.04; letter-spacing: -.055em; }
.english-site .hero-lead { max-width: 580px; margin-top: 30px; font-size: 20px; line-height: 1.55; }
.english-site .hero-actions { gap: 12px; margin-top: 32px; }
.english-site .hero-actions .button { min-height: 52px; padding-inline: 22px; font-size: 16px; white-space: nowrap; }
/* Client wordmarks stay unmodified; name fallbacks are ordinary text, never new logos. */
.english-site .hero-clients { grid-template-columns: 220px minmax(0,1fr); padding-block: 24px; }
.english-site .hero-clients h2 { font-size: 28px; }
.english-site .hero-clients > header p { font-size: 15px; line-height: 1.5; }
.english-site .hero-clients ul { grid-template-columns: repeat(8,minmax(0,1fr)); }
.english-site .hero-clients .client-en { display: flex; align-items: center; justify-content: center; min-height: 80px; height: 100%; padding: 12px; text-align: center; }
.english-site .client-wordmark { font-size: 19px; font-weight: 650; line-height: 1.15; letter-spacing: -.035em; }
.english-site .hero-clients img { max-width: 100%; max-height: 28px; height: auto; width: 88px; object-fit: contain; }
.english-site .business-intro-title-row h2 { letter-spacing: -.04em; line-height: 1.08; }
.english-site .business-intro-title-row > p { font-size: 20px; line-height: 1.5; }
.english-site .business-intro-card { height: clamp(330px, calc(25 * var(--layout-unit)), 400px); }
.english-site .business-intro-copy h4 { font-size: 30px; line-height: 1.12; letter-spacing: -.035em; }
.english-site .business-intro .business-intro-copy p { font-size: 18px; line-height: 1.5; }
.english-site .section-heading h2, .english-site .contact h2 { letter-spacing: -.045em; line-height: 1.1; }
.english-site .section-heading > p { font-size: 20px; line-height: 1.55; }
.english-site .card-copy h3 { font-size: 31px; line-height: 1.14; letter-spacing: -.03em; }
.english-site .card-copy p { max-width: 95%; font-size: 18px; line-height: 1.5; }
.english-site .image-shade { background: linear-gradient(180deg, rgba(5,6,8,.06) 20%,rgba(8,9,12,.35) 45%,rgba(8,9,12,.94) 100%); }
.english-site #scope .scope-solution-heading { padding-block: 36px; }
.english-site #scope .scope-solution-heading h2 { font-size: 43px; letter-spacing: -.035em; line-height: 1.1; }
.english-site #scope .scope-solution-label { display: block; min-height: 104px; margin-bottom: 12px; }
.english-site #scope .scope-solution-label h3 { font-size: 32px; line-height: 1.1; margin-bottom: 15px; white-space: normal; }
.english-site #scope .scope-solution-label h4 { font-size: 23px; line-height: 1.2; white-space: normal; }
.english-site #scope .scope-solution-capabilities article { min-height: 360px; padding-inline: 24px; }
.english-site #scope .scope-list h3 { font-size: 25px; line-height: 1.25; }
.english-site #scope .scope-list p { font-size: 18px; line-height: 1.55; }
.english-site #practice .method-heading { grid-template-columns: 1.1fr 1fr; gap: 64px; }
.english-site #practice .method-heading h2 { letter-spacing: -.045em; }
.english-site #practice .method-rail h3 { min-height: 82px; font-size: 23px; line-height: 1.2; }
.english-site #practice .method-rail p { font-size: 18px; line-height: 1.55; }
.english-site .security-one-screen .security-intro h2 { letter-spacing: -.04em; line-height: 1.08; }
.english-site .security-one-screen .security-intro p { font-size: 18px; line-height: 1.6; }
.english-site .security-one-screen .security-process { gap: 32px; }
.english-site .security-one-screen .security-process article { justify-content: flex-start; }
.english-site .security-one-screen .security-process h3 { font-size: 23px; line-height: 1.2; }
.english-site .security-one-screen .security-process p { font-size: 17px; line-height: 1.55; }
.english-site .contact h2 { max-width: 1080px; }
.english-site .contact > p { max-width: 920px; font-size: 20px; line-height: 1.6; }
.english-site .contact .contact-visible-email { margin-top: 24px; font-size: 18px; }
.english-site .contact-visible-email a { text-decoration: underline; text-underline-offset: 5px; }
.english-site .contact-footer-description { max-width: 54%; font-size: 16px; line-height: 1.5; }
/* Two real public contact channels. No hidden form, QR code or staff controls. */
.english-site .consult-panel:not(.is-chat) { width: min(760px,calc(100vw - 48px)); }
.english-site .consult-widget.is-trigger-anchored .consult-panel:not(.is-chat) { right: clamp(24px,var(--consult-panel-right),max(24px,calc(100vw - 760px - 24px))); }
.english-site [data-consult-home] { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
.english-site [data-consult-home] .consult-panel-heading { padding-right: 64px; }
.english-site [data-consult-home] .consult-panel-heading h2 { font-size: 28px; }
.english-site [data-consult-home] .consult-channel { min-height: 260px; padding: 24px; }
.english-site [data-consult-home] .consult-advisor { gap: 14px; }
.english-site [data-consult-home] .consult-advisor img { width: 54px; height: 54px; flex-basis: 54px; }
.english-site [data-consult-home] .consult-channel strong { font-size: 23px; line-height: 1.2; }
.english-site .consult-channel-email { display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 22px; }
.english-site .consult-channel-email > span:last-child { font-size: 17px; overflow-wrap: anywhere; }
.english-site .consult-chat header > span { font-size: 16px; }
.english-site .consult-chat header [data-chat-back] { min-width: 54px; font-size: 14px; }
.english-site .consult-chat-privacy { font-size: 14px; line-height: 1.5; }
.english-site .advisor-identity em { font-size: 14px; }
.english-site .chat-send-hint { font-size: 14px; }
@media (max-width:680px) {
  /* Keep all five anchors available in a swipeable second navigation row. */
  .english-site .site-header { width: calc(100vw - 28px); padding: 10px 12px 6px; border-radius: 24px; row-gap: 5px; }
  .english-site .site-header nav { display: flex; grid-column: 1 / -1; grid-row: 2; width: 100%; gap: 22px; overflow-x: auto; scrollbar-width: none; }
  .english-site .site-header nav::-webkit-scrollbar { display: none; }
  .english-site .site-header nav a { font-size: 14px; padding-block: 9px 12px; }
  .english-site .nav-cta { min-width: 0; height: 40px; gap: 8px; padding-inline: 12px; font-size: 14px; }
  .english-site .site-header .brand small { font-size: 20px; }
  .english-site .header-language-popover { right: -190px; top: calc(100% + 52px); }
  .english-site #business, .english-site #expertise, .english-site #scope, .english-site #practice, .english-site #proof { scroll-margin-top: 142px; }
  .english-site .hero { min-height: 880px; padding: 150px 22px 58px; }
  .english-site .hero-copy { width: 100%; padding: 0; }
  .english-site .hero-visual::after { background: linear-gradient(180deg,rgba(247,248,246,.12) 0%,rgba(247,248,246,.88) 24%,#f7f8f6 58%,#f7f8f6 100%); }
  .english-site .hero h1 { font-size: clamp(44px,12vw,58px); line-height: 1.06; }
  .english-site .hero-lead { margin-top: 24px; font-size: 18px; line-height: 1.55; }
  .english-site .hero-actions { gap: 12px; margin-top: 26px; }
  .english-site .hero-actions .button { padding-inline: 14px; font-size: 16px; }
  .english-site .hero-clients { grid-template-columns: 1fr; gap: 20px; }
  .english-site .hero-clients > header { padding: 0; }
  .english-site .hero-clients > header p { max-width: 28em; }
  .english-site .hero-clients ul { grid-template-columns: repeat(4,minmax(0,1fr)); }
  .english-site .hero-clients .client-en { padding: 12px 6px; min-height: 72px; border-left: 0; }
  .english-site .client-wordmark { font-size: 16px; }
  .english-site .business-intro-title-row h2, .english-site .section-heading h2, .english-site .security-one-screen .security-intro h2, .english-site #practice .method-heading h2, .english-site .contact h2 { font-size: 36px; line-height: 1.1; }
  .english-site .business-intro-title-row > p, .english-site .section-heading > p { font-size: 18px; }
  .english-site .business-intro-card { width: 100%; min-width: 0; min-height: 340px; aspect-ratio: 1.05; height: auto; }
  .english-site .business-intro-copy h4 { font-size: 27px; }
  .english-site .business-intro .business-intro-copy p { font-size: 17px; }
  .english-site .expertise-grid { grid-template-columns: minmax(0,1fr); }
  .english-site .expertise-card { width: 100%; min-width: 0; min-height: 360px; aspect-ratio: 1.05; }
  .english-site .card-copy h3 { font-size: 27px; }
  .english-site .card-copy p { font-size: 17px; }
  .english-site #scope .scope-solution-heading { padding: 124px 20px 28px; }
  .english-site #scope .scope-solution-heading h2 { font-size: 34px; }
  .english-site #scope .scope-solution-label { min-height: 0; }
  .english-site #scope .scope-solution-capabilities article { min-height: 300px; padding-inline: 8px; }
  .english-site #scope .scope-solution-label h3 { font-size: 29px; }
  .english-site #scope .scope-solution-label h4 { font-size: 22px; }
  .english-site #scope .scope-list-heading { display: block; }
  .english-site #scope .scope-list-heading h3 { font-size: 30px; margin-bottom: 12px; }
  .english-site #scope .scope-list h3 { font-size: 23px; }
  .english-site #scope .scope-list p { font-size: 17px; }
  .english-site #practice .method-heading { grid-template-columns: 1fr; gap: 22px; }
  .english-site #practice .method-rail h3 { min-height: 0; font-size: 23px; }
  .english-site #practice .method-rail p { font-size: 17px; }
  .english-site .contact > p { font-size: 18px; }
  .english-site .contact-footer-description { max-width: 100%; }
  .english-site .consult-panel:not(.is-chat), .english-site .consult-widget.is-trigger-anchored .consult-panel:not(.is-chat) { width: calc(100vw - 28px); right: 14px; }
  .english-site [data-consult-home] { grid-template-columns: 1fr; }
  .english-site [data-consult-home] .consult-channel { min-height: 0; padding: 18px; gap: 14px; }
  .english-site [data-consult-home] .consult-panel-heading h2 { font-size: 24px; }
  /* 两行标题栏给英文全称留出独立位置，避免与返回/关闭按钮重叠。 */
  .english-site .consult-widget.is-trigger-anchored .consult-panel.is-chat { right: 14px; }
  .english-site .consult-chat header { position: relative; flex-basis: 92px; height: 92px; padding: 48px 12px 12px; }
  .english-site .consult-chat header > span { max-width: none; line-height: 1.3; }
  .english-site .consult-chat header [data-chat-back] { position: absolute; top: 10px; left: 12px; }
  .english-site .consult-panel.is-chat [data-consult-close] { top: 10px; right: 12px; }
  .english-site .advisor-identity { flex-wrap: wrap; }
  .english-site .consult-chat-messages { padding-inline: 16px 20px; }
  .english-site .consult-chat-scrollbar { top: 104px; }
}
@media (max-width:380px) {
  .english-site .nav-cta .go-mark { display: none; }
  .english-site .site-header .brand small { font-size: 18px; }
  .english-site .header-language-popover { right: -142px; }
  .english-site .hero { padding-inline: 16px; min-height: 940px; }
  .english-site .hero h1 { font-size: 44px; }
  .english-site .hero-actions .button { padding-inline: 10px; }
}