/* Lei Jin / a small, dependency-free, mobile-first brand website. */
:root {
  --paper: #fbfaf7;
  --surface: #f0eee7;
  --white: #ffffff;
  --ink: #26392f;
  --body: #4f5750;
  --muted: #636b61;
  --green: #344c3d;
  --green-hover: #233b2c;
  --line: #d9ddd3;
  --clay: #8a624b;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --serif: Georgia, 'Times New Roman', serif;
  --max: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 102px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font); font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 4px; }
a, button { -webkit-tap-highlight-color: transparent; }
button { font: inherit; color: inherit; }
button, a { touch-action: manipulation; }
button { cursor: pointer; }
button:disabled { cursor: default; }
button, input, a { outline-offset: 5px; }
:focus-visible { outline: 3px solid var(--clay); }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { font-weight: 500; }
::selection { color: var(--ink); background: #dde5d7; }
.wrap { width: min(var(--max), calc(100% - 112px)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 12px; left: 12px; z-index: 100; transform: translateY(-150%); background: var(--green); color: white; padding: 12px 18px; }
.skip-link:focus { transform: translateY(0); }
.icon { width: 20px; height: 20px; flex: 0 0 auto; stroke: currentColor; stroke-width: 1.5; fill: none; stroke-linecap: round; stroke-linejoin: round; vertical-align: middle; }
.eyebrow { display: flex; align-items: center; gap: 12px; font-size: 12px; line-height: 1.4; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
.eyebrow::before { content: ''; display: block; width: 30px; height: 1px; background: currentColor; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 24px; min-height: 54px; padding: 14px 24px; background: var(--green); color: var(--white); border: 1px solid var(--green); border-radius: 3px; text-decoration: none; font-size: 14px; font-weight: 500; line-height: 1.5; transition: background .2s, transform .2s; }
.button:hover { background: var(--green-hover); transform: translateY(-2px); }
.button.secondary { color: var(--ink); background: transparent; border-color: var(--line); }
.button.secondary:hover { background: var(--surface); }
.text-link { display: inline-flex; gap: 16px; align-items: center; padding-block: 10px; font-size: 14px; font-weight: 500; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.text-link .icon, .button .icon { width: 18px; height: 18px; }
.site-header { background: rgba(251,250,247,.97); border-bottom: 1px solid var(--line); position: sticky; z-index: 30; top: 0; }
.header-inner { min-height: 94px; display: flex; align-items: center; justify-content: space-between; gap: 32px; }
.brand { display: inline-flex; align-items: center; gap: 13px; text-decoration: none; flex: 0 0 auto; }
.brand-mark { width: 43px; height: 43px; border: 1px solid var(--green); border-radius: 2px; display: grid; place-content: center; font-size: 22px; font-family: var(--serif); letter-spacing: -.08em; padding-right: 2px; }
.brand-name { display: block; font-size: 21px; line-height: 1.15; letter-spacing: .13em; font-weight: 600; }
.brand-subtitle { display: block; margin-top: 6px; font-size: 11px; color: var(--muted); line-height: 1.3; }
.desktop-nav { display: flex; gap: 28px; align-items: center; }
.desktop-nav a { font-size: 13px; text-decoration: none; padding-block: 12px; }
.desktop-nav a:hover { color: var(--clay); }
.header-actions { display: flex; align-items: center; gap: 22px; }
.language-link { font-size: 13px; text-decoration: none; padding: 10px 4px; }
.language-link:hover { text-decoration: underline; }
.header-contact { display: inline-flex; align-items: center; justify-content: center; gap: 12px; background: var(--green); color: white; padding: 10px 18px; min-height: 42px; font-size: 13px; border-radius: 3px; text-decoration: none; }
.header-contact:hover { background: var(--green-hover); }
.menu-toggle { display: none; border: 1px solid var(--line); border-radius: 3px; background: transparent; width: 44px; height: 44px; align-items: center; justify-content: center; }
.mobile-nav { border-top: 1px solid var(--line); padding: 14px 24px 22px; }
.mobile-nav[hidden] { display: none; }
.mobile-nav a { display: block; padding: 10px 0; text-decoration: none; }
.hero { padding: 62px 0 60px; }
.hero-grid { display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 70px; }
.hero-copy { padding-block: 16px 18px; }
.hero h1 { margin-top: 31px; font-size: clamp(48px, 5.8vw, 79px); letter-spacing: -.06em; line-height: 1.08; font-weight: 500; }
.hero h1 em { display: block; font-family: var(--serif); font-size: .99em; font-weight: 400; letter-spacing: -.055em; }
.hero-intro { max-width: 430px; margin-top: 27px; font-size: 18px; line-height: 1.8; color: var(--body); }
.hero-actions { margin-top: 30px; display: flex; gap: 27px; align-items: center; flex-wrap: wrap; }
.hero-reassurance { margin-top: 16px; color: var(--muted); font-size: 12px; }
.hero-languages { display: flex; align-items: center; gap: 12px; margin-top: 40px; font-size: 12px; color: var(--muted); }
.hero-languages .icon { width: 17px; height: 17px; }
.hero-languages .divider { height: 12px; width: 1px; background: var(--line); }
.hero-visual { position: relative; padding: 0 0 20px 12px; margin-left: 8px; }
.hero-visual::after { content: ''; position: absolute; top: 24px; right: -18px; bottom: 0; left: 40px; background: #eae8e0; z-index: -1; border-radius: 140px 5px 5px 5px; }
.hero-photo { width: 100%; height: 570px; object-fit: cover; object-position: 50% 43%; border-radius: 132px 5px 5px 5px; }
.portrait-caption { position: absolute; left: -22px; bottom: 42px; background: var(--paper); border: 1px solid #e4e4da; padding: 16px 24px; min-width: 280px; border-radius: 3px; box-shadow: 0 8px 28px #142a1410; }
.portrait-caption strong { display: block; font-weight: 500; font-size: 24px; letter-spacing: -.025em; line-height: 1.25; }
.portrait-caption span { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; }
.region-ribbon { background: var(--green); color: white; }
.ribbon-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; padding-block: 28px; }
.ribbon-item { display: flex; justify-content: center; align-items: center; gap: 13px; padding: 4px 16px; border-right: 1px solid #ffffff30; }
.ribbon-item:first-child { justify-content: flex-start; padding-left: 0; }
.ribbon-item:last-child { justify-content: flex-end; padding-right: 0; border-right: 0; }
.ribbon-item .icon { width: 18px; height: 18px; color: #d3dccb; }
.ribbon-item span { font-size: 13px; letter-spacing: .045em; }
.section { padding-block: 96px; }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 48px; margin-bottom: 45px; }
.section h2 { margin-top: 20px; font-size: clamp(32px, 3.5vw, 47px); letter-spacing: -.045em; line-height: 1.15; }
.section-intro { max-width: 330px; font-size: 15px; color: var(--body); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.service-card { padding: 30px 30px 24px; border: 1px solid var(--line); border-radius: 4px; display: flex; flex-direction: column; transition: border-color .2s, background .2s; }
.service-card:hover { border-color: #9ba895; background: #f7f6f0; }
.service-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 30px; }
.service-number { font-family: var(--serif); font-size: 16px; color: var(--clay); }
.service-icon { width: 42px; height: 42px; background: #ecefe6; border-radius: 50%; display: grid; place-content: center; }
.service-icon .icon { width: 23px; height: 23px; }
.service-label { color: var(--muted); font-size: 11px; letter-spacing: .15em; text-transform: uppercase; }
.service-card h3 { margin-top: 10px; font-size: 26px; letter-spacing: -.035em; line-height: 1.2; }
.service-card p { margin-top: 17px; font-size: 14px; color: var(--body); line-height: 1.8; flex-grow: 1; }
.service-card .text-link { margin-top: 23px; padding-top: 18px; border-top: 1px solid var(--line); justify-content: space-between; }
.about-section { background: var(--surface); }
.about-grid { display: grid; grid-template-columns: .95fr 1.15fr; gap: 108px; align-items: start; }
.about-statement { margin-top: 23px; font-size: clamp(34px, 4vw, 52px); line-height: 1.15; letter-spacing: -.045em; }
.about-statement em { font-family: var(--serif); font-weight: 400; }
.about-signature { margin-top: 28px; padding-top: 24px; border-top: 1px solid #d3d7ca; display: flex; gap: 16px; align-items: center; }
.about-signature img { width: 58px; height: 58px; border-radius: 50%; object-fit: cover; object-position: 50% 24%; }
.about-signature strong { font-size: 15px; font-weight: 500; }
.about-signature span { display: block; color: var(--body); font-size: 12px; margin-top: 2px; }
.about-text { font-size: 16px; color: var(--body); line-height: 1.9; }
.about-text p + p { margin-top: 17px; }
.principles { margin-top: 28px; }
.principle { display: flex; gap: 18px; border-top: 1px solid #d3d7ca; padding-block: 19px; }
.principle:last-child { padding-bottom: 0; }
.principle .icon { margin-top: 4px; color: var(--green); }
.principle strong { font-weight: 500; font-size: 16px; }
.principle p { font-size: 14px; color: var(--body); margin-top: 4px; }
.area-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.area-card { border-top: 1px solid var(--green); padding-top: 22px; }
.area-kicker { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--muted); letter-spacing: .05em; }
.area-card h3 { font-size: 24px; letter-spacing: -.025em; margin-top: 12px; }
.area-card p { color: var(--body); font-size: 14px; margin-top: 16px; line-height: 1.95; }
.area-note { font-size: 13px; color: var(--muted); margin-top: 30px; }
.profile-band { display: grid; grid-template-columns: 1.1fr 1fr; gap: 60px; align-items: center; background: #eeefe8; border: 1px solid var(--line); padding: 36px 42px; border-radius: 4px; margin-top: 58px; }
.profile-band h3 { font-size: 25px; letter-spacing: -.025em; }
.profile-band p { font-size: 14px; color: var(--body); margin-top: 8px; }
.profile-links { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.profile-links a { min-height: 60px; background: var(--paper); border: 1px solid var(--line); border-radius: 3px; padding: 12px 18px; display: flex; align-items: center; justify-content: space-between; gap: 12px; text-decoration: none; font-size: 16px; }
.profile-links a:hover { border-color: var(--green); }
.contact-section { background: var(--green); color: white; padding-block: 78px; }
.contact-grid { display: grid; grid-template-columns: 1.05fr 1fr; gap: 100px; align-items: start; }
.contact-section .eyebrow { color: #d7e0d0; }
.contact-section h2 { margin-top: 22px; font-size: clamp(34px,4vw,52px); line-height: 1.13; letter-spacing: -.04em; }
.contact-section h2 em { font-family: var(--serif); font-weight: 400; }
.contact-intro { font-size: 15px; line-height: 1.85; color: #e0e6dc; margin-top: 24px; max-width: 390px; }
.contact-details { padding-top: 4px; }
.contact-label { font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: #d2decb; }
.contact-phone { font-size: clamp(29px,3vw,40px); font-weight: 400; letter-spacing: -.04em; display: inline-block; text-decoration: none; margin-top: 7px; }
.contact-phone:hover { text-decoration: underline; }
.contact-email { font-size: 18px; text-decoration: none; display: inline-block; margin-top: 9px; word-break: break-word; }
.contact-email:hover { text-decoration: underline; }
.contact-buttons { display: flex; gap: 13px; margin-top: 29px; flex-wrap: wrap; }
.contact-buttons .button { color: var(--ink); background: var(--paper); border-color: var(--paper); min-height: 49px; padding: 12px 22px; gap: 18px; }
.contact-buttons .button:hover { background: #e6eadf; }
.contact-buttons .button.secondary { color: white; background: transparent; border-color: #a7b49f; }
.contact-buttons .button.secondary:hover { background: #ffffff10; }
.contact-save { display: inline-flex; align-items: center; gap: 10px; font-size: 12px; margin-top: 22px; text-decoration: none; color: #e0e6dc; padding-block: 7px; }
.contact-save:hover { text-decoration: underline; }
.contact-save .icon { width: 17px; height: 17px; }
.site-footer { padding-block: 38px 26px; }
.footer-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 35px; }
.footer-name { font-size: 17px; letter-spacing: .02em; font-weight: 500; }
.footer-credentials { color: var(--body); font-size: 12px; margin-top: 5px; }
.footer-credentials strong { font-weight: 500; }
.footer-note { max-width: 420px; font-size: 12px; color: var(--muted); line-height: 1.8; }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 21px; margin-top: 28px; display: flex; justify-content: space-between; align-items: center; gap: 20px; color: var(--muted); font-size: 11px; }
.footer-links { display: flex; align-items: center; gap: 24px; }
.footer-links a { text-decoration: none; }
.footer-links a:hover { text-decoration: underline; }
.eho { display: inline-flex; align-items: center; gap: 7px; }
.eho .icon { width: 18px; height: 18px; }
.mobile-contact-bar { display: none; }
.legal { padding-block: 68px 86px; max-width: 760px; }
.legal h1 { font-size: clamp(36px,5vw,54px); letter-spacing: -.04em; line-height: 1.15; margin-top: 24px; }
.legal .updated { color: var(--muted); font-size: 13px; margin-top: 16px; }
.legal h2 { margin-top: 32px; font-size: 23px; line-height: 1.3; }
.legal p { color: var(--body); margin-top: 14px; }
.legal .button { margin-top: 30px; }
.error-page { min-height: 62vh; display: grid; align-content: center; text-align: center; gap: 20px; padding-block: 80px; }
.error-page .eyebrow { justify-content: center; }
.error-page h1 { font-size: clamp(34px,5vw,56px); line-height: 1.15; letter-spacing: -.04em; }
.error-page p { max-width: 550px; margin-inline: auto; color: var(--body); }
.error-page .button { justify-self: center; }
html[lang='zh-Hans'] .hero h1 { font-size: clamp(46px,5.1vw,67px); line-height: 1.3; letter-spacing: -.04em; }
html[lang='zh-Hans'] .hero h1 em, html[lang='zh-Hans'] .about-statement em, html[lang='zh-Hans'] .contact-section h2 em { font-family: var(--font); font-style: normal; font-weight: 400; }
html[lang='zh-Hans'] h2, html[lang='zh-Hans'] .about-statement { line-height: 1.4; }
html[lang='zh-Hans'] .hero-intro { line-height: 1.95; }
@media (min-width: 1600px) { .hero { padding-block: 72px; } }
@media (max-width: 1150px) {
  .wrap { width: calc(100% - 80px); }
  .desktop-nav { gap: 19px; }
  .header-actions { gap: 14px; }
  .header-inner { gap: 24px; }
  .hero-grid { gap: 48px; grid-template-columns: 1.2fr 1fr; }
  .hero h1 { font-size: 64px; }
  .hero-photo { height: 524px; }
  .hero-actions { gap: 18px; }
  .hero-actions .button { gap: 14px; padding-inline: 19px; }
  .about-grid { gap: 65px; }
  .contact-grid { gap: 62px; }
  .profile-band { padding: 30px; gap: 35px; }
  .service-card { padding: 25px; }
}
@media (max-width: 960px) {
  .wrap { width: calc(100% - 56px); }
  .desktop-nav { display: none; }
  .header-inner { min-height: 80px; }
  .menu-toggle { display: inline-flex; }
  .header-contact { display: none; }
  .hero { padding-block: 48px; }
  .hero-grid { gap: 35px; }
  .hero h1 { font-size: 54px; }
  .hero-intro { font-size: 16px; }
  .hero-photo { height: 500px; border-top-left-radius: 110px; }
  .hero-visual { margin-left: 0; }
  .portrait-caption { min-width: 245px; left: -15px; padding: 14px 19px; }
  .portrait-caption strong { font-size: 21px; }
  .hero-languages { margin-top: 26px; }
  .hero-actions { gap: 10px 20px; margin-top: 22px; }
  .hero .eyebrow { font-size: 10px; letter-spacing: .13em; }
  .section { padding-block: 74px; }
  .section-head { gap: 32px; }
  .section-intro { max-width: 280px; font-size: 14px; }
  .services-grid { gap: 15px; }
  .service-card { padding: 22px; }
  .service-card h3 { font-size: 23px; }
  .service-card .text-link { font-size: 13px; }
  .about-grid { gap: 46px; }
  .about-text { font-size: 15px; }
  .about-statement { font-size: 41px; }
  .area-card h3 { font-size: 22px; }
  .profile-band { grid-template-columns: 1fr; gap: 23px; }
  .profile-links { max-width: 440px; }
  .contact-grid { gap: 42px; }
  .contact-buttons { gap: 10px; }
  .contact-buttons .button { padding: 12px 18px; }
  html[lang='zh-Hans'] .hero h1 { font-size: 48px; }
}
@media (max-width: 720px) {
  html { scroll-padding-top: 85px; }
  .wrap { width: calc(100% - 44px); }
  .header-inner { min-height: 76px; gap: 10px; }
  .brand-mark { width: 37px; height: 37px; font-size: 20px; }
  .brand { gap: 10px; }
  .brand-name { font-size: 19px; }
  .brand-subtitle { font-size: 10px; margin-top: 4px; }
  .header-actions { gap: 14px; }
  .language-link { font-size: 12px; }
  .menu-toggle { width: 40px; height: 40px; }
  .hero { padding: 36px 0 40px; }
  .hero-grid { grid-template-columns: 1fr; gap: 34px; }
  .hero-copy { padding: 0; }
  .hero .eyebrow { font-size: 10px; letter-spacing: .12em; }
  .hero h1 { font-size: clamp(43px,9.4vw,65px); margin-top: 22px; line-height: 1.1; }
  .hero-intro { font-size: 16px; margin-top: 21px; line-height: 1.8; max-width: 480px; }
  .hero-actions { margin-top: 24px; gap: 12px 18px; }
  .hero-actions .text-link { font-size: 13px; gap: 10px; }
  .hero-actions .button { padding-inline: 20px; min-height: 51px; }
  .hero-reassurance { margin-top: 13px; font-size: 11px; }
  .hero-languages { margin-top: 23px; font-size: 11px; gap: 10px; }
  .hero-visual { margin: 0 12px 0 10px; padding-left: 5px; }
  .hero-visual::after { right: -12px; left: 26px; top: 17px; }
  .hero-photo { height: 440px; border-top-left-radius: 110px; object-position: 50% 39%; }
  .portrait-caption { left: -10px; bottom: 36px; padding: 13px 21px; min-width: 250px; }
  .portrait-caption strong { font-size: 23px; }
  .portrait-caption span { font-size: 12px; }
  .ribbon-grid { grid-template-columns: 1fr; padding-block: 17px; gap: 11px; }
  .ribbon-item, .ribbon-item:first-child, .ribbon-item:last-child { justify-content: flex-start; padding: 0; border: 0; gap: 10px; }
  .ribbon-item span { font-size: 12px; letter-spacing: .05em; }
  .ribbon-item .icon { width: 16px; height: 16px; }
  .section { padding-block: 56px; }
  .section-head { display: block; margin-bottom: 30px; }
  .section h2 { font-size: 34px; line-height: 1.18; margin-top: 17px; }
  .section-intro { max-width: 100%; margin-top: 21px; font-size: 15px; }
  .eyebrow { font-size: 10px; }
  .services-grid { grid-template-columns: 1fr; gap: 15px; }
  .service-card { padding: 26px; }
  .service-top { margin-bottom: 22px; }
  .service-card h3 { font-size: 27px; }
  .service-card p { font-size: 15px; margin-top: 15px; }
  .service-card .text-link { font-size: 14px; margin-top: 18px; }
  .about-grid { grid-template-columns: 1fr; gap: 30px; }
  .about-statement { font-size: 39px; }
  .about-signature { margin-top: 25px; padding-top: 22px; }
  .about-text { font-size: 15px; }
  .principle { padding-block: 18px; }
  .area-grid { grid-template-columns: 1fr; gap: 30px; }
  .area-card h3 { font-size: 25px; }
  .area-card p { font-size: 15px; margin-top: 11px; }
  .area-note { font-size: 12px; }
  .profile-band { padding: 25px; margin-top: 36px; }
  .profile-band h3 { font-size: 25px; }
  .profile-links { grid-template-columns: 1fr; gap: 10px; }
  .profile-links a { min-height: 55px; }
  .contact-section { padding-block: 53px; }
  .contact-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-section h2 { font-size: 38px; }
  .contact-intro { margin-top: 21px; }
  .contact-details { border-top: 1px solid #ffffff30; padding-top: 26px; }
  .contact-phone { font-size: 36px; }
  .contact-email { font-size: 17px; }
  .contact-buttons { margin-top: 23px; }
  .site-footer { padding: 30px 0 104px; }
  .footer-top { flex-direction: column; gap: 20px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 16px; margin-top: 24px; }
  .footer-links { flex-wrap: wrap; gap: 13px 22px; }
  .mobile-contact-bar { position: fixed; z-index: 40; bottom: 0; left: 0; width: 100%; display: flex; align-items: center; background: var(--paper); border-top: 1px solid var(--line); padding: 10px 18px max(10px, env(safe-area-inset-bottom)); gap: 11px; box-shadow: 0 -3px 20px #2435280a; }
  .mobile-contact-bar a { flex: 1; display: flex; align-items: center; justify-content: center; gap: 9px; text-decoration: none; min-height: 44px; font-size: 13px; border-radius: 3px; border: 1px solid var(--green); }
  .mobile-contact-bar a:first-child { background: var(--green); color: white; }
  .mobile-contact-bar .icon { width: 17px; height: 17px; }
  .legal { padding-block: 43px 60px; }
  .legal h1 { font-size: 37px; }
  .legal h2 { font-size: 23px; }
  html[lang='zh-Hans'] .hero h1 { font-size: clamp(39px,8.6vw,55px); line-height: 1.4; }
  html[lang='zh-Hans'] .section h2 { font-size: 32px; }
  html[lang='zh-Hans'] .about-statement { font-size: 34px; }
}
@media (max-width: 359px) {
  .wrap { width: calc(100% - 36px); }
  .brand-subtitle { font-size: 9px; }
  .brand { gap: 8px; }
  .brand-mark { width: 32px; height: 35px; }
  .brand-name { font-size: 17px; }
  .header-actions { gap: 9px; }
  .hero h1 { font-size: 39px; }
  .hero-actions { gap: 12px; }
  .hero-actions .button { padding: 13px 15px; gap: 11px; }
  .hero-actions .text-link { font-size: 13px; gap: 10px; }
  .hero-photo { height: 395px; }
  .contact-email { font-size: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}
@media print {
  body { color: #000; background: #fff; }
  .site-header { position: static; }
  .desktop-nav, .header-actions, .mobile-contact-bar, .mobile-nav, .hero-actions, .contact-buttons, .contact-save { display: none !important; }
  .wrap { width: 100%; }
  .hero { padding-block: 25px; }
  .hero-photo { height: 380px; }
  .section { padding-block: 25px; }
  .contact-section { color: #000; background: #fff; border-block: 1px solid #bbb; }
  .contact-section .eyebrow, .contact-intro, .contact-label { color: #333; }
  .site-footer { padding-bottom: 15px; }
}
/* Preserve the HTML hidden attribute regardless of responsive display rules. */
[hidden] { display: none !important; }


/* V2: quietly visible WeChat contact, with an accessible on-demand dialog. */
.headline-line { display: block; white-space: nowrap; }
.hero-actions .wechat-trigger { gap: 10px; }
.hero-actions .wechat-trigger .icon { width: 20px; height: 20px; }
.contact-grid { grid-template-columns: minmax(0, 1.05fr) minmax(290px, 1fr) 246px; gap: 42px; }
.contact-grid > * { min-width: 0; }
.contact-section h2 { font-size: clamp(33px, 3.15vw, 46px); }
.contact-phone { font-size: clamp(29px, 2.8vw, 38px); }
.contact-email { font-size: 16px; }
.contact-wechat { width: 246px; margin: 0; padding: 20px 18px 13px; color: var(--ink); background: var(--paper); border: 1px solid #e2e6dc; border-radius: 6px; text-align: center; scroll-margin-top: 112px; }
.contact-wechat h3 { display: flex; align-items: center; justify-content: center; gap: 8px; font-size: 16px; font-weight: 500; line-height: 1.4; }
.contact-wechat h3 .icon { width: 21px; height: 21px; }
.wechat-card-intro { margin-top: 8px; font-size: 12px; color: var(--body); line-height: 1.65; }
.wechat-qr-link { display: block; margin: 13px auto 4px; background: #fff; border-radius: 3px; }
.wechat-qr-link img { width: 100%; height: auto; border-radius: 3px; }
.wechat-card-action { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; font-size: 12px; color: var(--green); text-decoration: none; }
.wechat-card-action:hover { text-decoration: underline; }
.wechat-card-action .icon { width: 16px; height: 16px; }
html.wechat-is-open { overflow: hidden; }
.wechat-dialog { width: min(470px, calc(100% - 28px)); max-width: none; max-height: calc(100vh - 28px); max-height: calc(100dvh - 28px); padding: 0; margin: auto; color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 25px 90px #0b1e2e44; overflow: auto; overscroll-behavior: contain; }
.wechat-dialog:not([open]) { display: none; }
.wechat-dialog::backdrop { background: rgba(18, 30, 23, .62); backdrop-filter: blur(3px); }
.wechat-dialog-panel { position: relative; padding: 28px 30px 24px; text-align: center; }
.wechat-close { position: absolute; top: 10px; right: 10px; display: grid; place-content: center; width: 44px; height: 44px; border: 0; border-radius: 50%; background: transparent; }
.wechat-close:hover { background: var(--surface); }
.wechat-dialog-icon { display: grid; place-content: center; width: 44px; height: 44px; margin: 0 auto 12px; background: #e8eee4; color: var(--green); border-radius: 50%; }
.wechat-dialog-icon .icon { width: 25px; height: 25px; }
.wechat-dialog h2 { margin: 0; font-size: 26px; font-weight: 500; line-height: 1.4; letter-spacing: -.02em; }
#wechat-dialog-description { margin-top: 9px; font-size: 14px; line-height: 1.75; color: var(--body); }
.wechat-profile-name { margin: 18px 0 10px; font-size: 12px; color: var(--muted); }
.wechat-dialog-qr { width: min(280px, 100%); height: auto; margin: 0 auto; border-radius: 4px; background: #fff; }
.wechat-scan-note { margin-top: 10px; color: var(--ink); font-size: 13px; }
.wechat-mobile-help { margin: 9px auto 0; font-size: 12px; line-height: 1.75; max-width: 340px; color: var(--body); }
.wechat-dialog-actions { display: flex; justify-content: center; align-items: stretch; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.wechat-dialog-actions .button { font-size: 13px; min-height: 46px; padding: 11px 15px; gap: 8px; }
.wechat-save-help { margin-top: 12px; font-size: 11px; color: var(--muted); line-height: 1.65; }
@media (max-width: 1150px) {
  .contact-grid { grid-template-columns: minmax(0, 1fr) 246px; gap: 32px 50px; }
  .contact-intro-block { grid-column: 1 / -1; max-width: 650px; }
  .contact-intro { max-width: 550px; }
  .contact-section h2 { font-size: 42px; }
  .contact-phone { font-size: 38px; }
  .contact-email { font-size: 18px; }
}
@media (max-width: 720px) {
  .contact-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .contact-intro-block { grid-column: auto; }
  .contact-section h2 { font-size: 38px; }
  .contact-wechat { width: min(280px, 100%); justify-self: start; padding: 22px 24px 13px; scroll-margin-top: 95px; }
  .contact-email { font-size: 17px; }
  .wechat-dialog-panel { padding: 24px 20px 20px; }
  .wechat-dialog h2 { font-size: 24px; }
  .wechat-dialog-qr { width: min(256px, 100%); }
  .wechat-dialog-icon { margin-bottom: 10px; }
  .wechat-profile-name { margin-top: 14px; }
  .wechat-dialog-actions { gap: 8px; margin-top: 17px; }
  .wechat-dialog-actions .button { font-size: 12px; padding-inline: 12px; }
}
@media (max-width: 359px) {
  .wechat-dialog-panel { padding-inline: 16px; }
  .wechat-dialog h2 { font-size: 22px; }
  .wechat-dialog-qr { width: 220px; }
  .wechat-dialog-actions .button { gap: 6px; padding-inline: 10px; }
}
@media print {
  .wechat-dialog { display: none !important; }
  .contact-grid { grid-template-columns: minmax(0, 1fr) 225px; gap: 22px; }
  .contact-intro-block { grid-column: 1 / -1; }
  .contact-wechat { width: 225px; border-color: #aaa; break-inside: avoid; }
  .wechat-card-action { display: none; }
}