:root {
  --blue: #2167d5;
  --blue-dark: #174fae;
  --teal: #12a594;
  --coral: #f36f56;
  --gold: #d9a441;
  --ink: #151e2b;
  --text: #263244;
  --muted: #718095;
  --line: #e7ebf0;
  --surface: #f5f7fa;
  --container: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; color: var(--text); background: #fff; font-family: "PingFang SC", "Microsoft YaHei UI", "Microsoft YaHei", Arial, sans-serif; font-size: 14px; letter-spacing: 0; }
button, input, textarea { font: inherit; letter-spacing: 0; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, p { margin: 0; font-weight: 400; }
.container { width: min(var(--container), calc(100% - 48px)); margin: 0 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; }

.site-header { position: fixed; z-index: 50; top: 0; right: 0; left: 0; height: 72px; color: #fff; background: rgba(10, 17, 27, .2); border-bottom: 1px solid rgba(255,255,255,.12); transition: background-color .25s ease, box-shadow .25s ease, color .25s ease; }
.site-header.scrolled, .site-header.menu-open { color: var(--ink); background: rgba(255,255,255,.97); border-bottom-color: transparent; box-shadow: 0 8px 28px rgba(21,30,43,.09); }
.nav-wrap { display: flex; align-items: center; height: 72px; padding: 0 8px; }
.brand { display: flex; align-items: center; gap: 11px; min-width: 190px; margin-right: auto; color: inherit; }
.brand-symbol { position: relative; display: inline-flex; align-items: center; justify-content: center; width: 42px; height: 42px; flex: 0 0 42px; border: 1px solid currentColor; color: inherit; }
.brand-symbol::after { content: ""; position: absolute; right: -4px; bottom: -4px; width: 12px; height: 12px; background: var(--teal); }
.brand-symbol i, .brand-symbol b { font-style: normal; font-size: 14px; font-weight: 700; line-height: 1; }
.brand-symbol b { margin-left: -2px; color: var(--coral); }
.brand-name { display: flex; flex-direction: column; font-size: 19px; font-weight: 650; line-height: 1.15; }
.brand-name small { margin-top: 3px; font-size: 9px; font-weight: 500; opacity: .65; }
.main-nav { display: flex; align-items: center; gap: 6px; height: 100%; }
.main-nav a { position: relative; display: flex; align-items: center; height: 100%; padding: 0 18px; font-size: 15px; font-weight: 500; }
.main-nav a::after { content: ""; position: absolute; right: 18px; bottom: 0; left: 18px; height: 3px; background: var(--coral); opacity: 0; transform: scaleX(.35); transition: .2s ease; }
.main-nav a:hover::after, .main-nav a:focus-visible::after { opacity: 1; transform: scaleX(1); }
.menu-toggle { display: none; width: 42px; height: 42px; padding: 10px; border: 0; color: inherit; background: transparent; }
.menu-toggle span { display: block; height: 2px; margin: 5px 0; background: currentColor; }

.hero { position: relative; min-height: 540px; height: calc(100svh - 90px); max-height: 650px; color: #fff; background: #111a27 url("./assets/section-dark.png?v=20260917-2") center / cover no-repeat; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; background: rgba(10,18,29,.42); }
.hero::after { content: ""; position: absolute; top: 72px; right: max(6vw, 60px); width: 1px; height: calc(100% - 72px); background: rgba(255,255,255,.14); }
.hero-content { position: relative; z-index: 1; display: flex; justify-content: center; flex-direction: column; height: 100%; padding-top: 72px; }
.hero-kicker { display: flex; align-items: center; gap: 11px; color: #b8c5d8; font-size: 14px; font-weight: 600; }
.hero-kicker span { width: 34px; height: 2px; background: var(--coral); }
.hero h1 { margin-top: 18px; font-size: 64px; font-weight: 650; line-height: 1.1; }
.hero-lead { margin-top: 18px; font-size: 27px; color: #f4f7fb; }
.hero-description { max-width: 620px; margin-top: 20px; color: #b8c5d8; font-size: 17px; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 32px; }
.primary-button { display: inline-flex; align-items: center; justify-content: center; min-width: 172px; min-height: 48px; padding: 0 24px; border-radius: 4px; color: #fff; background: var(--blue); font-size: 15px; font-weight: 600; transition: transform .2s ease, background-color .2s ease, box-shadow .2s ease; }
.primary-button:hover { transform: translateY(-2px); background: var(--blue-dark); box-shadow: 0 10px 24px rgba(20,72,155,.3); }
.text-button { padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.45); color: #fff; font-size: 15px; }
.text-button span { margin-left: 8px; color: var(--coral); }
.hero-highlights { position: absolute; right: 0; bottom: 38px; display: grid; grid-template-columns: repeat(3, 155px); border-top: 1px solid rgba(255,255,255,.14); }
.hero-highlights li { padding: 18px 0 0 22px; border-left: 1px solid rgba(255,255,255,.14); }
.hero-highlights strong, .hero-highlights span { display: block; }
.hero-highlights strong { margin-bottom: 7px; color: #fff; font-size: 16px; }
.hero-highlights span { color: #9eacbf; font-size: 12px; }

.section-heading { padding: 82px 0 46px; text-align: center; }
.section-heading .eyebrow, .eyebrow { margin-bottom: 13px; color: var(--teal); font-size: 12px; font-weight: 700; }
.section-heading h2 { color: var(--ink); font-size: 34px; font-weight: 600; line-height: 1.35; }
.section-heading > p:last-child { margin-top: 13px; color: var(--muted); font-size: 16px; }
.section-heading.light h2 { color: #fff; }
.section-heading.light > p:last-child { color: #aab7c9; }
.section-heading.compact { padding-bottom: 38px; }

.solutions { background: #fff url("./assets/section-light.png?v=20260917-2") center top / 100% auto no-repeat; }
.solution-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: stretch; }
.solution-card { overflow: hidden; border: 1px solid var(--line); border-radius: 6px; background: #fff; box-shadow: 0 15px 45px rgba(24,44,74,.07); transition: transform .25s ease, box-shadow .25s ease; }
.solution-card:hover { transform: translateY(-6px); box-shadow: 0 22px 56px rgba(24,44,74,.13); }
.solution-card.featured { border-top: 3px solid var(--teal); }
.solution-visual { position: relative; height: 130px; overflow: hidden; background: var(--blue); }
.solution-visual img { width: 100%; height: 100%; object-fit: cover; }
.solution-visual span { position: absolute; right: 14px; bottom: -8px; color: rgba(255,255,255,.24); font-size: 48px; font-weight: 700; }
.solution-card-body { padding: 26px 25px 30px; }
.solution-card h3 { color: var(--ink); font-size: 21px; font-weight: 650; }
.solution-summary { min-height: 48px; margin-top: 10px; color: var(--muted); line-height: 1.65; }
.solution-card ul { margin-top: 23px; padding-top: 21px; border-top: 1px solid var(--line); }
.solution-card li { position: relative; padding: 0 0 13px 17px; color: #48566a; font-size: 14px; line-height: 1.55; }
.solution-card li::before { content: ""; position: absolute; top: 8px; left: 0; width: 5px; height: 5px; background: var(--teal); }
.solution-action { padding: 38px 0 70px; text-align: center; }
.solution-action p { padding-top: 10px; color: var(--muted); }

.industries { min-height: 690px; color: #fff; background: #171d27 url("./assets/section-dark.png?v=20260917-2") center / cover no-repeat; }
.industry-tabs { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0 auto 48px; border: 1px solid rgba(255,255,255,.17); }
.industry-tabs button { min-height: 56px; border: 0; border-left: 1px solid rgba(255,255,255,.17); color: #d6deea; background: rgba(255,255,255,.03); font-size: 16px; cursor: pointer; transition: background-color .2s ease, color .2s ease; }
.industry-tabs button:first-child { border-left: 0; }
.industry-tabs button.active { color: #fff; background: var(--blue); }
.industry-copy { display: grid; grid-template-columns: 180px 1fr; align-items: start; min-height: 92px; }
.industry-copy > div:first-child { display: flex; align-items: center; gap: 18px; }
.industry-index { color: var(--coral); font-size: 36px; font-weight: 650; }
.industry-line { width: 72px; height: 1px; background: rgba(255,255,255,.32); }
.industry-copy h3 { margin: 4px 0 13px; font-size: 22px; font-weight: 600; }
.industry-copy p { color: #aab7c9; font-size: 15px; line-height: 1.7; }
.case-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; padding: 42px 0 74px; }
.case-list li { display: grid; grid-template-columns: 72px minmax(0, 1fr); grid-template-rows: 24px 20px; column-gap: 12px; align-items: center; min-width: 0; padding: 16px; border: 1px solid rgba(255,255,255,.14); background: rgba(255,255,255,.055); transition: border-color .2s ease, background-color .2s ease, transform .2s ease; }
.case-list li:hover { transform: translateY(-3px); border-color: rgba(255,255,255,.3); background: rgba(255,255,255,.085); }
.case-logo { grid-row: 1 / 3; display: inline-flex; align-items: center; justify-content: center; width: 72px; height: 52px; overflow: hidden; border: 1px solid rgba(255,255,255,.2); border-radius: 4px; background: #fff; }
.case-logo img { display: block; width: calc(100% - 8px); height: calc(100% - 8px); object-fit: contain; }
.case-list strong { overflow: hidden; color: #fff; font-size: 15px; white-space: nowrap; text-overflow: ellipsis; }
.case-list small { color: #7f8da1; }

.coverage { padding-bottom: 76px; background: var(--surface); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); margin-bottom: 28px; background: #fff; border: 1px solid var(--line); }
.stats li { display: flex; flex-direction: column; padding: 26px 16px; border-left: 1px solid var(--line); text-align: center; }
.stats li:first-child { border-left: 0; }
.stats strong { color: var(--blue); font-size: 25px; font-weight: 650; }
.stats li:nth-child(2) strong { color: var(--teal); } .stats li:nth-child(3) strong { color: var(--coral); } .stats li:nth-child(4) strong { color: var(--gold); }
.stats li > span { margin-top: 5px; color: var(--muted); font-size: 14px; }
.map-wrap { position: relative; overflow: hidden; border: 1px solid var(--line); background: #fff; }
.coverage-map { width: 1200px; height: 595px; object-fit: contain; }
.map-note { position: absolute; top: 28px; right: 28px; display: grid; grid-template-columns: 10px 1fr; gap: 2px 10px; padding: 17px 20px; border-left: 3px solid var(--coral); background: rgba(255,255,255,.94); box-shadow: 0 10px 30px rgba(24,44,74,.1); }
.map-note > span { grid-row: 1 / 3; align-self: center; width: 10px; height: 10px; background: var(--teal); }
.map-note strong { color: var(--ink); font-size: 15px; }
.map-note small { color: var(--muted); }

.partners { background: #fff; }
.partner-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding-bottom: 78px; }
.partner-grid li { display: flex; align-items: center; gap: 14px; min-height: 100px; padding: 20px; border: 1px solid var(--line); background: #fff; transition: border-color .2s ease, transform .2s ease; }
.partner-grid li:hover { transform: translateY(-3px); border-color: #bdcbe0; }
.partner-logo { display: inline-flex; align-items: center; justify-content: center; width: 92px; height: 56px; flex: 0 0 92px; overflow: hidden; border: 1px solid #e8edf3; border-radius: 4px; background: #fff; }
.partner-logo img { display: block; width: calc(100% - 10px); height: calc(100% - 10px); object-fit: contain; }
.partner-grid li > span:last-child { display: flex; min-width: 0; flex-direction: column; }
.partner-grid strong { overflow: hidden; color: var(--ink); font-size: 17px; font-weight: 650; white-space: nowrap; text-overflow: ellipsis; }
.partner-grid small { margin-top: 4px; color: #9aa4b2; font-size: 9px; }

.contact { position: relative; overflow: hidden; color: #fff; background: var(--blue); }
.contact::before { content: ""; position: absolute; top: 0; bottom: 0; left: 50%; width: 50%; background: rgba(5,35,82,.16); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; min-height: 510px; }
.contact-service { position: relative; z-index: 1; display: flex; justify-content: center; flex-direction: column; padding-right: 80px; }
.service-brand { display: flex; align-items: center; gap: 18px; margin-bottom: 64px; }
.service-symbol { display: inline-flex; align-items: center; justify-content: center; width: 72px; height: 72px; border: 1px solid rgba(255,255,255,.7); color: #fff; font-size: 22px; font-weight: 700; }
.service-brand > span:last-child { display: flex; flex-direction: column; }
.service-brand strong { font-size: 26px; } .service-brand small { margin-top: 4px; color: #bdd6ff; font-size: 10px; }
.contact-label { color: #bdd6ff; font-size: 14px; }
.contact-address { padding: 10px 0 7px; font-size: 21px; font-weight: 600; line-height: 1.65; }
.contact-note { color: #bdd6ff; font-size: 13px; }
.contact-form { position: relative; z-index: 1; display: flex; justify-content: center; flex-direction: column; padding-left: 100px; }
.contact-form .eyebrow { margin-bottom: 12px; color: #8fe1d7; }
.contact-form h2 { color: #fff; font-size: 32px; font-weight: 600; }
.contact-form > p:not(.eyebrow) { padding: 8px 0 27px; color: #bdd6ff; }
.contact-form input, .contact-form button { width: 400px; height: 52px; border-radius: 4px; }
.contact-form input { margin-bottom: 16px; padding: 0 18px; border: 1px solid rgba(255,255,255,.52); outline: 0; color: #fff; background: rgba(5,35,82,.11); }
.contact-form input::placeholder { color: #d7e5fb; }
.contact-form input:focus { border-color: #fff; box-shadow: 0 0 0 3px rgba(255,255,255,.13); }
.contact-form button { border: 0; color: var(--blue-dark); background: #fff; font-size: 16px; font-weight: 650; cursor: pointer; }
.form-message { min-height: 19px; padding-top: 7px; color: #fff; }
.contact-form .demo-note { padding: 11px 0 0 !important; color: #c4d8f8 !important; font-size: 12px; }

.site-footer { color: #9aa5b3; background: #131a24; }
.footer-main { display: grid; grid-template-columns: 2fr .7fr 1fr .85fr; gap: 56px; padding: 52px 0 34px; border-bottom: 1px solid #2a3442; }
.footer-main h2 { margin-bottom: 17px; color: #fff; font-size: 15px; font-weight: 600; }
.footer-main p, .footer-main a { display: block; margin-bottom: 12px; line-height: 1.65; }
.footer-main a:hover { color: #fff; }
.footer-brand { display: flex !important; align-items: center; gap: 12px; margin-bottom: 24px !important; color: #fff; }
.footer-brand .brand-symbol { width: 40px; height: 40px; flex-basis: 40px; }
.footer-brand > span:last-child { display: flex; flex-direction: column; }
.footer-brand strong { font-size: 19px; } .footer-brand small { margin-top: 3px; color: #6f7e91; font-size: 9px; }
.footer-company h2 { margin-bottom: 8px; color: #c4ccd6; }
.footer-company p { max-width: 410px; }
.footer-service-badge { display: flex; align-items: center; flex-direction: column; justify-content: center; min-height: 145px; border: 1px solid #303a48; text-align: center; }
.footer-service-badge > span { display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; margin-bottom: 10px; border: 1px solid #687587; color: #fff; font-weight: 700; }
.footer-service-badge strong { color: #fff; font-size: 14px; } .footer-service-badge small { margin-top: 4px; color: #697688; }
.copyright { display: flex; justify-content: space-between; padding: 24px 0 28px; color: #657184; font-size: 13px; }
.copyright a:hover { color: #fff; }

.message-board { position: fixed; z-index: 60; right: 22px; bottom: 18px; width: 260px; overflow: hidden; border: 1px solid #dce2ea; border-radius: 6px; background: #fff; box-shadow: 0 14px 38px rgba(18,32,51,.2); transition: width .25s ease, box-shadow .25s ease; }
.message-header { display: flex; align-items: center; justify-content: space-between; width: 100%; height: 52px; padding: 0 14px; border: 0; color: #fff; background: var(--ink); cursor: pointer; }
.message-brand { display: flex; align-items: center; gap: 10px; }
.message-brand b { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border: 1px solid #fff; font-size: 10px; }
.collapse-icon { font-size: 20px; }
.message-board form { max-height: 390px; padding: 14px; transition: max-height .25s ease, padding .25s ease; }
.message-board.collapsed form { max-height: 0; padding-top: 0; padding-bottom: 0; overflow: hidden; }
.message-board form > p { margin-bottom: 12px; color: #5f6d7f; font-size: 12px; line-height: 1.6; }
.message-board textarea, .message-board input { width: 100%; margin-bottom: 9px; padding: 10px; border: 1px solid #dce2ea; border-radius: 3px; outline: 0; color: #475569; background: #fff; font-size: 12px; }
.message-board textarea { height: 80px; resize: none; }
.message-board textarea:focus, .message-board input:focus { border-color: var(--blue); }
.message-footer { display: flex; align-items: center; justify-content: space-between; min-height: 34px; }
.message-footer span { color: #d84c43; font-size: 11px; }
.message-footer button { min-width: 66px; height: 34px; border: 0; border-radius: 3px; color: #fff; background: var(--blue); cursor: pointer; }
.toast { position: fixed; z-index: 80; top: 90px; left: 50%; padding: 12px 22px; border-radius: 4px; color: #fff; background: rgba(21,30,43,.94); opacity: 0; pointer-events: none; transform: translate(-50%, -12px); transition: .25s ease; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1040px) {
  .main-nav a { padding: 0 11px; }
  .hero-highlights { grid-template-columns: repeat(3, 135px); }
  .case-list { grid-template-columns: repeat(3, 1fr); }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-form { padding-left: 55px; }
  .contact-service { padding-right: 55px; }
  .footer-main { gap: 32px; }
}

@media (max-width: 900px) {
  .container { width: min(100% - 32px, 680px); }
  .site-header { color: var(--ink); background: rgba(255,255,255,.97); border-bottom-color: var(--line); }
  .brand { margin-right: 0; }
  .menu-toggle { display: block; margin-left: auto; }
  .main-nav { position: absolute; top: 72px; right: 0; left: 0; display: none; height: auto; padding: 10px 16px 18px; border-top: 1px solid var(--line); background: #fff; box-shadow: 0 12px 24px rgba(22,56,95,.12); }
  .site-header.menu-open .main-nav { display: grid; grid-template-columns: repeat(2, 1fr); }
  .main-nav a { min-height: 44px; padding: 0 12px; }
  .hero { min-height: 600px; height: 650px; }
  .hero h1 { font-size: 52px; }
  .hero-highlights { right: auto; bottom: 30px; left: 0; grid-template-columns: repeat(3, 1fr); width: 100%; }
  .hero-highlights li { padding-left: 16px; }
  .section-heading { padding: 64px 0 38px; }
  .section-heading h2 { font-size: 27px; }
  .solution-grid { grid-template-columns: 1fr; }
  .solution-summary { min-height: 0; }
  .industry-copy { grid-template-columns: 120px 1fr; }
  .case-list { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stats li:nth-child(3) { border-left: 0; border-top: 1px solid var(--line); }
  .stats li:nth-child(4) { border-top: 1px solid var(--line); }
  .coverage-map { height: auto; }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .contact::before { top: 50%; left: 0; width: 100%; height: 50%; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-service { min-height: 380px; padding: 55px 0; }
  .service-brand { margin-bottom: 42px; }
  .contact-form { min-height: 480px; padding: 55px 0; }
  .footer-main { grid-template-columns: repeat(2, 1fr); }
  .message-board { right: 12px; bottom: 12px; }
}

@media (max-width: 560px) {
  .container { width: calc(100% - 28px); }
  .brand { gap: 8px; min-width: 160px; }
  .brand-symbol { width: 38px; height: 38px; flex-basis: 38px; }
  .brand-name { font-size: 17px; }
  .hero { min-height: 620px; height: auto; max-height: none; background-position: 58% center; }
  .hero::before { background: rgba(10,18,29,.72); }
  .hero::after { display: none; }
  .hero-content { justify-content: flex-start; height: auto; min-height: 620px; padding-top: 130px; padding-bottom: 32px; }
  .hero-kicker { font-size: 13px; }
  .hero h1 { margin-top: 16px; font-size: 42px; }
  .hero-lead { max-width: 350px; margin-top: 14px; font-size: 21px; line-height: 1.5; }
  .hero-description { max-width: 350px; margin-top: 16px; font-size: 15px; line-height: 1.75; }
  .hero-actions { align-items: center; flex-flow: row wrap; gap: 10px 20px; margin-top: 24px; }
  .hero-actions .primary-button { min-width: 160px; }
  .hero-highlights { position: static; grid-template-columns: repeat(3, minmax(0, 1fr)); width: 100%; margin-top: 30px; border-top: 1px solid rgba(255,255,255,.14); }
  .hero-highlights li { display: block; min-width: 0; padding: 13px 8px 0; border-top: 0; border-left: 1px solid rgba(255,255,255,.14); }
  .hero-highlights li:first-child { border-left: 0; }
  .hero-highlights strong { margin-bottom: 5px; font-size: 14px; }
  .hero-highlights span { font-size: 11px; line-height: 1.45; }
  .section-heading { padding: 52px 0 30px; }
  .section-heading h2 { font-size: 25px; }
  .section-heading > p:last-child { font-size: 14px; line-height: 1.7; }
  .solution-card-body { padding: 24px 20px; }
  .solution-grid { gap: 18px; }
  .solution-action { padding: 32px 0 54px; }
  .industries { background: #202630; }
  .industry-tabs { grid-template-columns: repeat(2, 1fr); }
  .industry-tabs { margin-bottom: 34px; }
  .industry-tabs button:nth-child(3) { border-top: 1px solid rgba(255,255,255,.17); border-left: 0; }
  .industry-tabs button:nth-child(4) { border-top: 1px solid rgba(255,255,255,.17); }
  .industry-copy { grid-template-columns: 1fr; gap: 14px; min-height: 0; }
  .case-list { grid-template-columns: 1fr; gap: 12px; padding: 32px 0 54px; }
  .case-list li { min-height: 82px; }
  .coverage { padding-bottom: 56px; }
  .stats { margin-bottom: 18px; }
  .stats li { padding: 22px 10px; }
  .stats strong { font-size: 23px; }
  .map-note { position: static; margin: 0 14px 14px; box-shadow: none; }
  .partner-grid { grid-template-columns: 1fr; gap: 12px; padding-bottom: 56px; }
  .partner-grid li { min-height: 88px; padding: 16px; }
  .partner-logo { width: 88px; height: 52px; flex-basis: 88px; }
  .contact-service { min-height: 320px; padding: 44px 0; }
  .service-brand { margin-bottom: 36px; }
  .contact-address { font-size: 18px; }
  .contact-form { min-height: 440px; padding: 44px 0; }
  .contact-form input, .contact-form button { width: 100%; }
  .footer-main { grid-template-columns: 1fr; gap: 28px; padding: 44px 0 28px; }
  .footer-service-badge { min-height: 120px; }
  .copyright { align-items: flex-start; flex-direction: column; gap: 8px; }
  .message-board { right: 14px; bottom: 14px; }
  .message-board.collapsed { width: 52px; border-color: rgba(255,255,255,.2); box-shadow: 0 10px 28px rgba(18,32,51,.26); }
  .message-board.collapsed .message-header { justify-content: center; padding: 0; }
  .message-board.collapsed .message-brand { gap: 0; }
  .message-board.collapsed .message-brand > span,
  .message-board.collapsed .collapse-icon { display: none; }
  .message-board:not(.collapsed) { width: min(360px, calc(100vw - 44px)); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; }
}