:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #edf3f8;
  --surface-raised: rgba(255,255,255,.88);
  --text: #0b1728;
  --text-soft: #536176;
  --text-faint: #758397;
  --line: rgba(11,23,40,.12);
  --line-strong: rgba(11,23,40,.2);
  --navy: #07182e;
  --navy-2: #0d2748;
  --accent: #007f62;
  --accent-2: #006e56;
  --accent-button: #007f62;
  --accent-button-2: #006e56;
  --accent-soft: rgba(0,166,125,.10);
  --border: var(--line);
  --muted: var(--text-soft);
  --surface-strong: var(--surface);
  --shadow: var(--shadow-md);
  --gold: #e3a72f;
  --danger: #d95858;
  --shadow-sm: 0 8px 26px rgba(7,24,46,.07);
  --shadow-md: 0 20px 60px rgba(7,24,46,.12);
  --shadow-lg: 0 30px 90px rgba(7,24,46,.18);
  --radius-sm: 14px;
  --radius: 22px;
  --radius-lg: 32px;
  --container: 1200px;
  --header-height: 78px;
}

html[data-theme="dark"] {
  --bg: #07111f;
  --surface: #0d1c2f;
  --surface-soft: #10243a;
  --surface-raised: rgba(13,28,47,.9);
  --text: #eff5fb;
  --text-soft: #acbbcd;
  --text-faint: #7f92a8;
  --line: rgba(221,235,248,.12);
  --line-strong: rgba(221,235,248,.22);
  --navy: #020912;
  --navy-2: #081a2e;
  --accent: #45d7ad;
  --accent-2: #17c99b;
  --accent-button: #007f62;
  --accent-button-2: #006e56;
  --accent-soft: rgba(23,201,155,.12);
  --danger: #ff9292;
  --border: var(--line);
  --muted: var(--text-soft);
  --surface-strong: var(--surface);
  --shadow: var(--shadow-md);
  --shadow-sm: 0 8px 26px rgba(0,0,0,.2);
  --shadow-md: 0 20px 60px rgba(0,0,0,.28);
  --shadow-lg: 0 30px 90px rgba(0,0,0,.36);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + 24px); }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 10% 8%, rgba(0,166,125,.08), transparent 26rem),
    radial-gradient(circle at 92% 14%, rgba(227,167,47,.07), transparent 24rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.modal-open { overflow: hidden; }
button, input, select { font: inherit; }
a { color: inherit; text-decoration: none; }
button { color: inherit; }
img { max-width: 100%; display: block; }
svg { display: block; }
::selection { background: rgba(0,166,125,.24); }

.svg-sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icon { width: 1.1em; height: 1.1em; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: 0 0 auto; }
.container { width: min(calc(100% - 40px), var(--container)); 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; left: 16px; top: -80px; z-index: 1000; padding: 12px 18px; border-radius: 10px; background: var(--accent-button); color: #fff; font-weight: 800; transition: top .2s ease; }
.skip-link:focus { top: 16px; }

.site-header { position: sticky; top: 0; z-index: 100; border-bottom: 1px solid transparent; background: rgba(244,247,251,.72); backdrop-filter: blur(18px); transition: border-color .2s ease, box-shadow .2s ease, background .2s ease; }
html[data-theme="dark"] .site-header { background: rgba(7,17,31,.74); }
.site-header.scrolled { border-color: var(--line); box-shadow: 0 10px 34px rgba(7,24,46,.08); }
.header-inner { min-height: var(--header-height); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; min-width: max-content; }
.brand-mark { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; overflow: hidden; background: linear-gradient(145deg,#fff9e9,#f2cf71); box-shadow: inset 0 0 0 1px rgba(227,167,47,.25), var(--shadow-sm); }
.brand-mark img { width: 37px; height: 37px; object-fit: contain; }
.brand-copy { display: flex; flex-direction: column; line-height: 1.15; }
.brand-copy strong { font-size: 1.02rem; letter-spacing: .18em; color: var(--text); }
.brand-copy small { margin-top: 5px; color: var(--text-faint); font-size: .69rem; letter-spacing: .025em; }
.desktop-nav { display: flex; align-items: center; gap: 26px; margin-left: auto; }
.desktop-nav a { color: var(--text-soft); font-weight: 700; font-size: .87rem; position: relative; }
.desktop-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -9px; height: 2px; background: var(--accent); transition: right .2s ease; }
.desktop-nav a:hover { color: var(--text); }
.desktop-nav a:hover::after { right: 0; }
.header-actions { display: flex; align-items: center; gap: 9px; }
.select-wrap { height: 42px; display: flex; align-items: center; gap: 5px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-raised); padding-inline: 10px 4px; }
.select-wrap .icon { color: var(--text-faint); }
.select-wrap select { min-width: 88px; border: 0; outline: 0; background: transparent; color: var(--text); font-weight: 700; cursor: pointer; }
.select-wrap option { color: #0b1728; }
.icon-button { width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface-raised); display: grid; place-items: center; cursor: pointer; transition: transform .2s ease, border-color .2s ease, background .2s ease; }
.icon-button:hover { transform: translateY(-1px); border-color: var(--line-strong); }
.theme-icon-dark, html[data-theme="dark"] .theme-icon-light { display: none; }
html[data-theme="dark"] .theme-icon-dark { display: block; }
.mobile-menu-button { display: none; }
.menu-close-icon { display: none; }
.mobile-menu-button[aria-expanded="true"] .menu-open-icon { display: none; }
.mobile-menu-button[aria-expanded="true"] .menu-close-icon { display: block; }
.mobile-nav { border-top: 1px solid var(--line); background: var(--surface); }
.mobile-nav .container { display: grid; padding-block: 12px 20px; }
.mobile-nav a { padding: 13px 4px; border-bottom: 1px solid var(--line); font-weight: 750; color: var(--text-soft); }

.button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; gap: 10px; padding: 11px 17px; border: 1px solid transparent; border-radius: 13px; font-weight: 800; font-size: .9rem; cursor: pointer; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(135deg,var(--accent-button),var(--accent-button-2)); color: #fff; box-shadow: 0 12px 28px rgba(0,166,125,.22); }
.button-primary:hover { box-shadow: 0 18px 36px rgba(0,166,125,.28); }
.button-secondary { border-color: var(--line-strong); background: var(--surface-raised); color: var(--text); }
.button-light { background: #fff; color: var(--navy); box-shadow: 0 12px 32px rgba(0,0,0,.18); }
.button-large { min-height: 52px; padding-inline: 22px; border-radius: 15px; }
.text-link { display: inline-flex; align-items: center; gap: 8px; color: var(--accent); font-weight: 800; font-size: .9rem; }
.text-link:hover .icon { transform: translateX(3px); }
.text-link .icon { transition: transform .2s ease; }

.hero-section { position: relative; overflow: clip; padding: 82px 0 58px; }
.hero-section::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 58px 58px; mask-image: linear-gradient(to bottom, rgba(0,0,0,.48), transparent 82%); opacity: .26; pointer-events: none; }
.hero-orbit { position: absolute; border: 1px solid rgba(0,166,125,.16); border-radius: 50%; pointer-events: none; }
.orbit-one { width: 520px; height: 520px; right: -210px; top: -230px; }
.orbit-two { width: 320px; height: 320px; right: -80px; top: -130px; }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0,1.08fr) minmax(380px,.78fr); gap: 64px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; padding: 8px 12px; border: 1px solid rgba(0,166,125,.22); border-radius: 999px; background: rgba(0,166,125,.08); color: var(--accent); font-size: .79rem; font-weight: 850; letter-spacing: .04em; }
.hero-content h1 { max-width: 780px; margin: 22px 0 18px; font-size: clamp(2.75rem, 6vw, 5.4rem); line-height: .99; letter-spacing: -.055em; font-weight: 850; }
.hero-content h1 span { background: linear-gradient(105deg,var(--accent),#17c99a 45%,var(--gold)); color: transparent; background-clip: text; -webkit-background-clip: text; }
.hero-lead { max-width: 730px; margin: 0; color: var(--text-soft); font-size: clamp(1rem, 1.7vw, 1.18rem); line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-proof { margin-top: 28px; display: flex; flex-wrap: wrap; gap: 10px 18px; color: var(--text-soft); font-size: .82rem; font-weight: 700; }
.hero-proof > span { display: inline-flex; align-items: center; gap: 7px; }
.hero-proof .icon { color: var(--accent); }
.hero-panel { position: relative; min-height: 520px; border-radius: var(--radius-lg); padding: 27px; overflow: hidden; color: #fff; background: linear-gradient(155deg,#06162b 0%,#0b2d4d 58%,#073a37 100%); box-shadow: var(--shadow-lg); }
.hero-panel::before { content: ""; position: absolute; width: 420px; height: 420px; border-radius: 50%; right: -180px; top: -150px; background: radial-gradient(circle, rgba(11,201,154,.34), transparent 68%); }
.hero-panel::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px); background-size: 36px 36px; mask-image: linear-gradient(to bottom,black,transparent); }
.hero-panel > * { position: relative; z-index: 1; }
.panel-topline { display: flex; align-items: center; gap: 9px; color: rgba(255,255,255,.68); font-size: .74rem; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent-2); box-shadow: 0 0 0 6px rgba(11,201,154,.12); }
.panel-core { padding: 44px 6px 34px; }
.panel-logo { width: 88px; height: 88px; padding: 8px; border-radius: 24px; background: rgba(255,255,255,.94); box-shadow: 0 16px 46px rgba(0,0,0,.25); }
.panel-logo img { width: 100%; height: 100%; object-fit: contain; }
.panel-kicker { margin: 30px 0 8px; color: var(--accent-2); font-size: .69rem; font-weight: 900; letter-spacing: .14em; }
.panel-core h2 { margin: 0; max-width: 390px; font-size: clamp(1.75rem, 3vw, 2.55rem); line-height: 1.14; letter-spacing: -.035em; }
.panel-metrics { display: grid; grid-template-columns: repeat(3,1fr); border-block: 1px solid rgba(255,255,255,.12); }
.panel-metrics div { padding: 18px 12px; border-right: 1px solid rgba(255,255,255,.12); }
.panel-metrics div:last-child { border-right: 0; }
.panel-metrics strong { display: block; font-size: 1.45rem; color: #fff; }
.panel-metrics span { display: block; margin-top: 3px; color: rgba(255,255,255,.58); font-size: .69rem; }
.panel-disclosure { display: flex; gap: 12px; margin-top: 22px; color: rgba(255,255,255,.68); font-size: .73rem; line-height: 1.65; }
.panel-disclosure .icon { margin-top: 3px; color: var(--accent-2); }
.panel-disclosure p { margin: 0; }

.notice-section { padding-bottom: 28px; }
.notice-card { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 18px; padding: 20px 22px; border: 1px solid var(--line); border-radius: 18px; background: var(--surface-raised); box-shadow: var(--shadow-sm); }
.notice-icon { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; background: rgba(0,166,125,.1); color: var(--accent); }
.notice-card strong { display: block; font-size: .95rem; }
.notice-card p { margin: 4px 0 0; color: var(--text-soft); font-size: .83rem; }

.section { padding: 104px 0; }
.section-tint { background: linear-gradient(180deg, transparent, rgba(0,166,125,.055) 12%, rgba(0,166,125,.055) 88%, transparent); }
.section-heading { display: grid; grid-template-columns: minmax(0,1fr) minmax(280px,430px); gap: 50px; align-items: end; margin-bottom: 42px; }
.section-label { display: inline-block; margin-bottom: 11px; color: var(--accent); font-size: .73rem; font-weight: 900; letter-spacing: .16em; }
.section-label-light { color: var(--accent-2); }
.section-heading h2, .coverage-copy h2, .faq-intro h2, .standards-intro h2, .contact-copy h2 { margin: 0; font-size: clamp(2rem,4.5vw,3.75rem); line-height: 1.08; letter-spacing: -.045em; }
.section-heading p, .coverage-copy > p, .faq-intro > p, .standards-intro > p, .contact-copy > p { margin: 0; color: var(--text-soft); line-height: 1.8; }

.services-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.service-card { position: relative; min-height: 440px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-raised); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease; }
.service-card:hover { transform: translateY(-5px); border-color: rgba(0,166,125,.34); box-shadow: var(--shadow-md); }
.service-card-featured { background: linear-gradient(145deg,rgba(0,166,125,.09),var(--surface-raised) 45%); }
.service-number { position: absolute; right: 24px; top: 20px; color: var(--line-strong); font-size: 3.4rem; font-weight: 900; letter-spacing: -.08em; }
.service-icon { width: 52px; height: 52px; display: grid; place-items: center; border-radius: 16px; background: rgba(0,166,125,.1); color: var(--accent); }
.service-icon .icon { width: 25px; height: 25px; }
.service-card h3 { margin: 23px 0 10px; max-width: 500px; font-size: 1.42rem; line-height: 1.25; letter-spacing: -.025em; }
.service-card > p { margin: 0; color: var(--text-soft); }
.check-list { list-style: none; margin: 24px 0 0; padding: 0; display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 27px; color: var(--text-soft); font-size: .88rem; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: .08em; width: 18px; height: 18px; display: grid; place-items: center; border-radius: 50%; background: rgba(0,166,125,.12); color: var(--accent); font-size: .7rem; font-weight: 900; }

.coverage-grid { display: grid; grid-template-columns: minmax(0,.84fr) minmax(460px,1.16fr); gap: 70px; align-items: center; }
.coverage-copy > p { margin-top: 19px; }
.country-cloud { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 26px; }
.country-chip { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; background: var(--surface); color: var(--text-soft); font-size: .78rem; font-weight: 750; }
.capability-board { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--surface); box-shadow: var(--shadow-md); overflow: hidden; }
.board-head { display: flex; justify-content: space-between; gap: 20px; padding: 28px; border-bottom: 1px solid var(--line); background: linear-gradient(135deg,rgba(0,166,125,.08),transparent); }
.board-head span { color: var(--accent); font-size: .68rem; font-weight: 900; letter-spacing: .13em; }
.board-head h3 { margin: 5px 0 0; font-size: 1.4rem; }
.board-head > .icon { width: 34px; height: 34px; color: var(--accent); }
.capability-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
.capability-item { min-height: 126px; padding: 22px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.capability-item:nth-child(2n) { border-right: 0; }
.capability-item:nth-last-child(-n+2) { border-bottom: 0; }
.capability-item strong { display: block; font-size: .94rem; }
.capability-item p { margin: 7px 0 0; color: var(--text-soft); font-size: .78rem; line-height: 1.65; }
.board-note { display: flex; gap: 10px; padding: 17px 22px; border-top: 1px solid var(--line); background: var(--surface-soft); color: var(--text-faint); font-size: .72rem; line-height: 1.6; }
.board-note .icon { margin-top: 2px; color: var(--accent); }

.process-grid { counter-reset: steps; list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 16px; }
.process-card { position: relative; min-height: 224px; padding: 27px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface-raised); overflow: hidden; }
.process-card::before { counter-increment: steps; content: "0" counter(steps); display: block; margin-bottom: 34px; color: var(--accent); font-size: .73rem; font-weight: 900; letter-spacing: .12em; }
.process-card::after { content: ""; position: absolute; width: 92px; height: 92px; right: -38px; top: -38px; border-radius: 50%; border: 14px solid rgba(0,166,125,.06); }
.process-card h3 { margin: 0; font-size: 1.08rem; }
.process-card p { margin: 9px 0 0; color: var(--text-soft); font-size: .82rem; }

.standards-section { padding-top: 72px; }
.standards-shell { position: relative; overflow: hidden; display: grid; grid-template-columns: .88fr 1.12fr; gap: 60px; padding: 58px; border-radius: 36px; background: linear-gradient(140deg,#06162b,#0a2b4a 58%,#084039); color: #fff; box-shadow: var(--shadow-lg); }
.standards-shell::after { content: ""; position: absolute; width: 580px; height: 580px; right: -260px; top: -280px; border-radius: 50%; background: radial-gradient(circle,rgba(11,201,154,.22),transparent 65%); }
.standards-shell > * { position: relative; z-index: 1; }
.standards-intro > p { margin-top: 18px; color: rgba(255,255,255,.65); }
.standards-intro .button { margin-top: 28px; }
.standards-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.standard-card { min-height: 172px; padding: 22px; border: 1px solid rgba(255,255,255,.12); border-radius: 20px; background: rgba(255,255,255,.055); backdrop-filter: blur(10px); }
.standard-card .icon { width: 24px; height: 24px; color: var(--accent-2); }
.standard-card h3 { margin: 22px 0 7px; font-size: 1rem; }
.standard-card p { margin: 0; color: rgba(255,255,255,.58); font-size: .75rem; line-height: 1.65; }

.faq-layout { display: grid; grid-template-columns: minmax(280px,.62fr) minmax(0,1.38fr); gap: 70px; align-items: start; }
.faq-intro { position: sticky; top: calc(var(--header-height) + 30px); }
.faq-intro > p { margin-top: 17px; }
.faq-intro .text-link { margin-top: 22px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary { list-style: none; display: flex; justify-content: space-between; gap: 22px; padding: 23px 0; cursor: pointer; font-weight: 800; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .icon { margin-top: 3px; color: var(--text-faint); transition: transform .2s ease; }
.faq-item[open] summary .icon { transform: rotate(180deg); color: var(--accent); }
.faq-answer { padding: 0 42px 24px 0; color: var(--text-soft); font-size: .88rem; line-height: 1.8; }

.contact-section { padding-top: 52px; }
.contact-shell { display: grid; grid-template-columns: minmax(0,.92fr) minmax(480px,1.08fr); gap: 55px; align-items: center; padding: 56px; border-radius: 36px; background: linear-gradient(135deg,#06162b,#0a2c4d 58%,#07362f); color: #fff; box-shadow: var(--shadow-lg); }
.contact-copy > p { margin-top: 18px; color: rgba(255,255,255,.64); }
.contact-copy .button { margin-top: 28px; }
.contact-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; }
.contact-card { min-height: 148px; text-align: left; padding: 20px; border: 1px solid rgba(255,255,255,.12); border-radius: 19px; background: rgba(255,255,255,.055); color: #fff; display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-end; cursor: pointer; transition: transform .2s ease, background .2s ease; }
.contact-card:hover { transform: translateY(-3px); background: rgba(255,255,255,.09); }
.contact-card .icon { margin-bottom: auto; width: 22px; height: 22px; color: var(--accent-2); }
.contact-card span { color: rgba(255,255,255,.55); font-size: .72rem; }
.contact-card strong { margin-top: 3px; font-size: .88rem; word-break: break-word; }
.contact-copy-button { width: 100%; }

.site-footer { padding: 74px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.7fr repeat(3,1fr); gap: 48px; padding-bottom: 42px; }
.footer-brand p { max-width: 430px; margin: 19px 0 0; color: var(--text-soft); font-size: .82rem; }
.footer-column { display: flex; flex-direction: column; align-items: flex-start; gap: 9px; }
.footer-column strong { margin-bottom: 6px; font-size: .82rem; }
.footer-column a, .footer-column button { padding: 0; border: 0; background: none; color: var(--text-soft); font-size: .78rem; cursor: pointer; }
.footer-column a:hover, .footer-column button:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; gap: 28px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--text-faint); font-size: .7rem; }
.footer-bottom span:last-child { max-width: 660px; text-align: right; }

.back-to-top { position: fixed; right: 22px; bottom: 22px; z-index: 80; width: 46px; height: 46px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface-raised); color: var(--text); box-shadow: var(--shadow-md); display: grid; place-items: center; cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(10px); transition: opacity .2s ease, visibility .2s ease, transform .2s ease; }
.back-to-top.visible { opacity: 1; visibility: visible; transform: none; }
.back-to-top .icon { transform: rotate(-90deg); }
.toast { position: fixed; left: 50%; bottom: 28px; z-index: 500; transform: translate(-50%,20px); min-width: 220px; max-width: min(90vw,520px); padding: 12px 17px; border-radius: 12px; background: var(--navy); color: #fff; text-align: center; font-size: .8rem; font-weight: 750; opacity: 0; visibility: hidden; transition: .2s ease; box-shadow: var(--shadow-lg); }
.toast.visible { opacity: 1; visibility: visible; transform: translate(-50%,0); }

.modal { position: fixed; inset: 0; z-index: 600; display: grid; place-items: center; padding: 20px; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(2,9,18,.72); backdrop-filter: blur(8px); }
.modal-dialog { position: relative; width: min(760px,100%); max-height: min(86vh,760px); display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 24px; background: var(--surface); box-shadow: var(--shadow-lg); overflow: hidden; }
.modal-header { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 20px 22px; border-bottom: 1px solid var(--line); }
.modal-header h2 { margin: 0; font-size: 1.18rem; }
.modal-content { overflow: auto; padding: 24px; color: var(--text-soft); font-size: .84rem; line-height: 1.85; }
.modal-content h3 { margin: 24px 0 6px; color: var(--text); font-size: .97rem; }
.modal-content h3:first-child { margin-top: 0; }
.modal-content p, .modal-content ul { margin-top: 8px; }
.modal-footer { display: flex; justify-content: flex-end; padding: 16px 22px; border-top: 1px solid var(--line); }
.noscript { position: fixed; inset-inline: 16px; bottom: 16px; z-index: 999; padding: 14px; border-radius: 12px; background: #fff1c2; color: #4c3500; box-shadow: var(--shadow-md); }

.reveal { animation: reveal-in .58s ease both; }
.reveal.in-view { opacity: 1; transform: none; }
@keyframes reveal-in { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

@media (max-width: 1080px) {
  .desktop-nav, .header-cta { display: none; }
  .mobile-menu-button { display: grid; }
  .hero-grid { grid-template-columns: 1fr; gap: 42px; }
  .hero-panel { min-height: auto; }
  .coverage-grid, .standards-shell, .contact-shell { grid-template-columns: 1fr; }
  .coverage-grid { gap: 42px; }
  .standards-shell, .contact-shell { gap: 40px; }
  .footer-grid { grid-template-columns: 1.5fr repeat(3,1fr); gap: 30px; }
}

@media (max-width: 780px) {
  :root { --header-height: 70px; }
  .container { width: min(calc(100% - 28px),var(--container)); }
  .brand-copy small { display: none; }
  .header-actions { gap: 6px; }
  .select-wrap { padding-left: 8px; }
  .select-wrap select { min-width: 74px; max-width: 92px; font-size: .78rem; }
  .hero-section { padding: 54px 0 40px; }
  .hero-content h1 { font-size: clamp(2.5rem,12vw,4.2rem); }
  .hero-grid { gap: 30px; }
  .hero-panel { padding: 22px; border-radius: 25px; }
  .panel-core { padding-top: 34px; }
  .panel-metrics div { padding: 14px 7px; }
  .panel-metrics strong { font-size: 1.2rem; }
  .notice-card { grid-template-columns: auto 1fr; }
  .notice-card .text-link { grid-column: 2; }
  .section { padding: 76px 0; }
  .section-heading { grid-template-columns: 1fr; gap: 18px; margin-bottom: 30px; }
  .services-grid, .process-grid, .faq-layout { grid-template-columns: 1fr; }
  .service-card { min-height: auto; padding: 24px; }
  .process-grid { gap: 12px; }
  .faq-layout { gap: 30px; }
  .faq-intro { position: static; }
  .standards-shell, .contact-shell { padding: 32px 22px; border-radius: 27px; }
  .footer-grid { grid-template-columns: repeat(2,1fr); }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
  .footer-bottom span:last-child { text-align: left; }
}

@media (max-width: 520px) {
  .header-inner { gap: 8px; }
  .brand-mark { width: 40px; height: 40px; }
  .brand-mark img { width: 34px; height: 34px; }
  .select-wrap .icon { display: none; }
  .icon-button { width: 40px; height: 40px; }
  .hero-actions { display: grid; }
  .hero-actions .button { width: 100%; }
  .hero-proof { display: grid; gap: 8px; }
  .panel-metrics { grid-template-columns: 1fr; }
  .panel-metrics div { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.12); display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
  .panel-metrics div:last-child { border-bottom: 0; }
  .capability-list, .standards-grid, .contact-grid, .footer-grid { grid-template-columns: 1fr; }
  .capability-item, .capability-item:nth-child(2n), .capability-item:nth-last-child(-n+2) { border-right: 0; border-bottom: 1px solid var(--line); }
  .capability-item:last-child { border-bottom: 0; }
  .contact-card { min-height: 132px; }
  .footer-brand { grid-column: auto; }
  .back-to-top { right: 14px; bottom: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}

.platform-preview-section { padding-top: 16px; }
.platform-preview-shell { display:grid; grid-template-columns:minmax(0,1.05fr) minmax(420px,.95fr); gap:48px; align-items:center; padding:48px; border:1px solid var(--line); border-radius:32px; background:linear-gradient(145deg,var(--surface-raised),var(--surface-soft)); box-shadow:var(--shadow-md); }
.platform-preview-copy h2 { margin:12px 0 0; }
.platform-preview-copy > p { max-width:710px; margin-top:17px; }
.platform-preview-actions { display:flex; flex-wrap:wrap; gap:11px; margin-top:27px; }
.platform-preview-board { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:10px; }
.platform-preview-metric { min-height:126px; display:flex; flex-direction:column; justify-content:space-between; padding:18px; border:1px solid var(--line); border-radius:18px; background:var(--surface-raised); }
.platform-preview-metric strong { font-size:2.35rem; letter-spacing:-.05em; }
.platform-preview-metric span { color:var(--text-soft); font-size:.67rem; line-height:1.45; }
.platform-preview-categories { grid-column:1/-1; display:flex; flex-wrap:wrap; gap:8px; padding:16px; border:1px solid var(--line); border-radius:18px; background:var(--surface-raised); }
.platform-preview-categories span { padding:7px 10px; border-radius:999px; background:var(--accent-soft); color:var(--accent); font-size:.67rem; font-weight:800; }
@media (max-width:980px){.platform-preview-shell{grid-template-columns:1fr}.platform-preview-board{max-width:700px}}
@media (max-width:620px){.platform-preview-shell{padding:28px 20px;border-radius:26px}.platform-preview-board{grid-template-columns:1fr}.platform-preview-categories{grid-column:auto}.platform-preview-actions{display:grid}.platform-preview-actions .button{width:100%}}
.contact-action-row{display:flex;gap:12px;flex-wrap:wrap}.button-outline-light{border-color:rgba(255,255,255,.36);color:#fff;background:transparent}.button-outline-light:hover{background:rgba(255,255,255,.1)}

/* V4.1 content alignment and component refinement */
.faq-section{padding-block:96px}
.faq-grid{display:grid;grid-template-columns:minmax(260px,.72fr) minmax(0,1.28fr);gap:70px;align-items:start}
.faq-list{width:100%;max-width:820px;margin-left:auto;padding:10px;border:1px solid var(--line);border-radius:26px;background:var(--surface-raised);box-shadow:var(--shadow-md);overflow:hidden}
.faq-item{margin:7px 0;border:1px solid var(--line);border-radius:16px;background:var(--surface);overflow:hidden;transition:border-color .2s ease,background .2s ease,transform .2s ease}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{border-color:color-mix(in srgb,var(--accent) 35%,var(--line));background:var(--surface-soft)}
.faq-item summary{min-height:64px;padding:17px 18px;display:flex;align-items:center;justify-content:space-between;gap:18px;cursor:pointer;color:var(--text);font-weight:820;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .icon{color:var(--text-faint);transition:transform .2s ease}
.faq-item[open] summary .icon{transform:rotate(180deg)}
.faq-answer{padding:0 18px 20px;color:var(--text-soft);line-height:1.8}
.contact-panel{border-radius:30px;overflow:hidden}
.contact-actions{display:flex;flex-wrap:wrap;gap:12px}
.contact-actions .button{border-radius:14px}
.contact-card,.contact-method,.contact-grid>*{border-radius:16px}
@media(max-width:900px){.faq-grid{grid-template-columns:1fr;gap:30px}.faq-list{max-width:none;margin:0}.faq-section{padding-block:70px}}
@media(max-width:560px){.faq-list{padding:7px;border-radius:20px}.faq-item{border-radius:13px}.faq-item summary{padding:15px;min-height:58px}.faq-answer{padding:0 15px 17px}.contact-actions{display:grid;grid-template-columns:1fr}.contact-actions .button{width:100%}}