:root {
  --ink:#152334; --muted:#607081; --blue:#0052d9; --deep:#002fa7;
  --line:#dfe6ee; --canvas:#f5f7fa; --ice:#edf5ff; --radius:20px; --header:76px;
}
* { box-sizing:border-box; }
html { scroll-padding-top:110px; }
body { margin:0; background:#fff; color:var(--ink); font:16px/1.8 "Source Han Sans SC","Noto Sans CJK SC","Microsoft YaHei","PingFang SC",Arial,sans-serif; }
h1,h2,h3,h4,p,figure { margin:0; }
h1,h2,h3,h4 { line-height:1.45; letter-spacing:-.04em; }
h2 { font-size:40px; font-weight:650; }
h3 { font-size:29px; font-weight:650; }
h4 { font-size:20px; }
p { color:var(--muted); }
a { color:inherit; text-decoration:none; }
button { font:inherit; cursor:pointer; }
img { display:block; max-width:100%; }
svg { display:block; flex-shrink:0; }
.icon { width:24px; height:24px; }
[hidden] { display:none!important; }
a:focus-visible,button:focus-visible,[tabindex]:focus-visible { outline:3px solid #c58500; outline-offset:5px; }
::selection { background:#daeaff; color:#152c52; }
.container { width:min(1240px,calc(100% - 96px)); margin-inline:auto; }
.skip-link { position:fixed; top:-70px; left:14px; background:#fff; padding:8px 20px; z-index:100; }
.skip-link:focus { top:12px; }
.site-header { min-height:var(--header); border-bottom:1px solid #edf0f4; background:#ffffffed; position:relative; z-index:50; backdrop-filter:blur(14px); }
.enhanced .site-header { position:sticky; top:0; }
.header-inner { display:flex; justify-content:space-between; align-items:center; min-height:var(--header); gap:20px; }
.brand { display:flex; align-items:center; gap:10px; flex-shrink:0; }
.brand img { width:37px; height:37px; object-fit:contain; }
.brand b { display:block; font-size:19px; letter-spacing:.035em; line-height:1.3; }
.brand small { display:block; font-size:8px; letter-spacing:.26em; color:#7c8a97; line-height:1.4; margin-top:5px; }
#main-nav { display:flex; align-items:center; gap:30px; font-size:13px; font-weight:600; }
#main-nav a:not(.nav-cta):hover { color:var(--blue); }
.nav-cta { display:flex; align-items:center; gap:15px; border:1px solid #cfd8e3; border-radius:7px; padding:8px 14px; }
.nav-cta:hover { border-color:var(--ink); background:#f6f8fb; }
.nav-cta svg,.button svg,.text-link svg { width:18px; height:18px; fill:none; stroke:currentColor; stroke-width:1.5; stroke-linecap:round; stroke-linejoin:round; }
.menu-toggle { display:none; width:42px; height:42px; border:0; background:transparent; padding:11px 8px; }
.menu-toggle span { display:block; height:2px; background:var(--ink); margin:6px 0; }
#main-nav a[aria-current] { color:var(--deep); position:relative; }
#main-nav a[aria-current]::after { position:absolute; content:""; height:3px; bottom:-8px; width:20px; left:calc(50% - 10px); background:var(--blue); border-radius:5px; }
.nav-contact { display:flex; align-items:center; gap:15px; border:1px solid var(--blue); color:var(--blue); padding:8px 14px; border-radius:7px; white-space:nowrap; }
.nav-contact:hover { background:var(--ice); }
.nav-contact svg { width:17px; height:17px; fill:none; stroke:currentColor; stroke-width:1.5; stroke-linecap:round; stroke-linejoin:round; }
.sub-nav { border-bottom:1px solid var(--line); background:#fff; }
.sub-nav .container { display:flex; align-items:center; gap:28px; overflow-x:auto; scrollbar-width:thin; }
.sub-nav a { font-size:13px; font-weight:600; color:var(--muted); white-space:nowrap; padding:12px 0; border-bottom:2px solid transparent; }
.sub-nav a:hover { color:var(--blue); }
.sub-nav a[aria-current] { color:var(--blue); border-bottom-color:var(--blue); }
.hero { padding:52px 0 0; background:linear-gradient(#f8fafd 0%,#fff 60%); }
.hero-kicker { display:flex; justify-content:center; align-items:center; gap:10px; font-size:11px; font-weight:650; letter-spacing:.13em; color:#61748c; }
.hero-kicker>span { height:6px; width:6px; border-radius:50%; background:var(--blue); box-shadow:0 0 0 4px #e0ecfd; }
.hero h1 { text-align:center; font-size:62px; font-weight:650; line-height:1.28; margin:23px auto 19px; letter-spacing:-.055em; }
.hero h1 em { font-style:normal; color:#60758d; }
.hero-description { text-align:center; font-size:16px; line-height:1.85; }
.hero-actions { display:flex; justify-content:center; gap:15px; margin:28px 0 37px; }
.button { display:inline-flex; align-items:center; justify-content:center; gap:22px; font-size:13px; font-weight:600; padding:12px 21px; border-radius:7px; border:1px solid transparent; transition:transform .18s,background .18s; }
.button:hover { transform:translateY(-2px); }
.button.primary { background:var(--ink); color:#fff; }
.button.primary:hover { background:var(--deep); }
.button.secondary { background:#fff; border-color:#d6dfe8; color:var(--ink); }
.button.secondary:hover { background:#edf5ff; }
.hero-art { position:relative; overflow:hidden; border-radius:24px; border:1px solid #e4edf4; background:#f0f8fd; }
.hero-art img { width:100%; aspect-ratio:1.95; height:auto; object-fit:cover; }
.art-label { position:absolute; left:35px; top:45%; display:flex; flex-direction:column; gap:9px; }
.art-label b { font-size:12px; letter-spacing:.15em; color:var(--deep); }
.art-label span { font-size:14px; color:#526d86; }
.hero-art figcaption { position:absolute; right:15px; bottom:12px; color:#365474; background:#ffffffd9; padding:3px 10px; border-radius:3px; font-size:10px; }
.core-intro { display:grid; grid-template-columns:1fr 1fr; gap:70px; padding:39px 0 42px; border-bottom:1px solid var(--line); }
.core-intro article+article { border-left:1px solid var(--line); padding-left:50px; }
.core-intro article>span { font-size:10px; letter-spacing:.13em; color:#8190a2; }
.core-intro h2 { font-size:23px; margin:8px 0 7px; letter-spacing:-.025em; }
.core-intro p { font-size:13px; }
.section { padding:100px 0; }
.eyebrow { font-size:11px; letter-spacing:.16em; line-height:1.8; color:var(--blue); font-weight:650; margin-bottom:17px; }
.section-heading { margin-bottom:38px; }
.section-desc { max-width:780px; margin-top:15px; font-size:15px; line-height:1.85; }
.section-footnote { font-size:11px; color:#718294; margin-top:27px; }
.tabs-nav { display:none; }
.enhanced .tabs-nav { display:flex; }
.tab-panel+.tab-panel { border-top:1px solid var(--line); margin-top:36px; padding-top:36px; }
.enhanced .tab-panel { border:0; margin-top:0; padding-top:0; }
.platform-tabs { border-bottom:1px solid var(--line); gap:40px; margin-bottom:42px; }
.platform-tabs button { padding:10px 4px 16px; min-width:122px; border:0; background:transparent; font-size:17px; color:#7a8997; position:relative; }
.platform-tabs button[aria-selected="true"] { color:var(--ink); font-weight:700; }
.platform-tabs button[aria-selected="true"]::after { position:absolute; content:""; left:4px; right:4px; bottom:-1px; height:3px; background:var(--blue); border-radius:5px; }
.platform-panel { display:grid; grid-template-columns:.82fr 1.45fr; gap:58px; align-items:center; min-height:508px; }
.product-name { font-size:12px; color:var(--blue); font-weight:650; margin-bottom:12px; }
.platform-copy h3 { font-size:31px; line-height:1.55; max-width:340px; }
.platform-copy>p { font-size:14px; line-height:1.95; margin-top:16px; }
.feature-list { list-style:none; padding:0; margin:27px 0 22px; display:grid; gap:18px; }
.feature-list li { display:flex; gap:12px; }
.feature-list .icon { width:17px; height:17px; color:#2470d3; margin-top:4px; }
.feature-list b { display:block; font-size:14px; font-weight:600; margin-bottom:2px; }
.feature-list small { display:block; color:#718091; font-size:12px; line-height:1.8; }
.scope-tags { display:flex; flex-wrap:wrap; gap:8px; }
.scope-tags span { background:#f0f4f8; color:#647589; font-size:10px; padding:4px 9px; border-radius:3px; }
.product-window { border:1px solid #d7e2ef; background:#fff; border-radius:13px; box-shadow:0 24px 58px #2b466513; overflow:hidden; width:100%; }
.window-top { display:flex; align-items:center; gap:20px; padding:13px 18px; background:#f7f9fc; border-bottom:1px solid #e1e8f0; font-size:11px; color:#5c7189; }
.window-dots { display:flex; gap:5px; }
.window-dots i { width:5px; height:5px; border-radius:50%; background:#c9d5e2; }
.window-top>small { margin-left:auto; font-size:9px; color:#62778c; background:#edf2f7; border:1px solid #d8e3ed; padding:1px 6px; border-radius:3px; }
.window-body { display:grid; grid-template-columns:102px 1fr; min-height:410px; }
.window-sidebar { display:flex; flex-direction:column; gap:20px; padding:23px 15px; border-right:1px solid #e7edf4; color:#7b8c9e; background:#fbfcfe; font-size:10px; }
.window-sidebar .window-logo { font-size:23px; font-weight:750; color:var(--blue); line-height:1; margin-bottom:9px; }
.window-logo span { color:#62afd9; }
.window-sidebar>span:nth-child(2) { color:var(--blue); font-weight:700; }
.window-main { padding:27px 26px; background:linear-gradient(140deg,#fbfdff,#f3f7fc); min-width:0; }
.ui-title { display:flex; align-items:center; justify-content:space-between; gap:8px; }
.ui-title small { color:#8b9aad; font-size:9px; display:block; margin-bottom:5px; }
.ui-title h4 { font-size:19px; line-height:1.5; letter-spacing:-.03em; }
.ui-chip { font-size:9px; padding:3px 7px; color:#3f77bf; border:1px solid #cddff5; border-radius:3px; white-space:nowrap; }
.module-row { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:10px; margin:24px 0 18px; }
.module-row article { background:#fff; border:1px solid #e2eaf4; border-radius:6px; padding:17px 13px; }
.module-row .icon { width:23px; height:23px; color:#4e8fd5; margin-bottom:13px; }
.module-row b { font-size:12px; display:block; }
.module-row span { font-size:9px; color:#8a99a9; display:block; margin-top:2px; }
.ui-workflow { background:#fff; border:1px solid #e2eaf4; border-radius:7px; padding:16px; }
.ui-section-label { display:flex; justify-content:space-between; align-items:center; gap:10px; margin-bottom:8px; }
.ui-section-label b { font-size:11px; }
.ui-section-label>span { color:#8c9bad; font-size:8px; }
.work-row { display:flex; gap:10px; align-items:center; padding:12px 0 8px; }
.step-dot { width:23px; height:23px; border-radius:50%; background:#edf4fd; color:#5a83ba; display:grid; place-items:center; flex-shrink:0; font-size:10px; }
.work-row b { display:block; font-size:10px; font-weight:600; }
.work-row small { display:block; font-size:9px; color:#8d9aac; line-height:1.7; }
.pill { margin-left:auto; background:#f4f7fb; color:#8b9bab; font-size:8px; padding:2px 6px; border-radius:10px; }
.group-command { display:flex; align-items:center; justify-content:center; gap:12px; background:#e6f0fc; border:1px solid #d0e0f5; padding:18px 15px; margin-top:25px; border-radius:6px; }
.group-command .icon { width:28px; height:28px; color:var(--blue); }
.group-command b { display:block; color:#2d5a98; font-size:14px; }
.group-command small { display:block; color:#6d8eb4; font-size:9px; margin-top:2px; }
.campus-nodes { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:10px; margin:25px 0 18px; }
.campus-nodes>div { position:relative; text-align:center; padding:18px 5px; border:1px solid #dce8f5; background:#fff; border-top:2px solid #89b2e6; border-radius:4px; }
.campus-nodes>div::before { content:""; position:absolute; left:50%; width:1px; height:26px; background:#c6d9f1; top:-28px; }
.campus-nodes span,.campus-nodes b,.campus-nodes small { display:block; }
.campus-nodes span { font-size:9px; color:#6890bb; }
.campus-nodes b { font-size:12px; margin:8px 0; }
.campus-nodes small { font-size:8px; color:#8b9bac; }
.ui-workflow.compact { margin-top:17px; }
.resource-chips { display:flex; gap:7px; flex-wrap:wrap; margin-top:12px; }
.resource-chips span { background:#f0f5fb; color:#6686a9; padding:5px 9px; border-radius:4px; font-size:9px; }
.region-overview { display:grid; grid-template-columns:1fr 1fr; gap:12px; margin-top:25px; }
.region-core { background:#e6effb; border:1px solid #d5e3f5; border-radius:7px; padding:24px 15px; text-align:center; display:flex; align-items:center; flex-direction:column; }
.region-core .icon { width:37px; height:37px; color:#5184c8; margin-bottom:17px; }
.region-core b { font-size:13px; color:#365e92; }
.region-core small { font-size:8px; margin-top:8px; color:#7390b3; }
.region-topics { display:grid; gap:8px; }
.region-topics span { background:#fff; border:1px solid #e0e9f4; border-radius:5px; display:flex; align-items:center; padding:8px 13px; font-size:11px; color:#6482a5; }
.responsibility-row { display:flex; align-items:center; justify-content:space-between; gap:8px; text-align:center; padding:10px 3px; }
.responsibility-row b { font-size:10px; display:block; color:#526d8e; }
.responsibility-row small { font-size:8px; display:block; color:#93a4b6; margin-top:4px; }
.responsibility-row i { color:#b6c7db; font-size:16px; font-style:normal; }
.ai-section { background:#101e32; color:#fff; position:relative; overflow:hidden; }
.ai-section::before { content:""; position:absolute; width:650px; height:650px; border:1px solid #29435a; border-radius:50%; left:-460px; top:-200px; box-shadow:0 0 0 85px #2339541a,0 0 0 170px #2339540e; pointer-events:none; }
.ai-layout { display:grid; grid-template-columns:.83fr 1.18fr; gap:100px; align-items:center; position:relative; }
.ai-copy .eyebrow { color:#72a9ec; }
.assistant-mark { display:flex; align-items:center; gap:9px; font-size:17px; color:#c7dbf6; margin-top:24px; }
.assistant-mark .icon { width:24px; height:24px; color:#67a5ef; }
.ai-copy h2 { color:#fff; margin-top:19px; font-size:42px; line-height:1.5; }
.ai-copy>p:not(.eyebrow):not(.ai-boundary) { font-size:15px; color:#a8bace; line-height:1.95; margin-top:22px; }
.ai-skills { display:flex; flex-wrap:wrap; gap:9px; margin-top:25px; }
.ai-skills span { font-size:12px; color:#b7cde5; border:1px solid #314960; border-radius:5px; padding:6px 10px; }
.ai-boundary { font-size:11px; color:#7d95af; margin-top:26px; max-width:330px; line-height:1.9; }
.ai-demo { background:#f7f9fc; border:1px solid #52647d; border-radius:18px; box-shadow:0 25px 65px #0003; color:var(--ink); overflow:hidden; }
.assistant-top { display:flex; align-items:center; gap:12px; padding:20px 26px 17px; background:#fff; border-bottom:1px solid #e4eaf2; }
.assistant-orb { width:37px; height:37px; position:relative; border-radius:12px; background:radial-gradient(circle at 30% 25%,#9fdfff,#2576e6 60%,#0952d0); box-shadow:inset 0 0 0 2px #a2d2fc8c; display:flex; justify-content:center; align-items:center; gap:6px; }
.assistant-orb i { width:4px; height:8px; border-radius:8px; background:#edfbff; }
.assistant-top strong { display:block; font-size:16px; }
.assistant-top small { display:block; font-size:10px; color:#8d9daf; }
.assistant-top>span { margin-left:auto; color:#7990a7; font-size:10px; }
.ai-tabs { margin:17px 24px 0; border:1px solid #dce5ef; border-radius:6px; background:#eef2f7; padding:3px; gap:4px; }
.ai-tabs button { flex:1; border:0; background:none; font-size:12px; border-radius:4px; color:#74889e; padding:7px 8px; }
.ai-tabs button[aria-selected="true"] { background:#fff; color:var(--blue); box-shadow:0 1px 4px #2f517914; font-weight:650; }
.ai-panel { padding:22px 26px!important; min-height:373px; }
.user-prompt { margin-left:32px; padding:14px 17px; border:1px solid #dce8f8; background:#eaf2fd; border-radius:10px 10px 2px 10px; }
.user-prompt>span { font-size:8px; color:#7c9dc5; }
.user-prompt p { font-size:12px; line-height:1.9; color:#375c87; }
.assistant-answer { padding:19px 0 0; }
.answer-heading { display:flex; align-items:center; gap:8px; }
.answer-heading .icon { width:15px; height:15px; color:var(--blue); }
.answer-heading b { font-size:12px; }
.assistant-answer>p { font-size:11px; margin:9px 0 12px; color:#76899f; line-height:1.9; }
.assistant-answer ol { list-style:none; counter-reset:response; padding:0; margin:0; display:grid; gap:7px; }
.assistant-answer li { counter-increment:response; position:relative; background:#fff; border:1px solid #e6edf5; border-radius:5px; padding:10px 12px 10px 34px; }
.assistant-answer li::before { content:counter(response); position:absolute; left:12px; top:10px; color:#7e9bc1; font-size:10px; }
.assistant-answer li b { display:block; font-size:11px; color:#4e6684; }
.assistant-answer li span { display:block; font-size:10px; color:#8a9bb0; }
.human-check { display:flex; align-items:center; gap:7px; margin-top:12px; font-size:9px; color:#6d8894; }
.human-check .icon { width:13px; height:13px; color:#5b958d; }
.demo-note { padding:0 26px 20px; font-size:9px; color:#8596a9; line-height:1.8; }
.ai-role-row { display:flex; align-items:center; justify-content:space-between; gap:30px; padding-top:30px; margin-top:45px; border-top:1px solid #2a3d52; }
.ai-role-row>span { color:#6f91b6; font-size:12px; }
.ai-role-row p { font-size:13px; color:#b0c5dd; }
.ai-role-row i { font-style:normal; color:#4f6f92; margin:0 16px; }
.family-section { background:#f6f9f9; }
.family-layout { display:grid; grid-template-columns:1.12fr 1fr; gap:95px; align-items:center; }
.family-visual { min-height:546px; position:relative; border:1px solid #e0e8e9; border-radius:23px; background:linear-gradient(150deg,#edf5f5,#f6f9fc); overflow:hidden; display:flex; justify-content:center; align-items:center; isolation:isolate; }
.family-orbit { position:absolute; width:490px; height:490px; border:1px solid #dbe8ed; border-radius:50%; z-index:-1; }
.orbit-one { left:-40px; top:-90px; }
.orbit-two { right:-170px; bottom:-100px; border-color:#d1e1e8; }
.phone { position:relative; width:252px; padding:36px 18px 22px; border:5px solid #ccd8df; border-radius:30px; background:#fff; transform:rotate(-4deg); box-shadow:9px 22px 40px #4e6a7b1c,inset 0 0 0 1px #fff; }
.phone-island { position:absolute; width:66px; height:7px; border-radius:8px; background:#a7b9c8; left:calc(50% - 33px); top:12px; }
.phone-top { display:flex; justify-content:space-between; align-items:center; font-size:12px; font-weight:650; color:#3d687b; }
.phone-top .icon { width:17px; height:17px; }
.phone h3 { font-size:24px; margin:20px 0 14px; line-height:1.5; letter-spacing:-.04em; color:#214451; }
.phone-intro { background:#eaf4f2; border-radius:7px; padding:12px; margin-bottom:18px; }
.phone-intro>span { font-size:10px; color:#44726b; font-weight:600; }
.phone-intro p { font-size:8px; color:#81a29c; margin-top:3px; }
.phone-row { display:flex; gap:10px; padding:11px 0; border-bottom:1px solid #edf2f4; }
.phone-row .icon { width:21px; height:21px; color:#5e9aa6; margin-top:4px; }
.phone-row b { display:block; font-size:11px; color:#53717f; font-weight:550; }
.phone-row small { display:block; font-size:8px; color:#8eabb4; }
.phone-bottom { text-align:center; font-size:9px; color:#a0b5bd; padding-top:17px; }
.school-note,.feedback-note { position:absolute; border:1px solid #dce7ea; background:#ffffffec; border-radius:11px; box-shadow:0 12px 24px #5269740c; z-index:2; }
.school-note { left:24px; top:67px; width:127px; padding:15px; }
.school-note>span,.feedback-note>span { display:block; font-size:8px; letter-spacing:.09em; color:#8aa3ab; margin-bottom:10px; }
.school-note .icon { width:24px; height:24px; color:#6a969f; margin-bottom:11px; }
.school-note b { font-size:12px; color:#4c7079; }
.school-note p { font-size:9px; color:#8fa5ae; margin-top:5px; }
.feedback-note { right:17px; bottom:90px; width:124px; padding:14px 16px; }
.feedback-note .icon { width:22px; height:22px; color:#73a9aa; margin-bottom:10px; }
.feedback-note b { font-size:12px; color:#54767d; }
.visual-note { position:absolute; bottom:14px; left:0; width:100%; text-align:center; font-size:9px; color:#8fa5ad; }
.family-copy .eyebrow { color:#658e90; }
.family-copy h2 { font-size:38px; line-height:1.5; }
.family-copy .section-desc { max-width:420px; font-size:14px; }
.family-steps { list-style:none; padding:0; display:grid; gap:23px; margin:28px 0; }
.family-steps li { display:flex; gap:20px; }
.family-steps li>span { font-size:11px; color:#6b9b9d; margin-top:5px; font-family:Arial,sans-serif; }
.family-steps h3 { font-size:18px; margin-bottom:7px; letter-spacing:-.02em; }
.family-steps p { font-size:13px; line-height:1.85; }
.text-link { display:inline-flex; align-items:center; gap:15px; font-size:12px; font-weight:650; color:var(--blue); }
.text-link:hover { text-decoration:underline; text-underline-offset:5px; }
.ecosystem-section .section-heading { max-width:1000px; }
.series-tabs { display:none; gap:14px; margin:0 0 30px; }
.enhanced .series-tabs { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); }
.series-tabs button { display:flex; gap:16px; align-items:center; border:1px solid #dee6ef; background:#fff; border-radius:9px; text-align:left; padding:17px 21px; color:#788b9e; transition:background .2s,border .2s; }
.series-tabs button>b { font-size:32px; font-weight:500; color:#a6b7c8; font-family:Arial,sans-serif; line-height:1; }
.series-tabs button>span { font-size:13px; font-weight:600; line-height:1.5; }
.series-tabs small { display:block; font-size:9px; color:#9dacba; margin-top:3px; font-weight:400; }
.series-tabs button[aria-selected="true"] { border-color:#9bb9e4; background:#f0f6ff; color:var(--deep); }
.series-tabs button[aria-selected="true"]>b { color:var(--blue); }
.series-tabs button[aria-selected="true"] small { color:#6086b7; }
.series-panel { display:grid; grid-template-columns:1.24fr 1fr; border:1px solid #dfe7ef!important; border-radius:17px; overflow:hidden; background:#f8fafd; }
.series-panel figure { position:relative; min-height:403px; background:#eaf4fb; }
.series-panel img { width:100%; height:100%; object-fit:cover; }
.series-panel figcaption { position:absolute; left:15px; bottom:13px; background:#ffffffe0; color:#53778e; font-size:9px; border-radius:4px; padding:3px 8px; }
.series-copy { padding:37px 38px 27px; }
.series-copy .eyebrow { font-size:10px; margin-bottom:14px; }
.series-copy h3 { font-size:28px; line-height:1.55; }
.series-copy>p:not(.eyebrow) { font-size:13px; margin-top:17px; line-height:1.95; }
.series-copy ul { list-style:none; padding:0; margin:22px 0; display:grid; gap:11px; }
.series-copy li { display:flex; gap:9px; font-size:12px; color:#52697f; line-height:1.85; }
.series-copy li .icon { width:15px; height:15px; color:#6997c8; margin-top:3px; }
.series-places { font-size:10px; color:#8a9aaa; border-top:1px solid #dce6ef; padding-top:15px; }
.ecosystem-note { display:flex; align-items:flex-start; gap:14px; background:#f4f7fa; border:1px solid #e7ecf2; padding:17px 20px; margin-top:20px; border-radius:7px; }
.ecosystem-note .icon { width:20px; height:20px; color:#8a9dac; margin-top:3px; }
.ecosystem-note p { font-size:11px; color:#7a8d9e; line-height:1.9; }
.collaboration-section { background:#f6f8fb; }
.collaboration-section .section-heading { text-align:center; }
.collaboration-section .section-desc { margin-inline:auto; }
.collaboration-board { background:#fff; border:1px solid #e1e8f0; border-radius:17px; padding:34px; }
.core-pair { display:grid; grid-template-columns:1fr 40px 1fr; gap:25px; align-items:center; max-width:875px; margin:0 auto; }
.core-pair article { display:flex; gap:20px; align-items:center; padding:26px; background:#f7fafd; border:1px solid #e1eaf4; border-radius:10px; }
.core-icon { width:49px; height:49px; display:grid; place-items:center; flex-shrink:0; color:var(--blue); border:1px solid #d7e7f8; background:#edf5ff; border-radius:10px; }
.core-icon .icon { width:27px; height:27px; }
.core-pair small { color:#8ca0b6; font-size:10px; display:block; }
.core-pair h3 { font-size:23px; margin:2px 0 6px; }
.core-pair p { font-size:11px; color:#71859a; }
.core-plus { color:#a5b7ca; font-size:30px; font-weight:300; text-align:center; }
.collaboration-caption { display:flex; align-items:center; justify-content:center; gap:20px; margin:29px 0; font-size:11px; color:#8c9eb0; }
.collaboration-caption::before,.collaboration-caption::after { content:""; width:65px; height:1px; background:#e0e8f0; }
.collaboration-flow { display:flex; justify-content:space-between; align-items:center; gap:16px; padding-top:25px; border-top:1px solid #e6edf3; }
.collaboration-flow>div { text-align:center; flex:1; }
.collaboration-flow b { display:block; font-size:16px; color:#55708b; }
.collaboration-flow span { display:block; font-size:10px; margin-top:6px; color:#9aabbc; }
.collaboration-flow i { font-style:normal; color:#b7c7d8; }
.delivery-heading { display:grid; grid-template-columns:1.1fr 1fr; gap:120px; align-items:center; margin-bottom:45px; }
.delivery-heading h2 { font-size:37px; line-height:1.5; }
.delivery-heading>p { font-size:15px; line-height:2; }
.delivery-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:40px; }
.delivery-grid article { border-top:1px solid #cdd9e6; padding-top:23px; }
.delivery-grid article>span { font-size:11px; color:#90a4ba; font-family:Arial,sans-serif; }
.delivery-grid h3 { font-size:22px; margin:14px 0; }
.delivery-grid p { font-size:13px; line-height:1.95; }
.contact-section { background:#eaf1fa; padding:60px 0; border-top:1px solid #dde7f3; }
.contact-inner { display:flex; align-items:center; justify-content:space-between; gap:45px; }
.contact-inner .eyebrow { font-size:9px; color:#6a86a9; }
.contact-inner h2 { font-size:32px; }
.contact-inner p:not(.eyebrow) { font-size:13px; margin-top:14px; color:#7890ac; }
.contact-inner .button { flex-shrink:0; }
.footer { background:var(--deep); color:#c7d4e8; margin-top:0; }
.footer a { color:#c7d4e8; }
.footer a:hover { color:#fff; }
.footer-main { display:flex; justify-content:space-between; align-items:flex-start; gap:40px; padding:48px 0 32px; }
.footer-name { font-size:20px; font-weight:700; color:#fff; letter-spacing:.02em; margin-bottom:10px; }
.footer-main>div:first-child p { font-size:13px; color:#9db0c9; max-width:400px; line-height:1.9; margin-top:8px; }
.footer-links { display:flex; flex-wrap:wrap; gap:24px; font-size:13px; }
.footer-bottom { display:flex; justify-content:space-between; gap:20px; font-size:12px; color:#8ca0bc; padding:20px 0; border-top:1px solid rgba(255,255,255,.12); flex-wrap:wrap; }
.footer-bottom a { color:#8ca0bc; }
.footer-bottom a:hover { color:#fff; }
.footer-top { display:flex; justify-content:space-between; align-items:center; padding:40px 0 28px; gap:25px; }
.footer-top strong { font-size:20px; letter-spacing:.02em; }
.footer-top p { font-size:11px; color:#91a0ad; margin-top:8px; }
.footer-top>div:last-child { display:flex; gap:28px; font-size:11px; color:#6b7c8d; }
.footer-top a:hover { color:var(--blue); }
.footer-bottom { display:flex; justify-content:space-between; gap:20px; font-size:10px; color:#9aa7b4; padding:20px 0; border-top:1px solid #e7ecf1; }

@media(max-width:1100px) {
  .container { width:calc(100% - 64px); }
  #main-nav { gap:22px; }
  .hero h1 { font-size:55px; }
  .platform-panel { gap:35px; grid-template-columns:.82fr 1.3fr; }
  .platform-copy h3 { font-size:28px; }
  .window-body { grid-template-columns:88px 1fr; }
  .window-main { padding:23px 20px; }
  .window-sidebar { padding-inline:12px; font-size:9px; }
  .window-top { gap:12px; font-size:10px; padding-inline:15px; }
  .ui-title h4 { font-size:17px; }
  .module-row { gap:7px; }
  .module-row article { padding:13px 9px; }
  .module-row b { font-size:11px; }
  .module-row span { font-size:8px; }
  .window-main .ui-chip { display:none; }
  .ai-layout { gap:60px; }
  .ai-copy h2 { font-size:37px; }
  .family-layout { gap:55px; }
  .school-note { left:14px; width:108px; top:45px; }
  .feedback-note { right:10px; width:106px; }
  .phone { width:237px; }
  .family-copy h2 { font-size:33px; }
  .series-copy { padding:28px; }
  .series-copy h3 { font-size:25px; }
  .core-pair { gap:18px; }
  .core-pair article { padding:22px; gap:15px; }
  .delivery-heading { gap:65px; }
  .delivery-heading h2 { font-size:32px; }
}
@media(max-width:900px) {
  :root { --header:69px; }
  .brand b { font-size:17px; }
  .brand img { width:34px; height:34px; }
  .header-inner { flex-wrap:wrap; }
  #main-nav { width:100%; flex-wrap:wrap; padding:10px 0 20px; }
  .enhanced .menu-toggle { display:block; }
  .enhanced #main-nav { display:none; position:absolute; inset:calc(var(--header) - 1px) 0 auto; padding:22px 32px; border-bottom:1px solid #dce6ee; background:#fff; flex-direction:column; align-items:stretch; gap:4px; box-shadow:0 20px 30px #38536a0d; }
  .enhanced #main-nav.open { display:flex; }
  .enhanced #main-nav a { padding:11px 12px; }
  .enhanced #main-nav .nav-cta { margin-top:9px; justify-content:space-between; }
  .hero { padding-top:42px; }
  .hero h1 { font-size:47px; }
  .hero-description { font-size:14px; }
  .art-label { left:23px; }
  .art-label b { font-size:10px; }
  .art-label span { font-size:11px; }
  .core-intro { gap:30px; }
  .core-intro article+article { padding-left:30px; }
  .core-intro h2 { font-size:19px; }
  .core-intro p { font-size:12px; }
  .section { padding:76px 0; }
  h2 { font-size:33px; }
  .section-desc { font-size:14px; }
  .platform-panel { grid-template-columns:1fr; gap:30px; }
  .platform-copy h3 { max-width:100%; font-size:29px; }
  .platform-copy>p { max-width:630px; }
  .feature-list { grid-template-columns:repeat(3,minmax(0,1fr)); gap:20px; }
  .feature-list li { gap:8px; }
  .feature-list b { font-size:13px; }
  .feature-list small { font-size:11px; }
  .product-window { max-width:100%; }
  .window-body { grid-template-columns:112px 1fr; }
  .window-main { padding:26px; }
  .window-sidebar { font-size:11px; padding-left:20px; }
  .window-top { font-size:11px; }
  .ui-title h4 { font-size:21px; }
  .module-row article { padding:18px; }
  .module-row b { font-size:13px; }
  .module-row span { font-size:10px; }
  .work-row b { font-size:12px; }
  .work-row small { font-size:10px; }
  .ai-layout { gap:35px; grid-template-columns:.8fr 1fr; }
  .ai-copy h2 { font-size:32px; }
  .ai-copy>p:not(.eyebrow):not(.ai-boundary) { font-size:13px; }
  .ai-skills span { font-size:10px; padding:5px 8px; }
  .assistant-top { padding:18px 19px; }
  .ai-tabs { margin:15px 17px 0; }
  .ai-tabs button { font-size:10px; padding:7px 4px; }
  .ai-panel { padding:18px 20px!important; }
  .user-prompt { margin-left:15px; padding:12px; }
  .user-prompt p { font-size:11px; }
  .demo-note { padding-inline:20px; }
  .ai-role-row { gap:20px; }
  .ai-role-row p { font-size:11px; }
  .ai-role-row i { margin:0 8px; }
  .family-layout { gap:40px; }
  .family-visual { min-height:500px; }
  .school-note,.feedback-note { display:none; }
  .phone { width:220px; transform:rotate(-3deg); padding:32px 15px 20px; }
  .phone h3 { font-size:22px; }
  .school-note { width:94px; top:42px; padding:12px; left:8px; }
  .school-note p { font-size:8px; }
  .feedback-note { width:99px; right:8px; bottom:53px; padding:12px; }
  .family-copy h2 { font-size:29px; }
  .family-copy .section-desc { font-size:13px; }
  .family-steps { gap:19px; }
  .family-steps li { gap:13px; }
  .family-steps h3 { font-size:17px; }
  .family-steps p { font-size:12px; }
  .series-tabs { gap:10px; }
  .series-tabs button { gap:12px; padding:14px 15px; }
  .series-tabs button>b { font-size:28px; }
  .series-tabs button>span { font-size:12px; }
  .series-panel { grid-template-columns:1.13fr 1fr; }
  .series-panel figure { min-height:400px; }
  .series-copy { padding:26px; }
  .series-copy h3 { font-size:23px; }
  .series-copy>p:not(.eyebrow) { font-size:12px; }
  .series-copy li { font-size:11px; }
  .series-places { font-size:9px; }
  .core-pair { gap:12px; grid-template-columns:1fr 28px 1fr; }
  .core-pair article { padding:20px; gap:12px; }
  .core-icon { width:39px; height:39px; }
  .core-icon .icon { width:22px; height:22px; }
  .core-pair h3 { font-size:20px; }
  .core-pair p { font-size:10px; }
  .collaboration-flow b { font-size:14px; }
  .collaboration-flow span { font-size:9px; }
  .delivery-heading { gap:45px; }
  .delivery-heading h2 { font-size:29px; }
  .delivery-heading>p { font-size:13px; }
  .delivery-grid { gap:25px; }
  .delivery-grid h3 { font-size:19px; }
  .delivery-grid p { font-size:12px; }
  .contact-inner h2 { font-size:27px; }
  .footer-top>div:last-child { gap:18px; }
}
@media(max-width:680px) {
  :root { --header:66px; }
  .container { width:calc(100% - 40px); }
  html { scroll-padding-top:92px; }
  body { font-size:14px; }
  .brand b { font-size:16px; }
  .brand small { font-size:7px; }
  .brand img { width:32px; height:32px; }
  .enhanced #main-nav { padding-inline:20px; }
  .hero { padding-top:35px; }
  .hero-kicker { font-size:8px; gap:8px; letter-spacing:.08em; }
  .hero-kicker>span { width:5px; height:5px; }
  .hero h1 { font-size:33px; line-height:1.4; letter-spacing:-.06em; margin:21px 0 17px; }
  .hero-description { font-size:12px; line-height:1.95; }
  .hero-actions { gap:10px; margin:24px 0 28px; }
  .button { font-size:11px; gap:12px; padding:11px 14px; border-radius:5px; }
  .button svg { width:15px; height:15px; }
  .hero-art { border-radius:13px; margin-inline:-5px; }
  .hero-art img { aspect-ratio:1.18; object-fit:cover; object-position:75% center; }
  .art-label { left:16px; top:19px; gap:4px; padding:6px 10px; border-radius:4px; background:#ffffffb8; }
  .art-label b { font-size:8px; letter-spacing:.09em; }
  .art-label span { font-size:9px; }
  .hero-art figcaption { font-size:8px; bottom:8px; right:8px; padding:2px 6px; }
  .core-intro { grid-template-columns:1fr; gap:22px; padding:28px 0 32px; }
  .core-intro article+article { border-left:0; border-top:1px solid #e7ecf2; padding:20px 0 0; }
  .core-intro article>span { font-size:8px; }
  .core-intro h2 { font-size:21px; margin:7px 0 7px; }
  .core-intro p { font-size:12px; line-height:1.9; }
  .section { padding:57px 0; }
  .eyebrow { font-size:9px; letter-spacing:.1em; margin-bottom:14px; }
  h2 { font-size:29px; line-height:1.5; letter-spacing:-.045em; }
  .section-heading { margin-bottom:26px; }
  .section-desc { font-size:12px; margin-top:13px; line-height:1.95; }
  .platform-tabs { gap:0; justify-content:space-between; margin-bottom:27px; }
  .platform-tabs button { min-width:0; flex:1; font-size:14px; padding:9px 3px 13px; }
  .platform-tabs button[aria-selected="true"]::after { left:10px; right:10px; height:2px; }
  .platform-panel { gap:28px; min-height:0; }
  .product-name { font-size:11px; margin-bottom:9px; }
  .platform-copy h3 { font-size:25px; line-height:1.55; }
  .platform-copy>p { font-size:12px; margin-top:14px; }
  .feature-list { grid-template-columns:1fr; gap:16px; margin:23px 0 19px; }
  .feature-list li { gap:10px; }
  .feature-list b { font-size:13px; }
  .feature-list small { font-size:11px; line-height:1.9; }
  .scope-tags span { font-size:9px; }
  .product-window { border-radius:10px; }
  .window-top { gap:8px; padding:11px 12px; font-size:9px; }
  .window-top>small { font-size:7px; padding:1px 4px; }
  .window-dots { gap:3px; }
  .window-dots i { width:3px; height:3px; }
  .window-body { display:block; min-height:0; }
  .window-sidebar { display:none; }
  .window-main { padding:20px 17px; }
  .ui-title h4 { font-size:18px; }
  .ui-title small { font-size:8px; }
  .module-row { gap:7px; margin:20px 0 14px; }
  .module-row article { padding:13px 9px; }
  .module-row .icon { width:21px; height:21px; margin-bottom:11px; }
  .module-row b { font-size:11px; }
  .module-row span { font-size:8px; }
  .ui-workflow { padding:13px; }
  .ui-section-label b { font-size:10px; }
  .ui-section-label>span { font-size:7px; }
  .work-row { gap:8px; padding:11px 0 6px; }
  .step-dot { width:21px; height:21px; font-size:9px; }
  .work-row b { font-size:10px; }
  .work-row small { font-size:8px; }
  .pill { font-size:7px; padding:2px 4px; }
  .section-footnote { font-size:10px; margin-top:20px; line-height:1.85; }
  .group-command { margin-top:20px; padding:15px; }
  .group-command b { font-size:13px; }
  .group-command small { font-size:8px; }
  .campus-nodes { gap:7px; margin-top:21px; }
  .campus-nodes>div { padding:16px 4px; }
  .campus-nodes>div::before { height:22px; top:-24px; }
  .campus-nodes span { font-size:8px; }
  .campus-nodes b { font-size:11px; margin:7px 0; }
  .campus-nodes small { font-size:7px; }
  .resource-chips { gap:5px; }
  .resource-chips span { font-size:8px; padding:5px 7px; }
  .region-overview { gap:10px; margin-top:21px; }
  .region-core { padding:22px 10px; }
  .region-core b { font-size:12px; }
  .region-core small { font-size:7px; }
  .region-topics span { font-size:10px; padding:8px 10px; }
  .responsibility-row { gap:6px; }
  .responsibility-row b { font-size:9px; }
  .responsibility-row small { font-size:7px; }
  .ai-layout { grid-template-columns:1fr; gap:30px; }
  .assistant-mark { font-size:15px; margin-top:19px; }
  .ai-copy h2 { font-size:33px; line-height:1.5; margin-top:15px; }
  .ai-copy>p:not(.eyebrow):not(.ai-boundary) { font-size:13px; margin-top:17px; line-height:1.95; }
  .ai-skills { gap:7px; margin-top:20px; }
  .ai-skills span { font-size:10px; padding:6px 8px; }
  .ai-boundary { font-size:10px; margin-top:20px; }
  .ai-demo { border-radius:13px; }
  .assistant-top { padding:17px 18px; }
  .assistant-top strong { font-size:15px; }
  .assistant-top small { font-size:9px; }
  .assistant-top>span { font-size:9px; }
  .assistant-orb { width:34px; height:34px; border-radius:11px; }
  .ai-tabs { margin:16px 15px 0; gap:3px; }
  .ai-tabs button { font-size:11px; padding:7px 4px; }
  .ai-panel { padding:18px!important; min-height:0; }
  .user-prompt { margin-left:18px; padding:13px; }
  .user-prompt>span { font-size:7px; }
  .user-prompt p { font-size:11px; }
  .assistant-answer>p { font-size:10px; line-height:1.95; }
  .assistant-answer li b { font-size:10px; }
  .assistant-answer li span { font-size:9px; }
  .answer-heading b { font-size:11px; }
  .human-check { font-size:8px; }
  .demo-note { font-size:8px; padding:0 18px 17px; }
  .ai-role-row { align-items:flex-start; flex-direction:column; gap:12px; margin-top:30px; padding-top:24px; }
  .ai-role-row>span { font-size:10px; }
  .ai-role-row p { font-size:11px; line-height:2.1; }
  .ai-role-row i { margin:0 5px; }
  .family-layout { display:flex; flex-direction:column-reverse; gap:32px; align-items:stretch; }
  .family-copy h2 { font-size:30px; }
  .family-copy .section-desc { font-size:12px; }
  .family-steps { gap:20px; margin:25px 0; }
  .family-steps h3 { font-size:17px; }
  .family-steps p { font-size:12px; }
  .family-steps li>span { font-size:10px; }
  .text-link { font-size:11px; }
  .family-visual { min-height:503px; border-radius:16px; }
  .phone { width:228px; padding:33px 17px 20px; border-width:4px; border-radius:28px; }
  .phone h3 { font-size:23px; }
  .school-note { left:12px; top:41px; width:95px; padding:12px; }
  .school-note b { font-size:11px; }
  .school-note p { font-size:8px; }
  .feedback-note { width:106px; bottom:59px; right:10px; }
  .feedback-note b { font-size:11px; }
  .visual-note { font-size:8px; }
  .enhanced .series-tabs { grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px; margin-bottom:24px; }
  .series-tabs button { padding:15px 17px; gap:14px; }
  .series-tabs button>b { font-size:29px; }
  .series-tabs button>span { font-size:12px; }
  .series-tabs small { font-size:9px; }
  .series-panel { grid-template-columns:1fr; border-radius:13px; }
  .series-panel figure { min-height:0; }
  .series-panel img { width:100%; height:auto; aspect-ratio:1.42; object-fit:cover; }
  .series-panel figcaption { font-size:8px; bottom:9px; left:9px; }
  .series-copy { padding:26px 23px; }
  .series-copy h3 { font-size:26px; line-height:1.55; }
  .series-copy .eyebrow { font-size:9px; margin-bottom:12px; }
  .series-copy>p:not(.eyebrow) { font-size:12px; line-height:1.95; }
  .series-copy ul { gap:11px; margin:19px 0; }
  .series-copy li { font-size:11px; line-height:1.9; }
  .series-copy li .icon { width:14px; height:14px; }
  .series-places { font-size:9px; padding-top:14px; }
  .ecosystem-note { padding:15px; gap:10px; margin-top:17px; }
  .ecosystem-note .icon { width:17px; height:17px; }
  .ecosystem-note p { font-size:10px; line-height:1.95; }
  .collaboration-section .section-heading { text-align:left; }
  .collaboration-board { padding:22px; border-radius:13px; }
  .core-pair { grid-template-columns:1fr; gap:12px; }
  .core-pair article { padding:20px; gap:17px; }
  .core-plus { line-height:1; font-size:21px; }
  .core-pair h3 { font-size:23px; }
  .core-pair small { font-size:9px; }
  .core-pair p { font-size:10px; }
  .core-icon { width:43px; height:43px; }
  .collaboration-caption { gap:8px; font-size:9px; margin:22px -6px; }
  .collaboration-caption::before,.collaboration-caption::after { width:20px; }
  .collaboration-flow { display:grid; grid-template-columns:1fr; gap:10px; padding-top:22px; }
  .collaboration-flow i { text-align:center; transform:rotate(90deg); }
  .collaboration-flow b { font-size:17px; }
  .collaboration-flow span { font-size:10px; margin-top:4px; }
  .delivery-heading { grid-template-columns:1fr; gap:23px; margin-bottom:30px; }
  .delivery-heading h2 { font-size:30px; }
  .delivery-heading>p { font-size:13px; line-height:1.95; }
  .delivery-grid { grid-template-columns:1fr; gap:28px; }
  .delivery-grid article { padding-top:17px; }
  .delivery-grid h3 { font-size:22px; margin:10px 0 12px; }
  .delivery-grid p { font-size:12px; }
  .delivery-grid article>span { font-size:10px; }
  .contact-section { padding:42px 0; }
  .contact-inner { align-items:flex-start; flex-direction:column; gap:25px; }
  .contact-inner h2 { font-size:29px; line-height:1.5; }
  .contact-inner p:not(.eyebrow) { font-size:12px; }
  .contact-inner .button { font-size:12px; padding:12px 19px; }
  .footer-top { flex-direction:column; align-items:flex-start; padding:31px 0 25px; gap:25px; }
  .footer-top strong { font-size:20px; }
  .footer-top p { font-size:10px; }
  .footer-top>div:last-child { gap:17px; font-size:10px; flex-wrap:wrap; }
  .footer-bottom { flex-direction:column; gap:6px; font-size:9px; padding:18px 0; }
}
@media(max-width:360px) {
  .container { width:calc(100% - 32px); }
  .hero h1 { font-size:29px; }
  .hero-kicker { font-size:7px; }
  .hero-description { font-size:11px; }
  .hero-actions { gap:8px; }
  .hero-actions .button { font-size:10px; padding:11px 12px; gap:8px; }
  .hero-art img { aspect-ratio:1.1; }
  h2 { font-size:26px; }
  .platform-copy h3 { font-size:23px; }
  .window-main { padding:17px 13px; }
  .window-top { font-size:8px; padding-inline:10px; }
  .module-row article { padding:11px 7px; }
  .module-row span { font-size:7px; }
  .ui-title h4 { font-size:16px; }
  .ui-workflow { padding:11px; }
  .work-row small { font-size:7px; }
  .pill { display:none; }
  .campus-nodes b { font-size:10px; }
  .resource-chips span { font-size:7px; padding:5px 6px; }
  .family-visual { min-height:490px; }
  .phone { width:212px; }
  .school-note { left:5px; width:83px; padding:10px; }
  .feedback-note { right:5px; width:96px; }
  .series-tabs button { gap:10px; padding:14px; }
  .series-copy { padding:24px 20px; }
  .series-copy h3 { font-size:24px; }
  .ai-tabs button { font-size:10px; }
  .collaboration-board { padding:18px; }
  .core-pair article { padding:18px 15px; }
  .delivery-heading h2,.contact-inner h2 { font-size:27px; }
}
@media(prefers-reduced-motion:reduce) { *,*::before,*::after { transition:none!important; animation:none!important; } }
@media print {
  .site-header,.tabs-nav,.hero-actions,.contact-section,.footer-top>div:last-child,.skip-link { display:none!important; }
  .container { width:100%; }
  .hero { padding:0; }
  .hero h1 { font-size:35px; }
  .hero-art { max-height:400px; }
  .section { padding:28px 0; break-inside:avoid; }
  .tab-panel[hidden] { display:grid!important; }
  .ai-panel[hidden] { display:block!important; }
  .ai-section { background:#eef2f7; color:#14283e; }
  .ai-copy h2 { color:#14283e; }
  .product-window,.ai-demo { box-shadow:none; }
}

/* ══ 统一头栏覆盖（对齐品牌门户 brand.css，保证导航一致性） ══ */
.site-header { height:84px; min-height:84px; border-bottom:1px solid #edf1f5; background:rgba(255,255,255,.97); }
.header-inner { height:100%; min-height:0; }
.brand { gap:10px; line-height:1.2; }
.brand img { width:43px; height:43px; object-fit:contain; }
.brand strong { display:block; font-size:22px; letter-spacing:.025em; color:#086a9a; line-height:1.2; }
.brand small { display:block; font-size:8px; letter-spacing:.15em; color:#426377; margin-top:6px; line-height:1.4; }
#main-nav { display:flex; align-items:center; gap:30px; font-size:14px; font-weight:600; }
#main-nav > a:not(.nav-contact) { position:relative; white-space:nowrap; padding:28px 0; color:#1a304a; }
#main-nav > a:not(.nav-contact):hover { color:var(--cyan, #0a74b2); }
#main-nav > a[aria-current] { color:#002fa7; }
#main-nav > a[aria-current]::after { position:absolute; content:""; height:3px; bottom:15px; width:20px; left:calc(50% - 10px); background:#002fa7; border-radius:5px; }
.nav-contact { display:flex; align-items:center; gap:15px; border:1px solid #002fa7; color:#002fa7; padding:9px 17px; border-radius:5px; white-space:nowrap; }
.nav-contact:hover { background:#edf5ff; }
.nav-contact svg { width:17px; height:17px; fill:none; stroke:currentColor; stroke-width:1.6; stroke-linecap:round; stroke-linejoin:round; }