:root {
    color-scheme: dark;
    --black: #050604;
    --black-2: #090b09;
    --surface: #0e100d;
    --surface-2: #141610;
    --line: #2a2c25;
    --line-strong: #47463a;
    --gold: #d0a84f;
    --gold-bright: #efc35f;
    --gold-muted: #8e7541;
    --ivory: #f2f0e9;
    --text: #c9c8c1;
    --muted: #85867f;
    --green: #58c87b;
    font-family: "Microsoft YaHei UI", "Microsoft YaHei", "Segoe UI", sans-serif;
    scroll-behavior: smooth;
}

* { box-sizing: border-box; }
html { scroll-padding-top: 80px; background: var(--black); }
body { margin: 0; overflow-x: hidden; background: var(--black); color: var(--ivory); }
a { color: inherit; }
img { max-width: 100%; }

.public-header {
    position: sticky;
    top: 0;
    z-index: 50;
    min-height: 72px;
    padding: 0 max(32px, calc((100vw - 1280px) / 2));
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 38px;
    border-bottom: 1px solid var(--line);
    background: rgba(5, 6, 4, .96);
    backdrop-filter: blur(16px);
}

.public-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; white-space: nowrap; }
.public-brand img { width: 45px; height: 45px; object-fit: contain; }
.public-brand strong, .public-brand small { display: block; }
.public-brand strong { font-size: 16px; letter-spacing: .05em; }
.public-brand small { margin-top: 3px; color: #8f9088; font-size: 9px; letter-spacing: .16em; }
.public-header nav, footer nav { display: flex; align-items: center; gap: 36px; }
.public-header nav a, footer nav a { position: relative; color: #d4d3cd; font-size: 13px; font-weight: 700; text-decoration: none; }
.public-header nav a::after { content: ""; position: absolute; right: 0; bottom: -25px; left: 0; height: 2px; background: transparent; }
.public-header nav a:hover, .public-header nav a:focus-visible, footer nav a:hover, footer nav a:focus-visible { color: var(--gold-bright); }
.public-header nav a:hover::after, .public-header nav a:focus-visible::after { background: var(--gold); }
.header-slogan { justify-self: end; color: #a9a79e; font-size: 12px; letter-spacing: .08em; }

.hero { border-bottom: 1px solid var(--line); background: var(--black-2); }
.hero-grid { width: min(1280px, calc(100% - 64px)); min-height: 610px; margin: 0 auto; padding: 74px 0 62px; display: grid; grid-template-columns: .92fr 1.08fr; gap: 78px; align-items: center; }
.eyebrow, .section-kicker { color: var(--gold-bright); font-size: 10px; font-weight: 900; letter-spacing: .24em; }
.hero h1 { margin: 20px 0 9px; font-size: clamp(53px, 5.3vw, 80px); line-height: 1.08; letter-spacing: -.06em; }
.hero h1 span { color: var(--gold-bright); }
.hero h2 { margin: 0 0 24px; color: #dedbd2; font-size: clamp(20px, 2vw, 28px); font-weight: 600; letter-spacing: .02em; }
.hero-copy > p { max-width: 590px; margin: 0; color: #9f9f99; font-size: 15px; line-height: 1.9; }
.hero-actions { margin-top: 32px; display: flex; gap: 12px; }
.button { min-width: 168px; min-height: 48px; padding: 0 24px; border: 1px solid transparent; border-radius: 2px; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 900; text-decoration: none; transition: background .18s ease, border-color .18s ease, color .18s ease, transform .18s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { border-color: var(--gold); background: var(--gold); color: #17140d; }
.button-primary:hover { border-color: var(--gold-bright); background: var(--gold-bright); }
.button-outline { border-color: #686962; color: var(--ivory); background: transparent; }
.button-outline:hover { border-color: var(--gold); color: var(--gold-bright); }
.hero-points { margin-top: 45px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.hero-points span { min-width: 0; padding-left: 12px; border-left: 1px solid var(--gold-muted); }
.hero-points b, .hero-points small { display: block; }
.hero-points b { font-size: 12px; }
.hero-points small { margin-top: 5px; color: var(--muted); font-size: 10px; line-height: 1.55; }

.execution-panel { position: relative; border: 1px solid #3b3c35; background: #0a0c0a; box-shadow: 22px 25px 0 #070806, 22px 25px 0 1px #24261f; }
.execution-panel::before { content: ""; position: absolute; inset: 7px; pointer-events: none; border: 1px solid #171915; }
.panel-titlebar { position: relative; z-index: 1; min-height: 58px; padding: 0 20px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); color: #6f716b; font-size: 9px; letter-spacing: .12em; }
.panel-brand { display: flex; align-items: center; gap: 9px; color: var(--ivory); letter-spacing: 0; }
.panel-brand img { width: 30px; height: 30px; object-fit: contain; }
.panel-brand b { font-size: 13px; }
.panel-metrics { position: relative; z-index: 1; padding: 16px 20px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.panel-metrics div { min-height: 68px; padding: 13px 14px; border: 1px solid #252820; background: #11140f; }
.panel-metrics small, .panel-metrics strong { display: block; }
.panel-metrics small { color: #7f817a; font-size: 10px; }
.panel-metrics strong { margin-top: 7px; color: var(--ivory); font-size: 20px; }
.route-table { position: relative; z-index: 1; margin: 0 20px; border: 1px solid #292c24; }
.route-head, .route-row { display: grid; grid-template-columns: .65fr 1fr 1fr .75fr; align-items: center; }
.route-head { min-height: 38px; padding: 0 13px; color: #6f716b; background: #0d0f0c; font-size: 9px; }
.route-row { min-height: 52px; padding: 0 13px; border-top: 1px solid #22251e; color: #b9bab3; font-size: 11px; text-decoration: none; }
.route-row:hover, .route-row:focus-visible { background: #13150f; }
.route-row strong { color: var(--gold-bright); font-size: 13px; }
.route-status { color: #7b7d75; font-size: 10px; font-weight: 700; }
.panel-log { position: relative; z-index: 1; margin: 15px 20px 20px; padding: 12px 13px; display: flex; justify-content: space-between; gap: 20px; border: 1px solid #23261f; color: #787a73; background: #0d0f0c; font: 10px/1.5 Consolas, monospace; }
.panel-log span:first-child { color: var(--green); }

.trust-strip { min-height: 84px; padding: 0 max(32px, calc((100vw - 1280px) / 2)); display: grid; grid-template-columns: 1.2fr 1fr; align-items: center; gap: 60px; border-top: 1px solid var(--line); background: #070806; }
.trust-strip p { margin: 0; color: #9e9f98; font-size: 13px; }
.trust-strip div { display: flex; justify-content: flex-end; }
.trust-strip span { padding: 0 24px; border-left: 1px solid #3a3b34; color: #b7b7b0; font-size: 12px; }

.product-system, .comparison, .guide { padding: 88px max(32px, calc((100vw - 1280px) / 2)); background: var(--black-2); }
.section-heading { margin-bottom: 36px; display: flex; align-items: flex-end; justify-content: space-between; gap: 60px; }
.section-heading > div { min-width: 0; }
.section-heading h2 { margin: 10px 0 0; font-size: clamp(30px, 3.1vw, 43px); line-height: 1.2; letter-spacing: -.04em; }
.section-heading p { max-width: 520px; margin: 0 0 4px; color: var(--muted); font-size: 13px; line-height: 1.75; text-align: right; }
.product-index { display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line); }
.product-index-item { min-height: 275px; padding: 28px 26px 24px; display: flex; flex-direction: column; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #0a0c09; text-decoration: none; transition: background .18s ease, border-color .18s ease; }
.product-index-item:hover, .product-index-item:focus-visible { border-color: var(--gold-muted); background: #11120e; }
.product-code { align-self: flex-start; min-width: 46px; padding: 9px 10px; border: 1px solid #5c4c2d; color: var(--gold-bright); background: #18150e; font-size: 17px; font-weight: 900; }
.product-index-item strong { margin-top: 22px; font-size: 16px; }
.product-index-item > b { margin-top: 7px; color: #7aa0ba; font-size: 12px; }
.product-index-item small { margin-top: 20px; color: var(--muted); font-size: 12px; line-height: 1.75; }
.product-index-item em { margin-top: auto; padding-top: 20px; color: var(--gold-bright); font-size: 11px; font-style: normal; font-weight: 800; }

.product-detail { scroll-margin-top: 80px; }
.product-detail.featured { padding: 88px max(32px, calc((100vw - 1280px) / 2)); display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: center; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #10110d; }
.product-titleline { display: flex; align-items: center; gap: 16px; }
.product-titleline > span { min-width: 60px; padding: 9px 11px; border: 1px solid #6c5831; color: var(--gold-bright); background: #19160e; font-size: 17px; font-weight: 900; text-align: center; }
.product-titleline > b { font-size: 17px; }
.product-route { margin: 18px 0 0; color: #88abc2; font-size: 13px; font-weight: 800; }
.product-copy h2 { margin: 14px 0 20px; font-size: clamp(35px, 4vw, 53px); line-height: 1.27; letter-spacing: -.05em; }
.product-description { max-width: 590px; margin: 0; color: #a1a29b; font-size: 14px; line-height: 1.85; }
.feature-list { margin-top: 31px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px 28px; }
.feature-list span { padding-top: 14px; border-top: 1px solid #393a32; }
.feature-list b, .feature-list small { display: block; }
.feature-list b { font-size: 13px; }
.feature-list small { margin-top: 5px; color: var(--muted); font-size: 10px; line-height: 1.6; }
.product-action { margin-top: 32px; display: flex; align-items: center; gap: 18px; }
.product-action > small { color: var(--muted); font-size: 11px; }
.pending-action { min-height: 48px; padding: 0 24px; border: 1px solid #5a4a2c; display: inline-flex; align-items: center; color: var(--gold-bright); background: #17150e; font-size: 13px; font-weight: 900; }

.operations-console { border: 1px solid #3a3d34; background: #080a08; box-shadow: 18px 20px 0 #0b0c09, 18px 20px 0 1px #282a23; }
.console-head { min-height: 52px; padding: 0 18px; display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid #292c24; color: var(--gold-bright); font-size: 10px; letter-spacing: .14em; }
.console-head b { color: #6d6f68; font-size: 9px; }
.console-summary { padding: 14px 18px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
.console-summary span { padding: 14px; border: 1px solid #24271f; background: #10130e; }
.console-summary small, .console-summary strong { display: block; }
.console-summary small { color: #6f716a; font-size: 9px; }
.console-summary strong { margin-top: 6px; color: #d5d5ce; font-size: 12px; }
.console-section { margin: 0 18px 13px; display: grid; grid-template-columns: 1.15fr repeat(4, 1fr); border: 1px solid #282b23; }
.console-section > * { min-height: 52px; padding: 0 11px; display: flex; align-items: center; border-right: 1px solid #282b23; color: #90928a; font-size: 10px; }
.console-section > *:last-child { border-right: 0; }
.console-section b { color: var(--ivory); background: #11140f; font-size: 11px; }
.console-footer { margin: 0 18px 18px; padding: 14px; display: flex; justify-content: space-between; gap: 20px; border: 1px solid #24271f; color: #777971; font-size: 10px; }

.product-detail.compact { padding: 62px max(32px, calc((100vw - 1280px) / 2)); display: grid; grid-template-columns: .9fr 1.25fr 150px; gap: 52px; align-items: center; border-bottom: 1px solid var(--line); background: var(--black-2); }
.product-detail.compact:nth-of-type(even) { background: #0c0e0b; }
.compact .product-copy h2 { margin: 11px 0 13px; font-size: clamp(26px, 2.6vw, 38px); }
.compact .product-description { font-size: 12px; }
.detail-capabilities { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 28px; }
.detail-capabilities span { padding-top: 12px; border-top: 1px solid #31332c; }
.detail-capabilities b, .detail-capabilities small { display: block; }
.detail-capabilities b { font-size: 12px; }
.detail-capabilities small { margin-top: 5px; color: var(--muted); font-size: 10px; line-height: 1.6; }
.compact-action { text-align: right; }
.compact-action a, .compact-action b { min-width: 130px; min-height: 42px; padding: 0 15px; border: 1px solid #57594f; display: inline-flex; align-items: center; justify-content: center; color: #b7b8b1; background: #0d0f0c; font-size: 11px; text-decoration: none; }
.compact-action a { border-color: var(--gold-muted); color: var(--gold-bright); }

.comparison { border-top: 1px solid var(--line); }
.comparison-table { border: 1px solid #34362f; overflow-x: auto; background: #080a08; }
.comparison-table:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }
.comparison-table table { width: 100%; min-width: 900px; border-collapse: collapse; }
.comparison-table th, .comparison-table td { padding: 18px 17px; border-right: 1px solid #2b2e26; border-bottom: 1px solid #2b2e26; text-align: left; vertical-align: middle; }
.comparison-table tr > *:last-child { border-right: 0; }
.comparison-table tbody tr:last-child > * { border-bottom: 0; }
.comparison-table thead th { color: #81837b; background: #10120f; font-size: 10px; letter-spacing: .08em; }
.comparison-table tbody th { width: 200px; font-size: 13px; }
.comparison-table tbody td { color: #adaea7; font-size: 11px; line-height: 1.6; }
.comparison-table tbody td:nth-child(2), .comparison-table tbody td:nth-child(3) { width: 125px; color: #88abc2; font-weight: 800; }
.comparison-table tbody td:last-child { width: 145px; }
.comparison-table tbody b { color: var(--gold-bright); font-size: 11px; }

.downloads { padding: 74px max(32px, calc((100vw - 1280px) / 2)); display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #0f110d; }
.section-heading.light { margin: 0; display: block; }
.section-heading.light p { margin-top: 15px; text-align: left; }
.download-list { border-top: 1px solid var(--line-strong); }
.download-row { min-height: 74px; padding: 12px 0; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid #30322b; }
.download-row strong, .download-row small { display: block; }
.download-row strong { font-size: 13px; }
.download-row small { margin-top: 5px; color: #7899af; font-size: 10px; }
.download-row a, .download-row > b { min-width: 140px; padding: 10px 13px; border: 1px solid #505249; color: #a8aaa2; font-size: 10px; text-align: center; text-decoration: none; }
.download-row a { border-color: var(--gold); color: #17140d; background: var(--gold); }

.guide { border-bottom: 1px solid var(--line); }
.guide ol { margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line); list-style: none; }
.guide li { min-height: 150px; padding: 26px; display: grid; grid-template-columns: 52px 1fr; gap: 18px; align-items: start; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.guide li > b { width: 48px; height: 48px; border: 1px solid var(--gold-muted); display: grid; place-items: center; color: var(--gold-bright); font-size: 12px; }
.guide li strong, .guide li small { display: block; }
.guide li strong { margin-top: 4px; font-size: 14px; }
.guide li small { margin-top: 9px; color: var(--muted); font-size: 11px; line-height: 1.7; }

.disclaimer { padding: 64px max(32px, calc((100vw - 1280px) / 2)); display: grid; grid-template-columns: 220px 1fr; gap: 70px; border-bottom: 1px solid var(--line); background: #080a08; }
.disclaimer h2 { margin: 9px 0 0; font-size: 27px; }
.disclaimer-copy { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 32px; }
.disclaimer-copy p { margin: 0; color: #888a83; font-size: 11px; line-height: 1.8; }

footer { min-height: 104px; padding: 20px max(32px, calc((100vw - 1280px) / 2)); display: flex; align-items: center; justify-content: space-between; gap: 30px; background: #050604; }
footer .public-brand img { width: 40px; height: 40px; }
footer .public-brand strong { font-size: 14px; }
footer nav { gap: 24px; }
footer nav a { font-size: 11px; }
footer > small { color: #666860; font-size: 10px; white-space: nowrap; }

@media (max-width: 1120px) {
    .public-header { grid-template-columns: 1fr auto; }
    .header-slogan { display: none; }
    .hero-grid { grid-template-columns: 1fr; gap: 52px; }
    .hero-copy { max-width: 760px; }
    .execution-panel { max-width: 850px; }
    .product-index { grid-template-columns: repeat(3, 1fr); }
    .product-detail.featured { grid-template-columns: 1fr; }
    .operations-console { max-width: 850px; }
    .product-detail.compact { grid-template-columns: .8fr 1.2fr; }
    .compact-action { grid-column: 1 / -1; text-align: left; }
    .downloads { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 760px) {
    html { scroll-padding-top: 112px; }
    .public-header { min-height: 108px; padding: 7px 20px 0; grid-template-columns: 1fr; gap: 0; }
    .public-header .public-brand { height: 56px; }
    .public-brand img { width: 40px; height: 40px; }
    .public-brand strong { font-size: 15px; }
    .public-brand small { display: none; }
    .public-header nav { height: 45px; justify-content: space-between; gap: 0; border-top: 1px solid var(--line); }
    .public-header nav a { font-size: 11px; white-space: nowrap; }
    .public-header nav a::after { bottom: -16px; }
    .hero-grid { width: calc(100% - 40px); min-height: 0; padding: 54px 0 46px; }
    .hero h1 { font-size: 46px; }
    .hero h2 { font-size: 18px; line-height: 1.5; }
    .hero-copy > p { font-size: 13px; }
    .hero-actions { flex-direction: column; }
    .button { width: 100%; }
    .hero-points { grid-template-columns: 1fr; margin-top: 35px; }
    .execution-panel { box-shadow: 9px 10px 0 #070806, 9px 10px 0 1px #24261f; }
    .panel-titlebar > span:last-child { display: none; }
    .panel-metrics { grid-template-columns: 1fr 1fr; }
    .panel-metrics div:last-child { grid-column: 1 / -1; }
    .route-head, .route-row { grid-template-columns: .65fr 1fr 1fr; }
    .route-head span:last-child, .route-status { display: none; }
    .panel-log { flex-direction: column; gap: 5px; }
    .trust-strip { padding: 24px 20px; grid-template-columns: 1fr; gap: 20px; }
    .trust-strip div { justify-content: flex-start; flex-wrap: wrap; gap: 8px 0; }
    .trust-strip span { padding: 0 12px; font-size: 10px; }
    .product-system, .comparison, .guide { padding: 68px 20px; }
    .section-heading { align-items: flex-start; flex-direction: column; gap: 14px; }
    .section-heading h2 { font-size: 29px; }
    .section-heading p { text-align: left; }
    .product-index { grid-template-columns: 1fr; }
    .product-index-item { min-height: 230px; }
    .product-detail.featured { padding: 68px 20px; gap: 45px; }
    .product-copy h2 { font-size: 36px; }
    .feature-list { grid-template-columns: 1fr; }
    .product-action { align-items: flex-start; flex-direction: column; }
    .product-action .button, .pending-action { width: 100%; }
    .operations-console { box-shadow: 9px 10px 0 #0b0c09, 9px 10px 0 1px #282a23; }
    .console-summary { grid-template-columns: 1fr; }
    .console-section { grid-template-columns: 1fr 1fr; }
    .console-section > * { border-bottom: 1px solid #282b23; }
    .console-section b { grid-column: 1 / -1; }
    .console-footer { flex-direction: column; }
    .product-detail.compact { padding: 54px 20px; grid-template-columns: 1fr; gap: 28px; }
    .compact-action { grid-column: auto; }
    .detail-capabilities { grid-template-columns: 1fr; }
    .comparison-table { border: 0; overflow: visible; }
    .comparison-table table, .comparison-table tbody { width: 100%; min-width: 0; display: block; }
    .comparison-table thead { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }
    .comparison-table tbody { display: grid; gap: 12px; }
    .comparison-table tbody tr { padding: 17px; display: grid; gap: 11px; border: 1px solid #34362f; background: #090b09; }
    .comparison-table tbody th, .comparison-table tbody td { width: auto; padding: 0; border: 0; display: grid; grid-template-columns: 76px 1fr; gap: 11px; font-size: 11px; }
    .comparison-table tbody th { padding-bottom: 12px; display: block; border-bottom: 1px solid #2b2e26; font-size: 14px; }
    .comparison-table tbody td:nth-child(2), .comparison-table tbody td:nth-child(3), .comparison-table tbody td:last-child { width: auto; }
    .comparison-table tbody td::before { content: attr(data-label); color: #696b64; font-size: 10px; font-weight: 700; }
    .downloads { padding: 64px 20px; }
    .download-row > span { min-width: 0; }
    .download-row strong { font-size: 11px; }
    .download-row a, .download-row > b { min-width: 112px; }
    .guide ol { grid-template-columns: 1fr; }
    .guide li { min-height: 120px; }
    .disclaimer { padding: 58px 20px; grid-template-columns: 1fr; gap: 25px; }
    .disclaimer-copy { grid-template-columns: 1fr; }
    footer { flex-direction: column; }
    footer nav { display: none; }
}

@media (max-width: 390px) {
    .public-header nav a { font-size: 10px; }
    .hero h1 { font-size: 40px; }
    .panel-metrics { padding-inline: 12px; }
    .route-table, .panel-log { margin-inline: 12px; }
}

@media (prefers-reduced-motion: reduce) {
    :root { scroll-behavior: auto; }
    .button, .product-index-item { transition: none; }
}