/* S19 internal network security controls — page-owned visual system. */
.yuqi-hpc-hybrid.s19-internal-security-cn {
	--s19-bg: #03050a;
	--s19-panel: #060b15;
	--s19-panel-2: #0a1423;
	--s19-surface: #0d1b2d;
	--s19-text: #edf4fa;
	--s19-muted: #a7b9cb;
	--s19-faint: #72869b;
	--s19-accent: #70d7e8;
	--s19-accent-soft: rgba(112, 215, 232, .12);
	--s19-line: rgba(136, 168, 201, .18);
	--s19-line-strong: rgba(150, 185, 211, .38);
	background: var(--s19-bg);
	color: var(--s19-text);
	font-family: "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans SC", "Microsoft YaHei", -apple-system, "Segoe UI", sans-serif;
	line-height: 1.7;
	overflow: hidden;
}

.s19-internal-security-cn .flow-batch-diagram[data-flow-diagram] {
	width: 100%;
	margin: 32px 0 0;
	border-radius: 16px;
	overflow: hidden;
}
.s19-internal-security-cn .flow-batch-diagram__link { display: block; border-radius: inherit; }
.s19-internal-security-cn .flow-batch-diagram img { display: block; width: 100%; height: auto; max-width: 100%; }
.s19-internal-security-cn *,
.s19-internal-security-cn *::before,
.s19-internal-security-cn *::after { box-sizing: border-box; }
.s19-internal-security-cn a { color: inherit; text-decoration: none; }
.s19-internal-security-cn a:not(.s19-button) { border-bottom: 1px solid rgba(112, 215, 232, .48); }
.s19-internal-security-cn a:not(.s19-button):hover { border-bottom-color: var(--s19-accent); color: var(--s19-accent); }
.s19-internal-security-cn img { display: block; max-width: 100%; }
.s19-shell,
.s19-content { width: min(1240px, calc(100% - 80px)); margin-left: auto; margin-right: auto; }
.s19-shell { width: min(1280px, calc(100% - 80px)); }
.s19-sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }

.s19-eyebrow {
	display: flex;
	align-items: center;
	gap: 10px;
	margin: 0;
	color: var(--s19-accent);
	font-size: 11px;
	font-weight: 600;
	letter-spacing: .16em;
	line-height: 1.35;
	text-transform: uppercase;
}
.s19-eyebrow > span:first-child:not(.s19-eyebrow__no) { width: 8px; height: 8px; border: 1px solid var(--s19-accent); border-radius: 50%; box-shadow: 0 0 0 4px var(--s19-accent-soft); }
.s19-eyebrow__no { min-width: 22px; color: var(--s19-faint); letter-spacing: .1em; }
.s19-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 46px;
	padding: 11px 20px;
	border: 1px solid var(--s19-line-strong);
	border-radius: 2px;
	font-size: 13px;
	font-weight: 600;
	letter-spacing: .02em;
	transition: background-color .2s ease, border-color .2s ease, color .2s ease, transform .2s ease;
}
.s19-button:hover { transform: translateY(-2px); }
.s19-button:focus-visible,
.s19-diagram__bar button:focus-visible { outline: 2px solid var(--s19-accent); outline-offset: 4px; }
.s19-button--primary { background: var(--s19-accent); border-color: var(--s19-accent); color: #031018 !important; }
.s19-button--primary:hover { background: #adf3ff; border-color: #adf3ff; }
.s19-button--quiet { background: rgba(3, 5, 10, .24); color: var(--s19-text) !important; }
.s19-button--quiet:hover { background: var(--s19-accent-soft); border-color: var(--s19-accent); }

.s19-hero { position: relative; display: flex; min-height: calc(100svh - var(--f-header-height, 72px)); background: #02050b; isolation: isolate; }
.s19-hero__media,
.s19-hero__scrim { position: absolute; z-index: -2; inset: 0; }
.s19-hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 62% center; filter: saturate(.78) contrast(1.1); opacity: .78; }
.s19-hero__scrim { z-index: -1; background: linear-gradient(90deg, rgba(2, 5, 11, .97) 0%, rgba(2, 5, 11, .8) 43%, rgba(2, 5, 11, .24) 100%), linear-gradient(0deg, rgba(2, 5, 11, .97) 0%, transparent 54%, rgba(2, 5, 11, .2) 100%); }
.s19-hero__inner { position: relative; display: flex; align-items: flex-end; min-height: inherit; padding-top: 120px; padding-bottom: 58px; }
.s19-hero__copy { max-width: 930px; }
.s19-hero h1 { max-width: 800px; margin: 27px 0 0; color: #f5f9fc; font-size: clamp(48px, 6.2vw, 90px); font-weight: 500; letter-spacing: -.055em; line-height: .99; text-wrap: balance; }
.s19-hero__lead { max-width: 730px; margin: 29px 0 0; color: #d1ddea; font-size: clamp(17px, 1.6vw, 21px); line-height: 1.75; }
.s19-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 31px; }
.yuqi-hpc-hybrid.s19-internal-security-cn .s19-hero__meta { margin: 20px 0 0 !important; color: #c1d1df; font-size: 11px !important; letter-spacing: .14em; line-height: 1.55; }
.s19-hero__note { position: absolute; right: 0; bottom: 62px; max-width: 255px; margin: 0; padding-top: 14px; border-top: 1px solid rgba(112, 215, 232, .55); color: #c1d1df; font-size: 12px; line-height: 1.7; }

.s19-page { background: var(--s19-bg); }
.s19-section { padding: 64px 0; }
.s19-section:nth-child(odd) { background: var(--s19-bg); }
.s19-section:nth-child(even) { background: var(--s19-panel); }
.s19-section-head h2,
.s19-delivery-copy h2,
.s19-contact h2 { max-width: 720px; margin: 20px 0 0; color: var(--s19-text); font-size: clamp(34px, 4.1vw, 64px); font-weight: 500; letter-spacing: -.045em; line-height: 1.08; text-wrap: balance; }
.s19-section-head > p:last-child { max-width: 680px; margin: 26px 0 0; color: var(--s19-muted); font-size: 16px; line-height: 1.85; }
.s19-section-head--split { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(280px, .95fr); gap: 7vw; align-items: start; }
.s19-section-head--split > p:last-child { margin: 0; }
.s19-section-head--wide { max-width: 820px; }
.s19-two-column { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .72fr); gap: 9vw; align-items: start; }
.s19-why__intro { color: var(--s19-muted); font-size: 16px; line-height: 1.85; }
.s19-why__intro p { margin: 0; }
.s19-why__intro p + p { margin-top: 18px; color: var(--s19-faint); }
.s19-why-list { margin-top: 76px; border-top: 1px solid var(--s19-line); }
.s19-why-row { display: grid; grid-template-columns: 72px minmax(190px, .72fr) minmax(0, 1fr); gap: 28px; align-items: baseline; padding: 25px 0 28px; border-bottom: 1px solid var(--s19-line); }
.s19-index { color: var(--s19-accent); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; letter-spacing: .08em; }
.s19-why-row h3,
.s19-service-row h3 { margin: 0; color: var(--s19-text); font-size: 20px; font-weight: 500; letter-spacing: -.02em; line-height: 1.4; }
.s19-why-row p,
.s19-service-row p { margin: 0; color: var(--s19-muted); font-size: 14px; line-height: 1.8; }

.s19-architecture { background: var(--s19-panel-2) !important; }
.s19-diagram { margin-top: 58px; padding: 15px; border: 1px solid var(--s19-line); background: rgba(3, 5, 10, .55); }
.s19-diagram__bar { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 4px 5px 14px; border-bottom: 1px solid var(--s19-line); }
.s19-diagram__bar p { display: flex; align-items: center; gap: 10px; margin: 0; color: var(--s19-faint); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; letter-spacing: .12em; line-height: 1.4; }
.s19-diagram__bar p span { width: 6px; height: 6px; border-radius: 50%; background: var(--s19-accent); box-shadow: 0 0 0 4px var(--s19-accent-soft); }
.s19-diagram__bar button { min-height: 34px; padding: 7px 12px; border: 1px solid var(--s19-line-strong); border-radius: 2px; background: transparent; color: var(--s19-text); cursor: pointer; font: inherit; font-size: 11px; }
.s19-diagram__bar button:hover { border-color: var(--s19-accent); color: var(--s19-accent); }
.s19-flow-canvas { position: relative; min-height: 530px; margin-top: 3px; overflow: hidden; }
.s19-flow-lines { position: absolute; z-index: 0; inset: 0; width: 100%; height: 100%; overflow: visible; pointer-events: none; }
.s19-flow-lines path { fill: none; stroke: var(--s19-accent); stroke-width: 1.45; stroke-linecap: round; vector-effect: non-scaling-stroke; opacity: .52; }
.s19-flow-lines path.s19-flow-path-base { stroke-dasharray: none; stroke-dashoffset: 0; opacity: .52; }
.s19-flow-lines path.s19-flow-path-motion { stroke-dasharray: 100; stroke-dashoffset: 100; opacity: 0; }
.s19-flow-lines path[data-s19-path^="policy"],
.s19-flow-lines path[data-s19-path="zone-audit"] { stroke: var(--s19-muted); stroke-dasharray: 5 7; opacity: .44; }
.s19-flow-lines path.s19-flow-path-motion[data-s19-path^="policy"],
.s19-flow-lines path.s19-flow-path-motion[data-s19-path="zone-audit"] { stroke-dasharray: 5 7; opacity: 0; }
.s19-flow-layout { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); grid-template-rows: auto auto; grid-template-areas: "subject identity zone resource" ". policy policy audit"; gap: 94px 22px; min-height: 490px; padding: 72px 14px 44px; align-items: center; }
.s19-node { min-height: 142px; padding: 19px 20px; border: 1px solid var(--s19-line-strong); background: rgba(13, 27, 45, .9); box-shadow: 0 18px 40px rgba(0, 0, 0, .18); }
.s19-node--subject { grid-area: subject; }
.s19-node--identity { grid-area: identity; border-color: rgba(112, 215, 232, .5); }
.s19-node--zone { grid-area: zone; }
.s19-node--resource { grid-area: resource; }
.s19-node--policy { grid-area: policy; justify-self: center; width: min(100%, 270px); border-style: dashed; border-color: rgba(167, 185, 203, .55); background: rgba(6, 11, 21, .94); }
.s19-node--audit { grid-area: audit; border-style: dashed; border-color: rgba(167, 185, 203, .55); background: rgba(6, 11, 21, .94); }
.s19-node__index { display: block; margin-bottom: 13px; color: var(--s19-accent); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 11px; letter-spacing: .08em; }
.s19-node strong { display: block; color: var(--s19-text); font-size: 18px; font-weight: 500; letter-spacing: -.02em; line-height: 1.35; }
.s19-node small { display: block; margin-top: 11px; color: var(--s19-muted); font-size: 12px; line-height: 1.65; }
.s19-diagram__legend { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; padding: 15px 5px 2px; border-top: 1px solid var(--s19-line); color: var(--s19-muted); font-size: 12px; }
.s19-legend-line { display: inline-block; width: 28px; margin-right: 7px; vertical-align: middle; border-top: 1px solid var(--s19-accent); }
.s19-legend-line--dashed { border-top-style: dashed; border-top-color: var(--s19-muted); }
.s19-diagram__legend strong { margin-left: auto; color: var(--s19-accent); font-size: 11px; font-weight: 500; letter-spacing: .04em; }
.s19-diagram.is-flow-running .s19-flow-lines path.s19-flow-path-motion { animation: s19-path-loop 8.4s linear infinite; }
.s19-diagram.is-flow-running .s19-flow-lines path.s19-flow-path-motion[data-s19-path="identity-zone"] { animation-delay: .15s; }
.s19-diagram.is-flow-running .s19-flow-lines path.s19-flow-path-motion[data-s19-path="zone-resource"] { animation-delay: .3s; }
.s19-diagram.is-flow-running .s19-flow-lines path.s19-flow-path-motion[data-s19-path="policy-identity"] { animation-delay: .45s; }
.s19-diagram.is-flow-running .s19-flow-lines path.s19-flow-path-motion[data-s19-path="policy-zone"] { animation-delay: .6s; }
.s19-diagram.is-flow-running .s19-flow-lines path.s19-flow-path-motion[data-s19-path="zone-audit"] { animation-delay: .75s; }
@keyframes s19-path-loop { 0% { stroke-dashoffset: 100; opacity: 0; } 10% { opacity: .82; } 72% { opacity: .82; } 100% { stroke-dashoffset: 0; opacity: 0; } }

.s19-service-list { margin-top: 58px; border-top: 1px solid var(--s19-line); }
.s19-service-row { display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 26px; padding: 26px 0 29px; border-bottom: 1px solid var(--s19-line); }
.s19-service-row h3 { font-size: 21px; }
.s19-service-row p { max-width: 780px; margin-top: 8px; }
.s19-delivery { background: var(--s19-panel) !important; }
.s19-delivery-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, .78fr); gap: 7vw; align-items: start; }
.s19-delivery-copy > p:not(.s19-eyebrow) { max-width: 650px; margin: 27px 0 0; color: var(--s19-muted); font-size: 16px; line-height: 1.85; }
.s19-delivery-copy ul { display: grid; gap: 0; max-width: 690px; margin: 34px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--s19-line); }
.s19-delivery-copy li { padding: 15px 0 16px 24px; border-bottom: 1px solid var(--s19-line); color: var(--s19-text); font-size: 14px; line-height: 1.7; position: relative; }
.s19-delivery-copy li::before { position: absolute; top: 21px; left: 2px; width: 7px; height: 7px; border: 1px solid var(--s19-accent); border-radius: 50%; content: ""; }
.s19-delivery-media { width: 100%; max-width: 560px; margin: 0 0 0 auto; }
.s19-delivery-media img { width: 100%; max-height: 360px; aspect-ratio: 16 / 10; object-fit: cover; object-position: top; border: 1px solid var(--s19-line); }
.s19-delivery-media figcaption { margin-top: 12px; color: var(--s19-faint); font-size: 12px; line-height: 1.65; }
.s19-faq-list { max-width: 900px; margin-top: 48px; border-top: 1px solid var(--s19-line); }
.s19-faq-list details { border-bottom: 1px solid var(--s19-line); }
.s19-faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 25px; padding: 23px 0; color: var(--s19-text); cursor: pointer; font-size: 17px; font-weight: 500; list-style: none; }
.s19-faq-list summary::-webkit-details-marker { display: none; }
.s19-faq-list summary::after { flex: 0 0 auto; color: var(--s19-accent); content: "+"; font-size: 21px; font-weight: 300; }
.s19-faq-list details[open] summary::after { content: "−"; }
.s19-faq-list details p { max-width: 760px; margin: -3px 0 23px; color: var(--s19-muted); font-size: 14px; line-height: 1.85; }
.s19-contact { padding: 64px 0 78px; background: var(--s19-panel-2); }
.s19-contact__inner { display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.s19-contact h2 { max-width: 680px; }
.s19-contact p:last-child { max-width: 650px; margin: 25px 0 0; color: var(--s19-muted); font-size: 16px; line-height: 1.8; }
.s19-contact .s19-button { flex: 0 0 auto; }

.s19-internal-security-cn.s19-js [data-s19-reveal] { opacity: 0; transform: translateY(22px); transition: opacity .7s ease, transform .7s ease; }
.s19-internal-security-cn.s19-js [data-s19-reveal].is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
	.s19-internal-security-cn.s19-js [data-s19-reveal] { opacity: 1; transform: none; transition: none; }
	.s19-diagram.is-flow-running .s19-flow-lines path.s19-flow-path-motion,
	.s19-flow-lines path.s19-flow-path-motion { animation: none !important; stroke-dashoffset: 0; opacity: .66; }
}

@media (max-width: 800px) {
	.s19-hero { min-height: 0; }
	.s19-shell,
	.s19-content { width: calc(100% - 48px); }
	.s19-hero__inner { min-height: 0; display: block; padding: 88px 0 45px; }
	.s19-hero__copy { max-width: none; }
	.s19-hero h1 { max-width: 720px; margin-top: 24px; font-size: clamp(44px, 11vw, 62px); line-height: 1.04; }
	.s19-hero__lead { margin-top: 22px; font-size: 17px; line-height: 1.78; }
	.s19-hero__note { display: none; }
	.s19-hero__media img { object-position: 62% center; }
	.s19-section { padding: 44px 0; }
	.s19-section-head--split,
	.s19-two-column,
	.s19-delivery-grid,
	.s19-contact__inner { display: block; }
	.s19-section-head--split > p:last-child,
	.s19-why__intro { margin-top: 22px; }
	.s19-section-head h2,
	.s19-delivery-copy h2 { margin-top: 16px; font-size: 35px; }
	.s19-section-head > p:last-child,
	.s19-delivery-copy > p:not(.s19-eyebrow),
	.s19-contact p:last-child { margin-top: 18px; font-size: 15px; line-height: 1.82; }
	.s19-why-list { margin-top: 42px; }
	.s19-why-row { grid-template-columns: 42px minmax(0, 1fr); gap: 12px 16px; padding: 21px 0 24px; }
	.s19-why-row h3 { font-size: 18px; }
	.s19-why-row p { grid-column: 2; }
	.s19-diagram { margin-top: 36px; padding: 12px; }
	.s19-diagram__bar { align-items: flex-start; flex-direction: column; gap: 13px; }
	.s19-diagram__bar button { width: 100%; }
	.s19-flow-canvas { min-height: 0; }
	.s19-flow-layout { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: auto auto auto auto; grid-template-areas: "subject subject" "identity zone" "resource resource" "policy audit"; gap: 15px; min-height: 0; padding: 34px 24px 36px; }
	.s19-node { min-height: 126px; padding: 17px; }
	.s19-node--policy { width: auto; }
	.s19-node strong { font-size: 16px; }
	.s19-diagram__legend { align-items: flex-start; flex-direction: column; gap: 10px; padding: 13px 5px 4px; }
	.s19-diagram__legend strong { margin-left: 0; }
	.s19-service-list { margin-top: 38px; }
	.s19-service-row { grid-template-columns: 42px minmax(0, 1fr); gap: 14px; padding: 21px 0 24px; }
	.s19-service-row h3 { font-size: 18px; }
	.s19-service-row p { font-size: 13px; }
	.s19-delivery-media { width: 100%; max-width: none; margin-top: 42px; }
	.s19-contact { padding: 55px 0 64px; }
	.s19-contact .s19-button { margin-top: 28px; }
}
@media (max-width: 430px) {
	.s19-shell,
	.s19-content { width: calc(100% - 32px); }
	.s19-hero__inner { padding-top: 76px; }
	.s19-hero h1 { font-size: 45px; }
	.s19-hero__lead { font-size: 16px; }
	.s19-actions { align-items: stretch; flex-direction: column; }
	.s19-button { width: 100%; }
	.s19-section { padding: 44px 0; }
	.s19-section-head h2,
	.s19-delivery-copy h2 { font-size: 32px; }
	.s19-node strong { font-size: 15px; }
}