/**
 * jizhiban.online 布局工具类（对应 Tailwind 配置）
 */
.jizhi-site {
    --jz-deep-charcoal: #0d1117;
    --jz-surface: #10141a;
    --jz-surface-container: #1c2026;
    --jz-surface-container-high: #262a31;
    --jz-surface-container-lowest: #0a0e14;
    --jz-on-surface: #dfe2eb;
    --jz-on-surface-variant: #bcc9c8;
    --jz-primary: #6fd7d6;
    --jz-neon-cyan: #00f2ff;
    --jz-on-primary: #003737;
    --jz-on-primary-fixed: #002020;
    --jz-status-online: #10b981;
    --jz-outline-variant: #3d4949;
    --jz-container-max: 1280px;
    --jz-grid-margin: 24px;
    --jz-section-gap: 120px;
    --jz-section-gap-m: 64px;
    --jz-stack-lg: 32px;
    --jz-stack-md: 16px;
    --jz-font-body: 'Inter', system-ui, sans-serif;
    --jz-font-head: 'Montserrat', system-ui, sans-serif;
    background: var(--jz-deep-charcoal);
    color: var(--jz-on-surface);
    font-family: var(--jz-font-body);
    font-size: 16px;
    line-height: 24px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* 布局 */
.jizhi-site .fixed { position: fixed; }
.jizhi-site .relative { position: relative; }
.jizhi-site .absolute { position: absolute; }
.jizhi-site .inset-0 { inset: 0; }
.jizhi-site .top-0 { top: 0; }
.jizhi-site .z-0 { z-index: 0; }
.jizhi-site .z-10 { z-index: 10; }
.jizhi-site .z-20 { z-index: 20; }
.jizhi-site .z-50 { z-index: 50; }
.jizhi-site .w-full { width: 100%; }
.jizhi-site .h-20 { height: 5rem; }
.jizhi-site .h-3 { height: 0.75rem; }
.jizhi-site .w-3 { width: 0.75rem; }
.jizhi-site .w-10 { width: 2.5rem; }
.jizhi-site .h-10 { height: 2.5rem; }
.jizhi-site .w-12 { width: 3rem; }
.jizhi-site .h-12 { height: 3rem; }
.jizhi-site .h-px { height: 1px; }
.jizhi-site .min-h-\[921px\] { min-height: 921px; }
.jizhi-site .max-w-4xl { max-width: 56rem; }
.jizhi-site .max-w-2xl { max-width: 42rem; }
.jizhi-site .max-w-container-max {
    max-width: var(--jz-container-max);
    margin-left: auto;
    margin-right: auto;
}
.jizhi-site .mx-auto { margin-left: auto; margin-right: auto; }
.jizhi-site .px-grid-margin { padding-left: var(--jz-grid-margin); padding-right: var(--jz-grid-margin); }
.jizhi-site .pt-20 { padding-top: 5rem; }
.jizhi-site .pt-8 { padding-top: 2rem; }
.jizhi-site .p-3 { padding: 0.75rem; }
.jizhi-site .p-6 { padding: 1.5rem; }
.jizhi-site .p-8 { padding: 2rem; }
.jizhi-site .px-4 { padding-left: 1rem; padding-right: 1rem; }
.jizhi-site .px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.jizhi-site .px-8 { padding-left: 2rem; padding-right: 2rem; }
.jizhi-site .py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.jizhi-site .py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.jizhi-site .py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.jizhi-site .py-stack-lg { padding-top: var(--jz-stack-lg); padding-bottom: var(--jz-stack-lg); }
.jizhi-site .pb-1 { padding-bottom: 0.25rem; }
.jizhi-site .mb-2 { margin-bottom: 0.5rem; }
.jizhi-site .mb-4 { margin-bottom: 1rem; }
.jizhi-site .mb-12 { margin-bottom: 3rem; }
.jizhi-site .mt-12 { margin-top: 3rem; }
.jizhi-site .mt-auto { margin-top: auto; }
.jizhi-site .mt-section-gap { margin-top: var(--jz-section-gap); }
.jizhi-site .py-section-gap { padding-top: var(--jz-section-gap); padding-bottom: var(--jz-section-gap); }
.jizhi-site .py-section-gap-mobile { padding-top: var(--jz-section-gap-m); padding-bottom: var(--jz-section-gap-m); }

.jizhi-site .flex { display: flex; }
.jizhi-site .inline-flex { display: inline-flex; }
.jizhi-site .grid { display: grid; }
.jizhi-site .hidden { display: none; }
.jizhi-site .flex-col { flex-direction: column; }
.jizhi-site .flex-1 { flex: 1 1 0%; }
.jizhi-site .items-center { align-items: center; }
.jizhi-site .items-start { align-items: flex-start; }
.jizhi-site .items-end { align-items: flex-end; }
.jizhi-site .items-stretch { align-items: stretch; }
.jizhi-site .justify-center { justify-content: center; }
.jizhi-site .justify-between { justify-content: space-between; }
.jizhi-site .gap-2 { gap: 0.5rem; }
.jizhi-site .gap-3 { gap: 0.75rem; }
.jizhi-site .gap-4 { gap: 1rem; }
.jizhi-site .gap-6 { gap: 1.5rem; }
.jizhi-site .gap-8 { gap: 2rem; }
.jizhi-site .gap-12 { gap: 3rem; }
.jizhi-site .gap-stack-md { gap: var(--jz-stack-md); }
.jizhi-site .space-y-6 > * + * { margin-top: 1.5rem; }
.jizhi-site .space-y-8 > * + * { margin-top: 2rem; }
.jizhi-site .shrink-0 { flex-shrink: 0; }
.jizhi-site .h-full { height: 100%; }
.jizhi-site .overflow-hidden { overflow: hidden; }
.jizhi-site .overflow-x-hidden { overflow-x: hidden; }
.jizhi-site .text-center { text-align: center; }
.jizhi-site .object-cover { object-fit: cover; }
.jizhi-site .rounded { border-radius: 0.25rem; }
.jizhi-site .rounded-lg { border-radius: 0.5rem; }
.jizhi-site .rounded-xl { border-radius: 0.75rem; }
.jizhi-site .rounded-full { border-radius: 9999px; }
.jizhi-site .border { border-width: 1px; border-style: solid; }
.jizhi-site .border-t { border-top-width: 1px; border-top-style: solid; }
.jizhi-site .border-b { border-bottom-width: 1px; border-bottom-style: solid; }
.jizhi-site .border-b-2 { border-bottom-width: 2px; border-bottom-style: solid; }
.jizhi-site .border-l-4 { border-left-width: 4px; border-left-style: solid; }
.jizhi-site .border-dashed { border-style: dashed; }
.jizhi-site .border-white\/5 { border-color: rgba(255, 255, 255, 0.05); }
.jizhi-site .border-white\/10 { border-color: rgba(255, 255, 255, 0.1); }
.jizhi-site .border-outline-variant { border-color: var(--jz-outline-variant); }
.jizhi-site .border-status-online\/30 { border-color: color-mix(in srgb, var(--jz-status-online) 30%, transparent); }
.jizhi-site .border-neon-cyan { border-color: var(--jz-neon-cyan); }
.jizhi-site .border-neon-cyan\/30 { border-color: rgba(0, 242, 255, 0.3); }
.jizhi-site .border-primary\/30 { border-color: color-mix(in srgb, var(--jz-primary) 30%, transparent); }
.jizhi-site .border-l-primary\/50 { border-left-color: color-mix(in srgb, var(--jz-primary) 50%, transparent); }
.jizhi-site .border-t-primary\/30 { border-top-color: color-mix(in srgb, var(--jz-primary) 30%, transparent); }
.jizhi-site .border-t-primary { border-top-color: var(--jz-primary); }
.jizhi-site .border-primary\/30.btn-outline { border-color: color-mix(in srgb, var(--jz-primary) 30%, transparent); }

.jizhi-site .bg-deep-charcoal { background-color: var(--jz-deep-charcoal); }
.jizhi-site .bg-surface { background-color: var(--jz-surface); }
.jizhi-site .bg-surface-container { background-color: var(--jz-surface-container); }
.jizhi-site .bg-surface-container-lowest { background-color: var(--jz-surface-container-lowest); }
.jizhi-site .bg-status-online { background-color: var(--jz-status-online); }
.jizhi-site .bg-neon-cyan { background-color: var(--jz-neon-cyan); }
.jizhi-site .bg-primary\/10 { background-color: color-mix(in srgb, var(--jz-primary) 10%, transparent); }
.jizhi-site .bg-surface\/80 { background-color: color-mix(in srgb, var(--jz-surface) 80%, transparent); }
.jizhi-site .bg-surface\/95 { background-color: color-mix(in srgb, var(--jz-surface) 95%, transparent); }
.jizhi-site .bg-gradient-to-r { background-image: linear-gradient(to right, var(--tw-gradient-stops, rgba(255, 255, 255, 0.1), transparent)); }
.jizhi-site .from-white\/10 { --tw-gradient-from: rgba(255, 255, 255, 0.1); --tw-gradient-stops: var(--tw-gradient-from), transparent; }

.jizhi-site .text-on-surface { color: var(--jz-on-surface); }
.jizhi-site .text-on-surface-variant { color: var(--jz-on-surface-variant); }
.jizhi-site .text-white { color: #fff; }
.jizhi-site .text-white\/70 { color: rgba(255, 255, 255, 0.7); }
.jizhi-site .text-primary { color: var(--jz-primary); }
.jizhi-site .text-primary\/50 { color: color-mix(in srgb, var(--jz-primary) 50%, transparent); }
.jizhi-site .text-neon-cyan { color: var(--jz-neon-cyan); }
.jizhi-site .text-on-primary-fixed { color: var(--jz-on-primary-fixed); }
.jizhi-site .text-on-primary { color: var(--jz-on-primary); }
.jizhi-site .text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.jizhi-site .material-symbols-outlined.text-sm {
    font-size: 1.25rem !important;
}

.jizhi-site .font-body-md { font-family: var(--jz-font-body); font-size: 16px; line-height: 24px; font-weight: 400; }
.jizhi-site .font-body-lg { font-family: var(--jz-font-body); font-size: 18px; line-height: 28px; font-weight: 400; }
.jizhi-site .font-headline-md { font-family: var(--jz-font-head); font-size: 24px; line-height: 32px; font-weight: 600; }
.jizhi-site .font-headline-lg { font-family: var(--jz-font-head); font-size: 40px; line-height: 48px; font-weight: 700; letter-spacing: -0.02em; }
.jizhi-site .font-hero-display { font-family: var(--jz-font-head); font-weight: 800; letter-spacing: -0.04em; }
.jizhi-site .font-label-caps { font-family: var(--jz-font-body); font-size: 12px; line-height: 16px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; }
.jizhi-site .font-status-number { font-family: ui-monospace, monospace; font-size: 14px; line-height: 20px; font-weight: 600; }
.jizhi-site .text-headline-md { font-size: 24px; line-height: 32px; }
.jizhi-site .text-headline-lg-mobile { font-size: 32px; line-height: 40px; }
.jizhi-site .text-body-md { font-size: 16px; line-height: 24px; }
.jizhi-site .text-body-lg { font-size: 18px; line-height: 28px; }
.jizhi-site .text-label-caps { font-size: 12px; line-height: 16px; }
.jizhi-site .text-status-number { font-size: 14px; line-height: 20px; }
.jizhi-site .font-bold { font-weight: 700; }
.jizhi-site .tracking-tighter { letter-spacing: -0.05em; }
.jizhi-site .tracking-wider { letter-spacing: 0.05em; }
.jizhi-site .drop-shadow-2xl { filter: drop-shadow(0 25px 25px rgba(0, 0, 0, 0.35)); }

.jizhi-site .backdrop-blur-xl { backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); }
.jizhi-site .shadow-\[0_0_20px_rgba\(0\,242\,255\,0\.05\)\] { box-shadow: 0 0 20px rgba(0, 242, 255, 0.05); }
.jizhi-site .shadow-\[0_0_20px_rgba\(0\,242\,255\,0\.3\)\] { box-shadow: 0 0 20px rgba(0, 242, 255, 0.3); }
.jizhi-site .shadow-lg { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.35), 0 4px 6px -4px rgba(0, 0, 0, 0.25); }

.jizhi-site .transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 300ms; }
.jizhi-site .transition-colors { transition-property: color, background-color, border-color; transition-duration: 300ms; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }
.jizhi-site .transition-transform { transition-property: transform; transition-duration: 300ms; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }
.jizhi-site .duration-300 { transition-duration: 300ms; }

/* 悬停动效（与 jizhiban 一致） */
.jizhi-site .hover\:text-primary:hover { color: var(--jz-primary); }
.jizhi-site .hover\:text-on-surface:hover { color: var(--jz-on-surface); }
.jizhi-site .hover\:text-neon-cyan:hover { color: var(--jz-neon-cyan); }
.jizhi-site .hover\:text-white:hover { color: #fff; }
.jizhi-site .hover\:bg-primary:hover { background-color: var(--jz-primary); }
.jizhi-site .hover\:bg-white:hover { background-color: #fff; }
.jizhi-site .hover\:bg-white\/5:hover { background-color: rgba(255, 255, 255, 0.05); }
.jizhi-site .hover\:bg-surface-container-high:hover { background-color: var(--jz-surface-container-high); }
.jizhi-site .hover\:text-on-primary:hover { color: var(--jz-on-primary); }
.jizhi-site .hover\:border-neon-cyan\/40:hover { border-color: rgba(0, 242, 255, 0.4); }
.jizhi-site .hover\:border-neon-cyan:hover { border-color: var(--jz-neon-cyan); }
.jizhi-site .hover\:border-t-primary:hover { border-top-color: var(--jz-primary); }
.jizhi-site .hover\:opacity-100:hover { opacity: 1; }
.jizhi-site .group:hover .group-hover\:translate-x-1 { transform: translateX(0.25rem); }
.jizhi-site .group:hover .group-hover\:border-neon-cyan { border-color: var(--jz-neon-cyan); }
.jizhi-site .active\:scale-95:active { transform: scale(0.95); }

.jizhi-site .opacity-80 { opacity: 0.8; }
.jizhi-site a { text-decoration: none; color: inherit; }
.jizhi-site .grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.jizhi-site .gap-4 { gap: 1rem; }
.jizhi-site .gap-6 { gap: 1.5rem; }

.jizhi-site .jizhi-hero-media {
    position: absolute;
    inset: 0;
    z-index: 1;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

/* 视频：原比例完整显示，见 site-tokens.css */
.jizhi-site img.jizhi-hero-media {
    object-fit: cover;
}

body.site-tpl-tech.jizhi-site.dark-theme #background-video.jizhi-hero-media {
    filter: brightness(0.72) contrast(1.05);
}

.jizhi-site .jizhi-empty {
    text-align: center;
    color: var(--jz-on-surface-variant);
    padding: 2rem 0;
}

.jizhi-site .jizhi-audio-btn {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    z-index: 90;
    width: 2.75rem;
    height: 2.75rem;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: var(--jz-surface-container);
    color: var(--jz-on-surface);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (min-width: 640px) {
    .jizhi-site .sm\:flex-row { flex-direction: row; }
    .jizhi-site .sm\:w-auto { width: auto; }
    .jizhi-site .sm\:flex-none { flex: 0 0 auto; }
    .jizhi-site .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 768px) {
    .jizhi-site .md\:flex { display: flex; }
    .jizhi-site .md\:hidden { display: none; }
    .jizhi-site .md\:grid-cols-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
    .jizhi-site .md\:col-span-4 { grid-column: span 4 / span 4; }
    .jizhi-site .md\:col-span-8 { grid-column: span 8 / span 8; }
    .jizhi-site .md\:flex-row { flex-direction: row; }
    .jizhi-site .md\:items-start { align-items: flex-start; }
    .jizhi-site .md\:items-end { align-items: flex-end; }
    .jizhi-site .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .jizhi-site .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .jizhi-site .md\:text-headline-lg { font-size: 40px; line-height: 48px; }
    .jizhi-site .md\:text-hero-display { font-size: 72px; line-height: 80px; }
    .jizhi-site .md\:py-section-gap { padding-top: var(--jz-section-gap); padding-bottom: var(--jz-section-gap); }
    .jizhi-site .md\:sticky { position: sticky; }
    .jizhi-site .md\:top-32 { top: 8rem; }
}

@media (min-width: 1024px) {
    .jizhi-site .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .jizhi-site .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1280px) {
    .jizhi-site .xl\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .jizhi-site .xl\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
}

/* 科技模板：沿用默认顶栏/子页导航，页面主体保持深色 */
body.site-tpl-tech.jizhi-site {
    background: #0d1117;
    color: #dfe2eb;
}

/* 暗黑科技 · 视口滚动条（与 site-tokens 一致，提高优先级覆盖 styles 等） */
html:has(body.site-tpl-tech.jizhi-site) {
    scrollbar-color: rgba(0, 242, 255, 0.38) #0d1117;
}

html:has(body.site-tpl-tech.jizhi-site)::-webkit-scrollbar-track {
    background: #0d1117;
}

html:has(body.site-tpl-tech.jizhi-site)::-webkit-scrollbar-thumb {
    background: rgba(0, 242, 255, 0.38);
    border-color: #0d1117;
}

html:has(body.site-tpl-tech.jizhi-site)::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 242, 255, 0.62);
}

body.site-tpl-tech.jizhi-site.dark-theme .navbar,
body.site-tpl-tech.jizhi-site.dark-theme .site-subnav {
    background: rgba(22, 27, 34, 0.88);
    border-color: rgba(255, 255, 255, 0.08);
}