:root{--color-primary: #1677ff;--color-primary-dark: #1265e3;--color-primary-soft: #eaf3ff;--color-bg: #f4f8ff;--color-surface: #ffffff;--color-surface-alt: #f2f7ff;--color-text: #0f172a;--color-text-secondary: #334155;--color-text-muted: #64748b;--color-border: rgba(22, 119, 255, .12);--color-border-strong: rgba(22, 119, 255, .24);--color-shadow: 0 18px 45px rgba(15, 23, 42, .08);--color-shadow-soft: 0 10px 24px rgba(15, 23, 42, .05);--radius-card: 22px;--radius-pill: 999px;--max-width: 1200px;--prose-width: 760px;--font-sans: "Manrope", "Noto Sans SC", "Noto Sans JP", "Noto Sans Arabic", "Segoe UI", sans-serif}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at top left,rgba(22,119,255,.08),transparent 24%),linear-gradient(180deg,#f8fbff,#f2f7ff);color:var(--color-text);font-family:var(--font-sans);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}main{min-height:calc(100vh - 14rem)}a{color:inherit}img{max-width:100%}::selection{background:#5bc7ff47}.container{width:min(var(--max-width),calc(100% - 2rem));margin:0 auto}.site-shell{--site-accent: var(--color-primary);--site-accent-strong: var(--color-primary-dark);--site-surface: var(--color-surface);--site-surface-alt: var(--color-surface-alt);--site-border: var(--color-border);--site-border-strong: var(--color-border-strong);--site-text: var(--color-text);--site-text-secondary: var(--color-text-secondary);--site-text-muted: var(--color-text-muted);--site-shadow: var(--color-shadow);--site-shadow-soft: var(--color-shadow-soft);--site-hero-bg: linear-gradient(135deg, #081a32 0%, #0d2c52 58%, #103868 100%);--site-hero-border: rgba(110, 180, 255, .14);--site-hero-shadow: 0 26px 56px rgba(15, 23, 42, .14);--site-hero-text: #f8fbff;--site-hero-subtext: rgba(226, 237, 255, .92);--site-hero-body: rgba(200, 217, 239, .82);--site-eyebrow: #82cfff;--site-chip-bg: rgba(22, 119, 255, .1);--site-chip-text: #1265e3;--site-mini-card-bg: rgba(255, 255, 255, .08);--site-mini-card-border: rgba(121, 187, 255, .2);--site-mini-card-text: #f8fbff;--site-mini-card-muted: rgba(219, 231, 249, .84);--site-mini-card-hover-bg: rgba(255, 255, 255, .13);--site-mini-card-hover-border: rgba(130, 207, 255, .34);--site-stat-bg: rgba(255, 255, 255, .08);--site-stat-border: rgba(121, 187, 255, .22);--site-stat-badge-bg: rgba(130, 207, 255, .18);--site-stat-badge-text: #eef7ff;--site-panel-surface: linear-gradient(180deg, #ffffff 0%, #f4fbff 100%);--site-panel-border: rgba(22, 119, 255, .1);--site-panel-title: #0f172a;--site-panel-text: #334155;--site-panel-muted: #64748b;--site-panel-shadow: 0 18px 40px rgba(15, 23, 42, .07);--site-panel-card-bg: linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);--site-panel-card-border: rgba(22, 119, 255, .1);--site-panel-card-hover: rgba(22, 119, 255, .26);--site-breadcrumb-link: #57708c;--site-breadcrumb-current: #0f172a;--site-breadcrumb-sep: #8ea3bd}.site-shell.site-bnbaike{--site-hero-bg: radial-gradient(circle at top right, rgba(240, 185, 11, .18), transparent 28%), linear-gradient(135deg, #111111 0%, #1f1a0d 50%, #121212 100%);--site-hero-text: #fffdf8;--site-hero-subtext: rgba(255, 248, 225, .86);--site-chip-bg: rgba(240, 185, 11, .12);--site-chip-text: #7a5600;--site-cta-button-color: #111111;--site-cta-sidebar-bg: linear-gradient(180deg, #fffef9 0%, #fff7dc 100%);--site-cta-banner-bg: linear-gradient(135deg, #201703 0%, #2f2409 100%);--site-cta-disclosure: #6b6252}.site-shell.site-gateiovip{--site-breadcrumb-link: #93a6bb;--site-breadcrumb-current: #d8e4f0;--site-breadcrumb-sep: #5d7086}.page-content{width:min(var(--prose-width),calc(100% - 2rem));margin:0 auto;padding:1.5rem 0 3.5rem}.prose-page{padding:2.2rem;border:1px solid var(--site-surface-border, var(--site-border));border-radius:28px;background:var(--site-surface-bg, var(--site-surface));box-shadow:var(--site-surface-shadow, var(--site-shadow-soft))}.prose-page h1{margin:0 0 1.25rem;font-size:clamp(2rem,5vw,3.2rem);line-height:1.08;letter-spacing:-.03em}.prose-page h2{margin:2rem 0 .95rem;padding-left:.9rem;border-left:4px solid var(--site-accent, #1677ff);font-size:clamp(1.25rem,3vw,1.7rem)}.prose-page p,.prose-page li{color:var(--site-prose-text, var(--site-text-secondary));line-height:1.88}.prose-page ul,.prose-page ol{padding-left:1.35rem}.prose-page a{color:#0f76c6;text-decoration-color:#0f76c647;text-underline-offset:.22em}.prose-page strong{color:var(--site-text)}@media(max-width:768px){body{background:radial-gradient(circle at top left,rgba(22,119,255,.1),transparent 32%),linear-gradient(180deg,#f8fbff,#f2f7ff)}.container,.page-content{width:min(var(--max-width),calc(100% - 1.25rem))}.page-content{padding-top:1.15rem}.prose-page{padding:1.35rem 1rem;border-radius:18px}.prose-page h1{font-size:1.85rem}}