*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #1a365d;--primary-light: #2c5282;--primary-subtle: rgba(26, 54, 93, .06);--accent: #E86A33;--accent-light: #F5924D;--accent-dark: #C44A18;--accent-soft: rgba(232, 106, 51, .07);--text-primary: #1a202c;--text-secondary: #5a6577;--text-muted: #94a3b8;--text-faint: #cbd5e1;--bg-white: #ffffff;--bg-light: #f7f9fc;--bg-card: #f8fafc;--bg-warm: #fafbfd;--bg-dark: #162234;--bg-dark-soft: #1e3252;--border-color: #e2e8f0;--border-subtle: #edf2f7;--border-accent: rgba(232, 106, 51, .35);--tag-primary-bg: rgba(26, 54, 93, .07);--tag-primary-text: #1a365d;--tag-accent-bg: rgba(232, 106, 51, .08);--tag-accent-text: #C05621;--shadow-xs: 0 1px 2px rgba(26, 54, 93, .05);--shadow-sm: 0 2px 8px rgba(26, 54, 93, .07);--shadow-md: 0 6px 20px rgba(26, 54, 93, .09);--shadow-lg: 0 12px 36px rgba(26, 54, 93, .12);--shadow-hover: 0 10px 30px rgba(26, 54, 93, .13);--shadow-accent: 0 4px 16px rgba(232, 106, 51, .18);--radius-xs: 4px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;--fw-normal: 400;--fw-medium: 500;--fw-semibold: 600;--fw-bold: 700;--lh-tight: 1.35;--lh-normal: 1.65;--lh-relaxed: 1.8;--transition-fast: .2s ease-out;--transition-normal: .3s ease-out;--transition-slow: .45s ease-out;--container-base: 1200px;--container-wide: 1360px;--page-padding-x: 32px;--section-gap: 32px;--section-gap-sm: 32px;--section-gap-lg: 48px;--section-padding-y: 32px;--section-padding-x: 32px}html{font-family:var(--font-family);line-height:var(--lh-normal);color:var(--text-primary);text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;scroll-behavior:smooth}body{margin:0;background:var(--bg-white);min-height:100vh}::selection{background:var(--accent);color:#fff}a{color:var(--primary);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--accent)}#root{width:100%;min-height:100vh}img{max-width:100%;height:auto;display:block}button{cursor:pointer;font-family:inherit;border:none;outline:none;transition:background-color var(--transition-fast),color var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast)}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}input,textarea,select{font-family:inherit;outline:none}input:focus,textarea:focus,select:focus{border-color:var(--accent)}.container{max-width:var(--container-base);margin:0 auto;padding:0}.container-wide{max-width:var(--container-wide);margin:0 auto;padding-left:var(--page-padding-x);padding-right:var(--page-padding-x)}.container-full{width:100%;padding-left:var(--page-padding-x);padding-right:var(--page-padding-x)}.section-padding{padding-top:var(--section-gap);padding-bottom:var(--section-gap)}.section-padding-sm{padding-top:var(--section-gap-sm);padding-bottom:var(--section-gap-sm)}.section-padding-lg{padding-top:var(--section-gap-lg);padding-bottom:var(--section-gap-lg)}h1,h2,h3,h4,h5,h6{font-weight:var(--fw-semibold);line-height:var(--lh-tight);letter-spacing:0}h1{font-size:2rem}h2{font-size:1.625rem}h3{font-size:1.25rem}h4{font-size:1.125rem}p{line-height:var(--lh-relaxed)}.page-enter{opacity:0;transform:translateY(10px)}.page-enter-active{opacity:1;transform:translateY(0);transition:all .3s ease-out}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-light)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}@media(max-width:1024px){:root{--page-padding-x: 24px;--section-gap: 32px;--section-gap-sm: 20px;--section-gap-lg: 32px}h1{font-size:1.75rem}h2{font-size:1.4rem}h3{font-size:1.15rem}}@media(max-width:768px){:root{--page-padding-x: 20px;--section-gap: 36px;--section-gap-sm: 24px;--section-gap-lg: 48px}h1{font-size:1.5rem}h2{font-size:1.25rem}h3{font-size:1.05rem}.section-padding{padding-top:var(--section-gap);padding-bottom:var(--section-gap)}}