:root{--color-primary: #B89150;--color-primary-dark: #966F39;--color-primary-soft: rgba(184, 145, 80, .12);--color-bg: #F7F4EF;--color-surface: rgba(255, 255, 255, .72);--color-card: #FFFFFF;--color-text: #201D19;--color-text-muted: #6B655A;--color-border: rgba(32, 29, 25, .1);--color-ink: #1C1917;--font-serif: "Songti SC", "Noto Serif SC", "Source Han Serif SC", Georgia, "Times New Roman", serif;--font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--radius-lg: 1.5rem;--radius-md: .9rem;--radius-sm: .6rem;--container-max: 1280px;--shadow-soft: 0 18px 45px rgba(32, 29, 25, .06);--shadow-lift: 0 24px 60px rgba(32, 29, 25, .1);--transition-smooth: all .5s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:6rem}body{font-family:var(--font-sans);background-color:var(--color-bg);color:var(--color-text);line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden;text-rendering:optimizeLegibility}h1,h2,h3,h4{font-family:var(--font-serif);font-weight:600;line-height:1.25;color:var(--color-text);letter-spacing:.01em}a{color:inherit;text-decoration:none;transition:var(--transition-smooth)}ul{list-style:none}img{max-width:100%;display:block}::selection{background:var(--color-primary);color:#fff}::-webkit-scrollbar{width:10px}::-webkit-scrollbar-track{background:var(--color-bg)}::-webkit-scrollbar-thumb{background:#201d1933;border-radius:5px}::-webkit-scrollbar-thumb:hover{background:#201d1959}:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.glass-effect{background:var(--color-surface);backdrop-filter:blur(16px) saturate(1.2);-webkit-backdrop-filter:blur(16px) saturate(1.2);border:1px solid var(--color-border)}.container{max-width:var(--container-max);margin:0 auto;padding:0 1.5rem}.section-padding{padding:8rem 0}.btn{display:inline-block;padding:1rem 2.4rem;border-radius:var(--radius-md);font-weight:600;font-size:.98rem;letter-spacing:.02em;border:none;cursor:pointer;transition:var(--transition-smooth)}.btn-primary{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));color:#fff;box-shadow:0 10px 26px #b8915047}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 36px #b891505c}.btn-secondary{background:#ffffff1f;color:#fff;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.25)}.btn-secondary:hover{background:#ffffff38;transform:translateY(-3px)}.fade-in-up{opacity:0;transform:translateY(24px);transition:opacity .7s ease-out,transform .7s ease-out}.fade-in-up.visible{opacity:1;transform:translateY(0)}.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s ease-out,transform .8s ease-out}.reveal.visible{opacity:1;transform:translateY(0)}.shell{width:min(960px,calc(100% - 32px));margin:0 auto;padding:24px 0 64px}.header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 0 20px;border:1px solid var(--line);border-width:0 0 1px}.brand{font-size:1rem;font-weight:700}.site-nav{display:flex;gap:16px;flex-wrap:wrap}.site-nav a{color:var(--text);font-size:.95rem}.site-nav a.primary{font-weight:700}.main{padding-top:32px}.main>*+*{margin-top:40px}.footer{display:grid;gap:12px;margin-top:40px;padding-top:24px;border-top:1px solid var(--line)}.footer-copy,.footer-contact,.footer-meta{color:var(--muted);font-size:.95rem;line-height:1.7}.footer-links{display:flex;gap:16px;flex-wrap:wrap}.kicker,.meta{display:inline-block;margin-bottom:12px;color:var(--muted);font-size:.75rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase}h1,h2,h3{margin:0;line-height:1.2;font-weight:700}h1{max-width:14ch;font-size:clamp(2rem,6vw,3rem)}h2{font-size:1.5rem}h3{font-size:1.1rem}.page-section{display:grid;gap:16px}.intro,.section-head p,.simple-item p,.prose{color:var(--muted);font-size:.95rem;line-height:1.7}.actions{display:flex;gap:12px;flex-wrap:wrap}.link-button{display:inline-flex;align-items:center;min-height:40px;padding:0 14px;border:1px solid var(--line);background:var(--surface)}.link-button-secondary{color:var(--muted)}.section-head{display:grid;gap:8px}.simple-list{display:grid;gap:20px}.simple-item{display:grid;gap:12px;padding-top:20px;border:1px solid var(--line);border-width:1px 0 0}.simple-item:first-child{padding-top:0;border-top:0}.article-shell{max-width:720px}.prose{display:grid;gap:16px;margin-top:8px}.prose ul,.prose ol{margin:0;padding-left:20px}@media(max-width:900px){.header{align-items:flex-start;flex-direction:column}}