:root{--ink: #1b1712;--ink-soft: #262019;--ink-deep: #14110d;--paper: #f4f1e8;--paper-deep: #ece6d8;--surface: #ffffff;--accent: #a85a2e;--accent-deep: #8a4721;--accent-gold: #c99a54;--accent-soft: rgba(168, 90, 46, .1);--text: #241f18;--muted: #6d6556;--line: rgba(27, 23, 18, .12);--line-strong: rgba(27, 23, 18, .22);--line-light: rgba(255, 255, 255, .16);--font-display: "Songti SC", "Noto Serif SC", "STSong", "SimSun", "Times New Roman", serif;--font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: "SF Mono", "Cascadia Mono", "JetBrains Mono", Consolas, "Courier New", monospace;--radius-sm: 8px;--radius: 14px;--radius-lg: 26px;--container: 1200px;--ease: cubic-bezier(.4, 0, .2, 1);--transition: all .55s var(--ease);--shadow-sm: 0 6px 20px rgba(27, 23, 18, .05);--shadow: 0 24px 60px rgba(27, 23, 18, .09);--shadow-lg: 0 40px 90px rgba(27, 23, 18, .14)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{font-family:var(--font-sans);font-size:16px;line-height:1.7;color:var(--text);background-color:var(--paper);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}h1,h2,h3,h4,h5{font-family:var(--font-display);font-weight:700;line-height:1.18;color:var(--ink)}a{color:inherit;text-decoration:none;transition:var(--transition)}ul{list-style:none}img{max-width:100%;display:block}::selection{background:var(--accent);color:#fff}.container{max-width:var(--container);margin:0 auto;padding:0 clamp(1.25rem,4vw,2.5rem)}.section{padding:clamp(5rem,10vw,8.5rem) 0;position:relative}.kicker{display:inline-flex;align-items:center;gap:.7rem;font-family:var(--font-mono);font-size:.72rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;color:var(--accent);margin-bottom:1.4rem}.kicker:before{content:"";display:inline-block;width:2.2rem;height:1px;background:var(--accent);opacity:.55}.section-title{font-size:clamp(2rem,4.4vw,3.4rem);letter-spacing:.01em;color:var(--ink)}.section-title em{font-style:normal;color:var(--accent)}.section-lead{margin-top:1.4rem;max-width:34rem;color:var(--muted);font-size:1.02rem;line-height:1.9}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;min-height:3.1rem;padding:0 1.9rem;border-radius:999px;font-size:.95rem;font-weight:600;letter-spacing:.04em;border:1px solid transparent;cursor:pointer;transition:var(--transition);white-space:nowrap}.btn .arrow{transition:transform .35s var(--ease)}.btn:hover .arrow{transform:translate(4px)}.btn-primary{background:var(--ink);color:var(--paper)}.btn-primary:hover{background:var(--accent);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px #a85a2e47}.btn-outline{background:transparent;color:var(--ink);border-color:var(--line-strong)}.btn-outline:hover{border-color:var(--ink);background:var(--ink);color:var(--paper);transform:translateY(-2px)}.btn-ghost-light{background:transparent;color:#fff;border-color:#ffffff59}.btn-ghost-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}.btn-light{background:var(--paper);color:var(--ink)}.btn-light:hover{background:var(--accent-gold);color:var(--ink);transform:translateY(-2px)}.reveal,.fade-in-up{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease);will-change:opacity,transform}.reveal.visible,.fade-in-up.visible{opacity:1;transform:translateY(0)}@media(prefers-reduced-motion:reduce){.reveal,.fade-in-up{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}.bg-grid{background-image:linear-gradient(rgba(27,23,18,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(27,23,18,.035) 1px,transparent 1px);background-size:56px 56px}:root{--color-primary: var(--accent);--color-primary-dark: var(--accent-deep);--color-text: var(--ink);--color-text-muted: var(--muted);--color-bg: var(--paper);--radius-md: var(--radius);--transition-smooth: var(--transition);--font-serif: var(--font-display)}.shell{width:min(960px,calc(100% - 32px));margin:0 auto;padding:24px 0 64px}.prose{line-height:1.9;color:var(--muted)}