html,body,#app{margin:0;min-height:100%}:root{--color-ink: #1a1410;--color-steam: #f7f3ee;--color-wood: #5c4033;--color-lantern: #e85d3a;--color-lantern-hover: #cf4f2e;--color-bamboo: #8b7355;--color-jade: #2a6b5e;--color-jade-muted: #d4ebe6;--color-primary: var(--color-lantern);--color-primary-hover: var(--color-lantern-hover);--color-primary-light: #f0c4b4;--color-primary-bg: #fdf0eb;--color-download-bg: #231c16;--color-bg: var(--color-steam);--color-bg-alt: #efe8df;--color-bg-deep: #e8dfd4;--color-text: var(--color-ink);--color-text-secondary: #6b5d52;--color-text-light: #9a8b7e;--color-border: #ddd4c8;--color-footer-bg: var(--color-ink);--color-footer-text: rgba(247, 243, 238, .55);--font-display: "Zhi Mang Xing", "KaiTi", serif;--font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--max-width: 1160px;--nav-height: 72px;--section-padding: 96px 24px;--border-radius: 6px;--transition: .35s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:var(--nav-height)}body{font-family:var(--font-body);color:var(--color-text);background:var(--color-bg);line-height:1.65;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.section-eyebrow{display:block;font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--color-bamboo);margin-bottom:12px}.section-title{font-family:var(--font-body);font-size:clamp(1.75rem,4vw,2.25rem);font-weight:700;line-height:1.25;color:var(--color-ink);letter-spacing:-.02em}.section-subtitle{font-size:16px;color:var(--color-text-secondary);margin-top:10px;max-width:480px}.section-header{margin-bottom:56px}.section-header--center{text-align:center}.section-header--center .section-subtitle{margin-left:auto;margin-right:auto}.btn-primary{display:inline-flex;align-items:center;justify-content:center;padding:14px 32px;background:var(--color-lantern);color:#fff;border-radius:var(--border-radius);font-size:15px;font-weight:600;border:none;cursor:pointer;transition:background var(--transition),transform var(--transition),box-shadow var(--transition)}.btn-primary:hover{background:var(--color-lantern-hover);transform:translateY(-1px);box-shadow:0 8px 24px #e85d3a47}.btn-primary:active{transform:translateY(0)}.btn-primary:focus-visible{outline:2px solid var(--color-lantern);outline-offset:3px}.btn-outline{display:inline-flex;align-items:center;justify-content:center;padding:12px 30px;background:transparent;color:var(--color-ink);border:1.5px solid var(--color-border);border-radius:var(--border-radius);font-size:15px;font-weight:600;cursor:pointer;transition:border-color var(--transition),color var(--transition),background var(--transition)}.btn-outline:hover{border-color:var(--color-wood);color:var(--color-wood);background:#5c40330a}.btn-outline:focus-visible{outline:2px solid var(--color-wood);outline-offset:3px}.fade-in{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}.fade-in-left{opacity:0;transform:translate(-24px);transition:opacity .7s ease,transform .7s ease}.fade-in-right{opacity:0;transform:translate(24px);transition:opacity .7s ease,transform .7s ease}.fade-in.visible,.fade-in-left.visible,.fade-in-right.visible{opacity:1;transform:none}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.fade-in,.fade-in-left,.fade-in-right{opacity:1;transform:none;transition:none}}