:root{--color-bg: #0a0a0f;--color-bg-alt: #11121a;--color-text: #eaeaf0;--color-text-dim: #9a9aab;--color-accent: #6ee7ff;--color-accent-2: #b48cff;--font-base: "Segoe UI", system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;--max-width: 1100px}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--color-bg);color:var(--color-text);font-family:var(--font-base);scroll-behavior:smooth;overflow-x:hidden}a{color:inherit;text-decoration:none}.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}.navbar{position:fixed;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:16px 32px;z-index:100;background:#0a0a0f66;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.navbar__brand{font-weight:700;letter-spacing:.05em}.navbar__links{display:flex;gap:28px;list-style:none;margin:0;padding:0}.navbar__links a{font-size:.95rem;color:var(--color-text-dim);transition:color .2s}.navbar__links a:hover{color:var(--color-accent)}.navbar__toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:4px}.navbar__toggle span{width:24px;height:2px;background:var(--color-text);display:block}.hero{position:relative;width:100%;height:100vh;overflow:hidden}#hero-canvas{position:absolute;top:0;right:0;bottom:0;left:0;display:block;width:100%;height:100%;touch-action:none}.hero__overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;pointer-events:none;padding:0 20px}.hero__title{font-size:clamp(2rem,6vw,3.6rem);margin:0 0 12px;font-weight:700}.hero__title span{color:var(--color-accent)}.hero__subtitle{font-size:clamp(1rem,2.5vw,1.3rem);color:var(--color-text-dim);margin:0 0 8px}.hero__hint{font-size:.85rem;color:var(--color-text-dim);opacity:.7;margin:24px 0 0}.hero__scroll{pointer-events:auto;margin-top:40px;font-size:.9rem;color:var(--color-text-dim);border:1px solid rgba(255,255,255,.15);border-radius:999px;padding:8px 18px;transition:border-color .2s,color .2s}.hero__scroll:hover{border-color:var(--color-accent);color:var(--color-accent)}.section-title{font-size:clamp(1.6rem,3vw,2.2rem);margin-bottom:32px;position:relative;display:inline-block}.section-title:after{content:"";position:absolute;left:0;bottom:-10px;width:40px;height:3px;background:linear-gradient(90deg,var(--color-accent),var(--color-accent-2))}.about{padding:100px 0 80px;background:var(--color-bg-alt)}.about__content{display:flex;gap:48px;align-items:flex-start;flex-wrap:wrap}.about__avatar-placeholder{width:180px;height:180px;border-radius:50%;background:linear-gradient(135deg,var(--color-accent),var(--color-accent-2));display:flex;align-items:center;justify-content:center;color:var(--color-bg);font-weight:700;flex-shrink:0}.about__text{flex:1;min-width:260px}.about__text p{line-height:1.8;color:var(--color-text-dim)}.about__skills{list-style:none;display:flex;flex-wrap:wrap;gap:12px;padding:0;margin-top:20px}.about__skills li{background:#ffffff0f;border-radius:8px;padding:8px 14px;font-size:.85rem;color:var(--color-text)}.projects{padding:80px 0}.projects__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}.project-card{background:var(--color-bg-alt);border-radius:14px;padding:24px;border:1px solid rgba(255,255,255,.06);transition:transform .25s,border-color .25s}.project-card:hover{transform:translateY(-6px);border-color:var(--color-accent)}.project-card h3{margin:0 0 8px;font-size:1.15rem}.project-card p{color:var(--color-text-dim);font-size:.9rem;line-height:1.6;margin:0 0 16px}.project-card__tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}.project-card__tags span{font-size:.75rem;color:var(--color-accent);background:#6ee7ff1a;border-radius:6px;padding:3px 8px}.project-card__link{font-size:.85rem;color:var(--color-accent-2)}.contact{padding:80px 0;background:var(--color-bg-alt);text-align:center}.contact__links{display:flex;justify-content:center;gap:24px;margin-top:20px}.contact__links a{border:1px solid rgba(255,255,255,.15);border-radius:999px;padding:10px 22px;transition:border-color .2s,color .2s}.contact__links a:hover{border-color:var(--color-accent);color:var(--color-accent)}.footer{text-align:center;padding:24px 0;color:var(--color-text-dim);font-size:.8rem}@media (max-width: 768px){.navbar__toggle{display:flex}.navbar__links{position:absolute;top:100%;left:0;right:0;flex-direction:column;background:#0a0a0ff2;padding:16px 32px;gap:16px;display:none}.navbar__links.is-open{display:flex}.about__content{flex-direction:column;align-items:center;text-align:center}}