:root{--bg: #f5f5f7;--surface: #ffffff;--ink: #1d1d1f;--ink-soft: #424245;--muted: #86868b;--line: #e8e8ed;--brand: #0071e3;--brand-deep: #0060c9;--dark: #000000;--radius: 24px;--maxw: 1040px;--ease-out: cubic-bezier(.25, .1, .25, 1)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,SF Pro SC,SF Pro Display,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}h1,h2,h3{margin:0;line-height:1.12;letter-spacing:-.015em}p{margin:0}ul{margin:0;padding:0;list-style:none}a{color:inherit;text-decoration:none}::selection{background:#0071e32e}.reveal{opacity:0;transform:translateY(36px);transition:opacity .9s var(--ease-out),transform .9s var(--ease-out);transition-delay:var(--d, 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#0071e359;margin-bottom:26px}.avatar-fallback{display:flex;align-items:center;justify-content:center;font-size:40px;font-weight:700;color:#fff;background:linear-gradient(135deg,#0071e3,#583cdc)}.fade-seq{opacity:0;transform:translateY(26px);animation:fade-seq-in .9s var(--ease-out) forwards;animation-delay:.15s;animation-delay:calc(.15s + var(--d, 0ms))}@keyframes fade-seq-in{to{opacity:1;transform:none}}.hero-eyebrow{font-size:14px;letter-spacing:.22em;text-transform:uppercase;color:#ffffff8f;margin-bottom:18px}.hero-title{font-size:clamp(52px,10vw,108px);font-weight:800;margin-bottom:16px;background:linear-gradient(180deg,#fff 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rgba(255,255,255,.26)}.btn-ghost:hover{background:#ffffff2e}.hero-scrollhint{position:absolute;bottom:26px;left:50%;transform:translate(-50%);width:22px;height:34px;border:1.5px solid rgba(255,255,255,.35);border-radius:12px}.hero-scrollhint span{position:absolute;left:50%;top:7px;width:4px;height:7px;margin-left:-2px;border-radius:4px;background:#ffffff8c;animation:scrollhint 1.8s ease-in-out infinite}@keyframes scrollhint{0%,to{transform:translateY(0);opacity:1}60%{transform:translateY(10px);opacity:.15}}.section{padding:128px 24px}.section-alt{background:var(--surface)}.section-inner{max-width:var(--maxw);margin:0 auto}.section-kicker{font-size:14px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--brand);margin-bottom:12px}.section-title{font-size:clamp(34px,5.4vw,58px);font-weight:700;margin-bottom:56px;max-width:720px}.gradient-text{background:linear-gradient(92deg,#0071e3 8%,#583cdc 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26px;transition:transform .35s var(--ease-out),box-shadow .35s,border-color .35s}.card:hover{transform:translateY(-6px);box-shadow:0 24px 56px #00000017;border-color:#0071e34d}.card-badge{display:inline-block;font-size:12px;font-weight:600;color:var(--brand);background:#0071e317;border-radius:980px;padding:5px 12px;margin-bottom:14px}.card-title{font-size:17px;font-weight:700;line-height:1.4}.card-desc{margin-top:10px;font-size:14px;color:var(--muted)}.projects-grid{display:grid;gap:20px}.proj{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:34px 32px;transition:transform .35s var(--ease-out),box-shadow .35s}.proj:hover{transform:translateY(-4px);box-shadow:0 20px 48px #00000014}.proj-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px}.proj-name{font-size:22px;font-weight:700}.proj-period{font-size:13px;color:var(--muted);white-space:nowrap}.proj 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24px}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.footer-contact{display:flex;gap:20px;font-size:14px;flex-wrap:wrap}.footer-copy{font-size:13px}.about-photo-wrap{margin:30px 0 0}.about-photo{display:block;width:100%;max-width:440px;border-radius:var(--radius);box-shadow:0 24px 64px #00000026}.about-photo-wrap figcaption{font-size:13px;color:var(--muted);margin-top:12px}.section-3d{overflow:hidden;color:#f5f5f7;background:radial-gradient(720px 520px at 18% 18%,rgba(0,113,227,.26),transparent 60%),radial-gradient(780px 580px at 86% 80%,rgba(88,60,220,.24),transparent 60%),#050508}.section-3d .section-kicker{color:#64a8ff}.cube-layout{display:grid;grid-template-columns:1fr 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640px){.nav-inner{padding:0 18px}.nav-links{gap:14px;font-size:12.5px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}.nav-links::-webkit-scrollbar{display:none}.nav-links a{white-space:nowrap}.hero{padding:128px 20px 96px}.section{padding:76px 20px}.section-title{margin-bottom:40px}.stats{grid-template-columns:repeat(2,1fr)}.stat-value{font-size:30px}}@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}.reveal,.fade-seq{opacity:1!important;transform:none!important;animation:none!important;transition:none!important}.hero-glow,.hero-scrollhint span{animation:none!important}.bar-fill{transition:none!important}}