/* ===================== 基础重置 ===================== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#faf9f7;
  --bg-card:#ffffff;
  --text:#1a1a1a;
  --text-soft:#555;
  --text-mute:#999;
  --accent:#1a1a1a;
  --accent-soft:#e8e6e1;
  --line:#ececec;
  --radius:16px;
  --shadow:0 2px 20px rgba(0,0,0,.06);
  --shadow-hover:0 12px 40px rgba(0,0,0,.12);
  --ease:cubic-bezier(.22,1,.36,1);
  --serif:'Noto Serif SC',serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
section{padding:120px 0}
.container{max-width:1100px;margin:0 auto;padding:0 32px}

/* ===================== 导航 ===================== */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  padding:20px 32px;
  display:flex;align-items:center;justify-content:space-between;
  background:rgba(250,249,247,.8);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid transparent;
  transition:border-color .4s var(--ease),padding .4s var(--ease);
}
.nav.scrolled{border-bottom-color:var(--line);padding:14px 32px}
.nav-logo{font-family:var(--serif);font-size:1.3rem;font-weight:700;letter-spacing:.04em}
.nav-links{display:flex;gap:36px;align-items:center}
.nav-links a{font-size:.875rem;color:var(--text-soft);font-weight:500;position:relative;transition:color .3s}
.nav-links a::after{content:'';position:absolute;left:0;bottom:-4px;width:0;height:1.5px;background:var(--text);transition:width .3s var(--ease)}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{width:100%}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;z-index:101}
.nav-toggle span{width:22px;height:2px;background:var(--text);border-radius:2px;transition:transform .35s var(--ease),opacity .35s}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 移动端菜单 */
.mobile-menu{
  position:fixed;inset:0;z-index:99;
  background:var(--bg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:32px;
  opacity:0;pointer-events:none;
  transition:opacity .4s var(--ease);
}
.mobile-menu.open{opacity:1;pointer-events:auto}
.mobile-menu a{font-family:var(--serif);font-size:1.6rem;font-weight:600;color:var(--text)}
.mobile-menu a:hover{color:var(--text-mute)}

/* ===================== Hero ===================== */
.hero{
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  padding:140px 32px 80px;
  position:relative;
}
.hero-inner{text-align:center;max-width:640px}
.hero-avatar{
  width:130px;height:130px;border-radius:50%;
  margin:0 auto 36px;
  overflow:hidden;
  border:3px solid #fff;
  box-shadow:0 8px 32px rgba(0,0,0,.12);
  position:relative;
  opacity:0;transform:translateY(30px);
  animation:fadeUp .9s var(--ease) .15s forwards;
}
.hero-avatar img{width:100%;height:100%;object-fit:cover}
.hero-name{
  font-family:var(--serif);
  font-size:clamp(2.2rem,6vw,3.4rem);
  font-weight:700;
  letter-spacing:.02em;
  margin-bottom:16px;
  opacity:0;transform:translateY(30px);
  animation:fadeUp .9s var(--ease) .3s forwards;
}
.hero-title{
  font-size:1rem;color:var(--text-mute);font-weight:500;
  letter-spacing:.08em;text-transform:uppercase;
  margin-bottom:28px;
  opacity:0;transform:translateY(30px);
  animation:fadeUp .9s var(--ease) .42s forwards;
}
.hero-bio{
  font-size:1.0625rem;color:var(--text-soft);line-height:1.8;
  max-width:520px;margin:0 auto 40px;
  opacity:0;transform:translateY(30px);
  animation:fadeUp .9s var(--ease) .54s forwards;
}
.hero-cta{
  display:inline-flex;gap:12px;
  opacity:0;transform:translateY(30px);
  animation:fadeUp .9s var(--ease) .66s forwards;
}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 30px;border-radius:50px;
  font-size:.875rem;font-weight:600;letter-spacing:.03em;
  transition:all .35s var(--ease);
  cursor:pointer;border:none;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,.2)}
.btn-ghost{background:transparent;color:var(--text);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--text);transform:translateY(-3px)}
.hero-scroll{
  position:absolute;bottom:32px;left:50%;transform:translateX(-50%);
  font-size:.7rem;color:var(--text-mute);letter-spacing:.15em;
  writing-mode:vertical-lr;
  opacity:0;animation:fadeUp 1s var(--ease) 1s forwards;
}
.hero-scroll::after{content:'';display:block;width:1px;height:40px;background:var(--text-mute);margin:10px auto 0;animation:scrollLine 1.8s ease-in-out infinite}

@keyframes fadeUp{to{opacity:1;transform:translateY(0)}}
@keyframes scrollLine{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ===================== 区块标题 ===================== */
.section-head{text-align:center;margin-bottom:64px}
.section-label{
  font-size:.75rem;color:var(--text-mute);letter-spacing:.2em;
  text-transform:uppercase;margin-bottom:14px;font-weight:600;
}
.section-title{
  font-family:var(--serif);
  font-size:clamp(1.8rem,4vw,2.6rem);
  font-weight:700;letter-spacing:.02em;
}
.section-desc{font-size:.9375rem;color:var(--text-mute);margin-top:14px;max-width:480px;margin-left:auto;margin-right:auto}

/* ===================== 关于 ===================== */
#about{background:var(--bg)}
.about-grid{
  display:grid;
  grid-template-columns:0.8fr 1.2fr;
  gap:64px;align-items:center;
}
.about-text p{font-size:1.0625rem;color:var(--text-soft);line-height:1.9;margin-bottom:20px}
.about-text p:last-child{margin-bottom:0}
.about-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.tag{
  padding:8px 18px;background:var(--bg-card);border:1px solid var(--line);
  border-radius:50px;font-size:.8rem;color:var(--text-soft);font-weight:500;
}
.about-stats{display:flex;gap:48px;margin-top:40px}
.stat-num{font-family:var(--serif);font-size:2.4rem;font-weight:700;line-height:1}
.stat-label{font-size:.8rem;color:var(--text-mute);margin-top:8px;letter-spacing:.05em}

/* ===================== 作品 ===================== */
#works{background:var(--bg-card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.works-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}
.work-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:var(--bg);cursor:pointer;
  box-shadow:var(--shadow);
  transition:box-shadow .5s var(--ease),transform .5s var(--ease);
}
.work-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-6px)}
.work-img{aspect-ratio:16/10;overflow:hidden;position:relative}
.work-img img{width:100%;height:100%;object-fit:cover;transition:transform .8s var(--ease)}
.work-card:hover .work-img img{transform:scale(1.06)}
.work-img::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to top,rgba(0,0,0,.4),transparent 50%);
  opacity:0;transition:opacity .4s;
}
.work-card:hover .work-img::after{opacity:1}
.work-overlay{
  position:absolute;left:0;right:0;bottom:0;padding:28px;
  color:#fff;transform:translateY(12px);opacity:0;
  transition:transform .4s var(--ease),opacity .4s var(--ease);
  z-index:1;
}
.work-card:hover .work-overlay{transform:translateY(0);opacity:1}
.work-cat{font-size:.7rem;letter-spacing:.15em;text-transform:uppercase;opacity:.8;margin-bottom:6px}
.work-overlay h3{font-family:var(--serif);font-size:1.3rem;font-weight:600}
.work-info{padding:24px 26px}
.work-info h3{font-family:var(--serif);font-size:1.25rem;font-weight:600;margin-bottom:6px}
.work-info p{font-size:.875rem;color:var(--text-mute)}
.work-arrow{
  position:absolute;top:24px;right:24px;
  width:40px;height:40px;border-radius:50%;
  background:rgba(255,255,255,.9);
  display:flex;align-items:center;justify-content:center;
  opacity:0;transform:translate(-8px,8px);
  transition:all .4s var(--ease);z-index:1;
}
.work-card:hover .work-arrow{opacity:1;transform:translate(0,0)}
.work-arrow svg{width:16px;height:16px}

/* ===================== 联系 ===================== */
#contact{text-align:center}
.contact-text{
  font-size:1.0625rem;color:var(--text-soft);line-height:1.8;
  max-width:480px;margin:0 auto 48px;
}
.contact-email{
  display:inline-block;font-family:var(--serif);
  font-size:clamp(1.4rem,5vw,2.2rem);font-weight:700;
  margin-bottom:48px;position:relative;
  transition:color .3s;
}
.contact-email::after{content:'';position:absolute;left:0;bottom:-4px;width:100%;height:2px;background:var(--text);transform:scaleX(0);transform-origin:right;transition:transform .4s var(--ease)}
.contact-email:hover::after{transform:scaleX(1);transform-origin:left}
.contact-links{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}
.contact-link{
  display:flex;align-items:center;gap:10px;
  padding:14px 28px;background:var(--bg-card);border:1px solid var(--line);
  border-radius:50px;font-size:.875rem;font-weight:500;color:var(--text-soft);
  transition:all .35s var(--ease);
}
.contact-link:hover{border-color:var(--text);color:var(--text);transform:translateY(-3px);box-shadow:var(--shadow)}
.contact-link svg{width:18px;height:18px;flex-shrink:0}

/* ===================== 页脚 ===================== */
.footer{
  padding:48px 32px;text-align:center;
  border-top:1px solid var(--line);
}
.footer p{font-size:.8rem;color:var(--text-mute);letter-spacing:.05em}

/* ===================== 滚动动画 ===================== */
.reveal{opacity:0;transform:translateY(40px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}

/* ===================== 响应式 ===================== */
@media(max-width:768px){
  section{padding:80px 0}
  .container{padding:0 20px}
  .nav{padding:16px 20px}
  .nav.scrolled{padding:12px 20px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .hero{padding:120px 20px 60px}
  .hero-avatar{width:100px;height:100px;margin-bottom:28px}
  .hero-cta{flex-direction:column;gap:12px}
  .hero-cta .btn{width:100%;justify-content:center}
  .about-grid{grid-template-columns:1fr;gap:32px}
  .about-stats{gap:32px}
  .works-grid{grid-template-columns:1fr;gap:16px}
  .work-info{padding:20px}
  .section-head{margin-bottom:40px}
  .contact-links{gap:10px}
  .contact-link{padding:12px 22px;font-size:.8125rem}
}
@media(max-width:380px){
  .about-stats{flex-direction:column;gap:24px}
}