/* ===== 闲村设计 — Shared Design System ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Josefin Sans',sans-serif;font-weight:400;color:#404040;background:#fff;line-height:1.6}
img{display:block;max-width:100%}
a{text-decoration:none;color:inherit}
button{cursor:pointer;border:none;font-family:inherit}

:root{
  --black:#171717;
  --darkgray:#404040;
  --midgray:#64748B;
  --lightgray:#94A3B8;
  --xlight:#E8ECF0;
  --vlight:#F8F9FA;
  --white:#fff;
  --divider:#CBD5E1;
  --font-heading:'Cinzel',serif;
  --font-body:'Josefin Sans',sans-serif;
}

/* Header */
.header{position:sticky;top:0;z-index:100;display:flex;align-items:center;justify-content:space-between;height:80px;padding:0 80px;background:var(--white);box-shadow:0 1px 2px rgba(0,0,0,0.04)}
.header-logo{display:flex;align-items:center;gap:12px;font-family:var(--font-heading);font-size:22px;font-weight:700;color:var(--black)}
.logo-mark{height:36px;width:36px;border-radius:50%;object-fit:cover;background:var(--white)}
.header-nav{display:flex;gap:48px}
.header-nav a{font-size:14px;font-weight:500;color:var(--darkgray);transition:color 0.2s}
.header-nav a:hover{color:var(--black)}

/* Section */
.section{padding:80px 80px}
.section-label{font-size:13px;font-weight:600;color:var(--darkgray);text-transform:uppercase;letter-spacing:0.05em;margin-bottom:16px}
.section-title{font-family:var(--font-heading);font-size:42px;font-weight:700;color:var(--black);line-height:1.2}
.section-desc{font-size:16px;color:var(--midgray);margin-top:12px}

/* Hero */
.hero{display:flex;align-items:center;min-height:600px;padding:0 80px}
.hero-content{max-width:800px}
.hero-tag{font-size:13px;font-weight:600;color:var(--darkgray);letter-spacing:0.05em}
.hero-title{font-family:var(--font-heading);font-size:72px;font-weight:700;color:var(--black);line-height:1.15;margin-top:16px}
.hero-desc{font-size:18px;color:var(--midgray);line-height:1.7;margin-top:24px;max-width:560px}
.hero-actions{display:flex;align-items:center;gap:24px;margin-top:40px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:14px 36px;font-size:15px;font-weight:600;border-radius:4px;transition:all 0.2s}
.btn-primary{background:var(--black);color:var(--white)}
.btn-primary:hover{background:#2d2d2d}
.btn-link{font-size:15px;font-weight:500;color:var(--darkgray);transition:color 0.2s}
.btn-link:hover{color:var(--black)}

/* Services */
.services{background:var(--white)}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}
.service-card{background:var(--white);border:1px solid var(--xlight);padding:32px;border-radius:4px;transition:box-shadow 0.2s}
.service-card:hover{box-shadow:0 4px 20px rgba(0,0,0,0.06)}
.service-card-name{font-family:var(--font-heading);font-size:18px;font-weight:700;color:var(--black)}
.service-card-desc{font-size:13px;color:var(--midgray);margin-top:8px}

/* Portfolio */
.portfolio{background:var(--vlight)}
.portfolio-header{display:flex;align-items:flex-end;justify-content:space-between;flex-wrap:wrap;gap:24px}
.portfolio-tabs{display:flex;gap:32px}
.portfolio-tab{font-size:14px;font-weight:500;color:var(--midgray);padding-bottom:4px;border-bottom:2px solid transparent;transition:all 0.2s;cursor:pointer}
.portfolio-tab.active,.portfolio-tab:hover{color:var(--black);border-bottom-color:var(--black)}
.portfolio-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}
.project-card{background:var(--white);border-radius:4px;overflow:hidden;cursor:pointer;transition:transform 0.2s,box-shadow 0.2s;display:block}
.project-card:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(0,0,0,0.08)}
.project-img{width:100%;height:260px;object-fit:cover;background:var(--xlight)}
.project-tag{display:inline-block;font-size:11px;font-weight:600;color:var(--darkgray);margin:20px 24px 0}
.project-name{font-family:var(--font-heading);font-size:20px;font-weight:700;color:var(--black);margin:8px 24px 0}
.project-meta{font-size:13px;color:var(--midgray);margin:6px 24px 20px;line-height:1.5}

/* Search bar */
.search-bar{position:relative;min-width:280px;flex:0 0 auto}
.search-input{width:100%;padding:12px 16px 12px 44px;font-size:14px;font-family:var(--font-body);border:1px solid var(--xlight);border-radius:6px;outline:none;color:var(--darkgray);background:var(--white);transition:border-color .2s}
.search-input:focus{border-color:var(--black)}
.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:16px;opacity:.4;pointer-events:none}
.search-empty{display:none}

.portfolio-more{text-align:center;margin-top:48px}
.portfolio-more .btn{background:var(--white);color:var(--black);border:1px solid var(--xlight)}
.portfolio-more .btn:hover{background:var(--black);color:var(--white)}

/* About */
.about{display:flex;align-items:center;min-height:500px}
.about-inner{max-width:680px}
.about-name{font-family:var(--font-heading);font-size:42px;font-weight:700;color:var(--black)}
.about-role{font-size:16px;color:var(--midgray);margin-top:4px}
.about-divider{width:40px;height:2px;background:var(--divider);margin:28px 0}
.about-bio{font-size:16px;color:var(--darkgray);line-height:1.8;white-space:pre-line}
.about-team{display:flex;align-items:center;gap:12px;margin-top:24px}
.about-team-label{font-size:13px;font-weight:600;color:var(--darkgray)}
.about-team-name{font-size:14px;color:var(--midgray)}

/* Contact */
.contact{background:var(--black);display:grid;grid-template-columns:1fr 1fr;gap:80px}
.contact-info{max-width:500px}
.contact-info .section-label{color:var(--lightgray)}
.contact-info .section-title{color:var(--white)}
.contact-info .section-desc{color:var(--lightgray)}
.contact-details{margin-top:28px;display:flex;flex-direction:column;gap:16px}
.contact-item-label{font-size:13px;color:var(--lightgray);margin-bottom:4px}
.contact-item-value{font-size:16px;font-weight:500;color:var(--white)}
.contact-form{background:rgba(64,64,64,0.4);border-radius:4px;padding:40px}
.form-title{font-family:var(--font-heading);font-size:20px;font-weight:700;color:var(--white);margin-bottom:24px}
.form-group{margin-bottom:16px}
.form-input,.form-textarea{width:100%;padding:14px 16px;font-size:14px;font-family:var(--font-body);color:var(--white);background:var(--black);border:1px solid rgba(255,255,255,0.08);border-radius:4px;outline:none;transition:border-color 0.2s}
.form-input:focus,.form-textarea:focus{border-color:rgba(255,255,255,0.3)}
.form-input::placeholder,.form-textarea::placeholder{color:var(--midgray)}
.form-textarea{resize:vertical;min-height:100px}
.form-submit{width:100%;padding:15px;font-size:15px;font-weight:600;color:var(--black);background:var(--white);border-radius:4px;transition:opacity 0.2s}
.form-submit:hover{opacity:0.9}

/* Footer */
.footer{background:var(--black);padding:60px 80px 40px}
.footer-top{display:flex;justify-content:space-between;gap:80px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.08)}
.footer-brand{max-width:400px}
.footer-logo{display:flex;align-items:center;gap:12px;font-family:var(--font-heading);font-size:22px;font-weight:700;color:var(--white)}
.footer-logo .logo-mark{box-shadow:0 0 0 1px rgba(255,255,255,0.1)}
.footer-tagline{font-size:13px;color:var(--midgray);margin-top:12px;line-height:1.7}
.footer-nav-title{font-size:13px;font-weight:600;color:var(--lightgray);margin-bottom:12px}
.footer-nav a{display:block;font-size:13px;color:var(--midgray);margin-bottom:8px;transition:color 0.2s}
.footer-nav a:hover{color:var(--white)}
.footer-bottom{display:flex;justify-content:space-between;padding-top:24px}
.footer-copy{font-size:12px;color:var(--midgray)}

/* Project Detail Page */
.detail-page{background:var(--white)}
.detail-bar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;height:80px;padding:0 80px;background:var(--white);box-shadow:0 1px 2px rgba(0,0,0,0.06)}
.detail-back{display:flex;align-items:center;gap:8px;padding:8px 14px;font-size:14px;font-weight:600;color:var(--darkgray);background:var(--vlight);border-radius:6px;transition:background 0.2s}
.detail-back:hover{background:var(--xlight)}
.detail-back-arrow{font-size:18px}
.detail-title-label{font-size:16px;color:var(--midgray)}
.detail-hero-wrap{cursor:zoom-in}
.detail-hero{width:100%;height:480px;object-fit:cover;background:var(--xlight)}
.detail-info{padding:80px 80px;max-width:1040px;margin:0 auto}
.detail-tag{display:inline-block;padding:5px 12px;font-size:13px;font-weight:600;color:var(--darkgray);background:var(--vlight);border-radius:4px;margin-bottom:20px}
.detail-name{font-family:var(--font-heading);font-size:48px;font-weight:700;color:var(--black);line-height:1.15;margin-bottom:20px}
.detail-meta{display:flex;flex-wrap:wrap;gap:40px;margin-bottom:28px}
.detail-meta-item{font-size:15px;color:var(--midgray)}
.detail-divider{height:1px;background:var(--xlight);margin-bottom:28px}
.detail-desc-title{font-family:var(--font-heading);font-size:20px;font-weight:700;color:var(--black);margin-bottom:16px}
.detail-desc{font-size:16px;color:var(--darkgray);line-height:1.85;white-space:pre-line}

/* Gallery */
.gallery{max-width:1040px;margin:0 auto;padding:0 80px 80px}
.gallery-title{font-family:var(--font-heading);font-size:20px;font-weight:700;color:var(--black);margin-bottom:24px}
.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.gallery-item{width:100%;height:280px;object-fit:cover;border-radius:4px;background:var(--xlight);cursor:zoom-in;transition:opacity 0.2s}
.gallery-item:hover{opacity:0.9}

/* Lightbox */
.lightbox{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.92);z-index:300;align-items:center;justify-content:center;cursor:zoom-out}
.lightbox.active{display:flex}
.lightbox img{max-width:90%;max-height:90%;object-fit:contain;border-radius:4px}

/* CTA */
.detail-cta{padding:80px;background:var(--vlight);text-align:center}
.detail-cta h3{font-family:var(--font-heading);font-size:32px;font-weight:700;color:var(--black);margin-bottom:12px}
.detail-cta p{font-size:16px;color:var(--midgray);margin-bottom:24px}

/* Page intro (projects listing) */
.page-intro{padding:120px 80px 40px;text-align:center}
.page-intro .section-label{text-align:center}
.page-intro .section-title{text-align:center}
.page-intro .section-desc{text-align:center}

/* Loading */
.loading{text-align:center;padding:120px 0;color:var(--midgray);font-size:15px}

/* Responsive */
@media (max-width:1200px){
  .header,.hero,.section{padding-left:40px;padding-right:40px}
  .hero-title{font-size:52px}
  .portfolio-grid{grid-template-columns:repeat(2,1fr)}
  .contact{grid-template-columns:1fr;gap:40px}
  .detail-info,.detail-bar{padding-left:40px;padding-right:40px}
  .gallery{padding:0 40px 60px}
  .gallery-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .header{padding:0 24px;height:64px}
  .header-logo{font-size:18px;gap:10px}
  .logo-mark{height:28px;width:28px}
  .header-nav{gap:20px}
  .header-nav a{font-size:13px}
  .hero{padding:0 24px;min-height:460px}
  .hero-title{font-size:36px}
  .section{padding:56px 24px}
  .section-title,.about-name{font-size:32px}
  .services-grid{grid-template-columns:1fr}
  .portfolio-grid{grid-template-columns:1fr}
  .footer{padding:48px 24px 32px}
  .footer-top{flex-direction:column;gap:32px}
  .detail-bar{padding:0 24px;height:64px}
  .detail-hero{height:280px}
  .detail-info{padding:48px 24px}
  .detail-name{font-size:28px}
  .detail-meta{gap:20px}
  .gallery{padding:0 24px 48px}
  .detail-cta{padding:48px 24px}
  .detail-cta h3{font-size:24px}
}