/* === style-unified.css === */
/* Base from OneCove Apple V2 + poetic fullscreen V3 blend */
:root{
  --bg: #fbfaff;
  --text:#0f1720;
  --muted:#6b7280;
  --accent:#7a5cf0;
  --accent-2:#9b87f5;
  --glass: rgba(255,255,255,0.7);
  --section-gap: 96px;
  --maxw: 1200px;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: "Noto Serif SC", "Playfair Display", serif;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.6;
}
/* --- Header from V2 --- */
.header{
  position:sticky;
  top:0;
  z-index:1200;
  background:rgba(122,92,240,0.15); /* 柔和紫色背景 */
  backdrop-filter:blur(8px);
  border-bottom:1px solid rgba(122,92,240,0.25);
}
.nav{max-width:var(--maxw);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:18px 20px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--text)}
.logo-mark{width:46px;height:46px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(180deg,var(--accent),var(--accent-2));color:#fff;font-weight:700}

/* Logo image styling - applies to all screen sizes */
.logo-img {
  height: 46px;
  width: auto;
  margin-right: 8px;
  vertical-align: middle;
}

.nav-links{display:flex;gap:20px;align-items:center}
.nav-links a{color:var(--muted);text-decoration:none;font-weight:600;padding:8px 10px;border-radius:8px}
.nav-links a:hover{color:var(--accent)}
.langs{display:flex;gap:8px}
.lang-btn{background:transparent;border:1px solid rgba(0,0,0,0.06);padding:6px 8px;border-radius:8px;cursor:pointer;font-weight:600}
/* Hamburger menu - hidden on desktop */
.hamburger{display:none;flex-direction:column;gap:4px;cursor:pointer;padding:8px;background:transparent;border:none}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);transition:all 0.3s ease;border-radius:2px}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-6px)}
/* --- Longform (for index) --- */
.hero{max-width:var(--maxw);margin:48px auto;padding:72px 20px;display:grid;grid-template-columns:1fr 520px;gap:48px;align-items:center;}
.kicker{color:var(--accent);font-weight:700;letter-spacing:0.6px;margin-bottom:8px}
.h1{font-size:48px;line-height:1.02;margin:0 0 16px;font-weight:700}
.lead{color:var(--muted);font-size:18px;max-width:56ch;margin-bottom:22px}
.ctas{display:flex;gap:12px}
.btn{padding:12px 18px;border-radius:12px;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;gap:10px}
.btn-primary{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#fff;box-shadow:0 10px 30px rgba(122,92,240,0.12)}
.btn-ghost{background:transparent;border:1px solid rgba(122,92,240,0.12);color:var(--accent)}
/* Index page sections */
.section{max-width:var(--maxw);margin:var(--section-gap) auto;padding:0 20px}
.block{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.block.alt{direction:rtl}
.block.alt>*{direction:ltr}
.text h2{font-size:2rem;margin-bottom:1rem;font-weight:700}
.text p{color:var(--muted);line-height:1.8;margin-bottom:1rem}
.specs{list-style:none;padding:0;margin:1.5rem 0}
.specs li{padding:8px 0;color:var(--muted);border-bottom:1px solid rgba(0,0,0,0.05)}
.visual{width:100%;height:400px;border-radius:16px;overflow:hidden;box-shadow:0 12px 40px rgba(0,0,0,0.08)}
.visual img{width:100%;height:100%;object-fit:cover}
.card{background:#fff;padding:48px;border-radius:20px;box-shadow:0 12px 40px rgba(0,0,0,0.06)}
.card h3{font-size:1.8rem;margin-bottom:2rem}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:2rem}
.contact-item{text-align:center}
.contact-item strong{display:block;font-size:1.1rem;margin-bottom:8px}
.fade-up{opacity:0;animation:fadeInUp 1s ease forwards}
/* --- Fullscreen poetic (for v3 pages) --- */
.section-v3 {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 8vh 10vw;
  background: #fff;
  border-bottom: 1px solid rgba(0,0,0,0.04);
}
.section-v3 h2 {
  font-size: 2.6rem;
  margin-bottom: 1.2rem;
  font-weight: 600;
}
.section-v3 p {
  font-size: 1.1rem;
  line-height: 1.9;
  max-width: 720px;
  color: var(--muted);
  margin-bottom: 2.4rem;
}
.section-v3 img {
  max-width: 80%;
  border-radius: 16px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.08);
  transition: transform 1.2s ease, opacity 1.2s ease;
}
.section-v3 img:hover {
  transform: scale(1.02);
  opacity: 0.95;
}
/* Fade-in animation */
.fade-in { opacity: 0; transform: translateY(30px); animation: fadeInUp 1.2s ease forwards; }
@keyframes fadeInUp { from {opacity:0; transform:translateY(30px);} to {opacity:1; transform:translateY(0);} }
/* Footer */
.footer{
  max-width:var(--maxw);
  margin:56px auto;
  padding:28px 20px;
  text-align:center;
  color:var(--muted);
  font-size:0.95rem;
  border-top:1px solid rgba(16,16,32,0.03);
}
/* Responsive */
@media (max-width:980px){
  .hero{grid-template-columns:1fr;gap:28px;padding:40px 18px}
  .visual{height:360px}
  .block{grid-template-columns:1fr;gap:28px}
  .block.alt{direction:ltr}
  .h1{font-size:36px}
  .section-v3 h2{font-size:2rem;}
  .contact-grid{grid-template-columns:1fr;gap:20px}
}

/* Mobile nav - hamburger menu */
@media (max-width:768px){
  .hamburger{display:flex}
  .nav{padding:12px 16px;position:relative}
  .logo-mark{width:38px;height:38px;font-size:0.85rem}
  .site-title{font-size:0.95rem}
  
  /* Logo size adjustment for mobile */
  .logo-img {
    height: 36px;
  }
  
  /* Hide nav links by default on mobile */
  .nav-links{
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:rgba(255,255,255,0.98);
    backdrop-filter:blur(12px);
    flex-direction:column;
    gap:0;
    padding:0;
    box-shadow:0 8px 20px rgba(0,0,0,0.08);
    border-top:1px solid rgba(16,16,32,0.06);
    max-height:0;
    overflow:hidden;
    opacity:0;
    visibility:hidden;
    transition:all 0.3s ease;
  }
  
  /* Show nav links when active */
  .nav-links.active{
    max-height:400px;
    opacity:1;
    visibility:visible;
    padding:12px 0;
  }
  
  .nav-links a{
    padding:14px 24px;
    border-radius:0;
    width:100%;
    text-align:left;
    font-size:1rem;
    display:block;
  }
  
  .nav-links a:hover{
    background:rgba(122,92,240,0.08);
  }
  
  .langs{
    gap:6px;
  }
  
  .lang-btn{
    padding:6px 10px;
    font-size:0.85rem;
  }
}