/* L•A·N — 生灵故事详情页共享样式 */
:root{
    --bg-dark:#0A0A0A;--bg-mid:#141414;--bg-light:#1C1C1C;--bg-elevated:#242424;
    --charcoal:#1C1C1C;--taupe:#888888;--gold:#FFFFFF;
    --pale-gold:#3A3A3A;--olive:#888888;--stone:#2A2A2A;
    --mist:#181818;--border-light:#2A2A2A;
    --text-primary:#FFFFFF;--text-secondary:#B5B5B5;--text-muted:#707070;
    --font-display:'Marcellus','Cormorant Garamond','Noto Serif SC',serif;
    --font-body:'Cormorant Garamond','Noto Serif SC','Noto Sans SC',Georgia,serif;
    --transition-slow:0.6s cubic-bezier(0.25,0.1,0.25,1);
    --transition-medium:0.4s cubic-bezier(0.25,0.1,0.25,1);
    --transition-fast:0.25s cubic-bezier(0.25,0.1,0.25,1);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;font-size:16px;-webkit-font-smoothing:antialiased;}
body{
    font-family:var(--font-body);
    background:var(--bg-dark);color:var(--text-primary);line-height:1.7;
    overflow-x:hidden;letter-spacing:0.02em;
}
img{background:var(--stone);max-width:100%;display:block;}
img[src]{background:transparent;}

/* 顶部导航（详情页：滚动后才有底色） */
.story-nav{
    position:fixed;top:0;left:0;width:100%;z-index:999;
    padding:20px 50px;display:flex;align-items:center;justify-content:space-between;
    transition:all var(--transition-medium);background:transparent;
}
.story-nav.scrolled{
    background:rgba(24,24,22,0.92);backdrop-filter:blur(16px);
    padding:14px 50px;box-shadow:0 1px 30px rgba(0,0,0,0.04);
}
.story-nav .nav-back{
    display:inline-flex;align-items:center;gap:8px;text-decoration:none;
    font-size:0.78rem;letter-spacing:0.14em;text-transform:uppercase;
    color:rgba(255,255,255,0.92);transition:color var(--transition-fast);
}
.story-nav.scrolled .nav-back{color:var(--text-secondary);}
.story-nav .nav-back:hover{color:var(--gold);}
.story-nav .nav-back .arrow{display:inline-block;transition:transform var(--transition-fast);}
.story-nav .nav-back:hover .arrow{transform:translateX(-4px);}
.story-nav .nav-brand{display:flex;align-items:center;justify-content:center;text-decoration:none;line-height:0;}
.story-nav .nav-brand img{height:36px;width:auto;display:block;transition:all var(--transition-medium);filter:brightness(0) invert(1);opacity:0.95;}
.story-nav.scrolled .nav-brand img{height:32px;filter:brightness(0) invert(1) drop-shadow(0 2px 6px rgba(0,0,0,0.5));}
.story-nav .nav-lang{display:flex;gap:6px;background:rgba(0,0,0,0.25);backdrop-filter:blur(12px);border-radius:30px;padding:4px 6px;border:1px solid rgba(255,255,255,0.3);}
.story-nav.scrolled .nav-lang{background:rgba(38,38,34,0.7);border-color:var(--border-light);}
.story-nav .lang-btn{
    background:none;border:none;cursor:pointer;
    font-family:'Cormorant Garamond','Noto Sans SC',serif;
    font-size:0.65rem;letter-spacing:0.08em;color:rgba(255,255,255,0.75);
    padding:5px 10px;border-radius:20px;transition:all var(--transition-fast);
    text-transform:uppercase;white-space:nowrap;
}
.story-nav.scrolled .lang-btn{color:var(--text-muted);}
.story-nav .lang-btn.active{color:var(--bg-dark);background:rgba(255,255,255,0.9);}
.story-nav.scrolled .lang-btn.active{color:var(--bg-dark);background:var(--text-primary);}

/* hero 模式下移动端导航增强（与主页一致） */
@media(max-width:768px){
    .story-nav{
        background:linear-gradient(to bottom,rgba(0,0,0,0.55) 0%,rgba(0,0,0,0.25) 55%,transparent 100%);
        padding:16px 20px;
    }
    .story-nav.scrolled{padding:12px 20px;background:rgba(24,24,22,0.92);}
    .story-nav .nav-brand img{height:30px;}
}

/* 故事 hero */
.story-hero{
    position:relative;width:100%;height:90vh;min-height:600px;
    display:flex;align-items:flex-end;overflow:hidden;background:#1a1a1a;
}
.story-hero-bg{
    position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
    opacity:0.85;filter:brightness(0.65) saturate(0.95);
}
.story-hero-overlay{
    position:absolute;inset:0;
    background:linear-gradient(to bottom,rgba(28,28,28,0.3) 0%,rgba(28,28,28,0.2) 35%,rgba(28,28,28,0.7) 100%);
}
.story-hero-content{
    position:relative;z-index:2;padding:0 60px 100px;max-width:1200px;color:#fff;
}
.story-hero-tag{
    font-size:0.7rem;letter-spacing:0.22em;text-transform:uppercase;
    color:rgba(255,255,255,0.8);margin-bottom:18px;display:block;
}
.story-hero-title{
    font-family:var(--font-display);font-size:clamp(2.6rem,6vw,5rem);font-weight:400;letter-spacing:0.12em;
    color:#fff;line-height:1.1;margin-bottom:14px;text-shadow:0 2px 20px rgba(0,0,0,0.3);
}
.story-hero-subtitle{
    font-family:var(--font-display);font-size:clamp(1rem,1.6vw,1.3rem);font-weight:400;letter-spacing:0.1em;
    color:rgba(255,255,255,0.85);max-width:680px;font-style:italic;
}
@media(max-width:768px){
    .story-hero{height:80vh;min-height:520px;}
    .story-hero-content{padding:0 24px 60px;}
}

/* 通用区块 */
.section{padding:90px 50px;}
.section-narrow{max-width:760px;margin:0 auto;}
.section-label{font-size:0.7rem;letter-spacing:0.2em;text-transform:uppercase;color:var(--taupe);margin-bottom:14px;display:block;}
.section-title{font-family:var(--font-display);font-size:clamp(1.8rem,3.2vw,2.8rem);font-weight:400;letter-spacing:0.1em;color:var(--text-primary);margin-bottom:18px;line-height:1.2;}
.section-divider{width:40px;height:1px;background:var(--pale-gold);margin:18px 0 28px;}
.section p{font-size:1.05rem;font-weight:400;color:var(--text-secondary);line-height:1.95;margin-bottom:18px;}
.section p.lead{font-size:1.2rem;color:var(--text-primary);font-style:italic;}
.section p strong{color:var(--text-primary);font-weight:500;}
.section blockquote{
    margin:36px 0;padding:24px 32px;border-left:2px solid var(--gold);
    background:var(--bg-elevated);font-size:1.15rem;font-style:italic;color:var(--text-secondary);
}
.section h3{font-family:var(--font-display);font-size:1.5rem;font-weight:400;color:var(--text-primary);margin:36px 0 14px;letter-spacing:0.08em;}

/* 双栏图文 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;margin:60px 0;}
.split.reverse .split-text{order:2;}
.split-image{aspect-ratio:4/5;overflow:hidden;background:var(--stone);}
.split-image img{width:100%;height:100%;object-fit:cover;filter:brightness(0.95);}
.split-text h3{margin-top:0;}
@media(max-width:768px){
    .split{grid-template-columns:1fr;gap:30px;margin:40px 0;}
    .split.reverse .split-text{order:0;}
}

/* 大图配文 */
.feature-image{margin:60px 0;}
.feature-image img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.feature-image .caption{font-size:0.8rem;color:var(--text-muted);letter-spacing:0.06em;margin-top:10px;text-align:center;font-style:italic;}

/* 视频区 */
.video-wrap{margin:60px 0;position:relative;}
.video-frame{
    position:relative;aspect-ratio:16/9;background:#0d0d0d;overflow:hidden;
    border-radius:2px;
}
.video-frame img{width:100%;height:100%;object-fit:cover;opacity:0.78;filter:brightness(0.7);}
.video-frame video{width:100%;height:100%;object-fit:cover;display:block;background:#0d0d0d;}
.video-play{
    position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
    width:88px;height:88px;border-radius:50%;
    background:rgba(255,255,255,0.18);backdrop-filter:blur(8px);
    border:1.5px solid rgba(255,255,255,0.7);
    display:flex;align-items:center;justify-content:center;
    cursor:pointer;
    transition:all var(--transition-medium);
}
.video-play::before{
    content:'';display:block;width:0;height:0;
    border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;
    margin-left:4px;
}
.video-frame:hover .video-play{background:rgba(255,255,255,0.28);transform:translate(-50%,-50%) scale(1.06);}
.video-frame.playing .video-play{opacity:0;pointer-events:none;}
.video-caption{font-size:0.8rem;color:var(--text-muted);letter-spacing:0.06em;margin-top:12px;text-align:center;font-style:italic;}

/* 时间线 */
.timeline{margin:50px 0;padding-left:24px;border-left:1px solid var(--border-light);}
.timeline-item{position:relative;padding:0 0 36px 24px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
    content:'';position:absolute;left:-29px;top:6px;width:11px;height:11px;border-radius:50%;
    background:var(--bg-mid);border:2px solid var(--gold);
}
.timeline-item .stage{font-size:0.7rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--taupe);margin-bottom:6px;display:block;}
.timeline-item h4{font-family:var(--font-display);font-size:1.25rem;font-weight:400;color:var(--text-primary);margin-bottom:8px;letter-spacing:0.06em;}
.timeline-item p{font-size:0.98rem;color:var(--text-secondary);margin-bottom:0;}

/* 关键数据条 */
.facts{
    display:grid;grid-template-columns:repeat(4,1fr);gap:30px;
    background:var(--bg-light);padding:50px 40px;margin:60px 0;
}
.facts .fact{text-align:center;}
.facts .fact .num{font-size:clamp(1.8rem,3vw,2.6rem);font-weight:300;color:var(--gold);letter-spacing:0.04em;display:block;margin-bottom:8px;font-family:'Cormorant Garamond',serif;}
.facts .fact .lbl{font-size:0.75rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--text-muted);}
@media(max-width:768px){.facts{grid-template-columns:repeat(2,1fr);gap:24px;padding:36px 24px;}}

/* 文化产品区 */
.products-section{background:var(--bg-light);padding:90px 50px;}
.products-section .section-title{text-align:center;}
.products-section .section-label{text-align:center;}
.products-section .section-intro{font-size:1rem;color:var(--text-secondary);text-align:center;max-width:620px;margin:0 auto 50px;font-weight:300;}
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;max-width:1200px;margin:0 auto;}
.product-card{
    background:var(--bg-mid);text-decoration:none;color:inherit;display:block;
    transition:all var(--transition-medium);scroll-margin-top:120px;overflow:hidden;
}
.product-card.highlight{animation:productHighlight 2.4s ease-out;}
@keyframes productHighlight{
    0%{box-shadow:0 0 0 0 rgba(184,151,110,0);}
    20%{box-shadow:0 0 0 6px rgba(184,151,110,0.4);}
    100%{box-shadow:0 0 0 0 rgba(184,151,110,0);}
}
.product-card:hover{box-shadow:0 20px 50px rgba(0,0,0,0.08);transform:translateY(-4px);}
.product-card-image{aspect-ratio:1/1;overflow:hidden;background:var(--stone);}
.product-card-image img{width:100%;height:100%;object-fit:cover;transition:transform 1s;filter:brightness(0.9);}
.product-card:hover .product-card-image img{transform:scale(1.05);filter:brightness(1);}
.product-card-info{padding:24px;text-align:center;}
.product-card-info .cat{display:none;}
.product-card-info h4{font-family:var(--font-display);font-size:1.15rem;font-weight:400;color:var(--text-primary);margin-bottom:8px;letter-spacing:0.06em;}
.product-card-info .desc{font-size:0.85rem;font-weight:400;color:var(--text-secondary);line-height:1.6;margin-bottom:0;}
.product-card-info .price{display:none;}
@media(max-width:768px){.products-grid{grid-template-columns:1fr;gap:24px;}.products-section{padding:60px 24px;}}

/* 行动召唤 */
.cta{
    background:var(--bg-light);color:var(--text-primary);text-align:center;padding:90px 50px;
}
.cta h3{font-family:var(--font-display);font-size:clamp(1.6rem,2.8vw,2.4rem);font-weight:400;letter-spacing:0.1em;margin-bottom:18px;color:var(--text-primary);}
.cta p{font-size:1rem;font-weight:400;color:var(--text-secondary);max-width:560px;margin:0 auto 30px;line-height:1.8;}
.cta-buttons{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;}
.cta-btn{
    display:inline-flex;align-items:center;gap:8px;padding:14px 28px;
    border:1px solid var(--text-secondary);color:var(--text-primary);text-decoration:none;
    font-size:0.78rem;letter-spacing:0.16em;text-transform:uppercase;transition:all var(--transition-fast);
}
.cta-btn:hover{background:var(--text-primary);color:var(--bg-dark);border-color:var(--text-primary);}
.cta-btn.primary{background:var(--gold);border-color:var(--gold);color:var(--bg-dark);}
.cta-btn.primary:hover{background:var(--text-primary);border-color:var(--text-primary);}

/* 页脚 */
.story-footer{
    background:var(--bg-dark);border-top:1px solid var(--border-light);
    padding:40px 50px 24px;text-align:center;
}
.story-footer .brand{font-family:var(--font-display);font-size:1.2rem;letter-spacing:0.18em;color:var(--text-primary);margin-bottom:14px;}
.story-footer .links{display:flex;justify-content:center;gap:32px;list-style:none;margin-bottom:20px;flex-wrap:wrap;}
.story-footer .links a{font-size:0.75rem;letter-spacing:0.12em;color:var(--text-secondary);text-decoration:none;text-transform:uppercase;transition:color 0.3s;}
.story-footer .links a:hover{color:var(--text-primary);}
.story-footer .copy{font-size:0.7rem;letter-spacing:0.1em;color:var(--text-muted);}

/* 滚动动画 */
.fade-in-up{opacity:0;transform:translateY(30px);transition:opacity 0.8s ease,transform 0.8s ease;}
.fade-in-up.visible{opacity:1;transform:translateY(0);}
.fade-in{opacity:0;transition:opacity 0.8s ease;}
.fade-in.visible{opacity:1;}

@media(max-width:768px){
    .section{padding:60px 24px;}
    .section p{font-size:1rem;}
}
@media(prefers-reduced-motion:reduce){
    *{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;}
    html{scroll-behavior:auto;}
}