:root{
    --paper:#F7F0E1;      
    --paper-soft:#FBF6EA; 
    --paper-deep:#EDE2CB; 
    --ink:#3B2C1B;        
    --ink-soft:#5C4A33;   
    --sepia:#7A5C3E;     
    --wood:#5C4430;       
    --accent:#A84E3A;     
    --line:#D6C5A6;      
    --cream:#F4EAD6;      
    --serif:"Noto Serif SC","Songti SC","SimSun",serif;
    --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
    --brush:"Ma Shan Zheng","KaiTi","STKaiti","Noto Serif SC",serif;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--paper);
    color:var(--ink);
    font-family:var(--sans);
    font-weight:300;
    line-height:1.7;
    max-width:1200px;
    margin:0 auto;
    overflow-x:hidden;
  }
  img{display:block;max-width:100%;}
  a{text-decoration:none;color:inherit;}
  button{font-family:var(--sans);}
  section{position:relative;}

  .seal{
    display:inline-flex;align-items:center;justify-content:center;
    width:2.4em;height:2.4em;border:2px solid var(--accent);color:var(--accent);
    font-family:var(--serif);font-weight:700;font-size:15px;letter-spacing:0.05em;
    background:transparent;box-shadow:inset 0 0 0 1px rgba(168,78,58,0.25);flex:none;
  }
  .seal.tiny{width:2em;height:2em;font-size:12px;}
  .script-rule{display:flex;align-items:center;gap:12px;margin:18px 0 6px;}
  .script-rule::before,.script-rule::after{content:"";flex:1;height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent);}
  .script-rule svg{flex:none;}
  .section-head{
    display:flex;align-items:flex-end;justify-content:space-between;
    padding:64px 30px 0;gap:20px;flex-wrap:wrap;
  }
  .section-title{
    font-family:var(--serif);font-weight:700;font-size:28px;color:var(--ink);
    letter-spacing:0.1em;display:flex;align-items:center;gap:14px;
  }
  .section-title .cn-small{font-size:12px;font-weight:400;color:var(--sepia);letter-spacing:0.3em;align-self:flex-end;padding-bottom:6px;}
  .section-intro{max-width:640px;font-size:13.5px;color:var(--ink-soft);line-height:2;padding:14px 30px 0;}
  .wrap{padding:0 30px;}
  .more-link{font-size:13px;color:var(--sepia);border-bottom:1px solid var(--accent);padding-bottom:2px;transition:color .25s;white-space:nowrap;}
  .more-link:hover{color:var(--accent);}

  .reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease;}
  .reveal.in{opacity:1;transform:none;}

  header{
    background:rgba(237,226,203,0.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
    padding:0 30px;display:flex;justify-content:space-between;align-items:center;
    min-height:64px;border-bottom:1px solid var(--line);
    position:sticky;top:0;z-index:100;transition:box-shadow .3s,background .3s;
  }
  header.scrolled{box-shadow:0 6px 24px rgba(59,44,27,0.10);}
  .logo-text{font-family:var(--serif);font-weight:700;font-size:20px;color:var(--wood);letter-spacing:0.06em;display:flex;align-items:center;gap:10px;}
  .logo-text .dot{color:var(--accent);}
  nav{display:flex;gap:2px;}
  nav a{padding:6px 10px;font-size:13.5px;color:var(--sepia);border-bottom:2px solid transparent;transition:color .25s,border-color .25s;}
  nav a:hover{color:var(--accent);border-bottom-color:var(--accent);}
  .header-right{display:flex;gap:8px;align-items:center;}
  .header-right .hbtn{
    font-size:13px;padding:6px 16px;border:1px solid var(--line);border-radius:2px;
    color:var(--sepia);background:transparent;cursor:pointer;letter-spacing:0.08em;
    transition:color .25s,border-color .25s,background .25s;
  }
  .header-right .hbtn:hover{color:var(--accent);border-color:var(--accent);}
  .header-right .hbtn.primary{border-color:var(--accent);color:var(--accent);}
  .header-right .hbtn.primary:hover{background:var(--accent);color:#fff;}
  .header-right .user-chip{font-size:13px;color:var(--ink-soft);letter-spacing:0.06em;padding:6px 8px;}
  .header-right .user-chip b{color:var(--accent);font-weight:600;}

  .hero{
    position:relative;min-height:88vh;display:flex;align-items:center;
    background:url(../images/449fbe03b0cd254d6e6fce34bca97847.jpg) center/cover no-repeat;
    overflow:hidden;
  }
  .hero::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(38,26,14,0.82) 0%,rgba(38,26,14,0.55) 46%,rgba(38,26,14,0.12) 78%);
  }
  .hero::before{
    content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
    background:radial-gradient(ellipse at 30% 50%,transparent 55%,rgba(24,16,8,0.35) 100%);
  }
  .hero-inner{position:relative;z-index:2;padding:0 30px;max-width:820px;}
  .hero-kicker{display:flex;align-items:center;gap:12px;color:#E8D9BC;font-size:13px;letter-spacing:0.35em;margin-bottom:26px;animation:rise .9s ease-out both;}
  .hero-title{
    font-family:var(--brush);font-weight:400;color:#FFF;
    font-size:clamp(72px,13vw,170px);line-height:1;letter-spacing:0.14em;
    text-shadow:0 8px 40px rgba(0,0,0,0.45);
    animation:rise 1s .15s ease-out both;
  }
  .hero-sub{
    font-family:var(--serif);color:#F2E9D8;font-size:17px;letter-spacing:0.42em;
    margin:6px 0 22px;animation:rise 1s .3s ease-out both;
  }
  .hero-lead{
    color:rgba(242,233,216,0.88);font-size:14px;line-height:2.1;max-width:560px;
    animation:rise 1s .45s ease-out both;
  }
  .hero-cta{
    display:inline-block;margin-top:30px;padding:11px 30px;border:1px solid rgba(242,233,216,0.6);
    color:#F2E9D8;font-size:14px;letter-spacing:0.3em;transition:background .3s,color .3s;
    animation:rise 1s .6s ease-out both;
  }
  .hero-cta:hover{background:#F2E9D8;color:var(--wood);}
  .hero-vertical{
    position:absolute;z-index:2;right:34px;top:50%;transform:translateY(-50%);
    writing-mode:vertical-rl;font-family:var(--serif);letter-spacing:0.55em;font-size:13px;
    color:rgba(247,240,225,0.8);border-right:1px solid rgba(247,240,225,0.35);padding-right:14px;
    animation:fadeIn 1.4s .8s ease-out both;
  }
  .hero-scroll{
    position:absolute;z-index:2;left:30px;bottom:30px;color:rgba(247,240,225,0.7);
    font-size:11px;letter-spacing:0.4em;display:flex;flex-direction:column;align-items:center;gap:10px;
    animation:fadeIn 1.4s 1s ease-out both;
  }
  .hero-scroll::after{
    content:"";width:1px;height:46px;background:linear-gradient(rgba(247,240,225,0.7),transparent);
    animation:drip 2.2s ease-in-out infinite;
  }
  .hero-stroke{position:absolute;z-index:1;opacity:0.5;}
  .hero-stroke.s1{left:52%;top:18%;}
  .hero-stroke.s2{left:70%;bottom:16%;}
  @keyframes rise{from{opacity:0;transform:translateY(24px);}to{opacity:1;transform:none;}}
  @keyframes fadeIn{from{opacity:0;}to{opacity:1;}}
  @keyframes drip{0%{transform:scaleY(0);transform-origin:top;}55%{transform:scaleY(1);transform-origin:top;}100%{transform:scaleY(0);transform-origin:bottom;}}

  .ticker{
    background:var(--ink);color:var(--cream);overflow:hidden;padding:13px 0;
    border-top:1px solid rgba(214,197,166,0.25);border-bottom:1px solid rgba(214,197,166,0.25);
  }
  .ticker-track{display:flex;width:max-content;animation:scroll-x 36s linear infinite;}
  .ticker-track span{
    font-size:12px;letter-spacing:0.32em;white-space:nowrap;padding-right:60px;color:#D9C9AC;
  }
  .ticker-track span b{color:var(--accent);font-weight:400;}
  @keyframes scroll-x{from{transform:translateX(0);}to{transform:translateX(-50%);}}

  .three-card-row{
    display:grid;grid-template-columns:repeat(3,1fr);gap:26px;padding:26px 30px 0;
  }
  .card-item{
    background:var(--paper-soft);border:1px solid var(--line);
    border-top:3px solid transparent;
    transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease;
  }
  .card-item:hover{transform:translateY(-6px);box-shadow:0 18px 36px rgba(92,68,48,0.14);border-top-color:var(--accent);}
  .card-img{aspect-ratio:4/5;overflow:hidden;border-bottom:1px solid var(--line);}
  .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease;}
  .card-item:hover .card-img img{transform:scale(1.05);}
  .card-body{padding:18px 20px 22px;}
  .card-body h3{font-family:var(--serif);font-size:20px;font-weight:700;color:var(--wood);letter-spacing:0.2em;margin-bottom:10px;display:flex;align-items:center;gap:8px;}
  .card-body h3::before{content:"";width:14px;height:1px;background:var(--accent);}
  .card-desc{font-size:13px;line-height:1.9;color:var(--ink-soft);}

  .alt{background:var(--paper-deep);}
  .stroke-row{
    display:grid;grid-template-columns:repeat(4,1fr);gap:22px;padding:30px 30px 10px;
  }
  .stroke-card{
    background:var(--paper-soft);border:1px solid var(--line);padding:26px 20px 24px;text-align:center;
    transition:transform .3s,box-shadow .3s;
  }
  .stroke-card:hover{transform:translateY(-5px);box-shadow:0 14px 28px rgba(92,68,48,0.12);}
  .stroke-svg{width:86px;height:86px;margin:0 auto 16px;}
  .stroke-svg path,.stroke-svg circle{stroke-dasharray:300;stroke-dashoffset:300;transition:stroke-dashoffset 1.1s ease;}
  .stroke-card:hover .stroke-svg path,.stroke-card:hover .stroke-svg circle{stroke-dashoffset:0;}
  .stroke-card h4{font-family:var(--serif);font-size:19px;color:var(--wood);letter-spacing:0.4em;margin-bottom:8px;}
  .stroke-card p{font-size:12.5px;color:var(--ink-soft);line-height:1.9;}
  .stroke-note{font-size:12px;color:var(--sepia);padding:8px 30px 0;letter-spacing:0.08em;}

  .sketch-box{
    margin:34px 30px 0;border:1px solid var(--line);background:var(--paper-soft);
    padding:28px;display:grid;grid-template-columns:1fr 250px;gap:28px;align-items:center;
  }
  .sketch-canvas-wrap{position:relative;}
  canvas#ink{
    width:100%;display:block;cursor:crosshair;touch-action:none;
    background:#F1E7CF;box-shadow:inset 0 2px 10px rgba(92,68,48,0.12);
  }
  .sketch-info h4{font-family:var(--serif);font-size:19px;color:var(--wood);letter-spacing:0.2em;margin-bottom:10px;}
  .sketch-info p{font-size:12.5px;color:var(--ink-soft);line-height:1.9;margin-bottom:18px;}
  .sketch-actions{display:flex;gap:10px;flex-wrap:wrap;}
  .sketch-actions button{
    padding:8px 18px;border:1px solid var(--sepia);background:transparent;color:var(--sepia);
    font-size:13px;letter-spacing:0.15em;cursor:pointer;transition:background .25s,color .25s;
  }
  .sketch-actions button:hover{background:var(--sepia);color:var(--paper-soft);}
  .sketch-actions button.primary{border-color:var(--accent);color:var(--accent);}
  .sketch-actions button.primary:hover{background:var(--accent);color:#fff;}

  .old-story-banner{
    position:relative;margin:26px 30px 0;min-height:340px;overflow:hidden;
    background:url(../images/1bcfa8925fecf75ff5f306a4ff1d9f87.jpg) center/cover no-repeat;
  }
  .old-story-banner::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(95deg,rgba(46,33,20,0.88) 0%,rgba(46,33,20,0.74) 55%,rgba(46,33,20,0.28) 100%);
  }
  .old-story-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 240px;gap:40px;padding:50px 46px;}
  .old-story-inner p{font-size:14px;line-height:2.15;color:var(--cream);max-width:640px;}
  .old-story-quote{
    writing-mode:vertical-rl;font-family:var(--serif);color:#E8D9BC;font-size:15px;
    letter-spacing:0.45em;border-left:1px solid rgba(232,217,188,0.4);padding-left:16px;justify-self:end;
  }

  .dark{
    background:var(--ink);color:var(--cream);
  }
  #timeline::before{
    content:"";position:absolute;inset:0;pointer-events:none;
    background: url(../images/46b7f88ec30d5e83df53bb40bf4fc026.jpg) center/cover no-repeat;
    opacity:0.16;
  }
  #timeline .section-head,#timeline .timeline-wrap{position:relative;z-index:1;}
  .dark .section-head{padding-top:72px;}
  .dark .section-title{color:var(--cream);}
  .dark .section-title .cn-small{color:#B49B76;}
  .dark .more-link{color:#B49B76;}
  .timeline-wrap{padding:36px 30px 30px;position:relative;}
  .timeline{position:relative;max-width:900px;margin:0 auto;}
  .timeline::before{
    content:"";position:absolute;left:50%;top:0;bottom:0;width:1px;
    background:linear-gradient(rgba(214,197,166,0.05),rgba(214,197,166,0.45),rgba(214,197,166,0.05));
  }
  .tl-item{position:relative;width:50%;padding:0 44px 44px 0;text-align:right;}
  .tl-item:nth-child(even){margin-left:50%;padding:0 0 44px 44px;text-align:left;}
  .tl-dot{
    position:absolute;top:6px;right:-5px;width:11px;height:11px;border-radius:50%;
    background:var(--paper-deep);border:2px solid var(--accent);
  }
  .tl-item:nth-child(even) .tl-dot{right:auto;left:-5px;}
  .tl-year{font-family:var(--serif);font-size:15px;letter-spacing:0.2em;color:var(--accent);margin-bottom:6px;}
  .tl-year b{font-family:var(--brush);font-weight:400;font-size:30px;letter-spacing:0.1em;color:var(--cream);margin-right:8px;}
  .tl-title{font-family:var(--serif);font-size:17px;color:var(--cream);letter-spacing:0.15em;margin-bottom:8px;}
  .tl-desc{font-size:12.5px;line-height:1.95;color:#C9B694;max-width:360px;margin-left:auto;}
  .tl-item:nth-child(even) .tl-desc{margin-left:0;}
  .src-note{font-size:11px;color:#8F7A58;letter-spacing:0.05em;padding:10px 30px 0;}

  .remain-section{padding:26px 30px 0;}
  .remain-content{display:grid;grid-template-columns:340px 1fr;gap:46px;align-items:stretch;}
  .remain-text-box{
    background:var(--wood);color:var(--cream);padding:36px 32px;display:flex;flex-direction:column;justify-content:center;
  }
  .remain-text-box h4{font-family:var(--serif);font-size:22px;font-weight:700;letter-spacing:0.3em;color:#F7EEDC;margin-bottom:16px;display:flex;align-items:center;gap:12px;}
  .remain-text-box p{font-size:13px;line-height:2.1;color:#E7D9BE;}
  .remain-text-box button{
    margin-top:24px;align-self:flex-start;padding:9px 24px;border:1px solid #E7D9BE;background:transparent;
    color:var(--cream);font-size:13px;letter-spacing:0.2em;cursor:pointer;transition:background .25s,color .25s;
  }
  .remain-text-box button:hover{background:var(--cream);color:var(--wood);}
  .gallery{
    display:grid;grid-template-columns:1fr 1fr;grid-auto-rows:190px;gap:14px;
  }
  .gallery figure{position:relative;overflow:hidden;border:1px solid var(--line);cursor:zoom-in;background:var(--paper-deep);}
  .gallery figure img{width:100%;height:140%;object-fit:cover;transition:transform .6s ease;}
  .gallery figure:hover img{transform:scale(1.06);}
  .gallery figure figcaption{
    position:absolute;left:0;right:0;bottom:0;padding:22px 14px 10px;
    background:linear-gradient(transparent,rgba(38,26,14,0.75));color:#F2E9D8;font-size:12px;letter-spacing:0.15em;
    opacity:0;transition:opacity .35s;
  }
  .gallery figure:hover figcaption{opacity:1;}
  .gallery .wide{grid-column:span 2;}
  .remain-note{
    margin-top:24px;padding:16px 22px;border-left:3px solid var(--accent);
    background:var(--paper-soft);font-size:12.5px;color:var(--ink-soft);line-height:2;
  }
  .remain-note b{color:var(--wood);font-weight:600;}

  .voices-intro{
    display:grid;grid-template-columns:1fr 320px;gap:34px;align-items:center;padding:26px 30px 0;
  }
  .voices-intro .txt p{font-size:13.5px;color:var(--ink-soft);line-height:2.1;}
  .voices-intro .img-cell{overflow:hidden;border:1px solid var(--line);}
  .voices-intro .img-cell img{width:100%;aspect-ratio:4/5;object-fit:cover;}
  .person-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:30px 30px 0;}
  .person-card{
    background:var(--paper-soft);border:1px solid var(--line);padding:24px 20px;
    border-bottom:3px solid transparent;transition:transform .3s,border-color .3s,box-shadow .3s;
  }
  .person-card:hover{transform:translateY(-5px);border-bottom-color:var(--accent);box-shadow:0 14px 28px rgba(92,68,48,0.12);}
  .person-name{display:flex;align-items:center;gap:10px;font-family:var(--serif);font-size:19px;color:var(--wood);letter-spacing:0.15em;}
  .person-name .seal.tiny{width:1.7em;height:1.7em;font-size:11px;}
  .person-role{font-size:12px;color:var(--accent);letter-spacing:0.12em;margin:8px 0 10px;}
  .person-desc{font-size:12.5px;color:var(--ink-soft);line-height:1.9;}
  .quote-banner{
    margin:28px 30px 0;padding:38px 44px;position:relative;overflow:hidden;
    background:var(--wood);color:var(--cream);
  }
  .quote-banner::before{
    content:"“";position:absolute;left:18px;top:-16px;font-family:var(--serif);
    font-size:120px;color:rgba(244,234,214,0.14);line-height:1;
  }
  .quote-banner blockquote{font-family:var(--serif);font-size:16.5px;line-height:2.05;letter-spacing:0.06em;color:#F7EEDC;}
  .quote-banner footer{margin-top:14px;font-size:12.5px;color:#C9B694;letter-spacing:0.12em;font-style:normal;}

  footer{
    margin-top:64px;background:var(--ink);color:#D9C9AC;padding:40px;
    display:grid;grid-template-columns:1fr 1fr;gap:34px;
  }
  footer .brand{font-family:var(--serif);font-size:16px;letter-spacing:0.2em;color:var(--cream);margin-bottom:12px;}
  footer p{font-size:12.5px;line-height:2.1;}
  footer .srcs{font-size:11px;color:#8F7A58;line-height:2;list-style:none;}
  footer .srcs li::before{content:"· ";color:var(--accent);}
  footer .foot-right{text-align:right;display:flex;flex-direction:column;justify-content:space-between;gap:16px;}
  footer .foot-right .copy{font-size:12px;color:#A99574;}

  .lightbox{
    position:fixed;inset:0;z-index:200;background:rgba(24,16,8,0.9);
    display:none;align-items:center;justify-content:center;flex-direction:column;gap:14px;padding:30px;
  }
  .lightbox.open{display:flex;}
  .lightbox img{max-width:min(900px,92vw);max-height:76vh;object-fit:contain;border:1px solid rgba(244,234,214,0.3);}
  .lightbox .lb-cap{color:#E8D9BC;font-size:13px;letter-spacing:0.2em;}
  .lightbox .lb-close{
    position:absolute;top:20px;right:26px;background:none;border:1px solid rgba(244,234,214,0.5);
    color:#F2E9D8;width:40px;height:40px;font-size:20px;cursor:pointer;transition:background .25s;
  }
  .lightbox .lb-close:hover{background:rgba(244,234,214,0.15);}

  .to-top{
    position:fixed;right:26px;bottom:26px;z-index:150;width:46px;height:46px;
    border:1px solid var(--line);background:rgba(247,240,225,0.94);color:var(--sepia);
    cursor:pointer;opacity:0;pointer-events:none;transition:opacity .3s,background .3s,color .3s;
  }
  .to-top.show{opacity:1;pointer-events:auto;}
  .to-top:hover{background:var(--sepia);color:var(--paper-soft);}
  .to-top svg{margin-top:6px;}

  .auth-modal{
    position:fixed;inset:0;z-index:300;background:rgba(24,16,8,0.62);
    backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);
    display:none;align-items:center;justify-content:center;padding:20px;
  }
  .auth-modal.open{display:flex;}
  .auth-dialog{
    position:relative;width:min(420px,94vw);max-height:90vh;overflow:auto;
    background:var(--paper-soft);border:1px solid var(--line);
    box-shadow:0 30px 70px rgba(24,16,8,0.4);padding:38px 36px 26px;
  }
  .auth-close{
    position:absolute;top:14px;right:16px;width:34px;height:34px;border:none;background:none;
    color:var(--sepia);font-size:22px;line-height:1;cursor:pointer;transition:color .25s;
  }
  .auth-close:hover{color:var(--accent);}
  .auth-head{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;margin-bottom:20px;}
  .auth-head h3{font-family:var(--serif);font-size:22px;letter-spacing:0.25em;color:var(--wood);}
  .auth-sub{font-size:12px;color:var(--sepia);letter-spacing:0.12em;}
  .auth-tabs{display:flex;margin-bottom:22px;border-bottom:1px solid var(--line);}
  .auth-tabs .tab{
    flex:1;padding:10px 0;border:none;background:none;font-family:var(--serif);
    font-size:15px;letter-spacing:0.3em;color:var(--sepia);cursor:pointer;
    border-bottom:2px solid transparent;transition:color .25s,border-color .25s;
  }
  .auth-tabs .tab.on{color:var(--accent);border-bottom-color:var(--accent);}
  .auth-form label{
    display:block;font-size:12.5px;color:var(--ink-soft);letter-spacing:0.12em;margin-bottom:16px;
  }
  .auth-form input{
    display:block;width:100%;margin-top:6px;padding:10px 2px;border:none;border-bottom:1px solid var(--line);
    background:transparent;font-family:var(--sans);font-size:14px;color:var(--ink);
    outline:none;transition:border-color .25s;
  }
  .auth-form input:focus{border-bottom-color:var(--accent);}
  .form-msg{font-size:12px;color:var(--accent);min-height:18px;line-height:1.6;margin:-4px 0 10px;}
  .auth-submit{
    width:100%;padding:12px 0;border:none;background:var(--accent);color:#FFF;
    font-family:var(--serif);font-size:15px;letter-spacing:0.4em;cursor:pointer;
    transition:background .25s;
  }
  .auth-submit:hover{background:#94442F;}
  .auth-foot{font-size:11px;color:#A99574;text-align:center;margin-top:16px;letter-spacing:0.05em;}

  .toast{
    position:fixed;left:50%;bottom:34px;transform:translate(-50%,16px);z-index:400;
    background:var(--ink);color:var(--cream);font-size:13px;letter-spacing:0.1em;
    padding:11px 26px;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;
    border-left:3px solid var(--accent);
  }
  .toast.show{opacity:1;transform:translate(-50%,0);}