/* 🔒 视觉主题冻结 v1.0 —— 见 docs/DESIGN_SYSTEM.md（禁止擅自改色/字体/主题方向，须用户批准）
   本文件是 PC 端色彩/字体 Token 的唯一真源；各页通过 <link rel="stylesheet" href="assets/zen-base.css"> 引用。
   注意：public/home.html 为自包含页面，其内联 :root 须与此处保持完全一致。 */
:root{
  --paper:#F7F4ED; --paper-deep:#EDE7DA; --paper-warm:#F2E9DC;
  --ink-1:#26241F; --ink-2:#46423A; --ink-3:#6E685C; --ink-4:#A39C8C; --ink-5:#C8C1B2;
  --dai:#3E5641; --zhe:#B5774A; --seal:#C25B4E; --seal-soft:rgba(194,91,78,.22);
  --gold:#C9A55C;
  /* 兼容别名：部分页面沿用了旧命名，统一映射到冻结色板，避免徽章/分隔线失效 */
  --moss:#3E5641; --ochre:#B5774A; --ink-6:#D6D0C2; --surface:#FBF9F4;
  --serif:"Songti SC","STSong","Source Han Serif SC","Noto Serif SC",serif;
  --kai:"Kaiti SC","STKaiti","Source Han Serif SC",serif;
  --sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink-2);background:var(--paper);
  line-height:1.9;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
.grain{position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.55;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");}
.wash{position:fixed;inset:-25%;pointer-events:none;z-index:0;
  background:
    radial-gradient(38% 38% at 22% 18%, rgba(62,86,65,.10), transparent 70%),
    radial-gradient(42% 42% at 82% 30%, rgba(194,91,78,.05), transparent 72%),
    radial-gradient(46% 46% at 78% 82%, rgba(181,119,74,.08), transparent 72%),
    radial-gradient(50% 50% at 18% 88%, rgba(38,36,31,.06), transparent 74%);
  animation:breathe 30s ease-in-out infinite alternate;}
@keyframes breathe{from{transform:translate3d(-1.5%,-1%,0) scale(1.03)}to{transform:translate3d(1.5%,1%,0) scale(1.07)}}

/* 顶栏 */
nav{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;
  justify-content:space-between;padding:22px clamp(24px,6vw,80px);
  background:linear-gradient(to bottom, rgba(247,244,237,.92), rgba(247,244,237,0));
  backdrop-filter:blur(4px)}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
/* 圆形 Logo：宣纸暖白圆底 + 黛绿描边 + 曼陀罗同心环 + 中心印章红印
 * 保持冻结设计系统配色；hover 时内环缓缓旋转，呼应"缓慢生长"的品牌意象 */
.mark{width:36px;height:36px;border-radius:50%;border:1.5px solid var(--dai, #3E5641);
  background:radial-gradient(circle at 50% 42%, #FBF9F4 0%, #F1EBDD 72%, #E6DECB 100%);
  display:flex;align-items:center;justify-content:center;position:relative;
  box-shadow:inset 0 1px 3px rgba(38,36,31,.08), 0 1px 4px rgba(38,36,31,.10);
  transition:box-shadow .5s, transform .5s}
.mark::before{content:"";position:absolute;width:20px;height:20px;border-radius:50%;
  border:1px solid rgba(62,86,65,.55);top:50%;left:50%;transform:translate(-50%,-50%);
  transition:transform 2.2s ease-in-out}
.mark::after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;
  background:var(--seal,#C25B4E);box-shadow:0 0 0 3px rgba(194,91,78,.13);
  transition:box-shadow .5s}
.mark:hover{transform:translateY(-1px);box-shadow:inset 0 1px 3px rgba(38,36,31,.08), 0 4px 10px rgba(62,86,65,.18)}
.mark:hover::before{transform:translate(-50%,-50%) rotate(120deg)}
.mark:hover::after{box-shadow:0 0 0 5px rgba(194,91,78,.16)}
.brand b{font-family:var(--serif);font-weight:600;font-size:18px;letter-spacing:.18em;color:var(--ink-1);white-space:nowrap}
.nav-links{display:flex;gap:clamp(12px,2.2vw,32px);list-style:none}
.nav-links a{color:var(--ink-3);text-decoration:none;font-size:14.5px;letter-spacing:.16em;
  position:relative;padding:4px 0;transition:color .5s;white-space:nowrap}
.nav-links a::after{content:"";position:absolute;left:50%;bottom:0;width:0;height:1px;
  background:var(--seal);transition:width .5s,left .5s}
.nav-links a:hover,.nav-links a.active{color:var(--ink-1)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;left:0}
/* 移动端汉堡按钮（默认隐藏，≤680 显示） */
.nav-toggle{display:none;align-items:center;justify-content:center;position:relative;z-index:2;
  width:42px;height:42px;margin-left:auto;border:1px solid var(--ink-4);border-radius:0;
  background:transparent;cursor:pointer;color:var(--ink-2);padding:0}
.nav-toggle svg{width:20px;height:20px;display:block}
.nav-backdrop{display:none}
@media(max-width:680px){
  nav{z-index:60}
  .nav-toggle{display:flex;z-index:60}
  .nav-links{position:fixed;top:0;right:0;height:100dvh;width:min(80vw,320px);
    flex-direction:column;justify-content:center;gap:0;padding:84px 26px;
    background:var(--paper);border-left:1px solid var(--ink-5);
    transform:translateX(102%);transition:transform .35s ease;z-index:55;
    box-shadow:-14px 0 44px rgba(38,36,31,.14)}
  body.nav-open .nav-links{transform:none}
  .nav-links li{width:100%}
  .nav-links a{display:block;width:100%;padding:16px 4px;font-size:16px;
    border-bottom:1px solid var(--ink-5);letter-spacing:.18em}
  .nav-links a::after{display:none}
  body.nav-open .nav-backdrop{display:block;position:fixed;inset:0;background:rgba(38,36,31,.4);z-index:50}
}

/* ===== 通用区块 ===== */
.wrap{position:relative;z-index:2;max-width:1040px;margin:0 auto;
  padding:clamp(96px,15vh,160px) clamp(24px,6vw,48px) clamp(60px,9vh,110px)}
section.tint::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:100vw;
  transform:translateX(-50%);z-index:-1}
#works.tint::before{background:linear-gradient(180deg,transparent,rgba(62,86,65,.055) 22%,rgba(62,86,65,.055) 78%,transparent)}
#daily.tint::before{background:linear-gradient(180deg,transparent,rgba(181,119,74,.06) 25%,rgba(181,119,74,.06) 75%,transparent)}
.sec-label{display:flex;align-items:center;gap:14px;margin-bottom:14px;font-size:0}
.stamp{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;
  background:var(--seal);color:var(--paper);font-family:var(--serif);font-size:14px;
  border-radius:0;letter-spacing:0;box-shadow:0 1px 0 rgba(194,91,78,.35),inset 0 0 0 1px rgba(255,255,255,.12)}
.sec-label .txt{font-family:var(--kai);font-size:13px;letter-spacing:.4em;color:var(--ink-4)}
.sec-title{font-family:var(--serif);font-size:clamp(24px,3.4vw,34px);font-weight:600;
  letter-spacing:.12em;color:var(--ink-1);margin-bottom:10px}
.sec-sub{color:var(--ink-4);font-size:14.5px;letter-spacing:.06em;max-width:34em;margin-bottom:40px}

/* 颂钵播放器 */
.bowl{position:fixed;right:clamp(20px,4vw,40px);bottom:clamp(20px,4vw,40px);z-index:30;
  width:52px;height:52px;border-radius:0;border:1px solid var(--ink-4);
  background:rgba(247,244,237,.7);backdrop-filter:blur(6px);display:flex;align-items:center;
  justify-content:center;cursor:pointer;color:var(--ink-3);transition:border-color .5s,color .5s;user-select:none}
.bowl:hover{border-color:var(--dai);color:var(--dai)}
.bowl svg{width:20px;height:20px}
.bowl.playing{color:var(--seal);border-color:var(--seal)}
.bowl .ring{position:absolute;inset:-6px;border-radius:0;border:1px solid var(--seal);opacity:0}
.bowl.playing .ring{animation:pulse 4s ease-out infinite}
@keyframes pulse{0%{opacity:.5;transform:scale(.9)}100%{opacity:0;transform:scale(1.4)}}

/* 页脚 */
footer{position:relative;z-index:2;text-align:center;padding:70px 24px 56px;
  border-top:1px solid var(--ink-5);margin-top:40px;
  background:linear-gradient(180deg,transparent,rgba(181,119,74,.05))}
footer .f-brand{font-family:var(--serif);font-size:16px;letter-spacing:.22em;color:var(--ink-2)}
footer .f-links{margin:20px 0 16px;display:flex;gap:26px;justify-content:center;flex-wrap:wrap}
footer .f-links a{color:var(--ink-4);text-decoration:none;font-size:13px;letter-spacing:.12em;transition:color .4s}
footer .f-links a:hover{color:var(--seal)}
footer .f-copy{font-size:12px;color:var(--ink-5);letter-spacing:.08em}

/* 滚动浮现 */
.reveal{opacity:0;transform:translateY(24px);transition:opacity 1.4s ease,transform 1.4s ease}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}.wash{animation:none}}

/* ===== 统一状态组件（ZZT.states：骨架屏 / 空态 / 错误重试） ===== */
.zz-skel{position:relative;overflow:hidden;background:var(--paper-deep);border-radius:0}
.zz-skel::after{content:"";position:absolute;inset:0;transform:translateX(-100%);
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);
  animation:zz-shimmer 1.4s infinite}
@keyframes zz-shimmer{100%{transform:translateX(100%)}}
.zz-skel-card{border:1px solid var(--ink-5);min-height:248px}
.zz-skel-card .zz-skel-img{height:178px;margin:0}
.zz-skel-card .zz-skel-line{height:12px;margin:14px 16px 0;border-radius:0}
.zz-skel-card .zz-skel-line.short{width:55%}
.zz-empty,.zz-error{text-align:center;padding:60px 20px;color:var(--ink-3)}
.zz-empty .zz-ico,.zz-error .zz-ico{width:54px;height:54px;margin:0 auto 18px;
  border:1.5px solid var(--ink-4);border-radius:0;display:flex;align-items:center;
  justify-content:center;font-family:var(--serif);font-size:22px;color:var(--ink-4)}
.zz-empty p,.zz-error p{font-size:14px;letter-spacing:.1em;margin-bottom:18px}
.zz-retry{display:inline-block;padding:10px 26px;border:1px solid var(--ink-3);background:transparent;
  color:var(--ink-2);font-family:var(--sans);font-size:13px;letter-spacing:.14em;border-radius:0;
  cursor:pointer;transition:border-color .4s,color .4s}
.zz-retry:hover{border-color:var(--seal);color:var(--seal)}

/* ===== 移动端通用优化 ===== */
img{max-width:100%;height:auto}
@media(max-width:680px){
  .wrap{padding-top:clamp(84px,12vh,120px)}
  .sec-title{font-size:clamp(22px,6vw,30px)}
  .sec-sub{margin-bottom:28px}
}
@media(prefers-reduced-motion:reduce){.zz-skel::after{animation:none}}