/* ============================================================
   山海经·全景  Shan Hai Jing Atlas
   全局样式 / 设计系统 —— 国风水墨·古卷
   ============================================================ */
:root{
  --ink:#201c18;            /* 墨色主文字 */
  --ink-soft:#4a443c;
  --paper:#f6efe0;          /* 宣纸米白 */
  --paper-2:#efe6cf;
  --paper-3:#e7dbbf;
  --cinnabar:#b43a2a;       /* 朱砂红 */
  --cinnabar-d:#8f2c20;
  --gold:#c7a35a;           /* 鎏金 */
  --gold-l:#e3c98a;
  --jade:#3f6f5c;           /* 青碧 */
  --deep:#1e2a23;           /* 深青绿黑 */
  --cloud:#ece7da;
  --shadow:0 8px 30px rgba(60,50,30,.14);
  --shadow-sm:0 3px 12px rgba(60,50,30,.10);
  --radius:14px;
  --serif:"Noto Serif SC","Source Han Serif SC","STSong","SimSun",Georgia,serif;
  --kai:"STKaiti","KaiTi","Kai","Noto Serif SC",serif;
  --sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,sans-serif;
  --header-h:64px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button,input,select{font-family:inherit}

/* ---------- 排版 ---------- */
h1,h2,h3,h4{font-family:var(--serif);line-height:1.35;font-weight:700}
.section{padding:72px 24px}
.container{max-width:1180px;margin:0 auto}
.section-title{
  text-align:center;margin-bottom:14px;
  font-size:clamp(28px,4.4vw,42px);letter-spacing:.06em;
  color:var(--ink);
  position:relative;
}
.section-sub{text-align:center;color:var(--ink-soft);max-width:720px;margin:0 auto 44px;font-size:16px}
.title-orn{
  width:64px;height:4px;margin:0 auto 18px;border-radius:2px;
  background:linear-gradient(90deg,transparent,var(--cinnabar),var(--gold),var(--cinnabar),transparent);
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  height:var(--header-h);
  background:rgba(246,239,224,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(32,28,24,.08);
}
.nav-wrap{max-width:1180px;margin:0 auto;height:100%;display:flex;align-items:center;padding:0 20px;gap:20px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--kai);font-size:22px;font-weight:700;letter-spacing:.08em;color:var(--cinnabar)}
.brand .seal{
  width:38px;height:38px;border-radius:8px;flex:none;
  background:linear-gradient(135deg,var(--cinnabar),var(--cinnabar-d));
  color:var(--paper);display:grid;place-items:center;font-size:13px;
  box-shadow:var(--shadow-sm);border:2px solid rgba(255,255,255,.18);
}
.nav-links{display:flex;gap:6px;margin-left:auto;align-items:center}
.nav-links a{
  padding:8px 16px;border-radius:10px;font-size:15px;color:var(--ink-soft);
  transition:.2s;white-space:nowrap;position:relative;
}
.nav-links a:hover{color:var(--cinnabar);background:rgba(180,58,42,.07)}
.nav-links a.active{color:var(--cinnabar);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:3px;height:2px;
  background:var(--cinnabar);border-radius:2px;
}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid rgba(32,28,24,.15);border-radius:10px;background:var(--paper);cursor:pointer;margin-left:auto}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);margin:5px auto;border-radius:2px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(246,239,224,.82);margin-top:0;padding:44px 24px 30px}
.footer-in{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px}
.footer h4{color:var(--gold-l);margin-bottom:12px;font-size:17px;letter-spacing:.06em}
.footer a{color:rgba(246,239,224,.72);display:block;margin:6px 0;font-size:14px;transition:.2s}
.footer a:hover{color:var(--gold-l)}
.footer-copy{max-width:1180px;margin:20px auto 0;padding-top:18px;border-top:1px solid rgba(246,239,224,.14);font-size:13px;color:rgba(246,239,224,.55);text-align:center}

/* ---------- 通用组件 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;border-radius:999px;font-size:15px;font-weight:600;
  transition:.22s;cursor:pointer;border:1px solid transparent;
}
.btn-primary{background:linear-gradient(135deg,var(--cinnabar),var(--cinnabar-d));color:var(--paper);box-shadow:var(--shadow-sm)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{border-color:rgba(32,28,24,.3);color:var(--ink);background:transparent}
.btn-ghost:hover{border-color:var(--cinnabar);color:var(--cinnabar)}
.btn-gold{background:linear-gradient(135deg,var(--gold),#a9843c);color:#2a241c}
.card{
  background:#fffdf6;border:1px solid rgba(32,28,24,.08);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);overflow:hidden;transition:.25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.badge{
  display:inline-block;padding:3px 12px;border-radius:999px;font-size:12.5px;
  font-family:var(--sans);letter-spacing:.04em;
}
.badge-cinnabar{background:rgba(180,58,42,.12);color:var(--cinnabar)}
.badge-jade{background:rgba(63,111,92,.14);color:var(--jade)}
.badge-gold{background:rgba(199,163,90,.2);color:#8a6a2c}
.badge-amber{background:rgba(199,138,58,.18);color:#8a5a1e}
.badge-purple{background:rgba(154,107,201,.18);color:#6b3f9a}
.badge-blue{background:rgba(79,143,176,.18);color:#2f6f92}


/* ---------- 异兽卡片 ---------- */
.beast-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px}
.beast-card{cursor:pointer}
.beast-card .thumb{aspect-ratio:1/1;overflow:hidden;background:var(--paper-2);position:relative}
.beast-card .thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.beast-card:hover .thumb img{transform:scale(1.06)}
.beast-card .info{padding:12px 14px}
.beast-card .info h3{font-size:17px;letter-spacing:.05em}
.beast-card .meta{font-size:12.5px;color:var(--ink-soft);margin-top:4px}
.beast-card .type{font-size:12px;color:var(--cinnabar);margin-top:6px}

/* ---------- 筛选栏 ---------- */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:26px 0;padding:16px 18px;background:var(--paper-2);border-radius:var(--radius)}
.filter-bar .fg{font-weight:600;margin-right:4px;color:var(--ink-soft)}
.chip{padding:7px 16px;border-radius:999px;font-size:14px;border:1px solid rgba(32,28,24,.18);background:transparent;cursor:pointer;transition:.2s}
.chip:hover{border-color:var(--cinnabar);color:var(--cinnabar)}
.chip.active{background:var(--cinnabar);color:var(--paper);border-color:var(--cinnabar)}
.search-input{
  flex:1;min-width:200px;padding:11px 16px 11px 42px;border-radius:999px;border:1px solid rgba(32,28,24,.18);
  background:#fffdf6 url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23877d6b' stroke-width='2'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M21 21l-4.3-4.3'/%3E%3C/svg%3E") 14px center no-repeat;
}
.search-input:focus{outline:none;border-color:var(--cinnabar)}

/* ---------- 弹窗 ---------- */
.modal-mask{position:fixed;inset:0;background:rgba(24,20,16,.6);z-index:200;display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(4px)}
.modal-mask.open{display:flex;animation:fadeIn .25s}
.modal{background:var(--paper);border-radius:20px;max-width:820px;width:100%;max-height:88vh;overflow:auto;box-shadow:var(--shadow);position:relative}
.modal-close{position:sticky;top:12px;float:right;margin:12px 14px 0 0;width:36px;height:36px;border-radius:50%;border:none;background:rgba(32,28,24,.08);cursor:pointer;font-size:18px;color:var(--ink);z-index:2}
.modal-body{padding:6px 34px 38px}
.modal-hero{display:flex;gap:28px;flex-wrap:wrap;align-items:center}
.modal-hero img{width:240px;height:240px;object-fit:cover;border-radius:14px;box-shadow:var(--shadow);flex:none}
.modal-facts{flex:1;min-width:240px}
.modal-facts h2{font-size:30px;letter-spacing:.04em;margin-bottom:4px}
.modal-facts .alias{color:var(--ink-soft);font-family:var(--kai);font-size:16px}
.attr-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.attr{padding:10px 12px;background:#fffdf6;border:1px solid rgba(32,28,24,.07);border-radius:10px}
.attr b{display:block;font-size:12px;color:var(--ink-soft);letter-spacing:.05em}
.attr span{font-size:14px}
.modal-text{margin-top:24px}
.modal-text h4{color:var(--cinnabar);font-size:15px;margin:18px 0 6px;display:flex;align-items:center;gap:8px}
.modal-text h4::before{content:"";width:14px;height:2px;background:var(--cinnabar)}
.modal-quote{margin-top:22px;padding:16px 20px;background:var(--paper-2);border-left:4px solid var(--gold);border-radius:8px;font-family:var(--kai);font-style:italic;color:var(--ink-soft)}

/* ---------- 章节/学习 ---------- */
.chap-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:20px}
.chap-card{padding:24px;position:relative;overflow:hidden}
.chap-card::before{content:"";position:absolute;right:-30px;top:-30px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(180,58,42,.12),transparent 70%)}
.chap-card .num{font-family:var(--kai);font-size:40px;color:var(--gold);line-height:1}
.chap-card .cname{font-size:20px;margin:10px 0 6px;letter-spacing:.05em}
.chap-card .ccat{font-size:12.5px}
.chap-card p{font-size:14px;color:var(--ink-soft);margin-top:10px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- 表格 ---------- */
.table-wrap{overflow-x:auto;background:#fffdf6;border-radius:var(--radius);box-shadow:var(--shadow-sm);border:1px solid rgba(32,28,24,.07)}
table{width:100%;border-collapse:collapse;font-size:14.5px}
th,td{padding:12px 16px;text-align:left;border-bottom:1px solid rgba(32,28,24,.07);white-space:nowrap}
th{background:var(--paper-2);font-family:var(--serif);font-size:14px;color:var(--ink);position:sticky;top:0}
tr:hover td{background:rgba(199,163,90,.06)}

/* ---------- 统计 ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px}
.stat{background:var(--deep);color:var(--paper);border-radius:var(--radius);padding:24px 14px;text-align:center}
.stat .n{font-family:var(--kai);font-size:40px;color:var(--gold-l);line-height:1}
.stat .l{font-size:13px;margin-top:6px;color:rgba(246,239,224,.75);letter-spacing:.1em}

/* ---------- 文章/阅读 ---------- */
.prose{max-width:820px;margin:0 auto}
.prose p{margin:14px 0;font-size:16.5px;color:var(--ink-soft);text-align:justify}
.prose .lead{font-size:19px;color:var(--ink);font-family:var(--serif);line-height:2}
.prose h3{font-size:22px;margin:34px 0 10px;color:var(--ink);letter-spacing:.04em}
.prose h3::before{content:"§ ";color:var(--cinnabar)}
.prose blockquote{border-left:4px solid var(--gold);padding:14px 20px;background:var(--paper-2);border-radius:8px;font-family:var(--kai);font-style:italic;color:var(--ink-soft);margin:20px 0}
.original{
  max-width:860px;margin:0 auto;background:#fffdf6;border:1px solid rgba(32,28,24,.08);
  border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:30px 34px;
  font-family:var(--serif);font-size:17px;line-height:2.15;text-align:justify;
  color:var(--ink);column-count:2;column-gap:40px;
}
.original p{margin:0 0 12px;text-indent:2em;break-inside:avoid}

/* ---------- 地图页 ---------- */
.map-shell{position:relative;height:calc(100vh - var(--header-h));min-height:560px;background:radial-gradient(ellipse at center,#182a24,#0d1613)}
#map-canvas{position:absolute;inset:0}
.map-ui{position:absolute;z-index:10;pointer-events:none}
.map-ui *{pointer-events:auto}
.map-panel{position:absolute;z-index:10;background:rgba(246,239,224,.95);backdrop-filter:blur(6px);border-radius:14px;box-shadow:var(--shadow);overflow:hidden;pointer-events:auto}
.map-info{left:20px;bottom:20px;width:320px;max-height:60vh;display:none;flex-direction:column}
.map-info.open{display:flex;animation:fadeUp .25s}
#map-info-body{overflow-y:auto;flex:1 1 auto;min-height:0;-webkit-overflow-scrolling:touch;scrollbar-width:thin}
.map-tools{right:20px;top:20px;width:260px;max-height:calc(100vh - 160px);overflow:auto}
.map-legend{bottom:20px;right:20px;padding:14px 18px;font-size:13px}
.map-legend .row{display:flex;align-items:center;gap:8px;margin:4px 0}
.map-legend .dot{width:12px;height:12px;border-radius:50%;flex:none}
.maptitle{position:absolute;left:20px;top:18px;z-index:10;pointer-events:none;color:var(--paper)}
.maptitle h2{font-family:var(--kai);font-size:26px;letter-spacing:.1em;text-shadow:0 2px 8px rgba(0,0,0,.5)}
.maptitle p{font-size:13px;color:rgba(246,239,224,.8)}
.map-tools .group{margin:14px 0}
.map-tools .group b{display:block;margin-bottom:8px;font-size:14px;color:var(--ink-soft);letter-spacing:.05em}
.map-tools .chip{width:100%;text-align:left;margin:4px 0}
.map-search{width:calc(100% - 16px);margin:8px;padding:10px 12px;border-radius:8px;border:1px solid rgba(32,28,24,.18);background:#fffdf6}
.map-search:focus{outline:none;border-color:var(--cinnabar)}

/* ---------- 首页 Hero ---------- */
.hero{position:relative;min-height:82vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden;color:var(--paper)}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center;filter:brightness(.55) saturate(.9);transform:scale(1.02)}
.hero .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,17,12,.3),rgba(13,17,12,.7))}
.hero-in{position:relative;z-index:2;padding:0 24px;max-width:860px}
.hero h1{font-family:var(--kai);font-size:clamp(40px,8vw,82px);letter-spacing:.12em;text-shadow:0 4px 24px rgba(0,0,0,.5);line-height:1.2}
.hero .en{font-size:15px;letter-spacing:.5em;color:var(--gold-l);margin-top:6px}
.hero .lead{font-size:18px;color:rgba(246,239,224,.9);margin:26px auto;max-width:640px;line-height:2}
.hero .actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- 模块入口 ---------- */
.mod-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px}
.mod-card{position:relative;border-radius:var(--radius);overflow:hidden;padding:34px 26px;color:var(--paper);min-height:210px;display:flex;flex-direction:column;justify-content:flex-end;box-shadow:var(--shadow-sm);transition:.28s}
.mod-card:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.mod-card .bgimg{position:absolute;inset:0;background-size:cover;background-position:center;transition:.4s}
.mod-card:hover .bgimg{transform:scale(1.06)}
.mod-card .shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(13,17,12,.05),rgba(13,17,12,.78))}
.mod-card .mc{position:relative;z-index:2}
.mod-card .icon{font-size:30px;margin-bottom:10px}
.mod-card h3{font-size:22px;letter-spacing:.06em}
.mod-card p{font-size:13.5px;color:rgba(246,239,224,.85);margin-top:8px}

/* ---------- 响应式 ---------- */
@media(max-width:900px){
  .nav-links{
    position:fixed;top:var(--header-h);left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(246,239,224,.98);box-shadow:var(--shadow);padding:10px;gap:2px;display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 18px;border-radius:10px}
  .nav-links a.active::after{display:none}
  .nav-toggle{display:block}
  .section{padding:52px 18px}
  .original{column-count:1;padding:22px}
  .modal-body{padding:4px 20px 30px}
  .modal-hero img{width:100%;height:auto;max-height:260px}
}
@media(max-width:520px){
  .attr-grid{grid-template-columns:1fr}
  .brand{font-size:18px}
  .beast-grid{grid-template-columns:repeat(2,1fr);gap:12px}
}

/* ---------- 动画 ---------- */
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
.stagger>*{opacity:0;transform:translateY(24px);transition:.55s ease}
.stagger.in>*{opacity:1;transform:none}
.stagger.in>*:nth-child(1){transition-delay:.05s}
.stagger.in>*:nth-child(2){transition-delay:.12s}
.stagger.in>*:nth-child(3){transition-delay:.19s}
.stagger.in>*:nth-child(4){transition-delay:.26s}
.stagger.in>*:nth-child(5){transition-delay:.33s}

/* 滚动条 */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:rgba(32,28,24,.25);border-radius:5px}
::-webkit-scrollbar-track{background:transparent}