/* =====================================================================
   master74plusv2 · 三界山河图 · 范宽·巨然派 v0.3
   ----------------------------------------------------------------------
   心法：主图只画山，笔墨回归古画
   主图：4 山竖列，每山 viewBox 340×400 占满屏宽
   单山详图弹层：保留瀑布/塔/碑/妖灵祠/山道碑/11 妖生故事（说明牌）
   ===================================================================== */

/* ============== 容器（展开态） ============== */
#shanheMap{
  position:relative;
  margin: 14px -2px 14px;
  padding: 14px 12px 12px;
  background:
    linear-gradient(180deg, rgba(176,113,58,.04), rgba(127,163,160,.06) 60%, transparent),
    var(--bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  overflow:hidden;
  transition: all .42s cubic-bezier(.2,.7,.2,1);
}

/* ============== 顶部条 ============== */
.shanhe-head{
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom: 4px;
}
.shanhe-head .ti{
  font-size: 16px; font-weight:700; letter-spacing:6px; color:var(--ink);
}
.shanhe-head .ti .seal{
  display:inline-block; padding: 1px 8px;
  border:1px solid var(--zhe); border-radius:2px;
  color:var(--zhe); font-size:10px; letter-spacing:3px;
  margin-right:8px; vertical-align: middle;
}
.shanhe-toggle{
  font-size:11px; padding:4px 10px;
  background: var(--card);
  border:1px solid var(--line); border-radius:14px;
  color: var(--qing-d);
  letter-spacing:2px;
  cursor:pointer;
  -webkit-tap-highlight-color:transparent;
}
.shanhe-toggle:hover{ border-color: var(--qing); }

.shanhe-note{
  font-size: 10px; letter-spacing: 4px; color: var(--qing-d);
  text-align: center; margin-bottom: 8px;
  opacity: 0.7;
}

/* ============== 4 山 2×2 并排（master76 视觉 · 老师2026-09-25 定） ==============
   卡高对齐封面考神卡（约 160px），实画图卡替代 SVG 手绘山 */
.shanhe-list{
  display: grid;
  grid-template-columns: minmax(0,1fr) minmax(0,1fr);
  gap: 8px;
}
.shanhe-card{
  position: relative;
  width: 100%;
  height: 160px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
}
.shanhe-card:hover{
  transform: scale(1.01);
  box-shadow: 0 6px 18px rgba(47,58,69,.08);
}
.shanhe-card .shan-img{
  width: 100%; height: 100%;
  object-fit: cover; display: block;
}
/* 山名压脚：雾脚白渐变 + 名与副题 */
.shanhe-card .shan-img-name{
  position: absolute; left: 0; right: 0; bottom: 0;
  padding: 16px 8px 5px;
  background: linear-gradient(180deg, transparent, rgba(253,252,247,.88) 62%);
  font-family: "Noto Serif SC",serif;
  font-size: 13px; font-weight: 700; letter-spacing: 2px;
  color: var(--ink);
  line-height: 1.35;
}
.shanhe-card .shan-img-name span{
  display: block;
  font-size: 8.5px; font-weight: 400; letter-spacing: 1px;
  color: var(--qing-d);
}
.shanot-badge{
  position: absolute;
  right: 10px; top: 10px;
  font-size: 11px;
  letter-spacing: 1.5px;
  padding: 2px 9px;
  background: rgba(253,252,247,.92);
  border: 1px solid rgba(0,0,0,.1);
  border-radius: 11px;
  font-weight: 700;
  font-family: "Noto Serif SC",serif;
  color: var(--ink);
}

/* ============== 底部数据条 ============== */
.shanhe-foot{
  margin-top: 10px;
  padding: 8px 12px;
  background: var(--card);
  border:1px solid var(--line);
  border-radius: 8px;
  font-size: 12px;
  letter-spacing: 1.5px;
  color: var(--ink);
  text-align: center;
}
.shanhe-foot b{ color: var(--zhe); font-weight:700; }

/* ============== 折叠态 ============== */
#shanheMap.folded{
  position: fixed;
  top: 56px;
  right: 8px;
  width: 130px;
  height: 96px;
  margin: 0;
  padding: 8px;
  border-radius: 10px;
  z-index: 80;
  cursor: pointer;
  background:
    linear-gradient(135deg, rgba(127,163,160,.12), rgba(176,113,58,.08));
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
#shanheMap.folded .shanhe-head,
#shanheMap.folded .shanhe-list,
#shanheMap.folded .shanhe-foot,
#shanheMap.folded .shanhe-note{ display:none; }
#shanheMap.folded .shanhe-folded-mini{
  display: flex; flex-direction: column; align-items: center;
  font-size: 11px; color: var(--ink); letter-spacing: 2px;
}
#shanheMap.folded .shanhe-folded-mini .icon{
  font-size: 30px; line-height: 1;
  margin-bottom: 4px;
}

/* ============== 单山详图（弹层） ============== */
.shanhe-detail{
  position: fixed; inset: 0; z-index: 200;
  background: rgba(246,243,236,.96);
  backdrop-filter: blur(4px);
  display: none;
  flex-direction: column;
  animation: fadein .35s ease;
  overflow-y: auto;
  padding: 0 0 90px;
}
.shanhe-detail.on{ display:flex; }
@keyframes fadein{ from{opacity:0} to{opacity:1} }

.shanhe-detail-head{
  position: sticky; top:0; z-index:10;
  display:flex; align-items:center; justify-content:space-between;
  padding: 12px 16px 10px;
  background: rgba(246,243,236,.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.shanhe-back{
  font-size: 12px; padding: 6px 14px;
  background: var(--card);
  border: 1px solid var(--line); border-radius: 14px;
  color: var(--ink); letter-spacing: 2px;
  cursor:pointer;
}

/* 巨幅单山（master76：实画图） */
.shanhe-detail-hero{
  margin: 14px 16px 0;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.shanhe-detail-hero .shan-detail-img{
  width: 100%; height: 240px; object-fit: cover; display:block;
}

/* 山训石碑 */
.shanhe-stele{
  margin: 14px 16px 0;
  padding: 18px 22px;
  background:
    linear-gradient(180deg, rgba(127,163,160,.08), transparent);
  border-left: 3px solid var(--qing-d);
  border-radius: 0 8px 8px 0;
}
.shanhe-stele .stele-yaml{
  font-size: 18px; color: var(--ink); letter-spacing: 4px;
  font-weight: 500;
  font-family: "Noto Serif SC","Songti SC",serif;
  line-height: 1.7;
}
.shanhe-stele .stele-from{
  font-size: 11px; color: var(--xiang); margin-top: 8px;
  letter-spacing: 2px;
}

/* 进度 */
.shanhe-progress{
  margin: 14px 16px 0;
  background: var(--card); border:1px solid var(--line); border-radius:8px;
  padding: 12px 14px;
}
.shanhe-progress .prog-yaml{
  font-size: 13px; color: var(--ink); letter-spacing: 3px;
  font-family: "Noto Serif SC",serif;
}
.shanhe-progress .prog-bar{
  margin-top:8px; height:6px; border-radius:3px;
  background: var(--qing-bg);
  overflow:hidden; position:relative;
}
.shanhe-progress .prog-fill{
  display:block; height:100%; border-radius:3px;
  background: linear-gradient(90deg, var(--qing), var(--zhe));
  transition: width .8s ease;
}
.shanhe-progress .prog-info{
  margin-top: 6px;
  font-size: 11px; color: var(--qing-d); letter-spacing: 1.5px;
}

/* 题源笺：讲清此山的题从哪来（master76 · 老师定） */
.shanhe-srcnote{
  margin: 10px 16px 0;
  padding: 10px 12px;
  display: flex; gap: 9px; align-items: flex-start;
  background: var(--card);
  border: 1px dashed var(--qing);
  border-radius: 9px;
}
.shanhe-srcnote .src-ico{ font-size: 16px; line-height: 1.4; }
.shanhe-srcnote .src-txt{
  font-size: 12px; line-height: 1.75; color: var(--ink); letter-spacing: .5px;
}
.shanhe-srcnote .src-txt b{ color: var(--zhe); letter-spacing: 2px; }

/* 山道碑 */
.shanhe-shrine{
  margin: 14px 16px 0;
  background: var(--card); border:1px solid var(--line); border-radius:10px;
  padding: 14px 16px;
}
.shanhe-shrine .shrine-title{
  font-size: 12px; color: var(--qing-d); letter-spacing: 4px; margin-bottom: 10px;
}
.cliff-list{
  display: flex; flex-direction: column; gap: 4px;
}
.cliff{
  display:flex; align-items:flex-start; gap:10px;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 12px;
  letter-spacing: 1.5px;
}
.cliff.on{ background: rgba(127,163,160,.08); }
.cliff.off{ opacity: 0.42; }
.cliff .cliff-qty{
  flex-shrink:0;
  width: 36px;
  color: var(--zhe); font-weight:700;
  font-family:"Cascadia Code",monospace; font-size:11px;
}
.cliff.on .cliff-qty{ color: var(--qing); }
.cliff .cliff-quote{
  flex:1; color: var(--ink);
  font-family: "Noto Serif SC",serif;
  line-height: 1.6;
}
.cliff .cliff-from{
  display:block; font-size: 10px; color: var(--xiang);
  margin-top: 2px; letter-spacing: 1px;
}

/* 妖灵祠 */
.shanhe-yokai{
  margin: 14px 16px 0;
  background: var(--card); border:1px solid var(--line); border-radius:10px;
  padding: 14px 16px;
}
.shanhe-yokai .yokai-title{
  font-size: 12px; color: var(--qing-d); letter-spacing: 4px;
  margin-bottom: 10px;
}
.yokai-card{
  display: flex; gap: 12px;
  padding: 10px 12px;
  background: rgba(201,169,97,.06);
  border:1px solid rgba(201,169,97,.18);
  border-radius: 8px;
  margin-bottom: 8px;
}
.yokai-card:last-child{ margin-bottom: 0; }
.yokai-card .yokai-dot{
  flex-shrink: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-top: 7px;
  box-shadow: 0 0 6px currentColor;
}
.yokai-card .yokai-info{ flex: 1; min-width: 0; }
.yokai-card .yokai-name{
  font-size: 13px; color: var(--ink); font-weight:700;
  letter-spacing: 2px; margin-bottom: 2px;
  font-family: "Noto Serif SC",serif;
}
.yokai-card .yokai-kind{
  font-size: 10px; color: var(--qing-d); letter-spacing: 1px;
}
.yokai-card .yokai-story{
  font-size: 11px; color: var(--ink); letter-spacing: 1px;
  line-height: 1.7;
  font-family: "Noto Serif SC",serif;
  margin-top: 4px;
}

/* 题记 */
.shanhe-tiji{
  margin: 28px 16px 0;
  text-align: center;
  font-size: 11px; letter-spacing: 6px; color: var(--xiang);
  font-family: "Noto Serif SC",serif;
}

/* ============== 引导浮卡 ============== */
.shanhe-guide{
  position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%);
  z-index: 110;
  padding: 12px 18px;
  background: var(--card);
  border:1px solid var(--qing);
  border-radius: 22px;
  font-size: 13px; letter-spacing: 2px; color: var(--ink);
  box-shadow: 0 6px 20px rgba(47,58,69,.10);
  animation: guideFade 5s ease forwards;
  text-align: center;
}
.shanhe-guide.fade{ animation: guideFadeOut .8s ease forwards; }
.shanhe-guide::after{
  content:""; position:absolute; left:50%; top:100%;
  transform: translateX(-50%);
  border: 6px solid transparent; border-top-color: var(--qing);
}
@keyframes guideFade{
  0%{ opacity:0; transform: translate(-50%, 8px); }
  10%,70%{ opacity:1; transform: translate(-50%, 0); }
  100%{ opacity:0; transform: translate(-50%, -8px); }
}
@keyframes guideFadeOut{
  0%{ opacity:1; }
  100%{ opacity:0; }
}

/* ============== 答题时让位 ============== */
.screen:not(#scr-home).on #shanheMap,
.screen:not(#scr-home).on .shanhe-detail{ display:none; }