/* ================= 初唐诗人关系图谱 · 样式 ================= */
:root{
  --paper:#f7f3ea;
  --paper-deep:#efe7d8;
  --ink:#2b2621;
  --ink-2:#5a5147;
  --ink-3:#8d8377;
  --gold:#b3873c;
  --gold-soft:#d8b46a;
  --cinnabar:#b0453a;
  --line:#d9cdb8;
  --glass:rgba(255,253,247,.62);
  --glass-strong:rgba(255,253,247,.82);
  --glass-brd:rgba(255,255,255,.75);
  --shadow:0 10px 30px rgba(94,74,44,.14);
  --shadow-lg:0 24px 60px rgba(94,74,44,.22);
  --serif:"Songti SC","STSong","SimSun","Noto Serif SC",Georgia,serif;
  --kai:"KaiTi","STKaiti","Kaiti SC",var(--serif);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{height:100%;margin:0}
body{
  font-family:var(--serif);
  color:var(--ink);
  background:var(--paper);
  overflow:hidden;
}

/* ---------- 背景层 ---------- */
.bg-layer{position:fixed;inset:0;z-index:0;overflow:hidden;
  background:
    radial-gradient(1200px 700px at 12% 8%,#fffdf7 0%,rgba(255,253,247,0) 60%),
    radial-gradient(1000px 800px at 88% 90%,#f2ead9 0%,rgba(242,234,217,0) 62%),
    linear-gradient(160deg,#faf7f0 0%,#f3ecdd 46%,#ece3d0 100%);
}
.bg-glow{position:absolute;border-radius:50%;filter:blur(70px);opacity:.5;animation:drift 22s ease-in-out infinite}
.g1{width:620px;height:620px;left:-120px;top:-140px;background:radial-gradient(circle,#e8c98a,transparent 68%)}
.g2{width:700px;height:700px;right:-180px;bottom:-220px;background:radial-gradient(circle,#a9d2c0,transparent 68%);animation-delay:-7s}
.g3{width:520px;height:520px;left:44%;top:52%;background:radial-gradient(circle,#e6b8ac,transparent 70%);animation-delay:-13s;opacity:.34}
@keyframes drift{
  0%,100%{transform:translate3d(0,0,0) scale(1)}
  33%{transform:translate3d(40px,-30px,0) scale(1.08)}
  66%{transform:translate3d(-30px,26px,0) scale(.95)}
}
/* 宣纸纤维颗粒 */
.bg-grain{position:absolute;inset:0;opacity:.28;mix-blend-mode:multiply;
  background-image:
    repeating-linear-gradient(0deg,rgba(160,140,105,.05) 0 1px,transparent 1px 6px),
    repeating-linear-gradient(90deg,rgba(160,140,105,.045) 0 1px,transparent 1px 7px);
}

/* ---------- 毛玻璃基类 ---------- */
.glass{
  background:var(--glass);
  -webkit-backdrop-filter:blur(22px) saturate(1.5);
  backdrop-filter:blur(22px) saturate(1.5);
  border:1px solid var(--glass-brd);
  box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.9);
}

/* ---------- 顶栏 ---------- */
.topbar{
  position:fixed;top:16px;left:16px;right:16px;z-index:30;
  display:flex;flex-direction:column;gap:9px;
  padding:12px 20px 11px;border-radius:20px;
  animation:slideDown .8s cubic-bezier(.2,.9,.25,1.05) both;
}
.topbar .row1{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
@keyframes slideDown{from{opacity:0;transform:translateY(-24px)}to{opacity:1;transform:none}}
.brand{display:flex;align-items:center;gap:13px;flex:0 0 auto}
.seal{
  width:44px;height:44px;border-radius:11px;flex:0 0 auto;
  display:grid;place-items:center;
  font-family:var(--kai);font-size:23px;color:#fff;
  background:linear-gradient(150deg,#c2553f,#a13a2f);
  box-shadow:0 6px 16px rgba(176,69,58,.4),inset 0 1px 0 rgba(255,255,255,.35);
  transform:rotate(-4deg);
}
.brand-text h1{margin:0;font-size:18px;letter-spacing:.12em;font-weight:600}
.brand-text p{margin:2px 0 0;font-size:11.5px;color:var(--ink-3);letter-spacing:.06em}

/* 搜索 */
.search-wrap{position:relative;flex:1 1 200px;min-width:170px;max-width:300px}
#searchInput{
  width:100%;padding:9px 14px;border-radius:12px;font-family:var(--serif);font-size:13.5px;
  border:1px solid rgba(179,135,60,.3);background:rgba(255,255,255,.72);color:var(--ink);
  outline:none;letter-spacing:.04em;transition:.25s;
}
#searchInput::placeholder{color:#b3a894}
#searchInput:focus{border-color:rgba(176,69,58,.5);box-shadow:0 0 0 3px rgba(179,135,60,.14);background:#fff}
.suggest{
  position:absolute;top:calc(100% + 8px);left:0;right:0;max-height:400px;overflow-y:auto;
  border-radius:14px;padding:6px;display:none;z-index:70;
  background:rgba(255,253,247,.96);
  -webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);
  border:1px solid var(--glass-brd);box-shadow:var(--shadow-lg);
}
.suggest.on{display:block;animation:maskIn .2s ease both}
.sg-item{padding:9px 12px;border-radius:9px;cursor:pointer;display:flex;
  justify-content:space-between;gap:10px;align-items:center;transition:.18s}
.sg-item:hover{background:rgba(179,135,60,.15)}
.sg-name{font-size:14px;letter-spacing:.08em;color:var(--ink)}
.sg-meta{font-size:11px;color:var(--ink-3);white-space:nowrap}
.sg-empty{padding:12px;font-size:13px;color:var(--ink-3);text-align:center}
/* 搜索建议分组（诗人 / 诗句） */
.sg-group{padding:6px 12px 3px;font-size:11px;color:var(--ink-3);letter-spacing:.16em}
.sg-group + .sg-item{margin-top:0}
.sg-item.sg-poem{
  flex-direction:column;align-items:flex-start;gap:3px;
  border-left:2px solid rgba(179,135,60,.32);margin-left:6px;
}
.sg-item.sg-poem:hover{border-left-color:var(--gold)}
.sg-line-title{font-size:12.5px;color:var(--ink-3);letter-spacing:.04em}
.sg-line-title b{color:var(--ink);font-weight:600;letter-spacing:.08em}
.sg-line{
  font-family:var(--kai);font-size:14px;color:var(--ink-2);
  letter-spacing:.04em;line-height:1.5;
}
.sg-line mark{
  background:linear-gradient(180deg,rgba(216,180,106,0),rgba(216,180,106,.55));
  color:var(--cinnabar);border-radius:3px;padding:0 1px;
}

/* 图例（可点击筛选） */
.legend{display:flex;flex-wrap:wrap;gap:4px 8px;padding-left:2px}
.lg-item{
  display:flex;align-items:center;gap:7px;font-size:12px;color:var(--ink-2);
  white-space:nowrap;font-family:var(--serif);cursor:pointer;letter-spacing:.04em;
  background:transparent;border:none;padding:4px 10px;border-radius:9px;
  opacity:.4;transition:.25s cubic-bezier(.2,.9,.3,1.2);
}
.lg-item.on{opacity:1;background:rgba(255,255,255,.66);box-shadow:0 2px 7px rgba(94,74,44,.09)}
.lg-item:hover{opacity:1;transform:translateY(-1px)}
.lg-dot{width:20px;height:3px;border-radius:2px;flex:0 0 auto}
/* 政坛对峙：与图中的虚线连线一致 */
.lg-dot.dashed{
  border-radius:0;
  background:repeating-linear-gradient(90deg,var(--lc) 0 4px,transparent 4px 7px);
}
/* 图例一键开合 */
.lg-all{
  margin-left:4px;font-family:var(--serif);font-size:11.5px;letter-spacing:.06em;
  color:var(--ink-2);background:rgba(255,255,255,.72);
  border:1px solid var(--line);padding:4px 11px;border-radius:9px;
  cursor:pointer;transition:.22s cubic-bezier(.2,.9,.3,1.2);white-space:nowrap;
}
.lg-all:hover{background:var(--gold);color:#fff;border-color:var(--gold);transform:translateY(-1px)}
.lg-all.active{background:var(--gold);color:#fff;border-color:var(--gold);box-shadow:0 3px 10px rgba(179,135,60,.3)}

.tools{display:flex;gap:9px;flex:0 0 auto;align-items:center;margin-left:auto}

/* 时代导航 */
.era-nav{display:flex;gap:2px;padding:3px;border-radius:12px;
  background:rgba(179,135,60,.1);border:1px solid rgba(179,135,60,.2)}
.era-btn{
  font-family:var(--serif);font-size:12.5px;padding:6px 13px;border:none;border-radius:9px;
  cursor:pointer;background:transparent;color:var(--ink-2);letter-spacing:.08em;
  transition:.25s cubic-bezier(.2,.9,.3,1.2);
}
.era-btn:hover{color:var(--cinnabar)}
.era-btn.on{background:#fff;color:var(--cinnabar);box-shadow:0 2px 8px rgba(94,74,44,.13)}

.tbtn{
  font-family:var(--serif);font-size:13px;color:var(--ink-2);
  padding:8px 16px;border-radius:11px;cursor:pointer;
  border:1px solid rgba(179,135,60,.34);
  background:linear-gradient(180deg,rgba(255,255,255,.9),rgba(250,244,232,.7));
  transition:.25s cubic-bezier(.2,.9,.3,1.2);
}
.tbtn:hover{transform:translateY(-2px);color:var(--cinnabar);border-color:rgba(176,69,58,.45);box-shadow:0 8px 18px rgba(176,69,58,.14)}
.tbtn:active{transform:translateY(0) scale(.97)}

/* ---------- 舞台 ---------- */
.stage{position:fixed;inset:0;z-index:10}
.viewport{
  position:absolute;inset:0;cursor:grab;overflow:hidden;
  -webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;
  -webkit-tap-highlight-color:transparent;
}
/* 拖拽期间整页禁止选中（鼠标可能移到图谱区域之外） */
body.dragging-view,body.dragging-view *{
  -webkit-user-select:none !important;-moz-user-select:none !important;
  -ms-user-select:none !important;user-select:none !important;
}
/* 头像不参与原生图片拖拽 */
.viewport img,.era-axis img{-webkit-user-drag:none;user-drag:none}
.viewport.dragging{cursor:grabbing}
.canvas{position:absolute;left:0;top:0;transform-origin:0 0;will-change:transform}

.wires{position:absolute;left:0;top:0;overflow:visible;pointer-events:none}
.wires path.wire{fill:none;stroke-linecap:round;transition:stroke-opacity .3s,filter .3s}
.wires path.wire-hot{filter:drop-shadow(0 0 10px currentColor) drop-shadow(0 0 22px currentColor)}
.nodes{position:absolute;left:0;top:0}

/* ---------- 时代轴（历史分期与下方诗人按生年对齐） ---------- */
.era-axis{position:absolute;left:0;top:0;pointer-events:none}

/* 时期色块（可点击聚焦） */
.era-seg{
  position:absolute;top:16px;height:94px;border-radius:20px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  overflow:hidden;padding:0 12px;
  border:1.5px solid rgba(140,105,55,.26);
  box-shadow:inset 0 1.5px 0 rgba(255,255,255,.8),0 10px 26px rgba(120,95,60,.13);
  pointer-events:auto;cursor:pointer;
  transition:transform .28s cubic-bezier(.2,1.3,.4,1),box-shadow .28s,filter .28s;
}
.era-seg:hover{
  transform:translateY(-3px);filter:saturate(1.12);
  box-shadow:inset 0 1.5px 0 rgba(255,255,255,.85),0 16px 34px rgba(120,95,60,.24);
}
.era-seg:active{transform:translateY(-1px)}
.era-seg b{
  font-family:var(--kai);font-size:50px;line-height:1;font-weight:400;
  letter-spacing:.2em;text-indent:.2em;
}
.era-seg span{font-size:24px;letter-spacing:.12em;opacity:.6;font-weight:400}

/* 主轴线 */
.era-line{
  position:absolute;top:126px;height:2px;
  background:linear-gradient(90deg,rgba(179,135,60,.1),rgba(179,135,60,.58) 5%,rgba(179,135,60,.58) 95%,rgba(179,135,60,.1));
}
.era-line::before,.era-line::after{
  content:'';position:absolute;top:-4px;width:10px;height:10px;border-radius:50%;
  background:var(--gold);box-shadow:0 0 0 3px rgba(179,135,60,.16);
}
.era-line::before{left:-5px}
.era-line::after{right:-5px}

/* 该时期的关键历史事件 */
.era-ev-row{
  position:absolute;top:146px;display:flex;justify-content:center;
  gap:44px;flex-wrap:nowrap;overflow:hidden;
}
.era-ev-row em{
  font-style:normal;font-family:var(--kai);font-size:28px;line-height:1.4;
  color:var(--cinnabar);white-space:nowrap;letter-spacing:.03em;
  background:rgba(255,253,247,.82);padding:3px 15px;border-radius:11px;
  border:1px solid rgba(176,69,58,.18);
  box-shadow:0 4px 12px rgba(176,69,58,.08);
}

/* 时期分界虚线（贯穿全图，辅助对应） */
.era-divider{
  position:absolute;top:132px;width:0;
  border-left:1.5px dashed rgba(160,128,80,.28);
}

/* ---------- 诗人节点 ---------- */
.node{
  position:absolute;transform:translate(-50%,-50%);
  width:110px;display:flex;flex-direction:column;align-items:center;gap:7px;
  cursor:pointer;opacity:0;
  animation:nodeIn .9s cubic-bezier(.18,1.5,.4,1) forwards;
}
@keyframes nodeIn{
  0%{opacity:0;transform:translate(-50%,-50%) scale(.2) rotate(-12deg)}
  60%{opacity:1}
  100%{opacity:1;transform:translate(-50%,-50%) scale(1) rotate(0)}
}
/* 呼吸浮动（与外层入场动画分离，避免 transform 冲突） */
.floater{display:flex;flex-direction:column;align-items:center;gap:9px;
  animation:float 6.4s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-9px)}}
.node-orb{
  position:relative;width:110px;height:110px;border-radius:50%;
  background:var(--glass-strong);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:2px solid rgba(255,255,255,.92);
  box-shadow:
    0 12px 26px rgba(94,74,44,.2),
    0 0 0 1px rgba(179,135,60,.32),
    inset 0 2px 6px rgba(255,255,255,.9),
    inset 0 -8px 16px rgba(179,135,60,.12);
  overflow:hidden;display:grid;place-items:center;
  transition:transform .4s cubic-bezier(.2,1.4,.4,1),box-shadow .4s;
}
.node-orb::after{ /* 玻璃高光 */
  content:"";position:absolute;inset:0;border-radius:50%;
  background:linear-gradient(155deg,rgba(255,255,255,.72) 0%,rgba(255,255,255,0) 42%,rgba(179,135,60,.1) 100%);
  pointer-events:none;
}
.node-orb img{width:100%;height:100%;object-fit:cover;display:block;
  transform:scale(1.04);transition:transform .6s cubic-bezier(.2,.9,.3,1)}
/* 无画像：篆意文字头像 */
.node-orb.nameplate{
  background:
    radial-gradient(circle at 32% 26%,rgba(255,255,255,.96),rgba(247,241,229,.72) 58%,rgba(232,220,198,.82) 100%);
  border-color:rgba(179,135,60,.5);
}
.nameplate span{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  font-family:var(--kai);line-height:1.06;color:var(--gold);
  letter-spacing:.02em;text-shadow:0 1px 0 #fff,0 6px 14px rgba(179,135,60,.28);
}
.nameplate span i{font-style:normal;display:block}
.node-tag{
  position:absolute;top:-9px;right:-6px;z-index:3;
  font-size:10px;padding:2px 7px;border-radius:8px;letter-spacing:.05em;
  background:linear-gradient(150deg,#c2553f,#a13a2f);color:#fff;font-family:var(--kai);
  box-shadow:0 4px 10px rgba(176,69,58,.36);
}
.node-name{
  font-size:16.5px;letter-spacing:.1em;color:var(--ink);font-weight:600;
  padding:3px 12px;border-radius:10px;white-space:nowrap;
  background:rgba(255,253,247,.72);border:1px solid rgba(255,255,255,.8);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  box-shadow:0 4px 12px rgba(94,74,44,.1);
  transition:.35s;
}
.node-life{font-size:11px;color:var(--ink-3);letter-spacing:.06em;margin-top:-4px}

.node:hover .node-orb{transform:scale(1.14);box-shadow:0 18px 38px rgba(94,74,44,.26),0 0 0 2px rgba(179,135,60,.6),0 0 30px rgba(179,135,60,.34),inset 0 2px 6px rgba(255,255,255,.9)}
.node:hover .node-orb img{transform:scale(1.14)}
.node:hover .node-name{color:var(--cinnabar);background:rgba(255,255,255,.94)}
.node.dim{opacity:.26;filter:saturate(.4)}
.node.dim .node-orb{transform:scale(.92)}
.node.lit .node-orb{box-shadow:0 18px 40px rgba(94,74,44,.28),0 0 0 3px rgba(179,135,60,.75),0 0 42px rgba(216,180,106,.55),inset 0 2px 6px rgba(255,255,255,.9)}
/* 筛选后无可见关系的节点 */
.node.muted{opacity:.28;filter:grayscale(.65)}
/* 缩得很小时隐藏生卒年，避免文字糊成一团 */
.canvas.zoomed-out .node-life{opacity:0;transform:translateY(-4px)}
/* 缩小时简化时代轴，避免文字挤作一团 */
.canvas.zoomed-out .era-seg span{opacity:0}
.canvas.zoomed-out .era-seg b{font-size:40px}
.canvas.zoomed-out .era-ev-row{opacity:.62}
.canvas.zoomed-out .era-ev-row em{font-size:24px;padding:2px 10px}
.node-life{transition:opacity .3s,transform .3s}
.canvas.zoomed-out .node-name{font-size:15px;padding:2px 9px}
/* 搜索定位脉冲 */
.node.pulse .node-orb{animation:pulseRing 2.2s ease-out}
@keyframes pulseRing{
  0%{box-shadow:0 12px 26px rgba(94,74,44,.2),0 0 0 0 rgba(179,135,60,.72)}
  70%{box-shadow:0 12px 26px rgba(94,74,44,.2),0 0 0 44px rgba(179,135,60,0)}
  100%{box-shadow:0 12px 26px rgba(94,74,44,.2),0 0 0 0 rgba(179,135,60,0)}
}

/* ---------- 关系提示气泡 ---------- */
.tip{
  position:fixed;z-index:60;pointer-events:none;opacity:0;
  padding:11px 18px;border-radius:14px;font-size:14px;color:var(--ink);
  letter-spacing:.04em;white-space:nowrap;line-height:1.6;
  background:rgba(255,253,247,.95);
  -webkit-backdrop-filter:blur(20px) saturate(1.5);
  backdrop-filter:blur(20px) saturate(1.5);
  border:1px solid rgba(179,135,60,.42);
  box-shadow:0 14px 34px rgba(94,74,44,.24),inset 0 1px 0 rgba(255,255,255,.95);
  transition:opacity .22s,transform .22s;transform:translateY(6px);
  max-width:380px;
}
.tip.on{opacity:1;transform:translateY(0)}
.tip b{color:var(--cinnabar);font-weight:600}

/* ---------- 弹层 ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:80;display:none;
  align-items:center;justify-content:center;padding:26px;
  background:rgba(60,48,32,.28);
  -webkit-backdrop-filter:blur(9px) saturate(1.3);
  backdrop-filter:blur(9px) saturate(1.3);
}
.modal-mask.on{display:flex;animation:maskIn .34s ease both}
@keyframes maskIn{from{opacity:0}to{opacity:1}}
.modal{
  position:relative;width:min(760px,100%);min-width:0;max-width:100%;
  max-height:88vh;overflow:hidden;
  border-radius:26px;display:flex;flex-direction:column;
  box-shadow:var(--shadow-lg),inset 0 1px 0 rgba(255,255,255,.95);
  animation:modalIn .52s cubic-bezier(.2,1.25,.35,1) both;
}
@keyframes modalIn{from{opacity:0;transform:translateY(28px) scale(.94)}to{opacity:1;transform:none}}
.modal.closing{animation:modalOut .26s ease forwards}
@keyframes modalOut{to{opacity:0;transform:translateY(18px) scale(.96)}}
.close{
  position:absolute;top:14px;right:16px;z-index:5;
  width:38px;height:38px;border-radius:50%;cursor:pointer;
  border:1px solid rgba(179,135,60,.34);background:rgba(255,255,255,.82);
  color:var(--ink-2);font-size:22px;line-height:1;display:grid;place-items:center;
  transition:.25s cubic-bezier(.2,.9,.3,1.3);
}
.close:hover{transform:rotate(90deg) scale(1.08);color:var(--cinnabar);border-color:rgba(176,69,58,.5)}
.modal-body{overflow-y:auto;overflow-x:hidden;padding:32px 34px 30px;scrollbar-width:thin}
.modal-body::-webkit-scrollbar{width:7px}
.modal-body::-webkit-scrollbar-thumb{background:rgba(179,135,60,.34);border-radius:4px}

/* 诗人档案 */
.p-head{display:flex;gap:26px;align-items:flex-start}
.p-avatar{
  width:150px;height:150px;flex:0 0 auto;border-radius:50%;overflow:hidden;
  position:relative;background:rgba(255,255,255,.9);
  border:2px solid rgba(255,255,255,.95);
  box-shadow:0 12px 26px rgba(94,74,44,.2),0 0 0 1px rgba(179,135,60,.4),inset 0 0 0 1px rgba(255,255,255,.8);
}
.p-avatar img{width:100%;height:100%;object-fit:cover}
.p-avatar.noimg{display:grid;place-items:center;
  background:radial-gradient(circle at 34% 28%,#fffdf8,#f0e7d5 60%,#e3d6bd)}
.p-avatar.noimg span{font-family:var(--kai);font-size:40px;color:var(--gold);letter-spacing:.1em;
  text-shadow:0 2px 0 #fff,0 10px 24px rgba(179,135,60,.3)}
.p-meta{flex:1 1 auto;min-width:0}
.p-name{font-size:32px;letter-spacing:.16em;margin:4px 0 10px;font-weight:600}
.p-name small{font-size:14px;letter-spacing:.1em;color:var(--ink-3);margin-left:10px;font-weight:400}
.p-line{display:flex;gap:10px;font-size:13.5px;margin:7px 0;color:var(--ink-2);line-height:1.7}
.p-line b{flex:0 0 62px;color:var(--ink-3);font-weight:400;letter-spacing:.1em}
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}
.chip{font-size:12px;padding:4px 12px;border-radius:20px;letter-spacing:.05em;
  background:rgba(179,135,60,.12);color:#8a6524;border:1px solid rgba(179,135,60,.26)}
.chip.red{background:rgba(176,69,58,.1);color:#8f3428;border-color:rgba(176,69,58,.24)}

.p-sec{margin-top:26px}
.p-sec h3{
  font-size:15px;letter-spacing:.18em;margin:0 0 13px;color:var(--ink);
  display:flex;align-items:center;gap:10px;font-weight:600;
}
.p-sec h3::before{content:"";width:4px;height:16px;border-radius:2px;
  background:linear-gradient(180deg,var(--gold-soft),var(--gold))}
.p-bio{font-size:14.5px;line-height:2.05;color:var(--ink-2);text-align:justify;text-indent:2em;margin:0}

.quote-box{
  margin-top:16px;padding:16px 20px;border-radius:15px;
  background:linear-gradient(120deg,rgba(216,180,106,.14),rgba(255,255,255,.5));
  border-left:3px solid var(--gold-soft);
  font-family:var(--kai);font-size:16px;line-height:1.9;color:#7a5a20;letter-spacing:.05em;
}
.quote-box em{display:block;font-size:12px;color:var(--ink-3);font-style:normal;margin-top:6px;letter-spacing:.1em}

.poem-list{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.poem-item{
  display:flex;align-items:center;gap:10px;padding:12px 15px;border-radius:13px;cursor:pointer;
  background:rgba(255,255,255,.62);border:1px solid rgba(255,255,255,.9);
  box-shadow:0 3px 10px rgba(94,74,44,.07);
  transition:.28s cubic-bezier(.2,.9,.3,1.2);font-size:14px;color:var(--ink);
}
.poem-item:hover{transform:translateY(-3px);border-color:rgba(179,135,60,.5);
  box-shadow:0 10px 22px rgba(179,135,60,.2);color:var(--cinnabar);background:#fff}
.poem-item .idx{
  font-family:var(--kai);font-size:11px;color:#fff;flex:0 0 auto;
  width:20px;height:20px;border-radius:6px;display:grid;place-items:center;
  background:linear-gradient(150deg,#c9a45c,#a8792f);
}
.poem-item .t{flex:1 1 auto;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;letter-spacing:.04em}
.poem-item .go{color:var(--ink-3);font-size:12px;transition:.25s}
.poem-item:hover .go{color:var(--cinnabar);transform:translateX(3px)}
.empty-note{font-size:13px;color:var(--ink-3);padding:12px 4px;line-height:1.9}

/* 诗词弹层 */
.poem-modal{width:min(560px,100%)}
.poem-head{text-align:center;padding-bottom:16px;border-bottom:1px dashed rgba(179,135,60,.34);margin-bottom:20px}
.poem-head h2{font-family:var(--kai);font-size:26px;letter-spacing:.2em;margin:0 0 8px;color:var(--ink)}
.poem-head p{margin:0;font-size:12.5px;color:var(--ink-3);letter-spacing:.1em}
.poem-text{
  font-family:var(--kai);font-size:19px;line-height:2.25;letter-spacing:.1em;
  color:var(--ink);text-align:center;white-space:pre-line;
  padding:4px 6px 18px;
}
.poem-note{
  font-size:13px;line-height:1.9;color:var(--ink-2);
  padding:14px 18px;border-radius:13px;
  background:linear-gradient(120deg,rgba(216,180,106,.14),rgba(255,255,255,.5));
  border-left:3px solid var(--gold-soft);
}
.poem-text.fade{animation:txtIn .5s ease both}
@keyframes txtIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* 底部提示 */
.hint{
  position:fixed;bottom:20px;left:50%;transform:translateX(-50%);z-index:30;
  padding:9px 22px;border-radius:16px;font-size:12.5px;color:var(--ink-3);
  letter-spacing:.12em;animation:fadeUp 1s .8s both;
}
@keyframes fadeUp{from{opacity:0;transform:translate(-50%,14px)}to{opacity:1;transform:translateX(-50%)}}

/* 静态渲染模式（用于截图/打印，跳过入场动画） */
html.noanim .node{opacity:1 !important;animation:none !important;transform:translate(-50%,-50%) !important}
html.noanim .floater{animation:none !important}
html.noanim .wires path.wire{stroke-dashoffset:0 !important;opacity:1 !important;transition:none !important}
html.noanim .tip,html.noanim .hint{animation:none !important}
html.noanim .modal,html.noanim .modal-mask.on,html.noanim .poem-text.fade{animation:none !important}

/* 响应式 */
/* ================= 手机端：竖排 + 上下滚动 ================= */
html.is-mobile .viewport{
  overflow-y:auto;overflow-x:hidden;
  -webkit-overflow-scrolling:touch;
  cursor:default;
}
html.is-mobile .canvas{position:relative;margin-left:auto;margin-right:auto}
html.is-mobile .hint{display:none}
/* 顶栏：下滑隐藏、上滑显示（滚出更多内容区） */
html.is-mobile .topbar{animation:none;transition:transform .3s ease,opacity .3s ease}
html.is-mobile .topbar.hidden{transform:translateY(calc(-100% - 28px));opacity:0}

/* 竖向时代色带（左侧，收窄以免与节点重叠） */
.era-seg-v{
  position:absolute;left:5px;width:34px;border-radius:12px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  border:1.5px solid rgba(140,105,55,.26);
  box-shadow:inset 0 1.5px 0 rgba(255,255,255,.8),0 8px 20px rgba(120,95,60,.12);
  overflow:hidden;
  pointer-events:auto;cursor:pointer;
}
.era-seg-v b,.era-seg-v span,.era-seg-v i{
  writing-mode:vertical-rl;text-orientation:upright;
}
.era-seg-v b{font-family:var(--kai);font-size:17px;font-weight:400;letter-spacing:.2em}
.era-seg-v span{font-size:10px;opacity:.62;letter-spacing:.12em}
.era-seg-v i{font-style:normal;font-size:10px;opacity:.5;letter-spacing:.08em;margin-top:5px}

/* 手机端节点缩小，让出左侧色带 */
html.is-mobile .node{width:58px;gap:3px}
html.is-mobile .node-orb{width:58px;height:58px}
html.is-mobile .node-name{font-size:10.5px;padding:1px 5px;border-radius:7px}
html.is-mobile .node-life{font-size:8.5px;max-width:58px;overflow-wrap:anywhere;overflow:hidden}
html.is-mobile .node-tag{font-size:8px;padding:1px 5px;top:-6px;right:-4px}
html.is-mobile .tip{max-width:78vw;font-size:12.5px}
html.is-mobile .modal-mask{padding:10px}
html.is-mobile .modal{max-height:92vh;border-radius:20px}
html.is-mobile .p-avatar{width:88px;height:88px}
html.is-mobile .p-name{font-size:19px}
html.is-mobile .p-line{font-size:12.5px;flex-wrap:wrap}
html.is-mobile .modal-body{padding:22px 18px 24px}
html.is-mobile .close{top:10px;right:10px;width:34px;height:34px;font-size:19px}

@media (max-width:1150px){
  .search-wrap{flex:1 1 100%;max-width:none;order:5}
  .tools{margin-left:0}
}
@media (max-width:900px){
  .topbar{padding:10px 14px;border-radius:16px;top:10px;left:10px;right:10px;gap:7px}
  .topbar .row1{gap:10px}
  .brand-text h1{font-size:15px}
  .brand-text p{display:none}
  .legend{gap:2px 3px}
  .lg-item{font-size:11px;padding:3px 7px}
  .lg-dot{width:14px}
  .era-btn{font-size:11.5px;padding:5px 10px}
  .tbtn{font-size:12px;padding:6px 12px}
  .p-head{flex-direction:column;align-items:center;text-align:center}
  .p-avatar{width:120px;height:120px}
  .poem-list{grid-template-columns:1fr}
  .modal-body{padding:24px 20px}
  .hint{display:none}
}