/* ===== 月亮瓦 · Moon Tile — 暗夜星空主题 ===== */
:root{
  --bg:#05070f; --bg2:#0a0f1e; --panel:rgba(18,24,43,.72);
  --line:rgba(150,165,210,.18); --txt:#e8ebf2; --dim:#9aa3b8;
  --gold:#e8c36a; --moon:#cfd3dc; --blue:#8fb8ff;
  --radius:18px; --shadow:0 12px 40px rgba(0,0,0,.5);
  --serif:"Noto Serif SC","Songti SC","STSong",serif;
  --sans:-apple-system,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  background:radial-gradient(1200px 800px at 70% -10%,#101a33 0%,var(--bg) 55%);
  color:var(--txt);font-family:var(--sans);line-height:1.7;
  min-height:100vh;overflow-x:hidden;
}
#stars{position:fixed;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
a{color:var(--blue);text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ===== 顶栏 ===== */
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(5,8,18,.66);border-bottom:1px solid var(--line)}
.topbar-inner{max-width:980px;margin:0 auto;display:flex;align-items:center;
  justify-content:space-between;gap:10px;padding:10px 16px}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:16px;letter-spacing:.5px}
.brand-moon{font-size:20px;filter:drop-shadow(0 0 6px rgba(232,195,106,.5))}
.brand-text{max-width:46vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-right{display:flex;align-items:center;gap:10px}
.nav{display:flex;gap:2px}
.nav-link{padding:6px 10px;border-radius:10px;font-size:14px;color:var(--dim);transition:.2s}
.nav-link.active{color:var(--gold);background:rgba(232,195,106,.12)}
.lang-btn{padding:6px 12px;border:1px solid var(--line);border-radius:999px;
  font-size:13px;color:var(--txt);transition:.2s}
.lang-btn:hover{border-color:var(--gold);color:var(--gold)}

/* ===== 通用布局 ===== */
main{max-width:980px;margin:0 auto;padding:20px 16px 60px}
.view{animation:fadeUp .45s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

.section-title{font-family:var(--serif);font-size:26px;letter-spacing:2px;margin-bottom:6px}
.section-sub{color:var(--dim);font-size:15px;margin-bottom:22px}
.eyebrow{color:var(--gold);font-size:13px;letter-spacing:3px;margin-bottom:6px}

/* ===== 首页 ===== */
.hero{text-align:center;padding:26px 0 8px}
.hero h1{font-family:var(--serif);font-size:34px;letter-spacing:4px;margin-bottom:8px;
  background:linear-gradient(180deg,#fff,#b9c2d6);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--dim);max-width:560px;margin:0 auto 10px}
.globe-wrap{position:relative;height:min(74vw,430px);margin:6px auto 0;max-width:470px}
#globe{width:100%;height:100%;display:block;cursor:grab;touch-action:pan-y}
#globe:active{cursor:grabbing}
.globe-hint{position:absolute;bottom:2px;left:0;right:0;text-align:center;font-size:12px;color:var(--dim)}
.tap-pulse{position:absolute;top:50%;left:50%;width:120px;height:120px;border-radius:50%;
  border:1px solid rgba(232,195,106,.5);transform:translate(-50%,-50%);
  animation:pulse 2.6s ease-out infinite;pointer-events:none}
@keyframes pulse{0%{opacity:.9;transform:translate(-50%,-50%) scale(.55)}70%{opacity:0;transform:translate(-50%,-50%) scale(1.25)}100%{opacity:0}}

.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-top:26px}
.feature-card{position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow);
  transition:transform .25s ease;display:block}
.feature-card:hover{transform:translateY(-4px)}
.feature-card img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.feature-card .cap{padding:12px 14px}
.feature-card .cap b{display:block;font-size:17px;font-family:var(--serif)}
.feature-card .cap span{color:var(--dim);font-size:13px}
.big-card{margin-top:14px}
.big-card .inner{display:flex;gap:16px;align-items:center;padding:18px;
  border-radius:var(--radius);border:1px solid var(--line);background:var(--panel)}
.big-card img{width:84px;height:84px;border-radius:12px;object-fit:cover}
.big-card h3{font-size:18px;margin-bottom:2px}
.big-card p{color:var(--dim);font-size:14px}

/* ===== 详情页 ===== */
.back-btn{color:var(--dim);font-size:14px;margin-bottom:14px;display:inline-flex;align-items:center;gap:6px}
.back-btn:hover{color:var(--gold)}
.detail-hero{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:var(--bg2)}
.detail-hero img{width:100%;display:block;aspect-ratio:1/1;object-fit:cover}
.detail-head{padding:18px 20px;border-bottom:1px solid var(--line)}
.detail-head .en{color:var(--dim);font-size:15px;letter-spacing:1px}
.detail-head h1{font-family:var(--serif);font-size:30px;letter-spacing:2px}
.detail-head .sub{color:var(--gold);font-size:15px;margin-top:4px}
.spec-line{color:var(--dim);font-size:12.5px;margin-top:8px;line-height:1.6}
.panel{margin-top:18px;padding:18px 20px;border-radius:var(--radius);
  border:1px solid var(--line);background:var(--panel)}
.panel h2{font-family:var(--serif);font-size:19px;letter-spacing:1px;margin-bottom:12px;color:var(--gold)}
table.data{width:100%;border-collapse:collapse;font-size:14px}
table.data td{padding:8px 4px;border-bottom:1px solid rgba(150,165,210,.12)}
table.data td:first-child{color:var(--dim);width:44%}
table.data tr:last-child td{border-bottom:none}
.story{font-size:15.5px;text-align:justify}
.see{background:linear-gradient(135deg,rgba(143,184,255,.12),rgba(232,195,106,.08));}
.see h2{color:var(--blue)}
.facts{display:flex;flex-direction:column;gap:10px}
.fact{display:flex;gap:10px;font-size:14.5px;align-items:flex-start}
.fact::before{content:"✦";color:var(--gold);flex:none}
.related{display:flex;gap:10px;flex-wrap:wrap}
.rel-chip{padding:8px 14px;border:1px solid var(--line);border-radius:999px;font-size:13.5px;color:var(--dim);transition:.2s}
.rel-chip:hover{color:var(--gold);border-color:var(--gold)}
.lang-toggle-note{margin-top:12px;font-size:12px;color:var(--dim)}

/* ===== 太阳系 ===== */
.planet-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.planet-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:var(--panel);cursor:pointer;transition:transform .2s;text-align:left;width:100%}
.planet-card:hover{transform:translateY(-3px)}
.planet-card img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.planet-card .pname{padding:10px 12px}
.planet-card .pname b{display:block;font-size:16px}
.planet-card .pname span{color:var(--dim);font-size:12.5px}

/* ===== 行星 3D 详情页 ===== */
.planet-globe-wrap{position:relative;height:min(74vw,430px);margin:6px auto 0;max-width:470px}
#planet-globe{width:100%;height:100%;display:block;cursor:grab;touch-action:pan-y}
#planet-globe:active{cursor:grabbing}
.planet-sub{color:var(--dim);font-size:13px;margin-top:-12px;margin-bottom:18px}
.planet-credit{font-size:12px;color:var(--dim);text-align:center;margin-top:8px}

/* ===== 观星 ===== */
.sky-item{padding:16px 18px}
.sky-item h3{font-size:16.5px;margin-bottom:8px;color:var(--gold)}
.sky-item p{font-size:14.5px;color:#d7dbe6}
.sky-img{border-radius:14px;overflow:hidden;border:1px solid var(--line);margin:0 0 12px;background:var(--bg2)}
.sky-img img{width:100%;display:block;aspect-ratio:16/8;object-fit:cover}
.sky-cap{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;padding:6px 10px;font-size:11.5px}
.sky-cap span{color:var(--gold)}
.sky-cap em{color:var(--dim);font-style:normal}

/* ===== NASA 深空影像馆 ===== */
.nasa-section{margin-top:30px}
.nasa-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
.nasa-card{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--panel);cursor:pointer;transition:transform .2s;text-align:left;width:100%;padding:0}
.nasa-card:hover{transform:translateY(-3px)}
.nasa-card img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}
.nasa-cap{padding:8px 10px}
.nasa-cap b{display:block;font-size:13.5px;line-height:1.4}
.nasa-credit{text-align:center;color:var(--dim);font-size:12px;margin-top:28px}
.nasa-lb-top{display:flex;align-items:center;gap:10px}
.nasa-lb-img{flex:1;min-width:0}
.nasa-lb-img img{width:100%;border-radius:12px;display:block;max-height:52vh;object-fit:contain;background:#000}
.lb-nav{width:44px;height:44px;flex:none;border-radius:50%;border:1px solid var(--line);color:var(--gold);font-size:26px;line-height:1;display:flex;align-items:center;justify-content:center;background:rgba(10,16,32,.72)}
.nasa-lb-title{font-family:var(--serif);font-size:22px;margin:14px 0 6px;color:var(--txt)}
.nasa-lb-desc{font-size:14px;color:#d7dbe6;line-height:1.7}
.nasa-lb-meta{font-size:12px;color:var(--dim);margin-top:10px}

/* ===== 关于 ===== */
.about-line{font-size:14.5px;color:#d7dbe6;margin-bottom:14px}
.about-kv{font-size:12.5px;color:var(--dim)}

/* ===== 模态框 ===== */
[hidden]{display:none !important}
.modal{position:fixed;inset:0;z-index:100;display:flex;align-items:flex-end;justify-content:center;
  background:rgba(2,4,10,.72);backdrop-filter:blur(6px);animation:fadeIn .2s}
.modal-card{width:100%;max-width:640px;max-height:88vh;overflow:auto;position:relative;
  background:var(--bg2);border:1px solid var(--line);border-radius:22px 22px 0 0;padding:26px 22px 30px;
  animation:slideUp .28s ease}
@keyframes slideUp{from{transform:translateY(40px);opacity:.6}to{transform:none;opacity:1}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal-close{position:sticky;top:0;float:right;font-size:26px;color:var(--dim);line-height:1;padding:4px 8px}
.modal-card img{width:100%;border-radius:14px;margin:12px 0 6px}
.modal-card h3{font-family:var(--serif);font-size:24px;letter-spacing:1px}
.modal-card .sub{color:var(--gold);font-size:14px;margin-bottom:12px}

/* ===== 页脚 ===== */
.footer{max-width:980px;margin:0 auto;padding:24px 16px 40px;text-align:center;border-top:1px solid var(--line)}
.footer p{font-size:13.5px;color:var(--dim)}
.footer .footer-small{font-size:11.5px;color:#6b7488;margin-top:6px}

@media (min-width:700px){
  .hero h1{font-size:42px}
  .detail-hero img{aspect-ratio:16/9}
  .modal{align-items:center}
  .modal-card{border-radius:22px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ===== 月相 ===== */
.phase-row{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between}
.phase{display:flex;flex-direction:column;align-items:center;gap:4px;flex:1;min-width:56px}
.phase-emoji{font-size:30px;line-height:1;filter:drop-shadow(0 0 6px rgba(232,195,106,.35))}
.phase span:last-child{font-size:11.5px;color:var(--dim);text-align:center}

/* ===== 3D 不可用时的静态月亮降级 ===== */
.globe-fallback{width:100%;height:100%;display:flex;align-items:center;justify-content:center}
.globe-fallback img{width:76%;max-width:270px;aspect-ratio:1/1;object-fit:cover;border-radius:50%;
  box-shadow:0 0 50px rgba(232,195,106,.28), 0 0 120px rgba(143,184,255,.14);
  animation:moonFloat 7s ease-in-out infinite}
@keyframes moonFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}

/* ===== 缩放按钮 ===== */
.globe-zoom{position:absolute;right:12px;bottom:12px;display:flex;gap:8px;z-index:5}
.zoom-btn{width:42px;height:42px;border-radius:50%;background:rgba(10,16,32,.72);
  border:1px solid var(--line);color:var(--gold);font-size:22px;line-height:1;
  display:flex;align-items:center;justify-content:center;backdrop-filter:blur(6px);
  box-shadow:0 4px 14px rgba(0,0,0,.4);transition:transform .15s}
.zoom-btn:hover{border-color:var(--gold)}
.zoom-btn:active{transform:scale(.9)}
.globe-fallback img{transition:transform .25s ease}

/* ===== 导航横向滚动（7 项） ===== */
.topbar-right{flex:1 1 auto;min-width:0}
.nav{flex:1 1 auto;min-width:0;overflow-x:auto;scrollbar-width:none;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}
.nav::-webkit-scrollbar{display:none}
.nav-link{white-space:nowrap;flex:none}
@media (max-width:640px){
  .topbar-inner{flex-wrap:wrap;row-gap:6px}
  .topbar-right{flex:1 1 100%;justify-content:flex-end}
  .nav{flex:1 1 auto}
}

/* ===== 今晚星空 ===== */
.tonight-date{font-size:15px;color:var(--gold);margin:4px 0 14px;letter-spacing:.5px}
.body-photo{border-radius:14px;overflow:hidden;border:1px solid var(--line);margin:0 0 12px;background:var(--bg2)}
.body-photo img{width:100%;display:block;aspect-ratio:16/8;object-fit:cover}
.body-photo-cap{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;padding:6px 10px;font-size:11.5px}
.body-photo-cap span{color:var(--gold)}
.body-photo-cap em{color:var(--dim);font-style:normal}
.p-thumb{display:inline-flex;width:34px;height:34px;border-radius:50%;overflow:hidden;vertical-align:-10px;margin-right:8px;border:1px solid var(--line);flex:none}
.p-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.rise-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}
.rise-cards .panel{margin-top:0}
.rise-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px 14px}
.rg{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px dashed rgba(150,165,210,.14);padding-bottom:6px}
.rg span{color:var(--dim);font-size:13px}
.rg b{font-size:15.5px;font-weight:600;font-variant-numeric:tabular-nums}
.loc-panel h2{margin-bottom:12px}
.loc-presets{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.loc-chip{padding:7px 13px;border:1px solid var(--line);border-radius:999px;font-size:13px;color:var(--dim);transition:.2s}
.loc-chip:hover{color:var(--gold);border-color:var(--gold)}
.loc-chip.active{color:var(--gold);background:rgba(232,195,106,.14);border-color:var(--gold)}
.loc-custom{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:10px}
.loc-custom-label{font-size:13px;color:var(--dim)}
.loc-custom input{width:96px;padding:7px 10px;border-radius:10px;border:1px solid var(--line);
  background:rgba(10,16,32,.72);color:var(--txt);font-size:13.5px;outline:none}
.loc-custom input:focus{border-color:var(--gold)}
.btn{padding:8px 16px;border-radius:999px;border:1px solid var(--gold);color:var(--gold);font-size:13.5px;transition:.2s;background:rgba(232,195,106,.08)}
.btn:hover{background:rgba(232,195,106,.2)}
.loc-err{color:#e07b6a;font-size:12.5px}
.loc-now{font-size:13px;color:var(--dim)}
table.rise-table thead th{color:var(--dim);font-size:12.5px;font-weight:500;text-align:left;padding:6px 4px;border-bottom:1px solid var(--line)}
table.rise-table tbody td{font-variant-numeric:tabular-nums;vertical-align:middle}
table.rise-table .mag{text-align:right}
.p-en{color:var(--dim);font-size:11.5px;margin-left:3px}
.p-status{display:block;font-size:11.5px;color:var(--blue)}
.news-line{font-size:14.5px;padding:7px 0;border-bottom:1px dashed rgba(150,165,210,.12)}
.news-line:last-child{border-bottom:none}
.muted{color:var(--dim)}
.ok{color:#8fd6a0}
.no{color:#e07b6a}
.tag{display:inline-block;font-size:11px;padding:1px 8px;border-radius:999px;margin-left:6px;vertical-align:1px}
.tag-today{color:var(--gold);background:rgba(232,195,106,.14);border:1px solid var(--gold)}
.tag-past{color:var(--dim);background:rgba(150,165,210,.1);border:1px solid var(--line)}
.row-past td{color:var(--dim)}

/* ===== 日月食 ===== */
.eclipse-figures{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin-top:8px}
.eclipse-figure{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);padding:14px 12px 10px}
.diagram{width:100%;height:auto;display:block}
.d-sun{fill:#ffd24d}
.d-moon{fill:#c9cdd8}
.d-moon-red{fill:#c96a4d}
.d-earth{fill:#3a5a8c}
.d-shadow{fill:#7b86a8;opacity:.45}
.diagram-cap{text-align:center;font-size:12.5px;color:var(--dim);margin-top:6px}
.d-sun-rays line{stroke:#ffd24d;stroke-width:1.6;opacity:.65}
.d-penumbra{fill:#7b86a8;opacity:.20}
.d-umbra{fill:#1b2340;opacity:.88}
.d-axis{stroke:rgba(150,165,210,.4);stroke-dasharray:4 5;stroke-width:1.1}
.d-label{fill:var(--dim);font-size:11px;font-family:var(--sans);letter-spacing:.5px}
.d-moon-sil{fill:#0b1020}
.eclipse-photos{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;margin-top:18px}
.eclipse-photo{margin:0;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--panel)}
.eclipse-photo img{width:100%;display:block;aspect-ratio:4/3;object-fit:cover}
.eclipse-photo figcaption{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;padding:8px 12px;font-size:12px}
.eclipse-photo figcaption span{color:var(--gold)}
.eclipse-photo figcaption em{color:var(--dim);font-style:normal;font-size:11px}
.panel-sub{font-size:15px;color:var(--blue);margin:14px 0 8px;letter-spacing:1px}
.eclipse-types{display:flex;flex-direction:column;gap:8px}
.eclipse-type{display:flex;gap:10px;align-items:baseline;font-size:14.5px}
.eclipse-type b{color:var(--gold);font-size:14.5px;flex:none;min-width:64px}
.eclipse-type span{color:#d7dbe6}
.safety{background:linear-gradient(135deg,rgba(224,123,106,.1),rgba(232,195,106,.06))}
.safety h2{color:#e8a48f}
.safety-solar{margin-bottom:10px}
.eclipse-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}
.eclipse-card{margin-top:0}
.ecl-main{font-size:15px;margin-bottom:6px}
.ecl-vis{font-size:13.5px;color:var(--dim)}

/* ===== 今日月相 ===== */
.phase-today{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.phase-svg{width:110px;height:110px;flex:none;filter:drop-shadow(0 0 14px rgba(232,195,106,.35))}
.pt-dark{fill:#1a2138}
.pt-lit{fill:#e8c36a}
.phase-today-info{flex:1;min-width:200px}
.pt-title{font-size:12.5px;color:var(--gold);letter-spacing:2px}
.pt-name{font-family:var(--serif);font-size:24px;margin:2px 0 4px;display:flex;align-items:center;gap:8px}
.pt-date{font-size:12.5px;color:var(--dim)}
.pt-stats{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:8px;font-size:13.5px;color:#d7dbe6}
.pt-stats b{color:var(--txt);font-weight:600;font-variant-numeric:tabular-nums}
.pt-next{font-size:13px;color:var(--blue);margin-top:4px}
.phase.today{position:relative}
.phase.today .phase-emoji{outline:2px solid var(--gold);outline-offset:3px;border-radius:50%}
.phase-today-badge{position:absolute;top:-8px;right:0;font-size:10px;font-style:normal;color:var(--gold);
  background:rgba(232,195,106,.16);border:1px solid var(--gold);border-radius:999px;padding:0 6px;line-height:1.6}
@media (max-width:380px){
  .phase-svg{width:92px;height:92px}
}