/* ============================================================
   超人不会飞 — 《无畏契约》地图设计分析报告
   单一样式表。设计语言取自 VALORANT 官方视觉：
   墨蓝底 #0f1923 / 官方红 #ff4655 / 纸白 #ece8e1，
   斜切角、方正字重、克制配色。全部为本地资源，零外部请求。
   数值体系：间距 4px 网格；字号 12/13/14/16/18/20/24/30/36/44/56。
   ============================================================ */

:root{
  /* 色板 */
  --bg:#0f1923; --bg-deep:#0b131b; --panel:#1b2733; --panel-2:#22303d;
  --line:#2c3a47; --line-strong:#3c4d5c;
  --text:#ece8e1; --text-2:#c6d0d9; --muted:#93a1af; --dim:#8f9caa;
  --red:#ff4655; --red-2:#ff5f6d; --teal:#12e0b8; --gold:#eab54d; --sky:#4ea8ff;
  --a:#ff5f6d; --b:#4ea8ff; --c:#12e0b8; --mid:#eab54d; --atk:#c77dff; --def:#7bd389;
  /* 语义 */
  --radius:14px; --radius-sm:9px; --maxw:1240px; --content:688px;
  --shadow:0 18px 44px rgba(0,0,0,.45);
  --sans:'Segoe UI',system-ui,-apple-system,Roboto,'Helvetica Neue',Arial,'Microsoft YaHei','PingFang SC','Hiragino Sans GB','Noto Sans SC',sans-serif;
  --display:'Segoe UI Semibold','Segoe UI',system-ui,'Microsoft YaHei','PingFang SC',sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--text);font-family:var(--sans);
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  background-image:
    radial-gradient(1200px 620px at 82% -12%,rgba(255,70,85,.10),transparent 60%),
    radial-gradient(900px 520px at -5% 0%,rgba(18,224,184,.06),transparent 55%);
  background-attachment:fixed;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
/* <picture> 只是格式选择容器，不应参与布局（WebP 优先 + JPG/PNG 回退） */
picture{display:contents}
h1,h2,h3,h4{font-family:var(--display);line-height:1.24;margin:0}
p{margin:0 0 12px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.muted{color:var(--muted);font-size:14px}
:focus-visible{outline:2px solid var(--red-2);outline-offset:2px;border-radius:6px}

/* 阅读进度条 */
.progressbar{position:fixed;top:0;left:0;height:3px;width:0;z-index:100;
  background:linear-gradient(90deg,var(--red),var(--gold))}

/* ---------------- 顶栏 ---------------- */
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(11,19,27,.8);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;gap:18px;min-height:62px;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--display);font-weight:800;font-size:17px;letter-spacing:.06em}
.brand .mark{width:26px;height:26px;flex:0 0 26px}
.topnav{margin-left:auto;display:flex;gap:4px;flex-wrap:wrap}
.topnav a{padding:8px 13px;border-radius:var(--radius-sm);font-size:13.5px;color:var(--muted);border:1px solid transparent;transition:.15s}
.topnav a:hover{color:var(--text);background:var(--panel);border-color:var(--line)}
.topnav a:focus-visible{outline-offset:1px}

/* ---------------- 首页 Hero ---------------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero::before{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,25,35,.58),rgba(15,25,35,.94)),url("../art/ascent-hero.jpg") center 32%/cover no-repeat;
  background-image:linear-gradient(180deg,rgba(15,25,35,.58),rgba(15,25,35,.94)),image-set(url("../art/ascent-hero.webp") type("image/webp") 1x,url("../art/ascent-hero.jpg") type("image/jpeg") 1x);
  opacity:.6;filter:saturate(.9)}
.hero::after{content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;
  background:linear-gradient(135deg,rgba(255,70,85,.18),transparent 62%);
  clip-path:polygon(0 0,100% 0,100% 100%);pointer-events:none}
.hero .wrap{position:relative;padding:78px 20px 62px}
.kicker{display:inline-flex;align-items:center;gap:10px;font-size:12px;letter-spacing:.3em;
  color:var(--red-2);font-weight:800}
.kicker::before{content:"";width:28px;height:2px;background:var(--red)}
h1.title{font-size:clamp(34px,6vw,60px);line-height:1.06;margin:.3em 0 .2em;font-weight:900;letter-spacing:-.005em}
.hero p.lead{max-width:64ch;color:var(--text-2);font-size:clamp(15px,1.6vw,17px);line-height:1.8}
.hero .stats{display:flex;gap:34px;flex-wrap:wrap;margin-top:30px}
.hero .stat b{display:block;font-family:var(--display);font-size:32px;font-weight:900;color:#fff;line-height:1}
.hero .stat span{font-size:12px;letter-spacing:.14em;color:var(--muted);margin-top:6px;display:inline-block}

/* ---------------- 区块 ---------------- */
section{padding:56px 0}
.sec-first{padding-top:40px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:.01em}
.section-head p{margin:6px 0 0;color:var(--muted);max-width:60ch;font-size:14.5px}

/* 筛选 */
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.filter-btn{appearance:none;cursor:pointer;background:var(--panel);color:var(--muted);
  border:1px solid var(--line);padding:9px 15px;border-radius:999px;font-size:13px;font-weight:700;transition:.15s}
.filter-btn:hover{color:var(--text)}
.filter-btn.active{background:var(--red);border-color:var(--red);color:#fff}
.search{background:var(--panel);border:1px solid var(--line);color:var(--text);
  padding:10px 15px;border-radius:999px;font-size:13.5px;outline:none;min-width:200px}
.search:focus{border-color:var(--red)}

/* ---------------- 地图卡片 ---------------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.card{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:var(--panel);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--line-strong)}
.card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;filter:saturate(.95)}
.card:hover .thumb img{transform:scale(1.06)}
.card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,25,35,.05) 38%,rgba(15,25,35,.92))}
.card .tag{position:absolute;top:12px;left:12px;z-index:2;background:rgba(11,19,27,.82);
  border:1px solid var(--line);color:#fff;font-size:11px;letter-spacing:.1em;padding:5px 10px;border-radius:7px;font-weight:700}
.card .body{padding:16px 18px 20px;display:flex;flex-direction:column;flex:1 1 auto}
.card h3{margin:0 0 8px;font-size:21px;font-weight:800;letter-spacing:.01em}
.card .sites{display:flex;gap:6px;margin-bottom:10px;flex-wrap:wrap}
.pill{font-size:11px;font-weight:700;letter-spacing:.06em;padding:3px 9px;border-radius:6px;
  background:var(--panel-2);color:var(--muted);border:1px solid var(--line)}
.card p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.card .go{margin-top:auto;padding-top:16px;display:inline-flex;align-items:center;gap:8px;
  color:var(--red-2);font-weight:800;font-size:13.5px;letter-spacing:.02em;transition:gap .18s}
.card:hover .go{gap:12px}

/* ---------------- 分析框架 ---------------- */
.framework{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.fw{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--red);
  border-radius:var(--radius-sm);padding:16px 18px}
.fw b{display:block;font-family:var(--display);font-size:16px;margin-bottom:6px}
.fw span{color:var(--muted);font-size:13.5px;line-height:1.7}

/* ---------------- 常用术语 ---------------- */
.terms{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:14px}
.term{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--sky);
  border-radius:var(--radius-sm);padding:14px 16px}
.term b{display:block;font-family:var(--display);font-size:15px;margin-bottom:5px;color:#fff}
.term span{color:var(--muted);font-size:13.5px;line-height:1.7}

/* ---------------- 详情页 Hero ---------------- */
.maphero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.maphero .bgimg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 34%;opacity:.5;filter:saturate(.95)}
.maphero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,25,35,.42),rgba(15,25,35,.96))}
.maphero .wrap{position:relative;padding:46px 20px 42px}
.crumbs{font-size:12.5px;color:var(--dim);letter-spacing:.04em;margin-bottom:16px}
.crumbs a:hover{color:var(--red-2)}
.maphero h1{font-size:clamp(38px,7vw,72px);font-weight:900;letter-spacing:.01em;line-height:1.02}
.maphero .meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px}
.chip{display:inline-flex;align-items:center;gap:8px;background:rgba(11,19,27,.72);
  border:1px solid var(--line);padding:7px 13px;border-radius:999px;font-size:12.5px;color:var(--text-2)}
.chip b{color:#fff}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block}

/* ---------------- 详情布局 ---------------- */
.detail{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:34px;align-items:start}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.panel + .panel{margin-top:20px}
.panel h3{margin:0 0 12px;font-size:16px;font-weight:800;letter-spacing:.02em;color:#fff}
.panel h4{margin:20px 0 8px;font-size:13.5px;font-weight:800;letter-spacing:.04em;color:var(--red-2)}
.panel p{color:var(--text-2);font-size:14.5px;line-height:1.8}
.panel ul{margin:8px 0 0;padding-left:0;list-style:none}
.panel li{position:relative;padding-left:20px;margin-bottom:9px;color:var(--text-2);font-size:14.5px;line-height:1.8}
.panel li::before{content:"";position:absolute;left:3px;top:11px;width:6px;height:6px;border-radius:2px;background:var(--red);transform:rotate(45deg)}
.panel li b{color:#fff}
.verdict{font-size:15px;color:var(--text);border-left:2px solid var(--gold);padding-left:14px;margin-top:6px}
.srcs{font-size:13.5px;line-height:2}
.srcs a{color:var(--red-2)}
.srcs a:hover{text-decoration:underline}

/* ---------------- 标注地图 ---------------- */
.mapbox{position:sticky;top:84px}
.map-toolbar{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:center;justify-content:space-between;margin-bottom:12px}
.legend{display:flex;gap:6px;flex-wrap:wrap}
.legend button{cursor:pointer;border:1px solid var(--line);background:var(--panel-2);color:var(--muted);
  border-radius:8px;font-size:12px;font-weight:700;padding:6px 10px;display:inline-flex;align-items:center;gap:7px;
  transition:.15s}
.legend button .sw{filter:saturate(.45);transition:.15s}
.legend button.on{color:#fff;border-color:var(--line-strong)}
.legend button.on .sw{filter:none}
.legend button .sw{width:9px;height:9px;border-radius:50%}
.tools{display:flex;gap:6px;flex-wrap:wrap}
.toolbtn{cursor:pointer;border:1px solid var(--line);background:var(--panel-2);color:var(--muted);
  border-radius:8px;font-size:12px;font-weight:700;padding:6px 11px;min-height:30px;transition:.15s}
.toolbtn:hover{color:#fff}
.toolbtn.on{color:#fff;border-color:var(--line-strong);background:#2a3a49}

.mapstage{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);
  aspect-ratio:1/1;cursor:grab;touch-action:none;
  background:
    linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px) 0 0/100% 34px,
    linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px) 0 0/34px 100%,
    radial-gradient(120% 120% at 50% 40%,#132030,#0a121a 80%)}
.mapstage.grabbing{cursor:grabbing}
.stage-inner{position:absolute;inset:0;transform-origin:center center;will-change:transform}
.stage-inner .base{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;
  filter:drop-shadow(0 6px 18px rgba(0,0,0,.5))}
.overlay{position:absolute;inset:0;width:100%;height:100%;overflow:visible}

/* 包点范围 */
.zone{stroke-width:.35;stroke-opacity:.75;fill-opacity:.14;transition:opacity .2s}
.zone.rA{fill:var(--a);stroke:var(--a)} .zone.rB{fill:var(--b);stroke:var(--b)}
.zone.rC{fill:var(--c);stroke:var(--c)}

/* 路线示意 */
.route{fill:none;stroke-width:.7;stroke-linecap:round;stroke-linejoin:round;
  stroke-dasharray:2.4 1.6;opacity:0;transition:opacity .25s}
.route.rtA{stroke:var(--a)} .route.rtB{stroke:var(--b)} .route.rtC{stroke:var(--c)}
.mapstage.routes .route{opacity:.85}
.overlay marker path{fill:var(--text)}

/* 报点 */
.mk .dot{fill:#fff;stroke:rgba(0,0,0,.55);stroke-width:.35;transition:.12s}
.mk.rA .dot{fill:var(--a)} .mk.rB .dot{fill:var(--b)} .mk.rC .dot{fill:var(--c)}
.mk.rMid .dot{fill:var(--mid)} .mk.rAtk .dot{fill:var(--atk)} .mk.rDef .dot{fill:var(--def)}
.lbl{font-family:var(--sans);font-size:2.4px;font-weight:700;text-anchor:middle;
  fill:#fff;paint-order:stroke;stroke:#0b131b;stroke-width:.62;stroke-linejoin:round;
  opacity:0;transition:opacity .12s;pointer-events:none}
.mk:hover .dot{r:1.55}
.mapstage.labels .lbl{opacity:1}
.mk:hover .lbl{opacity:1}
.mk.off,.zone.off,.route.off{opacity:0;pointer-events:none}

/* 比例尺 */
.scale line{stroke:var(--text);stroke-width:.4;opacity:.85}
.scale text{font-family:var(--mono,var(--sans));font-size:1.9px;fill:var(--text);opacity:.9;
  paint-order:stroke;stroke:#0b131b;stroke-width:.5}

/* 缩放条 */
.zoombar{position:absolute;right:10px;bottom:10px;display:flex;flex-direction:column;gap:6px;z-index:6}
.zoombar .toolbtn{background:rgba(11,19,27,.85);backdrop-filter:blur(6px);font-size:15px;line-height:1;
  width:34px;height:34px;padding:0;display:inline-flex;align-items:center;justify-content:center}
.mapnote{margin-top:12px;font-size:12.5px;color:var(--dim);line-height:1.7}
.mapnote b{color:var(--muted)}

/* ---------------- 指标条 ---------------- */
.metrics{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-top:6px}
.metric{background:var(--panel-2);border:1px solid var(--line);border-radius:11px;padding:13px 15px}
.metric .lbl{font-size:12px;letter-spacing:.04em;color:var(--muted);display:flex;justify-content:space-between;gap:8px}
.metric .lbl b{color:#fff}
.bar{height:7px;border-radius:99px;background:#0d1620;margin-top:10px;overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--red),var(--gold))}

/* ---------------- 报点索引 ---------------- */
.collist{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px;margin-top:10px}
.co{display:flex;align-items:center;gap:8px;background:var(--panel-2);border:1px solid var(--line);
  border-radius:9px;padding:9px 11px;font-size:13.5px}
.co .sw{width:8px;height:8px;border-radius:50%;flex:0 0 8px}
.co span{color:var(--muted);font-size:11px;margin-left:auto;letter-spacing:.04em}

/* ---------------- 地图间导航 ---------------- */
.mapnav{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.mapnav a{flex:1;min-width:220px;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;background:var(--panel);transition:.15s}
.mapnav a:hover{border-color:var(--line-strong);background:var(--panel-2)}
.mapnav small{display:block;color:var(--dim);font-size:12px;margin-bottom:5px}
.mapnav b{font-family:var(--display);font-size:18px}
.mapnav .next{text-align:right}

/* ---------------- 通用两栏 / 键值 ---------------- */
.two{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.kv{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.kv:last-child{border-bottom:0}
.kv span{color:var(--muted);min-width:140px}
.kv b{color:#fff;margin-left:auto;text-align:right}
.tagrow{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}

footer{border-top:1px solid var(--line);margin-top:44px;padding:30px 0;color:var(--dim);font-size:12.5px;line-height:1.9}
footer .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
footer a{color:var(--muted)}
footer a:hover{color:var(--red-2)}

/* ---------------- Hero 按钮 ---------------- */
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 20px;border-radius:10px;
  font-weight:800;font-size:14px;border:1px solid transparent;transition:.15s;position:relative}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-2)}
.btn-primary::before{content:"";width:3px;height:16px;background:rgba(255,255,255,.85);border-radius:2px}
.btn-ghost{border-color:var(--line-strong);color:var(--text);background:rgba(11,19,27,.5)}
.btn-ghost:hover{background:var(--panel);border-color:#4a5a6a}

/* ---------------- 视频（平台内嵌 + 点击加载） ---------------- */
.vgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:20px}
.vcard{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.vposter{position:relative;display:block;width:100%;aspect-ratio:16/9;background-size:cover;background-position:center;
  border:0;cursor:pointer;filter:brightness(.72);transition:filter .2s}
.vposter:hover{filter:brightness(.92)}
.vposter img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.vposter.is-placeholder{cursor:default;filter:grayscale(.55) brightness(.5)}
.vposter::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 42%,rgba(11,19,27,.75))}
.vplay{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;width:64px;height:64px;
  border-radius:50%;background:rgba(255,70,85,.92);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:22px;padding-left:4px;box-shadow:0 8px 24px rgba(0,0,0,.5);transition:transform .18s}
.vposter:hover .vplay{transform:translate(-50%,-50%) scale(1.08)}
.vplat{position:absolute;top:10px;left:10px;z-index:2;background:rgba(11,19,27,.82);border:1px solid var(--line);
  color:#fff;font-size:10.5px;letter-spacing:.16em;padding:4px 8px;border-radius:6px;font-weight:800}
.vph{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);z-index:2;color:#fff;font-size:13px;
  font-weight:800;letter-spacing:.06em;background:rgba(11,19,27,.66);border:1px dashed var(--line-strong);
  padding:8px 14px;border-radius:8px}
.vcard .vbody{padding:16px 18px 20px}
.vcard h3{margin:0 0 8px;font-size:17px;font-weight:800;line-height:1.35}
.vcard p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
.vframe{position:relative;width:100%;aspect-ratio:16/9;border:0;display:block;background:#000}

/* ---------------- 工具卡片 ---------------- */
.tgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px}
.tcard{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;transition:.15s}
.tcard:hover{border-color:var(--line-strong);background:var(--panel-2);transform:translateY(-3px);box-shadow:var(--shadow)}
.tcard h3{margin:12px 0 8px;font-size:19px;font-weight:800}
.tcard p{margin:0;color:var(--muted);font-size:14px;line-height:1.72}
.tcard .go{margin-top:auto;padding-top:16px;color:var(--red-2);font-weight:800;font-size:13.5px}
.tagchip{display:inline-block;align-self:flex-start;font-size:11px;font-weight:800;letter-spacing:.06em;
  padding:4px 10px;border-radius:6px;background:var(--panel-2);border:1px solid var(--line);color:var(--muted)}
.mt{margin-top:16px}

/* ---------------- 响应式 ---------------- */
@media(max-width:960px){
  .detail{grid-template-columns:1fr}
  .mapbox{position:static}
}
@media(max-width:700px){
  .two{grid-template-columns:1fr}
  section{padding:40px 0}
  .hero .wrap{padding:56px 20px 46px}
  .maphero .wrap{padding:36px 20px 32px}
  .panel{padding:18px}
  .topnav a{padding:7px 10px}
}
@media(max-width:420px){
  .wrap{padding:0 14px}
  .hero .stats{gap:22px}
  .grid{grid-template-columns:1fr}
  .legend button,.toolbtn{font-size:11.5px}
}

@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important;animation:none!important}
}

/* 打印 */
@media print{
  .topbar,.zoombar,.map-toolbar,.mapnav,footer,.progressbar{display:none!important}
  body{background:#fff;color:#000}
  .panel{border-color:#bbb;background:#fff}
}