/* 艽野尘梦 · 长卷 ——————————————————————————
   墨夜、雪、一点朱砂。字：霞鹜文楷。
—————————————————————————————————————————— */
/*FONTS*/
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/*/FONTS*/

:root{
  --ink:#121214;        /* 夜 */
  --ink-2:#18181c;
  --ink-3:#222228;
  --snow:#ece6d8;       /* 雪 */
  --snow-2:#cfc8b7;
  --mute:#8a8477;
  --mute-2:#5e5a52;
  --line:rgba(236,230,216,.14);
  --cin:#b4402f;        /* 朱砂 */
  --cin-2:#d0573f;
  --water:#86b9c9;      /* 石青 · 水 */
  --font:"WK","LXGW WenKai","霞鹜文楷","Kaiti SC","STKaiti","KaiTi","Songti SC","Noto Serif SC",serif;
  --font-m:"WKM",var(--font);
  --maxw:1120px;
  --gutter:clamp(16px,4vw,48px);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{box-sizing:border-box}
html{background:var(--ink);color:var(--snow);scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.9;letter-spacing:.02em;overflow-x:hidden;background:var(--ink)}
b,strong,h1,h2,h3,h4,th{font-family:var(--font-m)}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
::selection{background:var(--cin);color:var(--snow)}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.wrap.narrow{max-width:760px}
section{position:relative;padding:clamp(72px,12vh,140px) 0}
.kicker{margin:0 0 .6em;font-size:13px;letter-spacing:.5em;color:var(--cin-2);text-transform:none}
.kicker::before{content:"";display:inline-block;width:2.4em;height:1px;background:var(--cin);vertical-align:middle;margin-right:.8em}
h2.h-v{margin:0 0 .5em;font-weight:500;font-family:var(--font-m);font-size:clamp(30px,4.6vw,52px);line-height:1.25;letter-spacing:.08em}
.sub{margin:0 0 2.2em;max-width:60ch;color:var(--mute);font-size:15px;line-height:1.95}
.prose p{margin:0 0 1.4em;text-align:justify;text-justify:inter-ideograph}
.prose.small p{font-size:15px;color:var(--snow-2)}
.prose .note{color:var(--mute);font-size:14px}
.colophon{color:var(--mute);letter-spacing:.2em;font-size:13px}

/* 纸纹 / 颗粒 */
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:2;opacity:.06;mix-blend-mode:screen;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .9 0'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>")}

/* 雪 */
#snow{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:1;opacity:.9}

/* 顶栏 */
.top{position:fixed;z-index:20;top:0;left:0;right:0;display:flex;align-items:center;justify-content:space-between;padding:14px var(--gutter);
  background:linear-gradient(to bottom,rgba(18,18,20,.85),rgba(18,18,20,0));transition:transform .4s var(--ease)}
.top.hide{transform:translateY(-110%)}
.mark{width:34px;height:34px;display:grid;place-items:center;background:var(--cin);color:var(--snow);border-radius:4px;font-size:21px;font-weight:500;font-family:var(--font-m);line-height:1}
.nav{display:flex;gap:clamp(10px,2.2vw,26px);font-size:14px;letter-spacing:.2em;color:var(--snow-2)}
.nav a{padding:4px 2px;border-bottom:1px solid transparent;transition:color .3s,border-color .3s}
.nav a:hover,.nav a.on{color:var(--snow);border-color:var(--cin)}
.nav-read{color:var(--cin-2)}
.wind{display:flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.3em;color:var(--mute);padding:6px 4px 6px 10px}
.wind[aria-pressed="true"]{color:var(--snow)}
.wind-ico{display:inline-flex;flex-direction:column;gap:3px;width:18px}
.wind-ico i{display:block;height:1px;background:currentColor;opacity:.7;transform-origin:left;transition:transform .5s}
.wind-ico i:nth-child(2){width:70%}.wind-ico i:nth-child(3){width:45%}
.wind[aria-pressed="true"] .wind-ico i{animation:gust 1.6s infinite ease-in-out}
.wind[aria-pressed="true"] .wind-ico i:nth-child(2){animation-delay:.2s}.wind[aria-pressed="true"] .wind-ico i:nth-child(3){animation-delay:.4s}
@keyframes gust{0%,100%{transform:scaleX(1)}50%{transform:scaleX(.5)}}

/* 侧边计数 */
.tally{position:fixed;z-index:15;right:var(--gutter);bottom:28px;text-align:right;color:var(--mute);font-size:12px;letter-spacing:.3em;opacity:0;transform:translateY(8px);transition:opacity .5s,transform .5s;pointer-events:none}
.tally.show{opacity:1;transform:none}
.tally-row{line-height:1.2;margin-top:6px}
.tally b{font-weight:500;font-family:var(--font-m);font-size:28px;color:var(--snow);letter-spacing:.02em;margin-right:6px;font-variant-numeric:tabular-nums}
.tally.alarm b{color:var(--cin-2)}

/* ========== 首屏 ========== */
.hero{min-height:100svh;padding:0;display:grid;align-items:center;overflow:hidden}
.hero-art{position:absolute;inset:0;z-index:0}
/* 木刻是纸白底：当作一张印在夜色里的版画，四边渐隐 */
.hero-img{width:100%;height:100%;object-fit:cover;object-position:center 55%;opacity:0;filter:sepia(.22) brightness(.94) contrast(1.04);transition:opacity 1.8s var(--ease);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent),linear-gradient(180deg,transparent,#000 8%,#000 70%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent),linear-gradient(180deg,transparent,#000 8%,#000 70%,transparent);
  -webkit-mask-composite:source-in;mask-composite:intersect}
.hero-img.ok{opacity:1}
.hero-art::after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,rgba(18,18,20,0) 55%,var(--ink) 100%)}
.hero-text{position:relative;z-index:3;display:flex;align-items:flex-start;justify-content:flex-end;gap:clamp(16px,3vw,40px);padding:10vh var(--gutter) 22vh;max-width:var(--maxw);margin:0 auto;width:100%}
.hero-title{margin:0;writing-mode:vertical-rl;text-orientation:upright;white-space:nowrap;font-weight:500;font-family:var(--font-m);font-size:clamp(64px,13vw,150px);line-height:1;letter-spacing:.18em;color:#1c1a18}
.mark{box-shadow:0 2px 10px rgba(0,0,0,.35)}
.hero-title span{display:inline-block;opacity:0;transform:translateY(-14px);transition:opacity 1.2s var(--ease),transform 1.2s var(--ease)}
.ready .hero-title span{opacity:1;transform:none}
.hero-title span:nth-child(1){transition-delay:.2s}.hero-title span:nth-child(2){transition-delay:.5s}.hero-title span:nth-child(3){transition-delay:.8s}.hero-title span:nth-child(4){transition-delay:1.1s}
.hero-sub{margin:0;writing-mode:vertical-rl;text-orientation:upright;font-size:clamp(16px,2.1vw,24px);letter-spacing:.5em;color:#4a4640;line-height:2;opacity:0;animation:fade 1.4s 1.6s var(--ease) forwards;padding-top:.6em}
.hero-meta{position:absolute;left:var(--gutter);bottom:14vh;margin:0;font-size:14px;letter-spacing:.3em;line-height:2;color:var(--snow-2);opacity:0;animation:fade 1.4s 2.2s var(--ease) forwards}
.hero-meta small{font-size:12px;color:var(--mute);letter-spacing:.2em}
@keyframes fade{to{opacity:1}}
.hero-hint{position:absolute;z-index:3;left:50%;bottom:28px;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font-size:12px;letter-spacing:.4em;color:var(--mute);opacity:0;animation:fade 1.2s 3s forwards}
.hero-hint i{width:1px;height:46px;background:linear-gradient(var(--snow-2),transparent);animation:slide 2.2s infinite}
@keyframes slide{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* ========== 数 ========== */
.nums{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2px;margin-top:1em;border:1px solid var(--line)}
.num{padding:clamp(22px,3vw,36px);border:1px solid var(--line);background:rgba(255,255,255,.012);min-height:190px;display:flex;flex-direction:column;justify-content:space-between;gap:18px}
.num-line{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;font-variant-numeric:tabular-nums}
.num b{font-weight:500;font-family:var(--font-m);font-size:clamp(44px,5.4vw,66px);line-height:1;letter-spacing:-.01em;color:var(--snow)}
.num b.to{color:var(--cin-2)}
.num .arrow{color:var(--mute);font-size:22px;transform:translateY(-6px)}
.num .unit{color:var(--snow-2);font-size:15px;letter-spacing:.2em}
.num .approx{color:var(--mute);font-size:14px;margin-right:-6px}
.num p{margin:0;font-size:14px;color:var(--mute);line-height:1.8}
.num .bar{height:2px;background:var(--line);position:relative;overflow:hidden}
.num .bar i{position:absolute;left:0;top:0;bottom:0;background:var(--snow-2);width:100%;transform-origin:left;transition:transform 2.4s var(--ease)}
.num .bar i.cin{background:var(--cin)}

/* ========== 路 ========== */
.map-stage{position:relative;margin-top:1em}
.map-sticky{position:relative;height:100svh;z-index:1}
.map-inner{height:100%;display:flex;flex-direction:column;gap:8px;padding:60px var(--gutter) 12px;max-width:1720px;margin:0 auto}
.map-box{width:100%;max-width:1200px;margin:0 auto;flex:1 1 auto;min-height:0;display:flex;align-items:center}
.map-box svg{width:100%;height:auto;max-height:100%;display:block;overflow:visible}
.map-caption{flex:0 0 auto;width:100%;font-size:14px;color:var(--mute);min-height:2.5em;letter-spacing:.1em;line-height:1.7}
.map-caption b{font-weight:500;font-family:var(--font-m);color:var(--snow);font-size:18px;margin-right:12px}
.map-steps{display:none}
/* svg 内部样式 */
.m-grid{stroke:var(--line);stroke-width:.6;fill:none}
.m-land{fill:none;stroke:rgba(236,230,216,.08);stroke-width:1}
.m-river{fill:none;stroke:rgba(236,230,216,.14);stroke-width:1.2;stroke-linecap:round}
.m-path{fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.m-path.west{stroke:var(--cin-2)}
.m-path.back{stroke:var(--snow)}
.m-path.ghost{stroke-opacity:.12;stroke-width:1}
.m-path.lost{stroke-dasharray:3 6}
.m-node{fill:var(--ink);stroke:var(--snow-2);stroke-width:1.2;opacity:0;transition:opacity .4s}
.m-node.on{opacity:1}
.m-node.west{stroke:var(--cin-2)}
.m-node.here{stroke:var(--snow);stroke-width:2}
.m-pulse{fill:none;stroke:var(--snow);stroke-width:1;opacity:0}
.m-pulse.on{animation:pulse 1.8s infinite}
@keyframes pulse{0%{r:4;opacity:.8}100%{r:22;opacity:0}}
.m-label{font-family:var(--font);font-size:12.5px;fill:var(--snow-2);letter-spacing:.06em;opacity:0;transition:opacity .5s}
.m-label.big{font-size:14.5px;fill:var(--snow)}
.m-label.on{opacity:1}
.m-label.dim{opacity:.35}
.m-people{font-family:var(--font);font-size:11px;fill:var(--cin-2);letter-spacing:.1em;opacity:0;transition:opacity .5s}
.m-people.on{opacity:1}
.m-region{font-family:var(--font);font-size:22px;fill:rgba(236,230,216,.1);letter-spacing:.6em}
.m-legend{font-family:var(--font);font-size:12px;fill:var(--mute);letter-spacing:.15em}

/* ========== 章 ========== */
#chapters{margin-top:1em}
.ch{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(24px,4vw,64px);align-items:center;max-width:1280px;margin:0 auto;padding:clamp(64px,10vh,120px) var(--gutter);border-top:1px solid var(--line)}
.ch:nth-child(even) .ch-art{order:2}
.ch-art{position:relative;aspect-ratio:16/9;overflow:hidden}
.ch-art img{width:100%;height:100%;object-fit:cover;object-position:center;opacity:0;transform:scale(1.03);transition:opacity 1.4s var(--ease),transform 5s var(--ease);filter:sepia(.22) brightness(.93) contrast(1.04);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent),linear-gradient(180deg,transparent,#000 9%,#000 91%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 9%,#000 91%,transparent),linear-gradient(180deg,transparent,#000 9%,#000 91%,transparent);
  -webkit-mask-composite:source-in;mask-composite:intersect}
.ch.in .ch-art img.ok{opacity:1;transform:none}
.ch-body{position:relative;z-index:1;display:grid;grid-template-columns:auto 1fr;gap:clamp(18px,2.4vw,36px);align-items:end}
.ch-num{writing-mode:vertical-rl;text-orientation:upright;font-size:clamp(34px,4.5vw,56px);font-weight:500;font-family:var(--font-m);letter-spacing:.2em;color:var(--snow);line-height:1;opacity:0;transform:translateY(16px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.ch-num small{display:block;font-size:12px;letter-spacing:.5em;color:var(--cin-2);margin-top:.9em}
.ch.in .ch-num{opacity:1;transform:none}
.ch-main{max-width:680px;opacity:0;transform:translateY(20px);transition:opacity 1s .15s var(--ease),transform 1s .15s var(--ease)}
.ch.in .ch-main{opacity:1;transform:none}
.ch-title{margin:0 0 .25em;font-weight:500;font-family:var(--font-m);font-size:clamp(28px,4vw,46px);letter-spacing:.1em;line-height:1.2}
.ch-place{margin:0 0 1.4em;color:var(--mute);font-size:13.5px;letter-spacing:.15em}
.ch-place i{font-style:normal;color:var(--mute-2);margin-left:1em}
.ch-quote{margin:0 0 1.2em;padding-left:18px;border-left:2px solid var(--cin);font-size:clamp(17px,1.6vw,21px);line-height:1.8;color:var(--snow)}
.ch-lead{margin:0 0 1.6em;color:var(--snow-2);font-size:15.5px;line-height:2;text-align:justify}
.ch-read{display:inline-flex;align-items:center;gap:10px;font-size:14px;letter-spacing:.3em;color:var(--snow-2);padding:8px 0;border-bottom:1px solid var(--line);transition:color .3s,border-color .3s}
.ch-read:hover{color:var(--snow);border-color:var(--cin)}
.ch-read i{font-style:normal;transition:transform .3s}
.ch-read:hover i{transform:translateX(4px)}

/* ========== 西原 ========== */
.xy-list{list-style:none;margin:0;padding:0 0 0 28px;position:relative}
.xy-list::before{content:"";position:absolute;left:4px;top:8px;bottom:8px;width:1px;background:linear-gradient(var(--cin),var(--cin) 85%,transparent)}
.xy-item{position:relative;margin:0 0 2.4em;opacity:0;transform:translateY(14px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.xy-item.in{opacity:1;transform:none}
.xy-item::before{content:"";position:absolute;left:-28px;top:.65em;width:9px;height:9px;border-radius:50%;background:var(--ink);border:1.5px solid var(--cin);transform:translateX(-0px)}
.xy-item:last-child::before{background:var(--cin)}
.xy-where{margin:0 0 .3em;font-size:13px;letter-spacing:.2em;color:var(--mute)}
.xy-where b{font-weight:400;font-family:var(--font);color:var(--cin-2);margin-right:1em}
.xy-text{margin:0;font-size:clamp(16px,1.5vw,18.5px);line-height:2;color:var(--snow);text-align:justify}
.xy-end{margin:3em 0 0;color:var(--mute);font-size:14px}

/* ========== 物 ========== */
/* 物 / 人 · 木刻卡片 */
.objs,.people{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:clamp(14px,2vw,26px);margin-top:1em}
.card{position:relative;text-align:left;padding:0;display:flex;flex-direction:column;gap:12px;opacity:0;transform:translateY(14px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.card.in{opacity:1;transform:none}
.card-art{display:block;aspect-ratio:1/1;position:relative;overflow:hidden;background:var(--ink-2);border:1px solid var(--line)}
.card-art img{width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.03);transition:opacity 1s var(--ease),transform .9s var(--ease);filter:sepia(.22) brightness(.9) contrast(1.04);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent),linear-gradient(180deg,transparent,#000 10%,#000 90%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 10%,#000 90%,transparent),linear-gradient(180deg,transparent,#000 10%,#000 90%,transparent);
  -webkit-mask-composite:source-in;mask-composite:intersect}
.card-art img.ok{opacity:1}
.card:hover .card-art img{transform:scale(1)}
.card.noimg .card-art{display:none}
.card.noimg{border-top:1px solid var(--line);padding-top:14px;min-height:150px}
.card-body{display:flex;flex-direction:column;gap:4px;padding:0 2px 6px;position:relative}
.card-name{font-size:22px;font-weight:500;font-family:var(--font-m);letter-spacing:.1em;line-height:1.25;color:var(--snow)}
.card-sub{color:var(--mute);font-size:13px;letter-spacing:.08em;line-height:1.6}
.card-ch{position:absolute;right:2px;top:4px;font-size:11.5px;letter-spacing:.2em;color:var(--mute-2)}
.card-more{margin-top:6px;font-size:12px;letter-spacing:.3em;color:var(--cin-2);opacity:.75;transition:opacity .3s}
.card:hover .card-more{opacity:1}
/* 弹层：左图右文 */
.sheet{position:fixed;inset:0;z-index:40;display:none;align-items:center;justify-content:center;padding:var(--gutter)}
.sheet.open{display:flex}
.sheet-bg{position:absolute;inset:0;background:rgba(10,10,12,.8);backdrop-filter:blur(6px)}
.sheet-box{position:relative;max-width:980px;width:100%;max-height:92svh;overflow:auto;background:var(--ink-2);border:1px solid var(--line);display:grid;grid-template-columns:minmax(0,46%) 1fr;animation:up .5s var(--ease)}
.sheet.noimg .sheet-box{grid-template-columns:1fr;max-width:640px}
.sheet.noimg .sheet-art{display:none}
@keyframes up{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
.sheet-art{position:relative;aspect-ratio:1/1;background:#17171b;align-self:start}
.sheet-art img{width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .8s var(--ease);filter:sepia(.2) brightness(.95) contrast(1.04);
  -webkit-mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent),linear-gradient(180deg,transparent,#000 8%,#000 92%,transparent);
  mask-image:linear-gradient(90deg,transparent,#000 8%,#000 92%,transparent),linear-gradient(180deg,transparent,#000 8%,#000 92%,transparent);
  -webkit-mask-composite:source-in;mask-composite:intersect}
.sheet-art img.ok{opacity:1}
.sheet-txt{padding:clamp(28px,4vw,48px) clamp(28px,4vw,48px) clamp(24px,3vw,40px)}
.sheet-k{margin:0 0 .8em;font-size:12px;letter-spacing:.4em;color:var(--cin-2)}
.sheet-box h3{margin:0 0 .2em;font-weight:500;font-family:var(--font-m);font-size:clamp(28px,3vw,36px);letter-spacing:.1em;line-height:1.2}
.sheet-box .obj-sub{margin:0 0 1.4em;color:var(--mute);font-size:13.5px;letter-spacing:.1em}
.sheet-box p.t{margin:0;font-size:16.5px;line-height:2;text-align:justify;color:var(--snow)}
.sheet-nav{margin:2em 0 0;display:flex;justify-content:space-between;gap:12px}
.sheet-nav button{font-size:13px;letter-spacing:.2em;color:var(--mute);padding:6px 0;border-bottom:1px solid transparent}
.sheet-nav button:hover{color:var(--snow);border-color:var(--cin)}
.sheet-x{position:absolute;right:10px;top:6px;z-index:2;font-size:30px;line-height:1;color:var(--snow-2);padding:6px 10px;text-shadow:0 1px 4px rgba(0,0,0,.6)}
.sheet-x:hover{color:var(--snow)}
@media (max-width:720px){
  .sheet{padding:0;align-items:end}
  .sheet-box{grid-template-columns:1fr;max-height:94svh;border-left:0;border-right:0}
  .sheet-art{max-height:52svh;aspect-ratio:auto;height:52svh}
  .objs,.people{grid-template-columns:repeat(2,1fr);gap:14px 12px}
  .card-name{font-size:19px}
}

/* ========== 火 ========== */
.huo{background:radial-gradient(ellipse at 50% 70%,#17161a,var(--ink) 70%)}
.match-stage{max-width:820px;margin:0 auto;padding:0 var(--gutter)}
.match-dark{position:relative;min-height:300px;display:grid;place-items:center;text-align:center;padding:40px 24px;border:1px solid var(--line);background:#0c0c0e;overflow:hidden;transition:background 1.2s}
.match-dark.lit{background:radial-gradient(ellipse at 50% 100%,rgba(255,170,80,.22),rgba(12,12,14,0) 60%),#0c0c0e}
.match-text{margin:0;font-size:clamp(17px,1.8vw,21px);line-height:2;color:var(--snow);max-width:34em;text-align:justify;opacity:.35;transition:opacity 1.2s}
.match-text small{display:block;text-align:center;color:var(--mute);font-size:13px;letter-spacing:.3em;margin-top:1em}
.match-dark.lit .match-text{opacity:1;animation:flicker 2.4s ease-in-out}
@keyframes flicker{0%{opacity:0}8%{opacity:1}14%{opacity:.75}20%{opacity:1}100%{opacity:1}}
.match-dark.out .match-text{opacity:.28}
.match-row{display:flex;flex-wrap:wrap;gap:10px 6px;justify-content:center;padding:26px 6px 10px}
.match{width:14px;height:64px;position:relative;padding:0;transition:transform .3s,opacity .6s}
.match::before{content:"";position:absolute;left:6px;top:10px;bottom:0;width:2px;background:#c9b68f}
.match::after{content:"";position:absolute;left:3px;top:2px;width:8px;height:12px;border-radius:50% 50% 45% 45%;background:#5a2a22}
.match:hover{transform:translateY(-4px)}
.match.used{opacity:.18;pointer-events:none}
.match.used::after{background:#2a2a2d}
.match.lit::after{background:#ffb347;box-shadow:0 0 14px 6px rgba(255,160,60,.6);animation:burn 1.6s forwards}
@keyframes burn{0%{background:#fff0c0;box-shadow:0 0 22px 10px rgba(255,190,90,.9)}60%{background:#ff8c3a;box-shadow:0 0 10px 4px rgba(255,140,50,.5)}100%{background:#2a2a2d;box-shadow:none}}
.match.last::after{background:#7a3a30}
.match-foot{text-align:center;color:var(--mute);font-size:13px;letter-spacing:.3em;font-variant-numeric:tabular-nums}
.match-foot span{color:var(--snow);font-size:18px;margin-right:4px}

/* ========== 人 ========== */
.ren .sub{margin-bottom:0}

/* ========== 读 / 跋 ========== */
.btn-read{display:inline-flex;align-items:center;gap:14px;padding:16px 28px;border:1px solid var(--cin);color:var(--snow);font-size:16px;letter-spacing:.3em;transition:background .3s,color .3s}
.btn-read:hover{background:var(--cin)}
.btn-read i{font-style:normal}
.ba{margin-top:clamp(80px,14vh,160px);padding-top:clamp(40px,6vh,72px);border-top:1px solid var(--line)}

/* ========== 响应 ========== */
@media (max-width:820px){
  body{font-size:16px}
  .nav{gap:12px;font-size:13px;letter-spacing:.1em}
  .nav a:nth-child(5),.nav a:nth-child(6){display:none}
  .wind-txt{display:none}
  .tally{bottom:18px;right:14px}
  .tally b{font-size:22px}
  .hero{align-items:start}
  .hero-text{padding:12vh var(--gutter) 30vh;justify-content:flex-end}
  .hero-title{font-size:clamp(60px,18vw,110px)}
  .hero-meta{bottom:16vh;font-size:12.5px}
  .ch{grid-template-columns:1fr;gap:14px;padding:44px var(--gutter) 56px}
  .ch:nth-child(even) .ch-art{order:0}
  .ch-art{margin:0 calc(-1 * var(--gutter))}
  .ch-body{grid-template-columns:1fr;gap:8px}
  .ch-num{writing-mode:horizontal-tb;text-orientation:mixed;font-size:28px;display:flex;align-items:baseline;gap:14px}
  .ch-num small{margin:0}
  .m-label{font-size:16px}.m-label.big{font-size:19px}.m-people{font-size:14px}
  .map-box svg{min-width:0}
}
@media (max-width:520px){
  .nav a:nth-child(1),.nav a:nth-child(7){display:none}
  .nums{grid-template-columns:1fr}
  .match{width:12px;height:54px}
}
@media (prefers-reduced-motion:reduce){
  .hero-title span,.hero-sub,.hero-meta,.hero-hint{animation:none;opacity:1;transform:none}
  .ch-art img,.ch-num,.ch-main,.xy-item{transition:none}
  #snow{display:none}
}

/* ========== 路 · 三维地形（第二版） ========== */
.map3d{position:relative;flex:1 1 auto;min-height:0;width:100%;display:none;border:1px solid var(--line);overflow:hidden;background:var(--ink)}
.map3d.ready{display:block}
.map3d.fail{display:none!important}
.map3d canvas{display:block;width:100%!important;height:100%!important;cursor:grab;outline:0}
.map3d.grab canvas{cursor:grabbing}
.map3d.ready ~ .map-box{display:none}
.m3-labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.m3-label,.m3-feat,.m3-region{position:absolute;left:0;top:0;transform:translate(-1000px,-1000px);white-space:nowrap;opacity:0;transition:opacity .45s;pointer-events:none;line-height:1.3;padding:0;text-shadow:0 1px 5px rgba(8,8,10,.95),0 0 2px rgba(8,8,10,.9)}
.m3-label{font-size:12.5px;letter-spacing:.08em;color:var(--snow-2)}
.m3-label.on{opacity:.62;pointer-events:auto}
.m3-label.big{font-size:14px;color:var(--snow)}
.m3-label.big.on{opacity:.92}
.m3-label.here{opacity:1!important;color:var(--snow);font-size:16.5px}
.m3-label.west.here{color:#f0876f}
.m3-label em{font-style:normal;color:#ec7a62;font-size:11px;margin-left:8px;letter-spacing:.1em}
.m3-label:hover{opacity:1}
.m3-feat.on{opacity:1}
.m3-feat.river,.m3-feat.lake{font-size:12px;letter-spacing:.26em;color:var(--water);pointer-events:none}
.m3-feat.lake{color:#a9d6e2}
.m3-feat.peak{font-size:11.5px;letter-spacing:.1em;color:var(--snow-2)}
.m3-feat.peak i{font-style:normal;font-size:8px;margin-right:4px;color:var(--snow);vertical-align:1px}
.m3-feat.peak small{font-size:10px;color:var(--mute);margin-left:5px;letter-spacing:0}
.m3-feat.river.on,.m3-feat.lake.on,.m3-feat.peak.on{pointer-events:auto;cursor:pointer}
.m3-feat.river:hover,.m3-feat.lake:hover{color:#d6f1f8}
.m3-feat.peak:hover{color:var(--snow)}
.m3-feat.range{font-size:14px;letter-spacing:.7em;color:rgba(236,230,216,.4);text-shadow:0 1px 6px rgba(8,8,10,.8)}
.m3-feat.range.on{opacity:1}
.m3-region{font-size:21px;letter-spacing:.6em;color:rgba(236,230,216,.17);text-shadow:none}
.m3-region.on{opacity:1}

.map3d::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background:radial-gradient(120% 90% at 0% 0%,rgba(14,14,16,.82) 0%,rgba(14,14,16,.45) 22%,rgba(14,14,16,0) 46%),linear-gradient(to bottom,rgba(14,14,16,.5),rgba(14,14,16,0) 16%),linear-gradient(to top,rgba(14,14,16,.6),rgba(14,14,16,0) 14%)}
.m3-labels{z-index:2}
.m3-hud,.m3-tools,.m3-legend,.m3-hint,.m3-card{z-index:3}
/* 读数 */
.m3-hud{position:absolute;left:18px;top:14px;pointer-events:none;text-shadow:0 1px 8px rgba(8,8,10,.95)}
.m3-hud b{display:block;font-weight:500;font-family:var(--font-m);font-size:clamp(24px,2.6vw,36px);letter-spacing:.14em;line-height:1.2;color:var(--snow)}
.m3-hud b.in{animation:hudin .7s var(--ease)}
@keyframes hudin{from{transform:translateY(7px)}to{transform:none}}
.m3-hud[data-phase="west"] b{color:#f0876f}
.m3-hud.lost b{color:var(--mute);letter-spacing:.4em}
.hud-nums{margin:8px 0 0;display:flex;gap:18px;font-size:12px;color:var(--mute);letter-spacing:.2em}
.hud-nums i{font-style:normal}
.hud-nums em{font-style:normal;font-size:19px;color:var(--snow);letter-spacing:.02em;margin:0 5px;font-variant-numeric:tabular-nums}
.hud-note{margin:5px 0 0;font-size:13px;letter-spacing:.16em;color:var(--snow-2)}
.m3-hud[data-phase="back"] .hud-note{color:#ec7a62}
.m3-hud[data-phase="ret"] .hud-note{color:var(--mute)}

/* 工具 */
.m3-tools{position:absolute;right:12px;top:12px;display:flex;gap:8px;align-items:center;font-size:12px;letter-spacing:.24em}
.m3-tools button{color:var(--mute);padding:6px 9px 6px 12px;background:rgba(18,18,20,.62);border:1px solid var(--line);line-height:1.2;transition:color .3s,border-color .3s,background .3s;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.m3-tools button:hover{color:var(--snow)}
.m3-views{display:flex}
.m3-views button + button{border-left:0}
.m3-views button[aria-pressed="true"]{color:var(--snow);background:rgba(180,64,47,.34);border-color:rgba(208,87,63,.55)}
.m3-zoom{display:flex}
.m3-zoom button{padding:6px 10px;letter-spacing:0}
.m3-zoom button + button{border-left:0}
.m3-full[aria-pressed="true"]{color:var(--snow);border-color:var(--cin-2)}
.m3-legend{position:absolute;left:16px;bottom:10px;margin:0;font-size:11px;letter-spacing:.16em;color:var(--mute);display:flex;align-items:center;gap:6px;pointer-events:none;text-shadow:0 1px 5px rgba(8,8,10,.9)}
.m3-legend .lg{display:inline-block;width:20px;height:2px;margin-left:10px;background:var(--snow)}
.m3-legend .lg:first-child{margin-left:0}
.m3-legend .lg.west{background:var(--cin-2)}
.m3-legend .lg.lost{background:repeating-linear-gradient(90deg,var(--snow) 0 4px,transparent 4px 8px)}
.m3-legend .lg.water{background:var(--water)}
.m3-hint{position:absolute;right:14px;bottom:10px;font-size:11px;letter-spacing:.14em;color:var(--mute-2);pointer-events:none;text-shadow:0 1px 5px rgba(8,8,10,.9)}

/* 说明卡 */
.m3-card{position:absolute;right:14px;bottom:38px;width:min(330px,calc(100% - 28px));background:rgba(20,20,23,.9);border:1px solid var(--line);border-left:2px solid var(--water);padding:16px 18px 14px;opacity:0;transform:translateY(10px);transition:opacity .35s,transform .35s var(--ease);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.m3-card.on{opacity:1;transform:none}
.m3-card-k{margin:0;font-size:11px;letter-spacing:.5em;color:var(--water)}
.m3-card h3{margin:2px 0 8px;font-weight:500;font-family:var(--font-m);font-size:22px;letter-spacing:.16em}
.m3-card-q{margin:0 0 8px;font-size:14.5px;line-height:1.85;color:var(--snow)}
.m3-card-t{margin:0 0 6px;font-size:13px;line-height:1.8;color:var(--snow-2)}
.m3-card-f{margin:0 0 10px;font-size:11.5px;letter-spacing:.1em;color:var(--mute)}
.m3-card-x{position:absolute;right:8px;top:4px;font-size:18px;color:var(--mute);padding:4px 8px}
.m3-card-x:hover{color:var(--snow)}
.m3-card-back{font-size:12px;letter-spacing:.24em;color:var(--mute);border-bottom:1px solid var(--line);padding:0 0 2px}
.m3-card-back:hover{color:var(--snow);border-color:var(--cin-2)}

/* 海拔剖面 */
.m3-bar{display:flex;gap:10px;align-items:stretch;flex:0 0 auto;height:clamp(84px,13svh,118px)}
.m3-play{flex:0 0 auto;width:58px;border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;font-size:12px;letter-spacing:.2em;color:var(--snow-2);transition:color .3s,border-color .3s,background .3s}
.m3-play span{writing-mode:vertical-rl;text-orientation:upright}
.m3-play i{display:block;width:0;height:0;border-style:solid;border-width:6px 0 6px 10px;border-color:transparent transparent transparent var(--cin-2)}
.m3-play[aria-pressed="true"] i{width:10px;height:12px;border:0;border-left:3px solid var(--cin-2);border-right:3px solid var(--cin-2)}
.m3-play:hover,.m3-play[aria-pressed="true"]{color:var(--snow);border-color:rgba(208,87,63,.6);background:rgba(180,64,47,.12)}
.m3-profile{flex:1 1 auto;min-width:0;position:relative;cursor:ew-resize;touch-action:pan-y;border:1px solid var(--line);outline:0;user-select:none;-webkit-user-select:none;overflow:hidden}
.m3-profile:focus-visible{border-color:var(--cin-2)}
.m3-profile svg{position:absolute;inset:0;width:100%;height:100%;display:block}
.pf-grid line{stroke:var(--line);stroke-width:1;stroke-dasharray:2 5}
.pf-grid text{fill:var(--mute-2);font-size:10px;letter-spacing:0}
.pf-area{fill:rgba(236,230,216,.035);stroke:none}
.pf-area.lit{fill:rgba(236,230,216,.075)}
.pf-line{fill:none;stroke-width:1.4;stroke-linejoin:round;stroke-linecap:round}
.pf-line.west{stroke:var(--cin-2)}
.pf-line.back{stroke:var(--snow)}
.pf-line.ret{stroke:var(--mute);stroke-dasharray:1 4}
.pf-line.lost{stroke-dasharray:5 4}
.pf-dim .pf-line{opacity:.3}
.pf-names text{font-size:11px;fill:var(--mute);letter-spacing:.06em;paint-order:stroke;stroke:var(--ink);stroke-width:3px}
.pf-names text.west{fill:#c9806f}
.pf-names text.back{fill:var(--snow-2)}
.pf-names text.pf-ret{font-size:10px;fill:var(--mute-2)}
.pf-dot{fill:var(--mute-2)}
.pf-dot.key.west{fill:var(--cin-2)}
.pf-dot.key.back{fill:var(--snow-2)}
.pf-cursor{position:absolute;left:0;top:0;bottom:0;width:0;pointer-events:none;--y:50%}
.pf-cursor::before{content:"";position:absolute;left:-.5px;top:0;bottom:0;width:1px;background:linear-gradient(to bottom,transparent,var(--cin-2) 18%,var(--cin-2))}
.pf-cursor i{position:absolute;left:-5px;top:calc(var(--y) - 5px);width:10px;height:10px;border-radius:50%;background:var(--cin-2);box-shadow:0 0 0 4px rgba(208,87,63,.25),0 0 14px rgba(208,87,63,.8)}
.pf-cursor.back::before{background:linear-gradient(to bottom,transparent,var(--snow) 18%,var(--snow))}
.pf-cursor.back i{background:var(--snow);box-shadow:0 0 0 4px rgba(236,230,216,.2),0 0 14px rgba(236,230,216,.7)}
.map-stage.lost .pf-cursor i{animation:lostblink 1.6s ease-in-out infinite}
@keyframes lostblink{50%{opacity:.35}}
.map-caption.in b,.map-caption.in span{animation:hudin .8s var(--ease)}
.map-stage.no-journey .m3-bar{display:none}

/* 展开：铺满屏幕自由看 */
html.map-explore{overflow:hidden}
html.map-explore .top,html.map-explore .tally,html.map-explore #snow{display:none}
.map-sticky.explore .map-inner{position:fixed;inset:0;z-index:60;background:var(--ink);padding:10px 12px 8px;max-width:none}
.map-sticky.explore .map-caption{display:none}

@media (max-width:820px){
  .map-inner{padding:56px 10px 8px;gap:6px}
  .m3-label{font-size:11px}.m3-label.big{font-size:12px}.m3-label.here{font-size:14px}
  .m3-region{font-size:15px;letter-spacing:.4em}
  .m3-feat.range{font-size:12px;letter-spacing:.5em}
  .m3-hint,.m3-zoom{display:none}
  .m3-hud{left:12px;top:10px}
  .hud-nums{gap:12px;font-size:11px;margin-top:4px}.hud-nums em{font-size:16px}
  .hud-note{font-size:12px}
  .m3-tools{right:8px;top:8px;gap:6px;font-size:11px;letter-spacing:.12em;flex-direction:column;align-items:flex-end}
  .m3-tools button{padding:5px 7px 5px 9px}
  .m3-legend{left:10px;bottom:6px;font-size:10px;letter-spacing:.08em}.m3-legend .lg{width:14px;margin-left:6px}
  .m3-bar{height:76px;gap:6px}
  .m3-play{width:44px;font-size:11px}
  .map-caption{font-size:13px;min-height:4.4em;margin-top:2px}
  .map-caption b{display:block;font-size:16px}
  .m3-card{right:8px;left:8px;width:auto;bottom:30px;padding:12px 14px 10px}
}