*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,figcaption,blockquote,dl,dd,fieldset{margin:0;padding:0}
ul,ol{list-style:none}
img,svg,video{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
table{border-collapse:collapse;width:100%}
main{display:block}

:root{
  --ink-950:#07110F;
  --night-900:#0B1B2B;
  --paper-050:#F4F7F5;
  --paper-100:#E6EDE8;
  --cyan-400:#2BE3C4;
  --cyan-200:#9DF6E6;
  --amber-500:#F2B544;
  --amber-200:#F8DCA0;
  --slate-400:#7E918B;
  --slate-600:#43534E;
  --white:#FFFFFF;
  --font-display:"Noto Sans SC","Source Han Sans SC",system-ui,sans-serif;
  --font-editorial:"Noto Serif SC","Source Han Serif SC",Georgia,serif;
  --font-body:"Inter","Noto Sans SC",system-ui,sans-serif;
  --font-num:"JetBrains Mono","IBM Plex Mono",ui-monospace,monospace;
  --rail-w:264px;
  --topbar-h:60px;
  --gutter:clamp(16px,4vw,40px);
  --maxw:1180px;
  --line:rgba(255,255,255,.14);
  --line-strong:rgba(255,255,255,.24);
  --line-paper:#CFDCD5;
  --ease:cubic-bezier(.22,.61,.36,1);
}

body{
  background:var(--ink-950);
  color:var(--paper-050);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.65;
  letter-spacing:.01em;
  min-height:100vh;
  padding-top:var(--topbar-h);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.is-nav-open{overflow:hidden}
:focus-visible{outline:2px solid var(--cyan-200);outline-offset:3px;border-radius:2px}
#main-content{scroll-margin-top:calc(var(--topbar-h) + 12px)}

.sr-only{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ===== skip link ===== */
.skip-link{
  position:fixed;top:10px;left:10px;z-index:200;
  transform:translateY(-200%);
  background:var(--cyan-400);color:#04120F;
  padding:.6rem 1rem;border-radius:2px;
  font-family:var(--font-display);font-weight:700;font-size:.875rem;line-height:1;
  transition:transform .2s var(--ease);
}
.skip-link:focus,.skip-link:focus-visible{transform:none}

/* ===== header shell ===== */
.site-header{position:relative;z-index:60}

.railbar{
  position:fixed;top:0;left:0;right:0;height:var(--topbar-h);z-index:70;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:0 14px;
  background:rgba(7,17,15,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.railbar__brand{
  font-family:var(--font-display);font-weight:800;font-size:1.0625rem;
  letter-spacing:-.02em;color:var(--white);
}
.railbar__toggle{
  display:inline-flex;align-items:center;gap:.55rem;
  min-height:40px;padding:.45rem .75rem;
  border:1px solid var(--line-strong);border-radius:2px;
  font-family:var(--font-display);font-weight:700;font-size:.8125rem;color:var(--paper-050);
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.railbar__toggle:hover{border-color:var(--cyan-400);color:var(--cyan-200)}
.railbar__bars{position:relative;display:block;width:16px;height:2px;background:currentColor;transition:background .2s var(--ease)}
.railbar__bars::before,.railbar__bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;
  background:currentColor;transition:transform .22s var(--ease);
}
.railbar__bars::before{top:-5px}
.railbar__bars::after{top:5px}
[aria-expanded="true"] .railbar__bars{background:transparent}
[aria-expanded="true"] .railbar__bars::before{transform:translateY(5px) rotate(45deg)}
[aria-expanded="true"] .railbar__bars::after{transform:translateY(-5px) rotate(-45deg)}

.rail{
  position:fixed;top:0;left:0;bottom:0;z-index:80;
  width:min(84vw,300px);
  display:flex;flex-direction:column;
  overflow-y:auto;overscroll-behavior:contain;
  background:
    radial-gradient(120% 60% at 8% 0%,rgba(43,227,196,.12),transparent 62%),
    linear-gradient(180deg,#08150F 0%,#0B1B2B 64%,#07110F 100%);
  border-right:1px solid var(--line);
  transform:translateX(-102%);
  transition:transform .3s var(--ease);
}
.rail[data-open]{transform:none;box-shadow:0 24px 60px rgba(0,0,0,.6)}
.rail::after{
  content:"";position:absolute;left:0;right:0;bottom:52px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(43,227,196,.35),transparent);
  transform:rotate(-1.2deg);pointer-events:none;
}
.rail__progress{position:sticky;top:0;z-index:3;height:2px;background:rgba(255,255,255,.08)}
.rail__progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--cyan-400),var(--amber-500))}
.rail__inner{
  position:relative;display:flex;flex-direction:column;gap:1.1rem;
  min-height:calc(100% - 2px);
  padding:1.25rem 1.15rem 1.6rem;
}
.rail__close{
  position:absolute;top:.85rem;right:.85rem;
  width:34px;height:34px;display:grid;place-items:center;
  border:1px solid var(--line-strong);border-radius:2px;
  font-size:1.1rem;line-height:1;color:var(--paper-050);
}
.rail__close:hover{border-color:var(--cyan-400);color:var(--cyan-200)}
.rail__brand{display:flex;align-items:center;gap:.65rem;padding-right:2.5rem}
.rail__mark{
  display:grid;place-items:center;width:38px;height:38px;flex:0 0 38px;
  border:1px solid rgba(43,227,196,.55);border-radius:2px;
  background:rgba(43,227,196,.08);
  font-family:var(--font-num);font-size:.8125rem;letter-spacing:.06em;color:var(--cyan-400);
}
.rail__wordmark{display:grid;gap:.1rem}
.rail__wordmark-cn{font-family:var(--font-display);font-weight:800;font-size:1.0625rem;letter-spacing:-.02em;color:var(--white)}
.rail__wordmark-en{font-family:var(--font-num);font-size:.5625rem;letter-spacing:.22em;color:var(--slate-400)}
.rail__tag{
  font-size:.75rem;letter-spacing:.16em;color:var(--slate-400);
  padding-bottom:.9rem;border-bottom:1px solid var(--line);
}
.rail__league{display:grid;gap:.5rem}
.rail__league-label{font-family:var(--font-num);font-size:.625rem;letter-spacing:.2em;text-transform:uppercase;color:var(--slate-400)}
.seg{
  display:grid;grid-template-columns:repeat(3,1fr);gap:2px;
  padding:2px;border:1px solid var(--line-strong);border-radius:3px;
  background:rgba(255,255,255,.03);
}
.seg__btn{
  padding:.42rem .15rem;border-radius:2px;
  font-family:var(--font-display);font-weight:700;font-size:.75rem;line-height:1;
  color:rgba(244,247,245,.72);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.seg__btn:hover{color:var(--cyan-200)}
.seg__btn[aria-pressed="true"]{background:var(--cyan-400);color:#04120F}
.rail__league-state{font-family:var(--font-num);font-size:.6875rem;letter-spacing:.08em;color:var(--slate-400)}

.rail__nav{padding-top:.2rem}
.rail__list{display:grid;gap:1px}
.rail__link{
  position:relative;display:grid;grid-template-columns:1.9rem 1fr;align-items:baseline;gap:.3rem;
  padding:.55rem .5rem .55rem .78rem;border-radius:2px;
  font-family:var(--font-display);font-weight:500;font-size:.9375rem;line-height:1.3;
  color:rgba(244,247,245,.82);
  transition:color .2s var(--ease),background .2s var(--ease);
}
.rail__link::before{
  content:"";position:absolute;left:0;top:.5rem;bottom:.5rem;width:2px;
  background:transparent;transition:background .2s var(--ease);
}
.rail__link:hover{color:var(--cyan-200);background:rgba(255,255,255,.045)}
.rail__link[aria-current="page"]{color:var(--cyan-400);background:rgba(43,227,196,.09)}
.rail__link[aria-current="page"]::before{background:var(--cyan-400)}
.rail__num{font-family:var(--font-num);font-size:.6875rem;letter-spacing:.06em;color:var(--slate-400);transition:color .2s var(--ease)}
.rail__link[aria-current="page"] .rail__num,.rail__link:hover .rail__num{color:inherit}
.rail__label{letter-spacing:-.01em}

.rail__utility{
  margin-top:auto;display:grid;gap:.4rem;
  padding-top:1rem;border-top:1px solid var(--line);
}
.rail__util-link{
  font-family:var(--font-num);font-size:.75rem;letter-spacing:.06em;
  color:rgba(244,247,245,.72);padding-left:.9rem;position:relative;
  transition:color .2s var(--ease);
}
.rail__util-link::before{content:"›";position:absolute;left:0;color:var(--amber-500)}
.rail__util-link:hover{color:var(--cyan-200)}
.rail__cta{margin-top:.25rem}

.rail__scrim{
  position:fixed;inset:0;z-index:75;
  background:rgba(4,12,11,.74);
  opacity:0;pointer-events:none;
  transition:opacity .24s var(--ease);
}
.rail__scrim[data-open]{opacity:1;pointer-events:auto}

@media (min-width:1024px){
  :root{--topbar-h:0px}
  body{padding-top:0;padding-left:var(--rail-w)}
  .railbar{display:none}
  .rail{width:var(--rail-w);transform:none}
  .rail__close{display:none}
  .rail__scrim{display:none}
  .rail__inner{padding:1.5rem 1.25rem 1.75rem}
  #main-content{scroll-margin-top:16px}
}

/* ===== footer ===== */
.site-footer{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#07110F 0%,#0B1B2B 100%);
  border-top:1px solid rgba(43,227,196,.22);
  color:rgba(244,247,245,.78);
}
.site-footer::before{
  content:"";position:absolute;top:-30%;right:-6%;width:64%;height:150%;
  background:radial-gradient(closest-side,rgba(43,227,196,.13),transparent 72%);
  transform:rotate(-8deg);pointer-events:none;
}
.site-footer::after{
  content:"";position:absolute;left:-10%;bottom:22%;width:70%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(242,181,68,.4),transparent);
  transform:rotate(-1.4deg);pointer-events:none;
}
.footer__inner{
  position:relative;z-index:1;
  width:100%;max-width:var(--maxw);margin-inline:auto;
  padding:clamp(2rem,5vw,3.25rem) var(--gutter) 1.5rem;
}
.footer__head{
  display:flex;flex-wrap:wrap;gap:1.25rem;align-items:flex-end;justify-content:space-between;
  padding-bottom:1.5rem;border-bottom:1px solid var(--line);
}
.footer__id{max-width:34em}
.footer__brand{
  display:inline-block;
  font-family:var(--font-display);font-weight:800;font-size:1.5rem;letter-spacing:-.02em;
  color:var(--white);
}
.footer__summary{margin-top:.45rem;font-size:.9375rem;line-height:1.7;color:rgba(244,247,245,.7)}
.footer__stamp{
  display:inline-flex;align-items:baseline;gap:.55rem;
  padding:.5rem .8rem;border:1px dashed rgba(242,181,68,.55);border-radius:2px;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.footer__stamp:hover{border-color:var(--amber-500);background:rgba(242,181,68,.09)}
.footer__stamp-num{font-family:var(--font-num);font-size:1.9rem;line-height:1;color:var(--amber-500)}
.footer__stamp-txt{font-size:.75rem;letter-spacing:.12em;color:var(--amber-200)}
.footer__grid{display:grid;grid-template-columns:1fr;gap:1.75rem;padding-block:1.75rem}
.footer__group{min-width:0}
.footer__group-title{
  font-family:var(--font-num);font-size:.6875rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--cyan-400);
  margin-bottom:.75rem;
}
.footer__list{display:grid;gap:.5rem}
.footer__link{
  font-size:.9375rem;color:rgba(244,247,245,.8);
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.footer__link:hover{color:var(--cyan-200);border-color:currentColor}
.footer__link[aria-current="page"]{color:var(--cyan-400)}
.footer__list--contact{gap:.6rem}
.footer__contact{display:grid;gap:.1rem}
.footer__contact-key{font-family:var(--font-num);font-size:.625rem;letter-spacing:.16em;color:var(--slate-400)}
.footer__contact-val{font-size:.875rem;line-height:1.5;color:var(--paper-050);overflow-wrap:anywhere}
.footer__contact-val--mono{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.footer__base{
  display:flex;flex-wrap:wrap;gap:.6rem 1.5rem;align-items:center;justify-content:space-between;
  padding-top:1.25rem;border-top:1px solid var(--line);
  font-family:var(--font-num);font-size:.75rem;letter-spacing:.03em;color:var(--slate-400);
}
.footer__legal{margin:0}
.footer__note{margin:0}
.footer__top{color:var(--cyan-400);border-bottom:1px solid rgba(43,227,196,.4);transition:color .2s var(--ease)}
.footer__top:hover{color:var(--cyan-200)}

@media (min-width:640px){
  .footer__grid{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:1024px){
  .footer__grid{grid-template-columns:1.1fr .9fr .9fr 1.4fr;gap:2rem}
}

/* ===== layout骨架 ===== */
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gutter)}
.wrap--narrow{max-width:820px}
.section{padding-block:clamp(2.5rem,6vw,4.75rem)}
.section--paper{background:var(--paper-050);color:#0B1B2B}
.section--night{background:var(--night-900)}
.section--hair{border-top:1px solid var(--line)}
.grid{display:grid;gap:clamp(1rem,2.4vw,2rem)}
.grid--2,.grid--4,.grid--5-7,.grid--3-6-3{grid-template-columns:1fr}
.stack{display:grid;gap:1rem}
.stack--lg{gap:clamp(1.5rem,3vw,2.5rem)}
.cluster{display:flex;flex-wrap:wrap;gap:.65rem;align-items:center}
@media (min-width:760px){
  .grid--2{grid-template-columns:repeat(2,1fr)}
}
@media (min-width:900px){
  .grid--5-7{grid-template-columns:5fr 7fr}
  .grid--3-6-3{grid-template-columns:3fr 6fr 3fr}
  .grid--4{grid-template-columns:repeat(4,1fr)}
}

/* ===== 文字层 ===== */
.t-display{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(2.125rem,5.2vw,3.25rem);line-height:1.05;letter-spacing:-.02em;
  color:var(--white);
}
.t-section{
  font-family:var(--font-editorial);font-weight:700;
  font-size:clamp(1.4375rem,3vw,1.75rem);line-height:1.25;letter-spacing:-.01em;
  color:var(--white);
}
.t-sub{
  font-family:var(--font-display);font-weight:700;
  font-size:1.0625rem;line-height:1.4;letter-spacing:-.01em;
  color:var(--paper-050);
}
.t-lead{font-size:1.0625rem;line-height:1.7;color:rgba(244,247,245,.8);max-width:36em}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--font-num);font-size:.6875rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--cyan-400);
}
.eyebrow::before{content:"";width:22px;height:1px;background:currentColor}
.prose{max-width:36em}
.prose p{color:rgba(244,247,245,.78);line-height:1.75}
.prose p + p{margin-top:.9em}
.prose h2{
  font-family:var(--font-editorial);font-weight:700;font-size:1.375rem;line-height:1.3;
  color:var(--white);margin-top:2rem;margin-bottom:.6rem;
}
.prose h3{
  font-family:var(--font-display);font-weight:700;font-size:1rem;line-height:1.4;
  color:var(--cyan-200);margin-top:1.5rem;margin-bottom:.45rem;
}
.prose ul,.prose ol{display:grid;gap:.5rem;margin-top:.75rem}
.prose li{position:relative;padding-left:1.1rem;color:rgba(244,247,245,.78);line-height:1.7}
.prose li::before{content:"";position:absolute;left:0;top:.75em;width:7px;height:1px;background:var(--cyan-400)}
.section--paper .t-display,.section--paper .t-section,.section--paper .t-sub,.section--paper .prose h2,.section--paper .prose h3{color:#0B1B2B}
.section--paper .t-lead,.section--paper .prose p,.section--paper .prose li{color:#43534E}
.section--paper .eyebrow{color:#0E7A66}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  min-height:44px;padding:.7rem 1.15rem;border:1px solid transparent;border-radius:2px;
  font-family:var(--font-display);font-weight:700;font-size:.9rem;line-height:1.1;letter-spacing:.01em;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn:hover{transform:translateY(-1px)}
.btn--primary{background:var(--cyan-400);color:#04120F;box-shadow:0 8px 20px rgba(43,227,196,.22)}
.btn--primary:hover{background:var(--cyan-200)}
.btn--ghost{border-color:var(--line-strong);color:var(--paper-050)}
.btn--ghost:hover{border-color:var(--cyan-400);color:var(--cyan-200)}
.btn--amber{background:var(--amber-500);color:#1B1200}
.btn--amber:hover{background:var(--amber-200)}
.btn--block{width:100%}

/* ===== 档案组件 ===== */
.panel{
  background:rgba(255,255,255,.035);
  border:1px solid var(--line);border-radius:3px;
  padding:clamp(1rem,2.4vw,1.5rem);
}
.panel--paper{background:var(--paper-100);border-color:var(--line-paper);color:#12211D}
.panel--night{background:rgba(11,27,43,.9);border-color:rgba(43,227,196,.18)}

.tag{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.22rem .5rem;border:1px solid var(--line-strong);border-radius:2px;
  font-family:var(--font-num);font-size:.625rem;letter-spacing:.1em;text-transform:uppercase;
  color:rgba(244,247,245,.75);
}
.tag--cyan{border-color:rgba(43,227,196,.55);background:rgba(43,227,196,.1);color:var(--cyan-200)}
.tag--amber{border-color:rgba(242,181,68,.55);background:rgba(242,181,68,.1);color:var(--amber-200)}
.section--paper .tag{border-color:#B9C9C1;color:#43534E}
.section--paper .tag--cyan{border-color:#0E7A66;background:rgba(14,122,102,.1);color:#0A5A4B}
.section--paper .tag--amber{border-color:#A97A16;background:rgba(169,122,22,.12);color:#6E4E06}

.badge{
  display:inline-grid;place-items:center;min-width:2.1rem;height:2.1rem;padding:0 .35rem;
  border-radius:2px;background:var(--amber-500);color:#1B1200;
  font-family:var(--font-num);font-weight:700;font-size:.875rem;line-height:1;
}

.index-list{display:grid;border-top:1px solid var(--line)}
.index-list__row{
  display:grid;grid-template-columns:auto 1fr auto;gap:.9rem;align-items:center;
  padding:.75rem .25rem;border-bottom:1px solid var(--line);
  transition:background .2s var(--ease);
}
.index-list__row:hover{background:rgba(43,227,196,.07)}
.index-list__key{font-family:var(--font-num);font-size:.8125rem;color:var(--slate-400)}
.index-list__title{font-family:var(--font-display);font-weight:500;font-size:.9375rem;color:var(--paper-050)}
.index-list__meta{font-family:var(--font-num);font-size:.75rem;color:var(--slate-400);letter-spacing:.02em}
.section--paper .index-list,.section--paper .index-list__row{border-color:var(--line-paper)}
.section--paper .index-list__row:hover{background:rgba(11,27,43,.05)}
.section--paper .index-list__title{color:#0B1B2B}
.section--paper .index-list__key,.section--paper .index-list__meta{color:#5B6D66}

.table{font-size:.875rem;border:1px solid var(--line);border-radius:3px;overflow:hidden}
.table caption{
  padding:.6rem .7rem;text-align:left;font-family:var(--font-num);font-size:.6875rem;
  letter-spacing:.14em;text-transform:uppercase;color:var(--slate-400);
}
.table th,.table td{
  padding:.6rem .7rem;text-align:left;border-bottom:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.table thead th{
  font-family:var(--font-num);font-size:.6875rem;font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--slate-400);
}
.table tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.table tbody tr:last-child td{border-bottom:0}
.table .is-cyan{color:var(--cyan-400)}
.table .is-amber{color:var(--amber-500)}
.num .is-cyan,.is-cyan.num{font-family:var(--font-num)}
.section--paper .table,.section--paper .table th,.section--paper .table td{border-color:var(--line-paper)}
.section--paper .table tbody tr:nth-child(even){background:rgba(11,27,43,.04)}
.section--paper .table .is-cyan{color:#0E7A66}
.section--paper .table .is-amber{color:#96690B}

.crumbs{font-family:var(--font-num);font-size:.75rem;letter-spacing:.05em;color:var(--slate-400)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem}
.crumbs li{display:flex;align-items:center;gap:.5rem}
.crumbs li + li::before{content:"/";color:var(--slate-600)}
.crumbs a{color:rgba(244,247,245,.7);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.crumbs a:hover{color:var(--cyan-200);border-color:currentColor}
.crumbs [aria-current="page"]{color:var(--paper-050)}
.section--paper .crumbs{color:#5B6D66}
.section--paper .crumbs a{color:#43534E}
.section--paper .crumbs [aria-current="page"]{color:#0B1B2B}

.note{
  padding:.85rem 1rem;border-left:3px solid var(--amber-500);border-radius:2px;
  background:var(--amber-200);color:#3A2A05;
  font-size:.875rem;line-height:1.65;
}

.diag{
  height:1px;border:0;
  background:linear-gradient(90deg,transparent,rgba(43,227,196,.5),rgba(242,181,68,.38),transparent);
  transform:rotate(-1.1deg);transform-origin:left center;
  margin-block:clamp(1.5rem,4vw,3rem);
}
.diag--steep{transform:rotate(-2.4deg)}

/* ===== 图片容器基础规则 ===== */
.figure{
  position:relative;margin:0;overflow:hidden;border-radius:3px;
  border:1px solid var(--line);
  background:
    radial-gradient(120% 90% at 82% 8%,rgba(43,227,196,.2),transparent 62%),
    radial-gradient(90% 80% at 8% 92%,rgba(242,181,68,.16),transparent 64%),
    linear-gradient(160deg,#0B1B2B,#07110F);
}
.figure__media{position:relative;display:block;width:100%;aspect-ratio:16/9}
.figure__media img,.figure__media picture,.figure__media svg{width:100%;height:100%;object-fit:cover}
.figure__caption{
  padding:.6rem .85rem;border-top:1px solid var(--line);
  background:rgba(7,17,15,.55);
  font-family:var(--font-num);font-size:.6875rem;letter-spacing:.06em;color:var(--slate-400);
}
.figure--wide .figure__media{aspect-ratio:21/9}
.figure--square .figure__media{aspect-ratio:1/1}
.figure--tall .figure__media{aspect-ratio:4/5}
.section--paper .figure{border-color:var(--line-paper);background:linear-gradient(160deg,#E6EDE8,#F4F7F5)}
.section--paper .figure__caption{background:rgba(255,255,255,.7);border-color:var(--line-paper);color:#5B6D66}

/* ===== 动效 ===== */
[data-reveal]{
  opacity:0;transform:translateY(18px);
  transition:opacity .45s var(--ease),transform .45s var(--ease);
  transition-delay:calc(var(--i,0) * 60ms);
}
[data-reveal].is-in{opacity:1;transform:none}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  [data-reveal]{opacity:1;transform:none;transition:none}
  .btn:hover{transform:none}
}