/* ============================================================
   K5电竞 · 球王会 CN — 共享外壳样式 /assets/site.css
   深空黑长卷底 + 暖纸档案层 + 高对比数据高亮
   ============================================================ */

/* 1. Reset ------------------------------------------------ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,h5,p,ol,ul,figure,blockquote,dl,dd{margin:0}
ol,ul{list-style:none;padding:0}
img,picture,svg,video{display:block;max-width:100%}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;padding:0;cursor:pointer}
a{color:inherit;text-decoration:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid #31D7FF;outline-offset:3px}
::selection{background:#1B6BFF;color:#F2E9D8}

/* 2. 变量 -------------------------------------------------- */
:root{
  --ink-900:#080B12;
  --ink-800:#111A2E;
  --paper:#F2E9D8;
  --paper-shadow:#C9BFA8;
  --blue:#1B6BFF;
  --cyan:#31D7FF;
  --green:#7CFF6B;
  --magenta:#FF3DAE;
  --graphite:#2A3140;
  --glass:rgba(255,255,255,.08);
  --line:rgba(255,255,255,.10);
  --text:#C6CFDE;
  --text-dim:#8894AB;
  --wrap:1280px;
  --gutter:clamp(1.05rem,4vw,3rem);
  --bar-h:64px;
  --font-head:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono","Roboto Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC",Georgia,serif;
}

/* 3. 页面基调 ---------------------------------------------- */
body{
  min-height:100vh;
  background-color:var(--ink-900);
  background-image:
    radial-gradient(1200px 620px at 10% -12%, rgba(27,107,255,.20), transparent 62%),
    radial-gradient(900px 520px at 102% 6%, rgba(255,61,174,.11), transparent 60%),
    linear-gradient(rgba(255,255,255,.026) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.026) 1px, transparent 1px);
  background-size:auto, auto, 64px 64px, 64px 64px;
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5{font-family:var(--font-head);font-weight:800;letter-spacing:-.04em;line-height:1.14;color:var(--paper)}
h1{font-size:clamp(2rem,5.4vw,3.9rem)}
h2{font-size:clamp(1.45rem,3vw,2.25rem)}
h3{font-size:clamp(1.08rem,1.8vw,1.4rem);letter-spacing:-.02em}
h4{font-size:1rem;letter-spacing:-.01em}
p{text-wrap:pretty}
.mono{font-family:var(--font-mono);font-variant-numeric:tabular-nums;letter-spacing:.06em}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter)}

/* 4. 跳至主内容 -------------------------------------------- */
.skip-link{
  position:fixed;left:var(--gutter);top:-120px;z-index:200;
  background:var(--paper);color:#0A0E16;
  padding:.62rem 1.05rem;border-radius:2px;
  font-size:.85rem;font-weight:700;letter-spacing:.06em;
  box-shadow:0 14px 34px rgba(0,0,0,.5);
  transition:top .22s ease;
}
.skip-link:focus{top:.75rem}

/* 5. 命令栏头部 -------------------------------------------- */
.cmdbar{
  position:sticky;top:0;z-index:120;
  background:rgba(8,11,18,.87);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.cmdbar::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,var(--blue),var(--cyan) 48%,var(--magenta));
}
.cmdbar[data-stuck]{background:rgba(6,9,15,.95);box-shadow:0 18px 44px rgba(0,0,0,.5)}
.cmdbar__inner{
  max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter);
  min-height:var(--bar-h);
  display:flex;align-items:center;gap:clamp(.6rem,1.8vw,1.6rem);
}

/* 品牌 */
.brand{display:flex;align-items:center;gap:.62rem;flex:0 0 auto;padding:.3rem 0;border-radius:2px}
.brand__mark{display:grid;grid-template-columns:repeat(3,5px);gap:3px;align-items:end;height:22px;width:21px}
.brand__mark i{display:block;border-radius:1px;background:var(--blue)}
.brand__mark i:nth-child(1){height:58%}
.brand__mark i:nth-child(2){height:100%;background:var(--cyan)}
.brand__mark i:nth-child(3){height:34%;background:var(--green)}
.brand__text{display:flex;flex-direction:column;line-height:1.16}
.brand__name{font-family:var(--font-head);font-weight:800;font-size:1.02rem;letter-spacing:-.03em;color:var(--paper)}
.brand__sub{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.28em;color:var(--cyan)}
.brand:hover .brand__name{color:#fff}

/* 导航 */
.nav{flex:1 1 auto;min-width:0}
.nav__list{display:flex;align-items:center;justify-content:center;gap:.12rem;flex-wrap:wrap}
.nav__item{min-width:0}
.nav__link{
  position:relative;display:inline-flex;align-items:baseline;gap:.4rem;
  padding:.52rem .58rem;border-radius:2px;
  font-size:.855rem;font-weight:500;color:var(--text-dim);
  transition:color .18s ease,background-color .18s ease;
}
.nav__idx{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.05em;color:#4A5568;transition:color .18s ease}
.nav__link:hover{color:#fff;background:rgba(27,107,255,.14)}
.nav__link:hover .nav__idx{color:var(--cyan)}
.nav__link[aria-current="page"]{color:var(--paper);font-weight:700}
.nav__link[aria-current="page"] .nav__idx{color:var(--green)}
.nav__link[aria-current="page"]::after{
  content:"";position:absolute;left:.58rem;right:.58rem;bottom:.08rem;height:2px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:1px;
}

/* 命令栏右侧工具区 */
.cmdbar__meta{display:flex;align-items:center;gap:.45rem;flex:0 0 auto;margin-left:auto}
.cmdbar__chapter{
  display:inline-flex;align-items:baseline;gap:.34rem;
  font-family:var(--font-serif);font-size:.68rem;letter-spacing:.2em;color:var(--text-dim);
}
.cmdbar__chapter-label{color:#68758C}
.cmdbar__chapter .mono{font-size:.8rem;color:var(--green)}
.status{
  display:inline-flex;align-items:center;gap:.42rem;
  padding:.3rem .6rem;border:1px solid var(--line);border-radius:999px;
  background:var(--glass);font-size:.68rem;letter-spacing:.06em;color:var(--text-dim);
}
.status__dot{
  width:7px;height:7px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 0 rgba(124,255,107,.55);animation:pulse 2.6s ease-out infinite;
}
.status__ver{color:var(--paper);font-size:.72rem}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(124,255,107,.5)}
  70%{box-shadow:0 0 0 8px rgba(124,255,107,0)}
  100%{box-shadow:0 0 0 0 rgba(124,255,107,0)}
}
.cmdbar__search{
  display:inline-flex;align-items:center;gap:.38rem;
  padding:.36rem .72rem;border-radius:2px;
  border:1px solid rgba(49,215,255,.34);
  background:linear-gradient(180deg,rgba(27,107,255,.26),rgba(27,107,255,.08));
  color:var(--paper);font-size:.75rem;font-weight:700;letter-spacing:.06em;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.cmdbar__search::before{content:"⌕";font-family:var(--font-mono);color:var(--cyan);font-size:.85rem}
.cmdbar__search:hover{border-color:var(--cyan);box-shadow:0 0 0 1px rgba(49,215,255,.35),0 8px 22px rgba(27,107,255,.32)}

/* 移动目录按钮 */
.nav-toggle{
  display:none;align-items:center;gap:.48rem;
  padding:.42rem .62rem;border:1px solid rgba(255,255,255,.16);border-radius:2px;
  color:var(--paper);font-size:.72rem;font-weight:700;
  transition:border-color .18s ease,background-color .18s ease;
}
.nav-toggle__label{letter-spacing:.2em}
.nav-toggle__bars{display:grid;gap:3px;width:16px}
.nav-toggle__bars i{display:block;height:2px;background:currentColor;border-radius:1px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"]{border-color:var(--cyan);background:rgba(49,215,255,.12)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){transform:translateY(-5px) rotate(-45deg)}

/* 滚动进度 */
.cmdbar__progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:rgba(255,255,255,.06);overflow:hidden}
.cmdbar__bar{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--cyan) 55%,var(--green));transition:width .12s linear}

/* 6. 章节与网格 -------------------------------------------- */
.chapter{
  position:relative;
  padding:clamp(2.6rem,6.5vw,5.6rem) 0;
  scroll-margin-top:calc(var(--bar-h) + 18px);
}
.chapter + .chapter{border-top:1px solid rgba(255,255,255,.06)}
.chapter__head{display:flex;flex-wrap:wrap;align-items:center;gap:.7rem 1rem;margin-bottom:clamp(1.3rem,3vw,2.4rem)}
.chapter__index{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.22em;color:#06121F;
  background:linear-gradient(100deg,var(--cyan),var(--blue));
  padding:.32rem .62rem;border-radius:1px;
}
.chapter__title{font-size:clamp(1.35rem,2.6vw,2.1rem)}
.chapter__note{margin-left:auto;font-family:var(--font-serif);font-size:.74rem;letter-spacing:.16em;color:#7C889E}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:clamp(1rem,2.2vw,1.9rem)}
.col-main{grid-column:1 / span 7}
.col-note{grid-column:9 / span 3}
.col-wide{grid-column:1 / -1}

/* 旁注 */
.note{
  font-family:var(--font-serif);font-size:.82rem;line-height:1.9;letter-spacing:.05em;
  color:var(--paper-shadow);border-left:2px solid var(--blue);padding-left:.85rem;
}
.vertical-note{
  writing-mode:vertical-rl;font-family:var(--font-serif);
  font-size:.7rem;letter-spacing:.34em;color:#68758C;
}

/* 7. 面板 -------------------------------------------------- */
.panel{
  position:relative;padding:clamp(1.05rem,2.2vw,1.75rem);
  border:1px solid var(--line);border-radius:3px;
  background:rgba(17,26,46,.72);
}
.panel--glass{
  background:var(--glass);border-color:rgba(255,255,255,.16);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.panel--paper{background:var(--paper);border-color:var(--paper-shadow);color:#1B2130}
.panel--paper h2,.panel--paper h3,.panel--paper h4{color:#0D1320}
.panel--paper .note{color:#4C5568;border-left-color:var(--blue)}
.panel--accent::before{
  content:"";position:absolute;top:-1px;left:-1px;width:3px;height:38%;
  background:linear-gradient(180deg,var(--cyan),var(--blue));
}

/* 8. 按钮 -------------------------------------------------- */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.7rem 1.15rem;border-radius:2px;border:1px solid transparent;
  font-family:var(--font-head);font-size:.85rem;font-weight:700;letter-spacing:.05em;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{background:linear-gradient(135deg,var(--blue),#0E4ED8);color:#fff;box-shadow:0 10px 26px rgba(27,107,255,.28)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 36px rgba(27,107,255,.44)}
.btn--paper{background:var(--paper);color:#0D1320}
.btn--paper:hover{background:#fff;transform:translateY(-2px)}
.btn--ghost{border-color:rgba(255,255,255,.24);color:var(--paper);background:rgba(255,255,255,.03)}
.btn--ghost:hover{border-color:var(--cyan);color:#fff;background:rgba(49,215,255,.1)}

/* 9. 标签与数据数值 ---------------------------------------- */
.tag{
  display:inline-flex;align-items:center;gap:.34rem;
  padding:.26rem .6rem;border-radius:999px;
  border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.04);
  font-size:.66rem;letter-spacing:.16em;color:#B9C4D6;
}
.tag--green{color:var(--green);border-color:rgba(124,255,107,.4);background:rgba(124,255,107,.1)}
.tag--magenta{color:var(--magenta);border-color:rgba(255,61,174,.4);background:rgba(255,61,174,.1)}
.tag--blue{color:var(--cyan);border-color:rgba(49,215,255,.4);background:rgba(49,215,255,.1)}
.data{font-family:var(--font-mono);font-size:clamp(1.35rem,3vw,2rem);letter-spacing:-.02em;color:var(--paper);line-height:1.2}
.data--up{color:var(--green)}
.data--down{color:var(--magenta)}
.data--cyan{color:var(--cyan)}

/* 10. 面包屑 ----------------------------------------------- */
.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;padding:1.1rem 0 0;font-size:.73rem;letter-spacing:.08em;color:#7C889E}
.breadcrumbs li{display:flex;align-items:center;gap:.45rem}
.breadcrumbs li + li::before{content:"/";font-family:var(--font-mono);color:#3A4557}
.breadcrumbs a{color:#A9B4C7;border-bottom:1px solid transparent;transition:.16s ease}
.breadcrumbs a:hover{color:var(--cyan);border-bottom-color:var(--cyan)}
.breadcrumbs [aria-current="page"]{color:var(--paper)}

/* 11. 正文排版 --------------------------------------------- */
.prose{max-width:72ch;font-size:1rem;color:var(--text)}
.prose p + p{margin-top:1rem}
.prose h3{margin-top:1.9rem;margin-bottom:.55rem}
.prose strong{color:var(--paper)}
.prose a{color:var(--cyan);border-bottom:1px solid rgba(49,215,255,.45)}
.prose ul{margin-top:.85rem;display:grid;gap:.5rem}
.prose ul li{position:relative;padding-left:1.15rem}
.prose ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:2px;background:var(--blue)}

/* 12. 图片容器（响应式占位规则） --------------------------- */
.media{
  position:relative;overflow:hidden;border-radius:3px;
  border:1px solid rgba(255,255,255,.12);
  background-color:rgba(17,26,46,.9);
  background-image:
    linear-gradient(135deg,rgba(27,107,255,.24),rgba(8,11,18,.92) 62%),
    repeating-linear-gradient(45deg,rgba(255,255,255,.05) 0 8px,transparent 8px 16px);
}
.media > img,.media > svg{width:100%;height:100%;object-fit:cover}
.media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.04),inset 0 -46px 66px rgba(0,0,0,.45);
}
.media--21x9{aspect-ratio:21 / 9}
.media--16x9{aspect-ratio:16 / 9}
.media--4x3{aspect-ratio:4 / 3}
.media--1x1{aspect-ratio:1 / 1}
.media__caption{
  position:absolute;left:0;right:0;bottom:0;z-index:2;
  padding:.55rem .8rem;font-family:var(--font-mono);font-size:.68rem;letter-spacing:.08em;color:var(--paper);
  background:linear-gradient(0deg,rgba(8,11,18,.9),transparent);
}

/* 13. 显现与回到顶部 --------------------------------------- */
[data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
[data-reveal][data-visible]{opacity:1;transform:none}
.to-top{
  position:fixed;right:clamp(1rem,3vw,2rem);bottom:clamp(1rem,3vw,2rem);z-index:110;
  width:46px;height:46px;display:grid;place-items:center;border-radius:50%;
  border:1px solid rgba(255,255,255,.2);background:rgba(8,11,18,.84);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  color:var(--paper);font-family:var(--font-mono);font-size:1rem;
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s,border-color .18s ease,color .18s ease;
}
.to-top[data-visible]{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:var(--cyan);color:var(--cyan)}

/* 14. 页脚 ------------------------------------------------- */
.site-footer{
  position:relative;margin-top:clamp(3rem,7vw,6rem);
  background:linear-gradient(180deg,rgba(17,26,46,.97),rgba(8,11,18,1));
  border-top:1px solid var(--line);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--blue),var(--cyan) 32%,var(--green) 62%,var(--magenta));
}
.footer__grid{
  display:grid;grid-template-columns:1.45fr 1fr 1.5fr 1fr;
  gap:clamp(1.5rem,3vw,3rem);
  padding:clamp(2.4rem,5vw,4rem) 0 clamp(1.4rem,3vw,2.4rem);
}
.footer__col{display:flex;flex-direction:column;min-width:0}
.footer__brand{
  display:flex;flex-direction:column;gap:.18rem;
  font-family:var(--font-head);font-weight:800;font-size:1.22rem;letter-spacing:-.03em;color:var(--paper);
}
.footer__brand span{font-family:var(--font-mono);font-weight:400;font-size:.66rem;letter-spacing:.3em;color:var(--cyan)}
.footer__text{margin-top:.85rem;font-size:.86rem;line-height:1.85;color:#A7B2C6;max-width:34ch}
.footer__text--dim{margin-top:.7rem;font-family:var(--font-serif);font-size:.76rem;letter-spacing:.06em;color:#7C889E}
.footer__title{
  display:flex;align-items:center;gap:.5rem;
  margin-bottom:1rem;padding-bottom:.6rem;
  border-bottom:1px solid rgba(255,255,255,.14);
  font-size:.74rem;font-weight:700;letter-spacing:.24em;color:var(--paper);
}
.footer__title .mono{color:var(--cyan);font-weight:400}
.footer__list{display:grid;gap:.55rem}
.footer__link{
  display:inline-block;font-size:.86rem;color:#A7B2C6;
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease,transform .18s ease;
}
.footer__link:hover{color:var(--cyan);border-bottom-color:rgba(49,215,255,.5);transform:translateX(3px)}
.footer__card{
  position:relative;padding:clamp(1rem,2vw,1.4rem);
  background:var(--paper);color:#1B2130;border-radius:3px;
  box-shadow:0 20px 44px rgba(0,0,0,.38);
}
.footer__card .footer__title{color:#0D1320;border-bottom-color:rgba(13,19,32,.16)}
.footer__card .footer__title .mono{color:var(--blue)}
.footer__contact{display:grid;gap:.14rem}
.footer__label{font-family:var(--font-mono);font-size:.64rem;letter-spacing:.2em;color:#6B7284}
.footer__value{font-size:.83rem;line-height:1.65;color:var(--paper);word-break:break-all}
.footer__card .footer__label{color:#6B7284}
.footer__card .footer__value{color:#0D1320}
.footer__actions{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.1rem}
.copy-btn{
  display:inline-flex;align-items:center;gap:.4rem;
  padding:.62rem .95rem;border-radius:2px;
  border:1px solid rgba(13,19,32,.35);background:rgba(27,107,255,.09);color:#0D1320;
  font-family:var(--font-head);font-size:.8rem;font-weight:700;letter-spacing:.05em;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease;
}
.copy-btn:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.copy-btn[data-copied]{background:var(--green);border-color:var(--green);color:#06210B}
.footer__bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.7rem;
  padding:1.1rem 0 1.6rem;border-top:1px solid var(--line);
  font-size:.75rem;letter-spacing:.06em;color:#7C889E;
}
.footer__copy .mono{color:var(--paper)}
.footer__icp{font-family:var(--font-mono);color:#8794AA}

/* 15. 响应式 ----------------------------------------------- */
@media (max-width:1200px){
  .status{display:none}
}
@media (max-width:1080px){
  .cmdbar__chapter{display:none}
  .nav__link{font-size:.8rem;padding:.5rem .42rem}
}
@media (max-width:1024px){
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media (max-width:960px){
  :root{--bar-h:58px}
  .nav{
    position:fixed;left:0;right:0;top:var(--bar-h);z-index:118;
    max-height:calc(100vh - var(--bar-h));overflow-y:auto;
    padding:.5rem var(--gutter) 1.6rem;
    background:rgba(9,13,22,.975);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-bottom:2px solid var(--blue);
    box-shadow:0 26px 52px rgba(0,0,0,.6);
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
  }
  .nav[data-open]{opacity:1;visibility:visible;transform:none}
  .nav__list{flex-direction:column;align-items:stretch;justify-content:flex-start;gap:0}
  .nav__item{border-bottom:1px solid rgba(255,255,255,.07)}
  .nav__link{width:100%;padding:.92rem .25rem;font-size:1rem;justify-content:flex-start;border-radius:0}
  .nav__idx{font-size:.7rem;color:var(--cyan)}
  .nav__link[aria-current="page"]::after{left:.25rem;right:auto;width:26px;bottom:.6rem}
  .nav-toggle{display:inline-flex}
  .cmdbar__meta{gap:.4rem}
  .nav-toggle__label{display:none}
  body[data-nav-open]{overflow:hidden}
}
@media (max-width:900px){
  .grid{grid-template-columns:1fr}
  .col-main,.col-note,.col-wide{grid-column:auto}
  .chapter__note{margin-left:0}
}
@media (max-width:640px){
  .cmdbar__search{display:none}
  .footer__grid{grid-template-columns:1fr}
  .footer__bottom{flex-direction:column;align-items:flex-start}
  .footer__text{max-width:none}
}

/* 16. 动效偏好 --------------------------------------------- */
@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}
}