/* =========================================================
   乐竟看台 · /assets/site.css
   共享外壳：重置、变量、中文排版、框架式头部、页脚、
   通用按钮/面包屑/容器/栅格/面板/数据/图片容器基础规则
   ========================================================= */

/* ---------- 1. 变量 ---------- */
:root{
  --ink:#0E1B2A;          /* 档案墨蓝 */
  --hull:#152A3D;         /* 深舱蓝 */
  --paper:#E9E6DE;        /* 记录纸灰 */
  --paper-2:#F7F5EF;      /* 纸面暖白 */
  --field:#2F7D6A;        /* 青训冷翠 */
  --amber:#C77A2E;        /* 轮次琥珀 */
  --bronze:#A8844F;       /* 季票金铜 */
  --teal:#3E9C8F;         /* 交互青绿 */
  --text:#1C2321;         /* 正文墨黑 */
  --muted:#8A8F8C;        /* 辅助灰 */

  --line:rgba(14,27,42,.16);
  --line-strong:rgba(14,27,42,.32);
  --line-inverse:rgba(233,230,222,.18);
  --line-inverse-strong:rgba(233,230,222,.34);

  --font-title:"Noto Serif SC","Source Han Serif SC","Songti SC","华文中宋",STSong,serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-mono:"Roboto Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Consolas,"Courier New",monospace;

  --shell:1180px;
  --cut:18px;
  --header-h:78px;
  --shadow-frame:0 1px 0 rgba(14,27,42,.08);
}

/* ---------- 2. 重置 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  min-height:100%;
  font-family:var(--font-body);
  font-size:clamp(16px,0.45vw + 14.6px,18px);
  line-height:1.7;
  color:var(--text);
  background-color:var(--paper);
  background-image:linear-gradient(90deg,rgba(14,27,42,.045) 1px,transparent 1px);
  background-size:72px 100%;
  -webkit-font-smoothing:antialiased;
}
img,svg,video{max-width:100%;height:auto;display:block}
button,input,select,textarea{font:inherit;color:inherit}
a{color:var(--hull)}
::selection{background:rgba(62,156,143,.28)}
[id]{scroll-margin-top:calc(var(--header-h) + 20px)}

/* ---------- 3. 基础排版 ---------- */
h1,h2,h3,h4,.display{
  font-family:var(--font-title);
  font-weight:800;
  line-height:1.22;
  letter-spacing:.02em;
  color:var(--text);
  margin:0 0 .6em;
}
h1,.display{font-size:clamp(2rem,4vw,4.5rem);letter-spacing:.01em}
h2{font-size:clamp(1.6rem,2.6vw,2.4rem)}
h3{font-size:clamp(1.25rem,1.6vw,1.75rem)}
h4{font-size:1.05rem;letter-spacing:.06em}
p{margin:0 0 1.1em}
.lede{font-size:clamp(1.02rem,1.15vw,1.18rem);color:rgba(28,35,33,.86);max-width:62ch}
.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}

/* ---------- 4. 布局容器与栅格 ---------- */
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 clamp(18px,5vw,34px)}
.shell--wide{max-width:1360px}
.section-pad{padding:clamp(44px,7vw,96px) 0}
.grid{display:grid;gap:clamp(18px,3vw,32px)}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--asym{grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}
.grid--offset{margin-top:clamp(-18px,-2vw,-42px)}

/* ---------- 5. 框架式头部导航 ---------- */
.skip-link{
  position:absolute;left:14px;top:-72px;z-index:140;
  background:var(--amber);color:var(--ink);
  padding:11px 18px;font-size:.86rem;letter-spacing:.06em;
  text-decoration:none;clip-path:polygon(0 0,100% 0,100% 100%,10px 100%,0 calc(100% - 10px));
  transition:top .18s ease;
}
.skip-link:focus{top:14px}

.site-header{
  position:sticky;top:0;z-index:90;
  background:var(--ink);
  color:var(--paper-2);
  border-bottom:1px solid var(--line-inverse);
  box-shadow:0 10px 30px -24px rgba(14,27,42,.9);
}
.header-rail{
  height:6px;
  background-image:repeating-linear-gradient(90deg,rgba(199,122,46,.62) 0 1px,transparent 1px 26px);
  border-bottom:1px solid rgba(233,230,222,.08);
}
.header-bar{
  position:relative;
  max-width:var(--shell);
  margin:0 auto;
  min-height:var(--header-h);
  padding:10px clamp(18px,5vw,34px);
  display:grid;
  grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;
  gap:clamp(14px,2.4vw,40px);
}

/* 品牌 */
.brand{
  display:flex;align-items:center;gap:12px;
  text-decoration:none;color:inherit;padding:4px 0;
}
.brand__mark{
  flex:0 0 38px;width:38px;height:38px;
  display:grid;place-items:center;
  font-family:var(--font-title);font-weight:800;font-size:1.25rem;
  color:var(--ink);
  background:linear-gradient(150deg,var(--amber),#dc9a52);
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{
  font-family:var(--font-title);font-weight:800;
  font-size:1.16rem;letter-spacing:.14em;color:var(--paper-2);
}
.brand__slogan{
  margin-top:3px;font-size:.7rem;letter-spacing:.12em;
  color:rgba(233,230,222,.58);
}

/* 导航 */
.site-nav{
  display:flex;align-items:center;justify-content:flex-end;
  gap:clamp(16px,2.6vw,40px);
}
.site-nav__list{
  display:flex;align-items:center;gap:clamp(6px,1.5vw,20px);
  margin:0;padding:0;list-style:none;
}
.site-nav__item{display:block}
.site-nav__link{
  position:relative;
  display:inline-flex;align-items:baseline;gap:6px;
  padding:9px 2px 11px;
  color:rgba(233,230,222,.76);
  text-decoration:none;white-space:nowrap;
  font-size:.94rem;letter-spacing:.05em;
  transition:color .2s ease;
}
.site-nav__num{
  font-family:var(--font-mono);font-size:.64rem;letter-spacing:.08em;
  color:rgba(199,122,46,.72);transition:color .2s ease;
}
.site-nav__link::after{
  content:"";position:absolute;left:0;right:100%;bottom:4px;height:2px;
  background:var(--teal);transition:right .26s ease;
}
.site-nav__link:hover{color:var(--paper-2)}
.site-nav__link:hover::after{right:0}
.site-nav__link[aria-current="page"]{color:var(--paper-2)}
.site-nav__link[aria-current="page"]::after{right:0;background:var(--amber);height:3px}
.site-nav__link[aria-current="page"] .site-nav__num{color:var(--amber)}

/* 右上工具位 */
.header-tools{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.tool-link{
  font-size:.8rem;letter-spacing:.08em;text-decoration:none;white-space:nowrap;
  padding:9px 13px;
  border:1px solid var(--line-inverse-strong);
  color:rgba(247,245,239,.88);
  clip-path:polygon(9px 0,100% 0,100% 100%,0 100%,0 9px);
  transition:background-color .2s ease,border-color .2s ease,color .2s ease;
}
.tool-link--member{
  border-color:rgba(168,132,79,.62);
  color:#DCC395;
  background:rgba(168,132,79,.12);
}
.tool-link--legacy{
  background-image:repeating-linear-gradient(45deg,rgba(247,245,239,.07) 0 2px,transparent 2px 7px);
}
.tool-link:hover{
  background-color:rgba(62,156,143,.2);
  border-color:rgba(62,156,143,.72);
  color:#F7F5EF;
}

/* 移动菜单按钮 */
.nav-toggle{
  display:none;align-items:center;gap:9px;
  padding:9px 13px;
  background:transparent;
  border:1px solid var(--line-inverse-strong);
  color:var(--paper-2);
  font-size:.8rem;letter-spacing:.1em;
  cursor:pointer;
  clip-path:polygon(9px 0,100% 0,100% 100%,0 100%,0 9px);
}
.nav-toggle__bars{display:inline-flex;flex-direction:column;gap:3px;width:16px}
.nav-toggle__bars i{display:block;height:2px;background:var(--amber);transition:transform .2s ease,opacity .2s ease}
.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)}

/* 阅读进度 */
.scroll-progress{
  position:absolute;left:0;right:0;bottom:-1px;height:2px;
  overflow:hidden;pointer-events:none;
}
.scroll-progress__fill{
  display:block;height:100%;width:100%;
  transform:scaleX(0);transform-origin:left center;
  background:linear-gradient(90deg,var(--field),var(--teal) 48%,var(--amber));
}

/* ---------- 6. 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(52px,8vw,110px);
  background:var(--hull);
  color:rgba(233,230,222,.82);
  border-top:1px solid var(--line-inverse);
}
.footer-frame{
  height:6px;
  background-image:repeating-linear-gradient(90deg,rgba(199,122,46,.5) 0 1px,transparent 1px 26px);
  border-bottom:1px solid rgba(233,230,222,.08);
}
.footer-grid{
  max-width:var(--shell);margin:0 auto;
  padding:clamp(38px,6vw,74px) clamp(18px,5vw,34px) clamp(22px,4vw,40px);
  display:grid;
  grid-template-columns:minmax(0,1.55fr) minmax(0,1fr) minmax(0,1.35fr);
  gap:clamp(28px,5vw,64px);
}
.footer-brand__name{
  margin:0 0 6px;
  font-family:var(--font-title);font-weight:800;
  font-size:clamp(1.4rem,2.2vw,1.9rem);letter-spacing:.16em;
  color:var(--paper-2);
}
.footer-brand__slogan{
  margin:0 0 16px;
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.18em;
  color:rgba(199,122,46,.85);
}
.footer-summary{
  margin:0 0 22px;max-width:44ch;
  font-size:.92rem;line-height:1.8;color:rgba(233,230,222,.66);
}
.footer-col__title{
  margin:0 0 16px;
  font-family:var(--font-mono);font-weight:500;
  font-size:.72rem;letter-spacing:.2em;
  color:rgba(233,230,222,.6);
  padding-left:12px;position:relative;
}
.footer-col__title::before{
  content:"";position:absolute;left:0;top:.42em;
  width:6px;height:6px;background:var(--amber);
  transform:rotate(45deg);
}
.footer-col__list{margin:0;padding:0;list-style:none}
.footer-col__list li{padding:9px 0;border-bottom:1px dotted rgba(233,230,222,.14)}
.footer-col__list a{
  color:rgba(233,230,222,.86);text-decoration:none;
  font-size:.94rem;letter-spacing:.04em;
  border-bottom:1px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.footer-col__list a:hover{color:var(--paper-2);border-bottom-color:var(--teal)}
.footer-col__list--plain li{display:flex;flex-wrap:wrap;gap:4px 12px;align-items:baseline}
.footer-k{
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.16em;
  color:var(--bronze);min-width:64px;
}
.footer-v{color:rgba(233,230,222,.84);font-size:.9rem;line-height:1.65}
.footer-note{margin:16px 0 0;font-size:.8rem;line-height:1.75;color:rgba(233,230,222,.55)}
.footer-legal{
  max-width:var(--shell);margin:0 auto;
  padding:18px clamp(18px,5vw,34px) clamp(26px,4vw,38px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px 24px;
  border-top:1px solid rgba(233,230,222,.12);
  font-family:var(--font-mono);font-size:.74rem;letter-spacing:.1em;
  color:rgba(233,230,222,.55);
}
.footer-legal__links{display:flex;flex-wrap:wrap;gap:8px 18px;margin:0;padding:0;list-style:none}
.footer-legal__links a{color:rgba(233,230,222,.72);text-decoration:none}
.footer-legal__links a:hover{color:var(--paper-2);text-decoration:underline}
.footer-legal__icp{margin:0}
.footer-copy{margin:0}

/* ---------- 7. 按钮与标签 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:12px 22px;
  font-family:var(--font-body);font-size:.92rem;letter-spacing:.08em;
  text-decoration:none;cursor:pointer;
  border:1px solid transparent;
  clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn--primary{background:var(--ink);border-color:var(--ink);color:var(--paper-2)}
.btn--primary:hover{background:var(--field);border-color:var(--field)}
.btn--paper{background:var(--paper-2);border-color:var(--line-strong);color:var(--ink)}
.btn--paper:hover{border-color:var(--teal);color:var(--field)}
.btn--ghost{background:transparent;border-color:var(--line-inverse-strong);color:var(--paper-2)}
.btn--ghost:hover{border-color:var(--teal);background:rgba(62,156,143,.18);color:#fff}
.btn--bronze{background:rgba(168,132,79,.14);border-color:rgba(168,132,79,.6);color:#DCC395}
.btn--bronze:hover{background:rgba(168,132,79,.26);color:#F3E3C4}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.12em;
  border:1px solid var(--line-strong);
  color:var(--hull);background:rgba(247,245,239,.7);
}
.tag--field{border-color:rgba(47,125,106,.5);color:var(--field);background:rgba(47,125,106,.1)}
.tag--amber{border-color:rgba(199,122,46,.5);color:#97561a;background:rgba(199,122,46,.1)}
.tag--bronze{border-color:rgba(168,132,79,.55);color:#7d6132;background:rgba(168,132,79,.12)}

/* ---------- 8. 面包屑 ---------- */
.breadcrumb{margin:0 0 clamp(18px,2.4vw,30px)}
.breadcrumb ol{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  margin:0;padding:0;list-style:none;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.1em;
  color:var(--muted);
}
.breadcrumb li{display:flex;align-items:center;gap:6px}
.breadcrumb li + li::before{content:"/";color:var(--line-strong)}
.breadcrumb a{color:var(--hull);text-decoration:none;border-bottom:1px solid var(--line)}
.breadcrumb a:hover{border-bottom-color:var(--teal);color:var(--field)}
.breadcrumb [aria-current="page"]{color:var(--muted);border:0}

/* ---------- 9. 切角面板与卡片 ---------- */
.panel{
  position:relative;
  --panel-bg:var(--paper-2);
  padding:clamp(20px,3vw,34px);
  background:var(--panel-bg);
  box-shadow:inset 0 0 0 1px var(--line);
  clip-path:polygon(0 0,calc(100% - var(--cut)) 0,100% var(--cut),100% 100%,var(--cut) 100%,0 calc(100% - var(--cut)));
}
.panel > :last-child{margin-bottom:0}
.panel--dim{
  --panel-bg:var(--hull);
  color:rgba(233,230,222,.86);
  box-shadow:inset 0 0 0 1px var(--line-inverse);
}
.panel--dim h2,.panel--dim h3,.panel--dim h4{color:var(--paper-2)}
.panel--legacy{
  --panel-bg:var(--paper);
  background-image:repeating-linear-gradient(0deg,rgba(14,27,42,.05) 0 1px,transparent 1px 5px);
}
.panel--member{
  box-shadow:inset 0 0 0 1px rgba(168,132,79,.5);
  background-image:linear-gradient(180deg,rgba(168,132,79,.12),transparent 46%);
}
.panel--field{
  box-shadow:inset 0 0 0 1px rgba(47,125,106,.42);
  background-image:linear-gradient(180deg,rgba(47,125,106,.1),transparent 44%);
}

/* ---------- 10. 数据、章节与目录 ---------- */
.stat{display:flex;flex-direction:column;gap:6px}
.stat__num{
  font-family:var(--font-mono);font-weight:600;
  font-size:clamp(2.5rem,5vw,5rem);line-height:.95;letter-spacing:-.02em;
  color:var(--ink);font-variant-numeric:tabular-nums;
}
.stat__label{font-size:.8rem;letter-spacing:.14em;color:var(--muted)}
.stat--amber .stat__num{color:var(--amber)}
.stat--field .stat__num{color:var(--field)}
.stat--bronze .stat__num{color:var(--bronze)}

.chapter{
  display:flex;flex-wrap:wrap;align-items:baseline;gap:10px 18px;
  padding-top:16px;margin:0 0 clamp(20px,3vw,34px);
  border-top:1px solid var(--line-strong);
}
.chapter__no{font-family:var(--font-mono);font-size:.76rem;letter-spacing:.18em;color:var(--amber)}
.chapter__title{
  margin:0;
  font-family:var(--font-title);font-weight:800;
  font-size:clamp(1.25rem,2.2vw,1.75rem);
}
.chapter__note{margin-left:auto;font-size:.8rem;color:var(--muted);letter-spacing:.06em}

.round-rule{
  display:flex;align-items:center;gap:14px;
  margin:clamp(26px,4vw,50px) 0;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.18em;
  color:var(--muted);
}
.round-rule::before,.round-rule::after{
  content:"";height:1px;flex:1 1 auto;
  background-image:repeating-linear-gradient(90deg,var(--line-strong) 0 6px,transparent 6px 13px);
}

.index-list{margin:0;padding:0;list-style:none;border-top:1px solid var(--line-strong)}
.index-list__item{
  display:grid;grid-template-columns:auto minmax(0,1fr) auto;
  align-items:center;gap:16px;
  padding:18px 4px;
  border-bottom:1px solid var(--line);
}
.index-list__num{
  font-family:var(--font-mono);font-size:.76rem;letter-spacing:.16em;color:var(--amber);
}
.index-list__link{
  font-family:var(--font-title);font-weight:800;
  font-size:clamp(1.15rem,2vw,1.6rem);
  color:var(--text);text-decoration:none;
  transition:color .2s ease,transform .2s ease;
}
.index-list__link:hover{color:var(--field);transform:translateX(4px)}
.index-list__meta{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;color:var(--muted)}

/* ---------- 11. 图片容器基础规则（页面阶段放占位图） ---------- */
.media{
  position:relative;overflow:hidden;
  background:var(--paper-2);
  box-shadow:inset 0 0 0 1px var(--line);
  clip-path:polygon(0 0,calc(100% - 22px) 0,100% 22px,100% 100%,22px 100%,0 calc(100% - 22px));
}
.media img{width:100%;height:100%;object-fit:cover}
.media--wide{aspect-ratio:16/9}
.media--photo{aspect-ratio:4/3}
.media--square{aspect-ratio:1/1}
.media--tall{aspect-ratio:3/4}
.media--placeholder{
  background-image:repeating-linear-gradient(135deg,rgba(14,27,42,.07) 0 2px,transparent 2px 11px);
}
.media::after{
  content:"";position:absolute;inset:auto 0 0 0;height:38%;
  background:linear-gradient(180deg,transparent,rgba(14,27,42,.28));
  pointer-events:none;
}
.media__caption{
  position:absolute;left:14px;right:14px;bottom:12px;z-index:2;
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;
  color:rgba(247,245,239,.86);
}
.media__tag{
  position:absolute;left:0;top:14px;z-index:2;
  padding:5px 12px 5px 10px;
  background:var(--ink);color:var(--paper-2);
  font-family:var(--font-mono);font-size:.68rem;letter-spacing:.14em;
  clip-path:polygon(0 0,100% 0,calc(100% - 8px) 100%,0 100%);
}
.media--plain{clip-path:none;box-shadow:inset 0 0 0 1px var(--line)}
.media--plain::after{display:none}

/* ---------- 12. 动效与工具 ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
.reveal.is-visible{opacity:1;transform:none}

.to-top{
  position:fixed;right:clamp(14px,3vw,32px);bottom:clamp(14px,3vw,32px);z-index:80;
  display:inline-flex;align-items:center;gap:9px;
  padding:11px 15px;
  background:var(--paper-2);color:var(--ink);
  border:1px solid var(--line-strong);
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.14em;
  cursor:pointer;
  clip-path:polygon(9px 0,100% 0,100% 100%,0 100%,0 9px);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s,border-color .2s ease,color .2s ease;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:none}
.to-top:hover{border-color:var(--teal);color:var(--field)}
.to-top__mark{color:var(--amber);font-size:.86rem;line-height:1}

[data-toc-link][aria-current="true"]{color:var(--field);border-color:var(--teal)}

/* ---------- 13. 焦点与减少动效 ---------- */
:focus-visible{outline:2px solid var(--teal);outline-offset:3px}
.site-header :focus-visible,.site-footer :focus-visible{outline-color:var(--amber)}

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

/* ---------- 14. 响应式 ---------- */
@media (max-width:1000px){
  .header-bar{grid-template-columns:minmax(0,1fr) auto;gap:12px}
  .nav-toggle{display:inline-flex;justify-self:end}
  .brand__slogan{display:none}
  .site-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;
    gap:0;padding:10px clamp(18px,5vw,34px) 24px;
    background:var(--hull);
    border-top:1px solid var(--line-inverse);
    border-bottom:1px solid var(--line-inverse);
    box-shadow:0 24px 40px -30px rgba(14,27,42,.95);
    max-height:calc(100vh - var(--header-h));
    overflow-y:auto;
  }
  .site-nav[data-open]{display:flex}
  .site-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .site-nav__item{border-bottom:1px solid rgba(233,230,222,.1)}
  .site-nav__link{
    display:flex;align-items:center;gap:14px;
    padding:15px 2px;font-size:1.05rem;
  }
  .site-nav__link::after{display:none}
  .site-nav__link[aria-current="page"]{color:var(--amber)}
  .site-nav__link[aria-current="page"] .site-nav__num{color:var(--amber)}
  .header-tools{flex-wrap:wrap;gap:10px;padding-top:18px}
  .tool-link{flex:1 1 auto;text-align:center;justify-content:center}
  .footer-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .footer-brand{grid-column:1 / -1}
}
@media (max-width:820px){
  .grid--2,.grid--3,.grid--asym{grid-template-columns:minmax(0,1fr)}
  .grid--offset{margin-top:0}
  .chapter__note{margin-left:0;width:100%}
  .index-list__item{grid-template-columns:auto minmax(0,1fr);gap:10px 14px}
  .index-list__meta{grid-column:2;color:var(--muted)}
}
@media (max-width:700px){
  :root{--header-h:70px;--cut:14px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:30px}
  .footer-legal{flex-direction:column;align-items:flex-start}
  .media__caption{font-size:.66rem}
}
@media (min-width:1400px){
  :root{--shell:1240px}
}
@media print{
  .site-header,.to-top,.scroll-progress{display:none !important}
  body{background:#fff}
}