*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font:400 16px/1.65 var(--font-body);
  color:var(--ink-major);
  background:
    radial-gradient(circle at 88% 8%, rgba(201,160,99,.10), transparent 30%),
    radial-gradient(circle at 8% 92%, rgba(0,59,92,.06), transparent 28%),
    var(--paper-base);
}
img{display:block;max-width:100%}
a{color:var(--sport-blue);text-decoration-thickness:1px;text-underline-offset:2px}
p{margin:0 0 1em}
h1,h2,h3,h4{margin:0 0 .6em;line-height:1.15;font-family:var(--font-head);font-weight:900;color:var(--ink-major)}
:focus-visible{outline:3px solid var(--accent-orange);outline-offset:3px}
::selection{background:var(--accent-orange);color:#fff}

:root{
  --paper-base:#F5EFE0;
  --paper-alt:#EAD9B8;
  --ink-major:#1D1D1B;
  --ink-minor:#55554F;
  --sport-blue:#003B5C;
  --accent-orange:#F05A28;
  --gold:#C9A063;
  --line:#D8CFC0;
  --status-ok:#2E8540;
  --status-alert:#CC3311;
  --font-head:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --font-display:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --font-index:"DIN Alternate","Bahnschrift","Roboto Mono",ui-monospace,monospace;
  --track-w:88px;
  --progress:0;
}

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

.skip-link{
  position:fixed;
  left:-999px;top:-999px;
  z-index:200;
  background:var(--accent-orange);
  color:#fff;
  padding:10px 18px;
  font:700 14px/1 var(--font-head);
  text-decoration:none;
}
.skip-link:focus{
  left:120px;top:16px;
  clip:auto;
  width:auto;height:auto;
  clip-path:none;
}

.container{
  max-width:1240px;
  margin-inline:auto;
  padding-inline:clamp(16px,3vw,32px);
}

.reading-progress{
  position:fixed;
  top:0;left:0;
  height:3px;
  width:100%;
  z-index:130;
  pointer-events:none;
  background:linear-gradient(90deg,var(--accent-orange),var(--gold));
  transform:scaleX(var(--progress,0));
  transform-origin:0 50%;
  will-change:transform;
}

.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:var(--paper-base);
  border-bottom:1px solid var(--line);
}
.site-header__topbar{
  background:var(--sport-blue);
  color:#fff;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.site-header__topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  min-height:38px;
  padding-block:6px;
  font:600 12px/1.4 var(--font-body);
}
.site-header__note{
  display:flex;
  align-items:center;
  gap:10px;
  margin:0;
  min-width:0;
}
.site-header__claim{
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  opacity:.85;
  display:none;
}
.site-header__tools{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.site-header__mail{
  color:rgba(255,255,255,.85);
  letter-spacing:.02em;
  display:none;
}
.site-header__lang{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:34px;
  height:22px;
  padding-inline:6px;
  border:1px solid rgba(255,255,255,.45);
  color:var(--gold);
  font:700 12px/1 var(--font-head);
  letter-spacing:.1em;
}
.site-header__main{
  display:flex;
  align-items:center;
  gap:14px;
  padding:12px 0 14px;
  flex-wrap:wrap;
}
.site-header__cta{
  flex-shrink:0;
  display:none;
}
.site-header__inner{
  display:flex;
  flex-direction:column;
}

.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  flex-shrink:0;
}
.brand-logo__mark{
  font:900 17px/1 var(--font-head);
  letter-spacing:.08em;
  background:var(--accent-orange);
  color:#fff;
  padding:6px 8px 5px;
  clip-path:polygon(3px 0,100% 0,calc(100% - 3px) 100%,0 100%);
}
.brand-logo__name{
  font:900 24px/1 var(--font-head);
  letter-spacing:.04em;
  color:var(--sport-blue);
  white-space:nowrap;
}
.brand-logo__tag{
  font:700 10px/1 var(--font-index);
  letter-spacing:.12em;
  color:var(--sport-blue);
  border:1px solid var(--sport-blue);
  padding:3px 4px 2px;
}
.brand-logo__tag--light{
  color:var(--gold);
  border-color:var(--gold);
}

.site-nav{
  order:3;
  position:absolute;
  top:100%;
  left:0;
  right:0;
  background:var(--paper-base);
  box-shadow:0 28px 36px -30px rgba(0,0,0,.45);
  border-bottom:4px solid var(--sport-blue);
  visibility:hidden;
  opacity:0;
  transform:translateY(-6px);
  transition:opacity .2s ease,transform .25s ease,visibility .2s;
}
.site-nav[data-open="true"]{
  visibility:visible;
  opacity:1;
  transform:none;
}
.site-nav__list{
  list-style:none;
  margin:0;
  padding:10px 20px 18px;
  display:flex;
  flex-direction:column;
  gap:2px;
}
.site-nav__link{
  display:block;
  padding:13px 6px;
  color:var(--ink-major);
  font:700 15px/1 var(--font-head);
  letter-spacing:.03em;
  text-decoration:none;
  border-left:3px solid transparent;
  transition:.2s ease;
}
.site-nav__link:hover{
  color:var(--sport-blue);
  background:var(--paper-alt);
}
.site-nav__link[aria-current="page"]{
  color:var(--accent-orange);
  border-left-color:var(--accent-orange);
  padding-left:12px;
}

.nav-toggle{
  display:inline-flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  width:44px;
  height:44px;
  margin-left:auto;
  padding:0;
  border:1px solid var(--line);
  background:transparent;
  color:var(--sport-blue);
  cursor:pointer;
  flex-shrink:0;
}
.nav-toggle__bar{
  display:block;
  width:20px;
  height:2px;
  background:currentColor;
  transition:transform .25s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){
  transform:translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){
  opacity:0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(4){
  transform:translateY(-7px) rotate(-45deg);
}

.side-track{
  display:none;
}

.site-footer{
  background:var(--ink-major);
  color:rgba(245,239,224,.88);
  position:relative;
}
.site-footer::before{
  content:"";
  display:block;
  height:5px;
  background:linear-gradient(90deg,var(--sport-blue),var(--accent-orange) 55%,var(--gold));
}
.site-footer__inner{
  padding-top:56px;
  padding-bottom:44px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:34px;
}
.footer-brand__desc{
  margin:18px 0 14px;
  max-width:28ch;
  color:rgba(245,239,224,.72);
}
.footer-brand__status{
  margin:0;
}
.site-footer .status{
  color:rgba(245,239,224,.9);
}
.footer-links__title{
  font:900 14px/1.2 var(--font-head);
  letter-spacing:.06em;
  color:#fff;
  margin-bottom:18px;
  padding-bottom:10px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-links__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:9px;
  font-size:14px;
}
.footer-links__list a{
  color:rgba(245,239,224,.72);
  text-decoration:none;
  transition:color .2s ease;
}
.footer-links__list a:hover{
  color:#fff;
  text-decoration:underline;
}
.footer-contact__title{
  font:900 14px/1.2 var(--font-head);
  letter-spacing:.06em;
  color:#fff;
  margin-bottom:18px;
  padding-bottom:10px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-contact__list{
  list-style:none;
  margin:0 0 16px;
  padding:0;
  display:grid;
  gap:8px;
  font-size:14px;
  color:rgba(245,239,224,.78);
}
.footer-contact__label{
  display:inline-block;
  min-width:4.5em;
  color:var(--gold);
  font:700 12px/1.6 var(--font-head);
  margin-right:4px;
}
.footer-contact__note{
  margin:0;
  font-size:12px;
  line-height:1.6;
  color:rgba(245,239,224,.5);
}
.site-footer__bottom{
  background:rgba(0,0,0,.28);
  border-top:1px solid rgba(255,255,255,.08);
}
.site-footer__bottom-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  min-height:56px;
  padding-block:10px;
  font:500 12px/1.5 var(--font-body);
  color:rgba(245,239,224,.62);
}
.site-footer__copyright,.site-footer__icp{
  margin:0;
}

#main-content{
  display:block;
  outline:none;
  min-height:56vh;
  scroll-margin-top:28px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding:14px 22px;
  font:700 14px/1 var(--font-head);
  letter-spacing:.05em;
  text-decoration:none;
  background:var(--sport-blue);
  color:#fff;
  border:0;
  cursor:pointer;
  clip-path:polygon(10px 0,100% 0,calc(100% - 10px) 100%,0 100%);
  transition:transform .2s ease,filter .2s ease,background .2s ease,color .2s ease;
}
.btn::after{
  content:"";
  display:inline-block;
  width:24px;
  height:10px;
  clip-path:polygon(0 40%,80% 40%,80% 0,100% 50%,80% 100%,80% 60%,0 60%);
  background:currentColor;
}
.btn:hover{
  transform:translateY(-2px);
  filter:brightness(1.06);
}
.btn:active{
  transform:translateY(0);
}
.btn--primary{
  background:var(--accent-orange);
  color:#fff;
}
.btn--outline{
  background:transparent;
  color:var(--sport-blue);
  box-shadow:inset 0 0 0 2px var(--sport-blue);
}
.btn--outline:hover{
  background:var(--sport-blue);
  color:#fff;
}

.tag{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:5px 9px 4px;
  font:700 11px/1 var(--font-head);
  letter-spacing:.12em;
  text-transform:uppercase;
  border:1px solid var(--sport-blue);
  background:transparent;
  color:var(--sport-blue);
  white-space:nowrap;
}
.tag--gold{
  background:var(--gold);
  border-color:var(--gold);
  color:var(--ink-major);
}

.panel{
  background:var(--paper-base);
  border:1px solid var(--line);
  box-shadow:0 1px 0 rgba(29,29,27,.04),0 20px 40px -36px rgba(0,59,92,.45);
}

.band{
  padding:clamp(56px,8vw,108px) 0;
}
.band--blue{
  background:var(--sport-blue);
  color:#fff;
  --section-index-stroke:rgba(255,255,255,.45);
}
.band--blue h1,.band--blue h2,.band--blue h3{
  color:#fff;
}
.band--blue p{
  color:rgba(255,255,255,.82);
}
.band--ink{
  background:var(--ink-major);
  color:var(--paper-base);
}
.band--ink h1,.band--ink h2,.band--ink h3,.band--ink h4{
  color:#fff;
}
.band--ink p{
  color:rgba(245,239,224,.78);
}
.band--slash{
  position:relative;
  overflow:hidden;
}
.band--slash::before{
  content:"";
  position:absolute;
  right:-5%;
  top:0;
  bottom:0;
  width:18%;
  background:var(--accent-orange);
  opacity:.09;
  transform:skewX(-9deg);
  pointer-events:none;
}

.page-hero{
  position:relative;
  background:var(--sport-blue);
  color:#fff;
  padding:clamp(52px,8vw,104px) 0 70px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 24px),calc(100% - 34px) 100%,0 100%);
  margin-bottom:52px;
}
.page-hero__title{
  color:#fff;
  font-size:clamp(34px,5vw,56px);
  line-height:1.05;
  letter-spacing:.02em;
  max-width:18ch;
  margin-bottom:14px;
}
.page-hero__lead{
  max-width:620px;
  margin:0;
  color:rgba(255,255,255,.84);
  font-size:17px;
}
.page-hero__tagline{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--gold);
  font:700 13px/1 var(--font-head);
  letter-spacing:.16em;
  margin-bottom:20px;
}
.page-hero__tagline::before{
  content:"";
  width:34px;
  height:2px;
  background:var(--accent-orange);
}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:0 0 26px;
  padding:0;
  list-style:none;
  font:500 13px/1.5 var(--font-body);
  color:var(--ink-minor);
}
.breadcrumb a{
  color:var(--sport-blue);
  text-decoration:none;
}
.breadcrumb a:hover{
  text-decoration:underline;
}
.breadcrumb__divider{
  color:var(--line);
}

.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:36px;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
}
.section-head__index{
  font-family:var(--font-display);
  font-weight:200;
  font-size:clamp(52px,9vw,92px);
  line-height:.85;
  color:transparent;
  -webkit-text-stroke:1.5px var(--section-index-stroke,var(--sport-blue));
}
.section-head__body{
  text-align:right;
}
.section-head__kicker{
  display:block;
  font:700 12px/1 var(--font-index);
  letter-spacing:.18em;
  color:var(--accent-orange);
  margin-bottom:8px;
}
.section-head__title{
  margin:0;
  font-size:clamp(24px,3.4vw,40px);
  line-height:1.1;
}
.section-head__desc{
  margin:8px 0 0;
  color:var(--ink-minor);
  font-size:14px;
  max-width:52ch;
  margin-left:auto;
}

.chapters-preview{
  display:grid;
  grid-template-columns:1fr;
  gap:18px;
}
.preview-card{
  position:relative;
  display:block;
  min-height:190px;
  padding:26px 24px 28px;
  background:var(--paper-base);
  border:1px solid var(--line);
  text-decoration:none;
  color:var(--ink-major);
  overflow:hidden;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.preview-card::after{
  content:"";
  position:absolute;
  right:0;
  bottom:0;
  width:38px;
  height:38px;
  background:var(--sport-blue);
  clip-path:polygon(100% 0,100% 100%,0 100%);
  transition:opacity .2s ease;
  opacity:.85;
}
.preview-card:hover{
  transform:translateY(-4px);
  border-color:var(--sport-blue);
  box-shadow:0 22px 36px -32px rgba(0,59,92,.6);
}
.preview-card:hover::after{
  background:var(--accent-orange);
  opacity:1;
}
.preview-card__index{
  display:block;
  font-family:var(--font-display);
  font-weight:200;
  font-size:56px;
  line-height:.9;
  color:var(--paper-alt);
  transition:color .25s ease;
}
.preview-card:hover .preview-card__index{
  color:var(--accent-orange);
}
.preview-card__title{
  display:block;
  margin-top:26px;
  font:900 19px/1.2 var(--font-head);
  color:var(--sport-blue);
  letter-spacing:.03em;
}
.preview-card__desc{
  display:block;
  margin-top:10px;
  font-size:14px;
  line-height:1.55;
  color:var(--ink-minor);
}

.img-frame{
  position:relative;
  display:block;
  background:var(--sport-blue);
  aspect-ratio:16/10;
  overflow:hidden;
  border:1px solid var(--line);
}
.img-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform .45s ease;
}
.img-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(115deg,transparent 45%,rgba(240,90,40,.28));
  mix-blend-mode:multiply;
}
.img-frame:hover img{
  transform:scale(1.04) translateX(-6px);
}
.img-frame--4x3{
  aspect-ratio:4/3;
}

.status{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font:700 13px/1 var(--font-head);
  color:var(--ink-major);
}
.status::before{
  content:"";
  width:9px;
  height:9px;
  border-radius:50%;
  background:var(--status-ok);
  box-shadow:0 0 0 4px rgba(46,133,64,.16);
}
.status--alert::before{
  background:var(--status-alert);
  box-shadow:0 0 0 4px rgba(204,51,17,.16);
}
.status--live{
  background:var(--accent-orange);
  color:#fff;
  padding:5px 12px;
  clip-path:polygon(4px 0,100% 0,calc(100% - 4px) 100%,0 100%);
}
.status--live::before{
  content:none;
}

.grid{
  display:grid;
  gap:24px;
}
.grid--2{
  grid-template-columns:repeat(2,minmax(0,1fr));
}
.grid--3{
  grid-template-columns:repeat(3,minmax(0,1fr));
}

@media (min-width:600px){
  .site-header__mail{
    display:inline;
  }
  .site-header__claim{
    display:inline;
  }
  .site-header__cta{
    display:inline-flex;
  }
  .chapters-preview{
    grid-template-columns:repeat(2,1fr);
  }
}

@media (min-width:720px){
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
  .grid--2{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .grid--3{
    grid-template-columns:repeat(2,1fr);
  }
}

@media (min-width:960px){
  .nav-toggle{
    display:none;
  }
  .site-nav{
    order:0;
    position:static;
    flex:1;
    display:block;
    background:transparent;
    box-shadow:none;
    border-bottom:0;
    visibility:visible;
    opacity:1;
    transform:none;
  }
  .site-nav__list{
    flex-direction:row;
    justify-content:center;
    gap:8px;
    padding:0;
  }
  .site-nav__link{
    padding:10px 15px;
    border-left:0;
    color:var(--sport-blue);
    font-size:15px;
  }
  .site-nav__link:hover{
    background:var(--paper-alt);
    color:var(--sport-blue);
    clip-path:polygon(4px 0,100% 0,calc(100% - 4px) 100%,0 100%);
  }
  .site-nav__link[aria-current="page"]{
    color:var(--accent-orange);
    border-left:0;
    padding-left:15px;
    border-bottom:3px solid var(--accent-orange);
    background:transparent;
  }
  .site-header__main{
    flex-wrap:nowrap;
    gap:20px;
  }
  .site-header__cta{
    display:inline-flex;
  }
  .footer-grid{
    grid-template-columns:1.2fr .9fr .8fr 1.1fr;
    gap:40px;
  }
  .chapters-preview{
    grid-template-columns:repeat(3,1fr);
  }
  .grid--3{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }
}

@media (min-width:1280px){
  .side-track{
    display:flex;
    flex-direction:column;
    align-items:center;
    position:fixed;
    left:0;
    top:0;
    bottom:0;
    z-index:70;
    width:var(--track-w);
    background:var(--sport-blue);
    color:#fff;
    padding:30px 0 24px;
    box-shadow:inset -1px 0 0 rgba(255,255,255,.14);
  }
  .side-track::after{
    content:"";
    position:absolute;
    left:0;
    right:0;
    bottom:0;
    height:7px;
    background:repeating-linear-gradient(-45deg,var(--accent-orange) 0 10px,transparent 10px 20px);
  }
  .side-track__brand{
    text-align:center;
  }
  .side-track__logo{
    display:block;
    font:900 21px/1.3 var(--font-head);
    letter-spacing:.12em;
    color:#fff;
  }
  .side-track__seal{
    display:inline-block;
    margin-top:12px;
    padding:5px 6px;
    font:700 10px/1.2 var(--font-index);
    letter-spacing:.14em;
    color:var(--gold);
    border:1px solid rgba(255,255,255,.32);
    transform:rotate(-2deg);
    white-space:nowrap;
  }
  .side-track__list{
    list-style:none;
    margin:52px 0 0;
    padding:0;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:6px;
    flex:1;
  }
  .side-track__link{
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:4px;
    width:52px;
    padding:9px 3px;
    writing-mode:vertical-rl;
    text-orientation:mixed;
    font:700 10px/1 var(--font-index);
    letter-spacing:.1em;
    color:rgba(255,255,255,.58);
    text-decoration:none;
    border-left:2px solid transparent;
    transition:color .2s ease,background .2s ease,border-color .2s ease;
  }
  .side-track__link span:first-child{
    font-size:17px;
    font-weight:700;
    color:rgba(255,255,255,.85);
  }
  .side-track__link:hover{
    color:#fff;
    background:rgba(255,255,255,.07);
  }
  .side-track__link.is-active,
  .side-track__link[aria-current="page"]{
    color:#fff;
    border-left-color:var(--accent-orange);
    background:rgba(240,90,40,.18);
  }
  .side-track__meta{
    writing-mode:vertical-rl;
    transform:rotate(180deg);
    font:700 9px/1.3 var(--font-index);
    letter-spacing:.22em;
    color:rgba(255,255,255,.38);
  }
  .site-header__inner,
  .site-footer__inner,
  .site-footer__bottom-inner,
  #main-content{
    margin-left:var(--track-w);
  }
}

@media (prefers-reduced-motion:reduce){
  *,
  *::before,
  *::after{
    animation-duration:.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:.01ms!important;
    scroll-behavior:auto!important;
  }
}