*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0}
ul,ol{margin:0;padding:0}
a{color:inherit}
[id="main-content"]{scroll-margin-top:104px}

:root{
  --jade:#0E7A5F;
  --deep:#0A4F3E;
  --cyan:#14C8A4;
  --ivory:#F7F2E6;
  --paper:#FFFDF8;
  --ink:#12211C;
  --cinnabar:#C4402E;
  --gold:#C9A227;
  --violet:#5B4B8A;
  --mist:#7E9189;
  --line:rgba(10,79,62,.16);
  --line-soft:rgba(10,79,62,.10);
  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,"SFMono-Regular",Consolas,monospace;
  --shadow-tile:0 18px 32px -30px rgba(10,79,62,.9);
  --edge:clamp(16px,4vw,40px);
}

body{
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.01em;
  color:var(--ink);
  background:var(--ivory);
  background-image:
    radial-gradient(90% 60% at 78% -10%,rgba(20,200,164,.10),transparent 60%),
    radial-gradient(70% 50% at 6% 4%,rgba(201,162,39,.10),transparent 62%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:900;line-height:1.2;letter-spacing:-.015em;margin:0 0 .5em}
p{margin:0 0 1em}
strong{font-weight:800}

:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:3px}

/* ---------- skip link ---------- */
.mj-skip{
  position:fixed;top:8px;left:8px;z-index:999;
  transform:translateY(-180%);
  padding:10px 16px;border-radius:8px;
  background:var(--deep);color:var(--ivory);
  border:1px solid var(--gold);
  font-size:14px;font-weight:700;text-decoration:none;
  transition:transform .18s ease;
}
.mj-skip:focus{transform:translateY(0)}

/* ---------- header ---------- */
.mj-header{
  position:sticky;top:0;z-index:80;
  background:
    radial-gradient(120% 190% at 92% -60%,rgba(20,200,164,.18),transparent 62%),
    linear-gradient(180deg,#FBF6EA 0%,#F5EFE0 100%);
  border-bottom:1px solid rgba(201,162,39,.5);
  box-shadow:0 12px 26px -24px rgba(10,79,62,.95);
}
.mj-header__inner{
  max-width:1240px;margin:0 auto;
  min-height:78px;
  padding:12px var(--edge);
  display:flex;align-items:center;
  gap:clamp(10px,2vw,26px);
}
.mj-brand{
  display:inline-flex;align-items:center;gap:12px;
  margin-right:auto;
  padding:4px 6px;border-radius:10px;
  text-decoration:none;color:var(--ink);
}
.mj-brand__tile{
  flex:none;width:44px;height:44px;
  display:grid;place-items:center;
  font-family:var(--font-display);font-weight:900;font-size:22px;line-height:1;
  color:var(--ivory);
  background:linear-gradient(150deg,var(--jade) 0%,var(--deep) 100%);
  border:1px solid rgba(201,162,39,.8);
  border-radius:4px 13px 4px 13px;
  box-shadow:inset 0 0 0 3px rgba(247,242,230,.16);
}
.mj-brand__text{display:flex;flex-direction:column;gap:1px}
.mj-brand__name{font-family:var(--font-display);font-weight:900;font-size:17px;letter-spacing:.02em}
.mj-brand__sub{font-size:12px;line-height:1.5;color:var(--mist);letter-spacing:.06em}
.mj-version{
  flex:none;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;
  padding:5px 10px;border-radius:999px;
  color:var(--deep);background:rgba(255,253,248,.9);
  border:1px solid rgba(14,122,95,.4);
}
.mj-burger{
  display:none;align-items:center;gap:8px;
  padding:8px 12px;border-radius:4px 12px 4px 12px;
  border:1px solid rgba(14,122,95,.45);
  background:var(--paper);
  color:var(--deep);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  cursor:pointer;
}
.mj-burger__bars{display:flex;flex-direction:column;gap:3px;width:18px}
.mj-burger__bars span{display:block;height:2px;border-radius:2px;background:var(--jade)}
.mj-burger__label{line-height:1}

.mj-nav{flex:none}
.mj-nav__list{display:flex;align-items:center;gap:2px;list-style:none}
.mj-nav__link{
  position:relative;
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 12px;border-radius:8px;
  font-size:15px;font-weight:600;line-height:1.4;
  color:var(--ink);text-decoration:none;white-space:nowrap;
  transition:color .18s ease,background-color .18s ease;
}
.mj-nav__link::after{
  content:"";position:absolute;left:12px;right:12px;bottom:3px;height:2px;
  background:var(--jade);border-radius:2px;
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .22s ease,background-color .22s ease;
}
.mj-nav__link:hover{color:var(--deep);background:rgba(14,122,95,.08)}
.mj-nav__link:hover::after{transform:scaleX(1)}
.mj-nav__link[aria-current="page"]{color:var(--deep);background:rgba(14,122,95,.10)}
.mj-nav__link[aria-current="page"]::after{transform:scaleX(1);background:var(--cinnabar)}
.mj-nav__badge{
  font-family:var(--font-mono);font-size:10px;line-height:1;letter-spacing:.02em;
  padding:3px 5px;border-radius:4px;
  color:#fff;background:var(--cinnabar);
  transition:transform .2s ease;
}
.mj-nav__link:hover .mj-nav__badge,
.mj-nav__link[aria-current="page"] .mj-nav__badge{transform:scale(1.16)}

.mj-progress{height:2px;background:rgba(126,145,137,.3);overflow:hidden}
.mj-progress__bar{
  display:block;width:100%;height:100%;
  background:linear-gradient(90deg,var(--jade),var(--cyan));
  transform:scaleX(0);transform-origin:0 50%;
  transition:transform .12s linear;
}

/* ---------- footer ---------- */
.mj-footer{
  margin-top:clamp(48px,7vw,96px);
  color:#E5EFE9;
  background:
    radial-gradient(95% 130% at 10% -20%,rgba(20,200,164,.20),transparent 60%),
    radial-gradient(70% 90% at 96% 110%,rgba(196,64,46,.16),transparent 62%),
    var(--deep);
  border-top:3px solid var(--gold);
}
.mj-footer__inner{
  position:relative;
  max-width:1240px;margin:0 auto;
  padding:clamp(34px,5vw,62px) var(--edge) clamp(70px,6vw,86px);
  display:grid;
  grid-template-columns:1.35fr 1fr 1fr 1.25fr;
  gap:clamp(22px,3vw,44px);
}
.mj-footer__brand{display:flex;flex-direction:column;gap:10px}
.mj-footer__tile{
  width:48px;height:48px;display:grid;place-items:center;
  font-family:var(--font-display);font-weight:900;font-size:22px;line-height:1;
  color:var(--deep);background:linear-gradient(150deg,var(--cyan),#8FE6D2);
  border:1px solid var(--gold);border-radius:4px 14px 4px 14px;
}
.mj-footer__sign{
  margin:0;font-family:var(--font-display);font-weight:900;font-size:19px;
  letter-spacing:.02em;color:#FFFDF8;
}
.mj-footer__note{margin:0;font-size:13px;line-height:1.7;color:#A9C2B8;max-width:26ch}
.mj-footer__nav{display:block}
.mj-footer__head{
  margin:0 0 14px;
  font-family:var(--font-mono);font-size:11px;font-weight:500;
  letter-spacing:.18em;color:var(--cyan);
}
.mj-footer__list{list-style:none;display:grid;gap:9px}
.mj-footer__list a{
  font-size:14px;color:#D8E7E0;text-decoration:none;
  border-bottom:1px solid transparent;padding-bottom:1px;
  transition:color .18s ease,border-color .18s ease;
}
.mj-footer__list a:hover{color:#FFFDF8;border-bottom-color:var(--cyan)}
.mj-footer__list a[aria-current="page"]{color:var(--cyan)}
.mj-footer__list--minor{
  margin-top:14px;padding-top:14px;
  border-top:1px dashed rgba(247,242,230,.22);
}
.mj-footer__contact,
.mj-footer__meta{
  border-left:1px dashed rgba(247,242,230,.20);
  padding-left:clamp(14px,2vw,26px);
}
.mj-footer__line{
  margin:0 0 10px;font-size:13.5px;line-height:1.7;color:#C6DAD1;
  word-break:break-word;
}
.mj-footer__key{
  display:inline-block;min-width:3.2em;margin-right:8px;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.08em;
  color:var(--gold);
}
.mj-footer__micro{margin:0 0 6px;font-size:12px;line-height:1.7;color:#8FAAA1}
.mj-seal{
  position:absolute;right:var(--edge);bottom:16px;
  width:62px;height:62px;
  display:grid;place-items:center;text-align:center;
  font-family:var(--font-display);font-weight:900;font-size:13px;line-height:1.15;
  letter-spacing:.12em;color:var(--gold);
  border:2px solid rgba(201,162,39,.85);border-radius:6px;
  transform:rotate(-7deg);opacity:.9;
}

/* ---------- layout ---------- */
.mj-wrap{max-width:1240px;margin-inline:auto;padding-inline:var(--edge)}
.mj-section{padding-block:clamp(34px,5vw,72px)}
.mj-grid{display:grid;gap:clamp(14px,2vw,24px)}
.mj-grid--7-5{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.mj-grid--tiles{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}

/* ---------- type ---------- */
.mj-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  margin:0 0 14px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.18em;
  color:var(--jade);
}
.mj-eyebrow::before{
  content:"";width:22px;height:2px;background:var(--cinnabar);border-radius:2px;
}
.mj-h1{font-size:clamp(30px,4.6vw,56px);letter-spacing:-.02em}
.mj-h2{font-size:clamp(24px,3vw,34px);letter-spacing:-.018em}
.mj-h3{font-size:clamp(18px,2vw,22px);letter-spacing:-.01em}
.mj-lede{
  font-size:clamp(16px,1.4vw,18px);line-height:1.8;
  color:#2C4038;max-width:58ch;
}
.mj-text{font-size:15.5px;line-height:1.78;max-width:66ch}
.mj-mono{
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.02em;
  color:var(--deep);
}
.mj-meta{
  font-size:12.5px;line-height:1.6;letter-spacing:.02em;color:var(--mist);
}
.mj-rule{
  height:1px;border:0;margin:clamp(24px,3vw,40px) 0;
  background:linear-gradient(90deg,var(--gold),rgba(201,162,39,0));
}

/* ---------- strip ---------- */
.mj-strip{
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;
  min-height:12px;
  padding:13px var(--edge);
  background:linear-gradient(100deg,var(--deep) 0%,var(--jade) 58%,#12A98B 100%);
  border-left:6px solid var(--gold);
  color:var(--ivory);
  font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;
}

/* ---------- tile / panel ---------- */
.mj-tile{
  position:relative;
  display:flex;flex-direction:column;gap:9px;
  padding:20px 18px 18px;
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:4px 16px 4px 16px;
  box-shadow:var(--shadow-tile);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,border-color .22s ease;
}
.mj-tile:hover{
  transform:translate(2px,-2px);
  border-color:rgba(201,162,39,.85);
  box-shadow:0 24px 36px -26px rgba(10,79,62,.8);
}
.mj-tile__index{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.1em;
  color:var(--cinnabar);
}
.mj-tile__title{
  margin:0;font-family:var(--font-display);font-weight:900;
  font-size:17px;line-height:1.35;letter-spacing:-.005em;
}
.mj-tile__body{margin:0;font-size:14px;line-height:1.72;color:#33463F}
.mj-panel{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:18px 4px 18px 4px;
  padding:clamp(20px,3vw,34px);
  box-shadow:var(--shadow-tile);
}

/* ---------- buttons ---------- */
.mj-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;
  font-family:var(--font-display);font-size:15px;font-weight:700;letter-spacing:.02em;
  border-radius:10px;border:1px solid transparent;
  text-decoration:none;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.mj-btn--primary{background:var(--jade);color:var(--paper);box-shadow:0 14px 24px -18px rgba(10,79,62,.95)}
.mj-btn--primary:hover{background:var(--deep);transform:translateY(-1px)}
.mj-btn--ghost{background:transparent;border-color:var(--jade);color:var(--deep)}
.mj-btn--ghost:hover{background:rgba(14,122,95,.1)}
.mj-btn--quiet{background:var(--paper);border-color:rgba(196,64,46,.42);color:var(--cinnabar)}
.mj-btn--quiet:hover{border-color:var(--cinnabar);background:rgba(196,64,46,.06)}
.mj-btn-row{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0 0}

/* ---------- crumbs ---------- */
.mj-crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  list-style:none;
  font-family:var(--font-mono);font-size:12.5px;letter-spacing:.03em;
  color:var(--mist);
}
.mj-crumbs__item{display:inline-flex;align-items:center;gap:8px}
.mj-crumbs__item + .mj-crumbs__item::before{content:"/";color:rgba(126,145,137,.6)}
.mj-crumbs__item a{color:var(--jade);text-decoration:none}
.mj-crumbs__item a:hover{text-decoration:underline}

/* ---------- media ---------- */
.mj-media{
  position:relative;display:block;overflow:hidden;
  border:1px solid var(--line);
  border-radius:4px 18px 4px 18px;
  background:
    linear-gradient(135deg,rgba(14,122,95,.14),rgba(20,200,164,.08) 46%,rgba(201,162,39,.14));
  isolation:isolate;
}
.mj-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(45deg,rgba(255,253,248,.18) 0 2px,transparent 2px 9px);
}
.mj-media img{width:100%;height:100%;object-fit:cover}
.mj-media--tile{aspect-ratio:2/3}
.mj-media--portrait{aspect-ratio:3/4}
.mj-media--wide{aspect-ratio:16/9}

/* ---------- tags ---------- */
.mj-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 9px;border-radius:999px;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;line-height:1.5;
  color:var(--deep);background:rgba(247,242,230,.8);
  border:1px solid rgba(14,122,95,.45);
  white-space:nowrap;
}
.mj-tag--gold{border-color:rgba(201,162,39,.9);color:#7A5F09;background:rgba(201,162,39,.12)}
.mj-tag--red{border-color:var(--cinnabar);color:var(--cinnabar);background:rgba(196,64,46,.1)}

/* ---------- chapter rail ---------- */
.mj-rail{
  position:relative;
  display:flex;flex-direction:column;gap:14px;
  padding-left:16px;
}
.mj-rail::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:2px;
  background:rgba(126,145,137,.36);
}
.mj-rail__item{
  font-size:13px;line-height:1.5;letter-spacing:.02em;
  color:var(--mist);text-decoration:none;
  transition:color .2s ease;
}
.mj-rail__item:hover{color:var(--jade)}
.mj-rail__item[aria-current="true"]{color:var(--cyan);font-weight:700}

/* ---------- reveal ---------- */
@media (prefers-reduced-motion:no-preference){
  [data-reveal]{
    opacity:0;transform:translateY(12px);
    transition:opacity .26s ease,transform .26s cubic-bezier(.2,.7,.3,1);
  }
  [data-reveal].is-in{opacity:1;transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:1080px){
  .mj-footer__inner{grid-template-columns:1.2fr 1fr 1fr}
  .mj-footer__meta{grid-column:1 / -1;border-left:0;padding-left:0;border-top:1px dashed rgba(247,242,230,.2);padding-top:18px}
}
@media (max-width:960px){
  .mj-grid--7-5{grid-template-columns:1fr}
}
@media (max-width:900px){
  .mj-header__inner{min-height:66px;padding:10px var(--edge);gap:10px}
  .mj-version{display:none}
  .mj-burger{display:inline-flex;order:2}
  .mj-brand{order:1;margin-right:auto}
  .mj-nav{
    order:3;
    position:absolute;top:100%;left:0;right:0;
    display:none;
    background:var(--paper);
    border-bottom:2px solid var(--jade);
    box-shadow:0 26px 44px -28px rgba(10,79,62,.85);
    padding:8px var(--edge) 16px;
    max-height:min(72vh,540px);overflow-y:auto;
  }
  .mj-header[data-open] .mj-nav{display:block}
  .mj-nav__list{flex-direction:column;align-items:stretch;gap:0}
  .mj-nav__link{
    padding:13px 14px;font-size:16px;border-radius:0;
    border-bottom:1px solid var(--line-soft);
  }
  .mj-nav__link::after{
    left:0;right:auto;top:10px;bottom:10px;width:3px;height:auto;
    transform:scaleY(0);transform-origin:50% 0;
  }
  .mj-nav__link:hover::after,
  .mj-nav__link[aria-current="page"]::after{transform:scaleY(1)}
  .mj-nav__link[aria-current="page"]{background:rgba(14,122,95,.08)}
  .mj-brand__sub{display:none}
}
@media (max-width:720px){
  .mj-footer__inner{grid-template-columns:1fr;padding-bottom:clamp(30px,5vw,44px)}
  .mj-footer__contact,
  .mj-footer__meta{border-left:0;padding-left:0;border-top:1px dashed rgba(247,242,230,.2);padding-top:18px}
  .mj-seal{position:static;margin-top:18px;transform:rotate(-4deg);justify-self:start}
  .mj-footer__note{max-width:none}
  .mj-h1{font-size:clamp(26px,7vw,38px)}
}
@media (max-width:480px){
  .mj-brand__tile{width:38px;height:38px;font-size:19px}
  .mj-brand__name{font-size:15px}
  .mj-btn{width:100%}
  .mj-btn-row{gap:10px}
}
@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 !important;transform:none !important}
}