:root{
  --color-gold:#D4AF37;
  --color-red:#C8102E;
  --color-night:#0B1E36;
  --color-violet:#3B1F5E;
  --color-paper:#FBF6EC;
  --color-ink:#2E2A28;
  --color-brown:#A67C00;
  --color-signal:#00E5A0;
  --gradient-gold-red:linear-gradient(135deg,#D4AF37,#C8102E);
  --font-heading:Georgia,'Noto Serif SC',serif;
  --font-body:system-ui,-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  --header-height:80px;
  --content-max:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
*{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;}
button,input,select,textarea{font:inherit;border:none;background:none;color:inherit;}
button{cursor:pointer;}
img{display:block;max-width:100%;}

html{
  scroll-behavior:smooth;
  -webkit-text-size-adjust:100%;
}

body{
  background:var(--color-paper);
  color:var(--color-ink);
  font-family:var(--font-body);
  font-size:1rem;
  font-weight:400;
  line-height:1.75;
  min-height:100vh;
  overflow-x:hidden;
}

::selection{
  background:var(--color-gold);
  color:var(--color-night);
}

:focus-visible{
  outline:3px solid var(--color-gold);
  outline-offset:3px;
  border-radius:4px;
}

#main-content{
  scroll-margin-top:calc(var(--header-height) + 16px);
}

.container{
  width:min(var(--content-max),92%);
  margin-inline:auto;
}

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

.skip-link{
  position:fixed;
  top:-100vh;
  left:1rem;
  z-index:2000;
  display:inline-flex;
  align-items:center;
  background:var(--color-night);
  color:var(--color-gold);
  font-weight:700;
  text-decoration:none;
  padding:.7rem 1.2rem;
  border-radius:0 0 12px 12px;
  box-shadow:0 8px 24px rgba(11,30,54,.35);
  transition:top .25s ease;
}

.skip-link:focus-visible{
  top:0;
}

h1,h2,h3,h4,h5,h6{
  font-family:var(--font-heading);
  font-weight:900;
  line-height:1.25;
  color:var(--color-ink);
}

.lead{
  font-size:1.1rem;
  color:rgba(46,42,40,.85);
  line-height:1.8;
  max-width:62ch;
}

.meta{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem 1rem;
  font-size:.85rem;
  color:rgba(46,42,40,.65);
}

.section{
  padding-block:3rem;
}

.section-heading{
  margin-bottom:1.5rem;
}

.section-title{
  position:relative;
  font-size:clamp(1.7rem,3.5vw,2.6rem);
  font-weight:900;
  line-height:1.2;
  padding-bottom:.6rem;
}

.section-title::after{
  content:"";
  display:block;
  width:72px;
  height:4px;
  margin-top:.6rem;
  background:linear-gradient(90deg, var(--color-gold), var(--color-red));
  border-radius:999px;
}

.section-subtitle{
  margin-top:.4rem;
  color:rgba(46,42,40,.7);
}

.section-divider{
  height:1px;
  border:0;
  background:linear-gradient(90deg, var(--color-brown), rgba(166,124,0,.15), transparent);
}

.grid{
  display:grid;
  gap:1.5rem;
}

.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:640px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
}

.card{
  position:relative;
  padding:1.5rem;
  background:rgba(255,255,255,.35);
  border:1px solid rgba(166,124,0,.16);
  border-radius:6px;
  transition:border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.card:hover{
  border-color:var(--color-gold);
  transform:translateY(-3px);
  box-shadow:0 14px 30px rgba(11,30,54,.08);
}

.card-title{
  font-size:1.35rem;
  line-height:1.3;
  margin-bottom:.6rem;
}

.card-title a{
  text-decoration:none;
  color:var(--color-ink);
}

.card-title a:hover{
  color:var(--color-red);
}

.card-body{
  font-size:.95rem;
  color:rgba(46,42,40,.8);
}

.card-meta{
  margin-top:1rem;
  font-size:.82rem;
  color:var(--color-brown);
}

.btn-group{
  display:flex;
  flex-wrap:wrap;
  gap:.8rem;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding:.75rem 1.4rem;
  font-weight:700;
  font-family:var(--font-body);
  text-decoration:none;
  border-radius:6px;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
  line-height:1.2;
}

.btn-primary{
  background:var(--gradient-gold-red);
  color:#fff;
  box-shadow:0 6px 18px rgba(200,16,46,.18);
  transform:skew(-6deg);
}

.btn-primary span{
  display:inline-block;
  transform:skew(6deg);
}

.btn-primary:hover{
  transform:translateY(-2px) skew(-6deg);
  box-shadow:0 12px 24px rgba(200,16,46,.28);
}

.btn-secondary{
  background:transparent;
  color:var(--color-ink);
  border:1px solid var(--color-brown);
}

.btn-secondary:hover{
  border-color:var(--color-red);
  color:var(--color-red);
  transform:translateY(-2px);
}

.tag{
  display:inline-flex;
  align-items:center;
  padding:.25rem .7rem;
  font-size:.78rem;
  font-weight:600;
  border-radius:999px;
  background:rgba(200,16,46,.08);
  border:1px solid rgba(200,16,46,.2);
  color:var(--color-red);
  text-decoration:none;
}

.chip{
  display:inline-flex;
  align-items:center;
  padding:.35rem .8rem;
  font-size:.85rem;
  font-weight:600;
  border-radius:999px;
  background:rgba(11,30,54,.06);
  border:1px solid rgba(166,124,0,.22);
  color:var(--color-night);
  cursor:pointer;
  transition:background .2s ease, color .2s ease, border-color .2s ease;
}

.chip:hover{
  border-color:var(--color-gold);
}

.chip[aria-pressed="true"]{
  background:var(--color-night);
  border-color:var(--color-night);
  color:var(--color-gold);
}

.status-dot{
  display:inline-block;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--color-signal);
  box-shadow:0 0 0 0 rgba(0,229,160,.45);
  animation:pulse 2s ease-out infinite;
}

@keyframes pulse{
  70%{box-shadow:0 0 0 8px rgba(0,229,160,0);}
  100%{box-shadow:0 0 0 0 rgba(0,229,160,0);}
}

.status-panel{
  position:relative;
  background:var(--color-night);
  border-left:4px solid var(--color-gold);
  border-radius:0 18px 18px 0;
  padding:1.6rem 1.8rem;
  color:var(--color-paper);
  box-shadow:0 16px 38px rgba(11,30,54,.18);
  overflow:hidden;
}

.status-panel::after{
  content:"";
  position:absolute;
  top:0;
  right:0;
  width:80px;
  height:80px;
  background:linear-gradient(135deg, transparent 45%, var(--color-violet) 45%, var(--color-gold));
  opacity:.2;
  clip-path:polygon(0 0,100% 0,100% 100%);
}

.status-title{
  font-family:var(--font-heading);
  font-size:1.2rem;
  color:var(--color-gold);
  letter-spacing:.05em;
  margin-bottom:.8rem;
}

.status-list{
  display:grid;
  gap:.5rem;
}

.status-item{
  display:flex;
  justify-content:space-between;
  gap:1rem;
  padding:.5rem 0;
  border-bottom:1px solid rgba(251,246,236,.1);
}

.status-item:last-child{
  border-bottom:0;
}

.status-label{
  color:rgba(251,246,236,.72);
  font-size:.9rem;
}

.status-value{
  color:var(--color-paper);
  font-weight:600;
  font-size:.9rem;
}

.breadcrumb{
  margin-bottom:1.5rem;
}

.breadcrumb-list{
  display:flex;
  flex-wrap:wrap;
  gap:.25rem .5rem;
  font-size:.9rem;
}

.breadcrumb-item{
  display:inline-flex;
  align-items:center;
}

.breadcrumb-item + .breadcrumb-item::before{
  content:"/";
  margin-right:.5rem;
  color:var(--color-brown);
}

.breadcrumb-link{
  color:var(--color-brown);
  text-decoration:none;
}

.breadcrumb-link:hover{
  color:var(--color-red);
}

.breadcrumb-current{
  color:var(--color-ink);
  font-weight:600;
}

.page-header{
  padding-block:3rem 2.4rem;
  border-bottom:1px solid rgba(166,124,0,.22);
  margin-bottom:2.5rem;
}

.page-title{
  font-size:clamp(2.4rem,6vw,4rem);
  font-weight:900;
  line-height:1.08;
  letter-spacing:-.02em;
  max-width:16ch;
}

.page-header .page-title::after{
  content:"";
  display:block;
  width:88px;
  height:5px;
  margin-top:.7rem;
  background:var(--gradient-gold-red);
  border-radius:999px;
}

.page-lead{
  margin-top:1rem;
  font-size:1.08rem;
  max-width:62ch;
  color:rgba(46,42,40,.82);
}

.post-list{
  display:grid;
  gap:1rem;
}

.post-item{
  padding:1.3rem 0;
  border-bottom:1px solid rgba(166,124,0,.18);
}

.post-item:last-child{
  border-bottom:0;
}

.post-date{
  display:block;
  font-size:.78rem;
  letter-spacing:.12em;
  color:var(--color-brown);
  text-transform:uppercase;
  margin-bottom:.3rem;
}

.post-link{
  display:inline-block;
  font-family:var(--font-heading);
  font-weight:800;
  font-size:1.25rem;
  color:var(--color-ink);
  text-decoration:none;
  line-height:1.4;
  transition:color .18s ease;
}

.post-link:hover{
  color:var(--color-red);
}

.post-excerpt{
  margin-top:.5rem;
  color:rgba(46,42,40,.75);
  font-size:.95rem;
}

.image-placeholder{
  position:relative;
  aspect-ratio:4 / 3;
  border-radius:12px;
  overflow:hidden;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg, rgba(11,30,54,.95), rgba(59,31,94,.85));
  color:var(--color-gold);
  border:1px solid rgba(212,175,55,.25);
}

.image-placeholder::before{
  content:"";
  position:absolute;
  inset:-25%;
  background:repeating-linear-gradient(
    -45deg,
    rgba(212,175,55,.22) 0px,
    rgba(212,175,55,.22) 10px,
    transparent 10px,
    transparent 28px
  );
  transform:skewY(-6deg);
}

.image-placeholder::after{
  content:attr(data-label);
  position:relative;
  z-index:2;
  font-family:var(--font-heading);
  font-weight:700;
  letter-spacing:.16em;
  text-transform:uppercase;
  font-size:.85rem;
  text-align:center;
  padding:1rem;
  border:1px solid rgba(212,175,55,.35);
  border-radius:999px;
}

.img-frame{
  overflow:hidden;
  border-radius:12px;
  border:1px solid rgba(212,175,55,.3);
  background:var(--color-night);
}

/* ========== Header ========== */

.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(251,246,236,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(166,124,0,.18);
  transition:box-shadow .3s ease, background .3s ease;
}

.site-header.is-scrolled{
  background:rgba(251,246,236,.96);
  box-shadow:0 12px 32px rgba(11,30,54,.12);
}

.top-stripe{
  height:3px;
  background:linear-gradient(90deg, var(--color-red), var(--color-gold) 55%, var(--color-violet));
}

.scroll-progress{
  position:absolute;
  top:0;
  left:0;
  height:3px;
  width:0%;
  z-index:5;
  background:linear-gradient(90deg, var(--color-gold), var(--color-red), var(--color-signal));
  transition:width .08s linear;
}

.header-shell{
  max-width:1440px;
  margin-inline:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  min-height:76px;
  padding:.7rem max(2rem, calc((100% - 1400px) / 2));
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:.65rem;
  text-decoration:none;
  color:var(--color-ink);
  flex-shrink:0;
}

.brand-mark{
  display:grid;
  place-items:center;
  width:44px;
  height:44px;
  background:var(--gradient-gold-red);
  color:#fff;
  font-family:var(--font-heading);
  font-weight:900;
  font-size:1.4rem;
  border-radius:10px 10px 10px 3px;
  transform:skew(-8deg);
  box-shadow:0 6px 16px rgba(200,16,46,.25);
  line-height:1;
}

.brand-text{
  font-family:var(--font-heading);
  font-weight:900;
  font-size:1.4rem;
  letter-spacing:.02em;
  line-height:1.1;
}

.brand-text em{
  font-style:normal;
  color:var(--color-red);
}

.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  gap:6px;
  width:46px;
  height:46px;
  border-radius:12px;
  background:rgba(212,175,55,.14);
  border:1px solid rgba(212,175,55,.4);
  z-index:80;
}

.nav-toggle-line{
  display:block;
  width:22px;
  height:2px;
  background:var(--color-ink);
  border-radius:999px;
  transition:transform .25s ease, opacity .25s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1){
  transform:translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2){
  opacity:0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3){
  transform:translateY(-8px) rotate(-45deg);
}

.site-nav{
  display:flex;
  align-items:center;
}

.nav-list{
  display:flex;
  gap:.2rem;
  padding:.4rem;
  border-radius:999px;
  background:rgba(251,246,236,.6);
  border:1px solid rgba(166,124,0,.25);
  box-shadow:0 6px 18px rgba(11,30,54,.06);
}

.nav-link{
  display:block;
  padding:.6rem 1rem;
  border-radius:999px;
  font-weight:600;
  font-size:.95rem;
  color:var(--color-ink);
  text-decoration:none;
  white-space:nowrap;
  transition:background .2s ease, color .2s ease, box-shadow .2s ease;
}

.nav-link:hover{
  background:var(--color-night);
  color:var(--color-paper);
  box-shadow:0 0 0 3px rgba(212,175,55,.22);
}

.nav-link[aria-current="page"]{
  background:var(--gradient-gold-red);
  color:#fff;
  box-shadow:0 4px 16px rgba(200,16,46,.28);
}

@media (max-width:980px){
  .brand-text{
    font-size:1.2rem;
  }

  .nav-link{
    padding:.5rem .8rem;
    font-size:.88rem;
  }
}

@media (max-width:860px){
  .header-shell{
    min-height:68px;
  }

  .nav-toggle{
    display:inline-flex;
  }

  .site-nav{
    position:absolute;
    top:calc(100% + 10px);
    right:max(1rem, calc((100% - 460px) / 2));
    width:min(22rem, calc(100% - 2rem));
    background:var(--color-paper);
    border:1px solid rgba(166,124,0,.28);
    border-radius:18px;
    box-shadow:0 24px 52px rgba(11,30,54,.3);
    padding:1rem;
    opacity:0;
    visibility:hidden;
    transform:translateY(-14px);
    transition:opacity .25s ease, transform .25s ease, visibility .25s ease;
  }

  .site-nav[data-open]{
    opacity:1;
    visibility:visible;
    transform:translateY(0);
  }

  .nav-list{
    display:grid;
    gap:.3rem;
    padding:0;
    background:transparent;
    border:0;
    box-shadow:none;
  }

  .nav-link{
    font-size:1.05rem;
    padding:.8rem 1rem;
    border-radius:10px;
  }

  .nav-link[aria-current="page"]{
    background:var(--color-night);
    color:var(--color-gold);
    box-shadow:none;
  }
}

/* ========== Footer ========== */

.site-footer{
  background:var(--color-night);
  color:var(--color-paper);
  position:relative;
  overflow:hidden;
}

.footer-decor{
  height:4px;
  background:linear-gradient(90deg, transparent, var(--color-gold), var(--color-red), var(--color-gold), transparent);
}

.footer-shell{
  width:min(var(--content-max),92%);
  margin-inline:auto;
  padding-block:3.5rem 2.2rem;
}

.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:2.5rem;
}

.footer-brand{
  display:flex;
  flex-direction:column;
  gap:1rem;
}

.footer-brand-link{
  display:inline-flex;
  align-items:center;
  gap:.7rem;
  font-family:var(--font-heading);
  font-weight:900;
  font-size:1.5rem;
  color:var(--color-paper);
  text-decoration:none;
}

.footer-brand-mark{
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  background:var(--gradient-gold-red);
  color:#fff;
  font-family:var(--font-heading);
  font-weight:900;
  font-size:1.4rem;
  border-radius:10px 10px 10px 3px;
  transform:skew(-8deg);
  box-shadow:0 6px 18px rgba(200,16,46,.3);
  line-height:1;
}

.footer-tagline{
  color:rgba(251,246,236,.68);
  font-size:.95rem;
}

.footer-links{
  display:flex;
  flex-direction:column;
  gap:.5rem;
}

.footer-heading{
  font-size:.95rem;
  font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--color-gold);
  margin-bottom:.4rem;
  padding-bottom:.4rem;
  border-bottom:1px solid rgba(212,175,55,.25);
}

.footer-link{
  color:rgba(251,246,236,.78);
  text-decoration:none;
  font-size:.94rem;
  padding-block:.2rem;
  transition:color .2s ease, padding-left .2s ease;
}

.footer-link:hover{
  color:var(--color-gold);
  padding-left:.3rem;
}

.footer-updates{
  display:flex;
  flex-direction:column;
  gap:.7rem;
}

.footer-update-note{
  display:flex;
  align-items:center;
  gap:.5rem;
  color:var(--color-signal);
  font-weight:600;
  font-size:.95rem;
}

.footer-update-more{
  color:rgba(251,246,236,.7);
  font-size:.9rem;
  line-height:1.7;
}

.footer-legal{
  margin-top:3rem;
  padding-top:1.4rem;
  border-top:1px solid rgba(251,246,236,.14);
}

.footer-legal p{
  font-size:.9rem;
  color:rgba(251,246,236,.72);
  max-width:90ch;
}

.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.7rem 1.8rem;
  margin-top:1.4rem;
  padding-top:1.2rem;
  border-top:1px solid rgba(212,175,55,.22);
  font-size:.85rem;
  color:rgba(251,246,236,.7);
}

.footer-bottom span{
  display:inline-flex;
  align-items:center;
}

.footer-copy{
  color:var(--color-gold);
  font-weight:600;
}

@media (max-width:900px){
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:2rem;
  }
}

@media (max-width:560px){
  .footer-grid{
    grid-template-columns:1fr;
    gap:2rem;
  }

  .footer-shell{
    padding-block:2.5rem 1.8rem;
  }
}

/* ========== Back to Top ========== */

.back-to-top{
  position:fixed;
  right:1.2rem;
  bottom:1.2rem;
  z-index:90;
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  padding:.65rem 1rem;
  background:var(--color-night);
  color:var(--color-gold);
  border:1px solid rgba(212,175,55,.55);
  border-radius:999px;
  font-weight:600;
  font-size:.88rem;
  opacity:0;
  visibility:hidden;
  transform:translateY(14px);
  transition:opacity .2s ease, transform .2s ease, visibility .2s ease, background .2s ease, color .2s ease;
}

.back-to-top:hover{
  background:var(--gradient-gold-red);
  color:#fff;
  border-color:transparent;
}

.back-to-top[data-visible]{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

/* ========== Motion Preferences ========== */

@media (prefers-reduced-motion: reduce){
  html{
    scroll-behavior:auto;
  }

  .status-dot{
    animation:none;
  }

  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}