:root{
  --ink:#0A1512;
  --ink-2:#10231D;
  --ink-3:#16332A;
  --gold:#D4AF37;
  --cyan:#19E3C2;
  --amber:#FFB347;
  --paper:#E8E6DF;
  --muted:#8FA39C;
  --line:#1F4D40;
  --alert:#8C3A2B;
  --shell:1240px;
  --gutter:clamp(1rem,4vw,3rem);
  --step:clamp(2.75rem,7vw,6rem);
  --font-head:"Archivo Narrow","Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --font-body:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:9rem;
}
body,h1,h2,h3,h4,p,ul,ol,li,figure,blockquote,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
img,svg,video{display:block;max-width:100%;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
a{color:inherit;}
#main-content{outline:none;}

body{
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    radial-gradient(1100px 620px at 84% -10%, rgba(25,227,194,.075), transparent 62%),
    radial-gradient(900px 520px at 2% 14%, rgba(212,175,55,.055), transparent 64%),
    repeating-linear-gradient(90deg, rgba(31,77,64,.14) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(31,77,64,.10) 0 1px, transparent 1px 96px);
  background-attachment:fixed;
  color:var(--paper);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}

/* ---------- 容器与章节 ---------- */
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding-inline:var(--gutter);}
.section{padding-block:var(--step);position:relative;}
.section--tight{padding-block:calc(var(--step) * .5);}
.section__head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:1rem 2rem;margin-bottom:clamp(1.5rem,3vw,2.5rem);
  padding-bottom:1rem;border-bottom:1px solid var(--line);
}
.section__title{
  font-family:var(--font-head);
  font-size:clamp(1.5rem,3.6vw,2.4rem);
  font-weight:800;line-height:1.1;letter-spacing:.02em;
}
.section__note{max-width:44ch;font-size:.85rem;color:var(--muted);}
.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.28em;
  text-transform:uppercase;color:var(--gold);
}
.eyebrow::before{content:"";width:1.6rem;height:1px;background:var(--gold);}
.rule{height:1px;border:0;background:linear-gradient(90deg,var(--gold),rgba(31,77,64,.2) 55%,transparent);}
.slash{
  display:block;height:2px;width:clamp(56px,12vw,150px);
  background:linear-gradient(90deg,var(--gold),transparent);
  transform:skewY(-6deg);
}
.note{
  font-size:.82rem;line-height:1.7;color:var(--muted);
  padding-left:.85rem;border-left:2px solid var(--gold);
}

/* ---------- 网格 ---------- */
.grid{display:grid;gap:clamp(1.25rem,3vw,2.5rem);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--editorial{grid-template-columns:minmax(0,7fr) minmax(0,4fr);}
@media (max-width:900px){
  .grid--editorial{grid-template-columns:minmax(0,1fr);}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:620px){
  .grid--2,.grid--3{grid-template-columns:minmax(0,1fr);}
}

/* ---------- 按钮与芯片 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  padding:.8rem 1.4rem;border:1px solid var(--gold);background:transparent;
  color:var(--gold);font-size:.85rem;letter-spacing:.16em;line-height:1.2;
  text-decoration:none;transition:background .22s var(--ease),color .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease);
}
.btn:hover{background:var(--gold);color:var(--ink);transform:translateY(-2px);}
.btn--solid{background:var(--gold);color:var(--ink);font-weight:700;}
.btn--solid:hover{background:var(--amber);border-color:var(--amber);}
.btn--ghost{border-color:var(--line);color:var(--paper);}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);background:rgba(25,227,194,.07);}
.chipbar{display:flex;flex-wrap:wrap;gap:.5rem;}
.chip{
  padding:.45rem .95rem;border:1px solid var(--line);background:transparent;
  color:var(--muted);font-size:.78rem;letter-spacing:.12em;line-height:1.3;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.chip:hover{color:var(--paper);border-color:var(--cyan);}
.chip[aria-pressed="true"]{background:var(--gold);border-color:var(--gold);color:var(--ink);font-weight:700;}

/* ---------- 卡片 / 面板 / 标签 ---------- */
.panel{background:var(--ink-2);border:1px solid var(--line);padding:clamp(1.25rem,3vw,2.25rem);}
.card{
  position:relative;background:var(--ink-2);border:1px solid var(--line);
  padding:clamp(1.1rem,2.4vw,1.6rem);
  transition:transform .25s var(--ease),border-color .25s var(--ease),box-shadow .25s var(--ease);
}
.card:hover{transform:translateY(-2px);border-color:var(--gold);box-shadow:0 20px 42px -30px rgba(212,175,55,.75);}
.card__title{font-family:var(--font-head);font-size:1.15rem;line-height:1.35;margin-bottom:.5rem;color:var(--paper);}
.card__meta{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.12em;color:var(--muted);}
.card__body{font-size:.94rem;color:var(--muted);}
.tag{
  display:inline-block;padding:.2rem .6rem;font-size:.7rem;letter-spacing:.14em;
  color:var(--cyan);border:1px solid rgba(25,227,194,.35);background:rgba(25,227,194,.06);
}

/* ---------- 数据锚点 ---------- */
.stat{display:flex;flex-direction:column;gap:.35rem;min-width:0;}
.stat__value{
  font-family:var(--font-mono);font-weight:600;line-height:1;
  font-size:clamp(2rem,5.5vw,3.4rem);letter-spacing:-.03em;color:var(--amber);
}
.stat__label{font-size:.72rem;letter-spacing:.2em;color:var(--muted);}

/* ---------- 面包屑 ---------- */
.breadcrumbs{font-size:.75rem;letter-spacing:.1em;color:var(--muted);}
.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:.4rem;}
.breadcrumbs li{display:flex;align-items:center;gap:.4rem;}
.breadcrumbs li+li::before{content:"›";color:var(--line);}
.breadcrumbs a{color:var(--muted);text-decoration:none;}
.breadcrumbs a:hover{color:var(--cyan);}

/* ---------- 正文 ---------- */
.prose{max-width:70ch;font-size:1.02rem;line-height:1.85;color:#CBD6D1;}
.prose p+p{margin-top:1.1rem;}
.prose h3{margin:1.8rem 0 .6rem;font-family:var(--font-head);font-size:1.25rem;color:var(--paper);}
.prose a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;}

/* ---------- 图片容器 ---------- */
.frame{
  position:relative;display:block;overflow:hidden;
  aspect-ratio:16/9;border:1px solid var(--line);background-color:var(--ink-3);
  background-image:
    repeating-linear-gradient(0deg, rgba(31,77,64,.32) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, rgba(31,77,64,.32) 0 1px, transparent 1px 28px);
}
.frame img{width:100%;height:100%;object-fit:cover;}
.frame__caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:.65rem .85rem;font-size:.72rem;letter-spacing:.1em;color:var(--paper);
  background:linear-gradient(0deg, rgba(10,21,18,.94), rgba(10,21,18,0));
}
.frame--wide{aspect-ratio:21/9;}
.frame--tall{aspect-ratio:4/5;}
.frame--square{aspect-ratio:1/1;}

/* ---------- 跳转链接 ---------- */
.skip-link{
  position:absolute;left:50%;top:-120px;transform:translateX(-50%);
  z-index:120;padding:.7rem 1.2rem;background:var(--gold);color:var(--ink);
  font-size:.85rem;letter-spacing:.1em;text-decoration:none;
  transition:top .2s var(--ease);
}
.skip-link:focus{top:.5rem;}

/* ---------- 刊头 ---------- */
.masthead{
  position:sticky;top:0;z-index:60;color:var(--paper);
  background:linear-gradient(180deg, rgba(10,21,18,.98), rgba(10,21,18,.92));
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.masthead__rail{border-bottom:1px solid rgba(31,77,64,.6);}
.masthead__rail-inner{
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:.5rem var(--gutter);font-size:.75rem;
}
.round-search{
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.35rem .9rem .35rem .65rem;
  border:1px solid var(--line);border-radius:2px;
  background:linear-gradient(90deg, rgba(25,227,194,.08), rgba(25,227,194,0));
  text-decoration:none;letter-spacing:.14em;white-space:nowrap;
  transition:border-color .2s var(--ease),background .2s var(--ease);
}
.round-search:hover{border-color:var(--cyan);background:linear-gradient(90deg, rgba(25,227,194,.16), rgba(25,227,194,0));}
.round-search__icon{width:.68rem;height:.68rem;border:1px solid var(--gold);transform:rotate(45deg);flex:none;}
.round-search__label{color:var(--muted);}
.round-search__value{font-family:var(--font-mono);color:var(--amber);}
.masthead__ticker{display:flex;align-items:center;gap:.5rem;color:var(--muted);letter-spacing:.14em;white-space:nowrap;}
.masthead__pulse{
  width:.5rem;height:.5rem;border-radius:50%;background:var(--cyan);flex:none;
  animation:pulse 2.4s var(--ease) infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(25,227,194,.55);}
  70%{box-shadow:0 0 0 8px rgba(25,227,194,0);}
  100%{box-shadow:0 0 0 0 rgba(25,227,194,0);}
}
.masthead__cta{
  display:inline-flex;align-items:center;
  padding:.42rem .95rem;border:1px solid var(--gold);
  color:var(--gold);font-size:.75rem;letter-spacing:.14em;text-decoration:none;
  white-space:nowrap;
  transition:background .22s var(--ease),color .22s var(--ease);
}
.masthead__cta:hover{background:var(--gold);color:var(--ink);}

.masthead__brandbar-inner{
  position:relative;display:flex;align-items:center;justify-content:center;
  width:100%;max-width:var(--shell);margin:0 auto;
  padding:.95rem var(--gutter) .7rem;
}
.brandmark{display:flex;flex-direction:column;align-items:center;gap:.2rem;text-decoration:none;}
.brandmark__glyph{font-size:.6rem;letter-spacing:.7em;text-indent:.7em;color:var(--gold);}
.brandmark__name{
  font-family:var(--font-head);font-weight:800;line-height:1;
  font-size:clamp(1.45rem,4.4vw,2.3rem);letter-spacing:.4em;text-indent:.4em;
  color:var(--paper);
}
.brandmark__sub{font-family:var(--font-mono);font-size:.6rem;letter-spacing:.4em;text-indent:.4em;color:var(--muted);}
.brandmark::after{
  content:"";width:clamp(64px,22vw,168px);height:1px;margin-top:.5rem;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
}
.nav-toggle{
  display:none;align-items:center;gap:.55rem;
  padding:.5rem .8rem;border:1px solid var(--line);
  color:var(--paper);font-size:.75rem;letter-spacing:.16em;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}
.nav-toggle__bars{display:flex;flex-direction:column;gap:3px;width:16px;}
.nav-toggle__bars i{display:block;height:1px;background:currentColor;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(4px) 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(-4px) rotate(-45deg);}
.nav-toggle__text{line-height:1;}

.mainnav{border-top:1px solid rgba(31,77,64,.55);}
.mainnav__list{
  display:flex;align-items:center;justify-content:center;
  gap:clamp(.75rem,2.6vw,2.2rem);
  width:100%;max-width:var(--shell);margin:0 auto;padding:0 var(--gutter);
}
.mainnav__link{
  position:relative;display:block;padding:.8rem .2rem;
  font-size:.88rem;letter-spacing:.16em;color:var(--muted);text-decoration:none;
  transition:color .2s var(--ease);
}
.mainnav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:.4rem;height:2px;
  background:var(--cyan);transform:scaleX(0);transform-origin:center;
  transition:transform .25s var(--ease),background .25s var(--ease);
}
.mainnav__link:hover{color:var(--paper);}
.mainnav__link:hover::after{transform:scaleX(1);}
.mainnav__link[aria-current="page"]{color:var(--gold);}
.mainnav__link[aria-current="page"]::after{transform:scaleX(1);background:var(--gold);}

.scroll-meter{position:absolute;left:0;right:0;bottom:-1px;height:2px;background:rgba(31,77,64,.6);}
.scroll-meter__bar{
  display:block;height:100%;width:100%;transform:scaleX(0);transform-origin:left center;
  background:linear-gradient(90deg,var(--cyan),var(--gold) 55%,var(--amber));
}

/* ---------- 页脚 ---------- */
.sitefoot{
  position:relative;margin-top:var(--step);
  background:var(--ink-2);border-top:1px solid var(--line);
  padding:clamp(2.5rem,5vw,4.5rem) 0 1.5rem;
}
.sitefoot::before{
  content:"";position:absolute;top:-1px;left:0;width:38%;height:1px;
  background:linear-gradient(90deg,var(--gold),transparent);
}
.sitefoot__grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.15fr;
  gap:clamp(1.5rem,3vw,3rem);
  width:100%;max-width:var(--shell);margin:0 auto;padding:0 var(--gutter);
}
.sitefoot__col{min-width:0;}
.sitefoot__col:nth-child(2){padding-top:1.6rem;}
.sitefoot__col:nth-child(4){padding-top:.8rem;}
.sitefoot__brand{
  font-family:var(--font-head);font-size:1.4rem;letter-spacing:.22em;
  color:var(--paper);margin-bottom:.6rem;
}
.sitefoot__title{
  font-family:var(--font-head);font-size:.8rem;letter-spacing:.26em;
  text-transform:uppercase;color:var(--gold);margin-bottom:1rem;
}
.sitefoot__list{display:flex;flex-direction:column;gap:.5rem;}
.sitefoot__link{
  display:inline-block;font-size:.85rem;color:var(--muted);text-decoration:none;
  transition:color .2s var(--ease);
}
.sitefoot__link::before{content:"—";margin-right:.5rem;color:var(--line);}
.sitefoot__link:hover{color:var(--gold);}
.sitefoot__meta{font-size:.78rem;line-height:1.7;color:var(--muted);margin-top:.4rem;}
.sitefoot__bottom{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:.5rem;width:100%;max-width:var(--shell);margin:clamp(2rem,4vw,3rem) auto 0;
  padding:1.1rem var(--gutter) 0;border-top:1px solid rgba(31,77,64,.7);
  font-size:.75rem;color:var(--muted);text-align:center;
}
.sitefoot__legal{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:.4rem .8rem;}
.sitefoot__sep{color:var(--line);}
.sitefoot__addr{color:#6F8480;letter-spacing:.04em;}

/* ---------- 揭示与筛选状态 ---------- */
[data-reveal]{
  opacity:0;transform:translate3d(0,16px,0);
  transition:opacity .55s var(--ease),transform .55s var(--ease);
}
[data-reveal].is-revealed{opacity:1;transform:none;}
html:not(.js) [data-reveal]{opacity:1;transform:none;}
.is-hidden{display:none !important;}

/* ---------- 响应式 ---------- */
@media (max-width:1000px){
  .sitefoot__grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .sitefoot__col:nth-child(2),
  .sitefoot__col:nth-child(4){padding-top:0;}
}
@media (max-width:860px){
  .masthead__ticker{display:none;}
  .nav-toggle{display:inline-flex;position:absolute;right:var(--gutter);top:50%;transform:translateY(-50%);}
  .masthead__brandbar-inner{justify-content:flex-start;padding-right:calc(var(--gutter) + 6.5rem);}
  .brandmark{align-items:flex-start;}
  .brandmark::after{width:clamp(48px,18vw,110px);}
  .mainnav__list{
    justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;
    gap:1.4rem;padding-bottom:.15rem;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .mainnav__list::-webkit-scrollbar{display:none;}
  .mainnav__link{white-space:nowrap;font-size:.84rem;padding:.7rem 0;}
  .masthead[data-open] .mainnav__list{
    flex-direction:column;align-items:stretch;flex-wrap:wrap;
    overflow:visible;gap:0;padding-bottom:.5rem;
  }
  .masthead[data-open] .mainnav__link{
    width:100%;padding:.75rem 0;border-bottom:1px solid rgba(31,77,64,.5);
  }
  .masthead[data-open] .mainnav__link::after{display:none;}
  .masthead[data-open] .mainnav__link[aria-current="page"]{color:var(--gold);}
}
@media (max-width:640px){
  .sitefoot__grid{grid-template-columns:minmax(0,1fr);}
  .sitefoot__bottom{text-align:center;}
}
@media (max-width:560px){
  .round-search__label{display:none;}
  .masthead__rail-inner{font-size:.7rem;}
}
@media (min-width:900px){
  .sitefoot__bottom{
    display:grid;grid-template-columns:1fr auto 1fr;align-items:center;
    justify-items:center;text-align:left;
  }
  .sitefoot__legal{grid-column:2;justify-content:center;}
  .sitefoot__addr{grid-column:3;justify-self:end;text-align:right;}
}

@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;}
}