@import url('https://fonts.googleapis.com/css2?family=Libre+Bodoni:wght@400;500;600;700&family=Public+Sans:wght@300;400;500;600;700&display=swap');

:root{
  --ink:#000000;
  --paper:#ffffff;
  --mute:#5c5c5c;
  --rule:#000000;
  --r:4px;
  --pad:clamp(1rem,4vw,3rem);
  --sans:"Public Sans",Helvetica,Arial,system-ui,-apple-system,sans-serif;
  --serif:"Libre Bodoni","Times New Roman",Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
html.lock{overflow:hidden}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.65;font-weight:400;-webkit-font-smoothing:antialiased}
div{scroll-margin-top:96px}
img{max-width:100%}
button{font:inherit}
a{color:inherit}
:focus-visible{outline:3px solid #000;outline-offset:2px}

/* 顶部细条 */
.ticker{display:flex;align-items:center;gap:.6rem;background:#000;color:#fff;padding:.55rem var(--pad);font-size:1rem;line-height:1.4;letter-spacing:.02em}
.ticker__dot{flex:none;width:.5rem;height:.5rem;border-radius:50%;background:#fff}

/* 报头 */
.mast{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.6rem var(--pad);background:rgba(255,255,255,.88);backdrop-filter:blur(12px) saturate(120%);-webkit-backdrop-filter:blur(12px) saturate(120%);border-bottom:1px solid var(--rule)}
.mast__mark{display:inline-flex;align-items:center;min-height:44px;font-family:var(--serif);font-size:1.35rem;font-weight:600;text-decoration:none;letter-spacing:.01em;white-space:nowrap}
.mark__img{display:block;height:32px;width:auto}
.mast__rail{flex:1 1 auto;min-width:0}
.mast__rail p{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:0 .1rem;margin:0}
.mast__rail a{display:inline-flex;align-items:center;min-height:44px;padding:.4rem .65rem;font-size:1rem;text-decoration:none;border-bottom:2px solid transparent}
.mast__rail a:hover{border-bottom-color:var(--ink)}
.mast__burger{display:inline-flex;align-items:center;gap:.5rem;min-height:44px;padding:.55rem .9rem;background:#000;color:#fff;border:1px solid #000;border-radius:var(--r);font-size:1rem;cursor:pointer}
.bars{display:block;width:18px;height:8px;border-top:2px solid #fff;border-bottom:2px solid #fff}

/* 全屏遮罩菜单 */
.drawer{position:fixed;inset:0;z-index:70;display:grid;grid-template-rows:auto 1fr;padding:clamp(1rem,4vw,2rem);background:#000;color:#fff;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity .28s ease,transform .28s ease,visibility .28s ease}
.drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer__top{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-bottom:1rem;border-bottom:1px solid #fff}
.drawer__brand{font-family:var(--serif);font-size:1.25rem;font-weight:600}
.drawer__x{min-height:44px;padding:.6rem 1rem;background:none;color:#fff;border:1px solid #fff;border-radius:var(--r);font-size:1rem;cursor:pointer}
.drawer__nav{overflow:auto}
.drawer__nav p{display:flex;flex-direction:column;margin:1.2rem 0 0}
.drawer__nav a{display:flex;align-items:center;min-height:54px;padding:.6rem 0;color:#fff;text-decoration:none;font-family:var(--serif);font-size:clamp(1.4rem,5.6vw,2.2rem);line-height:1.2;border-bottom:1px solid rgba(255,255,255,.22)}
.drawer__nav a:hover{padding-left:.6rem}

/* 首屏 */
.hero{position:relative;display:grid;align-content:end;justify-items:end;gap:1rem;min-height:70vh;padding:clamp(1.5rem,6vw,4rem) var(--pad) clamp(2.5rem,8vw,5rem);overflow:hidden;background:#101010;color:#fff;text-align:right}
.hero__media{position:absolute;inset:0;overflow:hidden;clip-path:polygon(0 0,100% 0,100% 100%,0 calc(100% - 44px))}
.hero__img{display:block;width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.06);will-change:transform}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(to top,rgba(0,0,0,.86),rgba(0,0,0,.22) 56%,rgba(0,0,0,.46))}
.hero__text{position:relative;z-index:1;max-width:52ch}
.hero__h1{margin:0 0 .8rem;font-family:var(--serif);font-weight:500;font-size:clamp(2rem,6.2vw,4.4rem);line-height:1.06;letter-spacing:-.01em}
.hero__lead{margin:0;font-size:1.05rem;line-height:1.6;color:#efefef}

/* 正文骨架 */
.sheet{background:linear-gradient(180deg,#f2f2f2 0%,#ffffff 36%)}
.sheet__body{display:grid;grid-template-columns:repeat(12,1fr);gap:1.5rem 1rem;max-width:1280px;margin:0 auto;padding:clamp(2rem,6vw,4rem) var(--pad) clamp(3rem,8vw,5rem)}
.prose{grid-column:1 / span 8;min-width:0}

.prose h2{margin:3rem 0 .6rem;padding-top:1.2rem;border-top:1px solid var(--rule);font-family:var(--serif);font-weight:500;font-size:clamp(1.55rem,3.4vw,2.3rem);line-height:1.2;letter-spacing:-.01em}
.prose h2:first-child{margin-top:0}
.prose h3{margin:2rem 0 .4rem;font-size:1.18rem;line-height:1.35;letter-spacing:.01em}
.prose p{margin:0 0 1.2rem}
.prose ul,.prose ol{margin:0 0 1.2rem;padding-left:1.5rem}
.prose li{margin-bottom:.5rem}
.prose li::marker{color:#000}
.prose a{color:#000;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover{background:#000;color:#fff;text-decoration:none}
.prose strong{font-weight:700}
.prose blockquote{margin:1.6rem 0;padding:1rem 1.2rem;border-left:4px solid #000;background:#f4f4f4;border-radius:0 var(--r) var(--r) 0}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{display:block;height:auto;margin:1.6rem 0;border-radius:var(--r);border:1px solid #000}
.prose figure{margin:1.6rem 0}
.prose figcaption{font-size:1rem;color:var(--mute);margin-top:.4rem}
.prose table{width:100%;border-collapse:collapse;margin:1.6rem 0;font-size:1rem}
.prose th,.prose td{border:1px solid #000;padding:.6rem .7rem;text-align:left;vertical-align:top}
.prose th{background:#000;color:#fff;font-weight:600}
.prose hr{margin:2.4rem 0;border:0;border-top:1px solid #000}
.prose div + div{margin-top:1rem}

/* 侧栏 */
.side{grid-column:10 / span 3;align-self:start;position:sticky;top:96px;padding:1.1rem;background:rgba(255,255,255,.62);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border:1px solid #000;border-radius:var(--r)}
.side__h2{margin:0;font-family:var(--serif);font-weight:600;font-size:1.25rem;line-height:1.2}
.subtitle{margin:.25rem 0 1rem;padding-bottom:.7rem;font-size:1rem;line-height:1.4;color:var(--mute);border-bottom:1px solid var(--ink)}
.side__list{margin:0;padding:0;list-style:none}
.side__list li{border-top:1px solid rgba(0,0,0,.16)}
.side__list li:first-child{border-top:0}
.side__list a{display:flex;align-items:center;min-height:44px;padding:.5rem 0;font-size:1rem;line-height:1.4;text-decoration:none}
.side__list a:hover{text-decoration:underline;text-underline-offset:3px}
.side__top{display:inline-flex;align-items:center;min-height:44px;margin-top:.9rem;padding-top:.7rem;border-top:1px solid var(--ink);width:100%;font-size:1rem;text-decoration:none}
.side__top:hover{text-decoration:underline}

/* 页脚 */
.foot{display:grid;grid-template-columns:1.5fr 1fr auto;gap:2rem;align-items:start;padding:clamp(2rem,6vw,3.5rem) var(--pad) clamp(1.6rem,4vw,2.4rem);background:#000;color:#fff;border-top:4px solid #000}
.foot__cta{min-width:0}
.foot__big{margin:0 0 .7rem;font-family:var(--serif);font-weight:500;font-size:clamp(1.7rem,4vw,2.5rem);line-height:1.1}
.foot__top{display:inline-flex;align-items:center;min-height:44px;color:#fff;text-decoration:none;border-bottom:2px solid #fff;padding:0 .1rem}
.foot__top:hover{background:#fff;color:#000}
.foot__nav p{display:flex;flex-wrap:wrap;gap:0 1rem;margin:0}
.foot__nav a{display:inline-flex;align-items:center;min-height:44px;padding:.3rem 0;color:#fff;font-size:1rem;text-decoration:none}
.foot__nav a:hover{text-decoration:underline;text-underline-offset:3px}
.foot__legal p{margin:0;font-size:1rem;color:#dcdcdc;line-height:44px;white-space:nowrap}

/* 动效 */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .hero__img{transform:none !important}
}

@media (max-width:1000px){
  .mast__rail{display:none}
  .sheet__body{grid-template-columns:1fr;gap:1.6rem}
  .prose{grid-column:1 / -1}
  .side{grid-column:1 / -1;order:-1;position:static}
  .foot{grid-template-columns:1fr;gap:1.4rem}
  .foot__legal p{line-height:1.6}
  .hero{justify-items:start;text-align:start;min-height:64vh}
  .hero__h1{font-size:clamp(1.7rem,7vw,2.5rem)}
  .hero__lead{font-size:1rem}
  .hero__text{max-width:100%}
}
@media (max-width:520px){
  .prose table{font-size:1rem}
  .ticker{font-size:1rem}
  .mast__mark{font-size:1.2rem}
}

button[aria-expanded]{min-width:44px;min-height:44px}