:root{
  --ink:#12100E;
  --amber:#F2A03D;
  --cream:#F5EDE4;
  --line:rgba(245,237,228,.15);
  --glass:rgba(245,237,228,.06);
  --dim:rgba(245,237,228,.66);
}
*,*::before,*::after{box-sizing:border-box}
html{background:var(--ink);scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  padding-bottom:104px;
  background:var(--ink);
  color:var(--cream);
  font:400 17px/1.72 'Poppins',system-ui,-apple-system,'Noto Sans SC','PingFang SC',sans-serif;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
small{font-size:.8rem}
[id]{scroll-margin-top:22px}
::selection{background:var(--amber);color:var(--ink)}
:focus-visible{outline:2px solid var(--amber);outline-offset:3px}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  isolation:isolate;
  overflow:hidden;
  min-height:45vh;
  display:flex;
  align-items:flex-end;
  padding:0 clamp(18px,4vw,48px) 30px;
  border-bottom:1px solid var(--line);
  perspective:1px;
}
.hero-layer{
  position:absolute;
  inset:-10% -10% -10% -10%;
  z-index:-1;
  will-change:transform;
}
.hero-sky{background:radial-gradient(130% 100% at 12% 6%,#33241a 0%,#1a1512 42%,#12100E 100%)}
.hero-shot-wrap{overflow:hidden}
.hero-shot{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.06)}
.hero-veil{
  background:
    linear-gradient(90deg,rgba(18,16,14,.93) 0%,rgba(18,16,14,.6) 52%,rgba(18,16,14,.28) 100%),
    linear-gradient(0deg,rgba(18,16,14,.96) 0%,rgba(18,16,14,.08) 68%);
}
.hero-word{
  position:absolute;
  right:clamp(10px,3vw,40px);
  bottom:-.14em;
  z-index:0;
  margin:0;
  font:400 clamp(2.1rem,11vw,8rem)/1 'Righteous','Poppins',sans-serif;
  letter-spacing:.02em;
  color:rgba(245,237,228,.1);
  white-space:nowrap;
  pointer-events:none;
  will-change:transform;
}
.hero-copy{position:relative;z-index:2;max-width:44rem}
.hero-h1{
  margin:0;
  font:400 clamp(1.9rem,6.2vw,3.5rem)/1.14 'Righteous','Poppins',sans-serif;
  letter-spacing:.01em;
}
.hero-sub{
  margin:.7rem 0 0;
  max-width:33rem;
  color:var(--dim);
  font-size:1rem;
}
.hero-cue{
  position:absolute;
  right:clamp(18px,4vw,48px);
  bottom:28px;
  z-index:2;
  width:1px;
  height:40px;
  background:linear-gradient(var(--amber),transparent);
}

/* ---------- 版面 ---------- */
.wrap{
  max-width:1080px;
  margin:0 auto;
  padding:clamp(28px,5vw,62px) clamp(18px,4vw,32px);
}
.stage{
  display:grid;
  grid-template-columns:minmax(0,218px) minmax(0,1fr);
  gap:clamp(20px,3vw,46px);
  align-items:start;
}

/* ---------- 侧栏 ---------- */
.rail{
  position:sticky;
  top:22px;
  padding:18px 16px;
  border:1px solid var(--line);
  border-radius:4px;
  background:var(--glass);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.rail-kicker{
  display:block;
  letter-spacing:.26em;
  color:var(--amber);
  line-height:1.2;
}
.rail-h2{
  margin:.3rem 0 1rem;
  font:400 1.15rem/1.3 'Righteous','Poppins',sans-serif;
  letter-spacing:.06em;
}
.rail-list{margin:0;padding:0;list-style:none;display:grid;gap:2px}
.rail-list a{
  display:flex;
  align-items:center;
  min-height:42px;
  padding:8px 9px;
  border-radius:4px;
  font-size:.94rem;
  color:rgba(245,237,228,.82);
  transition:background .2s ease,color .2s ease;
}
.rail-list a:hover{background:rgba(242,160,61,.14);color:var(--cream)}

/* ---------- 正文 ---------- */
.prose{min-width:0;font-size:1.06rem}
.prose>article{
  padding:clamp(26px,4vw,46px) 0;
  border-top:1px solid var(--line);
}
.prose>article:first-child{border-top:0;padding-top:0}
.prose h2{
  margin:.15em 0 .65em;
  font:400 clamp(1.5rem,3.6vw,2.15rem)/1.24 'Righteous','Poppins',sans-serif;
  color:var(--cream);
}
.prose h3{
  margin:1.5em 0 .5em;
  font:500 clamp(1.16rem,2.4vw,1.4rem)/1.35 'Poppins',sans-serif;
  color:var(--cream);
}
.prose small{
  display:block;
  margin-bottom:.5rem;
  letter-spacing:.22em;
  color:var(--amber);
  line-height:1.4;
}
.prose p{margin:0 0 1.05em;max-width:66ch}
.prose ul,.prose ol{margin:0 0 1.1em;padding-left:1.2em;max-width:64ch}
.prose li{margin:.4em 0}
.prose a{color:var(--amber);border-bottom:1px dashed rgba(242,160,61,.5)}
.prose a:hover{border-bottom-style:solid}
.prose strong{color:#fff;font-weight:600}
.prose blockquote{
  margin:1.2em 0;
  padding:16px 18px;
  border-left:3px solid var(--amber);
  border-radius:0 4px 4px 0;
  background:var(--glass);
  color:rgba(245,237,228,.9);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose figure{margin:1.3em 0}
.prose figcaption{margin-top:.6em;font-size:.9rem;color:var(--dim)}
.prose img{border-radius:4px;width:100%;height:auto}
.prose table{width:100%;border-collapse:collapse;margin:1.2em 0;font-size:.96rem}
.prose th,.prose td{padding:10px 12px;border:1px solid var(--line);text-align:left}
.prose th{background:rgba(242,160,61,.1);color:var(--cream)}
.prose hr{border:0;border-top:1px solid var(--line);margin:2em 0}

/* ---------- 页脚 ---------- */
.foot{
  margin-top:clamp(40px,7vw,92px);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(242,160,61,.08),rgba(18,16,14,0) 62%);
  overflow:hidden;
}
.foot-row{
  max-width:1080px;
  margin:0 auto;
  padding:34px clamp(18px,4vw,32px) 10px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px 26px;
}
.foot-brand{display:flex;align-items:center;gap:10px}
.foot-mark{border-radius:4px}
.foot-name{font:400 1.02rem/1 'Righteous','Poppins',sans-serif;letter-spacing:.05em}
.foot-nav{display:flex;flex-wrap:wrap;gap:2px 14px;font-size:.92rem}
.foot-nav a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:6px 0;
  color:rgba(245,237,228,.76);
  transition:color .2s ease;
}
.foot-nav a:hover{color:var(--amber)}
.foot-copy{margin:0 0 0 auto;font-size:.88rem;color:rgba(245,237,228,.52)}
.foot-word{
  margin:0;
  padding-bottom:.12em;
  font:400 clamp(2rem,12.4vw,7rem)/1 'Righteous','Poppins',sans-serif;
  letter-spacing:.05em;
  text-align:center;
  color:transparent;
  -webkit-text-stroke:1px rgba(242,160,61,.32);
  white-space:nowrap;
}

/* ---------- 底部固定条 ---------- */
.dock{
  position:fixed;
  left:50%;
  bottom:12px;
  transform:translateX(-50%);
  z-index:60;
  width:min(760px,calc(100% - 24px));
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  padding:8px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(18,16,14,.74);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
  box-shadow:0 14px 42px rgba(0,0,0,.55);
}
.dock-more{position:relative}
.dock-more>summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:44px;
  padding:0 16px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:.94rem;
  color:rgba(245,237,228,.88);
  transition:background .2s ease,color .2s ease;
}
.dock-more>summary::-webkit-details-marker{display:none}
.dock-more>summary:hover{background:rgba(242,160,61,.16);color:var(--cream)}
.dock-more[open]>summary{background:var(--amber);color:var(--ink);border-color:var(--amber)}
.dock-list{
  position:absolute;
  left:0;
  bottom:calc(100% + 12px);
  min-width:172px;
  margin:0;
  padding:8px;
  list-style:none;
  display:grid;
  gap:2px;
  border:1px solid var(--line);
  border-radius:10px;
  background:rgba(18,16,14,.95);
  -webkit-backdrop-filter:blur(16px);
  backdrop-filter:blur(16px);
}
.dock-list a{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:0 12px;
  border-radius:6px;
  font-size:.94rem;
  color:rgba(245,237,228,.86);
}
.dock-list a:hover{background:rgba(242,160,61,.16);color:var(--cream)}
.dock-brand{
  font:400 1rem/1 'Righteous','Poppins',sans-serif;
  letter-spacing:.07em;
  white-space:nowrap;
  padding:0 2px;
}
.dock-side{display:flex;align-items:center;gap:8px}
.pill{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 14px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:.92rem;
  color:rgba(245,237,228,.86);
  transition:background .2s ease,color .2s ease;
}
.pill:hover{background:rgba(242,160,61,.16);color:var(--cream)}
.pill-cta{
  min-height:44px;
  padding:0 18px;
  background:var(--amber);
  border-color:var(--amber);
  color:var(--ink);
  font-weight:600;
}
.pill-cta:hover{background:#ffb055;color:var(--ink)}

/* ---------- 滚动显现 ---------- */
.reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .72s ease,transform .72s cubic-bezier(.2,.7,.24,1);
  will-change:transform,opacity;
}
.reveal.in{opacity:1;transform:none}

/* ---------- 断点 ---------- */
@media (max-width:860px){
  .stage{grid-template-columns:minmax(0,1fr)}
  .rail{position:static}
  .foot-copy{margin-left:0}
}
@media (max-width:720px){
  .pill{display:none}
  .pill-cta{display:inline-flex}
  .dock-brand{font-size:.94rem;letter-spacing:.03em}
  .hero{min-height:48vh;padding-bottom:26px}
  .hero-sub{font-size:.96rem}
  .prose{font-size:1.02rem}
}
@media (max-width:400px){
  .dock{gap:6px;padding:7px 8px}
  .dock-more>summary{padding:0 13px}
  .pill-cta{padding:0 14px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .hero-layer,.hero-word{transform:none!important}
}

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