:root{
  --ink:#26171a;
  --ink-2:#2e1c20;
  --ink-3:#39232a;
  --paper:#f8eef0;
  --pink:#eb879c;
  --pink-2:#ffb6c1;
  --muted:#cbb2b8;
  --hair:rgba(255,182,193,.16);
  --drop:0 1px 2px rgba(0,0,0,.45),0 12px 28px -16px rgba(0,0,0,.9);
  --drop-soft:0 2px 4px rgba(0,0,0,.3),0 20px 44px -24px rgba(0,0,0,.85);
  --glow:inset 0 1px 0 rgba(255,255,255,.06);
  --head-h:74px;
  --ease:240ms cubic-bezier(.33,.9,.36,1);
}

*,*::before,*::after{box-sizing:border-box}

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

body{
  margin:0;
  background:var(--ink);
  background-image:
    radial-gradient(720px 420px at 88% -6%,rgba(235,135,156,.16),transparent 70%),
    radial-gradient(640px 380px at 4% 34%,rgba(255,182,193,.09),transparent 72%),
    radial-gradient(900px 520px at 50% 108%,rgba(235,135,156,.08),transparent 70%);
  background-repeat:no-repeat;
  color:var(--paper);
  font-family:"IBM Plex Sans","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.72;
  font-weight:400;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

a{color:var(--pink-2);text-decoration:none}
a:hover{color:#fff}
a:focus-visible,button:focus-visible{outline:2px solid var(--pink-2);outline-offset:3px;border-radius:999px}

hr{
  border:0;
  height:2px;
  margin:14px 0 18px;
  background:linear-gradient(90deg,var(--pink),rgba(255,182,193,.08));
}

/* ---------- 顶部 ---------- */
.topbar{
  position:sticky;
  top:0;
  z-index:60;
  display:flex;
  align-items:center;
  gap:16px;
  min-height:var(--head-h);
  padding:10px clamp(14px,3vw,32px);
  background:rgba(38,23,26,.9);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  box-shadow:0 1px 0 rgba(255,182,193,.12),0 12px 26px -22px rgba(0,0,0,.95);
}

.brand-cell{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;background:var(--ink-3);box-shadow:var(--glow),var(--drop)}
.mark svg,.mark img{width:20px;height:20px;display:block}

.brand{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  font-weight:600;
  font-size:17px;
  letter-spacing:.02em;
  color:var(--paper);
}
.brand:hover{color:var(--pink-2)}

.caps{margin-left:auto;min-width:0;max-width:100%}
.caps ol{
  display:flex;
  gap:7px;
  margin:0;
  padding:2px;
  list-style:none;
  overflow-x:auto;
  scrollbar-width:none;
}
.caps ol::-webkit-scrollbar{display:none}

.cap{
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:0 15px;
  border-radius:999px;
  background:var(--ink-2);
  color:var(--pink-2);
  font-size:16px;
  font-weight:500;
  white-space:nowrap;
  box-shadow:var(--glow),0 2px 4px rgba(0,0,0,.4);
  transition:transform var(--ease),background var(--ease),color var(--ease),box-shadow var(--ease);
}
.cap:hover,.cap:focus-visible{
  background:var(--pink);
  color:#26171a;
  transform:translateY(-2px);
  box-shadow:var(--drop-soft);
}

/* ---------- 头图 ---------- */
.hero{
  position:relative;
  min-height:100vh;
  min-height:100svh;
  display:flex;
  align-items:center;
  padding:clamp(28px,6vh,72px) clamp(18px,4vw,48px) clamp(40px,8vh,88px);
  overflow:hidden;
  isolation:isolate;
}

.ghost{
  position:absolute;
  z-index:0;
  top:clamp(6px,3vh,44px);
  left:clamp(-8px,-1vw,0px);
  margin:0;
  font-size:clamp(78px,21vw,300px);
  font-weight:700;
  line-height:.82;
  letter-spacing:-.045em;
  color:rgba(255,182,193,.09);
  white-space:nowrap;
  pointer-events:none;
  user-select:none;
  will-change:transform;
}

.hero-row{
  position:relative;
  z-index:1;
  width:100%;
  max-width:1180px;
  margin:0 auto;
  display:flex;
  flex-direction:row-reverse;
  align-items:center;
  gap:clamp(18px,4vw,56px);
}

.hero-copy{
  flex:1 1 52%;
  min-width:0;
  text-align:right;
}

.hero-title{
  margin:0 0 18px;
  font-size:clamp(30px,4.9vw,58px);
  line-height:1.14;
  font-weight:600;
  letter-spacing:-.015em;
  color:#fff;
  text-shadow:0 18px 40px rgba(0,0,0,.55);
}

.hero-lead{
  margin:0 0 26px auto;
  max-width:44ch;
  font-size:clamp(16px,1.5vw,18px);
  line-height:1.85;
  color:var(--muted);
}

.cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:48px;
  padding:0 28px;
  border-radius:999px;
  background:var(--pink);
  color:#26171a;
  font-weight:600;
  font-size:16px;
  letter-spacing:.04em;
  box-shadow:var(--glow),var(--drop-soft);
  transition:transform var(--ease),background var(--ease);
}
.cta:hover{background:var(--pink-2);color:#26171a;transform:translateY(-3px)}

.hero-art{
  flex:0 1 44%;
  min-width:0;
  max-width:430px;
  will-change:transform;
}
.hero-art:empty{display:none}

.shot-frame{
  position:relative;
  z-index:1;
  margin:0;
  width:84%;
  box-shadow:var(--drop-soft);
  transition:transform 320ms var(--ease);
}
.shot-frame img{display:block;width:100%;height:auto}

.shot-frame:nth-child(1){transform:rotate(-2.2deg)}
.shot-frame:nth-child(2){width:66%;margin:-16% 0 0 auto;transform:rotate(2.6deg);z-index:2}
.shot-frame:hover{transform:rotate(0deg) translateY(-4px)}

/* ---------- 主体 ---------- */
main{display:block}

.shell{
  display:grid;
  grid-template-columns:236px minmax(0,1fr);
  gap:clamp(16px,2.4vw,28px);
  max-width:1180px;
  margin:0 auto;
  padding:0 clamp(14px,3vw,32px) 72px;
  align-items:start;
}

.rail{
  position:sticky;
  top:calc(var(--head-h) + 16px);
  background:var(--ink-2);
  padding:20px 18px;
  box-shadow:var(--glow),var(--drop);
}

.rail-head{
  margin:0;
  font-size:16px;
  font-weight:600;
  letter-spacing:.14em;
  color:var(--pink-2);
}

.rail-list{
  list-style:none;
  margin:0;
  padding:0;
  counter-reset:rail;
}

.rail-list li + li{border-top:1px solid var(--hair)}

.rail-link{
  display:flex;
  align-items:center;
  min-height:42px;
  padding:6px 2px;
  color:var(--paper);
  font-size:16px;
  line-height:1.4;
  transition:color var(--ease),padding-left var(--ease);
}
.rail-link::before{
  counter-increment:rail;
  content:counter(rail,decimal-leading-zero);
  margin-right:10px;
  font-size:12px;
  font-weight:500;
  letter-spacing:.1em;
  color:var(--pink);
}
.rail-link:hover{color:var(--pink-2);padding-left:6px}

.content{min-width:0}
.content > div{
  background:var(--ink-2);
  padding:clamp(20px,3vw,34px);
  margin-bottom:16px;
  box-shadow:var(--glow),var(--drop);
  scroll-margin-top:calc(var(--head-h) + 20px);
}
.content > div:last-child{margin-bottom:0}

.content h2{
  margin:0 0 16px;
  font-size:clamp(21px,2.5vw,29px);
  line-height:1.3;
  font-weight:600;
  letter-spacing:-.01em;
  color:#fff;
}
.content h2::after{
  content:"";
  display:block;
  width:44px;
  height:3px;
  margin-top:12px;
  background:var(--pink);
}
.content h3{
  margin:26px 0 12px;
  font-size:clamp(18px,2vw,21px);
  font-weight:600;
  color:var(--pink-2);
}
.content p{margin:0 0 1.1em;color:var(--paper)}
.content p:last-child{margin-bottom:0}
.content ul,.content ol{margin:0 0 1.1em;padding-left:1.35em}
.content li{margin:0 0 .5em}
.content li::marker{color:var(--pink)}
.content a{text-decoration:underline;text-underline-offset:3px}
.content img{max-width:100%;height:auto;display:block;margin:16px 0}
.content figure{margin:16px 0}
.content figcaption{font-size:14px;color:var(--muted);margin-top:8px}
.content blockquote{
  margin:16px 0;
  padding:14px 18px;
  background:var(--ink-3);
  color:var(--muted);
}
.content blockquote p:last-child{margin-bottom:0}
.content table{
  width:100%;
  border-collapse:collapse;
  margin:0 0 1.1em;
  font-size:16px;
}
.content th,.content td{
  padding:10px 12px;
  text-align:left;
  border-bottom:1px solid var(--hair);
}
.content th{color:var(--pink-2);font-weight:600;background:var(--ink-3)}
.content strong{color:#fff;font-weight:600}

/* ---------- 页脚 ---------- */
.foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px 20px;
  padding:22px clamp(14px,3vw,32px) 34px;
  border-top:1px solid var(--hair);
  background:rgba(0,0,0,.16);
}

.brand-sm{font-size:15px;color:var(--muted)}

.foot-nav{min-width:0;order:2}
.foot-nav ol{
  display:flex;
  flex-wrap:wrap;
  gap:2px 4px;
  margin:0;
  padding:0;
  list-style:none;
}
.foot-link{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:0 10px;
  font-size:15px;
  color:var(--muted);
  border-radius:999px;
  transition:color var(--ease),background var(--ease);
}
.foot-link:hover{color:var(--pink-2);background:rgba(255,182,193,.1)}

.foot-copy{
  order:3;
  font-size:15px;
  color:var(--muted);
  letter-spacing:.02em;
}

/* ---------- 响应式 ---------- */
@media (max-width:900px){
  .hero-row{flex-direction:column;align-items:stretch;gap:26px}
  .hero-copy{text-align:right;flex:1 1 auto}
  .hero-lead{margin-left:auto}
  .hero-art{max-width:100%;width:100%;margin:0;display:flex;gap:12px;align-items:flex-start}
  .shot-frame,.shot-frame:nth-child(2){width:50%;margin:0}
  .shot-frame:nth-child(1){transform:rotate(-1.6deg)}
  .shot-frame:nth-child(2){transform:rotate(1.8deg)}
  .shell{grid-template-columns:minmax(0,1fr);gap:16px}
  .rail{position:static}
  .rail-list{display:flex;flex-wrap:wrap;gap:2px 6px}
  .rail-list li + li{border-top:0}
  .rail-link{padding:4px 2px;font-size:15px}
  .rail-link::before{margin-right:6px}
}

@media (max-width:560px){
  :root{--head-h:66px}
  .topbar{gap:10px;padding:8px 14px}
  .brand{font-size:16px}
  .mark{width:28px;height:28px;border-radius:8px}
  .cap{min-height:40px;padding:0 13px;font-size:16px}
  .ghost{font-size:clamp(64px,24vw,120px);top:6px}
  .hero{padding-top:22px;align-items:flex-start;min-height:100svh}
  .hero-title{margin-bottom:14px}
  .hero-lead{max-width:none;margin-bottom:20px}
  .content > div{padding:18px 16px}
  .foot{flex-direction:column;align-items:flex-start;gap:8px}
  .foot-nav{order:3;width:100%}
  .foot-copy{order:2}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition-duration:1ms !important;animation-duration:1ms !important}
}

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