:root{
  --ink:#26171a;
  --rose:#eb879c;
  --pink:#ffb6c1;
  --bg:#1b1013;
  --bg2:#241418;
  --txt:#fbf1f3;
  --dim:#d8bcc3;
  --glass:rgba(255,182,193,.07);
  --glass2:rgba(255,182,193,.13);
  --line:rgba(255,182,193,.24);
  --sh1:0 2px 4px rgba(0,0,0,.34);
  --sh2:0 2px 4px rgba(0,0,0,.34),0 18px 42px rgba(0,0,0,.36);
  --dock:78px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  min-height:100vh;
  padding-bottom:calc(var(--dock) + 26px);
  color:var(--txt);
  font:400 17px/1.7 Inter,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background:
    radial-gradient(900px 620px at 88% -12%,rgba(235,135,156,.24),transparent 70%),
    radial-gradient(680px 520px at -8% 26%,rgba(255,182,193,.13),transparent 66%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg2) 60%,var(--bg) 100%);
  background-attachment:fixed;
}
a{color:var(--pink);text-decoration:none}
a:hover{color:#fff}
:focus-visible{outline:3px solid var(--pink);outline-offset:3px}
hr{border:0;height:1px;margin:14px 0;background:linear-gradient(90deg,var(--rose),rgba(255,182,193,.08))}

/* 底部固定导航条 */
.dock-aside{position:fixed;left:0;right:0;bottom:0;z-index:60}
.dock{
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:10px;
  min-height:var(--dock);
  padding:8px 14px calc(8px + env(safe-area-inset-bottom));
  background:rgba(27,16,19,.74);
  -webkit-backdrop-filter:blur(20px) saturate(1.25);
  backdrop-filter:blur(20px) saturate(1.25);
  border-top:1px solid var(--line);
  box-shadow:var(--sh1),0 -14px 36px rgba(0,0,0,.34);
}
.dock-side{display:flex;align-items:center;gap:8px;min-width:0}
.dock-side-b{justify-content:flex-end}
.dock-nav{min-width:0}
.dock-nav ul{display:flex;list-style:none;margin:0;padding:0;gap:2px}
.dock-l{justify-content:flex-start}
.dock-r{justify-content:flex-end}
.dock-nav a{
  display:inline-flex;align-items:center;min-height:44px;
  padding:0 12px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--txt);
  transition:background .22s ease,color .22s ease;
  white-space:nowrap;
}
.dock-nav a:hover,.dock-nav a:focus-visible{background:var(--glass2);color:#fff}
.brand{
  font-family:"Playfair Display",Inter,serif;font-style:italic;
  font-size:18px;line-height:1.2;letter-spacing:-.01em;color:#fff;
  padding:10px 12px;min-height:44px;display:inline-flex;align-items:center;
  text-align:center;white-space:nowrap;
  text-shadow:0 2px 14px rgba(235,135,156,.55);
}
.burger{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:0 12px;border-radius:999px;
  background:var(--glass);border:1px solid var(--line);color:var(--txt);
  font:500 15px/1 Inter,sans-serif;cursor:pointer;
  transition:background .22s ease,transform .22s ease;
}
.burger:hover{background:var(--glass2)}
.burger-bars{position:relative;display:block;width:16px;height:2px;background:var(--pink);border-radius:2px}
.burger-bars::before,.burger-bars::after{
  content:"";position:absolute;left:0;width:16px;height:2px;background:var(--pink);border-radius:2px;
  transition:transform .24s ease;
}
.burger-bars::before{top:-5px}
.burger-bars::after{top:5px}
.burger[aria-expanded="true"] .burger-bars{background:transparent}
.burger[aria-expanded="true"] .burger-bars::before{transform:translateY(5px) rotate(45deg)}
.burger[aria-expanded="true"] .burger-bars::after{transform:translateY(-5px) rotate(-45deg)}
.find{display:flex;align-items:center;gap:6px}
.find-in{
  width:132px;min-height:40px;padding:0 12px;
  border-radius:999px;border:1px solid var(--line);
  background:rgba(38,23,26,.72);color:var(--txt);
  font:400 15px/1.4 Inter,sans-serif;
}
.find-in::placeholder{color:var(--dim)}
.find-btn{
  min-height:40px;padding:0 14px;border-radius:999px;cursor:pointer;
  border:1px solid rgba(235,135,156,.5);
  background:rgba(235,135,156,.22);color:#fff;
  font:600 14px/1 Inter,sans-serif;
  transition:background .22s ease;
}
.find-btn:hover{background:rgba(235,135,156,.38)}

/* 全屏遮罩菜单 */
.sheet{
  position:fixed;inset:0;z-index:70;
  display:flex;flex-direction:column;justify-content:center;gap:18px;
  padding:76px 22px calc(var(--dock) + 32px);
  background:rgba(20,11,14,.95);
  -webkit-backdrop-filter:blur(22px);backdrop-filter:blur(22px);
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .26s ease,visibility .26s ease;
}
.sheet[data-open="true"]{opacity:1;visibility:visible;pointer-events:auto}
.sheet-x{
  position:absolute;top:18px;right:18px;
  min-height:44px;padding:0 18px;border-radius:999px;cursor:pointer;
  border:1px solid var(--line);background:var(--glass);color:var(--txt);
  font:500 15px/1 Inter,sans-serif;
}
.sheet-nav ul{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.sheet-nav a{
  display:flex;align-items:center;min-height:52px;padding:0 16px;
  border-left:2px solid transparent;border-radius:0;
  font-size:20px;font-weight:600;color:var(--txt);
  background:var(--glass);transition:background .22s ease,border-color .22s ease;
}
.sheet-nav a:hover,.sheet-nav a:focus-visible{background:var(--glass2);border-color:var(--rose);color:#fff}
.find-wide .find-in{flex:1;width:auto}

/* 主区 */
.page{display:block;max-width:1180px;margin:0 auto;padding:20px 18px 8px}
.hero{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  align-items:center;gap:26px;
  min-height:45vh;padding:22px 0 30px;
  border-bottom:1px solid var(--line);
}
.ghost{
  position:absolute;top:-8px;right:24%;
  font-weight:800;font-size:clamp(110px,22vw,240px);line-height:.78;
  letter-spacing:-.05em;color:rgba(255,182,193,.09);
  pointer-events:none;user-select:none;
}
.hero-copy{position:relative;z-index:2;min-width:0}
.hero h1{
  margin:0 0 14px;
  font-size:clamp(30px,5vw,56px);line-height:1.08;letter-spacing:-.025em;font-weight:800;
}
.hero-desc{margin:0 0 18px;max-width:34ch;color:var(--dim);font-size:17px}
.hero-note{display:flex;flex-wrap:wrap;gap:10px}
.pill{
  display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:999px;
  border:1px solid var(--line);background:var(--glass);
  font-size:15px;font-weight:600;color:var(--txt);
  transition:background .22s ease,transform .22s ease;
}
.pill:hover{background:rgba(235,135,156,.26);color:#fff;transform:translateY(-2px)}
.hero-fig{
  position:relative;z-index:1;margin:0;
  min-height:240px;aspect-ratio:4/5;
  border:1px solid var(--line);border-radius:0;
  background:linear-gradient(150deg,rgba(255,182,193,.18),rgba(38,23,26,.5));
  box-shadow:var(--sh2);overflow:hidden;
}
.hero-fig .shot{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  opacity:0;transition:opacity .6s ease;
}
.hero-fig .shot.is-on{opacity:1}
.shot-fallback{
  position:absolute;inset:0;
  background:
    radial-gradient(120% 90% at 76% 12%,rgba(235,135,156,.6),transparent 62%),
    radial-gradient(90% 70% at 12% 92%,rgba(255,182,193,.32),transparent 60%),
    linear-gradient(160deg,var(--ink),#3a2027);
}
.shot-fallback::after{
  content:"";position:absolute;inset:14px;border:1px solid rgba(255,182,193,.35);
}

/* 正文区 + 左侧栏 */
.body-wrap{
  display:grid;grid-template-columns:250px minmax(0,1fr);gap:30px;
  padding:30px 0 10px;align-items:start;
}
.side{
  position:sticky;top:16px;
  padding:16px 16px 20px;border-radius:0;
  border:1px solid var(--line);background:var(--glass);
  box-shadow:var(--sh1);
}
.side-h{margin:0;font-size:15px;font-weight:700;letter-spacing:.14em;color:var(--rose)}
.side hr{margin:10px 0 12px}
.toc{list-style:none;margin:0;padding:0;counter-reset:toc}
.toc li{counter-increment:toc}
.toc a{
  display:flex;align-items:center;gap:10px;min-height:40px;padding:0 8px;
  font-size:15px;color:var(--txt);border-radius:0;
  transition:background .2s ease,color .2s ease;
}
.toc a::before{
  content:counter(toc,decimal-leading-zero);
  font:400 12px/1 "JetBrains Mono",Inter,monospace;color:var(--rose);
}
.toc a:hover,.toc a:focus-visible{background:var(--glass2);color:#fff}

.flow{min-width:0}
.flow div{scroll-margin-top:24px}
.flow div+div{margin-top:38px;padding-top:30px;border-top:1px solid var(--line)}
.flow h2,.flow h3{margin:0;letter-spacing:-.015em;line-height:1.24}
.flow h2{font-size:clamp(22px,3.2vw,31px);font-weight:800}
.flow h3{font-size:clamp(19px,2.4vw,23px);font-weight:700}
.flow h2+hr,.flow h3+hr{margin:12px 0 18px}
.flow p{margin:0 0 16px}
.flow ul,.flow ol{margin:0 0 18px;padding-left:1.25em}
.flow li{margin:0 0 8px}
.flow li::marker{color:var(--rose)}
.flow a{text-decoration:underline;text-decoration-color:rgba(255,182,193,.45);text-underline-offset:3px;padding:2px 0}
.flow strong{color:#fff}
.flow img{max-width:100%;height:auto;display:block;border:1px solid var(--line);box-shadow:var(--sh1)}
.flow figure{margin:0 0 20px}
.flow blockquote{
  margin:0 0 20px;padding:14px 18px;border-left:3px solid var(--rose);
  background:var(--glass);color:var(--dim);
}
.flow table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:16px}
.flow th,.flow td{padding:10px 12px;border:1px solid var(--line);text-align:left}
.flow th{background:var(--glass2);color:#fff;font-weight:600}
.flow .hit{animation:hit 1.1s ease}
@keyframes hit{
  from{background:rgba(235,135,156,.24);box-shadow:inset 3px 0 0 var(--rose)}
  to{background:transparent;box-shadow:inset 3px 0 0 transparent}
}

/* 页脚 */
.foot{max-width:1180px;margin:40px auto 0;padding:26px 18px 12px;border-top:1px solid var(--line)}
.foot-cols{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.foot dl{margin:0}
.foot dt{font-size:12px;letter-spacing:.16em;color:var(--rose);margin-bottom:6px}
.foot dd{margin:0}
.foot dd a{display:inline-flex;align-items:center;min-height:40px;font-size:15px;color:var(--dim)}
.foot dd a:hover{color:#fff}
.copy{
  margin:16px 0 0;padding-top:12px;border-top:1px solid rgba(255,182,193,.14);
  font-size:14px;color:var(--dim);
}

@media (max-width:900px){
  .dock-nav ul li:nth-child(n+2){display:none}
  .dock-r li:last-child{display:block}
  .find{display:none}
  .brand{font-size:15px;padding:10px 8px}
  .body-wrap{grid-template-columns:1fr;gap:22px}
  .side{position:static}
  .toc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px}
}
@media (max-width:720px){
  body{font-size:16px}
  .hero{
    grid-template-columns:1fr;gap:18px;min-height:0;padding:16px 0 24px;
    display:flex;flex-direction:column;align-items:stretch;
  }
  .hero-copy{order:1}
  .hero-fig{order:2;min-height:0;aspect-ratio:16/10;width:100%}
  .ghost{font-size:120px;right:auto;left:auto;top:0}
  .foot-cols{grid-template-columns:1fr 1fr;gap:14px}
  .foot dl:last-child{grid-column:1/-1}
  .page{padding:16px 14px 6px}
  .foot{padding:22px 14px 10px}
}
@media (max-width:420px){
  .brand{font-size:13px;letter-spacing:-.02em}
  .burger{padding:0 10px}
  .burger-txt{display:none}
  .toc{grid-template-columns:1fr}
  .dock{padding-left:10px;padding-right:10px;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

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