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

:root{
  --red:#ff0000;
  --pink:#ff1493;
  --ink:#261717;
  --paper:#190e0f;
  --paper-2:#221314;
  --fg:#f8efec;
  --muted:#cbb2ad;
  --line:rgba(255,255,255,.13);
  --glass:rgba(255,255,255,.05);
  --serif:'EB Garamond','Songti SC',Georgia,serif;
  --sans:'Lato','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
}

*{box-sizing:border-box}

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

body{
  margin:0;
  background:var(--paper);
  color:var(--fg);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.75;
  letter-spacing:.012em;
}

body::before{
  content:'';
  position:fixed;
  inset:-25% -15%;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(42% 44% at 18% 22%,rgba(255,20,147,.50),transparent 62%),
    radial-gradient(46% 46% at 82% 12%,rgba(255,0,0,.42),transparent 64%),
    radial-gradient(40% 40% at 62% 78%,rgba(255,80,140,.30),transparent 68%),
    radial-gradient(38% 38% at 30% 88%,rgba(120,0,60,.55),transparent 70%);
  filter:saturate(1.3) blur(26px);
  mix-blend-mode:screen;
  opacity:.85;
  animation:aurora 10s ease-in-out infinite alternate;
}

@keyframes aurora{
  0%{transform:translate3d(-1.5%,-1%,0) scale(1)}
  100%{transform:translate3d(2.5%,2%,0) scale(1.14)}
}

.shell{position:relative;z-index:1}

img{max-width:100%;height:auto}

a{color:var(--pink)}

:focus-visible{outline:2px solid var(--pink);outline-offset:3px}

/* ---------- 顶栏 ---------- */

.topbar{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:18px;
  max-width:1240px;
  margin:0 auto;
  padding:16px 24px;
  border-bottom:1px solid var(--line);
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  color:var(--fg);
  text-decoration:none;
  font-family:var(--serif);
  font-size:1.32rem;
  letter-spacing:.12em;
  white-space:nowrap;
}

.brand .logo{display:block;width:34px;height:34px;object-fit:contain}

.mark{
  width:11px;
  height:11px;
  display:inline-block;
  transform:rotate(45deg);
  background:linear-gradient(135deg,var(--red),var(--pink));
  box-shadow:0 0 18px rgba(255,20,147,.9);
}

.brand:hover .brand-t{color:#fff}

.topnav{
  display:flex;
  justify-content:center;
  gap:2px;
  overflow-x:auto;
  scrollbar-width:none;
}

.topnav::-webkit-scrollbar{display:none}

.topnav a{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:10px 11px;
  color:var(--muted);
  text-decoration:none;
  font-size:.94rem;
  white-space:nowrap;
  border-bottom:2px solid transparent;
  transition:color .25s ease,border-color .25s ease;
}

.topnav a:hover{color:#fff;border-bottom-color:var(--pink)}

.search{
  display:flex;
  align-items:center;
  border:1px solid var(--line);
  background:var(--glass);
  backdrop-filter:blur(6px);
}

.search input{
  width:132px;
  min-height:44px;
  padding:8px 12px;
  border:0;
  background:transparent;
  color:var(--fg);
  font:inherit;
  font-size:.94rem;
}

.search input::placeholder{color:var(--muted)}

.search input:focus{outline:none}

.search button{
  min-height:44px;
  padding:0 14px;
  border:0;
  background:linear-gradient(120deg,var(--red),var(--pink));
  color:#fff;
  font:inherit;
  font-size:.88rem;
  font-weight:700;
  letter-spacing:.08em;
  cursor:pointer;
}

.search button:hover{filter:brightness(1.12)}

/* ---------- 骨架 ---------- */

.grid{
  display:grid;
  grid-template-columns:206px minmax(0,1fr);
  gap:34px;
  max-width:1240px;
  margin:0 auto;
  padding:24px 24px 0;
}

.dock{
  position:sticky;
  top:0;
  align-self:start;
  padding:20px 0;
  z-index:6;
}

.dock ul{
  list-style:none;
  margin:0;
  padding:0;
  display:flex;
  flex-direction:column;
  gap:2px;
}

.dock a{
  display:flex;
  align-items:center;
  min-height:44px;
  padding:8px 12px;
  color:var(--muted);
  text-decoration:none;
  font-size:.95rem;
  border-left:2px solid transparent;
  transition:color .25s ease,background .25s ease,border-color .25s ease;
}

.dock a:hover,
.dock a.active{
  color:#fff;
  border-left-color:var(--pink);
  background:linear-gradient(90deg,rgba(255,20,147,.18),transparent);
}

main{min-width:0;padding-bottom:56px}

/* ---------- 首屏 ---------- */

.hero{
  position:relative;
  min-height:70vh;
  display:grid;
  place-items:center;
  overflow:hidden;
  border-radius:0 0 46% 46%/0 0 88px 88px;
  background:radial-gradient(70% 80% at 50% 20%,rgba(255,20,147,.28),transparent 70%),var(--paper-2);
  animation:rise .8s cubic-bezier(.2,.7,.2,1) both;
}

.hero-fig{
  margin:0;
  position:absolute;
  inset:0;
  z-index:0;
}

.hero-img{
  width:100%;
  height:100%;
  object-fit:cover;
  opacity:.55;
  filter:saturate(1.2) contrast(1.06);
}

.hero::after{
  content:'';
  position:absolute;
  inset:0;
  z-index:1;
  background:
    radial-gradient(58% 58% at 50% 42%,rgba(255,0,0,.26),transparent 72%),
    linear-gradient(180deg,rgba(25,14,15,.34),rgba(25,14,15,.86) 80%);
}

.hero-copy{
  position:relative;
  z-index:2;
  max-width:820px;
  padding:64px 22px;
  text-align:center;
}

.badge{
  display:inline-block;
  padding:6px 16px;
  border:1px solid rgba(255,255,255,.34);
  border-radius:999px;
  background:rgba(255,0,0,.2);
  backdrop-filter:blur(4px);
  font-size:.84rem;
  letter-spacing:.26em;
  text-indent:.26em;
  animation:float 9s ease-in-out infinite alternate;
}

@keyframes float{
  0%{transform:translateY(-5px)}
  100%{transform:translateY(5px)}
}

h1{
  margin:20px 0 0;
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(2rem,5.2vw,3.6rem);
  line-height:1.16;
  letter-spacing:.02em;
  text-wrap:balance;
  text-shadow:0 3px 34px rgba(0,0,0,.55);
}

/* ---------- 正文卡片 ---------- */

main > article:not(.hero){
  scroll-margin-top:86px;
  margin-bottom:22px;
  padding:32px 28px;
  border:1px solid var(--line);
  border-radius:0;
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.018));
  animation:rise .7s cubic-bezier(.2,.7,.2,1) both;
}

main > article:not(.hero)::after{
  content:'';
  display:block;
  height:3px;
  margin-top:30px;
  background:linear-gradient(90deg,var(--red),var(--pink) 55%,transparent);
}

main > article:not(.hero):last-of-type::after{opacity:.45}

main > article:nth-of-type(2){animation-delay:.06s}
main > article:nth-of-type(3){animation-delay:.12s}
main > article:nth-of-type(4){animation-delay:.18s}
main > article:nth-of-type(5){animation-delay:.24s}
main > article:nth-of-type(6){animation-delay:.3s}
main > article:nth-of-type(7){animation-delay:.36s}
main > article:nth-of-type(8){animation-delay:.42s}

@keyframes rise{
  from{opacity:0;transform:translateY(16px)}
  to{opacity:1;transform:translateY(0)}
}

main h2{
  margin:0 0 10px;
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(1.45rem,2.8vw,2rem);
  line-height:1.26;
  letter-spacing:.02em;
  color:#fff;
}

main h3{
  margin:26px 0 8px;
  font-family:var(--serif);
  font-weight:600;
  font-size:1.28rem;
  line-height:1.35;
  color:#ffd9e8;
}

main h4{
  margin:22px 0 6px;
  font-size:1.04rem;
  letter-spacing:.04em;
  color:#ffd9e8;
}

main hr{
  width:92px;
  height:2px;
  margin:0 0 18px;
  border:0;
  background:linear-gradient(90deg,var(--pink),rgba(255,0,0,.45),transparent);
}

main p{max-width:70ch;margin:0 0 1em}

main ul,
main ol{padding-left:1.35em;margin:0 0 1em;max-width:70ch}

main li{margin:.32em 0}

main strong{color:#fff}

main blockquote{
  margin:20px 0;
  padding:14px 20px;
  border-left:3px solid var(--pink);
  background:rgba(255,20,147,.09);
}

main blockquote p:last-child{margin-bottom:0}

main code{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.9em;
  padding:2px 6px;
  background:rgba(255,255,255,.1);
}

main figure{margin:20px 0}

main figcaption{font-size:.9rem;color:var(--muted);margin-top:8px}

main table{width:100%;border-collapse:collapse;margin:18px 0;font-size:.96rem}

main th,
main td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left}

main th{color:#fff;font-weight:700;background:rgba(255,255,255,.06)}

main a{text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}

main a:hover{color:#fff}

/* ---------- 页脚 ---------- */

footer{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr;
  gap:30px;
  align-items:start;
  max-width:1240px;
  margin:44px auto 0;
  padding:44px 24px 0;
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,0,0,.10),rgba(38,23,23,.12));
}

footer h2{
  margin:0 0 12px;
  font-family:var(--serif);
  font-weight:600;
  font-size:clamp(1.5rem,3vw,1.95rem);
  letter-spacing:.12em;
}

footer h3{
  margin:0 0 12px;
  font-size:.9rem;
  font-weight:700;
  letter-spacing:.22em;
  color:var(--muted);
}

footer hr{
  width:64px;
  height:2px;
  margin:0 0 16px;
  border:0;
  background:linear-gradient(90deg,var(--red),var(--pink));
}

footer ul{list-style:none;margin:0;padding:0}

.f-nav li,
.bar li{display:block}

footer li a,
.bar li a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  padding:6px 0;
  color:var(--muted);
  text-decoration:none;
  font-size:.95rem;
}

footer li a:hover,
.bar li a:hover{color:#fff}

.cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-height:54px;
  padding:14px 30px;
  background:linear-gradient(120deg,var(--red),var(--pink));
  color:#fff;
  font-weight:700;
  letter-spacing:.16em;
  text-decoration:none;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.22),0 16px 44px -16px rgba(255,0,0,.95);
  transition:transform .25s ease,filter .25s ease;
}

.cta:hover{transform:translateY(-2px);filter:brightness(1.1)}

.bar{
  grid-column:1 / -1;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:8px 20px;
  margin-top:10px;
  padding:14px 0 26px;
  border-top:1px solid var(--line);
}

.bar p{margin:0;color:var(--muted);font-size:.9rem;letter-spacing:.1em}

.bar ul{display:flex;flex-wrap:wrap;gap:4px 18px}

/* ---------- 响应式 ---------- */

@media (max-width:960px){

  .grid{
    grid-template-columns:minmax(0,1fr);
    gap:0;
    padding:0;
  }

  .topbar{
    grid-template-columns:1fr auto;
    grid-template-areas:'brand search' 'nav nav';
    gap:10px;
    padding:12px 16px;
  }

  .brand{grid-area:brand}
  .search{grid-area:search}
  .search input{width:96px}
  .topnav{grid-area:nav;justify-content:flex-start;padding-bottom:2px}

  .dock{
    top:0;
    padding:8px 10px;
    background:rgba(25,14,15,.88);
    backdrop-filter:blur(10px);
    border-bottom:1px solid var(--line);
  }

  .dock ul{flex-direction:row;gap:6px;overflow-x:auto;scrollbar-width:none}

  .dock ul::-webkit-scrollbar{display:none}

  .dock a{
    border-left:0;
    border-bottom:2px solid transparent;
    padding:8px 10px;
    white-space:nowrap;
  }

  .dock a:hover,
  .dock a.active{background:none;border-bottom-color:var(--pink)}

  main{padding-bottom:36px}

  .hero{
    border-radius:0 0 40% 40%/0 0 56px 56px;
    min-height:64vh;
  }

  .hero-copy{padding:52px 18px}

  main > article:not(.hero){
    margin:14px 12px;
    padding:26px 16px;
    scroll-margin-top:72px;
  }

  footer{
    grid-template-columns:1fr;
    gap:24px;
    padding:32px 16px 0;
    margin-top:28px;
  }

  .bar{flex-direction:column;align-items:flex-start}

  .bar ul{gap:0 16px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
}

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