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

:root{
  --violet:#56228b;
  --violet-lt:#8a4ec4;
  --clay:#8b4513;
  --clay-lt:#c0702f;
  --ink:#1f1726;
  --paper:#f4ece6;
  --muted:#c0b1ce;
  --wrap:1160px;
  --shadow:0 22px 48px rgba(9,5,13,.5);
  --r1:10px;
  --r2:18px;
  --r3:26px;
}

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

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

body{
  margin:0;
  font-family:"Nunito","Segoe UI",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.78;
  color:#f0e8f7;
  background:
    radial-gradient(60rem 40rem at 10% -12%, rgba(86,34,139,.45), transparent 62%),
    radial-gradient(46rem 34rem at 94% 6%, rgba(139,69,19,.32), transparent 60%),
    radial-gradient(72rem 50rem at 50% 122%, rgba(86,34,139,.26), transparent 66%),
    var(--ink);
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  opacity:.45;
  background-image:radial-gradient(rgba(244,236,230,.07) 1px, transparent 1px);
  background-size:24px 24px;
}

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

img{max-width:100%;height:auto;display:block}
a{color:var(--clay-lt)}

h1,h2,h3,h4{
  font-family:"Fredoka","Nunito",system-ui,sans-serif;
  font-weight:600;
  line-height:1.2;
  letter-spacing:-.012em;
  color:#fff;
}
h1{font-size:clamp(2rem,6vw,3.5rem);margin:0 0 .45em}
h2{font-size:clamp(1.5rem,4vw,2.25rem);margin:0 0 .3em}
h3{font-size:1.2rem;margin:0 0 .45em}

p{margin:0 0 1em}

hr{
  border:0;
  height:2px;
  width:96px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--clay-lt),rgba(192,112,47,0));
  margin:.25em 0 1.1em;
}
h2+hr,h3+hr{width:130px}

[id]{scroll-margin-top:140px}

:focus-visible{outline:3px solid var(--clay-lt);outline-offset:3px;border-radius:6px}

/* ---------- 头部：品牌行 + 菜单行 ---------- */
.masthead{
  position:sticky;
  top:0;
  z-index:40;
  padding:8px clamp(14px,4vw,40px) 6px;
  background:linear-gradient(180deg,rgba(31,23,38,.97),rgba(31,23,38,.86));
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(139,69,19,.3);
}

.brandline{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  max-width:var(--wrap);
  margin:0 auto;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:46px;
  padding:2px 4px;
  color:#fff;
  text-decoration:none;
  font-family:"Fredoka",sans-serif;
  font-size:1.25rem;
  letter-spacing:.01em;
}
.brand .mark{
  width:30px;
  height:30px;
  flex:0 0 auto;
  border-radius:52% 48% 62% 38%/44% 58% 42% 56%;
  background:linear-gradient(140deg,var(--violet-lt),var(--clay));
  box-shadow:inset 0 0 0 6px rgba(31,23,38,.35);
}

.find{
  margin-left:auto;
  display:flex;
  gap:6px;
}
.find input{
  width:min(44vw,210px);
  min-height:44px;
  padding:0 15px;
  border:0;
  border-radius:999px;
  background:rgba(244,236,230,.11);
  color:#fff;
  font:inherit;
  font-size:1rem;
}
.find input::placeholder{color:#b6a5c6}
.find button{
  min-height:44px;
  min-width:48px;
  padding:0 15px;
  border:0;
  border-radius:999px;
  background:var(--clay);
  color:#fff;
  font:inherit;
  font-weight:700;
  cursor:pointer;
}
.find button:hover{background:var(--clay-lt)}

.menu-wrap{
  max-width:var(--wrap);
  margin:2px auto 0;
}
.menu-wrap>summary{
  list-style:none;
  display:inline-flex;
  align-items:center;
  gap:9px;
  min-height:42px;
  padding:0 15px;
  border-radius:999px;
  background:rgba(86,34,139,.34);
  color:#f0e8f7;
  font-size:1rem;
  cursor:pointer;
}
.menu-wrap>summary::-webkit-details-marker{display:none}
.menu-wrap>summary::after{
  content:"";
  width:8px;
  height:8px;
  border-right:2px solid currentColor;
  border-bottom:2px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
}

menu.nav{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:6px;
  margin:6px 0 6px;
  padding:0;
}
menu.nav li{animation:rise .5s ease both;animation-delay:calc(var(--i) * 45ms)}
menu.nav a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:44px;
  padding:0 14px;
  border-radius:999px;
  color:#e8ddf3;
  text-decoration:none;
  font-size:1rem;
}
menu.nav a:hover,menu.nav a:focus-visible{background:rgba(139,69,19,.5);color:#fff}
menu.nav .dot{width:8px;height:8px;flex:0 0 auto;fill:var(--clay-lt)}

@keyframes rise{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:none}
}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1fr);
  align-items:center;
  gap:clamp(18px,3vw,46px);
  min-height:100vh;
  min-height:100svh;
  max-width:var(--wrap);
  margin:0 auto;
  padding:clamp(26px,5vw,64px) clamp(16px,4vw,40px);
  overflow:hidden;
}

.ghost{
  position:absolute;
  right:-4%;
  bottom:1%;
  font-family:"Fredoka",sans-serif;
  font-weight:700;
  font-size:clamp(58px,14vw,180px);
  line-height:.8;
  letter-spacing:-.035em;
  color:rgba(244,236,230,.055);
  white-space:nowrap;
  pointer-events:none;
  z-index:0;
}

.collage{position:relative;min-height:clamp(240px,44vh,420px);z-index:1}
.tile{
  position:absolute;
  margin:0;
  overflow:hidden;
  box-shadow:var(--shadow);
  background:linear-gradient(150deg,var(--violet),var(--clay));
  will-change:transform;
}
.tile-a{
  width:62%;
  aspect-ratio:3/4;
  right:4%;
  top:0;
  border-radius:54% 46% 62% 38%/44% 56% 44% 56%;
}
.tile-b{
  width:46%;
  aspect-ratio:1/1;
  left:0;
  bottom:-2%;
  border-radius:40% 60% 44% 56%/56% 44% 60% 40%;
  background:linear-gradient(160deg,var(--clay-lt),var(--violet));
}
.tile .shot{width:100%;height:100%;object-fit:cover}
.blob{
  position:absolute;
  inset:18% 22% 30% 20%;
  border-radius:60% 40% 55% 45%/48% 60% 40% 52%;
  background:rgba(244,236,230,.22);
}
.blob.alt{inset:24% 26% 24% 28%;background:rgba(31,23,38,.28)}

.copy{position:relative;z-index:2;text-align:right}
.copy .desc{
  color:var(--muted);
  font-size:1.06rem;
  margin:0 0 1.1em;
}
.chips{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:8px;margin:0}
.chip{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 16px;
  border-radius:999px;
  background:rgba(86,34,139,.4);
  color:#f5eefb;
  text-decoration:none;
  font-size:1rem;
}
.chip:hover{background:var(--violet-lt)}

/* ---------- 品牌条 ---------- */
.band{
  max-width:var(--wrap);
  margin:0 auto;
  padding:clamp(28px,5vw,58px) clamp(16px,4vw,40px) 0;
}
.band h2{margin-bottom:.15em}
.kwline{
  color:var(--muted);
  font-size:1.08rem;
  letter-spacing:.02em;
  max-width:34em;
}

/* ---------- 正文 + 侧栏 ---------- */
.stage{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(220px,282px);
  align-items:start;
  gap:clamp(20px,3vw,46px);
  max-width:var(--wrap);
  margin:0 auto;
  padding:clamp(26px,4vw,48px) clamp(16px,4vw,40px);
}

.prose{min-width:0}

.prose>article{
  margin:0 0 22px;
  padding:clamp(20px,3.5vw,34px) clamp(16px,3vw,30px);
  background:rgba(244,236,230,.05);
  border-radius:var(--r3) var(--r1) var(--r3) var(--r3);
}
.prose>article:nth-child(even){
  background:rgba(139,69,19,.11);
  border-radius:var(--r1) var(--r3) var(--r3) var(--r3);
}
.prose>article:last-child{margin-bottom:0}

.prose h2{margin-top:.1em}
.prose h3{color:#f6eefc}
.prose p{color:#e6dcf0}
.prose ul,.prose ol{padding-left:1.25em;margin:0 0 1em;color:#e6dcf0}
.prose li{margin:.35em 0}
.prose a{color:var(--clay-lt);text-underline-offset:3px}
.prose strong{color:#fff}
.prose blockquote{
  margin:0 0 1em;
  padding:2px 0 2px 16px;
  border-left:4px solid var(--violet-lt);
  color:var(--muted);
}
.prose figure,.prose aside{margin:1.2em 0}

.rail{
  position:sticky;
  top:150px;
  padding:22px 20px;
  border-radius:var(--r3) var(--r1) var(--r3) var(--r3);
  background:linear-gradient(170deg,rgba(86,34,139,.36),rgba(31,23,38,.5));
  box-shadow:var(--shadow);
}
.rail h3{margin-bottom:.1em}
.rail-list{
  list-style:none;
  counter-reset:rl;
  margin:0;
  padding:0;
}
.rail-list li{counter-increment:rl;border-top:1px solid rgba(244,236,230,.12)}
.rail-list li:first-child{border-top:0}
.rail-list a{
  display:flex;
  align-items:center;
  gap:10px;
  min-height:42px;
  color:#eee4f7;
  text-decoration:none;
  font-size:1rem;
}
.rail-list a::before{
  content:counter(rl,decimal-leading-zero);
  font-family:"Fredoka",sans-serif;
  font-size:.9rem;
  color:var(--clay-lt);
  min-width:1.9em;
}
.rail-list a:hover{color:#fff}

/* ---------- 页脚 ---------- */
footer{
  margin-top:clamp(30px,6vw,70px);
  padding:clamp(34px,6vw,70px) clamp(16px,4vw,40px) 26px;
  text-align:center;
  background:linear-gradient(180deg,rgba(86,34,139,.3),rgba(31,23,38,.92));
  border-top:1px solid rgba(139,69,19,.32);
}
footer .cta{
  font-family:"Fredoka",sans-serif;
  font-size:clamp(1.35rem,4.4vw,2.3rem);
  margin:0 0 20px;
}
footer .cta a{
  display:inline-flex;
  align-items:center;
  min-height:50px;
  padding:6px 30px;
  border-radius:999px;
  background:var(--clay);
  color:#fff;
  text-decoration:none;
}
footer .cta a:hover{background:var(--clay-lt)}
footer small{
  display:block;
  color:var(--muted);
  font-size:1rem;
}

/* ---------- 断点 ---------- */
@media (max-width:900px){
  .stage{grid-template-columns:1fr}
  .rail{position:static;order:2}
  .prose{order:1}
}

@media (max-width:760px){
  [id]{scroll-margin-top:170px}
  .hero{
    grid-template-columns:1fr;
    align-content:center;
    gap:20px;
    min-height:auto;
    padding-top:26px;
  }
  .copy{order:-1;text-align:right}
  .collage{min-height:clamp(180px,32vh,260px)}
  .ghost{font-size:clamp(52px,17vw,110px);bottom:-3%}
  .find input{width:min(52vw,190px)}
  .menu-wrap>summary{width:100%;justify-content:space-between}
}

@media (max-width:420px){
  menu.nav{gap:4px}
  menu.nav a{padding:0 11px}
  .find{margin-left:0;width:100%}
  .find input{width:100%;flex:1 1 auto}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  menu.nav li{animation:none}
  .tile{will-change:auto}
}

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