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

:root{
  --purple:#56228b;
  --purple-soft:#7c4bb0;
  --brown:#8b4513;
  --brown-soft:#b7743c;
  --ink:#1f1726;
  --ink-soft:rgba(31,23,38,.72);
  --cream:#f7f1e8;
  --sand:#eee0cd;
  --paper:#fffdf9;
  --moss:#4c6b46;
  --shadow:0 22px 46px -34px rgba(31,23,38,.55);
  --r-sm:16px;
  --r-md:24px;
  --r-lg:28px;
}

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

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

body{
  margin:0;
  font-family:'Figtree','Noto Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',system-ui,'PingFang SC','Microsoft YaHei',sans-serif;
  font-size:17px;
  line-height:1.78;
  color:var(--ink);
  background-color:var(--cream);
  background-image:
    radial-gradient(circle at 10% 6%,rgba(86,34,139,.12),transparent 44%),
    radial-gradient(circle at 92% 26%,rgba(139,69,19,.13),transparent 48%),
    radial-gradient(circle at 46% 92%,rgba(76,107,70,.10),transparent 52%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}

img{
  max-width:100%;
  display:block;
}

a{color:var(--purple)}

h1,h2,h3,h4{
  line-height:1.3;
  margin:0 0 .6em;
}

p{margin:0 0 1em}

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

/* ---------- 顶部两行 ---------- */
.site-head{
  position:sticky;
  top:0;
  z-index:40;
  background:rgba(247,241,232,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(31,23,38,.08);
}

.brandrow{
  max-width:1180px;
  margin:0 auto;
  padding:12px 22px 4px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:44px;
  text-decoration:none;
  color:var(--purple);
}

.logo-mark{
  border-radius:50% 46% 54% 50%;
  flex:0 0 auto;
}

.brand-name{
  font-size:1.28rem;
  font-weight:700;
  letter-spacing:.05em;
}

.contact{
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 22px;
  border-radius:999px;
  background:var(--purple);
  color:#fff;
  text-decoration:none;
  font-weight:600;
  font-size:.96rem;
  transition:background .25s ease,transform .25s ease;
}

.contact:hover{
  background:var(--brown);
  transform:translateY(-2px);
}

.menubar{
  max-width:1180px;
  margin:0 auto;
  padding:0 22px 10px;
}

.nav-aside{overflow:hidden}

.nav-list{
  display:flex;
  flex-wrap:wrap;
  gap:4px 2px;
  list-style:none;
  margin:0;
  padding:0;
}

.nav-list li{display:flex}

.nav-link{
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:0 14px;
  border-radius:999px;
  color:var(--ink);
  text-decoration:none;
  font-weight:600;
  font-size:.95rem;
  white-space:nowrap;
  transition:color .2s ease,background .2s ease;
}

.nav-link:hover,
.nav-link:focus-visible{
  background:rgba(139,69,19,.15);
  color:var(--brown);
}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  overflow:hidden;
  min-height:100vh;
  display:flex;
  align-items:center;
}

.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(86,34,139,.22) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.55;
  mask-image:radial-gradient(120% 90% at 30% 20%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(120% 90% at 30% 20%,#000 20%,transparent 78%);
  pointer-events:none;
}

.hero::after{
  content:"";
  position:absolute;
  width:min(46vw,430px);
  height:min(46vw,430px);
  right:-110px;
  top:-90px;
  background:rgba(86,34,139,.12);
  border-radius:47% 53% 62% 38% / 52% 39% 61% 48%;
  animation:drift 20s ease-in-out infinite;
  pointer-events:none;
}

@keyframes drift{
  0%,100%{transform:translate3d(0,0,0) rotate(0deg)}
  50%{transform:translate3d(-18px,26px,0) rotate(8deg)}
}

.hero-in{
  position:relative;
  z-index:1;
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:clamp(26px,5vw,56px) 22px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:clamp(24px,4vw,56px);
  align-items:center;
}

.hero-title{
  font-size:clamp(2rem,5.2vw,3.6rem);
  line-height:1.16;
  letter-spacing:-.015em;
  color:var(--ink);
  margin:0 0 .5em;
}

.hero-lede{
  font-size:clamp(1rem,1.4vw,1.12rem);
  color:var(--ink-soft);
  max-width:44ch;
  margin:0 0 1.4em;
}

.hero-cta{
  display:inline-flex;
  align-items:center;
  min-height:48px;
  padding:0 30px;
  border-radius:999px;
  background:var(--brown);
  color:#fff;
  font-weight:600;
  text-decoration:none;
  transition:background .25s ease,transform .25s ease;
}

.hero-cta:hover{
  background:var(--purple);
  transform:translateY(-2px);
}

.hero-art{
  aspect-ratio:4 / 5;
  border-radius:44% 56% 52% 48% / 50% 42% 58% 50%;
  overflow:hidden;
  background:linear-gradient(150deg,var(--sand),rgba(86,34,139,.16));
  box-shadow:var(--shadow);
}

.hero-img{
  width:100%;
  height:100%;
  object-fit:cover;
}

/* ---------- 正文骨架 ---------- */
.wrap{
  display:grid;
  grid-template-columns:minmax(0,1fr) 288px;
  align-items:start;
  gap:clamp(20px,3vw,40px);
  max-width:1180px;
  margin:0 auto;
  padding:clamp(24px,4vw,52px) 22px 72px;
}

.content{min-width:0}

div article{
  background:var(--paper);
  border-radius:var(--r-lg);
  padding:clamp(22px,3.4vw,40px);
  margin:0 0 24px;
  box-shadow:var(--shadow);
  scroll-margin-top:170px;
}

div article:last-child{margin-bottom:0}

div h2{
  display:flex;
  align-items:flex-start;
  gap:12px;
  font-size:clamp(1.28rem,2.3vw,1.66rem);
  color:var(--purple);
  margin:0 0 .7em;
}

div h2::before{
  content:"";
  flex:0 0 auto;
  width:12px;
  height:12px;
  margin-top:.55em;
  border-radius:60% 40% 55% 45%;
  background:var(--brown);
}

div h2 span,
div h3 span{
  display:inline;
}

div h3{
  font-size:1.14rem;
  color:var(--brown);
  margin:1.4em 0 .5em;
}

div h4{
  font-size:1.02rem;
  color:var(--ink);
}

div p,
div li{
  font-size:1rem;
  color:var(--ink-soft);
}

div ul,
div ol{
  padding-left:1.3em;
  margin:0 0 1em;
}

div li{margin-bottom:.4em}

div a{
  color:var(--purple);
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}

div a:hover{color:var(--brown)}

div blockquote{
  margin:0 0 1em;
  padding:16px 20px;
  border-radius:var(--r-sm);
  background:rgba(139,69,19,.09);
  color:var(--ink);
}

div strong{color:var(--ink)}

/* ---------- 右栏 ---------- */
.side{
  position:sticky;
  top:140px;
  background:rgba(255,253,249,.8);
  border-radius:var(--r-md);
  padding:20px 18px 16px;
  box-shadow:var(--shadow);
}

.side-h{
  font-size:1.02rem;
  letter-spacing:.12em;
  color:var(--brown);
  margin:0 0 10px;
}

.side-h span{display:inline}

.side-list{
  list-style:none;
  margin:0 0 12px;
  padding:0;
  display:grid;
  gap:2px;
}

.side-list a{
  display:flex;
  align-items:center;
  min-height:42px;
  padding:0 12px;
  border-radius:14px;
  color:var(--ink);
  text-decoration:none;
  font-size:.95rem;
  transition:background .2s ease,color .2s ease;
}

.side-list a:hover{
  background:rgba(86,34,139,.1);
  color:var(--purple);
}

.top-link{
  display:inline-flex;
  align-items:center;
  min-height:42px;
  padding:0 12px;
  border-radius:14px;
  color:var(--brown);
  font-weight:600;
  font-size:.94rem;
  text-decoration:none;
}

.top-link:hover{background:rgba(139,69,19,.12)}

/* ---------- 页脚 ---------- */
.site-foot{
  margin-top:44px;
  padding:clamp(34px,6vw,64px) 22px 26px;
  background:var(--ink);
  color:var(--cream);
  border-radius:48px 48px 0 0;
}

.foot-h,
.foot-cols,
.giant-brand,
.foot-bottom{
  max-width:1180px;
  margin-left:auto;
  margin-right:auto;
}

.foot-h{
  font-size:.98rem;
  letter-spacing:.16em;
  color:rgba(247,241,232,.58);
  margin:0 auto 18px;
}

.foot-h span{display:inline}

.foot-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:26px;
}

.foot-cols dl{margin:0}

.foot-cols dt{
  font-size:.84rem;
  letter-spacing:.12em;
  color:var(--brown-soft);
  margin-bottom:6px;
}

.foot-cols dd{margin:0}

.foot-cols a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  color:rgba(247,241,232,.86);
  text-decoration:none;
  font-size:.94rem;
}

.foot-cols a:hover{
  color:#fff;
  text-decoration:underline;
  text-underline-offset:3px;
}

.giant-brand{
  margin:34px auto 20px;
  font-size:clamp(2.4rem,9.4vw,5.6rem);
  line-height:1.02;
  font-weight:700;
  letter-spacing:-.02em;
  color:rgba(247,241,232,.16);
  white-space:nowrap;
  overflow:hidden;
}

.foot-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  padding-top:16px;
  border-top:1px solid rgba(247,241,232,.16);
}

.copy{
  margin:0;
  font-size:.9rem;
  color:rgba(247,241,232,.68);
}

.foot-links{
  display:flex;
  gap:20px;
}

.foot-links a{
  display:inline-flex;
  align-items:center;
  min-height:40px;
  color:rgba(247,241,232,.85);
  text-decoration:none;
  font-size:.92rem;
}

.foot-links a:hover{color:#fff}

/* ---------- 移动端 ---------- */
@media (max-width:860px){
  body{font-size:16.5px}

  .nav-list{
    flex-wrap:nowrap;
    overflow-x:auto;
    padding-bottom:4px;
    scrollbar-width:none;
  }

  .nav-list::-webkit-scrollbar{display:none}

  .nav-link{padding:0 12px}

  .hero{min-height:calc(100svh - 120px)}

  .hero-in{grid-template-columns:1fr;padding-top:30px;padding-bottom:36px}

  .hero-art{
    aspect-ratio:16 / 11;
    border-radius:38% 62% 46% 54% / 44% 40% 60% 56%;
    order:2;
  }

  .wrap{grid-template-columns:minmax(0,1fr)}

  .side{position:static;order:2}

  div article{scroll-margin-top:190px}

  .foot-cols{gap:14px}

  .giant-brand{
    font-size:clamp(2rem,11.5vw,3rem);
    margin:28px auto 16px;
  }
}

@media (max-width:420px){
  .brand-name{font-size:1.12rem}
  .contact{padding:0 18px}
  .foot-cols a{font-size:.9rem}
}

@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}