:root{
  --brand-1:#f7b787;
  --brand-2:#f2a6b8;
  --bg:#fffaf8;
  --card:#ffffff;
  --ink:#3d3230;
  --ink-soft:#7a6b67;
  --ink-faint:#a89893;
  --line:#f1e3dc;
  --shadow:0 2px 14px rgba(196,150,130,.10);
  --shadow-hi:0 10px 28px rgba(196,150,130,.20);
  --radius:18px;
  --maxw:1040px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;}

/* ============ 顶部导航 ============ */
.nav{
  position:fixed;
  top:0;left:0;right:0;
  z-index:50;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  max-width:var(--maxw);
  margin:0 auto;
  padding:14px 24px;
  border-radius:0 0 18px 18px;
  transition:background .3s ease, box-shadow .3s ease, border-color .3s ease;
  border-bottom:1px solid transparent;
}
.nav.is-stuck{
  background:rgba(255,250,248,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom-color:var(--line);
  box-shadow:0 4px 20px rgba(196,150,130,.08);
}
.nav-logo{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-weight:600;
  font-size:16px;
  text-decoration:none;
  letter-spacing:.02em;
}
.nav-dot{
  width:12px;height:12px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:0 0 0 3px rgba(242,166,184,.18);
}
.nav-links{
  display:flex;
  gap:26px;
  font-size:15px;
}
.nav-links a{
  text-decoration:none;
  color:var(--ink-soft);
  position:relative;
  transition:color .2s ease;
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:0;right:100%;
  bottom:-4px;
  height:2px;
  border-radius:2px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
  transition:right .28s ease;
}
.nav-links a:hover{color:var(--ink);}
.nav-links a:hover::after{right:0;}

/* ============ Hero ============ */
.hero{
  position:relative;
  min-height:100vh;
  max-width:var(--maxw);
  margin:0 auto;
  padding:120px 24px 80px;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  align-items:center;
  gap:40px;
}
.hero-glow{
  position:absolute;
  top:6%;right:-8%;
  width:620px;height:620px;
  border-radius:50%;
  background:radial-gradient(circle at 40% 40%, rgba(247,183,135,.30), rgba(242,166,184,.20) 45%, rgba(242,166,184,0) 70%);
  filter:blur(10px);
  pointer-events:none;
  z-index:0;
}
.hero-text{position:relative;z-index:1;}
.greet{
  margin:0 0 14px;
  font-size:15px;
  color:var(--ink-faint);
  letter-spacing:.06em;
}
.greet #greet-word{
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  font-weight:600;
}
.hero h1{
  margin:0 0 18px;
  font-size:clamp(38px,6vw,62px);
  line-height:1.15;
  letter-spacing:-.01em;
  color:var(--ink);
}
.hero h1::after{
  content:"";
  display:block;
  width:76px;height:6px;
  margin-top:20px;
  border-radius:6px;
  background:linear-gradient(90deg,var(--brand-1),var(--brand-2));
}
.tagline{
  margin:0 0 34px;
  font-size:clamp(16px,2.1vw,19px);
  color:var(--ink-soft);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.btn{
  display:inline-block;
  padding:12px 26px;
  border-radius:999px;
  font-size:15px;
  text-decoration:none;
  transition:transform .22s ease, box-shadow .22s ease, background .22s ease;
}
.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:0 6px 18px rgba(242,166,184,.38);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 26px rgba(242,166,184,.46);}
.btn-ghost{
  color:var(--ink-soft);
  background:rgba(255,255,255,.7);
  border:1px solid var(--line);
}
.btn-ghost:hover{transform:translateY(-3px);color:var(--ink);box-shadow:var(--shadow);}

.hero-figure{
  position:relative;
  z-index:1;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  min-height:340px;
}
.rabbit-shadow{
  width:150px;height:22px;
  margin-top:16px;
  border-radius:50%;
  background:radial-gradient(ellipse at center, rgba(196,150,130,.30), rgba(196,150,130,0) 70%);
  animation:shadowPulse 9s ease-in-out infinite;
}
@keyframes shadowPulse{
  0%,100%{transform:scaleX(1);opacity:.85;}
  50%{transform:scaleX(.82);opacity:.6;}
}

.scroll-hint{
  position:absolute;
  left:50%;bottom:34px;
  transform:translateX(-50%);
  width:26px;height:44px;
  border:2px solid var(--line);
  border-radius:14px;
  z-index:1;
}
.scroll-hint span{
  position:absolute;
  left:50%;top:9px;
  width:4px;height:8px;
  margin-left:-2px;
  border-radius:2px;
  background:var(--brand-2);
  animation:wheel 1.8s ease-in-out infinite;
}
@keyframes wheel{
  0%{opacity:0;transform:translateY(0);}
  35%{opacity:1;}
  100%{opacity:0;transform:translateY(14px);}
}

/* ============ 通用 section ============ */
.section{
  max-width:var(--maxw);
  margin:0 auto;
  padding:96px 24px;
}
.section-head{
  display:flex;
  align-items:baseline;
  gap:14px;
  margin-bottom:38px;
}
.section-idx{
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:transparent;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  -webkit-background-clip:text;
  background-clip:text;
}
.section-head h2{
  margin:0;
  font-size:clamp(24px,3.4vw,32px);
  letter-spacing:.01em;
}
.section-head::after{
  content:"";
  flex:1;
  height:1px;
  background:linear-gradient(90deg,var(--line),rgba(241,227,220,0));
}

/* ============ 关于 ============ */
.prose{max-width:760px;}
.prose p{
  margin:0 0 18px;
  font-size:16.5px;
  color:var(--ink-soft);
}
.prose p:first-child{
  font-size:19px;
  color:var(--ink);
  font-weight:500;
}
.prose p:last-child{margin-bottom:0;}

/* ============ 卡片 ============ */
.cards{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(320px,1fr));
  gap:20px;
}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 24px;
  box-shadow:var(--shadow);
  transition:transform .26s ease, box-shadow .26s ease, border-color .26s ease;
}
.card:hover,
.cards .card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hi);
  border-color:#f6d5c9;
}
.card-icon{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:13px;
  margin-bottom:18px;
  color:#fff;
  background:linear-gradient(135deg,var(--brand-1),var(--brand-2));
  box-shadow:0 6px 14px rgba(242,166,184,.34);
}
.card-icon svg{width:23px;height:23px;}
.card h3{
  margin:0 0 10px;
  font-size:18px;
}
.card p{
  margin:0 0 16px;
  font-size:14.5px;
  color:var(--ink-soft);
  line-height:1.7;
}
.tags{display:flex;flex-wrap:wrap;gap:8px;}
.tags span{
  font-size:12.5px;
  padding:4px 11px;
  border-radius:999px;
  color:var(--ink-soft);
  background:#fdf3ef;
  border:1px solid #f7e4dc;
}

/* ============ 工具箱 ============ */
.toolbox{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}
.toolbox span{
  padding:10px 20px;
  font-size:15px;
  border-radius:999px;
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .22s ease, color .22s ease, border-color .22s ease;
}
.toolbox span:hover{
  transform:translateY(-3px);
  color:#d18a9c;
  border-color:#f6d5c9;
}

/* ============ 本站 ============ */
.site-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:16px;
}
.site-item{
  display:flex;
  flex-direction:column;
  gap:6px;
  padding:20px 22px;
  border-radius:var(--radius);
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.site-key{
  font-size:12.5px;
  letter-spacing:.1em;
  color:var(--ink-faint);
}
.site-val{
  font-size:16px;
  font-weight:600;
}
.site-note{
  margin:24px 0 0;
  font-size:14.5px;
  color:var(--ink-faint);
}

/* ============ 随想 ============ */
.notes{
  list-style:none;
  margin:0;
  padding:0 0 0 26px;
  position:relative;
  max-width:720px;
}
.notes::before{
  content:"";
  position:absolute;
  left:5px;
  top:8px;
  bottom:8px;
  width:2px;
  border-radius:2px;
  background:linear-gradient(180deg,var(--brand-1),var(--brand-2),rgba(242,166,184,0));
}
.notes li{
  position:relative;
  margin:0 0 22px;
  font-size:16.5px;
  color:var(--ink-soft);
  line-height:1.8;
}
.notes li:last-child{margin-bottom:0;}
.notes li::before{
  content:"";
  position:absolute;
  left:-26px;
  top:11px;
  width:8px;height:8px;
  border-radius:50%;
  background:var(--brand-2);
  box-shadow:0 0 0 4px rgba(242,166,184,.16);
}

/* ============ 页脚 ============ */
footer{
  background-color:#f8f9fa;
  padding:32px 20px 26px;
  text-align:center;
  color:#6c757d;
  font-size:16px;
  border-top:1px solid var(--line);
}
footer img{
  height:16px;
  object-fit:contain;
  display:inline-block;
  vertical-align:middle;
  margin-right:6px;
}
footer a{
  color:#6c757d;
  text-decoration:none;
  font-size:16px;
}
footer a:hover{text-decoration:underline;}
.copyright{
  margin:14px 0 0;
  font-size:13px;
  color:var(--ink-faint);
}

/* ============ 滚动淡入 ============ */
/* 只有 JS 正常执行时才启用初始隐藏；JS 失败则内容照常可见 */
html.js-ready .reveal{
  opacity:0;
  transform:translateY(22px);
  transition:opacity .7s cubic-bezier(.22,.7,.3,1), transform .7s cubic-bezier(.22,.7,.3,1);
}
html.js-ready .reveal.is-in{
  opacity:1;
  transform:none;
}

/* ============ 兔子 ============ */
.rabbit{
  position:relative;
  width:200px;
  height:200px;
  transform-style:preserve-3d;
  animation:rotate 14s infinite linear;
}
@keyframes rotate{
  from{transform:rotateY(0deg);}
  to{transform:rotateY(360deg);}
}
.rabbit .head{
  position:absolute;width:100px;height:100px;border-radius:50%;
  background-color:#fff;top:20px;left:50px;
  box-shadow:0 0 10px rgba(0,0,0,.2);
}
.rabbit .ear{
  position:absolute;width:60px;height:120px;background-color:#fff;
  border-radius:50px / 120px;box-shadow:0 0 10px rgba(0,0,0,.2);
}
.rabbit .ear.left{left:30px;top:-10px;transform:rotate(-15deg);}
.rabbit .ear.right{right:30px;top:-10px;transform:rotate(15deg);}
.rabbit .eye{
  position:absolute;width:15px;height:15px;border-radius:50%;background-color:#000;
}
.rabbit .eye.left{left:30px;top:40px;}
.rabbit .eye.right{right:30px;top:40px;}
.rabbit .nose{
  position:absolute;width:20px;height:20px;border-radius:50%;
  background-color:pink;bottom:30px;left:40px;
}
.rabbit .mouth{
  position:absolute;width:40px;height:20px;bottom:20px;left:30px;
  border-bottom:2px solid #000;border-radius:50%;
}
.rabbit .body{
  position:absolute;width:120px;height:120px;border-radius:50%;
  background-color:#fff;top:100px;left:40px;
  box-shadow:0 0 10px rgba(0,0,0,.2);
}
.rabbit .leg{
  position:absolute;width:30px;height:40px;border-radius:30px / 40px;
  background-color:#fff;box-shadow:0 0 10px rgba(0,0,0,.2);
}
.rabbit .leg.left-front{left:40px;bottom:40px;transform:rotate(-10deg);}
.rabbit .leg.right-front{right:40px;bottom:40px;transform:rotate(10deg);}
.rabbit .leg.left-back{left:20px;bottom:20px;transform:rotate(-20deg);}
.rabbit .leg.right-back{right:20px;bottom:20px;transform:rotate(20deg);}
.rabbit .tail{
  position:absolute;width:30px;height:30px;border-radius:50%;
  background-color:#fff;right:10px;bottom:40px;
  box-shadow:0 0 10px rgba(0,0,0,.2);
}

/* ============ 响应式 ============ */
@media (max-width:820px){
  .hero{
    grid-template-columns:1fr;
    text-align:center;
    padding:110px 22px 70px;
    min-height:auto;
  }
  .hero h1::after{margin-left:auto;margin-right:auto;}
  .hero-actions{justify-content:center;}
  .hero-glow{top:0;right:-30%;width:440px;height:440px;}
  .hero-figure{order:-1;min-height:250px;margin-bottom:6px;}
  .scroll-hint{display:none;}
  .section{padding:72px 22px;}
  .nav{padding:12px 18px;}
  .nav-links{gap:16px;font-size:14px;}
  .prose p:first-child{font-size:17.5px;}
  .notes{padding-left:22px;}
}
@media (max-width:560px){
  .nav-logo span:last-child{font-size:15px;}
  .nav-links a[href="#tools"],
  .nav-links a[href="#site"]{display:none;}
}
@media (max-width:400px){
  .nav-links a[href="#notes"]{display:none;}
}

/* ============ 尊重减少动效偏好 ============ */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .rabbit,.rabbit-shadow,.scroll-hint span{animation:none !important;}
  html.js-ready .reveal{opacity:1;transform:none;transition:none;}
}