:root{
  --brand:#ff5f8f;
  --brand-dark:#d63b6c;
  --brand-soft:#fff0f5;
  --text:#26232b;
  --muted:#6b6572;
  --line:#f0e6ec;
  --bg:#ffffff;
  --bg-soft:#fff8fb;
  --radius:16px;
  --shadow:0 10px 30px rgba(214,59,108,.10);
  --glass:rgba(255,255,255,.72);
  --glass-border:rgba(255,255,255,.5);
  --grad:linear-gradient(135deg,#ff5f8f 0%,#ff8fb1 45%,#ffc2d6 100%);
  --grad-soft:linear-gradient(135deg,#fff0f5 0%,#ffe3ee 50%,#fff8fb 100%);
}
html[data-theme="dark"]{
  --brand:#ff7aa4;
  --brand-dark:#ff9dbb;
  --brand-soft:#2a1c24;
  --text:#f3eef2;
  --muted:#b8aeb8;
  --line:#3a2b34;
  --bg:#1c151a;
  --bg-soft:#241a20;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --glass:rgba(36,26,32,.72);
  --glass-border:rgba(255,255,255,.08);
  --grad:linear-gradient(135deg,#d63b6c 0%,#ff7aa4 50%,#ffb3cc 100%);
  --grad-soft:linear-gradient(135deg,#2a1c24 0%,#241a20 50%,#1c151a 100%);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.85;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{max-width:100%;display:block}
a{color:var(--brand-dark);text-decoration:none;transition:color .25s ease}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.35;margin:0 0 .6em;font-weight:700}
h1{font-size:2rem}
h2{font-size:1.5rem;margin-top:2.2em;padding-left:.6em;border-left:5px solid var(--brand)}
h3{font-size:1.2rem;margin-top:1.6em;color:var(--brand-dark)}
h4{font-size:1.05rem;margin-top:1.2em}
p{margin:0 0 1em}
ul,ol{padding-left:1.4em;margin:0 0 1em}
li{margin:.35em 0}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;z-index:999;border-radius:0 0 10px 0}
.skip-link:focus{left:10px;top:10px}
::selection{background:var(--brand);color:#fff}
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--glass);
  backdrop-filter:blur(14px) saturate(160%);
  -webkit-backdrop-filter:blur(14px) saturate(160%);
  border-bottom:1px solid var(--line);
  transition:background .3s ease,box-shadow .3s ease;
}
.header-inner{display:flex;align-items:center;gap:16px;padding:12px 0}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;color:var(--text);transition:transform .3s ease}
.logo:hover{text-decoration:none;transform:translateY(-1px)}
.logo svg{width:34px;height:34px;flex:none;border-radius:10px;box-shadow:0 4px 12px rgba(255,95,143,.35);transition:transform .4s ease}
.logo:hover svg{transform:rotate(-8deg) scale(1.05)}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav a{padding:8px 12px;border-radius:10px;color:var(--text);font-size:.95rem;transition:background .25s ease,color .25s ease,transform .25s ease}
.nav a:hover{background:var(--brand-soft);text-decoration:none;color:var(--brand-dark);transform:translateY(-2px)}
.header-tools{display:flex;align-items:center;gap:8px}
.search-box{display:flex;align-items:center;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:var(--bg-soft);transition:box-shadow .3s ease,border-color .3s ease}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,95,143,.12)}
.search-box input{border:0;outline:0;background:transparent;padding:8px 12px;width:150px;color:var(--text);font-size:.9rem}
.search-box input::placeholder{color:var(--muted)}
.search-box button{border:0;background:var(--brand);color:#fff;padding:8px 14px;cursor:pointer;font-size:.9rem;transition:background .25s ease}
.search-box button:hover{background:var(--brand-dark)}
.icon-btn{border:1px solid var(--line);background:var(--bg-soft);color:var(--text);width:40px;height:40px;border-radius:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:border-color .25s ease,transform .25s ease,background .25s ease}
.icon-btn:hover{border-color:var(--brand);transform:translateY(-2px)}
.icon-btn:active{transform:scale(.95)}
.menu-toggle{display:none}
.hero{position:relative;overflow:hidden;background:var(--grad-soft);padding:44px 0 36px}
.hero::before{content:"";position:absolute;top:-120px;right:-120px;width:420px;height:420px;border-radius:50%;background:var(--grad);opacity:.16;filter:blur(60px);pointer-events:none}
.hero::after{content:"";position:absolute;bottom:-140px;left:-100px;width:360px;height:360px;border-radius:50%;background:var(--brand);opacity:.10;filter:blur(70px);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:36px;align-items:center;position:relative;z-index:1}
.hero h1{margin-bottom:.4em;background:var(--grad);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hero .lead{font-size:1.05rem;color:var(--muted);margin-bottom:1.4em}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;border:1px solid transparent;cursor:pointer;font-size:.98rem;transition:transform .3s ease,box-shadow .3s ease,background .3s ease,color .3s ease}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(255,95,143,.32)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(255,95,143,.42);text-decoration:none;color:#fff}
.btn-ghost{border-color:var(--brand);color:var(--brand-dark);background:transparent}
.btn-ghost:hover{background:var(--brand-soft);text-decoration:none;transform:translateY(-3px)}
.hero-facts{display:flex;gap:26px;margin-top:28px;flex-wrap:wrap}
.fact strong{display:block;font-size:1.6rem;color:var(--brand-dark);font-weight:800}
.fact span{font-size:.85rem;color:var(--muted)}
.hero-art{border-radius:24px;overflow:hidden;box-shadow:var(--shadow);background:var(--bg)}
.carousel{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border)}
.slides{display:flex;transition:transform .6s cubic-bezier(.22,.61,.36,1)}
.slide{min-width:100%;padding:26px;background:transparent}
.slide h3{margin-top:0}
.slide p{color:var(--muted);margin-bottom:0}
.carousel-nav{position:absolute;bottom:12px;right:14px;display:flex;gap:8px}
.dot{width:10px;height:10px;border-radius:50%;border:0;background:rgba(255,95,143,.35);cursor:pointer;padding:0;transition:width .3s ease,background .3s ease}
.dot.active{background:var(--brand);width:24px;border-radius:999px}
.section{padding:44px 0;border-top:1px solid var(--line)}
.section:first-of-type{border-top:0}
.section-head{max-width:760px;margin-bottom:24px}
.section-head p{color:var(--muted);margin-bottom:0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.card{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:var(--bg);transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--brand)}
.card h3{margin-top:0}
.card p{color:var(--muted);margin-bottom:0;font-size:.95rem}
.article-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px}
.article-item{border:1px solid var(--line);border-radius:var(--radius);padding:20px;background:var(--bg);transition:transform .35s ease,box-shadow .35s ease,border-color .35s ease}
.article-item:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--brand)}
.article-item h3{margin-top:0;font-size:1.08rem}
.article-meta{font-size:.82rem;color:var(--muted);margin-bottom:.6em}
.article-item p{font-size:.94rem;color:var(--muted)}
.readmore{font-weight:600;font-size:.92rem;transition:letter-spacing .3s ease}
.readmore:hover{letter-spacing:.5px;text-decoration:none}
.faq-item{border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:var(--bg);overflow:hidden;transition:border-color .3s ease,box-shadow .3s ease}
.faq-item:hover{border-color:var(--brand)}
.faq-item.open{border-color:var(--brand);box-shadow:var(--shadow)}
.faq-q{width:100%;text-align:left;background:transparent;border:0;padding:16px 18px;font-size:1rem;font-weight:600;color:var(--text);cursor:pointer;display:flex;justify-content:space-between;gap:12px;align-items:center;transition:color .25s ease}
.faq-q:hover{color:var(--brand-dark)}
.faq-q::after{content:"+";color:var(--brand);font-size:1.3rem;line-height:1;transition:transform .3s ease}
.faq-item.open .faq-q::after{content:"−";transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;padding:0 18px}
.faq-item.open .faq-a{max-height:600px;padding-bottom:16px}
.faq-a p{margin:0;color:var(--muted);font-size:.95rem}
.steps{counter-reset:step;list-style:none;padding:0}
.steps li{position:relative;padding:14px 16px 14px 58px;border:1px solid var(--line);border-radius:12px;margin-bottom:10px;background:var(--bg);transition:transform .3s ease,border-color .3s ease}
.steps li:hover{transform:translateX(6px);border-color:var(--brand)}
.steps li::before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:14px;width:28px;height:28px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.9rem;box-shadow:0 4px 10px rgba(255,95,143,.3)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;min-width:560px;font-size:.94rem}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--brand-soft);color:var(--brand-dark)}
tr{transition:background .25s ease}
tbody tr:hover{background:var(--bg-soft)}
tr:last-child td{border-bottom:0}
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:40px 0 24px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:26px}
.footer-grid h4{margin-top:0;font-size:1rem}
.footer-grid ul{list-style:none;padding:0;margin:0}
.footer-grid li{margin:.4em 0;font-size:.9rem;color:var(--muted)}
.footer-grid a{color:var(--muted);transition:color .25s ease,padding-left .25s ease}
.footer-grid a:hover{color:var(--brand-dark);padding-left:4px;text-decoration:none}
.footer-bottom{border-top:1px solid var(--line);margin-top:26px;padding-top:18px;font-size:.85rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between}
.to-top{position:fixed;right:20px;bottom:24px;width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;border:0;cursor:pointer;box-shadow:var(--shadow);display:none;align-items:center;justify-content:center;z-index:120;transition:transform .3s ease,opacity .3s ease}
.to-top.show{display:flex;animation:fadeUp .4s ease}
.to-top:hover{transform:translateY(-4px) scale(1.06)}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease}
.reveal.visible{opacity:1;transform:none}
.breadcrumb{font-size:.85rem;color:var(--muted);padding:14px 0}
.breadcrumb ol{list-style:none;display:flex;gap:8px;padding:0;margin:0;flex-wrap:wrap}
.breadcrumb li+li::before{content:"›";margin-right:8px;color:var(--brand)}
.note{background:var(--brand-soft);border-left:4px solid var(--brand);padding:14px 18px;border-radius:0 12px 12px 0;color:var(--muted);font-size:.95rem}
.tag{display:inline-block;background:var(--brand-soft);color:var(--brand-dark);border-radius:999px;padding:3px 12px;font-size:.8rem;margin:0 6px 6px 0;transition:transform .25s ease}
.tag:hover{transform:translateY(-2px)}
.author-box{display:flex;gap:16px;align-items:flex-start;border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:var(--bg);transition:border-color .3s ease,box-shadow .3s ease}
.author-box:hover{border-color:var(--brand);box-shadow:var(--shadow)}
.author-box svg{width:56px;height:56px;flex:none;border-radius:50%}
.author-box p{margin:0;font-size:.92rem;color:var(--muted)}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr}
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;padding:10px 16px;box-shadow:var(--shadow)}
  .nav.open{display:flex;animation:fadeUp .3s ease}
  .menu-toggle{display:flex}
  .search-box input{width:110px}
  .hero h1{font-size:1.7rem}
}
@media (max-width:520px){
  h1{font-size:1.55rem}
  h2{font-size:1.28rem}
  .search-box{display:none}
  .hero{padding:32px 0 28px}
  .section{padding:34px 0}
  .hero-facts{gap:18px}
  .fact strong{font-size:1.35rem}
  .to-top{right:14px;bottom:16px;width:42px;height:42px}
}
@media (min-width:1200px){
  .wrap{max-width:1160px}
}