:root{
  --primary:#FF4D6D;
  --primary-soft:#FFE3E8;
  --secondary:#00B8A9;
  --secondary-soft:#E8FFF9;
  --accent:#FFD93D;
  --bg:#FFF9F2;
  --surface:#FFFFFF;
  --ink:#1E1E1E;
  --muted:rgba(30,30,30,.65);
  --border:2px solid var(--ink);
  --shadow:6px 6px 0 rgba(30,30,30,.85);
  --shadow-sm:3px 3px 0 rgba(30,30,30,.8);
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,'PingFang SC','Microsoft YaHei',sans-serif;
  overflow-x:hidden;
  background-color:var(--bg);
  background-image:radial-gradient(rgba(30,30,30,.035) 1px,transparent 1px);
  background-size:26px 26px;
  color:var(--ink);
  line-height:1.6;
}
::selection{background:var(--primary);color:#fff}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--primary);border:2px solid var(--ink);border-radius:8px}

/* 核心布局 */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0;position:relative}
.section:nth-child(even){background:var(--secondary-soft)}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;width:100%;z-index:1000;
  background:rgba(255,249,242,.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:var(--border);
}
.header-inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;
  height:72px;max-width:1200px;margin:0 auto;padding:0 24px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-weight:900;font-size:1.25rem;text-decoration:none;
  color:var(--ink);letter-spacing:-.01em;
}
.logo-icon{
  width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:1rem;background:linear-gradient(135deg,var(--primary),#FF8FA3);
  color:#fff;border:var(--border);box-shadow:var(--shadow-sm);
}
.main-nav{
  display:flex;align-items:center;gap:32px;list-style:none;margin:0;padding:0;
}
.main-nav a{
  text-decoration:none;font-size:.9rem;font-weight:700;color:var(--ink);
  transition:color .2s;position:relative;padding:4px 0;
}
.main-nav a::after{
  content:'';position:absolute;bottom:-2px;left:0;width:0;height:3px;
  background:var(--primary);border-radius:4px;
  transition:width .25s cubic-bezier(.65,.05,.36,1);
}
.main-nav a:hover{color:var(--primary)}
.main-nav a:hover::after{width:100%}
.nav-cta{
  padding:8px 22px;border-radius:12px;color:#fff!important;font-weight:700;
  background:var(--primary);border:var(--border);box-shadow:var(--shadow-sm);
  transition:all .2s;
}
.nav-cta::after{display:none}
.nav-cta:hover{color:#fff!important;transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--ink)}
.menu-toggle{
  display:none;flex-direction:column;gap:5px;
  background:none;border:none;cursor:pointer;padding:10px;z-index:1001;
}
.menu-toggle span{
  display:block;width:26px;height:3px;background:var(--ink);border-radius:3px;
  transition:all .25s;
}
.menu-toggle.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* 首页Hero */
.hero{
  min-height:85vh;display:flex;align-items:center;
  padding:120px 0 96px;position:relative;overflow:hidden;
}
.hero::before{
  content:'';position:absolute;width:420px;height:420px;
  background:radial-gradient(circle,rgba(255,77,109,.22),transparent 70%);
  top:-120px;right:-80px;border-radius:50%;pointer-events:none;
}
.hero::after{
  content:'';position:absolute;width:340px;height:340px;
  background:radial-gradient(circle,rgba(0,184,169,.16),transparent 70%);
  bottom:-100px;left:8%;border-radius:50%;pointer-events:none;
}
.hero .container{
  position:relative;z-index:1;
  display:flex;align-items:center;gap:64px;width:100%;
}
.hero-content{flex:1.1;max-width:640px}
.hero-eyebrow{
  display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:2px;
  text-transform:uppercase;padding:6px 18px;border-radius:999px;
  margin-bottom:20px;background:var(--primary);color:#fff;
  border:var(--border);box-shadow:var(--shadow-sm);transform:rotate(-2deg);
}
.hero h1{
  font-size:3.5rem;font-weight:900;line-height:1.12;
  letter-spacing:-.025em;margin-bottom:20px;position:relative;z-index:0;
}
.hero h1::after{
  content:'';position:absolute;bottom:6px;left:-2px;width:104%;height:38%;
  background:linear-gradient(to right,rgba(255,77,109,.28),rgba(255,77,109,.12));
  border-radius:6px;z-index:-1;transform:skewX(-6deg);
}
.hero p{
  font-size:1.05rem;opacity:.72;max-width:480px;margin-bottom:36px;
  font-weight:500;border-left:4px solid var(--secondary);
  padding-left:20px;background:rgba(0,184,169,.07);
  border-radius:0 10px 10px 0;padding-top:8px;padding-bottom:8px;
}
.hero-buttons{display:flex;gap:16px;flex-wrap:wrap}
.hero-image{
  flex:.9;position:relative;border:var(--border);border-radius:24px;
  box-shadow:10px 10px 0 rgba(30,30,30,.85);overflow:hidden;
  background:var(--surface);animation:float 5s ease-in-out infinite;
  max-width:460px;
}
.hero-image img{width:100%;height:100%;object-fit:cover;display:block}
.hero-image::before{
  content:'💗 鼻血警告';position:absolute;top:-14px;left:-14px;
  background:var(--accent);border:var(--border);border-radius:999px;
  padding:6px 16px;font-size:.75rem;font-weight:800;
  box-shadow:3px 3px 0 rgba(30,30,30,.8);
  transform:rotate(-8deg);z-index:3;white-space:nowrap;
}
.hero-image::after{
  content:'♥';position:absolute;bottom:-12px;right:-12px;
  background:var(--primary);color:#fff;border:var(--border);
  border-radius:50%;width:48px;height:48px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.1rem;box-shadow:var(--shadow-sm);
  animation:heartbeat 1.2s ease-in-out infinite;
}
@keyframes float{
  0%,100%{transform:translateY(0)}
  50%{transform:translateY(-14px)}
}
@keyframes heartbeat{
  0%,100%{transform:scale(1)}
  15%{transform:scale(1.15)}
  30%{transform:scale(1)}
  45%{transform:scale(1.1)}
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 30px;border-radius:14px;font-weight:700;font-size:.9rem;
  cursor:pointer;border:var(--border);text-decoration:none;
  transition:all .18s cubic-bezier(.34,1.56,.64,1);
  box-shadow:var(--shadow-sm);
}
.btn:hover{transform:translate(-2px,-2px);box-shadow:5px 5px 0 var(--ink)}
.btn:active{transform:translate(2px,2px);box-shadow:1px 1px 0 var(--ink)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:#FF3355;color:#fff}
.btn-outline{background:var(--surface);color:var(--ink);border:var(--border)}
.btn-outline:hover{background:var(--accent);color:var(--ink)}

/* 标签/标题 */
.section-label{
  display:inline-block;font-size:.72rem;font-weight:800;letter-spacing:2px;
  text-transform:uppercase;margin-bottom:16px;padding:5px 18px;
  background:var(--accent);border:var(--border);border-radius:999px;
  box-shadow:var(--shadow-sm);transform:rotate(-1deg);
}
.section-title{
  font-size:2.2rem;font-weight:900;margin-bottom:16px;
  letter-spacing:-.02em;line-height:1.2;position:relative;z-index:0;
  display:inline-block;
}
.section-title::after{
  content:'';position:absolute;bottom:4px;left:0;width:100%;height:10px;
  background:rgba(255,77,109,.22);border-radius:4px;z-index:-1;transform:skewX(-8deg);
}
.section-desc{
  max-width:600px;opacity:.68;margin-bottom:44px;font-size:1rem;
}

/* 卡片网格 */
.cards-grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:28px;
}
.category-card{
  background:var(--surface);border:var(--border);border-radius:18px;
  padding:30px 28px;box-shadow:5px 5px 0 rgba(30,30,30,.8);
  transition:all .25s cubic-bezier(.34,1.56,.64,1);
  position:relative;overflow:hidden;
}
.category-card::before{
  content:'';position:absolute;top:0;left:0;width:100%;height:6px;
  background:linear-gradient(90deg,var(--primary),var(--accent),var(--secondary));
}
.category-card:hover{
  transform:translate(-4px,-4px);box-shadow:9px 9px 0 rgba(30,30,30,.8);
}
.card-icon{
  width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;font-size:1.4rem;
  background:var(--primary-soft);border:var(--border);
  box-shadow:2px 2px 0 rgba(30,30,30,.7);
}
.card-link{
  font-weight:700;font-size:.85rem;text-decoration:none;
  color:var(--primary);display:inline-flex;align-items:center;gap:4px;
  transition:gap .2s;
}
.card-link::after{content:'↗';font-size:1rem}
.card-link:hover{gap:8px}

/* 特性块 */
.feature-block{
  display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;
}
.feature-block:nth-child(even) .feature-image{order:2}
.feature-block:nth-child(even) .feature-text{order:1}
.feature-image{
  border:var(--border);border-radius:20px;
  box-shadow:8px 8px 0 rgba(30,30,30,.8);
  overflow:hidden;background:var(--surface);position:relative;
}
.feature-image::before{
  content:'◈';position:absolute;top:14px;left:14px;
  background:var(--accent);color:var(--ink);width:34px;height:34px;
  border-radius:10px;display:flex;align-items:center;justify-content:center;
  border:var(--border);font-size:1rem;
  box-shadow:2px 2px 0 rgba(30,30,30,.8);z-index:2;
}
.feature-image img{
  width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .4s cubic-bezier(.34,1.56,.64,1);
}
.feature-image:hover img{transform:scale(1.04)}
.feature-text{padding:20px 0}
.feature-text h2{
  font-size:1.75rem;font-weight:800;margin-bottom:14px;
  letter-spacing:-.01em;position:relative;display:inline-block;z-index:0;
}
.feature-text h2::after{
  content:'';position:absolute;bottom:2px;left:0;width:100%;height:8px;
  background:rgba(255,217,61,.55);z-index:-1;border-radius:4px;
}
.feature-text p{color:var(--muted);line-height:1.7;margin-bottom:24px}
.feature-list{
  list-style:none;margin:0;padding:0;
}
.feature-list li{
  padding:10px 0;display:flex;align-items:center;gap:10px;
  font-weight:600;border-bottom:2px dashed rgba(30,30,30,.12);
}
.feature-list li:last-child{border-bottom:none}
.feature-list li::before{
  content:'✦';color:var(--primary);font-size:1.1rem;font-weight:900;
}

/* 数据条 */
.stats-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:28px;text-align:center;
}
.stat-item{
  padding:32px 20px;border-radius:18px;background:var(--surface);
  border:var(--border);box-shadow:5px 5px 0 rgba(30,30,30,.8);
  transition:all .2s cubic-bezier(.34,1.56,.64,1);
  position:relative;overflow:hidden;
}
.stat-item::before{
  content:'💧';position:absolute;top:-16px;right:14px;
  font-size:1.4rem;opacity:0;transition:all .3s ease;
}
.stat-item:hover{
  transform:translate(-3px,-3px);box-shadow:8px 8px 0 rgba(30,30,30,.8);
}
.stat-item:hover::before{top:10px;opacity:1}
.stat-number{
  font-size:2.6rem;font-weight:900;color:var(--primary);
  letter-spacing:-.03em;line-height:1.15;
}
.stat-label{
  font-size:.85rem;font-weight:600;opacity:.6;margin-top:8px;
  text-transform:uppercase;letter-spacing:1px;
}

/* 内容墙 */
.content-wall{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:28px;
}
.content-wall-item{
  background:var(--surface);border:var(--border);border-radius:18px;
  overflow:hidden;box-shadow:5px 5px 0 rgba(30,30,30,.8);
  transition:all .25s cubic-bezier(.34,1.56,.64,1);position:relative;
}
.content-wall-item:hover{
  transform:translate(-4px,-4px);box-shadow:9px 9px 0 rgba(30,30,30,.8);
}
.content-wall-item::after{
  content:'▶';position:absolute;bottom:16px;right:16px;
  width:38px;height:38px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;border:var(--border);font-size:.75rem;
  opacity:0;transform:scale(.7);
  transition:all .25s cubic-bezier(.34,1.56,.64,1);
}
.content-wall-item:hover::after{opacity:1;transform:scale(1)}
.content-wall-item img{
  width:100%;height:200px;object-fit:cover;display:block;
  transition:transform .4s ease;
}
.content-wall-item:hover img{transform:scale(1.05)}
.content-wall-body{padding:20px;border-top:var(--border)}
.content-wall-body h3{font-size:1.05rem;font-weight:700;margin-bottom:6px}
.content-wall-body p{font-size:.85rem;color:var(--muted);line-height:1.5}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{
  background:var(--surface);border:var(--border);border-radius:14px;
  margin-bottom:12px;overflow:hidden;cursor:pointer;
  box-shadow:3px 3px 0 rgba(30,30,30,.7);
  transition:all .2s;
}
.faq-item:hover{
  box-shadow:5px 5px 0 rgba(30,30,30,.7);
  transform:translate(-1px,-1px);
}
.faq-item.open{box-shadow:5px 5px 0 var(--primary)}
.faq-item .faq-question{
  padding:18px 22px;font-weight:700;font-size:.95rem;
  display:flex;justify-content:space-between;align-items:center;
  gap:16px;cursor:pointer;
}
.faq-item .faq-question::after{
  content:'+';font-size:1.6rem;font-weight:700;color:var(--primary);
  transition:transform .25s ease;line-height:1;flex-shrink:0;
}
.faq-item.open .faq-question::after{transform:rotate(45deg)}
.faq-item .faq-answer{
  padding:0 22px 20px;display:none;opacity:.68;font-size:.9rem;
  line-height:1.7;border-top:1px dashed rgba(30,30,30,.15);
  padding-top:16px;margin-top:4px;
}
.faq-item.open .faq-answer{
  display:block;animation:fadeIn .3s ease;
}
@keyframes fadeIn{
  from{opacity:0;transform:translateY(-6px)}
  to{opacity:.68;transform:translateY(0)}
}

/* CTA横幅 */
.cta-banner{
  padding:64px 48px;text-align:center;border-radius:24px;
  background:linear-gradient(120deg,var(--primary) 0%,#FF8FA3 60%,var(--accent) 130%);
  border:var(--border);box-shadow:8px 8px 0 rgba(30,30,30,.85);
  position:relative;overflow:hidden;color:#fff;
}
.cta-banner::before{
  content:'';position:absolute;top:-50px;right:-50px;width:160px;height:160px;
  background:repeating-linear-gradient(45deg,rgba(255,255,255,.12) 0px,rgba(255,255,255,.12) 8px,transparent 8px,transparent 16px);
  border-radius:50%;
}
.cta-banner::after{
  content:'';position:absolute;bottom:-30px;left:-30px;width:100px;height:100px;
  background:repeating-linear-gradient(-45deg,rgba(255,255,255,.1) 0px,rgba(255,255,255,.1) 8px,transparent 8px,transparent 16px);
  border-radius:50%;
}
.cta-banner h2{
  color:#fff;font-size:2rem;font-weight:900;margin-bottom:12px;
  position:relative;z-index:1;text-shadow:2px 2px 0 rgba(30,30,30,.2);
}
.cta-banner p{
  color:rgba(255,255,255,.9);max-width:480px;
  margin:0 auto 28px;position:relative;z-index:1;
}
.cta-banner .btn{
  background:#fff;color:var(--ink);border:var(--border);position:relative;z-index:1;
}
.cta-banner .btn:hover{background:var(--accent)}

/* 页脚 */
.site-footer{
  background:var(--secondary);padding:64px 0 28px;color:#fff;
  position:relative;border-top:var(--border);
}
.site-footer .container{position:relative;z-index:1}
.site-footer::before{
  content:'';position:absolute;top:0;left:0;width:100%;height:100%;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:18px 18px;pointer-events:none;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;
}
.footer-brand{padding-right:24px}
.footer-brand .logo{color:#fff;margin-bottom:14px}
.footer-brand .logo-icon{background:#fff;color:var(--secondary)}
.footer-brand p{
  color:rgba(255,255,255,.8);font-size:.9rem;
  line-height:1.7;max-width:280px;
}
.footer-col h4{
  font-size:.85rem;font-weight:800;margin-bottom:18px;color:#fff;
  text-transform:uppercase;letter-spacing:1.5px;
}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{
  color:rgba(255,255,255,.8);text-decoration:none;
  font-size:.9rem;font-weight:500;transition:all .2s;
}
.footer-col ul li a:hover{
  color:var(--accent);padding-left:6px;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.35);
  margin-top:48px;padding-top:24px;text-align:center;
  font-size:.85rem;color:rgba(255,255,255,.7);
}

/* 工具类 */
.text-accent{color:var(--primary);font-weight:800}
.text-center{text-align:center}
.seo-description{
  max-width:600px;margin:0 auto 48px;opacity:.65;
  text-align:center;font-size:.95rem;line-height:1.7;
}
.mt-0{margin-top:0}
.mb-0{margin-bottom:0}

/* ⚠️ 响应式 */
@media(max-width:1024px){
  .hero .container{gap:32px}
  .hero h1{font-size:2.6rem}
  .hero-image{max-width:380px}
}
@media(max-width:768px){
  .feature-block{
    grid-template-columns:1fr;gap:40px;
  }
  .feature-block:nth-child(even) .feature-image,
  .feature-block:nth-child(even) .feature-text{order:0}
  .stats-bar{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .main-nav{
    display:none;position:absolute;top:72px;left:0;width:100%;
    background:var(--bg);flex-direction:column;align-items:stretch;
    padding:24px;gap:8px;border-bottom:var(--border);
    box-shadow:0 16px 32px rgba(30,30,30,.12);
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 8px;border-radius:10px;font-size:1rem}
  .main-nav a::after{display:none}
  .main-nav a:hover{background:var(--primary-soft)}
  .nav-cta{margin-top:8px;text-align:center}
  .menu-toggle{display:flex}
  .hero{
    min-height:auto;padding:120px 0 72px;
  }
  .hero .container{
    flex-direction:column-reverse;gap:48px;
  }
  .hero-image{
    max-width:100%;width:100%;animation:none;
  }
  .hero-content{
    text-align:center;max-width:100%;
  }
  .hero-buttons{justify-content:center}
  .hero p{margin:0 auto 28px;text-align:left}
  .hero h1{font-size:2.2rem}
  .cta-banner{padding:48px 24px}
}
@media(max-width:480px){
  .cards-grid,
  .content-wall,
  .stats-bar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-buttons{flex-direction:column;align-items:stretch}
  .hero-buttons .btn{justify-content:center}
  .hero h1{font-size:1.9rem}
  .hero-eyebrow{font-size:.65rem}
  .section-title{font-size:1.6rem}
}