/* ============================================================
   JM天堂下载 · 聚梦天堂 — 设计系统 “Paper Pop Brutal”
   Palette: 米纸底 / 墨紫字 / 薄荷 / 落日橙 / 柠檬黄 / 紫罗兰
   ============================================================ */

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

:root{
  --paper:#FBF6EE;
  --sand:#F3EADB;
  --white:#FFFFFF;
  --ink:#241B2E;
  --ink-soft:rgba(36,27,46,0.62);
  --ink-faint:rgba(36,27,46,0.14);
  --violet:#6C4BF6;
  --mint:#17C3A2;
  --tangerine:#FF7A3D;
  --sun:#FFD84D;
  --radius-s:12px;
  --radius-m:18px;
  --radius-l:26px;
  --pop:5px 5px 0 var(--ink);
  --pop-sm:3px 3px 0 var(--ink);
  --pop-lg:9px 9px 0 var(--ink);
}

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

body{
  font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  overflow-x:hidden;
  background-color:var(--paper);
  background-image:
    radial-gradient(circle at 12% 8%, rgba(108,75,246,0.10), transparent 46%),
    radial-gradient(circle at 88% 4%, rgba(255,122,61,0.12), transparent 42%),
    radial-gradient(rgba(36,27,46,0.09) 1.3px, transparent 1.4px);
  background-size:auto, auto, 26px 26px;
  background-attachment:fixed, fixed, fixed;
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

::selection{ background:var(--sun); color:var(--ink); }

h1,h2,h3,h4{ font-weight:900; letter-spacing:-0.025em; line-height:1.12; }
img{ display:block; max-width:100%; }
a{ color:inherit; }

/* ---------- 核心布局 ---------- */
.container{ max-width:1200px; margin:0 auto; padding:0 24px; }

.section{
  padding:80px 0;
  position:relative;
  scroll-margin-top:90px;
}
.section:nth-child(even){
  background:var(--sand);
  border-top:1px solid var(--ink-faint);
  border-bottom:1px solid var(--ink-faint);
}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  background:rgba(251,246,238,0.92);
  backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%);
  border-bottom:2px solid var(--ink);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height:68px; max-width:1200px; margin:0 auto; padding:0 24px;
}
.logo{
  display:flex; align-items:center; gap:10px;
  font-weight:900; font-size:1.15rem; letter-spacing:-0.02em;
  text-decoration:none; color:var(--ink);
}
.logo-icon{
  width:36px; height:36px; border-radius:11px;
  display:flex; align-items:center; justify-content:center;
  font-size:1rem; color:var(--ink);
  background:linear-gradient(135deg,var(--mint),var(--sun));
  border:2px solid var(--ink);
  box-shadow:var(--pop-sm);
  transition:transform .2s ease;
}
.logo:hover .logo-icon{ transform:rotate(-8deg) scale(1.05); }

.main-nav{ display:flex; align-items:center; gap:26px; list-style:none; }
.main-nav a{
  text-decoration:none; font-size:0.9rem; font-weight:600;
  color:var(--ink); position:relative; padding:4px 0;
  transition:color .2s ease;
}
.main-nav a::after{
  content:''; position:absolute; left:0; bottom:0;
  width:100%; height:3px; border-radius:3px;
  background:var(--mint);
  transform:scaleX(0); transform-origin:left;
  transition:transform .25s cubic-bezier(.2,.8,.2,1);
}
.main-nav a:hover{ color:var(--violet); }
.main-nav a:hover::after{ transform:scaleX(1); background:var(--violet); }

.nav-cta{
  padding:9px 20px; border-radius:999px;
  color:#fff !important; font-weight:800;
  background:var(--violet);
  border:2px solid var(--ink);
  box-shadow:var(--pop-sm);
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease;
}
.nav-cta::after{ display:none; }
.nav-cta:hover{
  background:var(--tangerine);
  transform:translate(2px,2px);
  box-shadow:1px 1px 0 var(--ink);
}

.menu-toggle{
  display:none;
  width:42px; height:42px; border-radius:12px;
  align-items:center; justify-content:center;
  background:var(--sun); border:2px solid var(--ink);
  box-shadow:var(--pop-sm); cursor:pointer; font-size:1.1rem;
}

/* ---------- Hero ---------- */
.hero{
  min-height:70vh;
  display:flex; align-items:center;
  padding:140px 0 84px;
  position:relative; overflow:hidden;
}
.hero::before{
  content:''; position:absolute; z-index:0;
  top:80px; right:-90px; width:340px; height:340px; border-radius:50%;
  background:radial-gradient(circle at 35% 35%, rgba(23,195,162,0.28), rgba(108,75,246,0.10) 60%, transparent 72%);
  filter:blur(6px);
}
.hero::after{
  content:''; position:absolute; z-index:0;
  bottom:-60px; left:-70px; width:260px; height:260px;
  border:2px solid var(--ink-faint);
  border-radius:38% 62% 55% 45% / 45% 40% 60% 55%;
  background:rgba(255,216,77,0.22);
}
.hero .container{ position:relative; z-index:1; }

.hero-content{ max-width:760px; }

.hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:0.82rem; font-weight:800; letter-spacing:0.06em;
  padding:6px 16px; border-radius:999px; margin-bottom:22px;
  color:var(--ink);
  background:var(--mint);
  border:2px solid var(--ink);
  box-shadow:var(--pop-sm);
}

.hero h1{
  font-size:clamp(2.3rem, 5.4vw, 4.1rem);
  line-height:1.06; margin-bottom:22px;
  letter-spacing:-0.04em;
}
.hero h1::after{
  content:''; display:block; width:120px; height:10px;
  margin-top:18px; border-radius:6px;
  background:linear-gradient(90deg,var(--tangerine),var(--sun) 55%,var(--mint));
}
.hero p{
  font-size:1.08rem; color:var(--ink-soft);
  max-width:560px; margin-bottom:34px;
}
.hero-buttons{ display:flex; gap:14px; flex-wrap:wrap; }

.hero-image{
  border-radius:var(--radius-l); overflow:hidden;
  border:2px solid var(--ink);
  box-shadow:var(--pop-lg);
  background:var(--white);
}
.hero-image img{ width:100%; height:auto; }

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:13px 28px; border-radius:999px;
  font-weight:800; font-size:0.95rem;
  cursor:pointer; border:2px solid var(--ink);
  text-decoration:none;
  transition:transform .18s cubic-bezier(.2,.8,.2,1), box-shadow .18s ease, background .2s ease, color .2s ease;
  box-shadow:4px 4px 0 var(--ink);
}
.btn:hover{ transform:translate(3px,3px); box-shadow:1px 1px 0 var(--ink); }
.btn:active{ transform:translate(4px,4px); box-shadow:0 0 0 var(--ink); }

.btn-primary{ background:var(--violet); color:#fff; }
.btn-primary:hover{ background:var(--tangerine); }

.btn-outline{ background:var(--white); color:var(--ink); border:2px solid var(--ink); }
.btn-outline:hover{ background:var(--sun); }

/* ---------- 标题 / 标签 ---------- */
.section-label{
  display:inline-block;
  font-size:0.72rem; font-weight:900;
  letter-spacing:0.18em; text-transform:uppercase;
  padding:5px 14px; border-radius:999px; margin-bottom:16px;
  color:var(--ink); background:var(--sun);
  border:2px solid var(--ink); box-shadow:var(--pop-sm);
}
.section-title{
  font-size:clamp(1.6rem, 3vw, 2.35rem);
  margin-bottom:14px; letter-spacing:-0.03em;
}
.section-desc{
  max-width:600px; color:var(--ink-soft);
  margin-bottom:40px; font-size:1.02rem;
}

/* ---------- 卡片网格 ---------- */
.cards-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:24px;
}
.category-card{
  border-radius:var(--radius-m);
  padding:28px;
  background:var(--white);
  border:2px solid var(--ink);
  box-shadow:5px 5px 0 rgba(36,27,46,0.9);
  transition:transform .22s cubic-bezier(.2,.8,.2,1), box-shadow .22s ease;
}
.category-card:hover{
  transform:translate(-4px,-4px);
  box-shadow:9px 9px 0 var(--mint);
}
.category-card h3{ font-size:1.12rem; margin-bottom:8px; }
.category-card p{ font-size:0.92rem; color:var(--ink-soft); margin-bottom:16px; }

.card-icon{
  width:48px; height:48px; border-radius:14px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:16px; font-size:1.3rem;
  border:2px solid var(--ink); box-shadow:var(--pop-sm);
  background:var(--sun);
}
.category-card:nth-child(4n+1) .card-icon{ background:var(--mint); }
.category-card:nth-child(4n+2) .card-icon{ background:var(--sun); }
.category-card:nth-child(4n+3) .card-icon{ background:var(--tangerine); }
.category-card:nth-child(4n+4) .card-icon{ background:var(--violet); color:#fff; }

.card-link{
  font-weight:800; font-size:0.85rem;
  text-decoration:none; color:var(--violet);
  border-bottom:2px solid var(--violet);
  padding-bottom:2px;
  transition:color .2s ease, border-color .2s ease;
}
.card-link:hover{ color:var(--tangerine); border-color:var(--tangerine); }

/* ---------- 特性块 ---------- */
.feature-block{
  display:grid; grid-template-columns:1fr 1fr;
  gap:56px; align-items:center;
}
.feature-image{
  border-radius:var(--radius-l); overflow:hidden;
  border:2px solid var(--ink);
  box-shadow:8px 8px 0 var(--mint);
  background:var(--white);
}
.feature-image img{ width:100%; height:auto; }

.feature-text h2{ font-size:clamp(1.5rem,2.6vw,2.1rem); margin-bottom:14px; }
.feature-text p{ color:var(--ink-soft); margin-bottom:20px; }

.feature-list{ list-style:none; }
.feature-list li{
  padding:9px 0; display:flex; align-items:center; gap:12px;
  font-weight:600; font-size:0.96rem;
}
.feature-list li::before{
  content:'✓';
  flex:0 0 auto;
  width:24px; height:24px; border-radius:50%;
  display:inline-flex; align-items:center; justify-content:center;
  font-weight:800; font-size:0.72rem;
  color:#fff; background:var(--violet);
  border:2px solid var(--ink);
}

/* ---------- 数据条 ---------- */
.stats-bar{
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:24px; text-align:center;
}
.stat-item{
  padding:26px 18px; border-radius:var(--radius-m);
  background:var(--white);
  border:2px solid var(--ink);
  box-shadow:5px 5px 0 var(--sun);
  transition:transform .22s cubic-bezier(.2,.8,.2,1), box-shadow .22s ease;
}
.stat-item:hover{ transform:translate(-4px,-4px); box-shadow:9px 9px 0 var(--tangerine); }
.stat-item:nth-child(even){ box-shadow:5px 5px 0 var(--mint); }
.stat-item:nth-child(even):hover{ box-shadow:9px 9px 0 var(--violet); }

.stat-number{
  font-size:clamp(1.9rem,3.2vw,2.5rem);
  font-weight:900; letter-spacing:-0.04em;
  color:var(--violet); line-height:1;
}
.stat-label{
  font-size:0.78rem; font-weight:700;
  letter-spacing:0.1em; text-transform:uppercase;
  color:var(--ink-soft); margin-top:10px;
}

/* ---------- 内容墙 ---------- */
.content-wall{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:24px;
}
.content-wall-item{
  border-radius:var(--radius-m); overflow:hidden;
  background:var(--white);
  border:2px solid var(--ink);
  box-shadow:5px 5px 0 rgba(36,27,46,0.9);
  transition:transform .22s cubic-bezier(.2,.8,.2,1), box-shadow .22s ease;
}
.content-wall-item:hover{
  transform:translate(-4px,-4px);
  box-shadow:9px 9px 0 var(--violet);
}
.content-wall-item img{
  width:100%; height:200px; object-fit:cover;
  border-bottom:2px solid var(--ink);
}
.content-wall-body{ padding:20px; }
.content-wall-body h3{ font-size:1.02rem; margin-bottom:8px; }
.content-wall-body p{ font-size:0.9rem; color:var(--ink-soft); }

/* ---------- FAQ ---------- */
.faq-list{ max-width:800px; margin:0 auto; }
.faq-item{
  background:var(--white);
  border:2px solid var(--ink);
  border-radius:14px;
  margin-bottom:12px;
  overflow:hidden; cursor:pointer;
  box-shadow:4px 4px 0 rgba(36,27,46,0.14);
  transition:box-shadow .2s ease, background .2s ease, transform .2s ease;
}
.faq-item:hover{ transform:translate(-2px,-2px); box-shadow:6px 6px 0 var(--mint); }
.faq-item .faq-question{
  padding:17px 22px; font-weight:800; font-size:0.98rem;
  display:flex; justify-content:space-between; align-items:center; gap:14px;
}
.faq-item .faq-answer{
  padding:0 22px 18px;
  display:none; color:var(--ink-soft); font-size:0.94rem;
}
.faq-item.open{
  background:#FFF9E6;
  box-shadow:4px 4px 0 var(--sun);
}
.faq-item.open .faq-answer{ display:block; }

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  padding:60px 28px;
  text-align:center;
  border-radius:var(--radius-l);
  color:var(--ink);
  background:linear-gradient(120deg,#FFE9A8 0%, #A9F1DD 48%, #D9D6FF 100%);
  border:2px solid var(--ink);
  box-shadow:9px 9px 0 var(--ink);
  position:relative; overflow:hidden;
}
.cta-banner::before{
  content:''; position:absolute; inset:0;
  background-image:radial-gradient(rgba(36,27,46,0.12) 1.3px, transparent 1.4px);
  background-size:22px 22px;
  opacity:0.6; pointer-events:none;
}
.cta-banner > *{ position:relative; z-index:1; }
.cta-banner h2{
  color:var(--ink);
  font-size:clamp(1.5rem,3vw,2.25rem);
  margin-bottom:12px;
}
.cta-banner p{ color:rgba(36,27,46,0.7); max-width:560px; margin:0 auto 26px; }
.cta-banner .btn-primary{ background:var(--violet); color:#fff; }
.cta-banner .btn-primary:hover{ background:var(--ink); color:#fff; }

/* ---------- 页脚 ---------- */
.site-footer{
  padding:56px 0 28px;
  background:var(--sand);
  border-top:2px solid var(--ink);
}
.footer-grid{
  display:grid; grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand .logo{ margin-bottom:16px; }
.footer-brand p{ color:var(--ink-soft); font-size:0.92rem; max-width:320px; }

.footer-col h4{
  font-size:0.8rem; font-weight:900;
  letter-spacing:0.14em; text-transform:uppercase;
  margin-bottom:16px; color:var(--ink);
}
.footer-col ul{ list-style:none; }
.footer-col li{ margin-bottom:10px; }
.footer-col a{
  text-decoration:none; font-size:0.9rem;
  color:var(--ink-soft);
  transition:color .2s ease, padding-left .2s ease;
}
.footer-col a:hover{ color:var(--violet); padding-left:4px; }

.footer-bottom{
  border-top:2px solid var(--ink-faint);
  margin-top:44px; padding-top:20px;
  text-align:center; font-size:0.85rem;
  color:var(--ink-soft);
}

/* ---------- 工具类 ---------- */
.text-accent{ color:var(--violet); }
.text-center{ text-align:center; }
.seo-description{
  max-width:600px; margin:0 auto 48px;
  color:var(--ink-soft); text-align:center;
}
.mt-0{ margin-top:0; }
.mb-0{ margin-bottom:0; }

.text-center .section-desc,
.text-center .seo-description{ margin-left:auto; margin-right:auto; }

/* ---------- 响应式 ---------- */
@media (max-width: 992px){
  .stats-bar{ grid-template-columns:repeat(2,1fr); }
  .footer-grid{ grid-template-columns:1fr 1fr; }
  .feature-block{ gap:36px; }
}

@media (max-width: 768px){
  .feature-block{ grid-template-columns:1fr; }
  .stats-bar{ grid-template-columns:repeat(2,1fr); }
  .footer-grid{ grid-template-columns:1fr 1fr; }

  .main-nav{ display:none; }
  .menu-toggle{ display:flex; }

  .main-nav.open{
    display:flex; flex-direction:column;
    position:absolute; top:68px; left:0; width:100%;
    background:var(--paper);
    padding:22px; gap:18px; align-items:flex-start;
    border-bottom:2px solid var(--ink);
    box-shadow:0 12px 0 rgba(36,27,46,0.08);
  }
  .main-nav.open a{ font-size:1rem; }
  .main-nav.open .nav-cta{ align-self:flex-start; }

  .section{ padding:64px 0; }
  .hero{ padding:120px 0 64px; min-height:auto; }
  .hero h1::after{ width:90px; height:8px; }
  .cta-banner{ padding:44px 22px; box-shadow:6px 6px 0 var(--ink); }
}

@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; }
  .container{ padding:0 18px; }
  .header-inner{ padding:0 18px; }
  .section{ padding:56px 0; }
  .card-icon{ width:44px; height:44px; }
  .btn{ padding:12px 22px; }
}

@media (prefers-reduced-motion: reduce){
  *{ transition:none !important; animation:none !important; }
  html{ scroll-behavior:auto; }
}