/* ================================================
   jiongci囧次元 — 「越界」次元传送门视觉系统
   Design Language: Dimensional Portal / Warm Editorial
   ================================================ */

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

:root{
  --paper:        #FBF7F2;
  --paper-warm:   #F3EDE3;
  --paper-deep:   #EAE1D3;
  --ink:          #2D2822;
  --coral:        #FF4E2E;
  --coral-dark:   #D93A1D;
  --teal:         #0C6E6B;
  --teal-soft:    rgba(12,110,107,.08);
  --gold:         #F0A93B;
  --gold-soft:    #FDE9C9;
  --muted:        #7E786C;
  --line:         #E5DDD0;
  --spring:       cubic-bezier(.34,1.56,.64,1);
  --smooth:       cubic-bezier(.4,0,.2,1);
}

body{
  font-family: system-ui,'PingFang SC','Microsoft YaHei',sans-serif;
  overflow-x:hidden;
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  position:relative;
}

/* ── 固定水印：囧 ── */
body::after{
  content:'囧';
  position:fixed; top:110px; right:-50px;
  font-size:260px; font-weight:800; line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(240,169,59,.16);
  transform:rotate(12deg);
  z-index:0; pointer-events:none;
}

::selection{ background:var(--coral); color:#fff; }

::-webkit-scrollbar{ width:10px; }
::-webkit-scrollbar-track{ background:var(--paper-warm); }
::-webkit-scrollbar-thumb{
  background:linear-gradient(180deg,var(--coral),var(--gold));
  border-radius:5px;
}

/* ═══ 核心布局 ═══ */
.container{
  max-width:1200px; margin:0 auto; padding:0 24px;
  position:relative; z-index:2;
}

.section{ padding:100px 0; position:relative; }
.section:nth-child(even){ background:var(--paper-warm); }

/* ═══ 导航 ═══ */
.site-header{
  position:fixed; top:0; left:0; width:100%; z-index:1000;
  background:rgba(251,247,242,.92);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(229,221,208,.7);
}

.header-inner{
  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:800; font-size:1.25rem;
  text-decoration:none; color:var(--ink);
  letter-spacing:-.03em;
}

.logo-icon{
  width:38px; height:38px;
  border-radius:14px 8px 14px 8px;
  display:flex; align-items:center; justify-content:center;
  font-size:1.05rem;
  background:linear-gradient(135deg,var(--coral),var(--gold));
  color:#fff;
  box-shadow:0 4px 14px rgba(255,78,46,.28);
  transition:transform .5s var(--spring);
}

.logo:hover .logo-icon{ transform:rotate(90deg) scale(1.08); }

.main-nav{
  display:flex; align-items:center; gap:28px; list-style:none;
}

.main-nav a{
  text-decoration:none; font-size:.9rem; font-weight:500;
  color:var(--ink); position:relative; padding:4px 0;
  transition:color .3s var(--smooth);
}

.main-nav a::after{
  content:''; position:absolute; bottom:-2px; left:0;
  width:0; height:2px;
  background:linear-gradient(90deg,var(--coral),var(--gold));
  transition:width .4s var(--spring); border-radius:2px;
}

.main-nav a:hover{ color:var(--coral); }
.main-nav a:hover::after{ width:100%; }

.nav-cta{
  padding:10px 24px; border-radius:50px;
  color:#fff!important; font-weight:600;
  background:linear-gradient(135deg,var(--coral),var(--gold));
  box-shadow:0 4px 18px rgba(255,78,46,.25);
  transition:all .4s var(--spring)!important;
}

.nav-cta::after{ display:none; }

.nav-cta:hover{
  transform:translateY(-2px) scale(1.03);
  box-shadow:0 8px 30px rgba(255,78,46,.35);
  color:#fff!important;
}

.menu-toggle{
  display:none;
  width:42px; height:42px; border:none;
  background:var(--paper-warm); cursor:pointer;
  flex-direction:column; align-items:center; justify-content:center;
  gap:5px; border-radius:12px; transition:background .3s;
}

.menu-toggle span{
  display:block; width:20px; height:2px;
  background:var(--ink); border-radius:2px;
  transition:all .4s var(--spring);
}

.menu-toggle:hover span:nth-child(1){ transform:translateX(3px); background:var(--coral); }
.menu-toggle:hover span:nth-child(3){ transform:translateX(-3px); background:var(--teal); }

/* ═══ Hero ═══ */
.hero{
  min-height:88vh;
  display:flex; align-items:center;
  position:relative; padding-top:72px;
  overflow:hidden;
  background:
    radial-gradient(ellipse at 85% 25%, rgba(240,169,59,.12) 0%, transparent 50%),
    radial-gradient(ellipse at 10% 85%, rgba(12,110,107,.07) 0%, transparent 50%),
    var(--paper);
}

/* 传送门装饰环 */
.hero::before,
.hero::after{
  content:''; position:absolute; border-radius:50%;
  border:1.5px dashed rgba(255,78,46,.18);
  pointer-events:none;
}

.hero::before{
  width:480px; height:480px; top:-140px; right:-100px;
  animation:portalSpin 50s linear infinite;
}

.hero::after{
  width:320px; height:320px; top:-60px; right:-40px;
  border-color:rgba(12,110,107,.15);
  animation:portalSpin 35s linear infinite reverse;
}

@keyframes portalSpin{
  from{ transform:rotate(0); }
  to{ transform:rotate(360deg); }
}

.hero-content{ max-width:720px; position:relative; z-index:2; }

.hero-eyebrow{
  display:inline-block;
  font-size:.8rem; font-weight:700;
  padding:6px 18px 6px 14px; border-radius:50px;
  margin-bottom:18px;
  background:var(--gold-soft); color:#9A6A12;
  border:1px solid rgba(240,169,59,.3);
  letter-spacing:.06em;
}

.hero-eyebrow::before{
  content:'囧'; margin-right:6px;
  font-weight:800; color:var(--coral);
}

.hero h1{
  font-size:4.8rem; line-height:1.12;
  margin-bottom:22px; font-weight:800;
  letter-spacing:-.04em;
  background:linear-gradient(130deg,#2D2822 25%,var(--coral) 55%,var(--gold) 90%);
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
}

.hero p{
  font-size:1.15rem; color:var(--muted);
  max-width:560px; margin-bottom:36px; line-height:1.7;
}

.hero-buttons{ display:flex; gap:16px; }

.hero-image{
  border-radius:20px; overflow:hidden;
  position:relative;
  box-shadow:0 14px 44px rgba(43,38,32,.1);
  border:1px solid rgba(255,255,255,.7);
}

.hero-image::after{
  content:''; position:absolute; inset:0;
  background:linear-gradient(135deg,rgba(255,78,46,.06),rgba(12,110,107,.06));
  pointer-events:none;
}

.hero-image img{
  width:100%; height:auto; display:block;
}

/* ═══ 按钮 ═══ */
.btn{
  display:inline-flex; align-items:center; gap:10px;
  padding:14px 30px; border-radius:50px;
  font-weight:600; cursor:pointer;
  border:none; text-decoration:none;
  transition:all .45s var(--spring);
  letter-spacing:.02em; font-size:.95rem;
  position:relative; overflow:hidden;
}

.btn-primary{
  color:#fff;
  background:linear-gradient(135deg,var(--coral),var(--coral-dark));
  box-shadow:0 6px 22px rgba(255,78,46,.35);
}

.btn-primary::before{
  content:''; position:absolute; top:0; left:-100%;
  width:100%; height:100%;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,.22),transparent);
  transition:left .6s ease;
}

.btn-primary:hover::before{ left:100%; }

.btn-primary:hover{
  transform:translateY(-3px) scale(1.02);
  box-shadow:0 14px 36px rgba(255,78,46,.45);
}

.btn-outline{
  background:transparent;
  border:2px solid var(--teal);
  color:var(--teal);
}

.btn-outline:hover{
  background:var(--teal); color:#fff;
  transform:translateY(-3px);
  box-shadow:0 10px 24px rgba(12,110,107,.2);
}

/* ═══ 标签 / 标题 ═══ */
.section-label{
  display:inline-block;
  font-size:.8rem; font-weight:700;
  letter-spacing:3px; margin-bottom:14px;
  color:var(--coral); text-transform:uppercase;
  position:relative; padding-left:26px;
}

.section-label::before{
  content:''; position:absolute; left:0; top:50%;
  width:18px; height:2px; background:var(--coral);
  transform:translateY(-50%);
}

.section-label::after{
  content:'囧'; margin-left:6px;
  font-size:.9rem; letter-spacing:0;
  color:var(--gold); font-weight:800;
}

.section-title{
  font-size:2.4rem; margin-bottom:14px;
  font-weight:800; letter-spacing:-.02em;
  line-height:1.2; color:var(--ink);
}

.section-title em{
  font-style:normal; color:var(--coral);
  font-weight:800;
}

.section-desc{
  max-width:600px; color:var(--muted);
  margin-bottom:44px; font-size:1.05rem; line-height:1.7;
}

/* ═══ 卡片网格 ═══ */
.cards-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(260px,1fr));
  gap:28px;
}

.category-card{
  border-radius:20px; padding:32px 28px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.75);
  transition:all .45s var(--spring);
  position:relative; overflow:hidden;
}

/* 传送门角环 */
.category-card::before{
  content:''; position:absolute;
  width:100px; height:100px; border-radius:50%;
  border:1.5px dashed rgba(255,78,46,.16);
  top:-30px; right:-30px;
  transition:all .6s ease;
}

.category-card::after{
  content:''; position:absolute;
  width:6px; height:6px; border-radius:50%;
  background:var(--gold);
  top:14px; right:14px; opacity:0;
  transition:all .4s ease;
}

.category-card:hover{
  transform:translateY(-6px) rotate(-.5deg);
  box-shadow:0 14px 40px rgba(43,38,32,.08),
             0 4px 14px rgba(255,78,46,.06);
  border-color:rgba(255,78,46,.2);
}

.category-card:hover::before{
  transform:scale(1.4) rotate(60deg);
  border-color:rgba(255,78,46,.32);
}

.category-card:hover::after{ opacity:1; transform:scale(1.3); }

.card-icon{
  width:54px; height:54px;
  border-radius:16px 10px 16px 10px;
  display:flex; align-items:center; justify-content:center;
  margin-bottom:18px; font-size:1.4rem;
  background:linear-gradient(135deg,rgba(255,78,46,.08),rgba(12,110,107,.08));
  transition:all .5s var(--spring);
}

.category-card:hover .card-icon{
  transform:scale(1.12) rotate(-8deg);
  background:linear-gradient(135deg,rgba(255,78,46,.16),rgba(12,110,107,.16));
}

.category-card h3{
  font-size:1.1rem; font-weight:700;
  margin-bottom:8px; color:var(--ink);
}

.category-card p{
  font-size:.9rem; color:var(--muted);
  margin-bottom:16px; line-height:1.6;
}

.card-link{
  font-weight:600; font-size:.85rem;
  text-decoration:none; color:var(--coral);
  display:inline-flex; align-items:center; gap:4px;
  transition:gap .3s ease;
}

.card-link::after{ content:'→'; transition:transform .3s ease; }

.category-card:hover .card-link::after{ transform:translateX(4px); }

/* ═══ 特性块 ═══ */
.feature-block{
  display:grid; grid-template-columns:1fr 1fr;
  gap:64px; align-items:center;
}

.feature-image{
  border-radius:20px; overflow:hidden;
  box-shadow:0 12px 40px rgba(43,38,32,.08);
  position:relative;
}

.feature-image::before{
  content:''; position:absolute; inset:0;
  background:linear-gradient(135deg,rgba(255,78,46,.06),rgba(12,110,107,.06));
  z-index:1; pointer-events:none;
}

.feature-image img{
  width:100%; height:auto; display:block;
  transition:transform .7s ease;
}

.feature-image:hover img{ transform:scale(1.04); }

.feature-text{ position:relative; }

.feature-text h3{
  font-size:1.8rem; font-weight:800;
  margin-bottom:12px; letter-spacing:-.02em;
}

.feature-text > p{
  color:var(--muted); margin-bottom:16px; line-height:1.7;
}

.feature-list{ list-style:none; margin-top:8px; }

.feature-list li{
  padding:8px 0;
  display:flex; align-items:center; gap:10px;
  font-weight:400; color:var(--ink);
  border-bottom:1px solid rgba(229,221,208,.5);
}

.feature-list li:last-child{ border-bottom:none; }

.feature-list li::before{
  content:'↗'; font-weight:800; color:var(--teal);
  font-size:1rem;
  display:inline-flex; align-items:center; justify-content:center;
  width:26px; height:26px; border-radius:50%;
  background:var(--teal-soft); flex-shrink:0;
}

/* ═══ 数据条 ═══ */
.stats-bar{
  display:grid; grid-template-columns:repeat(4,1fr);
  gap:24px; text-align:center;
}

.stat-item{
  padding:36px 24px; border-radius:20px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.7);
  transition:all .45s var(--spring);
  position:relative; overflow:hidden;
}

.stat-item::after{
  content:''; position:absolute;
  width:80px; height:80px; border-radius:50%;
  border:1.5px dashed rgba(240,169,59,.35);
  bottom:-30px; left:-20px;
  transition:all .6s ease;
}

.stat-item:hover{
  transform:translateY(-4px) rotate(.5deg);
  box-shadow:0 12px 36px rgba(43,38,32,.06);
}

.stat-item:hover::after{ transform:scale(1.6) rotate(90deg); }

.stat-number{
  font-size:2.6rem; font-weight:800; line-height:1.2;
  background:linear-gradient(135deg,var(--coral),var(--gold));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
  background-clip:text;
  font-feature-settings:'tnum';
}

.stat-label{
  font-size:.9rem; color:var(--muted);
  margin-top:6px; font-weight:500;
}

/* ═══ 内容墙 ═══ */
.content-wall{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  gap:28px;
}

.content-wall-item{
  border-radius:20px; overflow:hidden;
  border:1px solid var(--line);
  background:rgba(255,255,255,.7);
  transition:all .45s var(--spring);
  position:relative;
}

.content-wall-item:hover{
  transform:translateY(-5px) rotate(-.3deg);
  box-shadow:0 14px 40px rgba(43,38,32,.08);
  border-color:rgba(255,78,46,.2);
}

.content-wall-item img{
  width:100%; height:200px; object-fit:cover;
  transition:transform .7s ease;
}

.content-wall-item:hover img{ transform:scale(1.05) rotate(1deg); }

.content-wall-body{ padding:22px 24px 26px; }

.content-wall-body h3{
  font-size:1.05rem; font-weight:700;
  margin-bottom:8px; color:var(--ink);
  transition:color .2s;
}

.content-wall-body p{
  font-size:.88rem; color:var(--muted); line-height:1.6;
}

.content-wall-body .date{
  display:inline-block;
  font-size:.8rem; color:var(--coral);
  font-weight:600; margin-top:10px;
  letter-spacing:.04em;
}

/* ═══ FAQ ═══ */
.faq-list{ max-width:800px; margin:0 auto; }

.faq-item{
  border:1px solid var(--line);
  border-radius:16px; margin-bottom:10px;
  overflow:hidden; cursor:pointer;
  background:rgba(255,255,255,.6);
  transition:all .4s var(--smooth);
}

.faq-item:hover{
  border-color:rgba(255,78,46,.2);
  background:rgba(255,255,255,.92);
}

.faq-item.open{
  border-color:rgba(255,78,46,.35);
  box-shadow:0 4px 24px rgba(255,78,46,.06);
}

.faq-item .faq-question{
  padding:20px 24px; font-weight:600;
  display:flex; justify-content:space-between;
  align-items:center; color:var(--ink); font-size:1rem;
}

.faq-item .faq-question::after{
  content:'+'; font-size:1.5rem; font-weight:300;
  color:var(--coral);
  transition:transform .45s var(--spring);
  flex-shrink:0; margin-left:12px; line-height:1;
}

.faq-item.open .faq-question::after{ transform:rotate(45deg); }

.faq-item .faq-answer{
  padding:0 24px 20px; display:none;
  color:var(--muted); font-size:.95rem; line-height:1.8;
  animation:faqReveal .45s var(--smooth);
}

.faq-item.open .faq-answer{ display:block; }

@keyframes faqReveal{
  from{ opacity:0; transform:translateY(-8px); }
  to{ opacity:1; transform:translateY(0); }
}

/* ═══ CTA 横幅 ═══ */
.cta-banner{
  padding:80px 48px; text-align:center;
  border-radius:28px; color:#fff;
  background:
    radial-gradient(circle at 82% 18%, rgba(255,255,255,.15) 0%, transparent 45%),
    radial-gradient(circle at 14% 88%, rgba(240,169,59,.35) 0%, transparent 45%),
    linear-gradient(135deg,#FF5A3C,#F0762E);
  position:relative; overflow:hidden;
  box-shadow:0 20px 60px rgba(255,78,46,.22);
}

.cta-banner::before{
  content:''; position:absolute;
  width:300px; height:300px; border-radius:50%;
  border:1.5px dashed rgba(255,255,255,.25);
  top:-100px; right:-60px;
  animation:portalSpin 40s linear infinite;
  pointer-events:none;
}

.cta-banner::after{
  content:'囧'; position:absolute;
  bottom:-40px; left:20px;
  font-size:220px; font-weight:800; line-height:1;
  color:rgba(255,255,255,.07);
  pointer-events:none;
}

.cta-banner h2{
  color:#fff; font-size:2.4rem; font-weight:800;
  margin-bottom:14px; letter-spacing:-.02em;
  position:relative; z-index:2;
}

.cta-banner > p{
  color:rgba(255,255,255,.92);
  max-width:480px; margin:0 auto 36px;
  font-size:1.05rem; line-height:1.7;
  position:relative; z-index:2;
}

.cta-banner .btn-primary{
  background:#fff; color:var(--coral-dark);
  box-shadow:0 8px 28px rgba(0,0,0,.12);
  position:relative; z-index:2;
}

.cta-banner .btn-primary:hover{
  transform:translateY(-3px) scale(1.04);
  box-shadow:0 14px 40px rgba(0,0,0,.2);
}

/* ═══ 页脚 ═══ */
.site-footer{
  padding:72px 0 32px;
  background:#EFE9E0;
  border-top:1px solid var(--line);
  color:var(--ink);
  position:relative;
}

.site-footer .container{
  position:relative;
  z-index:2;
}

.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
}

.footer-brand p{
  color:var(--muted); font-size:.9rem;
  line-height:1.7; max-width:280px; margin-top:12px;
}

.footer-col{
  display:flex; flex-direction:column;
}

.footer-col h4{
  font-size:.95rem; font-weight:700;
  margin-bottom:16px; color:var(--ink);
  position:relative; padding-bottom:8px;
}

.footer-col h4::after{
  content:''; position:absolute; left:0; bottom:0;
  width:24px; height:2px;
  background:linear-gradient(90deg,var(--coral),var(--gold));
  border-radius:2px;
}

.footer-col a{
  text-decoration:none; color:var(--muted);
  font-size:.9rem; padding:5px 0;
  transition:color .3s, transform .3s var(--spring);
  display:inline-block; width:fit-content;
}

.footer-col a:hover{
  color:var(--coral); transform:translateX(4px);
}

.footer-bottom{
  border-top:1px solid rgba(229,221,208,.7);
  margin-top:40px; padding-top:20px;
  text-align:center; font-size:.85rem;
  color:var(--muted);
}

.footer-bottom a{ color:var(--coral); text-decoration:none; }

/* ═══ 工具类 ═══ */
.text-accent{ color:var(--coral); font-weight:600; }
.text-center{ text-align:center; }

.seo-description{
  max-width:600px; margin:0 auto 48px;
  color:var(--muted); line-height:1.7;
}

.mt-0{ margin-top:0; }
.mb-0{ margin-bottom:0; }

/* ═══ 响应式 ═══ */
@media (max-width: 768px){
  .feature-block{ grid-template-columns:1fr; gap:40px; }
  .stats-bar{ grid-template-columns:repeat(2,1fr); }
  .footer-grid{ grid-template-columns:1fr 1fr; gap:32px; }
  .main-nav{ display:none; }
  .menu-toggle{ display:flex; }

  .main-nav.open{
    display:flex; flex-direction:column;
    position:absolute; top:72px; left:0; width:100%;
    background:rgba(251,247,242,.98);
    padding:24px; gap:16px;
    border-bottom:1px solid var(--line);
    box-shadow:0 16px 40px rgba(43,38,32,.08);
    backdrop-filter:blur(18px); z-index:999;
  }

  .hero{ min-height:80vh; padding-top:72px; }
  .hero h1{ font-size:3rem; }
  .hero-content{ max-width:100%; }
  .section{ padding:72px 0; }
  .section-title{ font-size:1.8rem; }
  .cta-banner{ padding:56px 28px; }
  .cta-banner h2{ font-size:1.8rem; }
}

@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 h1{ font-size:2.4rem; }
  .hero p{ font-size:1rem; }
  .btn{ justify-content:center; }
  .stat-number{ font-size:2.2rem; }
  .section-title{ font-size:1.6rem; }
  .cta-banner{ padding:44px 20px; }
  .cta-banner h2{ font-size:1.5rem; }
  .footer-grid{ gap:28px; }
  .stats-bar{ gap:16px; }
}