/* 杏吧原创官网 - 全局样式 */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0a0e1a;
  --bg-card:#12182b;
  --bg-card-hover:#1a2240;
  --text:#e8eaf0;
  --text-muted:#9aa3b8;
  --accent:#ff6b35;
  --accent2:#e040fb;
  --accent3:#7c4dff;
  --gradient:linear-gradient(135deg,#ff6b35,#e040fb,#7c4dff);
  --radius:12px;
  --shadow:0 4px 24px rgba(0,0,0,.4);
  --max-w:1200px;
  --header-h:64px;
}
html{scroll-behavior:smooth;font-size:16px}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.7;
  min-height:100vh;
}
a{color:var(--accent2);text-decoration:none;transition:color .2s}
a:hover{color:var(--accent)}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--max-w);margin:0 auto;padding:0 20px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(10,14,26,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.06);
  height:var(--header-h);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:var(--header-h);
}
.logo-link{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.25rem;color:var(--text)}
.logo-link img{width:36px;height:36px;border-radius:8px}
.logo-link span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.nav-desktop{display:flex;gap:28px;list-style:none}
.nav-desktop a{color:var(--text-muted);font-size:.95rem;font-weight:500}
.nav-desktop a:hover,.nav-desktop a.active{color:var(--text)}
.menu-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer;padding:4px}

/* Hero */
.hero{
  padding:60px 0 40px;
  background:radial-gradient(ellipse at 30% 0%,rgba(124,77,255,.15),transparent 60%),
             radial-gradient(ellipse at 70% 0%,rgba(224,64,251,.1),transparent 50%);
}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.hero h1{font-size:2.2rem;line-height:1.3;margin-bottom:16px}
.hero h1 em{font-style:normal;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{color:var(--text-muted);font-size:1.05rem;margin-bottom:28px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 28px;border-radius:50px;font-weight:600;font-size:.95rem;
  border:none;cursor:pointer;transition:transform .2s,box-shadow .2s;
}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:0 4px 20px rgba(224,64,251,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 28px rgba(224,64,251,.45);color:#fff}
.btn-outline{background:transparent;color:var(--text);border:1px solid rgba(255,255,255,.2)}
.btn-outline:hover{border-color:var(--accent2);color:var(--accent2)}
.hero-phone{text-align:center}
.hero-phone img{max-width:280px;margin:0 auto;border-radius:24px;box-shadow:var(--shadow)}

/* Sections */
.section{padding:56px 0}
.section-alt{background:var(--bg-card)}
.section-header{text-align:center;margin-bottom:40px}
.section-header h2{font-size:1.75rem;margin-bottom:10px}
.section-header p{color:var(--text-muted);max-width:640px;margin:0 auto}
.section-label{
  display:inline-block;font-size:.8rem;font-weight:600;text-transform:uppercase;
  letter-spacing:2px;color:var(--accent);margin-bottom:8px;
}

/* Feature cards */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:var(--bg-card);border-radius:var(--radius);padding:28px;
  border:1px solid rgba(255,255,255,.05);transition:transform .2s,border-color .2s;
}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(224,64,251,.3)}
.feature-icon{font-size:2rem;margin-bottom:14px}
.feature-card h3{font-size:1.1rem;margin-bottom:8px}
.feature-card p{color:var(--text-muted);font-size:.92rem}

/* Category showcase */
.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.category-item{
  position:relative;border-radius:var(--radius);overflow:hidden;
  aspect-ratio:9/16;background:var(--bg-card);
}
.category-item img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.category-item:hover img{transform:scale(1.05)}
.category-item figcaption{
  position:absolute;bottom:0;left:0;right:0;
  padding:12px;background:linear-gradient(transparent,rgba(0,0,0,.85));
  font-size:.85rem;font-weight:600;text-align:center;
}

/* Content blocks */
.content-block{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;margin-bottom:48px}
.content-block.reverse{direction:rtl}
.content-block.reverse>*{direction:ltr}
.content-block img{border-radius:var(--radius);box-shadow:var(--shadow)}
.content-block h3{font-size:1.3rem;margin-bottom:12px}
.content-block p{color:var(--text-muted);margin-bottom:12px;font-size:.95rem}

/* Steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step-card{
  background:var(--bg-card);border-radius:var(--radius);padding:24px;text-align:center;
  border:1px solid rgba(255,255,255,.05);position:relative;
}
.step-card::before{
  counter-increment:step;content:counter(step);
  display:flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:50%;background:var(--gradient);
  font-weight:700;font-size:.9rem;margin:0 auto 14px;
}
.step-card h4{font-size:1rem;margin-bottom:6px}
.step-card p{color:var(--text-muted);font-size:.85rem}

/* FAQ */
.faq-list{max-width:800px;margin:0 auto}
.faq-item{border-bottom:1px solid rgba(255,255,255,.08);padding:20px 0}
.faq-item h4{font-size:1rem;margin-bottom:8px;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.faq-item p{color:var(--text-muted);font-size:.92rem;padding-top:4px}

/* Internal links */
.internal-links{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:32px;
}
.internal-links a{
  padding:8px 18px;border-radius:50px;font-size:.85rem;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
  color:var(--text-muted);
}
.internal-links a:hover{background:rgba(224,64,251,.1);border-color:var(--accent2);color:var(--accent2)}

/* Page content (legal/about) */
.page-hero{padding:48px 0 32px;text-align:center;border-bottom:1px solid rgba(255,255,255,.06)}
.page-hero h1{font-size:2rem;margin-bottom:8px}
.page-hero p{color:var(--text-muted)}
.page-content{max-width:860px;margin:0 auto;padding:40px 20px 60px}
.page-content h2{font-size:1.3rem;margin:32px 0 12px;color:var(--accent2)}
.page-content h3{font-size:1.1rem;margin:24px 0 8px}
.page-content p,.page-content li{color:var(--text-muted);margin-bottom:12px;font-size:.95rem}
.page-content ul,.page-content ol{padding-left:24px;margin-bottom:16px}
.page-content a{color:var(--accent2)}

/* Error pages */
.error-page{
  min-height:80vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px 20px;
}
.error-page h1{font-size:5rem;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.error-page h2{font-size:1.5rem;margin:12px 0}
.error-page p{color:var(--text-muted);margin-bottom:28px}

/* Footer */
.site-footer{
  background:var(--bg-card);border-top:1px solid rgba(255,255,255,.06);
  padding:48px 0 24px;margin-top:40px;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer-brand p{color:var(--text-muted);font-size:.88rem;margin-top:12px;max-width:320px}
.footer-col h4{font-size:.9rem;margin-bottom:14px;color:var(--text)}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{color:var(--text-muted);font-size:.88rem}
.footer-col a:hover{color:var(--accent2)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.06);padding-top:20px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
}
.footer-bottom p{color:var(--text-muted);font-size:.82rem}

/* Mobile nav */
.nav-mobile{
  display:none;position:fixed;top:var(--header-h);left:0;right:0;
  background:rgba(10,14,26,.98);backdrop-filter:blur(12px);
  padding:16px 20px;border-bottom:1px solid rgba(255,255,255,.06);z-index:99;
}
.nav-mobile.open{display:block}
.nav-mobile ul{list-style:none}
.nav-mobile li{border-bottom:1px solid rgba(255,255,255,.06)}
.nav-mobile a{display:block;padding:14px 0;color:var(--text-muted);font-size:1rem}
.nav-mobile a:hover,.nav-mobile a.active{color:var(--text)}

/* Responsive */
@media(max-width:992px){
  .hero-grid,.content-block{grid-template-columns:1fr;gap:28px}
  .content-block.reverse{direction:ltr}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .category-grid{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-desktop{display:none}
  .menu-toggle{display:block}
  .hero{padding:36px 0 24px}
  .hero h1{font-size:1.6rem}
  .hero-phone img{max-width:220px}
  .features-grid,.category-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .section{padding:40px 0}
}
@media(max-width:480px){
  .category-grid{grid-template-columns:1fr 1fr}
  .hero-btns{flex-direction:column}
  .btn{width:100%;justify-content:center}
}