/* ============================================
   Law Firm Static Site Template
   - Pure HTML/CSS/JS
   - Replace placeholder content & images
   ============================================ */

:root{
  --bg:#0B1F3A;
  --bg2:#0A1730;
  --text:#0F172A;
  --muted:#475569;
  --muted2:#94A3B8;
  --card:#FFFFFF;
  --line:#E2E8F0;
  --accent:#1D4ED8;
  --accent2:#60A5FA;
  --shadow:0 10px 30px rgba(2,6,23,.08);
  --radius:16px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB",
               "Microsoft YaHei", "Segoe UI", Roboto, Arial, sans-serif;
  color:var(--text);
  background:#F8FAFC;
  line-height:1.6;
}

a{color:inherit; text-decoration:none}
img{max-width:100%; display:block}
.container{width:min(1120px, 92%); margin:0 auto}
.muted{color:var(--muted)}
.small{font-size:.92rem}
.kicker{letter-spacing:.12em; text-transform:uppercase; font-weight:700; color:var(--accent); font-size:.82rem}
.h2{font-size:1.8rem; margin:0.2rem 0 0.8rem}
.section{padding:56px 0}
.section.alt{background:#fff}
.section.dark{background:linear-gradient(180deg, var(--bg), var(--bg2)); color:#E2E8F0}
.grid{display:grid; gap:18px}
.grid-2{grid-template-columns:repeat(2, minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3, minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4, minmax(0,1fr))}
@media (max-width: 920px){
  .grid-4{grid-template-columns:repeat(2, minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2, minmax(0,1fr))}
}
@media (max-width: 640px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .section{padding:44px 0}
}

/* Header */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(248,250,252,.82);
  backdrop-filter: blur(10px);
  border-bottom:1px solid rgba(226,232,240,.8);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; gap:12px; padding:10px 0}
.brand{display:flex; align-items:center; gap:10px; min-width: 260px}
.brand-logo{width:46px; height:46px}
.brand-text{display:flex; flex-direction:column; line-height:1.15}
.brand-name{font-weight:800; font-size:1.05rem}
.brand-tag{font-size:.78rem; color:var(--muted)}
.site-nav{display:flex; align-items:center; gap:14px}
.nav-link{padding:10px 10px; border-radius:10px; color:#0F172A}
.nav-link:hover{background:#EFF6FF}
.nav-cta{
  margin-left:4px;
  background:var(--accent); color:#fff;
  padding:10px 14px; border-radius:12px;
  font-weight:700;
}
.nav-cta:hover{opacity:.92}

.nav-dropdown{position:relative}
.dropdown-menu{
  position:absolute; top:44px; left:0;
  min-width: 160px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow: var(--shadow);
  padding:8px;
  display:none;
}
.dropdown-menu a{
  display:block;
  padding:10px 10px;
  border-radius:10px;
  color:#0F172A;
}
.dropdown-menu a:hover{background:#F1F5F9}
.nav-link-btn{border:0; background:transparent; cursor:pointer; font:inherit}

.nav-toggle{
  display:none;
  width:44px; height:40px;
  border:1px solid var(--line);
  background:#fff;
  border-radius:12px;
  padding:10px;
  cursor:pointer;
}
.nav-toggle span{display:block; height:2px; background:#0F172A; margin:5px 0; border-radius:2px}

@media (max-width: 980px){
  .nav-toggle{display:block}
  .site-nav{
    position:fixed;
    top:64px; right:16px; left:16px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow: var(--shadow);
    padding:10px;
    display:none;
    flex-direction:column;
    align-items:stretch;
  }
  .site-nav .nav-link, .site-nav .nav-cta, .site-nav .nav-link-btn {text-align:left}
  .dropdown-menu{position:static; display:block; border:0; box-shadow:none; padding:0; margin-left:8px}
  .dropdown-menu a{padding:10px 10px}
}

/* Hero */
.hero{
  background:linear-gradient(180deg, var(--bg), var(--bg2));
  color:#E2E8F0;
  padding:58px 0 44px;
}
.hero-inner{display:grid; gap:22px; grid-template-columns:1.1fr .9fr; align-items:center}
.hero h1{font-size:2.4rem; margin:0 0 8px; line-height:1.15}
.hero p{margin:0 0 12px; color:#CBD5E1}
.hero-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(148,163,184,.22);
  border-radius:var(--radius);
  padding:16px;
}
.hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:14px}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding:12px 14px; border-radius:14px;
  font-weight:800;
  border:1px solid rgba(226,232,240,.2);
}
.btn.primary{background:var(--accent); border-color:transparent; color:#fff}
.btn.ghost{background:transparent; color:#E2E8F0}
.btn:hover{opacity:.93}
.hero-media{
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid rgba(148,163,184,.18);
  box-shadow: 0 20px 60px rgba(2,6,23,.25);
}
@media (max-width: 920px){
  .hero-inner{grid-template-columns:1fr}
  .hero h1{font-size:2rem}
}

/* Cards */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow: 0 6px 22px rgba(2,6,23,.05);
  overflow:hidden;
}
.card-body{padding:16px}
.card-title{font-weight:800; margin:0 0 6px}
.card-desc{margin:0; color:var(--muted)}
.card-icon{width:42px; height:42px}

/* Feature rows */
.feature{
  display:flex; gap:12px;
  padding:14px;
  border:1px solid var(--line);
  border-radius:16px;
  background:#fff;
}
.feature .title{font-weight:800; margin:0}
.feature .desc{margin:4px 0 0; color:var(--muted)}
.feature .icon{width:44px; height:44px; flex:0 0 auto}

/* Comparison */
.compare{
  display:grid; gap:16px;
  grid-template-columns: 1fr 72px 1fr;
  align-items:stretch;
}
.vs{display:flex; align-items:center; justify-content:center; font-weight:900; color:var(--accent)}
@media (max-width: 820px){
  .compare{grid-template-columns: 1fr}
  .vs{display:none}
}

/* Timeline */
.steps{counter-reset: step}
.step{
  background:#fff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:14px;
  position:relative;
}
.step:before{
  counter-increment: step;
  content: counter(step);
  position:absolute; top:12px; right:12px;
  width:32px; height:32px;
  border-radius:12px;
  background:#EFF6FF;
  color:var(--accent);
  display:flex; align-items:center; justify-content:center;
  font-weight:900;
}
.step h3{margin:0 0 6px; font-size:1.05rem}
.step p{margin:0; color:var(--muted)}

/* FAQ accordion */
.accordion{border:1px solid var(--line); border-radius:18px; overflow:hidden; background:#fff}
.acc-item + .acc-item{border-top:1px solid var(--line)}
.acc-btn{
  width:100%;
  text-align:left;
  padding:14px 14px;
  background:#fff;
  border:0;
  cursor:pointer;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
}
.acc-btn:hover{background:#F8FAFC}
.acc-panel{padding:0 14px 14px; display:none; color:var(--muted)}
.acc-panel p{margin:0}

/* Footer */
.site-footer{
  background:#0B1220;
  color:#CBD5E1;
  padding:46px 0 24px;
}
.footer-grid{display:grid; gap:18px; grid-template-columns: 1.4fr .8fr .8fr}
.footer-brand{font-weight:900; font-size:1.15rem; margin-bottom:6px}
.footer-title{font-weight:900; margin:0 0 10px}
.footer-links{list-style:none; padding:0; margin:0}
.footer-links li{margin:8px 0}
.footer-links a{color:#CBD5E1}
.footer-links a:hover{color:#fff}
.footer-meta{margin-top:12px; color:#94A3B8; font-size:.95rem}
.footer-bottom{display:flex; justify-content:space-between; align-items:center; gap:12px; border-top:1px solid rgba(148,163,184,.15); padding-top:16px; margin-top:18px; color:#94A3B8; font-size:.9rem}
.to-top{color:#CBD5E1}
.badge-list{display:flex; flex-wrap:wrap; gap:8px; margin-top:10px}
.badge{border:1px solid rgba(148,163,184,.2); padding:6px 10px; border-radius:999px; font-size:.85rem; color:#CBD5E1}

@media (max-width: 920px){
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column; align-items:flex-start}
}

/* Floating bar */
.floating-bar{
  position:fixed;
  right:14px;
  bottom:14px;
  display:flex;
  flex-direction:column;
  gap:10px;
  z-index:60;
}
.float-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow: var(--shadow);
  padding:10px 12px;
  display:flex;
  align-items:center;
  gap:10px;
}
.float-icon{
  width:34px; height:34px;
  display:flex; align-items:center; justify-content:center;
  border-radius:12px;
  background:#EFF6FF; color:var(--accent);
  font-weight:900;
}
.float-text{font-weight:900; color:#0F172A}
.float-item:hover{transform: translateY(-1px)}

/* Page header */
.page-hero{
  padding:44px 0;
  background:linear-gradient(180deg, #0B1F3A, #0A1730);
  color:#E2E8F0;
}
.breadcrumb{color:#94A3B8; font-size:.92rem}
.page-title{margin:8px 0 0; font-size:2rem; line-height:1.2}
.page-sub{margin:10px 0 0; color:#CBD5E1; max-width: 72ch}

/* Forms */
.form{
  display:grid;
  gap:10px;
}
.input, textarea{
  width:100%;
  padding:12px 12px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  font:inherit;
}
textarea{min-height: 120px; resize:vertical}
.form .hint{font-size:.9rem; color:var(--muted)}


/* ============================================
   Home Banner Carousel (minimal)
   ============================================ */
.carousel {
  position: relative;
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid rgba(226,232,240,0.12);
}
.carousel-slide { display: none; width: 100%; height: auto; }
.carousel-slide.is-active { display: block; }

.carousel-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid rgba(226,232,240,0.25);
  background: rgba(11,31,58,0.45);
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
}
.carousel-arrow:hover { opacity: 0.92; }
.carousel-arrow.prev { left: 10px; }
.carousel-arrow.next { right: 10px; }

.carousel-dots {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 10px;
  display: flex;
  justify-content: center;
  gap: 8px;
}
.carousel-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 1px solid rgba(226,232,240,0.55);
  background: rgba(255,255,255,0.22);
  cursor: pointer;
  padding: 0;
}
.carousel-dots .dot.is-active { background: #fff; }

/* 地图图片容器 */
.map-box{
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
}

.map-box img{
  width: 100%;
  height: auto;
  display: block;
}

/* 页脚公众号二维码 */
.footer-qr{
  margin-top: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-qr-img{
  width: 92px;
  height: 92px;
  border-radius: 12px;
  border: 1px solid rgba(148,163,184,.20);
  background: rgba(255,255,255,.06);
  object-fit: cover;
}

.footer-qr-text{
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-qr-title{
  font-weight: 900;
  color: #E2E8F0;
}

.footer-qr-desc{
  color: #94A3B8;
  font-size: .92rem;
  line-height: 1.4;
}