/* 李先民律师刑事辩护网 - 外部样式表 - 蓝白明亮配色 */
:root {
  --navy-deep: #1a3a6e;
  --navy: #2155b5;
  --navy-light: #3b82f6;
  --gold: #2563eb;
  --gold-light: #60a5fa;
  --gold-dark: #1d4ed8;
  --ivory: #eff6ff;
  --white: #ffffff;
  --gray-dark: #1e3a5f;
  --gray-mid: #6b7280;
  --gray-light: #dbeafe;
  --gray-bg: #f0f7ff;
  --accent: #1d4ed8;
  --accent-light: #2563eb;
  --font-display: "Noto Serif SC", Georgia, serif;
  --font-heading: "Noto Serif SC", serif;
  --font-body: "Noto Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  --shadow-sm: 0 1px 3px rgba(26,58,110,0.06);
  --shadow-md: 0 4px 20px rgba(26,58,110,0.1);
  --shadow-lg: 0 10px 40px rgba(26,58,110,0.12);
  --shadow-gold: 0 8px 30px rgba(37,99,235,0.18);
  --radius-sm: 4px;
  --radius: 8px;
  --radius-lg: 16px;
  --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-body); color: var(--gray-dark); background: var(--white); line-height: 1.7; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }

.container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }

.section-label { display: inline-flex; align-items: center; gap: 12px; font-size: 13px; font-weight: 500; letter-spacing: 3px; text-transform: uppercase; color: var(--gold); margin-bottom: 16px; }
.section-label::before { content: ""; width: 40px; height: 2px; background: var(--gold); }
.section-title { font-family: var(--font-display); font-size: clamp(28px, 4vw, 42px); font-weight: 700; color: var(--navy-deep); line-height: 1.25; margin-bottom: 16px; }
.section-subtitle { font-size: 16px; color: var(--gray-mid); max-width: 600px; line-height: 1.6; }
.text-gold { color: var(--gold); }

.btn { display: inline-flex; align-items: center; gap: 8px; padding: 14px 36px; border-radius: var(--radius); font-family: var(--font-body); font-size: 15px; font-weight: 500; cursor: pointer; transition: var(--transition); border: none; letter-spacing: 0.5px; }
.btn-primary { background: linear-gradient(135deg, var(--gold-dark), var(--gold)); color: var(--white); box-shadow: 0 4px 15px rgba(37,99,235,0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(37,99,235,0.4); }
.btn-outline { border: 1.5px solid var(--gold); color: var(--gold); background: transparent; }
.btn-outline:hover { background: var(--gold); color: var(--white); }

/* Header */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,0.97); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-bottom: 1px solid rgba(219,234,254,0.8); box-shadow: 0 2px 20px rgba(26,58,110,0.06); transition: var(--transition); }
.header.scrolled { background: rgba(255,255,255,0.98); box-shadow: 0 4px 30px rgba(26,58,110,0.1); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.logo-icon { width: 44px; height: 44px; background: linear-gradient(135deg, var(--gold-dark), var(--gold)); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-family: var(--font-display); font-size: 20px; font-weight: 700; color: var(--white); flex-shrink: 0; }
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name { font-family: var(--font-heading); font-size: 18px; font-weight: 700; color: var(--navy-deep); letter-spacing: 1px; }
.logo-sub { font-size: 11px; color: var(--gold); letter-spacing: 2px; text-transform: uppercase; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { position: relative; padding: 8px 18px; font-size: 14px; font-weight: 400; color: var(--gray-mid); letter-spacing: 0.5px; border-radius: var(--radius-sm); }
.nav a:hover, .nav a.active { color: var(--gold); background: rgba(37,99,235,0.06); }
.nav a::after { content: ""; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 0; height: 2px; background: var(--gold); transition: width var(--transition); }
.nav a:hover::after, .nav a.active::after { width: 60%; }
.header-phone { display: flex; align-items: center; gap: 8px; color: var(--gold); font-size: 15px; font-weight: 600; letter-spacing: 0.5px; flex-shrink: 0; }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; background: none; border: none; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--navy-deep); border-radius: 2px; transition: var(--transition); }

/* Hero */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 40%, #bfdbfe 100%); overflow: hidden; padding-top: 72px; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 80% 30%, rgba(96,165,250,0.15) 0%, transparent 50%), radial-gradient(ellipse at 20% 70%, rgba(37,99,235,0.06) 0%, transparent 50%); }
.hero-content { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.hero-text { max-width: 600px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(37,99,235,0.08); border: 1px solid rgba(37,99,235,0.2); padding: 8px 20px; border-radius: 50px; font-size: 13px; color: var(--gold); letter-spacing: 2px; margin-bottom: 32px; }
.badge-dot { width: 8px; height: 8px; background: var(--gold); border-radius: 50%; }
.hero h1 { font-family: var(--font-display); font-size: clamp(36px, 5vw, 58px); font-weight: 900; color: var(--navy-deep); line-height: 1.15; margin-bottom: 24px; }
.highlight-gold { color: var(--gold); position: relative; display: inline-block; }
.highlight-gold::after { content: ""; position: absolute; bottom: 4px; left: 0; right: 0; height: 3px; background: var(--gold); opacity: 0.25; border-radius: 2px; }
.hero p { font-size: 17px; color: #4b5563; line-height: 1.8; margin-bottom: 40px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-visual { }
.hero-card { background: linear-gradient(145deg, var(--white), #f0f7ff); border: 1px solid rgba(37,99,235,0.12); border-radius: var(--radius-lg); padding: 48px 40px; position: relative; overflow: hidden; box-shadow: 0 8px 40px rgba(26,58,110,0.08); }
.hero-card::before { content: ""; position: absolute; top: -50%; right: -50%; width: 200px; height: 200px; background: radial-gradient(circle, rgba(37,99,235,0.06), transparent 70%); }
.hero-card-firm { font-family: var(--font-heading); font-size: 14px; color: var(--gold); text-align: center; margin-bottom: 8px; letter-spacing: 1px; }
.hero-card-name { font-family: var(--font-display); font-size: 28px; font-weight: 700; color: var(--navy-deep); text-align: center; margin-bottom: 20px; }
.hero-card-role { display: block; font-size: 14px; font-weight: 400; color: var(--gold); letter-spacing: 2px; margin-top: 4px; }
.hero-features { display: flex; flex-direction: column; gap: 12px; }
.hero-feature { display: flex; align-items: center; gap: 12px; padding: 12px 16px; background: rgba(37,99,235,0.04); border-radius: var(--radius-sm); border-left: 2px solid var(--gold); font-size: 14px; color: var(--gray-dark); }
.hero-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 32px; }
.hero-stat { text-align: center; padding: 20px; background: rgba(37,99,235,0.04); border-radius: var(--radius); border: 1px solid rgba(37,99,235,0.08); transition: var(--transition); }
.hero-stat:hover { background: rgba(37,99,235,0.08); border-color: rgba(37,99,235,0.2); }
.hero-stat-num { font-family: var(--font-display); font-size: 36px; font-weight: 700; color: var(--gold); line-height: 1; }
.hero-stat-num small { font-size: 22px; }
.hero-stat-lbl { font-size: 12px; color: var(--gray-mid); margin-top: 8px; letter-spacing: 1px; }

/* About */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-visual { position: relative; }
.about-img { width: 100%; height: 500px; background: linear-gradient(135deg, var(--navy-deep), var(--navy-light)); border-radius: var(--radius-lg); position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; }
.about-img-text { font-family: var(--font-display); font-size: 120px; font-weight: 900; color: rgba(255,255,255,0.1); position: absolute; }
.about-experience { position: absolute; bottom: -24px; right: -24px; background: var(--gold); color: var(--white); padding: 24px 32px; border-radius: var(--radius); box-shadow: var(--shadow-gold); }
.about-experience-num { font-family: var(--font-display); font-size: 36px; font-weight: 700; line-height: 1; }
.about-experience-lbl { font-size: 13px; margin-top: 4px; }
.about-text h3 { font-family: var(--font-heading); font-size: 24px; font-weight: 600; color: var(--navy-deep); margin-bottom: 20px; }
.about-text p { font-size: 15px; color: var(--gray-mid); line-height: 1.8; margin-bottom: 16px; }
.about-credentials { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.credential { display: flex; align-items: flex-start; gap: 12px; padding: 16px; background: rgba(37,99,235,0.04); border-radius: var(--radius); border: 1px solid rgba(37,99,235,0.08); }
.credential-icon { width: 40px; height: 40px; background: var(--gold); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 18px; flex-shrink: 0; }
.credential-text h4 { font-size: 14px; font-weight: 600; color: var(--navy-deep); margin-bottom: 2px; }
.credential-text p { font-size: 12px; color: var(--gray-mid); margin: 0; }

/* Stats */
.stats { background: linear-gradient(135deg, var(--navy-deep), var(--navy)); padding: 80px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { text-align: center; padding: 40px 20px; }
.stat-num { font-family: var(--font-display); font-size: clamp(36px, 5vw, 48px); font-weight: 900; color: var(--gold-light); line-height: 1; margin-bottom: 12px; }
.stat-lbl { font-size: 14px; color: rgba(255,255,255,0.6); letter-spacing: 1px; }

/* Why Choose */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 48px; }
.why-item { padding: 40px 32px; background: var(--white); border-radius: var(--radius-lg); border: 1px solid var(--gray-light); transition: var(--transition); text-align: center; }
.why-item:hover { border-color: var(--gold); box-shadow: var(--shadow-md); }
.why-num { font-family: var(--font-display); font-size: 48px; font-weight: 900; color: rgba(37,99,235,0.08); line-height: 1; margin-bottom: 16px; }
.why-item h3 { font-family: var(--font-heading); font-size: 20px; font-weight: 600; color: var(--navy-deep); margin-bottom: 12px; }
.why-item p { font-size: 14px; color: var(--gray-mid); line-height: 1.7; }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; margin-top: 48px; }
.contact-info h3 { font-family: var(--font-heading); font-size: 24px; font-weight: 600; color: var(--navy-deep); margin-bottom: 24px; }
.contact-info p { font-size: 15px; color: var(--gray-mid); line-height: 1.8; margin-bottom: 32px; }
.contact-details { display: flex; flex-direction: column; gap: 20px; }
.contact-detail { display: flex; align-items: flex-start; gap: 16px; }
.contact-icon { width: 48px; height: 48px; background: linear-gradient(135deg, var(--gold-dark), var(--gold)); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; color: var(--white); font-size: 20px; flex-shrink: 0; }
.contact-detail-text h4 { font-size: 15px; font-weight: 600; color: var(--navy-deep); margin-bottom: 4px; }
.contact-detail-text p { font-size: 14px; color: var(--gray-mid); margin: 0; line-height: 1.6; }
.contact-form { background: var(--white); padding: 48px; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); border: 1px solid var(--gray-light); }
.contact-form h3 { font-family: var(--font-heading); font-size: 24px; font-weight: 600; color: var(--navy-deep); margin-bottom: 8px; }
.contact-form p { font-size: 14px; color: var(--gray-mid); margin-bottom: 32px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; color: var(--navy-deep); margin-bottom: 8px; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 12px 16px; border: 1px solid var(--gray-light); border-radius: var(--radius-sm); font-family: var(--font-body); font-size: 14px; color: var(--gray-dark); transition: var(--transition); background: var(--white); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px rgba(37,99,235,0.08); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-consent { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 24px; font-size: 13px; color: var(--gray-mid); }
.form-consent input { width: 16px; height: 16px; margin-top: 2px; flex-shrink: 0; }
.form-consent a { color: var(--gold); }

/* Footer */
.footer { background: var(--navy-deep); color: rgba(255,255,255,0.7); padding: 80px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px; padding-bottom: 60px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand p { font-size: 14px; line-height: 1.8; color: rgba(255,255,255,0.5); margin: 20px 0; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-social a:hover { background: var(--gold); color: var(--white); }
.footer h4 { font-family: var(--font-heading); font-size: 16px; font-weight: 600; color: var(--white); margin-bottom: 24px; letter-spacing: 0.5px; }
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a { font-size: 14px; color: rgba(255,255,255,0.5); transition: var(--transition); }
.footer-links a:hover { color: var(--gold-light); padding-left: 4px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: rgba(255,255,255,0.5); margin-bottom: 12px; }
.footer-contact li::before { content: ""; width: 5px; height: 5px; background: var(--gold-light); border-radius: 50%; flex-shrink: 0; }
.footer-bottom { padding: 24px 0; display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: rgba(255,255,255,0.4); }
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--gold-light); }

/* Breadcrumb */
.breadcrumb { background: var(--gray-bg); padding: 16px 0; font-size: 13px; color: var(--gray-mid); margin-top: 72px; }
.breadcrumb-inner { display: flex; align-items: center; gap: 8px; }
.breadcrumb a { color: var(--gray-mid); }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb-sep { color: var(--gray-light); }
.breadcrumb-current { color: var(--navy-deep); font-weight: 500; }

/* Responsive */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}
@media (max-width: 768px) {
  .section { padding: 60px 0; }
  .mobile-toggle { display: flex; }
  .nav { display: none; position: absolute; top: 72px; left: 0; right: 0; background: rgba(255,255,255,0.98); flex-direction: column; padding: 20px; gap: 4px; box-shadow: 0 8px 30px rgba(26,58,110,0.1); }
  .nav.active { display: flex; }
  .header-phone { display: none; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-credentials { grid-template-columns: 1fr; }
}