/* ============ 深圳私人调查 - 前台样式 ============ */
/* 设计风格：深色商务 + 金色点缀，高端大气 */

/* === CSS变量 === */
:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --gold: #c9a96e;
    --gold-light: #d4b87a;
    --gold-dark: #b8953d;
    --blue: #1e40af;
    --text-light: #e2e8f0;
    --text-muted: #94a3b8;
    --text-dark: #1e293b;
    --bg-light: #f8fafc;
    --bg-section: #0f172a;
    --border: #e2e8f0;
    --shadow: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);
    --radius: 10px;
    --transition: all 0.3s ease;
}

/* === Reset & Base === */
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    background: #fff;
    overflow-x: hidden;
}
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }

/* === 导航栏 === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(201, 169, 110, 0.15);
    padding: 0 0;
    transition: var(--transition);
}
.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}
.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
}
.nav-logo i { color: var(--gold); font-size: 24px; }
.nav-logo span { letter-spacing: 2px; }
.nav-links {
    display: flex;
    list-style: none;
    gap: 6px;
}
.nav-links a {
    display: block;
    padding: 8px 18px;
    color: var(--text-muted);
    font-size: 15px;
    font-weight: 500;
    border-radius: 6px;
    transition: var(--transition);
}
.nav-links a:hover, .nav-links a.active {
    color: #fff;
    background: rgba(201, 169, 110, 0.15);
}
.nav-links a.active { color: var(--gold); }
.nav-phone {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--gold);
    color: var(--primary) !important;
    padding: 8px 20px;
    border-radius: 25px;
    font-weight: 600;
    font-size: 14px;
}
.nav-phone:hover { background: var(--gold-light); transform: translateY(-1px); }
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: #fff;
    font-size: 22px;
    cursor: pointer;
}

/* === Hero 横幅 === */
.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('/assets/images/hero_bg.jpg') center/cover no-repeat,
                linear-gradient(135deg, #0f172a 0%, #1a2744 30%, #1e3a5f 60%, #0f172a 100%);
    overflow: hidden;
    padding-top: 70px;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(201, 169, 110, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(30, 64, 175, 0.06) 0%, transparent 50%),
        radial-gradient(circle at 60% 80%, rgba(201, 169, 110, 0.04) 0%, transparent 40%);
}
.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(201, 169, 110, 0.06) 0%, transparent 70%);
    animation: float 8s ease-in-out infinite;
}
@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-30px) rotate(5deg); }
}
.hero-bg-overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c9a96e' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 1;
    z-index: 0;
}
.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: 60px 0;
}
.hero-title {
    font-size: 52px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
    letter-spacing: 4px;
    line-height: 1.2;
}
.hero-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: var(--gold);
    margin: 20px auto 0;
    border-radius: 2px;
}
.hero-subtitle {
    font-size: 20px;
    color: var(--gold);
    margin-bottom: 12px;
    font-weight: 500;
    letter-spacing: 2px;
}
.hero-desc {
    font-size: 16px;
    color: var(--text-muted);
    margin-bottom: 36px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.hero-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 50px;
}

/* === 按钮 === */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
}
.btn-gold {
    background: var(--gold);
    color: var(--primary);
}
.btn-gold:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(201, 169, 110, 0.3);
}
.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255,255,255,0.3);
}
.btn-outline:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.1);
}
.btn-lg { padding: 14px 36px; font-size: 16px; }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; }

/* === Hero 统计数据 === */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 50px;
}
.stat-item { text-align: center; }
.stat-num {
    font-size: 42px;
    font-weight: 800;
    color: var(--gold);
    line-height: 1;
}
.stat-unit {
    font-size: 24px;
    color: var(--gold);
}
.stat-label {
    display: block;
    font-size: 14px;
    color: var(--text-muted);
    margin-top: 6px;
}

/* === 通用版块 === */
.section { padding: 80px 0; }
.section-dark { background: var(--bg-section); color: var(--text-light); }
.section-gold { background: var(--primary-light); color: var(--text-light); }
.section-header {
    text-align: center;
    margin-bottom: 50px;
}
.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 12px;
    position: relative;
    display: inline-block;
}
.section-header h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--gold);
    margin: 12px auto 0;
    border-radius: 2px;
}
.section-header p {
    color: var(--text-muted);
    font-size: 16px;
}

/* === 服务卡片 === */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.service-card {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(201, 169, 110, 0.1);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0;
    transition: var(--transition);
}
.service-card:hover {
    transform: translateY(-6px);
    border-color: rgba(201, 169, 110, 0.3);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
}
.service-card:hover::before { opacity: 1; }
.service-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(201, 169, 110, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 26px;
    color: var(--gold);
    transition: var(--transition);
}
.service-card:hover .service-icon {
    background: var(--gold);
    color: var(--primary);
}
.service-card h3 {
    font-size: 18px;
    margin-bottom: 12px;
    color: #fff;
}
.service-card p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 16px;
}
.service-link {
    color: var(--gold);
    font-size: 14px;
    font-weight: 500;
}
.service-link:hover { color: var(--gold-light); }

/* === 为什么选择我们 === */
.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.why-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(201, 169, 110, 0.1);
    border-radius: var(--radius);
    padding: 32px 24px;
    text-align: center;
    transition: var(--transition);
}
.why-card:hover {
    transform: translateY(-4px);
    border-color: rgba(201, 169, 110, 0.25);
}
.why-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    background: rgba(201, 169, 110, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 22px;
    color: var(--gold);
}
.why-card h3 { font-size: 16px; margin-bottom: 10px; color: #fff; }
.why-card p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }

/* === 新闻卡片 === */
.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 36px;
}
.news-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(201, 169, 110, 0.08);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}
.news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.3);
}
.news-cover {
    height: 180px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, #1a2744, #0f172a);
}
.news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.news-card:hover .news-cover img { transform: scale(1.05); }
.news-cover-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    color: rgba(201, 169, 110, 0.3);
}
.news-category {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--gold);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
}
.news-body { padding: 20px; }
.news-body h3 { font-size: 16px; margin-bottom: 8px; line-height: 1.5; }
.news-body h3 a { color: #fff; }
.news-body h3 a:hover { color: var(--gold); }
.news-body p { color: var(--text-muted); font-size: 13px; line-height: 1.6; margin-bottom: 12px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; gap: 16px; font-size: 12px; color: #64748b; }
.news-meta i { margin-right: 4px; }

/* === CTA 咨询区 === */
.cta-section {
    background: url('/assets/images/cta_bg.jpg') center/cover no-repeat,
                linear-gradient(135deg, #1a2332 0%, #1e3a5f 100%);
    padding: 60px 0;
    text-align: center;
    position: relative;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.7);
}
.cta-content { position: relative; z-index: 1; }
.cta-content h2 { font-size: 30px; color: #fff; margin-bottom: 10px; }
.cta-content p { color: var(--text-muted); margin-bottom: 24px; font-size: 16px; }

/* === 页面Banner === */
.page-banner {
    position: relative;
    padding: 140px 0 80px;
    background: url('/assets/images/page_banner_bg.jpg') center/cover no-repeat,
                linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%);
    text-align: center;
    overflow: hidden;
}
.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(15, 23, 42, 0.65);
}
.banner-overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23c9a96e' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.page-banner h1 { font-size: 36px; color: #fff; margin-bottom: 10px; position: relative; }
.page-banner p { color: var(--text-muted); font-size: 16px; position: relative; }

/* === 关于我们 === */
.about-intro {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 50px;
    align-items: start;
}
.about-text h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #fff;
}
.about-text h2::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: var(--gold);
    margin-top: 12px;
    border-radius: 2px;
}
.about-content { color: var(--text-muted); line-height: 1.8; }
.about-content p { margin-bottom: 16px; }
.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}
.highlight-card {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(201, 169, 110, 0.1);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}
.highlight-card:hover { border-color: rgba(201, 169, 110, 0.25); transform: translateY(-3px); }
.highlight-icon {
    font-size: 28px;
    color: var(--gold);
    margin-bottom: 10px;
}
.highlight-card h3 { font-size: 15px; color: #fff; margin-bottom: 6px; }
.highlight-card p { font-size: 13px; color: var(--text-muted); }

/* === 优势 === */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}
.advantage-item {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(201, 169, 110, 0.08);
    border-radius: var(--radius);
    padding: 32px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
    transition: var(--transition);
}
.advantage-item:hover { border-color: rgba(201, 169, 110, 0.2); }
.advantage-num {
    font-size: 36px;
    font-weight: 800;
    color: var(--gold);
    opacity: 0.3;
    line-height: 1;
    flex-shrink: 0;
}
.advantage-item h3 { font-size: 17px; color: #fff; margin-bottom: 8px; }
.advantage-item p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* === 服务列表页 === */
.services-full-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.service-full-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(201, 169, 110, 0.08);
    border-radius: var(--radius);
    padding: 30px;
    display: flex;
    gap: 24px;
    align-items: center;
    transition: var(--transition);
}
.service-full-card:hover {
    border-color: rgba(201, 169, 110, 0.2);
    transform: translateX(4px);
}
.service-full-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    background: rgba(201, 169, 110, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--gold);
    flex-shrink: 0;
}
.service-full-info { flex: 1; }
.service-full-info h3 { font-size: 18px; color: #fff; margin-bottom: 8px; }
.service-full-info p { color: var(--text-muted); font-size: 14px; line-height: 1.6; }
.service-full-content { color: #64748b; font-size: 13px; margin-top: 8px; }
.service-full-action { flex-shrink: 0; }

/* 服务详情 */
.service-detail {
    max-width: 800px;
    margin: 0 auto;
}
.service-detail-header {
    text-align: center;
    margin-bottom: 30px;
}
.service-detail-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(201, 169, 110, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    font-size: 30px;
    color: var(--gold);
}
.service-detail-header h2 { font-size: 26px; color: #fff; }
.service-detail-content { color: var(--text-muted); line-height: 1.9; font-size: 15px; }
.service-detail-content p { margin-bottom: 16px; }
.service-detail-cta {
    text-align: center;
    margin-top: 36px;
    display: flex;
    justify-content: center;
    gap: 16px;
}

/* === 服务流程 === */
.process-grid {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
}
.process-step {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(201, 169, 110, 0.1);
    border-radius: var(--radius);
    padding: 28px 24px;
    text-align: center;
    width: 180px;
    transition: var(--transition);
}
.process-step:hover { border-color: rgba(201, 169, 110, 0.25); }
.process-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gold);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
    margin: 0 auto 12px;
}
.process-step h3 { font-size: 15px; color: #fff; margin-bottom: 8px; }
.process-step p { font-size: 12px; color: var(--text-muted); line-height: 1.6; }
.process-arrow { color: var(--gold); font-size: 20px; }

/* === 新闻列表页 === */
.news-filter {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}
.filter-btn {
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-muted);
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(201, 169, 110, 0.08);
    transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
    background: var(--gold);
    color: var(--primary);
    border-color: var(--gold);
}

.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-list-item {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(201, 169, 110, 0.08);
    border-radius: var(--radius);
    display: flex;
    overflow: hidden;
    transition: var(--transition);
}
.news-list-item:hover { border-color: rgba(201, 169, 110, 0.2); transform: translateX(4px); }
.news-list-cover {
    width: 240px;
    min-height: 160px;
    flex-shrink: 0;
    overflow: hidden;
}
.news-list-cover img { width: 100%; height: 100%; object-fit: cover; }
.news-cover-placeholder {
    width: 100%;
    height: 100%;
    min-height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 36px;
    color: rgba(201, 169, 110, 0.2);
    background: rgba(30, 41, 59, 0.8);
}
.news-list-body { padding: 24px; flex: 1; }
.news-list-cat {
    display: inline-block;
    background: rgba(201, 169, 110, 0.12);
    color: var(--gold);
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 12px;
    margin-bottom: 10px;
}
.news-list-body h3 { font-size: 18px; margin-bottom: 8px; }
.news-list-body h3 a { color: #fff; }
.news-list-body h3 a:hover { color: var(--gold); }
.news-list-body p { color: var(--text-muted); font-size: 14px; line-height: 1.7; margin-bottom: 12px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* 文章详情 */
.article-detail { max-width: 800px; margin: 0 auto; }
.article-header { margin-bottom: 30px; }
.article-category {
    display: inline-block;
    background: rgba(201, 169, 110, 0.12);
    color: var(--gold);
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 13px;
    margin-bottom: 12px;
}
.article-header h1 { font-size: 28px; color: #fff; margin-bottom: 12px; line-height: 1.4; }
.article-meta { display: flex; gap: 20px; font-size: 13px; color: #64748b; }
.article-meta i { margin-right: 4px; }
.article-cover { margin-bottom: 30px; border-radius: var(--radius); overflow: hidden; }
.article-cover img { width: 100%; }
.article-content { color: var(--text-muted); line-height: 1.9; font-size: 15px; }
.article-content p { margin-bottom: 16px; }
.article-content strong { color: #fff; }
.article-content h2, .article-content h3 { color: #fff; margin: 24px 0 12px; }
.article-footer { margin-top: 40px; padding-top: 24px; border-top: 1px solid rgba(201, 169, 110, 0.1); }

/* === 分页 === */
.pagination { display: flex; justify-content: center; gap: 8px; margin-top: 36px; }
.page-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    color: var(--text-muted);
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(201, 169, 110, 0.08);
    transition: var(--transition);
}
.page-btn:hover, .page-btn.active {
    background: var(--gold);
    color: var(--primary);
    border-color: var(--gold);
}

/* === 联系我们 === */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}
.contact-info h2, .contact-form-wrap h2 {
    font-size: 26px;
    color: #fff;
    margin-bottom: 16px;
}
.contact-desc { color: var(--text-muted); margin-bottom: 24px; line-height: 1.7; }
.contact-items { display: flex; flex-direction: column; gap: 20px; }
.contact-item {
    display: flex;
    gap: 16px;
    align-items: center;
}
.contact-item-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: rgba(201, 169, 110, 0.12);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold);
    font-size: 18px;
    flex-shrink: 0;
}
.contact-item-text h4 { font-size: 14px; color: #fff; margin-bottom: 2px; }
.contact-item-text p, .contact-item-text a { color: var(--text-muted); font-size: 14px; }
.contact-item-text a:hover { color: var(--gold); }

/* 表单 */
.contact-form { margin-top: 20px; }
.form-group { margin-bottom: 18px; }
.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    color: var(--text-muted);
    font-weight: 500;
}
.form-group label i { margin-right: 6px; color: var(--gold); }
.required { color: #dc2626; }
.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 14px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(201, 169, 110, 0.15);
    border-radius: 6px;
    color: #fff;
    font-size: 14px;
    outline: none;
    transition: var(--transition);
    font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.1);
}
.form-group input::placeholder, .form-group textarea::placeholder { color: #475569; }
.form-message { padding: 12px; border-radius: 6px; margin-top: 16px; font-size: 14px; }
.form-message.success { background: rgba(34, 197, 94, 0.1); color: #22c55e; border: 1px solid rgba(34, 197, 94, 0.2); }
.form-message.error { background: rgba(220, 38, 38, 0.1); color: #dc2626; border: 1px solid rgba(220, 38, 38, 0.2); }

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}
.empty-state i { font-size: 48px; margin-bottom: 16px; opacity: 0.3; }

/* === 底部 === */
.footer {
    background: #0a0f1a;
    color: var(--text-muted);
    padding: 60px 0 0;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
}
.footer-col h3 {
    color: #fff;
    font-size: 16px;
    margin-bottom: 16px;
    font-weight: 600;
}
.footer-col h3 i { color: var(--gold); margin-right: 8px; }
.footer-col p { font-size: 14px; line-height: 1.8; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul a { font-size: 14px; color: var(--text-muted); }
.footer-col ul a:hover { color: var(--gold); }
.footer-contact p { margin-bottom: 8px; font-size: 14px; }
.footer-contact i { color: var(--gold); margin-right: 8px; width: 16px; }
.footer-qr p { margin-bottom: 12px; font-size: 14px; }
.footer-bottom {
    border-top: 1px solid rgba(201, 169, 110, 0.08);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--gold); }

/* === 返回顶部 === */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--gold);
    color: var(--primary);
    border: none;
    font-size: 18px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(201, 169, 110, 0.3);
    transition: var(--transition);
    z-index: 999;
}
.back-to-top:hover { transform: translateY(-3px); }
.back-to-top.visible { display: flex; }

/* === 浮动咨询 === */
.float-contact {
    position: fixed;
    bottom: 90px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: #22c55e;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.3);
    z-index: 999;
    animation: pulse 2s infinite;
}
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4); }
    70% { box-shadow: 0 0 0 12px rgba(34, 197, 94, 0); }
    100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* === 滚动动画 === */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* === 响应式 === */
@media (max-width: 992px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .hero-title { font-size: 36px; }
    .hero-stats { gap: 30px; }
    .stat-num { font-size: 32px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
    .about-intro { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .advantages-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-phone span { display: none; }
    .nav-toggle { display: block; }
    .nav-links.show {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        padding: 20px;
        border-top: 1px solid rgba(201, 169, 110, 0.1);
    }
    .hero { min-height: 500px; }
    .hero-title { font-size: 28px; }
    .hero-subtitle { font-size: 16px; }
    .hero-stats { flex-wrap: wrap; gap: 20px; }
    .stat-num { font-size: 28px; }
    .services-grid { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .news-list-item { flex-direction: column; }
    .news-list-cover { width: 100%; height: 180px; }
    .process-grid { flex-direction: column; }
    .process-arrow { transform: rotate(90deg); }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; align-items: center; }
    .section { padding: 50px 0; }
    .section-header h2 { font-size: 24px; }
}