/* ========== 全局重置 ========== */
* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #0ea5e9;
    --primary-dark: #0369a1;
    --primary-darker: #075985;
    --accent: #f59e0b;
    --accent-light: #fbbf24;
    --dark: #0f172a;
    --dark-2: #1e293b;
    --dark-3: #334155;
    --gray-bg: #f1f5f9;
    --gray-light: #f8fafc;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --success: #10b981;
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--text);
    line-height: 1.8;
    background: var(--gray-light);
    font-size: 15px;
}

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--primary-dark); }

.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.text-center { text-align: center; }

/* ========== 顶部品牌栏 ========== */
.top-bar {
    background: var(--dark);
    color: #94a3b8;
    font-size: 13px;
    padding: 6px 0;
}
.top-bar-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.top-bar-left, .top-bar-right {
    display: flex;
    gap: 20px;
    align-items: center;
}
.top-bar-item { white-space: nowrap; }
.top-bar-phone {
    color: var(--accent-light) !important;
    font-weight: 600;
}

/* ========== 主导航 ========== */
.site-header {
    background: #fff;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    gap: 20px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.logo-mark { display: flex; }
.logo-text { display: flex; flex-direction: column; }
.logo-name {
    font-size: 22px;
    font-weight: 800;
    color: var(--dark);
    letter-spacing: 1px;
}
.logo-sub {
    font-size: 11px;
    color: var(--text-light);
    letter-spacing: 0.5px;
}
.main-nav {
    display: flex;
    gap: 28px;
    align-items: center;
    flex: 1;
    justify-content: center;
}
.main-nav a {
    color: var(--dark-3);
    font-size: 15px;
    font-weight: 500;
    padding: 6px 0;
    position: relative;
    transition: color 0.2s;
}
.main-nav a:hover { color: var(--primary); }
.main-nav a:hover::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
}
.header-cta { flex-shrink: 0; }
.btn-quote-header {
    display: inline-block;
    padding: 8px 24px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff !important;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s;
    box-shadow: 0 2px 8px rgba(14,165,233,0.3);
}
.btn-quote-header:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(14,165,233,0.4);
}

/* ========== 面包屑 ========== */
.breadcrumb {
    background: var(--gray-bg);
    padding: 10px 0;
    font-size: 13px;
    color: var(--text-light);
}
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }

/* ========== Hero轮播 ========== */
.hero {
    position: relative;
    overflow: hidden;
}
.hero-slider { position: relative; height: 480px; }
.hero-slide {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.8s ease;
    pointer-events: none;
}
.hero-slide.active {
    opacity: 1;
    pointer-events: auto;
}
.hero-content {
    color: #fff;
    max-width: 700px;
    padding: 40px 0;
}
.hero-badge {
    display: inline-block;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    font-size: 13px;
    padding: 4px 16px;
    border-radius: 20px;
    margin-bottom: 20px;
}
.hero h1 {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.3;
    text-shadow: 0 2px 8px rgba(0,0,0,0.2);
}
.hero-slogan {
    font-size: 18px;
    opacity: 0.95;
    margin-bottom: 32px;
    line-height: 1.6;
}
.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.btn-hero-primary {
    display: inline-block;
    padding: 14px 36px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff !important;
    border-radius: 28px;
    font-size: 16px;
    font-weight: 700;
    transition: all 0.3s;
    box-shadow: 0 4px 16px rgba(245,158,11,0.4);
}
.btn-hero-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(245,158,11,0.5);
}
.btn-hero-secondary {
    display: inline-block;
    padding: 14px 36px;
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,0.3);
    color: #fff !important;
    border-radius: 28px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s;
}
.btn-hero-secondary:hover {
    background: rgba(255,255,255,0.2);
}
.hero-dots {
    position: absolute;
    bottom: 200px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 10;
}
.hero-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    cursor: pointer;
    transition: all 0.3s;
}
.hero-dot.active {
    background: #fff;
    width: 30px;
    border-radius: 5px;
}
/* 数据统计条 */
.hero-stats-bar {
    background: var(--dark);
    padding: 24px 0;
}
.stats-row {
    display: flex;
    justify-content: space-around;
    gap: 20px;
    flex-wrap: wrap;
}
.stat-box { text-align: center; }
.stat-num {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--accent-light);
    line-height: 1.2;
}
.stat-label {
    font-size: 13px;
    color: #94a3b8;
}

/* ========== 通用区块 ========== */
.section { padding: 56px 0; }
.section-gray { background: var(--gray-bg); }
.section-header {
    text-align: center;
    margin-bottom: 40px;
}
.section-tag {
    display: inline-block;
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 8px;
    text-transform: uppercase;
}
.section-tag.light { color: var(--accent-light); }
.section-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 8px;
}
.section-title.light { color: #fff; }
.section-subtitle {
    color: var(--text-light);
    font-size: 15px;
}
.section-subtitle.light { color: rgba(255,255,255,0.7); }

/* ========== 三大服务卡片 ========== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.service-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border-top: 3px solid transparent;
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: opacity 0.3s;
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.service-card:hover::before { opacity: 1; }
.service-icon-wrap {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #e0f2fe, #f0f9ff);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: all 0.3s;
}
.service-card:hover .service-icon-wrap {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    transform: rotate(5deg) scale(1.05);
}
.service-subtitle {
    display: block;
    font-size: 11px;
    color: var(--text-light);
    letter-spacing: 1px;
    margin-bottom: 4px;
    text-transform: uppercase;
}
.service-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}
.service-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: left;
}
.service-features {
    list-style: none;
    text-align: left;
    margin-bottom: 24px;
}
.service-features li {
    font-size: 13px;
    color: var(--dark-3);
    padding: 4px 0;
    border-bottom: 1px dashed var(--border);
}
.service-features li:last-child { border: none; }
.service-cta {
    display: inline-block;
    padding: 8px 24px;
    background: var(--gray-bg);
    color: var(--primary) !important;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.2s;
}
.service-cta:hover {
    background: var(--primary);
    color: #fff !important;
}

/* ========== 在线询价区块 ========== */
.section-quote {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
    position: relative;
    overflow: hidden;
}
.section-quote::before {
    content: '';
    position: absolute;
    top: -50%; right: -10%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(14,165,233,0.1), transparent 70%);
    border-radius: 50%;
}
.quote-section-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 1;
}
.quote-features {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.quote-feature {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.qf-icon {
    font-size: 24px;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(14,165,233,0.15);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.quote-feature strong {
    color: #fff;
    font-size: 16px;
    display: block;
    margin-bottom: 2px;
}
.quote-feature p {
    color: #94a3b8;
    font-size: 13px;
}
.quote-section-right {
    background: #fff;
    border-radius: var(--radius);
    padding: 36px;
    box-shadow: var(--shadow-lg);
}

/* ========== 表单样式 ========== */
.quick-quote-form h3 {
    font-size: 20px;
    color: var(--dark);
    margin-bottom: 20px;
    text-align: center;
}
.form-row {
    margin-bottom: 16px;
}
.form-row label {
    display: block;
    font-size: 13px;
    color: var(--dark-3);
    margin-bottom: 6px;
    font-weight: 600;
}
.form-row select,
.form-row input,
.form-row textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text);
    transition: border-color 0.2s;
    font-family: inherit;
    background: #fff;
}
.form-row select:focus,
.form-row input:focus,
.form-row textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(14,165,233,0.1);
}
.btn-submit-quote {
    display: block;
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 8px;
}
.btn-submit-quote:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(14,165,233,0.4);
}
.form-note {
    text-align: center;
    font-size: 12px;
    color: var(--text-light);
    margin-top: 10px;
}
.form-row-inline {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.quote-inline-block {
    border: 2px solid var(--primary);
    border-radius: var(--radius);
    background: linear-gradient(135deg, #f0f9ff, #fff);
}
.quick-quote-form.inline {
    background: #fff;
    padding: 20px;
    border-radius: var(--radius-sm);
    margin-top: 16px;
}
.quick-quote-form.inline .form-row {
    margin-bottom: 12px;
}

/* ========== 页面头部 ========== */
.page-header {
    background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 100%);
    padding: 48px 0;
}
.page-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 40px;
}
.page-header-left { flex: 1; }
.page-badge {
    display: inline-block;
    background: rgba(14,165,233,0.1);
    color: var(--primary);
    font-size: 13px;
    padding: 4px 14px;
    border-radius: 20px;
    margin-bottom: 16px;
    font-weight: 600;
}
.page-header h1 {
    font-size: 28px;
    color: var(--dark);
    margin-bottom: 12px;
    line-height: 1.4;
    font-weight: 800;
}
.page-desc {
    font-size: 15px;
    color: var(--dark-3);
    max-width: 700px;
    margin-bottom: 8px;
}
.page-header-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    flex-wrap: wrap;
}
.page-header-actions .btn-hero-primary,
.page-header-actions .btn-hero-secondary {
    padding: 10px 28px;
    font-size: 14px;
}
.page-header-actions .btn-hero-secondary {
    background: var(--dark);
    border: none;
}
.page-header-stats {
    display: flex;
    gap: 20px;
    flex-shrink: 0;
}
.phs-item {
    text-align: center;
    background: rgba(255,255,255,0.6);
    padding: 20px 24px;
    border-radius: var(--radius);
    backdrop-filter: blur(8px);
}
.phs-num {
    display: block;
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
}
.phs-label {
    font-size: 12px;
    color: var(--text-light);
}
.city-header {
    background: linear-gradient(135deg, #ecfeff 0%, #e0f2fe 100%);
}
.about-header {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
    color: #fff;
    text-align: center;
    padding: 64px 0;
}
.about-header .page-badge {
    background: rgba(245,158,11,0.2);
    color: var(--accent-light);
}
.about-header h1 { color: #fff; }
.about-header .page-desc { color: #94a3b8; margin: 0 auto; }

/* ========== 内容区块 ========== */
.content-block {
    background: #fff;
    border-radius: var(--radius);
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.content-block h2 {
    font-size: 22px;
    margin-bottom: 20px;
    color: var(--dark);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--gray-bg);
    font-weight: 700;
}
.content-block p {
    margin-bottom: 14px;
    color: var(--dark-3);
    line-height: 1.9;
}
.block-desc { color: var(--text-light); font-size: 14px; margin-bottom: 20px; }

/* ========== 表格 ========== */
.info-table { width: 100%; border-collapse: collapse; margin-bottom: 20px; font-size: 14px; }
.info-table th {
    background: var(--gray-bg);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    color: var(--dark);
    border: 1px solid var(--border);
    width: 15%;
}
.info-table td {
    padding: 12px 16px;
    border: 1px solid var(--border);
    color: var(--dark-3);
}
.price-table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 14px; }
.price-table thead th {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 12px 16px;
    text-align: center;
    font-weight: 600;
}
.price-table tbody td {
    padding: 12px 16px;
    text-align: center;
    border: 1px solid var(--border);
}
.price-table tbody tr:nth-child(even) { background: var(--gray-light); }
.price-table tbody tr:hover { background: #e0f2fe; }
.price-note {
    background: #fffbeb;
    border-left: 4px solid var(--accent);
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--dark-3);
    margin-top: 16px;
}
.price-note-box {
    background: #f0f9ff;
    border: 1px solid #bae6fd;
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    margin: 20px 0;
}
.price-note-box p {
    margin: 0 0 10px 0;
    font-weight: 600;
    color: var(--primary-dark);
}
.price-note-box ul {
    margin: 0;
    padding-left: 20px;
}
.price-note-box li {
    margin: 6px 0;
    font-size: 13px;
    color: var(--dark-2);
    line-height: 1.6;
}

/* ========== 区域省份列表 ========== */
.region-block { margin-bottom: 32px; }
.region-title {
    font-size: 18px;
    color: var(--primary);
    margin-bottom: 16px;
    padding-left: 12px;
    border-left: 4px solid var(--primary);
    font-weight: 700;
}
.province-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.province-item {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    transition: all 0.2s;
    color: var(--text);
    border: 1.5px solid transparent;
}
.province-item:hover {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    transform: translateY(-2px);
    border-color: var(--primary);
}
.province-name { font-size: 16px; font-weight: 700; margin-bottom: 4px; }
.province-cap { font-size: 12px; opacity: 0.7; }
.province-capacity { font-size: 12px; color: var(--primary); margin-top: 4px; }
.province-item:hover .province-capacity { color: var(--accent-light); }

/* ========== 热门城市 ========== */
.hot-cities { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.hot-city-item {
    background: #fff;
    border: 1.5px solid var(--border);
    border-radius: 20px;
    padding: 8px 20px;
    font-size: 14px;
    color: var(--dark-3);
    transition: all 0.2s;
}
.hot-city-item:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* ========== 城市网格 ========== */
.city-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.city-card {
    background: var(--gray-light);
    border-radius: var(--radius-sm);
    padding: 20px;
    transition: all 0.2s;
    color: var(--text);
    border: 2px solid transparent;
}
.city-card:hover {
    background: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(14,165,233,0.15);
    transform: translateY(-2px);
    color: var(--text);
}
.city-card h3 { font-size: 17px; margin-bottom: 10px; color: var(--primary); }
.city-info { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 10px; }
.city-tag {
    background: #e0f2fe;
    color: var(--primary);
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 4px;
}
.city-capacity { font-size: 12px; color: var(--text-light); }
.city-arrow { font-size: 13px; color: var(--primary); }
.city-card-sm {
    display: inline-block;
    background: var(--gray-bg);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    color: var(--dark-3);
    transition: all 0.2s;
}
.city-card-sm:hover { background: var(--primary); color: #fff; }

/* ========== 需求卡片 ========== */
.demand-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.demand-card {
    background: var(--gray-light);
    border-radius: var(--radius);
    padding: 28px 24px;
    text-align: center;
    transition: all 0.3s;
    border-top: 3px solid transparent;
}
.demand-card:hover {
    background: #fff;
    box-shadow: var(--shadow);
    border-top-color: var(--primary);
    transform: translateY(-4px);
}
.demand-icon {
    margin-bottom: 14px;
    display: flex;
    justify-content: center;
}
.demand-card h3 { font-size: 17px; margin-bottom: 12px; color: var(--dark); }
.demand-card p { font-size: 13px; color: var(--text-light); text-align: left; line-height: 1.7; }
.svc-features-mini {
    list-style: none;
    text-align: left;
    margin-top: 12px;
}
.svc-features-mini li {
    font-size: 13px;
    color: var(--dark-3);
    padding: 3px 0;
}

/* ========== 服务说明 ========== */
.service-points {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.service-point {
    background: var(--gray-light);
    border-radius: var(--radius-sm);
    padding: 20px 24px;
    border-left: 3px solid var(--primary);
}
.service-point h3 { font-size: 16px; margin-bottom: 10px; color: var(--primary); }
.service-point p { font-size: 13px; color: var(--text-light); margin: 0; }

/* ========== 政策背书 ========== */
.policies-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.policy-card {
    background: var(--gray-light);
    border-radius: var(--radius);
    padding: 24px;
    border-left: 4px solid var(--primary);
    transition: all 0.2s;
}
.policy-card:hover {
    background: #fff;
    box-shadow: var(--shadow);
}
.policy-tag {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    font-size: 11px;
    padding: 2px 10px;
    border-radius: 4px;
    margin-bottom: 10px;
    font-weight: 600;
}
.policy-card h3 { font-size: 15px; margin-bottom: 8px; color: var(--dark); line-height: 1.5; }
.policy-card p { font-size: 13px; color: var(--text-light); }
.policy-notice {
    margin-top: 24px;
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: var(--radius-sm);
    padding: 16px 20px;
    font-size: 14px;
    color: var(--dark-3);
}
.policy-mini-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}
.policy-mini {
    background: var(--gray-light);
    padding: 16px;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--success);
}
.policy-tag-sm {
    display: inline-block;
    background: var(--success);
    color: #fff;
    font-size: 11px;
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 8px;
}
.policy-mini p { font-size: 13px; color: var(--dark-3); }

/* ========== 资质卡片 ========== */
.cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.cert-card {
    background: #fff;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 20px;
    text-align: center;
    transition: all 0.3s;
}
.cert-card:hover {
    border-color: var(--success);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}
.cert-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 12px;
    background: linear-gradient(135deg, var(--success), #059669);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 700;
}
.cert-card h3 { font-size: 14px; margin-bottom: 6px; color: var(--dark); }
.cert-card p { font-size: 12px; color: var(--text-light); }

/* ========== 案例卡片 ========== */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.case-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 28px 24px;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    border-top: 3px solid var(--accent);
}
.case-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}
.case-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}
.case-type {
    background: var(--accent);
    color: #fff;
    font-size: 12px;
    padding: 2px 10px;
    border-radius: 4px;
    font-weight: 600;
}
.case-date { font-size: 12px; color: var(--text-light); }
.case-card h3 { font-size: 16px; margin-bottom: 12px; color: var(--dark); line-height: 1.5; }
.case-meta {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    font-size: 13px;
    color: var(--text-light);
}
.case-card p { font-size: 13px; color: var(--dark-3); line-height: 1.7; }

/* ========== FAQ ========== */
.faq-list { max-width: 900px; margin: 0 auto; }
.faq-item {
    background: #fff;
    border-radius: var(--radius-sm);
    margin-bottom: 12px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    transition: box-shadow 0.2s;
}
.faq-item[open] { box-shadow: var(--shadow); }
.faq-q {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 18px 24px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    color: var(--dark);
    list-style: none;
    transition: background 0.2s;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q:hover { background: var(--gray-light); }
.faq-icon {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
}
.faq-arrow {
    margin-left: auto;
    font-size: 20px;
    color: var(--text-light);
    transition: transform 0.2s;
}
.faq-item[open] .faq-arrow { transform: rotate(45deg); }
.faq-a {
    display: flex;
    gap: 12px;
    padding: 0 24px 20px;
    font-size: 14px;
    color: var(--dark-3);
    line-height: 1.8;
}
.faq-icon-a {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    background: var(--success);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
}

/* ========== 联系卡片 ========== */
.contact-block {
    background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 100%);
}
.contact-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.contact-card {
    background: #fff;
    border-radius: var(--radius);
    padding: 28px 24px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}
.contact-card:hover { transform: translateY(-4px); }
.contact-icon { font-size: 36px; margin-bottom: 10px; }
.contact-card h3 { font-size: 16px; margin-bottom: 8px; color: var(--dark); }
.contact-value { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 4px; }
.contact-time { font-size: 13px; color: var(--text-light); }

/* ========== CTA ========== */
.cta-box {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.cta-box::before {
    content: '';
    position: absolute;
    top: -30%; right: -5%;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(14,165,233,0.15), transparent 70%);
    border-radius: 50%;
}
.cta-box h2 { font-size: 24px; margin-bottom: 10px; border: none; color: #fff; padding: 0; position: relative; }
.cta-box p { font-size: 15px; opacity: 0.85; margin-bottom: 24px; color: #fff; position: relative; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; position: relative; }
.btn-primary {
    display: inline-block;
    padding: 12px 32px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff !important;
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 700;
    transition: all 0.2s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(245,158,11,0.4); }
.btn-secondary {
    display: inline-block;
    padding: 12px 32px;
    background: #fff;
    color: var(--primary) !important;
    border: 2px solid var(--primary);
    border-radius: var(--radius-sm);
    font-size: 16px;
    font-weight: 700;
    transition: all 0.2s;
}
.btn-secondary:hover {
    background: var(--primary);
    color: #fff !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(14, 165, 233, 0.35);
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--dark) 100%);
    padding: 56px 0;
    text-align: center;
    color: #fff;
}
.cta-banner h2 { font-size: 28px; margin-bottom: 12px; }
.cta-banner p { font-size: 16px; opacity: 0.85; margin-bottom: 28px; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* ========== 文章列表 ========== */
.news-list { display: grid; grid-template-columns: 1fr; gap: 20px; }
.news-item {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px 28px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: all 0.2s;
    color: var(--text);
    display: block;
    border-left: 3px solid transparent;
}
.news-item:hover {
    box-shadow: var(--shadow);
    transform: translateX(4px);
    border-left-color: var(--primary);
    color: var(--text);
}
.news-content h2 { font-size: 18px; margin: 10px 0; color: var(--dark); }
.news-content p { font-size: 14px; color: var(--text-light); margin-bottom: 12px; }
.news-meta { display: flex; gap: 20px; font-size: 13px; color: var(--text-light); }
.article-cat {
    display: inline-block;
    background: #e0f2fe;
    color: var(--primary);
    font-size: 12px;
    padding: 2px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
}

/* ========== 分页控件 ========== */
.pagination {
    margin-top: 36px;
    padding: 24px 0;
    border-top: 1px solid #e2e8f0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
.pagination-info {
    font-size: 14px;
    color: var(--text-light);
}
.pagination-links {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    align-items: center;
}
.pagination .page-btn {
    display: inline-block;
    min-width: 40px;
    height: 38px;
    padding: 0 14px;
    line-height: 38px;
    text-align: center;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    background: #f1f5f9;
    color: #334155;
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.15s;
    cursor: pointer;
}
.pagination .page-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: #e0f2fe;
    box-shadow: 0 2px 6px rgba(14, 165, 233, 0.25);
}
.pagination .page-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(14, 165, 233, 0.35);
}

.btn-more {
    display: inline-block;
    margin-top: 32px;
    padding: 10px 32px;
    background: var(--primary);
    color: #fff !important;
    border-radius: 24px;
    font-size: 14px;
    transition: all 0.2s;
}
.btn-more:hover { background: var(--primary-dark); transform: translateY(-2px); }

/* ========== 文章详情 ========== */
.article-detail { max-width: 860px; margin: 0 auto; }
.article-header { text-align: center; margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.article-cat-large {
    display: inline-block;
    background: #e0f2fe;
    color: var(--primary);
    font-size: 14px;
    padding: 4px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
}
.article-header h1 { font-size: 26px; color: var(--dark); margin-bottom: 16px; line-height: 1.5; }
.article-meta { display: flex; justify-content: center; gap: 24px; font-size: 14px; color: var(--text-light); }
.article-body { font-size: 15px; line-height: 2; color: var(--text); }
.article-body h2 { font-size: 20px; margin: 28px 0 16px; color: var(--dark); padding-left: 12px; border-left: 4px solid var(--primary); }
.article-body h3 { font-size: 17px; margin: 20px 0 12px; color: var(--dark-3); }
.article-body p { margin-bottom: 16px; }
.article-body ul, .article-body ol { margin: 12px 0 16px 24px; }
.article-body li { margin-bottom: 6px; }
.article-body table { width: 100%; border-collapse: collapse; margin: 16px 0; font-size: 14px; }
.article-body table th { background: var(--primary); color: #fff; padding: 10px 14px; text-align: center; }
.article-body table td { padding: 10px 14px; border: 1px solid var(--border); text-align: center; }
.article-body table tbody tr:nth-child(even) { background: var(--gray-light); }
.article-body strong { color: var(--primary); }
.article-cta {
    background: linear-gradient(135deg, #e0f2fe, #f0f9ff);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    margin: 40px 0;
}
.article-cta h3 { font-size: 20px; margin-bottom: 8px; color: var(--dark); }
.article-cta p { font-size: 14px; color: var(--text-light); margin-bottom: 16px; }
.related-articles { margin-top: 40px; }
.related-articles h3 { font-size: 20px; margin-bottom: 20px; color: var(--dark); }
.related-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.related-item {
    background: var(--gray-light);
    border-radius: var(--radius-sm);
    padding: 20px;
    color: var(--text);
    transition: all 0.2s;
    display: block;
}
.related-item:hover { background: #fff; box-shadow: var(--shadow); color: var(--text); }
.related-cat { display: inline-block; background: #e0f2fe; color: var(--primary); font-size: 12px; padding: 2px 8px; border-radius: 4px; margin-bottom: 8px; }
.related-item h4 { font-size: 15px; margin-bottom: 8px; line-height: 1.5; }
.related-date { font-size: 12px; color: var(--text-light); }

/* ========== 特性列表 ========== */
.feature-list { list-style: none; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.feature-list li { padding: 10px 16px; background: var(--gray-light); border-radius: 6px; font-size: 14px; color: var(--dark-3); }
.feature-list li::before { content: '\2713 '; color: var(--success); font-weight: bold; }
.brand-slogan-text { font-size: 18px; font-weight: 700; color: var(--primary); text-align: center; padding: 20px; background: var(--gray-light); border-radius: var(--radius-sm); margin-top: 20px; }

/* ========== 底部导航 ========== */
.footer-nav { background: var(--dark-2); padding: 40px 0; }
.footer-nav-title { color: #fff; font-size: 18px; text-align: center; margin-bottom: 24px; }
.province-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.province-link {
    color: #94a3b8;
    font-size: 13px;
    padding: 6px 14px;
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 4px;
    transition: all 0.2s;
}
.province-link:hover { color: #fff; background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.25); }

/* ========== 底部 ========== */
.site-footer { background: var(--dark); color: #94a3b8; padding: 48px 0 20px; }
.footer-content { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 32px; margin-bottom: 30px; }
.footer-col h3 { color: #fff; font-size: 16px; margin-bottom: 14px; }
.footer-col p { font-size: 13px; line-height: 1.8; margin-bottom: 8px; }
.footer-col a { color: #94a3b8; font-size: 13px; }
.footer-col a:hover { color: #fff; }
.footer-col-brand .footer-brand { margin-bottom: 12px; }
.footer-brand-name { display: block; font-size: 20px; font-weight: 800; color: #fff; }
.footer-brand-sub { display: block; font-size: 12px; color: var(--accent-light); }
.footer-slogan { font-size: 14px; color: #cbd5e1; font-style: italic; margin-bottom: 10px; }
.footer-contact { color: #94a3b8; }
.cert-item { font-size: 13px; color: #cbd5e1; margin-bottom: 6px; }
.disclaimer { font-size: 12px; color: #64748b; padding: 10px; background: rgba(255,255,255,0.04); border-radius: 4px; margin-top: 10px; line-height: 1.6; }
.footer-bottom { text-align: center; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.08); font-size: 13px; color: #64748b; }
.footer-icp { margin-top: 6px; font-size: 12px; }
.footer-icp a { color: #64748b; text-decoration: none; transition: color .2s; }
.footer-icp a:hover { color: #38bdf8; }

/* ========== 悬浮按钮 ========== */
.float-contact { position: fixed; right: 20px; bottom: 80px; z-index: 999; display: flex; flex-direction: column; gap: 10px; }
.float-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--primary);
    color: #fff;
    padding: 12px 18px;
    border-radius: 30px;
    font-size: 14px;
    box-shadow: 0 4px 12px rgba(14,165,233,0.4);
    transition: all 0.2s;
}
.float-btn:hover { transform: scale(1.05); }
.float-icon { font-size: 18px; }
.float-quote { background: var(--accent); box-shadow: 0 4px 12px rgba(245,158,11,0.4); }
.float-quote:hover { background: var(--accent-light); }
.float-wechat { background: #07c160; box-shadow: 0 4px 12px rgba(7,193,96,0.4); }
.float-wechat:hover { background: #06ad56; }

/* ========== 询价弹窗 ========== */
.quote-modal-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
}
.quote-modal-overlay.active { display: flex; }
.quote-modal {
    background: #fff;
    border-radius: 16px;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.3s ease;
}
@keyframes modalIn {
    from { opacity: 0; transform: translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}
.quote-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 28px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-radius: 16px 16px 0 0;
}
.quote-modal-header h2 { color: #fff; font-size: 20px; }
.quote-modal-close {
    background: none;
    border: none;
    color: #fff;
    font-size: 28px;
    cursor: pointer;
    line-height: 1;
}
.quote-modal-body { padding: 28px; }
.quote-modal-tip { font-size: 14px; color: var(--text-light); margin-bottom: 20px; text-align: center; }

/* ========== 微信二维码弹窗 ========== */
.wechat-modal {
    max-width: 380px;
    width: 90%;
}
.wechat-modal-body {
    padding: 28px 24px;
    text-align: center;
}
.wechat-qr-wrap {
    display: flex;
    justify-content: center;
    margin-bottom: 16px;
    padding: 12px;
    background: #f8fafc;
    border-radius: 8px;
    border: 1px solid #e2e8f0;
}
.wechat-qr {
    width: 240px;
    height: 240px;
    object-fit: contain;
    display: block;
}
.wechat-tip {
    font-size: 15px;
    color: var(--dark);
    font-weight: 600;
    margin-bottom: 14px;
}
.wechat-id-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 14px;
    background: #f1f5f9;
    border-radius: 6px;
    margin-bottom: 12px;
}
.wechat-id-label {
    font-size: 14px;
    color: var(--text-light);
}
.wechat-id-value {
    font-size: 15px;
    color: var(--primary);
    font-weight: 700;
    letter-spacing: 0.5px;
}
.btn-copy-wechat {
    background: var(--primary);
    color: #fff;
    border: none;
    border-radius: 4px;
    padding: 4px 12px;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.2s;
}
.btn-copy-wechat:hover {
    background: var(--primary-dark);
}
.wechat-sub-tip {
    font-size: 12px;
    color: var(--text-light);
}

/* ========== 响应式 ========== */
@media (max-width: 992px) {
    .services-grid, .policies-grid, .cert-grid, .cases-grid,
    .demand-cards, .contact-cards, .related-list,
    .province-list, .city-grid { grid-template-columns: repeat(2, 1fr); }
    .service-points, .feature-list, .policy-mini-list { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr 1fr; }
    .quote-section-wrap { grid-template-columns: 1fr; }
    .hero h1 { font-size: 28px; }
    .page-header-inner { flex-direction: column; }
    .page-header-stats { width: 100%; justify-content: center; }
    .form-row-inline { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .top-bar { display: none; }
    .header-inner { flex-direction: column; gap: 10px; }
    .main-nav { justify-content: center; gap: 14px; flex-wrap: wrap; }
    .hero-slider { height: 380px; }
    .hero h1 { font-size: 22px; }
    .hero-slogan { font-size: 15px; }
    .hero-actions { flex-direction: column; }
    .hero-actions a { text-align: center; }
    .stat-num { font-size: 24px; }
    .section-title { font-size: 22px; }
    .content-block { padding: 20px; }
    .content-block h2 { font-size: 18px; }
    .services-grid, .policies-grid, .cert-grid, .cases-grid,
    .demand-cards, .contact-cards, .related-list,
    .province-list, .city-grid { grid-template-columns: 1fr; }
    .footer-content { grid-template-columns: 1fr; }
    .float-contact { right: 10px; bottom: 40px; }
    .float-text { display: none; }
    .page-header-stats { flex-direction: column; gap: 12px; }
    .phs-item { width: 100%; }
}