/* ==========================================
   居八戒家庭维修 - 企业官网样式
   简约大气 · 响应式设计
   ========================================== */

/* ===== CSS 变量 ===== */
:root {
    --primary: #1a3c5e;
    --primary-light: #2c5a8a;
    --primary-dark: #0f2841;
    --accent: #f7941e;
    --accent-light: #ffb04a;
    --accent-dark: #d97a00;
    --text-main: #2d2d2d;
    --text-muted: #6b7280;
    --text-light: #9ca3af;
    --bg-white: #ffffff;
    --bg-light: #f7f8fa;
    --bg-gray: #eef0f4;
    --border: #e5e7eb;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
    --max-width: 1200px;
}

/* ===== 基础重置 ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--text-main);
    background: var(--bg-white);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* ===== 通用容器 ===== */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 80px 0;
}

.section-light {
    background: var(--bg-light);
}

.section-title {
    text-align: center;
    margin-bottom: 12px;
}

.section-title h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.section-title p {
    font-size: 1.05rem;
    color: var(--text-muted);
}

.section-title .divider {
    width: 60px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
    margin: 16px auto 0;
}

/* ===== 顶部通知栏 ===== */
.top-bar {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.85rem;
    padding: 8px 0;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
}

.top-bar .top-info span {
    margin-right: 24px;
}

.top-bar .top-info i {
    color: var(--accent);
    margin-right: 6px;
}

.top-bar .top-social a {
    margin-left: 12px;
    opacity: 0.8;
    transition: var(--transition);
}

.top-bar .top-social a:hover {
    opacity: 1;
    color: var(--accent);
}

/* ===== 导航栏 ===== */
.navbar {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary);
    white-space: nowrap;
}

.nav-logo .logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.3rem;
    font-weight: 700;
    flex-shrink: 0;
}

.nav-logo .logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.3;
}

.nav-logo .logo-text .brand {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
}

.nav-logo .logo-text .sub {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 400;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-menu a {
    padding: 8px 18px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-main);
    border-radius: var(--radius);
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover {
    color: var(--accent);
    background: rgba(247, 148, 30, 0.08);
}

.nav-menu a.active {
    color: var(--accent);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 18px;
    right: 18px;
    height: 3px;
    background: var(--accent);
    border-radius: 2px;
}

.nav-cta {
    background: var(--accent);
    color: #fff !important;
    padding: 10px 24px !important;
    border-radius: var(--radius);
    font-weight: 600;
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--accent-dark) !important;
    color: #fff !important;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
}

.nav-toggle span {
    width: 24px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.nav-toggle.active span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ===== Hero 区域 ===== */
.hero {
    position: relative;
    min-height: 580px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    color: #fff;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(247, 148, 30, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -5%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    width: 100%;
}

.hero-content {
    flex: 1;
    max-width: 580px;
}

.hero-content .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(247, 148, 30, 0.2);
    border: 1px solid rgba(247, 148, 30, 0.4);
    color: var(--accent-light);
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 20px;
}

.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: 1px;
}

.hero-content h1 .highlight {
    color: var(--accent);
}

.hero-content .subtitle {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
    box-shadow: 0 4px 15px rgba(247, 148, 30, 0.35);
}

.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(247, 148, 30, 0.4);
}

.btn-outline {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
    transform: translateY(-2px);
}

.btn-dark {
    background: var(--primary);
    color: #fff;
}

.btn-dark:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

.hero-visual {
    flex: 0 0 380px;
    position: relative;
}

.hero-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(10px);
}

.hero-card h3 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-card h3 .icon {
    color: var(--accent);
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--bg-light);
    border-radius: var(--radius);
    transition: var(--transition);
}

.hero-feature:hover {
    background: var(--bg-gray);
    transform: translateX(4px);
}

.hero-feature .icon-circle {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1rem;
    flex-shrink: 0;
}

.hero-feature .text strong {
    display: block;
    font-size: 0.95rem;
    color: var(--text-main);
}

.hero-feature .text span {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ===== 数据统计 ===== */
.stats {
    background: var(--primary-dark);
    padding: 50px 0;
    color: #fff;
}

.stats .container {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 20px;
}

.stat-item {
    text-align: center;
    min-width: 160px;
}

.stat-item .number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-item .label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.75);
}

/* ===== 服务卡片网格 ===== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.service-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.service-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card .icon-box {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(26, 60, 94, 0.08), rgba(26, 60, 94, 0.03));
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: var(--transition);
}

.service-card:hover .icon-box {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
}

.service-card .icon-box .icon {
    font-size: 1.6rem;
    color: var(--primary);
    transition: var(--transition);
}

.service-card:hover .icon-box .icon {
    color: #fff;
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 16px;
}

.service-card .tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.service-card .tag {
    font-size: 0.75rem;
    color: var(--primary);
    background: rgba(26, 60, 94, 0.06);
    padding: 4px 10px;
    border-radius: 4px;
}

/* ===== 为什么选择我们 ===== */
.why-us {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.why-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.why-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.why-card .icon-wrap {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    background: linear-gradient(135deg, rgba(247, 148, 30, 0.1), rgba(247, 148, 30, 0.03));
}

.why-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
}

.why-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== 关于我们 - 简介区块 ===== */
.about-preview {
    display: flex;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
}

.about-preview .about-text {
    flex: 1;
    min-width: 300px;
}

.about-preview .about-text h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.about-preview .about-text .sub-title {
    font-size: 1rem;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 20px;
}

.about-preview .about-text p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.about-preview .about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 24px 0;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
}

.about-feature .check {
    width: 24px;
    height: 24px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 0.8rem;
    flex-shrink: 0;
}

.about-feature span {
    font-size: 0.9rem;
    color: var(--text-main);
    font-weight: 500;
}

.about-preview .about-visual {
    flex: 0 0 400px;
    position: relative;
}

.about-image-card {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-lg);
    padding: 48px 36px;
    color: #fff;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.about-image-card::before {
    content: '';
    position: absolute;
    top: -30px;
    right: -30px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(247, 148, 30, 0.2), transparent 70%);
    border-radius: 50%;
}

.about-image-card .big-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 4px;
}

.about-image-card .big-label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 24px;
}

.about-image-card .info-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.about-image-card .info-row:last-child {
    border-bottom: none;
}

.about-image-card .info-row .label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

.about-image-card .info-row .value {
    font-weight: 600;
    font-size: 0.85rem;
}

/* ===== CTA 区域 ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    text-align: center;
    padding: 70px 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(247, 148, 30, 0.12), transparent 70%);
    border-radius: 50%;
}

.cta-section .container {
    position: relative;
    z-index: 2;
}

.cta-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.cta-section p {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 32px;
}

/* ===== 页面通用 Banner ===== */
.page-banner {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: #fff;
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(247, 148, 30, 0.1), transparent 70%);
    border-radius: 50%;
}

.page-banner .container {
    position: relative;
    z-index: 2;
}

.page-banner h1 {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.page-banner p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
}

.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 16px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb a:hover {
    color: var(--accent);
}

.breadcrumb .separator {
    color: rgba(255, 255, 255, 0.3);
}

/* ===== 关于我们页面 ===== */
.about-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
}

.about-detail-text h2 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.about-detail-text .accent-line {
    width: 50px;
    height: 4px;
    background: var(--accent);
    border-radius: 2px;
    margin-bottom: 24px;
}

.about-detail-text p {
    color: var(--text-muted);
    line-height: 1.9;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.about-detail-visual {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-lg);
    padding: 40px;
    color: #fff;
    box-shadow: var(--shadow-lg);
}

.about-detail-visual .quote {
    font-size: 3rem;
    color: rgba(247, 148, 30, 0.4);
    line-height: 1;
    margin-bottom: 12px;
}

.about-detail-visual .quote-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 24px;
}

.about-detail-visual .quote-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.about-detail-visual .author-avatar {
    width: 48px;
    height: 48px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.1rem;
}

.about-detail-visual .author-info .name {
    font-weight: 600;
    font-size: 0.95rem;
}

.about-detail-visual .author-info .title {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== 发展历程 ===== */
.timeline {
    position: relative;
    max-width: 800px;
    margin: 48px auto 0;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--accent), var(--border));
}

.timeline-item {
    position: relative;
    padding-bottom: 40px;
}

.timeline-item:last-child {
    padding-bottom: 0;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -34px;
    top: 4px;
    width: 14px;
    height: 14px;
    background: var(--accent);
    border: 3px solid var(--bg-white);
    border-radius: 50%;
    box-shadow: 0 0 0 2px var(--accent);
}

.timeline-item .year {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 6px;
}

.timeline-item h4 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 6px;
}

.timeline-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== 企业理念 ===== */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.value-card {
    text-align: center;
    padding: 40px 28px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.value-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.value-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
}

.value-card:hover::after {
    transform: scaleX(1);
}

.value-card .value-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.value-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
}

.value-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== 服务详情页 ===== */
.service-detail-card {
    display: flex;
    gap: 24px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    margin-bottom: 24px;
}

.service-detail-card:hover {
    box-shadow: var(--shadow-lg);
}

.service-detail-card .card-visual {
    flex: 0 0 200px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    min-height: 200px;
}

.service-detail-card .card-visual .big-icon {
    font-size: 4rem;
    opacity: 0.9;
}

.service-detail-card:nth-child(even) .card-visual {
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
}

.service-detail-card .card-body {
    flex: 1;
    padding: 28px 32px;
}

.service-detail-card .card-body h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-detail-card .card-body h3 .price-tag {
    font-size: 0.8rem;
    background: rgba(247, 148, 30, 0.1);
    color: var(--accent-dark);
    padding: 3px 10px;
    border-radius: 4px;
    font-weight: 600;
}

.service-detail-card .card-body p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 12px;
}

.service-detail-card .feature-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-detail-card .feature-list li {
    font-size: 0.8rem;
    color: var(--primary);
    background: rgba(26, 60, 94, 0.05);
    padding: 4px 12px;
    border-radius: 4px;
}

/* ===== 流程步骤 ===== */
.process-steps {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 48px;
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 35px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--border));
    z-index: 0;
}

.step-item {
    flex: 1;
    min-width: 160px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-item .step-circle {
    width: 72px;
    height: 72px;
    margin: 0 auto 16px;
    background: var(--bg-white);
    border: 3px solid var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--accent);
    transition: var(--transition);
}

.step-item:hover .step-circle {
    background: var(--accent);
    color: #fff;
    transform: scale(1.05);
}

.step-item h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 6px;
}

.step-item p {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ===== 联系我们页面 ===== */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    margin-top: 48px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-info-item {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.contact-info-item:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.contact-info-item .icon-box {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.contact-info-item .info-text h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 4px;
}

.contact-info-item .info-text p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.contact-info-item .info-text a {
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition);
}

.contact-info-item .info-text a:hover {
    color: var(--accent);
}

/* ===== 联系表单 ===== */
.contact-form {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
}

.contact-form h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 6px;
}

.form-group label .required {
    color: var(--accent);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    color: var(--text-main);
    background: var(--bg-light);
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg-white);
    box-shadow: 0 0 0 3px rgba(247, 148, 30, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-message {
    padding: 12px 16px;
    border-radius: var(--radius);
    font-size: 0.85rem;
    margin-bottom: 16px;
    display: none;
}

.form-message.success {
    background: rgba(34, 197, 94, 0.1);
    color: #16a34a;
    border: 1px solid rgba(34, 197, 94, 0.2);
    display: block;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    color: #dc2626;
    border: 1px solid rgba(239, 68, 68, 0.2);
    display: block;
}

/* ===== 地图区域 ===== */
.map-section {
    margin-top: 40px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.map-section iframe {
    width: 100%;
    height: 360px;
    border: none;
    display: block;
}

/* ===== 服务区域列表 ===== */
.service-areas {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 24px;
}

.area-tag {
    padding: 8px 16px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 30px;
    font-size: 0.85rem;
    color: var(--text-main);
    transition: var(--transition);
    cursor: default;
}

.area-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(247, 148, 30, 0.05);
}

/* ===== FAQ ===== */
.faq-list {
    max-width: 800px;
    margin: 48px auto 0;
}

.faq-item {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: var(--accent);
}

.faq-question {
    padding: 18px 24px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
    user-select: none;
}

.faq-question .faq-icon {
    font-size: 1.2rem;
    color: var(--accent);
    transition: var(--transition);
}

.faq-item.open .faq-question .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 24px;
}

.faq-item.open .faq-answer {
    max-height: 300px;
    padding: 0 24px 18px;
}

.faq-answer p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== 页脚 ===== */
.footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-brand .logo .logo-icon {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.3rem;
    font-weight: 700;
}

.footer-brand .logo .brand-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
}

.footer-brand p {
    font-size: 0.85rem;
    line-height: 1.8;
    margin-bottom: 16px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}

.footer-col h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

.footer-col ul li a:hover {
    color: var(--accent);
    padding-left: 4px;
}

.footer-contact .contact-line {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-contact .contact-line .icon {
    color: var(--accent);
    font-size: 1rem;
    flex-shrink: 0;
}

.footer-contact .contact-line a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-contact .contact-line a:hover {
    color: var(--accent);
}

.footer-bottom {
    padding: 20px 0;
    text-align: center;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
    transition: var(--transition);
}

.footer-bottom a:hover {
    color: var(--accent);
}

/* ===== 回到顶部 ===== */
.back-to-top {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 48px;
    height: 48px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    border: none;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--accent);
    transform: translateY(-3px);
}

/* ===== 浮动客服按钮 ===== */
.float-contact {
    position: fixed;
    right: 24px;
    bottom: 84px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999;
}

.float-contact a {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    color: #fff;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
}

.float-contact a:hover {
    transform: scale(1.1);
}

.float-contact .phone {
    background: #16a34a;
}

.float-contact .wechat {
    background: #07c160;
}

.float-contact .qq {
    background: var(--accent);
}

.float-contact a .tooltip {
    position: absolute;
    right: 60px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary-dark);
    color: #fff;
    padding: 6px 14px;
    border-radius: var(--radius);
    font-size: 0.8rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    pointer-events: none;
}

.float-contact a:hover .tooltip {
    opacity: 1;
    visibility: visible;
}

/* ===== 动画 ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease forwards;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ===== 响应式 ===== */
@media (max-width: 992px) {
    .hero .container {
        flex-direction: column;
        text-align: center;
        padding-top: 60px;
        padding-bottom: 60px;
    }

    .hero-content {
        max-width: 100%;
    }

    .hero-visual {
        flex: 0 0 100%;
        max-width: 400px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .about-preview {
        flex-direction: column;
    }

    .about-preview .about-visual {
        flex: 0 0 100%;
        max-width: 400px;
        margin: 0 auto;
    }

    .about-detail {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 56px 0;
    }

    .section-title h2,
    .hero-content h1,
    .page-banner h1 {
        font-size: 1.8rem;
    }

    .top-bar .top-social {
        display: none;
    }

    .nav-menu {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--bg-white);
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        gap: 4px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        transition: transform 0.3s ease;
        max-height: calc(100vh - 72px);
        overflow-y: auto;
    }

    .nav-menu.active {
        transform: translateY(0);
    }

    .nav-menu a {
        padding: 14px 18px;
        border-radius: var(--radius);
    }

    .nav-menu a.active::after {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .nav-cta {
        text-align: center;
        margin-top: 8px;
    }

    .hero {
        min-height: auto;
        padding: 40px 0;
    }

    .hero-content h1 {
        font-size: 2rem;
    }

    .stats .container {
        gap: 32px;
    }

    .stat-item {
        min-width: 140px;
    }

    .stat-item .number {
        font-size: 2rem;
    }

    .about-preview .about-features {
        grid-template-columns: 1fr;
    }

    .service-detail-card {
        flex-direction: column;
    }

    .service-detail-card .card-visual {
        flex: 0 0 120px;
        min-height: 120px;
    }

    .service-detail-card .card-visual .big-icon {
        font-size: 3rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .process-steps {
        flex-direction: column;
        gap: 24px;
    }

    .process-steps::before {
        display: none;
    }

    .step-item {
        display: flex;
        align-items: center;
        gap: 16px;
        text-align: left;
    }

    .step-item .step-circle {
        margin: 0;
        width: 56px;
        height: 56px;
        font-size: 1.2rem;
    }

    .float-contact {
        right: 16px;
    }

    .back-to-top {
        right: 16px;
        bottom: 16px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero-content h1 {
        font-size: 1.6rem;
    }

    .hero-content .subtitle {
        font-size: 0.95rem;
    }

    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }

    .section-title h2 {
        font-size: 1.5rem;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 资讯板块 ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 40px;
}

.news-card {
    background: #fff;
    border-radius: 12px;
    padding: 28px 24px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid #f0f0f0;
    display: flex;
    flex-direction: column;
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.news-date {
    font-size: 0.8rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 12px;
}

.news-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    line-height: 1.5;
}

.news-card p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
}

.news-link {
    display: inline-block;
    color: var(--primary);
    font-size: 0.88rem;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s;
    margin-bottom: 12px;
}

.news-link:hover {
    color: var(--accent);
}

.news-tags {
    display: flex;
    gap: 6px;
}

/* 资讯筛选 */
.news-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
    margin-bottom: 16px;
}

.filter-btn {
    padding: 8px 20px;
    border: 2px solid var(--primary);
    background: transparent;
    color: var(--primary);
    border-radius: 30px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.25s ease;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: #fff;
}

@media (max-width: 768px) {
    .news-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== 小程序展示与二维码 ===== */
.miniapp-showcase {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border);
    text-align: center;
    transition: var(--transition);
    width: 100%;
}

.miniapp-showcase:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.miniapp-showcase .miniapp-screenshot {
    width: 100%;
    max-width: 280px;
    margin: 0 auto 16px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.miniapp-showcase .miniapp-screenshot img {
    width: 100%;
    display: block;
}

.miniapp-showcase h3 {
    font-size: 1.2rem;
    color: var(--primary);
    margin-bottom: 6px;
}

.miniapp-showcase p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 16px;
}

.miniapp-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
}

.miniapp-badges .badge-item {
    font-size: 0.78rem;
    color: var(--primary);
    background: rgba(26, 60, 94, 0.06);
    padding: 4px 10px;
    border-radius: 4px;
}

.qr-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    text-align: center;
    transition: var(--transition);
}

.qr-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--accent);
}

.qr-card .qr-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.qr-card .qr-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 18px;
}

.qr-code {
    width: 100%;
    max-width: 180px;
    margin: 0 auto;
    padding: 10px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border);
}

.qr-code img {
    width: 100%;
    display: block;
    border-radius: 6px;
}

.order-section {
    background: linear-gradient(135deg, var(--bg-light) 0%, #fff 100%);
    padding: 80px 0;
}

.order-section .section-title {
    margin-bottom: 16px;
}

.order-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    justify-items: center;
    margin-top: 48px;
}

.order-text h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 12px;
}

.order-text p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 20px;
}

.order-steps {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 28px;
}

.order-step {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    background: #fff;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}

.order-step:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.order-step .step-num {
    width: 32px;
    height: 32px;
    background: var(--accent);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.order-step .step-text {
    font-size: 0.95rem;
    color: var(--text-main);
    font-weight: 500;
}

.contact-qr-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 24px;
}

.order-grid.three-cols {
    grid-template-columns: repeat(3, 1fr);
    align-items: stretch;
}

.order-grid.three-cols .qr-card,
.order-grid.three-cols .miniapp-showcase {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

@media (max-width: 992px) {
    .order-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .order-grid.three-cols {
        grid-template-columns: 1fr;
    }

    .order-text .btn {
        margin: 0 auto;
    }

    .order-steps {
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 480px) {
    .contact-qr-grid {
        grid-template-columns: 1fr;
    }

    .qr-code {
        max-width: 160px;
    }
}