/* ===== 基础重置与变量 ===== */
:root {
    --primary: #1a5276;
    --primary-light: #2980b9;
    --primary-dark: #0e3a55;
    --accent: #e67e22;
    --accent-light: #f39c12;
    --text-dark: #2c3e50;
    --text-body: #555;
    --text-light: #888;
    --bg-light: #f8f9fa;
    --bg-gray: #ecf0f1;
    --white: #fff;
    --shadow: 0 2px 20px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 30px rgba(0,0,0,0.15);
    --radius: 8px;
    --transition: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    color: var(--text-body);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== 按钮 ===== */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}
.btn-primary { background: var(--accent); color: var(--white); border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-light); border-color: var(--accent-light); transform: translateY(-2px); box-shadow: 0 5px 15px rgba(230,126,34,0.4); }
.btn-outline { background: transparent; color: var(--white); border-color: var(--white); }
.btn-outline:hover { background: var(--white); color: var(--primary); transform: translateY(-2px); }
.btn-outline-dark { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline-dark:hover { background: var(--primary); color: var(--white); transform: translateY(-2px); }
.btn-block { display: block; width: 100%; text-align: center; }
.btn-sm { padding: 8px 24px; font-size: 14px; }

/* ===== 顶部信息栏 ===== */
.top-bar {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.85);
    font-size: 13px;
    padding: 8px 0;
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; }
.top-bar-left { display: flex; gap: 24px; }
.top-bar-left span, .top-bar-right span { display: flex; align-items: center; gap: 6px; }
.top-bar i { color: var(--accent); }

/* ===== 导航栏 ===== */
.header {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.06);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition);
}
.header.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.12); }
.header .container { display: flex; justify-content: space-between; align-items: center; height: 80px; }

.logo a { display: flex; flex-direction: row; align-items: center; gap: 12px; }
.logo-img { width: 52px; height: 52px; object-fit: contain; flex-shrink: 0; }
.logo-text { display: flex; flex-direction: column; align-items: flex-start; }
.logo h1 { font-size: 26px; color: var(--primary); font-weight: 800; line-height: 1.2; letter-spacing: 2px; }
.logo h1 span { color: var(--accent); }
.logo-sub { font-size: 11px; color: var(--text-light); letter-spacing: 1px; }

/* 导航+电话布局 */
.header-right { display: flex; align-items: center; gap: 24px; }

.nav ul { display: flex; gap: 4px; }
.nav ul li a {
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-dark);
    border-radius: 4px;
    position: relative;
}
.nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0; left: 50%; transform: translateX(-50%);
    width: 0; height: 2px;
    background: var(--accent);
    transition: var(--transition);
}
.nav ul li a:hover, .nav ul li a.active { color: var(--primary); }
.nav ul li a:hover::after, .nav ul li a.active::after { width: 60%; }

/* 导航下拉 */
.nav ul li { position: relative; }
.nav ul li .dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 180px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.12);
    border-radius: 0 0 var(--radius) var(--radius);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
    padding: 8px 0;
}
.nav ul li:hover .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.nav ul li .dropdown a {
    display: block;
    padding: 10px 20px;
    font-size: 14px;
    color: var(--text-body);
    border-bottom: none;
}
.nav ul li .dropdown a::after { display: none; }
.nav ul li .dropdown a:hover { background: var(--bg-light); color: var(--accent); padding-left: 24px; }

/* 头部电话按钮 - 醒目 */
.header-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--accent);
    color: var(--white);
    padding: 10px 22px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 17px;
    white-space: nowrap;
    transition: var(--transition);
    animation: phonePulse 2s infinite;
}
.header-phone:hover { background: var(--accent-light); transform: scale(1.05); }
.header-phone i { font-size: 18px; }

@keyframes phonePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(230,126,34,0.5); }
    50% { box-shadow: 0 0 0 8px rgba(230,126,34,0); }
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}
.nav-toggle span { display: block; width: 25px; height: 3px; background: var(--text-dark); border-radius: 2px; transition: var(--transition); }

/* ===== Hero 区域 ===== */
.hero {
    position: relative;
    height: 560px;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 560"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.03)" stroke-width="1"/></pattern></defs><rect width="100%25" height="100%25" fill="url(%23grid)"/><circle cx="200" cy="300" r="200" fill="rgba(255,255,255,0.02)"/><circle cx="1100" cy="150" r="300" fill="rgba(255,255,255,0.02)"/><circle cx="800" cy="450" r="150" fill="rgba(255,255,255,0.015)"/></svg>');
    background-size: cover;
}
.hero-slider { position: relative; height: 100%; }
.hero-slide {
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    display: flex; align-items: center;
    opacity: 0; transition: opacity 0.8s ease;
}
.hero-slide.active { opacity: 1; }
.hero-content { max-width: 700px; color: var(--white); position: relative; z-index: 2; }
.hero-content h2 { font-size: 44px; font-weight: 800; margin-bottom: 20px; line-height: 1.3; text-shadow: 0 2px 10px rgba(0,0,0,0.2); }
.hero-content p { font-size: 18px; margin-bottom: 36px; opacity: 0.9; line-height: 1.8; }
.hero-btns { display: flex; gap: 16px; }
.hero-dots { position: absolute; bottom: 30px; left: 50%; transform: translateX(-50%); display: flex; gap: 10px; z-index: 10; }
.dot { width: 12px; height: 12px; border-radius: 50%; background: rgba(255,255,255,0.4); cursor: pointer; transition: var(--transition); }
.dot.active { background: var(--accent); transform: scale(1.2); }

/* ===== 页面顶部横幅 (子页面) ===== */
.page-banner {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
    padding: 80px 0 60px;
    text-align: center;
    color: var(--white);
    position: relative;
}
.page-banner::before {
    content: '';
    position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 300"><defs><pattern id="grid" width="40" height="40" patternUnits="userSpaceOnUse"><path d="M 40 0 L 0 0 0 40" fill="none" stroke="rgba(255,255,255,0.04)" stroke-width="1"/></pattern></defs><rect width="100%25" height="100%25" fill="url(%23grid)"/></svg>');
}
.page-banner h2 { font-size: 36px; font-weight: 700; margin-bottom: 12px; position: relative; }
.page-banner p { font-size: 16px; opacity: 0.85; position: relative; }
.breadcrumb { margin-top: 16px; font-size: 14px; opacity: 0.7; position: relative; }
.breadcrumb a { color: var(--white); opacity: 0.8; }
.breadcrumb a:hover { opacity: 1; }
.breadcrumb span { margin: 0 8px; }

/* ===== 数据统计 ===== */
.stats { background: var(--white); padding: 50px 0; margin-top: -40px; position: relative; z-index: 10; }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 30px; background: var(--white); border-radius: var(--radius); box-shadow: var(--shadow); padding: 40px; }
.stat-item { text-align: center; }
.stat-number { font-size: 48px; font-weight: 800; color: var(--primary); line-height: 1; margin-bottom: 8px; }
.stat-number::after { content: '+'; font-size: 28px; color: var(--accent); }
.stat-label { font-size: 14px; color: var(--text-light); }

/* ===== 通用 Section 样式 ===== */
.section-header { text-align: center; margin-bottom: 50px; }
.section-header-left { text-align: left; }
.section-header h2 { font-size: 34px; color: var(--text-dark); font-weight: 700; margin-bottom: 12px; position: relative; display: inline-block; }
.section-header h2::after { content: ''; position: absolute; bottom: -8px; left: 50%; transform: translateX(-50%); width: 50px; height: 3px; background: var(--accent); border-radius: 2px; }
.section-header-left h2::after { left: 0; transform: none; }
.section-header p { font-size: 16px; color: var(--text-light); margin-top: 16px; }

/* ===== 服务项目 ===== */
.services { padding: 80px 0; background: var(--bg-light); }
.services-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 30px; }
.service-card {
    background: var(--white); border-radius: var(--radius); padding: 36px 30px;
    box-shadow: var(--shadow); transition: var(--transition); border-top: 3px solid transparent;
}
.service-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-hover); border-top-color: var(--accent); }
.service-icon { width: 70px; height: 70px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--primary-light)); display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.service-icon i { font-size: 28px; color: var(--white); }
.service-card h3 { font-size: 22px; color: var(--text-dark); margin-bottom: 12px; font-weight: 600; }
.service-card > p { font-size: 14px; color: var(--text-light); margin-bottom: 20px; line-height: 1.7; }
.service-list { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 20px; }
.service-list li { font-size: 13px; color: var(--text-body); padding-left: 16px; position: relative; }
.service-list li::before { content: ''; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.service-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary-light); font-size: 14px; font-weight: 500; }
.service-link:hover { color: var(--accent); gap: 10px; }

/* ===== 服务流程 ===== */
.process { padding: 80px 0; background: var(--white); }
.process-grid { display: flex; align-items: flex-start; justify-content: center; gap: 0; }
.process-step { text-align: center; padding: 20px; position: relative; flex: 1; }
.step-number { font-size: 48px; font-weight: 800; color: var(--bg-gray); position: absolute; top: 0; left: 50%; transform: translateX(-50%); z-index: 0; }
.step-icon { width: 80px; height: 80px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--primary-light)); display: flex; align-items: center; justify-content: center; margin: 20px auto 16px; position: relative; z-index: 1; }
.step-icon i { font-size: 30px; color: var(--white); }
.process-step h3 { font-size: 18px; color: var(--text-dark); margin-bottom: 8px; font-weight: 600; }
.process-step p { font-size: 13px; color: var(--text-light); }
.process-arrow { display: flex; align-items: center; padding-top: 55px; color: var(--accent); font-size: 20px; }

/* ===== 关于我们 ===== */
.about { padding: 80px 0; background: var(--bg-light); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-image-placeholder { width: 100%; height: 400px; background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light)); border-radius: var(--radius); display: flex; flex-direction: column; align-items: center; justify-content: center; color: rgba(255,255,255,0.8); gap: 16px; }
.about-image-placeholder i { font-size: 80px; }
.about-image-placeholder span { font-size: 24px; font-weight: 700; letter-spacing: 4px; }
.about-text p { font-size: 15px; line-height: 1.8; margin-bottom: 16px; color: var(--text-body); }
.about-features { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; margin-top: 30px; }
.about-feature { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 16px 8px; background: var(--white); border-radius: var(--radius); box-shadow: 0 2px 8px rgba(0,0,0,0.05); }
.about-feature i { font-size: 24px; color: var(--accent); }
.about-feature span { font-size: 13px; font-weight: 600; color: var(--text-dark); }

/* ===== 我们的优势 ===== */
.advantages { padding: 80px 0; background: var(--white); }
.advantages-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 30px; }
.advantage-card { text-align: center; padding: 40px 30px; border-radius: var(--radius); transition: var(--transition); border: 1px solid var(--bg-gray); }
.advantage-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: transparent; }
.advantage-icon { width: 80px; height: 80px; border-radius: 50%; background: linear-gradient(135deg, rgba(26,82,118,0.1), rgba(41,128,185,0.1)); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; transition: var(--transition); }
.advantage-card:hover .advantage-icon { background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
.advantage-icon i { font-size: 32px; color: var(--primary); transition: var(--transition); }
.advantage-card:hover .advantage-icon i { color: var(--white); }
.advantage-card h3 { font-size: 20px; color: var(--text-dark); margin-bottom: 12px; font-weight: 600; }
.advantage-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* ===== 财税资讯 ===== */
.news { padding: 80px 0; background: var(--bg-light); }
.news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 30px; }
.news-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.news-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.news-image { position: relative; height: 180px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); }
.news-image-placeholder { width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
.news-image-placeholder i { font-size: 50px; color: rgba(255,255,255,0.3); }
.news-date { position: absolute; bottom: 12px; right: 12px; background: var(--accent); color: var(--white); padding: 4px 12px; border-radius: 4px; font-size: 12px; }
.news-content { padding: 24px; }
.news-content h3 { font-size: 17px; color: var(--text-dark); margin-bottom: 10px; font-weight: 600; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-content p { font-size: 13px; color: var(--text-light); line-height: 1.7; margin-bottom: 16px; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.news-link { display: inline-flex; align-items: center; gap: 6px; color: var(--primary-light); font-size: 14px; font-weight: 500; }
.news-link:hover { color: var(--accent); gap: 10px; }

/* ===== 联系我们 ===== */
.contact { padding: 80px 0; background: var(--white); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
.contact-grid .section-header { margin-bottom: 28px; }
.contact-info { display: flex; flex-direction: column; }
.contact-item { display: flex; gap: 20px; align-items: flex-start; }
.contact-icon { width: 56px; height: 56px; min-width: 56px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--primary-light)); display: flex; align-items: center; justify-content: center; }
.contact-icon i { font-size: 20px; color: var(--white); }
.contact-detail h4 { font-size: 16px; color: var(--text-dark); margin-bottom: 4px; font-weight: 600; }
.contact-detail p { font-size: 14px; color: var(--text-body); line-height: 1.6; }

.contact-form-wrapper { }
.contact-form-wrapper h3 { font-size: 22px; color: var(--text-dark); margin-bottom: 24px; font-weight: 600; }
.contact-info-list { display: flex; flex-direction: column; gap: 20px; }
.contact-info-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-info-icon { width: 44px; height: 44px; border-radius: 50%; background: var(--primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-info-icon i { font-size: 16px; color: #fff; }
.contact-info-text h4 { font-size: 14px; color: var(--text-light); font-weight: 500; margin-bottom: 4px; }
.contact-info-text p { font-size: 15px; color: var(--text-dark); font-weight: 500; line-height: 1.6; margin: 0; }
.contact-info-text a { color: var(--text-dark); }
.contact-info-text a:hover { color: var(--accent); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 16px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 12px 16px; border: 1px solid #ddd; border-radius: var(--radius);
    font-size: 14px; color: var(--text-dark); background: var(--white); transition: var(--transition); font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(41,128,185,0.1); }
.form-group textarea { resize: vertical; min-height: 100px; }

/* ===== 子页面内容区 ===== */
.page-content { padding: 80px 0; }
.page-content.bg-light { background: var(--bg-light); }

/* 服务详情布局 */
.detail-intro { display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px; align-items: center; margin-bottom: 60px; }
.detail-intro-text h3 { font-size: 26px; color: var(--text-dark); margin-bottom: 16px; font-weight: 700; }
.detail-intro-text p { font-size: 15px; line-height: 1.8; margin-bottom: 12px; color: var(--text-body); }
.detail-intro-image { width: 100%; height: 320px; background: linear-gradient(135deg, var(--primary), var(--primary-light)); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; }
.detail-intro-image i { font-size: 80px; color: rgba(255,255,255,0.3); }
.detail-intro-content { display: grid; grid-template-columns: 1.2fr 1fr; gap: 50px; align-items: start; }
.detail-intro-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.detail-feature { display: flex; align-items: flex-start; gap: 14px; background: var(--bg-light); border-radius: var(--radius); padding: 18px 16px; }
.detail-feature > i { font-size: 22px; color: var(--primary-light); margin-top: 2px; flex-shrink: 0; }
.detail-feature h4 { font-size: 15px; color: var(--text-dark); font-weight: 600; margin-bottom: 4px; }
.detail-feature p { font-size: 13px; color: var(--text-light); line-height: 1.6; margin: 0; }

/* 服务项列表 */
.detail-items { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; margin-bottom: 60px; }
.detail-item { background: var(--white); border-radius: var(--radius); padding: 30px 24px; box-shadow: var(--shadow); transition: var(--transition); text-align: center; }
.detail-item:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.detail-item i { font-size: 36px; color: var(--primary-light); margin-bottom: 16px; display: block; }
.detail-item h4 { font-size: 18px; color: var(--text-dark); margin-bottom: 10px; font-weight: 600; }
.detail-item p { font-size: 13px; color: var(--text-light); line-height: 1.7; }

/* 流程时间线 */
.timeline { max-width: 700px; margin: 0 auto; }
.timeline-step { display: flex; gap: 24px; margin-bottom: 30px; position: relative; }
.timeline-step:last-child { margin-bottom: 0; }
.timeline-marker { width: 48px; min-width: 48px; height: 48px; border-radius: 50%; background: var(--primary); color: var(--white); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 18px; position: relative; z-index: 2; }
.timeline-step:not(:last-child) .timeline-marker::after { content: ''; position: absolute; top: 48px; left: 50%; transform: translateX(-50%); width: 2px; height: calc(100% + 30px - 48px); background: var(--bg-gray); z-index: 1; }
.timeline-body h4 { font-size: 17px; color: var(--text-dark); margin-bottom: 6px; font-weight: 600; padding-top: 10px; }
.timeline-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* 价格/套餐卡片 */
.pricing-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 30px; }
.pricing-card { background: var(--white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); text-align: center; }
.pricing-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); }
.pricing-card.featured { border: 2px solid var(--accent); position: relative; }
.pricing-card.featured::before { content: '推荐'; position: absolute; top: 16px; right: -28px; background: var(--accent); color: var(--white); padding: 4px 40px; font-size: 12px; transform: rotate(45deg); }
.pricing-header { background: var(--primary); color: var(--white); padding: 28px 20px; }
.pricing-card.featured .pricing-header { background: var(--accent); }
.pricing-header h3 { font-size: 22px; margin-bottom: 8px; }
.pricing-header .price { font-size: 36px; font-weight: 800; }
.pricing-header .price small { font-size: 14px; font-weight: 400; opacity: 0.8; }
.pricing-body { padding: 30px 24px; }
.pricing-body ul { margin-bottom: 24px; }
.pricing-body li { padding: 10px 0; border-bottom: 1px solid var(--bg-gray); font-size: 14px; color: var(--text-body); }
.pricing-body li:last-child { border-bottom: none; }
.pricing-body li i { color: var(--accent); margin-right: 8px; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--white); border-radius: var(--radius); margin-bottom: 12px; box-shadow: 0 1px 6px rgba(0,0,0,0.05); overflow: hidden; }
.faq-question { padding: 18px 24px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-size: 16px; font-weight: 600; color: var(--text-dark); transition: var(--transition); }
.faq-question:hover { color: var(--primary-light); }
.faq-question i { transition: var(--transition); color: var(--accent); }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.faq-answer-inner { padding: 0 24px 18px; font-size: 14px; color: var(--text-body); line-height: 1.8; }

/* CTA 横幅 */
.cta-banner { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); padding: 60px 0; text-align: center; color: var(--white); }
.cta-banner h2 { font-size: 30px; font-weight: 700; margin-bottom: 16px; }
.cta-banner p { font-size: 16px; opacity: 0.85; margin-bottom: 30px; }
.cta-banner .cta-phone { font-size: 32px; font-weight: 800; color: var(--accent); margin-bottom: 24px; display: block; }
.cta-banner .cta-phone i { margin-right: 10px; }
.cta-btns { display: flex; gap: 16px; justify-content: center; }

/* ===== Footer ===== */
.footer { background: var(--primary-dark); color: rgba(255,255,255,0.8); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 40px; }
.footer-about h3 { font-size: 24px; color: var(--white); margin-bottom: 16px; font-weight: 700; }
.footer-about h3 span { color: var(--accent); }
.footer-about p { font-size: 14px; line-height: 1.7; margin-bottom: 20px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,0.1); display: flex; align-items: center; justify-content: center; font-size: 18px; transition: var(--transition); }
.footer-social a:hover { background: var(--accent); color: var(--white); }
.footer-links h4, .footer-contact h4 { font-size: 17px; color: var(--white); margin-bottom: 20px; font-weight: 600; position: relative; padding-bottom: 10px; }
.footer-links h4::after, .footer-contact h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 30px; height: 2px; background: var(--accent); }
.footer-links ul { display: flex; flex-direction: column; gap: 10px; }
.footer-links li a { font-size: 14px; position: relative; padding-left: 14px; }
.footer-links li a::before { content: '\203A'; position: absolute; left: 0; color: var(--accent); font-weight: 700; }
.footer-links li a:hover { color: var(--accent); padding-left: 18px; }
.footer-contact p { font-size: 14px; margin-bottom: 12px; display: flex; gap: 8px; line-height: 1.6; }
.footer-contact i { color: var(--accent); margin-top: 3px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding: 20px 0; text-align: center; }
.footer-bottom p { font-size: 13px; color: rgba(255,255,255,0.5); }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--accent); }

/* ===== 浮动工具栏 ===== */
.float-tools { position: fixed; right: 20px; bottom: 30px; display: flex; flex-direction: column; gap: 10px; z-index: 999; }
.float-btn { width: 54px; height: 54px; border-radius: 50%; background: var(--primary); color: var(--white); display: flex; align-items: center; justify-content: center; box-shadow: 0 3px 15px rgba(0,0,0,0.2); transition: var(--transition); position: relative; }
.float-btn:hover { background: var(--accent); transform: scale(1.1); }
.float-btn i { font-size: 20px; }
.float-btn span { display: none; }

/* 浮动电话 - 特别醒目 */
.float-phone {
    width: auto;
    border-radius: 50px;
    padding: 0 20px 0 18px;
    gap: 8px;
    background: var(--accent);
    animation: phonePulse 2s infinite;
    font-weight: 700;
    font-size: 15px;
}
.float-phone span { display: inline; }
.float-phone:hover { background: var(--accent-light); }

#backToTop { opacity: 0; visibility: hidden; transition: var(--transition); }
#backToTop.show { opacity: 1; visibility: visible; }

/* 微信浮动按钮 */
.float-wechat { background: #07c160; }
.float-wechat:hover { background: #06ae56; }

/* 微信弹窗 */
.wechat-modal {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.5);
    align-items: center;
    justify-content: center;
}
.wechat-modal.show { display: flex; }
.wechat-modal-content {
    background: var(--white);
    border-radius: 12px;
    padding: 40px 36px;
    text-align: center;
    max-width: 360px;
    width: 90%;
    position: relative;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    animation: modalIn 0.3s ease;
}
@keyframes modalIn {
    from { opacity: 0; transform: scale(0.9) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}
.wechat-modal-close {
    position: absolute;
    top: 12px; right: 16px;
    font-size: 24px;
    color: var(--text-light);
    cursor: pointer;
    border: none;
    background: none;
    line-height: 1;
}
.wechat-modal-close:hover { color: var(--text-dark); }
.wechat-modal-content .wechat-icon { font-size: 48px; color: #07c160; margin-bottom: 16px; }
.wechat-modal-content h3 { font-size: 20px; color: var(--text-dark); margin-bottom: 8px; }
.wechat-modal-content p { font-size: 14px; color: var(--text-body); margin-bottom: 20px; }
.wechat-qr-placeholder {
    width: 200px; height: 200px;
    margin: 0 auto 20px;
    background: var(--bg-light);
    border: 2px dashed #ccc;
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
    font-size: 13px;
    gap: 8px;
}
.wechat-qr-placeholder i { font-size: 40px; }
.wechat-id { font-size: 18px; font-weight: 700; color: #07c160; letter-spacing: 1px; }

/* ===== CTA Section (子页面) ===== */
.cta-section { background: linear-gradient(135deg, var(--primary-dark), var(--primary)); padding: 60px 0; text-align: center; color: var(--white); }
.cta-section h2 { font-size: 30px; font-weight: 700; margin-bottom: 16px; }
.cta-section p { font-size: 16px; opacity: 0.85; margin-bottom: 30px; }
.cta-section .cta-phone { font-size: 32px; font-weight: 800; color: var(--accent); margin-bottom: 24px; display: block; }
.cta-section .cta-phone i { margin-right: 10px; }

/* ===== 核心团队 ===== */
.team-leader {
    display: flex;
    gap: 40px;
    align-items: flex-start;
    background: var(--white);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow);
    margin-bottom: 60px;
    border-left: 4px solid var(--accent);
}
.team-leader-avatar {
    width: 120px;
    min-width: 120px;
    height: 120px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
}
.team-leader-avatar i { font-size: 48px; color: rgba(255,255,255,0.85); }
.team-leader-info h3 {
    font-size: 24px;
    color: var(--text-dark);
    margin-bottom: 12px;
    font-weight: 700;
}
.team-leader-info h3 span {
    font-size: 14px;
    font-weight: 500;
    color: var(--accent);
    margin-left: 12px;
}
.team-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.team-tags span {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 500;
}
.team-highlights {
    list-style: none;
    padding: 0;
}
.team-highlights li {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.8;
    padding: 6px 0 6px 20px;
    position: relative;
}
.team-highlights li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
}
.team-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.team-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 30px 24px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}
.team-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}
.team-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}
.team-avatar i { font-size: 32px; color: rgba(255,255,255,0.85); }
.team-card h4 {
    font-size: 18px;
    color: var(--text-dark);
    margin-bottom: 4px;
    font-weight: 600;
}
.team-role {
    font-size: 14px;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 6px;
}
.team-exp {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 16px;
}
.team-exp i { margin-right: 4px; }
.team-card ul {
    text-align: left;
    list-style: none;
    padding: 0;
}
.team-card ul li {
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.7;
    padding: 4px 0 4px 16px;
    position: relative;
}
.team-card ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

/* ===== 实战案例 ===== */
.case-featured {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 60px;
}
.case-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 36px 32px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}
.case-card:hover {
    box-shadow: var(--shadow-hover);
}
.case-card-featured {
    border-left: 4px solid var(--accent);
}
.case-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}
.case-header h3 {
    font-size: 20px;
    color: var(--text-dark);
    font-weight: 700;
}
.case-tag {
    background: var(--accent);
    color: var(--white);
    padding: 2px 12px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 500;
}
.case-client {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 20px;
    width: 100%;
}
.case-body {}
.case-section {
    margin-bottom: 16px;
}
.case-section h4 {
    font-size: 15px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.case-section h4 i {
    color: var(--accent);
    font-size: 14px;
}
.case-section p,
.case-section ul {
    font-size: 14px;
    color: var(--text-body);
    line-height: 1.8;
}
.case-section ul {
    padding-left: 20px;
    list-style: disc;
}
.case-section ul li {
    margin-bottom: 4px;
}
.case-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-top: 16px;
}
.case-result-item {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
}
.case-result-item strong {
    font-size: 28px;
    font-weight: 800;
    color: var(--accent);
    display: block;
    line-height: 1.2;
}
.case-result-item span {
    font-size: 13px;
    color: var(--text-light);
    margin-top: 4px;
    display: block;
}
.case-mini {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px 24px;
    box-shadow: 0 1px 6px rgba(0,0,0,0.05);
}
.case-mini h4 {
    font-size: 15px;
    color: var(--text-dark);
    font-weight: 600;
    margin-bottom: 8px;
}
.case-mini p {
    font-size: 13px;
    color: var(--text-body);
    line-height: 1.7;
}

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

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .services-grid, .advantages-grid, .news-grid { grid-template-columns: repeat(2,1fr); }
    .footer-grid { grid-template-columns: repeat(2,1fr); }
    .stats-grid { grid-template-columns: repeat(2,1fr); gap: 20px; }
    .process-arrow { display: none; }
    .process-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 30px; }
    .detail-items { grid-template-columns: repeat(2,1fr); }
    .pricing-grid { grid-template-columns: repeat(2,1fr); }
    .detail-intro { grid-template-columns: 1fr; }
    .team-grid { grid-template-columns: repeat(2, 1fr); }
    .nav ul li .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; display: none; padding: 0; }
    .nav ul li:hover .dropdown { display: block; }
}

@media (max-width: 768px) {
    .top-bar { display: none; }
    .header .container { height: 65px; }
    .logo-img { width: 42px; height: 42px; }
    .logo h1 { font-size: 20px; }
    .header-phone { display: none; }
    .header-right { gap: 16px; }

    .nav {
        position: fixed; top: 65px; left: 0; right: 0;
        background: var(--white); box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        padding: 20px; transform: translateY(-120%); transition: var(--transition); z-index: 999;
        max-height: calc(100vh - 65px); overflow-y: auto;
    }
    .nav.open { transform: translateY(0); }
    .nav ul { flex-direction: column; gap: 0; }
    .nav ul li a { display: block; padding: 12px 16px; border-bottom: 1px solid var(--bg-gray); }
    .nav ul li .dropdown { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; display: none; padding: 0 0 0 16px; min-width: auto; }
    .nav ul li.dropdown-open .dropdown { display: block; }
    .nav ul li .dropdown a { padding: 10px 16px; }
    .nav-toggle { display: flex; }
    .nav-toggle.active span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

    .hero { height: 440px; }
    .hero-content h2 { font-size: 28px; }
    .hero-content p { font-size: 15px; }
    .hero-btns { flex-direction: column; gap: 12px; }
    .hero-btns .btn { text-align: center; }

    .services-grid, .advantages-grid, .news-grid, .detail-items, .pricing-grid { grid-template-columns: 1fr; }
    .about-grid, .contact-grid { grid-template-columns: 1fr; gap: 40px; }
    .team-leader { flex-direction: column; align-items: center; text-align: center; padding: 30px 24px; gap: 24px; }
    .team-leader-info h3 span { display: block; margin-left: 0; margin-top: 4px; }
    .team-highlights li { text-align: left; }
    .team-grid { grid-template-columns: 1fr; }
    .case-results { grid-template-columns: repeat(2, 1fr); }
    .cta-section .cta-phone { font-size: 24px; }
    .about-features { grid-template-columns: repeat(2,1fr); }
    .process-grid { grid-template-columns: 1fr; gap: 20px; }
    .form-row { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .section-header h2 { font-size: 26px; }
    .stat-number { font-size: 36px; }
    .stats-grid { padding: 30px 20px; }
    .page-banner { padding: 60px 0 40px; }
    .page-banner h2 { font-size: 28px; }

    .float-tools { right: 12px; bottom: 20px; }
    .float-btn { width: 46px; height: 46px; }
    .float-phone { width: auto; min-width: 138px; padding: 0 16px; font-size: 14px; }
    .cta-banner .cta-phone { font-size: 24px; }
    .cta-btns { flex-direction: column; align-items: center; }
}

@media (max-width: 480px) {
    .hero { height: 380px; }
    .hero-content h2 { font-size: 24px; }
    .stats-grid { grid-template-columns: repeat(2,1fr); }
    .about-image-placeholder { height: 250px; }
}