/* ================= Hero 首屏 ================= */
.hero-section {
    background: linear-gradient(90deg, #f0f2f5 0%, #ffffff 60%, #ffffff 100%);
    padding: 80px 5%;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-container {
    max-width: 1400px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}
.hero-content { flex: 1; max-width: 600px; }
.hero-content h1 { font-size: 38px; color: #333; font-weight: 600; line-height: 1.4; margin-bottom: 20px; }
.hero-content h1 .highlight-text { color: #1e2b6b; }
.hero-content p { font-size: 16px; color: #666; line-height: 1.6; margin-bottom: 30px; }
.hero-list { list-style: none; margin-bottom: 40px; }
.hero-list li { display: flex; align-items: center; gap: 10px; font-size: 16px; color: #444; margin-bottom: 15px; }
.hero-list li svg { width: 18px; height: 18px; fill: #222; flex-shrink: 0; }
.hero-btn { font-size: 14px; padding: 16px 28px; letter-spacing: 1px; }
.hero-image { flex: 1; display: flex; justify-content: flex-end; }
.hero-image img { max-width: 100%; height: auto; object-fit: contain; }

/* ================= Capabilities ================= */
.capabilities-section {
    background-image: url('https://aimg8.dlssyht.cn/u/2327716/ev_user_module_content_tmp/2026_08_13/tmp1786583490_2327716_s.png');
    background-size: cover; background-position: center; padding: 80px 5%;
}
.capabilities-container { max-width: 1400px; margin: 0 auto; }
.section-header { text-align: center; max-width: 900px; margin: 0 auto 60px auto; }
.section-header h2 { font-size: 32px; color: #e66021; font-weight: 600; margin-bottom: 20px; }
.section-header p { font-size: 16px; color: #333; line-height: 1.6; }
.cards-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.card { background-color: #fff; box-shadow: 0 4px 15px rgba(0,0,0,0.05); display: flex; flex-direction: column; transition: transform 0.3s, box-shadow 0.3s; }
.card:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.1); }
.card-img { width: 100%; height: 250px; background-color: #f9f9f9; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.card-content { padding: 30px; display: flex; flex-direction: column; flex-grow: 1; }
.card-content h3 { font-size: 20px; color: #1a2b5c; font-weight: 600; margin-bottom: 20px; }
.card-list { list-style: none; margin-bottom: 30px; flex-grow: 1; }
.card-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; color: #555; line-height: 1.5; margin-bottom: 15px; }
.card-list li svg { width: 16px; height: 16px; fill: #1e2b6b; flex-shrink: 0; margin-top: 2px; }
.btn-learn-more { font-size: 13px; padding: 12px 24px; letter-spacing: 1px; align-self: flex-start; }

/* ================= About ================= */
.about-section { background-color: #fff; padding: 100px 5%; }
.about-container { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 80px; }
.about-content { flex: 1; max-width: 500px; }
.about-content h2 { font-size: 28px; color: #1a1a1a; font-weight: 700; text-transform: uppercase; margin-bottom: 30px; }
.about-content p { font-size: 16px; color: #555; line-height: 1.8; margin-bottom: 40px; }
.about-image { flex: 1; display: flex; justify-content: flex-end; }
.about-image img { width: 100%; max-width: 650px; height: auto; object-fit: cover; box-shadow: 0 10px 30px rgba(0,0,0,0.08); }

/* ================= Numbers ================= */
.numbers-section {
    position: relative;
    background-image: url('https://aimg8.dlssyht.cn/u/2327716/ev_user_module_content_tmp/2026_08_13/tmp1786586635_2327716_s.png');
    background-size: cover; background-position: center; padding: 100px 5%;
    text-align: center; color: #fff;
}
.numbers-section::before { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: rgba(10,25,50,0.7); z-index: 1; }
.numbers-container { position: relative; z-index: 2; max-width: 1400px; margin: 0 auto; }
.numbers-title { font-size: 24px; font-weight: 600; letter-spacing: 1px; margin-bottom: 60px; text-transform: uppercase; }
.stats-grid { display: flex; justify-content: space-around; flex-wrap: wrap; gap: 30px; }
.stat-item { flex: 1; min-width: 200px; display: flex; flex-direction: column; align-items: center; }
.stat-number { font-size: 52px; font-weight: 700; line-height: 1; margin-bottom: 15px; letter-spacing: -1px; }
.stat-label { font-size: 16px; color: #d1d5db; font-weight: 400; }

/* ================= Expertise ================= */
.expertise-section { background-color: #fff; padding: 100px 5%; }
.expertise-container { max-width: 1400px; margin: 0 auto; }
.expertise-header { text-align: center; max-width: 900px; margin: 0 auto 60px auto; }
.expertise-header h2 { font-size: 32px; color: #e66021; font-weight: 600; margin-bottom: 20px; }
.expertise-header p { font-size: 16px; color: #333; line-height: 1.6; }
.expertise-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; }
.expertise-card { background-color: #fff; border: 1px solid #f0f0f0; box-shadow: 0 4px 20px rgba(0,0,0,0.04); display: flex; flex-direction: column; overflow: hidden; }
.expertise-card-img { width: 100%; height: 300px; overflow: hidden; }
.expertise-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.expertise-card:hover .expertise-card-img img { transform: scale(1.05); }
.expertise-card-content { padding: 30px; background-color: #fff; }
.expertise-card-content h3 { font-size: 20px; color: #1a2b5c; font-weight: 600; margin-bottom: 15px; }
.expertise-card-content p { font-size: 16px; color: #555; line-height: 1.8; }

/* ================= 响应式 ================= */
@media screen and (max-width: 992px) {
    .hero-section { padding: 60px 20px; min-height: auto; }
    .hero-container { flex-direction: column-reverse; text-align: center; gap: 40px; }
    .hero-content { max-width: 100%; }
    .hero-content h1 { font-size: 28px; }
    .hero-list { display: inline-block; text-align: left; margin: 0 auto 30px auto; }
    .hero-image { justify-content: center; width: 100%; }
    .hero-image img { max-width: 90%; }
    .cards-grid { grid-template-columns: repeat(2, 1fr); }
    .about-container { flex-direction: column-reverse; gap: 40px; text-align: center; }
    .about-content { max-width: 100%; }
    .about-image { justify-content: center; width: 100%; }
    .about-image img { max-width: 100%; }
    .numbers-title { font-size: 20px; margin-bottom: 40px; }
    .stat-item { flex: 1 1 40%; }
    .stat-number { font-size: 40px; }
    .expertise-grid { grid-template-columns: 1fr; gap: 30px; }
    .expertise-card-img { height: 250px; }
    .expertise-header h2 { font-size: 26px; }
}
@media screen and (max-width: 768px) {
    .capabilities-section { padding: 50px 20px; }
    .section-header h2 { font-size: 26px; }
    .cards-grid { grid-template-columns: 1fr; gap: 20px; }
    .card-img { height: 200px; }
    .about-section { padding: 60px 20px; }
    .stat-item { flex: 1 1 100%; }
    .stat-number { font-size: 36px; }
    .expertise-section { padding: 60px 20px; }
    .expertise-card-content { padding: 20px; }
    .expertise-card-img { height: 200px; }
}