/* ==========================================
   公司简介页面样式 - 鸿飞物流科技
   ========================================== */

/* ---- Reset & Base ---- */
.about-page {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC',
                 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: #333;
    overflow-x: hidden;
}

/* ---- Top Navigation ---- */
.about-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.06);
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.about-nav .nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: #1a365d;
    text-decoration: none;
}
.about-nav .nav-logo img {
    height: 36px;
    width: auto;
    border-radius: 6px;
}
.about-nav .nav-links {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-shrink: 1;
    min-width: 0;
}
.about-nav .nav-links a {
    padding: 6px 12px;
    color: #555;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.2s;
    white-space: nowrap;
}
.about-nav .nav-links a:hover,
.about-nav .nav-links a.active {
    color: #165dff;
    background: rgba(22,93,255,0.08);
}
.about-nav .nav-cta {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, #165dff, #1a365d);
    color: #fff !important;
    border-radius: 20px;
    font-weight: 600;
}
.about-nav .nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(22,93,255,0.3);
}

/* ---- Hero Section ---- */
.about-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 20px 80px;
    background: linear-gradient(135deg, #0a1628 0%, #1a365d 40%, #165dff 100%);
    overflow: hidden;
}
.about-hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(22,93,255,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.about-hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 0%, transparent 70%);
    border-radius: 50%;
}
.about-hero .hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}
.about-hero .hero-logo {
    width: 120px;
    height: 120px;
    border-radius: 24px;
    border: 3px solid rgba(255,255,255,0.2);
    margin-bottom: 32px;
    object-fit: cover;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}
.about-hero h1 {
    font-size: clamp(24px, 5vw, 48px);
    font-weight: 800;
    color: #fff;
    margin: 0 0 16px;
    letter-spacing: 2px;
    text-shadow: 0 2px 20px rgba(0,0,0,0.2);
    white-space: nowrap;
}
.about-hero .hero-tagline {
    font-size: 20px;
    color: rgba(255,255,255,0.8);
    margin: 0 0 40px;
    font-weight: 300;
    letter-spacing: 4px;
}
.about-hero .hero-scroll {
    display: inline-block;
    color: rgba(255,255,255,0.5);
    font-size: 14px;
    animation: bounce 2s infinite;
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* ---- Section Common ---- */
.about-section {
    padding: 80px 24px;
    max-width: 1100px;
    margin: 0 auto;
}
.about-section-alt {
    background: #f8fafc;
}
.about-section-dark {
    background: linear-gradient(135deg, #0a1628, #1a365d);
    color: #fff;
}
.section-header {
    text-align: center;
    margin-bottom: 56px;
}
.section-header .section-icon-wrap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: linear-gradient(135deg, #e8f0fe, #d0dfff);
    font-size: 28px;
    margin-bottom: 16px;
}
.section-header h2 {
    font-size: 32px;
    font-weight: 700;
    color: #1a365d;
    margin: 0 0 12px;
}
.section-header .section-subtitle {
    font-size: 16px;
    color: #888;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ---- Company Intro ---- */
.about-intro {
    display: flex;
    gap: 60px;
    align-items: center;
}
.about-intro .intro-image {
    flex: 0 0 400px;
    height: 320px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0,0,0,0.1);
    background: linear-gradient(135deg, #e8f0fe, #d0dfff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 80px;
    color: rgba(22,93,255,0.2);
}
.about-intro .intro-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.about-intro .intro-text {
    flex: 1;
}
.about-intro .intro-text p {
    font-size: 16px;
    line-height: 1.9;
    color: #555;
    margin: 0 0 16px;
}

/* ---- Feature Cards ---- */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card {
    background: #fff;
    border-radius: 16px;
    padding: 36px 28px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: all 0.3s ease;
    border: 1px solid #f0f0f0;
}
.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.1);
    border-color: #d0dfff;
}
.feature-card .card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    font-size: 22px;
    margin-bottom: 20px;
}
.feature-card .card-icon.blue { background: #e8f0fe; color: #165dff; }
.feature-card .card-icon.green { background: #e6f7e6; color: #00b42a; }
.feature-card .card-icon.orange { background: #fff3e6; color: #ff7d00; }
.feature-card .card-icon.purple { background: #f0e8ff; color: #7c3aed; }
.feature-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #1a365d;
    margin: 0 0 12px;
}
.feature-card p {
    font-size: 14px;
    line-height: 1.8;
    color: #666;
    margin: 0;
}

/* ---- Process / Timeline ---- */
.process-steps {
    display: flex;
    gap: 0;
    position: relative;
    padding: 40px 0;
}
.process-steps::before {
    content: '';
    position: absolute;
    top: 80px;
    left: 15%;
    right: 15%;
    height: 2px;
    background: linear-gradient(90deg, #165dff, #00b42a, #ff7d00);
}
.process-step {
    flex: 1;
    text-align: center;
    position: relative;
    padding: 0 12px;
}
.process-step .step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}
.process-step .step-number.step-1 { background: linear-gradient(135deg, #165dff, #1a365d); }
.process-step .step-number.step-2 { background: linear-gradient(135deg, #00b42a, #009a24); }
.process-step .step-number.step-3 { background: linear-gradient(135deg, #ff7d00, #e66a00); }
.process-step h4 {
    font-size: 16px;
    font-weight: 700;
    color: #1a365d;
    margin: 0 0 8px;
}
.process-step p {
    font-size: 13px;
    color: #888;
    margin: 0;
    line-height: 1.6;
}

/* ---- Highlights (一提一运一送) ---- */
.highlight-section {
    text-align: center;
}
.highlight-section .highlight-quote {
    font-size: 20px;
    line-height: 1.8;
    color: rgba(255,255,255,0.9);
    max-width: 700px;
    margin: 0 auto 48px;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    max-width: 800px;
    margin: 0 auto;
}
.stat-item {
    text-align: center;
    padding: 32px 16px;
    border-radius: 16px;
    background: rgba(255,255,255,0.08);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.1);
}
.stat-item .stat-value {
    font-size: 40px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
}
.stat-item .stat-value.up { color: #4ade80; }
.stat-item .stat-value.down { color: #f97316; }
.stat-item .stat-label {
    font-size: 16px;
    font-weight: 600;
    color: rgba(255,255,255,0.9);
    margin-bottom: 4px;
}
.stat-item .stat-desc {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
}

/* ---- Conclusion / Motto ---- */
.motto-section {
    text-align: center;
    padding: 100px 24px;
}
.motto-section .motto-icon {
    font-size: 48px;
    margin-bottom: 24px;
    display: block;
    opacity: 0.3;
}
.motto-section blockquote {
    font-size: 28px;
    font-weight: 700;
    color: #1a365d;
    margin: 0 0 16px;
    border: none;
    padding: 0;
}
.motto-section .motto-sub {
    font-size: 18px;
    color: #888;
    max-width: 500px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ---- Contact Section ---- */
.contact-section {
    padding: 80px 24px;
    text-align: center;
    background: #f8fafc;
}
.contact-section .contact-card {
    display: inline-block;
    background: #fff;
    border-radius: 20px;
    padding: 48px 64px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.06);
    border: 1px solid #f0f0f0;
    max-width: 500px;
}
.contact-section h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1a365d;
    margin: 0 0 8px;
}
.contact-section .contact-desc {
    font-size: 14px;
    color: #888;
    margin: 0 0 24px;
}
.contact-section .contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 40px;
    background: linear-gradient(135deg, #165dff, #1a365d);
    color: #fff;
    border: none;
    border-radius: 30px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
}
.contact-section .contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(22,93,255,0.3);
}

/* ---- Footer ---- */
.about-footer {
    text-align: center;
    padding: 32px 24px;
    background: #0a1628;
    color: rgba(255,255,255,0.4);
    font-size: 13px;
}
.about-footer .footer-links {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
}
.about-footer .footer-links a {
    color: rgba(255,255,255,0.5);
    text-decoration: none;
    font-size: 13px;
    transition: color 0.2s;
}
.about-footer .footer-links a:hover {
    color: #fff;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
    .about-nav .nav-links a {
        font-size: 13px;
        padding: 5px 10px;
    }
}
@media (max-width: 768px) {
    .about-nav {
        padding: 0 12px;
        height: 56px;
    }
    .about-nav .nav-logo {
        font-size: 15px;
    }
    .about-nav .nav-logo img {
        height: 30px;
    }
    .about-nav .nav-links {
        gap: 2px;
    }
    .about-nav .nav-links a {
        font-size: 12px;
        padding: 5px 8px;
    }
    .about-nav .nav-cta {
        padding: 5px 12px;
        font-size: 11px;
    }
    .about-hero .hero-tagline {
        font-size: 16px;
        letter-spacing: 2px;
    }
    .about-hero .hero-logo {
        width: 80px;
        height: 80px;
    }
    .about-section {
        padding: 48px 16px;
    }
    .section-header h2 {
        font-size: 24px;
    }
    .about-intro {
        flex-direction: column;
        gap: 24px;
    }
    .about-intro .intro-image {
        flex: none;
        width: 100%;
        height: 220px;
    }
    .feature-grid {
        grid-template-columns: 1fr;
    }
    .process-steps {
        flex-direction: column;
        gap: 32px;
        padding: 0;
    }
    .process-steps::before {
        display: none;
    }
    .process-step {
        display: flex;
        gap: 16px;
        text-align: left;
        align-items: flex-start;
    }
    .process-step .step-number {
        flex-shrink: 0;
    }
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    .stat-item .stat-value {
        font-size: 32px;
    }
    .contact-section .contact-card {
        padding: 32px 24px;
    }
    .about-hero {
        min-height: 80vh;
        padding: 100px 16px 60px;
    }
    .motto-section blockquote {
        font-size: 22px;
    }
}