/* ==========================================================================
   ABOUT US - CLEAN & PROFESSIONAL (FIXED VERSION)
   ========================================================================== */

:root {
    --nz-green: #0A2A20;
    --nz-gold: #C5A059;
}

.about-hero {
    position: relative;
    padding: 160px 0 100px; /* 增加顶部 Padding 避开固定导航栏 */
    background: #000 url('../images/scene1.jpg') no-repeat center center;
    background-size: cover;
    color: #fff;
    text-align: center;
}

.about-hero::before {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(to bottom, rgba(10,42,32,0.7) 0%, rgba(10,42,32,0.9) 100%);
    z-index: 1;
}

.about-hero .container {
    position: relative;
    z-index: 2;
}

.about-hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    letter-spacing: -2px;
    margin-bottom: 1.5rem;
}

.about-hero .lead {
    font-size: 1.25rem;
    font-weight: 500;
    opacity: 0.9;
    letter-spacing: 1px;
    max-width: 800px;
    margin: 0 auto;
}

/* Intro Section */
.section-about-intro {
    padding: 100px 0;
    background: #fff;
}

.intro-content {
    max-width: 850px;
    margin: 0 auto;
}

.intro-content p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

/* Fleet Advantages */
.section-about-fleet {
    padding: 100px 0;
    background: #fdfdfb;
}

.fleet-list li {
    padding: 18px 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: #0A2A20;
    display: flex;
    align-items: center;
    gap: 15px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

.check-icon {
    color: var(--nz-gold);
}

/* Pillar Cards */
.pillar-card {
    background: #fff;
    padding: 45px 35px;
    border-radius: 12px;
    height: 100%;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(0,0,0,0.03);
    position: relative;
    box-shadow: 0 5px 15px rgba(0,0,0,0.02);
}

.pillar-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.pillar-num {
    font-size: 0.8rem;
    font-weight: 900;
    color: var(--nz-gold);
    margin-bottom: 20px;
    display: block;
    letter-spacing: 2px;
}

.pillar-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: #111;
    margin-bottom: 15px;
}

.pillar-desc {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #666;
}

/* KPI Stats */
.about-kpis {
    padding: 80px 0;
    background: #fdfdfb;
}

.kpi-val {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--nz-gold);
    line-height: 1;
    margin-bottom: 10px;
    letter-spacing: -1px;
}

.kpi-label {
    font-size: 0.85rem;
    font-weight: 800;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Reveal Helpers */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}