/* === Hero === */
.hero {
    position: relative; min-height: 510px;
    display: flex; align-items: center; justify-content: center;
    padding-top: 75px; overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.hero-mask { position: absolute; inset: 0; z-index: 1; }
.hero-mask img { width: 100%; height: 100%; object-fit: cover; }
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 1000px; padding: 0 20px; }
.hero-tag {
    display: inline-flex; align-items: center;
    background: #0068dd; border-radius: 4px;
    padding: 6px 20px; font-size: 16px; color: #fff; margin-bottom: 20px;
}
.hero-title {
    font-size: 40px; font-weight: 700; color: #fff;
    text-shadow: 0 4px 4px rgba(0,0,0,0.25); margin-bottom: 12px;
}
.hero-desc {
    font-size: 20px; line-height: 40px; color: #fff;
    text-shadow: 0 4px 4px rgba(0,0,0,0.25);
}

/* === Section Base === */
.section { padding: 64px 0; position: relative; }

/* === Company Info === */
.company-section { display: flex; gap: 48px; max-width: 1200px; margin: 0 auto; padding: 64px 40px; align-items: flex-start; }
.company-image { flex: 0 0 600px; }
.company-image img { width: 100%; border-radius: 16px; }
.company-text { flex: 1; }
.company-name {
    font-size: 28px; font-weight: 600; margin-bottom: 6px;
}
.company-name .gradient {
    background-image: url('../images/about-text-bg.webp');
    background-size: cover; background-position: center;
    background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.company-tags {
    font-size: 16px; letter-spacing: 0.36px; color: #000;
    margin-bottom: 12px; font-weight: 700;
}
.company-desc {
    font-size: 16px; line-height: 24px; color: #000;
    font-family: Poppins, sans-serif;
}
.company-desc p { margin-bottom: 0; text-indent: 2em; }

/* === Stats Row === */
.stats-row {
    display: flex; justify-content: center; gap: 48px;
    max-width: 1200px; margin: 0 auto; padding: 0 40px 48px;
}
.stat-item { text-align: center; min-width: 160px; }
.stat-number {
    font-size: 44px; font-weight: 700;
    background: linear-gradient(135deg, #00e5ff, #0068dd);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat-unit { color: #0068dd; font-size: 20px; font-weight: 700; display: inline; }
.stat-label { font-size: 20px; color: #000; line-height: 40px; }

/* === Culture === */
.culture-section { background: #f7faff; }
.culture-header { text-align: center; margin-bottom: 40px; }
.culture-header .title {
    font-size: 40px; font-weight: 700; letter-spacing: 2.4px;
    background: linear-gradient(180deg, #00e5ff, #0068dd);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    margin-bottom: 8px;
}
.culture-header .subtitle { font-size: 20px; color: #000; line-height: 40px; }
.culture-cards {
    display: flex; justify-content: center; gap: 24px;
    max-width: 1200px; margin: 0 auto; padding: 0 40px;
}
.culture-card {
    background: #fff; border-radius: 30px; padding: 30px 24px 24px;
    width: 336px; text-align: center;
    box-shadow: 0 0 15.2px 3px rgba(0,104,221,0.05);
}
.culture-card .icon { width: 60px; height: 60px; margin: 0 auto 12px; }
.culture-card .icon img { width: 100%; height: 100%; object-fit: contain; }
.culture-card .card-title {
    font-size: 28px; font-weight: 700; letter-spacing: 2px;
    background: linear-gradient(180deg, #00e5ff, #0068dd);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    margin-bottom: 8px;
}
.culture-card .card-desc {
    font-size: 16px; line-height: 28px; color: #444;
}

/* === Advantages (Dark bg) === */
.advantages-section {
    position: relative; overflow: hidden;
}
.advantages-bg {
    position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
}
.advantages-content {
    position: relative; min-height: 580px;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 48px 20px;
}
.advantages-header { text-align: center; margin-bottom: 24px; }
.advantages-header .tag {
    display: inline-block; background: rgba(255,255,255,0.2); border: 1px solid rgba(255,255,255,0.37);
    border-radius: 30px; padding: 4px 20px; font-size: 12px; color: #0068dd; margin-bottom: 12px;
}
.advantages-header .title {
    font-size: 40px; font-weight: 700; letter-spacing: 2.4px; color: #fff; margin-bottom: 8px;
}
.advantages-header .subtitle { font-size: 20px; color: #fff; line-height: 40px; }
.advantage-cards {
    display: flex; justify-content: center; gap: 24px; flex-wrap: wrap;
}
.advantage-card {
    background: rgba(255,255,255,0.16);
    border: 1px solid rgba(255,255,255,0.37);
    border-radius: 30px; padding: 28px 24px;
    width: 460px; max-width: 100%;
    box-shadow: 0 0 15.2px 3px rgba(0,0,0,0.05);
}
.advantage-card .card-head {
    display: flex; flex-direction: row; align-items: baseline; gap: 12px;
    margin-bottom: 8px;
}
.advantage-card .number {
    font-size: 44px; font-weight: 700; color: #fff;
}
.advantage-card .card-title {
    font-size: 28px; font-weight: 600; color: #fff;
}
.advantage-card .card-desc {
    font-size: 16px; line-height: 28px; color: #fff;
}

/* === Timeline === */
.timeline-section { background: #f7faff; }
.timeline-header { text-align: center; margin-bottom: 40px; }
.timeline-header .tag {
    display: inline-block; background: #e8f0fe; border: 1px solid #0068dd;
    border-radius: 30px; padding: 4px 20px; font-size: 12px; color: #0068dd; margin-bottom: 16px;
}
.timeline-header .title {
    font-size: 40px; font-weight: 700; letter-spacing: 2.4px;
    background-image: url('../images/about-timeline-bg.webp');
    background-size: cover; background-position: center;
    background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.timeline-wrapper {
    position: relative; max-width: 1200px; margin: 0 auto; padding: 0 40px;
}
.timeline-line {
    position: absolute; left: 50%; transform: translateX(-50%);
    width: 1px; top: 0; bottom: 0;
    background: linear-gradient(180deg, rgba(0,104,221,0) 0%, #0068dd 52.885%, rgba(0,104,221,0) 100%);
}
.timeline-item {
    display: flex; align-items: center; margin-bottom: 32px;
    position: relative;
}
.timeline-item:nth-child(odd) { flex-direction: row; }
.timeline-item:nth-child(even) { flex-direction: row-reverse; }
.timeline-item .card {
    background: #fff; border-radius: 30px; padding: 24px 20px;
    width: 48%; box-shadow: 1px 6px 20px 3px rgba(0,104,221,0.12);
}
.timeline-item .card .year {
    font-size: 20px; font-weight: 700;
    background-image: url('../images/about-text-2019.webp');
    background-size: cover; background-position: center;
    background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    margin-bottom: 6px;
}
.timeline-item .card .card-title {
    font-size: 16px; font-weight: 600; color: #000;
    margin-bottom: 4px;
}
.timeline-item .card .card-desc {
    font-size: 15px; line-height: 24px; color: #444;
}
.timeline-dot {
    position: absolute; left: 50%; transform: translateX(-50%);
    width: 27px; height: 27px; z-index: 2;
}
.timeline-dot img { width: 100%; height: 100%; }
.timeline-left .card { margin-right: auto; }
.timeline-right .card { margin-left: auto; }

/* === Contact === */
.contact-section {
    position: relative; overflow: hidden; padding: 64px 0;
}
.contact-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.contact-content { position: relative; z-index: 1; }
.contact-header { text-align: center; margin-bottom: 40px; }
.contact-header .tag {
    display: inline-block; background: #e8f0fe; border: 1px solid #0068dd;
    border-radius: 30px; padding: 4px 20px; font-size: 12px; color: #0068dd; margin-bottom: 16px;
}
.contact-header .title {
    font-size: 40px; font-weight: 700; letter-spacing: 2.4px;
    background: linear-gradient(180deg, #00e5ff, #0068dd);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
    margin-bottom: 8px;
}
.contact-header .subtitle { font-size: 20px; color: #000; line-height: 40px; }
.contact-cards {
    display: flex; justify-content: center; gap: 16px; flex-wrap: wrap;
    max-width: 1200px; margin: 0 auto; padding: 0 40px;
}
.contact-card {
    background: #fff; border-radius: 30px; padding: 20px 16px;
    width: 540px; max-width: 100%;
    display: flex; align-items: center; gap: 16px;
    box-shadow: 1px 6px 20px 3px rgba(0,104,221,0.12);
}
.contact-card .icon-bg {
    width: 78px; height: 78px; border-radius: 20px; flex-shrink: 0;
    background: linear-gradient(135deg, #00e5ff, #0068dd);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 1px 6px 20px 3px rgba(0,104,221,0.12);
}
.contact-card .icon-bg img { width: 46px; height: 46px; }
.contact-card .info .label {
    font-size: 16px; font-weight: 600; color: #000; margin-bottom: 4px;
}
.contact-card .info .value {
    font-size: 15px; line-height: 24px; color: #444;
}

/* === Responsive === */
@media (max-width: 1024px) {
    .company-section { flex-direction: column; }
    .company-image { flex: none; }
    .stats-row { gap: 24px; flex-wrap: wrap; }
    .advantage-card { width: 100%; max-width: 400px; }
    .timeline-item .card { width: 45%; }
    .hero-title { font-size: 32px; }
    .hero-desc { font-size: 18px; line-height: 32px; }
    .culture-card { width: 45%; }
}
@media (max-width: 768px) {
    .hero-title { font-size: 28px; }
    .culture-card { width: calc(50% - 12px); }
    .stats-row { flex-direction: row; flex-wrap: nowrap; justify-content: space-between; padding: 0 20px 48px; gap: 12px; }
    .stat-item { flex: 1; min-width: 0; }
    .stat-number { font-size: 26px; }
    .stat-label { font-size: 12px; line-height: 20px; }
    .advantages-content { position: relative; padding: 48px 20px; min-height: 0; }
    .advantages-header .title { font-size: 28px; }
    .advantage-cards { flex-direction: column; align-items: center; gap: 16px; width: 100%; max-width: 420px; margin: 0 auto; }
    .advantage-card { width: 100%; padding: 20px 18px; border-radius: 20px; }
    .advantage-card .card-head { gap: 10px; }
    .advantage-card .number { font-size: 28px; }
    .advantage-card .card-title { font-size: 20px; }
    .advantage-card .card-desc { font-size: 14px; line-height: 24px; }
    .timeline-item { flex-direction: column !important; }
    .timeline-item .card { width: 100%; margin-left: 40px; }
    .timeline-line { left: 20px; }
    .timeline-dot { left: 20px; }
    .contact-card {
        flex-direction: row; align-items: center; text-align: left;
        width: 100%; padding: 14px 14px; gap: 12px;
    }
    .contact-card .icon-bg { width: 44px; height: 44px; }
    .contact-card .icon-bg img { width: 24px; height: 24px; }
    .contact-card .info { min-width: 0; flex: 1; }
    .contact-card .info .label { font-size: 14px; }
    .contact-card .info .value { font-size: 12px; line-height: 18px; word-break: break-word; }
    .company-image { max-width: 100%; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 24px; }
    .hero-desc { font-size: 15px; line-height: 26px; }
    .hero-tag { font-size: 14px; padding: 4px 16px; }
    .section { padding: 48px 0; }
    .company-section { padding: 48px 16px; gap: 24px; }
    .company-name { font-size: 24px; }
    .company-desc { font-size: 14px; line-height: 22px; }
    .stats-row { padding: 0 12px 40px; gap: 8px; }
    .stat-item { flex: 1; min-width: 0; }
    .stat-number { font-size: 22px; }
    .stat-label { font-size: 11px; line-height: 18px; }
    .culture-header .title { font-size: 24px; }
    .culture-header .subtitle { font-size: 15px; }
    .culture-cards { flex-direction: column; padding: 0 16px; gap: 12px; }
    .culture-card {
        display: grid;
        grid-template-columns: 40px 1fr;
        gap: 0 12px;
        align-items: center;
        width: 100%;
        padding: 16px;
        text-align: left;
    }
    .culture-card .icon {
        grid-row: span 2;
        width: 40px; height: 40px;
        margin: 0;
        align-self: center;
    }
    .culture-card .card-title { font-size: 18px; margin-bottom: 2px; }
    .culture-card .card-desc { font-size: 13px; line-height: 20px; }
    .advantages-header .title { font-size: 24px; }
    .advantages-header .subtitle { font-size: 15px; line-height: 28px; }
    .advantages-content { padding: 40px 16px; min-height: auto; }
    .timeline-header .title { font-size: 24px; }
    .timeline-wrapper { padding: 0 16px; }
    .timeline-item .card { margin-left: 32px; width: calc(100% - 32px); padding: 16px 14px; }
    .timeline-line { left: 16px; }
    .timeline-dot { left: 16px; width: 22px; height: 22px; }
    .timeline-item .card .year { font-size: 18px; }
    .timeline-item .card .card-title { font-size: 15px; }
    .timeline-item .card .card-desc { font-size: 14px; line-height: 22px; }
    .contact-header .title { font-size: 24px; }
    .contact-header .subtitle { font-size: 15px; }
    .contact-cards { padding: 0 16px; gap: 12px; }
    .contact-card {
        width: 100%;
        padding: 12px 12px;
    }
    .contact-card .icon-bg { width: 40px; height: 40px; border-radius: 12px; flex-shrink: 0; }
    .contact-card .icon-bg img { width: 22px; height: 22px; }
    .contact-card .info { min-width: 0; flex: 1; }
    .contact-card .info .label { font-size: 13px; }
    .contact-card .info .value { font-size: 11px; line-height: 16px; word-break: break-word; }
}