/**
 * 关于我们专题 /page/?slug=about
 * 深空蓝 + 金色点缀，与 front.css 变量一致
 */

.about-page { background: var(--bg); }

.about-hero {
    padding: 56px 0 64px;
    background:
        radial-gradient(ellipse 80% 60% at 85% 20%, rgba(201, 162, 39, .18) 0%, transparent 55%),
        radial-gradient(ellipse 50% 40% at 10% 80%, rgba(59, 130, 246, .2) 0%, transparent 50%),
        linear-gradient(145deg, var(--dark) 0%, var(--primary-dark) 48%, #163a8a 100%);
}
.about-hero .breadcrumb { margin-bottom: 28px; }
.about-hero-main { max-width: 720px; position: relative; }
.about-hero-kicker {
    margin: 0 0 12px;
    font-size: 13px;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--accent-light);
    font-weight: 600;
}
.about-hero-brand {
    margin: 0;
    font-size: clamp(30px, 5vw, 46px);
    font-weight: 800;
    line-height: 1.2;
    color: #fff;
    letter-spacing: .02em;
}
.about-hero-lead {
    margin: 18px 0 0;
    font-size: 16px;
    line-height: 1.75;
    color: rgba(255, 255, 255, .82);
    max-width: 38em;
}
.about-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}
.about-hero-actions .btn-lg {
    padding: .7rem 1.4rem;
    font-weight: 600;
    border-radius: 10px;
}
.about-hero-actions .btn-outline-light:hover {
    background: rgba(255, 255, 255, .12);
    color: #fff;
}

.about-stats {
    margin-top: -28px;
    position: relative;
    z-index: 2;
    padding-bottom: 8px;
}
.about-stats-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}
.about-stats-list li {
    padding: 22px 16px;
    text-align: center;
    border-right: 1px solid var(--border);
}
.about-stats-list li:last-child { border-right: 0; }
.about-stats-list strong {
    display: block;
    font-size: clamp(20px, 2.4vw, 26px);
    font-weight: 800;
    color: var(--primary-dark);
    line-height: 1.2;
}
.about-stats-list span {
    display: block;
    margin-top: 6px;
    font-size: 13px;
    color: var(--text-muted);
}

.about-section { padding: 64px 0; }
.about-section-head {
    text-align: center;
    max-width: 560px;
    margin: 0 auto 40px;
}
.about-section-head h2 {
    margin: 0;
    font-size: clamp(22px, 3vw, 30px);
    font-weight: 800;
    color: var(--dark);
}
.about-section-head p {
    margin: 10px 0 0;
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
}

.about-profile { background: var(--white); }
.about-profile-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.about-profile-card {
    position: relative;
    padding: 28px 24px 24px;
    border-radius: var(--radius-lg);
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
    border: 1px solid var(--border);
    transition: border-color .2s, box-shadow .2s, transform .2s;
}
.about-profile-card:hover {
    border-color: rgba(26, 86, 219, .25);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}
.about-profile-num {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: rgba(26, 86, 219, .12);
    line-height: 1;
    margin-bottom: 12px;
}
.about-profile-card h3 {
    margin: 0 0 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
}
.about-profile-card p {
    margin: 0;
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-muted);
}

.about-pillars { background: var(--bg); }
.about-pillars-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}
.about-pillar-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 26px;
    border-top: 3px solid var(--pillar-accent, var(--primary));
    transition: box-shadow .2s, transform .2s;
}
.about-pillar-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}
.about-pillar-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #fff;
    background: var(--pillar-accent, var(--primary));
    margin-bottom: 16px;
}
.about-pillar-card h3 {
    margin: 0 0 10px;
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
}
.about-pillar-card > p {
    margin: 0;
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-muted);
}
.about-pillar-tags {
    list-style: none;
    margin: 16px 0 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.about-pillar-tags li {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 6px;
    background: #f1f5f9;
    color: var(--text-muted);
}
.about-pillar-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}
.about-pillar-link:hover { color: var(--primary-dark); }
.about-pillar-link i { transition: transform .2s; }
.about-pillar-link:hover i { transform: translateX(3px); }

.about-mission {
    padding: 48px 0;
    background:
        radial-gradient(ellipse 60% 80% at 0% 50%, rgba(201, 162, 39, .12) 0%, transparent 55%),
        linear-gradient(135deg, var(--dark) 0%, var(--primary-dark) 100%);
}
.about-mission-panel {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 28px;
    align-items: start;
    color: #fff;
}
.about-mission-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    background: rgba(201, 162, 39, .2);
    color: var(--accent-light);
    border: 1px solid rgba(201, 162, 39, .35);
}
.about-mission-body h2 {
    margin: 0 0 12px;
    font-size: clamp(20px, 2.5vw, 26px);
    font-weight: 800;
}
.about-mission-body > p {
    margin: 0;
    font-size: 15px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .82);
    max-width: 52em;
}
.about-mission-tags {
    list-style: none;
    margin: 22px 0 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.about-mission-tags li {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: 999px;
    font-size: 13px;
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .12);
    color: rgba(255, 255, 255, .9);
}
.about-mission-tags i { color: var(--accent-light); }

.about-timeline { background: var(--white); }
.about-timeline-list {
    list-style: none;
    margin: 0 auto;
    padding: 0;
    max-width: 720px;
    position: relative;
}
.about-timeline-list::before {
    content: "";
    position: absolute;
    left: 27px;
    top: 12px;
    bottom: 12px;
    width: 2px;
    background: linear-gradient(180deg, var(--primary), var(--border));
}
.about-timeline-list li {
    display: grid;
    grid-template-columns: 56px 1fr;
    gap: 18px;
    align-items: start;
    padding: 0 0 28px;
    position: relative;
}
.about-timeline-list li:last-child { padding-bottom: 0; }
.about-timeline-list time {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--white);
    border: 2px solid var(--primary);
    color: var(--primary-dark);
    font-weight: 800;
    font-size: 14px;
    position: relative;
    z-index: 1;
    box-shadow: 0 0 0 6px var(--white);
}
.about-timeline-list h3 {
    margin: 8px 0 6px;
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
}
.about-timeline-list p {
    margin: 0;
    font-size: 13px;
    line-height: 1.65;
    color: var(--text-muted);
}

.about-trust { background: var(--bg); }
.about-qual-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}
.about-qual-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px 18px;
    text-align: center;
    transition: box-shadow .2s, transform .2s;
}
.about-qual-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}
.about-qual-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 14px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    background: linear-gradient(135deg, rgba(26, 86, 219, .1), rgba(201, 162, 39, .12));
    color: var(--primary);
}
.about-qual-card h3 {
    margin: 0 0 8px;
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
}
.about-qual-card p {
    margin: 0;
    font-size: 13px;
    line-height: 1.6;
    color: var(--text-muted);
}

.about-industries { background: var(--white); padding-top: 48px; }
.about-industry-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 14px;
}
.about-industry-list li {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 22px 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
    transition: border-color .2s, box-shadow .2s;
}
.about-industry-list li:hover {
    border-color: rgba(26, 86, 219, .3);
    box-shadow: var(--shadow);
}
.about-industry-list i {
    font-size: 26px;
    color: var(--primary);
}
.about-industry-list span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
}

.about-cta {
    padding: 56px 0 72px;
    background:
        radial-gradient(ellipse 70% 80% at 100% 0%, rgba(201, 162, 39, .15) 0%, transparent 50%),
        linear-gradient(120deg, var(--dark) 0%, var(--primary-dark) 55%, var(--primary) 100%);
}
.about-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    flex-wrap: wrap;
    color: #fff;
}
.about-cta-inner h2 {
    margin: 0;
    font-size: clamp(20px, 2.8vw, 28px);
    font-weight: 800;
}
.about-cta-inner p {
    margin: 10px 0 0;
    font-size: 15px;
    color: rgba(255, 255, 255, .78);
    max-width: 36em;
}
.about-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: 10px;
    background: var(--accent);
    color: var(--dark);
    font-weight: 700;
    font-size: 15px;
    box-shadow: 0 8px 24px rgba(201, 162, 39, .35);
    transition: background .2s, transform .2s;
}
.about-cta-btn:hover {
    background: var(--accent-light);
    color: var(--dark);
    transform: translateY(-2px);
}
.about-cta-btn i { transition: transform .2s; }
.about-cta-btn:hover i { transform: translateX(3px); }

@media (max-width: 991.98px) {
    .about-stats-list { grid-template-columns: repeat(2, 1fr); }
    .about-stats-list li:nth-child(2) { border-right: 0; }
    .about-stats-list li:nth-child(1),
    .about-stats-list li:nth-child(2) { border-bottom: 1px solid var(--border); }
    .about-profile-grid { grid-template-columns: 1fr; }
    .about-pillars-grid { grid-template-columns: 1fr; }
    .about-qual-grid { grid-template-columns: repeat(2, 1fr); }
    .about-industry-list { grid-template-columns: repeat(3, 1fr); }
    .about-mission-panel { grid-template-columns: 1fr; }
}

@media (max-width: 575.98px) {
    .about-hero { padding: 40px 0 52px; }
    .about-stats { margin-top: -20px; }
    .about-section { padding: 48px 0; }
    .about-qual-grid { grid-template-columns: 1fr; }
    .about-industry-list { grid-template-columns: repeat(2, 1fr); }
    .about-cta-inner { flex-direction: column; align-items: flex-start; }
    .about-cta-btn { width: 100%; justify-content: center; }
}

/* H5 底栏留白 */
@media (max-width: 991.98px) {
    body.has-h5-tabbar .about-cta { padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px)); }
}