/* ==========================================================================
   关于我们 about.html 专属样式
   ========================================================================== */

/* ---------- 律所简介 ---------- */
.intro {
    background: var(--bg-paper);
}

.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: start;
}

.intro-left {
    text-align: center;
    padding: 48px;
    background: var(--bg-cream);
    border-radius: 4px;
    border-top: 4px solid var(--red-primary);
}

.intro-left h2 {
    font-size: 36px;
    font-weight: 700;
    color: var(--ink-black);
    margin-bottom: 12px;
    letter-spacing: 4px;
}

.intro-left .intro-subtitle {
    font-size: 12px;
    color: var(--ink-light);
    letter-spacing: 4px;
    text-transform: uppercase;
}

.intro-right p {
    font-size: 15px;
    color: var(--ink-gray);
    line-height: 1.9;
    margin-bottom: 20px;
}

.intro-right p.highlight {
    padding: 20px;
    background: var(--red-pale);
    border-left: 3px solid var(--red-primary);
    color: var(--ink-black);
    font-weight: 500;
    border-radius: 0 4px 4px 0;
}

/* ---------- 数据展示 ---------- */
.data-showcase {
    background: linear-gradient(135deg, var(--red-deep) 0%, var(--red-primary) 100%);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.data-showcase::before {
    content: '至泰';
    position: absolute;
    top: -60px;
    right: 40px;
    font-family: var(--serif);
    font-size: 240px;
    font-weight: 900;
    color: rgba(255,255,255,.06);
    line-height: 1;
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    position: relative;
    z-index: 1;
}

.data-item {
    text-align: center;
    padding: 32px 16px;
    border: 1px solid rgba(255,255,255,.15);
    border-radius: 4px;
    transition: var(--transition);
}

.data-item:hover {
    background: rgba(255,255,255,.08);
    border-color: rgba(255,255,255,.4);
    transform: translateY(-4px);
}

.data-num {
    font-family: var(--serif);
    font-size: 64px;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 12px;
}

.data-num sup {
    font-size: 24px;
    margin-left: 4px;
}

.data-label {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.data-desc {
    font-size: 13px;
    opacity: .7;
}

/* ---------- 历史沿革时间线 ---------- */
.history {
    background: var(--bg-cream);
}

.timeline {
    position: relative;
    max-width: 880px;
    margin: 0 auto;
    padding-left: 100px;
}

.timeline-line {
    position: absolute;
    left: 80px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--red-primary) 0%, var(--red-pale) 100%);
}

.timeline-item {
    position: relative;
    padding: 32px 0 32px 60px;
    border-bottom: 1px dashed var(--line-gray);
}

.timeline-item:last-child {
    border-bottom: none;
}

.timeline-item .t-dot {
    position: absolute;
    left: -26px;
    top: 36px;
    width: 16px;
    height: 16px;
    background: #fff;
    border: 3px solid var(--red-primary);
    border-radius: 50%;
    z-index: 2;
}

.timeline-item.highlight .t-dot {
    background: var(--red-primary);
    box-shadow: 0 0 0 6px rgba(200, 16, 46, .2);
}

.timeline-item .t-year {
    position: absolute;
    left: -100px;
    top: 28px;
    width: 80px;
    text-align: right;
    font-family: var(--serif);
    font-size: 28px;
    font-weight: 700;
    color: var(--red-primary);
    line-height: 1;
}

.timeline-item .t-content {
    background: #fff;
    padding: 24px 32px;
    border-radius: 4px;
    border-left: 3px solid var(--red-primary);
    box-shadow: var(--shadow-sm);
}

.timeline-item .t-content h4 {
    font-family: var(--serif);
    font-size: 20px;
    font-weight: 700;
    color: var(--ink-black);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.timeline-item .t-content p {
    font-size: 14px;
    color: var(--ink-gray);
    line-height: 1.8;
}

.timeline-item.highlight .t-content {
    background: linear-gradient(135deg, #fff 0%, var(--red-pale) 100%);
    border-left-width: 5px;
}

.timeline-item.highlight .t-content h4 {
    color: var(--red-primary);
    font-size: 22px;
}

/* ---------- 核心理念 ---------- */
.philosophy {
    background: var(--bg-paper);
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 64px;
}

.phi-card {
    padding: 40px 28px;
    background: #fff;
    border: 1px solid var(--line-gray);
    border-radius: 4px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.phi-card:hover {
    border-color: var(--red-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.phi-card .phi-num {
    font-family: var(--serif);
    font-size: 56px;
    font-weight: 900;
    color: var(--red-pale);
    line-height: 1;
    margin-bottom: 16px;
}

.phi-card h3 {
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 700;
    color: var(--ink-black);
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.phi-card p {
    font-size: 13px;
    color: var(--ink-gray);
    line-height: 1.7;
}

.phi-quote {
    background: linear-gradient(135deg, var(--red-deep) 0%, var(--red-primary) 100%);
    color: #fff;
    padding: 64px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 48px;
    position: relative;
    overflow: hidden;
}

.phi-quote::before {
    content: '"';
    position: absolute;
    top: -40px;
    left: 24px;
    font-family: var(--serif);
    font-size: 200px;
    color: rgba(255,255,255,.1);
    line-height: 1;
}

.phi-quote .seal {
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.phi-quote .quote-content {
    position: relative;
    z-index: 1;
}

.phi-quote .quote-text {
    font-family: var(--serif);
    font-size: 28px;
    line-height: 1.6;
    font-weight: 500;
    margin-bottom: 16px;
}

.phi-quote .quote-text strong {
    color: #ffd;
    font-weight: 900;
    letter-spacing: 4px;
}

.phi-quote .quote-author {
    font-size: 14px;
    opacity: .8;
}

/* ---------- 全球网络 ---------- */
.global-network {
    background: var(--bg-cream);
}

.network-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.network-card {
    background: #fff;
    border: 1px solid var(--line-gray);
    border-radius: 4px;
    padding: 32px 16px;
    text-align: center;
    transition: var(--transition);
}

.network-card:hover {
    border-color: var(--red-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.network-card.highlight {
    background: linear-gradient(135deg, var(--red-primary) 0%, var(--red-deep) 100%);
    color: #fff;
    border-color: var(--red-primary);
}

.network-card .city {
    font-family: var(--serif);
    font-size: 28px;
    font-weight: 700;
    color: var(--ink-black);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.network-card.highlight .city {
    color: #fff;
}

.network-card .city-en {
    font-size: 12px;
    color: var(--ink-light);
    letter-spacing: 2px;
    margin-bottom: 8px;
}

.network-card.highlight .city-en {
    color: rgba(255,255,255,.8);
}

.network-card .city-desc {
    font-size: 12px;
    color: var(--red-primary);
    padding-top: 8px;
    border-top: 1px dashed var(--line-gray);
    margin-top: 8px;
}

.network-card.highlight .city-desc {
    color: #fff;
    border-top-color: rgba(255,255,255,.3);
}

/* ---------- 优势详细版 ---------- */
.advantages-detail {
    background: var(--bg-paper);
}

.advantage-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.adv-card {
    padding: 48px;
    background: #fff;
    border: 1px solid var(--line-gray);
    border-radius: 4px;
    transition: var(--transition);
    position: relative;
}

.adv-card:hover {
    border-color: var(--red-primary);
    box-shadow: var(--shadow-md);
}

.adv-card .adv-icon {
    font-family: var(--serif);
    font-size: 72px;
    font-weight: 900;
    color: var(--red-primary);
    line-height: 1;
    margin-bottom: 24px;
    opacity: .15;
}

.adv-card h3 {
    font-family: var(--serif);
    font-size: 24px;
    font-weight: 700;
    color: var(--ink-black);
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.adv-card p {
    font-size: 14px;
    color: var(--ink-gray);
    line-height: 1.9;
}

/* ---------- 人才优势 ---------- */
.talent {
    background: var(--bg-cream);
}

.talent-wrap {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 80px;
    align-items: start;
}

.talent-left .en {
    font-size: 14px;
    color: var(--red-primary);
    letter-spacing: 6px;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 12px;
}

.talent-left h2 {
    font-size: 44px;
    font-weight: 700;
    color: var(--ink-black);
    margin-bottom: 16px;
    letter-spacing: 4px;
}

.talent-left .accent-line {
    width: 60px;
    height: 3px;
    background: var(--red-primary);
    margin-bottom: 24px;
}

.talent-left p {
    font-size: 15px;
    color: var(--ink-gray);
    line-height: 1.9;
    margin-bottom: 16px;
}

.talent-right {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.talent-card {
    background: #fff;
    padding: 32px 24px;
    border-radius: 4px;
    border-bottom: 3px solid var(--red-primary);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.talent-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.talent-card .t-icon {
    font-size: 36px;
    margin-bottom: 16px;
}

.talent-card h4 {
    font-family: var(--serif);
    font-size: 18px;
    font-weight: 700;
    color: var(--ink-black);
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.talent-card p {
    font-size: 13px;
    color: var(--ink-gray);
    line-height: 1.7;
}

/* ---------- 合作模式 ---------- */
.cooperation {
    background: var(--bg-paper);
}

.coop-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.coop-card {
    background: #fff;
    border: 1px solid var(--line-gray);
    border-radius: 4px;
    padding: 32px 24px;
    transition: var(--transition);
    position: relative;
}

.coop-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--red-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.coop-card:hover {
    border-color: var(--red-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.coop-card:hover::before {
    transform: scaleX(1);
}

.coop-card .coop-no {
    font-family: var(--serif);
    font-size: 36px;
    font-weight: 900;
    color: var(--red-primary);
    opacity: .2;
    margin-bottom: 8px;
    line-height: 1;
}

.coop-card h3 {
    font-family: var(--serif);
    font-size: 20px;
    font-weight: 700;
    color: var(--ink-black);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.coop-card p {
    font-size: 13px;
    color: var(--ink-gray);
    line-height: 1.7;
    margin-bottom: 16px;
}

.coop-card ul li {
    position: relative;
    padding-left: 16px;
    font-size: 13px;
    color: var(--ink-gray);
    margin-bottom: 8px;
}

.coop-card ul li::before {
    content: '·';
    position: absolute;
    left: 4px;
    top: 0;
    color: var(--red-primary);
    font-weight: 700;
}

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
    .intro-grid,
    .talent-wrap {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .data-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .philosophy-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .network-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .advantage-cards {
        grid-template-columns: 1fr;
    }

    .talent-right {
        grid-template-columns: 1fr;
    }

    .coop-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .phi-quote {
        flex-direction: column;
        text-align: center;
        padding: 40px 24px;
    }

    .timeline {
        padding-left: 80px;
    }

    .timeline-item .t-year {
        left: -80px;
        width: 60px;
        font-size: 22px;
    }

    .timeline-line {
        left: 60px;
    }

    .timeline-item .t-dot {
        left: -46px;
    }
}

@media (max-width: 768px) {
    .data-grid {
        grid-template-columns: 1fr;
    }

    .data-num {
        font-size: 48px;
    }

    .philosophy-grid {
        grid-template-columns: 1fr;
    }

    .network-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .coop-grid {
        grid-template-columns: 1fr;
    }

    .phi-quote .quote-text {
        font-size: 20px;
    }

    .intro-left h2 {
        font-size: 28px;
    }

    .talent-left h2 {
        font-size: 32px;
    }
}