/* ===========================================================
   关于我们页面样式（resources/newpage/about.html）
   依赖 home.css 的 Design Tokens、page-hero、section-head.is-centered、cta-band
   =========================================================== */

/* ============== 公司简介 ============== */
.intro { background: var(--c-surface); }
.intro-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 60px;
    align-items: center;
}
.intro-media {
    position: relative;
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/3;
}
.intro-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.intro-media .intro-logo {
    /* logo 为 167x91 PNG，避免被 cover 拉伸 + 提供品牌背景 */
    /* width: 100%;
    height: 100%; */
    object-fit: contain;
    padding: 56px;
    background: linear-gradient(160deg, #F8FAFC 0%, #EFF6FF 100%);
}
.intro-media .stamp {
    position: absolute;
    left: 24px;
    bottom: 24px;
    color: #fff;
    padding: 14px 18px;
    background: rgba(11,37,69,.85);
    border-radius: var(--r-md);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.intro-media .stamp .y {
    font-size: 32px;
    font-weight: 800;
    line-height: 1;
}
.intro-media .stamp .t {
    font-size: 12px;
    letter-spacing: 1.5px;
    opacity: .85;
    text-transform: uppercase;
    margin-top: 4px;
}
.intro-media .badge {
    position: absolute;
    right: 20px;
    top: 20px;
    padding: 8px 14px;
    border-radius: 999px;
    background: rgba(242,92,42,.92);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .04em;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.intro-media .badge svg { width: 14px; height: 14px; }
.intro-body h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--c-ink);
    margin: 14px 0 16px;
    line-height: 1.3;
    letter-spacing: -.01em;
}
.intro-body h2 .accent { color: var(--c-brand); }
.intro-body p {
    font-size: 15px;
    color: var(--c-ink-2);
    line-height: 1.85;
    margin: 0 0 16px;
}
.intro-body p:last-of-type { margin-bottom: 24px; }
.intro-quote {
    border-left: 3px solid var(--c-accent);
    padding: 14px 18px;
    background: linear-gradient(90deg, rgba(242,92,42,.06) 0%, rgba(242,92,42,0) 80%);
    border-radius: 0 var(--r-md) var(--r-md) 0;
    margin: 24px 0;
}
.intro-quote .t { font-size: 15px; font-weight: 700; color: var(--c-ink); margin-bottom: 4px; }
.intro-quote .s { font-size: 12px; color: var(--c-ink-3); }

/* intro 内部的 eyebrow 复用首页样式，左对齐即可（display: inline-flex） */
.intro-body .section-eyebrow { display: inline-flex; align-items: center; gap: 10px; }
.intro-body .section-eyebrow::before {
    content: '';
    width: 28px;
    height: 2px;
    background: var(--c-accent);
    border-radius: 2px;
}

/* ============== 发展理念 ============== */
.philosophy { background: var(--c-surface-2); }
.phil-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.phil-card {
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--r-lg);
    padding: 28px 24px;
    transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
    position: relative;
}
.phil-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    border-color: var(--c-brand);
}
.phil-card .n {
    font-size: 36px;
    font-weight: 800;
    color: var(--c-brand);
    opacity: .15;
    line-height: 1;
    margin-bottom: 8px;
}
.phil-card .ic {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    margin-bottom: 14px;
    background: linear-gradient(135deg, var(--c-brand) 0%, var(--c-brand-2) 100%);
    color: #fff;
    display: grid;
    place-items: center;
}
.phil-card .ic svg { width: 24px; height: 24px; }
.phil-card h4 {
    font-size: 17px;
    font-weight: 700;
    color: var(--c-ink);
    margin: 0 0 8px;
}
.phil-card p {
    font-size: 13px;
    color: var(--c-ink-2);
    margin: 0;
    line-height: 1.7;
}

/* ============== 发展历程时间轴 ============== */
.timeline { background: var(--c-surface); }
.timeline-list {
    position: relative;
    max-width: 920px;
    margin: 0 auto;
    padding: 24px 0;
}
.timeline-list::before {
    content: '';
    position: absolute;
    left: 110px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, transparent, var(--c-line-2) 8%, var(--c-line-2) 92%, transparent);
}
.tl-item {
    position: relative;
    display: grid;
    grid-template-columns: 110px 1fr;
    gap: 28px;
    padding: 18px 0;
}
.tl-item .year {
    text-align: right;
    font-size: 24px;
    padding-right: 13px;
    font-weight: 800;
    color: var(--c-brand);
    font-feature-settings: "tnum";
    letter-spacing: -.01em;
    line-height: 1.1;
}
.tl-item .year small {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--c-ink-3);
    letter-spacing: .1em;
    margin-top: 4px;
}
.tl-item .dot {
    position: absolute;
    left: 102px;
    top: 24px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--c-accent);
    box-shadow: 0 0 0 4px rgba(242,92,42,.18);
}
.tl-item .content {
    background: var(--c-surface-2);
    border: 1px solid var(--c-line);
    border-radius: var(--r-md);
    padding: 18px 22px;
    position: relative;
}
.tl-item .content::before {
    content: '';
    position: absolute;
    left: -8px;
    top: 22px;
    border: 8px solid transparent;
    border-right-color: var(--c-line);
}
.tl-item .content::after {
    content: '';
    position: absolute;
    left: -7px;
    top: 22px;
    border: 8px solid transparent;
    border-right-color: var(--c-surface-2);
}
.tl-item h5 {
    font-size: 16px;
    font-weight: 700;
    color: var(--c-ink);
    margin: 0 0 8px;
}
.tl-item p {
    font-size: 13px;
    color: var(--c-ink-2);
    margin: 0;
    line-height: 1.75;
}

/* ============== 资质荣誉 ============== */
.certs { background: var(--c-surface-2); }
.certs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}
.cert-card {
    background: var(--c-surface);
    border: 1px solid var(--c-line);
    border-radius: var(--r-lg);
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform .2s ease, box-shadow .2s ease;
}
.cert-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.cert-card .seal {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--c-brand) 0%, var(--c-brand-2) 100%);
    color: #fff;
    display: grid;
    place-items: center;
    box-shadow: 0 8px 18px rgba(11,37,69,.20);
    margin-bottom: 14px;
}
.cert-card .seal svg { width: 36px; height: 36px; }
.cert-card h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--c-ink);
    margin: 0 0 6px;
}
.cert-card p {
    font-size: 12px;
    color: var(--c-ink-3);
    margin: 0;
    line-height: 1.6;
}

/* ============== 工厂展示 ============== */
.factory { background: var(--c-surface); }
.factory-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 16px;
}
.factory-grid .cell {
    position: relative;
    aspect-ratio: 4/3;
    border-radius: var(--r-lg);
    overflow: hidden;
    background: var(--c-surface-2);
    border: 1px solid var(--c-line);
}
.factory-grid .cell:first-child { aspect-ratio: 16/10; }
.factory-grid .cell img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}
.factory-grid .cell:hover img { transform: scale(1.04); }
.factory-grid .cell::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(10,14,26,.7) 100%);
}
.factory-grid .cell .meta {
    position: absolute;
    left: 16px;
    bottom: 16px;
    right: 16px;
    color: #fff;
    z-index: 2;
}
.factory-grid .cell .meta .t {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
}
.factory-grid .cell .meta .s {
    font-size: 12px;
    opacity: .8;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .phil-card, .tl-item, .cert-card, .factory-grid .cell img { transition: none !important; }
}

/* ============== 响应式 ============== */
@media (max-width: 1100px) {
    .intro-grid { grid-template-columns: 1fr; gap: 36px; }
    .phil-grid { grid-template-columns: repeat(2, 1fr); }
    .certs-grid { grid-template-columns: repeat(2, 1fr); }
    .factory-grid { grid-template-columns: 1fr 1fr; }
    .factory-grid .cell:first-child {
        grid-column: span 2;
        aspect-ratio: 16/9;
    }
}
@media (max-width: 760px) {
    .phil-grid { grid-template-columns: 1fr; }
    .certs-grid { grid-template-columns: 1fr; }
    .timeline-list::before { left: 18px; }
    .tl-item { grid-template-columns: 56px 1fr; gap: 14px; }
    .tl-item .year { font-size: 16px; text-align: left; }
    .tl-item .year small { display: none; }
    .tl-item .dot { left: 10px; top: 16px; width: 14px; height: 14px; }
    .tl-item .content::before, .tl-item .content::after { display: none; }
    .factory-grid { grid-template-columns: 1fr; }
    .factory-grid .cell:first-child {
        grid-column: span 1;
        aspect-ratio: 16/9;
    }
    .intro-body h2 { font-size: 24px; }
}