/* 关于页只展开站点故事与个人说明，沿用公共排版和三花主题变量。 */
.about-shell {
    padding-bottom: 112px;
}

.about-story {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    align-items: center;
    gap: 72px;
    padding: 52px 0 72px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.about-story-copy {
    max-width: 670px;
}

.about-story h2,
.about-design h2,
.about-content h2,
.about-contact h2 {
    margin: 0;
    font-family: Georgia, "Microsoft YaHei", serif;
    font-size: 34px;
    line-height: 1.25;
    letter-spacing: 0;
}

.about-story-copy p {
    margin: 20px 0 0;
    color: var(--muted);
    font-size: 17px;
}

.about-figure {
    margin: 0;
}

.about-figure img {
    width: 100%;
    max-height: 450px;
    object-fit: contain;
}

.about-figure figcaption {
    margin-top: 14px;
    color: var(--muted);
    font-size: 14px;
    text-align: center;
}

/* 设计语言依靠对齐与分隔线呈现，避免用卡片描述“减少卡片”的原则。 */
.about-design {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 72px;
    padding: 72px 0;
    border-bottom: 1px solid var(--line);
}

.about-design-copy p {
    margin: 20px 0 0;
    color: var(--muted);
    font-size: 17px;
}

.about-design-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 32px;
    margin: 0;
}

.about-design-list div {
    min-width: 0;
    padding: 20px 0;
    border-top: 1px solid var(--line);
}

.about-design-list dt {
    color: var(--ink);
    font-size: 17px;
    font-weight: 750;
}

.about-design-list dd {
    margin: 8px 0 0;
    color: var(--muted);
}

.about-content {
    padding: 72px 0;
}

.about-content-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 30px;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.about-content-list article {
    min-width: 0;
    padding: 28px;
}

.about-content-list article + article {
    border-left: 1px solid var(--line);
}

.about-content-list h3 {
    margin: 0;
    font-size: 20px;
    letter-spacing: 0;
}

.about-content-list p,
.about-contact p {
    margin: 12px 0 0;
    color: var(--muted);
}

.about-contact {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 72px;
    padding-top: 56px;
    border-top: 1px solid var(--line);
}

.about-contact-links {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
}

.about-contact-links a {
    color: var(--orange-dark);
    font-weight: 750;
}

.about-contact-links a:hover {
    color: var(--forest);
}

.about-contact-links span {
    color: var(--muted);
}

@media (max-width: 820px) {
    .about-story {
        grid-template-columns: 1fr;
        gap: 42px;
    }

    .about-design {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .about-figure {
        width: min(100%, 520px);
        margin: 0 auto;
    }
}

@media (max-width: 640px) {
    .about-shell {
        padding-bottom: 76px;
    }

    .about-story {
        gap: 32px;
        padding: 42px 0 54px;
    }

    .about-story h2,
    .about-design h2,
    .about-content h2,
    .about-contact h2 {
        font-size: 29px;
    }

    .about-design {
        padding: 54px 0;
    }

    .about-design-list {
        grid-template-columns: 1fr;
    }

    .about-content {
        padding: 54px 0;
    }

    .about-content-list,
    .about-contact {
        grid-template-columns: 1fr;
    }

    .about-content-list article {
        padding: 24px 0;
    }

    .about-content-list article + article {
        border-top: 1px solid var(--line);
        border-left: 0;
    }

    .about-contact {
        gap: 28px;
        padding-top: 42px;
    }
}