/* 列表页继承三花猫毛色变量，只补充内容网格和数据卡片样式。 */
.page-shell {
    width: min(calc(100% - 48px), var(--content));
    margin: 0 auto;
    padding: 72px 0 96px;
}

.page-shell-short {
    min-height: calc(100vh - 200px);
}

.page-heading {
    position: relative;
    max-width: 720px;
    margin-bottom: 44px;
}

.page-heading h1 {
    margin: 0;
    font-family: Georgia, "Microsoft YaHei", serif;
    font-size: 52px;
    line-height: 1.12;
    letter-spacing: 0;
}

.page-heading > p:last-child {
    margin: 20px 0 0;
    color: var(--muted);
    font-size: 18px;
}

.items {
    display: grid;
}

.friend-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.friend-card {
    position: relative;
    display: grid;
    grid-template-columns: 56px minmax(0, 1fr) 20px;
    align-items: center;
    gap: 16px;
    min-height: 94px;
    padding: 18px 18px 18px 22px;
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 6px;
    transition: border-color 180ms ease, transform 180ms ease;
}

/* 左侧色条按三种毛色循环，列表很长时仍能形成稳定节奏。 */
.friend-card::before {
    position: absolute;
    inset: 0 auto 0 0;
    width: 6px;
    background: var(--orange);
    content: "";
}

.friend-card:nth-child(3n + 2)::before {
    background: var(--ink);
}

.friend-card:nth-child(3n)::before {
    background: var(--sage);
}

.friend-card:hover {
    border-color: var(--forest);
    transform: translateY(-2px);
}

.friend-card img {
    width: 56px;
    height: 56px;
    /* 本地图片解码前先显示三花猫底图，避免出现短暂空白圆框。 */
    background-color: var(--paper);
    background-image: url("../images/avatar.png");
    background-position: center;
    background-size: cover;
    border: 2px solid var(--ink);
    border-radius: 50%;
    object-fit: cover;
}

.friend-name {
    min-width: 0;
    overflow-wrap: anywhere;
    font-weight: 750;
}

.card-arrow {
    color: var(--orange-dark);
    font-size: 18px;
    text-align: right;
}

.project-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.project-card {
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    min-height: 230px;
    padding: 30px;
    overflow: hidden;
    color: #ffffff;
    background: var(--forest);
    border-radius: 6px;
    transition: transform 180ms ease;
}

.project-card::after {
    position: absolute;
    top: -30px;
    right: 13%;
    width: 190px;
    height: 300px;
    background: var(--orange);
    clip-path: polygon(40% 0, 100% 18%, 82% 63%, 100% 100%, 26% 92%, 0 38%);
    content: "";
    opacity: 0.9;
}

.project-card:hover {
    transform: translateY(-3px);
}

.project-title,
.project-card .card-arrow {
    position: relative;
    z-index: 2;
}

.project-title {
    font-family: Georgia, "Microsoft YaHei", serif;
    font-size: 28px;
    font-weight: 750;
}

.project-card .card-arrow {
    color: #ffffff;
    font-size: 24px;
}

.exchange {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: 80px;
    margin-top: 96px;
    padding-top: 56px;
    border-top: 1px solid var(--line);
}

.exchange h2 {
    margin: 0;
    font-family: Georgia, "Microsoft YaHei", serif;
    font-size: 36px;
    line-height: 1.2;
    letter-spacing: 0;
}

.exchange p {
    margin: 18px 0 24px;
    color: var(--muted);
}

.site-details {
    margin: 0;
}

.site-details > div {
    display: grid;
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 18px;
    padding: 14px 0;
    border-bottom: 1px solid var(--line);
}

.site-details dt {
    color: var(--muted);
}

.site-details dd {
    min-width: 0;
    margin: 0;
    overflow-wrap: anywhere;
}

@media (max-width: 900px) {
    .friend-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .exchange {
        gap: 48px;
    }
}

@media (max-width: 640px) {
    .page-shell {
        width: min(calc(100% - 32px), var(--content));
        padding: 60px 0 76px;
    }

    .page-heading {
        margin-bottom: 36px;
    }

    .page-heading h1 {
        font-size: 38px;
    }

    .page-heading > p:last-child {
        font-size: 17px;
    }

    .friend-grid,
    .project-grid,
    .exchange {
        grid-template-columns: 1fr;
    }

    .exchange {
        gap: 36px;
        margin-top: 72px;
        padding-top: 42px;
    }

    .project-card {
        min-height: 190px;
    }
}