/**
 * guoji.css — 国际油价页
 * 用途：三栏行情卡片、涨跌色、分时图
 * 标题区复用 detail.css 的 .detail-hero，与城市/省份页一致
 * 断点：手机 <768 / Pad 768–1024 / 桌面 >1024
 */

/* 标题「油价」琥珀强调（与首页一致） */
.guoji-page .detail-hero h1 span {
    color: var(--led-gold-dim);
}

/* 三栏略宽于全站默认 */
.guoji-page .site-main {
    max-width: 1180px;
}

/* ---------- 三栏看板 ---------- */
.guoji-board {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1rem;
    align-items: stretch;
    margin-bottom: 0;
}

/* ---------- 单品种卡片（对齐全站 panel 风格） ---------- */
.oil-card {
    position: relative;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: 0 2px 12px rgba(14, 20, 25, 0.06);
    padding: 1.15rem 1rem 0.85rem;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

/* 顶角装饰括号 */
.oil-card::before,
.oil-card::after {
    content: "";
    position: absolute;
    top: 10px;
    width: 12px;
    height: 12px;
    border-color: #b8c4d0;
    border-style: solid;
    pointer-events: none;
}

.oil-card::before {
    left: 10px;
    border-width: 2px 0 0 2px;
}

.oil-card::after {
    right: 10px;
    border-width: 2px 2px 0 0;
}

.oil-card__head {
    text-align: center;
    margin-bottom: 0.65rem;
}

.oil-card__title {
    margin: 0 0 0.25rem;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--ink);
    letter-spacing: 0.02em;
    word-break: keep-all;
    overflow-wrap: break-word;
}

.oil-card__meta {
    margin: 0;
    font-size: 0.75rem;
    color: var(--muted);
    line-height: 1.4;
}

/* 主价区 */
.oil-card__price-block {
    text-align: center;
    padding: 0.35rem 0 0.85rem;
    border-bottom: 1px dashed var(--line);
}

.oil-card__price {
    margin: 0;
    font-family: var(--font-data);
    font-size: clamp(1.85rem, 3.2vw, 2.35rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

.oil-card__change {
    margin: 0.3rem 0 0;
    font-family: var(--font-data);
    font-size: 0.9375rem;
    font-weight: 600;
}

/* 涨红跌绿平灰 */
.oil-card__price-block.is-up .oil-card__price,
.oil-card__price-block.is-up .oil-card__change {
    color: #e53935;
}

.oil-card__price-block.is-down .oil-card__price,
.oil-card__price-block.is-down .oil-card__change {
    color: #1b9e5a;
}

.oil-card__price-block.is-flat .oil-card__price,
.oil-card__price-block.is-flat .oil-card__change {
    color: var(--muted);
}

/* 四维统计 */
.oil-card__stats {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem 1rem;
    padding: 1rem 0.35rem 0.75rem;
    border-bottom: 1px dashed var(--line);
}

.oil-card__stat {
    text-align: center;
}

.oil-card__stat-label {
    display: block;
    font-size: 0.75rem;
    color: #8a97a5;
    margin-bottom: 0.2rem;
}

.oil-card__stat-value {
    display: block;
    font-family: var(--font-data);
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
}

.oil-card__time {
    margin: 0.75rem 0;
    text-align: center;
    font-size: 0.75rem;
    color: var(--muted);
}

/* 分时图 */
.oil-card__chart {
    margin-top: auto;
    border-radius: 4px;
    overflow: hidden;
    background: #fafbfc;
    border: 1px solid #eef2f6;
    line-height: 0;
    min-height: 2rem;
}

.oil-card__chart img {
    display: block;
    width: 100%;
    height: auto;
    max-width: 100%;
}

.oil-card__chart img[hidden] {
    display: none;
}

/* 加载环：与首页一致 */
.guoji-page .loading-state__ring {
    width: 2.25rem;
    height: 2.25rem;
    margin: 0 auto 0.85rem;
    border: 2px solid var(--line);
    border-top-color: var(--led-gold);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@media (prefers-reduced-motion: reduce) {
    .guoji-page .loading-state__ring {
        animation: none;
        border-top-color: var(--line);
    }
}

/* ---------- Pad：768–1024 ---------- */
@media (max-width: 1024px) and (min-width: 768px) {
    .guoji-board {
        gap: 0.75rem;
    }

    .oil-card {
        padding: 1rem 0.75rem 0.7rem;
    }

    .oil-card__title {
        font-size: 1.05rem;
    }

    .oil-card__price {
        font-size: 1.75rem;
    }

    .oil-card__meta {
        font-size: 0.6875rem;
    }
}

/* ---------- 手机：单列 ---------- */
@media (max-width: 767px) {
    .guoji-board {
        grid-template-columns: 1fr;
        gap: 0.85rem;
    }

    .oil-card {
        padding: 1.1rem 1rem 0.85rem;
    }

    .oil-card__price {
        font-size: 2.1rem;
    }

    .oil-card__stats {
        gap: 0.75rem 1.25rem;
        padding: 0.9rem 0.5rem 0.65rem;
    }

    .site-nav__link {
        padding: 0 0.65rem;
        font-size: 0.875rem;
    }
}