/* =============================================================
   产品详情页 · 深色玻璃主题
   token 与配色全部继承 home-v2.css，本文件只写详情页专有结构
   ============================================================= */

.product-detail-main {
    min-height: calc(100vh - 240px);
    padding: 38px 0 86px;
}

.detail-shell { max-width: 1060px; }

.detail-back {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 22px;
    color: var(--home-muted);
    font-size: 13px;
    transition: color var(--dur-base) var(--ease), gap var(--dur-base) var(--ease);
}

.detail-back:hover { color: #a8c2ff; gap: 12px; }

.product-detail-hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, .9fr);
    align-items: center;
    gap: 44px;
    padding: 44px;
    border: 1px solid transparent;
    border-radius: 20px;
    background:
        linear-gradient(180deg, var(--home-glass), var(--home-glass-2)) padding-box,
        linear-gradient(150deg, var(--home-line-top), rgba(255,255,255,.05) 38%, var(--home-line-bot) 72%) border-box;
    box-shadow:
        inset 0 1px 0 rgba(255,255,255,.07),
        0 22px 60px rgba(0,0,0,.45);
}

.detail-kicker {
    display: flex;
    align-items: center;
    gap: 9px;
    color: #93b4ff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .08em;
}

.detail-copy h1 {
    margin: 14px 0 16px;
    font-size: clamp(32px, 4.2vw, 52px);
    font-weight: 600;
    letter-spacing: -.045em;
    line-height: 1.15;
}

.detail-copy > p {
    max-width: 570px;
    margin: 0;
    color: var(--home-muted);
    font-size: 15px;
    line-height: 1.9;
}

.detail-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-top: 28px;
}

.detail-primary-action,
.detail-secondary-action {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 22px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
}

.detail-primary-action {
    border: 1px solid transparent;
    background: linear-gradient(145deg, #4b84ff, #1d49c9);
    box-shadow: 0 10px 30px rgba(47,107,255,.4);
    color: #fff;
    transition: box-shadow var(--dur-base) var(--ease), transform var(--dur-base) var(--ease);
}

.detail-primary-action:hover {
    box-shadow: 0 16px 40px rgba(47,107,255,.55);
    transform: translateY(-2px);
}

.detail-primary-action i { font-style: normal; transition: transform var(--dur-base) var(--ease); }
.detail-primary-action:hover i { transform: translate(3px, -3px); }

.detail-secondary-action {
    border: 1px solid rgba(255,255,255,.14);
    background: rgba(255,255,255,.05);
    color: var(--home-ink);
    transition: border-color var(--dur-base) var(--ease), background var(--dur-base) var(--ease);
}

.detail-secondary-action:hover { border-color: rgba(47,107,255,.5); background: rgba(47,107,255,.14); }

.detail-visual {
    display: grid;
    min-height: 280px;
    place-items: center;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,.1);
    border-radius: 16px;
    background: rgba(255,255,255,.04);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.08), 0 18px 48px rgba(0,0,0,.4);
}

.detail-visual img { width: 100%; height: 100%; max-height: 380px; object-fit: cover; }

/* 无大图时：别留一块空白板，用发光渐变底 + 放大的图标撑场 */
.detail-visual--icon {
    position: relative;
    background:
        radial-gradient(circle at 50% 42%, rgba(47,107,255,.28), transparent 62%),
        rgba(255,255,255,.04);
}

.detail-visual--icon img {
    width: 148px;
    height: 148px;
    max-height: none;
    border-radius: 30px;
    box-shadow: 0 20px 50px rgba(0,0,0,.55);
    object-fit: contain;
}

.detail-visual--icon > span { font-size: 84px; }

.detail-introduction { max-width: 790px; margin: 58px auto 0; }

.detail-introduction > p {
    margin: 0 0 8px;
    color: #93b4ff;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .18em;
}

.detail-introduction h2 {
    margin: 0 0 20px;
    font-size: 28px;
    font-weight: 600;
    letter-spacing: -.04em;
}

.detail-content {
    color: var(--home-muted);
    font-size: 15px;
    line-height: 2;
}

@media (max-width: 820px) {
    .product-detail-hero { grid-template-columns: 1fr; gap: 30px; padding: 34px; }
    .detail-visual { min-height: 230px; }
}

@media (max-width: 620px) {
    .product-detail-main { padding: 26px 0 60px; }
    .product-detail-hero { gap: 25px; padding: 25px 20px; border-radius: 16px; }
    .detail-copy h1 { font-size: 32px; }
    .detail-copy > p { font-size: 14px; }
    .detail-actions { align-items: stretch; flex-direction: column; }
    .detail-primary-action, .detail-secondary-action { width: 100%; }
    .detail-visual { min-height: 200px; }
    .detail-visual--icon img { width: 118px; height: 118px; border-radius: 24px; }
    .detail-introduction { margin-top: 42px; }
    .detail-introduction h2 { font-size: 24px; }
}