/* ============ Section 3: Custom Samples ============ */
.custom-samples {
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px 40px 50px;
    position: relative;
    z-index: 0;
    overflow: hidden;
}

.custom-samples::before {
    content: '';
    position: absolute;
    left: -50px;
    bottom: -50px;
    width: 240px;
    height: 240px;
    border: 20px solid rgba(26, 86, 219, 0.06);
    border-radius: 50%;
    box-shadow: 0 0 0 14px rgba(26, 86, 219, 0.03);
    pointer-events: none;
}

.custom-samples::after {
    content: '';
    position: absolute;
    right: 10%;
    top: 12%;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.6), rgba(26, 86, 219, 0.12));
    pointer-events: none;
}

/* ============ 编辑风头部 ============ */
.sample-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    max-width: 1240px;
    width: 100%;
    margin: 0 auto 48px;
}

.sample-head-left {
    position: relative;
    padding-left: 20px;
}

.sample-head-left::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 4px;
    border-radius: 2px;
    background: linear-gradient(180deg, var(--color1), #5b9cff);
}

/* 巨型水印数字：与标题交叠 */
.sample-head-left::after {
    content: '07';
    position: absolute;
    right: -10px;
    top: -52px;
    font-size: 150px;
    font-weight: 800;
    line-height: 1;
    color: rgba(26, 86, 219, 0.08);
    pointer-events: none;
    z-index: -1;
}

.sample-tag {
    font-size: 13px;
    font-weight: 700;
    color: var(--color1);
    letter-spacing: 5px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 10px;
}

.sample-title {
    font-size: 60px;
    font-weight: 800;
    line-height: 1.15;
    color: #1f2937;
    letter-spacing: 2px;
    margin: 0 0 12px;
}

.sample-title span {
    background: linear-gradient(135deg, var(--color1), #5b9cff);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    color: transparent;
    position: relative;
}

.sample-title span::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 2px;
    height: 10px;
    background: linear-gradient(90deg, rgba(26, 86, 219, 0.25), transparent);
    z-index: -1;
}

.sample-sub {
    font-size: 14px;
    color: #6b7280;
    line-height: 1.8;
    max-width: 560px;
    margin: 0;
}

.sample-points {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
    max-width: 340px;
}

.sample-points span {
    font-size: 12px;
    color: var(--color1);
    background: rgba(26, 86, 219, 0.06);
    border: 1px solid rgba(26, 86, 219, 0.18);
    padding: 6px 16px;
    border-radius: 999px;
    letter-spacing: 1px;
    transition: all 0.3s;
}

.sample-points span:hover {
    background: var(--color1);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 14px rgba(26, 86, 219, 0.28);
}

/* ============ 样品墙：非对称编辑网格 ============ */
.sample-gallery {
    position: relative;
    max-width: 1240px;
    width: 100%;
}

.sample-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 42px;
}

.sample-card {
    --sample-tilt: rotate(0deg) translateY(0) scale(1);
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 1px solid rgba(26, 86, 219, 0.1);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 12px 30px -14px rgba(15, 23, 42, 0.18);
    text-decoration: none;
    transform: var(--sample-tilt);
    transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}

/* 主卡：大角度倾斜 + 向左突出 + 放大，视觉主角 */
.sample-card.is-feature {
    --sample-tilt: rotate(-3deg) translate(-14px, 6px) scale(1.05);
    grid-column: span 3;
    grid-row: span 2;
    z-index: 5;
    box-shadow: 0 34px 70px -22px rgba(15, 23, 42, 0.4);
}

/* 主卡编号 */
.sample-card.is-feature::after {
    content: '01';
    position: absolute;
    right: 14px;
    top: 4px;
    font-size: 52px;
    font-weight: 800;
    line-height: 1;
    color: rgba(255, 255, 255, 0.92);
    text-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
    z-index: 6;
    pointer-events: none;
}

/* 竖条卡（1 列 × 2 行）：大角度反向倾斜 + 下沉 */
.sample-grid .sample-card:nth-child(2) {
    --sample-tilt: rotate(2.6deg) translate(14px, 30px);
    grid-column: span 1;
    grid-row: span 2;
    z-index: 4;
}

/* LED 灯镜宽卡（2 列）：上浮倾斜 */
.sample-grid .sample-card:nth-child(3) {
    --sample-tilt: rotate(-2.2deg) translateY(-22px);
    grid-column: span 2;
    z-index: 3;
}

/* 除雾 / 喷砂 / 磨砂（2 列）：强烈交替倾斜 + 上下错落 */
.sample-grid .sample-card:nth-child(5),
.sample-grid .sample-card:nth-child(6),
.sample-grid .sample-card:nth-child(7) {
    grid-column: span 2;
}

.sample-grid .sample-card:nth-child(5) {
    --sample-tilt: rotate(-2.4deg) translateY(30px);
}

.sample-grid .sample-card:nth-child(6) {
    --sample-tilt: rotate(2.2deg) translateY(-20px);
    z-index: 3;
}

.sample-grid .sample-card:nth-child(7) {
    --sample-tilt: rotate(-1.8deg) translateY(24px);
}

/* LED 框横条（全宽）：轻倾 + 微沉 */
.sample-grid .sample-card:nth-child(8) {
    grid-column: 1 / -1;
    transform: rotate(-1.2deg) translateY(10px);
}

/* 深蓝工艺数据块（嵌入网格，呼应案例区 NEW CASE 块） */
.sample-quote {
    grid-column: span 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 12px;
    padding: 36px 36px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--color1), #0d3fa8);
    color: #fff;
    box-shadow: 0 22px 46px -18px rgba(26, 86, 219, 0.55);
    transform: rotate(-1.5deg) translateY(18px);
    clip-path: polygon(0 0, 100% 12%, 100% 100%, 0 86%);
    z-index: 2;
}

.sample-quote strong {
    font-size: 34px;
    font-weight: 800;
    letter-spacing: 2px;
}

.sample-quote p {
    font-size: 14px;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.85);
    margin: 0;
    line-height: 1.8;
}

.sample-card:hover {
    transform: var(--sample-tilt) translateY(-8px) scale(1.02);
    box-shadow: 0 22px 45px -18px rgba(26, 86, 219, 0.35);
    border-color: rgba(26, 86, 219, 0.3);
}

.sample-img {
    position: relative;
    overflow: hidden;
}

/* hover 时图片内描边主题蓝光 */
.sample-img::before {
    content: '';
    position: absolute;
    inset: 0;
    box-shadow: inset 0 0 0 2px rgba(26, 86, 219, 0.45);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 3;
    pointer-events: none;
}

.sample-card:hover .sample-img::before {
    opacity: 1;
}

.sample-img img {
    width: 100%;
    height: 240px;
    object-fit: cover;
    display: block;
    transition: transform 0.5s;
}

/* 主图与竖条卡：图片填满网格高度 */
.sample-card.is-feature .sample-img,
.sample-grid .sample-card:nth-child(2) .sample-img {
    flex: 1;
}

.sample-card.is-feature .sample-img img,
.sample-grid .sample-card:nth-child(2) .sample-img img {
    height: 100%;
}

/* 横条卡：矮图 */
.sample-grid .sample-card:nth-child(8) .sample-img img {
    height: 220px;
}

.sample-card:hover .sample-img img {
    transform: scale(1.08);
}

/* 镜面光泽扫过 */
.sample-img::after {
    content: '';
    position: absolute;
    top: 0;
    left: -90%;
    width: 60%;
    height: 100%;
    background: linear-gradient(105deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transform: skewX(-18deg);
    transition: left 0.7s ease;
    pointer-events: none;
    z-index: 2;
}

.sample-card:hover .sample-img::after {
    left: 130%;
}

.sample-badge {
    position: absolute;
    left: 10px;
    top: 10px;
    font-size: 11px;
    color: #fff;
    background: linear-gradient(135deg, var(--color1), #0d3fa8);
    padding: 4px 12px;
    border-radius: 999px;
    letter-spacing: 1px;
    box-shadow: 0 4px 10px rgba(26, 86, 219, 0.3);
}

.sample-mask {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 14px;
    font-size: 12px;
    color: #fff;
    letter-spacing: 1px;
    opacity: 0;
    transform: translateY(-10px);
    transition: opacity 0.3s, transform 0.3s;
    z-index: 4;
    pointer-events: none;
}

.sample-card:hover .sample-mask {
    opacity: 1;
    transform: translateY(0);
}

/* 标题与描述：叠加在图片底部 */
.sample-body {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    padding: 42px 18px 14px;
    background: linear-gradient(transparent, rgba(9, 20, 38, 0.78));
    display: flex;
    flex-direction: column;
    gap: 6px;
    z-index: 3;
}

.sample-name {
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    line-height: 1.4;
    position: relative;
    transition: color 0.3s;
}

.sample-name::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -3px;
    width: 0;
    height: 2px;
    border-radius: 2px;
    background: #7fb2ff;
    transition: width 0.3s;
}

.sample-desc {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.78);
}

.sample-card:hover .sample-name {
    color: #fff;
}

.sample-card:hover .sample-name::after {
    width: 26px;
}

/* ============ 移动端 ============ */
@media (max-width: 900px) {
    .custom-samples {
        padding: 24px 16px 30px;
    }

    .sample-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        margin-bottom: 26px;
    }

    .sample-title {
        font-size: 34px;
    }

    .sample-points {
        justify-content: flex-start;
    }

    .sample-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }

    .sample-card.is-feature,
    .sample-grid .sample-card:nth-child(2),
    .sample-quote,
    .sample-grid .sample-card:nth-child(8) {
        grid-column: span 2;
        grid-row: auto;
    }

    .sample-card,
    .sample-card.is-feature,
    .sample-grid .sample-card:nth-child(2),
    .sample-grid .sample-card:nth-child(3),
    .sample-grid .sample-card:nth-child(5),
    .sample-grid .sample-card:nth-child(6),
    .sample-grid .sample-card:nth-child(7),
    .sample-grid .sample-card:nth-child(8) {
        transform: none;
    }

    .sample-quote {
        clip-path: none;
    }

    .sample-card.is-feature .sample-img img,
    .sample-grid .sample-card:nth-child(2) .sample-img img {
        height: 220px;
    }

    .sample-img img,
    .sample-grid .sample-card:nth-child(8) .sample-img img {
        height: 170px;
    }

    .sample-name {
        font-size: 13px;
    }

    .sample-desc {
        font-size: 11px;
    }
}