/* ===== Solution Page Styles ===== */

/* Banner 背景图片（继承 banner-base.css 的 .sci-banner 样式） */
.sci-banner {
    --banner-color: #030610;
    --banner-bg: url('../img/solution/solution_banner.jpg');
}

/* Solution 特殊：隐藏标准 orbits，改为显示 hex 装饰 */
.sci-banner-orbits { display: none; }
.sci-banner-hex { display: block; }

/* Solution 特殊：粒子仅 5 个（隐藏第 6 个） */
.sci-banner-particle:nth-child(6) { display: none; }

/* ===== Apple-style Solution Cards ===== */

/* ── Section 整体 ── */
.solution-cards-section {
    padding: 100px 0 120px;
    background: #F5F5F7;
}

/* ── Section 标题（Apple 风格） ── */
.solution-cards-header {
    text-align: center;
    margin-bottom: 60px;
}
.solution-cards-eyebrow {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: #FF7E00;
    text-transform: uppercase;
    margin-bottom: 16px;
}
.solution-cards-heading {
    font-size: 48px;
    font-weight: 700;
    color: #1D1D1F;
    line-height: 1.08;
    letter-spacing: -0.03em;
    margin: 0 0 16px;
}
.solution-cards-desc {
    font-size: 19px;
    font-weight: 400;
    color: #86868B;
    line-height: 1.5;
    max-width: 680px;
    margin: 0 auto;
}

/* ── 卡片网格 ── */
.solution-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    max-width: 1100px;
    margin: 0 auto;
}

/* ── 单张卡片 ── */
.solution-card {
    background: #FFFFFF;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                box-shadow 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    border: none;
    outline: none;
}
.solution-card img {
    display: block;
    box-shadow: none !important;
    border: none;
    margin: 0;
    padding: 0;
}
.solution-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
}

/* ── 卡片图片区 ── */
.solution-card-visual {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 12;
    overflow: hidden;
    border-radius: 20px 20px 0 0;
    margin: 0;
    padding: 0;
    line-height: 0;
}
.solution-card-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    border-radius: 0;
    box-shadow: none !important;
    transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.solution-card:hover .solution-card-visual img {
    transform: scale(1.04);
}

/* ── 卡片内容区 ── */
.solution-card-body {
    padding: 24px 28px 28px;
}
.solution-card-en {
    display: block;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: #86868B;
    text-transform: uppercase;
    margin-bottom: 8px;
}
.solution-card-title {
    font-size: 20px;
    font-weight: 600;
    color: #1D1D1F;
    line-height: 1.3;
    margin: 0 0 10px;
    letter-spacing: -0.01em;
    transition: color 0.3s ease;
}
.solution-card:hover .solution-card-title {
    color: #FF7E00;
}
.solution-card-text {
    font-size: 14px;
    font-weight: 400;
    color: #86868B;
    line-height: 1.65;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ── 底部箭头指示 ── */
.solution-card-arrow {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
    font-size: 14px;
    font-weight: 500;
    color: #FF7E00;
    opacity: 0;
    transform: translateX(-6px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}
.solution-card-arrow svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s ease;
}
.solution-card:hover .solution-card-arrow {
    opacity: 1;
    transform: translateX(0);
}
.solution-card:hover .solution-card-arrow svg {
    transform: translateX(3px);
}

/* ── Responsive ── */
@media (max-width: 991px) {
    .solution-cards-section { padding: 70px 0 90px; }
    .solution-cards-heading { font-size: 36px; }
    .solution-cards-desc { font-size: 17px; }
    .solution-cards-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
    .solution-card-body { padding: 20px 22px 24px; }
    .solution-card-title { font-size: 18px; }
}

@media (max-width: 767px) {
    .solution-cards-section { padding: 50px 0 70px; }
    .solution-cards-header { margin-bottom: 40px; }
    .solution-cards-heading { font-size: 28px; }
    .solution-cards-desc { font-size: 15px; }
    .solution-cards-grid { grid-template-columns: 1fr; gap: 16px; max-width: 420px; }
    .solution-card { border-radius: 16px; }
    .solution-card-body { padding: 18px 20px 22px; }
    .solution-card-arrow { opacity: 1; transform: translateX(0); }
}