/* ==========================================================================
   首页 —— “织造美学”主题布局与交互
   ========================================================================== */

.hero-section {
    position: relative;
    min-height: 88vh;
    display: flex;
    align-items: center;
    padding: var(--spacing-xl) 0 var(--spacing-lg);
    background: linear-gradient(135deg, rgba(63, 81, 181, 0.38), rgba(210, 180, 140, 0.32)),
                url("../images/abstract_bg/grey_fabric_texture_5.jpg") center/cover;
    color: var(--color-surface);
    overflow: hidden;
}

.hero-section::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 15% 20%, rgba(255, 255, 255, 0.38), transparent 52%),
                linear-gradient(160deg, rgba(63, 81, 181, 0.45), transparent 60%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    gap: var(--spacing-md);
    max-width: 620px;
}

.hero-content h1 {
    color: #ffffff;
}

.hero-description {
    color: rgba(255, 255, 255, 0.88);
    font-size: 1.06rem;
    margin-bottom: 0;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-metrics {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.hero-metric-item {
    min-width: 160px;
    padding: 0.85rem 1.35rem;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(12px);
    box-shadow: 0 18px 36px rgba(0, 0, 0, 0.15);
}

.hero-metric-item strong {
    display: block;
    font-size: 2rem;
    color: #ffffff;
}

.hero-visual {
    position: absolute;
    right: 8%;
    top: 50%;
    transform: translateY(-50%);
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.2), rgba(63, 81, 181, 0.35));
    border: 1px solid rgba(255, 255, 255, 0.32);
    box-shadow: 0 24px 50px rgba(29, 43, 108, 0.32);
    overflow: hidden;
    display: grid;
    place-items: center;
}

.hero-visual img {
    width: 82%;
    border-radius: 50%;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

.hero-ribbon {
    position: absolute;
    bottom: 12%;
    left: 12%;
    padding: 0.7rem 1.4rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: #ffffff;
    letter-spacing: 0.06em;
    font-size: 0.82rem;
    backdrop-filter: blur(14px);
}

/* 季度新品发布 */
.showcase-section {
    position: relative;
}

.showcase-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.showcase-card {
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-sm);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    display: grid;
    gap: var(--spacing-sm);
    border: 1px solid rgba(63, 81, 181, 0.08);
}

.showcase-card img {
    height: 220px;
    object-fit: cover;
    border-radius: var(--border-radius-md);
}

.showcase-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-muted);
    font-size: var(--font-size-small);
}

.showcase-tag {
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    background: rgba(63, 81, 181, 0.08);
    color: var(--color-primary-dark);
    font-size: 0.8rem;
}

.showcase-card h3 {
    margin-bottom: 0.4rem;
}

.showcase-card p {
    color: var(--color-muted);
}

/* 面料展示墙 */
.fabric-wall {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-sm);
}

.fabric-card {
    position: relative;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    background: var(--color-surface);
    transition: transform 0.35s ease, box-shadow 0.35s ease;
}

.fabric-card img {
    height: 180px;
    width: 100%;
    object-fit: cover;
    border-radius: 0;
}

.fabric-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
}

.fabric-info {
    padding: 1.1rem 1.35rem;
    display: grid;
    gap: 0.65rem;
}

.fabric-properties {
    display: flex;
    gap: 0.45rem;
    flex-wrap: wrap;
}

.fabric-properties span {
    font-size: 0.8rem;
    padding: 0.4rem 0.75rem;
    border-radius: 999px;
    background: rgba(210, 180, 140, 0.25);
    color: var(--color-accent-strong);
}

.fabric-palette {
    display: flex;
    gap: 0.35rem;
}

.fabric-palette span {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.9);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.13);
}

/* 设计趋势 */
.trend-section {
    position: relative;
}

.trend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--spacing-md);
}

.trend-card {
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-lg);
    background: var(--color-surface);
    border: 1px solid rgba(63, 81, 181, 0.08);
    box-shadow: var(--shadow-sm);
    display: grid;
    gap: 0.9rem;
}

.trend-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.trend-title {
    display: grid;
    gap: 0.2rem;
}

.trend-title span {
    font-size: 0.8rem;
    color: var(--color-muted);
}

.trend-stats {
    display: flex;
    gap: 0.65rem;
}

.trend-stats span {
    font-size: 0.78rem;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    background: rgba(63, 81, 181, 0.09);
    color: var(--color-primary-dark);
}

.trend-chart {
    height: 120px;
    border-radius: var(--border-radius-md);
    background: linear-gradient(135deg, rgba(63, 81, 181, 0.08), rgba(210, 180, 140, 0.25));
    position: relative;
}

.trend-chart::before,
.trend-chart::after {
    content: "";
    position: absolute;
    height: 60%;
    width: 65%;
    border-radius: 50%;
    border: 1px dashed rgba(63, 81, 181, 0.28);
    top: 20%;
    left: 18%;
}

.trend-chart::after {
    width: 35%;
    height: 35%;
    top: 32%;
    left: 32%;
    border-style: solid;
    border-color: rgba(210, 180, 140, 0.45);
}

.trend-card ul {
    list-style: none;
    display: grid;
    gap: 0.5rem;
    color: var(--color-muted);
    font-size: 0.9rem;
}

/* 数字化工具套件 */
.digital-suite {
    background: linear-gradient(155deg, rgba(63, 81, 181, 0.08), rgba(210, 180, 140, 0.28));
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.digital-suite::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 12% 24%, rgba(63, 81, 181, 0.15), transparent 60%);
    opacity: 0.6;
}

.suite-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
}

.suite-card {
    padding: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(63, 81, 181, 0.12);
    box-shadow: var(--shadow-sm);
    display: grid;
    gap: 0.65rem;
}

.suite-card h3 {
    margin: 0;
}

.suite-card p {
    font-size: 0.95rem;
    color: var(--color-muted);
}

.suite-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.5rem;
}

.suite-actions button {
    flex: 1;
    min-width: 130px;
}

.suite-list {
    list-style: none;
    display: grid;
    gap: 0.5rem;
    color: var(--color-muted);
}

.suite-list li {
    position: relative;
    padding-left: 1.5rem;
}

.suite-list li::before {
    content: "";
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    left: 0;
    top: 0.45rem;
    background: linear-gradient(135deg, rgba(63, 81, 181, 0.85), rgba(210, 180, 140, 0.85));
}

/* 快速询样 CTA */
.sampling-section {
    position: relative;
    overflow: hidden;
}

.sampling-wrapper {
    display: grid;
    gap: var(--spacing-md);
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    align-items: stretch;
}

.sampling-card {
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(63, 81, 181, 0.1);
    display: grid;
    gap: 0.85rem;
}

.sampling-form {
    display: grid;
    gap: var(--spacing-sm);
}

.sampling-form label {
    font-size: 0.85rem;
    color: var(--color-muted);
}

.sampling-form input,
.sampling-form select,
.sampling-form textarea {
    border: 1px solid rgba(63, 81, 181, 0.16);
    border-radius: var(--border-radius-sm);
    padding: 0.75rem 1rem;
    font-family: inherit;
    background: rgba(255, 255, 255, 0.9);
    color: var(--color-ink);
    transition: border 0.25s ease, box-shadow 0.25s ease;
}

.sampling-form input:focus,
.sampling-form select:focus,
.sampling-form textarea:focus {
    outline: none;
    border-color: rgba(63, 81, 181, 0.5);
    box-shadow: 0 0 0 4px rgba(63, 81, 181, 0.12);
}

.sampling-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.sampling-tags span {
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    background: rgba(210, 180, 140, 0.22);
    color: var(--color-accent-strong);
    font-size: 0.82rem;
}

/* 行业洞察 */
.insight-section {
    background: rgba(255, 255, 255, 0.88);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.insight-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.insight-card {
    display: grid;
    gap: 0.75rem;
    background: rgba(63, 81, 181, 0.05);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-sm);
    border: 1px dashed rgba(63, 81, 181, 0.15);
}

.insight-card strong {
    font-size: 1.1rem;
    color: var(--color-primary-dark);
}

.insight-card span {
    font-size: 0.88rem;
    color: var(--color-muted);
}

/* ==========================================================================
   响应式布局优化
   ========================================================================== */
@media (max-width: 1100px) {
    .hero-visual {
        opacity: 0.35;
        transform: translate(40%, -50%);
    }
}

@media (max-width: 992px) {
    .hero-section {
        padding-top: var(--spacing-lg);
    }

    .hero-visual {
        display: none;
    }
}

@media (max-width: 720px) {
    .hero-actions {
        flex-direction: column;
    }

    .hero-metric-item {
        min-width: 140px;
    }
}

@media (max-width: 560px) {
    .showcase-card img {
        height: 180px;
    }

    .fabric-wall {
        grid-template-columns: 1fr;
    }

    .sampling-wrapper {
        grid-template-columns: 1fr;
    }
}