/**
 * 核心业务专题 /business/
 * 大气版：深空蓝 + 金色点缀，思源宋体跟随全站 --font
 */

:root {
    --biz-font: var(--font, 'Noto Serif SC', 'Source Han Serif SC', 'Songti SC', SimSun, serif);
}

.biz-page {
    background:
        radial-gradient(ellipse 90% 40% at 50% -10%, rgba(26, 86, 219, .07), transparent 55%),
        linear-gradient(180deg, #f7f9fc 0%, #eef2f8 40%, #f7f9fc 100%);
}

/* ---------- Hero ---------- */
.biz-hero {
    position: relative;
    overflow: hidden;
    padding: 48px 0 56px;
    color: #fff;
    background:
        radial-gradient(ellipse 55% 80% at 100% 0%, rgba(201, 162, 39, .22) 0%, transparent 50%),
        radial-gradient(ellipse 50% 70% at 0% 100%, rgba(59, 130, 246, .28) 0%, transparent 48%),
        linear-gradient(135deg, #07111f 0%, #0f2d6e 48%, #1a56db 100%);
}
.biz-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(180deg, #000 30%, transparent 92%);
    pointer-events: none;
}
.biz-hero .container { position: relative; z-index: 1; }
.biz-hero--cat,
.biz-hero--detail { padding: 44px 0 48px; }
.biz-hero .breadcrumb { margin-bottom: 22px; }
.biz-hero .breadcrumb-item a { color: rgba(255,255,255,.72); }
.biz-hero .breadcrumb-item a:hover { color: #fff; }
.biz-hero .breadcrumb-item.active { color: rgba(255,255,255,.48); }
.biz-hero .breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,.35); }

.biz-hero-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(240px, .75fr);
    gap: 36px;
    align-items: end;
}
.biz-hero--detail .biz-hero-layout,
.biz-hero--detail .biz-hero-main {
    max-width: none;
    display: block;
}

.biz-hero-main { position: relative; }
.biz-hero-kicker {
    display: inline-flex;
    align-items: center;
    margin: 0 0 14px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 12px;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: #f5e6b0;
    font-weight: 700;
    background: rgba(201, 162, 39, .16);
    border: 1px solid rgba(201, 162, 39, .35);
}
.biz-hero-title {
    margin: 0;
    font-family: var(--biz-font);
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: .02em;
    color: #fff;
    text-shadow: 0 8px 32px rgba(0,0,0,.25);
}
.biz-hero--detail .biz-hero-title {
    font-size: clamp(28px, 4vw, 40px);
}
.biz-hero-lead {
    margin: 16px 0 0;
    font-size: 16px;
    line-height: 1.75;
    color: rgba(255, 255, 255, .78);
    max-width: 36em;
}
.biz-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 26px;
}
.biz-hero-actions .btn-lg {
    min-width: 132px;
    padding: 12px 22px;
    font-weight: 700;
    border-radius: 999px;
}
.biz-hero-actions .btn-light { color: var(--primary-dark); border: 0; }
.biz-hero-actions .btn-outline-light {
    border-width: 1.5px;
    color: #fff;
}
.biz-hero-actions .btn-outline-light:hover {
    background: rgba(255, 255, 255, .12);
    color: #fff;
}

.biz-hero-cat {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 22px;
    align-items: start;
}
.biz-hero-cat-icon {
    width: 72px;
    height: 72px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: #fff;
    background: var(--pillar-accent, var(--primary));
    box-shadow: 0 14px 36px rgba(0, 0, 0, .28);
    border: 1px solid rgba(255,255,255,.18);
}

.biz-hero-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.16);
    border-radius: 20px;
    overflow: hidden;
    backdrop-filter: blur(14px);
    box-shadow: 0 20px 50px rgba(0,0,0,.18);
}
.biz-hero-stat {
    padding: 22px 14px;
    text-align: center;
    background: rgba(7, 17, 31, .35);
}
.biz-hero-stat strong {
    display: block;
    font-family: var(--biz-font);
    font-size: clamp(22px, 2.4vw, 28px);
    font-weight: 700;
    color: #fff;
    margin-bottom: 4px;
}
.biz-hero-stat span {
    font-size: 12px;
    color: rgba(255,255,255,.62);
    letter-spacing: .04em;
}

/* ---------- Sections ---------- */
.biz-section { padding: 64px 0; }
.biz-section-head {
    text-align: center;
    max-width: 560px;
    margin: 0 auto 36px;
}
.biz-section-kicker {
    display: inline-flex;
    margin: 0 0 10px;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .08em;
    color: var(--primary);
    background: rgba(26, 86, 219, .08);
}
.biz-section-head h2 {
    margin: 0;
    font-family: var(--biz-font);
    font-size: clamp(24px, 3vw, 32px);
    font-weight: 700;
    color: var(--dark);
}
.biz-section-head p {
    margin: 10px 0 0;
    font-size: 15px;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ---------- Pillars ---------- */
.biz-pillars { background: var(--white); padding-top: 56px; }
.biz-pillars-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}
.biz-pillar-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 28px 26px;
    border-top: 3px solid var(--pillar-accent, var(--primary));
    transition: box-shadow .2s, transform .2s, background .2s;
}
.biz-pillar-card:hover {
    background: var(--white);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}
.biz-pillar-head {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 14px;
}
.biz-pillar-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #fff;
    background: var(--pillar-accent, var(--primary));
    flex-shrink: 0;
}
.biz-pillar-head h3 {
    margin: 0;
    font-family: var(--biz-font);
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
}
.biz-pillar-count {
    display: inline-block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-muted);
}
.biz-pillar-card > p {
    margin: 0;
    font-size: 14px;
    line-height: 1.75;
    color: var(--text-muted);
}
.biz-pillar-tags {
    list-style: none;
    margin: 16px 0 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.biz-pillar-tags li {
    font-size: 12px;
    padding: 4px 10px;
    border-radius: 6px;
    background: var(--white);
    border: 1px solid var(--border);
    color: var(--text-muted);
}
.biz-pillar-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
}
.biz-pillar-link:hover { color: var(--primary-dark); }
.biz-pillar-link i { transition: transform .2s; }
.biz-pillar-link:hover i { transform: translateX(3px); }

/* ---------- Filter ---------- */
.biz-filter {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 32px;
}
.biz-filter a {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--white);
    border: 1px solid var(--border);
    transition: background .2s, color .2s, border-color .2s;
}
.biz-filter a:hover {
    color: var(--primary);
    border-color: rgba(26, 86, 219, .35);
}
.biz-filter a.is-active {
    color: #fff;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-color: transparent;
}

/* ---------- Service cards ---------- */
.biz-services { background: var(--bg); }
.biz-services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}
.biz-service-card {
    display: flex;
    flex-direction: column;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    color: inherit;
    transition: transform .25s, box-shadow .25s, border-color .25s;
}
.biz-service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(26, 86, 219, .25);
    color: inherit;
}
.biz-service-cover {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: #f1f5f9;
}
.biz-service-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .35s;
}
.biz-service-card:hover .biz-service-cover img {
    transform: scale(1.05);
}
.biz-service-cover--icon {
    display: flex;
    align-items: center;
    justify-content: center;
    background:
        radial-gradient(circle at 70% 30%, rgba(201, 162, 39, .15), transparent 50%),
        linear-gradient(135deg, #eff6ff, #dbeafe);
}
.biz-service-cover--icon i {
    font-size: 42px;
    color: var(--primary);
    opacity: .65;
}
.biz-service-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 20px;
}
.biz-service-body h3 {
    margin: 0 0 10px;
    font-family: var(--biz-font);
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
}
.biz-service-body p {
    margin: 0 0 14px;
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.biz-service-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 600;
    color: var(--primary);
}
.biz-service-card:hover .biz-service-link i {
    transform: translateX(3px);
}
.biz-service-link i { transition: transform .2s; }

.biz-empty {
    text-align: center;
    padding: 56px 20px;
    color: var(--text-muted);
}
.biz-empty i {
    font-size: 48px;
    display: block;
    margin-bottom: 12px;
    opacity: .45;
}
.biz-empty p { margin: 0 0 18px; }
.biz-empty h2 {
    margin: 12px 0 16px;
    font-size: 20px;
    color: var(--dark);
}

.biz-pagination {
    margin-top: 40px;
    display: flex;
    justify-content: center;
}

/* ---------- CTA ---------- */
.biz-cta {
    padding: 56px 0 72px;
    background:
        radial-gradient(ellipse 70% 80% at 100% 0%, rgba(201, 162, 39, .15) 0%, transparent 50%),
        linear-gradient(120deg, var(--dark) 0%, var(--primary-dark) 55%, var(--primary) 100%);
}
.biz-cta--inset {
    margin: 40px 0 64px;
    padding: 36px 32px;
    border-radius: var(--radius-lg);
}
.biz-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
    flex-wrap: wrap;
    color: #fff;
}
.biz-cta-inner h2 {
    margin: 0;
    font-family: var(--biz-font);
    font-size: clamp(20px, 2.8vw, 28px);
    font-weight: 700;
}
.biz-cta-inner p {
    margin: 10px 0 0;
    font-size: 15px;
    color: rgba(255, 255, 255, .78);
    max-width: 36em;
}
.biz-cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border: none;
    border-radius: 999px;
    background: #fff;
    color: var(--primary-dark);
    font-weight: 750;
    font-size: 15px;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 12px 28px rgba(0, 0, 0, .18);
    transition: background .2s, transform .2s, color .2s;
}
.biz-cta-btn:hover {
    background: #f5e6b0;
    color: var(--dark);
    transform: translateY(-2px);
}
.biz-cta-btn i { transition: transform .2s; }
.biz-cta-btn:hover i { transform: translateX(3px); }
.biz-cta-btn--block { width: 100%; }

/* ---------- Detail ---------- */
.biz-detail-wrap {
    padding: 40px 0 24px;
}
.biz-detail-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 28px;
    align-items: start;
}
.biz-detail-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 32px 28px;
    box-shadow: var(--shadow);
}
.biz-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
    margin-bottom: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    color: var(--text-muted);
}
.biz-detail-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.biz-detail-meta i { color: var(--primary); }
.biz-detail-cover {
    margin-bottom: 24px;
    border-radius: var(--radius);
    overflow: hidden;
    background: #f1f5f9;
}
.biz-detail-cover img {
    width: 100%;
    max-height: 420px;
    object-fit: cover;
}
.biz-detail-summary {
    position: relative;
    margin-bottom: 28px;
    padding: 18px 20px 18px 48px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, #eff6ff, #f8fafc);
    border-left: 4px solid var(--primary);
}
.biz-detail-summary > i {
    position: absolute;
    left: 14px;
    top: 16px;
    font-size: 20px;
    color: var(--primary);
    opacity: .55;
}
.biz-detail-summary p {
    margin: 0;
    font-size: 15px;
    line-height: 1.75;
    color: var(--primary-dark);
}
.biz-detail-body {
    font-size: 15px;
    line-height: 1.85;
    color: var(--text);
}
.biz-detail-body img {
    border-radius: 8px;
    margin: 12px 0;
}
.biz-detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.biz-detail-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 28px;
    padding-top: 22px;
    border-top: 1px solid var(--border);
}
.biz-detail-nav-label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.biz-detail-nav a {
    font-size: 14px;
    font-weight: 600;
    color: var(--dark);
}
.biz-detail-nav a:hover { color: var(--primary); }
.biz-detail-nav-next { text-align: right; }
.biz-detail-nav-muted {
    display: block;
    font-size: 13px;
    color: var(--text-muted);
}

.biz-detail-aside {
    display: flex;
    flex-direction: column;
    gap: 18px;
    position: sticky;
    top: calc(var(--nav-h, 72px) + 16px);
}
.biz-side-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
}
.biz-side-title {
    margin: 0;
    padding: 14px 18px;
    font-size: 15px;
    font-weight: 700;
    color: var(--dark);
    border-bottom: 1px solid var(--border);
    background: #f8fafc;
}
.biz-side-list {
    list-style: none;
    margin: 0;
    padding: 8px 0;
}
.biz-side-list a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 18px;
    font-size: 14px;
    color: var(--text);
    border-bottom: 1px solid #f1f5f9;
    transition: background .15s, color .15s;
}
.biz-side-list li:last-child a { border-bottom: 0; }
.biz-side-list a:hover {
    background: #f8fafc;
    color: var(--primary);
}
.biz-side-list i {
    color: var(--primary);
    font-size: 15px;
    flex-shrink: 0;
}
.biz-side-cta {
    padding: 22px 20px;
    border-radius: var(--radius-lg);
    background:
        radial-gradient(ellipse 80% 60% at 100% 0%, rgba(201, 162, 39, .2) 0%, transparent 55%),
        linear-gradient(145deg, var(--dark) 0%, var(--primary-dark) 100%);
    color: #fff;
}
.biz-side-cta h2 {
    margin: 0;
    font-size: 17px;
    font-weight: 800;
}
.biz-side-cta p {
    margin: 8px 0 16px;
    font-size: 13px;
    color: rgba(255, 255, 255, .75);
    line-height: 1.6;
}

/* ---------- Responsive ---------- */
@media (max-width: 991.98px) {
    .biz-hero-layout {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .biz-hero-stats {
        max-width: 420px;
        grid-template-columns: repeat(4, 1fr);
    }
    .biz-pillars-grid { grid-template-columns: 1fr; }
    .biz-services-grid { grid-template-columns: repeat(2, 1fr); }
    .biz-detail-layout { grid-template-columns: 1fr; }
    .biz-detail-aside { position: static; }
    .biz-hero-cat { grid-template-columns: 1fr; }
}

@media (max-width: 575.98px) {
    .biz-hero { padding: 36px 0 40px; }
    .biz-hero-stats { grid-template-columns: repeat(2, 1fr); max-width: none; }
    .biz-section { padding: 48px 0; }
    .biz-services-grid { grid-template-columns: 1fr; }
    .biz-detail-card { padding: 22px 18px; }
    .biz-detail-nav { grid-template-columns: 1fr; }
    .biz-detail-nav-next { text-align: left; }
    .biz-cta-inner { flex-direction: column; align-items: flex-start; }
    .biz-cta-btn { width: 100%; }
    .biz-cta--inset { padding: 28px 20px; margin-bottom: 48px; }
    .biz-filter { justify-content: flex-start; }
    .biz-filter a { font-size: 13px; padding: 7px 12px; }
}

@media (max-width: 991.98px) {
    body.has-h5-tabbar .biz-cta:not(.biz-cta--inset) {
        padding-bottom: calc(72px + env(safe-area-inset-bottom, 0px));
    }
}

@media (hover: none) and (pointer: coarse) {
    .biz-service-card:hover,
    .biz-pillar-card:hover {
        transform: none;
    }
}