/* Homepage — generated from the verified 2026-07-27 split */

/* ============================================================
   HERO SECTION (Sec01) — 浅色企业级风格（参考司库立方）
   ============================================================ */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: space-between;
    overflow: hidden;
    background: #F0F5FF;
    padding-top: 68px;
}

.hero-banner {
    position: relative;
    flex: 1;
    display: flex;
    align-items: stretch;
    overflow: hidden;
    background: #F6FAFF;
}

.hero-bg { position: absolute; inset: 0; }

.hero-bg-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
}

.hero-grid-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle, rgba(30,111,255,0.035) 1px, transparent 1px);
    background-size: 40px 40px;
}

.hero-inner {
    position: relative;
    z-index: 2;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 80px;
    flex: 1;
    width: 100%;
}

.hero-content { flex: 1; }

.hero-tag {
    display: inline-block;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-primary);
    background: rgba(30,111,255,0.08);
    border: 1px solid rgba(30,111,255,0.16);
    border-radius: var(--radius-full);
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.hero-title { margin-bottom: 20px; }
.hero-title-line {
    display: block;
    font-size: clamp(34px, 5vw, 52px);
    font-weight: 800;
    line-height: 1.25;
    color: var(--text-primary);
    letter-spacing: -1px;
}
.hero-title-line.hero-title-prefix {
    font-size: clamp(26px, 3.2vw, 46px);
}
.hero-title-highlight {
    background: var(--gradient-blue-purple);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(15px, 2vw, 18px);
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 0;
    max-width: 600px;
}

.hero-cta { display: flex; gap: 16px; margin-bottom: 48px; flex-wrap: wrap; }

.hero-cta .btn-outline-white {
    color: var(--color-primary);
    background: rgba(255, 255, 255, 0.78);
    border-color: rgba(30, 111, 255, 0.32);
    box-shadow: 0 8px 24px rgba(30, 111, 255, 0.08);
}
.hero-cta .btn-outline-white:hover {
    color: var(--text-white);
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.hero-metrics {
    position: relative;
    z-index: 2;
    width: 100%;
    padding: 28px 24px;
    background: linear-gradient(180deg, #F7FBFF 0%, #EEF5FF 100%);
    border-top: 1px solid rgba(30,111,255,0.12);
}

.hero-stats {
    max-width: var(--container-max);
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 32px;
}
.stat-item {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: center;
    gap: 2px;
    text-align: center;
}
.stat-number {
    font-size: 28px;
    font-weight: 800;
    color: #12325F;
    line-height: 1;
}
.stat-suffix {
    font-size: 16px;
    font-weight: 700;
    color: var(--color-primary);
}
.stat-label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
    width: 100%;
    flex-basis: 100%;
}

/* Hero Visual — 集团组织网络图 */
.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-illustration {
    position: relative;
    width: 400px;
    height: 300px;
}

.illust-card {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 16px 20px;
    background: rgba(255,255,255,0.07);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 24px rgba(0,0,0,0.2);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-white);
    transition: all var(--transition-base);
}
.illust-card:hover {
    background: rgba(255,255,255,0.12);
    border-color: rgba(255,255,255,0.25);
    transform: translateY(-2px);
}
.illust-icon { font-size: 24px; }

.card-1 { top: 0; left: 140px; }
.card-2 { top: 40px; left: 0; }
.card-3 { bottom: 40px; right: 0; }

.illust-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}
.illust-core {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    width: 120px;
    height: 120px;
    background: var(--gradient-blue-purple);
    border-radius: 50%;
    box-shadow: 0 12px 40px rgba(30,111,255,0.3);
    justify-content: center;
    color: white;
    font-size: 14px;
}
.core-icon { font-size: 32px; }
.illust-core strong { font-weight: 700; }

.illust-lines { position: absolute; inset: 0; z-index: 1; }
.illust-svg { width: 100%; height: 100%; }
@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   CHALLENGES SECTION (Sec02)
   ============================================================ */
.challenges-section {
    padding: var(--section-padding);
    background: var(--bg-white);
    position: relative;
}

.challenges-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.challenge-card {
    background: var(--bg-white);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}
.challenge-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient-blue-purple);
    opacity: 0;
    transition: opacity var(--transition-base);
}
.challenge-card:hover {
    box-shadow: var(--shadow-card-hover);
    border-color: var(--color-primary);
    transform: translateY(-4px);
}
.challenge-card:hover::before { opacity: 1; }

.challenge-icon { margin-bottom: 20px; }
.challenge-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}
.challenge-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ============================================================
   PRODUCTS SECTION (Sec03)
   ============================================================ */
.products-section {
    padding: var(--section-padding);
    background:
        radial-gradient(circle at 10% 5%, rgba(30, 111, 255, 0.1), transparent 26%),
        linear-gradient(180deg, #F6F9FF 0%, #EDF3FF 100%);
    position: relative;
    overflow: hidden;
}

.products-section::before {
    content: '';
    position: absolute;
    width: 420px;
    height: 420px;
    right: -180px;
    top: 40px;
    border: 1px solid rgba(30, 111, 255, 0.08);
    border-radius: 50%;
    box-shadow: 0 0 0 70px rgba(30, 111, 255, 0.025), 0 0 0 140px rgba(30, 111, 255, 0.018);
    pointer-events: none;
}

.products-section .section-container {
    position: relative;
    z-index: 1;
}

.products-section-header {
    max-width: 900px;
    margin-right: auto;
    margin-left: auto;
    margin-bottom: 32px;
}

.product-suite-shell {
    padding: 16px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(30, 111, 255, 0.12);
    border-radius: 24px;
    box-shadow: 0 24px 70px rgba(30, 65, 120, 0.12);
    backdrop-filter: blur(16px);
}

.product-stage-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
}

.product-stage {
    --stage-color: #1E6FFF;
    --stage-soft: #EDF4FF;
    min-width: 0;
    padding: 10px;
    background: rgba(247, 250, 255, 0.72);
    border: 1px solid rgba(124, 145, 178, 0.13);
    border-radius: 17px;
    position: relative;
}

.product-stage::before {
    content: '';
    position: absolute;
    top: 0;
    left: 24px;
    right: 24px;
    height: 2px;
    background: var(--stage-color);
    border-radius: 0 0 4px 4px;
    opacity: 0.42;
}

.product-stage-cyan { --stage-color: #0891B2; --stage-soft: #EAFBFF; }
.product-stage-purple { --stage-color: #6D5CE8; --stage-soft: #F1EFFF; }
.product-stage-orange { --stage-color: #D97706; --stage-soft: #FFF5E8; }

.product-stage-head {
    display: flex;
    align-items: center;
    gap: 8px;
    min-height: 50px;
    padding: 5px 7px 9px;
}

.product-stage-head > div {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 7px;
}

.product-stage-number {
    color: var(--stage-color);
    font-size: 15px;
    font-weight: 850;
    letter-spacing: -0.03em;
    opacity: 0.48;
}

.product-stage-head p {
    color: var(--stage-color);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.product-stage-head h3 {
    color: #172B4A;
    font-size: 16px;
    line-height: 1.35;
    white-space: nowrap;
}

.suite-product-list {
    display: grid;
    gap: 10px;
}

.suite-product-card {
    min-height: 232px;
    display: flex;
    flex-direction: column;
    padding: 20px 16px 17px;
    background: #FFFFFF;
    border: 1px solid rgba(30, 111, 255, 0.13);
    border-radius: 15px;
    box-shadow: 0 9px 24px rgba(37, 64, 110, 0.08);
    transition: transform var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.suite-product-card:hover {
    border-color: var(--stage-color);
    box-shadow: 0 14px 30px rgba(37, 64, 110, 0.12);
    transform: translateY(-3px);
}

.suite-product-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.suite-product-title .product-icon {
    width: 38px;
    height: 38px;
    color: var(--stage-color);
    background: var(--stage-soft);
    border-color: transparent;
    border-radius: 10px;
}

.suite-product-title .product-icon svg { width: 23px; height: 23px; }
.suite-product-title h4 { color: #1B2E4B; font-size: 17px; line-height: 1.35; }

.suite-product-card > p {
    min-height: 71px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
    margin-bottom: 13px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
}

.suite-product-card .product-tags { gap: 5px; margin-top: auto; }
.suite-product-card .tag { padding: 2px 7px; color: var(--stage-color); background: var(--stage-soft); font-size: 12px; }

.suite-product-card > a {
    display: inline-flex;
    align-items: center;
    align-self: flex-start;
    gap: 5px;
    margin-top: 14px;
    color: var(--stage-color);
    font-size: 14px;
    font-weight: 800;
}

.suite-product-card > a::after {
    content: '\2192';
    transition: transform var(--transition-fast);
}

.suite-product-card > a:hover::after { transform: translateX(3px); }

.product-icon {
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--color-primary);
    background: var(--color-primary-bg);
    border: 1px solid rgba(30, 111, 255, 0.14);
    border-radius: var(--radius-md);
}
.product-icon svg {
    width: 24px;
    height: 24px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.tag {
    display: inline-block;
    padding: 3px 10px;
    font-size: 12px;
    color: var(--color-primary);
    background: var(--color-primary-bg);
    border-radius: var(--radius-full);
    font-weight: 500;
}
/* ============================================================
   AI SECTION (Sec04)
   ============================================================ */
.ai-section {
    padding: var(--section-padding);
    background: var(--bg-white);
    position: relative;
    overflow: hidden;
}
.ai-agent-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 24px;
}
.ai-agent-card {
    min-height: 312px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 42px 28px 30px;
    background: rgba(255,255,255,0.92);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-lg);
    box-shadow: none;
    transition: all var(--transition-base);
}
.ai-agent-card:hover {
    transform: translateY(-4px);
    border-color: rgba(30,111,255,0.18);
    box-shadow: none;
}
.ai-agent-avatar {
    position: relative;
    width: 104px;
    height: 104px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
}
.ai-agent-avatar::before {
    content: '';
    position: absolute;
    inset: 14px;
    border-radius: 50%;
    background: linear-gradient(180deg, #F9FBFF 0%, #E9F2FF 100%);
    box-shadow: inset 0 -8px 18px rgba(30,111,255,0.08);
}
.ai-agent-avatar::after {
    content: '';
    position: absolute;
    inset: 8px;
    border-radius: 50%;
    border: 2px solid rgba(88, 121, 255, 0.35);
    border-top-color: transparent;
    transform: rotate(-18deg);
}
.ai-agent-avatar svg {
    position: relative;
    z-index: 2;
    width: 62px;
    height: 62px;
    padding: 14px;
    border-radius: 50%;
    color: #FFFFFF;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
    background: linear-gradient(135deg, #3B82F6 0%, #8B5CF6 100%);
    box-shadow: 0 12px 28px rgba(59,130,246,0.22);
}
.ai-agent-title {
    min-width: 220px;
    max-width: 260px;
    padding: 8px 18px;
    font-size: 20px;
    font-weight: 800;
    line-height: 1.25;
    color: var(--color-primary);
    background:
        linear-gradient(#FFFFFF, #FFFFFF) padding-box,
        linear-gradient(90deg, #6DB7FF 0%, #1E6FFF 42%, #06B6D4 72%, #4F46E5 100%) border-box;
    border: 2px solid transparent;
    border-radius: var(--radius-full);
    box-shadow: 0 8px 20px rgba(30, 111, 255, 0.14);
    margin-bottom: 22px;
}
.ai-agent-desc {
    min-height: 58px;
    font-size: 15px;
    line-height: 1.75;
    color: var(--text-secondary);
    margin-bottom: 0;
}
.ai-section-cta {
    position: relative;
    z-index: 2;
    margin-top: 34px;
    text-align: center;
}
.ai-section-cta a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 28px;
    border-radius: var(--radius-full);
    background: var(--gradient-btn);
    color: #FFFFFF;
    font-size: 16px;
    font-weight: 800;
    box-shadow: none;
    transition: all var(--transition-fast);
}
.ai-section-cta a:hover {
    transform: translateY(-2px);
    background: var(--gradient-btn-hover);
    box-shadow: none;
}

/* ============================================================
   SOLUTIONS SECTION (Sec05)
   ============================================================ */
.solutions-section {
    padding: var(--section-padding);
    background: var(--bg-page);
}

.industry-showcase-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.industry-showcase-card {
    position: relative;
    min-height: 292px;
    aspect-ratio: 1.18;
    border-radius: var(--radius-sm);
    overflow: hidden;
    isolation: isolate;
    background: #0A1D3C;
    box-shadow: 0 14px 36px rgba(10, 29, 60, 0.12);
    transition: transform 0.28s ease, box-shadow 0.28s ease;
}
.industry-showcase-card:hover,
.industry-showcase-card:focus-within {
    transform: translateY(-8px);
    box-shadow: 0 22px 46px rgba(10, 29, 60, 0.18);
}
.industry-showcase-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.industry-showcase-shade {
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(180deg, rgba(7, 18, 39, 0.22) 0%, rgba(7, 18, 39, 0.74) 100%);
}
.industry-showcase-head {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    padding: 34px 34px 0;
    color: var(--text-white);
    visibility: visible;
}
.industry-showcase-head h3 {
    font-size: 26px;
    line-height: 1.25;
    font-weight: 700;
    color: var(--text-white);
}
.industry-showcase-icon {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    color: var(--text-white);
}
.industry-showcase-icon svg {
    width: 36px;
    height: 36px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.9;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.industry-showcase-content {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 34px;
    color: var(--text-white);
    background: linear-gradient(180deg, rgba(5, 16, 38, 0) 18%, rgba(5, 16, 38, 0.86) 100%);
}
.industry-showcase-content p {
    max-width: 92%;
    min-height: 52px;
    margin-bottom: 18px;
    font-size: 15px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.88);
}
.industry-showcase-content a {
    width: fit-content;
    font-size: 15px;
    font-weight: 700;
    color: var(--text-white);
    border-bottom: 1px solid rgba(255, 255, 255, 0.72);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.solution-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}
.solution-card:hover {
    box-shadow: var(--shadow-card-hover);
    border-color: var(--color-primary);
    transform: translateY(-3px);
}
.solution-icon {
    width: 56px;
    height: 56px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--color-primary);
    background: var(--color-primary-bg);
    border: 1px solid rgba(30, 111, 255, 0.14);
    border-radius: var(--radius-md);
}
.solution-icon svg {
    width: 30px;
    height: 30px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.solution-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}
.solution-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}
.solution-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap var(--transition-fast);
}
.solution-link:hover { gap: 8px; }

/* ============================================================
   CASES SECTION (Sec06)
   ============================================================ */
.cases-section {
    padding: var(--section-padding);
    background: var(--bg-white);
}

/* Logo Wall */
.logo-wall {
    position: relative;
    display: grid;
    gap: 18px;
    margin-bottom: 0;
    overflow: hidden;
    padding: 32px 0 18px;
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
    mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.logo-wall-row {
    overflow: hidden;
}
.logo-wall-strip {
    display: flex;
    width: max-content;
    animation: logoMarquee 42s linear infinite;
    will-change: transform;
}
.logo-wall-row:nth-child(even) .logo-wall-strip {
    animation-name: logoMarqueeReverse;
}
.logo-wall-row:nth-child(3) .logo-wall-strip {
    animation-duration: 46s;
}
.logo-wall-row:nth-child(4) .logo-wall-strip {
    animation-duration: 48s;
}
.logo-wall-set {
    display: flex;
    flex: 0 0 auto;
    gap: 24px;
    padding-right: 24px;
}
@keyframes logoMarquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}
@keyframes logoMarqueeReverse {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}
.logo-wall:hover .logo-wall-strip {
    animation-play-state: paused;
}
.logo-item {
    width: 160px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-white);
    border: 1px solid var(--border-card);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    color: var(--text-secondary);
    padding: 12px 18px;
    white-space: nowrap;
    overflow: hidden;
    transition: all var(--transition-fast);
}
.logo-item img {
    width: 100%;
    height: 100%;
    max-width: 124px;
    max-height: 48px;
    object-fit: contain;
}
.logo-item:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}
@media (prefers-reduced-motion: reduce) {
    .logo-wall-strip {
        animation-play-state: paused;
    }
}

/* Featured Cases */
.featured-cases {
    margin-bottom: 42px;
}
.featured-cases-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 18px;
}
.featured-cases-title h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.3;
}
.featured-case-controls {
    display: flex;
    gap: 10px;
    flex-shrink: 0;
}
.featured-case-btn {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    background: var(--bg-white);
    border: 1px solid rgba(30, 111, 255, 0.18);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}
.featured-case-btn:hover {
    color: var(--text-white);
    background: var(--color-primary);
    border-color: var(--color-primary);
}
.featured-case-btn svg {
    width: 18px;
    height: 18px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.featured-case-scroll {
    overflow-x: auto;
    overflow-y: hidden;
    padding: 4px 2px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.featured-case-scroll::-webkit-scrollbar {
    display: none;
}
.featured-case-track {
    display: flex;
    gap: 20px;
    width: 100%;
}
.featured-case-card {
    position: relative;
    flex: 0 0 calc((100% - 40px) / 3);
    display: flex;
    flex-direction: column;
    background: var(--bg-white);
    border: 1px solid rgba(30, 111, 255, 0.16);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    scroll-snap-align: start;
    transition: all var(--transition-base);
    overflow: hidden;
}
.featured-case-card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: var(--gradient-blue-cyan);
    opacity: 0.9;
}
.featured-case-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-3px);
}
.featured-case-image {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #EAF2FF;
    overflow: hidden;
}
.featured-case-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}
.featured-case-card:hover .featured-case-image img {
    transform: scale(1.04);
}
.featured-case-mask {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    min-height: 58px;
    display: flex;
    align-items: flex-end;
    padding: 18px 22px;
    background: linear-gradient(180deg, rgba(5, 18, 43, 0) 0%, rgba(5, 18, 43, 0.78) 100%);
}
.featured-case-mask span {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-white);
    line-height: 1.2;
}
.featured-case-body {
    padding: 20px 22px 22px;
}
.featured-case-body p {
    display: -webkit-box;
    overflow: hidden;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}
.featured-case-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 14px;
    font-size: 14px;
    font-weight: 700;
    color: var(--color-primary);
}
.featured-case-link::after {
    content: '>';
    transition: transform var(--transition-fast);
}
.featured-case-link:hover::after {
    transform: translateX(3px);
}
.cases-featured {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}
.case-card {
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all var(--transition-base);
}
.case-card:hover { box-shadow: var(--shadow-md); }
.case-header { margin-bottom: 20px; }

/* ============================================================
   ADVANTAGES SECTION (Sec07)
   ============================================================ */
.advantages-section {
    padding: var(--section-padding);
    background: var(--bg-page);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.advantage-card {
    text-align: center;
    padding: 40px 28px;
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}
.advantage-card:hover {
    box-shadow: var(--shadow-card-hover);
    border-color: var(--color-primary);
    transform: translateY(-3px);
}
.advantage-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    background: var(--color-primary-bg);
    border-radius: var(--radius-lg);
}
.advantage-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}
.advantage-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
}

@media (max-width: 1199px) {
    .hero-bg-img { object-position: 58% center; }

    .hero-inner { flex-direction: column; gap: 48px; text-align: center; padding: 0 20px; }

    .hero-content { width: 100%; }

    .hero-subtitle { margin: 0 auto; }

    .hero-cta { justify-content: center; }

    .hero-stats { gap: 24px; }

    .hero-visual { max-width: 320px; width: 100%; }

    .challenges-grid { grid-template-columns: repeat(2, 1fr); }

    .product-stage-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .ai-agent-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .industry-showcase-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

    .solutions-grid { grid-template-columns: repeat(2, 1fr); }

    .advantages-grid { grid-template-columns: repeat(2, 1fr); }

    .featured-case-card { flex-basis: calc((100% - 20px) / 2); }

    .cases-featured { grid-template-columns: 1fr; }
}

@media (max-width: 767px) {
    .hero-section { min-height: 100vh; padding: 68px 0 0; }

    .hero-bg-img { object-position: left center; }

    .hero-inner {
        justify-content: center;
        padding: 0 16px;
    }

    .hero-content {
        flex: 0 0 auto;
    }

    .hero-title-line { font-size: 28px; }

    .hero-title-prefix { font-size: 24px; }

    .hero-subtitle { font-size: 15px; }

    .hero-metrics { padding: 22px 16px; }

    .hero-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 16px; }

    .hero-visual { display: none; }

    .hero-cta { flex-direction: column; align-items: center; }

    .hero-cta .btn { width: 100%; max-width: 280px; }

    .challenges-grid { grid-template-columns: 1fr; }

    .products-section-header { margin-bottom: 24px; }

    .product-suite-shell { padding: 10px; border-radius: 20px; }

    .product-stage-grid { grid-template-columns: 1fr; }

    .product-stage { padding: 10px; }

    .product-stage-head { min-height: 48px; padding: 4px 6px 8px; }

    .product-stage-head h3 { font-size: 17px; }

    .suite-product-card { min-height: 0; }

    .ai-section { padding: 56px 0; }

    .ai-agent-grid { grid-template-columns: 1fr; gap: 18px; }

    .ai-agent-card { min-height: 300px; padding: 34px 22px 26px; }

    .ai-agent-avatar { width: 90px; height: 90px; margin-bottom: 18px; }

    .ai-agent-avatar svg { width: 54px; height: 54px; padding: 12px; }

    .ai-agent-title { min-width: 0; width: 100%; max-width: 240px; font-size: 18px; }

    .industry-showcase-grid { grid-template-columns: 1fr; }

    .industry-showcase-card { min-height: 270px; aspect-ratio: auto; }

    .industry-showcase-head { padding: 28px 24px 0; }

    .industry-showcase-head h3 { font-size: 22px; }

    .industry-showcase-content {
            padding: 28px 24px;
        }

    .industry-showcase-content p { max-width: 100%; min-height: auto; font-size: 14px; }

    .solutions-grid { grid-template-columns: 1fr; }

    .featured-cases { margin-bottom: 34px; }

    .featured-cases-header { align-items: flex-start; }

    .featured-cases-title h3 { font-size: 22px; }

    .featured-case-btn { width: 36px; height: 36px; }

    .featured-case-card { flex-basis: min(84vw, 320px); }

    .featured-case-mask { min-height: 52px; padding: 16px 18px; }

    .featured-case-mask span { font-size: 18px; }

    .featured-case-body { min-height: 128px; padding: 18px; }

    .logo-wall { gap: 14px; padding: 26px 0 12px; }

    .logo-wall-set { gap: 14px; padding-right: 14px; }

    .logo-item { width: 130px; height: 64px; font-size: 13px; }

    .logo-item img { max-width: 104px; max-height: 38px; }

    .advantages-grid { grid-template-columns: 1fr; }
}

@media (min-width: 1400px) {
    .hero-title-line { font-size: 60px; }
}