/* 解决方案区域 - 标题 + 跑马灯菜单 + 卡片 */
.main-header { margin-bottom: 48px; text-align: center; }
.main-title { font-family: var(--brutal-font-serif); font-size: clamp(28px, 4vw, 42px); font-weight: 900; color: #0A0A0A; margin-bottom: 16px; letter-spacing: -0.02em; }
.main-subtitle { font-size: 16px; color: #9CA3AF; max-width: 650px; margin: 0 auto; line-height: 1.7; }

.solution-marquee-wrapper-fullwidth {
	width: 100vw; margin-left: calc(-50vw + 50%); margin-right: calc(-50vw + 50%);
	overflow: hidden; position: relative; background: transparent; padding: 10px 0 32px 0;
}
.solution-marquee-wrapper-fullwidth::before,
.solution-marquee-wrapper-fullwidth::after {
	content: ''; position: absolute; top: 0; width: 120px; height: 100%; z-index: 10; pointer-events: none;
}
.solution-marquee-wrapper-fullwidth::before { left: 0; background: linear-gradient(to right, var(--brutal-bg-primary, #FAFAF9), transparent); }
.solution-marquee-wrapper-fullwidth::after { right: 0; background: linear-gradient(to left, var(--brutal-bg-primary, #FAFAF9), transparent); }
.solution-marquee-content { display: flex !important; flex-direction: row !important; flex-wrap: nowrap !important; width: fit-content; align-items: center; gap: 24px; will-change: transform; list-style: none; padding: 0 40px; margin: 0; }
.solution-menu-item {
	font-family: 'Space Mono', monospace; font-size: 13px; font-weight: 800; letter-spacing: 0.05em;
	text-transform: uppercase; padding: 14px 28px; border: 2px solid #E8E6E3; background: #FFFFFF;
	cursor: pointer; transition: all .25s cubic-bezier(0.22, 1, 0.36, 1);
	display: inline-flex; flex-direction: column; align-items: center; gap: 8px;
	flex-shrink: 0 !important; border-radius: 4px;
}
.solution-menu-item img { width: 26px; height: 26px; object-fit: contain; transition: transform .25s ease; }
.solution-menu-item span { color: #5C5C5C; transition: color .25s ease; }
.solution-menu-item:hover:not(.active) { border-color: var(--brutal-accent-red); box-shadow: 0 2px 12px rgba(255,51,102,0.15); transform: translateY(-2px); }
.solution-menu-item:hover:not(.active) img { transform: scale(1.1); }
.solution-menu-item:hover:not(.active) span { color: var(--brutal-accent-red); }
.solution-menu-item.active { background: #0A0A0A; border-color: #0A0A0A; box-shadow: 0 4px 16px rgba(10,10,10,0.2); }
.solution-menu-item.active span { color: #FFFFFF !important; }
.solution-menu-item.active:hover { box-shadow: 0 6px 20px rgba(255,51,102,0.3); transform: translateY(-2px); }

/* 解决方案卡片 */
.solution-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; list-style: none; margin: 0; padding: 0; align-items: stretch; }
.solution-card { position: relative; height: 100%; display: flex; flex-direction: column; }
.solution-card-bg { position: absolute; bottom: -12px; right: -12px; width: 100%; height: 100%; background: #F3F4F6; z-index: 0; }
.solution-card-main {
	position: relative; background: #FFFFFF; border: 2px solid #000000; padding: 0;
	box-shadow: 8px 8px 0 rgba(0,0,0,1); z-index: 1;
	transition: all 0.3s cubic-bezier(0.22,1,0.36,1); overflow: hidden;
	height: 100%; display: flex; flex-direction: column;
}
.solution-card:hover .solution-card-main { transform: translate(-4px, -4px); box-shadow: 12px 12px 0 rgba(255,51,102,0.4); }
.solution-card-main::before {
	content: ''; position: absolute; top: 0; left: 0; bottom: 0; width: 5px;
	background: linear-gradient(180deg,#FF3366 0%,#FF6B8B 100%);
	transform: scaleY(0); transform-origin: top;
	transition: transform 0.4s cubic-bezier(0.22,1,0.36,1); z-index: 2;
}
.solution-card:hover .solution-card-main::before { transform: scaleY(1); }
.solution-hot-tag {
	position: absolute; top: 16px; right: 20px;
	font-family: 'Space Mono', monospace; font-size: 9px; font-weight: 800;
	text-transform: uppercase; letter-spacing: 0.08em; padding: 5px 11px;
	color: white; background: #EF4444; z-index: 3;
	clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 0 100%);
}
.solution-card-header {
	background: #F5F5F3; padding: 1rem 1.25rem; border-bottom: 2px solid rgba(10,10,10,0.08);
	display: flex; align-items: center; gap: 0.875rem; position: relative; z-index: 2;
}
.solution-icon-box { width: 48px; height: 48px; min-width: 48px; background: #ffffff; border: 2px solid rgba(10,10,10,0.12); border-radius: 10px; display: flex; align-items: center; justify-content: center; overflow: hidden; transition: all 0.3s cubic-bezier(0.22,1,0.36,1); }
.solution-icon-box img { width: 100%; height: 100%; object-fit: contain; }
.solution-icon-box i { font-size: 1.25rem; color: #FF3366; }
.solution-card:hover .solution-card-main .solution-icon-box { transform: scale(1.05) rotate(-3deg); border-color: #FF3366; box-shadow: 0 4px 12px rgba(255,51,102,0.18); }
.solution-title-row { flex: 1; min-width: 0; }
.solution-title-text { font-family: var(--brutal-font-sans); font-weight: 700; font-size: 1rem; color: #0A0A0A; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 1.3; }
.solution-card-body { padding: 1rem 1.25rem 1.25rem; position: relative; z-index: 2; flex: 1; display: flex; flex-direction: column; }
.solution-desc-text { font-size: 0.88rem; color: #5C5C5C; line-height: 1.65; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 1rem; flex: 1; }
.third-bottom-section-label { display: flex; flex-wrap: wrap; gap: 6px; }
.third-bottom-section-label span {
	font-family: 'Space Mono', monospace; font-size: 0.68rem; font-weight: 800;
	text-transform: uppercase; letter-spacing: 0.06em; padding: 0.35rem 0.75rem;
	background: #0A0A0A; color: #ffffff; border: none; transition: all 0.25s ease;
}
.solution-card:hover .solution-card-main .third-bottom-section-label span { background: #FF3366; }
.logo_img { width: 40px; height: 40px; object-fit: contain; margin-top: auto; padding-top: 8px; }

@media (max-width: 992px) { .solution-cards { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 576px) { .solution-cards { grid-template-columns: 1fr; } }