/* 5. 首屏 (Hero Section) */
.hero-section {
    position: relative;
    padding-top: 140px;
    padding-bottom: 120px;
    background: var(--primary-gradient);
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg-glow {
    position: absolute;
    top: -20%;
    right: -10%;
    width: 60%;
    height: 70%;
    background: radial-gradient(circle, rgba(226,30,92,0.15) 0%, rgba(165,10,115,0.05) 50%, rgba(0,0,0,0) 100%);
    filter: blur(80px);
    z-index: 1;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(226, 30, 92, 0.15);
    border: 1px solid rgba(226, 30, 92, 0.3);
    color: var(--color-primary-pink);
    border-radius: 30px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--color-text-white);
    box-shadow: 0 0 15px rgba(226, 30, 92, 0.1) inset;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-muted-light);
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* 右侧视觉元素与浮动卡片 */
.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.visual-card-wrapper {
    position: relative;
    width: 320px;
    height: 320px;
}

.visual-circle-gradient {
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(165,10,115,0.2) 0%, rgba(11,12,63,0.8) 100%);
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 50px rgba(165, 10, 115, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: rotateSlow 20s linear infinite;
}

.inner-icon {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    background-color: #ffffff;
    padding: 24px;
    object-fit: contain;
    border: 4px solid rgba(255, 255, 255, 0.15);
    animation: scalePulse 4s ease-in-out infinite alternate;
}

.floating-card {
    position: absolute;
    z-index: 10;
    background: rgba(15, 16, 38, 0.7);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 16px;
    border-radius: var(--border-radius-md);
    display: flex;
    gap: 12px;
    align-items: center;
    width: 220px;
    box-shadow: var(--shadow-lg);
}

.floating-card h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.floating-card p {
    font-size: 0.75rem;
    color: var(--color-text-muted-light);
}

.floating-card .card-icon {
    font-size: 1.5rem;
    padding: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
}

.floating-card.c1 {
    top: 10%;
    left: -30%;
    animation: float1 6s ease-in-out infinite;
}

.floating-card.c2 {
    bottom: 10%;
    right: -35%;
    animation: float2 6s ease-in-out infinite 3s;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    line-height: 0;
}

.hero-wave svg {
    position: relative;
    display: block;
    width: 100%;
    height: 60px;
}

.hero-wave .shape-fill {
    fill: #060713;
}

/* 6. 关于我们 (About Section) */
.about-section {
    padding: 120px 0;
    background-color: var(--color-bg-dark);
}

.about-grid {
    display: block;
    max-width: 900px;
    margin: 0 auto;
}

.about-info h3 {
    font-size: 1.8rem;
    font-weight: 700;
    line-height: 1.4;
    margin-bottom: 28px;
    color: var(--color-text-white);
    text-align: center;
}

.about-info p {
    font-size: 1.05rem;
    color: var(--color-text-muted-light);
    line-height: 1.7;
    margin-bottom: 20px;
    text-align: justify;
}

.subsidiaries-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 16px;
    padding-left: 20px;
    color: var(--color-text-muted-light);
}

.subsidiaries-list li {
    font-size: 0.95rem;
    position: relative;
    list-style-type: none;
}

.subsidiaries-list li::before {
    content: "•";
    color: var(--primary-pink);
    font-weight: bold;
    display: inline-block;
    width: 1em;
    margin-left: -1em;
}

.about-closing {
    font-size: 0.975rem;
    line-height: 1.6;
    font-weight: 500;
    color: var(--color-text-white);
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
    text-align: center;
}

.honors-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
}

.honor-tag {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-white);
}

/* 校园运营核心数据成果板块 */
.campus-stats-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #070817 0%, rgba(226, 30, 92, 0.03) 50%, #070817 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
}

.campus-stats-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 24px;
}

@media (max-width: 1200px) {
    .campus-stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .campus-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

.stat-card {
    background: var(--glass-background);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 32px 24px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(226, 30, 92, 0.3);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-number {
    display: inline-block;
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--color-text-white);
}

.stat-plus {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-pink);
    margin-left: 2px;
}

.stat-label {
    margin-top: 8px;
    font-size: 0.9rem;
    color: var(--color-text-muted-light);
    font-weight: 500;
}

/* 7. 主营业务 (Services Section) */
.services-section {
    padding: 120px 0;
    background-color: #0c0d23;
    position: relative;
    overflow: hidden;
}

.services-bg-decor {
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(165,10,115,0.08) 0%, rgba(0,0,0,0) 70%);
    bottom: -10%;
    left: -10%;
    filter: blur(60px);
}

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

.service-card {
    background: rgba(6, 7, 19, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 32px 20px;
    transition: var(--transition-smooth);
    position: relative;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-8px);
    background: rgba(6, 7, 19, 0.8);
    border-color: rgba(226, 30, 92, 0.3);
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
}

.service-icon-box {
    width: 52px;
    height: 52px;
    border-radius: 10px;
    background: rgba(226, 30, 92, 0.1);
    border: 1px solid rgba(226, 30, 92, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--primary-pink);
    transition: var(--transition-smooth);
}

.service-icon-box svg {
    width: 26px;
    height: 26px;
}

.service-card:hover .service-icon-box {
    background: var(--accent-gradient);
    color: var(--color-text-white);
    transform: scale(1.05);
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.875rem;
    color: var(--color-text-muted-light);
    margin-bottom: 20px;
    line-height: 1.5;
}

.service-list {
    margin-top: auto;
    list-style: none;
    padding: 0;
}

.service-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.875rem;
    color: var(--color-text-white);
    margin-bottom: 10px;
}

.service-list li span {
    color: var(--primary-pink);
    font-weight: 700;
}

/* 8. 学子俱乐部 (Clubs Section) */
.clubs-section {
    padding: 120px 0;
    background-color: var(--color-bg-dark);
}

.clubs-regions-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 48px;
}

.region-tab {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    color: var(--color-text-muted-light);
    border-radius: 4px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.region-tab:hover, .region-tab.active {
    background: var(--accent-gradient);
    color: var(--color-text-white);
    border-color: transparent;
    box-shadow: 0 4px 10px rgba(226, 30, 92, 0.2);
}

.clubs-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.club-card {
    background: var(--glass-background);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 24px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.club-card:hover {
    transform: translateY(-4px);
    background: rgba(255,255,255,0.06);
    border-color: rgba(165,10,115,0.4);
}

.club-badge {
    display: inline-block;
    padding: 3px 8px;
    background: rgba(165, 10, 115, 0.15);
    border: 1px solid rgba(165, 10, 115, 0.3);
    color: var(--color-text-white);
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.club-card h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--color-text-white);
}

.club-card p {
    font-size: 0.8rem;
    color: var(--color-text-muted-light);
}

/* 过滤隐藏动画 */
.club-card.hide {
    display: none;
}

.club-card.show {
    animation: zoomIn 0.4s ease forwards;
}

/* 9. 案例展示 (Cases Section) */
.cases-section {
    padding: 120px 0;
    background-color: #070817;
}

.cases-toggle-container {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 48px;
}

.case-toggle-btn {
    padding: 14px 28px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    color: var(--color-text-muted-light);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.case-toggle-btn:hover, .case-toggle-btn.active {
    background: var(--accent-gradient);
    color: var(--color-text-white);
    border-color: transparent;
    box-shadow: 0 6px 15px rgba(226, 30, 92, 0.25);
}

.cases-display-box {
    background: rgba(15, 16, 38, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-lg);
}

.case-detail-content {
    display: none;
    grid-template-columns: 1.12fr 0.88fr;
    gap: 48px;
}

.case-detail-content.active {
    display: grid;
    animation: fadeIn 0.5s ease forwards;
}

.case-info-pane {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.case-number {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--primary-pink);
}

.case-info-pane h3 {
    font-size: 1.85rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.case-meta-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 8px;
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.case-meta-group strong {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted-light);
    margin-bottom: 4px;
}

.case-meta-group p {
    font-size: 0.95rem;
    font-weight: 600;
}

.case-step {
    border-left: 3px solid var(--primary-pink);
    padding-left: 16px;
}

.step-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.case-step p {
    font-size: 0.9rem;
    color: var(--color-text-muted-light);
}

/* 案例成果板块 */
.case-results-pane {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-md);
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.case-results-pane h4 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 24px;
    text-align: center;
}

.progress-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 32px;
}

.progress-bar-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-muted-light);
}

.progress-track {
    height: 8px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 4px;
    transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.results-stat-callout {
    background: rgba(226, 30, 92, 0.08);
    border: 1px solid rgba(226, 30, 92, 0.15);
    border-radius: 8px;
    padding: 20px;
    text-align: center;
}

.results-stat-callout strong {
    font-size: 1.4rem;
    color: var(--color-text-white);
    display: block;
    margin-bottom: 4px;
}

.results-stat-callout p {
    font-size: 0.875rem;
    color: var(--color-text-muted-light);
}

/* 案例二卡片格 */
.results-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

.result-number-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 20px 10px;
    text-align: center;
}

.result-number-card .card-num {
    font-size: 2rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    margin-bottom: 4px;
}

.result-number-card p {
    font-size: 0.8rem;
    color: var(--color-text-muted-light);
}

/* 10. 团队联盟文化 (Culture Section) */
.culture-section {
    position: relative;
    padding: 120px 0;
    background: var(--blue-gradient);
    overflow: hidden;
}

.culture-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(165,10,115,0.15) 0%, rgba(6,7,19,0.9) 100%);
    z-index: 1;
}

.culture-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.culture-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(165, 10, 115, 0.2);
    border: 1px solid rgba(165, 10, 115, 0.4);
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.culture-left h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.culture-desc {
    font-size: 1.05rem;
    color: var(--color-text-muted-light);
    margin-bottom: 40px;
}

.culture-highlights {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.highlight-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.highlight-item .hl-icon {
    font-size: 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    padding: 10px;
    border-radius: 8px;
    line-height: 1;
}

.highlight-item h5 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.highlight-item p {
    font-size: 0.875rem;
    color: var(--color-text-muted-light);
}

/* 倾斜卡片网格 */
.culture-right {
    display: flex;
    justify-content: center;
}

.culture-card-grid {
    position: relative;
    width: 100%;
    max-width: 360px;
    height: 380px;
}

.c-photo-card {
    position: absolute;
    width: 260px;
    height: 180px;
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: var(--transition-smooth);
    background-size: cover;
    background-position: center;
}

.c-photo-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(360deg, rgba(6,7,19,0.9) 0%, rgba(6,7,19,0.1) 100%);
    z-index: 1;
}

.card-inner {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    z-index: 2;
}

.card-inner h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.card-inner p {
    font-size: 0.75rem;
    color: var(--color-text-muted-light);
}

.c-photo-card.p1 {
    top: 0;
    left: 0;
    transform: rotate(-6deg);
    background-image: linear-gradient(135deg, #a50a73, #0b0c3f);
}

.c-photo-card.p2 {
    bottom: 10%;
    right: 0;
    transform: rotate(4deg);
    background-image: linear-gradient(135deg, #e21e5c, #a50a73);
    z-index: 3;
}

.c-photo-card.p3 {
    top: 35%;
    left: 5%;
    transform: rotate(-2deg);
    background-image: linear-gradient(135deg, #1c117b, #e21e5c);
    z-index: 2;
}

.c-photo-card:hover {
    transform: rotate(0deg) translateY(-8px) scale(1.05);
    z-index: 5;
    border-color: var(--primary-pink);
    box-shadow: 0 15px 30px rgba(226,30,92,0.3);
}

/* 11. 联系我们 (Contact Section) */
.contact-section {
    padding: 120px 0;
    background-color: var(--color-bg-dark);
}

.contact-card-wrap {
    max-width: 800px;
    margin: 0 auto;
    background: var(--glass-background);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 60px 48px;
    text-align: center;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.contact-card-wrap h2 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--color-text-white);
}

.contact-intro {
    font-size: 1.05rem;
    color: var(--color-text-muted-light);
    max-width: 600px;
    margin: 0 auto 40px auto;
    line-height: 1.6;
}

.contact-managers {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 40px;
}

.manager-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-sm);
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    text-align: left;
    transition: var(--transition-smooth);
}

.manager-card:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(226, 30, 92, 0.2);
}

.m-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-white);
    flex-shrink: 0;
}

.m-details h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.m-details span {
    display: block;
    font-size: 0.85rem;
    color: var(--color-text-muted-light);
    margin-bottom: 8px;
}

.m-phone {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary-pink);
    text-decoration: none;
    transition: var(--transition-smooth);
    display: inline-block;
}

.m-phone:hover {
    color: var(--color-text-white);
    transform: scale(1.02);
}

.contact-address-info {
    font-size: 1rem;
    color: var(--color-text-muted-light);
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
    padding-top: 24px;
}

.contact-address-info strong {
    color: var(--color-text-white);
}

@media (max-width: 600px) {
    .contact-managers {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .contact-card-wrap {
        padding: 40px 20px;
    }
}