* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --gysgsw-primary: #e91e63;
    --gysgsw-primary-dark: #c2185b;
    --gysgsw-secondary: #9c27b0;
    --gysgsw-accent: #ff9800;
    --gysgsw-dark: #212121;
    --gysgsw-light: #ffffff;
    --gysgsw-gray-50: #fafafa;
    --gysgsw-gray-100: #f5f5f5;
    --gysgsw-gray-200: #eeeeee;
    --gysgsw-gray-300: #e0e0e0;
    --gysgsw-gray-600: #757575;
    --gysgsw-gray-800: #424242;
    --gysgsw-shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --gysgsw-shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --gysgsw-shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
    --gysgsw-radius: 16px;
    --gysgsw-transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    line-height: 1.7;
    color: var(--gysgsw-gray-800);
    background: var(--gysgsw-light);
    overflow-x: hidden;
}

.gysgsw-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.gysgsw-header-wrap {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    box-shadow: var(--gysgsw-shadow-sm);
    z-index: 1000;
    transition: var(--gysgsw-transition);
}

.gysgsw-navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 0;
}

.gysgsw-brand h1 {
    font-size: 26px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--gysgsw-primary), var(--gysgsw-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gysgsw-brand h1 a {
    text-decoration: none;
    color: inherit;
}

.gysgsw-menu {
    display: flex;
    gap: 36px;
    align-items: center;
}

.gysgsw-menu a {
    text-decoration: none;
    color: var(--gysgsw-gray-600);
    font-weight: 600;
    font-size: 15px;
    transition: var(--gysgsw-transition);
    position: relative;
}

.gysgsw-menu a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gysgsw-primary);
    transition: var(--gysgsw-transition);
    border-radius: 2px;
}

.gysgsw-menu a:hover {
    color: var(--gysgsw-primary);
}

.gysgsw-menu a:hover::after {
    width: 100%;
}

.gysgsw-mobile-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.gysgsw-mobile-btn span {
    width: 30px;
    height: 3px;
    background: var(--gysgsw-primary);
    border-radius: 2px;
    transition: var(--gysgsw-transition);
}

.gysgsw-hero-area {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    margin-top: 70px;
    overflow: hidden;
}

.gysgsw-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.gysgsw-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gysgsw-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(233, 30, 99, 0.92), rgba(156, 39, 176, 0.88));
    z-index: 1;
}

.gysgsw-hero-text {
    position: relative;
    z-index: 2;
    color: var(--gysgsw-light);
    max-width: 750px;
    animation: fadeInUp 1s ease-out;
}

.gysgsw-main-title {
    font-size: 60px;
    font-weight: 900;
    margin-bottom: 24px;
    line-height: 1.15;
    text-shadow: 0 4px 16px rgba(0,0,0,0.25);
}

.gysgsw-sub-title {
    font-size: 30px;
    font-weight: 700;
    margin-bottom: 20px;
    opacity: 0.96;
}

.gysgsw-desc {
    font-size: 18px;
    line-height: 1.8;
    margin-bottom: 40px;
    opacity: 0.92;
}

.gysgsw-action-btns {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

.gysgsw-btn-primary,
.gysgsw-btn-outline,
.gysgsw-btn-secondary {
    display: inline-block;
    padding: 16px 42px;
    border-radius: var(--gysgsw-radius);
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    transition: var(--gysgsw-transition);
    cursor: pointer;
    border: none;
}

.gysgsw-btn-primary {
    background: var(--gysgsw-light);
    color: var(--gysgsw-primary);
    box-shadow: var(--gysgsw-shadow-md);
}

.gysgsw-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--gysgsw-shadow-lg);
}

.gysgsw-btn-outline {
    background: transparent;
    color: var(--gysgsw-light);
    border: 2px solid rgba(255, 255, 255, 0.4);
}

.gysgsw-btn-outline:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.6);
}

.gysgsw-btn-secondary {
    background: transparent;
    color: var(--gysgsw-primary);
    border: 2px solid var(--gysgsw-primary);
}

.gysgsw-btn-secondary:hover {
    background: var(--gysgsw-primary);
    color: var(--gysgsw-light);
}

.gysgsw-intro-section,
.gysgsw-video-showcase,
.gysgsw-categories-section,
.gysgsw-testimonial-section {
    padding: 100px 0;
}

.gysgsw-section-title {
    text-align: center;
    margin-bottom: 70px;
}

.gysgsw-section-title h2 {
    font-size: 44px;
    font-weight: 800;
    color: var(--gysgsw-dark);
    margin-bottom: 16px;
}

.gysgsw-section-title p {
    font-size: 18px;
    color: var(--gysgsw-gray-600);
}

.gysgsw-features-wrap {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 36px;
}

.gysgsw-feature-box {
    background: var(--gysgsw-light);
    padding: 44px 36px;
    border-radius: var(--gysgsw-radius);
    box-shadow: var(--gysgsw-shadow-sm);
    transition: var(--gysgsw-transition);
    text-align: center;
}

.gysgsw-feature-box:hover {
    transform: translateY(-10px);
    box-shadow: var(--gysgsw-shadow-lg);
}

.gysgsw-feature-img {
    width: 90px;
    height: 90px;
    margin: 0 auto 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--gysgsw-primary), var(--gysgsw-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.gysgsw-feature-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gysgsw-feature-box h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 18px;
    color: var(--gysgsw-dark);
}

.gysgsw-feature-box p {
    font-size: 15px;
    color: var(--gysgsw-gray-600);
    line-height: 1.8;
}

.gysgsw-video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 36px;
    margin-bottom: 50px;
}

.gysgsw-video-card {
    background: var(--gysgsw-light);
    border-radius: var(--gysgsw-radius);
    overflow: hidden;
    box-shadow: var(--gysgsw-shadow-sm);
    transition: var(--gysgsw-transition);
    cursor: pointer;
}

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

.gysgsw-thumb-wrap {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    overflow: hidden;
    background: var(--gysgsw-gray-200);
}

.gysgsw-thumb-wrap img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--gysgsw-transition);
}

.gysgsw-video-card:hover .gysgsw-thumb-wrap img {
    transform: scale(1.08);
}

.gysgsw-play-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: var(--gysgsw-primary);
    border-radius: 50%;
    opacity: 0;
    transition: var(--gysgsw-transition);
}

.gysgsw-video-card:hover .gysgsw-play-icon {
    opacity: 1;
}

.gysgsw-play-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 52%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    border-style: solid;
    border-width: 12px 0 12px 20px;
    border-color: transparent transparent transparent var(--gysgsw-light);
}

.gysgsw-duration {
    position: absolute;
    bottom: 12px;
    right: 12px;
    background: rgba(0, 0, 0, 0.85);
    color: var(--gysgsw-light);
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 700;
}

.gysgsw-video-info {
    padding: 22px;
}

.gysgsw-video-info h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 14px;
    color: var(--gysgsw-dark);
    line-height: 1.5;
}

.gysgsw-meta {
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    color: var(--gysgsw-gray-600);
}

.gysgsw-more-btn {
    text-align: center;
}

.gysgsw-stats-area {
    background: linear-gradient(135deg, var(--gysgsw-primary), var(--gysgsw-secondary));
    padding: 90px 0;
    color: var(--gysgsw-light);
}

.gysgsw-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 50px;
    text-align: center;
}

.gysgsw-stat-num {
    font-size: 50px;
    font-weight: 900;
    margin-bottom: 10px;
    text-shadow: 0 3px 10px rgba(0,0,0,0.2);
}

.gysgsw-stat-text {
    font-size: 17px;
    opacity: 0.92;
}

.gysgsw-category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 28px;
}

.gysgsw-cat-item {
    position: relative;
    border-radius: var(--gysgsw-radius);
    overflow: hidden;
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: var(--gysgsw-shadow-sm);
    transition: var(--gysgsw-transition);
}

.gysgsw-cat-item:hover {
    transform: scale(1.05);
    box-shadow: var(--gysgsw-shadow-md);
}

.gysgsw-cat-item img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gysgsw-cat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, rgba(233, 30, 99, 0.3), rgba(156, 39, 176, 0.6));
    z-index: 1;
}

.gysgsw-cat-item span {
    position: relative;
    z-index: 2;
    font-size: 22px;
    font-weight: 800;
    color: var(--gysgsw-light);
    text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.gysgsw-testimonial-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 36px;
}

.gysgsw-review-card {
    background: var(--gysgsw-light);
    padding: 36px;
    border-radius: var(--gysgsw-radius);
    box-shadow: var(--gysgsw-shadow-sm);
    transition: var(--gysgsw-transition);
}

.gysgsw-review-card:hover {
    box-shadow: var(--gysgsw-shadow-md);
}

.gysgsw-user-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    overflow: hidden;
    margin-bottom: 24px;
    border: 4px solid var(--gysgsw-primary);
}

.gysgsw-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gysgsw-review-text {
    font-size: 15px;
    line-height: 1.8;
    color: var(--gysgsw-gray-600);
    margin-bottom: 22px;
    font-style: italic;
}

.gysgsw-reviewer strong {
    display: block;
    font-size: 17px;
    color: var(--gysgsw-dark);
    margin-bottom: 6px;
}

.gysgsw-reviewer span {
    font-size: 14px;
    color: var(--gysgsw-gray-600);
}

.gysgsw-footer-area {
    background: var(--gysgsw-dark);
    color: var(--gysgsw-light);
    padding: 70px 0 35px;
}

.gysgsw-footer-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.gysgsw-footer-col h3 {
    font-size: 24px;
    margin-bottom: 18px;
    background: linear-gradient(135deg, var(--gysgsw-primary), var(--gysgsw-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.gysgsw-footer-col h4 {
    font-size: 17px;
    margin-bottom: 22px;
    font-weight: 700;
}

.gysgsw-footer-col p {
    font-size: 14px;
    line-height: 1.8;
    opacity: 0.85;
    margin-bottom: 20px;
}

.gysgsw-footer-col ul {
    list-style: none;
}

.gysgsw-footer-col ul li {
    margin-bottom: 14px;
}

.gysgsw-footer-col ul li a {
    color: var(--gysgsw-light);
    text-decoration: none;
    font-size: 14px;
    opacity: 0.8;
    transition: var(--gysgsw-transition);
}

.gysgsw-footer-col ul li a:hover {
    opacity: 1;
    color: var(--gysgsw-primary);
}

.gysgsw-footer-bottom {
    text-align: center;
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.gysgsw-footer-bottom p {
    font-size: 14px;
    opacity: 0.75;
    margin: 10px 0;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(35px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 968px) {
    .gysgsw-menu {
        display: none;
    }

    .gysgsw-mobile-btn {
        display: flex;
    }

    .gysgsw-main-title {
        font-size: 42px;
    }

    .gysgsw-sub-title {
        font-size: 24px;
    }

    .gysgsw-video-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }

    .gysgsw-footer-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .gysgsw-main-title {
        font-size: 34px;
    }

    .gysgsw-section-title h2 {
        font-size: 32px;
    }

    .gysgsw-video-grid {
        grid-template-columns: 1fr;
    }

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