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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --accent: #06b6d4;
    --text-dark: #0f172a;
    --text-gray: #475569;
    --text-light: #94a3b8;
    --bg-white: #ffffff;
    --bg-gray: #f8fafc;
    --bg-dark: #0f172a;
    --border: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-soft: linear-gradient(135deg, #f0f9ff 0%, #faf5ff 100%);
    --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e1b4b 50%, #0f172a 100%);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background: var(--bg-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 72px;
}

.section-tag {
    display: inline-block;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--text-dark);
    line-height: 1.2;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 17px;
    color: var(--text-gray);
    max-width: 580px;
    margin: 0 auto;
    line-height: 1.7;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px -5px rgba(99, 102, 241, 0.6);
}

.btn-outline {
    background: transparent;
    color: var(--text-dark);
    border: 2px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: rgba(99, 102, 241, 0.05);
}

.btn-block {
    width: 100%;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.3s ease;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.navbar.scrolled {
    padding: 14px 0;
    background: rgba(15, 23, 42, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 22px;
    font-weight: 800;
    color: white;
    letter-spacing: 1px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-links a:hover {
    color: white;
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 10px 24px;
    border-radius: var(--radius-md);
    background: var(--gradient-primary);
    color: white !important;
    font-weight: 600;
    font-size: 14px;
}

.nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.5);
}

.nav-cta::after {
    display: none;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: white;
    font-size: 24px;
}

/* ===== Hero ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--gradient-hero);
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 8s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(236, 72, 153, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.05); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-tag {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 28px;
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: 64px;
    font-weight: 800;
    color: white;
    margin-bottom: 24px;
    line-height: 1.15;
    letter-spacing: -1px;
}

.hero h1 span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 19px;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 40px;
    line-height: 1.7;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-btns {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.hero-btns .btn {
    padding: 16px 36px;
    font-size: 16px;
}

.hero-btns .btn-outline {
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.05);
}

.hero-btns .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
}

/* ===== About ===== */
.about {
    background: var(--bg-white);
}

.about-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--radius-xl);
}

.about-image::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 24px;
    right: -24px;
    bottom: -24px;
    background: var(--gradient-primary);
    border-radius: var(--radius-xl);
    z-index: -1;
    opacity: 0.15;
}

.about-content .section-header {
    text-align: left;
    margin-bottom: 32px;
}

.about-content .section-subtitle {
    margin: 0;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-top: 40px;
}

.feature-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--bg-gray);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: var(--gradient-soft);
    transform: translateY(-2px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    flex-shrink: 0;
}

.feature-item h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.feature-item p {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.5;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 14px;
    color: var(--text-gray);
    font-weight: 500;
}

/* ===== Services ===== */
.services {
    background: var(--bg-gray);
}

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

.service-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: transparent;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: var(--gradient-soft);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 24px;
    color: var(--primary);
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-dark);
}

.service-card .desc {
    font-size: 15px;
    color: var(--text-gray);
    margin-bottom: 24px;
    line-height: 1.7;
}

.service-features {
    margin-bottom: 24px;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text-gray);
    padding: 6px 0;
}

.service-features li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
}

.service-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.service-price {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
}

.service-duration {
    font-size: 13px;
    color: var(--text-light);
}

.service-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
}

.service-link:hover {
    gap: 8px;
}

/* ===== Partners ===== */
.partners {
    background: var(--bg-gray);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 20px;
}

.partner-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.3s ease;
    border: 1px solid var(--border);
}

.partner-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.partner-logo {
    font-size: 28px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.partner-name {
    font-size: 14px;
    color: var(--text-gray);
    font-weight: 500;
}

/* ===== Team ===== */
.team {
    background: var(--bg-white);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.team-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border);
}

.team-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: transparent;
}

.team-avatar {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1;
}

.team-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.team-card:hover .team-avatar img {
    transform: scale(1.08);
}

.team-social {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.7), transparent);
    display: flex;
    gap: 10px;
    justify-content: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
}

.team-card:hover .team-social {
    opacity: 1;
    transform: translateY(0);
}

.team-social-link {
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 14px;
}

.team-social-link:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

.team-info {
    padding: 24px;
    text-align: center;
}

.team-name {
    font-size: 19px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 6px;
}

.team-position {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 12px;
}

.team-desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
}

/* ===== Sites ===== */
.sites {
    background: var(--bg-gray);
}

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

.site-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}

.site-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: var(--gradient-primary);
    border-radius: 0 0 0 100%;
    opacity: 0;
    transform: translate(50%, -50%);
    transition: all 0.4s ease;
}

.site-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-2xl);
    border-color: transparent;
}

.site-card:hover::before {
    opacity: 0.1;
    width: 200px;
    height: 200px;
}

.site-logo {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 20px;
    margin-bottom: 20px;
}

.site-category {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    background: rgba(99, 102, 241, 0.1);
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 14px;
}

.site-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
    position: relative;
    z-index: 1;
}

.site-card .site-desc {
    font-size: 14px;
    color: var(--text-gray);
    line-height: 1.6;
    margin-bottom: 20px;
    position: relative;
    z-index: 1;
}

.site-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    position: relative;
    z-index: 1;
}

.site-link:hover {
    gap: 10px;
}

/* ===== Contact ===== */
.contact {
    background: var(--bg-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-dark);
}

.contact-info > p {
    font-size: 16px;
    color: var(--text-gray);
    margin-bottom: 40px;
    line-height: 1.7;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 18px;
    align-items: flex-start;
}

.contact-item-icon {
    width: 52px;
    height: 52px;
    background: var(--gradient-soft);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 22px;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text-dark);
}

.contact-item p {
    font-size: 15px;
    color: var(--text-gray);
}

.contact-form {
    background: var(--bg-gray);
    padding: 40px;
    border-radius: var(--radius-xl);
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 28px;
    color: var(--text-dark);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: inherit;
    transition: all 0.3s ease;
    background: var(--bg-white);
    color: var(--text-dark);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* ===== Footer ===== */
.footer {
    background: var(--bg-dark);
    color: white;
    padding: 80px 0 32px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 48px;
    margin-bottom: 56px;
}

.footer-brand .logo {
    font-size: 26px;
    margin-bottom: 20px;
    display: inline-block;
}

.footer-brand p {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    margin-bottom: 24px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.footer-social a:hover {
    background: var(--gradient-primary);
    transform: translateY(-3px);
}

.footer-col h4 {
    font-size: 17px;
    font-weight: 700;
    margin-bottom: 24px;
    color: white;
}

.footer-col ul {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.footer-col a {
    font-size: 15px;
    color: rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
}

.footer-col a:hover {
    color: white;
    padding-left: 6px;
}

.footer-col p {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 12px;
    line-height: 1.6;
}

.footer-bottom {
    padding-top: 32px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* ===== Admin Login ===== */
.admin-body {
    background: var(--gradient-hero);
    min-height: 100vh;
}

.admin-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.login-box {
    background: white;
    padding: 48px 40px;
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-2xl);
}

.login-box h2 {
    font-size: 28px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.login-sub {
    text-align: center;
    color: var(--text-gray);
    margin-bottom: 32px;
    font-size: 15px;
}

.alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    font-size: 14px;
    font-weight: 500;
}

.alert-error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #f0fdf4;
    color: #16a34a;
    border: 1px solid #bbf7d0;
}

/* ===== Admin Header ===== */
.admin-header {
    background: white;
    box-shadow: var(--shadow-sm);
    padding: 18px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.admin-logo {
    font-size: 20px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 14px;
    color: var(--text-gray);
}

.admin-logout {
    padding: 8px 20px;
    background: #fef2f2;
    color: #dc2626;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 14px;
}

.admin-logout:hover {
    background: #fee2e2;
}

.admin-main {
    padding: 32px 0;
}

/* ===== Admin Tabs ===== */
.admin-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 32px;
    flex-wrap: wrap;
    background: white;
    padding: 8px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.admin-tab {
    padding: 12px 24px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-gray);
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    font-family: inherit;
}

.admin-tab:hover {
    background: var(--bg-gray);
    color: var(--text-dark);
}

.admin-tab.active {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.admin-panel {
    display: none;
}

.admin-panel.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.admin-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 32px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.admin-card h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--text-dark);
}

.admin-card h4 {
    color: var(--text-dark);
}

/* ===== Admin Table ===== */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 16px;
}

.admin-table th {
    text-align: left;
    padding: 14px 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-gray);
    background: var(--bg-gray);
    border-bottom: 2px solid var(--border);
}

.admin-table th:first-child {
    border-radius: var(--radius-sm) 0 0 0;
}

.admin-table th:last-child {
    border-radius: 0 var(--radius-sm) 0 0;
}

.admin-table td {
    padding: 16px;
    font-size: 14px;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border);
}

.admin-table tr:hover td {
    background: var(--bg-gray);
}

.btn-action {
    display: inline-block;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    margin-right: 8px;
}

.btn-edit {
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
}

.btn-edit:hover {
    background: rgba(99, 102, 241, 0.2);
}

.btn-delete {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.btn-delete:hover {
    background: rgba(239, 68, 68, 0.2);
}

.btn-add {
    padding: 10px 24px;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 16px;
    transition: all 0.3s ease;
}

.btn-add:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.4);
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}

.badge-read {
    background: var(--bg-gray);
    color: var(--text-gray);
}

.badge-unread {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

.form-grid .full {
    grid-column: 1 / -1;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .partners-grid {
        grid-template-columns: repeat(4, 1fr);
    }

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

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

    .about-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }

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

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

@media (max-width: 768px) {
    .section {
        padding: 80px 0;
    }

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

    .hero h1 {
        font-size: 42px;
    }

    .hero-desc {
        font-size: 17px;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

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

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-form {
        padding: 28px 24px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .admin-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
    }

    .admin-card {
        padding: 24px 20px;
    }

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

@media (max-width: 480px) {
    .hero h1 {
        font-size: 36px;
    }

    .section-title {
        font-size: 28px;
    }

    .about-stats {
        grid-template-columns: 1fr 1fr;
    }

    .stat-number {
        font-size: 28px;
    }

    .hero-btns .btn {
        padding: 14px 28px;
        font-size: 15px;
    }
}