/* ============================
   tenxenkt · 多元工作室 — Style (简约白)
   ============================ */

/* --- 重置 & 基础 --- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6C3FC8;
    --primary-light: #8B5CF6;
    --primary-dark: #4C1D95;
    --accent: #FF6B35;
    --accent-light: #FF8F5E;
    --bg-main: #ffffff;
    --bg-card: #ffffff;
    --bg-section: #f5f5f7;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a6a;
    --text-muted: #8e8ea0;
    --border-light: rgba(0,0,0,0.08);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
    --shadow-md: 0 8px 32px rgba(0,0,0,0.06);
    --radius: 18px;
    --radius-sm: 10px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

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

/* --- 导航栏 --- */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}

.top-bar.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.06);
}

.top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    cursor: pointer;
    white-space: nowrap;
    user-select: none;
    letter-spacing: 0.5px;
}

.logo span {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(108, 63, 200, 0.06);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 3px;
    background: var(--primary);
    border-radius: 4px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.6rem;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 8px;
    transition: var(--transition);
}

.menu-toggle:hover {
    background: rgba(0,0,0,0.04);
}

.btn-admin {
    background: var(--primary) !important;
    color: #fff !important;
    border: none !important;
    margin-left: 8px;
}

.btn-admin:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 20px rgba(108, 63, 200, 0.3);
}

/* --- 按钮 --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(108, 63, 200, 0.25);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(108, 63, 200, 0.35);
}

.btn-secondary {
    background: rgba(0,0,0,0.04);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-secondary:hover {
    background: rgba(0,0,0,0.06);
    transform: translateY(-2px);
}

.btn-danger {
    background: linear-gradient(135deg, #dc2626, #b91c1c);
    color: #fff;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(220, 38, 38, 0.3);
}

.btn-small {
    padding: 8px 16px;
    font-size: 0.85rem;
}

.pulse-btn {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 4px 15px rgba(108, 63, 200, 0.25); }
    50% { box-shadow: 0 4px 30px rgba(108, 63, 200, 0.4); }
}

/* --- Hero 横幅 --- */
.hero-section {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 24px 80px;
    background: linear-gradient(160deg, #f8f9ff 0%, #f0f0f5 40%, #f5f0ff 70%, #ffffff 100%);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -40%;
    right: -20%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(108, 63, 200, 0.06) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.hero-overlay {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    margin-bottom: 36px;
    line-height: 1.6;
}

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

/* --- 通用区块 --- */
.section {
    padding: 80px 0;
}

.section-alt {
    background: var(--bg-section);
}

.section-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 12px;
    color: var(--text-primary);
}

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

/* --- 业务卡片网格 --- */
.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 24px;
}

.business-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 36px 24px 30px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    box-shadow: var(--shadow-sm);
}

.business-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.business-icon {
    font-size: 3rem;
    margin-bottom: 14px;
    display: block;
    line-height: 1;
}

.business-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.business-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    flex: 1;
}

.business-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border-radius: 50px;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: var(--transition);
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(108, 63, 200, 0.2);
}

.business-btn:hover {
    transform: translateY(-2px) scale(1.03);
    box-shadow: 0 6px 25px rgba(108, 63, 200, 0.35);
}

/* --- 游戏卡片网格 --- */
.game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.game-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    cursor: default;
    box-shadow: var(--shadow-sm);
}

.game-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.game-card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
    background: var(--bg-section);
}

.game-card-body {
    padding: 18px;
}

.game-card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.game-card-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.game-card-tag {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--primary);
    color: #fff;
    margin-top: 10px;
}

/* --- 截图网格 --- */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 16 / 10;
    transition: var(--transition);
    border: 2px solid transparent;
    box-shadow: var(--shadow-sm);
}

.gallery-item:hover {
    border-color: var(--primary);
    transform: scale(1.02);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: var(--transition);
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-item-label {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px 12px 10px;
    background: linear-gradient(transparent, rgba(0,0,0,0.7));
    color: #fff;
    font-size: 0.85rem;
    font-weight: 500;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-item-label {
    opacity: 1;
}

/* --- 关于 --- */
.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 40px;
    align-items: center;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 1rem;
    line-height: 1.8;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px 16px;
    text-align: center;
    border: 1px solid var(--border-light);
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.stat-card:hover {
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 6px;
}

/* --- 联系我们 --- */
.contact-card {
    max-width: 480px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 40px 32px;
    text-align: center;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-sm);
}

.contact-email {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 12px;
}

.email-icon {
    font-size: 1.5rem;
}

.email-link {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.email-link:hover {
    color: var(--primary-light);
    text-decoration: underline;
}

.contact-tip {
    color: var(--text-muted);
    font-size: 0.88rem;
    margin-bottom: 20px;
}

/* --- 页脚 --- */
.footer {
    background: var(--bg-section);
    border-top: 1px solid var(--border-light);
    padding: 28px 0;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-text {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-email {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* --- 弹窗 --- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(6px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal-overlay.show {
    display: flex;
}

.modal-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 32px;
    max-width: 440px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border-light);
    box-shadow: 0 16px 48px rgba(0,0,0,0.12);
    position: relative;
}

.modal-wide {
    max-width: 640px;
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.6rem;
    cursor: pointer;
    transition: var(--transition);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: var(--text-primary);
    background: rgba(0,0,0,0.05);
}

.modal-title {
    font-size: 1.35rem;
    margin-bottom: 24px;
    padding-right: 30px;
    color: var(--text-primary);
}

/* --- 表单 --- */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-light);
    background: #f9f9fb;
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 63, 200, 0.1);
    background: #fff;
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
    line-height: 1.6;
}

.form-error {
    color: #dc2626;
    font-size: 0.88rem;
    margin-bottom: 12px;
    min-height: 20px;
}

/* --- 管理面板 --- */
.admin-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    background: var(--bg-section);
    border-radius: var(--radius-sm);
    padding: 4px;
}

.admin-tab {
    padding: 8px 16px;
    border-radius: 8px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.88rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    flex: 1;
    text-align: center;
    min-width: 80px;
}

.admin-tab.active {
    background: var(--primary);
    color: #fff;
}

.admin-tab:hover:not(.active) {
    color: var(--text-primary);
    background: rgba(0,0,0,0.03);
}

.admin-panel {
    display: none;
}

.admin-panel.active {
    display: block;
}

.admin-hint {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 12px;
}

.admin-biz-list,
.admin-game-list,
.admin-gallery-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
    max-height: 160px;
    overflow-y: auto;
    padding: 8px;
    background: var(--bg-section);
    border-radius: var(--radius-sm);
}

.admin-biz-item,
.admin-game-item,
.admin-gallery-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(0,0,0,0.04);
    border-radius: 50px;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
}

.admin-biz-item:hover,
.admin-game-item:hover,
.admin-gallery-item:hover {
    background: rgba(220, 38, 38, 0.08);
    color: #dc2626;
}

.admin-footer {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-light);
}

/* --- Toast 通知 --- */
.toast-container {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.toast {
    background: rgba(30, 30, 50, 0.95);
    backdrop-filter: blur(10px);
    color: #fff;
    padding: 12px 24px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    animation: toastIn 0.3s ease-out;
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.toast-error {
    background: rgba(220, 38, 38, 0.9);
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- 图片全屏预览 --- */
.preview-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    z-index: 3000;
    align-items: center;
    justify-content: center;
    padding: 24px;
    cursor: zoom-out;
}

.preview-modal.show {
    display: flex;
}

.preview-modal img {
    max-width: 90vw;
    max-height: 90vh;
    border-radius: var(--radius-sm);
    object-fit: contain;
}

/* --- 滚动加载动画 --- */
.section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ======== 响应式 ======== */
@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 16px 24px;
        border-bottom: 1px solid var(--border-light);
        gap: 4px;
    }

    .nav-menu.open {
        display: flex;
    }

    .nav-link {
        width: 100%;
        padding: 12px 16px;
    }

    .btn-admin {
        margin-left: 0;
        margin-top: 4px;
        width: 100%;
    }

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

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

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

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

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }

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

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

    .admin-tabs {
        flex-direction: column;
    }

    .admin-footer {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .gallery-grid {
        grid-template-columns: 1fr;
    }

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

    .section {
        padding: 50px 0;
    }
}