/* 黑洞加速器官网 — 单文件样式 */
:root {
    --primary: #5b21b6;
    --primary-dark: #3b0764;
    --secondary: #0d9488;
    --accent: #f97316;
    --accent-soft: #ffedd5;
    --text: #1e293b;
    --text-muted: #64748b;
    --surface: #ffffff;
    --surface-alt: #f5f3ff;
    --surface-dark: #1e1b4b;
    --border: rgba(91, 33, 182, 0.12);
    --radius: 14px;
    --radius-lg: 22px;
    --shadow: 0 4px 24px rgba(30, 27, 75, 0.08);
    --shadow-hover: 0 12px 40px rgba(91, 33, 182, 0.15);
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --container-max: 1140px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    color: var(--text);
    line-height: 1.65;
    background: var(--surface);
    margin: 0;
    overflow-x: hidden;
}

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

a {
    color: var(--primary);
    text-decoration: none;
}

a:hover {
    color: var(--secondary);
}

/* —— 导航 —— */
.z076f3navbar {
    background: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0.65rem 0;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.z076f3navbar-brand img {
    height: 42px;
    width: auto;
}

.z076f3nav-link {
    color: var(--text) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.45rem 0.85rem !important;
    border-radius: 8px;
    transition: color var(--transition), background var(--transition);
}

.z076f3nav-link:hover {
    color: var(--primary) !important;
    background: var(--surface-alt);
}

.z076f3navbar-toggler {
    border: 1px solid var(--border);
    padding: 0.4rem 0.55rem;
}

.navbar-collapse.z076f3nav-collapse,
.z076f3navbar .navbar-collapse {
    background: var(--surface);
}

/* —— 首页区块通用 —— */
.z076f3section {
    padding: 4.5rem 0;
}

.z076f3section-alt {
    background: var(--surface-alt);
}

.z076f3section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 2.75rem;
}

.z076f3section-head h2 {
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.75rem;
}

.z076f3section-head p {
    color: var(--text-muted);
    margin: 0;
    font-size: 1.05rem;
}

.z076f3badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--secondary);
    background: rgba(13, 148, 136, 0.1);
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    margin-bottom: 1rem;
}

/* —— Hero —— */
.z076f3hero-section {
    background: linear-gradient(145deg, var(--primary-dark) 0%, var(--primary) 45%, #6d28d9 100%);
    color: #fff;
    padding: 4rem 0 5rem;
    position: relative;
    overflow: hidden;
}

.z076f3hero-section::after {
    content: "";
    position: absolute;
    right: -15%;
    top: -20%;
    width: 55%;
    height: 140%;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.25) 0%, transparent 65%);
    pointer-events: none;
}

.z076f3hero-content {
    position: relative;
    z-index: 1;
}

.z076f3hero-title {
    font-size: clamp(1.85rem, 4.5vw, 2.75rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.25rem;
}

.z076f3hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.15rem);
    opacity: 0.92;
    margin-bottom: 1.75rem;
    max-width: 520px;
}

.z076f3hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.z076f3hero-buttons .btn {
    border-radius: 10px;
    font-weight: 600;
    padding: 0.7rem 1.35rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: normal;
}

.z076f3btn-primary-custom {
    background: var(--accent);
    border: none;
    color: #fff;
}

.z076f3btn-primary-custom:hover {
    background: #ea580c;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(249, 115, 22, 0.35);
}

.z076f3btn-outline-custom {
    background: rgba(255, 255, 255, 0.12);
    border: 1px solid rgba(255, 255, 255, 0.35);
    color: #fff;
}

.z076f3btn-outline-custom:hover {
    background: #fff;
    color: var(--primary-dark);
}

.z076f3hero-visual {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.z076f3hero-image {
    max-width: 280px;
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.25);
    border: 3px solid rgba(255, 255, 255, 0.15);
}

.z076f3hero-image-shadow {
    display: none;
}

/* —— 简介条 —— */
.z076f3intro-strip {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 2rem 0;
}

.z076f3intro-strip p {
    margin: 0;
    font-size: 1.02rem;
    color: var(--text);
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.75;
}

/* —— 特点 Bento —— */
.z076f3features-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.25rem;
}

.z076f3feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    height: 100%;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition);
    overflow: hidden;
}

.z076f3feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.z076f3feature-card.span-4 {
    grid-column: span 4;
}

.z076f3feature-card.span-6 {
    grid-column: span 6;
}

.z076f3feature-card.span-8 {
    grid-column: span 8;
}

.z076f3feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    margin-bottom: 1rem;
}

.z076f3feature-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.6rem;
}

.z076f3feature-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* —— 统计 —— */
.z076f3stats-section {
    background: linear-gradient(90deg, var(--secondary) 0%, #0f766e 100%);
    color: #fff;
    padding: 3rem 0;
}

.z076f3stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.z076f3stat-item {
    text-align: center;
    padding: 1rem;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.z076f3stat-item:last-child {
    border-right: none;
}

.z076f3stat-number {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 0.35rem;
}

.z076f3stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* —— 下载 —— */
.z076f3download-section {
    padding: 4.5rem 0;
    background: var(--surface-alt);
}

.z076f3download-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.z076f3download-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow);
    transition: box-shadow var(--transition);
    overflow: hidden;
}

.z076f3download-card:hover {
    box-shadow: var(--shadow-hover);
}

.z076f3download-card-head {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.z076f3platform-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
}

.z076f3pc-icon {
    background: linear-gradient(135deg, #6366f1, #4f46e5);
}

.z076f3mobile-icon {
    background: linear-gradient(135deg, var(--accent), #ea580c);
}

.z076f3download-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
    color: var(--primary-dark);
}

.z076f3download-card .sub {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

.z076f3download-info {
    background: var(--surface-alt);
    border-radius: 10px;
    padding: 1.15rem;
    margin-bottom: 1.25rem;
    flex: 1;
}

.z076f3info-item {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    margin-bottom: 0.65rem;
    font-size: 0.92rem;
    color: var(--text);
}

.z076f3info-item:last-child {
    margin-bottom: 0;
}

.z076f3info-item i {
    color: var(--secondary);
    margin-top: 0.15rem;
}

.z076f3download-action .btn {
    width: 100%;
    border-radius: 10px;
    font-weight: 600;
    padding: 0.7rem 1rem;
    background: var(--primary);
    border: none;
    white-space: normal;
}

.z076f3download-action .btn:hover {
    background: var(--primary-dark);
}

/* —— 安全 —— */
.z076f3security-section {
    padding: 4.5rem 0;
    background: var(--surface);
}

.z076f3security-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.z076f3security-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    height: 100%;
    text-align: center;
    box-shadow: var(--shadow);
}

.z076f3security-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 1rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.z076f3security-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.75rem;
}

.z076f3security-features {
    text-align: left;
    background: var(--surface-alt);
    border-radius: 10px;
    padding: 1rem;
}

.z076f3feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.88rem;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.z076f3feature-item:last-child {
    margin-bottom: 0;
}

.z076f3feature-item i {
    color: var(--secondary);
    margin-top: 0.15rem;
}

.z076f3knowledge-panel {
    margin-top: 2.5rem;
    background: linear-gradient(135deg, var(--surface-alt), #ede9fe);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.z076f3knowledge-panel h3 {
    font-size: 1.2rem;
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.z076f3knowledge-panel p {
    margin-bottom: 0.85rem;
    color: var(--text);
    font-size: 0.98rem;
}

.z076f3knowledge-panel p:last-child {
    margin-bottom: 0;
}

/* —— FAQ —— */
.z076f3faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.z076f3faq-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.35rem 1.5rem;
    height: 100%;
    box-shadow: var(--shadow);
}

.z076f3faq-card h5 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 0.6rem;
}

.z076f3faq-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.94rem;
}

/* —— 文章区 —— */
#article {
    background: var(--surface-alt);
}

#article .card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

#article .card-body {
    padding: 1rem;
}

.z076f3thumb-home {
    height: 120px;
    width: 100%;
    object-fit: cover;
}

/* —— 页脚 —— */
.z076f3footer {
    background: var(--surface-dark);
    color: rgba(255, 255, 255, 0.75);
    padding: 3.5rem 0 1.5rem;
}

.z076f3footer-title {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.z076f3footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.z076f3footer-links li {
    margin-bottom: 0.5rem;
}

.z076f3footer-link {
    color: rgba(255, 255, 255, 0.65);
    transition: color var(--transition);
}

.z076f3footer-link:hover {
    color: var(--accent);
}

.z076f3footer p {
    font-size: 0.9rem;
    line-height: 1.6;
}

.z076f3friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.z076f3friend-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.z076f3footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1.25rem;
    margin-top: 2rem;
    text-align: center;
    font-size: 0.88rem;
}

.z076f3footer-bottom a {
    color: rgba(255, 255, 255, 0.7);
}

/* —— 列表/内页 —— */
.z076f3page-main {
    padding: 2.5rem 0 3.5rem;
    background: var(--surface-alt);
    min-height: 50vh;
}

.z076f3page-main .card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.z076f3page-main .card-body {
    padding: 1.25rem 1.5rem;
}

.z076f3article-content {
    overflow-wrap: break-word;
    word-break: break-word;
}

.z076f3article-content img {
    max-width: 100%;
    height: auto;
}

.z076f3meta-tags .z076f3tagitem a {
    display: inline-block;
    padding: 0.25rem 0.65rem;
    background: var(--surface-alt);
    border-radius: 6px;
    font-size: 0.85rem;
}

.pagebar .pagelist {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.pagebar .pagelist li {
    display: inline-flex;
    margin: 0;
}

/* —— Bootstrap 按钮覆盖 —— */
.btn-primary.z076f3btn,
.z076f3btn.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
}

.btn-primary.z076f3btn:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.btn-outline-primary.z076f3btn {
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-primary.z076f3btn:hover {
    background: var(--primary);
    border-color: var(--primary);
}

/* —— 响应式 —— */
@media (max-width: 991px) {
    .z076f3features-grid .z076f3feature-card.span-4,
    .z076f3features-grid .z076f3feature-card.span-6,
    .z076f3features-grid .z076f3feature-card.span-8 {
        grid-column: span 6;
    }

    .z076f3stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .z076f3stat-item {
        border-right: none;
        border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        padding-bottom: 1.25rem;
    }

    .z076f3stat-item:nth-child(2n) {
        border-right: none;
    }

    .z076f3security-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .z076f3hero-section {
        padding: 3rem 0 3.5rem;
    }
}

@media (max-width: 767px) {
    .z076f3section {
        padding: 3rem 0;
    }

    .z076f3section-head {
        margin-bottom: 2rem;
    }

    .z076f3features-grid {
        grid-template-columns: 1fr;
    }

    .z076f3features-grid .z076f3feature-card.span-4,
    .z076f3features-grid .z076f3feature-card.span-6,
    .z076f3features-grid .z076f3feature-card.span-8 {
        grid-column: span 1;
    }

    .z076f3stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }

    .z076f3stat-item {
        padding: 0.75rem 0.5rem;
    }

    .z076f3download-grid {
        grid-template-columns: 1fr;
    }

    .z076f3security-grid {
        grid-template-columns: 1fr;
    }

    .z076f3faq-grid {
        grid-template-columns: 1fr;
    }

    .z076f3hero-buttons {
        flex-direction: column;
    }

    .z076f3hero-buttons .btn {
        width: 100%;
    }

    .z076f3hero-visual {
        margin-top: 2rem;
    }

    .z076f3hero-image {
        max-width: 220px;
    }

    .z076f3navbar {
        padding: 0.5rem 0;
    }

    .z076f3navbar .navbar-collapse {
        margin-top: 0.5rem;
        max-height: 70vh;
        overflow-y: auto;
        padding: 0.75rem;
        border-radius: var(--radius);
        border: 1px solid var(--border);
        box-shadow: var(--shadow);
    }

    .z076f3nav-link {
        padding: 0.5rem 0.35rem !important;
    }

    .z076f3download-card {
        padding: 1.25rem;
    }

    .z076f3download-card-head {
        flex-wrap: wrap;
    }

    .z076f3knowledge-panel {
        padding: 1.35rem;
    }

    .z076f3footer .row > [class*="col-"] {
        text-align: center;
        margin-bottom: 1.5rem;
    }

    .z076f3friend-links {
        justify-content: center;
    }

    #article .z076f3thumb-home {
        height: 96px !important;
    }

    #article h3.h5 {
        font-size: 0.95rem;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .listbox .e2 li h2.h5 {
        font-size: 1rem;
        line-height: 1.35;
    }

    .z076f3thumb-list,
    .z076f3thumb-related {
        height: 72px !important;
    }

    .z076f3thumb-side {
        height: 50px !important;
    }

    .z076f3thumb-cover {
        max-width: 100% !important;
        width: 100%;
        height: 170px !important;
    }

    .z076f3page-main .card-body {
        padding: 1rem;
    }
}

@media (max-width: 575px) {
    .z076f3stats-grid {
        grid-template-columns: 1fr;
    }

    .z076f3stat-item {
        border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    }

    .z076f3intro-strip p {
        font-size: 0.95rem;
        text-align: left;
    }

    #article .z076f3thumb-home {
        height: 88px !important;
    }

    .z076f3thumb-list,
    .z076f3thumb-related {
        height: 64px !important;
    }

    .z076f3thumb-cover {
        height: 150px !important;
    }

    .z076f3navbar-brand img {
        height: 36px;
    }
}