/* AVE 官网 — 全新主题：深靛蓝 + 琥珀金 */
:root {
    --primary: #1a365d;
    --primary-light: #2c5282;
    --accent: #d69e2e;
    --accent-hover: #b7791f;
    --surface: #f7fafc;
    --surface-alt: #edf2f7;
    --text: #2d3748;
    --text-muted: #718096;
    --white: #ffffff;
    --border: #e2e8f0;
    --radius: 10px;
    --radius-lg: 16px;
    --shadow: 0 4px 24px rgba(26, 54, 93, 0.08);
    --shadow-hover: 0 8px 32px rgba(26, 54, 93, 0.12);
    --transition: 0.25s ease;
    --container-max: 1140px;
}

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

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

body {
    font-family: 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', sans-serif;
    color: var(--text);
    line-height: 1.65;
    background: var(--white);
    margin: 0;
    overflow-x: hidden;
}

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

/* —— 导航 —— */
.zfddd0navbar {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.zfddd0navbar-brand img {
    height: 42px;
    width: auto;
}

.zfddd0nav-link {
    color: var(--text) !important;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.45rem 0.85rem !important;
    border-radius: 6px;
    transition: color var(--transition), background var(--transition);
}

.zfddd0nav-link:hover,
.zfddd0nav-link.active {
    color: var(--primary) !important;
    background: var(--surface-alt);
}

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

.navbar-collapse {
    background: var(--white);
}

@media (max-width: 991px) {
    .navbar-collapse {
        padding: 0.75rem 0;
        margin-top: 0.5rem;
        border-top: 1px solid var(--border);
        max-height: 70vh;
        overflow-y: auto;
    }

    .zfddd0nav-link {
        padding: 0.5rem 0.25rem !important;
    }
}

/* —— 通用区块 —— */
.zfddd0section {
    padding: 4.5rem 0;
}

.zfddd0section-alt {
    background: var(--surface);
}

.zfddd0section-title {
    font-size: 1.85rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.zfddd0section-lead {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 640px;
    margin: 0 auto 2.5rem;
}

.zfddd0container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: 1rem;
    padding-right: 1rem;
    width: 100%;
}

/* —— Hero —— */
.zfddd0hero-section {
    background: linear-gradient(160deg, var(--primary) 0%, #2a4365 55%, #1a365d 100%);
    color: var(--white);
    padding: 4rem 0 4.5rem;
    position: relative;
    overflow: hidden;
}

.zfddd0hero-section::after {
    content: '';
    position: absolute;
    right: -10%;
    top: -20%;
    width: 50%;
    height: 140%;
    background: radial-gradient(ellipse, rgba(214, 158, 46, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.zfddd0hero-content {
    position: relative;
    z-index: 1;
}

.zfddd0hero-badge {
    display: inline-block;
    background: rgba(214, 158, 46, 0.2);
    color: #fbd38d;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    margin-bottom: 1rem;
    border: 1px solid rgba(214, 158, 46, 0.35);
}

.zfddd0hero-title {
    font-size: clamp(1.75rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 1rem;
}

.zfddd0hero-subtitle {
    font-size: 1.05rem;
    opacity: 0.92;
    margin-bottom: 1.75rem;
    max-width: 520px;
}

.zfddd0hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.zfddd0hero-buttons .btn {
    padding: 0.7rem 1.35rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: normal;
    text-align: center;
}

.zfddd0btn-primary {
    background: var(--accent);
    color: var(--primary);
}

.zfddd0btn-primary:hover {
    background: var(--accent-hover);
    color: var(--white);
    transform: translateY(-1px);
}

.zfddd0btn-outline-light {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.5) !important;
}

.zfddd0btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--white);
}

.zfddd0hero-image-container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}

.zfddd0hero-image {
    max-width: 280px;
    width: 100%;
    border-radius: var(--radius-lg);
    border: 2px solid rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-hover);
}

.zfddd0hero-image-shadow {
    display: none;
}

/* —— 优势 Bento —— */
.zfddd0bento-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.zfddd0bento-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    transition: box-shadow var(--transition), border-color var(--transition);
    height: 100%;
    overflow: hidden;
}

.zfddd0bento-card:hover {
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-light);
}

.zfddd0bento-card.span-2 {
    grid-column: span 2;
}

.zfddd0bento-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.zfddd0bento-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.6rem;
}

.zfddd0bento-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* —— 数据条 —— */
.zfddd0stats-section {
    background: var(--white);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 2.5rem 0;
}

.zfddd0stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    text-align: center;
}

.zfddd0stat-item {
    padding: 0.5rem 1rem;
    border-right: 1px solid var(--border);
}

.zfddd0stat-item:last-child {
    border-right: none;
}

.zfddd0stat-number {
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: 700;
    color: var(--primary);
    line-height: 1.2;
}

.zfddd0stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* —— 知识导读 —— */
.zfddd0knowledge-wrap {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

.zfddd0knowledge-panel {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.75rem;
    height: 100%;
}

.zfddd0knowledge-panel h3 {
    font-size: 1.1rem;
    color: var(--primary);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--accent);
    display: inline-block;
}

.zfddd0knowledge-panel p,
.zfddd0knowledge-panel li {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 0.65rem;
}

.zfddd0knowledge-panel ul {
    padding-left: 1.2rem;
    margin: 0;
}

/* —— 下载 —— */
.zfddd0download-section {
    padding: 4.5rem 0;
    background: var(--surface-alt);
}

.zfddd0download-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
}

.zfddd0download-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: box-shadow var(--transition);
}

.zfddd0download-card:hover {
    box-shadow: var(--shadow);
}

.zfddd0download-card-head {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}

.zfddd0platform-icon {
    width: 52px;
    height: 52px;
    min-width: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
    color: var(--white);
}

.zfddd0ios-icon {
    background: linear-gradient(135deg, #3182ce, #2b6cb0);
}

.zfddd0android-icon {
    background: linear-gradient(135deg, #38a169, #276749);
}

.zfddd0download-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0 0 0.2rem;
}

.zfddd0download-card .text-muted {
    font-size: 0.85rem;
    color: var(--text-muted) !important;
    margin: 0;
}

.zfddd0download-info {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.15rem;
    flex: 1;
    margin-bottom: 1.25rem;
}

.zfddd0info-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.6rem;
    font-size: 0.9rem;
    color: var(--text);
}

.zfddd0info-item:last-child {
    margin-bottom: 0;
}

.zfddd0info-item i {
    color: var(--accent);
    margin-top: 0.15rem;
    flex-shrink: 0;
}

.zfddd0download-action .btn {
    width: 100%;
    padding: 0.65rem 1rem;
    border-radius: 8px;
    font-weight: 600;
    background: var(--primary);
    border: none;
    color: var(--white);
    white-space: normal;
}

.zfddd0download-action .btn:hover {
    background: var(--primary-light);
    color: var(--white);
}

/* —— 安全 —— */
.zfddd0security-section {
    padding: 4.5rem 0;
    background: var(--white);
}

.zfddd0security-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
}

.zfddd0security-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 1.35rem;
    height: 100%;
    overflow: hidden;
}

.zfddd0security-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0.75rem 0 0.85rem;
    text-align: left;
}

.zfddd0security-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.zfddd0security-features {
    background: transparent;
    padding: 0;
}

.zfddd0feature-item {
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    margin-bottom: 0.45rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.zfddd0feature-item i {
    color: var(--accent);
    font-size: 0.75rem;
    margin-top: 0.2rem;
}

.zfddd0security-certificates {
    margin-top: 2rem;
}

.zfddd0cert-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.zfddd0certificate-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.35rem;
    text-align: center;
    height: 100%;
}

.zfddd0certificate-icon {
    width: 48px;
    height: 48px;
    margin: 0 auto 0.75rem;
    border-radius: 50%;
    background: var(--surface-alt);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}

.zfddd0certificate-card h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.35rem;
}

.zfddd0certificate-card p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0;
}

/* —— FAQ —— */
.zfddd0faq-section {
    padding: 4.5rem 0;
    background: var(--surface);
}

.zfddd0faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.zfddd0faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.35rem;
    height: 100%;
    overflow: hidden;
}

.zfddd0faq-item h5 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.zfddd0faq-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
}

/* —— 文章区 —— */
#article {
    padding: 4rem 0;
    background: var(--white);
}

#article .card {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    height: 100%;
}

#article .card-body {
    padding: 0.85rem;
}

.zfddd0thumb-home {
    height: 110px !important;
    object-fit: cover;
    width: 100%;
}

#article h3.h5 {
    font-size: 0.9rem;
    line-height: 1.4;
}

#article h3.h5 a {
    color: var(--primary);
}

#article h3.h5 a:hover {
    color: var(--accent-hover);
}

/* —— 页脚 —— */
.zfddd0footer {
    background: var(--primary);
    color: rgba(255, 255, 255, 0.85);
    padding: 3rem 0 1.5rem;
}

.zfddd0footer-title {
    color: var(--white);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.zfddd0footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.zfddd0footer-links li {
    margin-bottom: 0.5rem;
}

.zfddd0footer-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition);
}

.zfddd0footer-link:hover {
    color: var(--accent);
}

.zfddd0footer p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.zfddd0friend-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    list-style: none;
    padding: 0;
    margin: 0;
}

.zfddd0friend-links a {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.85rem;
    text-decoration: none;
}

.zfddd0friend-links a:hover {
    color: var(--accent);
}

.zfddd0footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 1.25rem;
    margin-top: 2rem;
    text-align: center;
    font-size: 0.85rem;
}

.zfddd0footer-bottom a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
}

.zfddd0footer-bottom a:hover {
    color: var(--accent);
}

/* —— 列表/内页 —— */
.zfddd0page-main {
    padding: 2.5rem 0 3.5rem;
    background: var(--surface);
    min-height: 50vh;
}

.zfddd0page-main .card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.zfddd0page-main .card-body {
    padding: 1.25rem 1.5rem;
}

.zfddd0article-content {
    font-size: 1rem;
    line-height: 1.75;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.zfddd0article-content img {
    max-width: 100%;
    height: auto;
}

.zfddd0thumb-list,
.zfddd0thumb-related {
    width: 100%;
    height: 84px;
    object-fit: cover;
    border-radius: var(--radius);
}

.zfddd0thumb-side {
    width: 100%;
    height: 54px;
    object-fit: cover;
    border-radius: 6px;
}

.zfddd0thumb-cover {
    max-width: 100%;
    width: 100%;
    height: auto;
    max-height: 320px;
    object-fit: cover;
    border-radius: var(--radius);
}

.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;
}

.listbox .e2 li:last-child {
    border-bottom: none !important;
    margin-bottom: 0 !important;
    padding-bottom: 0 !important;
}

/* —— 响应式 —— */
@media (max-width: 991px) {
    .zfddd0bento-grid {
        grid-template-columns: 1fr 1fr;
    }

    .zfddd0bento-card.span-2 {
        grid-column: span 2;
    }

    .zfddd0knowledge-wrap {
        grid-template-columns: 1fr;
    }

    .zfddd0security-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .zfddd0stats-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .zfddd0stat-item {
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 1rem 0.5rem;
    }

    .zfddd0stat-item:nth-child(odd) {
        border-right: 1px solid var(--border);
    }

    .zfddd0stat-item:nth-last-child(-n+2) {
        border-bottom: none;
    }
}

@media (max-width: 767px) {
    .zfddd0section {
        padding: 3rem 0;
    }

    .zfddd0hero-section {
        padding: 2.5rem 0 3rem;
    }

    .zfddd0hero-buttons {
        flex-direction: column;
    }

    .zfddd0hero-buttons .btn {
        width: 100%;
    }

    .zfddd0bento-grid {
        grid-template-columns: 1fr;
    }

    .zfddd0bento-card.span-2 {
        grid-column: span 1;
    }

    .zfddd0download-grid {
        grid-template-columns: 1fr;
    }

    .zfddd0security-grid {
        grid-template-columns: 1fr;
    }

    .zfddd0cert-row {
        grid-template-columns: 1fr;
    }

    .zfddd0faq-grid {
        grid-template-columns: 1fr;
    }

    .zfddd0stats-row {
        grid-template-columns: 1fr 1fr;
    }

    .zfddd0stat-item {
        border-right: none !important;
        border-bottom: 1px solid var(--border);
    }

    .zfddd0stat-item:nth-last-child(-n+2) {
        border-bottom: 1px solid var(--border);
    }

    .zfddd0stat-item:last-child {
        border-bottom: none;
    }

    .zfddd0download-card-head {
        flex-wrap: wrap;
    }

    .zfddd0section-title {
        font-size: 1.5rem;
    }

    .zfddd0footer .row > [class*="col-"] {
        text-align: center;
        margin-bottom: 1.5rem;
    }

    .zfddd0friend-links {
        justify-content: center;
    }

    #article .row-cols-lg-5 {
        --bs-columns: 2;
    }

    .zfddd0thumb-home {
        height: 96px !important;
    }

    #article h3.h5 {
        font-size: 0.88rem;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .listbox .e2 li h2.h5 {
        font-size: 0.95rem;
    }

    .zfddd0thumb-list,
    .zfddd0thumb-related {
        height: 72px !important;
    }

    .zfddd0thumb-side {
        height: 50px !important;
    }

    .zfddd0thumb-cover {
        max-height: 200px;
    }

    .zfddd0page-main .card-body {
        padding: 1rem;
    }
}

@media (max-width: 575px) {
    .zfddd0stats-row {
        grid-template-columns: 1fr;
    }

    .zfddd0stat-item {
        border-bottom: 1px solid var(--border) !important;
    }

    .zfddd0stat-item:last-child {
        border-bottom: none !important;
    }

    #article .zfddd0thumb-home {
        height: 88px !important;
    }

    .zfddd0thumb-list,
    .zfddd0thumb-related {
        height: 64px !important;
    }
}

/* Bootstrap 兼容 */
.btn-primary.zfddd0btn,
.zfddd0btn.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
}

.btn-primary.zfddd0btn:hover {
    background: var(--primary-light);
    border-color: var(--primary-light);
}

.btn-outline-primary.zfddd0btn {
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline-primary.zfddd0btn:hover {
    background: var(--primary);
    color: var(--white);
}