/* QuickQ 官网主题 — 青绿 + 琥珀强调色 */
:root {
    --qk-primary: #1a7a72;
    --qk-primary-dark: #0f4f4a;
    --qk-accent: #d4a054;
    --qk-accent-hover: #c08f3f;
    --qk-bg: #f4f7f6;
    --qk-surface: #ffffff;
    --qk-text: #1e2d2b;
    --qk-muted: #5c6f6c;
    --qk-border: rgba(26, 122, 114, 0.14);
    --qk-radius: 14px;
    --qk-radius-sm: 10px;
    --qk-shadow: 0 8px 28px rgba(15, 79, 74, 0.08);
    --qk-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --primary-color: var(--qk-primary);
    --secondary-color: var(--qk-primary-dark);
    --accent-color: var(--qk-accent);
    --text-color: var(--qk-text);
    --light-bg: var(--qk-bg);
}

*,
*::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(--qk-text);
    line-height: 1.65;
    background: var(--qk-bg);
    overflow-x: hidden;
}

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

/* —— 导航 —— */
.qk-nav.zd9a85navbar {
    background: var(--qk-surface);
    border-bottom: 1px solid var(--qk-border);
    box-shadow: none;
    padding: 0.65rem 0;
}

.zd9a85navbar-brand img {
    height: 42px;
    width: auto;
}

.zd9a85nav-link {
    color: var(--qk-muted) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.45rem 0.85rem !important;
    border-radius: 8px;
    transition: color var(--qk-transition), background var(--qk-transition);
}

.zd9a85nav-link:hover,
.zd9a85nav-link.active {
    color: var(--qk-primary) !important;
    background: rgba(26, 122, 114, 0.08);
}

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

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

/* —— 按钮 —— */
.qk-btn-primary,
.zd9a85download-action .qk-btn-primary,
.zd9a85hero-buttons .qk-btn-primary {
    background: linear-gradient(135deg, var(--qk-primary) 0%, var(--qk-primary-dark) 100%);
    border: none;
    color: #fff;
    border-radius: var(--qk-radius-sm);
    font-weight: 600;
    padding: 0.7rem 1.35rem;
    white-space: normal;
}

.qk-btn-primary:hover {
    background: linear-gradient(135deg, var(--qk-primary-dark) 0%, var(--qk-primary) 100%);
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(15, 79, 74, 0.2);
}

.qk-btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.85);
    color: #fff;
    border-radius: var(--qk-radius-sm);
    font-weight: 600;
    padding: 0.65rem 1.3rem;
    white-space: normal;
}

.qk-btn-outline:hover {
    background: #fff;
    color: var(--qk-primary-dark);
    border-color: #fff;
}

.qk-articles .qk-btn-outline,
.qk-footer ~ * .qk-btn-outline {
    border-color: var(--qk-primary);
    color: var(--qk-primary);
}

.qk-articles .qk-btn-outline:hover {
    background: var(--qk-primary);
    color: #fff;
}

.btn.zd9a85btn {
    border-radius: var(--qk-radius-sm);
}

/* —— Hero —— */
.qk-hero.zd9a85hero-section {
    background: linear-gradient(145deg, var(--qk-primary-dark) 0%, var(--qk-primary) 55%, #2a9d8f 100%);
    color: #fff;
    padding: clamp(3rem, 8vw, 5.5rem) 0;
    position: relative;
    overflow: hidden;
}

.qk-hero.zd9a85hero-section::after {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 85% 20%, rgba(212, 160, 84, 0.15), transparent 45%);
    pointer-events: none;
}

.qk-hero .zd9a85container {
    position: relative;
    z-index: 1;
}

.qk-badge {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    padding: 0.35rem 0.85rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.25);
    margin-bottom: 1rem;
}

.zd9a85hero-title {
    font-size: clamp(1.75rem, 4.5vw, 2.75rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.zd9a85hero-subtitle {
    font-size: clamp(0.95rem, 2vw, 1.1rem);
    opacity: 0.92;
    max-width: 36rem;
    margin-bottom: 1.5rem;
}

.qk-hero-actions.zd9a85hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.qk-hero-tags {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.25rem;
    font-size: 0.88rem;
    opacity: 0.9;
}

.qk-hero-tags li {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.qk-hero-visual.zd9a85hero-image-container {
    min-height: auto;
    padding: 1rem;
    margin-top: 0;
    display: flex;
    justify-content: center;
    align-items: center;
}

.zd9a85hero-image {
    max-width: min(280px, 85vw);
    border-radius: var(--qk-radius);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
    border: 3px solid rgba(255, 255, 255, 0.2);
}

.zd9a85hero-image-shadow {
    display: none;
}

/* —— 通用区块 —— */
.qk-section {
    padding: clamp(2.5rem, 6vw, 4rem) 0;
}

.qk-section-head {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 2rem;
}

.qk-section-head h2 {
    font-size: clamp(1.4rem, 3vw, 1.85rem);
    font-weight: 700;
    color: var(--qk-primary-dark);
    margin-bottom: 0.65rem;
}

.qk-section-head p {
    color: var(--qk-muted);
    margin: 0;
    font-size: 0.98rem;
}

/* —— Bento 特点区 —— */
.qk-features {
    background: var(--qk-surface);
}

.qk-bento-card {
    background: var(--qk-bg);
    border: 1px solid var(--qk-border);
    border-radius: var(--qk-radius);
    padding: 1.35rem 1.25rem;
    height: 100%;
    transition: border-color var(--qk-transition), box-shadow var(--qk-transition);
    overflow: hidden;
}

.qk-bento-card:hover {
    border-color: rgba(26, 122, 114, 0.35);
    box-shadow: var(--qk-shadow);
}

.qk-bento-main {
    background: linear-gradient(160deg, rgba(26, 122, 114, 0.08), var(--qk-bg));
}

.qk-bento-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--qk-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    margin-bottom: 0.85rem;
}

.qk-bento-card h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--qk-primary-dark);
    margin-bottom: 0.5rem;
}

.qk-bento-card p {
    font-size: 0.92rem;
    color: var(--qk-muted);
    margin: 0;
    line-height: 1.6;
}

/* —— 统计 —— */
.qk-stats.zd9a85stats-section {
    background: var(--qk-primary-dark);
    padding: clamp(2rem, 5vw, 3rem) 0;
}

.qk-stat-pill.zd9a85stat-item {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--qk-radius);
    padding: 1.1rem 0.75rem;
    text-align: center;
    height: 100%;
}

.zd9a85stat-number {
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-weight: 700;
    color: var(--qk-accent);
    margin-bottom: 0.25rem;
}

.zd9a85stat-label {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.85);
}

/* —— 下载区 —— */
.qk-download.zd9a85download-section {
    background: var(--qk-bg);
    padding: clamp(2.5rem, 6vw, 4rem) 0;
}

.qk-dl-card.zd9a85download-card {
    background: var(--qk-surface);
    border: 1px solid var(--qk-border);
    border-radius: var(--qk-radius);
    padding: 1.35rem;
    box-shadow: var(--qk-shadow);
    overflow: hidden;
    transition: transform var(--qk-transition);
}

.qk-dl-card.zd9a85download-card:hover {
    transform: translateY(-3px);
}

.qk-dl-head {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.qk-dl-head h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0;
    color: var(--qk-primary-dark);
}

.zd9a85platform-icon {
    width: 52px;
    height: 52px;
    flex-shrink: 0;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.35rem;
}

.zd9a85ios-icon {
    background: linear-gradient(135deg, #3b82c4, #1e5a9e);
    color: #fff;
}

.zd9a85android-icon {
    background: linear-gradient(135deg, #3ddc84, #1fa463);
    color: #fff;
}

.qk-dl-list.zd9a85download-info {
    list-style: none;
    padding: 0.85rem 1rem;
    margin: 0 0 1rem;
    background: rgba(26, 122, 114, 0.05);
    border-radius: var(--qk-radius-sm);
    border: 1px solid var(--qk-border);
}

.qk-dl-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--qk-muted);
    margin-bottom: 0.5rem;
}

.qk-dl-list li:last-child {
    margin-bottom: 0;
}

.qk-dl-list i {
    color: var(--qk-primary);
    margin-top: 0.2rem;
}

.qk-knowledge {
    margin-top: 2rem;
    padding: 1.25rem 1.35rem;
    background: var(--qk-surface);
    border: 1px solid var(--qk-border);
    border-radius: var(--qk-radius);
    border-left: 4px solid var(--qk-accent);
}

.qk-knowledge h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--qk-primary-dark);
    margin-bottom: 0.85rem;
}

.qk-knowledge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 0.75rem 1.25rem;
}

.qk-knowledge-grid p {
    font-size: 0.88rem;
    color: var(--qk-muted);
    margin: 0;
    line-height: 1.55;
}

/* —— 安全 —— */
.qk-security.zd9a85security-section {
    background: var(--qk-surface);
    padding: clamp(2.5rem, 6vw, 4rem) 0;
}

.qk-sec-card.zd9a85security-card {
    background: var(--qk-bg);
    border: 1px solid var(--qk-border);
    border-radius: var(--qk-radius);
    padding: 1.25rem;
    height: 100%;
    text-align: center;
    box-shadow: none;
    overflow: hidden;
}

.qk-sec-card.zd9a85security-card:hover {
    border-color: rgba(26, 122, 114, 0.3);
    box-shadow: var(--qk-shadow);
    transform: none;
}

.zd9a85security-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 0.85rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--qk-primary), var(--qk-primary-dark));
    color: #fff;
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.qk-sec-card h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--qk-primary-dark);
    margin-bottom: 0.75rem;
}

.qk-sec-list {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
    font-size: 0.88rem;
    color: var(--qk-muted);
}

.qk-sec-list li {
    padding: 0.35rem 0;
    border-bottom: 1px dashed var(--qk-border);
}

.qk-sec-list li:last-child {
    border-bottom: none;
}

/* —— FAQ —— */
.qk-faq {
    background: var(--qk-bg);
}

.qk-faq-item.card {
    border: 1px solid var(--qk-border);
    border-radius: var(--qk-radius);
    box-shadow: none;
    height: 100%;
    overflow: hidden;
}

.qk-faq-item .card-body {
    padding: 1.15rem 1.25rem;
}

.qk-faq-item h5 {
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--qk-primary-dark);
    margin-bottom: 0.5rem;
}

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

/* —— 文章区 —— */
.qk-articles {
    background: var(--qk-surface);
    border-top: 1px solid var(--qk-border);
}

.qk-article-card {
    border: 1px solid var(--qk-border);
    border-radius: var(--qk-radius-sm);
    overflow: hidden;
    box-shadow: none;
}

.qk-article-thumb-wrap {
    overflow: hidden;
}

.qk-article-thumb.zd9a85thumb-home {
    width: 100%;
    height: 110px;
    object-fit: cover;
}

.qk-article-card .card-body {
    padding: 0.75rem 0.85rem;
}

.qk-article-card h3 a {
    color: var(--qk-text);
}

.qk-article-card h3 a:hover {
    color: var(--qk-primary);
}

/* —— 页脚 —— */
.qk-footer.zd9a85footer {
    background: var(--qk-primary-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: clamp(2rem, 5vw, 3rem) 0 1.5rem;
}

.qk-footer .zd9a85footer-title {
    color: var(--qk-accent);
    font-size: 0.95rem;
    margin-bottom: 0.85rem;
}

.qk-footer .zd9a85footer-link {
    color: rgba(255, 255, 255, 0.75);
}

.qk-footer .zd9a85footer-link:hover {
    color: #fff;
}

.qk-footer .zd9a85footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    color: rgba(255, 255, 255, 0.65);
}

.qk-footer .zd9a85footer-bottom a {
    color: rgba(255, 255, 255, 0.85);
}

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

.qk-friend-links a {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.88rem;
}

/* —— 列表 / 内页 —— */
.zd9a85py-5.bg-light {
    background: var(--qk-bg) !important;
}

.zd9a85py-5 .card {
    border: 1px solid var(--qk-border);
    border-radius: var(--qk-radius);
    overflow: hidden;
}

.zd9a85article-content {
    word-break: break-word;
    overflow-wrap: break-word;
}

.zd9a85article-content img {
    max-width: 100%;
    height: auto;
}

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

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

/* 兼容旧类名 */
.zd9a85feature-card {
    border-radius: var(--qk-radius);
    border: 1px solid var(--qk-border);
    height: 100%;
}

.zd9a85download-header h2,
.zd9a85security-header h2 {
    color: var(--qk-primary-dark);
}

.zd9a85download-subtitle,
.zd9a85security-subtitle {
    color: var(--qk-muted);
}

/* —— 响应式 —— */
@media (max-width: 991px) {
    .zd9a85navbar .navbar-collapse {
        margin-top: 0.5rem;
        padding: 0.75rem;
        border-radius: var(--qk-radius-sm);
        border: 1px solid var(--qk-border);
        max-height: 70vh;
        overflow-y: auto;
    }

    .qk-hero .col-lg-5 {
        order: -1;
    }

    .qk-hero-visual {
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 767px) {
    .zd9a85navbar {
        padding: 0.5rem 0;
    }

    .zd9a85navbar-brand img {
        height: 36px;
    }

    .qk-hero-actions.zd9a85hero-buttons {
        flex-direction: column;
    }

    .qk-hero-actions .btn {
        width: 100%;
        justify-content: center;
    }

    .qk-dl-head {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }

    .qk-knowledge-grid {
        grid-template-columns: 1fr;
    }

    .qk-footer .zd9a85row > [class*="col-"] {
        text-align: center;
    }

    .qk-friend-links {
        justify-content: center;
    }

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

    .qk-article-thumb.zd9a85thumb-home {
        height: 96px;
    }

    #article .card-body {
        padding: 0.65rem;
    }

    #article h3.h6 {
        font-size: 0.9rem;
        line-height: 1.35;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .listbox .e2 li {
        padding-bottom: 0.75rem !important;
        margin-bottom: 0.75rem !important;
    }

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

    .zd9a85thumb-list,
    .zd9a85thumb-related {
        height: 72px !important;
    }

    .zd9a85thumb-side {
        height: 50px !important;
    }

    .zd9a85thumb-cover {
        max-width: 100% !important;
        width: 100%;
        height: 170px !important;
    }
}

@media (max-width: 575px) {
    .container {
        padding-left: 14px;
        padding-right: 14px;
    }

    .qk-bento-card {
        padding: 1rem;
    }

    .qk-dl-card.zd9a85download-card {
        padding: 1rem;
    }

    .qk-stat-pill.zd9a85stat-item {
        padding: 0.85rem 0.5rem;
    }

    .zd9a85stat-number {
        font-size: 1.35rem;
    }

    .qk-article-thumb.zd9a85thumb-home {
        height: 88px;
    }

    .zd9a85thumb-list,
    .zd9a85thumb-related {
        height: 64px !important;
    }

    .zd9a85thumb-cover {
        height: 150px !important;
    }
}