:root {
    --qtt7-pri: #6f2a16;
    --qtt7-acc: #47919d;
    --qtt7-bg: #f4f4f6;
    --qtt7-panel: #ffffff;
    --qtt7-text: #2d3748;
    --qtt7-text-mut: #718096;
    --qtt7-border: #e2e8f0;
    --qtt7-rad: 20px 4px 20px 4px;
    --qtt7-rad-sm: 10px 2px 10px 2px;
}

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

html, body {
    font-family: 'Nunito', sans-serif;
    background-color: var(--qtt7-bg);
    color: var(--qtt7-text);
    font-size: 16px;
    line-height: 1.5;
    overflow-x: hidden;
    width: 100%;
}

a {
    color: inherit;
    text-decoration: none;
}

/* Typography */
h1, h2, h3, h4, h5, h6, .qtt7-logo {
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    color: var(--qtt7-pri);
}

.qtt7-h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    line-height: 1.2;
}

.qtt7-h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    position: relative;
    padding-left: 14px;
}

.qtt7-h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10%;
    bottom: 10%;
    width: 4px;
    background-color: var(--qtt7-acc);
    border-radius: 4px;
}

.qtt7-h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

/* Layout */
.qtt7-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.qtt7-sidebar {
    background-color: var(--qtt7-panel);
    border-bottom: 1px solid var(--qtt7-border);
    display: flex;
    flex-direction: column;
    z-index: 10;
}

.qtt7-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.qtt7-brand-wrap {
    padding: 1rem;
    text-align: center;
    background-color: var(--qtt7-pri);
    color: #fff;
}

.qtt7-logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: #fff;
}

.qtt7-nav {
    display: flex;
    overflow-x: auto;
    padding: 0.5rem 1rem;
    gap: 0.5rem;
    scrollbar-width: none;
}

.qtt7-nav-link {
    padding: 0.5rem 1rem;
    white-space: nowrap;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--qtt7-text-mut);
    border-radius: var(--qtt7-rad-sm);
    transition: all 0.2s;
}

.qtt7-nav-link:hover, .qtt7-nav-link:focus {
    background-color: rgba(71, 145, 157, 0.1);
    color: var(--qtt7-acc);
}

@media(min-width: 900px) {
    .qtt7-layout {
        flex-direction: row;
    }
    .qtt7-sidebar {
        width: 260px;
        flex-shrink: 0;
        border-bottom: none;
        border-right: 1px solid var(--qtt7-border);
    }
    .qtt7-nav {
        flex-direction: column;
        padding: 1rem;
    }
    .qtt7-nav-link {
        white-space: normal;
    }
}

/* Ticker */
.qtt7-top-bar {
    background-color: var(--qtt7-panel);
    padding: 0.5rem 1rem;
    border-bottom: 1px solid var(--qtt7-border);
}

.qtt7-ticker-wrap {
    display: flex;
    overflow: hidden;
    background-color: var(--qtt7-pri);
    color: #fff;
    border-radius: var(--qtt7-rad-sm);
    padding: 0.5rem;
}

.qtt7-ticker-track {
    display: flex;
    white-space: nowrap;
    animation: qtt7-marquee 25s linear infinite;
}

.qtt7-ticker-item {
    padding: 0 1.5rem;
    font-size: 13px;
    font-weight: 600;
    position: relative;
}

.qtt7-ticker-item::after {
    content: '•';
    position: absolute;
    right: -4px;
    color: var(--qtt7-acc);
}

@keyframes qtt7-marquee {
    0% { transform: translateX(100%); }
    100% { transform: translateX(-100%); }
}

/* Containers & Panels */
.qtt7-container {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.qtt7-panel {
    background-color: var(--qtt7-panel);
    border-radius: var(--qtt7-rad);
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    border: 1px solid var(--qtt7-border);
}

.qtt7-glass {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: 0 4px 15px rgba(0,0,0,0.04);
}

/* Hero */
.qtt7-hero {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #f4f4f6 100%);
    border-left: 4px solid var(--qtt7-pri);
}

.qtt7-hero-desc {
    color: var(--qtt7-text-mut);
    font-size: 1.05rem;
}

.qtt7-hero-img-wrap img {
    width: 100%;
    height: auto;
    border-radius: var(--qtt7-rad-sm);
    object-fit: cover;
    max-height: 350px;
}

@media(min-width: 768px) {
    .qtt7-hero {
        flex-direction: row;
        align-items: center;
    }
    .qtt7-hero-content {
        flex: 1;
    }
    .qtt7-hero-img-wrap {
        flex: 1;
    }
}

/* Stats Grid */
.qtt7-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

@media(min-width: 768px) {
    .qtt7-stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.qtt7-stat-card {
    padding: 1.25rem;
    border-radius: var(--qtt7-rad);
    text-align: center;
    border-bottom: 3px solid var(--qtt7-acc);
}

.qtt7-stat-label {
    font-size: 12px;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--qtt7-text-mut);
    margin-bottom: 0.25rem;
    letter-spacing: 0.5px;
}

.qtt7-stat-val {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--qtt7-pri);
    font-family: 'Poppins', sans-serif;
}

/* Cards Panel */
.qtt7-panel-head {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

@media(min-width: 768px) {
    .qtt7-panel-head {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.qtt7-filter-wrap {
    display: flex;
    gap: 0.5rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: none;
}

.qtt7-filter-chip {
    padding: 0.4rem 1rem;
    background-color: transparent;
    border: 1px solid var(--qtt7-acc);
    color: var(--qtt7-acc);
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}

.qtt7-filter-chip:hover, .qtt7-filter-chip.qtt7-active {
    background-color: var(--qtt7-acc);
    color: #fff;
}

.qtt7-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 1rem;
}

@media(min-width: 768px) {
    .qtt7-cards-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    }
}

.qtt7-card {
    display: flex;
    flex-direction: column;
    border-radius: var(--qtt7-rad-sm);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    background-color: #fff;
}

.qtt7-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.1);
}

.qtt7-card-img-wrap {
    position: relative;
    padding-top: 75%;
    background-color: var(--qtt7-bg);
}

.qtt7-card-img-wrap img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.qtt7-card-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    background-color: var(--qtt7-pri);
    color: #fff;
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 12px;
    font-weight: 600;
}

.qtt7-card-body {
    padding: 0.75rem;
}

.qtt7-card-title {
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    color: var(--qtt7-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.qtt7-card-sub {
    font-size: 12px;
    color: var(--qtt7-text-mut);
}

/* Benefits & Steps */
.qtt7-benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media(min-width: 768px) {
    .qtt7-benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.qtt7-benefit-card {
    padding: 1.5rem;
    border-radius: var(--qtt7-rad);
    border-top: 3px solid var(--qtt7-pri);
}

.qtt7-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

@media(min-width: 768px) {
    .qtt7-steps {
        flex-direction: row;
    }
}

.qtt7-step {
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: var(--qtt7-bg);
    padding: 1rem;
    border-radius: var(--qtt7-rad-sm);
    flex: 1;
}

.qtt7-step-num {
    background-color: var(--qtt7-acc);
    color: #fff;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 700;
    flex-shrink: 0;
}

.qtt7-step-text {
    font-weight: 600;
    font-size: 0.95rem;
}

/* Badges Wrap */
.qtt7-badges-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.qtt7-badge-chip {
    padding: 0.4rem 1rem;
    background-color: rgba(111, 42, 22, 0.1);
    color: var(--qtt7-pri);
    border-radius: 6px;
    font-size: 13px;
    font-weight: 700;
}

/* Article Formatting */
.qtt7-article {
    font-size: 15px;
}

@media(min-width: 768px) {
    .qtt7-article {
        font-size: 16px;
    }
}

.qtt7-article h2, .qtt7-article h3, .qtt7-article h4 {
    color: var(--qtt7-pri);
    margin-top: 1.5em;
    margin-bottom: 0.75em;
    font-family: 'Poppins', sans-serif;
}

.qtt7-article p {
    margin-bottom: 1em;
}

.qtt7-article ul, .qtt7-article ol {
    margin-bottom: 1em;
    padding-left: 1.5em;
}

.qtt7-article li {
    margin-bottom: 0.5em;
}

.qtt7-article table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5em;
    font-size: 0.9rem;
}

.qtt7-article th, .qtt7-article td {
    border: 1px solid var(--qtt7-border);
    padding: 0.75rem;
    text-align: left;
}

.qtt7-article th {
    background-color: var(--qtt7-acc);
    color: #fff;
}

.qtt7-article blockquote {
    border-left: 4px solid var(--qtt7-pri);
    padding-left: 1em;
    margin: 1.5em 0;
    font-style: italic;
    color: var(--qtt7-text-mut);
    background-color: rgba(111, 42, 22, 0.05);
    padding: 1rem;
    border-radius: 0 8px 8px 0;
}

.qtt7-article img {
    max-width: 100%;
    height: auto;
    border-radius: var(--qtt7-rad-sm);
    margin: 1em 0;
}

/* FAQ, Crumbs, Pager, Related */
.qtt7-crumbs-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    font-size: 13px;
    color: var(--qtt7-text-mut);
}

.qtt7-crumb {
    font-weight: 600;
}

.qtt7-crumb:not(:last-child)::after {
    content: '/';
    margin-left: 0.5rem;
    color: var(--qtt7-border);
}

.qtt7-meta {
    font-size: 14px;
    color: var(--qtt7-text-mut);
}

.qtt7-faq-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.qtt7-faq-item {
    background-color: var(--qtt7-bg);
    border-radius: var(--qtt7-rad-sm);
    border: 1px solid var(--qtt7-border);
    overflow: hidden;
}

.qtt7-faq-q {
    padding: 1rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--qtt7-pri);
    list-style: none;
    position: relative;
}

.qtt7-faq-q::-webkit-details-marker {
    display: none;
}

.qtt7-faq-q::after {
    content: '+';
    position: absolute;
    right: 1rem;
    font-weight: 700;
    color: var(--qtt7-acc);
}

.qtt7-faq-item[open] .qtt7-faq-q::after {
    content: '-';
}

.qtt7-faq-a {
    padding: 0 1rem 1rem;
    font-size: 0.95rem;
    color: var(--qtt7-text-mut);
}

.qtt7-related {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.qtt7-pager {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.qtt7-pager-btn {
    padding: 0.75rem 1.5rem;
    background-color: var(--qtt7-panel);
    border: 1px solid var(--qtt7-border);
    border-radius: var(--qtt7-rad-sm);
    font-weight: 600;
    font-size: 14px;
    color: var(--qtt7-acc);
    text-align: center;
    flex: 1;
    transition: background-color 0.2s;
}

.qtt7-pager-btn:hover {
    background-color: var(--qtt7-acc);
    color: #fff;
}

/* Footer */
.qtt7-footer {
    background-color: var(--qtt7-panel);
    border-top: 1px solid var(--qtt7-border);
    padding: 2rem 1rem;
    text-align: center;
    margin-top: auto;
}

.qtt7-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 14px;
    font-weight: 600;
}

.qtt7-footer-legal {
    font-size: 12px;
    color: var(--qtt7-text-mut);
    margin-bottom: 1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.qtt7-footer-copy {
    font-size: 13px;
    font-weight: 700;
    color: var(--qtt7-pri);
}

/* Animations */
.qtt7-anim {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.qtt7-anim.qtt7-show {
    opacity: 1;
    transform: translateY(0);
}

@keyframes qtt7-pulse {
    0% { opacity: 1; }
    50% { opacity: 0.7; }
    100% { opacity: 1; }
}

.qtt7-pulse {
    animation: qtt7-pulse 3s infinite;
}

/* v2fix-center: 扫查发现内容列未居中（margin 冲突/缺失）*/
div.qtt7-container,
div.qtt7-container.qtt7-page-container,
footer.qtt7-footer
{margin-inline:auto !important;}