:root {
    --color-primary: #df1c96;
    --color-primary-dark: #ab0e75;
    --color-primary-darker: #56073f;
    --color-accent: #14c6ca;
    --color-accent-dark: #0c8a94;
    --color-success: #3ecf91;
    --color-danger: #ff4f6e;

    --color-text: #3a2b40;
    --color-text-muted: #6c6077;
    --color-text-light: #a493af;
    --color-bg: #fdfbff;
    --color-bg-soft: #f7eef8;
    --color-bg-muted: #efe3f4;
    --color-border: #dfd2e7;
    --color-border-soft: #efe7f3;

    --gradient-hero: linear-gradient(132deg, #320f40 0%, #61145f 38%, #a41874 72%, #d51f5a 100%);
    --gradient-deep: linear-gradient(160deg, #12081a 0%, #280d35 58%, #421449 100%);
    --gradient-dept: linear-gradient(135deg, #08242b 0%, #0c4b55 52%, #0e7d87 100%);
    --gradient-security: linear-gradient(145deg, #2c0820 0%, #4c0f38 52%, #741c57 100%);
    --gradient-mission: linear-gradient(135deg, #1d102e 0%, #3a1764 55%, #5b2994 100%);
    --gradient-trust: linear-gradient(145deg, #0a0713 0%, #1c102e 58%, #321e4d 100%);
    --gradient-cta: linear-gradient(125deg, #3b052f 0%, #8e0e56 46%, #d21b61 78%, #ff4b7b 100%);
    --gradient-accent: linear-gradient(135deg, #0a9aa8 0%, #13c4c2 80%, #45e0c8 100%);
    --gradient-icon: linear-gradient(135deg, #e6289f 0%, #8f1685 55%, #4c1366 100%);

    --glass-bg: rgba(255, 244, 253, 0.09);
    --glass-border: rgba(255, 255, 255, 0.22);
    --glass-blur: blur(14px) saturate(130%);

    --shadow-sm: 0 5px 16px rgba(65, 14, 81, 0.08), 0 2px 5px rgba(65, 14, 81, 0.06);
    --shadow-md: 0 16px 34px rgba(56, 10, 70, 0.14), 0 5px 12px rgba(56, 10, 70, 0.09);
    --shadow-lg: 0 24px 52px rgba(46, 6, 58, 0.18), 0 8px 18px rgba(46, 6, 58, 0.12);
    --shadow-xl: 0 32px 72px rgba(38, 3, 52, 0.22), 0 12px 26px rgba(38, 3, 52, 0.13);
    --shadow-primary: 0 18px 44px rgba(223, 28, 150, 0.25), 0 6px 18px rgba(223, 28, 150, 0.18);
    --shadow-accent: 0 18px 44px rgba(20, 198, 202, 0.27), 0 6px 18px rgba(20, 198, 202, 0.19);

    --radius-sm: 10px;
    --radius-md: 20px;
    --radius-lg: 30px;
    --radius-pill: 50px;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 5rem;

    --transition-fast: 0.2s cubic-bezier(0.22, 1, 0.36, 1);
    --transition-base: 0.48s cubic-bezier(0.22, 1, 0.36, 1);
    --transition-slow: 0.62s cubic-bezier(0.22, 1, 0.36, 1);
}

:where(body) {
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

:where(img) {
    max-width: 100%;
    height: auto;
}

.bg-glass {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(255, 235, 250, 0.02));
    backdrop-filter: blur(16px) saturate(150%);
    -webkit-backdrop-filter: blur(16px) saturate(150%);
    border: 1px solid rgba(255, 255, 255, 0.25);
}

.icon-circle {
    width: 60px;
    height: 60px;
    background: var(--gradient-icon);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff8fc;
    font-size: 1.5rem;
    flex-shrink: 0;
    box-shadow: 0 10px 28px rgba(100, 10, 92, 0.28), 0 3px 10px rgba(223, 28, 150, 0.22);
}

.header {
    background: linear-gradient(180deg, #ffffff 0%, #ffeaf6 100%);
    z-index: 1030;
}

.header .navbar-brand img {
    transition: transform var(--transition-fast), filter var(--transition-fast);
}

.header .navbar-brand:hover img {
    transform: scale(1.06);
    filter: drop-shadow(0 6px 14px rgba(223, 28, 150, 0.25));
}

.header .nav-link {
    font-weight: 500;
    color: var(--color-text);
    transition: color var(--transition-fast);
}

.header .nav-link:hover {
    color: var(--color-primary);
}

.hero-section {
    min-height: 480px;
    background: var(--gradient-hero);
    color: #fff9fc;
    padding-block: var(--space-2xl);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 18% 28%, rgba(255, 255, 255, 0.09), transparent 26%), radial-gradient(circle at 88% 72%, rgba(255, 61, 133, 0.2), transparent 42%), linear-gradient(135deg, rgba(14, 1, 22, 0.32), rgba(61, 2, 52, 0.08) 55%, rgba(0, 0, 0, 0.34));
    z-index: 0;
    pointer-events: none;
}

.hero-section > .container {
    position: relative;
    z-index: 1;
}

.hero-section h1 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    line-height: 1.2;
    text-shadow: 0 3px 30px rgba(42, 1, 45, 0.35), 0 1px 4px rgba(20, 0, 24, 0.28);
}

.hero-section h2 {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    opacity: 0.9;
    margin-bottom: var(--space-md);
    font-weight: 500;
    text-shadow: 0 1px 18px rgba(41, 1, 32, 0.3);
}

.hero-section .lead {
    font-size: 1.1rem;
    max-width: 700px;
    margin-inline: auto;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-block-start: var(--space-md);
}

.notice-bar {
    animation: noticeSlideIn 0.62s cubic-bezier(0.22, 1, 0.36, 1);
}

.notice-bar a {
    transition: opacity var(--transition-fast), color var(--transition-fast);
}

.notice-bar a:hover {
    opacity: 0.85;
    color: var(--color-primary);
}

@keyframes noticeSlideIn {
    from { transform: translateY(-110%); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
}

.breadcrumb-nav {
    background: linear-gradient(135deg, #f6ecfa 0%, #ece0f3 55%, #fbf4fe 100%);
    border-block-end: 1px solid rgba(216, 190, 229, 0.5);
}

.breadcrumb-nav .breadcrumb-item a {
    transition: color var(--transition-fast);
}

.breadcrumb-nav .breadcrumb-item a:hover {
    color: var(--color-primary) !important;
}

.why-us-section {
    background: radial-gradient(circle at 8% 12%, rgba(223, 28, 150, 0.06) 0 90px, transparent 91px), radial-gradient(circle at 94% 86%, rgba(20, 198, 202, 0.09) 0 150px, transparent 151px), linear-gradient(160deg, #f6ebfa 0%, #fdf7ff 50%, #f0e4f7 100%);
}

.whyus-card {
    background: linear-gradient(155deg, #ffffff 0%, #ffebf7 100%);
    border: 1px solid var(--color-border-soft);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    transition: all var(--transition-base);
    height: 100%;
    box-shadow: 0 8px 24px rgba(74, 15, 90, 0.06), 0 2px 6px rgba(74, 15, 90, 0.04);
}

.whyus-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-primary), 0 0 0 1px rgba(223, 28, 150, 0.1);
    border-color: rgba(223, 28, 150, 0.3);
}

.about-section {
    background: var(--gradient-deep);
    color: #fff9fc;
}

.about-img-wrap {
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 56px rgba(10, 0, 18, 0.36), 0 8px 20px rgba(10, 0, 18, 0.26);
}

.about-img-wrap img {
    transition: transform var(--transition-slow), filter var(--transition-slow);
}

.about-img-wrap:hover img {
    transform: scale(1.06);
    filter: saturate(1.08) contrast(1.06);
}

.about-card {
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.about-card:hover {
    transform: translateY(-3px);
    background: linear-gradient(135deg, rgba(255, 223, 240, 0.16), rgba(255, 255, 255, 0.03));
}

.text-white-75 {
    color: rgba(255, 241, 250, 0.78) !important;
}

.departments-section {
    background: var(--gradient-dept);
    color: #fffafb;
}

.departments-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    text-shadow: 0 2px 30px rgba(0, 28, 34, 0.4);
}

.departments-subtitle {
    font-size: 1.05rem;
    max-width: 800px;
    margin-inline: auto;
    color: rgba(228, 252, 250, 0.9);
}

.departments-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-lg);
    margin-block-start: var(--space-lg);
}

@media (min-width: 768px) {
    .departments-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.d-item {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.02));
    backdrop-filter: blur(14px) saturate(135%);
    -webkit-backdrop-filter: blur(14px) saturate(135%);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    border: 1px solid rgba(255, 255, 255, 0.16);
    box-shadow: 0 12px 30px rgba(0, 19, 22, 0.16);
}

.d-num {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.d-num span {
    color: #f3ffff;
    font-size: 1.1rem;
    margin-inline-start: var(--space-xs);
}

.d-image {
    margin-bottom: var(--space-sm);
}

.d-image img {
    width: 100%;
    border-radius: var(--radius-md);
    box-shadow: 0 12px 28px rgba(0, 21, 26, 0.28);
}

.security-section {
    background: var(--gradient-security);
    color: #fff9fc;
}

.security-network {
    position: relative;
    max-width: 800px;
    margin: var(--space-xl) auto;
    min-height: 400px;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .security-network {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(3, auto);
    }

    .core-node        { grid-column: 2; grid-row: 2; }
    .node-top-left    { grid-column: 1; grid-row: 1; }
    .node-top-right   { grid-column: 3; grid-row: 1; }
    .node-bottom-left { grid-column: 1; grid-row: 3; }
    .node-bottom-right{ grid-column: 3; grid-row: 3; }
}

.core-node {
    background: var(--gradient-accent);
    border-radius: 50%;
    width: 140px;
    height: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-inline: auto;
    color: #07363e;
    font-weight: 700;
    box-shadow: 0 0 40px rgba(20, 198, 202, 0.42), 0 0 90px rgba(20, 198, 202, 0.22), inset 0 -8px 22px rgba(0, 70, 82, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.node {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.02));
    backdrop-filter: blur(14px) saturate(135%);
    -webkit-backdrop-filter: blur(14px) saturate(135%);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    text-align: center;
    color: #fff8fc;
    border: 1px solid rgba(255, 255, 255, 0.14);
    transition: all var(--transition-base);
    box-shadow: 0 10px 26px rgba(24, 0, 20, 0.16);
}

.node:hover {
    transform: scale(1.05);
    background: linear-gradient(145deg, rgba(255, 220, 243, 0.19), rgba(255, 255, 255, 0.04));
    border-color: rgba(255, 193, 226, 0.35);
}

.node-title {
    font-weight: 600;
    color: #ffd7ef;
    margin-block: var(--space-xs);
}

@media (max-width: 767.98px) {
    .core-node { width: 120px; height: 120px; }
}

.honor-section {
    background: radial-gradient(circle at 92% 16%, rgba(223, 28, 150, 0.05) 0 110px, transparent 111px), linear-gradient(165deg, #f2e5f7 0%, #fbf2fd 55%, #efe2f5 100%);
}

.honor-row {
    padding-block: var(--space-sm);
}

.honor-text-card {
    padding: var(--space-md);
    background: linear-gradient(150deg, #ffffff 0%, #fdeff5 100%);
    border-radius: var(--radius-md);
    border-inline-start: 4px solid var(--color-primary);
    transition: all var(--transition-base);
    box-shadow: 0 10px 28px rgba(65, 10, 72, 0.07), 0 3px 8px rgba(65, 10, 72, 0.05);
}

.honor-text-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(223, 28, 150, 0.08);
    border-inline-start-color: var(--color-primary-dark);
}

.mission-section {
    background: var(--gradient-mission);
    padding-block: var(--space-2xl);
    color: #fff8fc;
}

.mission-list li {
    margin-bottom: var(--space-sm);
    color: #e6d9f5;
}

.stats-section {
    background: radial-gradient(circle at 20% 0%, rgba(223, 28, 150, 0.04) 0 120px, transparent 121px), linear-gradient(180deg, #ffffff 0%, #f8f2fc 100%);
}

.stats-card {
    transition: all var(--transition-base);
    background: linear-gradient(155deg, #f9f0fb 0%, #eadef2 100%);
    border-radius: var(--radius-md);
    box-shadow: 0 8px 22px rgba(57, 9, 72, 0.06);
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, #ffffff 0%, #ffe2f2 45%, #d7fbff 100%);
}

.stats-card h3 {
    font-variant-numeric: tabular-nums;
    color: var(--color-primary-darker);
}

.news-section {
    background: radial-gradient(circle at 6% 80%, rgba(20, 198, 202, 0.06) 0 150px, transparent 151px), linear-gradient(160deg, #eef0fb 0%, #f4edf6 55%, #f7eaf1 100%);
}

.news-card {
    transition: all var(--transition-base);
    border: 1px solid var(--color-border-soft);
    background: linear-gradient(155deg, #ffffff 0%, #faf4fa 100%);
    border-radius: var(--radius-lg);
    box-shadow: 0 10px 26px rgba(59, 15, 70, 0.07);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(223, 28, 150, 0.06);
    border-color: rgba(223, 28, 150, 0.2);
}

.news-img-wrap {
    height: 200px;
    overflow: hidden;
    position: relative;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.news-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow), filter var(--transition-slow);
}

.news-card:hover .news-img-wrap img {
    transform: scale(1.08);
    filter: saturate(1.12);
}

.matches-section {
    background: radial-gradient(circle at 90% 90%, rgba(223, 28, 150, 0.05) 0 160px, transparent 161px), linear-gradient(165deg, #f6e9f8 0%, #fdf6fb 50%, #eaeefb 100%);
}

.match-card {
    transition: all var(--transition-base);
    border: 1px solid var(--color-border-soft);
    background: linear-gradient(160deg, #ffffff 0%, #fff1f3 100%);
    border-radius: var(--radius-md);
}

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

.match-card .team {
    min-width: 0;
}

.match-card .team .small {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.5rem;
}

.match-card .score {
    font-variant-numeric: tabular-nums;
    color: var(--color-primary-darker);
}

.trust-section {
    background: var(--gradient-trust);
    color: #fff9fc;
}

.trust-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.02));
    backdrop-filter: blur(14px) saturate(135%);
    -webkit-backdrop-filter: blur(14px) saturate(135%);
    border-radius: var(--radius-md);
    padding: var(--space-lg) var(--space-sm);
    height: 100%;
    border: 1px solid rgba(255, 255, 255, 0.13);
    transition: all var(--transition-base);
    box-shadow: 0 14px 34px rgba(5, 0, 20, 0.2);
}

.trust-card:hover {
    transform: translateY(-3px);
    background: linear-gradient(145deg, rgba(255, 213, 239, 0.17), rgba(255, 255, 255, 0.03));
    border-color: rgba(255, 202, 230, 0.3);
}

.partners-section {
    background: radial-gradient(circle at 12% 10%, rgba(20, 198, 202, 0.05) 0 130px, transparent 131px), linear-gradient(165deg, #faf0fa 0%, #f1e6f5 100%);
}

.partner-card {
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-primary);
}

.testimonials-section {
    background: linear-gradient(180deg, #fdf6ff 0%, #f3e6f5 100%);
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    border-block-start: 4px solid transparent;
}

.testimonial-card:hover {
    border-block-start-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.cta-banner-section {
    background: var(--gradient-cta);
    color: #fff9fc;
    position: relative;
    overflow: hidden;
}

.cta-banner-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 85% 16%, rgba(255, 255, 255, 0.15), transparent 30%), radial-gradient(circle at 8% 90%, rgba(0, 0, 0, 0.28), transparent 42%), linear-gradient(115deg, rgba(30, 0, 24, 0.26), rgba(0, 0, 0, 0.12) 60%, rgba(0, 0, 0, 0.36));
    z-index: 0;
    pointer-events: none;
}

.cta-banner-section > .container {
    position: relative;
    z-index: 1;
}

.cta-banner-section .btn-warning {
    box-shadow: var(--shadow-accent);
}

.text-white-75 {
    color: rgba(255, 238, 248, 0.85) !important;
}

.footer {
    font-size: 0.9rem;
    color: #eadcf2;
    background: linear-gradient(180deg, #2a1438 0%, #12081a 100%);
    border-block-start: 1px solid rgba(255, 255, 255, 0.08);
}

.footer a {
    transition: color 0.45s cubic-bezier(0.22, 1, 0.36, 1);
}

.footer a:hover {
    color: #f0abfc !important;
    text-shadow: 0 1px 8px rgba(192, 132, 252, 0.45),
                 0 0 20px rgba(192, 132, 252, 0.35);
}

.footer-copyright {
    font-size: 0.85rem;
}

/* Beian */
.footer-beian {
    font-size: 0.8rem;
    line-height: 1.8;
    opacity: 0.8;
}

.footer-beian a:hover {
    color: #f0abfc !important;
    text-decoration: underline !important;
    text-shadow: 0 1px 8px rgba(192, 132, 252, 0.5),
                 0 0 18px rgba(192, 132, 252, 0.4);
}

.footer-beian img {
    margin-inline-end: 4px;
    transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1),
                filter 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.footer-beian a:hover img {
    transform: scale(1.2);
    filter: drop-shadow(0 6px 14px rgba(168, 85, 247, 0.4));
}

.footer-beian li {
    white-space: nowrap;
}

@media (max-width: 575.98px) {
    .footer-beian ul {
        flex-direction: column;
        gap: var(--space-xs) !important;
    }

    .footer-beian li {
        white-space: normal;
        text-align: center;
    }
}

/* ============================================
   22. Form (Login/Signup/Contact)
   ============================================ */
.form-control:focus,
.form-select:focus {
    border-color: #a855f7;
    box-shadow: 0 0 0 0.15rem rgba(168, 85, 247, 0.14),
                0 0 0 0.4rem rgba(192, 132, 252, 0.08),
                0 10px 30px -12px rgba(124, 58, 237, 0.35);
}

.btn-primary {
    background: linear-gradient(120deg, #7c3aed 0%, #a855f7 35%, #db2777 100%);
    border-color: #7c3aed;
    box-shadow: 0 10px 28px -12px rgba(124, 58, 237, 0.6),
                0 4px 14px -6px rgba(219, 39, 119, 0.35);
}

.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(120deg, #6d28d9 0%, #9333ea 35%, #be185d 100%);
    border-color: #6d28d9;
    box-shadow: 0 14px 34px -14px rgba(192, 38, 211, 0.65),
                0 6px 18px -6px rgba(219, 39, 119, 0.4);
}

.input-group-text {
    background: linear-gradient(180deg, #faf5ff 0%, #f3e8ff 100%);
    border-color: #d8b4fe;
    color: #7c3aed;
}

/* ============================================
   23. Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================================
   Grid Layout Defaults (CSS-Variant-Ready)
   CSSVariantEngine sẽ override các rules này
   ============================================================ */

/* 新闻网格 (默认 3 列) */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

/* 功能特性列表 (默认 3 列) */
.feature-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

/* 用户评价 (默认 3 列) */
.testimonial-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

/* 合作伙伴 (默认 4 列) */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    align-items: center;
}

/* 数据统计 (默认 4 列) */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.75rem;
    text-align: center;
}

/* FAQ 列表 (默认单列居中) */
.faq-list {
    max-width: 820px;
    margin: 0 auto;
}

/* Hero 内容 (默认居中) */
.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* Hero 分割布局 (左文右图) */
.hero-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.25rem;
    align-items: center;
}
.hero-split-text { }
.hero-split-img { text-align: center; }

/* CTA 内容 (默认居中) */
.cta-inner {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

/* 作者团队 (默认 4 列) */
.authors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.75rem;
}

/* 联系渠道 (默认 3 列) */
.channels-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

/* 文章列表 (默认 2 列) */
.post-list-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
}

/* 相关文章 (默认 3 列) */
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.875rem;
}

/* 赛事列表 (默认 3 列) */
.matches-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.125rem;
}

/* 步 骤网格 (默认 4 列) */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

/* 二维码网格 (默认 3 列) */
.qr-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
    justify-items: center;
}

/* 荣誉列表 (默认 2 列交替) */
.honor-list {
    display: flex;
    flex-direction: column;
    gap: 2.75rem;
}
.honor-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.25rem;
    align-items: center;
}
.honor-row-reverse {
    direction: rtl;
}
.honor-row-reverse > * {
    direction: ltr;
}

/* ============================================================
   Responsive Defaults
   ============================================================ */
@media (max-width: 1024px) {
    .news-grid,
    .feature-list,
    .channels-grid,
    .testimonial-list { grid-template-columns: repeat(2, 1fr); }

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

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

    .hero-split { grid-template-columns: 1fr; }
    .honor-row { grid-template-columns: 1fr; }
    .honor-row-reverse { direction: ltr; }
}

@media (max-width: 640px) {
    .news-grid,
    .feature-list,
    .testimonial-list,
    .channels-grid,
    .post-list-grid,
    .related-grid,
    .authors-grid,
    .matches-grid { grid-template-columns: 1fr; }

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

    .steps-grid { grid-template-columns: 1fr; }
    .qr-grid { grid-template-columns: 1fr; max-width: 300px; margin: 0 auto; }

    .faq-list { max-width: 100%; }
}