:root {
    /* Brand */
    --color-primary: #2f76ff;
    --color-primary-dark: #1a3f8f;
    --color-primary-darker: #101a36;
    --color-accent: #ffce54;
    --color-accent-dark: #d99c1c;
    --color-success: #24bd73;
    --color-danger: #f04764;

    /* Neutral */
    --color-text: #26364f;
    --color-text-muted: #5e708e;
    --color-text-light: #8294b0;
    --color-bg: #eef3f9;
    --color-bg-soft: #e4ebf6;
    --color-bg-muted: #d8e1ef;
    --color-border: #b6c6dc;
    --color-border-soft: #dbe3f0;

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #0b1530 0%, #132852 36%, #1d44a8 72%, #3378f4 100%);
    --gradient-deep: linear-gradient(160deg, #080f22 0%, #101c3a 45%, #1c3a78 100%);
    --gradient-dept: linear-gradient(135deg, #0e1a35 0%, #1c2d62 42%, #34499e 100%);
    --gradient-security: linear-gradient(140deg, #070d1e 0%, #0f1b3c 55%, #1b2c58 100%);
    --gradient-mission: linear-gradient(150deg, #0f1a38 0%, #1a3164 62%, #2a4d96 100%);
    --gradient-trust: linear-gradient(135deg, #0b142a 0%, #16264d 58%, #0e1c3e 100%);
    --gradient-cta: linear-gradient(135deg, #15358a 0%, #2b5ad0 48%, #4790ff 100%);
    --gradient-accent: linear-gradient(135deg, #ffe08c 0%, #ffc233 48%, #e59b17 100%);
    --gradient-icon: linear-gradient(135deg, #4d8bff 0%, #1a3f8f 100%);

    /* Glass */
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-blur: blur(16px);

    /* Shadows */
    --shadow-sm: 0 2px 6px -2px rgba(6, 12, 30, 0.1), 0 8px 16px -6px rgba(6, 12, 30, 0.08);
    --shadow-md: 0 6px 14px -8px rgba(10, 18, 52, 0.18), 0 16px 32px -12px rgba(10, 18, 52, 0.12);
    --shadow-lg: 0 12px 22px -10px rgba(10, 18, 52, 0.16), 0 24px 48px -12px rgba(10, 18, 52, 0.16);
    --shadow-xl: 0 18px 30px -12px rgba(10, 18, 52, 0.22), 0 30px 64px -12px rgba(10, 18, 52, 0.2);
    --shadow-primary: 0 8px 18px -12px rgba(47, 118, 255, 0.65), 0 20px 40px -16px rgba(47, 118, 255, 0.38);
    --shadow-accent: 0 6px 14px -10px rgba(224, 154, 24, 0.55), 0 16px 32px -12px rgba(224, 154, 24, 0.35);

    /* Radius */
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 22px;
    --radius-pill: 999px;

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

    /* Transitions */
    --transition-fast: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
    --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base */
:where(body) {
    color: var(--color-text);
    background:
        radial-gradient(circle at 12% 8%, rgba(80, 135, 255, 0.08), transparent 28%),
        radial-gradient(circle at 88% 90%, rgba(128, 165, 255, 0.06), transparent 24%),
        linear-gradient(180deg, #f7faff 0%, #e8eef7 100%);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

/* Utilities */
.bg-glass {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.04));
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border: 1px solid rgba(255, 255, 255, 0.22);
}

.icon-circle {
    width: 60px;
    height: 60px;
    background: var(--gradient-icon);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    flex-shrink: 0;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 12px 24px -12px rgba(47, 118, 255, 0.55);
}

/* Header */
.header {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(240, 247, 255, 0.86));
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    z-index: 1030;
}

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

.header .navbar-brand:hover img {
    transform: scale(1.05);
    filter: drop-shadow(0 10px 20px rgba(47, 118, 255, 0.2));
}

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

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

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

.hero-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.12), transparent 24%),
        radial-gradient(circle at 80% 70%, rgba(255, 206, 84, 0.1), transparent 18%),
        linear-gradient(120deg, rgba(2, 8, 30, 0.24) 0%, rgba(25, 56, 128, 0.08) 45%, rgba(2, 10, 32, 0.22) 100%);
    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 20px 40px rgba(2, 8, 40, 0.3);
}

.hero-section h2 {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    opacity: 0.9;
    margin-bottom: var(--space-md);
    font-weight: 500;
}

.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 */
.notice-bar {
    animation: noticeSlideIn 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.notice-bar a:hover {
    opacity: 0.85;
}

@keyframes noticeSlideIn {
    from { transform: translateY(-100%); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
}

/* Breadcrumb */
.breadcrumb-nav {
    background: linear-gradient(180deg, #e9f1fc 0%, #d6e2f4 100%);
}

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

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

/* Why Us */
.why-us-section {
    background: linear-gradient(180deg, #f2f7fd 0%, #e3ebf7 100%);
}

.whyus-card {
    border: 1px solid transparent;
    background:
        linear-gradient(150deg, #ffffff, #f2f8ff) padding-box,
        linear-gradient(150deg, #dce5f2, #8fb4ef 28%, #ffffff 80%, #b8cff5) border-box;
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), 0 12px 24px -18px rgba(11, 22, 56, 0.25);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    height: 100%;
}

.whyus-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-primary), 0 0 0 1px rgba(47, 118, 255, 0.1);
}

/* About */
.about-section {
    background: var(--gradient-deep);
    color: #fff;
}

.about-img-wrap {
    overflow: hidden;
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 70px -30px rgba(0, 0, 0, 0.7);
}

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

.about-img-wrap:hover img {
    transform: scale(1.05);
}

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

.about-card:hover {
    transform: translateY(-3px);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.06));
}

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

/* Departments */
.departments-section {
    background: var(--gradient-dept);
    color: #fff;
}

.departments-title {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    margin-bottom: var(--space-sm);
    text-shadow: 0 18px 40px rgba(0, 5, 30, 0.35);
}

.departments-subtitle {
    font-size: 1.05rem;
    max-width: 800px;
    margin-inline: auto;
    color: rgba(226, 235, 255, 0.88);
}

.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(135deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.04));
    backdrop-filter: blur(18px) saturate(150%);
    -webkit-backdrop-filter: blur(18px) saturate(150%);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 16px 30px -22px rgba(0, 0, 0, 0.5);
    margin-bottom: var(--space-sm);
}

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

.d-num span {
    color: #fff;
    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 18px 30px -20px rgba(0, 0, 0, 0.4);
}

/* Security Network */
.security-section {
    background: var(--gradient-security);
    color: #fff;
}

.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: var(--color-primary-darker);
    font-weight: 700;
    box-shadow: 0 0 0 6px rgba(255, 206, 84, 0.12), 0 0 36px rgba(255, 206, 84, 0.5), 0 24px 40px -16px rgba(0, 0, 0, 0.6);
}

.node {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(16px) saturate(140%);
    -webkit-backdrop-filter: blur(16px) saturate(140%);
    border-radius: var(--radius-md);
    padding: var(--space-sm);
    text-align: center;
    color: #fff;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 16px 26px -20px rgba(0, 0, 0, 0.5);
    transition: transform var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
}

.node:hover {
    transform: scale(1.05);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0.07));
    box-shadow: 0 18px 30px -22px rgba(0, 0, 0, 0.7), 0 0 0 1px rgba(255, 255, 255, 0.15);
}

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

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

/* Honor */
.honor-section {
    background: linear-gradient(180deg, #f3f7fc 0%, #e0e9f5 100%);
}

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

.honor-text-card {
    padding: var(--space-md);
    background: linear-gradient(150deg, #ffffff 0%, #eff6ff 100%);
    border-radius: var(--radius-md);
    border-inline-start: 4px solid var(--color-primary);
    box-shadow: 0 10px 20px -18px rgba(16, 26, 54, 0.4);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.honor-text-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(47, 118, 255, 0.08);
}

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

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

.mission-list li:hover {
    color: #ffffff;
}

/* Stats */
.stats-section {
    background: linear-gradient(180deg, #ffffff 0%, #edf4fb 100%);
}

.stats-card {
    transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base);
    background: linear-gradient(145deg, #f9fcff, #eaf1fa);
    border-radius: var(--radius-md);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8), 0 12px 22px -18px rgba(15, 30, 70, 0.3);
}

.stats-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(47, 118, 255, 0.08);
    background: linear-gradient(145deg, #ffffff 0%, #dbeaff 100%);
}

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

/* News */
.news-section {
    background: linear-gradient(180deg, #e6eef8 0%, #f5f9fe 100%);
}

.news-card {
    background: linear-gradient(150deg, #ffffff, #f2f7fe);
    border: 1px solid transparent;
    background:
        linear-gradient(150deg, #ffffff, #f1f7fe) padding-box,
        linear-gradient(150deg, #e0e7f3, #b9d2fa 90%) border-box;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 12px 24px -18px rgba(16, 32, 80, 0.2);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.news-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg), 0 0 0 1px rgba(47, 118, 255, 0.1);
}

.news-img-wrap {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.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(115%);
}

/* Matches */
.matches-section {
    background: linear-gradient(180deg, #edf3fb, #f8fbff 100%);
}

.match-card {
    background: linear-gradient(150deg, #ffffff, #f2f7ff);
    border: 1px solid transparent;
    background:
        linear-gradient(150deg, #ffffff, #f2f7ff) padding-box,
        linear-gradient(150deg, #dce6f5, #a9c7f8 100%) border-box;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 20px -18px rgba(16, 32, 80, 0.2);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
}

.match-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md), 0 0 0 1px rgba(47, 118, 255, 0.12);
    border-color: var(--color-primary);
}

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

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

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

/* Trust */
.trust-section {
    background: var(--gradient-trust);
    color: #fff;
}

.trust-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.05));
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    padding: var(--space-lg) var(--space-sm);
    height: 100%;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 18px 32px -24px rgba(0, 0, 0, 0.6);
    transition: transform var(--transition-base), background var(--transition-base), box-shadow var(--transition-base);
}

.trust-card:hover {
    transform: translateY(-3px);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.24), rgba(255, 255, 255, 0.08));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 26px 40px -28px rgba(0, 0, 0, 0.7);
}

/* Partners */
.partners-section {
    background: linear-gradient(180deg, #e8eff9 0%, #f9fcff 100%);
}

.partner-card {
    transition: transform var(--transition-base), box-shadow var(--transition-base), filter var(--transition-base);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.55);
    box-shadow: 0 8px 18px -18px rgba(16, 32, 80, 0.2);
}

.partner-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-primary), 0 0 0 1px rgba(47, 118, 255, 0.1);
    filter: saturate(120%);
}

/* Testimonials */
.testimonials-section {
    background: linear-gradient(180deg, #ffffff 0%, #eef5fd 100%);
}

.testimonial-card {
    background: linear-gradient(150deg, #ffffff, #edf5ff);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.8);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), 0 12px 24px -20px rgba(16, 32, 80, 0.25);
    transition: transform var(--transition-base), box-shadow var(--transition-base), border-block-start-color 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), 0 0 0 1px rgba(255, 206, 84, 0.12);
}

/* CTA Banner */
.cta-banner-section {
    background: var(--gradient-cta);
    color: #fff;
    position: relative;
    overflow: hidden;
}

.cta-banner-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 15% 10%, rgba(255, 255, 255, 0.12), transparent 22%),
        radial-gradient(circle at 90% 90%, rgba(47, 118, 255, 0.14), transparent 26%),
        linear-gradient(120deg, rgba(2, 10, 40, 0.2), rgba(0, 0, 0, 0.08) 60%, rgba(0, 0, 0, 0.1) 100%);
    z-index: 0;
}

.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, 255, 255, 0.88) !important;
}

/* Footer */
.footer {
    font-size: 0.9rem;
    color: #b7c9e2;
}

.footer a {
    transition: color 0.5s cubic-bezier(0.22, 1, 0.36, 1), text-shadow 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.footer a:hover {
    color: #38bdf8 !important;
    text-shadow: 0 0 18px rgba(56, 189, 248, 0.35);
}

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

/* Beian */
.footer-beian {
    font-size: 0.8rem;
    line-height: 1.8;
    opacity: 0.9;
}

.footer-beian a:hover {
    color: #38bdf8 !important;
    text-decoration: underline !important;
    text-decoration-color: #60a5fa;
}

.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(1.25);
    filter: drop-shadow(0 3px 8px rgba(56, 189, 248, 0.5));
}

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

@media (max-width: 575.98px) {
    .footer-beian ul {
        flex-direction: column;
        gap: 0.5rem !important;
    }

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

/* ============================================
   22. Form (Login/Signup/Contact)
   ============================================ */
.form-control:focus,
.form-select:focus {
    border-color: #60a5fa;
    box-shadow: 0 0 0 0.24rem rgba(59, 130, 246, 0.14), 0 12px 28px -14px rgba(29, 78, 216, 0.45);
}

.btn-primary {
    background-color: #3b82f6;
    background-image: linear-gradient(135deg, #60a5fa 0%, #3b82f6 45%, #2563eb 100%);
    border-color: #2563eb;
    box-shadow: 0 12px 28px -12px rgba(37, 99, 235, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.2);
    filter: saturate(1);
    transition: background-color 0.5s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.5s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.5s cubic-bezier(0.22, 1, 0.36, 1), filter 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #1d4ed8;
    background-image: linear-gradient(135deg, #3b82f6 0%, #2563eb 55%, #1d4ed8 100%);
    border-color: #1e40af;
    box-shadow: 0 18px 36px -14px rgba(29, 78, 216, 0.75), inset 0 1px 0 rgba(255, 255, 255, 0.14);
    filter: saturate(1.25) brightness(1.04);
}

.input-group-text {
    background-image: linear-gradient(145deg, #f8fafc 0%, #e2e8f0 100%);
    background-color: #eef2f7;
    border-color: #cbd5e1;
    color: #475569;
}

/* ============================================
   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: 1.25rem;
}

/* 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: 1.25rem;
}

/* 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: 1.25rem;
    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: 1.75rem;
    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: 1.25rem;
}

/* 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: 1.25rem;
}

/* 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: 0.875rem;
}

/* 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: 1.25rem;
    justify-items: center;
}

/* 荣誉列表 (默认 2 列交替) */
.honor-list {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}
.honor-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.75rem;
    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%; }
}