:root{
    --color-primary:#3b82f6;
    --color-primary-dark:#0b3a91;
    --color-primary-darker:#0f172a;
    --color-accent:#22c55e;
    --color-accent-dark:#16a34a;
    --color-success:#10b981;
    --color-danger:#ef4444;

    --color-text:#cbd5e1;
    --color-text-muted:#94a3b8;
    --color-text-light:#e2e8f0;
    --color-bg:#0b1220;
    --color-bg-soft:#111b2e;
    --color-bg-muted:#0f172a;
    --color-border:#243041;
    --color-border-soft:#2b3b56;

    --gradient-hero:linear-gradient(135deg,#0f172a 0%,#1e293b 35%,#3b82f6 100%);
    --gradient-deep:linear-gradient(135deg,#050a14 0%,#0f172a 45%,#1d4ed8 100%);
    --gradient-dept:linear-gradient(135deg,#1f2a44 0%,#0f172a 40%,#3b82f6 100%);
    --gradient-security:linear-gradient(135deg,#0f172a 0%,#08203a 55%,#020617 100%);
    --gradient-mission:linear-gradient(135deg,#0b1220 0%,#0f172a 40%,#22c55e 100%);
    --gradient-trust:linear-gradient(135deg,#020617 0%,#0b3a91 55%,#3b82f6 100%);
    --gradient-cta:linear-gradient(135deg,#3b82f6 0%,#1d4ed8 40%,#0b1220 100%);
    --gradient-accent:linear-gradient(135deg,#22c55e 0%,#16a34a 50%,#0b1220 100%);
    --gradient-icon:linear-gradient(135deg,#22c55e 0%,#3b82f6 100%);

    --glass-bg:rgba(17,27,46,0.72);
    --glass-border:rgba(148,163,184,0.22);
    --glass-blur:blur(6px);

    --shadow-sm:4px 4px 0 rgba(59,130,246,0.22), 0 8px 22px rgba(0,0,0,0.28);
    --shadow-md:4px 4px 0 rgba(34,197,94,0.18), 0 14px 30px rgba(0,0,0,0.34);
    --shadow-lg:4px 4px 0 rgba(59,130,246,0.24), 0 22px 50px rgba(0,0,0,0.38);
    --shadow-xl:4px 4px 0 rgba(59,130,246,0.28), 0 28px 70px rgba(0,0,0,0.44);
    --shadow-primary:4px 4px 0 rgba(59,130,246,0.28), 0 18px 36px rgba(0,0,0,0.36);
    --shadow-accent:4px 4px 0 rgba(34,197,94,0.25), 0 16px 32px rgba(0,0,0,0.34);

    --radius-sm:2px;
    --radius-md:3px;
    --radius-lg:4px;
    --radius-pill:18px;

    --space-xs:0.5rem;
    --space-sm:0.9rem;
    --space-md:1.1rem;
    --space-lg:1.4rem;
    --space-xl:2rem;
    --space-2xl:2.6rem;

    --transition-fast:0.15s cubic-bezier(.2,.9,.2,1);
    --transition-base:0.18s cubic-bezier(.2,.9,.2,1);
    --transition-slow:0.26s cubic-bezier(.2,.9,.2,1);
}

: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:rgba(17,27,46,0.68);
    backdrop-filter:var(--glass-blur);
    -webkit-backdrop-filter:var(--glass-blur);
    border:2px solid rgba(59,130,246,0.22);
}

.icon-circle{
    width:60px;
    height:60px;
    background:linear-gradient(135deg,rgba(34,197,94,1) 0%, rgba(59,130,246,1) 100%);
    border-radius:2px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    color:#eaf2ff;
    font-size:1.5rem;
    flex-shrink:0;
    box-shadow:4px 4px 0 rgba(59,130,246,0.35), 0 16px 34px rgba(0,0,0,0.35);
}

.header{
    background:#0b1220;
    z-index:1030;
    border-bottom:2px solid rgba(59,130,246,0.22);
}

.header .navbar-brand img{
    transition:transform var(--transition-fast), filter var(--transition-fast);
    filter:saturate(1.05) contrast(1.05);
}

.header .navbar-brand:hover img{
    transform:scale(1.05);
    filter:saturate(1.18) contrast(1.15);
}

.header .nav-link{
    font-weight:500;
    color:#cbd5e1;
    transition:color var(--transition-fast), text-shadow var(--transition-fast);
    text-shadow:0 0 0 rgba(0,0,0,0);
}

.header .nav-link:hover{
    color:var(--color-primary);
    text-shadow:0 0 16px rgba(59,130,246,0.35);
}

.hero-section{
    min-height:480px;
    background:var(--gradient-hero);
    color:#eaf2ff;
    padding-block:var(--space-2xl);
    position:relative;
    overflow:hidden;
    border-bottom:2px solid rgba(59,130,246,0.22);
}

.hero-section::before{
    content:'';
    position:absolute;
    inset:0;
    background:rgba(2,6,23,0.35);
    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:4px 4px 0 rgba(2,6,23,0.35), 0 14px 30px rgba(0,0,0,0.35);
}

.hero-section h2{
    font-size:clamp(1.1rem,2vw,1.4rem);
    opacity:0.95;
    margin-bottom:var(--space-md);
    font-weight:500;
    text-shadow:0 10px 24px rgba(0,0,0,0.25);
}

.hero-section .lead{
    font-size:1.1rem;
    max-width:700px;
    margin-inline:auto;
    opacity:0.98;
    color:rgba(234,242,255,0.92);
}

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

.notice-bar{
    animation:noticeSlideIn 0.42s cubic-bezier(.2,.9,.2,1);
}

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

.notice-bar a:hover{
    opacity:0.9;
    transform:translateY(-1px);
}

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

.breadcrumb-nav{
    background:linear-gradient(180deg, rgba(15,23,42,0.92) 0%, rgba(11,18,32,0.92) 100%);
    border-bottom:2px solid rgba(148,163,184,0.16);
}

.breadcrumb-nav .breadcrumb-item a{
    transition:color var(--transition-fast), text-shadow var(--transition-fast);
    color:#cbd5e1;
}

.breadcrumb-nav .breadcrumb-item a:hover{
    color:rgba(59,130,246,0.95) !important;
    text-shadow:0 0 18px rgba(59,130,246,0.35);
}

.why-us-section{
    background:linear-gradient(180deg,var(--color-bg-soft) 0%, #0f172a 100%);
    border-top:2px solid rgba(43,59,86,0.7);
}

.whyus-card{
    background:#ffffff;
    border:3px solid var(--color-border-soft);
    border-radius:var(--radius-md);
    padding:0.95rem;
    transition:transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    height:100%;
    box-shadow:4px 4px 0 rgba(15,23,42,0.12);
    color:#0f172a;
}

.whyus-card:hover{
    transform:translateY(-5px);
    border-color:rgba(59,130,246,0.65);
    box-shadow:4px 4px 0 rgba(59,130,246,0.22), 0 18px 40px rgba(0,0,0,0.25);
    background:linear-gradient(135deg,#ffffff 0%, #f3f7ff 100%);
}

.about-section{
    background:var(--gradient-deep);
    color:#eaf2ff;
    border-top:2px solid rgba(59,130,246,0.18);
    border-bottom:2px solid rgba(148,163,184,0.14);
}

.about-img-wrap{
    overflow:hidden;
    border-radius:var(--radius-md);
    border:2px solid rgba(148,163,184,0.18);
}

.about-img-wrap img{
    transition:transform var(--transition-slow), filter var(--transition-slow);
    filter:saturate(1.05) contrast(1.05);
}

.about-img-wrap:hover img{
    transform:scale(1.05);
    filter:saturate(1.2) contrast(1.12);
}

.about-card{
    transition:background var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
    box-shadow:4px 4px 0 rgba(0,0,0,0);
}

.about-card:hover{
    transform:translateY(-3px);
    background:rgba(255,255,255,0.10);
    box-shadow:4px 4px 0 rgba(59,130,246,0.18), 0 18px 40px rgba(0,0,0,0.28);
}

.text-white-75{
    color:rgba(234,242,255,0.86) !important;
    text-shadow:0 8px 22px rgba(0,0,0,0.25);
}

.departments-section{
    background:var(--gradient-dept);
    color:#eaf2ff;
    border-top:2px solid rgba(43,59,86,0.6);
}

.departments-title{
    font-size:clamp(1.6rem,3vw,2.2rem);
    font-weight:700;
    margin-bottom:var(--space-sm);
    letter-spacing:-0.02em;
    text-shadow:4px 4px 0 rgba(2,6,23,0.35);
}

.departments-subtitle{
    font-size:1.05rem;
    max-width:800px;
    margin-inline:auto;
    color:rgba(226,232,240,0.9);
    text-shadow:0 12px 28px rgba(0,0,0,0.2);
}

.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(180deg, rgba(17,27,46,0.7) 0%, rgba(15,23,42,0.6) 100%);
    backdrop-filter:var(--glass-blur);
    -webkit-backdrop-filter:var(--glass-blur);
    padding:var(--space-md);
    border-radius:var(--radius-md);
    margin-bottom:var(--space-sm);
    border:2px solid rgba(59,130,246,0.22);
    box-shadow:4px 4px 0 rgba(2,6,23,0.28), 0 18px 38px rgba(0,0,0,0.28);
}

.d-num{
    font-size:1.5rem;
    font-weight:700;
    color:#22c55e;
    margin-bottom:var(--space-xs);
    text-shadow:0 10px 24px rgba(34,197,94,0.25);
}

.d-num span{
    color:#eaf2ff;
    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);
    border:2px solid rgba(148,163,184,0.2);
    box-shadow:4px 4px 0 rgba(59,130,246,0.12), 0 18px 40px rgba(0,0,0,0.25);
}

.security-section{
    background:var(--gradient-security);
    color:#eaf2ff;
    border-top:2px solid rgba(34,197,94,0.18);
}

.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:3px;
    width:140px;
    height:140px;
    display:flex;
    flex-direction:column;
    align-items:center;
    justify-content:center;
    margin-inline:auto;
    color:rgba(2,6,23,0.9);
    font-weight:800;
    border:2px solid rgba(255,255,255,0.25);
    box-shadow:4px 4px 0 rgba(34,197,94,0.28), 0 22px 60px rgba(0,0,0,0.45);
    text-shadow:0 1px 0 rgba(255,255,255,0.25);
}

.node{
    background:rgba(17,27,46,0.72);
    backdrop-filter:var(--glass-blur);
    -webkit-backdrop-filter:var(--glass-blur);
    border-radius:var(--radius-md);
    padding:var(--space-sm);
    text-align:center;
    color:#eaf2ff;
    transition:transform var(--transition-base), background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    border:2px solid rgba(148,163,184,0.18);
    box-shadow:4px 4px 0 rgba(0,0,0,0.18);
}

.node:hover{
    transform:scale(1.05);
    background:rgba(59,130,246,0.14);
    border-color:rgba(59,130,246,0.45);
    box-shadow:4px 4px 0 rgba(59,130,246,0.20), 0 20px 50px rgba(0,0,0,0.35);
}

.node-title{
    font-weight:600;
    color:#22c55e;
    margin-block:var(--space-xs);
    text-shadow:0 10px 22px rgba(34,197,94,0.22);
}

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

.honor-section{
    background:linear-gradient(180deg,var(--color-bg-soft) 0%, #0f172a 100%);
    border-top:2px solid rgba(59,130,246,0.16);
}

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

.honor-text-card{
    padding:var(--space-md);
    background:#ffffff;
    border-radius:var(--radius-md);
    border-inline-start:3px solid rgba(59,130,246,0.95);
    transition:transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border-top:2px solid rgba(59,130,246,0.18);
    border-right:2px solid rgba(148,163,184,0.16);
    border-bottom:2px solid rgba(148,163,184,0.16);
    box-shadow:4px 4px 0 rgba(15,23,42,0.10);
    color:#0f172a;
}

.honor-text-card:hover{
    transform:translateY(-3px);
    box-shadow:4px 4px 0 rgba(59,130,246,0.22), 0 18px 44px rgba(0,0,0,0.26);
    border-inline-start-color:rgba(34,197,94,0.95);
    background:linear-gradient(135deg,#ffffff 0%, #f0f7ff 100%);
}

.mission-section{
    background:var(--gradient-mission);
    padding-block:var(--space-2xl);
    color:#eaf2ff;
    border-top:2px solid rgba(34,197,94,0.18);
    border-bottom:2px solid rgba(59,130,246,0.16);
}

.mission-list li{
    margin-bottom:var(--space-sm);
    color:rgba(226,232,240,0.92);
    text-shadow:0 10px 24px rgba(0,0,0,0.18);
}

.stats-section{
    background:linear-gradient(180deg,#0b1220 0%, var(--color-bg-soft) 100%);
    border-top:2px solid rgba(148,163,184,0.14);
}

.stats-card{
    transition:transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base), border-color var(--transition-base);
    background:#ffffff;
    border:2px solid rgba(59,130,246,0.18);
    border-radius:var(--radius-md);
    box-shadow:4px 4px 0 rgba(15,23,42,0.12);
}

.stats-card:hover{
    transform:translateY(-5px);
    box-shadow:4px 4px 0 rgba(59,130,246,0.22), 0 22px 52px rgba(0,0,0,0.30);
    background:linear-gradient(135deg,#ffffff 0%, rgba(243,247,255,1) 55%, rgba(226,232,240,1) 100%);
}

.stats-card h3{
    font-variant-numeric:tabular-nums;
    color:var(--color-primary-darker);
    text-shadow:0 10px 22px rgba(59,130,246,0.14);
}

.news-section{
    background:var(--color-bg-soft);
    border-top:2px solid rgba(59,130,246,0.14);
}

.news-card{
    transition:transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border:2px solid rgba(43,59,86,0.9);
    border-radius:var(--radius-md);
    background:#ffffff;
    box-shadow:4px 4px 0 rgba(15,23,42,0.10);
}

.news-card:hover{
    transform:translateY(-5px);
    box-shadow:4px 4px 0 rgba(59,130,246,0.20), 0 22px 60px rgba(0,0,0,0.32);
    border-color:rgba(59,130,246,0.55);
    background:linear-gradient(135deg,#ffffff 0%, #f3f7ff 100%);
}

.news-img-wrap{
    height:200px;
    overflow:hidden;
    position:relative;
    border-bottom:2px solid rgba(43,59,86,0.35);
}

.news-img-wrap img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform var(--transition-slow), filter var(--transition-slow);
    filter:saturate(1.05) contrast(1.05);
}

.news-card:hover .news-img-wrap img{
    transform:scale(1.08);
    filter:saturate(1.18) contrast(1.12);
}

.matches-section{
    background:var(--color-bg-soft);
    border-top:2px solid rgba(148,163,184,0.14);
}

.match-card{
    transition:transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border:2px solid rgba(43,59,86,0.95);
    border-radius:var(--radius-md);
    background:#ffffff;
    box-shadow:4px 4px 0 rgba(15,23,42,0.10);
}

.match-card:hover{
    transform:translateY(-3px);
    box-shadow:4px 4px 0 rgba(59,130,246,0.22), 0 20px 52px rgba(0,0,0,0.28);
    border-color:rgba(59,130,246,0.95);
    background:linear-gradient(135deg,#ffffff 0%, #f3f7ff 100%);
}

.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:rgba(15,23,42,0.95);
    text-shadow:0 10px 20px rgba(59,130,246,0.14);
}

.trust-section{
    background:var(--gradient-trust);
    color:#eaf2ff;
    border-top:2px solid rgba(59,130,246,0.18);
}

.trust-card{
    background:rgba(17,27,46,0.66);
    backdrop-filter:var(--glass-blur);
    -webkit-backdrop-filter:var(--glass-blur);
    border-radius:var(--radius-md);
    padding:var(--space-lg) var(--space-sm);
    height:100%;
    transition:transform var(--transition-base), background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    border:2px solid rgba(59,130,246,0.20);
    box-shadow:4px 4px 0 rgba(0,0,0,0.2);
}

.trust-card:hover{
    transform:translateY(-3px);
    background:rgba(59,130,246,0.14);
    border-color:rgba(34,197,94,0.35);
    box-shadow:4px 4px 0 rgba(34,197,94,0.18), 0 22px 60px rgba(0,0,0,0.34);
}

.partners-section{
    background:var(--color-bg-soft);
    border-top:2px solid rgba(148,163,184,0.12);
}

.partner-card{
    transition:transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base), border-color var(--transition-base);
    border-radius:var(--radius-md);
}

.partner-card:hover{
    transform:translateY(-5px);
    box-shadow:4px 4px 0 rgba(59,130,246,0.20), 0 26px 70px rgba(0,0,0,0.34);
}

.testimonials-section{
    background:#0b1220;
    border-top:2px solid rgba(59,130,246,0.14);
}

.testimonial-card{
    transition:transform var(--transition-base), box-shadow var(--transition-base), border-block-start-color var(--transition-base), background var(--transition-base);
    border-block-start:4px solid transparent;
}

.testimonial-card:hover{
    border-block-start-color:rgba(34,197,94,0.95);
    transform:translateY(-5px);
    box-shadow:4px 4px 0 rgba(34,197,94,0.18), 0 22px 60px rgba(0,0,0,0.30);
}

.cta-banner-section{
    background:var(--gradient-cta);
    color:#eaf2ff;
    position:relative;
    overflow:hidden;
    border-top:2px solid rgba(255,255,255,0.10);
    border-bottom:2px solid rgba(59,130,246,0.22);
}

.cta-banner-section::before{
    content:'';
    position:absolute;
    inset:0;
    background:rgba(0,0,0,0.25);
    z-index:0;
}

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

.cta-banner-section .btn-warning{
    box-shadow:4px 4px 0 rgba(251,191,36,0.35), 0 18px 44px rgba(0,0,0,0.34);
    transition:box-shadow var(--transition-base), transform var(--transition-base), filter var(--transition-base);
}

.text-white-75{
    color:rgba(234,242,255,0.9) !important;
}

.footer{
    font-size:0.9rem;
    color:rgba(226,232,240,0.78);
    text-shadow:0 10px 22px rgba(0,0,0,0.25);
}

.footer a {
    transition: color var(--transition-fast, 0.15s) cubic-bezier(0.2, 0.8, 0.2, 1);
}

.footer a:hover {
    color: var(--color-accent, #3b82f6) !important;
}

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

.footer-beian {
    font-size: 0.8rem;
    line-height: 1.8;
    opacity: 0.85;
    color: var(--color-text-muted, rgba(203, 213, 225, 0.92));
}

.footer-beian a:hover {
    color: var(--color-accent, #3b82f6) !important;
    text-decoration: underline !important;
}

.footer-beian img {
    margin-inline-end: 4px;
    transition: transform var(--transition-fast, 0.15s) cubic-bezier(0.2, 0.8, 0.2, 1);
    filter: saturate(1.02) contrast(1.03);
}

.footer-beian a:hover img {
    transform: scale(1.2);
}

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

/* ============================================
   22. Form (Login/Signup/Contact)
   ============================================ */
.form-control:focus,
.form-select:focus {
    border-color: #3b82f6;
    box-shadow:
        4px 4px 0 rgba(15, 23, 42, 0.55),
        0 0 0 2px rgba(59, 130, 246, 0.95),
        0 0 0 6px rgba(59, 130, 246, 0.18);
}

.btn-primary {
    background-color: #3b82f6;
    border-color: #3b82f6;
    color: #ffffff;
    box-shadow: 4px 4px 0 rgba(15, 23, 42, 0.55);
    border-radius: 2px;
    transition:
        background-color var(--transition-fast, 0.15s) cubic-bezier(0.2, 0.8, 0.2, 1),
        border-color var(--transition-fast, 0.15s) cubic-bezier(0.2, 0.8, 0.2, 1),
        box-shadow var(--transition-fast, 0.15s) cubic-bezier(0.2, 0.8, 0.2, 1),
        transform var(--transition-fast, 0.15s) cubic-bezier(0.2, 0.8, 0.2, 1),
        color var(--transition-fast, 0.15s) cubic-bezier(0.2, 0.8, 0.2, 1);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #2563eb;
    border-color: #2563eb;
    box-shadow:
        4px 4px 0 rgba(15, 23, 42, 0.62),
        0 0 0 2px rgba(37, 99, 235, 0.25);
    transform: translate(-0.5px, -0.5px);
}

.input-group-text {
    background-color: #334155;
    border-color: rgba(148, 163, 184, 0.32);
    color: #e2e8f0;
    box-shadow: 4px 4px 0 rgba(15, 23, 42, 0.35);
    border-radius: 2px;
}

/* ============================================
   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: 1.5rem;
}

/* 功能特性列表 (默认 3 列) */
.feature-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

/* 用户评价 (默认 3 列) */
.testimonial-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

/* 合作伙伴 (默认 4 列) */
.partner-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    align-items: center;
}

/* 数据统计 (默认 4 列) */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    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: 2rem;
    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: 1.5rem;
}

/* 联系渠道 (默认 3 列) */
.channels-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

/* 文章列表 (默认 2 列) */
.post-list-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

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

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

/* 步 骤网格 (默认 4 列) */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

/* 二维码网格 (默认 3 列) */
.qr-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    justify-items: center;
}

/* 荣誉列表 (默认 2 列交替) */
.honor-list {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}
.honor-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    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%; }
}

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

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