:root{
    --color-primary:#6d28d9;
    --color-primary-dark:#4c1d95;
    --color-primary-darker:#2e1065;
    --color-accent:#f97316;
    --color-accent-dark:#ea580c;
    --color-success:#22c55e;
    --color-danger:#ef4444;

    --color-text:#1f2937;
    --color-text-muted:#4b5563;
    --color-text-light:#6b7280;
    --color-bg:#f6f7fb;
    --color-bg-soft:#ffffff;
    --color-bg-muted:#f2f4f8;
    --color-border:#e6eaf2;
    --color-border-soft:#eef2f7;

    --gradient-hero:linear-gradient(135deg,#1f2937 0%, #6d28d9 45%, #3b82f6 100%);
    --gradient-deep:linear-gradient(135deg,#0b1020 0%, #1f2a44 100%);
    --gradient-dept:linear-gradient(135deg,#2b1a5e 0%, #6d28d9 55%, #2563eb 100%);
    --gradient-security:linear-gradient(135deg,#0f172a 0%, #111827 40%, #1d4ed8 100%);
    --gradient-mission:linear-gradient(135deg,#6d28d9 0%, #1d4ed8 100%);
    --gradient-trust:linear-gradient(135deg,#111827 0%, #0b1220 35%, #4f46e5 100%);
    --gradient-cta:linear-gradient(135deg,#2b1a5e 0%, #6d28d9 55%, #3b82f6 100%);
    --gradient-accent:linear-gradient(135deg,#f97316 0%, #f59e0b 45%, #a855f7 100%);
    --gradient-icon:linear-gradient(135deg,#a855f7 0%, #3b82f6 100%);

    --glass-bg:rgba(255,255,255,.10);
    --glass-border:rgba(255,255,255,.18);
    --glass-blur:blur(12px);

    --shadow-sm:0 2px 10px rgba(17,24,39,.08);
    --shadow-md:0 8px 20px rgba(17,24,39,.10), 0 1px 0 rgba(255,255,255,.55) inset;
    --shadow-lg:0 14px 35px rgba(17,24,39,.14), 0 1px 0 rgba(255,255,255,.6) inset;
    --shadow-xl:0 22px 55px rgba(17,24,39,.18), 0 1px 0 rgba(255,255,255,.65) inset;
    --shadow-primary:0 10px 24px rgba(109,40,217,.22), 0 2px 0 rgba(255,255,255,.55) inset;
    --shadow-accent:0 10px 26px rgba(249,115,22,.20), 0 2px 0 rgba(255,255,255,.55) inset;

    --radius-sm:4px;
    --radius-md:6px;
    --radius-lg:8px;
    --radius-pill:26px;

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

    --transition-fast:.16s cubic-bezier(.2,.8,.2,1);
    --transition-base:.24s cubic-bezier(.2,.8,.2,1);
    --transition-slow:.45s cubic-bezier(.2,.8,.2,1);
}

:where(body){
    color:var(--color-text);
    background:linear-gradient(180deg, var(--color-bg) 0%, #f3f4f8 100%);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    text-shadow:0 1px 0 rgba(255,255,255,.25);
}

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

.bg-glass{
    background:var(--glass-bg);
    backdrop-filter:var(--glass-blur);
    -webkit-backdrop-filter:var(--glass-blur);
    border:1px solid rgba(255,255,255,.20);
    box-shadow:0 10px 30px rgba(17,24,39,.08);
}

.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:0 14px 30px rgba(168,85,247,.22), 0 6px 14px rgba(59,130,246,.16);
    border:1px solid rgba(255,255,255,.18);
}

.header{
    background:rgba(255,255,255,.92);
    z-index:1030;
    box-shadow:0 10px 24px rgba(17,24,39,.06);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:1px solid rgba(230,234,242,.9);
}

.header .navbar-brand img{
    transition:transform var(--transition-fast), filter var(--transition-fast);
    filter:saturate(1.03) contrast(1.02);
}

.header .navbar-brand:hover img{
    transform:scale(1.05) translateY(-1px);
    filter:saturate(1.12) contrast(1.06);
}

.header .nav-link{
    font-weight:500;
    color:var(--color-text);
    transition:color var(--transition-fast), opacity var(--transition-fast), text-shadow var(--transition-fast);
    text-shadow:none;
    opacity:.92;
}

.header .nav-link:hover{
    color:var(--color-primary);
    text-shadow:0 2px 10px rgba(109,40,217,.22);
    opacity:1;
}

.hero-section{
    min-height:480px;
    background:var(--gradient-hero);
    color:#fff;
    padding-block:var(--space-2xl);
    position:relative;
    overflow:hidden;
    box-shadow:inset 0 -1px 0 rgba(255,255,255,.10);
}

.hero-section::before{
    content:'';
    position:absolute;
    inset:0;
    background:radial-gradient(1000px 500px at 20% 10%, rgba(255,255,255,.14) 0%, rgba(255,255,255,0) 55%), rgba(0,0,0,.18);
    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 12px 28px rgba(0,0,0,.25);
}

.hero-section h2{
    font-size:clamp(1.1rem, 2vw, 1.4rem);
    opacity:.92;
    margin-bottom:var(--space-md);
    font-weight:500;
    text-shadow:0 10px 22px rgba(0,0,0,.18);
}

.hero-section .lead{
    font-size:1.1rem;
    max-width:700px;
    margin-inline:auto;
    opacity:.96;
    text-shadow:0 8px 18px rgba(0,0,0,.16);
}

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

.notice-bar{
    animation:noticeSlideIn .55s cubic-bezier(.2,.8,.2,1);
}

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

.notice-bar a:hover{
    opacity:.92;
    transform:translateY(-1px);
}

@keyframes noticeSlideIn{
    from{ transform:translateY(-100%); opacity:0; filter:blur(6px); }
    to{ transform:translateY(0); opacity:1; filter:blur(0); }
}

.breadcrumb-nav{
    background:linear-gradient(180deg, var(--color-bg-muted) 0%, #edf1f7 100%);
    border-top:1px solid rgba(230,234,242,.9);
    border-bottom:1px solid rgba(230,234,242,.9);
}

.breadcrumb-nav .breadcrumb-item a{
    transition:color var(--transition-fast), text-shadow var(--transition-fast), opacity var(--transition-fast);
    opacity:.92;
}

.breadcrumb-nav .breadcrumb-item a:hover{
    color:var(--color-primary-dark) !important;
    text-shadow:0 2px 10px rgba(76,29,149,.20);
    opacity:1;
}

.why-us-section{
    background:linear-gradient(180deg, #f3f4f8 0%, #f7f8fc 100%);
}

.whyus-card{
    background:#fff;
    border:1px solid rgba(238,242,247,.95);
    border-radius:var(--radius-sm);
    padding:var(--space-md);
    transition:transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    height:100%;
    box-shadow:0 6px 16px rgba(17,24,39,.06);
}

.whyus-card:hover{
    transform:translateY(-3px);
    box-shadow:0 14px 34px rgba(17,24,39,.12), 0 1px 0 rgba(255,255,255,.65) inset;
    border-color:rgba(109,40,217,.22);
    background:linear-gradient(180deg,#fff 0%, #fbfbff 100%);
}

.about-section{
    background:var(--gradient-deep);
    color:#fff;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}

.about-img-wrap{
    overflow:hidden;
    border-radius:var(--radius-lg);
    border:1px solid rgba(255,255,255,.12);
    box-shadow:0 18px 50px rgba(0,0,0,.18);
}

.about-img-wrap img{
    transition:transform var(--transition-slow), filter var(--transition-slow);
    filter:saturate(1.02) contrast(1.04);
}

.about-img-wrap:hover img{
    transform:scale(1.05);
    filter:saturate(1.16) contrast(1.08);
}

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

.about-card:hover{
    transform:translateY(-3px);
    background:rgba(255,255,255,.10);
    box-shadow:0 16px 40px rgba(0,0,0,.18);
    border-color:rgba(255,255,255,.14);
}

.text-white-75{
    color:rgba(255,255,255,.78) !important;
    text-shadow:0 6px 18px rgba(0,0,0,.18);
}

.departments-section{
    background:var(--gradient-dept);
    color:#fff;
    box-shadow:inset 0 -1px 0 rgba(255,255,255,.06);
}

.departments-title{
    font-size:clamp(1.6rem, 3vw, 2.2rem);
    font-weight:700;
    margin-bottom:var(--space-sm);
    text-shadow:0 14px 30px rgba(0,0,0,.25);
}

.departments-subtitle{
    font-size:1.05rem;
    max-width:800px;
    margin-inline:auto;
    color:rgba(255,255,255,.86);
    text-shadow:0 10px 22px rgba(0,0,0,.18);
}

.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(255,255,255,.12) 0%, rgba(255,255,255,.08) 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:1px solid rgba(255,255,255,.16);
    box-shadow:0 12px 30px rgba(0,0,0,.14);
}

.d-num{
    font-size:1.5rem;
    font-weight:700;
    color:var(--color-accent);
    margin-bottom:var(--space-xs);
    text-shadow:0 10px 20px rgba(249,115,22,.22);
}

.d-num span{
    color:#fff;
    font-size:1.1rem;
    margin-inline-start:var(--space-xs);
    opacity:.92;
}

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

.d-image img{
    width:100%;
    border-radius:var(--radius-md);
    box-shadow:0 18px 45px rgba(0,0,0,.18);
    border:1px solid rgba(255,255,255,.12);
}

.security-section{
    background:var(--gradient-security);
    color:#fff;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}

.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:radial-gradient(circle at 35% 25%, rgba(255,255,255,.35) 0%, rgba(255,255,255,0) 45%), 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 26px 70px rgba(249,115,22,.25), 0 18px 45px rgba(109,40,217,.18), 0 1px 0 rgba(255,255,255,.55) inset;
    border:1px solid rgba(255,255,255,.18);
}

.node{
    background:linear-gradient(180deg, rgba(255,255,255,.12) 0%, rgba(255,255,255,.08) 100%);
    backdrop-filter:var(--glass-blur);
    -webkit-backdrop-filter:var(--glass-blur);
    border-radius:var(--radius-md);
    padding:var(--space-sm);
    text-align:center;
    color:#fff;
    transition:transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base), border-color var(--transition-base);
    border:1px solid rgba(255,255,255,.16);
    box-shadow:0 12px 30px rgba(0,0,0,.14);
}

.node:hover{
    transform:scale(1.05);
    background:rgba(255,255,255,.14);
    box-shadow:0 24px 60px rgba(0,0,0,.22), 0 1px 0 rgba(255,255,255,.6) inset;
    border-color:rgba(255,255,255,.22);
}

.node-title{
    font-weight:600;
    color:var(--color-accent);
    margin-block:var(--space-xs);
    text-shadow:0 10px 22px rgba(249,115,22,.20);
}

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

.honor-section{
    background:linear-gradient(180deg, #f2f4f8 0%, #ffffff 100%);
}

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

.honor-text-card{
    padding:var(--space-md);
    background:#fff;
    border-radius:var(--radius-md);
    border-inline-start:4px solid var(--color-primary);
    transition:transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    box-shadow:0 8px 18px rgba(17,24,39,.06);
    border:1px solid rgba(238,242,247,.95);
}

.honor-text-card:hover{
    transform:translateY(-3px);
    box-shadow:0 16px 38px rgba(17,24,39,.12), 0 1px 0 rgba(255,255,255,.65) inset;
    background:linear-gradient(180deg,#fff 0%, #fbfcff 100%);
    border-inline-start-color:var(--color-accent);
}

.mission-section{
    background:var(--gradient-mission);
    padding-block:var(--space-2xl);
    color:#fff;
    box-shadow:inset 0 -1px 0 rgba(255,255,255,.06);
}

.mission-list li{
    margin-bottom:var(--space-sm);
    color:#e2e8f0;
    text-shadow:0 10px 18px rgba(0,0,0,.18);
}

.stats-section{
    background:#fff;
}

.stats-card{
    transition:transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base), border-color var(--transition-base);
    background:linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    border:1px solid rgba(230,234,242,.95);
    border-radius:var(--radius-md);
    box-shadow:0 10px 25px rgba(17,24,39,.06);
}

.stats-card:hover{
    transform:translateY(-5px);
    box-shadow:0 18px 45px rgba(17,24,39,.12), 0 1px 0 rgba(255,255,255,.65) inset;
    background:linear-gradient(135deg, #ffffff 0%, #f4f7ff 50%, #f9fbff 100%);
}

.stats-card h3{
    font-variant-numeric:tabular-nums;
    color:var(--color-primary-dark);
    text-shadow:0 10px 18px rgba(59,130,246,.14);
}

.news-section{
    background:linear-gradient(180deg, #f2f4f8 0%, #ffffff 100%);
}

.news-card{
    transition:transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border:1px solid var(--color-border-soft);
    border-radius:var(--radius-md);
    background:#fff;
    box-shadow:0 10px 22px rgba(17,24,39,.06);
}

.news-card:hover{
    transform:translateY(-5px);
    box-shadow:0 20px 55px rgba(17,24,39,.14), 0 1px 0 rgba(255,255,255,.65) inset;
    border-color:rgba(109,40,217,.30);
    background:linear-gradient(180deg,#fff 0%, #fbfbff 100%);
}

.news-img-wrap{
    height:200px;
    overflow:hidden;
    position:relative;
    border-top-left-radius:var(--radius-md);
    border-top-right-radius:var(--radius-md);
    background:radial-gradient(800px 220px at 20% 0%, rgba(109,40,217,.18) 0%, rgba(109,40,217,0) 55%);
    border-bottom:1px solid rgba(230,234,242,.9);
}

.news-img-wrap img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform var(--transition-slow), filter var(--transition-slow);
    filter:saturate(1.04) contrast(1.05);
}

.news-card:hover .news-img-wrap img{
    transform:scale(1.08);
    filter:saturate(1.16) contrast(1.08);
}

.match-card{
    transition:transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border:1px solid var(--color-border-soft);
    border-radius:var(--radius-md);
    background:#fff;
    box-shadow:0 10px 22px rgba(17,24,39,.06);
}

.match-card:hover{
    transform:translateY(-3px);
    box-shadow:0 18px 45px rgba(17,24,39,.12), 0 1px 0 rgba(255,255,255,.65) inset;
    border-color:rgba(249,115,22,.45);
}

.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);
    text-shadow:0 10px 22px rgba(109,40,217,.20);
}

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

.trust-card{
    background:linear-gradient(180deg, rgba(255,255,255,.12) 0%, rgba(255,255,255,.08) 100%);
    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:1px solid rgba(255,255,255,.16);
    box-shadow:0 18px 50px rgba(0,0,0,.20);
}

.trust-card:hover{
    transform:translateY(-3px);
    background:rgba(255,255,255,.14);
    box-shadow:0 26px 65px rgba(0,0,0,.28), 0 1px 0 rgba(255,255,255,.55) inset;
    border-color:rgba(255,255,255,.22);
}

.partners-section{
    background:linear-gradient(180deg, #f2f4f8 0%, #ffffff 100%);
}

.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:0 20px 55px rgba(109,40,217,.16), 0 1px 0 rgba(255,255,255,.65) inset;
    background:linear-gradient(180deg, #ffffff 0%, #fbfbff 100%);
}

.testimonials-section{
    background:#fff;
}

.testimonial-card{
    transition:transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border-block-start:4px solid transparent;
    border-radius:var(--radius-md);
    background:linear-gradient(180deg, #ffffff 0%, #fcfcff 100%);
    box-shadow:0 10px 22px rgba(17,24,39,.06);
    border:1px solid rgba(230,234,242,.95);
}

.testimonial-card:hover{
    border-block-start-color:var(--color-accent);
    transform:translateY(-5px);
    box-shadow:0 20px 55px rgba(17,24,39,.14), 0 1px 0 rgba(255,255,255,.65) inset;
    background:linear-gradient(135deg,#ffffff 0%, #fff7f0 45%, #fbfbff 100%);
}

.cta-banner-section{
    background:var(--gradient-cta);
    color:#fff;
    position:relative;
    overflow:hidden;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}

.cta-banner-section::before{
    content:'';
    position:absolute;
    inset:0;
    background:radial-gradient(900px 420px at 20% 10%, rgba(255,255,255,.18) 0%, rgba(255,255,255,0) 55%), rgba(0,0,0,.22);
    z-index:0;
}

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

.cta-banner-section .btn-warning{
    box-shadow:0 14px 34px rgba(249,115,22,.28), 0 4px 12px rgba(0,0,0,.18);
    border:1px solid rgba(255,255,255,.18);
    background:linear-gradient(180deg, rgba(255,255,255,.14) 0%, rgba(255,255,255,.06) 100%);
}

.text-white-75{
    color:rgba(255,255,255,.86) !important;
    text-shadow:0 12px 26px rgba(0,0,0,.22);
}

.footer{
    font-size:0.9rem;
    color:#9aa4b2;
    text-shadow:0 6px 16px rgba(0,0,0,.10);
}

.footer a{
    transition: color 160ms cubic-bezier(.2,.8,.2,1);
}
.footer a:hover{
    color: var(--color-accent) !important;
}

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

.footer-beian{
    font-size: 0.8rem;
    line-height: 1.8;
    opacity: 0.85;
}

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

.footer-beian img{
    margin-inline-end: 4px;
    transition: transform 160ms cubic-bezier(.2,.8,.2,1);
}

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

.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: var(--color-primary);
    box-shadow:
        0 0 0 0.15rem rgba(59,130,246,.14),
        0 0 0 0.05rem rgba(59,130,246,.10);
    filter: saturate(1.02);
}

.btn-primary{
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow:
        0 1px 0 rgba(255,255,255,.22) inset,
        0 8px 18px rgba(37,99,235,.18);
}

.btn-primary:hover,
.btn-primary:focus{
    background-color: #1d4ed8;
    border-color: #1d4ed8;
    box-shadow:
        0 1px 0 rgba(255,255,255,.20) inset,
        0 12px 24px rgba(29,78,216,.22);
}

.input-group-text{
    background-color: var(--color-bg-muted);
    border-color: var(--color-border);
    box-shadow:
        0 1px 0 rgba(255,255,255,.35) inset,
        0 1px 2px rgba(0,0,0,.04);
}

/* ============================================
   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%; }
}