:root{
    --color-primary:#7c3aed;
    --color-primary-dark:#4c1d95;
    --color-primary-darker:#2e1065;
    --color-accent:#22c55e;
    --color-accent-dark:#16a34a;
    --color-success:#06b6d4;
    --color-danger:#f43f5e;

    --color-text:#0f172a;
    --color-text-muted:#334155;
    --color-text-light:#64748b;
    --color-bg:#0b1220;
    --color-bg-soft:#0f1b33;
    --color-bg-muted:#0e1730;
    --color-border:#1f2a44;
    --color-border-soft:#18243d;

    --gradient-hero:linear-gradient(135deg,#0ea5e9 0%,#7c3aed 55%,#7f1d1d 100%);
    --gradient-deep:linear-gradient(135deg,#020617 0%,#0b1220 40%,#1e1b4b 100%);
    --gradient-dept:linear-gradient(135deg,#1f2937 0%,#4f46e5 45%,#06b6d4 100%);
    --gradient-security:linear-gradient(135deg,#111827 0%,#0b1220 40%,#2b134f 100%);
    --gradient-mission:linear-gradient(135deg,#7c3aed 0%,#0ea5e9 45%,#22c55e 100%);
    --gradient-trust:linear-gradient(135deg,#0b1220 0%,#3b2a86 55%,#06b6d4 100%);
    --gradient-cta:linear-gradient(135deg,#7c3aed 0%,#0ea5e9 50%,#22c55e 100%);
    --gradient-accent:linear-gradient(135deg,#22c55e 0%,#06b6d4 55%,#7c3aed 100%);
    --gradient-icon:linear-gradient(135deg,#22c55e 0%,#0ea5e9 45%,#7c3aed 100%);

    --glass-bg:rgba(17,24,39,.62);
    --glass-border:rgba(124,58,237,.22);
    --glass-blur:blur(8px);

    --shadow-sm:0 2px 10px rgba(0,0,0,.28);
    --shadow-md:0 10px 22px rgba(0,0,0,.35);
    --shadow-lg:0 18px 40px rgba(0,0,0,.42);
    --shadow-xl:0 26px 70px rgba(0,0,0,.48);
    --shadow-primary:0 12px 26px rgba(124,58,237,.25),0 2px 0 rgba(255,255,255,.06) inset;
    --shadow-accent:0 10px 22px rgba(34,197,94,.22),0 0 0 1px rgba(34,197,94,.18) inset;

    --radius-sm:3px;
    --radius-md:5px;
    --radius-lg:7px;
    --radius-pill:26px;

    --space-xs:0.45rem;
    --space-sm:0.9rem;
    --space-md:1.15rem;
    --space-lg:1.65rem;
    --space-xl:2.4rem;
    --space-2xl:3.5rem;

    --transition-fast:160ms cubic-bezier(.2,.8,.2,1);
    --transition-base:220ms cubic-bezier(.2,.8,.2,1);
    --transition-slow:360ms cubic-bezier(.2,.8,.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:var(--glass-bg);
    backdrop-filter:var(--glass-blur);
    -webkit-backdrop-filter:var(--glass-blur);
    border:1px solid var(--glass-border);
    box-shadow:0 8px 24px rgba(0,0,0,.28),0 0 0 1px rgba(255,255,255,.04) inset;
}

.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(124,58,237,.28),0 8px 18px rgba(14,165,233,.18);
}

.header{
    background:#0b1220;
    z-index:1030;
    box-shadow:0 10px 30px rgba(0,0,0,.35);
}

.header .navbar-brand img{
    transition:transform var(--transition-fast),filter var(--transition-fast);
    filter:drop-shadow(0 6px 12px rgba(0,0,0,.25));
}

.header .navbar-brand:hover img{
    transform:scale(1.05);
    filter:drop-shadow(0 10px 18px rgba(124,58,237,.35));
}

.header .nav-link{
    font-weight:500;
    color:rgba(15,23,42,.92);
    transition:color var(--transition-fast),text-shadow var(--transition-fast),opacity var(--transition-fast);
    text-shadow:0 0 0 rgba(0,0,0,0);
}

.header .nav-link:hover{
    color:var(--color-primary);
    text-shadow:0 6px 18px rgba(124,58,237,.35);
}

.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:linear-gradient(180deg,rgba(0,0,0,.15) 0%,rgba(0,0,0,.35) 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 14px 30px rgba(0,0,0,.35);
}

.hero-section h2{
    font-size:clamp(1.1rem,2vw,1.4rem);
    opacity:.95;
    margin-bottom:var(--space-md);
    font-weight:500;
    text-shadow:0 10px 26px rgba(0,0,0,.25);
}

.hero-section .lead{
    font-size:1.1rem;
    max-width:700px;
    margin-inline:auto;
    opacity:.95;
    text-shadow:0 10px 22px rgba(0,0,0,.22);
}

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

.notice-bar{
    animation:noticeSlideIn 0.45s cubic-bezier(.2,.85,.2,1);
}

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

.notice-bar a:hover{
    opacity:.9;
    transform:translateY(-1px);
}

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

.breadcrumb-nav{
    background:linear-gradient(135deg,rgba(15,27,51,.95) 0%,rgba(14,23,48,.9) 100%);
    border-top:1px solid rgba(255,255,255,.06);
    border-bottom:1px solid rgba(255,255,255,.06);
}

.breadcrumb-nav .breadcrumb-item a{
    transition:color var(--transition-fast),text-shadow var(--transition-fast),opacity var(--transition-fast);
    color:rgba(255,255,255,.86);
}

.breadcrumb-nav .breadcrumb-item a:hover{
    color:var(--color-primary-dark) !important;
    text-shadow:0 10px 22px rgba(124,58,237,.35);
}

.why-us-section{
    background:linear-gradient(180deg,rgba(15,27,51,.95) 0%,rgba(10,18,32,.92) 100%);
}

.whyus-card{
    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.10);
    border-radius:var(--radius-lg);
    padding:var(--space-md);
    transition:transform var(--transition-base),box-shadow var(--transition-base),background var(--transition-base),border-color var(--transition-base);
    height:100%;
    box-shadow:0 10px 26px rgba(0,0,0,.20);
}

.whyus-card:hover{
    transform:translateY(-4px);
    box-shadow:0 18px 42px rgba(0,0,0,.40),0 0 0 1px rgba(124,58,237,.28) inset;
    background:rgba(124,58,237,.10);
    border-color:rgba(124,58,237,.28);
}

.about-section{
    background:var(--gradient-deep);
    color:#fff;
    border-top:1px solid rgba(255,255,255,.06);
    border-bottom:1px solid rgba(255,255,255,.06);
}

.about-img-wrap{
    overflow:hidden;
    border-radius:var(--radius-lg);
    box-shadow:0 18px 50px rgba(0,0,0,.45);
    border:1px solid rgba(255,255,255,.08);
}

.about-img-wrap img{
    transition:transform var(--transition-slow),filter var(--transition-slow);
    filter:saturate(1.05) contrast(1.02);
}

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

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

.about-card:hover{
    transform:translateY(-3px);
    background:rgba(124,58,237,.12);
    border-color:rgba(124,58,237,.24);
}

.text-white-75{
    color:rgba(255,255,255,.78) !important;
}

.departments-section{
    background:var(--gradient-dept);
    color:#fff;
    border-top:1px solid 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,.88);
    text-shadow:0 10px 24px 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,.06) 0%,rgba(255,255,255,.03) 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,.10);
    box-shadow:0 14px 34px rgba(0,0,0,.26),0 0 0 1px rgba(34,197,94,.10) inset;
}

.d-num{
    font-size:1.5rem;
    font-weight:700;
    color:var(--color-accent);
    margin-bottom:var(--space-xs);
    text-shadow:0 14px 30px rgba(34,197,94,.18);
}

.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);
    border:1px solid rgba(255,255,255,.10);
    box-shadow:0 18px 40px rgba(0,0,0,.35);
}

.security-section{
    background:var(--gradient-security);
    color:#fff;
    border-top:1px solid 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: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 1px rgba(255,255,255,.12) inset,0 22px 50px rgba(34,197,94,.22),0 18px 44px rgba(0,0,0,.45);
    border:1px solid rgba(255,255,255,.10);
}

.node{
    background:rgba(17,24,39,.58);
    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),background var(--transition-base),box-shadow var(--transition-base),border-color var(--transition-base);
    border:1px solid rgba(255,255,255,.12);
    box-shadow:0 12px 30px rgba(0,0,0,.28);
}

.node:hover{
    transform:scale(1.05);
    background:rgba(124,58,237,.14);
    box-shadow:0 20px 52px rgba(0,0,0,.45),0 0 0 1px rgba(124,58,237,.24) inset;
    border-color:rgba(124,58,237,.30);
}

.node-title{
    font-weight:600;
    color:var(--color-accent);
    margin-block:var(--space-xs);
    text-shadow:0 14px 30px rgba(34,197,94,.18);
}

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

.honor-section{
    background:linear-gradient(180deg,rgba(15,27,51,.98) 0%,rgba(11,18,32,.94) 100%);
}

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

.honor-text-card{
    padding:var(--space-md);
    background:rgba(255,255,255,.04);
    border-radius:var(--radius-md);
    border-inline-start:4px solid var(--color-primary);
    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,.10);
    box-shadow:0 12px 28px rgba(0,0,0,.22);
}

.honor-text-card:hover{
    transform:translateY(-2px);
    box-shadow:0 18px 44px rgba(0,0,0,.42),0 0 0 1px rgba(124,58,237,.25) inset;
    background:rgba(124,58,237,.10);
    border-color:rgba(124,58,237,.22);
}

.mission-section{
    background:var(--gradient-mission);
    padding-block:var(--space-2xl);
    color:#fff;
    border-top:1px solid rgba(255,255,255,.06);
}

.mission-list li{
    margin-bottom:var(--space-sm);
    color:rgba(226,232,240,.92);
    text-shadow:0 10px 22px rgba(0,0,0,.18);
}

.stats-section{
    background:rgba(255,255,255,.04);
    border-top:1px solid rgba(255,255,255,.06);
}

.stats-card{
    transition:transform var(--transition-base),box-shadow var(--transition-base),background var(--transition-base),border-color var(--transition-base);
    background:rgba(15,27,51,.55);
    border:1px solid rgba(255,255,255,.10);
    box-shadow:0 12px 30px rgba(0,0,0,.20);
}

.stats-card:hover{
    transform:translateY(-4px);
    box-shadow:0 20px 52px rgba(0,0,0,.44),0 0 0 1px rgba(14,165,233,.20) inset;
    background:linear-gradient(135deg,rgba(255,255,255,.06) 0%,rgba(14,165,233,.10) 45%,rgba(124,58,237,.10) 100%);
    border-color:rgba(14,165,233,.22);
}

.stats-card h3{
    font-variant-numeric:tabular-nums;
    color:rgba(124,58,237,.98);
    text-shadow:0 14px 30px rgba(124,58,237,.16);
}

.news-section{
    background:linear-gradient(180deg,rgba(15,27,51,.96) 0%,rgba(10,18,32,.92) 100%);
}

.news-card{
    transition:transform var(--transition-base),box-shadow var(--transition-base),background var(--transition-base),border-color var(--transition-base);
    border:1px solid var(--color-border-soft);
    border-radius:var(--radius-md);
    background:rgba(255,255,255,.03);
    box-shadow:0 12px 28px rgba(0,0,0,.22);
}

.news-card:hover{
    transform:translateY(-4px);
    box-shadow:0 26px 60px rgba(0,0,0,.50),0 0 0 1px rgba(124,58,237,.26) inset;
    border-color:rgba(124,58,237,.30);
    background:rgba(124,58,237,.08);
}

.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);
    filter:saturate(1.05) contrast(1.02);
}

.news-card:hover .news-img-wrap img{
    transform:scale(1.08);
    filter:saturate(1.25) contrast(1.08);
}

.match-card{
    transition:transform var(--transition-base),box-shadow var(--transition-base),background var(--transition-base),border-color var(--transition-base);
    border:1px solid var(--color-border-soft);
    border-radius:var(--radius-md);
    background:rgba(255,255,255,.03);
}

.match-card:hover{
    transform:translateY(-3px);
    box-shadow:0 18px 44px rgba(0,0,0,.44),0 0 0 1px rgba(124,58,237,.22) inset;
    border-color:rgba(124,58,237,.60);
    background:rgba(124,58,237,.08);
}

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

.match-card .team .small{
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
    color:rgba(255,255,255,.88);
}

.match-card .score{
    font-variant-numeric:tabular-nums;
    color:rgba(14,165,233,.98);
    text-shadow:0 14px 30px rgba(14,165,233,.18);
}

.trust-section{
    background:var(--gradient-trust);
    color:#fff;
    border-top:1px solid rgba(255,255,255,.06);
}

.trust-card{
    background:rgba(17,24,39,.55);
    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,.12);
    box-shadow:0 18px 46px rgba(0,0,0,.38);
}

.trust-card:hover{
    transform:translateY(-3px);
    background:rgba(124,58,237,.14);
    box-shadow:0 26px 70px rgba(0,0,0,.52),0 0 0 1px rgba(124,58,237,.26) inset;
    border-color:rgba(124,58,237,.30);
}

.partners-section{
    background:linear-gradient(180deg,rgba(15,27,51,.96) 0%,rgba(10,18,32,.92) 100%);
}

.partner-card{
    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,.10);
    border-radius:var(--radius-md);
    background:rgba(255,255,255,.03);
    box-shadow:0 12px 28px rgba(0,0,0,.22);
}

.partner-card:hover{
    transform:translateY(-4px);
    box-shadow:0 26px 60px rgba(0,0,0,.50),0 0 0 1px rgba(34,197,94,.22) inset;
    background:rgba(34,197,94,.10);
    border-color:rgba(34,197,94,.26);
}

.testimonials-section{
    background:rgba(255,255,255,.03);
    border-top:1px solid rgba(255,255,255,.06);
}

.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;
    border-radius:var(--radius-md);
    border:1px solid rgba(255,255,255,.10);
    background:rgba(255,255,255,.03);
    box-shadow:0 12px 28px rgba(0,0,0,.20);
}

.testimonial-card:hover{
    border-block-start-color:var(--color-accent);
    transform:translateY(-4px);
    box-shadow:0 22px 56px rgba(0,0,0,.46),0 0 0 1px rgba(34,197,94,.24) inset;
    background:rgba(34,197,94,.08);
}

.cta-banner-section{
    background:var(--gradient-cta);
    color:#fff;
    position:relative;
    overflow:hidden;
    border-top:1px solid rgba(255,255,255,.08);
    box-shadow:0 26px 70px rgba(0,0,0,.44);
}

.cta-banner-section::before{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(0,0,0,.14) 0%,rgba(0,0,0,.34) 100%);
    z-index:0;
}

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

.cta-banner-section .btn-warning{
    box-shadow:0 0 0 1px rgba(255,255,255,.16) inset,0 18px 44px rgba(34,197,94,.22),0 10px 24px rgba(0,0,0,.26);
}

.text-white-75{
    color:rgba(255,255,255,.85) !important;
}

.footer{
    font-size:0.9rem;
    color:rgba(203,213,225,.86);
    background:rgba(0,0,0,.08);
    border-top:1px solid rgba(255,255,255,.06);
    padding-top:0.75rem;
}

.footer a {
    transition: color 160ms cubic-bezier(0.2, 0.9, 0.2, 1), text-shadow 160ms cubic-bezier(0.2, 0.9, 0.2, 1);
    color: rgba(255, 255, 255, 0.92);
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
}

.footer a:hover {
    color: #f97316 !important;
    text-shadow: 0 0 14px rgba(249, 115, 22, 0.35), 0 2px 10px rgba(0, 0, 0, 0.35);
}

.footer-copyright {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.72);
    text-shadow: 0 1px 0 rgba(0, 0, 0, 0.25);
}

/* Beian */
.footer-beian {
    font-size: 0.8rem;
    line-height: 1.8;
    opacity: 0.9;
    color: rgba(255, 255, 255, 0.68);
}

.footer-beian a:hover {
    color: #fb7185 !important;
    text-decoration: underline !important;
    text-shadow: 0 0 16px rgba(251, 113, 133, 0.35);
}

.footer-beian img {
    margin-inline-end: 4px;
    transition: transform 200ms cubic-bezier(0.2, 0.9, 0.2, 1), filter 200ms cubic-bezier(0.2, 0.9, 0.2, 1), opacity 200ms cubic-bezier(0.2, 0.9, 0.2, 1);
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.35));
    opacity: 0.95;
}

.footer-beian a:hover img {
    transform: scale(1.2);
    filter: drop-shadow(0 10px 22px rgba(251, 113, 133, 0.35));
    opacity: 1;
}

.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: #22c55e;
    box-shadow:
        0 0 0 3px rgba(34, 197, 94, 0.16),
        0 10px 30px rgba(0, 0, 0, 0.18);
}

.btn-primary {
    background-color: #111827;
    border-color: rgba(255, 255, 255, 0.14);
    color: rgba(255, 255, 255, 0.95);
    border-radius: 4px;
    box-shadow:
        0 10px 22px rgba(0, 0, 0, 0.26),
        0 2px 0 rgba(255, 255, 255, 0.05) inset;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #1f2937;
    border-color: rgba(255, 255, 255, 0.22);
    box-shadow:
        0 16px 34px rgba(0, 0, 0, 0.32),
        0 2px 0 rgba(255, 255, 255, 0.06) inset;
}

.input-group-text {
    background-color: rgba(17, 24, 39, 0.65);
    border-color: rgba(255, 255, 255, 0.14);
    color: rgba(255, 255, 255, 0.78);
    border-radius: 3px;
    box-shadow:
        0 6px 16px rgba(0, 0, 0, 0.18),
        0 1px 0 rgba(255, 255, 255, 0.05) inset;
}

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