:root{
    --color-primary:#3b82f6;
    --color-primary-dark:#1a4aa8;
    --color-primary-darker:#0f2a5c;
    --color-accent:#22c55e;
    --color-accent-dark:#16a34a;
    --color-success:#10b981;
    --color-danger:#ef4444;

    --color-text:#1f2937;
    --color-text-muted:#4b5563;
    --color-text-light:#6b7280;
    --color-bg:#0b1220;
    --color-bg-soft:#0f172a;
    --color-bg-muted:#0c162a;
    --color-border:#1f2a44;
    --color-border-soft:#16213a;

    --gradient-hero:linear-gradient(135deg,#0b1220 0%,#1e293b 45%,#3b82f6 100%);
    --gradient-deep:linear-gradient(135deg,#070b14 0%,#0f172a 45%,#1d4ed8 120%);
    --gradient-dept:linear-gradient(135deg,#0b1220 0%,#312e81 55%,#3b82f6 100%);
    --gradient-security:linear-gradient(135deg,#0f172a 0%,#0b1220 55%,#1e3a8a 120%);
    --gradient-mission:linear-gradient(135deg,#0a2540 0%,#1d4ed8 55%,#312e81 100%);
    --gradient-trust:linear-gradient(135deg,#0b1220 0%,#0f172a 40%,#1e40af 110%);
    --gradient-cta:linear-gradient(135deg,#0b1220 0%,#1d4ed8 55%,#3b82f6 120%);
    --gradient-accent:linear-gradient(135deg,#22c55e 0%,#3b82f6 60%,#1e40af 120%);
    --gradient-icon:linear-gradient(135deg,#60a5fa 0%,#3b82f6 55%,#1e3a8a 120%);

    --glass-bg:rgba(17,24,39,.58);
    --glass-border:rgba(148,163,184,.22);
    --glass-blur:blur(12px);

    --shadow-sm:0 1px 0 rgba(255,255,255,.03),0 10px 20px rgba(0,0,0,.22);
    --shadow-md:0 1px 0 rgba(255,255,255,.03),0 14px 30px rgba(2,6,23,.35);
    --shadow-lg:0 1px 0 rgba(255,255,255,.04),0 20px 40px rgba(2,6,23,.42);
    --shadow-xl:0 1px 0 rgba(255,255,255,.05),0 26px 60px rgba(2,6,23,.48);

    --shadow-primary:0 1px 0 rgba(255,255,255,.04),0 16px 34px rgba(59,130,246,.26),0 0 0 1px rgba(59,130,246,.18);
    --shadow-accent:0 1px 0 rgba(255,255,255,.04),0 14px 28px rgba(34,197,94,.22),0 0 0 1px rgba(34,197,94,.16);

    --radius-sm:4px;
    --radius-md:6px;
    --radius-lg:8px;
    --radius-pill:999px;

    --space-xs:.45rem;
    --space-sm:.85rem;
    --space-md:1.1rem;
    --space-lg:1.35rem;
    --space-xl:2.1rem;
    --space-2xl:3.1rem;

    --transition-fast:.18s cubic-bezier(.2,.8,.2,1);
    --transition-base:.24s cubic-bezier(.2,.8,.2,1);
    --transition-slow:.38s cubic-bezier(.2,.8,.2,1);
}

:where(body){
    color:var(--color-text);
    background:radial-gradient(1200px 700px at 20% -10%,rgba(59,130,246,.22) 0%,rgba(59,130,246,0) 60%),
               radial-gradient(900px 600px at 95% 10%,rgba(34,197,94,.14) 0%,rgba(34,197,94,0) 55%),
               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 1px 0 rgba(255,255,255,.04),0 16px 34px rgba(2,6,23,.32);
}

.icon-circle{
    width:60px;
    height:60px;
    background:var(--gradient-icon);
    border-radius:var(--radius-pill);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    color:#eaf2ff;
    font-size:1.5rem;
    flex-shrink:0;
    box-shadow:0 1px 0 rgba(255,255,255,.06),0 16px 30px rgba(59,130,246,.28);
}

.header{
    background:linear-gradient(180deg,rgba(255,255,255,.98) 0%,rgba(255,255,255,.95) 100%);
    z-index:1030;
    box-shadow:0 1px 0 rgba(15,23,42,.08),0 10px 24px rgba(2,6,23,.10);
    border-bottom:1px solid rgba(30,41,59,.12);
}

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

.header .navbar-brand:hover img{
    transform:scale(1.05);
}

.header .nav-link{
    font-weight:500;
    color:rgba(15,23,42,.78);
    transition:color var(--transition-fast), opacity var(--transition-fast);
}

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

.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,.06);
}

.hero-section::before{
    content:'';
    position:absolute;
    inset:0;
    background:linear-gradient(180deg,rgba(2,6,23,.10) 0%,rgba(2,6,23,.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 2px 0 rgba(2,6,23,.10),0 18px 40px rgba(0,0,0,.22);
}

.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 26px rgba(0,0,0,.18);
}

.hero-section .lead{
    font-size:1.1rem;
    max-width:700px;
    margin-inline:auto;
    opacity:.95;
    text-shadow:0 10px 26px rgba(0,0,0,.14);
}

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

.notice-bar{
    animation:noticeSlideIn .46s cubic-bezier(.2,.9,.2,1);
}

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

.notice-bar a:hover{
    opacity:.88;
    color:var(--color-primary);
}

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

.breadcrumb-nav{
    background:linear-gradient(180deg,rgba(15,23,42,.84) 0%,rgba(15,23,42,.72) 100%);
    border-bottom:1px solid rgba(148,163,184,.16);
}

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

.breadcrumb-nav .breadcrumb-item a:hover{
    color:#60a5fa !important;
    opacity:.98;
}

.why-us-section{
    background:linear-gradient(180deg,var(--color-bg-soft) 0%,rgba(15,23,42,.98) 100%);
}

.whyus-card{
    background:linear-gradient(180deg,rgba(255,255,255,.96) 0%,rgba(248,250,252,.92) 100%);
    border:1px solid rgba(148,163,184,.22);
    border-radius:var(--radius-lg);
    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 1px 0 rgba(255,255,255,.6),0 12px 26px rgba(2,6,23,.12);
}

.whyus-card:hover{
    transform:translateY(-5px);
    box-shadow:0 1px 0 rgba(255,255,255,.65),0 18px 40px rgba(2,6,23,.18),0 0 0 1px rgba(59,130,246,.18);
    border-color:rgba(59,130,246,.32);
    background:linear-gradient(180deg,rgba(255,255,255,.98) 0%,rgba(237,246,255,.92) 100%);
}

.about-section{
    background:var(--gradient-deep);
    color:#fff;
    box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}

.about-img-wrap{
    overflow:hidden;
    border-radius:var(--radius-lg);
    box-shadow:0 1px 0 rgba(255,255,255,.06),0 22px 50px rgba(0,0,0,.22);
}

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

.about-img-wrap:hover img{
    transform:scale(1.05);
    filter:saturate(1.08) contrast(1.06);
}

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

.about-card:hover{
    transform:translateY(-3px);
    background:rgba(255,255,255,.10);
    box-shadow:0 1px 0 rgba(255,255,255,.05),0 18px 44px rgba(0,0,0,.24);
}

.text-white-75{
    color:rgba(255,255,255,.82) !important;
    text-shadow:0 10px 26px rgba(0,0,0,.18);
}

.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(0,0,0,.18);
}

.departments-subtitle{
    font-size:1.05rem;
    max-width:800px;
    margin-inline:auto;
    color:rgba(226,232,240,.92);
    text-shadow:0 12px 28px rgba(0,0,0,.14);
}

.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(15,23,42,.55) 0%,rgba(15,23,42,.40) 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(148,163,184,.18);
    box-shadow:0 1px 0 rgba(255,255,255,.04),0 16px 36px rgba(0,0,0,.22);
}

.d-num{
    font-size:1.5rem;
    font-weight:700;
    color:#60a5fa;
    margin-bottom:var(--space-xs);
    text-shadow:0 10px 26px rgba(0,0,0,.22);
}

.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);
    box-shadow:0 1px 0 rgba(255,255,255,.06),0 18px 44px rgba(2,6,23,.26);
}

.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:radial-gradient(closest-side at 30% 25%,rgba(255,255,255,.22) 0%,rgba(255,255,255,0) 55%),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:rgba(15,23,42,.92);
    font-weight:700;
    box-shadow:0 1px 0 rgba(255,255,255,.08),0 24px 58px rgba(59,130,246,.20),0 0 0 1px rgba(59,130,246,.18);
}

.node{
    background:linear-gradient(180deg,rgba(17,24,39,.58) 0%,rgba(17,24,39,.40) 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), background var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base);
    border:1px solid rgba(148,163,184,.18);
    box-shadow:0 1px 0 rgba(255,255,255,.04),0 16px 36px rgba(0,0,0,.20);
}

.node:hover{
    transform:scale(1.05);
    background:rgba(255,255,255,.10);
    border-color:rgba(96,165,250,.30);
    box-shadow:0 1px 0 rgba(255,255,255,.06),0 22px 52px rgba(0,0,0,.28),0 0 0 1px rgba(96,165,250,.18);
}

.node-title{
    font-weight:600;
    color:#60a5fa;
    margin-block:var(--space-xs);
    text-shadow:0 12px 30px rgba(0,0,0,.22);
}

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

.honor-section{
    background:linear-gradient(180deg,rgba(15,23,42,.98) 0%,rgba(2,6,23,.92) 100%);
}

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

.honor-text-card{
    padding:var(--space-md);
    background:linear-gradient(180deg,rgba(255,255,255,.96) 0%,rgba(248,250,252,.90) 100%);
    border-radius:var(--radius-md);
    border-inline-start:4px solid #3b82f6;
    transition:transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border:1px solid rgba(148,163,184,.20);
    box-shadow:0 1px 0 rgba(255,255,255,.6),0 14px 30px rgba(2,6,23,.14);
}

.honor-text-card:hover{
    transform:translateY(-3px);
    box-shadow:0 1px 0 rgba(255,255,255,.65),0 22px 52px rgba(2,6,23,.22),0 0 0 1px rgba(59,130,246,.20);
    border-inline-start-color:#60a5fa;
    background:linear-gradient(180deg,rgba(255,255,255,.99) 0%,rgba(237,246,255,.92) 100%);
}

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

.mission-list li{
    margin-bottom:var(--space-sm);
    color:rgba(226,232,240,.92);
    text-shadow:0 12px 26px rgba(0,0,0,.14);
}

.stats-section{
    background:linear-gradient(180deg,rgba(255,255,255,.02) 0%,rgba(255,255,255,.01) 100%);
}

.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,rgba(15,23,42,.62) 0%,rgba(15,23,42,.48) 100%);
    border:1px solid rgba(148,163,184,.18);
    box-shadow:0 1px 0 rgba(255,255,255,.04),0 16px 36px rgba(0,0,0,.20);
}

.stats-card:hover{
    transform:translateY(-5px);
    box-shadow:0 1px 0 rgba(255,255,255,.06),0 24px 58px rgba(0,0,0,.28),0 0 0 1px rgba(59,130,246,.18);
    background:linear-gradient(135deg,rgba(255,255,255,.10) 0%,rgba(96,165,250,.10) 100%);
    border-color:rgba(59,130,246,.26);
}

.stats-card h3{
    font-variant-numeric:tabular-nums;
    color:#93c5fd;
    text-shadow:0 12px 26px rgba(0,0,0,.16);
}

.news-section{
    background:linear-gradient(180deg,rgba(15,23,42,.98) 0%,rgba(2,6,23,.90) 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 rgba(148,163,184,.18);
    background:linear-gradient(180deg,rgba(15,23,42,.46) 0%,rgba(15,23,42,.34) 100%);
    box-shadow:0 1px 0 rgba(255,255,255,.04),0 14px 30px rgba(0,0,0,.18);
}

.news-card:hover{
    transform:translateY(-5px);
    box-shadow:0 1px 0 rgba(255,255,255,.06),0 26px 64px rgba(0,0,0,.30),0 0 0 1px rgba(59,130,246,.18);
    border-color:rgba(96,165,250,.30);
    background:linear-gradient(180deg,rgba(17,24,39,.55) 0%,rgba(17,24,39,.40) 100%);
}

.news-img-wrap{
    height:200px;
    overflow:hidden;
    position:relative;
    border-bottom:1px solid rgba(148,163,184,.14);
}

.news-img-wrap img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform var(--transition-slow), filter var(--transition-slow);
    filter:saturate(1.02) contrast(1.02) brightness(.98);
}

.news-card:hover .news-img-wrap img{
    transform:scale(1.08);
    filter:saturate(1.08) contrast(1.08) brightness(1.02);
}

.matches-section{
    background:linear-gradient(180deg,rgba(15,23,42,.98) 0%,rgba(2,6,23,.92) 100%);
}

.match-card{
    transition:transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), background var(--transition-base);
    border:1px solid rgba(148,163,184,.18);
    background:linear-gradient(180deg,rgba(15,23,42,.44) 0%,rgba(15,23,42,.30) 100%);
    box-shadow:0 1px 0 rgba(255,255,255,.04),0 14px 30px rgba(0,0,0,.18);
}

.match-card:hover{
    transform:translateY(-3px);
    box-shadow:0 1px 0 rgba(255,255,255,.06),0 20px 46px rgba(0,0,0,.26),0 0 0 1px rgba(59,130,246,.18);
    border-color:rgba(96,165,250,.55);
    background:linear-gradient(180deg,rgba(17,24,39,.56) 0%,rgba(17,24,39,.38) 100%);
}

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

.match-card .team .small{
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
    color:rgba(226,232,240,.92);
}

.match-card .score{
    font-variant-numeric:tabular-nums;
    color:#93c5fd;
    text-shadow:0 10px 24px rgba(0,0,0,.18);
}

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

.trust-card{
    background:linear-gradient(180deg,rgba(17,24,39,.54) 0%,rgba(17,24,39,.38) 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(148,163,184,.18);
    box-shadow:0 1px 0 rgba(255,255,255,.04),0 22px 52px rgba(0,0,0,.26);
}

.trust-card:hover{
    transform:translateY(-3px);
    background:rgba(255,255,255,.10);
    border-color:rgba(96,165,250,.30);
    box-shadow:0 1px 0 rgba(255,255,255,.06),0 30px 72px rgba(0,0,0,.32),0 0 0 1px rgba(96,165,250,.18);
}

.partners-section{
    background:linear-gradient(180deg,rgba(15,23,42,.98) 0%,rgba(2,6,23,.92) 100%);
}

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

.partner-card:hover{
    transform:translateY(-5px);
    box-shadow:0 1px 0 rgba(255,255,255,.06),0 22px 52px rgba(0,0,0,.28),0 0 0 1px rgba(59,130,246,.18);
}

.testimonials-section{
    background:linear-gradient(180deg,rgba(255,255,255,.04) 0%,rgba(255,255,255,.02) 100%);
}

.testimonial-card{
    transition:transform var(--transition-base), box-shadow var(--transition-base), border-color var(--transition-base), border-block-start-color var(--transition-base);
    border-block-start:4px solid transparent;
    border-radius:var(--radius-md);
    background:linear-gradient(180deg,rgba(15,23,42,.46) 0%,rgba(15,23,42,.30) 100%);
    border:1px solid rgba(148,163,184,.16);
    box-shadow:0 1px 0 rgba(255,255,255,.04),0 14px 30px rgba(0,0,0,.16);
}

.testimonial-card:hover{
    border-block-start-color:#3b82f6;
    transform:translateY(-5px);
    box-shadow:0 1px 0 rgba(255,255,255,.06),0 24px 58px rgba(0,0,0,.28),0 0 0 1px rgba(59,130,246,.18);
    background:linear-gradient(180deg,rgba(17,24,39,.56) 0%,rgba(17,24,39,.40) 100%);
}

.cta-banner-section{
    background:linear-gradient(135deg,#0b1220 0%,#1d4ed8 55%,#3b82f6 120%);
    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:linear-gradient(180deg,rgba(2,6,23,.08) 0%,rgba(2,6,23,.26) 100%);
    z-index:0;
}

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

.cta-banner-section .btn-warning{
    box-shadow:0 1px 0 rgba(255,255,255,.06),0 16px 34px rgba(59,130,246,.22),0 0 0 1px rgba(59,130,246,.18);
    border-color:rgba(96,165,250,.28);
    filter:saturate(1.02);
}

.text-white-75{
    color:rgba(255,255,255,.86) !important;
    text-shadow:0 12px 28px rgba(0,0,0,.18);
}

.footer{
    font-size:0.9rem;
    color:rgba(226,232,240,.78);
    text-shadow:0 10px 26px rgba(0,0,0,.10);
}

.footer a {
    transition: color 140ms cubic-bezier(0.2, 0.8, 0.2, 1);
    color: #334155;
}
.footer a:hover {
    color: #3b82f6 !important;
}

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

.footer-beian {
    font-size: 0.8rem;
    line-height: 1.8;
    opacity: 0.82;
    color: #475569;
}

.footer-beian a:hover {
    color: #3b82f6 !important;
    text-decoration: underline !important;
}

.footer-beian img {
    margin-inline-end: 4px;
    transition: transform 180ms cubic-bezier(0.2, 0.8, 0.2, 1);
    filter: saturate(1.05) contrast(1.02);
}

.footer-beian a:hover img {
    transform: scale(1.16);
}

.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: #3b82f6;
    box-shadow:
        0 0 0 1px rgba(59, 130, 246, 0.25),
        0 0 0 0.2rem rgba(59, 130, 246, 0.16);
}

.btn-primary {
    background-color: #3b82f6;
    border-color: #3b82f6;
    color: #ffffff;
    box-shadow:
        0 1px 0 rgba(15, 23, 42, 0.06),
        0 10px 24px rgba(59, 130, 246, 0.18);
    border-radius: 4px;
    transition: background-color 160ms cubic-bezier(0.2, 0.8, 0.2, 1), border-color 160ms cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 160ms cubic-bezier(0.2, 0.8, 0.2, 1);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #2563eb;
    border-color: #2563eb;
    box-shadow:
        0 1px 0 rgba(15, 23, 42, 0.06),
        0 14px 30px rgba(37, 99, 235, 0.22);
}

.input-group-text {
    background-color: #f1f5f9;
    border-color: #cbd5e1;
    color: #334155;
    border-radius: 4px;
}

/* ============================================
   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: 1rem;
}

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

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

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

/* 数据统计 (默认 4 列) */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    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: 1.25rem;
    align-items: center;
}
.hero-split-text { }
.hero-split-img { text-align: center; }

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

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

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

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

/* 相关文章 (默认 3 列) */
.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

/* 赛事列表 (默认 3 列) */
.matches-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

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

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

/* 荣誉列表 (默认 2 列交替) */
.honor-list {
    display: flex;
    flex-direction: column;
    gap: 2.25rem;
}
.honor-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    align-items: center;
}
.honor-row-reverse {
    direction: rtl;
}
.honor-row-reverse > * {
    direction: ltr;
}

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

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

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

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

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

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

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

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