:root{
    --color-primary:#7c3aed;
    --color-primary-dark:#2e1065;
    --color-primary-darker:#160a33;
    --color-accent:#f59e0b;
    --color-accent-dark:#d97706;
    --color-success:#22c55e;
    --color-danger:#ef4444;

    --color-text:#e5e7eb;
    --color-text-muted:#a1a1aa;
    --color-text-light:#cbd5e1;

    --color-bg:#0f0f1a;
    --color-bg-soft:#141423;
    --color-bg-muted:#10101d;
    --color-border:#2a2a3d;
    --color-border-soft:#2a2a3d;

    --gradient-hero:radial-gradient(1200px 600px at 50% 0%,rgba(245,158,11,0.28) 0%,rgba(124,58,237,0.18) 35%,rgba(15,15,26,0) 70%),linear-gradient(135deg,#0b0b14 0%,#2b0a5b 45%,#7c3aed 100%);
    --gradient-deep:linear-gradient(135deg,#0b0b14 0%,#1a1035 40%,#2b0a5b 100%);
    --gradient-dept:linear-gradient(135deg,#3b1b6d 0%,#6d28d9 55%,#2b0a5b 100%);
    --gradient-security:linear-gradient(135deg,#1f114a 0%,#0f0f1a 65%,#2b0a5b 100%);
    --gradient-mission:linear-gradient(135deg,#1f114a 0%,#2b0a5b 45%,#3b1b6d 100%);
    --gradient-trust:linear-gradient(135deg,#0f0f1a 0%,#24114f 55%,#3b1b6d 100%);
    --gradient-cta:linear-gradient(135deg,#0f0f1a 0%,#2b0a5b 45%,#7c3aed 100%);
    --gradient-accent:linear-gradient(135deg,#f59e0b 0%,#7c3aed 100%);
    --gradient-icon:linear-gradient(135deg,#f59e0b 0%,#7c3aed 60%,#22c55e 120%);

    --glass-bg:rgba(20,20,35,0.72);
    --glass-border:rgba(245,158,11,0.25);
    --glass-blur:blur(8px);

    --shadow-sm:4px 4px 0 rgba(124,58,237,0.35),2px 8px 18px rgba(0,0,0,0.35);
    --shadow-md:4px 4px 0 rgba(245,158,11,0.35),6px 14px 28px rgba(0,0,0,0.45);
    --shadow-lg:4px 4px 0 rgba(124,58,237,0.42),10px 22px 45px rgba(0,0,0,0.55);
    --shadow-xl:4px 4px 0 rgba(245,158,11,0.45),14px 28px 60px rgba(0,0,0,0.62);
    --shadow-primary:4px 4px 0 rgba(124,58,237,0.55),0 16px 40px rgba(124,58,237,0.22),0 2px 0 rgba(255,255,255,0.04) inset;
    --shadow-accent:4px 4px 0 rgba(245,158,11,0.55),0 16px 36px rgba(245,158,11,0.18),0 2px 0 rgba(255,255,255,0.04) inset;

    --radius-sm:2px;
    --radius-md:3px;
    --radius-lg:4px;
    --radius-pill:0px;

    --space-xs:0.5rem;
    --space-sm:1rem;
    --space-md:1.5rem;
    --space-lg:2rem;
    --space-xl:5rem;
    --space-2xl:7rem;

    --transition-fast:0.15s steps(1,end);
    --transition-base:0.18s cubic-bezier(.2,.9,.2,1);
    --transition-slow:0.35s cubic-bezier(.2,.9,.2,1);
}

:where(body){
    color:var(--color-text);
    background:linear-gradient(180deg,#0f0f1a 0%,#0b0b14 55%,#0f0f1a 100%);
    line-height:1.6;
    -webkit-font-smoothing:antialiased;
    caret-color:var(--color-accent);
    accent-color:var(--color-primary);
}

: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:2px solid var(--glass-border);
    box-shadow:4px 4px 0 rgba(124,58,237,0.25),0 18px 40px rgba(0,0,0,0.4);
}

.icon-circle{
    width:60px;
    height:60px;
    background:linear-gradient(135deg,rgba(245,158,11,0.95) 0%,rgba(124,58,237,0.95) 55%,rgba(34,197,94,0.9) 120%);
    border-radius:0px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    color:#0b0b14;
    font-size:1.5rem;
    flex-shrink:0;
    box-shadow:4px 4px 0 rgba(0,0,0,0.35),0 18px 38px rgba(124,58,237,0.25);
    text-shadow:0 1px 0 rgba(255,255,255,0.25);
}

.header{
    background:rgba(15,15,26,0.92);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    border-bottom:3px solid rgba(245,158,11,0.28);
    z-index:1030;
    box-shadow:0 10px 30px rgba(0,0,0,0.55);
}

.header .navbar-brand img{
    transition:transform 0.15s steps(1,end),filter 0.15s cubic-bezier(.2,.9,.2,1);
    filter:drop-shadow(4px 4px 0 rgba(245,158,11,0.22));
}

.header .navbar-brand:hover img{
    transform:scale(1.05);
    filter:drop-shadow(6px 6px 0 rgba(124,58,237,0.25));
}

.header .nav-link{
    font-weight:500;
    color:rgba(229,231,235,0.92);
    transition:color 0.15s steps(1,end),text-shadow 0.18s cubic-bezier(.2,.9,.2,1);
    text-shadow:0 1px 0 rgba(0,0,0,0.35);
}

.header .nav-link:hover{
    color:var(--color-accent);
    text-shadow:4px 4px 0 rgba(124,58,237,0.35);
}

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

.hero-section::before{
    content:'';
    position:absolute;
    inset:0;
    background:radial-gradient(900px 500px at 50% 10%,rgba(245,158,11,0.18) 0%,rgba(0,0,0,0) 55%),linear-gradient(180deg,rgba(0,0,0,0.22) 0%,rgba(0,0,0,0.38) 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:4px 4px 0 rgba(0,0,0,0.35),0 18px 40px rgba(0,0,0,0.55);
}

.hero-section h2{
    font-size:clamp(1.1rem,2vw,1.4rem);
    opacity:0.95;
    margin-bottom:var(--space-md);
    font-weight:500;
    color:rgba(255,255,255,0.92);
    text-shadow:3px 3px 0 rgba(124,58,237,0.25);
}

.hero-section .lead{
    font-size:1.1rem;
    max-width:700px;
    margin-inline:auto;
    opacity:0.98;
    color:rgba(255,255,255,0.9);
    text-shadow:0 10px 30px rgba(0,0,0,0.35);
}

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

.notice-bar{
    animation:noticeSlideIn 0.35s steps(1,end);
}

.notice-bar a{
    transition:opacity 0.15s steps(1,end),transform 0.15s steps(1,end);
}

.notice-bar a:hover{
    opacity:0.85;
    transform:translateY(-1px);
}

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

.breadcrumb-nav{
    background:linear-gradient(180deg,rgba(20,20,35,0.95) 0%,rgba(16,16,29,0.95) 100%);
    border-top:2px solid rgba(245,158,11,0.18);
    border-bottom:2px solid rgba(124,58,237,0.18);
}

.breadcrumb-nav .breadcrumb-item a{
    transition:color 0.15s steps(1,end),text-shadow 0.18s cubic-bezier(.2,.9,.2,1);
    color:rgba(229,231,235,0.9);
    text-shadow:0 1px 0 rgba(0,0,0,0.35);
}

.breadcrumb-nav .breadcrumb-item a:hover{
    color:var(--color-primary-accent, var(--color-primary-dark)) !important;
    text-shadow:4px 4px 0 rgba(245,158,11,0.35);
}

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

.whyus-card{
    background:rgba(20,20,35,0.86);
    border:3px solid rgba(245,158,11,0.18);
    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:4px 4px 0 rgba(124,58,237,0.22),0 18px 40px rgba(0,0,0,0.45);
}

.whyus-card:hover{
    transform:translateY(-5px);
    box-shadow:var(--shadow-md);
    border-color:rgba(245,158,11,0.38);
    background:rgba(20,20,35,0.96);
}

.about-section{
    background:var(--gradient-deep);
    color:#fff;
    text-shadow:0 18px 45px rgba(0,0,0,0.55);
}

.about-img-wrap{
    overflow:hidden;
    border-radius:var(--radius-lg);
    border:3px solid rgba(245,158,11,0.22);
    box-shadow:4px 4px 0 rgba(124,58,237,0.22),0 18px 45px rgba(0,0,0,0.55);
}

.about-img-wrap img{
    transition:transform 0.28s cubic-bezier(.2,.9,.2,1),filter 0.28s cubic-bezier(.2,.9,.2,1);
    filter:contrast(1.05) saturate(1.05);
}

.about-img-wrap:hover img{
    transform:scale(1.05);
    filter:contrast(1.1) saturate(1.15);
}

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

.about-card:hover{
    transform:translateY(-3px);
    background:rgba(255,255,255,0.08);
    box-shadow:var(--shadow-sm);
}

.text-white-75{
    color:rgba(255,255,255,0.78) !important;
    text-shadow:0 1px 0 rgba(0,0,0,0.35);
}

.departments-section{
    background:var(--gradient-dept);
    color:#fff;
    text-align:center;
}

.departments-title{
    font-size:clamp(1.6rem,3vw,2.2rem);
    font-weight:700;
    margin-bottom:var(--space-sm);
    text-shadow:4px 4px 0 rgba(0,0,0,0.35),0 22px 50px rgba(0,0,0,0.55);
}

.departments-subtitle{
    font-size:1.05rem;
    max-width:800px;
    margin-inline:auto;
    color:rgba(255,255,255,0.86);
}

.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:rgba(20,20,35,0.66);
    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(124,58,237,0.26);
    box-shadow:4px 4px 0 rgba(0,0,0,0.35),0 18px 45px rgba(0,0,0,0.5);
    text-align:center;
    transition:transform var(--transition-base),box-shadow var(--transition-base),border-color var(--transition-base),background var(--transition-base);
}

.d-num{
    font-size:1.5rem;
    font-weight:700;
    color:var(--color-accent);
    margin-bottom:var(--space-xs);
    text-shadow:4px 4px 0 rgba(0,0,0,0.35);
}

.d-num span{
    color:#fff;
    font-size:1.1rem;
    margin-inline-start:var(--space-xs);
    opacity:0.92;
}

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

.d-image img{
    width:100%;
    border-radius:var(--radius-md);
    border:2px solid rgba(245,158,11,0.22);
    box-shadow:4px 4px 0 rgba(124,58,237,0.22),0 14px 35px rgba(0,0,0,0.45);
}

.security-section{
    background:var(--gradient-security);
    color:#fff;
    text-align:center;
}

.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:rgba(22,10,51,0.96);
    font-weight:700;
    box-shadow:4px 4px 0 rgba(0,0,0,0.35),0 26px 70px rgba(245,158,11,0.25);
    border:3px solid rgba(255,255,255,0.14);
    text-shadow:0 1px 0 rgba(255,255,255,0.25);
}

.node{
    background:rgba(20,20,35,0.6);
    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:2px solid rgba(245,158,11,0.18);
    box-shadow:4px 4px 0 rgba(0,0,0,0.35),0 18px 45px rgba(0,0,0,0.45);
}

.node:hover{
    transform:scale(1.05);
    background:rgba(255,255,255,0.09);
    box-shadow:var(--shadow-sm);
    border-color:rgba(124,58,237,0.32);
}

.node-title{
    font-weight:600;
    color:var(--color-accent);
    margin-block:var(--space-xs);
    text-shadow:3px 3px 0 rgba(0,0,0,0.35);
}

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

.honor-section{
    background:linear-gradient(180deg,var(--color-bg-soft) 0%,var(--color-bg-muted) 100%);
}

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

.honor-text-card{
    padding:var(--space-md);
    background:rgba(20,20,35,0.88);
    border-radius:var(--radius-md);
    border-inline-start:3px solid var(--color-accent);
    transition:transform var(--transition-base),box-shadow var(--transition-base),background var(--transition-base),border-color var(--transition-base);
    border-top:2px solid rgba(124,58,237,0.18);
    border-right:2px solid rgba(124,58,237,0.10);
    border-bottom:2px solid rgba(0,0,0,0.2);
    box-shadow:4px 4px 0 rgba(0,0,0,0.35);
    color:rgba(255,255,255,0.92);
}

.honor-text-card:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-md);
    background:rgba(20,20,35,0.98);
}

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

.mission-list li{
    margin-bottom:var(--space-sm);
    color:rgba(226,232,240,0.92);
    text-shadow:0 1px 0 rgba(0,0,0,0.35);
}

.stats-section{
    background:linear-gradient(180deg,#0f0f1a 0%,var(--color-bg-muted) 100%);
}

.stats-card{
    transition:transform var(--transition-base),box-shadow var(--transition-base),background var(--transition-base),border-color var(--transition-base);
    background:rgba(20,20,35,0.8);
    border:2px solid rgba(124,58,237,0.18);
    box-shadow:4px 4px 0 rgba(0,0,0,0.35);
}

.stats-card:hover{
    transform:translateY(-5px);
    box-shadow:var(--shadow-md);
    background:linear-gradient(135deg,rgba(255,255,255,0.08) 0%,rgba(245,158,11,0.08) 55%,rgba(124,58,237,0.14) 100%);
    border-color:rgba(245,158,11,0.28);
}

.stats-card h3{
    font-variant-numeric:tabular-nums;
    color:rgba(245,158,11,0.95);
    text-shadow:4px 4px 0 rgba(0,0,0,0.35);
}

.news-section{
    background:linear-gradient(180deg,var(--color-bg-soft) 0%,var(--color-bg-muted) 100%);
}

.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(124,58,237,0.18);
    background:rgba(20,20,35,0.78);
    box-shadow:4px 4px 0 rgba(0,0,0,0.35);
}

.news-card:hover{
    transform:translateY(-5px);
    box-shadow:var(--shadow-lg);
    border-color:rgba(245,158,11,0.32);
    background:rgba(20,20,35,0.96);
}

.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(1.05);
}

.news-card:hover .news-img-wrap img{
    transform:scale(1.08);
    filter:saturate(1.2) contrast(1.12);
}

.matches-section{
    background:linear-gradient(180deg,var(--color-bg-soft) 0%,var(--color-bg-muted) 100%);
}

.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(124,58,237,0.18);
    background:rgba(20,20,35,0.78);
    box-shadow:4px 4px 0 rgba(0,0,0,0.35);
}

.match-card:hover{
    transform:translateY(-3px);
    box-shadow:var(--shadow-md);
    border-color:rgba(245,158,11,0.55);
    background:rgba(20,20,35,0.96);
}

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

.match-card .team .small{
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
    color:rgba(255,255,255,0.9);
}

.match-card .score{
    font-variant-numeric:tabular-nums;
    color:rgba(245,158,11,0.98);
    text-shadow:4px 4px 0 rgba(0,0,0,0.35);
}

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

.trust-card{
    background:rgba(20,20,35,0.65);
    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(245,158,11,0.18);
    box-shadow:4px 4px 0 rgba(0,0,0,0.35),0 22px 55px rgba(0,0,0,0.5);
}

.trust-card:hover{
    transform:translateY(-3px);
    background:rgba(255,255,255,0.08);
    box-shadow:var(--shadow-sm);
    border-color:rgba(124,58,237,0.30);
}

.partners-section{
    background:linear-gradient(180deg,var(--color-bg-soft) 0%,var(--color-bg-muted) 100%);
}

.partner-card{
    transition:transform var(--transition-base),box-shadow var(--transition-base),background var(--transition-base),border-color var(--transition-base);
    border:2px solid transparent;
}

.partner-card:hover{
    transform:translateY(-5px);
    box-shadow:var(--shadow-primary);
}

.testimonials-section{
    background:linear-gradient(180deg,#0f0f1a 0%,var(--color-bg-muted) 100%);
}

.testimonial-card{
    transition:transform var(--transition-base),box-shadow var(--transition-base),border-color var(--transition-base);
    border-block-start:4px solid transparent;
    background:rgba(20,20,35,0.78);
    box-shadow:4px 4px 0 rgba(0,0,0,0.35);
    border:2px solid rgba(124,58,237,0.14);
}

.testimonial-card:hover{
    border-block-start-color:rgba(245,158,11,0.95);
    transform:translateY(-5px);
    box-shadow:var(--shadow-md);
    border-color:rgba(245,158,11,0.22);
}

.cta-banner-section{
    background:var(--gradient-cta);
    color:#fff;
    position:relative;
    overflow:hidden;
    text-align:center;
    border-top:3px solid rgba(245,158,11,0.25);
    border-bottom:3px solid rgba(124,58,237,0.25);
}

.cta-banner-section::before{
    content:'';
    position:absolute;
    inset:0;
    background:
        radial-gradient(800px 420px at 50% 10%,rgba(245,158,11,0.22) 0%,rgba(0,0,0,0) 60%),
        rgba(0,0,0,0.28);
    z-index:0;
}

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

.cta-banner-section .btn-warning{
    box-shadow:4px 4px 0 rgba(0,0,0,0.35),0 18px 45px rgba(245,158,11,0.25);
    border:2px solid rgba(255,255,255,0.18);
    transition:transform 0.15s steps(1,end),box-shadow 0.18s cubic-bezier(.2,.9,.2,1),filter 0.18s cubic-bezier(.2,.9,.2,1);
}

.text-white-75{
    color:rgba(255,255,255,0.85) !important;
    text-shadow:0 1px 0 rgba(0,0,0,0.35);
}

.footer{
    font-size:0.9rem;
    color:rgba(203,213,225,0.78);
    text-shadow:0 1px 0 rgba(0,0,0,0.35);
    border-top:2px solid rgba(124,58,237,0.18);
    background:linear-gradient(180deg,rgba(15,15,26,0.2) 0%,rgba(15,15,26,0.85) 100%);
    padding-block:1.25rem;
}

.footer a {
    transition: color 0.15s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.15s cubic-bezier(0.2, 0.8, 0.2, 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: 0.9;
    color: rgba(233, 222, 199, 0.92);
}

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

.footer-beian img {
    margin-inline-end: 4px;
    transition: transform 0.15s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.15s cubic-bezier(0.2, 0.8, 0.2, 1);
    border-radius: 2px;
    filter: drop-shadow(4px 4px 0 rgba(120, 86, 44, 0.35));
}

.footer-beian a:hover img {
    transform: scale(1.2) rotate(-0.5deg);
    filter: drop-shadow(5px 5px 0 rgba(120, 86, 44, 0.45));
}

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

/* --------------- no layout change --------------- */

@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: #c8a24a;
    box-shadow: 4px 4px 0 rgba(10, 10, 18, 0.95), 0 0 0 3px rgba(200, 162, 74, 0.18), 0 10px 30px rgba(0, 0, 0, 0.35);
    outline-color: rgba(200, 162, 74, 0.35);
    outline-style: solid;
    outline-width: 2px;
}

.btn-primary {
    background-color: #4b2a86;
    border-color: #4b2a86;
    color: #f7f1e2;
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.75), 0 14px 35px rgba(75, 42, 134, 0.28);
    border-radius: 2px;
    transition: background-color 0.15s cubic-bezier(0.2, 0.8, 0.2, 1), border-color 0.15s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.15s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.15s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #5a35a5;
    border-color: #5a35a5;
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.78), 0 18px 45px rgba(90, 53, 165, 0.33);
    transform: translate(-1px, -1px);
}

.input-group-text {
    background-color: rgba(22, 22, 36, 0.9);
    border-color: rgba(255, 230, 170, 0.14);
    color: rgba(255, 236, 196, 0.92);
    border-radius: 2px;
    box-shadow: inset 0 0 0 2px rgba(0, 0, 0, 0.25), 4px 4px 0 rgba(0, 0, 0, 0.35);
}

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