:root{
    --color-primary:#06b6d4;
    --color-primary-dark:#0b3a4a;
    --color-primary-darker:#062b33;
    --color-accent:#a78bfa;
    --color-accent-dark:#7c3aed;
    --color-success:#22c55e;
    --color-danger:#f43f5e;

    --color-text:#0f172a;
    --color-text-muted:#475569;
    --color-text-light:#94a3b8;
    --color-bg:#ffffff;
    --color-bg-soft:#fbfbff;
    --color-bg-muted:#f1f5f9;
    --color-border:#e2e8f0;
    --color-border-soft:#eef2ff;

    --gradient-hero:linear-gradient(135deg,rgba(8,145,178,1) 0%,rgba(14,116,144,1) 28%,rgba(124,58,237,1) 100%);
    --gradient-deep:linear-gradient(135deg,rgba(2,6,23,1) 0%,rgba(7,89,133,1) 55%,rgba(124,58,237,1) 100%);
    --gradient-dept:linear-gradient(135deg,rgba(29,78,216,1) 0%,rgba(124,58,237,1) 55%,rgba(2,132,199,1) 100%);
    --gradient-security:linear-gradient(135deg,#0b1220 0%,#082f39 45%,#3b1a77 100%);
    --gradient-mission:linear-gradient(135deg,rgba(2,132,199,1) 0%,rgba(59,130,246,1) 35%,rgba(124,58,237,1) 100%);
    --gradient-trust:linear-gradient(135deg,#071a2b 0%,#0b3a4a 40%,#3b1a77 100%);
    --gradient-cta:linear-gradient(135deg,rgba(2,132,199,1) 0%,rgba(124,58,237,1) 65%,rgba(167,139,250,1) 100%);
    --gradient-accent:linear-gradient(135deg,#22d3ee 0%,#a78bfa 55%,#fbbf24 100%);
    --gradient-icon:linear-gradient(135deg,rgba(6,182,212,1) 0%,rgba(124,58,237,1) 100%);

    --glass-bg:rgba(255,255,255,.10);
    --glass-border:rgba(255,255,255,.22);
    --glass-blur:blur(12px);

    --shadow-sm:0 6px 18px rgba(2,6,23,.08);
    --shadow-md:0 14px 34px rgba(2,6,23,.12);
    --shadow-lg:0 22px 55px rgba(2,6,23,.16);
    --shadow-xl:0 28px 70px rgba(2,6,23,.18);
    --shadow-primary:0 18px 42px rgba(6,182,212,.18),0 10px 25px rgba(124,58,237,.10);
    --shadow-accent:0 16px 38px rgba(167,139,250,.22),0 10px 26px rgba(6,182,212,.12);

    --radius-sm:8px;
    --radius-md:14px;
    --radius-lg:18px;
    --radius-pill:32px;

    --space-xs:.6rem;
    --space-sm:1.1rem;
    --space-md:1.65rem;
    --space-lg:2.4rem;
    --space-xl:3.2rem;
    --space-2xl:5.8rem;

    --transition-fast:.28s cubic-bezier(.2,.9,.2,1);
    --transition-base:.48s cubic-bezier(.16,.84,.2,1);
    --transition-slow:.72s cubic-bezier(.16,.84,.2,1);
}

:where(body){
    color:var(--color-text);
    background:linear-gradient(180deg,var(--color-bg) 0%,var(--color-bg-soft) 40%,var(--color-bg-muted) 100%);
    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 20px 60px rgba(2,6,23,.10);
}

.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 40px rgba(6,182,212,.22),0 10px 28px rgba(124,58,237,.14);
}

.header{
    background:linear-gradient(180deg,#ffffff 0%,#f7fbff 100%);
    z-index:1030;
    box-shadow:0 10px 30px rgba(2,6,23,.08);
}

.header .navbar-brand img{
    transition:transform var(--transition-fast),filter var(--transition-fast);
    filter:drop-shadow(0 10px 22px rgba(2,6,23,.10));
}

.header .navbar-brand:hover img{
    transform:scale(1.05) rotate(-.2deg);
    filter:drop-shadow(0 14px 28px rgba(2,6,23,.14));
}

.header .nav-link{
    font-weight:500;
    color:var(--color-text);
    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-dark);
    text-shadow:0 10px 26px rgba(6,182,212,.22);
}

.hero-section{
    min-height:480px;
    background:var(--gradient-hero);
    color:#fff;
    padding-block:var(--space-2xl);
    position:relative;
    overflow:hidden;
    box-shadow:inset 0 -80px 120px rgba(2,6,23,.18);
}

.hero-section::before{
    content:'';
    position:absolute;
    inset:0;
    background:
        radial-gradient(1000px 600px at 18% 12%,rgba(255,255,255,.22) 0%,rgba(255,255,255,0) 60%),
        radial-gradient(900px 520px at 90% 40%,rgba(167,139,250,.28) 0%,rgba(167,139,250,0) 62%),
        linear-gradient(180deg,rgba(0,0,0,.12) 0%,rgba(0,0,0,.20) 100%);
    z-index:0;
    pointer-events:none;
}

.hero-section > .container{
    position:relative;
    z-index:1;
    filter:saturate(1.08);
}

.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 18px 45px rgba(2,6,23,.25);
}

.hero-section h2{
    font-size:clamp(1.1rem,2vw,1.4rem);
    opacity:.95;
    margin-bottom:var(--space-md);
    font-weight:500;
    text-shadow:0 14px 34px rgba(2,6,23,.22);
}

.hero-section .lead{
    font-size:1.1rem;
    max-width:700px;
    margin-inline:auto;
    opacity:.95;
    text-shadow:0 12px 28px rgba(2,6,23,.18);
}

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

.notice-bar{
    animation:noticeSlideIn .62s cubic-bezier(.16,.84,.2,1);
}

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

.notice-bar a:hover{
    opacity:.88;
    transform:translateY(-1px);
}

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

.breadcrumb-nav{
    background:linear-gradient(180deg,var(--color-bg-muted) 0%,#ffffff 100%);
    box-shadow:inset 0 -1px 0 rgba(2,6,23,.06);
}

.breadcrumb-nav .breadcrumb-item a{
    transition:color var(--transition-fast),text-shadow var(--transition-fast);
    text-shadow:0 0 0 rgba(0,0,0,0);
}

.breadcrumb-nav .breadcrumb-item a:hover{
    color:var(--color-primary-dark) !important;
    text-shadow:0 14px 30px rgba(6,182,212,.20);
}

.why-us-section{
    background:linear-gradient(180deg,#ffffff 0%,#fbfbff 60%,#f1f5f9 100%);
}

.whyus-card{
    background:
        radial-gradient(900px 240px at 20% 0%,rgba(6,182,212,.10) 0%,rgba(6,182,212,0) 55%),
        radial-gradient(700px 220px at 95% 10%,rgba(167,139,250,.12) 0%,rgba(167,139,250,0) 58%),
        #ffffff;
    border:1px solid rgba(226,232,240,.9);
    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 10px 28px rgba(2,6,23,.06);
}

.whyus-card:hover{
    transform:translateY(-5px);
    box-shadow:0 22px 58px rgba(2,6,23,.14),0 12px 32px rgba(6,182,212,.14),0 10px 28px rgba(167,139,250,.10);
    border-color:rgba(6,182,212,.35);
}

.about-section{
    background:var(--gradient-deep);
    color:#fff;
    box-shadow:inset 0 -70px 110px rgba(2,6,23,.24);
}

.about-img-wrap{
    overflow:hidden;
    border-radius:var(--radius-lg);
    box-shadow:0 20px 60px rgba(2,6,23,.18);
}

.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) translateZ(0);
    filter:saturate(1.12) contrast(1.06);
}

.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,.13);
    box-shadow:0 18px 46px rgba(2,6,23,.20);
}

.text-white-75{
    color:rgba(255,255,255,.80) !important;
    text-shadow:0 14px 34px rgba(2,6,23,.25);
}

.departments-section{
    background:var(--gradient-dept);
    color:#fff;
    box-shadow:inset 0 -65px 120px rgba(2,6,23,.20);
}

.departments-title{
    font-size:clamp(1.6rem,3vw,2.2rem);
    font-weight:700;
    margin-bottom:var(--space-sm);
    text-shadow:0 18px 44px rgba(2,6,23,.22);
}

.departments-subtitle{
    font-size:1.05rem;
    max-width:800px;
    margin-inline:auto;
    color:rgba(255,255,255,.88);
    text-shadow:0 14px 30px rgba(2,6,23,.16);
}

.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,.10) 0%,rgba(255,255,255,.06) 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,.18);
    box-shadow:0 22px 62px rgba(2,6,23,.16);
}

.d-num{
    font-size:1.5rem;
    font-weight:700;
    color:var(--color-accent);
    margin-bottom:var(--space-xs);
    text-shadow:0 14px 34px rgba(167,139,250,.25);
}

.d-num span{
    color:#fff;
    font-size:1.1rem;
    margin-inline-start:var(--space-xs);
    opacity:.9;
}

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

.d-image img{
    width:100%;
    border-radius:var(--radius-md);
    box-shadow:0 22px 60px rgba(2,6,23,.18);
}

.security-section{
    background:var(--gradient-security);
    color:#fff;
    box-shadow:inset 0 -80px 130px rgba(2,6,23,.26);
}

.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(4,25,32,.98);
    font-weight:700;
    box-shadow:
        0 0 0 1px rgba(255,255,255,.18) inset,
        0 0 48px rgba(34,211,238,.42),
        0 0 60px rgba(167,139,250,.22),
        0 18px 55px rgba(2,6,23,.22);
}

.node{
    background:
        radial-gradient(900px 240px at 10% 0%,rgba(6,182,212,.14) 0%,rgba(6,182,212,0) 55%),
        linear-gradient(180deg,rgba(255,255,255,.10) 0%,rgba(255,255,255,.06) 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(255,255,255,.18);
    box-shadow:0 18px 48px rgba(2,6,23,.16);
}

.node:hover{
    transform:scale(1.05);
    background:rgba(255,255,255,.13);
    box-shadow:0 28px 74px rgba(2,6,23,.22),0 14px 40px rgba(6,182,212,.18);
    border-color:rgba(34,211,238,.35);
}

.node-title{
    font-weight:600;
    color:var(--color-accent);
    margin-block:var(--space-xs);
    text-shadow:0 14px 34px rgba(167,139,250,.25);
}

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

.honor-section{
    background:linear-gradient(180deg,#f7fbff 0%,#fbfbff 45%,#f1f5f9 100%);
}

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

.honor-text-card{
    padding:var(--space-md);
    background:
        radial-gradient(900px 260px at 18% 0%,rgba(6,182,212,.10) 0%,rgba(6,182,212,0) 58%),
        radial-gradient(700px 220px at 95% 10%,rgba(167,139,250,.12) 0%,rgba(167,139,250,0) 60%),
        #ffffff;
    border-radius:var(--radius-md);
    border-inline-start:4px solid rgba(6,182,212,.95);
    transition:transform var(--transition-base),box-shadow var(--transition-base),border-color var(--transition-base),background var(--transition-base);
    box-shadow:0 12px 32px rgba(2,6,23,.08);
}

.honor-text-card:hover{
    transform:translateY(-3px);
    box-shadow:0 22px 60px rgba(2,6,23,.14),0 12px 38px rgba(6,182,212,.12);
    border-inline-start-color:rgba(124,58,237,.95);
}

.mission-section{
    background:var(--gradient-mission);
    padding-block:var(--space-2xl);
    color:#fff;
    box-shadow:inset 0 -85px 140px rgba(2,6,23,.26);
}

.mission-list li{
    margin-bottom:var(--space-sm);
    color:rgba(226,232,240,.92);
    text-shadow:0 14px 30px rgba(2,6,23,.14);
}

.stats-section{
    background:linear-gradient(180deg,#ffffff 0%,#fbfbff 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(248,250,252,1) 0%,rgba(255,255,255,1) 100%);
    box-shadow:0 12px 34px rgba(2,6,23,.06);
    border:1px solid rgba(226,232,240,.9);
}

.stats-card:hover{
    transform:translateY(-5px);
    box-shadow:0 26px 70px rgba(2,6,23,.14),0 14px 44px rgba(124,58,237,.12);
    background:
        linear-gradient(135deg,rgba(255,255,255,1) 0%,rgba(240,247,255,1) 45%,rgba(236,254,255,1) 100%);
    border-color:rgba(6,182,212,.28);
}

.stats-card h3{
    font-variant-numeric:tabular-nums;
    color:var(--color-primary-darker);
    text-shadow:0 16px 34px rgba(2,6,23,.10);
}

.news-section{
    background:linear-gradient(180deg,var(--color-bg-soft) 0%,#ffffff 50%,#f1f5f9 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:#ffffff;
    box-shadow:0 10px 30px rgba(2,6,23,.05);
}

.news-card:hover{
    transform:translateY(-5px);
    box-shadow:0 26px 70px rgba(2,6,23,.16),0 14px 44px rgba(6,182,212,.12);
    border-color:rgba(124,58,237,.28);
    background:linear-gradient(180deg,#ffffff 0%,#f7f7ff 100%);
}

.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(1.03);
}

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

.matches-section{
    background:linear-gradient(180deg,#fbfbff 0%,#ffffff 35%,#f1f5f9 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 var(--color-border-soft);
    border-radius:var(--radius-md);
    background:#fff;
    box-shadow:0 10px 30px rgba(2,6,23,.05);
}

.match-card:hover{
    transform:translateY(-3px);
    box-shadow:0 22px 60px rgba(2,6,23,.14),0 14px 44px rgba(124,58,237,.12);
    border-color:rgba(6,182,212,.55);
    background:linear-gradient(180deg,#ffffff 0%,#f7fbff 100%);
}

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

.match-card .team .small{
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
}

.match-card .score{
    font-variant-numeric:tabular-nums;
    color:var(--color-primary-darker);
    text-shadow:0 16px 34px rgba(2,6,23,.10);
}

.trust-section{
    background:var(--gradient-trust);
    color:#fff;
    box-shadow:inset 0 -85px 140px rgba(2,6,23,.26);
}

.trust-card{
    background:
        radial-gradient(900px 260px at 20% 0%,rgba(34,211,238,.16) 0%,rgba(34,211,238,0) 58%),
        linear-gradient(180deg,rgba(255,255,255,.10) 0%,rgba(255,255,255,.06) 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:1px solid rgba(255,255,255,.18);
    box-shadow:0 26px 80px rgba(2,6,23,.22);
}

.trust-card:hover{
    transform:translateY(-3px);
    background:rgba(255,255,255,.13);
    box-shadow:0 40px 110px rgba(2,6,23,.28),0 14px 46px rgba(6,182,212,.18);
}

.partners-section{
    background:linear-gradient(180deg,#fbfbff 0%,#ffffff 55%,#f1f5f9 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 26px 70px rgba(2,6,23,.16),0 14px 44px rgba(6,182,212,.14);
    background:linear-gradient(180deg,#ffffff 0%,#f7fbff 100%);
}

.testimonials-section{
    background:linear-gradient(180deg,#ffffff 0%,#fbfbff 55%,#f1f5f9 100%);
}

.testimonial-card{
    transition:transform var(--transition-base),box-shadow var(--transition-base),border-color var(--transition-base);
    border-block-start:4px solid transparent;
    border-radius:var(--radius-md);
    background:#ffffff;
    box-shadow:0 10px 30px rgba(2,6,23,.05);
}

.testimonial-card:hover{
    border-block-start-color:rgba(167,139,250,.98);
    transform:translateY(-5px);
    box-shadow:0 26px 70px rgba(2,6,23,.16),0 14px 44px rgba(167,139,250,.14);
}

.cta-banner-section{
    background:var(--gradient-cta);
    color:#fff;
    position:relative;
    overflow:hidden;
    box-shadow:inset 0 -85px 140px rgba(2,6,23,.26);
}

.cta-banner-section::before{
    content:'';
    position:absolute;
    inset:0;
    background:
        radial-gradient(1100px 520px at 18% 25%,rgba(255,255,255,.22) 0%,rgba(255,255,255,0) 60%),
        radial-gradient(900px 480px at 88% 30%,rgba(34,211,238,.22) 0%,rgba(34,211,238,0) 62%),
        linear-gradient(180deg,rgba(0,0,0,.10) 0%,rgba(0,0,0,.24) 100%);
    z-index:0;
}

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

.cta-banner-section .btn-warning{
    box-shadow:0 22px 60px rgba(34,211,238,.18),0 16px 44px rgba(124,58,237,.16);
}

.text-white-75{
    color:rgba(255,255,255,.88) !important;
    text-shadow:0 16px 34px rgba(2,6,23,.20);
}

.footer{
    font-size:0.9rem;
    color:#cbd5e1;
    text-shadow:0 12px 26px rgba(2,6,23,.10);
}

.footer a {
    transition: color 0.52s cubic-bezier(0.2, 0.9, 0.2, 1), transform 0.52s cubic-bezier(0.2, 0.9, 0.2, 1), text-shadow 0.52s cubic-bezier(0.2, 0.9, 0.2, 1);
    text-shadow: 0 0 0 rgba(0,0,0,0);
    color: rgba(20, 18, 28, 0.92);
}

.footer a:hover {
    color: rgba(255, 255, 255, 0.98) !important;
    text-shadow: 0 10px 28px rgba(110, 231, 183, 0.22), 0 2px 10px rgba(37, 99, 235, 0.18);
}

.footer-copyright {
    font-size: 0.85rem;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.45);
}

/* Beian */
.footer-beian {
    font-size: 0.8rem;
    line-height: 1.8;
    opacity: 0.9;
    color: rgba(35, 25, 55, 0.78);
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.28);
}

.footer-beian a:hover {
    color: rgba(16, 24, 40, 0.98) !important;
    text-decoration: underline !important;
    text-underline-offset: 3px;
    text-shadow: 0 10px 26px rgba(59, 130, 246, 0.22);
}

.footer-beian img {
    margin-inline-end: 4px;
    transition: transform 0.52s cubic-bezier(0.2, 0.9, 0.2, 1), filter 0.52s cubic-bezier(0.2, 0.9, 0.2, 1);
    filter: drop-shadow(0 10px 22px rgba(18, 96, 140, 0.18)) drop-shadow(0 1px 0 rgba(255, 255, 255, 0.35));
    opacity: 0.95;
}

.footer-beian a:hover img {
    transform: scale(1.2) translateY(-1px);
    filter: drop-shadow(0 18px 34px rgba(17, 94, 89, 0.26)) drop-shadow(0 1px 0 rgba(255, 255, 255, 0.55));
    opacity: 1;
}

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

/* ============================================
   22. Form (Login/Signup/Contact)
   ============================================ */
.form-control:focus,
.form-select:focus {
    border-color: rgba(99, 102, 241, 0.9);
    box-shadow:
        0 0 0 0.18rem rgba(99, 102, 241, 0.18),
        0 18px 40px rgba(79, 70, 229, 0.16),
        0 2px 12px rgba(2, 6, 23, 0.08);
    outline: 2px solid rgba(99, 102, 241, 0.22);
    outline-offset: 2px;
    filter: saturate(1.05);
}

.btn-primary {
    background-color: #4f46e5;
    border-color: #4f46e5;
    box-shadow:
        0 18px 50px rgba(79, 70, 229, 0.26),
        0 8px 22px rgba(79, 70, 229, 0.18),
        inset 0 1px 0 rgba(255, 255, 255, 0.25);
    transition:
        background-color 0.52s cubic-bezier(0.2, 0.9, 0.2, 1),
        border-color 0.52s cubic-bezier(0.2, 0.9, 0.2, 1),
        box-shadow 0.52s cubic-bezier(0.2, 0.9, 0.2, 1),
        transform 0.52s cubic-bezier(0.2, 0.9, 0.2, 1);
    border-style: solid;
    border-radius: 14px;
    color: rgba(255, 255, 255, 0.98);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #3730a3;
    border-color: #3730a3;
    box-shadow:
        0 24px 70px rgba(67, 56, 202, 0.34),
        0 10px 26px rgba(2, 6, 23, 0.14),
        inset 0 1px 0 rgba(255, 255, 255, 0.22);
    transform: translateY(-1px);
}

.input-group-text {
    background-color: rgba(250, 245, 255, 0.86);
    border-color: rgba(148, 163, 184, 0.35);
    color: rgba(15, 23, 42, 0.82);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
    border-style: solid;
    border-radius: 12px;
    transition: background-color 0.52s cubic-bezier(0.2, 0.9, 0.2, 1), border-color 0.52s cubic-bezier(0.2, 0.9, 0.2, 1), box-shadow 0.52s cubic-bezier(0.2, 0.9, 0.2, 1);
}

/* ============================================
   23. Reduced Motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================================================
   Grid Layout Defaults (CSS-Variant-Ready)
   CSSVariantEngine sẽ override các rules này
   ============================================================ */

/* 新闻网格 (默认 3 列) */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

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

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

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

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

/* FAQ 列表 (默认单列居中) */
.faq-list {
    max-width: 820px;
    margin: 0 auto;
}

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

/* Hero 分割布局 (左文右图) */
.hero-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    align-items: center;
}
.hero-split-text { }
.hero-split-img { text-align: center; }

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

/* 作者团队 (默认 4 列) */
.authors-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

@media (max-width: 575.98px) {
    .footer-beian ul {
        flex-direction: column;
        gap: var(--space-xs) !important;
        align-items: center;
        justify-content: center;
    }

    .footer-beian li {
        white-space: normal;
        text-align: center;
        opacity: 0.95;
    }
}

.footer {
    --color-surface: rgba(255, 255, 255, 0.72);
    --color-ink: rgba(17, 24, 39, 0.9);
    --color-muted-ink: rgba(55, 48, 72, 0.78);
    --color-accent: #34d399;
    --color-primary: #4f46e5;
    --color-border: rgba(148, 163, 184, 0.35);
    --color-bg-muted: rgba(250, 245, 255, 0.86);
    --transition-fast: 0.52s cubic-bezier(0.2, 0.9, 0.2, 1);
    caret-color: #34d399;
    accent-color: #34d399;
}