/* ===== EXPERIENCE PAGE (免费体验) ===== */
.exp-hero{
    padding:calc(var(--nav-h) + 21px) 0 46px;
    text-align:center;
    position:relative;
    overflow:hidden;
}
.exp-hero::before{
    content:'';
    position:absolute;
    inset:0;
    background:radial-gradient(circle at 50% -10%,rgba(0,220,130,0.14),transparent 58%);
    pointer-events:none;
}
.exp-hero .section-label{justify-content:center}
.exp-head{
    display:flex;
    align-items:center;
    justify-content:center;
    margin:16px 0 4px;
}
.exp-textblock{text-align:center}
.exp-hero h1{
    font-size:clamp(2rem,5.2vw,3.5rem);
    font-weight:900;
    margin:0 0 14px;
    line-height:1.12;
    letter-spacing:-0.02em;
}
.gradient-text{
    color:var(--accent);
}
.exp-sub{
    max-width:720px;
    margin:0 auto;
    text-align:center;
    font-size:1.02rem;
    color:var(--text-sec);
}
.exp-badge{
    display:inline-flex;
    align-items:center;
    gap:8px;
    margin:22px auto 0;
    padding:8px 18px;
    border-radius:60px;
    background:var(--accent-dim);
    border:1px solid rgba(0,220,130,0.25);
    color:var(--accent);
    font-size:0.85rem;
    font-weight:600;
}
.exp-badge b{font-family:'DM Mono',monospace}

.exp-section{padding:14px 0 90px}
.exp-grid{
    display:grid;
    grid-template-columns:repeat(5,minmax(0,1fr));
    align-items:start;
    gap:18px;
    max-width:1320px;
    margin:0 auto;
}

.term-card{
    background:linear-gradient(160deg,var(--surface),var(--bg-alt));
    border:1px solid var(--surface-border);
    border-radius:var(--radius);
    padding:18px 15px 16px;
    position:relative;
    overflow:hidden;
    transition:transform .35s ease,border-color .35s ease,box-shadow .35s ease;
}
.term-card::after{
    content:'';
    position:absolute;
    top:0;left:0;right:0;
    height:3px;
    background:var(--card-accent);
    opacity:.95;
}
.term-card:hover{
    transform:translateY(-7px);
    border-color:var(--card-accent);
    box-shadow:0 20px 54px rgba(0,0,0,.45),0 0 0 1px var(--card-accent);
}
.term-top{
    display:flex;
    align-items:center;
    justify-content:flex-start;
    gap:12px;
    margin-bottom:10px;
}
.term-titles{display:flex;flex-direction:column;justify-content:center;min-width:0}
.term-icon{
    width:44px;height:44px;
    flex:0 0 auto;
    border-radius:12px;
    display:flex;align-items:center;justify-content:center;
    font-size:1.4rem;
    background:var(--card-soft);
    border:1px solid var(--card-accent);
}
.term-name{font-size:1.08rem;font-weight:700;margin-bottom:3px;line-height:1.2}
.term-product{
    font-size:.74rem;
    color:var(--card-accent);
    font-weight:600;
    font-family:'DM Mono',monospace;
    line-height:1.2;
}
.term-desc{
    font-size:.78rem;
    color:var(--text-sec);
    line-height:1.5;
    min-height:0;
    margin-bottom:12px;
}
.term-divider{height:1px;background:var(--surface-border);margin:0 0 12px}
.term-qrbox{
    background:#fff;
    border-radius:10px;
    padding:8px;
    display:flex;
    flex-direction:column;
    align-items:center;
    gap:6px;
    width:fit-content;
    margin:0 auto;
    box-shadow:0 8px 24px rgba(0,0,0,.25);
}
.term-qrbox img{width:96px;height:96px;display:block;border-radius:6px}
.term-qrcap{color:#0a1020;font-size:.72rem;font-weight:700}
.term-btn{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:6px;
    width:100%;
    padding:10px;
    border-radius:10px;
    background:var(--card-accent);
    color:#060b18;
    font-weight:700;
    font-size:.84rem;
    text-decoration:none;
    transition:filter .2s ease,transform .2s ease;
}
.term-btn:hover{filter:brightness(1.08);transform:translateY(-2px)}
.term-appnote{text-align:center;font-size:.72rem;color:var(--text-muted);margin-top:6px}

.exp-footnote{
    max-width:1120px;
    margin:46px auto 0;
    text-align:center;
    font-size:.85rem;
    color:var(--text-muted);
}

@media (max-width:1100px){
    .exp-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
}
@media (max-width:640px){
    .exp-head{margin:14px 0 2px}
    .exp-textblock{text-align:center}
    .exp-sub{text-align:center;margin:0 auto}
}
@media (max-width:680px){
    .exp-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
}
@media (max-width:460px){
    .exp-grid{grid-template-columns:1fr;gap:16px}
    .term-card{padding:22px 18px}
}