/* [2026-08-06] 主选择页、直接 Key 子页、账号注册子页 */
.choice-main{min-height:calc(100vh - 150px)}.choice-hero{text-align:center;margin:0 auto 46px}.choice-hero h2{font-size:clamp(40px,6vw,68px)}.choice-hero>p:last-child{margin:18px auto 0}.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.choice-card{display:grid;grid-template-columns:64px 1fr;gap:22px;padding:32px;background:rgba(255,255,255,.74);border:1px solid var(--line);border-radius:16px;color:var(--ink);text-decoration:none;transition:.2s}.choice-card:hover{transform:translateY(-3px);border-color:var(--green);box-shadow:0 20px 50px rgba(25,50,40,.1)}.choice-icon{width:56px;height:56px;display:grid;place-items:center;border-radius:50%;font:700 22px Georgia;background:var(--green);color:var(--lime)}.account-choice .choice-icon{background:var(--lime);color:var(--green)}.choice-card h3{font:32px Georgia,"Songti SC",serif;margin:0 0 10px}.choice-card p{color:var(--muted);line-height:1.7}.choice-card ul{padding-left:18px;color:var(--muted);line-height:2}.choice-card strong{display:block;margin-top:18px;color:var(--green)}.back-link{color:var(--green);text-decoration:none;font-weight:700;font-size:13px}.sub-hero{margin-bottom:34px}.key-plans{grid-template-columns:repeat(3,1fr)}.key-result{grid-column:1/-1}.key-box{display:flex;gap:10px;align-items:center;margin-top:20px;padding:13px;border:1px solid var(--line);border-radius:10px;background:#f7f8f3}.key-box code{flex:1;overflow-wrap:anywhere;font-size:13px}.key-box button{border:0;border-radius:8px;background:var(--green);color:#fff;padding:10px 14px;cursor:pointer}@media(max-width:760px){.choice-grid{grid-template-columns:1fr}.choice-card{grid-template-columns:48px 1fr;padding:24px}.choice-icon{width:44px;height:44px}.choice-card h3{font-size:26px}.key-plans{grid-template-columns:1fr}.back-link{position:absolute;top:78px;left:24px}header:has(.back-link){margin-bottom:28px}}