/* ============================================================
   产品详情页样式
   ============================================================ */

/* ---- 产品页 Hero ---- */
.hero { text-align: center; max-width: 1100px; }
.hero h1 { font-size: clamp(36px, 6vw, 60px); font-weight: 800; line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 20px; }
.hero h1 .gradient {
    background: linear-gradient(135deg, var(--accent), var(--accent-2), var(--accent-3));
    -webkit-background-clip: text; background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero .subtitle { font-size: clamp(15px, 2vw, 19px); color: var(--text-dim); max-width: 660px; margin: 0 auto 30px; }
.hero-cta { justify-content: center; }
.pricing-line { font-size: 15px; color: var(--accent-3); margin-bottom: 18px; }
.meta-line { margin-top: 28px; font-size: 14px; color: var(--text-dim); }

/* ---- 截图 ---- */
.screenshot { max-width: 880px; margin: 0 auto; }
.screenshot .window {
    background: linear-gradient(145deg, rgba(16, 26, 22, 0.96), rgba(12, 23, 19, 0.88));
    border: 1px solid rgba(52, 211, 153, 0.15);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
    cursor: zoom-in;
}
.screenshot .window img { display: block; width: 100%; height: auto; }
.shot-hint { text-align: center; font-size: 13px; color: var(--text-dim); margin-top: 12px; }

/* ---- 功能 / 场景 / 步骤 / 提示 ---- */
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 24px; }
.feat {
    background: linear-gradient(145deg, rgba(16, 26, 22, 0.96), rgba(12, 23, 19, 0.88));
    border: 1px solid var(--border); border-radius: 18px; padding: 28px;
    transition: transform 0.25s, border-color 0.25s;
}
.feat:hover { transform: translateY(-6px); border-color: rgba(52, 211, 153, 0.32); }
.feat .icon {
    width: 54px; height: 54px; border-radius: 14px;
    display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 16px;
    background: rgba(167, 139, 250, 0.14); border: 1px solid rgba(167, 139, 250, 0.3);
}
.feat h3 { font-size: 19px; margin-bottom: 8px; }
.feat p { color: var(--text-dim); font-size: 14px; }

.cases { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.case { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 24px; }
.case h3 { font-size: 17px; margin-bottom: 8px; }
.case p { color: var(--text-dim); font-size: 14px; }

.steps { display: flex; flex-direction: column; gap: 0; max-width: 720px; margin: 0 auto; }
.step { display: flex; gap: 18px; padding: 18px 0; border-bottom: 1px dashed var(--border); }
.step:last-child { border-bottom: none; }
.step .num {
    flex-shrink: 0; width: 42px; height: 42px; border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff;
    font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: 17px;
}
.step h3 { font-size: 17px; margin-bottom: 5px; }
.step p { color: var(--text-dim); font-size: 14px; }

.tips { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 24px 30px; max-width: 720px; margin: 0 auto; }
.tips h3 { font-size: 16px; margin-bottom: 12px; }
.tips ul { padding-left: 22px; color: var(--text-dim); font-size: 14px; }
.tips li { margin: 8px 0; }

/* ---- 下载区 ---- */
.download { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.dl-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; max-width: 980px; margin: 0 auto; }
.dl-card {
    background: linear-gradient(145deg, rgba(16, 26, 22, 0.96), rgba(12, 23, 19, 0.88));
    border: 1px solid var(--border); border-radius: 18px; padding: 26px;
    display: flex; flex-direction: column; gap: 12px;
    transition: border-color 0.2s, transform 0.2s;
}
.dl-card:hover { border-color: rgba(52, 211, 153, 0.32); transform: translateY(-3px); }
.dl-card.recommended { border-color: rgba(52, 211, 153, 0.5); box-shadow: 0 0 24px rgba(52, 211, 153, 0.1); }
.dl-card-head { display: flex; align-items: center; gap: 10px; }
.dl-card-head strong { font-size: 16px; display: flex; align-items: center; gap: 8px; }
.pf-icon { color: var(--accent); }
.dl-badge {
    font-size: 11px; padding: 2px 8px; border-radius: 999px; font-weight: 600;
    background: rgba(251, 191, 36, 0.15); color: var(--yellow); border: 1px solid rgba(251, 191, 36, 0.35);
}
.dl-ver { margin-left: auto; font-size: 13px; color: var(--text-dim); }
.dl-meta { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--text-dim); word-break: break-all; }
.dl-sha { font-size: 11px; color: var(--text-dim); word-break: break-all; }
.dl-sha code { color: var(--accent); background: rgba(255, 255, 255, 0.04); padding: 1px 6px; border-radius: 4px; }
.dl-card .btn { justify-content: center; margin-top: auto; }
.dl-card.empty { text-align: center; color: var(--text-dim); }
.pwd-note { margin-top: 6px; font-size: 13px; color: var(--text-dim); }
.pwd-note code { background: var(--bg-soft); padding: 2px 8px; border-radius: 6px; border: 1px solid var(--border); color: var(--accent); }

/* ---- 更新日志 ---- */
.changelog { max-width: 720px; margin: 0 auto; }
.cl-item { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 24px 28px; margin-bottom: 16px; }
.cl-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; flex-wrap: wrap; gap: 8px; }
.cl-ver { font-size: 16px; font-weight: 700; color: var(--accent); }
.cl-ver .badge { font-size: 10px; padding: 2px 8px; border-radius: 999px; font-weight: 600; margin-left: 8px; background: rgba(251, 191, 36, 0.15); color: var(--yellow); }
.cl-date { font-size: 13px; color: var(--text-dim); }
.cl-body { color: var(--text-dim); font-size: 14px; white-space: pre-line; }
.cl-body b { color: var(--text); }
.cl-builds { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.cl-build {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    border: 1px dashed var(--border); border-radius: 10px; padding: 10px 14px;
    font-size: 13px; color: var(--text-dim); flex-wrap: wrap;
}
.cl-build-name { word-break: break-all; }

/* ---- FAQ ---- */
.faq { max-width: 720px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { background: var(--card); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; }
.faq-item summary {
    padding: 16px 22px; cursor: pointer; font-size: 15px; font-weight: 600;
    list-style: none; display: flex; align-items: center; gap: 10px;
}
.faq-item summary::before { content: "Q"; color: var(--accent); font-weight: 800; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item[open] summary { border-bottom: 1px solid var(--border); }
.faq-item p { padding: 14px 22px; color: var(--text-dim); font-size: 14px; }

/* ---- 其他产品 ---- */
.other-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.other-card {
    background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 26px;
    text-align: center; transition: transform 0.25s, border-color 0.25s; display: block;
}
.other-card:hover { transform: translateY(-6px); border-color: var(--accent); }
.other-card .icon { font-size: 36px; margin-bottom: 12px; }
.other-card h3 { font-size: 18px; margin-bottom: 6px; }
.other-card p { color: var(--text-dim); font-size: 13px; margin-bottom: 14px; }

@media (max-width: 640px) {
    .dl-list { grid-template-columns: 1fr; }
}