/* 下载中心：基础样式来自 style.css */
.download-hero{display:flex;align-items:flex-end;justify-content:space-between;gap:40px;margin:22px 0 40px}
.download-hero h1{font-size:3.3rem;line-height:1.16;letter-spacing:-.025em;margin:18px 0}
.hero-description{color:var(--muted);line-height:1.85;margin:0}
.release-card{display:flex;flex-direction:column;gap:12px;min-width:240px;background:var(--surface);border:1px solid var(--line);padding:26px 28px;position:relative}
.release-card::before{content:"";position:absolute;left:-1px;top:-1px;width:40px;height:2px;background:var(--accent)}
.release-card strong{font-family:var(--mono);font-size:2.6rem;font-weight:600;letter-spacing:-.04em;line-height:1.1}
.release-card>span:not(.eyebrow){font-size:.8rem;color:var(--muted)}
.release-card a{font-size:.82rem;color:var(--accent-deep);text-decoration:underline;text-decoration-color:rgba(194,65,12,.35);text-underline-offset:4px}
.download-intro{display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-family:var(--mono);font-size:.74rem;letter-spacing:.02em;margin-bottom:14px}
.download-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.download-card{position:relative;display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);padding:28px;overflow:hidden;transition:border-color .15s,transform .2s}
.download-card:hover{border-color:var(--line-strong);transform:translateY(-2px)}
.platform-icon{font-family:var(--mono);font-size:1.5rem;font-weight:600;width:48px;height:48px;border:1px solid var(--line-strong);background:var(--bg);display:grid;place-items:center;color:var(--ink);margin-bottom:26px}
.platform-chip{position:absolute;right:26px;top:30px;font-family:var(--mono);font-size:.62rem;letter-spacing:.1em;color:var(--muted);border:1px solid var(--line);padding:3px 7px}
.download-card h2{font-size:1.22rem;margin-bottom:8px}
.download-card p{color:var(--muted);font-size:.84rem;line-height:1.7;margin-bottom:0}
.file-meta{display:flex;justify-content:space-between;font-family:var(--mono);font-size:.72rem;color:var(--muted);margin:auto 0 14px;padding-top:26px;border-bottom:1px dashed var(--line);padding-bottom:12px}
.download-action{display:flex;align-items:center;justify-content:space-between;background:#222;color:var(--bg);font-size:.92rem;font-weight:550;padding:4px 4px 4px 18px;min-height:50px}
.download-action span{width:42px;height:42px;display:grid;place-items:center;background:var(--bg);color:var(--ink)}
.download-action:hover{background:#000}
.download-card .package-note{font-size:.72rem;margin:14px 0 18px;overflow-wrap:anywhere}
/* 安装包能力与页面承诺不一致时的显式标注，例如通道尚未打进包里。 */
.download-card .package-note.package-gap{color:var(--accent-deep);border-left:2px solid var(--accent);padding-left:9px}
.upstream-link{font-size:.76rem;color:var(--muted);text-decoration:underline;text-underline-offset:4px}
.upstream-link:hover{color:var(--ink)}
.download-card.featured{background:var(--warm-glow);border-color:rgba(194,65,12,.22)}
.featured .platform-icon{background:#14110f;color:var(--bg);border-color:#14110f}
.featured .platform-chip{background:#14110f;color:var(--bg);border-color:#14110f}
.featured p,.featured .file-meta,.featured .upstream-link{color:var(--ink-2)}
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
.guide-grid .eyebrow{margin-bottom:14px}
.guide-steps{list-style:none;counter-reset:step;padding:0;margin:0;color:var(--ink-2);font-size:.9rem;line-height:1.75}
.guide-steps li{counter-increment:step;position:relative;padding:12px 0 12px 42px;border-top:1px solid var(--line-soft)}
.guide-steps li:first-child{border-top:0}
.guide-steps li::before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:13px;width:28px;height:24px;display:grid;place-items:center;font-family:var(--mono);font-size:.7rem;background:var(--accent-soft);color:var(--accent-deep)}
.guide-actions{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0 18px}
.config-lines label{font-size:.78rem;margin-bottom:12px}
.config-lines input{font-family:var(--mono);font-size:.85rem}
.integrity-panel{display:flex;gap:32px;justify-content:space-between;align-items:center;margin-top:20px}
.integrity-panel>div:first-child{max-width:720px}
.integrity-panel .eyebrow{margin-bottom:12px}
.integrity-links{display:flex;flex-direction:column;gap:10px;white-space:nowrap}
.download-disclaimer{font-size:.76rem;line-height:1.9;color:var(--muted);margin:22px 2px;padding-left:12px;border-left:2px solid var(--line)}
@media(max-width:950px){.download-card{padding:23px}.platform-chip{right:22px;top:26px}.download-hero h1{font-size:2.7rem}.guide-grid{grid-template-columns:1fr}.download-grid{grid-template-columns:1fr 1fr}}
@media(max-width:650px){.download-hero{display:block;margin:6px 0 28px}.download-hero h1{font-size:2.2rem}.release-card{margin-top:24px;padding:18px;display:grid;grid-template-columns:1fr auto;gap:10px;align-items:center}.release-card strong{font-size:1.9rem;grid-column:2;grid-row:1/3;text-align:right}.release-card a{grid-column:1/3}.download-intro{flex-direction:column;gap:6px}.download-grid{grid-template-columns:1fr}.download-card{padding:22px}.platform-icon{margin-bottom:20px}.file-meta{padding-top:20px}.integrity-panel{display:block}.integrity-links{flex-direction:row;flex-wrap:wrap;margin-top:18px}.hero-description{font-size:.9rem}.desktop-break{display:none}}
/* Agent Center 区块 */
.download-grid.two-up{grid-template-columns:repeat(2,minmax(0,1fr))}
.product-section{margin-top:52px}
.download-hero+.product-section{margin-top:8px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:0 0 12px}
.section-head .eyebrow{margin-bottom:10px}
.section-head h2{font-size:1.7rem;letter-spacing:-.02em;margin:0}
.free-badge{flex:none;font-family:var(--mono);font-size:.72rem;letter-spacing:.06em;background:var(--accent-soft);color:var(--accent-deep);border:1px solid rgba(194,65,12,.28);padding:6px 10px;white-space:nowrap}
.section-lead{max-width:760px;color:var(--ink-2);font-size:.92rem;line-height:1.85;margin:0 0 18px}
.section-lead strong{color:var(--accent-deep);font-weight:650}
.release-link{flex:none;font-size:.82rem;color:var(--accent-deep);text-decoration:underline;text-decoration-color:rgba(194,65,12,.35);text-underline-offset:4px;white-space:nowrap}
.download-action b{font-weight:550}
.download-action.is-disabled{background:var(--canvas);color:var(--muted);border:1px dashed var(--line-strong);cursor:not-allowed;pointer-events:none}
.download-action.is-disabled span{background:var(--surface);color:var(--faint)}
.download-card .sha{display:block;margin-top:4px;font-family:var(--mono);font-size:.68rem;color:var(--faint)}
.edition-table{display:grid;border:1px solid var(--line);margin:4px 0 16px}
.edition-table>div{display:grid;grid-template-columns:72px minmax(0,1fr);gap:12px;padding:12px 14px;border-top:1px solid var(--line-soft);font-size:.86rem;line-height:1.7;color:var(--ink-2)}
.edition-table>div:first-child{border-top:0}
.edition-table strong{color:var(--accent-deep);font-weight:650}
@media(max-width:650px){.section-head{flex-direction:column;align-items:flex-start}.section-head h2{font-size:1.4rem}.product-section{margin-top:40px}}
@media(max-width:650px){.download-grid.two-up{grid-template-columns:1fr}}
/* 13: 按访客系统推荐 */
.download-card.is-recommended{outline:2px solid var(--accent);outline-offset:-2px}
.recommend-chip{display:inline-block;margin-left:8px;padding:1px 8px;font-size:.7rem;background:var(--accent);color:#fff;border-radius:999px}
.beta-chip{display:inline-block;margin-left:8px;padding:1px 8px;font-size:.7rem;border:1px solid var(--line);border-radius:999px;color:var(--ink-2)}