/* 桌面版下载页专用样式。变量、页头页尾、卡片、按钮都来自 site.css，
   这里只写下载页多出来的部分。只有 /desktop/ 和 /desktop/checksums/ 加载它。 */

/* ---------- 首屏 ---------- */
.desktop-hero .hero-inner{align-items:center;gap:48px;padding-top:56px;padding-bottom:56px}
.desktop-hero-copy{flex:1 1 480px;min-width:0}
.desktop-hero h1{margin-bottom:16px}
.desktop-hero p{font-size:17px}

/* 截图本身是方正的矩形，稍微转一点角度加深投影，看着才像"一个应用" */
.hero-shot{flex:1 1 460px;min-width:0;transform:perspective(1400px) rotateY(-9deg) rotateX(2deg);transform-origin:left center}
.hero-shot img{display:block;width:100%;height:auto;border-radius:12px;box-shadow:0 30px 60px rgba(25,39,87,.22),0 4px 12px rgba(25,39,87,.12)}

/* ---------- 下载按钮 ---------- */
.download-row{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 14px}
/* 两个按钮等宽平分一行，长短不一会显得没对齐；放不下时各占满一行 */
.download-btn{flex:1 1 268px;display:flex;align-items:center;gap:14px;padding:14px 22px 14px 18px;background:var(--blue);color:#fff;border-radius:13px;box-shadow:0 8px 22px rgba(40,85,217,.28);transition:transform .18s ease,box-shadow .18s ease,background .18s ease;position:relative}
.download-btn:hover{background:var(--blue-dark);transform:translateY(-2px);box-shadow:0 12px 28px rgba(40,85,217,.34)}
.download-btn strong{display:block;font-size:16px;font-weight:750}
.download-btn small{display:block;font-size:12.5px;opacity:.82;margin-top:2px;white-space:nowrap}
.download-btn .os-icon{width:26px;height:26px;flex:0 0 auto}

/* 不是访客当前系统的那个退成描边样式，免得两个同样重的按钮抢注意力 */
.download-btn.is-secondary{background:#fff;color:var(--blue);border:1px solid #c3d0f0;box-shadow:none}
.download-btn.is-secondary:hover{background:var(--blue-soft);transform:translateY(-2px)}
.download-btn.is-secondary small{color:var(--muted);opacity:1}
.rec-tag{position:absolute;top:-9px;right:12px;font-style:normal;font-size:11px;font-weight:800;letter-spacing:.5px;background:#ff7043;color:#fff;padding:3px 9px;border-radius:99px}

.download-meta{font-size:13px;color:var(--muted);margin:0 0 4px}
.download-meta:last-of-type{margin-bottom:0}
.download-meta a{color:var(--blue);font-weight:650}
.download-meta a:hover{text-decoration:underline}
/* 客户端界面目前只有中文，英文访客下载前应该先知道这件事 */
.ui-note{margin:16px 0 0;background:#fff8e8;color:#805c14;border-radius:10px;padding:13px 15px;font-size:13.5px;line-height:1.65;max-width:600px}
/* 只在手机上出现：桌面版装不到手机里，得给条明确的出路 */
.mobile-hint{display:none}

/* ---------- 为什么装客户端 ---------- */
.section-heading .eyebrow{display:block;margin-bottom:4px}
.section-heading>p{text-align:right}
.why-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.why-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 22px 26px;transition:.2s ease}
.why-card:hover{transform:translateY(-3px);border-color:#bdcaf1;box-shadow:var(--shadow)}
.why-card h3{font-size:17px;margin:16px 0 8px}
.why-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}

/* ---------- 界面预览 ---------- */
.shots-section{padding-top:20px}
.shot-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.shot{margin:0}
.shot img{display:block;width:100%;height:auto;border-radius:12px;border:1px solid #dde4f2;box-shadow:0 16px 36px rgba(35,53,94,.12)}
.shot figcaption{margin-top:14px;color:var(--muted);font-size:14px;line-height:1.65}
.shot figcaption strong{display:block;color:var(--ink);font-size:15px;margin-bottom:3px}

/* ---------- 工具清单 ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.feature-col{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}
.feature-col h3{margin:0 0 14px;font-size:15px;color:var(--blue);padding-bottom:12px;border-bottom:1px solid var(--line)}
.feature-col ul{list-style:none;margin:0;padding:0}
.feature-col li{padding:7px 0 7px 20px;font-size:14.5px;color:#3c465a;position:relative}
.feature-col li::before{content:"";position:absolute;left:2px;top:15px;width:6px;height:6px;border-radius:50%;background:#c3d0f0}
.feature-col li.only-desktop{color:var(--ink);font-weight:650}
.feature-col li.only-desktop::before{background:#ff7043}
.feature-col li.only-desktop span{display:inline-block;margin-left:7px;font-size:11px;font-weight:700;color:#b0431c;background:#fff1ed;border-radius:99px;padding:2px 8px;vertical-align:1px}

/* ---------- 安装说明 ---------- */
.install-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.install-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:26px 28px}
.install-card h3{margin:0 0 14px;font-size:19px}
.install-card ol{margin:0 0 16px;padding-left:20px;color:#3c465a}
.install-card li{margin:8px 0;line-height:1.6}
.install-card code,.text-page code{background:#f2f5fc;border:1px solid #e1e8f6;border-radius:6px;padding:2px 7px;font-size:13px;word-break:break-all}
.install-note{margin:0;background:#fff8e8;color:#805c14;border-radius:10px;padding:13px 15px;font-size:13px;line-height:1.65}

/* ---------- 常见问题 ---------- */
.faq-list{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list details:last-child{border-bottom:0}
.faq-list summary{cursor:pointer;padding:18px 52px 18px 24px;font-weight:650;font-size:15.5px;list-style:none;position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{content:"+";position:absolute;right:24px;top:15px;font-size:22px;font-weight:400;color:#a5afc1;transition:transform .2s ease}
.faq-list details[open] summary::after{transform:rotate(45deg)}
.faq-list summary:hover{background:#fafbff;color:var(--blue)}
.faq-list p{margin:0;padding:0 24px 20px;color:var(--muted);font-size:14.5px;line-height:1.75}
.back-to-web{text-align:center;margin:34px 0 0;color:var(--muted)}
.back-to-web a{color:var(--blue);font-weight:700}
.back-to-web a:hover{text-decoration:underline}

/* ---------- 校验值页 ---------- */
.sum-table{width:100%;border-collapse:collapse;margin:22px 0}
.sum-table th,.sum-table td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}
.sum-table th{font-size:13px;color:var(--muted);font-weight:700}
.sum-table .sha{font-size:12px;word-break:break-all;line-height:1.6}

/* ---------- 平板 ---------- */
@media(max-width:900px){
  .desktop-hero .hero-inner{flex-direction:column;align-items:flex-start;gap:32px}
  /* 竖排后 flex-basis 变成最小高度，不改成 auto 截图上方会多出一大块空白 */
  .desktop-hero-copy,.hero-shot{flex:0 0 auto;width:100%}
  .hero-shot{transform:none}
  .section-heading>p{text-align:left}
  .why-grid,.feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .shot-grid,.install-grid{grid-template-columns:1fr}
}

/* ---------- 手机 ---------- */
@media(max-width:620px){
  .desktop-hero .hero-inner{padding:36px 20px}
  .desktop-hero h1{font-size:32px}
  .desktop-hero p{font-size:15.5px}
  .download-row{flex-direction:column;gap:12px}
  /* 竖排时 flex-basis 量的是高度，不改回 auto 按钮会变成 268px 高的大方块 */
  .download-btn{flex:0 0 auto;width:100%}
  .why-grid,.feature-grid{grid-template-columns:1fr}
  .install-card{padding:20px}
  .faq-list summary{padding:16px 44px 16px 18px;font-size:15px}
  .faq-list p{padding:0 18px 18px}
  .mobile-hint{display:block;margin:16px 0 0;background:#fff;border:1px solid #cfe0d6;border-left:3px solid var(--green);border-radius:10px;padding:13px 15px;font-size:13.5px;line-height:1.6;color:#47715c}
  .mobile-hint a{color:var(--blue);font-weight:700;text-decoration:underline}
  .sum-table,.sum-table tbody,.sum-table tr,.sum-table td{display:block;width:100%}
  .sum-table thead{display:none}
  .sum-table td{border-bottom:0;padding:4px 0}
  .sum-table tr{border-bottom:1px solid var(--line);padding:12px 0}
}

@media(prefers-reduced-motion:reduce){
  .hero-shot{transform:none}
  .download-btn:hover,.why-card:hover{transform:none}
}