/* =========================================================
   苹控科技 移动端全局样式 · 阶段 1（全局框架）
   来源：手机端原型 mobile-prototype.html 的 m- 组件体系
   硬约束：除下方唯一一条"断点外隐藏"规则外，全部规则位于 @media (max-width: 768px) 内，PC 零影响
   结构：
     0. 变量 + 基础重置 + 兜底（body 让位 / 版心 / PC 元素隐藏）
     1. 图标
     2. 顶栏 / 面包屑
     3. 按钮 / 卡片 / 标签 / chips / 分区标题
     4. 图片占位
     5. 抽屉菜单
     6. 搜索浮层
     7. 页脚（折叠）
     8. 底部 Tab
     9. 返回顶部
    10. 首页等后续阶段直接复用的内容组件（原样迁入）
   ========================================================= */

/* 移动端组件在 PC 断点外默认隐藏（断点内恢复） */
.m-topbar,.m-drawer,.m-search,.m-footer,.m-tabbar,.m-top{display:none}

@media (max-width: 768px) {

  /* ============ 0. 变量 + 基础重置 ============ */
  :root {
    --m-brand: #009fff;
    --m-brand-d: #0084d4;
    --m-brand-l: #e6f5ff;
    --m-brand-ll: #f2f9ff;
    --m-ink: #333333;
    --m-ink-2: #777777;
    --m-ink-3: #9aa4b2;
    --m-bg: #f5f7fa;
    --m-card: #ffffff;
    --m-line: #eef1f5;
    --m-radius: 12px;
    --m-shadow: 0 2px 10px rgba(16, 60, 100, .06);
    --m-gap: 12px;
    --m-pad: 16px;
    --m-sec: 24px;
    --m-font: -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    --m-tab-h: 52px;
    --m-topbar-h: 52px;
    --m-safe: env(safe-area-inset-bottom, 0px);
    --m-tab-total: calc(var(--m-tab-h) + var(--m-safe));
  }

  /* 顶栏 fixed 后给正文让位；底部给 Tab 让位 */
  body {
    padding-top: var(--m-topbar-h) !important;
    padding-bottom: calc(var(--m-tab-total) + 12px) !important;
    font-family: var(--m-font);
    -webkit-font-smoothing: antialiased;
  }
  body.is-drawer-open,
  body.is-overlay-open {
    overflow: hidden;
  }

  /* 版心收窄为满宽（common.css 中 .w3 = 95%、.w2 = 85%） */
  .w2,
  .w3 {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  /* 停用 PC 导航 / 旧移动菜单 / 旧移动底栏（由 m-* 体系接管） */
  .head,
  .ydbtn,
  .a_txt,
  .mbfoot,
  .mbzd,
  .foot {
    display: none !important;
  }

  /* ============ 1. 图标（内联 SVG，文字兜底） ============ */
  .m-ico { display: inline-flex; align-items: center; justify-content: center; line-height: 1; }
  .m-ico svg { display: block; }
  .m-ico i { display: none; font-style: normal; font-weight: 600; font-size: .85em; letter-spacing: 0; }
  html.no-svg .m-ico svg { display: none; }
  html.no-svg .m-ico i { display: inline-block; }

  /* ============ 2. 顶栏 / 面包屑 ============ */
  .m-topbar {
    display: flex;
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    height: var(--m-topbar-h);
    padding: 0 var(--m-pad);
    display: flex; align-items: center; gap: 10px;
    background: #fff;
    border-bottom: 1px solid var(--m-line);
    box-shadow: 0 1px 6px rgba(16, 60, 100, .05);
  }
  .m-topbar-logo { display: flex; align-items: center; flex: 1; min-width: 0; text-decoration: none; }
  .m-topbar-logo img { display: block; height: auto; max-height: 32px; max-width: 60%; }
  .m-topbar-acts { display: flex; gap: 2px; align-items: center; }
  .m-iconbtn {
    width: 36px; height: 36px; padding: 0; border: 0; border-radius: 10px;
    background: transparent; color: var(--m-ink);
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 19px; cursor: pointer; -webkit-tap-highlight-color: transparent;
  }
  .m-iconbtn:active { background: rgba(0, 159, 255, .10); }

  .m-backbar { position: relative; height: 46px; display: flex; align-items: center; gap: 6px; padding: 0 var(--m-pad); background: #fff; }
  .m-backbar a { display: inline-flex; align-items: center; gap: 6px; color: var(--m-ink); text-decoration: none; font-size: 14px; }
  .m-crumb { padding: 10px var(--m-pad) 0; font-size: 12px; color: var(--m-ink-3); }
  .m-crumb a { color: var(--m-ink-2); text-decoration: none; }
  .m-crumb b { color: var(--m-ink); font-weight: 600; }
  .m-pagetitle { margin: 0; padding: 14px var(--m-pad) 4px; font-size: 20px; font-weight: 700; line-height: 1.3; }

  /* 内页顶部横幅：移动端整块隐藏（fixed 顶栏已承担页面标识；旧 992 断点的 260px 横幅一并失效） */
  .nyhead {
    display: none !important;
  }

  /* ============ 3. 按钮 / 卡片 / 标签 / 分区标题 ============ */
  .m-card { background: var(--m-card); border-radius: var(--m-radius); box-shadow: var(--m-shadow); padding: 14px; }
  .m-card + .m-card { margin-top: var(--m-gap); }
  .m-cardtitle { margin: 0 0 8px; font-size: 15px; font-weight: 700; color: var(--m-ink); }
  .m-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    min-height: 40px; padding: 0 16px; border-radius: 10px; border: 1px solid transparent;
    font-size: 14px; font-weight: 600; text-decoration: none; white-space: nowrap;
    background: var(--m-brand); color: #fff; cursor: pointer;
  }
  .m-btn.is-ghost { background: #fff; color: var(--m-brand); border-color: var(--m-brand); }
  .m-btn.is-gray { background: #f3f5f8; color: var(--m-ink); border-color: #e5eaf0; }
  .m-btn.is-sm { min-height: 32px; padding: 0 12px; font-size: 12px; border-radius: 8px; }
  .m-btn.is-block { display: flex; width: 100%; }
  .m-chip {
    flex: none; scroll-snap-align: start;
    padding: 7px 14px; border-radius: 999px; border: 1px solid #e3e9f0; background: #fff;
    font-size: 13px; color: var(--m-ink-2); line-height: 1.2; white-space: nowrap;
    text-decoration: none; cursor: pointer;
  }
  .m-chip.is-on { background: var(--m-brand); border-color: var(--m-brand); color: #fff; font-weight: 600; }
  .m-tag { display: inline-block; font-size: 11px; line-height: 1; padding: 4px 8px; border-radius: 6px; background: var(--m-brand-ll); color: var(--m-brand-d); }
  .m-scroll-x { display: flex; gap: 8px; overflow-x: auto; overflow-y: hidden; scroll-snap-type: x proximity; padding: 2px var(--m-pad); margin: 0 calc(var(--m-pad) * -1); scrollbar-width: none; }
  .m-scroll-x::-webkit-scrollbar { display: none; }

  .m-sec { padding: 0 var(--m-pad); margin-top: var(--m-sec); }
  .m-sec-hd { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: var(--m-gap); }
  .m-sec-title { margin: 0; font-size: 17px; font-weight: 700; line-height: 1.3; }
  .m-sec-title small { display: block; font-size: 10px; letter-spacing: 1px; color: var(--m-brand); margin-bottom: 2px; }
  .m-sec-more { font-size: 12px; color: var(--m-ink-2); text-decoration: none; display: inline-flex; align-items: center; gap: 2px; }
  .m-muted { color: var(--m-ink-2); }
  .m-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .m-clamp2 { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
  .m-note-inline { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; color: #b5901f; background: #fffbe6; border: 1px dashed #f0e2a0; border-radius: 6px; padding: 3px 8px; }
  .m-input {
    width: 100%; height: 40px; padding: 0 12px; border-radius: 10px;
    border: 1px solid #e3e9f0; background: #f7f9fc; font-size: 14px; color: var(--m-ink);
    outline: none; -webkit-appearance: none; appearance: none;
  }
  .m-input:focus { border-color: var(--m-brand); background: #fff; }

  /* 折叠（页脚 / 示例） */
  .m-foot [data-fold-body][hidden],
  .m-sample [data-fold-body][hidden] { display: none !important; }

  /* ============ 4. 图片占位 ============ */
  .m-ph {
    position: relative; width: 100%; aspect-ratio: 16 / 9;
    border-radius: 10px; overflow: hidden;
    background: linear-gradient(135deg, #e3f3ff 0%, #f4faff 55%, #e9f6ff 100%);
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px;
    color: #6fb9ee; text-align: center;
  }
  .m-ph::after { content: ''; position: absolute; inset: 0; background: repeating-linear-gradient(135deg, rgba(0, 159, 255, .045) 0 12px, transparent 12px 24px); }
  .m-ph .m-ico { font-size: 26px; color: #56a9e6; }
  .m-ph-cap { font-size: 11px; color: #5b9cc9; letter-spacing: .3px; }
  .m-ph.is-4x3 { aspect-ratio: 4 / 3; }
  .m-ph.is-sq { aspect-ratio: 1 / 1; border-radius: 10px; }
  .m-ph.is-thumb { aspect-ratio: 4 / 3; border-radius: 8px; }
  .m-ph.is-thumb .m-ico { font-size: 18px; }
  .m-ph.is-thumb .m-ph-cap { font-size: 10px; }

  /* ============ 5. 抽屉菜单 ============ */
  .m-drawer { display: block; position: fixed; inset: 0; z-index: 300; pointer-events: none; }
  .m-drawer .m-mask {
    position: absolute; inset: 0; background: rgba(12, 26, 40, .45);
    opacity: 0; transition: opacity .25s;
  }
  .m-drawer-panel {
    position: absolute; top: 0; bottom: 0; left: 0; width: 80%; max-width: 320px;
    background: #fff; transform: translateX(-102%);
    transition: transform .28s cubic-bezier(.4, 0, .2, 1);
    display: flex; flex-direction: column;
    box-shadow: 4px 0 20px rgba(0, 0, 0, .12);
  }
  .m-drawer.is-open { pointer-events: auto; }
  .m-drawer.is-open .m-mask { opacity: 1; }
  .m-drawer.is-open .m-drawer-panel { transform: translateX(0); }

  .m-drawer-hd {
    position: relative;
    padding: calc(14px + env(safe-area-inset-top, 0px)) 18px 14px;
    background: linear-gradient(135deg, var(--m-brand-d), var(--m-brand)); color: #fff;
    font-size: 15px; font-weight: 600;
  }
  .m-drawer-close {
    position: absolute; right: 10px; top: calc(12px + env(safe-area-inset-top, 0px));
    width: 34px; height: 34px; padding: 0; border: 0; border-radius: 50%;
    background: rgba(255, 255, 255, .18); color: #fff; font-size: 16px;
    display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
  }
  .m-drawer-nav { flex: 1; min-height: 0; overflow-x: hidden; overflow-y: auto; -webkit-overflow-scrolling: touch; padding: 6px 0; }
  .m-drawer-nav a,
  .m-drawer-nav button {
    display: flex; align-items: center; gap: 10px; width: 100%;
    padding: 13px 18px; font-size: 15px; color: var(--m-ink); text-decoration: none;
    border: 0; border-bottom: 1px solid var(--m-line); background: none; text-align: left;
    font-weight: 400; cursor: pointer;
  }
  .m-drawer-nav > a > .m-ico,
  .m-drawer-nav > button > .m-ico { width: 26px; height: 26px; flex: none; border-radius: 8px; background: var(--m-brand-ll); color: var(--m-brand); font-size: 15px; }
  .m-drawer-nav .m-ext { margin-left: 6px; flex: none; font-size: 10px; line-height: 1; padding: 3px 5px; border-radius: 4px; background: #fff3e0; color: #c77700; }
  .m-drawer-nav .m-arrow { margin-left: auto; color: var(--m-ink-3); font-size: 15px; transition: transform .2s; }
  .m-drawer-nav button[aria-expanded="true"] .m-arrow { transform: rotate(90deg); }

  .m-drawer-item { border-bottom: 1px solid var(--m-line); }
  .m-drawer-item > a { position: relative; border-bottom: 0; }
  .m-drawer-item > a::after { content: '›'; margin-left: auto; color: var(--m-ink-3); font-size: 15px; }
  .m-drawer-item > a { flex-wrap: wrap; box-sizing: border-box; width: auto; }
  .m-drawer-item > a .ext { margin-left: 6px; font-style: normal; font-size: 10px; line-height: 1; padding: 3px 5px; border-radius: 4px; background: #fff3e0; color: #c77700; }
  .m-drawer-sub { display: none; padding: 2px 18px 8px 54px; background: #fbfdff; border-top: 1px solid var(--m-line); }
  .m-drawer-sub a { display: block; padding: 10px 0; font-size: 14px; color: var(--m-ink-2); border-bottom: 1px dashed var(--m-line); text-decoration: none; }
  .m-drawer-sub a:last-child { border-bottom: 0; }
  .m-drawer-sub a::before { content: ''; display: inline-block; width: 5px; height: 5px; border-radius: 50%; background: #bfd6e8; margin-right: 8px; vertical-align: 2px; }
  .m-drawer-item.is-expanded > .m-drawer-sub { display: block; }

  .m-drawer-ft { padding: 12px 18px calc(20px + env(safe-area-inset-bottom, 0px)); display: flex; flex-direction: column; gap: 8px; }
  .m-callbtn { display: flex; align-items: center; justify-content: center; min-height: 44px; border-radius: 10px; background: var(--m-brand); color: #fff; font-size: 15px; font-weight: 600; text-decoration: none; }
  .m-callbtn:active { background: var(--m-brand-d); }
  .m-drawer-ft small { text-align: center; font-size: 11px; color: var(--m-ink-3); }

  /* ============ 6. 搜索浮层 ============ */
  .m-search {
    position: fixed; inset: 0; z-index: 310;
    display: none; background: rgba(12, 26, 40, .45);
    padding: calc(var(--m-topbar-h) + 12px) var(--m-pad) calc(var(--m-tab-total) + 12px);
    overflow-y: auto; -webkit-overflow-scrolling: touch;
  }
  .m-search.is-open { display: block; }
  .m-search form {
    display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
    background: #fff; border-radius: 12px; padding: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .15);
  }
  .m-search input {
    flex: 1; min-width: 0; height: 40px; padding: 0 12px; border-radius: 10px;
    border: 1px solid #e3e9f0; background: #f7f9fc; font-size: 15px; color: var(--m-ink);
    outline: none; -webkit-appearance: none; appearance: none;
  }
  .m-search input:focus { border-color: var(--m-brand); background: #fff; }
  .m-search button {
    flex: none; height: 40px; padding: 0 14px; border: 0; border-radius: 10px;
    background: var(--m-brand); color: #fff; font-size: 14px; font-weight: 600; cursor: pointer;
  }
  .m-search button[data-close] { background: #f3f5f8; color: var(--m-ink-2); }
  .m-search-hot { flex: 1 0 100%; display: flex; flex-wrap: wrap; gap: 6px; margin-top: 2px; }
  .m-search-hot a { font-size: 12px; color: var(--m-ink-2); background: #f3f6f9; border-radius: 999px; padding: 5px 10px; text-decoration: none; }
  .m-search-acts { flex: 1 0 100%; display: flex; gap: 8px; margin-top: 4px; }
  .m-search-acts .m-btn { flex: 1; min-width: 0; padding: 0 8px; font-size: 13px; height: 38px; min-height: 38px; }

  /* ============ 7. 页脚（折叠） ============ */
  .m-footer {
    display: block;
    margin-top: var(--m-sec);
    padding: 18px var(--m-pad) 12px;
    background: #eef1f5; color: var(--m-ink-2);
    font-size: 11.5px; line-height: 1.8;
  }
  .m-footer a { color: var(--m-ink-2); text-decoration: none; }
  .m-foot-top {
    display: flex; align-items: center; justify-content: space-between; gap: 8px;
    font-size: 13px; color: var(--m-ink); font-weight: 600;
    cursor: pointer; -webkit-tap-highlight-color: transparent;
  }
  .m-foot-top .m-arrow { font-size: 16px; color: var(--m-ink-2); transform: rotate(180deg); transition: transform .2s; }
  .m-foot-top[aria-expanded="false"] .m-arrow { transform: rotate(0); }
  .m-footer-fold b,
  .m-footer-info b { display: block; color: var(--m-ink); font-size: 13px; margin-top: 8px; }
  .m-foot-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
  .m-foot-cols b { margin-top: 0; font-size: 13px; }
  .m-foot-cols a { display: block; font-size: 12px; line-height: 2; color: var(--m-ink-2); }
  .m-foot-cols a .ext { font-style: normal; font-size: 10px; color: #c77700; }
  .m-footer-info { padding-bottom: 4px; }
  .m-foot-line { margin-top: 6px; color: var(--m-ink-3); }
  .m-foot-line a { color: var(--m-ink-2); }
  .m-footer-cp {
    margin-top: 12px; padding-top: 10px;
    border-top: 1px solid #e2e7ee;
    font-size: 11px; color: var(--m-ink-3); line-height: 1.7;
  }
  .m-footer-cp a { color: var(--m-ink-3); }

  /* ============ 8. 底部 Tab ============ */
  .m-tabbar {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 200;
    display: flex; align-items: stretch;
    height: var(--m-tab-total);
    padding: 6px 4px calc(6px + var(--m-safe));
    background: rgba(255, 255, 255, .98);
    border-top: 1px solid var(--m-line);
    box-shadow: 0 -4px 14px rgba(16, 60, 100, .06);
  }
  .m-tab {
    flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 2px;
    font-size: 11px; line-height: 1.2; color: var(--m-ink-2); text-decoration: none;
    border-radius: 10px; -webkit-tap-highlight-color: transparent;
  }
  .m-tab .m-ico { font-size: 21px; }
  .m-tab.on,
  .m-tab.is-on { color: var(--m-brand); font-weight: 600; }
  .m-tab.on .m-ico,
  .m-tab.is-on .m-ico { transform: translateY(-1px); }

  /* ============ 9. 返回顶部 ============ */
  /* 悬浮客服不恢复：common.css ≤992px 隐藏的现状保持，联系入口由 Tab「联系」与联系页承担 */
  .m-top {
    position: fixed; right: 12px; bottom: calc(var(--m-tab-total) + 16px); z-index: 95;
    width: 40px; height: 40px; padding: 0; border: 0; border-radius: 50%;
    background: #16232f; color: #fff; font-size: 18px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, .2);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; pointer-events: none; transition: opacity .2s; cursor: pointer;
  }
  .m-top.is-show { opacity: .92; pointer-events: auto; }

  /* ============ 10. 内容组件（后续阶段复用） ============ */
  /* 首页 */
  .m-hero { position: relative; padding: 22px 20px 24px; color: #fff; background: linear-gradient(135deg, #0084d4 0%, #009fff 55%, #4cc3ff 100%); overflow: hidden; }
  .m-hero::after { content: ''; position: absolute; width: 220px; height: 220px; border-radius: 50%; right: -80px; top: -90px; background: rgba(255, 255, 255, .12); }
  .m-hero::before { content: ''; position: absolute; width: 140px; height: 140px; border-radius: 50%; right: 30px; bottom: -90px; background: rgba(255, 255, 255, .08); }
  .m-hero-tag { display: inline-block; font-size: 11px; line-height: 1; padding: 5px 9px; border-radius: 999px; background: rgba(255, 255, 255, .18); margin-bottom: 12px; }
  .m-hero-title { margin: 0 0 10px; font-size: 30px; font-weight: 800; letter-spacing: 3px; line-height: 1.2; }
  .m-hero-desc { margin: 0 0 18px; font-size: 13px; line-height: 1.7; color: rgba(255, 255, 255, .88); max-width: 300px; }
  .m-hero-btns { display: flex; gap: 10px; position: relative; z-index: 1; }
  .m-hero-btns .m-btn { flex: 1; height: 42px; }
  .m-hero-btns .m-btn.is-solid { background: #fff; color: var(--m-brand-d); }
  .m-hero-btns .m-btn.is-line { background: rgba(255, 255, 255, .10); border-color: rgba(255, 255, 255, .7); }
  .m-hero-hint { margin: 10px 0 0; font-size: 11px; color: rgba(255, 255, 255, .72); }
  .m-feat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--m-gap); }
  .m-feat { background: #fff; border-radius: var(--m-radius); box-shadow: var(--m-shadow); padding: 14px; }
  .m-feat-ico { width: 36px; height: 36px; border-radius: 10px; background: linear-gradient(135deg, var(--m-brand-l), #d9efff); color: var(--m-brand); font-size: 19px; display: flex; align-items: center; justify-content: center; margin-bottom: 10px; }
  .m-feat b { display: block; font-size: 14px; font-weight: 600; margin-bottom: 4px; }
  .m-feat p { margin: 0; font-size: 12px; line-height: 1.6; color: var(--m-ink-2); }
  .m-democ { flex: none; width: 272px; scroll-snap-align: start; background: #fff; border-radius: var(--m-radius); box-shadow: var(--m-shadow); overflow: hidden; text-decoration: none; color: inherit; }
  .m-democ .m-ph { border-radius: 0; }
  .m-democ-bd { padding: 12px 14px 14px; }
  .m-democ-bd b { display: block; font-size: 15px; font-weight: 700; margin-bottom: 6px; }
  .m-democ-bd p { margin: 0; font-size: 12px; line-height: 1.65; color: var(--m-ink-2); }
  .m-casegrid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--m-gap); }
  .m-casei { display: block; background: #fff; border-radius: var(--m-radius); box-shadow: var(--m-shadow); overflow: hidden; text-decoration: none; color: inherit; }
  .m-casei .m-ph { border-radius: 0; }
  .m-casei-bd { padding: 9px 12px 11px; }
  .m-casei-bd b { display: block; font-size: 14px; font-weight: 600; margin-bottom: 3px; }
  .m-casei-bd span { display: block; font-size: 11px; line-height: 1.5; color: var(--m-ink-2); }

  /* 应用列表 / 详情 */
  .m-searchbar { display: flex; align-items: center; gap: 8px; padding: 4px var(--m-pad) 0; }
  .m-searchbar-wrap { position: relative; flex: 1; min-width: 0; }
  .m-searchbar-wrap > .m-ico { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--m-ink-3); font-size: 16px; pointer-events: none; }
  .m-searchbar .m-input { padding-left: 34px; }
  .m-appc { display: flex; gap: 12px; background: #fff; border-radius: var(--m-radius); box-shadow: var(--m-shadow); padding: 14px; text-decoration: none; color: inherit; }
  .m-appc + .m-appc { margin-top: var(--m-gap); }
  .m-appc-ico { flex: none; width: 64px; height: 64px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 28px; color: #fff; background: linear-gradient(135deg, var(--m-brand), #47c2ff); box-shadow: 0 4px 10px rgba(0, 132, 212, .22); }
  .m-appc-ico.c2 { background: linear-gradient(135deg, #18b77a, #4ce0a5); }
  .m-appc-ico.c3 { background: linear-gradient(135deg, #7c5cff, #b18bff); }
  .m-appc-ico.c4 { background: linear-gradient(135deg, #ff8a3d, #ffb86b); }
  .m-appc-bd { flex: 1; min-width: 0; }
  .m-appc-top { display: flex; align-items: baseline; gap: 8px; margin-bottom: 4px; }
  .m-appc-top b { font-size: 15px; font-weight: 600; min-width: 0; }
  .m-appc-top time { margin-left: auto; flex: none; font-size: 11px; color: var(--m-ink-3); }
  .m-appc-meta { font-size: 11px; line-height: 1.6; color: var(--m-ink-2); }
  .m-appc-meta i { font-style: normal; color: var(--m-ink-3); display: inline-block; min-width: 60px; }
  .m-apphead { background: #fff; padding: 14px var(--m-pad) 16px; }
  .m-apphead .row { display: flex; align-items: center; gap: 12px; margin: 0; }
  .m-apphead .m-appc-ico { width: 52px; height: 52px; border-radius: 12px; font-size: 23px; }
  .m-apphead h1 { margin: 0; font-size: 20px; font-weight: 700; line-height: 1.3; }
  .m-apphead h1 small { display: block; font-size: 11px; font-weight: 400; color: var(--m-ink-3); margin-top: 2px; }
  .m-ptable { width: 100%; border-collapse: collapse; font-size: 13px; }
  .m-ptable th, .m-ptable td { padding: 9px 0; border-bottom: 1px solid var(--m-line); text-align: left; }
  .m-ptable th { width: 38%; color: var(--m-ink-2); font-weight: 400; }
  .m-ptable tr:last-child th, .m-ptable tr:last-child td { border-bottom: 0; }
  .m-appintro p { margin: 0 0 8px; font-size: 13px; line-height: 1.8; color: var(--m-ink-2); }
  .m-appintro p:last-child { margin-bottom: 0; }

  /* 下载 / 空态 / 搜索 */
  .m-loadmore { display: flex; align-items: center; justify-content: center; gap: 6px; width: 100%; height: 44px; margin-top: var(--m-gap); border-radius: 999px; border: 1px solid #dbe7f3; background: #fff; color: var(--m-brand); font-size: 14px; font-weight: 600; }
  .m-tabs-line { display: flex; gap: 4px; padding: 0 var(--m-pad); overflow-x: auto; scrollbar-width: none; background: #fff; }
  .m-tabs-line::-webkit-scrollbar { display: none; }
  .m-tabs-line > * { flex: none; position: relative; border: 0; background: none; padding: 10px 10px 12px; font-size: 14px; color: var(--m-ink-2); text-decoration: none; white-space: nowrap; }
  .m-tabs-line > .is-on { color: var(--m-brand); font-weight: 700; }
  .m-tabs-line > .is-on::after { content: ''; position: absolute; left: 50%; bottom: 4px; width: 18px; height: 3px; margin-left: -9px; border-radius: 2px; background: var(--m-brand); }
  .m-dl { display: flex; align-items: center; gap: 12px; background: #fff; border-radius: var(--m-radius); box-shadow: var(--m-shadow); padding: 12px 14px; }
  .m-dl + .m-dl { margin-top: 10px; }
  .m-dl-badge { flex: none; width: 44px; height: 50px; border-radius: 8px 8px 8px 2px; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 800; letter-spacing: .3px; background: var(--m-brand); }
  .m-dl-badge.zip { background: #ff9f1a; }
  .m-dl-badge.pdf { background: #f5515f; }
  .m-dl-badge.doc { background: #4b8ef7; }
  .m-dl-badge.exe { background: #7c5cff; }
  .m-dl-bd { flex: 1; min-width: 0; }
  .m-dl-bd b { display: block; font-size: 14px; font-weight: 600; line-height: 1.45; }
  .m-dl-bd span { font-size: 11px; color: var(--m-ink-3); }
  .m-dl .m-btn { flex: none; }
  .m-empty { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 22px 18px 20px; background: #fff; border-radius: var(--m-radius); box-shadow: var(--m-shadow); }
  .m-empty-ico { position: relative; width: 96px; height: 96px; border-radius: 50%; background: radial-gradient(circle at 50% 40%, #eaf6ff, #f6fbff 70%); display: flex; align-items: center; justify-content: center; color: #7fc3f0; font-size: 44px; margin-bottom: 14px; }
  .m-empty-ico::after { content: ''; position: absolute; inset: -8px; border-radius: 50%; border: 1px dashed #cfeaff; }
  .m-empty b { font-size: 16px; font-weight: 700; }
  .m-empty p { margin: 6px 0 16px; font-size: 12.5px; line-height: 1.7; color: var(--m-ink-2); max-width: 260px; }
  .m-empty .m-btn { min-width: 160px; }
  .m-sample { margin-top: var(--m-gap); border: 1px dashed #d7e3ee; border-radius: var(--m-radius); background: #fbfdff; padding: 4px 12px 12px; }
  .m-sample-hd { display: flex; align-items: center; gap: 6px; padding: 8px 0 2px; font-size: 12px; font-weight: 600; color: var(--m-ink-2); }
  .m-sample-hd .m-tag { margin-left: auto; }
  .m-sample .m-dl { box-shadow: none; border: 1px solid var(--m-line); }
  .m-resultstat { padding: 4px var(--m-pad) 0; font-size: 12px; color: var(--m-ink-2); }
  .m-resultstat b { color: var(--m-brand); font-size: 13px; }
  .m-result { display: block; background: #fff; border-radius: var(--m-radius); box-shadow: var(--m-shadow); padding: 14px; text-decoration: none; color: inherit; }
  .m-result + .m-result { margin-top: var(--m-gap); }
  .m-result-hd { display: flex; align-items: center; gap: 8px; }
  .m-result-hd b { font-size: 15px; font-weight: 600; min-width: 0; }
  .m-result-hd .m-tag { margin-left: auto; flex: none; }
  .m-result p { margin: 6px 0 0; font-size: 12px; line-height: 1.6; color: var(--m-ink-2); }
  .m-result mark { background: var(--m-brand-l); color: var(--m-brand-d); padding: 0 1px; border-radius: 3px; }
  .m-empty-sm { display: flex; align-items: center; gap: 12px; background: #fff; border-radius: var(--m-radius); box-shadow: var(--m-shadow); padding: 16px 14px; }
  .m-empty-sm .m-ico { width: 40px; height: 40px; border-radius: 50%; background: #f2f6fa; color: var(--m-ink-3); font-size: 20px; flex: none; }
  .m-empty-sm b { display: block; font-size: 14px; }
  .m-empty-sm span { font-size: 12px; color: var(--m-ink-2); }

  /* 关于 / 联系 */
  .m-about-lead { padding: 16px var(--m-pad) 0; }
  .m-about-p { margin: 0; font-size: 14px; line-height: 1.85; color: var(--m-ink); }
  .m-honor-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
  .m-honor { background: #fff; border-radius: 10px; box-shadow: var(--m-shadow); overflow: hidden; }
  .m-honor .m-ph { border-radius: 0; }
  .m-honor b { display: block; padding: 8px 10px; font-size: 12px; font-weight: 600; color: var(--m-ink-2); }
  .m-partner-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
  .m-partner { height: 58px; border-radius: 8px; background: #eef1f5; display: flex; align-items: center; justify-content: center; font-size: 11px; color: #8a95a3; font-weight: 600; letter-spacing: .5px; }
  .m-contact-phone { display: flex; align-items: center; gap: 14px; padding: 16px; border-radius: var(--m-radius); color: #fff; background: linear-gradient(135deg, var(--m-brand-d), var(--m-brand)); text-decoration: none; box-shadow: 0 6px 16px rgba(0, 132, 212, .28); }
  .m-contact-phone .m-ico { width: 46px; height: 46px; border-radius: 14px; background: rgba(255, 255, 255, .18); font-size: 24px; flex: none; }
  .m-contact-phone small { display: block; font-size: 12px; opacity: .85; }
  .m-contact-phone b { display: block; font-size: 23px; letter-spacing: .5px; line-height: 1.3; }
  .m-contact-phone .m-go { margin-left: auto; font-size: 12px; padding: 6px 12px; border-radius: 999px; background: #fff; color: var(--m-brand-d); font-weight: 700; flex: none; }
  .m-crow { display: flex; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--m-line); font-size: 13.5px; }
  .m-crow:last-child { border-bottom: 0; }
  .m-crow > .m-ico { flex: none; width: 30px; height: 30px; border-radius: 8px; background: var(--m-brand-ll); color: var(--m-brand); font-size: 16px; }
  .m-crow span { flex: none; width: 44px; color: var(--m-ink-2); font-size: 13px; line-height: 1.7; }
  .m-crow b { font-weight: 500; line-height: 1.7; min-width: 0; word-break: break-all; }
  .m-crow a { color: var(--m-brand-d); text-decoration: none; }
  .m-qr { display: flex; align-items: center; gap: 16px; }
  .m-qr-box { position: relative; flex: none; width: 124px; height: 124px; border-radius: 10px; border: 1px solid #e3e9f0; background: repeating-conic-gradient(#f4f8fc 0 25%, #fff 0 50%) 0 0 / 14px 14px; display: flex; align-items: center; justify-content: center; overflow: hidden; }
  .m-qr-box img { width: 100%; height: 100%; object-fit: contain; }
  .m-qr-box span { position: relative; font-size: 12px; color: var(--m-ink-3); background: #fff; border-radius: 6px; padding: 3px 8px; border: 1px dashed #cfe0ee; }
  .m-qr b { display: block; font-size: 15px; font-weight: 700; margin-bottom: 4px; }
  .m-qr p { margin: 0 0 10px; font-size: 12px; color: var(--m-ink-2); line-height: 1.65; }
  .m-qr code { display: inline-block; font-family: var(--m-font); font-size: 12.5px; background: #f3f6f9; color: var(--m-ink); border-radius: 6px; padding: 3px 8px; }

  /* 选型 */
  .m-selhero { position: relative; padding: 18px 0; background: linear-gradient(180deg, #f2f9ff, #ffffff); border-bottom: 1px solid var(--m-line); }
  .m-selhero > .m-tag { margin: 0 var(--m-pad) 8px; background: #fff; color: var(--m-brand-d); border: 1px solid #bfe4ff; }
  .m-selhero h1 { margin: 0 var(--m-pad) 8px; font-size: 22px; font-weight: 800; line-height: 1.35; }
  .m-selhero h1 em { font-style: normal; color: var(--m-brand); }
  .m-selhero p { margin: 0 var(--m-pad) 12px; font-size: 13px; color: var(--m-ink-2); line-height: 1.65; }
  .m-selstats { display: flex; gap: 26px; flex-wrap: wrap; padding: 0 var(--m-pad); }
  .m-selstats b { display: block; font-size: 20px; color: var(--m-brand); line-height: 1.3; }
  .m-selstats span { font-size: 11.5px; color: var(--m-ink-3); }
  .m-formtile { flex: none; scroll-snap-align: start; width: 100px; display: flex; flex-direction: column; align-items: center; gap: 4px; padding: 12px 6px 10px; border-radius: var(--m-radius); background: #fff; border: 1px solid #e8eef5; text-decoration: none; color: inherit; }
  .m-formtile .m-ico { width: 38px; height: 38px; border-radius: 11px; background: var(--m-brand-ll); color: var(--m-brand); font-size: 20px; margin-bottom: 2px; }
  .m-formtile b { font-size: 12.5px; font-weight: 600; white-space: nowrap; }
  .m-formtile span { font-size: 9.5px; letter-spacing: .3px; color: var(--m-ink-3); }
  .m-formtile.is-on { border-color: var(--m-brand); background: var(--m-brand-ll); box-shadow: 0 4px 12px rgba(0, 132, 212, .12); }
  .m-formtile.is-on .m-ico { background: var(--m-brand); color: #fff; }
  .m-wiz { background: #fff; border-radius: 14px; box-shadow: var(--m-shadow); overflow: hidden; }
  .m-wiz-hd { padding: 14px 16px 0; display: flex; justify-content: space-between; align-items: baseline; }
  .m-wiz-hd b { font-size: 15px; font-weight: 700; }
  .m-wiz-hd span { font-size: 12px; color: var(--m-ink-3); }
  .m-minidots { display: flex; gap: 5px; padding: 10px 16px 12px; border-bottom: 1px solid var(--m-line); }
  .m-minidots i, .m-minidots .done, .m-minidots .cur { flex: 1; height: 4px; border-radius: 2px; background: #e6ecf2; }
  .m-minidots .done { background: #bfe4ff; }
  .m-minidots .cur { background: var(--m-brand); }
  .m-wsum { display: flex; flex-wrap: wrap; gap: 6px; padding: 12px 16px 0; }
  .m-wsum .m-tag { background: var(--m-brand-ll); border: 1px solid #bfe4ff; color: var(--m-brand-d); border-radius: 999px; padding: 4px 10px; }
  .m-wq { padding: 12px 16px 4px; }
  .m-wq b { display: block; font-size: 15.5px; font-weight: 700; line-height: 1.4; }
  .m-wq span { font-size: 12px; color: var(--m-ink-3); }
  .m-wopts { display: flex; flex-direction: column; gap: 8px; padding: 10px 16px 14px; }
  .m-wopt { display: flex; align-items: center; gap: 10px; width: 100%; text-align: left; padding: 12px 14px; border-radius: 10px; border: 1px solid #e3e9f0; background: #fff; font-size: 14px; color: var(--m-ink); }
  .m-wopt i, .m-wopt.is-on i { flex: none; width: 18px; height: 18px; border-radius: 50%; border: 2px solid #cfdae5; }
  .m-wopt.is-on { border-color: var(--m-brand); background: var(--m-brand-ll); color: var(--m-brand-d); font-weight: 600; }
  .m-wopt.is-on i { border-color: var(--m-brand); background: radial-gradient(circle, var(--m-brand) 0 45%, #fff 48% 100%); }
  .m-wnav { display: flex; gap: 8px; padding: 0 16px 14px; }
  .m-wnav .m-btn { flex: 1; }

  /* ============ 11. 下载中心移动版式（downloadlist.html，对齐原型 s04） ============ */
  /* PC 两栏改单列 */
  .download-wrapper { display: flex !important; flex-direction: column; gap: 12px !important; width: 100% !important; }
  .download-container { padding: 0 var(--m-pad) !important; min-height: 0 !important; }
  .main-container { min-height: 0 !important; }

  /* 分类：横滑胶囊（版心内白卡，卡内 12px 缩进） */
  .download-sidebar { width: 100% !important; background: #fff !important; border-radius: var(--m-radius) !important; box-shadow: none !important; padding: 12px 0 10px !important; overflow: visible !important; }
  .download-sidebar-title { display: none !important; }
  .download-sidebar { margin: 0 !important; }
  .download-nav {
    display: flex !important; flex-wrap: nowrap !important; gap: 8px !important;
    padding: 0 12px !important;
    margin: 0 !important;
    overflow-x: auto !important; overflow-y: hidden;
    scroll-snap-type: x proximity;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
  }
  .download-nav::-webkit-scrollbar { display: none; }
  .download-nav-item {
    display: inline-flex !important; align-items: center; justify-content: center;
    flex: none !important; min-width: 0 !important; width: auto !important;
    padding: 7px 16px !important;
    border: 1px solid var(--m-line) !important;
    border-radius: 999px !important;
    background: #fff !important;
    color: var(--m-ink-2) !important;
    font-size: 13px !important; font-weight: 400 !important; line-height: 1.4;
    white-space: nowrap; text-decoration: none;
    scroll-snap-align: start;
  }
  .download-nav-item i { display: none !important; }
  .download-nav-item span { flex: none !important; font-size: inherit !important; }
  .download-nav-item:hover { background: #fff !important; color: var(--m-ink-2) !important; border-color: var(--m-line) !important; }
  .download-nav-item.active,
  .download-nav-item.active:hover {
    background: var(--m-brand) !important;
    border-color: var(--m-brand) !important;
    color: #fff !important;
    font-weight: 600 !important;
  }

  /* 内容区 */
  .download-content { width: 100% !important; min-width: 0 !important; }
  .download-header { background: transparent !important; padding: 4px 0 0 !important; box-shadow: none !important; border-radius: 0 !important; margin-bottom: 12px !important; }
  .download-header .download-title { font-size: 20px !important; font-weight: 700 !important; color: var(--m-ink) !important; margin-bottom: 0 !important; }
  .download-header .download-breadcrumb { display: none !important; visibility: hidden !important; height: 0 !important; margin: 0 !important; padding: 0 !important; }

  /* 资源列表 */
  .download-list { flex-direction: column !important; gap: 12px !important; }
  .download-item {
    display: flex !important;
    flex-direction: row !important;
    align-items: flex-start;
    gap: 12px !important;
    padding: 14px !important;
    background: #fff !important;
    border-radius: var(--m-radius) !important;
    box-shadow: none !important;
  }
  .download-item-icon {
    flex: none; width: 40px !important; height: 40px !important;
    border-radius: 10px !important;
    background: var(--m-brand-ll) !important;
    color: var(--m-brand) !important;
    display: flex; align-items: center; justify-content: center;
  }
  .download-item-icon i { font-size: 20px !important; color: var(--m-brand) !important; }
  .download-item-info { flex: 1; min-width: 0; }
  .download-item-title { font-size: 15px !important; font-weight: 600 !important; color: var(--m-ink) !important; margin-bottom: 6px !important; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .download-item-meta { display: flex !important; flex-wrap: wrap; align-items: center; gap: 4px 10px !important; margin-bottom: 6px !important; }
  .download-item-size, .download-item-date, .download-item-downloads { font-size: 12px !important; color: var(--m-ink-2) !important; gap: 4px !important; }
  .download-item-size i, .download-item-date i, .download-item-downloads i { font-size: 12px !important; }
  .download-item-desc {
    display: -webkit-box !important;
    -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden;
    font-size: 12px !important; line-height: 1.6; color: var(--m-ink-2) !important; margin-bottom: 0 !important;
  }
  .download-item-actions { display: flex !important; align-self: center !important; width: auto !important; flex: none; }
  .download-btn, .view-btn {
    flex: none !important; min-width: 0 !important; width: auto !important;
    padding: 8px 14px !important;
    border-radius: 8px !important;
    font-size: 13px !important;
    white-space: nowrap !important;
  }
  .download-btn { background: var(--m-brand) !important; color: #fff !important; }
  .download-btn i { font-size: 13px !important; }

  /* 空态：白卡 + 48px 圆底浅蓝图标 */
  .download-empty {
    display: flex !important; flex-direction: column; align-items: center; justify-content: center;
    padding: 44px 16px !important;
    background: #fff !important;
    border-radius: var(--m-radius) !important;
    box-shadow: none !important;
    text-align: center;
  }
  .download-empty > i {
    display: flex; align-items: center; justify-content: center;
    width: 48px !important; height: 48px !important;
    border-radius: 50% !important;
    background: var(--m-brand-ll) !important;
    color: var(--m-brand) !important;
    font-size: 24px !important;
    margin-bottom: 12px !important;
  }
  .download-empty p { margin: 0 !important; font-size: 15px !important; font-weight: 600 !important; color: var(--m-ink) !important; }
  .download-empty p + p { margin-top: 6px !important; font-size: 12px !important; font-weight: 400 !important; color: var(--m-ink-2) !important; }

  /* 分页 */
  .pagebar { margin-top: 16px !important; padding: 0 !important; overflow: visible !important; }
  .pagebar .pagination { display: flex !important; flex-wrap: wrap !important; justify-content: center !important; align-items: center; gap: 6px !important; margin-top: 0 !important; }
  .pagination a {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 36px; height: 36px; margin: 0 !important;
    padding: 0 10px !important;
    background: #fff !important;
    border: 1px solid var(--m-line) !important;
    border-radius: 8px !important;
    font-size: 13px !important; line-height: 1 !important; color: var(--m-ink-2) !important;
  }
  .pagination a:hover { color: var(--m-ink-2) !important; border-color: var(--m-line) !important; }
  .pagination a.page-num-current,
  .pagination a.page-num-current:hover {
    background: var(--m-brand) !important;
    border-color: var(--m-brand) !important;
    color: #fff !important;
  }
  .pagination span { color: var(--m-ink-3) !important; font-size: 13px !important; padding: 0 2px !important; }
}