/* ===== 服务支持页面（探索更多 + 分类 FAQ，官方会轻松 App 常见问题） ===== */

/* 彻底禁用滚动吸附，避免小屏跳来跳去；锚点跳转保留固定顶栏偏移 */
@media(min-width:1024px){
  html.support-root{scroll-snap-type:none;scroll-behavior:auto}
}
html.support-root{scroll-padding-top:84px}

/* 粘性页脚：内容不满一屏时，页脚始终贴住视口底部 */
.support-page{min-height:100svh;display:flex;flex-direction:column}
.support-page main{flex:1 0 auto}
.support-page .site-footer{flex-shrink:0}

/* ---- 版式容器：顶部留白与购买页一致 ---- */
.support-layout{width:min(100%,1160px);margin:0 auto;padding:0 20px}

/* ---- 通用小节标题 ---- */
.support-section-head{margin:0 0 22px;text-align:left}
.support-section-head .eyebrow{margin-bottom:8px}
.support-section-head h2{margin-bottom:12px;font-size:clamp(26px,3.6vw,36px);line-height:1.2;letter-spacing:.02em}

/* ---- 探索更多：两张图文卡并排（桌面） ---- */
.support-more{padding-top:100px;padding-bottom:16px}
@media(min-width:760px){.support-more{padding-top:130px}}
@media(min-width:1024px) and (max-width:1179px){.support-more{padding-top:128px}}
@media(min-width:1180px){.support-more{padding-top:176px}}

.support-more-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.support-more-card{position:relative;overflow:hidden;border-radius:22px;background:#e9eaed;box-shadow:0 14px 34px rgba(30,35,48,.1)}
.support-more-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease-out)}
.support-more-card:hover img{transform:scale(1.05)}
.support-more-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,9,12,.05),rgba(8,9,12,.78))}
.support-more-copy{position:relative;z-index:2;display:flex;min-height:240px;flex-direction:column;justify-content:flex-end;padding:22px 22px 20px;color:#fff;text-align:left}
.support-more-tag{width:max-content;margin-bottom:10px;padding:4px 11px;border:1px solid rgba(255,255,255,.3);border-radius:999px;background:rgba(255,255,255,.14);backdrop-filter:blur(8px);color:#fff;font-size:10px;font-weight:700;letter-spacing:.06em}
.support-more-copy h3{margin:0 0 6px;font-size:18px;line-height:1.3}
.support-more-copy p{margin:0;color:rgba(255,255,255,.75);font-size:12px;line-height:1.6}

/* ---- 常见问题：官方 FAQ ---- */
.support-faq{padding-top:72px;padding-bottom:88px}
.support-faq .support-section-head{text-align:center}
.support-faq .support-section-head h2{margin-bottom:10px}
.support-faq-sub{margin:0;color:#3a3a3f;font-size:clamp(16px,2.4vw,20px);font-weight:720;letter-spacing:.02em}
.support-faq-intro{margin:10px auto 0;max-width:660px;color:#6e6e73;font-size:13px;line-height:1.8}

/* 分类快速导航 */
.faq-cats{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin:26px 0 30px}
.faq-cats a{display:inline-flex;align-items:center;padding:8px 15px;border:1px solid rgba(29,29,31,.1);border-radius:999px;background:#fff;color:#55555b;font-size:12px;font-weight:650;transition:border-color .2s ease,color .2s ease,background .2s ease,transform .15s ease}
.faq-cats a:hover{border-color:rgba(255,107,61,.5);color:var(--orange);background:#fff7f2;transform:translateY(-1px)}
.faq-cats a:active{transform:scale(.97)}
.faq-cats a:focus-visible{outline:2px solid var(--orange);outline-offset:2px}

/* 分类手风琴区 */
.faq-groups{display:grid;gap:40px}
.faq-group{scroll-margin-top:88px}
.faq-group-title{display:flex;align-items:center;gap:12px;margin:0 0 16px;padding-bottom:12px;border-bottom:1px solid rgba(29,29,31,.08);font-size:clamp(18px,2.6vw,22px);font-weight:800;letter-spacing:.02em}
.faq-group-title::before{content:"";flex:0 0 auto;width:5px;height:22px;border-radius:999px;background:linear-gradient(180deg,var(--orange),#ffab7d)}

.faq-list{display:grid;gap:8px}
.faq-item{border:1px solid rgba(29,29,31,.07);border-radius:14px;background:#fff;box-shadow:0 6px 18px rgba(30,35,48,.04);overflow:hidden;transition:border-color .22s ease}
.faq-item[open]{border-color:rgba(255,107,61,.4)}
.faq-item summary{display:flex;align-items:center;gap:12px;padding:14px 16px;cursor:pointer;list-style:none;color:#1d1d1f;font-size:14.5px;font-weight:680;letter-spacing:-.01em;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"＋";flex:0 0 auto;margin-left:auto;color:var(--orange);font-size:19px;font-weight:400;transition:transform .25s var(--ease-out)}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{margin:0;padding:0 16px 16px;color:#5c5c62;font-size:13.5px;line-height:1.9}

/* 说明书入口（复用 .faq-item 外观） */
.faq-link{display:flex;align-items:center;gap:12px;padding:12px 15px;color:#1d1d1f;font-size:14px;font-weight:650;letter-spacing:-.01em;text-decoration:none}
.faq-link i{margin-left:auto;color:var(--orange);font-style:normal}
.faq-link:hover{border-color:rgba(255,107,61,.4)}
.faq-manual{margin:18px auto 0;width:min(100%,560px);justify-content:center;border:1px solid rgba(29,29,31,.07);border-radius:14px;background:#fff;box-shadow:0 6px 18px rgba(30,35,48,.04)}
.faq-manual:hover{border-color:rgba(255,107,61,.4)}

/* ---- 响应式 ---- */
@media(max-width:899px){
  .support-more{padding-top:96px;padding-bottom:8px}
  .support-faq{padding-top:56px;padding-bottom:72px}
  .support-more-grid{grid-template-columns:1fr}
  .support-more-copy{min-height:210px}
  .support-section-head{text-align:center;padding:0}
  .faq-group-title{font-size:18px}
  .faq-item summary{font-size:14px;padding:13px 14px}
}