* { margin:0; padding:0; box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
html, body { height:100%; }
body { font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",sans-serif; background:#F3F7F9; color:#0F172A; }
a { text-decoration:none; color:inherit; }
img { display:block; max-width:100%; }
#page, #header { display:none; }
.screen { width:100%; max-width:540px; min-height:100vh; min-height:100dvh; margin:0 auto; background:#F3F7F9; overflow-x:hidden; padding-bottom:72px; }

/* ===== 顶部 ===== */
.top { background:linear-gradient(135deg,#0EA5A4 0%,#1D7FD6 55%,#2563EB 100%); color:#fff; padding:0 0 14px; position:relative; }
.top::after { content:""; position:absolute; inset:0; background:radial-gradient(420px 160px at 88% -18%, rgba(255,255,255,.26), transparent); pointer-events:none; }
.bar { display:flex; align-items:center; height:52px; padding:0 12px; position:relative; z-index:2; }
.bar .ico { width:34px; height:34px; border-radius:50%; background:rgba(255,255,255,.16); display:flex; align-items:center; justify-content:center; cursor:pointer; color:#fff; }
.bar .nm { position:absolute; left:50%; transform:translateX(-50%); font-size:17px; font-weight:700; letter-spacing:.5px; }
.bar .cart { position:relative; margin-left:auto; }
.bar .cart .bd { position:absolute; top:-3px; right:-4px; min-width:16px; height:16px; border-radius:999px; background:#FF4757; color:#fff; font-size:9.5px; font-weight:800; display:flex; align-items:center; justify-content:center; padding:0 4px; box-sizing:border-box; }
.bar .cart .bd.hide, .nav .n .bd.hide { display:none; }

/* 轮播 */
.focus { position:relative; width:calc(100% - 24px); margin:2px auto 0; height:140px; border-radius:16px; overflow:hidden; box-shadow:0 8px 22px rgba(15,60,110,.18); z-index:2; background:#0E9C9B; }
.focus .bd { height:100%; border-radius:16px; overflow:hidden; }
.focus .bd ul { height:100%; display:flex; flex-wrap:nowrap; overflow-x:auto; scrollbar-width:none; -ms-overflow-style:none; scroll-snap-type:x mandatory; scroll-behavior:smooth; }
.focus .bd ul::-webkit-scrollbar { display:none; }
.focus .bd li { flex:0 0 100%; width:100%; height:100%; list-style:none; scroll-snap-align:start; scroll-snap-stop:always; }
.focus .bd li a { display:block; width:100%; height:100%; -webkit-tap-highlight-color:transparent; }
.focus .bd li img { display:block; width:100%; height:100%; object-fit:cover; border-radius:16px; }
.focus .hd { position:absolute; left:0; right:0; bottom:9px; z-index:3; text-align:center; pointer-events:none; }
.focus .hd ul { display:inline-flex; gap:6px; padding:0; margin:0; pointer-events:auto; }
.focus .hd ul li { width:6px; height:6px; border-radius:99px; background:rgba(255,255,255,.5); display:inline-block; list-style:none; transition:all .3s; cursor:pointer; }
.focus .hd ul li.on { width:18px; background:#fff; }

/* 搜索 */
.search { display:flex; align-items:center; gap:8px; background:#fff; border-radius:999px; padding:10px 14px; width:calc(100% - 24px); margin:10px auto 0; position:relative; z-index:2; box-shadow:0 4px 14px rgba(15,60,110,.12); }
.search svg { color:#9AAABD; flex:none; }
.search .keyword { flex:1; border:none; background:transparent; outline:none; font-size:13px; color:#0F172A; line-height:1.4; }
.search .keyword::-webkit-input-placeholder { color:#A6B0BF; }
.search .go { font-size:12px; font-weight:700; color:#fff; background:linear-gradient(135deg,#0EA5A4,#2563EB); border:none; border-radius:999px; padding:5px 13px; cursor:pointer; }
.search .go:active { opacity:.85; }

/* 页内搜索结果 */
.inline-results { display:none; }
.inline-results.show { display:block; }
.inline-results .results-head { display:flex; align-items:center; gap:10px; background:#fff; padding:14px 12px 12px; }
.inline-results .results-head .back { font-size:13px; color:#0B7285; background:#E6FAF8; border:1px solid #C9EFE7; border-radius:999px; padding:6px 14px; cursor:pointer; }
.inline-results .results-head .back:active { background:#D1F5F2; }
.inline-results .results-head .title { font-size:16px; font-weight:800; color:#0F172A; }
.inline-results .results-head .count { margin-left:auto; font-size:12px; color:#64748B; }
.inline-results-body { display:none; background:#F3F7F9; padding:8px 12px 0; }
body:has(.inline-results.show) .inline-results-body { display:block; }
.inline-results-body .keyword-tip { font-size:12px; color:#7C8BA1; margin-bottom:10px; padding-left:2px; }
.inline-results-body .keyword-tip b { color:#0E9C9B; font-weight:700; }
.inline-results-body .is-footer { padding:16px 0 30px; text-align:center; min-height:20px; }
.inline-results-body .is-footer > div { display:none; }
.inline-results-body .is-loading { display:flex; align-items:center; justify-content:center; gap:8px; color:#7C8BA1; font-size:13px; }
.inline-results-body .is-loading .spinner { width:18px; height:18px; border:2px solid #E6FAF8; border-top-color:#0EA5A4; border-radius:50%; animation:spinner .8s linear infinite; }
.inline-results-body .is-nomore { color:#A6B0BF; font-size:12px; letter-spacing:1px; }
.inline-results-body .is-error { color:#C0392B; font-size:13px; display:flex; align-items:center; justify-content:center; gap:10px; }
.inline-results-body .is-retry { font-size:13px; color:#fff; background:linear-gradient(135deg,#0EA5A4,#2563EB); border:none; border-radius:999px; padding:6px 16px; cursor:pointer; }
@keyframes spinner { to { transform:rotate(360deg); } }
.home-content { display:flex; flex-direction:column; gap:14px; }
.home-content.hidden { display:none; }

/* 主体 */
.main { padding:0 12px 84px; display:flex; flex-direction:column; gap:12px; margin-top:12px; }
/* 搜索结果展示中：把 .main 的顶部留白去掉，让灰底结果体紧贴蓝色头部 */
body:has(.inline-results.show) .main { margin-top: 0; gap: 0; }
body:has(.inline-results.show) .top { padding-bottom: 6px; }

/* 四个入口 */
.quick { display:flex; background:#fff; border-radius:16px; padding:14px 6px 12px; box-shadow:0 6px 22px rgba(23,80,140,.08); }
.quick .q { flex:1; display:flex; flex-direction:column; align-items:center; gap:7px; }
.quick .q .ic { width:42px; height:42px; border-radius:50%; display:flex; align-items:center; justify-content:center; color:#fff; }
.quick .q span { font-size:11.5px; color:#51606F; font-weight:600; }
.q1 { background:linear-gradient(135deg,#4A90E2,#2F5AA8); }
.q2 { background:linear-gradient(135deg,#5CBF2F,#0E9C9B); }
.q3 { background:linear-gradient(135deg,#E84393,#7C5CBF); }
.q4 { background:linear-gradient(135deg,#2F80ED,#0EA5A4); }

/* 视频卡 */
.vid-wrap { width:100%; background:linear-gradient(150deg,#123047,#0B4B63); position:relative; padding-bottom:56.25%; height:0; border-radius:16px; overflow:hidden; box-shadow:0 6px 22px rgba(23,80,140,.1); cursor:pointer; }
.vid-wrap video { position:absolute; top:0; left:0; width:100%; height:100%; display:none; object-fit:cover; }
.vid-wrap.playing video { display:block; }
.voverlay { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; background:url(https://cdn.cn.diancou.com/img.png) center/cover no-repeat; background-color:#0B4B63; }
.voverlay::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg,rgba(0,0,0,.05) 60%,rgba(0,0,0,.45) 100%); pointer-events:none; }
.vid-wrap.playing .voverlay { display:none; }
.voverlay .play { width:56px; height:56px; border-radius:50%; background:rgba(255,255,255,.94); color:#0E9C9B; display:flex; align-items:center; justify-content:center; }
.voverlay .vt { position:absolute; left:14px; bottom:12px; color:#fff; font-size:12.5px; font-weight:600; letter-spacing:.5px; opacity:.9; }
.voverlay .vd { position:absolute; right:14px; bottom:12px; color:rgba(255,255,255,.7); font-size:11px; }

/* 视频右上角关闭按钮：44×44px 热区，X 图标，不遮挡视频原生控件 */
.vid-close {
  position:absolute; top:0; right:0;
  width:44px; height:44px;
  display:flex; align-items:center; justify-content:center;
  background:transparent; border:0; padding:0; margin:0;
  cursor:pointer; z-index:5;
  -webkit-tap-highlight-color:transparent;
  opacity:0; transition:opacity .2s;
}
.vid-wrap:hover .vid-close,
.vid-wrap.playing .vid-close,
.vid-close:focus { opacity:1; }
/* 当 hover 不被支持时（部分移动端），常驻显示以保证可点 */
@media (hover: none) { .vid-close { opacity:.85; } }
.vid-close::before {
  content:""; position:absolute; top:50%; left:50%;
  transform:translate(-50%,-50%);
  width:30px; height:30px; border-radius:50%;
  background:rgba(0,0,0,.42);
  backdrop-filter:blur(4px);
  -webkit-backdrop-filter:blur(4px);
  transition:background .2s, transform .15s;
}
.vid-close::after {
  content:""; position:absolute; top:50%; left:50%;
  transform:translate(-50%,-50%) rotate(45deg);
  width:14px; height:14px;
  background:
    linear-gradient(currentColor,currentColor) center/100% 1.6px no-repeat,
    linear-gradient(currentColor,currentColor) center/1.6px 100% no-repeat;
  color:#fff;
}
.vid-close:active::before { background:rgba(0,0,0,.62); transform:translate(-50%,-50%) scale(.92); }

/* 关闭动画：渐隐 350ms 后彻底不占位 */
.vid-wrap.fading { transition:opacity .35s ease, transform .35s ease; opacity:0; transform:scale(.98); pointer-events:none; }
.vid-wrap.hidden { display:none !important; }

/* 通知与公告 */
.notice { background:#fff; border-radius:16px; padding:14px 12px; box-shadow:0 6px 22px rgba(23,80,140,.08); }
.notice ul.article-list { list-style:none; }
.notice ul.article-list li { display:flex; align-items:center; gap:9px; padding:10px 2px; border-bottom:1px dashed #F0F4F7; font-size:13px; color:#334155; cursor:pointer; }
.notice ul.article-list li:last-child { border-bottom:none; }
.notice ul.article-list li i { width:5px; height:5px; border-radius:50%; background:#0E9C9B; flex:none; }
.notice ul.article-list li a { flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; color:#334155; }
.notice ul.article-list li em { color:#C6D2DE; flex:none; font-style:normal; display:flex; }

/* ===== 分区 ===== */
.sec { background:#fff; border-radius:16px; padding:14px 12px; box-shadow:0 6px 22px rgba(23,80,140,.08); }
.sec-head { display:flex; align-items:center; gap:8px; margin-bottom:12px; }
.sec-head .ttl { font-size:16px; font-weight:800; color:#12324B; display:flex; align-items:center; gap:8px; }
.sec-head .ttl::before { content:""; width:4px; height:16px; border-radius:2px; background:linear-gradient(#0EA5A4,#2563EB); }
.more { margin-left:auto; display:inline-flex; align-items:center; gap:5px; font-size:11.5px; font-weight:700;
  color:#0B7285; background:linear-gradient(135deg,#E6FAF8,#EAF2FE); border:1px solid #C9EFE7;
  border-radius:999px; padding:5px 11px; position:relative; overflow:hidden; flex:none; }
.more b, .more svg { position:relative; z-index:2; }

/* 商品网格 */
.goods { display:grid; grid-template-columns:1fr 1fr; gap:10px; }
.g { position:relative; background:#fff; border:1px solid #EEF2F6; border-radius:14px; overflow:hidden; cursor:pointer; transition:box-shadow .2s, transform .2s; }
.g:hover { box-shadow:0 10px 24px rgba(23,80,140,.14); transform:translateY(-2px); }
.g .pic { position:relative; width:100%; aspect-ratio:1/1; display:flex; align-items:center; justify-content:center; background:#F6F8FA; }
.g .pic .gimg { width:100%; height:100%; object-fit:contain; }
.g .dt { position:absolute; right:6px; top:6px; display:inline-flex; align-items:center; gap:3px; font-size:9.5px; font-weight:700; color:#fff; border-radius:999px; padding:3px 8px; box-shadow:0 3px 8px rgba(15,23,42,.16); z-index:3; }
.g .dt.fast { background:linear-gradient(135deg,#4CAF7A,#2E9E68); }
.g .dt.slow { background:linear-gradient(135deg,#D9534F,#B93A36); }
.g .dt .ydzy-icon { display:none; }
.g .fab { position:absolute; right:8px; bottom:8px; width:30px; height:30px; border:none; cursor:pointer;
  background:linear-gradient(135deg,#FFC46B,#F5A03C); color:#fff; border-radius:50%; display:flex; align-items:center; justify-content:center; box-shadow:0 4px 10px rgba(245,160,60,.4); transition:transform .15s; z-index:3; }
.g .fab:active { transform:scale(.88); }
.g .b { padding:9px 10px 11px; }
.g .pr { font-size:17px; font-weight:800; color:#D9001B; line-height:1; font-variant-numeric:tabular-nums; }
.g .n { font-size:12px; color:#334155; margin-top:6px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }

/* 标签云 / 分类标签 */
.cloud, .item_tags { display:flex; flex-wrap:wrap; gap:7px; margin-top:12px; padding-top:12px; border-top:1px dashed #EDF2F6; }
.cloud A, .item_tags A, .cloud span, .item_tags span { font-size:11.5px; color:#51606F; background:#F7FAFC; border:1px solid #EDF2F6; border-radius:8px; padding:5px 11px; }
.cloud A:hover, .item_tags A:hover { background:#E6FAF8; border-color:#BFE9E5; color:#0B7285; }

/* 分类广告 */
.cat_ad { margin-bottom:10px; border-radius:10px; overflow:hidden; }
.cat_ad img { width:100%; display:block; }

/* 快报 */
.flash { display:flex; align-items:center; gap:10px; background:#fff; border-radius:14px; padding:12px 14px; box-shadow:0 6px 22px rgba(23,80,140,.08); }
.flash .lb { font-size:13px; font-weight:800; color:#2E9E68; background:#E9F7EF; border-radius:8px; padding:5px 10px; flex:none; }
.flash .tx { font-size:13px; color:#334155; flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.flash em { color:#C6D2DE; font-style:normal; display:flex; }

/* 页脚 */
.foot { text-align:center; display:flex; flex-direction:column; align-items:center; gap:9px; }
.foot .badges { display:flex; gap:6px; flex-wrap:wrap; justify-content:center; }
.foot .badges span { font-size:10px; color:#51707E; background:#fff; border-radius:999px; padding:4px 11px; box-shadow:0 3px 10px rgba(23,80,140,.06); }
.foot .cp { font-size:10.5px; color:#9AAABD; line-height:1.75; }

/* 底部导航（图标在上、文字在下，垂直排列） */
.nav { position:fixed; left:50%; transform:translateX(-50%); top:auto; bottom:0; width:100%; max-width:540px; height:auto; z-index:30; background:rgba(255,255,255,.97); backdrop-filter:blur(10px); border-top:1px solid #EEF2F5;
  display:flex; align-items:stretch; padding:7px 6px calc(9px + env(safe-area-inset-bottom)); box-sizing:border-box; }
.nav .n { flex:1 1 0; min-width:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:3px; color:#8A94A1; cursor:pointer; position:relative; text-decoration:none; }
.nav .n.on { color:#0E9C9B; }
/* 所有图标统一尺寸（基准 = 首页项，display:block 防止基线偏移） */
.nav .n svg { width:22px; height:22px; display:block; flex:none; color:#A6B0BF; }
.nav .n.on svg { color:#0E9C9B; }
/* 文字标签统一（图标下方） */
.nav .n .lbl { font-size:10.5px; line-height:1; white-space:nowrap; }
.nav .n.on .lbl { color:#0E9C9B; font-weight:700; }
/* 购物车角标：图标右上角红色圆点，显示加入购物车商品数量 */
.nav .n .bd { position:absolute; top:1px; left:50%; margin-left:7px; min-width:16px; height:16px; padding:0 4px; border-radius:8px; background:#FF4757; color:#fff; font-size:10px; font-weight:700; line-height:16px; text-align:center; box-sizing:border-box; }

.toast { position:fixed; left:50%; top:90px; transform:translate(-50%,-16px); background:rgba(15,23,42,.92); color:#fff;
  font-size:13px; padding:10px 16px; border-radius:999px; display:flex; align-items:center; gap:8px; opacity:0; pointer-events:none;
  transition:opacity .3s, transform .3s; z-index:50; max-width:88%; }
.toast.show { opacity:1; transform:translate(-50%,0); }

/* 安全弹窗（保留原逻辑与样式） */
#safety-popup { position:fixed; inset:0; background:rgba(0,0,0,.55); z-index:4000; display:none; align-items:center; justify-content:center; }
#safety-popup .popup-content { background:#fff; border-radius:14px; max-width:88%; width:340px; padding:20px 18px; font-size:13px; line-height:1.7; color:#334155; }
#safety-popup .popup-confirm-btn { display:block; width:100%; margin-top:14px; padding:11px; border:none; border-radius:999px; background:linear-gradient(135deg,#0EA5A4,#2563EB); color:#fff; font-size:14px; font-weight:700; }

/* 搜索弹出框（保留原表单/校验逻辑） */
#main-search { display:none; }
.search_box { position:relative; }
.suggestions { position:absolute; bottom:-25px; left:0; width:100%; display:flex; flex-wrap:wrap; gap:10px; background-color:#fff; z-index:1; }
.suggestion { cursor:pointer; color:#2F80ED; text-decoration:underline; }