html{font-size:62.5%}
body[data-page-theme="ai"]{--m:var(--crimson);color-scheme:dark;
  --ai-page-glass:transparent;
  --ai-control-bg:var(--surface);--ai-control-bg-hover:var(--surface-2);--ai-control-border:var(--line-2);
  --ai-popover-bg:var(--surface);--ai-popover-border:var(--line-2);--ai-popover-shadow:var(--shadow-m);
  --ai-soft-red:color-mix(in srgb,var(--crimson) 12%,var(--surface));--ai-menu-hover:var(--fill-hover)}
:root[data-theme="light"] body[data-page-theme="ai"]{color-scheme:light;
  --ai-page-glass:linear-gradient(180deg,rgba(246,242,236,.94),rgba(246,242,236,.78));
  --ai-control-bg:var(--surface);--ai-control-bg-hover:#F8F3EA;--ai-control-border:rgba(28,24,18,.18);
  --ai-popover-bg:#FFFDF9;--ai-popover-border:rgba(28,24,18,.14);--ai-popover-shadow:0 24px 54px -30px rgba(40,30,24,.42);
  --ai-soft-red:color-mix(in srgb,var(--crimson) 9%,#FFFDF9);--ai-menu-hover:rgba(28,24,18,.055)}

.ai-home{width:min(var(--uaa-wide-shell-max,1440px),100%);margin:0 auto;padding:74px clamp(12px,4vw,48px) 30px}
.ai-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}

.ai-browse__head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:0 0 14px}
.ai-browse__head h2{margin:0;font-family:var(--font-serif);font-size:clamp(22px,2.4vw,30px);font-weight:900;line-height:1.05;color:var(--title);letter-spacing:0}
.ai-browse__head p{margin:6px 0 0;color:var(--ink-3);font-size:13px;line-height:1.55}

.ai-browse{padding:0}
.ai-browse__head{margin-top:2px}
.ai-toolbar{position:relative;z-index:70;display:grid;grid-template-columns:minmax(230px,1fr) auto auto;gap:10px;align-items:center;
  margin:0 -1px 12px;padding:10px 0;background:var(--ai-page-glass);backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px)}
.ai-search{position:relative;display:flex;align-items:center;gap:9px;min-width:0;height:40px;padding:0 16px;border:1px solid var(--ai-control-border);
  border-radius:var(--r-pill);background:var(--ai-control-bg);color:var(--ink-3);box-shadow:var(--shadow-s);transition:border-color .18s,background .18s,box-shadow .18s}
.ai-search:focus-within{border-color:var(--crimson);background:var(--ai-control-bg-hover);box-shadow:0 0 0 3px color-mix(in srgb,var(--crimson) 14%,transparent)}
.ai-search svg{width:18px;height:18px;flex:0 0 auto;color:var(--ink-3);fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round}
.ai-search input{flex:1;min-width:0;height:100%;border:0;outline:0;background:none;color:var(--ink);font-size:13.5px}
.ai-search input::placeholder{color:var(--ink-3)}
.ai-search input::-webkit-search-cancel-button{-webkit-appearance:none;appearance:none}
.ai-history-link{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:40px;padding:0 14px;border:1px solid var(--ai-control-border);
  border-radius:var(--r-pill);background:var(--ai-control-bg);color:var(--ink);font-size:14px;font-weight:800;white-space:nowrap;cursor:pointer;box-shadow:var(--shadow-s);transition:.18s}
.ai-history-link:hover{border-color:var(--crimson);color:var(--crimson);background:var(--ai-soft-red)}
.ai-history-link svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.ai-sort{position:relative;z-index:30}
.ai-sort__button{display:inline-flex;align-items:center;gap:9px;height:40px;min-width:106px;padding:0 15px;border:1px solid var(--ai-control-border);
  border-radius:var(--r-pill);background:var(--ai-control-bg);color:var(--ink);font-size:14px;font-weight:800;cursor:pointer;box-shadow:var(--shadow-s);transition:.18s}
.ai-sort__button:hover,.ai-sort.is-open .ai-sort__button{border-color:var(--crimson);background:var(--ai-control-bg-hover)}
.ai-sort__button svg{width:19px;height:19px;flex:0 0 auto;color:var(--ink-3);fill:none;stroke:currentColor;stroke-width:2.3;stroke-linecap:round;stroke-linejoin:round}
.ai-sort__menu{position:absolute;right:0;top:calc(100% + 8px);display:none;width:min(170px,calc(100vw - 24px));overflow:hidden;border:1px solid var(--ai-popover-border);
  border-radius:8px;background:var(--ai-popover-bg);box-shadow:var(--ai-popover-shadow);padding:8px 0}
.ai-sort.is-open .ai-sort__menu{display:block}
.ai-sort__menu button{display:block;width:100%;min-height:42px;padding:0 16px;border:0;background:transparent;color:var(--ink);text-align:left;
  font-size:14px;font-weight:800;line-height:1.2;cursor:pointer;transition:background .16s,color .16s}
.ai-sort__menu button:hover,.ai-sort__menu button[aria-selected="true"]{background:var(--ai-menu-hover);color:var(--title)}

.ai-tabs{display:flex;gap:8px;padding:0 0 14px;margin:0;overflow-x:auto;scrollbar-width:none}
.ai-tabs::-webkit-scrollbar{display:none}
.ai-tabs [data-filter]{display:inline-flex;align-items:center;gap:7px;min-height:38px;flex:0 0 auto;padding:0 13px;border:1px solid var(--ai-control-border);
  border-radius:999px;background:var(--ai-control-bg);color:var(--ink-2);font-size:13px;font-weight:800;text-decoration:none;cursor:pointer;transition:.18s}
.ai-tabs [data-filter]:hover{border-color:var(--crimson);color:var(--crimson);background:var(--ai-soft-red)}
.ai-tabs [data-filter][aria-current="page"]{border-color:transparent;background:linear-gradient(135deg,#FF3B5C,#FF6177);color:#fff;box-shadow:var(--shadow-primary)}
.ai-tabs [data-filter] span{font-family:var(--font-latin);font-size:11px;color:currentColor;opacity:.75}
.ai-media-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
@media(min-width:720px){.ai-media-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}}
@media(min-width:1040px){.ai-media-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:15px}}
@media(min-width:1280px){.ai-media-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}}

.ai-media-card{min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:var(--surface);
  box-shadow:var(--shadow-s);transition:transform .24s cubic-bezier(.2,.7,.2,1),box-shadow .24s,border-color .24s}
.ai-media-card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--crimson) 48%,var(--line));box-shadow:var(--shadow-cover)}
.ai-card-link{display:block;color:inherit;text-decoration:none}
.ai-card-link:hover{color:inherit}
.ai-card-link:focus-visible{outline:3px solid var(--crimson);outline-offset:2px}
.ai-preview{position:relative;display:block;width:100%;aspect-ratio:2/3;overflow:hidden;padding:0;border:0;background:#050507;color:inherit;
  font:inherit;text-decoration:none;cursor:pointer;-webkit-appearance:none;appearance:none}
.ai-tabs [data-filter]:focus-visible,.ai-sort__button:focus-visible,.ai-history-link:focus-visible{
  outline:2px solid var(--crimson);outline-offset:2px}
.ai-preview img,.ai-preview video{display:block;width:100%;height:100%;object-fit:cover;background:#050507}
.ai-preview::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(0,0,0,.30),transparent 30%,transparent 58%,rgba(0,0,0,.72))}
.ai-source-thumb{position:absolute;z-index:2;top:8px;left:8px;width:46px;height:60px;overflow:hidden;border:2px solid rgba(255,255,255,.86);
  border-radius:6px;background:rgba(0,0,0,.6);box-shadow:0 10px 24px rgba(0,0,0,.35);pointer-events:none}
.ai-source-thumb img{display:block;width:100%;height:100%;object-fit:cover}
.ai-like-badge{position:absolute;z-index:2;display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.22);
  border-radius:999px;background:rgba(8,8,12,.58);color:#fff;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  pointer-events:none}
.ai-like-badge{top:8px;right:8px;gap:5px;min-height:28px;padding:0 9px;font-family:var(--font-latin);font-size:12px;font-weight:900}
.ai-like-badge svg{width:13px;height:13px;color:#FF4F73;fill:currentColor;stroke:currentColor}
.ai-card-body{display:block;padding:10px 10px 12px;min-height:78px}
/* 产品名统一走标题色（暗色主题即纯白 #FFFFFF）。原先是 --crimson，全站只有这一处产品标题是红的，
   与生成记录卡的 .ai-hist-card__tool、详情页标题都不一致。
   不写死 #fff：AI 页有亮色主题，写死会在白底上看不见；--title 由 noir.css 按主题给值。 */
.ai-scene-type{font-size:14px;font-weight:900;color:var(--title);line-height:1.2;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:anywhere}
.ai-scene-title{margin:5px 0 0;color:var(--ink);font-family:var(--font-serif);font-size:12px;font-weight:800;line-height:1.35;overflow-wrap:anywhere}
/* .ai-empty 已挪到 cine.css：AI 首页(本文件)与生成记录页(ai-product.css)共用同一套空态版式，
   两边互不加载对方，但都加载 cine.css，放那里才有唯一真源。 */
.ai-missing{display:grid;width:100%;height:100%;place-items:center;color:var(--ink-3);font-size:13px;background:var(--surface-2)}

@media(max-width:860px){
  .ai-home{padding:70px 12px 22px}
  .ai-browse__head p{display:none}
  .ai-browse__head{align-items:flex-start;margin-bottom:12px}
  .ai-toolbar{grid-template-columns:minmax(0,1fr) auto auto;gap:8px;padding:8px 0}
  .ai-search{height:40px;padding:0 13px}
  .ai-history-link{width:40px;padding:0}
  .ai-history-link span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
  .ai-sort__button{min-width:0;padding:0 13px;font-size:13px}
  .ai-sort__button svg{width:18px;height:18px}
  .ai-tabs{margin-left:-12px;margin-right:-12px;padding-left:12px;padding-right:12px}
  .ai-card-body{padding:9px 9px 11px;min-height:72px}
  .ai-scene-type{font-size:13px}
}

/* iOS：<16px 输入框聚焦会放大页面——触屏设备下把 AI 搜索框提到16px(桌面端仍13.5px)。见 ds/components.css 同类修复。 */
@media (hover:none) and (pointer:coarse){.ai-search input{font-size:16px!important}}