:root { --bg:#0d0f17; --card:#161a26; --line:#262c3d; --fg:#eef0f6; --mut:#8a90a6; --acc:#6c8cff; }
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--fg); font-family:system-ui,"PingFang SC","Microsoft YaHei",sans-serif; }
a { color:var(--acc); }
.hidden { display:none !important; }

.nav { display:flex; justify-content:space-between; align-items:center; padding:18px 28px; border-bottom:1px solid var(--line); }
.brand { font-size:20px; font-weight:700; letter-spacing:1px; }
.account { display:flex; align-items:center; gap:12px; }
#userEmail { color:var(--mut); font-size:14px; }
button { cursor:pointer; font:inherit; }
.ghost { background:transparent; border:1px solid var(--line); color:var(--fg); padding:8px 14px; border-radius:8px; }
.ghost:hover { border-color:var(--acc); }

main { max-width:880px; margin:0 auto; padding:48px 24px 80px; }
.hero { text-align:center; margin-bottom:36px; }
.hero h1 { font-size:40px; margin:0 0 10px; }
.hero p { color:var(--mut); margin:0; }

.video-wrap { position:relative; }
.video { width:100%; aspect-ratio:16/9; border-radius:16px; background:#000; display:block; }
.locked { display:flex; align-items:center; justify-content:center; border:1px solid var(--line);
  background:radial-gradient(120% 120% at 50% 0%, #1b2030 0%, #0d0f17 70%); }
.lock-overlay { text-align:center; padding:28px; width:100%; }
.lock-icon { font-size:44px; }
#lockText { color:var(--mut); margin:8px 0 18px; }

.pay-title { font-weight:600; margin:8px 0 14px; }
.qr-row { display:flex; gap:24px; justify-content:center; flex-wrap:wrap; }
.qr-card { background:var(--card); border:1px solid var(--line); border-radius:12px; padding:16px; }
.qr-box { width:180px; height:180px; box-sizing:content-box; padding:12px; background:#fff; border-radius:8px; display:flex; align-items:center; justify-content:center; }
.qr-box img, .qr-box canvas { display:block; }
.qr-err { color:#ff7a7a; font-size:12px; padding:8px; }
.qr-label { margin-top:10px; font-size:13px; color:var(--mut); display:flex; justify-content:space-between; align-items:center; }
.qr-label b { color:var(--fg); }
.qr-open { display:block; margin-top:10px; text-align:center; font-size:13px; color:var(--acc); text-decoration:none; padding:7px; border:1px solid var(--line); border-radius:8px; }
.qr-open:hover { border-color:var(--acc); }
.hint { color:var(--mut); font-size:13px; margin-top:14px; }

#authForm { display:flex; gap:10px; justify-content:center; flex-wrap:wrap; }
input { background:#0f121b; border:1px solid var(--line); color:var(--fg); padding:10px 14px; border-radius:8px; min-width:240px; }
input:focus { outline:none; border-color:var(--acc); }
#authForm button { background:var(--acc); border:none; color:#fff; padding:10px 22px; border-radius:8px; }
.msg { color:var(--mut); font-size:13px; margin-top:12px; min-height:18px; }

.modal { position:fixed; inset:0; background:rgba(0,0,0,.6); display:flex; align-items:center; justify-content:center; z-index:50; }
.modal-box { position:relative; background:var(--card); border:1px solid var(--line); border-radius:16px; padding:28px; width:340px; }
.close { position:absolute; top:10px; right:14px; background:none; border:none; color:var(--mut); font-size:22px; }
.tabs { display:flex; gap:8px; margin-bottom:18px; }
.tab { flex:1; background:#0f121b; border:1px solid var(--line); color:var(--mut); padding:8px; border-radius:8px; }
.tab.active { color:var(--fg); border-color:var(--acc); }
.modal-box form { flex-direction:column; }
.modal-box input { min-width:0; width:100%; }
.modal-box button[type=submit] { width:100%; }

/* ---- 导航链接 ---- */
.nav-links { display:flex; gap:22px; align-items:center; }
.nav-links a { color:var(--mut); text-decoration:none; font-size:14px; }
.nav-links a:hover, .nav-links a.active { color:var(--fg); }
.nav-wrap { display:flex; align-items:center; gap:32px; }
.btn { background:var(--acc); border:none; color:#fff; padding:10px 20px; border-radius:8px; font:inherit; cursor:pointer; text-decoration:none; display:inline-block; }
.btn:hover { filter:brightness(1.08); }
.btn.lg { padding:13px 30px; font-size:15px; }

/* ---- 通用页容器 ---- */
.page { max-width:880px; margin:0 auto; padding:48px 24px 80px; }
.page h1 { font-size:32px; margin:0 0 8px; }
.page h2 { font-size:20px; margin:32px 0 10px; }
.page p, .page li { color:var(--mut); line-height:1.85; }
.page .lead { font-size:16px; color:var(--fg); opacity:.9; }
.crumb { color:var(--mut); font-size:13px; margin-bottom:18px; }
.crumb a { color:var(--mut); }

/* ---- 作品网格 ---- */
.section-title { display:flex; justify-content:space-between; align-items:baseline; margin:0 0 18px; }
.section-title h2 { font-size:22px; margin:0; }
.section-title a { font-size:13px; color:var(--acc); text-decoration:none; }
.grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:20px; }
.card { background:var(--card); border:1px solid var(--line); border-radius:14px; overflow:hidden; text-decoration:none; color:inherit; display:flex; flex-direction:column; transition:border-color .15s, transform .15s; }
.card:hover { border-color:var(--acc); transform:translateY(-2px); }
.card .thumb { aspect-ratio:16/9; background:linear-gradient(135deg,#1b2030,#0d0f17); position:relative; display:flex; align-items:center; justify-content:center; color:var(--mut); font-size:40px; }
.card .thumb img { width:100%; height:100%; object-fit:cover; }
.card .badge { position:absolute; top:10px; left:10px; font-size:11px; padding:3px 9px; border-radius:20px; background:rgba(0,0,0,.55); color:#fff; backdrop-filter:blur(4px); }
.badge.free { background:#2e7d52; } .badge.pass { background:#3a52b5; } .badge.standalone { background:#8a5a2e; }
.card .lockflag { position:absolute; top:10px; right:10px; font-size:14px; }
.card .body { padding:14px 16px 18px; display:flex; flex-direction:column; gap:6px; flex:1; }
.card .body h3 { margin:0; font-size:15px; line-height:1.4; }
.card .body .desc { color:var(--mut); font-size:13px; flex:1; }
.card .body .meta { display:flex; justify-content:space-between; align-items:center; margin-top:6px; }
.card .price { color:var(--fg); font-weight:600; font-size:14px; }
.card .tag { color:var(--mut); font-size:12px; }

/* ---- 价格页 ---- */
.plans { display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:20px; margin-top:24px; }
.plan { background:var(--card); border:1px solid var(--line); border-radius:14px; padding:26px; }
.plan.feat { border-color:var(--acc); }
.plan h3 { margin:0 0 6px; font-size:18px; }
.plan .amt { font-size:30px; font-weight:700; margin:10px 0; }
.plan ul { padding-left:18px; margin:14px 0 0; }

/* ---- 信息卡（关于/联系）---- */
.info { background:var(--card); border:1px solid var(--line); border-radius:14px; padding:20px 24px; margin-top:16px; }
.info dt { color:var(--mut); font-size:13px; margin-top:12px; }
.info dt:first-child { margin-top:0; }
.info dd { margin:2px 0 0; font-size:15px; }

/* ---- 后台 ---- */
.admin-tabs { display:flex; gap:8px; margin:0 0 22px; flex-wrap:wrap; }
.admin-tabs button { background:#0f121b; border:1px solid var(--line); color:var(--mut); padding:9px 18px; border-radius:8px; }
.admin-tabs button.active { color:var(--fg); border-color:var(--acc); }
table.tbl { width:100%; border-collapse:collapse; font-size:13px; }
table.tbl th, table.tbl td { text-align:left; padding:9px 10px; border-bottom:1px solid var(--line); vertical-align:middle; }
table.tbl th { color:var(--mut); font-weight:600; }
table.tbl input, table.tbl select { min-width:0; width:100%; padding:6px 8px; font-size:13px; }
.row-actions { display:flex; gap:6px; }
.mini { padding:6px 12px; font-size:12px; border-radius:7px; }
.danger { background:#7a2e2e; }
.pill { font-size:11px; padding:2px 8px; border-radius:20px; background:#0f121b; border:1px solid var(--line); }

footer.site { color:var(--mut); font-size:13px; padding:36px 28px; border-top:1px solid var(--line); margin-top:40px; }
footer.site .cols { max-width:880px; margin:0 auto; display:flex; justify-content:space-between; gap:24px; flex-wrap:wrap; }
footer.site a { color:var(--mut); text-decoration:none; }
footer.site a:hover { color:var(--fg); }
footer.site .legal { display:flex; flex-direction:column; gap:6px; }
footer.site .copy { max-width:880px; margin:20px auto 0; padding-top:18px; border-top:1px solid var(--line); display:flex; gap:14px; flex-wrap:wrap; color:#6b7080; font-size:12px; }
footer { text-align:center; color:var(--mut); font-size:12px; padding:28px; border-top:1px solid var(--line); }

/* ---- 后台：视频详情行 + 新增区 ---- */
.detail-row td { padding-top:0; border-bottom:1px solid var(--line); }
.vfields { display:flex; flex-wrap:wrap; gap:10px 16px; padding:4px 0 10px; }
.vfields label { display:flex; flex-direction:column; gap:4px; font-size:12px; color:var(--mut); flex:1 1 200px; }
.vfields label.wide { flex:1 1 100%; }
.vfields.newvideo { background:#0f121b; border:1px solid var(--line); border-radius:12px; padding:16px; align-items:flex-end; }
.vfields.newvideo .btn { flex:0 0 auto; }
.vfields input, .vfields select { min-width:0; width:100%; }