/* === reset === */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue",sans-serif;background:#f0f4f8;color:#1d2129;overflow-x:hidden;min-height:100vh;padding-bottom:64px;-webkit-tap-highlight-color:transparent;line-height:1.5}
a{color:inherit;text-decoration:none}

/* === container === */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 12px}

/* === header bar (list pages) === */
.hdr{position:sticky;top:0;z-index:99;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:0 14px;height:48px;display:flex;justify-content:space-between;align-items:center;box-shadow:0 1px 0 rgba(0,0,0,.06)}
.hdr-brand{display:flex;align-items:center;gap:8px}
.hdr h1{font-size:15px;font-weight:700;background:linear-gradient(135deg,#1677ff,#0f3885);-webkit-background-clip:text;-webkit-text-fill-color:transparent}

/* === topbar (detail pages) === */
.topbar{position:sticky;top:0;z-index:99;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);padding:0 8px;height:48px;display:flex;align-items:center;box-shadow:0 1px 0 rgba(0,0,0,.06)}
.topbar-back{width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;border-radius:8px;border:none;background:transparent;text-decoration:none}
.topbar-back img{width:20px;height:20px;opacity:.6}
.topbar-tt{flex:1;font-size:14px;font-weight:600;text-align:center;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;padding:0 12px}

/* === search bar === */
.sb{display:flex;align-items:center;gap:8px;padding:10px 0 6px}
.sb-inp{flex:1;display:flex;align-items:center;gap:6px;background:#fff;border-radius:22px;padding:0 12px;height:36px;box-shadow:0 1px 6px rgba(0,0,0,.06)}
.sb-inp img{width:15px;height:15px;opacity:.4;flex-shrink:0}
.sb-inp input{flex:1;border:none;outline:none;font-size:13px;background:transparent;color:#1d2129}
.sb-inp input::placeholder{color:#b0b7c3}
.sb-inp .sb-clear{width:14px;height:14px;opacity:.35;cursor:pointer;flex-shrink:0;display:none}
.sb-inp.has-val .sb-clear{display:block}
.sb-views{display:flex;gap:4px;flex-shrink:0}
.sb-views button{width:34px;height:34px;border-radius:10px;border:none;background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 1px 6px rgba(0,0,0,.06);transition:background .15s}
.sb-views button.on{background:#1677ff}
.sb-views button img{width:16px;height:16px}
.sb-views button.on img{filter:brightness(0) invert(1)}

/* === tags bar === */
.tg-bar{overflow-x:auto;white-space:nowrap;padding:4px 0 10px;scrollbar-width:none;-ms-overflow-style:none}
.tg-bar::-webkit-scrollbar{display:none}
.tg-bar a{display:inline-block;font-size:12px;padding:5px 12px;border-radius:16px;background:#fff;color:#6e7681;margin-right:6px;cursor:pointer;white-space:nowrap;box-shadow:0 1px 4px rgba(0,0,0,.05);transition:all .15s;text-decoration:none;border:1.5px solid transparent}
.tg-bar a.on{background:#e6f0ff;color:#1677ff;border-color:#1677ff;font-weight:600}

/* === section title row (首页) === */
.sec{margin-bottom:18px}
.st-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.st-tt{font-size:15px;font-weight:700;color:#1d2129}
.st-all{font-size:12px;color:#1677ff;font-weight:500;white-space:nowrap}

/* === empty state === */
.empty{text-align:center;padding:60px 0;color:#b0b7c3;font-size:14px}

/* === load more === */
.load-more{text-align:center;padding:18px 0 4px;color:#b0b7c3;font-size:12px}
.load-more.loading{color:#1677ff}

/* === progress bar === */
.progress{position:fixed;top:48px;left:0;height:2px;z-index:100;background:linear-gradient(90deg,#1677ff,#0f3885);transition:width .1s linear}

/* === bottom tabbar (mobile only) === */
nav.tb{position:fixed;bottom:0;left:0;right:0;margin:0;padding:0;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-top:1px solid rgba(0,0,0,.06);height:52px;display:flex;z-index:100;padding-bottom:env(safe-area-inset-bottom,0)}
nav.tb .tb-it{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;text-decoration:none;margin:0;padding:0;border:none;background:none}
nav.tb .tb-it:active{opacity:.65}
nav.tb .tb-a .tb-nm{color:#1677ff;font-weight:600}
nav.tb .tb-a .tb-ico{filter:invert(35%) sepia(96%) saturate(1600%) hue-rotate(200deg)}
nav.tb .tb-n .tb-nm{color:#6e7681}
nav.tb .tb-ico{width:20px;height:20px;border:none}
nav.tb .tb-nm{font-size:10px;margin-top:2px}

/* ========== tablet/pc ≥ 768px ========== */
@media(min-width:768px){
  body{padding-bottom:0}
  .wrap{padding:0 20px}
  .hdr{padding:0 24px;height:56px}
  .hdr h1{font-size:17px}
  .topbar{padding:0 16px;height:56px}
  .topbar-tt{font-size:15px}
  .progress{top:56px}
  .sb{padding:14px 0 8px}
  .sb-inp{height:40px;font-size:14px}
  .sb-views button{width:38px;height:38px}
  .tg-bar a{font-size:13px;padding:6px 14px}
  nav.tb{display:none}
}