:root{
      --bg:#090b10;
      --fg:rgba(255,255,255,.92);
      --muted:rgba(255,255,255,.74);
      --dim:rgba(255,255,255,.55);

      --card:rgba(255,255,255,.06);
      --border:rgba(255,255,255,.12);
      --shadow: 0 12px 48px rgba(0,0,0,.45);
      --shadow2: 0 10px 30px rgba(0,0,0,.38);
      --radius: 18px;

      --padX: 20px;
      --maxW: 1160px;

      --fatalis: rgba(255,64,96,.82);
      --fatalisSoft: rgba(255,64,96,.16);
      --fatalisLine: rgba(255,64,96,.28);

      --ok: rgba(120,255,200,.85);

      --acc-kook: rgba(120,180,255,.32);
      --acc-discord: rgba(140,130,255,.36);
      --acc-telegram: rgba(120,210,255,.32);
      --acc-qq: rgba(120,255,200,.26);
      --acc-owner: rgba(255,208,120,.26);
      --acc-status: rgba(255,64,96,.26);

      --warn: rgba(255,208,120,.22);
      --danger: rgba(255,64,96,.18);
      --good: rgba(120,255,200,.18);

      --hero-image: image-set(
        url("hero-1280.webp") type("image/webp"),
        url("hero-1280.jpg") type("image/jpeg")
      );
    }
    @media (min-width: 1400px), (min-resolution: 1.5dppx){
      :root{
        --hero-image: image-set(
          url("hero-1920.webp") type("image/webp"),
          url("hero-1920.jpg") type("image/jpeg")
        );
      }
    }
    @media (min-width: 1900px) and (min-resolution: 2dppx){
      :root{
        --hero-image: image-set(
          url("hero-3200.webp") type("image/webp"),
          url("hero-3200.jpg") type("image/jpeg")
        );
      }
    }

    *{box-sizing:border-box}
    html,body{height:100%}
    body{
      margin:0;
      font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
        "PingFang SC","Noto Sans SC","Microsoft YaHei", Arial, sans-serif;
      background:
        radial-gradient(1200px 700px at 70% 10%, rgba(255,64,96,.11), rgba(9,11,16,0) 60%),
        radial-gradient(900px 520px at 18% 0%, rgba(255,255,255,.06), rgba(9,11,16,0) 65%),
        linear-gradient(180deg, #07080b, #0b0d14 62%, #07080b);
      color: var(--fg);
      overflow: hidden;
    }

    /* Root scroller */
    .scroller{
      height: 100svh;
      overflow-y: auto;
      overflow-x: hidden;
      overscroll-behavior-y: none;
      scrollbar-width: thin;
      scroll-snap-type: y proximity;
    }
    .page{
      scroll-snap-align: start;
      scroll-snap-stop: always;
      min-height: 100svh;
    }

    /* Buttons */
    .btn{
      border: 1px solid var(--border);
      background: rgba(0,0,0,.18);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      box-shadow: var(--shadow2);
      border-radius: 999px;
      padding: 10px 14px;
      cursor:pointer;
      user-select:none;
      display:inline-flex;
      align-items:center;
      gap: 10px;
      transition: transform .15s ease, background .2s ease, border-color .2s ease, box-shadow .2s ease;
      color: var(--fg);
      font-size: 14px;
      text-decoration:none;
      white-space: nowrap;
    }
    .btn:hover{
      transform: translateY(-1px);
      border-color: rgba(255,255,255,.22);
      box-shadow: 0 14px 40px rgba(0,0,0,.46);
    }
    .btn:active{ transform: translateY(0px); }

    .btnPrimary{
      border-color: var(--fatalisLine);
      background: linear-gradient(180deg, rgba(255,64,96,.20), rgba(255,255,255,.06));
    }
    .btnGhost{
      background: rgba(255,255,255,.06);
      border-color: rgba(255,255,255,.16);
      box-shadow: none;
    }
    .btnSmall{
      padding: 9px 12px;
      font-size: 13px;
      box-shadow: none;
      background: rgba(255,255,255,.06);
      border-color: rgba(255,255,255,.14);
    }
    .btnSmall:hover{ box-shadow:none; }

    .dot{ width: 8px; height: 8px; border-radius: 99px; background: rgba(255,255,255,.65); }
    .dot.on{ background: var(--ok); }
    .hint{ color: var(--dim); font-size: 13px; }

    /* Page 1 (Hero) */
    .hero{
      position:relative;
      display:flex;
      align-items:flex-end;
      justify-content:flex-start;
      padding: 78px var(--padX) 72px;
    }
    .hero::before{
      content:"";
      position:absolute; inset:0;
      background-image: var(--hero-image);
      background-size: cover;
      background-position: center;
      filter: saturate(1.02) contrast(1.03);
      transform: scale(1.02);
      z-index:-2;
    }
    .hero::after{
      content:"";
      position:absolute; inset:0;
      pointer-events:none;
      z-index:-1;
      background:
        radial-gradient(ellipse at center, rgba(0,0,0,0) 73%, rgba(0,0,0,0.14) 100%),
        linear-gradient(to top, rgba(0,0,0,0.12), rgba(0,0,0,0) 66%),
        radial-gradient(1200px 520px at 18% 92%, rgba(255,64,96,.12), rgba(0,0,0,0) 60%);
    }

    .wrap{
      width:min(var(--maxW), 100%);
      display:grid;
      gap: 14px;
      margin-left: clamp(0px, 3.2vw, 62px);
    }
    .stack{
      padding-left: 10px;
      display:flex;
      flex-direction:column;
      gap: 12px;
      width: fit-content;
    }

    .title{
      background: rgba(0,0,0,0.18);
      backdrop-filter: blur(7px);
      -webkit-backdrop-filter: blur(7px);
      border-radius: 14px;
      padding: 18px 18px;
      width: fit-content;
      border: 1px solid rgba(255,255,255,.10);
      box-shadow: 0 14px 50px rgba(0,0,0,.35);
      position: relative;
    }
    .title::before{
      content:"";
      position:absolute;
      inset:-1px;
      border-radius: 14px;
      pointer-events:none;
      background: linear-gradient(135deg, rgba(255,64,96,.22), rgba(255,255,255,0) 58%);
      mask: linear-gradient(#000, #000) content-box, linear-gradient(#000, #000);
      -webkit-mask: linear-gradient(#000, #000) content-box, linear-gradient(#000, #000);
      padding: 1px;
      -webkit-mask-composite: xor;
      mask-composite: exclude;
      opacity:.9;
    }
    .kicker{
      letter-spacing: .12em;
      text-transform: uppercase;
      color: var(--dim);
      font-size: 12px;
      margin-bottom: 8px;
    }
    h1{
      margin:0;
      font-weight: 760;
      font-size: clamp(32px, 4vw, 56px);
      line-height: 1.03;
    }
    .sub{
      margin: 10px 0 0;
      max-width: 68ch;
      color: var(--muted);
      font-size: clamp(14px, 1.6vw, 18px);
      line-height: 1.65;
    }
    .heroControls{
      display:flex;
      gap: 10px;
      align-items:center;
      flex-wrap: wrap;
      padding: 0;
      margin: 0;
    }
    .btn.tap{
      animation: btnTap .24s ease;
    }
    @keyframes btnTap{
      0%{ transform: translateY(0) scale(1); }
      45%{ transform: translateY(0) scale(.95); }
      100%{ transform: translateY(0) scale(1); }
    }
    .bgmPanel{
      position: relative;
      width: min(540px, calc(100vw - 64px));
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(0,0,0,.22);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-radius: 12px;
      margin-top: 10px;
      min-height: 40px;
      padding: 8px 10px;
      display:grid;
      grid-template-columns: auto 1fr auto;
      align-items:center;
      gap: 8px;
      opacity: 0;
      transform: translateY(-6px) scale(.985);
      pointer-events:none;
      transition: opacity .24s ease, transform .24s ease;
    }
    .bgmPanel.on{
      opacity: 1;
      transform: translateY(0) scale(1);
      pointer-events:auto;
    }
    .bgmPanel .btn{
      min-width: 86px;
      justify-content:center;
      padding: 7px 10px;
      font-size: 12px;
      box-shadow: none;
      grid-column: 1;
      grid-row: 1;
    }
    .bgmBar{
      width: 100%;
      grid-column: 2;
      grid-row: 1;
      accent-color: rgba(255,64,96,.86);
      cursor: pointer;
    }
    .bgmPanel > .bgmTop:first-child{
      display: contents;
    }
    .bgmPanel > .bgmTop:first-child .bgmTitle{ display:none; }
    .bgmPanel > .bgmTop:last-child{
      display: contents;
    }
    .bgmPanel > .bgmTop:last-child .hint{ display:none; }
    .bgmTime{
      position: static;
      grid-column: 3;
      grid-row: 1;
      color: rgba(255,255,255,.68);
      font-size: 10.5px;
      letter-spacing: .02em;
      line-height: 1;
      user-select:none;
      white-space: nowrap;
      align-self: center;
    }
    .musicCredit{
      position:absolute;
      right: 14px;
      bottom: 8px;
      color: rgba(255,255,255,.38);
      font-size: 10.5px;
      line-height: 1.6;
      max-width: min(56ch, 62vw);
      text-align: right;
      pointer-events:none;
    }

    .scrollCue{
      margin-top: 10px;
      display:flex;
      align-items:center;
      justify-content:flex-start;
      padding: 10px 0 0 10px;
      gap: 10px;
    }
    .chev{
      width: 42px; height: 42px;
      border-radius: 999px;
      border: 1px solid var(--border);
      background: rgba(0,0,0,.12);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      display:grid;
      place-items:center;
      cursor:pointer;
      transition: transform .15s ease, border-color .2s ease, background .2s ease;
    }
    .chev:hover{ transform: translateY(1px); border-color: rgba(255,255,255,.22); background: rgba(0,0,0,.16); }
    .chev svg{ opacity:.86 }

    /* Floating nav */
    .floatNav{
      position: fixed;
      right: 16px;
      bottom: 16px;
      z-index: 50;
      display:flex;
      flex-direction:column;
      gap: 10px;
      pointer-events: none;
    }
    .floatNav .btn{
      pointer-events: auto;
      justify-content:center;
      min-width: 120px;
    }
    .floatNav .btn[hidden]{ display:none; }

    /* Page 2 (Details) */
    .detailsPage{
      position: relative;
      min-height: 100svh;
      background:
        radial-gradient(1100px 420px at 50% 0%, rgba(255,255,255,.06), rgba(255,255,255,0) 62%),
        radial-gradient(900px 520px at 74% 6%, rgba(255,64,96,.12), rgba(255,255,255,0) 70%),
        linear-gradient(180deg, rgba(9,11,16,1), rgba(9,11,16,1));
    }
    .detailsPage::before{
      content:"";
      position:absolute;
      inset: 0 0 auto 0;
      height: 240px;
      pointer-events:none;
      background-image: var(--hero-image);
      background-size: cover;
      background-position: center;
      filter: blur(22px) saturate(1.02) contrast(1.05);
      opacity: .12;
      transform: scale(1.06);
      mask: linear-gradient(to bottom, rgba(0,0,0,1), rgba(0,0,0,0));
      -webkit-mask: linear-gradient(to bottom, rgba(0,0,0,1), rgba(0,0,0,0));
    }

    .detailsPage::after{
      content:"";
      position:absolute;
      inset: 0 0 auto 0;
      height: 1px;
      pointer-events:none;
      background: linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,.22), rgba(255,255,255,0));
      opacity: .75;
    }

    .detailsInner{
      width:min(var(--maxW), 100%);
      margin: 0 auto;
      padding: 56px var(--padX) 26px;
      position: relative;
      z-index: 1;

      /* ✅ 让滚动回归浏览器原生：速度正常 + 轨迹连续 */
    }

    .section{
      border: 1px solid var(--border);
      background: linear-gradient(180deg, var(--card), rgba(255,255,255,.03));
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 18px;
      margin-bottom: 14px;
      position: relative;
      overflow: hidden;
    }
    .section::after{
      content:"";
      position:absolute;
      inset: 0;
      pointer-events:none;
      border-radius: var(--radius);
      background: radial-gradient(900px 280px at 14% 0%, rgba(255,64,96,.09), rgba(255,255,255,0) 62%);
      opacity: .9;
    }
    .section > *{ position:relative; z-index:1; }

    .section h2{
      margin: 0 0 10px;
      font-size: 18px;
      letter-spacing: .02em;
      display:flex;
      align-items:center;
      gap: 10px;
    }
    .section h2 .secIcon{
      width: 18px;
      height: 18px;
      opacity: .9;
      fill: rgba(255,255,255,.86);
    }
    .section h2::before{
      content:"";
      width: 10px;
      height: 10px;
      border-radius: 999px;
      background: rgba(255,64,96,.55);
      box-shadow: 0 0 0 3px rgba(255,64,96,.12);
    }

    .grid{ display:grid; grid-template-columns: repeat(12, 1fr); gap: 12px; }
    .col6{ grid-column: span 6; }
    .col4{ grid-column: span 4; }
    .col12{ grid-column: span 12; }

    @media (max-width: 900px){
      .wrap{ margin-left: 0; }
      .stack{ width: 100%; padding-left: 0; }
      .scrollCue{ justify-content:center; padding-left:0; }
      .hero{ justify-content:center; }
      .bgmPanel{ width: min(600px, 100%); }
      .musicCredit{
        right: auto;
        left: 50%;
        transform: translateX(-50%);
        width: calc(100% - 24px);
        max-width: 420px;
        text-align: center;
      }
      .col6,.col4{ grid-column: span 12; }
      .machineGrid{ grid-template-columns: 1fr; }
      .machineItem.wide{ grid-column: span 1; }
      .metaGrid{ grid-template-columns: 1fr; gap: 8px; }
      .metaKey{ padding-top: 2px; }
      .floatNav .btn{ min-width: 108px; }
    }

    /* Cards */
    .card{
      padding: 14px;
      border: 1px solid rgba(255,255,255,.10);
      background: rgba(0,0,0,.12);
      border-radius: 14px;
      display:flex;
      flex-direction:column;
      gap: 10px;
      min-height: 140px;
      position: relative;
      overflow: hidden;
    }
    .card::before{
      content:"";
      position:absolute;
      inset:-1px;
      border-radius: 14px;
      pointer-events:none;
      background: linear-gradient(135deg, rgba(255,255,255,.10), rgba(255,255,255,0) 55%);
      opacity:.55;
    }
    .card::after{
      content:"";
      position:absolute;
      inset: 0;
      pointer-events:none;
      border-radius: 14px;
      background: radial-gradient(700px 220px at 18% 0%, rgba(255,64,96,.10), rgba(255,255,255,0) 62%);
      opacity: .85;
    }
    .card > *{ position:relative; z-index:1; }

    .cardTop{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap: 10px;
    }
    .cardTitle{
      display:flex;
      align-items:center;
      gap: 10px;
      font-weight: 760;
      letter-spacing: .01em;
    }
    .cardDesc{
      color: rgba(255,255,255,.66);
      font-size: 13px;
      line-height: 1.7;
      margin-top: 2px;
    }

    .valuePill{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap: 10px;
      border-radius: 12px;
      border: 1px solid rgba(255,255,255,.12);
      background: rgba(255,255,255,.06);
      padding: 10px 10px;
      margin-top: 4px;
    }
    .valueText{
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
      color: rgba(255,255,255,.90);
      font-size: 13px;
      letter-spacing: .01em;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }
    .valueMeta{
      color: rgba(255,255,255,.58);
      font-size: 12px;
      white-space: nowrap;
    }

    .cardActions{
      display:flex;
      gap: 10px;
      flex-wrap: wrap;
      margin-top: auto;
    }

    /* Icons */
    .icon{
      width: 18px;
      height: 18px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      opacity: .92;
    }
    .icon svg{
      width: 18px;
      height: 18px;
      fill: rgba(255,255,255,.86);
    }

    /* Tag */
    .tag{
      display:inline-flex;
      align-items:center;
      gap: 6px;
      padding: 3px 9px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.05);
      color: rgba(255,255,255,.82);
      font-size: 11px;
      line-height: 1.6;
      white-space: nowrap;
    }
    .tagSm{ font-size: 10.8px; padding: 3px 8px; opacity:.95; }

    .tag.kook{ border-color: var(--acc-kook); background: rgba(120,180,255,.10); }
    .tag.discord{ border-color: var(--acc-discord); background: rgba(140,130,255,.10); }
    .tag.telegram{ border-color: var(--acc-telegram); background: rgba(120,210,255,.10); }
    .tag.qq{ border-color: var(--acc-qq); background: rgba(120,255,200,.08); }
    .tag.owner{ border-color: var(--acc-owner); background: rgba(255,208,120,.10); }
    .tag.status{ border-color: var(--acc-status); background: rgba(255,64,96,.10); }

    /* Prose / citations */
    .prose{
      margin: 6px 0 0;
      color: rgba(255,255,255,.82);
      line-height: 1.95;
      font-size: 15px;
      font-family: ui-serif, "Noto Serif SC", "Songti SC", "STSong", serif;
    }
    .prose ul{ margin: 10px 0 0; padding-left: 18px; }
    .prose li{
      margin: 10px 0;
      padding-left: 4px;
    }
    .prose strong{ color: var(--fg); font-weight: 780; }
    .hl{
      padding: 1px 8px;
      border-radius: 999px;
      background: rgba(255,64,96,.10);
      border: 1px solid rgba(255,64,96,.18);
      color: rgba(255,255,255,.92);
      font-weight: 750;
      white-space: nowrap;
    }

    sup a.ref{
      display:inline-block;
      padding: 1px 7px;
      border-radius: 999px;
      border: 1px solid rgba(255,64,96,.22);
      background: rgba(255,64,96,.10);
      color: rgba(255,255,255,.90);
      text-decoration:none;
      font-size: 11px;
      line-height: 1.6;
      transform: translateY(-1px);
    }
    sup a.ref:hover{
      border-color: rgba(255,64,96,.36);
      background: rgba(255,255,255,.08);
    }
    .cite{
      margin-top: 14px;
      padding-top: 12px;
      border-top: 1px solid rgba(255,255,255,.08);
      color: rgba(255,255,255,.60);
      font-size: 12px;
      line-height: 1.75;
      display:grid;
      gap: 6px;
      font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC","Noto Sans SC","Microsoft YaHei", Arial, sans-serif;
    }
    .cite a{
      color: rgba(255,255,255,.86);
      text-decoration: none;
      border-bottom: 1px dashed rgba(255,255,255,.24);
    }
    .cite a:hover{ border-bottom-color: rgba(255,255,255,.5); }

    /* TOS */
    .callout{
      margin: 10px 0 12px;
      padding: 12px 12px;
      border-radius: 14px;
      border: 1px solid rgba(255,64,96,.18);
      background: rgba(255,64,96,.08);
      color: rgba(255,255,255,.86);
      font-size: 13px;
      line-height: 1.8;
    }
    .tos{
      color: rgba(255,255,255,.80);
      line-height: 1.95;
      font-size: 14px;
      font-family: ui-serif, "Noto Serif SC", "Songti SC", "STSong", serif;
    }
    .tos p{ margin: 8px 0 10px; }
    .tos ol{ margin: 10px 0 0; padding-left: 20px; }
    .tos li{
      margin: 10px 0;
      color: rgba(255,255,255,.76);
      padding: 10px 12px;
      border-radius: 12px;
      border: 1px solid rgba(255,255,255,.08);
      background: rgba(255,255,255,.035);
    }
    .tos li:nth-child(1),
    .tos li:nth-child(2),
    .tos li:nth-child(4),
    .tos li:nth-child(5){
      border-color: rgba(255,64,96,.12);
      background: rgba(255,64,96,.045);
    }
    .tos li:nth-child(6){
      border-color: rgba(255,208,120,.14);
      background: rgba(255,208,120,.045);
    }
    .tos li:nth-child(9){
      border-color: rgba(120,255,200,.12);
      background: rgba(120,255,200,.045);
    }
    .tos li strong{ color: rgba(255,255,255,.92); font-weight: 760; }
    .tos li em{
      color: rgba(255,255,255,.90);
      font-style: normal;
      border-bottom: 1px dashed rgba(255,255,255,.28);
      padding-bottom: 1px;
    }
    .pillMark{
      display:inline-block;
      padding: 1px 9px;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(0,0,0,.18);
      color: rgba(255,255,255,.88);
      font-size: 12px;
      transform: translateY(-1px);
      margin: 0 2px;
      white-space: nowrap;
    }
    .pillMark.red{ border-color: rgba(255,64,96,.22); background: rgba(255,64,96,.10); }
    .pillMark.yellow{ border-color: rgba(255,208,120,.22); background: rgba(255,208,120,.10); }
    .pillMark.green{ border-color: rgba(120,255,200,.22); background: rgba(120,255,200,.10); }

    /* Machine room */
    .machineIntro{
      margin: 0;
      color: rgba(255,255,255,.84);
      font-size: 15px;
      line-height: 1.9;
      font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
        "PingFang SC","Noto Sans SC","Microsoft YaHei", Arial, sans-serif;
    }
    .machineIntro p{ margin: 0 0 12px; }
    .machineGrid{
      display:grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 12px;
      margin-top: 14px;
    }
    .machineItem{
      border: 1px solid rgba(255,255,255,.10);
      background: rgba(255,255,255,.03);
      border-radius: 14px;
      padding: 12px 14px;
      display:flex;
      flex-direction:column;
      gap: 8px;
    }
    .machineItem.wide{ grid-column: span 2; }
    .machineLabel{
      color: rgba(255,255,255,.60);
      font-size: 12px;
      letter-spacing: .03em;
      text-transform: uppercase;
    }
    .machineText{
      color: rgba(255,255,255,.84);
      font-size: 14px;
      line-height: 1.8;
      font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
        "PingFang SC","Noto Sans SC","Microsoft YaHei", Arial, sans-serif;
    }
    .machineSpec{
      display:flex;
      flex-wrap: wrap;
      gap: 8px;
    }
    .machineSpec span{
      display:inline-flex;
      align-items:center;
      border-radius: 999px;
      border: 1px solid rgba(255,255,255,.14);
      background: rgba(255,255,255,.06);
      padding: 3px 10px;
      font-size: 12px;
      color: rgba(255,255,255,.88);
      line-height: 1.6;
    }
    .machineActions{
      display:flex;
      flex-wrap: wrap;
      gap: 10px;
    }
    .metaGrid{
      display:grid;
      grid-template-columns: 130px minmax(0, 1fr);
      gap: 10px 14px;
      margin-top: 14px;
      font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
        "PingFang SC","Noto Sans SC","Microsoft YaHei", Arial, sans-serif;
    }
    .metaKey{
      color: rgba(255,255,255,.58);
      font-size: 12px;
      letter-spacing: .04em;
      text-transform: uppercase;
      padding: 10px 0 0;
    }
    .metaVal{
      color: rgba(255,255,255,.84);
      font-size: 14px;
      line-height: 1.8;
      padding: 10px 12px;
      border-radius: 12px;
      border: 1px solid rgba(255,255,255,.09);
      background: rgba(255,255,255,.03);
    }
    .metaVal .btn{ margin-top: 2px; }
    .mono{
      font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
        "PingFang SC","Noto Sans SC","Microsoft YaHei", Arial, sans-serif;
      font-size: 14px;
      color: rgba(255,255,255,.90);
      line-height: 1.75;
    }

    /* Toast */
    .toast{
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 80;
      background: rgba(0,0,0,.52);
      border: 1px solid rgba(255,255,255,.16);
      border-radius: 999px;
      padding: 10px 14px;
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      box-shadow: 0 16px 52px rgba(0,0,0,.45);
      color: rgba(255,255,255,.90);
      font-size: 13px;
      opacity: 0;
      pointer-events:none;
      transition: opacity .22s ease, transform .22s ease;
    }
    .toast.on{
      opacity: 1;
      transform: translateX(-50%) translateY(-2px);
    }

    footer{
      margin-top: 10px;
      padding: 12px 0 24px;
      color: var(--dim);
      font-size: 12px;
      text-align: center;
    }