:root {
    --red: #FF060A;
    --red-hi: #ff3b3f;
    --gold: #f7c948;
    --green: #2bd576;
    --bg: #08080d;
    --card: rgba(20, 20, 30, .72);
    --line: rgba(255, 255, 255, .07);
    --text: #f6f6f9;
    --muted: #9292a6;
  }

  * { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

  html { scroll-behavior: smooth; }

  body {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Segoe UI", "Microsoft YaHei", sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
  }

  /* ============ 背景光效层 ============ */
  .bg-scene {
    position: fixed; inset: 0; z-index: -2; overflow: hidden;
    background:
      radial-gradient(900px 500px at 85% -10%, rgba(255, 6, 10, .22), transparent 60%),
      radial-gradient(700px 500px at 0% 20%, rgba(247, 201, 72, .07), transparent 55%),
      radial-gradient(800px 600px at 50% 110%, rgba(255, 6, 10, .10), transparent 60%),
      var(--bg);
  }
  .orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .5; animation: drift 18s ease-in-out infinite; }
  .orb-1 { width: 380px; height: 380px; background: rgba(255, 6, 10, .28); top: -120px; right: -80px; }
  .orb-2 { width: 300px; height: 300px; background: rgba(247, 201, 72, .14); bottom: 8%; left: -100px; animation-delay: -6s; }
  .orb-3 { width: 260px; height: 260px; background: rgba(255, 6, 10, .18); top: 45%; right: -90px; animation-delay: -11s; }
  @keyframes drift {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-30px, 26px) scale(1.08); }
    66% { transform: translate(20px, -18px) scale(.94); }
  }

  /* 浮尘粒子 */
  .particle { position: absolute; bottom: -10px; width: 3px; height: 3px; border-radius: 50%;
    background: rgba(255, 59, 63, .7); animation: rise linear infinite; }
  @keyframes rise {
    from { transform: translateY(0) translateX(0); opacity: 0; }
    12% { opacity: .8; }
    to { transform: translateY(-110vh) translateX(20px); opacity: 0; }
  }

  /* ============ 布局 ============ */
  .wrap { max-width: 520px; margin: 0 auto; padding: 20px 18px 44px; position: relative; }

  /* ============ 海报区 HERO ============ */
  .hero {
    position: relative;
    border-radius: 26px;
    padding: 34px 26px 30px;
    background:
      linear-gradient(160deg, rgba(255,6,10,.16) 0%, rgba(20,20,30,.85) 40%, rgba(20,20,30,.9) 100%);
    border: 1px solid rgba(255, 6, 10, .22);
    box-shadow: 0 24px 60px rgba(0,0,0,.55), inset 0 1px 0 rgba(255,255,255,.06);
    overflow: hidden;
    text-align: center;
    animation: fadeUp .7s ease both;
  }
  .hero::before {
    content: ""; position: absolute; inset: -60% -40%;
    background: conic-gradient(from 180deg, transparent 0deg, rgba(255,6,10,.25) 60deg, transparent 120deg);
    animation: sweep 8s linear infinite;
  }
  @keyframes sweep { to { transform: rotate(360deg); } }
  .hero-inner { position: relative; z-index: 1; }

  .hero-badge {
    display: inline-flex; align-items: center; gap: 7px;
    background: rgba(255, 255, 255, .06);
    border: 1px solid var(--line);
    border-radius: 99px; padding: 6px 14px;
    font-size: 12px; color: #ffd9da; letter-spacing: 2px;
    margin-bottom: 22px;
  }
  .hero-badge .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); animation: blink 2s infinite; }
  @keyframes blink { 50% { opacity: .35; } }

  .energy-core {
    width: 96px; height: 96px; margin: 0 auto 20px; position: relative;
    display: flex; align-items: center; justify-content: center;
  }
  .core-ring { position: absolute; inset: 0; border-radius: 50%; border: 1px solid rgba(255,6,10,.4); animation: ringPulse 3s ease-out infinite; }
  .core-ring:nth-child(2) { animation-delay: 1s; }
  .core-ring:nth-child(3) { animation-delay: 2s; }
  @keyframes ringPulse {
    from { transform: scale(.7); opacity: .9; }
    to { transform: scale(1.6); opacity: 0; }
  }
  .core-center {
    width: 60px; height: 60px; border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, #ff7a1a, var(--red) 55%, #7a0406);
    box-shadow: 0 0 34px rgba(255,6,10,.75), inset 0 -6px 14px rgba(0,0,0,.5);
    display: flex; align-items: center; justify-content: center;
    font-size: 26px; font-weight: 900; color: #fff;
    animation: coreBeat 2.6s ease-in-out infinite;
  }
  @keyframes coreBeat { 0%,100% { transform: scale(1); } 50% { transform: scale(1.08); } }

  .hero h1 {
    font-size: 30px; font-weight: 900; letter-spacing: 1px; line-height: 1.25;
    background: linear-gradient(180deg, #fff 20%, #ffb3b5 100%);
    -webkit-background-clip: text; background-clip: text; color: transparent;
  }
  .hero h1 .accent { color: var(--gold); -webkit-text-fill-color: var(--gold); }
  .hero p.sub { color: var(--muted); font-size: 13.5px; margin-top: 10px; }

  .hero-stats { display: flex; justify-content: center; gap: 14px; margin-top: 24px; }
  .stat {
    flex: 1; max-width: 150px;
    background: rgba(0, 0, 0, .3);
    border: 1px solid var(--line);
    border-radius: 14px; padding: 12px 8px;
  }
  .stat b { display: block; font-size: 19px; font-weight: 800; color: var(--gold); }
  .stat span { font-size: 11px; color: var(--muted); }

  /* ============ 区块标题 ============ */
  .section { margin-top: 34px; animation: fadeUp .7s ease both; }
  .section:nth-of-type(2) { animation-delay: .08s; }
  .section:nth-of-type(3) { animation-delay: .16s; }
  .section:nth-of-type(4) { animation-delay: .24s; }
  @keyframes fadeUp { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

  .sec-head { margin-bottom: 16px; }
  .sec-head h2 { font-size: 19px; font-weight: 800; display: flex; align-items: center; gap: 9px; }
  .sec-head h2::before { content: ""; width: 4px; height: 18px; border-radius: 2px; background: linear-gradient(var(--red), var(--gold)); }
  .sec-head p { color: var(--muted); font-size: 12.5px; margin-top: 4px; }

  /* ============ 说明卡片 ============ */
  .info-grid { display: flex; flex-direction: column; gap: 12px; }
  .info-card {
    display: flex; gap: 14px; align-items: flex-start;
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: 18px; padding: 18px 16px;
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
    transition: transform .25s, border-color .25s;
  }
  .info-card:hover { transform: translateY(-3px); border-color: rgba(255,6,10,.35); }
  .info-icon {
    width: 44px; height: 44px; flex-shrink: 0; border-radius: 13px;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(145deg, rgba(255,6,10,.18), rgba(255,6,10,.05));
    border: 1px solid rgba(255,6,10,.25);
  }
  .info-icon svg { width: 22px; height: 22px; }
  .info-card h3 { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
  .info-card p { font-size: 12.5px; color: var(--muted); }

  /* ============ 三步流程 ============ */
  .steps { display: flex; flex-direction: column; gap: 0; }
  .step { display: flex; gap: 14px; position: relative; padding-bottom: 22px; }
  .step:last-child { padding-bottom: 0; }
  .step::before {
    content: ""; position: absolute; left: 16px; top: 36px; bottom: 0;
    width: 1px; background: linear-gradient(rgba(255,6,10,.4), rgba(255,6,10,.06));
  }
  .step:last-child::before { display: none; }
  .step-num {
    width: 32px; height: 32px; flex-shrink: 0; border-radius: 50%;
    background: linear-gradient(145deg, #ff2b2f, #b00508);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 800; z-index: 1;
    box-shadow: 0 4px 14px rgba(255,6,10,.4);
  }
  .step-body h4 { font-size: 14px; font-weight: 700; }
  .step-body p { font-size: 12.5px; color: var(--muted); }

  /* ============ 领取卡片 ============ */
  .claim-card {
    background: var(--card);
    border: 1px solid rgba(255, 6, 10, .25);
    border-radius: 22px; padding: 24px 20px;
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    box-shadow: 0 20px 50px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.05);
    position: relative; overflow: hidden;
  }
  .claim-card::before {
    content: ""; position: absolute; top: 0; left: 10%; right: 10%; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,6,10,.7), transparent);
  }

  .field-label { font-size: 13px; color: var(--muted); margin-bottom: 9px; display: flex; justify-content: space-between; }
  .field-label b { color: #d8d8e4; font-weight: 600; }

  .input-wrap { position: relative; }
  .input-wrap input {
    width: 100%; height: 56px;
    background: rgba(0, 0, 0, .38);
    border: 1px solid #2c2c3c;
    border-radius: 15px;
    color: var(--text); font-size: 15px;
    padding: 0 92px 0 16px; outline: none;
    transition: border .2s, box-shadow .2s;
  }
  .input-wrap input::placeholder { color: #4c4c5e; }
  .input-wrap input:focus { border-color: var(--red); box-shadow: 0 0 0 3px rgba(255,6,10,.15); }
  .input-wrap input.err { border-color: #ff4d4f; }
  .paste-btn {
    position: absolute; right: 8px; top: 50%; transform: translateY(-50%);
    background: rgba(255,255,255,.06); color: #d5d5e2;
    border: 1px solid var(--line); border-radius: 10px;
    font-size: 12.5px; padding: 7px 12px; cursor: pointer;
    transition: background .2s;
  }
  .paste-btn:hover { background: rgba(255,255,255,.12); }
  .paste-btn:active { opacity: .7; }

  .error-msg { color: #ff5c5f; font-size: 12px; margin-top: 8px; min-height: 17px; }

  .claim-btn {
    position: relative; overflow: hidden;
    width: 100%; height: 58px; margin-top: 16px;
    border: none; border-radius: 16px;
    background: linear-gradient(135deg, #ff3b3f 0%, #e5080c 45%, #a80407 100%);
    color: #fff; font-size: 17px; font-weight: 800; letter-spacing: 2px;
    cursor: pointer;
    box-shadow: 0 10px 28px rgba(255,6,10,.4), inset 0 1px 0 rgba(255,255,255,.22);
    transition: transform .12s, filter .2s;
  }
  .claim-btn::after {
    content: ""; position: absolute; top: 0; left: -80%;
    width: 45%; height: 100%;
    background: linear-gradient(100deg, transparent, rgba(255,255,255,.35), transparent);
    transform: skewX(-20deg);
    animation: shine 3.2s ease-in-out infinite;
  }
  @keyframes shine { 0%, 60% { left: -80%; } 100% { left: 130%; } }
  .claim-btn:hover { filter: brightness(1.08); }
  .claim-btn:active { transform: scale(.97); }
  .claim-btn:disabled { opacity: .55; cursor: not-allowed; filter: none; }

  /* ============ 页脚 ============ */
  .footer {
    margin-top: 30px; text-align: center;
    font-size: 11px; color: #51515f; line-height: 1.8;
  }
  .footer .brand { color: #787889; font-weight: 700; letter-spacing: 1px; }

/* Anniversary reward overlay */
.hero-badge { letter-spacing: 1px; }
.hero-stats { gap: 8px; }
.stat { min-width: 0; padding: 12px 6px; }
.stat b { font-size: 18px; }
.stat span { display: block; line-height: 1.4; }
.close-reward { margin-top: 16px; width: 40px; height: 40px; flex: 0 0 40px; display: grid; place-items: center; border: 1px solid #ffffff4d !important; border-radius: 50%; color: #ffffffcc; background: #0006; }
.close-reward:hover { color: #fff; background: #ffffff22; }
.close-reward svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 2.5; stroke-linecap: round; }
:root { color-scheme: dark; }
[hidden] { display: none !important; }
body.modal-open { overflow: hidden; }
.reward-dialog { font-family: Arial, "Segoe UI", sans-serif; line-height: normal; }
.reward-dialog button, .reward-dialog input { font-family: inherit; }
.reward-dialog button { border: 0; cursor: pointer; }
.reward-dialog button:disabled { cursor: default; }
.reward-dialog button:focus-visible { outline: 2px solid #64eff7; outline-offset: 4px; }
.reward-dialog img { display: block; max-width: 100%; }
.reward-overlay{position:fixed;inset:0;z-index:100;background:#0008;backdrop-filter:blur(5px);-webkit-backdrop-filter:blur(5px);display:flex;align-items:center;justify-content:center;padding:24px 16px;overflow-y:auto;overscroll-behavior:contain}
.reward-dialog{position:relative;width:340px;max-width:100%;margin:auto;display:flex;flex-direction:column;align-items:center;outline:none}
.gift-decoration{position:relative;width:112px;height:112px;margin-bottom:-48px;z-index:2;animation:float-light 4s ease-in-out infinite;pointer-events:none}
.gift-decoration img{position:relative;width:112px;height:112px;filter:drop-shadow(0 12px 24px #0009)}
.gift-glow{position:absolute;inset:15px -8px 0;border-radius:50%;background:linear-gradient(90deg,#fbbf24,#5eead4,#f59e0b);filter:blur(24px);opacity:.7;animation:pulse-glow 3s ease-in-out infinite}
.reward-card{isolation:isolate;position:relative;overflow:hidden;width:100%;border:1px solid #ffffff26;border-radius:24px;padding:56px 23px 24px;text-align:center;background:linear-gradient(#1c1e2a,#161822 52%,#12131a);box-shadow:0 20px 50px #000c}
.reward-card::before,.reward-card::after{content:"";position:absolute;left:50%;transform:translateX(-50%);z-index:-1;pointer-events:none;border-radius:50%;filter:blur(28px)}
.reward-card::before{top:-40px;width:192px;height:128px;background:#f59e0b30}
.reward-card::after{bottom:-32px;width:160px;height:96px;background:#14b8a62a}
.anniversary-tag{display:inline-flex;gap:6px;align-items:center;padding:4px 12px;border-radius:40px;border:1px solid #fbbf2466;background:linear-gradient(90deg,#f59e0b33,#f9731633,#14b8a633);font-size:14px;margin-bottom:10px;line-height:18px}
.anniversary-tag span{font-size:12px;font-weight:600;letter-spacing:.3px;color:#fde68a}
.reward-card h2{font-size:20px;line-height:1.3;font-weight:800;letter-spacing:-.6px;margin:0 0 8px;white-space:nowrap}
.reward-description{font-size:12px;line-height:20px;color:#cbd5e1;font-weight:500;margin-bottom:16px}
.reward-amount{background:linear-gradient(135deg,#ffffff14,#ffffff08);border:1px solid #fbbf244d;border-radius:16px;padding:14px 16px;margin-bottom:20px;box-shadow:inset 0 2px 4px #0001}
.amount-line{display:flex;align-items:baseline;justify-content:center;gap:6px}
.amount-min{font-size:12px;color:#fcd34d;font-weight:700}
.amount-line strong{font-family:ui-monospace,"SFMono-Regular",Consolas,monospace;font-size:36px;font-weight:900;line-height:40px;letter-spacing:-1px;color:#fbbf24;background:linear-gradient(#fde68a,#fbbf24,#eab308);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.amount-unit{font-size:16px;font-weight:800;color:#5eead4;letter-spacing:.4px}
.reward-perks{border-top:1px solid #ffffff1a;margin-top:8px;padding-top:8px;display:flex;align-items:center;justify-content:center;gap:12px;font-size:11px;line-height:16px}
.reward-perks span{display:inline-flex;align-items:center;gap:4px;color:#34d399}
.reward-perks span:last-child{color:#5eead4}
.reward-perks svg{width:10px;height:10px;fill:currentColor}
.reward-perks i{width:4px;height:4px;border-radius:50%;background:#475569}
.claim-button{width:100%;min-height:52px;padding:13px 12px;border-radius:16px;background:linear-gradient(90deg,#00e5ff,#0088ff);color:#0a0e1a;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 8px 25px #00e5ff66;transition:box-shadow .2s,transform .2s;margin-bottom:12px}
.claim-button:disabled{flex-direction:column;gap:3px;color:#a7b7ca;background:#334155;box-shadow:none;border:1px solid #ffffff08}
.countdown-text{font-size:12px;font-weight:500}
.claim-button:not(:disabled):hover{box-shadow:0 8px 32px #00e5ff80}
.claim-button:not(:disabled):active{transform:scale(.98)}
.claim-arrow{font-size:21px;line-height:1}
.reward-footer{font-size:10px;color:#94a3b8;line-height:17px;white-space:normal;letter-spacing:0}
.address-field{text-align:left;margin-bottom:12px}
.address-network{font-size:11px;font-weight:600;color:#fcd34d;padding:0 3px;margin-bottom:6px;line-height:16px}
.address-input-wrap{position:relative}
.address-input-wrap input{border:1px solid #ffffff26;background:#0006;border-radius:12px;width:100%;padding:11px 64px 11px 12px;font-size:12px;color:#fff;outline:none;box-shadow:inset 0 2px 4px #0001}
.address-input-wrap input::placeholder{color:#94a3b8}
.address-input-wrap input:focus{border-color:#22d3ee}
.address-input-wrap input[aria-invalid=true]{border-color:#fb7185}
.paste-button{position:absolute;right:6px;top:50%;transform:translateY(-50%);padding:5px 8px;border-radius:8px;background:#ffffff1a;border:1px solid #ffffff1a;font-size:11px;font-weight:500;color:#67e8f9;display:flex;align-items:center;gap:3px}
.paste-button:hover{background:#ffffff33}
.paste-button svg{width:11px;height:11px;fill:currentColor}
.form-error{margin-top:6px;font-size:12px;color:#fda4af;line-height:18px}
.toast{position:fixed;bottom:max(32px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);z-index:110;background:#242731;color:#fff;border:1px solid #ffffff26;border-radius:12px;padding:14px 18px;box-shadow:0 8px 30px #0005;max-width:calc(100% - 32px);width:max-content;font-size:13px;line-height:1.6;text-align:center;pointer-events:none}

@keyframes float-light{0%,100%{transform:translateY(0) rotate(0)}
50%{transform:translateY(-8px) rotate(2deg)}
}
@keyframes pulse-glow{0%,100%{opacity:.6;transform:scale(1)}
50%{opacity:.9;transform:scale(1.08)}
}


.reward-card h2 { white-space: normal; }
.address-input-wrap input { padding-right: 70px; }
@media (max-width: 359px) {
  .hero { padding-left: 18px; padding-right: 18px; }
  .reward-card { padding-left: 16px; padding-right: 16px; }
  .reward-card h2 { font-size: 18px; }
  .reward-footer { font-size: 10px; }
}
@media (max-height: 650px) {
  .reward-overlay { padding: 12px 16px; }
  .gift-decoration, .gift-decoration img { width: 72px; height: 72px; }
  .gift-decoration { margin-bottom: -36px; }
  .reward-card { padding-top: 38px; padding-bottom: 18px; }
  .reward-description { margin-bottom: 10px; }
  .reward-amount { padding-top: 8px; padding-bottom: 8px; margin-bottom: 10px; }
  .claim-button { min-height: 46px; padding-top: 10px; padding-bottom: 10px; }
  .close-reward { margin-top: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}