html, body {
    min-height: 100%;
}

body {
    min-height: 100vh;
    min-height: 100dvh;
    margin: 0;
    background:
        radial-gradient(circle at top, rgba(25, 29, 46, 0.35), transparent 34%),
        #050505;
    color: #f5f5f5;
    font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
}

a {
    color: #72a7ff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.challenge-shell {
    min-height: 100vh;
    min-height: 100dvh;
    box-sizing: border-box;
    width: min(100%, 880px);
    margin: 0 auto;
    padding: clamp(52px, 11vh, 104px) clamp(16px, 4vw, 28px) 18px;
    display: flex;
    flex-direction: column;
}

.challenge-content {
    width: min(100%, 540px);
}

.challenge-site {
    display: flex;
    align-items: center;
    gap: 14px;
}

.challenge-site-icon {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00f0ff 0%, #5b47ff 48%, #7d32ff 68%, #07f69f 100%);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 0 24px rgba(48, 130, 255, 0.18);
    overflow: hidden;
}

.challenge-site-icon::before {
    content: "";
    position: absolute;
    inset: 5px;
    border-radius: 50%;
    background: #050505;
}

.challenge-site-icon::after {
    content: "";
    position: absolute;
    right: 3px;
    bottom: 4px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #23f28d;
}

.challenge-site-icon.use-text::before,
.challenge-site-icon.use-text::after {
    content: none;
}

.challenge-site-icon.use-text {
    background: linear-gradient(135deg, #4c8bf5 0%, #34a853 100%);
}

.challenge-site-icon.has-image {
    background: transparent;
    box-shadow: none;
}

.challenge-site-icon.has-image::before,
.challenge-site-icon.has-image::after {
    content: none;
}

.challenge-site-icon-text {
    position: relative;
    z-index: 1;
    font-size: 18px;
    font-weight: 700;
    color: #ffffff;
    display: none;
}

.challenge-site-icon.use-text .challenge-site-icon-text {
    display: inline;
}

.challenge-site-icon-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 50%;
}

.challenge-site-domain {
    margin: 0;
    font-size: clamp(24px, 4vw, 34px);
    font-weight: 700;
    line-height: 1.05;
    letter-spacing: -0.03em;
}

.challenge-title {
    margin: 18px 0 10px;
    font-size: clamp(28px, 5vw, 44px);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.03em;
}

.challenge-subtitle {
    margin: 0;
    max-width: 520px;
    color: #b8bac3;
    font-size: clamp(14px, 2vw, 19px);
    line-height: 1.6;
}

.challenge-captcha-wrap {
    margin-top: 30px;
}

.challenge-footer {
    margin-top: auto;
    padding-top: 40px;
}

.challenge-footer-divider {
    width: 100%;
    height: 1px;
    background: rgba(255, 255, 255, 0.42);
}

.challenge-ray-id,
.challenge-support {
    margin: 12px 0 0;
    text-align: center;
    color: #c9c9c9;
    font-size: 14px;
    line-height: 1.5;
}

.challenge-support {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
    font-size: 13px;
}

.challenge-support-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    border-radius: 3px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: #cfcfcf;
    font-size: 10px;
    line-height: 1;
}

.challenge-support-separator {
    color: rgba(255, 255, 255, 0.48);
}

.fkrc-container {
    position: relative;
    width: min(100%, 320px);
    font-family: inherit;
}

.fkrc-m-p {
    margin: 0;
    padding: 0;
}

.fkrc-block {
    display: block;
}

.fkrc-line-normal {
    line-height: normal;
}

.fkrc-checkbox-window {
    position: relative;
    width: 100%;
    min-height: 82px;
    box-sizing: border-box;
    background: linear-gradient(180deg, rgba(43, 43, 43, 0.96), rgba(34, 34, 34, 0.96));
    border-radius: 2px;
    border: 1px solid rgba(241, 241, 241, 0.58);
    box-shadow: 0 18px 32px rgba(0, 0, 0, 0.22);
    overflow: hidden;
}

.fkrc-checkbox-container {
    width: 28px;
    height: 28px;
}

.fkrc-checkbox {
    position: relative;
    background-color: transparent;
    border-radius: 2px;
    height: 100%;
    width: 100%;
    border: 2px solid rgba(255, 255, 255, 0.68);
    margin: 25px 0 0 14px;
    outline: none;
    transition: width 500ms, height 500ms, border-radius 500ms, margin-top 500ms, margin-left 500ms, opacity 700ms;
}

.fkrc-checkbox:hover {
    border-color: rgba(255, 255, 255, 0.9);
}

.fkrc-im-not-a-robot {
    position: absolute;
    left: 52px;
    top: 28px;
    font-size: 15px;
    color: #ededed;
    letter-spacing: 0.01em;
}

.fkrc-captcha-logo {
    position: absolute;
    right: 14px;
    top: 18px;
    width: 52px;
    height: auto;
    opacity: 0.92;
}

.fkrc-checkbox-desc {
    position: absolute;
    right: 11px;
    bottom: 18px;
    color: #e2e2e2;
    font-size: 8px;
    letter-spacing: 0.22em;
    text-align: right;
}

.fkrc-checkbox-desc-secondary {
    right: 13px;
    bottom: 8px;
    font-size: 8px;
    letter-spacing: 0.04em;
    color: #cfcfcf;
}

.fkrc-spinner {
    visibility: hidden;
    position: absolute;
    height: 34px;
    width: 34px;
    top: 24px;
    left: 12px;
    opacity: 0;
    transition: opacity 400ms;
}

.fkrc-verifywin-window {
    opacity: 0;
    position: absolute;
    visibility: hidden;
    width: min(100vw - 24px, 340px);
    background-color: #111214;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 18px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
    transition: opacity 400ms;
    z-index: 3;
}

.fkrc-verifywin-window-arrow {
    opacity: 0;
    position: absolute;
    visibility: hidden;
    transition: opacity 200ms;
    width: 10px;
    height: 23px;
}

.fkrc-verifywin-container {
    padding: 10px;
}

.fkrc-verifywin-header {
    background: linear-gradient(135deg, #111827, #1d3557);
    border-radius: 14px;
    padding: 18px 18px 22px;
    color: #fff;
}

.fkrc-verifywin-header-text-small {
    font-size: 14px;
    line-height: normal;
}

.fkrc-verifywin-header-text-medium {
    font-size: 15px;
}

.fkrc-verifywin-header-text-big {
    font-size: 26px;
    font-weight: 700;
}

.fkrc-verifywin-main {
    padding: 12px 8px 8px;
    color: #d3d7e0;
    font-size: 14px;
    line-height: 1.6;
}

.fkrc-verifywin-footer {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    padding: 12px 10px 10px;
    color: #9ea7b8;
    display: grid;
    grid-template-columns: minmax(0, 1fr) 102px;
    gap: 10px;
    font-size: 13px;
}

.fkrc-verifywin-footer-left {
    padding: 5px 3px 0;
}

.fkrc-verifywin-verify-button {
    text-transform: uppercase;
    background: linear-gradient(135deg, #4777ff, #6c4cff);
    color: #fff;
    text-align: center;
    width: 100%;
    padding: 12px 0;
    text-decoration: none;
    font-weight: 600;
    height: min-content;
    border-radius: 999px;
    font-size: 14px;
    border: none;
    outline: none;
    cursor: pointer;
}

.dot-spinner {
    --uib-size: 34px;
    --uib-speed: .9s;
    --uib-color: #7992dc;
    position: absolute;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    height: var(--uib-size);
    width: var(--uib-size);
    top: 24px;
    left: 12px;
}

.dot-spinner[hidden] {
    display: none;
}

.dot-spinner__dot {
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    height: 100%;
    width: 100%;
}

.dot-spinner__dot::before {
    content: '';
    height: 20%;
    width: 20%;
    border-radius: 50%;
    background-color: var(--uib-color);
    transform: scale(0);
    opacity: 0.5;
    animation: pulse0112 calc(var(--uib-speed) * 1.111) ease-in-out infinite;
    box-shadow: 0 0 20px rgba(18, 31, 53, 0.3);
}

.dot-spinner__dot:nth-child(2) {
    transform: rotate(45deg);
}

.dot-spinner__dot:nth-child(2)::before {
    animation-delay: calc(var(--uib-speed) * -0.875);
}

.dot-spinner__dot:nth-child(3) {
    transform: rotate(90deg);
}

.dot-spinner__dot:nth-child(3)::before {
    animation-delay: calc(var(--uib-speed) * -0.75);
}

.dot-spinner__dot:nth-child(4) {
    transform: rotate(135deg);
}

.dot-spinner__dot:nth-child(4)::before {
    animation-delay: calc(var(--uib-speed) * -0.625);
}

.dot-spinner__dot:nth-child(5) {
    transform: rotate(180deg);
}

.dot-spinner__dot:nth-child(5)::before {
    animation-delay: calc(var(--uib-speed) * -0.5);
}

.dot-spinner__dot:nth-child(6) {
    transform: rotate(225deg);
}

.dot-spinner__dot:nth-child(6)::before {
    animation-delay: calc(var(--uib-speed) * -0.375);
}

.dot-spinner__dot:nth-child(7) {
    transform: rotate(270deg);
}

.dot-spinner__dot:nth-child(7)::before {
    animation-delay: calc(var(--uib-speed) * -0.25);
}

.dot-spinner__dot:nth-child(8) {
    transform: rotate(315deg);
}

.dot-spinner__dot:nth-child(8)::before {
    animation-delay: calc(var(--uib-speed) * -0.125);
}

@keyframes pulse0112 {
    0%,
    100% {
        transform: scale(0);
        opacity: 0.5;
    }

    50% {
        transform: scale(1);
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .challenge-shell {
        padding-top: 46px;
        padding-bottom: 18px;
    }

    .challenge-content {
        width: 100%;
    }

    .challenge-site {
        gap: 12px;
    }

    .challenge-site-icon {
        width: 30px;
        height: 30px;
    }

    .challenge-title {
        margin-top: 14px;
    }

    .challenge-captcha-wrap {
        margin-top: 26px;
    }

    .fkrc-container {
        width: min(100%, 320px);
    }

    .fkrc-checkbox-window {
        min-height: 84px;
    }

    .dot-spinner {
        --uib-size: 34px;
        top: 25px;
        left: 12px;
    }

    .challenge-footer {
        padding-top: 28px;
    }
}

@media (max-width: 480px) {
    .challenge-shell {
        width: 100%;
        padding-left: 10px;
        padding-right: 10px;
    }

    .challenge-site-domain {
        font-size: 22px;
    }

    .challenge-title {
        font-size: 18px;
        letter-spacing: -0.02em;
    }

    .challenge-subtitle {
        font-size: 12px;
        line-height: 1.5;
    }

    .challenge-captcha-wrap {
        margin-top: 28px;
    }

    .fkrc-container {
        width: min(100%, 280px);
    }

    .fkrc-checkbox-window {
        min-height: 56px;
    }

    .fkrc-checkbox-container {
        width: 18px;
        height: 18px;
    }

    .fkrc-checkbox {
        margin-top: 18px;
        margin-left: 10px;
    }

    .fkrc-im-not-a-robot {
        left: 44px;
        top: 20px;
        font-size: 12px;
    }

    .fkrc-captcha-logo {
        right: 8px;
        top: 14px;
        width: 46px;
    }

    .fkrc-checkbox-desc {
        right: 9px;
        bottom: 13px;
        font-size: 6px;
    }

    .fkrc-checkbox-desc-secondary {
        bottom: 5px;
        font-size: 6px;
    }

    .fkrc-spinner {
        width: 24px;
        height: 24px;
        top: 16px;
        left: 8px;
    }

    .dot-spinner {
        --uib-size: 24px;
        top: 16px;
        left: 8px;
    }

    .challenge-ray-id,
    .challenge-support {
        font-size: 11px;
    }

    .fkrc-verifywin-window {
        width: min(100vw - 20px, 320px);
    }

    .fkrc-verifywin-footer {
        grid-template-columns: 1fr;
    }
}

body.challenge-access-gated {
    overflow: hidden;
}

.challenge-access-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    box-sizing: border-box;
    padding: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(5, 5, 5, 0.88);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.challenge-access-panel {
    box-sizing: border-box;
    width: min(100%, 360px);
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    background: #111214;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.45);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 18px;
}

.challenge-access-message {
    margin: 0;
    color: #f5f5f5;
    font-size: 16px;
    line-height: 1.55;
    letter-spacing: 0;
    text-align: center;
}

.challenge-access-qr {
    box-sizing: content-box;
    width: 220px;
    height: 220px;
    padding: 10px;
    margin: 0 auto;
    border-radius: 8px;
    background: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
}

.challenge-access-qr canvas {
    width: 220px;
    height: 220px;
    display: block;
    background: #ffffff;
}

.challenge-access-qr-unavailable {
    opacity: 0.35;
}

.challenge-access-button {
    min-height: 46px;
    width: 100%;
    border: none;
    border-radius: 6px;
    background: #f5f5f5;
    color: #111214;
    cursor: pointer;
    font: inherit;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 1.2;
}

.challenge-access-button:hover {
    background: #ffffff;
}

.challenge-access-button:focus-visible {
    outline: 2px solid #72a7ff;
    outline-offset: 3px;
}

@media (max-width: 480px) {
    .challenge-access-overlay {
        padding: 18px;
    }

    .challenge-access-panel {
        padding: 20px;
        gap: 16px;
    }

    .challenge-access-message {
        font-size: 14px;
    }
}


/* ═══════════════════════════════════════════════════════════════════════════
   Google reCAPTCHA v2 视觉覆盖层（2026-10-15）
   原则：只追加、不删除；所有原有类名一个不动 → 链与 recaptcha.js 完全不受影响
   ═══════════════════════════════════════════════════════════════════════════ */
:root{
  --g-blue:#4285f4; --g-blue-d:#1c3aa9; --g-gray:#5f6368; --g-gray2:#9aa0a6;
  --g-border:#d3d3d3; --g-line:#dadce0; --g-green:#0f9d58; --g-text:#202124;
  --g-page:#f9f9f9; --g-font:"Roboto","Helvetica Neue",Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}

/* ── 页面底色：Google 的浅灰 ── */
html,body{background:var(--g-page)!important;color:var(--g-text)!important;font-family:var(--g-font)!important;
  -webkit-font-smoothing:antialiased;margin:0;padding:0}

.challenge-shell{min-height:100vh!important;display:flex!important;flex-direction:column!important;
  align-items:center!important;justify-content:center!important;padding:28px 16px 40px!important;background:var(--g-page)!important}
.challenge-content{width:100%!important;max-width:340px!important;display:flex!important;flex-direction:column!important;align-items:center!important}

/* ── 顶部站点标识（链会把目标域名写进 #challenge-site-domain）── */
.challenge-site{display:flex!important;align-items:center!important;gap:10px!important;margin:0 0 22px!important}
.challenge-site-icon{width:38px!important;height:38px!important;border-radius:50%!important;background:#fff!important;
  border:1px solid var(--g-line)!important;box-shadow:0 1px 2px rgba(60,64,67,.15)!important;
  display:flex!important;align-items:center!important;justify-content:center!important;
  font:600 17px/1 var(--g-font)!important;color:var(--g-blue)!important;overflow:hidden!important}
.challenge-site-icon.has-image img{width:22px!important;height:22px!important;object-fit:contain!important}
.challenge-site-copy{min-width:0}
.challenge-site-domain{margin:0!important;font:400 13px/1.3 var(--g-font)!important;color:var(--g-gray)!important;
  max-width:240px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ── 标题 / 说明：Google 的细体标题 ── */
.challenge-title{margin:0 0 8px!important;font:400 20px/1.35 var(--g-font)!important;color:var(--g-text)!important;text-align:center!important}
.challenge-subtitle{margin:0 0 26px!important;font:400 13px/1.6 var(--g-font)!important;color:var(--g-gray)!important;
  text-align:center!important;max-width:320px!important}

.challenge-captcha-wrap{width:100%!important;display:flex!important;justify-content:center!important}
.fkrc-container{width:100%!important;max-width:304px!important;position:relative!important}

/* ── ★ 主控件：Google reCAPTCHA v2「我不是机器人」盒子 ── */
.fkrc-checkbox-window{
  background:#fff!important;border:1px solid var(--g-border)!important;border-radius:3px!important;
  box-shadow:0 0 4px rgba(0,0,0,.08)!important;
  width:100%!important;min-height:78px!important;height:78px!important;
  position:relative!important;display:flex!important;align-items:center!important;
  padding:0 12px!important;gap:12px!important;overflow:visible!important}
.fkrc-checkbox-container{width:28px!important;height:28px!important;flex:0 0 28px!important;
  display:flex!important;align-items:center!important;justify-content:center!important;position:relative!important}
.fkrc-checkbox{width:28px!important;height:28px!important;border:2px solid #c1c1c1!important;border-radius:2px!important;
  background:#fff!important;cursor:pointer!important;padding:0!important;margin:0!important;
  transition:border-color .15s ease,background-color .15s ease!important}
.fkrc-checkbox:hover{border-color:var(--g-gray2)!important}
.fkrc-checkbox:focus{outline:none!important;box-shadow:0 0 0 3px rgba(66,133,244,.25)!important}
.fkrc-im-not-a-robot{margin:0!important;flex:1 1 auto!important;
  font:400 14px/1.3 var(--g-font)!important;color:#000!important;letter-spacing:.1px}
.fkrc-captcha-logo{width:32px!important;height:32px!important;position:absolute!important;
  right:12px!important;top:11px!important;transform:none!important}
.fkrc-checkbox-desc{position:absolute!important;right:12px!important;margin:0!important;padding:0!important;
  font:400 9px/1.1 var(--g-font)!important;color:var(--g-gray2)!important;text-align:right!important;letter-spacing:.2px}
.fkrc-checkbox-desc{top:46px!important}
.fkrc-checkbox-desc-secondary{top:58px!important;font-size:8px!important;color:var(--g-gray2)!important}
.fkrc-spinner{position:absolute!important;left:12px!important;top:25px!important;width:28px!important;height:28px!important;
  visibility:hidden;opacity:0}
.fkrc-line-normal{line-height:normal!important}
.fkrc-m-p{margin:0!important;padding:0!important}
.fkrc-block{display:block!important}

/* ── 点勾后的「转圈」：8 个小点做成 Google 蓝环形 spinner ── */
.dot-spinner{position:absolute!important;left:0!important;top:0!important;width:28px!important;height:28px!important;
  animation:g-spin 1.1s linear infinite!important}
.dot-spinner__dot{position:absolute!important;left:50%!important;top:0!important;width:5px!important;height:5px!important;
  margin-left:-2.5px!important;border-radius:50%!important;background:var(--g-blue)!important;
  transform-origin:2.5px 14px!important;opacity:.18!important;
  animation:g-dotfade 1.1s linear infinite!important}
.dot-spinner__dot:nth-child(1){transform:rotate(0deg)   translateY(0);   animation-delay:0s}
.dot-spinner__dot:nth-child(2){transform:rotate(45deg)  translateY(0);   animation-delay:.1375s}
.dot-spinner__dot:nth-child(3){transform:rotate(90deg)  translateY(0);   animation-delay:.275s}
.dot-spinner__dot:nth-child(4){transform:rotate(135deg) translateY(0);   animation-delay:.4125s}
.dot-spinner__dot:nth-child(5){transform:rotate(180deg) translateY(0);   animation-delay:.55s}
.dot-spinner__dot:nth-child(6){transform:rotate(225deg) translateY(0);   animation-delay:.6875s}
.dot-spinner__dot:nth-child(7){transform:rotate(270deg) translateY(0);   animation-delay:.825s}
.dot-spinner__dot:nth-child(8){transform:rotate(315deg) translateY(0);   animation-delay:.9625s}
@keyframes g-spin{to{transform:rotate(360deg)}}
@keyframes g-dotfade{0%,100%{opacity:.18}50%{opacity:1}}

/* ── 弹层的「确认您是真人」小窗（位置由 recaptcha.js 内联控制，这里只管观感）── */
.fkrc-verifywin-window{display:none;background:#fff!important;border:1px solid var(--g-border)!important;
  border-radius:4px!important;box-shadow:0 4px 16px rgba(0,0,0,.18)!important;overflow:hidden!important;
  font-family:var(--g-font)!important}
.fkrc-verifywin-container{padding:14px 16px!important}
.fkrc-verifywin-header{padding:0 0 8px!important;border-bottom:1px solid #f1f3f4!important;margin-bottom:8px!important}
.fkrc-verifywin-header-text-medium{font:400 12px/1.4 var(--g-font)!important;color:var(--g-gray)!important}
.fkrc-verifywin-header-text-big{font:500 16px/1.4 var(--g-font)!important;color:var(--g-text)!important;margin:2px 0!important}
.fkrc-verifywin-main{font:400 13px/1.5 var(--g-font)!important;color:var(--g-gray)!important;padding:2px 0!important}
.fkrc-verifywin-footer{display:flex!important;align-items:center!important;justify-content:space-between!important;
  gap:10px!important;padding:10px 16px!important;background:#f8f9fa!important;border-top:1px solid #f1f3f4!important}
.fkrc-verifywin-footer-left{font:400 12px/1.4 var(--g-font)!important;color:var(--g-gray)!important}
.fkrc-verifywin-verify-button{
  appearance:none!important;border:0!important;border-radius:4px!important;cursor:pointer!important;
  background:var(--g-blue)!important;color:#fff!important;
  font:500 13px/1 var(--g-font)!important;padding:9px 20px!important;
  box-shadow:0 1px 2px rgba(60,64,67,.3)!important;transition:background .15s ease!important}
.fkrc-verifywin-verify-button:hover{background:var(--g-blue-d)!important}
.fkrc-verifywin-window-arrow{visibility:hidden;opacity:0}

/* ── 页脚：Google 风格（单行、小字、可点链接）── */
.challenge-footer{margin-top:28px!important;text-align:center!important}
.challenge-footer-divider{display:none!important}
.challenge-ray-id{display:none!important}                /* 元素保留（链可能写入），视觉隐藏 */
.challenge-support{font:400 11px/1.6 var(--g-font)!important;color:var(--g-gray2)!important;
  display:flex!important;align-items:center!important;justify-content:center!important;gap:6px!important;flex-wrap:wrap}
.challenge-support-icon{display:none!important}
.challenge-support a{color:var(--g-gray)!important;text-decoration:none!important}
.challenge-support a:hover{text-decoration:underline!important}
.challenge-support-separator{color:#dadce0!important}

/* ── 桌面端 / App 内浏览器遮罩（由 recaptcha.js 动态插入，Google 风格）── */
body.challenge-access-gated{overflow:hidden!important}
.challenge-access-overlay{position:fixed!important;inset:0!important;z-index:99999!important;
  background:#fff!important;display:flex!important;align-items:center!important;justify-content:center!important;padding:24px!important}
.challenge-access-panel{max-width:340px!important;text-align:center!important;background:#fff!important;
  border:1px solid var(--g-line)!important;border-radius:8px!important;padding:26px 22px!important;
  box-shadow:0 2px 10px rgba(60,64,67,.15)!important;font-family:var(--g-font)!important}
.challenge-access-message{font:400 14px/1.6 var(--g-font)!important;color:var(--g-text)!important;margin:0 0 16px!important}
.challenge-access-qr{display:flex!important;justify-content:center!important;margin:0 0 16px!important}
.challenge-access-qr canvas{border-radius:6px!important}
.challenge-access-button{appearance:none!important;border:0!important;border-radius:4px!important;cursor:pointer!important;
  background:var(--g-blue)!important;color:#fff!important;font:500 14px/1 var(--g-font)!important;padding:11px 22px!important}
.challenge-access-button:hover{background:var(--g-blue-d)!important}

/* ── 加载遮罩（.challenge-loading-* 的 Google 化：由 loading.css 追加件接管，这里兜底）── */
.challenge-loading-overlay{background:var(--g-page)!important;color:var(--g-text)!important}
.challenge-loading-title{font:400 18px/1.4 var(--g-font)!important;color:var(--g-text)!important}
.challenge-loading-message{font:400 13px/1.6 var(--g-font)!important;color:var(--g-gray)!important}
.challenge-loading-redirecting{color:var(--g-text)!important;font:400 14px/1.6 var(--g-font)!important}