:root {
    --bg: #0f0f0f;
    --bg-top: #11152d;
    --card-bg: rgba(0, 0, 0, 0.9);
    --card-bg-soft: rgba(255, 255, 255, 0.03);
    --card-border: rgba(255, 255, 255, 0.1);
    --card-border-soft: rgba(255, 255, 255, 0.06);
    --text: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.62);
    --text-muted: rgba(255, 255, 255, 0.45);
    --primary: #ffffff;
    --primary-text: oklch(0.145 0 0);
    --signal-blue: #0089ff;
    --ocean-blue: #0096ff;
    --cyan: #00ffff;
    --danger: #ff5d78;
    --danger-bg: rgba(255, 93, 120, 0.08);
    --success: #35d07f;
    --shadow-soft: 0 18px 44px rgba(0, 0, 0, 0.34);
    --shadow-brutal: 4px 4px 0 rgba(0, 0, 0, 0.16);
    --radius-xl: 18px;
    --radius-lg: 16px;
    --radius-md: 14px;
    --container: 810px;
    --font-sans: "abcDiatype", "abcDiatype Fallback", "Segoe UI", "PingFang SC", "Microsoft YaHei", ui-sans-serif, system-ui, sans-serif;
    --font-mono: "JetBrains Mono", "JetBrains Mono Fallback", "SFMono-Regular", Menlo, Monaco, Consolas, monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(circle at 50% 78%, rgba(0, 255, 255, 0.08), transparent 34%),
        radial-gradient(circle at top center, rgba(0, 137, 255, 0.12), transparent 28%),
        linear-gradient(180deg, var(--bg-top) 0%, var(--bg) 16%, var(--bg) 100%);
    color: var(--text);
    font-family: var(--font-sans);
    line-height: 1.6;
}

.background-glow {
    position: fixed;
    inset: auto 0 0;
    height: 40vh;
    background:
        radial-gradient(circle at center, rgba(0, 255, 255, 0.08), transparent 44%),
        radial-gradient(circle at 50% 0, rgba(0, 7, 205, 0.08), transparent 36%);
    pointer-events: none;
    z-index: -1;
}

.page-shell {
    width: min(calc(100% - 40px), var(--container));
    margin: 0 auto;
    padding: 22px 0 56px;
}

.page-header {
    display: flex;
    justify-content: center;
    padding: 6px 0 24px;
}

.logo {
    width: 168px;
    height: auto;
    display: block;
}

.main-layout {
    display: grid;
    gap: 26px;
}

.notice-card,
.description,
.domain-card,
.support-btn,
.modal-content {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.015)),
        var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(12px);
}

.notice-card {
    display: grid;
    gap: 18px;
    padding: 30px 32px;
}

.notice-card p {
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr);
    gap: 16px;
    align-items: start;
    color: var(--text-secondary);
    font-size: 1rem;
}

.notice-card i {
    color: var(--cyan);
    font-size: 1.1rem;
    margin-top: 0.1rem;
}

.official-warning {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px 24px;
    border: 1px solid rgba(255, 93, 120, 0.5);
    border-radius: var(--radius-lg);
    background: var(--danger-bg);
    color: #ffd6de;
}

.official-warning i {
    font-size: 2rem;
    flex-shrink: 0;
    color: var(--danger);
}

.official-warning p {
    font-size: 1rem;
    font-weight: 500;
}

.main-access {
    display: flex;
    justify-content: center;
    padding: 12px 0 2px;
}

#btn-main-access {
    min-width: min(100%, 290px);
    min-height: 74px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 18px 34px;
    border: 1px solid var(--ocean-blue);
    border-radius: 999px;
    background:
        linear-gradient(135deg, rgba(0, 255, 255, 0.12), rgba(0, 137, 255, 0.08)),
        var(--primary);
    color: var(--primary-text);
    cursor: pointer;
    font-size: 1.05rem;
    font-weight: 700;
    box-shadow: var(--shadow-brutal), 0 16px 32px rgba(0, 137, 255, 0.18);
    transition: transform 180ms ease, box-shadow 180ms ease, opacity 180ms ease;
}

#btn-main-access:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.18), 0 18px 38px rgba(0, 137, 255, 0.22);
}

#btn-main-access:disabled {
    cursor: wait;
    opacity: 0.88;
}

.loader {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(15, 15, 15, 0.24);
    border-top-color: rgba(15, 15, 15, 0.9);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.section-block {
    display: grid;
    gap: 16px;
}

.section-title {
    color: var(--text);
    font-size: 1.1rem;
    font-weight: 500;
    line-height: 1.3;
}

.section-divider {
    height: 1px;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.05));
}

.description {
    padding: 18px 22px;
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.7;
    border-left: 3px solid rgba(0, 255, 255, 0.38);
}

.description strong {
    color: var(--text);
    font-weight: 500;
}

.fallback-description {
    border-left-color: rgba(255, 93, 120, 0.45);
}

.domain-list {
    display: grid;
    gap: 16px;
}

.domain-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 20px 22px;
}

.domain-info {
    display: flex;
    align-items: center;
    gap: 16px;
    min-width: 0;
}

.status-dot {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 0 5px rgba(255, 255, 255, 0.04);
}

.status-dot.ok {
    background: var(--success);
    box-shadow: 0 0 0 5px rgba(53, 208, 127, 0.1);
}

.status-dot.error {
    background: var(--danger);
    box-shadow: 0 0 0 5px rgba(255, 93, 120, 0.1);
}

.domain-name {
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.98rem;
    font-weight: 600;
}

.status-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.domain-actions {
    flex-shrink: 0;
}

.btn {
    min-width: 76px;
    min-height: 44px;
    padding: 10px 20px;
    border: 1px solid var(--signal-blue);
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.02);
    color: var(--text);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: border-color 180ms ease, background-color 180ms ease, transform 180ms ease;
}

.btn:hover {
    border-color: var(--ocean-blue);
    background: rgba(0, 255, 255, 0.1);
    transform: translateY(-1px);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.support-btn {
    min-height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 16px 20px;
    color: var(--text);
    text-decoration: none;
    font-size: 0.98rem;
    font-weight: 500;
    transition: transform 180ms ease, border-color 180ms ease, background-color 180ms ease;
}

.support-btn:hover {
    transform: translateY(-1px);
    border-color: rgba(255, 255, 255, 0.16);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.045), rgba(255, 255, 255, 0.02)),
        rgba(0, 0, 0, 0.96);
}

.support-btn i {
    color: var(--cyan);
    font-size: 1.35rem;
}

.footer {
    margin-top: 48px;
    padding-top: 36px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 180ms ease, visibility 180ms ease;
    z-index: 10;
}

.modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    width: min(100%, 400px);
    padding: 28px;
    text-align: center;
    transform: translateY(8px);
    transition: transform 180ms ease;
}

.modal-overlay.show .modal-content {
    transform: translateY(0);
}

.modal-content .eyebrow {
    display: inline-block;
    color: var(--cyan);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 8px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.modal-content h2 {
    margin-bottom: 12px;
    color: var(--text);
    font-size: 1.4rem;
    font-weight: 400;
}

.modal-content p {
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.7;
}

#close-modal-btn {
    width: 100%;
    min-height: 48px;
    margin-top: 22px;
    border: none;
    border-radius: 14px;
    background: #ffffff;
    color: var(--primary-text);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    box-shadow: var(--shadow-brutal);
}

[hidden] {
    display: none !important;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@media (max-width: 767px) {
    .page-shell {
        width: min(calc(100% - 24px), var(--container));
        padding-top: 16px;
    }

    .logo {
        width: 156px;
    }

    .main-layout {
        gap: 20px;
    }

    .notice-card,
    .description,
    .domain-card,
    .support-btn,
    .modal-content {
        border-radius: 16px;
    }

    .notice-card {
        padding: 22px 20px;
    }

    .notice-card p {
        grid-template-columns: 20px minmax(0, 1fr);
        gap: 12px;
        font-size: 0.96rem;
    }

    .official-warning {
        align-items: flex-start;
        padding: 18px;
    }

    .official-warning i {
        font-size: 1.65rem;
    }

    #btn-main-access {
        width: 100%;
        min-height: 64px;
        font-size: 1rem;
    }

    .domain-card {
        flex-direction: column;
        align-items: flex-start;
    }

    .domain-info {
        flex-wrap: wrap;
        gap: 10px 14px;
    }

    .domain-actions {
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .support-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}