:root {
    color-scheme: dark;
    --bg: #07131f;
    --bg-soft: #0d1d2b;
    --panel: rgba(13, 29, 43, 0.82);
    --panel-strong: rgba(20, 42, 60, 0.92);
    --line: rgba(180, 218, 255, 0.16);
    --text: #f2f7fb;
    --muted: #aab9c8;
    --muted-strong: #c7d3df;
    --accent: #7dd3fc;
    --accent-strong: #38bdf8;
    --accent-soft: rgba(125, 211, 252, 0.13);
    --danger-soft: rgba(248, 113, 113, 0.12);
    --shadow: 0 24px 80px rgba(0, 0, 0, 0.36);
    --radius-lg: 32px;
    --radius-md: 22px;
    --radius-sm: 14px;
    --content: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    min-width: 320px;
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, "Noto Sans", sans-serif;
    font-size: 17px;
    line-height: 1.65;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(56, 189, 248, 0.24), transparent 30rem),
        radial-gradient(circle at top right, rgba(14, 165, 233, 0.16), transparent 26rem),
        linear-gradient(135deg, #06111c 0%, #07131f 50%, #0b1624 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: linear-gradient(to bottom, rgba(0,0,0,0.8), transparent 80%);
}

a { color: inherit; }

a:hover { color: var(--accent); }

a:focus-visible,
.button:focus-visible {
    outline: 3px solid rgba(125, 211, 252, 0.8);
    outline-offset: 4px;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: 1rem;
    z-index: 10;
    transform: translateY(-160%);
    padding: .75rem 1rem;
    border-radius: 999px;
    background: var(--text);
    color: var(--bg);
    font-weight: 700;
    text-decoration: none;
}

.skip-link:focus { transform: translateY(0); }

.page-shell {
    width: min(100% - 32px, var(--content));
    margin: 0 auto;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 24px 0 14px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: .08em;
    text-decoration: none;
}

.brand img {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    box-shadow: 0 16px 38px rgba(0,0,0,.28);
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 10px;
    color: var(--muted-strong);
    font-size: 14px;
}

.main-nav > a,
.language-switcher a {
    display: inline-flex;
    align-items: center;
    min-height: 38px;
    padding: 8px 12px;
    border: 1px solid transparent;
    border-radius: 999px;
    text-decoration: none;
}

.main-nav > a:hover,
.language-switcher a:hover,
.language-switcher a.is-active {
    border-color: var(--line);
    background: rgba(255, 255, 255, .055);
    color: var(--text);
}

.language-switcher {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 4px;
}

.nav-separator {
    width: 1px;
    height: 22px;
    background: var(--line);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, .65fr);
    gap: 28px;
    align-items: stretch;
    padding: clamp(42px, 8vw, 92px) 0 clamp(26px, 5vw, 56px);
}

.hero-content,
.hero-panel,
.notice,
.review-card,
.site-footer {
    border: 1px solid var(--line);
    background: linear-gradient(145deg, rgba(13, 29, 43, .88), rgba(9, 21, 34, .76));
    box-shadow: var(--shadow);
    backdrop-filter: blur(18px);
}

.hero-content {
    position: relative;
    overflow: hidden;
    padding: clamp(28px, 5vw, 58px);
    border-radius: var(--radius-lg);
}

.hero-content::after {
    content: "";
    position: absolute;
    right: -12%;
    top: -24%;
    width: 320px;
    height: 320px;
    border-radius: 999px;
    background: radial-gradient(circle, rgba(125, 211, 252, .22), transparent 68%);
}

.eyebrow {
    margin: 0 0 12px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}

h1, h2 {
    margin: 0;
    line-height: 1.08;
    letter-spacing: -0.04em;
}

h1 {
    max-width: 820px;
    font-size: clamp(38px, 7vw, 76px);
}

h2 {
    font-size: clamp(28px, 4.8vw, 48px);
}

.hero p,
.section-heading p,
.notice p,
.site-footer p {
    color: var(--muted-strong);
}

.hero-content > p {
    max-width: 780px;
    margin: 24px 0 0;
    font-size: clamp(18px, 2vw, 22px);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 12px 18px;
    border-radius: 999px;
    font-weight: 800;
    text-decoration: none;
}

.button-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #04111d;
}

.button-primary:hover { color: #04111d; filter: brightness(1.05); }

.button-secondary {
    border: 1px solid var(--line);
    background: rgba(255,255,255,.055);
    color: var(--text);
}

.hero-panel {
    display: flex;
    align-items: stretch;
    border-radius: var(--radius-lg);
    padding: 22px;
}

.hero-panel dl {
    display: grid;
    width: 100%;
    gap: 14px;
    margin: 0;
}

.hero-panel div {
    display: flex;
    flex-direction: column-reverse;
    justify-content: center;
    min-height: 112px;
    padding: 20px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,.04);
}

.hero-panel dt {
    color: var(--muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: .12em;
}

.hero-panel dd {
    margin: 0 0 4px;
    font-size: clamp(28px, 4.2vw, 42px);
    font-weight: 900;
    letter-spacing: -.04em;
}

.notice {
    display: grid;
    grid-template-columns: minmax(200px, .45fr) minmax(0, 1fr);
    gap: 24px;
    margin: 0 0 clamp(34px, 6vw, 72px);
    padding: clamp(22px, 4vw, 34px);
    border-radius: var(--radius-md);
    background: linear-gradient(145deg, rgba(125, 211, 252, .12), rgba(13, 29, 43, .72));
}

.notice h2 {
    font-size: clamp(24px, 3vw, 34px);
}

.notice p { margin: 0; }

.reviews-section { padding-bottom: 24px; }

.section-heading {
    display: grid;
    gap: 14px;
    max-width: 880px;
    margin-bottom: 24px;
}

.section-heading p { margin: 0; }

.reviews-list {
    display: grid;
    gap: 18px;
}

.review-card {
    position: relative;
    display: grid;
    grid-template-columns: 76px minmax(0, 1fr);
    gap: 20px;
    padding: clamp(22px, 4vw, 34px);
    border-radius: var(--radius-md);
}

.review-card:nth-child(1) {
    background: linear-gradient(145deg, rgba(125, 211, 252, .14), rgba(13, 29, 43, .88));
}

.review-index {
    display: flex;
    align-items: center;
    justify-content: center;
    align-self: start;
    width: 58px;
    height: 58px;
    border: 1px solid var(--line);
    border-radius: 18px;
    color: var(--accent);
    background: rgba(255,255,255,.045);
    font-size: 14px;
    font-weight: 900;
    letter-spacing: .08em;
}

.review-body {
    min-width: 0;
    color: var(--text);
    font-size: clamp(16px, 1.8vw, 19px);
}

.review-body p,
.review-body br + br {
    margin-top: 0;
}

.review-body p { margin: 0; }

.review-body br { line-height: 1.9; }

.review-footer {
    grid-column: 2;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 12px;
    align-items: center;
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
    color: var(--muted-strong);
    font-size: 14px;
}

.review-author {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.review-author a {
    width: fit-content;
    color: var(--text);
    font-weight: 800;
    text-decoration: none;
}

.review-author span,
.review-date {
    color: var(--muted);
}

.source-button {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 40px;
    padding: 8px 13px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(255,255,255,.045);
    color: var(--text);
    font-weight: 800;
    text-decoration: none;
    white-space: nowrap;
}

.source-button:hover {
    background: var(--accent-soft);
    color: var(--text);
}

.site-footer {
    margin: clamp(32px, 6vw, 72px) 0 32px;
    padding: clamp(22px, 4vw, 34px);
    border-radius: var(--radius-md);
    color: var(--muted-strong);
}

.site-footer p {
    max-width: 960px;
    margin: 0;
}

.site-footer p + p { margin-top: 12px; }

.site-footer a { font-weight: 800; }

@media (max-width: 880px) {
    .site-header {
        align-items: flex-start;
        flex-direction: column;
    }

    .main-nav {
        justify-content: flex-start;
    }

    .hero {
        grid-template-columns: 1fr;
        padding-top: 28px;
    }

    .hero-panel dl {
        grid-template-columns: repeat(3, 1fr);
    }

    .hero-panel div { min-height: 96px; }

    .notice {
        grid-template-columns: 1fr;
    }

    .review-card {
        grid-template-columns: 1fr;
    }

    .review-footer {
        grid-column: 1;
    }
}

@media (max-width: 640px) {
    body { font-size: 16px; }

    .page-shell { width: min(100% - 20px, var(--content)); }

    .site-header { padding-top: 16px; }

    .main-nav,
    .language-switcher {
        width: 100%;
    }

    .main-nav > a,
    .language-switcher a {
        min-height: 36px;
        padding: 7px 10px;
        font-size: 13px;
    }

    .nav-separator { display: none; }

    .hero-content,
    .hero-panel,
    .notice,
    .review-card,
    .site-footer {
        border-radius: 22px;
    }

    .hero-panel dl { grid-template-columns: 1fr; }

    .hero-panel div { min-height: 82px; }

    .review-index {
        width: 52px;
        height: 52px;
    }

    .review-footer {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .source-button { width: 100%; }

    .review-rating { width: 100%; justify-content: center; }

    .site-return-control { right: 14px; bottom: 14px; width: 48px; height: 48px; padding: 0; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}


.review-rating {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 40px;
    padding: 8px 13px;
    border: 1px solid rgba(255, 209, 102, .36);
    border-radius: 999px;
    background: rgba(255, 209, 102, .10);
    color: var(--text);
    font-size: .92rem;
    font-weight: 800;
    white-space: nowrap;
}

.review-rating strong {
    color: #fff1bd;
}

.faq-section {
    margin-top: clamp(34px, 6vw, 78px);
}

.faq-list {
    display: grid;
    gap: 14px;
}

.faq-list details {
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,.045);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.faq-list summary {
    cursor: pointer;
    padding: 18px 20px;
    color: var(--text);
    font-weight: 900;
}

.faq-list details p {
    margin: 0;
    padding: 0 20px 20px;
    color: var(--muted-strong);
}

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), #ffd166);
    box-shadow: 0 0 18px rgba(99, 216, 255, .45);
}

.site-return-control {
    position: fixed;
    right: max(18px, env(safe-area-inset-right));
    bottom: max(18px, env(safe-area-inset-bottom));
    z-index: 90;
    width: 52px;
    height: 52px;
    padding: 0;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    background: rgba(8, 20, 33, .88);
    color: var(--text);
    box-shadow: var(--shadow-card);
    font: inherit;
    font-size: 28px;
    line-height: 1;
    font-weight: 900;
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(12px);
    transition: opacity .2s ease, transform .2s ease, background .2s ease;
    backdrop-filter: blur(14px);
}

.site-return-control.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.site-return-control:hover,
.site-return-control:focus-visible {
    background: rgba(19, 47, 72, .96);
    outline: none;
}


/* Return control v3: clearer shape, neutral semantics for adblock filters */
.site-return-control {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 64px;
    height: 64px;
    padding: 0;
    border: 1px solid rgba(39, 226, 204, 0.35);
    border-radius: 20px;
    background: rgba(8, 19, 34, 0.94);
    color: transparent;
    box-shadow: 0 12px 26px rgba(4, 11, 20, 0.35), inset 0 0 0 1px rgba(39, 226, 204, 0.08);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
    z-index: 120;
}
.site-return-control::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 23px;
    width: 4px;
    height: 22px;
    border-radius: 999px;
    background: currentColor;
    color: #27e2cc;
    transform: translateX(-50%);
}
.site-return-control::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 21px;
    width: 16px;
    height: 16px;
    border-top: 4px solid currentColor;
    border-left: 4px solid currentColor;
    color: #27e2cc;
    transform: translateX(-50%) rotate(45deg);
    border-top-left-radius: 3px;
}
.site-return-control.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.site-return-control:hover,
.site-return-control:focus-visible {
    border-color: rgba(39, 226, 204, 0.62);
    box-shadow: 0 16px 36px rgba(4, 11, 20, 0.42), inset 0 0 0 1px rgba(39, 226, 204, 0.16);
    transform: translateY(-2px);
}
.site-return-control:focus-visible {
    outline: 3px solid rgba(39, 226, 204, 0.28);
    outline-offset: 3px;
}
@media (max-width: 700px) {
    .site-return-control {
        right: 14px;
        bottom: 14px;
        width: 58px;
        height: 58px;
        border-radius: 18px;
    }
    .site-return-control::before {
        top: 21px;
        height: 20px;
    }
    .site-return-control::after {
        top: 18px;
        width: 14px;
        height: 14px;
    }
}