/* ═══════════════════════════════════════
   资质证书页 · page-certificates
   ═══════════════════════════════════════ */

html.lenis,
html.lenis body {
    height: auto;
}

html.lenis.lenis-smooth {
    scroll-behavior: auto !important;
}

html.lenis.lenis-smooth [data-lenis-prevent] {
    overscroll-behavior: contain;
}

html.lenis.lenis-stopped {
    overflow: hidden;
}

html.lenis.lenis-scrolling iframe {
    pointer-events: none;
}

.page-certificates {
    --cert-surface: #f7fbfb;
    --cert-line: #e8ecef;
    --cert-muted: #64748b;
    --cert-subtle: #f8fafb;
}

.page-certificates .cert-main {
    overflow: visible;
}

/* ── Hero ── */

.cert-hero {
    position: relative;
    overflow: hidden;
    min-height: clamp(20rem, 48vh, 28rem);
    padding: calc(var(--header-height) + 3rem) 1rem 3.5rem;
    display: flex;
    align-items: center;
    background: linear-gradient(180deg, var(--cert-surface) 0%, #fff 78%);
    text-align: center;
}

.cert-hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(17, 214, 187, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(17, 214, 187, 0.05) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 70% at 50% 40%, #000 20%, transparent 75%);
    pointer-events: none;
}

.cert-hero__glow {
    position: absolute;
    width: min(72vw, 620px);
    height: min(72vw, 620px);
    top: 38%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle, var(--primary-color) 0%, transparent 68%);
    opacity: 0.12;
    filter: blur(52px);
    pointer-events: none;
    will-change: transform;
}

.cert-hero__inner {
    position: relative;
    width: 100%;
    max-width: 40rem;
    margin: 0 auto;
}

.cert-hero__label {
    margin: 0 0 1rem;
    font-size: 0.6875rem;
    letter-spacing: 0.32em;
    color: var(--primary-color);
    font-weight: 600;
}

.cert-hero__title {
    margin: 0 0 1rem;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    color: var(--text-color);
}

.cert-hero__title em {
    font-style: normal;
    color: var(--primary-color);
}

.cert-hero__rule {
    width: 3rem;
    height: 2px;
    margin: 0 auto 1.25rem;
    border-radius: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
    transform-origin: center;
}

.cert-hero__desc {
    margin: 0;
    max-width: 34rem;
    margin-left: auto;
    margin-right: auto;
    font-size: 1.0625rem;
    line-height: 1.75;
    color: var(--cert-muted);
}

/* ── Section ── */

.cert-section {
    padding: clamp(3rem, 6vw, 4.5rem) 1rem;
    background: #fff;
}

.cert-section__head {
    max-width: 36rem;
    margin: 0 auto 2.5rem;
    text-align: center;
}

.cert-section__label {
    margin: 0 0 0.5rem;
    font-size: 0.6875rem;
    letter-spacing: 0.24em;
    font-weight: 600;
    color: var(--primary-color);
}

.cert-section__title {
    margin: 0 0 0.75rem;
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-color);
}

.cert-section__rule {
    width: 2.5rem;
    height: 2px;
    margin: 0 auto 0.875rem;
    border-radius: 2px;
    background: var(--primary-color);
    transform-origin: center;
}

.cert-section__desc {
    margin: 0;
    font-size: 0.9375rem;
    line-height: 1.75;
    color: var(--cert-muted);
}

/* ── Certificate cards ── */

.cert-list {
    position: relative;
    isolation: isolate;
    display: flex;
    flex-direction: column;
    gap: 1.125rem;
}

.cert-list__spotlight {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
    border-radius: 18px;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transform-origin: left top;
    background: linear-gradient(155deg, #fff 0%, rgba(17, 214, 187, 0.11) 100%);
    border: 1px solid rgba(17, 214, 187, 0.42);
    box-shadow: none;
    overflow: hidden;
    will-change: transform, width, height;
}

.cert-list__spotlight-glow {
    position: absolute;
    width: 18rem;
    height: 18rem;
    top: -5rem;
    right: -3rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(17, 214, 187, 0.32) 0%, transparent 68%);
    pointer-events: none;
}

.cert-list__spotlight-shine {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        115deg,
        transparent 38%,
        rgba(255, 255, 255, 0.65) 50%,
        transparent 62%
    );
    transform: translateX(-130%);
    pointer-events: none;
}

.cert-list.is-interacting .cert-list__spotlight {
    visibility: visible;
}

.cert-list.is-interacting .cert-card {
    background: rgba(255, 255, 255, 0.45);
    border-color: rgba(232, 236, 239, 0.85);
}

.cert-list.is-interacting .cert-card.is-active {
    background: transparent;
    border-color: transparent;
}

.cert-card {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr;
    border: 1px solid var(--cert-line);
    border-radius: 18px;
    background: #fff;
    overflow: hidden;
    will-change: transform;
}

.cert-list.is-interacting .cert-card {
    transition: border-color 0.35s ease, background 0.35s ease;
}

.cert-card__bg {
    position: absolute;
    width: 14rem;
    height: 14rem;
    top: -4rem;
    right: -3rem;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(17, 214, 187, 0.22) 0%, transparent 68%);
    opacity: 0;
    pointer-events: none;
    z-index: 0;
    transition: opacity 0.45s ease;
}

.cert-card__shine {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: linear-gradient(
        105deg,
        transparent 42%,
        rgba(255, 255, 255, 0.55) 50%,
        transparent 58%
    );
    transform: translateX(-120%);
    pointer-events: none;
}

.cert-list.is-interacting .cert-card__bg {
    opacity: 0;
}

.cert-card.is-dim {
    opacity: 0.72;
}

.cert-card__media {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 13rem;
    padding: 1.5rem;
    background: linear-gradient(180deg, var(--cert-subtle) 0%, #fff 100%);
    border-bottom: 1px solid var(--cert-line);
    cursor: zoom-in;
    transition: background 0.35s ease, border-color 0.35s ease;
}

.cert-list.is-interacting .cert-card.is-active .cert-card__media {
    background: linear-gradient(180deg, rgba(247, 251, 251, 0.6) 0%, rgba(255, 255, 255, 0.4) 100%);
    border-bottom-color: rgba(232, 236, 239, 0.5);
}

.cert-card__media img {
    max-width: 100%;
    max-height: 15rem;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    -webkit-tap-highlight-color: transparent;
}

.cert-card__zoom-hint {
    position: absolute;
    right: 0.875rem;
    bottom: 0.875rem;
    padding: 0.3125rem 0.75rem;
    border-radius: 999px;
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--cert-muted);
    background: rgba(255, 255, 255, 0.94);
    border: 1px solid var(--cert-line);
    pointer-events: none;
}

.cert-card__body {
    position: relative;
    z-index: 1;
    padding: 1.5rem 1.375rem 1.625rem;
}

.cert-card__head {
    display: flex;
    align-items: flex-start;
    gap: clamp(0.875rem, 2vw, 1.25rem);
    margin-bottom: 1.25rem;
}

.cert-card__index {
    flex-shrink: 0;
    font-size: clamp(2.25rem, 5vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1;
    font-variant-numeric: tabular-nums;
    color: rgba(17, 214, 187, 0.88);
}

.cert-card__head-copy {
    flex: 1;
    min-width: 0;
    padding-top: 0.375rem;
}

.cert-card__title {
    margin: 0;
    font-size: clamp(1.0625rem, 2vw, 1.25rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.35;
    color: var(--text-color);
}

.cert-card__subtitle {
    margin: 0.375rem 0 0;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.5;
    color: var(--cert-muted);
}

.cert-card__meta {
    margin: 0 0 1.25rem;
    display: grid;
    gap: 0.625rem;
}

.cert-card__row {
    display: grid;
    grid-template-columns: minmax(4.5rem, auto) 1fr;
    gap: 0.5rem 1rem;
    font-size: 0.875rem;
    line-height: 1.6;
}

.cert-card__row dt {
    margin: 0;
    font-weight: 600;
    color: #334155;
    white-space: nowrap;
}

.cert-card__row dd {
    margin: 0;
    color: #64748b;
    word-break: break-word;
}

.cert-card__verify {
    padding-top: 1.125rem;
    border-top: 1px solid #eef2f6;
}

.cert-card__verify-label {
    margin: 0 0 0.4375rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #94a3b8;
}

.cert-card__link {
    display: inline-block;
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--primary-dark, #0d9a85);
    text-decoration: none;
    transition: color 0.2s ease;
}

.cert-card__link:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

.cert-card__note {
    margin: 0.4375rem 0 0;
    font-size: 0.8125rem;
    line-height: 1.6;
    color: var(--cert-muted);
}

/* ── CTA ── */

.cert-cta {
    width: 100%;
}

.cert-cta__card {
    position: relative;
    width: 100%;
    padding: clamp(3rem, 6vw, 4.5rem) clamp(1.25rem, 4vw, 2rem) clamp(4rem, 8vw, 5rem);
    text-align: center;
    border-top: 1px solid var(--cert-line);
    background: linear-gradient(155deg, #fff 0%, var(--cert-surface) 100%);
    overflow: hidden;
}

.cert-cta__glow {
    position: absolute;
    width: min(28rem, 50vw);
    height: min(28rem, 50vw);
    top: -40%;
    right: -8%;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(17, 214, 187, 0.12) 0%, transparent 68%);
    pointer-events: none;
}

.cert-cta__label {
    position: relative;
    z-index: 1;
    margin: 0 0 0.625rem;
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.22em;
    color: var(--primary-color);
}

.cert-cta__title {
    position: relative;
    z-index: 1;
    margin: 0 0 0.875rem;
    font-size: clamp(1.375rem, 3vw, 1.875rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.3;
    color: var(--text-color);
}

.cert-cta__rule {
    position: relative;
    z-index: 1;
    width: 2.5rem;
    height: 2px;
    margin: 0 auto 1rem;
    border-radius: 2px;
    background: linear-gradient(90deg, transparent, var(--primary-color), transparent);
}

.cert-cta__desc {
    position: relative;
    z-index: 1;
    margin: 0 auto 1.75rem;
    max-width: 28rem;
    font-size: 0.9375rem;
    line-height: 1.75;
    color: var(--cert-muted);
}

.cert-cta__actions {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.cert-cta__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 8.5rem;
    padding: 0.8125rem 1.5rem;
    border-radius: 999px;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
    transition: transform 0.25s ease, border-color 0.25s ease, background 0.25s ease;
}

.cert-cta__btn--primary {
    color: #fff;
    background: var(--primary-color);
    border: 1px solid transparent;
    box-shadow: none;
}

.cert-cta__btn--ghost {
    color: var(--primary-dark, #0d9a85);
    background: #fff;
    border: 1px solid rgba(17, 214, 187, 0.35);
}

@media (hover: hover) and (pointer: fine) {
    .cert-cta__btn--primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 10px 24px rgba(17, 214, 187, 0.22);
    }

    .cert-cta__btn--ghost:hover {
        transform: translateY(-2px);
        border-color: rgba(17, 214, 187, 0.55);
        background: rgba(17, 214, 187, 0.04);
    }
}

.cert-cta__btn:active {
    transform: scale(0.98);
}

body.cert-zoom-open {
    overflow: hidden;
}

/* ── Image zoom ── */

.page-certificates .qr-zoom {
    display: none !important;
    z-index: 10000;
}

.page-certificates .qr-zoom.active {
    display: block !important;
}

.page-certificates .qr-zoom-mask {
    background: rgba(0, 0, 0, 0.6);
}

.page-certificates .qr-zoom img {
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: 1;
    width: auto;
    height: auto;
    max-width: min(92vw, 42rem);
    max-height: 88vh;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.35);
    cursor: zoom-out;
}

@media (min-width: 769px) {
    .cert-card {
        grid-template-columns: minmax(13rem, 16rem) 1fr;
    }

    .cert-card__media {
        min-height: 100%;
        padding: 1.75rem 1.25rem;
        border-bottom: none;
        border-right: 1px solid var(--cert-line);
    }

    .cert-card__media img {
        max-height: 13.5rem;
    }

    .cert-card__body {
        padding: 1.625rem 1.75rem 1.75rem;
    }

    .cert-card__meta {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        column-gap: 1.5rem;
    }

    .cert-list.is-interacting .cert-card.is-active .cert-card__media {
        border-right-color: rgba(232, 236, 239, 0.5);
    }
}

@media (min-width: 992px) {
    .cert-list {
        gap: 1.25rem;
    }

    .cert-card {
        grid-template-columns: minmax(14rem, 17rem) 1fr;
    }

    .cert-card__media img {
        max-height: 14.5rem;
    }
}