.payment-page {
    position: relative;
    overflow-x: clip;
    overflow-y: visible;
    padding: 40px 0 80px;
    background: linear-gradient(180deg, #edf9f7 0%, #f8fbff 100%);
    min-width: 0;
    container-type: inline-size;
}

.payment-page::before {
    content: "";
    position: absolute;
    top: -120px;
    right: -160px;
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, rgba(46, 139, 131, 0.22), transparent 65%);
    pointer-events: none;
}

.payment-page::after {
    content: "";
    position: absolute;
    bottom: -140px;
    left: -120px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(255, 106, 61, 0.18), transparent 70%);
    pointer-events: none;
}

.payment-section {
    width: min(1120px, 100%);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 1;
    min-width: 0;
}

.payment-hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: 32px;
    align-items: center;
    margin-bottom: 32px;
}

.payment-hero > * {
    min-width: 0;
}

.payment-hero-text h1 {
    font-size: clamp(2rem, 4vw, 2.8rem);
    margin-bottom: 12px;
}

.payment-hero-text p {
    color: var(--text-secondary);
    margin-bottom: 18px;
}

.payment-tag {
    display: inline-flex;
    padding: 6px 14px;
    border-radius: 999px;
    background: var(--primary-100);
    color: var(--primary-800);
    font-weight: 600;
    margin-bottom: 12px;
}

.payment-benefits {
    list-style: none;
    display: grid;
    gap: 14px;
    margin: 0;
    padding: 0;
}

.payment-benefits li {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.payment-benefits strong {
    display: block;
    font-weight: 600;
}

.payment-benefits span {
    color: var(--text-secondary);
}

.benefit-icon {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    font-weight: 700;
    color: var(--primary-600);
    background: var(--primary-50);
    flex-shrink: 0;
}

.trial-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.12);
    min-width: 0;
}

.trial-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 8px;
}

.trial-badge {
    display: inline-flex;
    padding: 4px 12px;
    border-radius: 999px;
    background: var(--primary-50);
    color: var(--primary-800);
    font-size: 0.85rem;
    font-weight: 600;
}

.trial-title {
    margin: 8px 0 0;
    font-weight: 600;
    color: var(--text-primary);
}

.trial-timer {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-600);
    padding: 10px 14px;
    border-radius: 16px;
    background: var(--primary-100);
    min-width: 80px;
    text-align: center;
}

.trial-desc {
    color: var(--text-secondary);
    margin: 12px 0 16px;
}

.trial-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 160px), 1fr));
    gap: 12px;
}

.trial-meta div {
    background: var(--surface-2);
    border-radius: 14px;
    padding: 12px 14px;
    display: grid;
    gap: 4px;
}

.trial-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.trial-note {
    margin-top: 14px;
    font-size: 0.9rem;
    color: var(--primary-600);
    font-weight: 600;
}

.payment-email-section {
    margin-bottom: 32px;
}

.payment-email-alert {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 28px 32px;
    border-radius: 28px;
    border: 1px solid rgba(31, 111, 104, 0.14);
    background:
        radial-gradient(circle at top right, rgba(46, 139, 131, 0.18), transparent 34%),
        linear-gradient(135deg, #ffffff 0%, #eefaf7 100%);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.payment-email-alert--sent {
    border-color: rgba(46, 139, 131, 0.28);
    background:
        radial-gradient(circle at top right, rgba(46, 139, 131, 0.24), transparent 36%),
        linear-gradient(135deg, #f5fffc 0%, #e7f7f2 100%);
}

.payment-email-copy {
    display: grid;
    gap: 8px;
}

.payment-email-kicker {
    display: inline-flex;
    width: fit-content;
    padding: 6px 12px;
    border-radius: 999px;
    background: rgba(31, 111, 104, 0.1);
    color: var(--primary-700);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.payment-email-copy h2 {
    margin: 0;
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1;
}

.payment-email-copy p {
    margin: 0;
    max-width: 760px;
    color: var(--text-secondary);
    font-size: 1rem;
}

.payment-email-feedback {
    font-weight: 600;
}

.payment-email-feedback--success {
    color: var(--primary-700);
}

.payment-email-feedback--error {
    color: #b42318;
}

.payment-email-support {
    font-size: 0.95rem;
}

.payment-email-support a {
    color: var(--primary-700);
    font-weight: 700;
    text-decoration: none;
}

.payment-email-support a:hover {
    text-decoration: underline;
}

.payment-email-button {
    flex-shrink: 0;
    min-width: 220px;
    border: none;
    border-radius: 999px;
    padding: 16px 22px;
    background: linear-gradient(135deg, #1f6f68 0%, #2f9087 100%);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 14px 28px rgba(31, 111, 104, 0.24);
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

.payment-email-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 18px 32px rgba(31, 111, 104, 0.28);
}

.payment-email-button:disabled {
    opacity: 0.7;
    cursor: wait;
    transform: none;
    box-shadow: none;
}

.payment-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
    gap: 24px;
}

.payment-content > * {
    min-width: 0;
}

.payment-guidance {
    margin-top: 24px;
}

.payment-guidance-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
}

.payment-guidance-card {
    padding: 18px;
    border-radius: 18px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    display: grid;
    gap: 10px;
}

.payment-guidance-card h4 {
    margin: 0;
    color: var(--text-primary);
}

.payment-guidance-card p {
    margin: 0;
    color: var(--text-secondary);
}

.payment-guidance-card a {
    color: var(--primary-700);
    font-weight: 700;
    text-decoration: none;
}

.payment-guidance-card a:hover {
    text-decoration: underline;
}

.payment-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 24px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
    min-width: 0;
}

.payment-panel h3 {
    margin-bottom: 6px;
}

.panel-subtitle {
    color: var(--text-secondary);
    margin-bottom: 18px;
}

.plan-group {
    margin-top: 18px;
}

.plan-group:first-of-type {
    margin-top: 8px;
}

.plan-group-title {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.plan-group-note {
    color: var(--text-secondary);
    margin-bottom: 12px;
    font-size: 0.95rem;
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
    gap: 16px;
}

.plan-grid--odd .plan-card:last-child {
    grid-column: 1 / -1;
}

.plan-grid--all {
    grid-template-columns: minmax(min(100%, 260px), 1fr);
}

.plan-card {
    position: relative;
}

.plan-input {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.plan-body {
    position: relative;
    border-radius: 18px;
    border: 1px solid var(--border);
    padding: 16px 16px 40px;
    background: var(--surface-2);
    display: grid;
    gap: 10px;
    align-content: start;
    min-height: 176px;
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.plan-body::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 4px;
    opacity: 0.8;
    background: transparent;
}

.plan-body--self::before {
    background: linear-gradient(90deg, rgba(46, 139, 131, 0.9), rgba(46, 139, 131, 0.35));
}

.plan-body--course::before {
    background: linear-gradient(90deg, rgba(67, 97, 238, 0.85), rgba(67, 97, 238, 0.35));
}

.plan-body--online::before {
    background: linear-gradient(90deg, rgba(0, 145, 199, 0.85), rgba(0, 145, 199, 0.35));
}

.plan-body--all::before {
    background: linear-gradient(90deg, rgba(255, 106, 61, 0.9), rgba(255, 106, 61, 0.4));
}

.plan-card:hover .plan-body {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.plan-input:checked + .plan-body {
    border-color: var(--primary-500);
    background: #ffffff;
    box-shadow: 0 16px 30px rgba(31, 111, 104, 0.16);
}

.plan-top {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 8px;
}

.plan-title-wrap {
    display: grid;
    gap: 4px;
    min-width: 0;
}

.plan-title {
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.35;
    min-height: 2.7em;
    overflow: hidden;
    text-wrap: balance;
}

.plan-duration {
    font-size: 0.78rem;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
}

.plan-flag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--primary-100);
    color: var(--primary-800);
    white-space: nowrap;
    max-width: 126px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.plan-flag--popular {
    background: rgba(46, 139, 131, 0.16);
    color: var(--primary-800);
}

.plan-flag--best {
    background: rgba(255, 106, 61, 0.2);
    color: var(--accent-600);
}

.plan-price-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 10px;
    min-height: 46px;
}

.plan-price-row strong {
    font-size: 1.8rem;
    line-height: 1.1;
    color: var(--text-primary);
}

.plan-meta {
    display: grid;
    gap: 8px;
    align-content: start;
    margin-top: auto;
    min-height: 44px;
}

.plan-save {
    font-size: 0.8rem;
    color: var(--primary-800);
    background: rgba(46, 139, 131, 0.14);
    border-radius: 999px;
    padding: 4px 10px;
    width: fit-content;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: normal;
    line-height: 1.25;
}

.plan-per {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.3;
    min-height: 20px;
    overflow-wrap: anywhere;
}

.plan-check {
    position: absolute;
    bottom: 12px;
    right: 12px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: var(--surface);
    border: 1px solid var(--border);
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.2s ease, transform 0.2s ease, background 0.2s ease;
}

.plan-check::before {
    content: "\2713";
    font-size: 0.75rem;
    color: var(--primary-600);
}

.plan-input:checked + .plan-body .plan-check {
    opacity: 1;
    transform: scale(1);
    background: var(--primary-600);
    border-color: var(--primary-600);
}

.plan-input:checked + .plan-body .plan-check::before {
    color: #ffffff;
}

.plan-note {
    margin-top: 16px;
    padding: 12px 14px;
    border-radius: 14px;
    background: var(--surface-2);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.qr-card {
    display: grid;
    gap: 16px;
    padding: 16px;
    border-radius: 18px;
    border: 1px dashed var(--border);
    background: #ffffff;
    margin-bottom: 16px;
}

.qr-image {
    width: 100%;
    max-width: 320px;
    margin: 0 auto;
    border-radius: 16px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.qr-placeholder {
    width: 100%;
    min-height: 320px;
    border-radius: 16px;
    border: 1px dashed var(--border);
    background: var(--surface-2);
    color: var(--text-secondary);
    display: grid;
    place-items: center;
    text-align: center;
    padding: 20px;
    font-weight: 600;
}

.bank-info {
    display: grid;
    gap: 10px;
}

.bank-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: var(--surface-2);
    padding: 10px 12px;
    border-radius: 12px;
    font-size: 0.95rem;
}

.bank-row span {
    color: var(--text-secondary);
}

.transfer-box {
    margin: 12px 0 16px;
    padding: 14px;
    border-radius: 16px;
    background: var(--primary-50);
}

.transfer-box h4 {
    margin-bottom: 8px;
    font-size: 1rem;
}

.transfer-code {
    display: flex;
    align-items: center;
    gap: 10px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 10px 12px;
    font-weight: 600;
    color: var(--text-primary);
}

.transfer-divider {
    color: var(--text-secondary);
}

.transfer-amount {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
    gap: 10px;
    background: #ffffff;
    border: 1px dashed var(--border);
    border-radius: 12px;
    padding: 10px 12px;
    font-weight: 600;
    color: var(--text-primary);
}

.transfer-amount span {
    color: var(--text-secondary);
    font-weight: 500;
}

.transfer-note {
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.qr-steps {
    display: grid;
    gap: 10px;
    margin: 0 0 18px;
    padding-left: 18px;
    color: var(--text-secondary);
}

.payment-submit {
    width: 100%;
    border: none;
    border-radius: 999px;
    padding: 12px 16px;
    background: var(--primary-600);
    color: #ffffff;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.payment-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(31, 111, 104, 0.25);
}

.payment-note {
    margin-top: 12px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-align: center;
}

@media (max-width: 900px) {
    .payment-hero {
        margin-bottom: 20px;
    }

    .payment-email-alert {
        flex-direction: column;
        align-items: flex-start;
    }

    .payment-email-button {
        width: 100%;
    }

    .payment-content {
        grid-template-columns: 1fr;
    }

    .payment-guidance-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .payment-page {
        padding: 32px 0 64px;
    }

    .payment-email-alert {
        padding: 24px 20px;
        border-radius: 24px;
    }

    .payment-email-copy h2 {
        line-height: 1.05;
    }

    .trial-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .trial-timer {
        align-self: flex-start;
    }

    .bank-row {
        flex-direction: column;
        align-items: flex-start;
    }
}

.payment-page > *,
.payment-section,
.payment-email-alert,
.payment-email-copy,
.payment-content,
.payment-guidance-grid,
.plan-grid,
.plan-card,
.plan-body,
.plan-top,
.trial-card,
.trial-header,
.trial-meta {
    min-width: 0;
}

@container (max-width: 1120px) {
    .payment-guidance-grid {
        grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
    }
}

@container (max-width: 960px) {
    .payment-content,
    .payment-guidance-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .payment-email-alert {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (min-width: 1024px) {
    .payment-page {
        padding: calc(var(--section-gap) + 12px) 0 calc(var(--section-gap) * 2 + 24px);
    }

    .payment-section {
        width: min(calc(var(--content-shell-max) - 80px), 100%);
        padding: 0 max(16px, var(--page-gutter-x));
    }

    .payment-hero {
        gap: calc(var(--section-gap) + 4px);
        margin-bottom: calc(var(--section-gap) + 4px);
    }

    .trial-card {
        padding: var(--card-padding);
        border-radius: calc(var(--card-padding) + 4px);
    }

    .payment-email-section {
        margin-bottom: calc(var(--section-gap) + 4px);
    }

    .payment-email-alert {
        gap: var(--section-gap);
        padding: calc(var(--card-padding) + 4px) calc(var(--card-padding) + 8px);
        border-radius: calc(var(--card-padding) + 8px);
    }
}