:root {
    color-scheme: dark;
    --go-bg-a: #0b0c0f;
    --go-bg-b: #242830;
    --go-surface: rgba(26, 29, 35, .78);
    --go-surface-strong: rgba(31, 35, 42, .94);
    --go-surface-soft: rgba(255, 255, 255, .045);
    --go-text: #f4f6f9;
    --go-muted: #aab1bd;
    --go-faint: #7e8794;
    --go-line: rgba(255, 255, 255, .11);
    --go-line-strong: rgba(255, 255, 255, .2);
    --go-accent: #4f7cff;
    --go-accent-hover: #6b90ff;
    --go-success: #6ec6a0;
    --go-danger: #ff858f;
    --go-shadow: 0 20px 60px rgba(0, 0, 0, .22);
    --go-radius: 18px;
}

html[data-theme="light"] {
    color-scheme: light;
    --go-bg-a: #eaf1f6;
    --go-bg-b: #fbfcfe;
    --go-surface: rgba(255, 255, 255, .78);
    --go-surface-strong: rgba(255, 255, 255, .96);
    --go-surface-soft: rgba(21, 35, 58, .045);
    --go-text: #161b24;
    --go-muted: #596474;
    --go-faint: #7a8492;
    --go-line: rgba(21, 35, 58, .11);
    --go-line-strong: rgba(21, 35, 58, .2);
    --go-accent: #3f6fe7;
    --go-accent-hover: #315fd2;
    --go-success: #26765a;
    --go-danger: #c74b58;
    --go-shadow: 0 20px 60px rgba(45, 61, 80, .12);
}

html {
    min-height: 100%;
    scroll-behavior: smooth;
}

body.gptgo-site {
    min-height: 100vh;
    margin: 0;
    background: linear-gradient(120deg, var(--go-bg-a) 0%, var(--go-bg-b) 100%);
    color: var(--go-text);
    font-family: system-ui, "Noto Sans SC", "Microsoft YaHei", sans-serif;
    font-size: .9rem;
    font-weight: 400;
    letter-spacing: -.01em;
}

body.gptgo-site::before {
    position: fixed;
    z-index: -1;
    inset: 0;
    background:
        radial-gradient(circle at 32% 0, rgba(79, 124, 255, .11), transparent 34rem),
        radial-gradient(circle at 82% 32%, rgba(110, 198, 160, .035), transparent 30rem);
    content: "";
    pointer-events: none;
}

.gptgo-site *,
.gptgo-site *::before,
.gptgo-site *::after {
    box-sizing: border-box;
}

.gptgo-site a {
    color: inherit;
    text-decoration: none;
}

.gptgo-site button,
.gptgo-site input,
.gptgo-site textarea,
.gptgo-site select {
    font: inherit;
}

.gptgo-site .container {
    width: min(calc(100% - 48px), 980px);
    max-width: 980px;
    margin-inline: auto;
    padding: 0;
}

.skip-link {
    position: fixed;
    z-index: 9999;
    top: 8px;
    left: 8px;
    padding: .5rem .7rem;
    border-radius: 8px;
    background: var(--go-accent);
    color: #fff !important;
    transform: translateY(-150%);
}

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

.gptgo-nav {
    position: sticky;
    z-index: 100;
    top: 0;
    border-bottom: 1px solid var(--go-line);
    background: color-mix(in srgb, var(--go-bg-a) 76%, transparent);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
}

.mini-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 62px;
}

.gptgo-brand,
.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    color: var(--go-text) !important;
    font-size: .88rem;
    font-weight: 720;
}

.brand-logo,
.footer-brand img {
    width: 28px;
    height: 28px;
}

.nav-primary {
    display: flex;
    align-items: center;
    gap: .18rem;
}

.nav-primary .gptgo-brand {
    justify-content: center;
    width: 34px;
    height: 34px;
    margin-right: .35rem;
}

.nav-primary .nav-item {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    padding: .45rem .62rem;
    border-radius: 9px;
    color: var(--go-muted);
    font-size: .76rem;
    font-weight: 560;
    line-height: 1;
}

.nav-primary .nav-item:hover {
    background: var(--go-surface-soft);
    color: var(--go-text);
}

.nav-primary .nav-shopping {
    color: var(--go-accent-hover);
    font-weight: 660;
}

.mini-nav-actions,
.footer-links {
    display: flex;
    align-items: center;
    gap: .4rem;
}

.mini-nav-actions a,
.mini-nav-actions button,
.footer-links a,
.footer-links button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 30px;
    min-height: 30px;
    padding: 0 .62rem;
    border: 1px solid transparent;
    border-radius: 9px;
    background: transparent;
    color: var(--go-muted);
    font-size: .76rem;
    line-height: 1;
}

.mini-nav-actions a:hover,
.mini-nav-actions button:hover,
.footer-links a:hover,
.footer-links button:hover {
    border-color: var(--go-line);
    background: var(--go-surface-soft);
    color: var(--go-text);
}

.mini-nav-actions .nav-login {
    border-color: var(--go-line);
    color: var(--go-text);
}

.mini-nav-actions .nav-register {
    border-color: transparent;
    background: var(--go-accent);
    color: #fff;
    font-weight: 650;
}

.mini-nav-actions .nav-register:hover {
    border-color: transparent;
    background: var(--go-accent-hover);
    color: #fff;
}

.gptgo-theme-toggle,
.gptgo-copy-contact,
.footer-wechat {
    cursor: pointer;
}

.gptgo-home {
    padding-block: 30px 72px;
}

.site-announcement {
    padding: 1.35rem 1.5rem 1.25rem;
    border: 1px solid var(--go-line);
    border-radius: var(--go-radius);
    background: var(--go-surface);
    box-shadow: var(--go-shadow);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
}

.gptgo-security-notice {
    width: min(720px, calc(100vw - 32px));
    max-height: min(760px, calc(100dvh - 32px));
    padding: 0;
    overflow: auto;
    border: 1px solid var(--go-line);
    border-radius: 18px;
    background: var(--go-surface);
    color: var(--go-text);
    box-shadow: 0 28px 80px rgba(10, 16, 28, .24);
}

.gptgo-security-notice::backdrop {
    background: rgba(9, 15, 24, .58);
    -webkit-backdrop-filter: blur(5px);
    backdrop-filter: blur(5px);
}

.gptgo-security-notice__panel {
    padding: 1.25rem 1.35rem 1.15rem;
}

.gptgo-security-notice__header,
.gptgo-security-notice__actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
}

.gptgo-security-notice__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    color: var(--go-muted);
    font-size: .76rem;
    font-weight: 680;
}

.gptgo-security-notice__eyebrow span {
    display: grid;
    width: 22px;
    height: 22px;
    border: 1px solid color-mix(in srgb, var(--go-accent) 55%, var(--go-line));
    border-radius: 7px;
    background: color-mix(in srgb, var(--go-accent) 14%, transparent);
    color: var(--go-accent-hover);
    font-size: .7rem;
    font-weight: 760;
    place-items: center;
}

.gptgo-security-notice__close {
    display: grid;
    width: 30px;
    height: 30px;
    padding: 0;
    border: 1px solid transparent;
    border-radius: 8px;
    background: transparent;
    color: var(--go-faint);
    font-size: 1.25rem;
    line-height: 1;
    place-items: center;
}

.gptgo-security-notice__close:hover {
    border-color: var(--go-line);
    background: var(--go-surface-soft);
    color: var(--go-text);
}

.gptgo-security-notice__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 170px;
    align-items: center;
    gap: 1.4rem;
    padding: 1.05rem 0 1.15rem;
}

.gptgo-security-notice__copy h2 {
    margin: 0 0 .9rem;
    color: var(--go-text);
    font-size: 1.16rem;
    letter-spacing: -.025em;
}

.gptgo-security-notice__copy p {
    margin: 0 0 .85rem;
    color: var(--go-muted);
    font-size: .82rem;
    line-height: 1.8;
}

.gptgo-security-notice__copy strong,
.gptgo-security-notice__qr strong {
    color: var(--go-text);
    font-weight: 700;
}

.gptgo-security-notice__copy .gptgo-security-notice__warning {
    margin-bottom: 0;
    padding: .75rem .85rem;
    border: 1px solid color-mix(in srgb, var(--go-accent) 26%, var(--go-line));
    border-radius: 10px;
    background: color-mix(in srgb, var(--go-accent) 7%, var(--go-surface-soft));
    color: var(--go-text);
    font-size: .77rem;
}

.gptgo-security-notice__qr {
    margin: 0;
    text-align: center;
}

.gptgo-security-notice__qr img {
    display: block;
    width: 160px;
    height: auto;
    margin: 0 auto .65rem;
    border: 8px solid #fff;
    border-radius: 10px;
    box-shadow: 0 10px 26px rgba(10, 16, 28, .12);
}

.gptgo-security-notice__qr figcaption {
    color: var(--go-muted);
    font-size: .7rem;
    line-height: 1.6;
}

.gptgo-security-notice__actions {
    justify-content: flex-end;
    padding-top: 1rem;
    border-top: 1px solid var(--go-line);
}

.gptgo-security-notice__actions button {
    min-height: 38px;
    padding: .5rem .85rem;
    border: 1px solid var(--go-line);
    border-radius: 9px;
    background: var(--go-surface-soft);
    color: var(--go-text);
    font-size: .74rem;
    font-weight: 650;
}

.gptgo-security-notice__actions .gptgo-security-notice__confirm {
    border-color: var(--go-accent);
    background: var(--go-accent);
    color: #fff;
}

.announcement-heading {
    display: flex;
    align-items: center;
    gap: .55rem;
}

.announcement-heading h1 {
    margin: 0;
    color: var(--go-text);
    font-size: .92rem;
    font-weight: 680;
    letter-spacing: -.02em;
}

.announcement-mark {
    display: grid;
    width: 22px;
    height: 22px;
    border: 1px solid color-mix(in srgb, var(--go-accent) 55%, var(--go-line));
    border-radius: 7px;
    background: color-mix(in srgb, var(--go-accent) 14%, transparent);
    color: var(--go-accent-hover);
    font-size: .7rem;
    font-weight: 760;
    place-items: center;
}

.announcement-lead {
    max-width: 64rem;
    margin: 1rem 0 0;
    color: var(--go-text);
    font-size: .9rem;
    font-weight: 620;
    line-height: 1.75;
    text-wrap: pretty;
}

.announcement-fold {
    margin-top: 1rem;
    padding-top: .9rem;
    border-top: 1px solid var(--go-line);
}

.announcement-fold summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: var(--go-text);
    font-size: .78rem;
    font-weight: 650;
    cursor: pointer;
    list-style: none;
}

.announcement-fold summary::-webkit-details-marker {
    display: none;
}

.announcement-fold summary small {
    color: var(--go-faint);
    font-size: .66rem;
    font-weight: 500;
}

.announcement-fold summary small::after {
    margin-left: .45rem;
    content: "+";
}

.announcement-fold[open] summary small::after {
    content: "–";
}

.announcement-body {
    max-width: 54rem;
    padding-top: 1rem;
    color: var(--go-muted);
    font-size: .76rem;
    line-height: 1.85;
}

.announcement-body p {
    margin: 0 0 .8rem;
}

.announcement-contacts {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
    margin: .9rem 0 1rem;
}

.announcement-contacts span,
.announcement-contacts button {
    min-height: 34px;
    padding: .46rem .68rem;
    border: 1px solid var(--go-line);
    border-radius: 8px;
    background: var(--go-surface-soft);
    color: var(--go-text);
    font-size: .7rem;
}

.announcement-contacts .announcement-contact-fallback {
    border-style: dashed;
    background: transparent;
    color: var(--go-faint);
    font-size: .68rem;
}

.announcement-usage {
    margin-bottom: 0 !important;
    padding-top: .8rem;
    border-top: 1px solid var(--go-line);
}

.announcement-usage strong {
    color: var(--go-text);
    font-weight: 650;
}

.mini-intro {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    justify-content: space-between;
    gap: 3rem;
    margin: 0 0 26px;
}

.mini-kicker,
.section-kicker {
    display: block;
    margin-bottom: .42rem;
    color: var(--go-accent-hover);
    font-size: .67rem;
    font-weight: 720;
    letter-spacing: .12em;
}

.mini-intro h1,
.query-hero h1,
.checkout-summary h1 {
    margin: 0;
    color: var(--go-text);
    font-size: clamp(1.8rem, 3.5vw, 2.35rem);
    font-weight: 730;
    letter-spacing: -.055em;
    line-height: 1.08;
    text-wrap: balance;
}

.mini-intro p,
.query-hero > p,
.checkout-summary > p {
    max-width: 38rem;
    margin: .72rem 0 0;
    color: var(--go-muted);
    font-size: .9rem;
    line-height: 1.65;
    text-wrap: pretty;
}

.mini-proof {
    display: grid;
    grid-template-columns: repeat(3, auto);
    gap: 1.1rem;
    padding-bottom: .2rem;
    color: var(--go-muted);
    font-size: .69rem;
    white-space: nowrap;
}

.mini-proof span {
    display: grid;
    gap: .22rem;
}

.mini-proof b {
    color: var(--go-accent-hover);
    font-size: .61rem;
    font-weight: 700;
    letter-spacing: .08em;
}

.gptgo-category-list {
    display: none !important;
}

.product-showcase {
    margin-top: 34px;
}

.product-section-heading {
    margin-bottom: 14px;
}

.product-section-heading > span {
    display: block;
    margin-bottom: .38rem;
    color: var(--go-accent-hover);
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .1em;
}

.product-section-heading h2 {
    margin: 0;
    color: var(--go-text);
    font-size: 1.15rem;
    font-weight: 680;
    letter-spacing: -.035em;
}

.product-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: start;
}

.purchase-guide {
    margin-top: .4rem;
    padding: 1.15rem 0 1.15rem 1.65rem;
    border-left: 1px solid var(--go-line);
}

.purchase-guide h2 {
    margin: 0;
    color: var(--go-text);
    font-size: 1.05rem;
    font-weight: 680;
    letter-spacing: -.03em;
}

.purchase-guide ol {
    display: grid;
    gap: .72rem;
    margin: 1.1rem 0 0;
    padding-left: 1.2rem;
    color: var(--go-muted);
    font-size: .75rem;
    line-height: 1.65;
}

.purchase-guide li::marker {
    color: var(--go-accent-hover);
    font-size: .7rem;
    font-weight: 700;
}

.purchase-guide p {
    margin: 1.15rem 0 0;
    padding-top: 1rem;
    border-top: 1px solid var(--go-line);
    color: var(--go-faint);
    font-size: .7rem;
    line-height: 1.7;
}

.purchase-guide > a {
    display: inline-block;
    margin-top: .9rem;
    color: var(--go-text);
    font-size: .72rem;
    font-weight: 620;
}

.mini-workspace,
.query-hero,
.checkout-shell,
.gptgo-detail-section,
.order-results,
.query-state {
    border: 1px solid var(--go-line);
    border-radius: var(--go-radius);
    background: var(--go-surface);
    box-shadow: var(--go-shadow);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
}

.gptgo-product-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
    margin: 0;
}

.gptgo-product-list > .col-12 {
    width: auto;
    padding: 0;
}

.product-showcase .mini-workspace {
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
}

.gptgo-product-list > article,
.gptgo-product-card {
    height: 100%;
}

.item-message,
.gptgo-empty-product {
    padding: 2rem;
    color: var(--go-muted);
    text-align: center;
}

.gptgo-product-card {
    display: grid;
    grid-template-columns: 1fr;
    overflow: hidden;
    min-height: 0;
    border: 1px solid var(--go-line);
    border-radius: var(--go-radius);
    background: var(--go-surface);
    box-shadow: var(--go-shadow);
    color: var(--go-text) !important;
}

.gptgo-product-main {
    display: grid;
    grid-template-columns: 1fr;
    min-width: 0;
    color: inherit !important;
    text-decoration: none !important;
}

.gptgo-product-actions {
    display: flex;
    align-items: center;
    gap: .35rem;
    padding: .55rem .85rem .7rem;
    border-top: 1px solid var(--go-line);
}

.gptgo-product-action,
.gptgo-item-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .28rem;
    min-height: 32px;
    padding: .35rem .62rem;
    border: 1px solid var(--go-line);
    border-radius: 8px;
    background: transparent;
    color: var(--go-muted);
    font: inherit;
    font-size: .7rem;
    cursor: pointer;
    transition: color .18s ease, background-color .18s ease, border-color .18s ease;
}

.gptgo-product-action:hover,
.gptgo-item-action:hover,
.gptgo-product-action.is-active,
.gptgo-item-action.is-active {
    border-color: color-mix(in srgb, var(--go-accent) 46%, var(--go-line));
    background: var(--go-surface-soft);
    color: var(--go-accent-hover);
}

.gptgo-action-icon {
    min-width: 1rem;
    color: currentColor;
    font-size: 1rem;
    line-height: 1;
    text-align: center;
}

.gptgo-product-image {
    grid-row: auto;
    width: 100%;
    min-height: 0;
    aspect-ratio: 1726 / 911;
    border-right: 0;
    border-bottom: 1px solid var(--go-line);
    background-color: #070808;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

.gptgo-product-image-sms,
.gptgo-sms-cover {
    background:
        radial-gradient(circle at 78% 18%, rgba(79, 124, 255, .24), transparent 34%),
        linear-gradient(135deg, #10141b 0%, #1d2937 100%);
}

.gptgo-product-image-sms::before {
    display: flex;
    align-items: flex-end;
    height: 100%;
    box-sizing: border-box;
    padding: clamp(1.15rem, 3vw, 1.75rem);
    color: rgba(255,255,255,.92);
    content: "ChatGPT / Codex 接码验证";
    font: 700 clamp(1.05rem, 2.1vw, 1.65rem)/1.2 system-ui, sans-serif;
    letter-spacing: -.035em;
}

.gptgo-product-body {
    grid-column: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 1.25rem 1.45rem .7rem;
}

.product-labels,
.checkout-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem;
    margin-bottom: .8rem;
}

.product-labels span,
.checkout-highlights span,
.badge-soft {
    padding: .26rem .48rem;
    border: 1px solid var(--go-line);
    border-radius: 7px;
    background: var(--go-surface-soft);
    color: var(--go-muted);
    font-size: .65rem;
    font-weight: 620;
}

.product-labels span:first-child {
    border-color: color-mix(in srgb, var(--go-success) 42%, var(--go-line));
    color: var(--go-success);
}

.product-labels span:last-child {
    border-color: color-mix(in srgb, var(--go-accent) 42%, var(--go-line));
    color: var(--go-accent-hover);
}

.gptgo-product-body h3 {
    margin: 0;
    max-width: none;
    color: var(--go-text);
    font-size: 1.24rem;
    font-weight: 710;
    letter-spacing: -.045em;
    line-height: 1.22;
    text-wrap: balance;
}

.gptgo-product-body p {
    max-width: 48ch;
    margin: .55rem 0 0;
    color: var(--go-muted);
    font-size: .8rem;
    line-height: 1.7;
    text-wrap: pretty;
}

.product-facts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .52rem 1.4rem;
    margin-top: .85rem;
    padding-top: .78rem;
    border-top: 1px solid var(--go-line);
    color: var(--go-muted);
    font-size: .72rem;
}

.product-facts span {
    display: grid;
    grid-template-columns: 2.15rem minmax(0, 1fr);
    align-items: baseline;
    gap: .35rem;
}

.product-facts b {
    color: var(--go-faint);
    font-size: .62rem;
    font-weight: 620;
    letter-spacing: .04em;
}

.product-meta {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem .85rem;
    margin-top: .72rem;
    color: var(--go-faint);
    font-size: .7rem;
}

.product-meta span {
    position: relative;
}

.product-meta span + span::before {
    position: absolute;
    left: -.48rem;
    color: var(--go-line-strong);
    content: "·";
}

.gptgo-product-buy {
    grid-column: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .75rem 1.45rem 1.25rem;
    border-top: 1px solid var(--go-line);
}

.product-price-wrap {
    display: grid;
    gap: .18rem;
}

.product-price-wrap > span {
    color: var(--go-faint);
    font-size: .64rem;
    font-weight: 560;
}

.product-price {
    color: var(--go-text);
    font-size: 2.08rem;
    font-weight: 760;
    letter-spacing: -.04em;
}

.product-price small {
    margin-right: .14rem;
    font-size: .72rem;
    font-weight: 600;
}

.product-cta,
.gptgo-btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 112px;
    min-height: 44px;
    padding: .7rem 1.12rem;
    border: 0;
    border-radius: 10px;
    background: var(--go-accent);
    color: #fff !important;
    font-size: .78rem;
    font-weight: 650;
    transition: background-color .2s ease, transform .2s ease, border-color .2s ease;
}

.gptgo-product-card:hover .product-cta,
.gptgo-btn-primary:hover {
    background: var(--go-accent-hover);
    transform: translateY(-1px);
}

.gptgo-product-card:active .product-cta,
.gptgo-btn-primary:active {
    transform: translateY(1px);
}

.gptgo-product-card.is-sold-out {
    cursor: not-allowed;
}

.gptgo-product-card.is-sold-out .gptgo-product-image {
    opacity: .72;
}

.gptgo-product-card.is-sold-out .product-cta {
    background: var(--go-accent);
    color: #fff !important;
}

.gptgo-manual-contact {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .55rem .75rem;
    margin-top: .85rem;
    padding: .7rem .8rem;
    border: 1px solid var(--go-line);
    border-radius: 10px;
    background: var(--go-surface-soft);
    color: var(--go-muted);
    font-size: .7rem;
    line-height: 1.5;
}

.gptgo-manual-contact[hidden] {
    display: none !important;
}

.gptgo-manual-contact strong {
    color: var(--go-text);
}

.gptgo-manual-contact .gptgo-copy-contact {
    min-height: 30px;
    padding: .38rem .65rem;
}

.mini-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 10px;
}

.mini-details details,
.gptgo-detail-section {
    overflow: hidden;
    border: 1px solid var(--go-line);
    border-radius: 13px;
    background: var(--go-surface-soft);
}

.mini-details summary,
.gptgo-detail-section summary {
    padding: .82rem 1rem;
    color: var(--go-text);
    font-size: .78rem;
    font-weight: 620;
    cursor: pointer;
    list-style: none;
}

.mini-details summary::-webkit-details-marker,
.gptgo-detail-section summary::-webkit-details-marker {
    display: none;
}

.mini-details summary::after,
.gptgo-detail-section summary::after {
    float: right;
    color: var(--go-faint);
    content: "+";
}

.mini-details details[open] summary::after,
.gptgo-detail-section[open] summary::after {
    content: "–";
}

.notice-content,
.mini-details ol,
.detail-content {
    margin: 0;
    padding: 0 1rem 1rem;
    color: var(--go-muted);
    font-size: .74rem;
    line-height: 1.75;
}

.notice-content p,
.detail-content p {
    margin: 0 0 .55rem;
}

.notice-content p:last-child,
.detail-content p:last-child {
    margin-bottom: 0;
}

.mini-details ol {
    padding-left: 2rem;
}

.mini-support {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 10px;
    padding: .8rem 1rem;
    border-top: 1px solid var(--go-line);
    color: var(--go-muted);
    font-size: .74rem;
}

.mini-support > div {
    display: flex;
    gap: .4rem;
}

.mini-support a,
.mini-support button,
.gptgo-copy-contact {
    min-height: 34px;
    padding: .48rem .7rem;
    border: 1px solid var(--go-line);
    border-radius: 9px;
    background: transparent;
    color: var(--go-text);
    font-size: .72rem;
}

.gptgo-footer {
    border-top: 1px solid var(--go-line);
    color: var(--go-muted);
}

.mini-footer,
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.mini-footer {
    min-height: 68px;
    justify-content: flex-start;
}

.mini-footer > div:first-child {
    display: flex;
    align-items: center;
    gap: .9rem;
    font-size: .68rem;
}

.footer-bottom {
    justify-content: center;
    min-height: 48px;
    color: var(--go-faint);
    font-size: .64rem;
    text-align: center;
}

/* Checkout */
.gptgo-checkout-page {
    padding-block: 28px 52px;
}

.checkout-back {
    color: var(--go-muted);
    font-size: .72rem;
}

.checkout-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 10px;
}

.gptgo-item-actions {
    display: flex;
    gap: .35rem;
}

.checkout-shell {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(330px, .85fr);
    overflow: hidden;
}

.checkout-product {
    padding: 1.1rem;
    border-right: 1px solid var(--go-line);
}

.checkout-cover {
    position: relative;
    width: 100%;
    overflow: hidden;
    aspect-ratio: 1726 / 911;
    border: 1px solid var(--go-line);
    border-radius: 12px;
    background: #070808;
}

.checkout-cover .item-cover {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.gptgo-sms-only { display: none !important; }
.gptgo-checkout-page[data-item-name*="接码验证"] .gptgo-plus-only { display: none !important; }
.gptgo-checkout-page[data-item-name*="接码验证"] .gptgo-sms-only { display: block !important; }
.gptgo-checkout-page[data-item-name*="接码验证"] .checkout-highlights.gptgo-sms-only,
.gptgo-checkout-page[data-item-name*="接码验证"] .checkout-flow.gptgo-sms-only { display: grid !important; }
.gptgo-checkout-page[data-item-name*="接码验证"] .checkout-highlights.gptgo-sms-only { display: flex !important; }
.gptgo-sms-cover {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    padding: clamp(1.2rem, 5vw, 2.2rem);
    color: #fff;
}
.gptgo-checkout-page[data-item-name*="接码验证"] .gptgo-sms-cover { display: flex !important; }
.gptgo-sms-cover strong { max-width: 15ch; font-size: clamp(1.25rem, 4vw, 2.25rem); letter-spacing: -.04em; line-height: 1.14; }
.gptgo-sms-cover small { margin-top: .45rem; color: rgba(255,255,255,.68); font-size: .8rem; letter-spacing: .08em; }
.gptgo-sms-guide { padding-right: 0; }
.gptgo-sms-guide p { max-width: none; }

.gptgo-sms-notice {
    width: min(480px, calc(100% - 28px));
    margin: auto;
    max-width: none;
    max-height: calc(100dvh - 32px);
    overflow: auto;
    padding: 22px;
    border: 1px solid var(--go-line);
    border-radius: 18px;
    background: var(--go-surface-strong);
    color: var(--go-text);
    box-shadow: var(--go-shadow);
    font: 14px/1.75 system-ui, "Microsoft YaHei", sans-serif;
}
.gptgo-sms-notice::backdrop { background: rgba(9, 15, 24, .48); }
.gptgo-sms-notice h2 { margin: 0 0 16px; font-size: 18px; font-weight: 680; }
.gptgo-sms-notice p { margin: 0 0 12px; }
.gptgo-sms-notice strong { font-weight: 650; }
.sms-notice-important { padding: 12px 14px; border-radius: 10px; background: var(--go-surface-soft); }
.sms-notice-copy { margin-top: 18px; color: var(--go-muted); }
.sms-notice-copy h3 { margin: 0 0 8px; color: var(--go-text); font-size: 14px; font-weight: 650; }
.sms-notice-copy strong { color: var(--go-text); }
.gptgo-sms-notice .sms-notice-footer { margin: 16px 0; padding-top: 14px; border-top: 1px solid var(--go-line); color: var(--go-muted); }
.sms-notice-actions { display: flex; gap: 8px; }
.sms-notice-actions button { flex: 1; min-height: 44px; padding: 9px 10px; border: 1px solid var(--go-line); border-radius: 10px; background: var(--go-surface-soft); color: var(--go-text); font-size: 13px; font-weight: 600; }
.sms-notice-actions .sms-notice-continue { border-color: var(--go-accent); background: var(--go-accent); color: #fff; }
.sms-notice-actions button:focus-visible { outline: 2px solid var(--go-accent); outline-offset: 3px; }
@media (max-width: 400px) {
    .gptgo-sms-notice { padding: 18px; }
    .sms-notice-actions { flex-direction: column; }
}

.sms-delivery {
    display: grid;
    gap: .65rem;
}
.sms-phone-row { display: grid; grid-template-columns: 1fr auto; gap: .5rem; }
.sms-phone { display: flex; align-items: center; min-width: 0; padding: .65rem; border: 1px solid var(--go-line); border-radius: 9px; background: rgba(0,0,0,.12); color: var(--go-text); font: 650 .86rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; overflow-wrap: anywhere; }
.copy-sms-number,
.open-sms-code { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: .58rem .78rem; border: 0; border-radius: 9px; background: var(--go-accent); color: #fff !important; font-size: .72rem; font-weight: 650; }
.open-sms-code { width: fit-content; text-decoration: none; }
.sms-help { color: var(--go-faint); font-size: .68rem; line-height: 1.65; }

.checkout-summary {
    padding: 1.15rem .2rem .3rem;
}

.checkout-summary h1 {
    font-size: 1.35rem;
}

.checkout-highlights {
    margin: .8rem 0 0;
}

.checkout-flow {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: .45rem;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--go-line);
}

.checkout-flow span {
    display: grid;
    gap: .26rem;
    color: var(--go-muted);
    font-size: .67rem;
    line-height: 1.45;
}

.checkout-flow b {
    color: var(--go-accent-hover);
    font-size: .6rem;
    font-weight: 720;
    letter-spacing: .08em;
}

.checkout-form-card {
    padding: 1.25rem;
}

.checkout-price-row,
.checkout-stock-row,
.pay-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.checkout-price-row {
    padding-bottom: .9rem;
    border-bottom: 1px solid var(--go-line);
    color: var(--go-muted);
    font-size: .74rem;
}

.checkout-price-row .price {
    color: var(--go-text);
    font-size: 1.75rem;
    font-weight: 720;
}

.checkout-price-row .unit {
    margin-right: .1rem;
    font-size: .7rem;
}

.checkout-stock-row {
    margin-block: .85rem;
    font-size: .7rem;
}

.item-stock.badge-soft-success {
    color: var(--go-success);
}

.item-stock.badge-soft-danger {
    color: var(--go-danger);
}

.gptgo-site .form-label {
    color: var(--go-muted);
    font-size: .72rem;
    font-weight: 560;
}

.gptgo-site .form-control {
    min-height: 42px;
    border: 1px solid var(--go-line);
    border-radius: 10px;
    background: var(--go-surface-soft);
    color: var(--go-text);
    font-size: .78rem;
    box-shadow: none;
}

.gptgo-site .form-control:focus {
    border-color: var(--go-accent);
    background: var(--go-surface-soft);
    color: var(--go-text);
    box-shadow: 0 0 0 3px rgba(79, 124, 255, .13);
}

.gptgo-site .form-control::placeholder {
    color: var(--go-faint);
}

.form-help,
.checkout-safe-note {
    margin-top: .35rem;
    color: var(--go-faint);
    font-size: .66rem;
    line-height: 1.55;
}

.contact-label-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
}

.contact-help {
    position: relative;
    display: inline-flex;
    flex: 0 0 auto;
}

.contact-help-toggle {
    padding: .15rem .3rem;
    border: 0;
    background: transparent;
    color: var(--go-accent-hover);
    font-size: .68rem;
    font-weight: 650;
    cursor: help;
}

.contact-help-toggle:focus-visible {
    border-radius: 6px;
    outline: 2px solid color-mix(in srgb, var(--go-accent) 58%, transparent);
    outline-offset: 2px;
}

.contact-help-tip {
    position: absolute;
    z-index: 20;
    right: 0;
    bottom: calc(100% + .55rem);
    width: 250px;
    padding: .65rem .72rem;
    border: 1px solid var(--go-line-strong);
    border-radius: 9px;
    background: var(--go-surface-strong);
    color: var(--go-text);
    font-size: .68rem;
    font-weight: 450;
    line-height: 1.6;
    box-shadow: 0 12px 32px rgba(0, 0, 0, .18);
    opacity: 0;
    visibility: hidden;
    transform: translateY(5px);
    transition: opacity .16s ease, transform .16s ease, visibility .16s ease;
    pointer-events: none;
}

.contact-help:hover .contact-help-tip,
.contact-help:focus-within .contact-help-tip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.captcha-group {
    display: grid;
    grid-template-columns: 1fr 108px;
}

.captcha-group .captcha-input {
    width: 100%;
    min-width: 0;
}

.captcha-img {
    width: 108px;
    height: 42px;
    border: 1px solid var(--go-line) !important;
    border-radius: 0 10px 10px 0 !important;
    object-fit: cover;
    cursor: pointer;
}

.purchase-ack {
    display: flex;
    gap: .55rem;
    align-items: flex-start;
    padding: .72rem;
    border: 1px solid var(--go-line);
    border-radius: 10px;
    color: var(--go-muted);
    font-size: .7rem;
    line-height: 1.45;
}

.purchase-ack input {
    margin-top: .15rem;
    accent-color: var(--go-accent);
}

.cash-pay {
    padding-top: .9rem;
    border-top: 1px solid var(--go-line);
}

.pay-heading {
    margin-bottom: .6rem;
    color: var(--go-muted);
    font-size: .7rem;
}

.pay-heading small {
    color: var(--go-faint);
}

.pay-list {
    display: grid;
    gap: .5rem;
}

.pay {
    display: flex;
    align-items: center;
    gap: .55rem;
    min-height: 42px;
    padding: .55rem .75rem;
    border: 1px solid var(--go-line);
    border-radius: 10px;
    background: var(--go-surface-soft);
    color: var(--go-text) !important;
    cursor: pointer;
}

.pay:hover {
    border-color: var(--go-accent);
}

.pay img {
    width: 22px;
    height: 22px;
}

.pay-alipay {
    min-height: 54px;
    padding: .45rem .6rem;
}

.gptgo-site .pay-list .pay.pay-alipay img {
    width: auto;
    height: 34px;
    max-width: 120px;
    border-radius: 0;
    object-fit: contain;
    box-shadow: none;
}

.pay-unavailable {
    padding: .72rem;
    border: 1px solid color-mix(in srgb, var(--go-danger) 35%, var(--go-line));
    border-radius: 10px;
    color: var(--go-danger);
    font-size: .7rem;
}

.gptgo-detail-section {
    margin-top: 10px;
    box-shadow: none;
}

.detail-content {
    padding: 0 1rem 1rem;
}

.gptgo-purchase-guide {
    margin-top: 12px;
    padding: 1.5rem;
    border: 1px solid var(--go-line);
    border-radius: var(--go-radius);
    background: var(--go-surface);
    box-shadow: var(--go-shadow);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
}

.purchase-guide-heading {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, .7fr);
    align-items: end;
    gap: 1rem 2.2rem;
    padding-bottom: 1.1rem;
    border-bottom: 1px solid var(--go-line);
}

.purchase-guide-heading-simple {
    grid-template-columns: minmax(0, 1fr);
}

.purchase-guide-heading .section-kicker {
    grid-column: 1;
    margin-bottom: -.45rem;
}

.purchase-guide-heading h2 {
    grid-column: 1;
    margin: 0;
    color: var(--go-text);
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: -.04em;
}

.redeem-sites {
    grid-column: 2;
    grid-row: 1 / span 2;
    display: grid;
    gap: .38rem;
    padding: .78rem .9rem;
    border: 1px solid var(--go-line);
    border-radius: 10px;
    background: var(--go-surface-soft);
}

.redeem-sites p {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    margin: 0;
    color: var(--go-muted);
    font-size: .7rem;
}

.redeem-sites a {
    color: var(--go-accent-hover);
    font-weight: 650;
}

.redeem-sites a:hover {
    text-decoration: underline;
    text-underline-offset: 3px;
}

.gptgo-site .gptgo-recharge-button {
    display: inline-flex;
    min-height: 38px;
    align-items: center;
    justify-content: center;
    padding: .52rem .78rem;
    border: 1px solid color-mix(in srgb, var(--go-accent) 78%, var(--go-line));
    border-radius: 9px;
    background: var(--go-accent);
    color: #fff !important;
    font-size: .7rem;
    font-weight: 680;
    line-height: 1.25;
    box-shadow: 0 8px 20px color-mix(in srgb, var(--go-accent) 20%, transparent);
    transition: background .18s ease, box-shadow .18s ease, transform .18s ease;
}

.gptgo-site .gptgo-recharge-button:hover {
    background: var(--go-accent-hover);
    color: #fff;
    text-decoration: none;
    transform: translateY(-1px);
}

.gptgo-site .gptgo-recharge-button:active {
    transform: translateY(0);
}

.gptgo-site .gptgo-recharge-button:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--go-accent) 28%, transparent);
    outline-offset: 3px;
}

.gptgo-site .gptgo-recharge-button[aria-disabled="true"] {
    cursor: not-allowed;
    opacity: .55;
    pointer-events: none;
}

.purchase-guide-content {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 1.5rem;
}

.guide-block {
    padding: 1.15rem 0;
    color: var(--go-muted);
    font-size: .76rem;
    line-height: 1.82;
}

.guide-block-wide {
    grid-column: 1 / -1;
    padding-right: min(8vw, 5rem);
    border-bottom: 1px solid var(--go-line);
}

.guide-aftercare {
    border-left: 1px solid var(--go-line);
    padding-left: 1.5rem;
}

.guide-block h3 {
    margin: 0 0 .48rem;
    color: var(--go-text);
    font-size: .8rem;
    font-weight: 680;
}

.guide-block p {
    max-width: 82ch;
    margin: 0 0 .65rem;
    text-wrap: pretty;
}

.guide-block p:last-child {
    margin-bottom: 0;
}

.guide-numbered-copy {
    display: grid;
    gap: .38rem;
}

.aftercare-summary,
.aftercare-warning,
.aftercare-boundary,
.aftercare-confirm {
    color: var(--go-text);
    font-weight: 560;
}

.purchase-recharge-action {
    display: flex;
    margin-top: .85rem;
    padding-top: .8rem;
    border-top: 1px solid var(--go-line);
}

.aftercare-warning {
    padding: .7rem .78rem;
    border-left: 3px solid var(--go-danger);
    border-radius: 0 8px 8px 0;
    background: color-mix(in srgb, var(--go-danger) 7%, transparent);
}

.aftercare-risk-list {
    display: grid;
    gap: .55rem;
    margin: .7rem 0 1rem;
    padding-left: 1.2rem;
}

.aftercare-risk-list li::marker {
    color: var(--go-accent-hover);
    font-weight: 700;
}

.aftercare-risk-list strong,
.aftercare-boundary strong {
    color: var(--go-text);
    font-weight: 680;
}

.aftercare-confirm {
    margin-top: .85rem !important;
    padding-top: .75rem;
    border-top: 1px solid var(--go-line);
}

/* Query */
.gptgo-query-page {
    min-height: calc(100vh - 170px);
    padding-block: 46px 64px;
}

.query-hero {
    width: min(100%, 720px);
    margin-inline: auto;
    padding: 1.5rem;
}

.query-hero h1 {
    font-size: 1.45rem;
}

.order-query-form {
    margin-top: 1.15rem;
}

.query-form-row {
    display: grid;
    grid-template-columns: 1fr 88px;
    gap: .55rem;
}

.query-flow {
    margin: 1rem 0 0;
    color: var(--go-faint);
    font-size: .7rem;
    text-align: center;
}

.order-results,
.query-state {
    width: min(100%, 720px);
    margin: 10px auto 0;
    padding: 1.15rem;
    box-shadow: none;
}

.query-section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: .8rem;
}

.query-section-heading h2,
.query-state h2 {
    margin: 0;
    color: var(--go-text);
    font-size: 1rem;
    font-weight: 650;
}

.query-section-heading p,
.query-state p {
    margin: .2rem 0 0;
    color: var(--go-muted);
    font-size: .7rem;
}

.query-state {
    text-align: center;
}

.state-icon {
    display: grid;
    width: 34px;
    height: 34px;
    margin: 0 auto .7rem;
    border: 1px solid var(--go-line);
    border-radius: 50%;
    place-items: center;
    color: var(--go-muted);
}

.order-list {
    display: grid;
    gap: .7rem;
}

.order-item {
    overflow: hidden;
    border: 1px solid var(--go-line);
    border-radius: 12px;
    background: var(--go-surface-soft);
}

.order-header,
.goods-section,
.card-section {
    padding: .85rem;
}

.order-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    border-bottom: 1px solid var(--go-line);
}

.order-no {
    color: var(--go-text);
    font-size: .76rem;
    font-weight: 620;
}

.order-time,
.payment-time,
.payment-dst,
.amount-label {
    margin-top: .2rem;
    color: var(--go-faint);
    font-size: .65rem;
}

.status-badge,
.shipment-badge,
.goods-sku {
    display: inline-block;
    margin-bottom: .35rem;
    padding: .2rem .38rem;
    border: 1px solid var(--go-line);
    border-radius: 6px;
    color: var(--go-muted);
    font-size: .62rem;
}

.amount-value {
    display: block;
    color: var(--go-text);
    font-size: 1.05rem;
    font-weight: 680;
}

.payment-icon {
    width: 16px;
    height: 16px;
    margin-right: .25rem;
}

.goods-section {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: .8rem;
    border-bottom: 1px solid var(--go-line);
}

.goods-image {
    width: 72px;
    height: 52px;
    border-radius: 7px;
    object-fit: cover;
}

.goods-name {
    margin: 0 0 .35rem;
    color: var(--go-text);
    font-size: .76rem;
}

.card-header {
    margin-bottom: .55rem;
}

.shipment-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    color: var(--go-muted);
    font-size: .72rem !important;
}

.card-content-no-password,
.card-content {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: .5rem;
}

.card-display {
    min-width: 0;
    padding: .65rem;
    border: 1px solid var(--go-line);
    border-radius: 9px;
    background: rgba(0, 0, 0, .12);
    color: var(--go-text);
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: .72rem;
    overflow-wrap: anywhere;
    white-space: pre-wrap;
}

.copy-card-content,
.view-card-btn {
    min-height: 38px;
    padding: .5rem .7rem;
    border: 0;
    border-radius: 9px;
    background: var(--go-accent);
    color: #fff;
    font-size: .7rem;
}

.redeem-reminder {
    margin-top: .5rem;
    color: var(--go-faint);
    font-size: .66rem;
}

.order-delivery-note {
    margin-top: .68rem;
    color: var(--go-muted);
    font-size: .72rem;
    line-height: 1.65;
    white-space: pre-line;
}

.order-delivery-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin-top: .68rem;
}

/* Compact, click-to-load tutorial; shares the site's light/dark palette. */
.gptgo-tutorial-entry {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    min-height: 80px;
    margin-top: 16px;
    padding: 12px 0;
    border: 0;
    border-top: 1px solid var(--go-line);
    background: transparent;
    color: var(--go-text);
    text-align: left;
    cursor: pointer;
}
.gptgo-tutorial-play {
    display: grid;
    place-items: center;
    flex: 0 0 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--go-surface-soft);
    color: #4f7cff;
    font-size: 16px;
}
.gptgo-tutorial-copy { flex: 1; min-width: 0; }
.gptgo-tutorial-copy strong { display: block; font-size: 14px; font-weight: 600; }
.gptgo-tutorial-copy small { display: block; margin-top: 4px; color: var(--go-muted); font-size: 12px; line-height: 1.5; }
.gptgo-tutorial-cta { flex-shrink: 0; font-size: 12px; color: #4f7cff; }
.gptgo-tutorial-link {
    padding: 10px 0;
    min-height: 44px;
    border: 0;
    background: transparent;
    color: var(--go-text);
    font-size: 13px;
    cursor: pointer;
}
.gptgo-tutorial-entry:focus-visible, .gptgo-tutorial-link:focus-visible,
.gptgo-tutorial-close:focus-visible { outline: 2px solid #4f7cff; outline-offset: 3px; }
.gptgo-tutorial-dialog {
    width: min(800px, calc(100% - 24px));
    max-width: none;
    max-height: calc(100dvh - 32px);
    margin: auto;
    padding: 0;
    overflow: auto;
    border: 1px solid var(--go-line);
    border-radius: 16px;
    background: var(--go-surface-strong);
    color: var(--go-text);
}
.gptgo-tutorial-dialog::backdrop { background: rgba(0, 0, 0, .65); }
.gptgo-tutorial-heading, .gptgo-tutorial-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px; }
.gptgo-tutorial-heading strong { font-size: 15px; }
.gptgo-tutorial-close { width: 44px; height: 44px; border: 0; border-radius: 10px; background: var(--go-surface-soft); color: var(--go-text); font-size: 26px; cursor: pointer; }
.gptgo-tutorial-player { aspect-ratio: 16 / 9; background: #000; }
.gptgo-tutorial-player iframe { display: block; width: 100%; height: 100%; border: 0; }
.gptgo-tutorial-footer { flex-wrap: wrap; font-size: 12px; color: var(--go-muted); }
.gptgo-tutorial-footer a { color: var(--go-text); text-decoration: underline; padding: 8px 0; }
@media (max-width: 400px) {
    .gptgo-tutorial-entry { gap: 8px; }
    .gptgo-tutorial-play { flex-basis: 36px; height: 40px; }
    .gptgo-tutorial-cta { font-size: 11px; }
}

@media (max-width: 767.98px) {
    html {
        scroll-padding-top: calc(60px + env(safe-area-inset-top));
    }

    body.gptgo-site {
        overflow-x: hidden;
    }

    .gptgo-site .container {
        width: min(calc(100% - 24px), 980px);
    }

    .gptgo-nav {
        padding-top: env(safe-area-inset-top);
    }

    .mini-nav {
        min-height: 56px;
        gap: .4rem;
    }

    .nav-primary,
    .mini-nav-actions {
        gap: 0;
        min-width: 0;
    }

    .nav-primary .gptgo-brand {
        width: 32px;
        height: 32px;
        margin-right: .15rem;
    }

    .nav-primary .brand-logo {
        width: 26px;
        height: 26px;
    }

    .nav-primary .nav-item {
        height: 36px;
        min-height: 36px;
        padding: 0 .42rem;
        font-size: .72rem;
        white-space: nowrap;
    }

    .mini-nav-actions {
        gap: .1rem;
    }

    .mini-nav-actions a,
    .mini-nav-actions button {
        height: 36px;
        min-height: 36px;
        padding: 0 .42rem;
        font-size: .7rem;
        white-space: nowrap;
    }

    .gptgo-home,
    .gptgo-query-page {
        padding-block: 28px 46px;
    }

    .gptgo-home {
        padding-top: 16px;
    }

    .gptgo-security-notice {
        width: calc(100vw - 24px);
        max-height: calc(100dvh - 24px);
        border-radius: 16px;
    }

    .gptgo-security-notice__panel {
        padding: 1rem;
    }

    .gptgo-security-notice__body {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding-block: .9rem 1rem;
    }

    .gptgo-security-notice__copy h2 {
        margin-bottom: .7rem;
        font-size: 1.05rem;
    }

    .gptgo-security-notice__copy p {
        font-size: .78rem;
        line-height: 1.75;
    }

    .gptgo-security-notice__qr img {
        width: min(220px, 58vw);
    }

    .gptgo-security-notice__actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .gptgo-security-notice__actions button {
        width: 100%;
        min-height: 42px;
    }

    .site-announcement {
        padding: 1rem;
        border-radius: 14px;
    }

    .announcement-heading h1 {
        font-size: .88rem;
    }

    .announcement-lead {
        margin-top: .85rem;
        font-size: .86rem;
        line-height: 1.7;
    }

    .announcement-fold summary {
        align-items: flex-start;
        font-size: .76rem;
    }

    .announcement-body {
        font-size: .78rem;
        line-height: 1.8;
    }

    .announcement-contacts {
        display: grid;
        grid-template-columns: 1fr;
    }

    .announcement-contacts span,
    .announcement-contacts button {
        width: 100%;
        min-height: 42px;
        font-size: .76rem;
        text-align: left;
    }

    .product-showcase {
        margin-top: 26px;
    }

    .product-section-heading h2 {
        font-size: 1.05rem;
    }

    .product-layout {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .gptgo-product-list {
        grid-template-columns: 1fr;
    }

    .purchase-guide {
        margin-top: 0;
        padding: 1.15rem .15rem 0;
        border-top: 1px solid var(--go-line);
        border-left: 0;
    }

    .mini-intro {
        display: block;
        margin-bottom: 20px;
    }

    .mini-intro h1 {
        font-size: clamp(1.75rem, 8.5vw, 2.15rem);
    }

    .mini-proof {
        grid-template-columns: repeat(3, 1fr);
        gap: .45rem;
        margin-top: 1.2rem;
        padding-top: .9rem;
        border-top: 1px solid var(--go-line);
        font-size: .63rem;
        white-space: normal;
    }

    .gptgo-product-card {
        display: block;
    }

    .gptgo-product-actions {
        padding-inline: 1rem;
    }

    .gptgo-product-image {
        height: auto;
        min-height: 0;
        aspect-ratio: 1726 / 911;
        border-right: 0;
        border-bottom: 1px solid var(--go-line);
    }

    .gptgo-product-body {
        padding: 1.15rem 1rem .68rem;
    }

    .gptgo-product-buy {
        padding: .78rem 1rem 1.1rem;
    }

    .gptgo-product-body h3 {
        font-size: 1.18rem;
    }

    .gptgo-product-body p {
        font-size: .82rem;
    }

    .product-facts {
        gap: .5rem .8rem;
        margin-top: .85rem;
        padding-top: .8rem;
        font-size: .72rem;
    }

    .product-facts span {
        grid-template-columns: 1.85rem minmax(0, 1fr);
        gap: .2rem;
    }

    .product-price {
        font-size: 1.9rem;
    }

    .product-cta {
        min-width: 104px;
        min-height: 44px;
    }

    .mini-details {
        grid-template-columns: 1fr;
    }

    .mini-support {
        align-items: stretch;
        flex-direction: column;
    }

    .mini-support > div {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .checkout-shell {
        grid-template-columns: 1fr;
        border-radius: 14px;
    }

    .checkout-product {
        padding: .8rem;
        border-right: 0;
        border-bottom: 1px solid var(--go-line);
    }

    .gptgo-checkout-page {
        padding-block: 16px 38px;
    }

    .checkout-back {
        font-size: .76rem;
    }

    .checkout-toolbar {
        align-items: flex-start;
        margin-bottom: 8px;
    }

    .gptgo-item-actions {
        flex-shrink: 0;
    }

    .gptgo-item-action {
        min-height: 34px;
        padding-inline: .5rem;
    }

    .checkout-cover {
        border-radius: 10px;
    }

    .checkout-summary {
        padding: 1rem .1rem .2rem;
    }

    .checkout-summary h1 {
        font-size: 1.25rem;
    }

    .checkout-summary > p {
        font-size: .82rem;
        line-height: 1.65;
    }

    .checkout-highlights span {
        font-size: .68rem;
    }

    .checkout-form-card {
        padding: 1rem;
    }

    .checkout-flow {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: .42rem;
    }

    .checkout-flow span {
        display: grid;
        grid-template-columns: 1fr;
        gap: .2rem;
        font-size: .66rem;
    }

    .checkout-price-row .price {
        font-size: 1.8rem;
    }

    .checkout-stock-row {
        margin-block: .78rem;
    }

    .gptgo-site .vstack.gap-3 {
        gap: .85rem !important;
    }

    .gptgo-site .form-label {
        font-size: .78rem;
    }

    .gptgo-site .form-control {
        min-height: 46px;
        font-size: 16px;
    }

    .form-help,
    .checkout-safe-note {
        font-size: .72rem;
    }

    .contact-help-toggle {
        min-height: 32px;
        padding-inline: .42rem;
        font-size: .72rem;
    }

    .contact-help-tip {
        width: min(250px, calc(100vw - 44px));
        font-size: .72rem;
    }

    .captcha-group {
        grid-template-columns: minmax(0, 1fr) 104px;
    }

    .captcha-img {
        width: 104px;
        height: 46px;
    }

    .purchase-ack {
        gap: .62rem;
        padding: .78rem;
        font-size: .76rem;
        line-height: 1.55;
    }

    .purchase-ack input {
        flex: 0 0 auto;
        width: 18px;
        height: 18px;
    }

    .pay-heading {
        font-size: .76rem;
    }

    .pay-heading small {
        font-size: .68rem;
    }

    .pay-alipay {
        width: 100%;
        min-height: 56px;
    }

    .gptgo-purchase-guide {
        margin-top: 10px;
        padding: 1rem;
        border-radius: 14px;
    }

    .purchase-guide-heading,
    .purchase-guide-content {
        grid-template-columns: 1fr;
    }

    .purchase-guide-heading {
        align-items: start;
        gap: .75rem;
    }

    .purchase-guide-heading .section-kicker,
    .purchase-guide-heading h2,
    .redeem-sites {
        grid-column: 1;
        grid-row: auto;
    }

    .purchase-guide-heading .section-kicker {
        margin-bottom: -.2rem;
    }

    .purchase-guide-heading h2 {
        font-size: 1.15rem;
    }

    .redeem-sites p {
        font-size: .76rem;
    }

    .guide-block,
    .guide-block-wide,
    .guide-aftercare {
        grid-column: 1;
        padding: 1rem 0;
        border-left: 0;
        border-bottom: 1px solid var(--go-line);
    }

    .guide-block:last-child {
        border-bottom: 0;
        padding-bottom: 0;
    }

    .guide-block {
        overflow-wrap: anywhere;
        font-size: .82rem;
        line-height: 1.86;
    }

    .guide-block h3 {
        font-size: .86rem;
    }

    .query-form-row {
        grid-template-columns: 1fr;
    }

    .mini-footer {
        align-items: flex-start;
        flex-direction: column;
        gap: .65rem;
        padding-block: .9rem;
    }

    .footer-bottom {
        align-items: center;
        flex-direction: row;
        justify-content: center;
        min-height: 44px;
        padding: 0 0 env(safe-area-inset-bottom);
    }

    .mini-footer > div:first-child {
        align-items: flex-start;
        flex-direction: column;
        gap: .45rem;
    }

    .footer-links {
        flex-wrap: wrap;
    }

    .order-header {
        flex-direction: column;
    }

    .goods-section {
        grid-template-columns: 60px 1fr;
    }

    .goods-image {
        width: 60px;
        height: 44px;
    }

    .card-content-no-password,
    .card-content {
        grid-template-columns: 1fr;
    }

    .sms-phone-row { grid-template-columns: 1fr; }
    .open-sms-code { width: 100%; min-height: 46px; }

    .order-delivery-actions .gptgo-recharge-button {
        width: 100%;
        min-height: 46px;
        font-size: .76rem;
    }

    .purchase-recharge-action .gptgo-recharge-button {
        width: 100%;
        min-height: 46px;
        font-size: .76rem;
    }
}

@media (max-width: 359.98px) {
    .gptgo-site .container {
        width: min(calc(100% - 18px), 980px);
    }

    .nav-primary .gptgo-brand {
        width: 29px;
        height: 29px;
        margin-right: 0;
    }

    .nav-primary .nav-item,
    .mini-nav-actions a,
    .mini-nav-actions button {
        padding-inline: .28rem;
        font-size: .66rem;
    }

    .checkout-flow,
    .product-facts {
        grid-template-columns: 1fr;
    }

    .checkout-flow span {
        grid-template-columns: 1.4rem 1fr;
        align-items: center;
    }

    .product-cta {
        min-width: 96px;
        padding-inline: .85rem;
    }
}

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

    .gptgo-site *,
    .gptgo-site *::before,
    .gptgo-site *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}