:root {
    --pricing-ink: #f9fafb;
    --pricing-muted: #a1a1aa;
    --pricing-subtle: #71717a;
    --pricing-line: rgba(255, 255, 255, 0.1);
    --pricing-surface: rgba(20, 20, 25, 0.84);
    --pricing-surface-strong: #1b1b22;
    --pricing-blue: #7c8cff;
    --pricing-violet: #b37cff;
    --pricing-mint: #69e5c7;
    --pricing-page: #08080b;
    --pricing-font: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
    box-sizing: border-box;
}

html {
    background: var(--pricing-page);
    scroll-behavior: smooth;
}

body {
    min-width: 320px;
    margin: 0;
    color: var(--pricing-ink);
    background:
        radial-gradient(circle at 86% 9%, rgba(81, 64, 198, 0.13), transparent 25rem),
        var(--pricing-page);
    font-family: var(--pricing-font);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

button,
a {
    font: inherit;
}

a {
    color: inherit;
}

button {
    cursor: pointer;
}

.page-shell {
    width: min(1240px, calc(100% - 64px));
    margin: 0 auto;
}

.pricing-header {
    position: absolute;
    z-index: 1000;
    top: 0;
    right: 0;
    left: 0;
    pointer-events: none;
}

.pricing-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 0;
    padding: 8px 48px 16px 16px;
    position: relative;
}

.pricing-logo {
    display: inline-flex;
    align-items: center;
    position: relative;
    z-index: 2;
    pointer-events: auto;
    text-decoration: none;
}

.pricing-logo-mark {
    display: block;
    width: 56px;
    height: 56px;
    border-radius: 12px;
}

.pricing-primary-nav {
    position: absolute;
    z-index: 3;
    top: 28px;
    left: 50%;
    display: flex;
    gap: 32px;
    pointer-events: auto;
    transform: translateX(-50%);
}

.pricing-nav-tab {
    padding: 4px 2px;
    border: 0;
    color: rgba(255, 255, 255, 0.6);
    background: transparent;
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    font-size: 14px;
    font-weight: 500;
    line-height: 20px;
    text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.pricing-nav-tab:hover {
    color: rgba(255, 255, 255, 0.9);
}

.pricing-nav-tab.active {
    color: #fff;
    font-weight: 600;
}

.pricing-nav-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    position: relative;
    pointer-events: auto;
    z-index: 4;
}

.pricing-language-trigger {
    border: 0;
    color: #fff;
    background: transparent;
    font: inherit;
    font-size: 13px;
    line-height: 20px;
}

.pricing-language-picker {
    position: relative;
}

.pricing-language-trigger {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 9px 0;
    outline: none;
}

.pricing-language-trigger svg {
    width: 12px;
    height: 12px;
}

.pricing-language-menu {
    position: absolute;
    z-index: 20;
    top: calc(100% + 6px);
    right: 0;
    min-width: 132px;
    padding: 4px;
    border-radius: 8px;
    background: #14151c;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.4);
}

.pricing-language-menu button {
    display: block;
    width: 100%;
    padding: 8px 10px;
    border: 0;
    border-radius: 6px;
    color: #b4b8c6;
    background: transparent;
    font: inherit;
    font-size: 13px;
    text-align: left;
}

.pricing-language-menu button:hover {
    color: #e6e8ee;
    background: #20212b;
}

.pricing-language-menu button.selected {
    color: #a5b4fc;
    background: rgba(124, 140, 255, 0.16);
}

.pricing-signin {
    display: inline-flex;
    align-items: center;
    padding: 5px 18px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 999px;
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
    font-size: 14px;
    font-weight: 500;
    line-height: 20px;
    text-decoration: none;
    transition: background 0.2s, border-color 0.2s;
}

.pricing-signin:hover {
    border-color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.2);
}

.pricing-footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 19px;
    font-weight: 700;
    letter-spacing: -0.7px;
    text-decoration: none;
}

.pricing-hero {
    position: relative;
    min-height: 268px;
    overflow: hidden;
    padding: 132px 0 58px;
    isolation: isolate;
}

.pricing-grid {
    position: absolute;
    z-index: -2;
    inset: 0;
    opacity: 0.42;
    background-image:
        linear-gradient(rgba(150, 166, 255, 0.065) 1px, transparent 1px),
        linear-gradient(90deg, rgba(150, 166, 255, 0.065) 1px, transparent 1px);
    background-size: 46px 46px;
    mask-image: linear-gradient(to bottom, #000 8%, transparent 94%);
}

.pricing-aurora {
    position: absolute;
    z-index: -1;
    width: 650px;
    height: 370px;
    border-radius: 50%;
    filter: blur(16px);
    opacity: 0.65;
    pointer-events: none;
}

.pricing-aurora-left {
    top: 48px;
    left: -190px;
    background: radial-gradient(ellipse at center, rgba(41, 115, 236, 0.36) 0%, rgba(54, 46, 164, 0.18) 42%, transparent 70%);
    animation: aurora-drift 12s ease-in-out infinite alternate;
}

.pricing-aurora-right {
    top: 14px;
    right: -175px;
    background: radial-gradient(ellipse at center, rgba(185, 77, 245, 0.31) 0%, rgba(90, 64, 205, 0.14) 45%, transparent 70%);
    animation: aurora-drift 15s ease-in-out -5s infinite alternate-reverse;
}

.pricing-hero-content {
    display: flex;
    align-items: center;
    flex-direction: column;
    text-align: center;
}

.section-eyebrow {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0;
    color: #aab5ff;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.13em;
    line-height: 1.4;
}

.pricing-hero h1 {
    margin: 0;
    color: #fff;
    font-size: clamp(38px, 4.5vw, 58px);
    font-weight: 650;
    letter-spacing: -0.055em;
    line-height: 1.12;
}

.plan-features svg {
    width: 17px;
    height: 17px;
    color: var(--pricing-mint);
    flex: 0 0 auto;
}

.billing-switch {
    display: inline-flex;
    gap: 3px;
    padding: 4px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 999px;
    background: rgba(8, 8, 12, 0.62);
    box-shadow: inset 0 1px rgba(255, 255, 255, 0.06);
}

.billing-switch button {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 37px;
    padding: 0 15px;
    border: 0;
    border-radius: 999px;
    color: #9ea0ae;
    background: transparent;
    font-size: 14px;
    font-weight: 600;
    transition: color 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.billing-switch button.active {
    color: #fff;
    background: #2b2c38;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.billing-switch button span {
    padding: 3px 6px;
    border-radius: 999px;
    color: #102d2a;
    background: var(--pricing-mint);
    font-size: 10px;
    line-height: 1;
}

.plans-section {
    position: relative;
    z-index: 2;
    padding-bottom: 112px;
}

.plans-toolbar {
    display: flex;
    justify-content: center;
    margin-bottom: 38px;
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 36px;
    margin-bottom: 34px;
}

.section-heading h2 {
    margin: 9px 0 0;
    color: #fff;
    font-size: clamp(29px, 3vw, 43px);
    font-weight: 650;
    letter-spacing: -0.055em;
    line-height: 1.13;
}

.section-heading > p {
    max-width: 455px;
    margin: 0;
    color: var(--pricing-muted);
    font-size: 14px;
    line-height: 1.75;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 14px;
    align-items: stretch;
}

.plan-card {
    position: relative;
    display: flex;
    min-height: 568px;
    flex-direction: column;
    padding: 29px 24px 26px;
    border: 1px solid var(--pricing-line);
    border-radius: 18px;
    background:
        linear-gradient(160deg, rgba(34, 34, 43, 0.9), rgba(19, 19, 24, 0.93) 56%, rgba(16, 16, 20, 0.98));
    box-shadow: 0 16px 42px rgba(0, 0, 0, 0.16);
}

.plan-card::after {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.07), transparent 27%);
    content: "";
    pointer-events: none;
}

.plan-card.featured {
    z-index: 1;
    min-height: 592px;
    margin: -12px 0;
    padding-top: 41px;
    border-color: rgba(157, 150, 255, 0.75);
    background:
        radial-gradient(circle at 48% 0, rgba(118, 109, 255, 0.21), transparent 42%),
        linear-gradient(165deg, #28233e, #1b1a2b 57%, #15151e);
    box-shadow: 0 26px 60px rgba(52, 38, 143, 0.28);
}

.plan-featured-label {
    position: absolute;
    top: 13px;
    left: 50%;
    padding: 5px 11px;
    border: 1px solid rgba(216, 211, 255, 0.42);
    border-radius: 999px;
    color: #e3e0ff;
    background: rgba(140, 128, 255, 0.21);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.08em;
    transform: translateX(-50%);
    white-space: nowrap;
}

.plan-card-top {
    min-height: 88px;
}

.plan-name {
    margin: 0;
    color: #fff;
    font-size: 22px;
    font-weight: 650;
    letter-spacing: -0.035em;
}

.plan-summary {
    min-height: 42px;
    margin: 9px 0 0;
    color: var(--pricing-muted);
    font-size: 13px;
    line-height: 1.6;
}

.plan-price-wrap {
    margin-top: 16px;
}

.plan-price {
    color: #fff;
    font-family: "Avenir Next", "Helvetica Neue", sans-serif;
    font-size: 42px;
    font-weight: 650;
    letter-spacing: -0.06em;
    line-height: 1;
}

.plan-price-period {
    margin-left: 5px;
    color: #b2b4c1;
    font-size: 13px;
}

.plan-billing-detail {
    min-height: 20px;
    margin: 9px 0 0;
    color: #7e808f;
    font-size: 12px;
}

.plan-credits {
    display: flex;
    align-items: baseline;
    gap: 7px;
    margin-top: 25px;
}

.plan-credits strong {
    color: #eeeefd;
    font-size: 26px;
    font-weight: 650;
    letter-spacing: -0.045em;
}

.plan-credits span {
    color: #b9bbc9;
    font-size: 12px;
}

.plan-credit-note {
    min-height: 20px;
    margin: 5px 0 8px;
    color: #898b99;
    font-size: 12px;
}

.plan-capacity {
    min-height: 40px;
    margin: 0 0 14px;
    color: #c4c6d3;
    font-size: 12px;
    line-height: 1.55;
}

.plan-model-rates {
    display: grid;
    gap: 10px;
    margin-bottom: 18px;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.045);
}

.plan-card.featured .plan-model-rates {
    border-color: rgba(210, 205, 255, 0.18);
    background: rgba(255, 255, 255, 0.07);
}

.plan-model-rates-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.plan-model-rates-head strong {
    color: #f2f2f7;
    font-size: 13px;
    font-weight: 650;
}

.plan-model-rates-head span {
    color: #858897;
    font-size: 10px;
    white-space: nowrap;
}

.plan-model-rate {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 3px 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.07);
}

.plan-model-rate span {
    overflow: hidden;
    color: #cfd1dc;
    font-size: 12px;
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.plan-model-rate strong {
    color: #bfbaff;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.plan-model-rate small {
    grid-column: 1 / -1;
    color: #858897;
    font-size: 11px;
    line-height: 1.4;
}

.plan-cta {
    display: flex;
    min-height: 43px;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 10px;
    color: #e6e7ef;
    background: rgba(255, 255, 255, 0.055);
    font-size: 14px;
    font-weight: 650;
    text-decoration: none;
    transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

.plan-cta:hover {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-1px);
}

.plan-cta-featured {
    border-color: transparent;
    color: #fff;
    background: linear-gradient(120deg, #7078fb, #9c6df5);
    box-shadow: 0 10px 22px rgba(99, 92, 235, 0.24);
}

.plan-cta-featured:hover {
    border-color: transparent;
    background: linear-gradient(120deg, #8189ff, #ad79ff);
}

.plan-divider {
    height: 1px;
    margin: 25px 0 17px;
    background: rgba(255, 255, 255, 0.095);
}

.plan-includes {
    margin: 0 0 12px;
    color: #d4d5e0;
    font-size: 12px;
    font-weight: 600;
}

.plan-features {
    display: grid;
    gap: 11px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.plan-features li {
    display: flex;
    gap: 8px;
    color: #aeb0bd;
    font-size: 12px;
    line-height: 1.45;
}

.plan-features svg {
    width: 15px;
    height: 15px;
}

.business-section {
    padding: 0 0 112px;
}

.business-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.45fr) minmax(248px, 0.55fr);
    gap: 42px;
    align-items: center;
    padding: 42px 46px;
    border: 1px solid rgba(147, 157, 255, 0.26);
    border-radius: 20px;
    background:
        radial-gradient(circle at 0 0, rgba(94, 127, 255, 0.14), transparent 31rem),
        linear-gradient(120deg, rgba(34, 35, 57, 0.9), rgba(20, 20, 27, 0.96));
    box-shadow: 0 20px 56px rgba(0, 0, 0, 0.16);
}

.business-copy h2 {
    max-width: 640px;
    margin: 10px 0 0;
    color: #fff;
    font-size: clamp(28px, 3.1vw, 42px);
    font-weight: 650;
    letter-spacing: -0.055em;
    line-height: 1.16;
}

.business-copy > p:not(.section-eyebrow) {
    max-width: 700px;
    margin: 16px 0 0;
    color: var(--pricing-muted);
    font-size: 14px;
    line-height: 1.8;
}

.business-points {
    display: grid;
    gap: 10px;
    margin: 25px 0 0;
    padding: 0;
    list-style: none;
}

.business-points li {
    display: flex;
    align-items: center;
    gap: 9px;
    color: #c0c2cf;
    font-size: 13px;
    line-height: 1.5;
}

.business-points svg {
    width: 16px;
    height: 16px;
    flex: 0 0 auto;
    color: var(--pricing-mint);
}

.business-action {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    padding: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 14px;
    background: rgba(7, 7, 11, 0.34);
}

.business-action > span {
    color: #c5c2ff;
    font-size: 13px;
    font-weight: 650;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.business-action > a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    margin-top: 17px;
    padding: 0 16px;
    border-radius: 10px;
    color: #fff;
    background: linear-gradient(120deg, #6978f4, #9a6df1);
    box-shadow: 0 10px 21px rgba(85, 75, 211, 0.22);
    font-size: 14px;
    font-weight: 650;
    text-decoration: none;
    transition: transform 180ms ease, box-shadow 180ms ease;
}

.business-action > a:hover {
    box-shadow: 0 14px 28px rgba(85, 75, 211, 0.34);
    transform: translateY(-2px);
}

.business-action > a span {
    font-size: 19px;
    line-height: 1;
}

.business-action > p {
    margin: 13px 0 0;
    color: #858897;
    font-size: 11px;
    line-height: 1.55;
}

.centered-heading {
    display: block;
    max-width: 700px;
    margin-right: auto;
    margin-bottom: 38px;
    margin-left: auto;
    text-align: center;
}

.centered-heading .section-eyebrow {
    justify-content: center;
}

.centered-heading > p {
    max-width: 590px;
    margin: 13px auto 0;
}

.pricing-footer {
    padding: 33px 0 37px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: #08080b;
}

.pricing-footer .page-shell {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 22px;
}

.pricing-footer-brand {
    font-size: 16px;
}

.pricing-footer-brand img {
    width: 28px;
    height: 28px;
    border-radius: 8px;
}

.pricing-footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 17px;
}

.pricing-footer-links a,
.pricing-footer p {
    color: #727582;
    font-size: 12px;
    text-decoration: none;
}

.pricing-footer-links a:hover {
    color: #b9bdcb;
}

.pricing-footer p {
    margin: 0;
    text-align: right;
}

@keyframes aurora-drift {
    from { transform: translate3d(-8px, -4px, 0) scale(0.96); }
    to { transform: translate3d(26px, 13px, 0) scale(1.07); }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .pricing-aurora { animation: none; }
}

@media (max-width: 1024px) {
    .pricing-nav {
        padding: 7px 32px 14px;
    }

    .pricing-logo-mark {
        width: 48px;
        height: 48px;
    }
}

@media (max-width: 1100px) {
    .plans-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        max-width: 690px;
        margin: 0 auto;
    }

    .plan-card.featured {
        min-height: 568px;
        margin: 0;
        padding-top: 41px;
    }

    .business-panel {
        gap: 30px;
        padding: 38px;
    }
}

@media (max-width: 768px) {
    .page-shell {
        width: min(100% - 40px, 620px);
    }

    .pricing-nav {
        padding: 6px 24px 12px;
    }

    .pricing-logo-mark {
        width: 44px;
        height: 44px;
    }

    .pricing-nav-actions {
        gap: 6px;
    }

    .pricing-primary-nav {
        top: 22px;
        gap: 10px;
        max-width: calc(100% - 24px);
    }

    .pricing-nav-tab {
        padding: 6px 0;
        font-size: 12px;
    }

    .pricing-signin {
        padding: 4px 14px;
        font-size: 13px;
    }

    .pricing-hero {
        min-height: 226px;
        padding: 116px 0 42px;
    }

    .pricing-hero h1 {
        font-size: 38px;
    }

    .plans-section {
        padding-bottom: 76px;
    }

    .plans-toolbar {
        margin-bottom: 30px;
    }

    .business-section {
        padding-bottom: 76px;
    }

    .business-panel {
        display: block;
        padding: 32px 27px;
    }

    .business-copy h2 {
        font-size: 29px;
    }

    .business-action {
        margin-top: 27px;
        padding: 21px;
    }

    .section-heading {
        display: block;
        margin-bottom: 28px;
    }

    .section-heading > p {
        margin-top: 13px;
    }

    .plans-grid {
        grid-template-columns: 1fr;
        max-width: 440px;
    }

    .plan-card,
    .plan-card.featured {
        min-height: auto;
        padding: 27px 24px 26px;
    }

    .plan-card.featured {
        padding-top: 41px;
    }

    .pricing-footer {
        padding: 28px 0;
    }

    .pricing-footer .page-shell {
        grid-template-columns: 1fr;
        justify-items: center;
        gap: 19px;
    }

    .pricing-footer p {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .pricing-primary-nav {
        gap: 8px;
    }

    .pricing-nav-tab {
        font-size: 11px;
    }

    .pricing-language-trigger span {
        display: none;
    }
}

@media (max-width: 390px) {
    .page-shell {
        width: calc(100% - 30px);
    }

    .pricing-hero h1 {
        font-size: 34px;
    }

    .billing-switch button {
        padding: 0 11px;
    }

}