:root {
    --color-green: #197b58;
    --color-blue: #5098A3;
    --color-red: #f86849;
    --color-sand: #ebe8e0;
    --text-color: #1e1e1e;
    --font-stack: "Helvetica Neue", Helvetica, -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
    --hero-image-width: max(1246px, 85vw);
    --hero-image-height: calc(var(--hero-image-width) * 400 / 1246);
    --hero-word-top: clamp(250px, 28vh, 290px);
    --hero-word-left: 50%;
    --hero-word-size: clamp(350px, 50vw, 580px);
    --hero-image-overlap-factor: 0.22;
    --hero-image-top: calc(var(--hero-word-top) + (var(--hero-word-size) * var(--hero-image-overlap-factor)));
}

html {
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

*,
*::before,
*::after {
    box-sizing: inherit;
}

body {
    margin: 0;
    padding: 0;
    min-width: 1440px;
    color: var(--text-color);
    font-family: var(--font-stack);
    background-color: var(--color-green);
    overflow-x: auto;
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    text-decoration: underline;
    text-underline-offset: 6px;
    text-decoration-thickness: 1px;
}

img {
    display: block;
    max-width: 100%;
}

.thin-line {
    width: 100%;
    margin: 0;
    border: none;
    border-top: 1px solid rgba(30, 30, 30, 0.3);
}

.common-text {
    margin: 0;
    font-weight: 400;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.nav-text {
    font-size: 14px;
}

.section-title {
    margin-bottom: 1em;
    font-size: clamp(44px, 3.5vw, 52px);
    line-height: 1.05;
    letter-spacing: 0.05em;
}

.index-text {
    margin-bottom: 0.5em;
    font-size: clamp(24px, 2vw, 30px);
    opacity: 0.8;
}

.feature-title {
    margin: 0 0 0.8em;
    font-size: clamp(28px, 2vw, 32px);
    line-height: 1.3;
    letter-spacing: 0.05em;
}

.body-text {
    margin: 0;
    font-size: 17px;
    line-height: 1.8;
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0.02em;
    opacity: 0.85;
}

:lang(en) body {
    font-family: "Inter", var(--font-stack);
}

:lang(en) .nav-top .nav-text,
:lang(en) .pricing-price,
:lang(en) .acc-section-title,
:lang(en) .acc-tag {
    font-family: "Inter", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

:lang(en) .nav-top .nav-text {
    letter-spacing: 0.05em;
}

:lang(en) .feature-title {
    font-size: clamp(24px, 1.82vw, 29px);
    line-height: 1.28;
    letter-spacing: -0.01em;
    text-transform: none;
}

:lang(en) .hero-banner__lead {
    font-family: "Inter", var(--font-stack);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

:lang(en) .hero-banner__lead--typing {
    gap: 0.03em;
}

:lang(en) .body-text,
:lang(en) .detail-desc,
:lang(en) .acc-desc,
:lang(en) .acc-labs-summary,
:lang(en) .feature-title,
:lang(en) .pricing-link,
:lang(en) .hero-banner__cta-link {
    word-break: normal;
    overflow-wrap: break-word;
    hyphens: auto;
}

:lang(en) .body-text:not(.hero-banner__lead),
:lang(en) .detail-desc,
:lang(en) .acc-desc,
:lang(en) .acc-labs-summary {
    line-height: 1.6;
    text-align: left;
}

:lang(en) .detail-title {
    letter-spacing: 0;
}

:lang(en) .hero-banner__cta-link,
:lang(en) .pricing-link {
    font-family: "Inter", var(--font-stack);
    letter-spacing: 0.01em;
    text-transform: none;
}

:lang(en) .features-grid {
    align-items: stretch;
}

:lang(en) .feature-item {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

:lang(en) .pricing-tier {
    min-width: 0;
}

:lang(en) .pricing-link {
    width: max-content;
    max-width: none;
    padding-right: clamp(1.15rem, 1.8vw, 2.2rem);
    line-height: 1.3;
    white-space: nowrap;
    overflow-wrap: normal;
    hyphens: none;
}

:lang(en) .acc-labs-summary {
    max-width: 28ch;
}

:lang(en) .acc-tag {
    min-width: 132px;
    padding: 0.42rem 0.88rem;
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    text-align: center;
}

:lang(en) .acc-desc {
    font-size: clamp(1.4rem, 1.65vw, 1.75rem);
    letter-spacing: -0.015em;
    line-height: 1.28;
}

.structural {
    width: 100%;
    max-width: 1480px;
    margin: 0 auto;
    padding: 0 6.75%;
}

.section-block {
    width: 100%;
    padding-top: 8%;
    padding-bottom: 10%;
}

.bg-green {
    background-color: var(--color-green);
}

.bg-blue {
    background-color: var(--color-blue);
}

.bg-red {
    background-color: var(--color-red);
}

.bg-sand {
    background-color: var(--color-sand);
}

#pricing {
    position: relative;
    min-height: 100vh;
    padding-bottom: 9rem;
}

.nav-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding-top: clamp(4.5rem, 6.9vw, 7rem);
}

.nav-top .nav-element {
    flex: 0 0 auto;
    margin: 0;
}

.nav-top .nav-text {
    display: inline-block;
    font-family: Arial, Helvetica, sans-serif;
    font-size: clamp(28px, 2.15vw, 38px);
    line-height: 1;
    letter-spacing: 0;
    font-weight: 500;
    text-transform: uppercase;
    color: #111111;
}

.hero-block {
    padding-top: 0;
    overflow: hidden;
}

.hero-content {
    margin-top: 5%;
}

.hero-stage {
    position: relative;
    min-height: calc(var(--hero-image-top) + var(--hero-image-height) + 8rem);
}

.hero-banner__word {
    position: absolute;
    top: var(--hero-word-top);
    left: var(--hero-word-left);
    transform: translate(-50%, -50%); /* 关键 */

    z-index: 0;
    font-family: Arial, Helvetica, sans-serif;

    font-size: clamp(350px, 50vw, 500px); /* 字体变大 */

    font-weight: 300;
    line-height: 0.92;
    color: rgba(30, 30, 30, 0.1);
    -webkit-text-stroke: 1.5px rgba(0, 0, 0, 0.1);

    white-space: nowrap;
    pointer-events: none;
}

.hero-banner__copy {
    position: absolute;
    top: calc(clamp(11.5rem, 12.2vw, 14rem) + 55px);
    left: 50%;
    z-index: 2;
    width: 100%;
    transform: translateX(-50%);
    text-align: center;
}

.hero-banner__lead {
    width: fit-content;
    margin-top: 0;
    margin-bottom: 0;
    margin-left: auto;
    margin-right: auto;
    font-family: var(--font-stack);
    font-size: clamp(36px, calc(100vw * 42 / 1440), 42px);
    line-height: 1.2;
    text-align: center;
    letter-spacing: 0.01em;
    text-transform: none;
    color: #101010;
    font-weight: 400;
    opacity: 1;
}

.has-js .hero-banner__lead--typing {
    visibility: hidden;
}

.has-js .hero-banner__lead--typing.is-mounted {
    visibility: visible;
}

.hero-banner__lead--typing {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 0.06em;
    cursor: pointer;
    transition: opacity 0.2s ease;
    user-select: none;
}

.hero-banner__lead--typing:hover {
    opacity: 0.88;
}

.hero-banner__lead-typed,
.hero-banner__lead-composition,
.hero-banner__lead-cursor {
    white-space: nowrap;
}

.hero-banner__lead-composition {
    text-transform: none;
}

.hero-banner__lead-cursor {
    display: inline-block;
    min-width: 0.7ch;
    animation: hero-cursor-blink 1s steps(1, end) infinite;
}

@keyframes hero-cursor-blink {
    0%,
    48% {
        opacity: 1;
    }

    50%,
    100% {
        opacity: 0;
    }
}

.hero-banner__image {
    position: absolute;
    top: var(--hero-image-top);
    left: 50%;
    z-index: 1;
    width: var(--hero-image-width);
    height: var(--hero-image-height);
    overflow: hidden;
    background: transparent;
    transform: translateX(-50%);
    isolation: isolate;
}

.hero-banner__image::after {
    position: absolute;
    inset: 0;
    content: "";
    background: rgba(17, 17, 17, 0.05);
    pointer-events: none;
}

.hero-banner__image-media {
    position: absolute;
    inset: 0;
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-banner__image-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    mix-blend-mode: difference;
    opacity: 0.3;
}

.hero-banner__word {
    font-size: var(--hero-word-size);
}

.hero-banner__image::after {
    z-index: 1;
}

.hero-banner__image-canvas {
    display: none;
    mix-blend-mode: normal;
    opacity: 1;
}

.hero-banner__cta-wrap {
    position: absolute;
    top: calc(var(--hero-image-top) + var(--hero-image-height) + 3.5rem);
    left: 50%;
    z-index: 2;
    transform: translateX(-50%);
    text-align: center;
}

.hero-banner__cta-link {
    display: inline-block;
    width: fit-content;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--text-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 4em 3em;
    align-items: start;
    padding-top: 4em;
}

.feature-item {
    padding-top: 1.5em;
    border-top: 1px solid rgba(30, 30, 30, 0.3);
}

.feature-item:nth-child(1) {
    grid-column: 1 / 6;
}

.feature-item:nth-child(2) {
    grid-column: 7 / 13;
    margin-top: 6vw;
}

.feature-item:nth-child(3) {
    grid-column: 1 / 7;
    margin-top: 1vw;
}

.feature-item:nth-child(4) {
    grid-column: 8 / 13;
}

.feature-item--lowered {
    margin-top: 6vw;
}

.labs-block {
    position: relative;
    overflow: hidden;
}

.labs-block > .structural {
    position: relative;
    z-index: 1;
}

.labs-container {
    position: relative;
    display: flex;
    justify-content: space-between;
    min-height: 38rem;
}

.labs-decor-group {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.labs-decor-syr {
    position: absolute;
    right: -0.16em;
    bottom: -0.06em;
    font-family: Arial, Helvetica, sans-serif;
    font-size: clamp(260px, 20vw, 500px);
    line-height: 0.8;
    letter-spacing: -0.05em;
    color: rgba(30, 30, 30, 0.4);
    text-shadow: 0 4px 4px rgba(0, 0, 0, 0.25);
    transform: none;
    white-space: nowrap;
}

.labs-decor-syr-letter,
.labs-summary-pro-marker,
.labs-summary-pro-p,
.labs-summary-pro-ro {
    display: inline-block;
}

.labs-summary-pro-marker {
    white-space: nowrap;
}

.labs-decor-line {
    position: absolute;
    top: 6px;
    bottom: 6px;
    width: 1px;
    background: rgba(30, 30, 30, 0.24);
}

.labs-decor-line--one {
    left: var(--labs-line-one-left, 19.6%);
}

.labs-decor-line--two {
    left: var(--labs-line-two-left, 88.6%);
}

.labs-left,
.labs-right {
    position: relative;
    z-index: 1;
}

.labs-left {
    width: 35%;
}

.labs-right {
    width: 55%;
    margin-top: 4vw;
}

.labs-summary {
    max-width: 85%;
}

.lab-feature-list {
    margin: 0;
    padding: 0;
    list-style: none;
}

.lab-feature-item {
    display: flex;
    align-items: baseline;
    padding: 2.5em 0;
    border-top: 1px solid rgba(30, 30, 30, 0.3);
}

.lab-tag {
    width: 30%;
    font-size: 14px;
    opacity: 0.6;
}

.lab-desc {
    width: 70%;
    font-size: clamp(22px, 1.6vw, 24px);
    line-height: 1.5;
}

.pricing-container {
    display: flex;
    justify-content: space-between;
    gap: 8%;
    padding-top: 2%;
}

.pricing-tier {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding-top: 2em;
    border-top: 2px solid var(--text-color);
}

.pricing-tier__title {
    margin-bottom: 0.2em;
}

.pricing-price {
    margin: 0.2em 0;
    font-family: Arial, Helvetica, sans-serif;
    font-size: clamp(64px, 5vw, 74px);
    line-height: 1;
    letter-spacing: 0;
}

.pricing-intro {
    margin-top: 0.5em;
    opacity: 0.7;
}

.pricing-details {
    flex-grow: 1;
    margin-top: 3em;
    padding-top: 1.5em;
    border-top: 1px solid rgba(30, 30, 30, 0.2);
}

.pricing-details article {
    padding: 1.2em 0;
    border-bottom: 1px solid rgba(30, 30, 30, 0.1);
}

.pricing-details article:last-child {
    border-bottom: none;
}

.detail-title {
    margin: 0 0 0.4em;
    font-size: 18px;
    letter-spacing: 0.03em;
    text-transform: none;
}

.detail-desc {
    margin: 0;
    font-size: 14px;
    line-height: 1.5;
    opacity: 0.6;
    text-transform: none;
}

.pricing-link {
    display: block;
    width: fit-content;
    margin-top: 3em;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--text-color);
}

.footer-block {
    margin-top: 10%;
    padding-bottom: 0;
}

.footer-block .thin-line {
    position: absolute;
    left: 6.75%;
    right: 6.75%;
    bottom: 4.9rem;
    width: auto;
}

.footer-nav {
    padding-top: 0;
    padding-bottom: clamp(4rem, 7vw, 7rem);
    transform: rotate(180deg);
    transform-origin: center;
}

.footer-nav .nav-text {
    font-size: clamp(24px, 1.9vw, 32px);
}

.footer-row {
    display: flex;
    justify-content: space-between;
    position: absolute;
    left: 6.75%;
    right: 6.75%;
    bottom: 2.25rem;
    padding-top: 0;
    opacity: 0.5;
}

.footer-row p {
    margin: 0;
}

/* =========================================
   LAB 区块 - Adam Clarke 风格重构
   ========================================= */

.acc-labs-block {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 112vh;
    margin: 0;
    padding: 11vw 5vw 10vw;
    overflow: hidden;
    background-color: #d21e1e;
    color: #ffffff;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.acc-grid-line {
    position: absolute;
    top: 0;
    bottom: 0;
    z-index: 1;
    width: 1px;
    background-color: rgba(0, 0, 0, 0.2);
}

.acc-line-1 {
    left: 5vw;
}

.acc-line-2 {
    left: 40%;
}

.acc-line-3 {
    left: 80%;
}

.acc-giant-bg-text {
    position: absolute;
    top: 50%;
    right: -12vw;
    z-index: 0;
    display: flex;
    transform: translateY(-50%);
    color: #b81717;
    font-size: 45vw;
    font-weight: 900;
    line-height: 0.75;
    letter-spacing: -3vw;
    white-space: nowrap;
    user-select: none;
}

.acc-giant-bg-text .crop-r {
    margin-right: -5vw;
}

.acc-structural {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
}

.acc-labs-container {
    display: grid;
    /* Keep the LAB section on the same desktop composition as the fixed-width site. */
    grid-template-columns: calc(40% - 5vw) 1fr;
    gap: 5vw;
}

.acc-labs-left {
    align-self: start;
}

.acc-section-title {
    margin-top: 0;
    margin-bottom: 2rem;
    color: #111111;
    font-size: 4rem;
    font-weight: 800;
    line-height: 1;
    text-transform: uppercase;
    letter-spacing: -0.05em;
}

.acc-labs-summary {
    max-width: 85%;
    color: #ffffff;
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.6;
}

.acc-feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
    border-top: 2px solid #111111;
}

.acc-feature-item {
    display: flex;
    align-items: center;
    flex-direction: row;
    padding: 2rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.acc-feature-item:hover {
    transform: translateX(15px);
}

.acc-tag {
    display: inline-block;
    width: fit-content;
    min-width: 96px;
    margin-bottom: 0;
    margin-right: 2rem;
    padding: 0.45rem 0.95rem;
    border: 1px solid #111111;
    border-radius: 0;
    background-color: #111111;
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 700;
    line-height: 1.4;
    letter-spacing: 0.08em;
    text-align: left;
    white-space: nowrap;
}

.acc-tag-outline {
    border-color: #111111;
}

.acc-desc {
    color: #ffffff;
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}