:root {
    --sst-blue: #1769f5;
    --sst-blue-hover: #0c57da;
    --sst-blue-soft: #eaf2ff;
    --sst-cyan: #0aa9b8;
    --sst-green: #178d65;
    --sst-amber: #e99a22;
    --sst-navy: #071a38;
    --sst-navy-2: #0b254d;
    --sst-ink: #10213d;
    --sst-text: #40506a;
    --sst-muted: #758199;
    --sst-line: #dfe6f0;
    --sst-surface: #f5f8fc;
    --sst-white: #ffffff;
    --sst-container: 1200px;
    --sst-shadow: 0 24px 64px rgba(23, 55, 105, 0.14);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 74px;
}

body {
    margin: 0;
    color: var(--sst-ink);
    background: var(--sst-white);
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", system-ui, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    letter-spacing: 0;
    -webkit-font-smoothing: antialiased;
}

body.sst-menu-open {
    overflow: hidden;
}

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

a {
    color: inherit;
    text-decoration: none;
}

button,
input,
textarea,
select {
    font: inherit;
    letter-spacing: 0;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

:focus-visible {
    outline: 3px solid rgba(23, 105, 245, 0.38);
    outline-offset: 3px;
}

[hidden] {
    display: none !important;
}

.container {
    width: min(calc(100% - 48px), var(--sst-container));
    margin-inline: auto;
}

.skip-link {
    position: fixed;
    z-index: 999;
    top: 10px;
    left: 10px;
    padding: 8px 14px;
    transform: translateY(-160%);
    border-radius: 4px;
    background: var(--sst-navy);
    color: var(--sst-white);
}

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

.site-header {
    position: sticky;
    z-index: 80;
    top: 0;
    height: 74px;
    border-bottom: 1px solid rgba(16, 33, 61, 0.08);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 6px 24px rgba(16, 33, 61, 0.05);
    backdrop-filter: blur(14px);
}

.site-header > .container {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
}

.brand {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    gap: 11px;
    color: var(--sst-ink);
    font-size: 22px;
    font-weight: 800;
    line-height: 1;
}

.brand-mark {
    display: inline-grid;
    width: 38px;
    height: 38px;
    place-items: center;
    border-radius: 7px;
    background: var(--sst-blue);
    color: var(--sst-white);
    font-size: 19px;
    font-weight: 800;
}

.nav-links {
    display: flex;
    height: 100%;
    align-items: center;
    gap: 29px;
}

.nav-links > a,
.nav-group > button {
    position: relative;
    display: inline-flex;
    height: 100%;
    align-items: center;
    padding: 0;
    border: 0;
    background: transparent;
    color: #263957;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

.nav-links > a::after,
.nav-group > button::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 3px;
    content: "";
    transform: scaleX(0);
    background: var(--sst-blue);
    transition: transform 180ms ease;
}

.nav-links > a:hover,
.nav-group > button:hover {
    color: var(--sst-blue);
}

.nav-links > a:hover::after,
.nav-group > button:hover::after,
.nav-links > a.is-current::after {
    transform: scaleX(1);
}

.nav-group {
    position: relative;
    height: 100%;
}

.mega-menu {
    position: absolute;
    top: 66px;
    left: 50%;
    display: none;
    width: 440px;
    padding: 10px;
    transform: translateX(-50%);
    border: 1px solid var(--sst-line);
    border-radius: 8px;
    background: var(--sst-white);
    box-shadow: var(--sst-shadow);
}

.nav-group:hover .mega-menu,
.nav-group:focus-within .mega-menu,
.nav-group.is-open .mega-menu {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.mega-menu a {
    display: block;
    padding: 14px;
    border-radius: 6px;
}

.mega-menu a:hover {
    background: var(--sst-surface);
}

.mega-menu strong,
.mega-menu span {
    display: block;
}

.mega-menu strong {
    color: var(--sst-ink);
    font-size: 15px;
}

.mega-menu span {
    margin-top: 3px;
    color: var(--sst-muted);
    font-size: 13px;
    line-height: 1.5;
}

.nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--sst-ink);
    cursor: pointer;
}

.btn {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-primary {
    background: var(--sst-blue);
    box-shadow: 0 12px 30px rgba(23, 105, 245, 0.24);
    color: var(--sst-white);
}

.btn-primary:hover {
    background: var(--sst-blue-hover);
}

.btn-outline {
    border-color: #b9c8dc;
    color: var(--sst-ink);
}

.btn-outline:hover {
    border-color: var(--sst-blue);
    color: var(--sst-blue);
}

.btn-text {
    padding-inline: 10px;
    color: var(--sst-blue);
}

.btn-text:hover {
    background: var(--sst-blue-soft);
}

.btn-light {
    background: var(--sst-white);
    color: var(--sst-blue-hover);
}

.btn-dark-outline {
    border-color: rgba(255, 255, 255, 0.38);
    color: var(--sst-white);
}

.btn-dark-outline:hover {
    border-color: var(--sst-white);
    background: rgba(255, 255, 255, 0.08);
}

.sst-section {
    padding: 104px 0;
}

.sst-section-head {
    margin-bottom: 46px;
}

.sst-section-head h2 {
    margin: 10px 0 0;
    color: var(--sst-ink);
    font-size: 40px;
    font-weight: 780;
    line-height: 1.28;
    letter-spacing: 0;
}

.sst-section-head > p,
.sst-section-head__aside p {
    margin: 16px 0 0;
    color: var(--sst-text);
    font-size: 17px;
    line-height: 1.85;
}

.sst-section-head--center {
    max-width: 760px;
    margin-right: auto;
    margin-left: auto;
    text-align: center;
}

.sst-section-head--split {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.7fr);
    align-items: end;
    gap: 72px;
}

.sst-section-head--split > p,
.sst-section-head--split .sst-section-head__aside p {
    margin: 0;
}

.sst-section-head--compact {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 24px;
}

.sst-section-head--compact h2 {
    margin: 0;
    font-size: 27px;
}

.sst-section-head--compact p {
    max-width: 590px;
    margin: 0;
    font-size: 15px;
}

.sst-section-mark {
    color: var(--sst-blue);
    font-size: 14px;
    font-weight: 750;
}

.sst-inline-link {
    display: inline-flex;
    align-items: center;
    margin-top: 22px;
    color: var(--sst-blue);
    font-size: 15px;
    font-weight: 750;
}

.sst-inline-link::after {
    margin-left: 9px;
    content: "\2192";
    font-size: 18px;
    transition: transform 180ms ease;
}

.sst-inline-link:hover::after {
    transform: translateX(4px);
}

.sst-hero {
    position: relative;
    min-height: 724px;
    overflow: hidden;
    border-bottom: 1px solid #dce6f4;
    background:
        linear-gradient(180deg, rgba(235, 244, 255, 0.92), rgba(255, 255, 255, 0.98)),
        var(--sst-white);
}

.sst-hero::before {
    position: absolute;
    inset: 0;
    content: "";
    opacity: 0.55;
    background-image:
        linear-gradient(rgba(23, 105, 245, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(23, 105, 245, 0.06) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: linear-gradient(90deg, transparent, #000 42%, #000 100%);
}

.sst-hero__inner {
    position: relative;
    z-index: 1;
    display: grid;
    min-height: 724px;
    grid-template-columns: minmax(430px, 0.85fr) minmax(560px, 1.15fr);
    align-items: center;
    gap: 56px;
    padding-top: 70px;
    padding-bottom: 64px;
}

.sst-hero__copy {
    padding-bottom: 18px;
}

.sst-hero__copy h1 {
    margin: 0;
    color: var(--sst-ink);
    font-size: 62px;
    font-weight: 820;
    line-height: 1.14;
    letter-spacing: 0;
}

.sst-hero__copy h1 span {
    display: block;
    margin-bottom: 14px;
    color: var(--sst-blue);
    font-size: 25px;
    line-height: 1.2;
}

.sst-hero__lead {
    margin: 24px 0 0;
    color: #203755;
    font-size: 23px;
    font-weight: 650;
    line-height: 1.55;
}

.sst-hero__description {
    max-width: 600px;
    margin: 17px 0 0;
    color: var(--sst-text);
    font-size: 16px;
    line-height: 1.9;
}

.sst-hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 29px;
}

.sst-hero__facts {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
    margin: 35px 0 0;
    padding-top: 23px;
    border-top: 1px solid #cddbeb;
}

.sst-hero__facts div {
    min-width: 0;
}

.sst-hero__facts dt {
    color: var(--sst-ink);
    font-size: 14px;
    font-weight: 750;
}

.sst-hero__facts dd {
    margin: 4px 0 0;
    color: var(--sst-muted);
    font-size: 12px;
    line-height: 1.55;
}

.sst-hero__visual {
    position: relative;
    min-width: 0;
    padding: 44px 10px 66px 0;
}

.sst-browser {
    margin: 0;
    overflow: hidden;
    border: 1px solid #dce4ef;
    border-radius: 8px;
    background: var(--sst-white);
    box-shadow: var(--sst-shadow);
}

.sst-browser__bar {
    display: flex;
    height: 42px;
    align-items: center;
    gap: 7px;
    padding: 0 15px;
    border-bottom: 1px solid #e6ebf2;
    background: #f8fafc;
}

.sst-browser__bar span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #c8d1de;
}

.sst-browser__bar span:nth-child(1) { background: #f18d86; }
.sst-browser__bar span:nth-child(2) { background: #eab955; }
.sst-browser__bar span:nth-child(3) { background: #65bd88; }

.sst-browser__bar b {
    min-width: 0;
    margin-left: 7px;
    overflow: hidden;
    color: #7c899e;
    font-size: 11px;
    font-weight: 600;
    line-height: 1;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sst-browser__canvas {
    position: relative;
    overflow: hidden;
    background: #eef3f9;
}

.sst-browser__canvas img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.sst-browser figcaption,
.sst-device-stage figcaption,
.sst-phone figcaption {
    position: absolute;
    overflow: hidden;
    width: 1px;
    height: 1px;
    padding: 0;
    border: 0;
    margin: -1px;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
}

.sst-browser--hero {
    transform: perspective(1300px) rotateY(-4deg) rotateX(1deg);
    transform-origin: center right;
}

.sst-browser--hero .sst-browser__canvas {
    aspect-ratio: 16 / 9;
}

.sst-phone {
    margin: 0;
    overflow: hidden;
    border: 6px solid #122342;
    border-radius: 26px;
    background: #122342;
    box-shadow: 0 24px 50px rgba(10, 35, 75, 0.23);
}

.sst-phone__speaker {
    position: absolute;
    z-index: 2;
    top: 8px;
    left: 50%;
    width: 38px;
    height: 4px;
    transform: translateX(-50%);
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.62);
}

.sst-phone__screen {
    position: relative;
    height: 100%;
    overflow: hidden;
    border-radius: 19px;
    background: var(--sst-white);
}

.sst-phone__screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
}

.sst-phone--hero {
    position: absolute;
    right: -8px;
    bottom: 10px;
    width: 148px;
    height: 292px;
}

.sst-order-line {
    position: absolute;
    bottom: 10px;
    left: 20px;
    display: flex;
    min-height: 54px;
    align-items: center;
    padding: 0 174px 0 18px;
    border: 1px solid #d8e3f1;
    border-radius: 7px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 15px 34px rgba(23, 55, 105, 0.11);
    color: #40516b;
    font-size: 12px;
    font-weight: 650;
    white-space: nowrap;
}

.sst-order-line i {
    width: 20px;
    height: 1px;
    margin: 0 8px;
    background: #9fb3cf;
}

.sst-entry {
    padding: 42px 0 48px;
    border-bottom: 1px solid var(--sst-line);
    background: var(--sst-white);
}

.sst-entry__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border: 1px solid var(--sst-line);
    border-radius: 8px;
    background: var(--sst-white);
}

.sst-entry__grid > a {
    position: relative;
    min-width: 0;
    padding: 25px 27px 24px;
    transition: background-color 180ms ease;
}

.sst-entry__grid > a + a {
    border-left: 1px solid var(--sst-line);
}

.sst-entry__grid > a:hover {
    background: var(--sst-surface);
}

.sst-entry__type {
    color: var(--sst-blue);
    font-size: 13px;
    font-weight: 750;
}

.sst-entry__grid strong,
.sst-entry__grid p,
.sst-entry__grid b {
    display: block;
}

.sst-entry__grid strong {
    margin-top: 7px;
    color: var(--sst-ink);
    font-size: 18px;
    line-height: 1.5;
}

.sst-entry__grid p {
    min-height: 48px;
    margin: 9px 0 0;
    color: var(--sst-muted);
    font-size: 14px;
    line-height: 1.7;
}

.sst-entry__grid b {
    margin-top: 13px;
    color: #2d4162;
    font-size: 13px;
}

.sst-terminals {
    background: var(--sst-surface);
}

.sst-tabs {
    border-radius: 8px;
    background: var(--sst-white);
    box-shadow: 0 18px 52px rgba(23, 55, 105, 0.1);
}

.sst-tabs__list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-bottom: 1px solid var(--sst-line);
}

.sst-tabs__list button {
    position: relative;
    min-height: 66px;
    padding: 0 18px;
    border: 0;
    background: transparent;
    color: var(--sst-muted);
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
}

.sst-tabs__list button::after {
    position: absolute;
    right: 26%;
    bottom: -1px;
    left: 26%;
    height: 3px;
    content: "";
    transform: scaleX(0);
    background: var(--sst-blue);
    transition: transform 180ms ease;
}

.sst-tabs__list button.is-active {
    color: var(--sst-blue);
}

.sst-tabs__list button.is-active::after {
    transform: scaleX(1);
}

.sst-terminal-panel {
    display: grid;
    min-height: 500px;
    grid-template-columns: minmax(310px, 0.72fr) minmax(0, 1.28fr);
    align-items: center;
    gap: 62px;
    padding: 58px 58px 62px;
}

.sst-terminal-panel__copy > span {
    color: var(--sst-blue);
    font-size: 13px;
    font-weight: 750;
}

.sst-terminal-panel__copy h3 {
    margin: 9px 0 0;
    font-size: 30px;
    line-height: 1.38;
}

.sst-terminal-panel__copy > p {
    margin: 16px 0 0;
    color: var(--sst-text);
    font-size: 15px;
}

.sst-terminal-panel__copy ul,
.sst-solution-grid ul {
    padding: 0;
    margin: 19px 0 0;
    list-style: none;
}

.sst-terminal-panel__copy li,
.sst-solution-grid li {
    position: relative;
    padding-left: 18px;
    color: #42536e;
    font-size: 14px;
}

.sst-terminal-panel__copy li + li,
.sst-solution-grid li + li {
    margin-top: 7px;
}

.sst-terminal-panel__copy li::before,
.sst-solution-grid li::before {
    position: absolute;
    top: 0.77em;
    left: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--sst-cyan);
    content: "";
}

.sst-browser--panel {
    box-shadow: 0 18px 44px rgba(23, 55, 105, 0.13);
}

.sst-browser--panel .sst-browser__canvas {
    aspect-ratio: 16 / 9;
}

.sst-device-stage {
    display: grid;
    min-height: 392px;
    margin: 0;
    place-items: center;
    border-radius: 8px;
    background: linear-gradient(145deg, #e9f2ff, #f8fbff 62%, #edf7f7);
}

.sst-phone--panel {
    position: relative;
    width: 190px;
    height: 374px;
}

.sst-loop {
    overflow: hidden;
    background: var(--sst-navy);
    color: rgba(255, 255, 255, 0.74);
}

.sst-section-head--light h2,
.sst-loop h3 {
    color: var(--sst-white);
}

.sst-section-head--light > p {
    color: rgba(255, 255, 255, 0.65);
}

.sst-section-head--light .sst-section-mark {
    color: #69b9ff;
}

.sst-loop__rail {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid rgba(255, 255, 255, 0.19);
    border-bottom: 1px solid rgba(255, 255, 255, 0.19);
}

.sst-loop__rail::before {
    position: absolute;
    top: -2px;
    left: 0;
    width: 25%;
    height: 3px;
    background: #4ca5ff;
    content: "";
}

.sst-loop__rail > div {
    min-width: 0;
    padding: 29px 27px 31px 0;
}

.sst-loop__rail > div + div {
    padding-left: 27px;
    border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.sst-loop__rail span,
.sst-loop__rail strong,
.sst-loop__rail p {
    display: block;
}

.sst-loop__rail span {
    color: #72cbd1;
    font-size: 13px;
    font-weight: 750;
}

.sst-loop__rail strong {
    margin-top: 7px;
    color: var(--sst-white);
    font-size: 18px;
}

.sst-loop__rail p {
    margin: 8px 0 0;
    color: rgba(255, 255, 255, 0.58);
    font-size: 13px;
}

.sst-capability-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.sst-capability-grid article {
    min-width: 0;
    padding: 28px;
    border-right: 1px solid rgba(255, 255, 255, 0.14);
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.sst-capability-grid span {
    display: inline-block;
    min-width: 44px;
    padding-bottom: 6px;
    border-bottom: 2px solid #46a5ff;
    color: #76baff;
    font-size: 12px;
    font-weight: 750;
}

.sst-capability-grid h3 {
    margin: 19px 0 0;
    font-size: 19px;
}

.sst-capability-grid p {
    margin: 8px 0 0;
    color: rgba(255, 255, 255, 0.58);
    font-size: 14px;
}

.sst-solutions {
    background: var(--sst-white);
}

.sst-solution-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--sst-line);
    border-left: 1px solid var(--sst-line);
}

.sst-solution-grid article {
    min-width: 0;
    padding: 38px 34px 39px;
    border-right: 1px solid var(--sst-line);
    border-bottom: 1px solid var(--sst-line);
}

.sst-solution-grid article > span {
    color: var(--sst-blue);
    font-size: 13px;
    font-weight: 750;
}

.sst-solution-grid h3 {
    min-height: 90px;
    margin: 13px 0 0;
    color: var(--sst-ink);
    font-size: 23px;
    line-height: 1.45;
}

.sst-solution-grid article > p {
    min-height: 84px;
    margin: 16px 0 0;
    color: var(--sst-text);
    font-size: 15px;
}

.sst-saas {
    overflow: hidden;
    background: #0b2550;
    color: rgba(255, 255, 255, 0.72);
}

.sst-saas__inner {
    display: grid;
    grid-template-columns: minmax(380px, 0.86fr) minmax(520px, 1.14fr);
    align-items: center;
    gap: 66px;
}

.sst-saas .sst-section-mark {
    color: #67b7ff;
}

.sst-saas h2 {
    margin: 11px 0 0;
    color: var(--sst-white);
    font-size: 40px;
    line-height: 1.3;
}

.sst-saas__copy > p {
    margin: 17px 0 0;
    color: rgba(255, 255, 255, 0.67);
    font-size: 16px;
}

.sst-saas__features {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    margin-top: 28px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.sst-saas__features > div {
    min-width: 0;
    padding: 17px 18px;
    border-right: 1px solid rgba(255, 255, 255, 0.14);
    border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.sst-saas__features strong,
.sst-saas__features span {
    display: block;
}

.sst-saas__features strong {
    color: var(--sst-white);
    font-size: 14px;
}

.sst-saas__features span {
    margin-top: 5px;
    color: rgba(255, 255, 255, 0.52);
    font-size: 12px;
    line-height: 1.55;
}

.sst-saas__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 29px;
}

.sst-browser--dark {
    border-color: rgba(255, 255, 255, 0.13);
    background: #101e35;
    box-shadow: 0 28px 64px rgba(0, 7, 24, 0.32);
}

.sst-browser--dark .sst-browser__bar {
    border-color: rgba(255, 255, 255, 0.1);
    background: #142846;
}

.sst-browser--dark .sst-browser__bar b {
    color: rgba(255, 255, 255, 0.48);
}

.sst-browser--dark .sst-browser__canvas {
    aspect-ratio: 16 / 10;
}

.sst-catalog {
    background: var(--sst-surface);
}

.sst-catalog__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.sst-catalog__grid > a {
    display: flex;
    min-width: 0;
    min-height: 220px;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--sst-line);
    border-radius: 8px;
    background: var(--sst-white);
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.sst-catalog__grid > a:hover {
    transform: translateY(-4px);
    border-color: #b8cdf0;
    box-shadow: 0 18px 40px rgba(23, 55, 105, 0.1);
}

.sst-catalog__grid img {
    width: 100%;
    aspect-ratio: 16 / 8;
    object-fit: cover;
    object-position: top center;
    border-bottom: 1px solid var(--sst-line);
    background: #eef3f8;
}

.sst-catalog__grid > a > div {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 25px;
}

.sst-catalog__grid span,
.sst-article-grid span {
    color: var(--sst-blue);
    font-size: 12px;
    font-weight: 750;
}

.sst-catalog__grid h3,
.sst-article-grid h3 {
    margin: 9px 0 0;
    color: var(--sst-ink);
    font-size: 21px;
    line-height: 1.48;
}

.sst-catalog__grid p,
.sst-article-grid p {
    margin: 11px 0 0;
    color: var(--sst-text);
    font-size: 14px;
}

.sst-catalog__grid b,
.sst-article-grid b {
    display: block;
    margin-top: auto;
    padding-top: 19px;
    color: var(--sst-blue);
    font-size: 13px;
}

.sst-service {
    background: var(--sst-white);
}

.sst-service__steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding: 0;
    border-top: 1px solid var(--sst-line);
    margin: 0;
    list-style: none;
}

.sst-service__steps li {
    position: relative;
    min-width: 0;
    padding: 31px 26px 28px 0;
}

.sst-service__steps li + li {
    padding-left: 26px;
    border-left: 1px solid var(--sst-line);
}

.sst-service__steps span {
    display: block;
    color: var(--sst-blue);
    font-size: 13px;
    font-weight: 750;
}

.sst-service__steps strong {
    display: block;
    margin-top: 10px;
    color: var(--sst-ink);
    font-size: 19px;
}

.sst-service__steps p {
    margin: 8px 0 0;
    color: var(--sst-text);
    font-size: 14px;
}

.sst-service__note {
    margin: 17px 0 0;
    color: var(--sst-muted);
    font-size: 12px;
}

.sst-knowledge {
    background: var(--sst-surface);
}

.sst-section-head__aside .sst-inline-link {
    margin-top: 10px;
}

.sst-article-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.sst-article-grid article {
    min-width: 0;
}

.sst-article-grid a {
    display: flex;
    min-height: 276px;
    flex-direction: column;
    padding: 30px;
    border: 1px solid var(--sst-line);
    border-radius: 8px;
    background: var(--sst-white);
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.sst-article-grid a:hover {
    transform: translateY(-4px);
    border-color: #b8cdf0;
    box-shadow: 0 18px 40px rgba(23, 55, 105, 0.1);
}

.sst-final-cta {
    padding: 57px 0;
    background: var(--sst-blue);
    color: var(--sst-white);
}

.sst-final-cta__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.sst-final-cta h2 {
    margin: 0;
    color: var(--sst-white);
    font-size: 31px;
    line-height: 1.4;
}

.sst-final-cta p {
    margin: 9px 0 0;
    color: rgba(255, 255, 255, 0.75);
    font-size: 15px;
}

.sst-final-cta__actions {
    display: flex;
    flex: 0 0 auto;
    gap: 10px;
}

.site-footer {
    padding: 62px 0 28px;
    background: #06152e;
    color: rgba(255, 255, 255, 0.58);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr repeat(3, minmax(130px, 0.6fr));
    gap: 46px;
}

.footer-grid h2,
.footer-grid h3 {
    margin: 0;
    color: var(--sst-white);
}

.footer-grid h2 {
    font-size: 22px;
}

.footer-grid h3 {
    font-size: 14px;
}

.footer-grid p,
.footer-grid a {
    font-size: 13px;
}

.footer-grid p {
    max-width: 320px;
    margin: 12px 0 0;
}

.footer-grid a {
    display: block;
    margin-top: 9px;
}

.footer-grid a:hover {
    color: var(--sst-white);
}

.footer-bottom {
    margin-top: 40px;
    padding-top: 22px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.4);
    font-size: 12px;
}

@media (max-width: 1100px) {
    .nav-links {
        gap: 20px;
    }

    .sst-hero__inner {
        grid-template-columns: minmax(390px, 0.84fr) minmax(470px, 1.16fr);
        gap: 34px;
    }

    .sst-hero__copy h1 {
        font-size: 54px;
    }

    .sst-phone--hero {
        right: -3px;
        width: 128px;
        height: 254px;
    }

    .sst-order-line {
        padding-right: 144px;
    }

    .sst-saas__inner {
        grid-template-columns: minmax(360px, 0.9fr) minmax(440px, 1.1fr);
        gap: 42px;
    }
}

@media (max-width: 920px) {
    .container {
        width: min(calc(100% - 36px), var(--sst-container));
    }

    .site-header .btn-outline {
        display: none;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .nav-links {
        position: fixed;
        z-index: 79;
        top: 74px;
        right: 0;
        bottom: 0;
        left: 0;
        display: none;
        height: auto;
        align-items: stretch;
        flex-direction: column;
        gap: 0;
        padding: 16px 22px 40px;
        overflow-y: auto;
        background: var(--sst-white);
    }

    .nav-links.is-open {
        display: flex;
    }

    .nav-links > a,
    .nav-group,
    .nav-group > button {
        width: 100%;
        height: auto;
    }

    .nav-links > a,
    .nav-group > button {
        min-height: 54px;
        justify-content: flex-start;
        border-bottom: 1px solid var(--sst-line);
        font-size: 16px;
    }

    .nav-links > a::after,
    .nav-group > button::after {
        display: none;
    }

    .mega-menu,
    .nav-group:hover .mega-menu,
    .nav-group:focus-within .mega-menu,
    .nav-group.is-open .mega-menu {
        position: static;
        display: none;
        width: 100%;
        padding: 5px 0 10px;
        transform: none;
        border: 0;
        box-shadow: none;
    }

    .nav-group.is-open .mega-menu {
        display: grid;
    }

    .sst-section {
        padding: 82px 0;
    }

    .sst-section-head h2,
    .sst-saas h2 {
        font-size: 34px;
    }

    .sst-hero,
    .sst-hero__inner {
        min-height: auto;
    }

    .sst-hero__inner {
        grid-template-columns: 1fr;
        gap: 30px;
        padding-top: 66px;
        padding-bottom: 58px;
    }

    .sst-hero__copy {
        max-width: 670px;
        padding: 0;
    }

    .sst-hero__copy h1 {
        font-size: 55px;
    }

    .sst-hero__visual {
        width: min(100%, 720px);
        margin-inline: auto;
    }

    .sst-entry__grid,
    .sst-solution-grid,
    .sst-catalog__grid,
    .sst-article-grid {
        grid-template-columns: 1fr;
    }

    .sst-entry__grid > a + a {
        border-top: 1px solid var(--sst-line);
        border-left: 0;
    }

    .sst-entry__grid p,
    .sst-solution-grid h3,
    .sst-solution-grid article > p {
        min-height: 0;
    }

    .sst-entry__grid > a {
        padding: 24px;
    }

    .sst-terminal-panel {
        grid-template-columns: 1fr;
        gap: 34px;
        padding: 42px;
    }

    .sst-terminal-panel__copy {
        max-width: 620px;
    }

    .sst-loop__rail,
    .sst-service__steps {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sst-loop__rail > div:nth-child(3),
    .sst-loop__rail > div:nth-child(4),
    .sst-service__steps li:nth-child(3),
    .sst-service__steps li:nth-child(4) {
        border-top: 1px solid rgba(255, 255, 255, 0.14);
    }

    .sst-service__steps li:nth-child(3),
    .sst-service__steps li:nth-child(4) {
        border-top-color: var(--sst-line);
    }

    .sst-loop__rail > div:nth-child(3),
    .sst-service__steps li:nth-child(3) {
        padding-left: 0;
        border-left: 0;
    }

    .sst-capability-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sst-solution-grid article {
        padding: 31px;
    }

    .sst-saas__inner {
        grid-template-columns: 1fr;
    }

    .sst-browser--dark {
        width: min(100%, 720px);
    }

    .sst-final-cta__inner {
        align-items: flex-start;
        flex-direction: column;
        gap: 28px;
    }

    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .container {
        width: calc(100% - 32px);
    }

    .site-header {
        height: 66px;
    }

    .site-header > .container {
        gap: 12px;
    }

    .brand {
        font-size: 20px;
    }

    .brand-mark {
        width: 34px;
        height: 34px;
        font-size: 17px;
    }

    .nav-links {
        top: 66px;
    }

    .sst-section {
        padding: 66px 0;
    }

    .sst-section-head {
        margin-bottom: 31px;
    }

    .sst-section-head h2,
    .sst-saas h2 {
        font-size: 29px;
        line-height: 1.35;
    }

    .sst-section-head > p,
    .sst-section-head__aside p {
        font-size: 15px;
    }

    .sst-section-head--split,
    .sst-section-head--compact {
        display: block;
    }

    .sst-section-head--split > p,
    .sst-section-head--split .sst-section-head__aside,
    .sst-section-head--compact p {
        margin-top: 14px;
    }

    .sst-section-head--compact h2 {
        font-size: 24px;
    }

    .sst-hero__inner {
        gap: 26px;
        padding-top: 49px;
        padding-bottom: 48px;
    }

    .sst-hero__copy h1 {
        font-size: 44px;
        line-height: 1.18;
    }

    .sst-hero__copy h1 span {
        margin-bottom: 11px;
        font-size: 21px;
    }

    .sst-hero__lead {
        margin-top: 19px;
        font-size: 19px;
    }

    .sst-hero__description {
        font-size: 15px;
    }

    .sst-hero__actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .sst-hero__actions .btn {
        min-width: 0;
        padding: 0 12px;
        font-size: 14px;
    }

    .sst-hero__facts {
        grid-template-columns: 1fr;
        gap: 10px;
        margin-top: 27px;
        padding-top: 18px;
    }

    .sst-hero__facts div {
        display: grid;
        grid-template-columns: 92px 1fr;
        align-items: baseline;
        gap: 8px;
    }

    .sst-hero__facts dd {
        margin: 0;
    }

    .sst-hero__visual {
        padding: 24px 0 128px;
    }

    .sst-browser--hero {
        transform: none;
    }

    .sst-browser__bar {
        height: 34px;
        padding-inline: 11px;
    }

    .sst-browser__bar span {
        width: 6px;
        height: 6px;
    }

    .sst-phone--hero {
        right: 8px;
        bottom: 0;
        width: 106px;
        height: 208px;
        border-width: 4px;
        border-radius: 20px;
    }

    .sst-phone__screen {
        border-radius: 14px;
    }

    .sst-order-line {
        right: 60px;
        bottom: 26px;
        left: 0;
        min-height: 50px;
        padding: 8px 66px 8px 12px;
        flex-wrap: wrap;
        align-content: center;
        white-space: normal;
    }

    .sst-order-line span {
        font-size: 10px;
    }

    .sst-order-line i {
        width: 8px;
        margin-inline: 4px;
    }

    .sst-entry {
        padding: 42px 0;
    }

    .sst-tabs__list button {
        min-height: 58px;
        padding-inline: 6px;
        font-size: 14px;
    }

    .sst-tabs__list button::after {
        right: 15%;
        left: 15%;
    }

    .sst-terminal-panel {
        min-height: 0;
        gap: 27px;
        padding: 28px 20px 30px;
    }

    .sst-terminal-panel__copy h3 {
        font-size: 25px;
    }

    .sst-device-stage {
        min-height: 350px;
    }

    .sst-phone--panel {
        width: 166px;
        height: 326px;
    }

    .sst-loop__rail,
    .sst-capability-grid,
    .sst-service__steps,
    .sst-saas__features {
        grid-template-columns: 1fr;
    }

    .sst-loop__rail::before {
        width: 100%;
    }

    .sst-loop__rail > div,
    .sst-loop__rail > div + div,
    .sst-loop__rail > div:nth-child(3),
    .sst-loop__rail > div:nth-child(4) {
        padding: 22px 0;
        border-top: 1px solid rgba(255, 255, 255, 0.14);
        border-left: 0;
    }

    .sst-loop__rail > div:first-child {
        border-top: 0;
    }

    .sst-capability-grid article {
        padding: 24px 21px;
    }

    .sst-solution-grid article {
        padding: 28px 23px;
    }

    .sst-saas__inner {
        gap: 35px;
    }

    .sst-saas__features > div {
        padding: 16px;
    }

    .sst-saas__actions,
    .sst-final-cta__actions {
        display: grid;
        width: 100%;
        grid-template-columns: 1fr 1fr;
    }

    .sst-saas__actions .btn,
    .sst-final-cta__actions .btn {
        min-width: 0;
        padding-inline: 11px;
        font-size: 13px;
    }

    .sst-service__steps li,
    .sst-service__steps li + li,
    .sst-service__steps li:nth-child(3),
    .sst-service__steps li:nth-child(4) {
        padding: 22px 0;
        border-top: 1px solid var(--sst-line);
        border-left: 0;
    }

    .sst-service__steps li:first-child {
        border-top: 0;
    }

    .sst-catalog__grid,
    .sst-article-grid {
        gap: 12px;
    }

    .sst-article-grid a {
        min-height: 238px;
        padding: 25px;
    }

    .sst-final-cta {
        padding: 49px 0;
    }

    .sst-final-cta h2 {
        font-size: 27px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 34px 24px;
    }

    .footer-grid > div:first-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 380px) {
    .container {
        width: calc(100% - 24px);
    }

    .sst-hero__copy h1 {
        font-size: 39px;
    }

    .sst-hero__actions,
    .sst-saas__actions,
    .sst-final-cta__actions {
        grid-template-columns: 1fr;
    }

    .sst-tabs__list button {
        min-height: 54px;
        font-size: 13px;
    }

    .sst-order-line {
        display: none;
    }

    .sst-hero__visual {
        padding-bottom: 112px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }

    .footer-grid > div:first-child {
        grid-column: auto;
    }
}

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

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}