:root {
    --t4-primary: #2b7fff;
    --t4-primary-deep: #1d67db;
    --t4-accent: #19c0dd;
    --t4-ink: #12243d;
    --t4-text: #4f6784;
    --t4-muted: #7c94b0;
    --t4-line: rgba(82, 118, 167, 0.18);
    --t4-bg: #f4f9ff;
    --t4-surface: rgba(255, 255, 255, 0.92);
    --t4-surface-strong: #ffffff;
    --t4-shadow: 0 18px 52px rgba(36, 84, 153, 0.12);
    --t4-shadow-soft: 0 12px 34px rgba(61, 113, 193, 0.08);
    --t4-radius: 28px;
    --t4-radius-md: 20px;
    --t4-radius-sm: 14px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    min-width: 320px;
    font-family: "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    color: var(--t4-ink);
    background:
        radial-gradient(circle at 12% 10%, rgba(88, 181, 255, 0.16), transparent 28%),
        radial-gradient(circle at 85% 12%, rgba(46, 140, 255, 0.16), transparent 24%),
        linear-gradient(180deg, #f7fbff 0%, #eef5ff 100%);
}

body.t4-menu-open {
    overflow: hidden;
}

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

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

.t4-page {
    position: relative;
    overflow: hidden;
}

.t4-orb {
    position: absolute;
    z-index: 0;
    filter: blur(4px);
    pointer-events: none;
}

.t4-orb-a {
    top: 110px;
    left: -120px;
    width: 340px;
    height: 340px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(61, 169, 255, 0.22) 0%, rgba(61, 169, 255, 0.02) 72%);
}

.t4-orb-b {
    top: 520px;
    right: -140px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(40, 136, 255, 0.18) 0%, rgba(40, 136, 255, 0.02) 74%);
}

.t4-grid-mask {
    position: absolute;
    inset: 0;
    z-index: 0;
    background-image:
        linear-gradient(rgba(129, 166, 216, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(129, 166, 216, 0.08) 1px, transparent 1px);
    background-size: 36px 36px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.38), transparent 78%);
    pointer-events: none;
}

.t4-container {
    position: relative;
    z-index: 1;
    width: min(1200px, calc(100% - 32px));
    margin: 0 auto;
}

.t4-header {
    position: sticky;
    top: 0;
    z-index: 50;
    padding: 18px 0;
    backdrop-filter: blur(14px);
    background: linear-gradient(180deg, rgba(248, 251, 255, 0.92), rgba(248, 251, 255, 0.68));
    border-bottom: 1px solid rgba(124, 152, 193, 0.12);
}

.t4-header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
}

.t4-brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}


.t4-brand-logo img {
    max-height: 34px;
    width: auto;
}

.t4-brand-text {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
}

.t4-brand-text strong {
    font-size: 18px;
    line-height: 1.1;
    color: var(--t4-ink);
    white-space: nowrap;
}

.t4-brand-text small {
    color: var(--t4-muted);
    font-size: 12px;
    letter-spacing: 0.08em;
}

.t4-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    flex: 1;
    min-width: 0;
}

.t4-nav a {
    position: relative;
    padding: 12px 12px;
    border-radius: 999px;
    color: var(--t4-text);
    font-size: 14px;
    transition: 0.25s ease;
}

.t4-nav a.is-active,
.t4-nav a:hover {
    color: var(--t4-primary-deep);
    background: rgba(255, 255, 255, 0.74);
}

.t4-header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: auto;
}

.t4-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 20px;
    border-radius: 14px;
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
    transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, color 0.25s ease, border-color 0.25s ease;
}

.t4-btn:hover {
    transform: translateY(-2px);
}

.t4-btn-primary {
    color: #fff;
    background: linear-gradient(135deg, var(--t4-primary) 0%, #4da3ff 100%);
    box-shadow: 0 16px 32px rgba(43, 127, 255, 0.28);
}

.t4-btn-primary:hover {
    box-shadow: 0 20px 40px rgba(43, 127, 255, 0.34);
}

.t4-btn-muted,
.t4-btn-ghost,
.t4-btn-outline {
    color: var(--t4-primary-deep);
    background: rgba(255, 255, 255, 0.92);
    border-color: rgba(95, 140, 204, 0.2);
    box-shadow: var(--t4-shadow-soft);
}

.t4-btn-ghost {
    background: rgba(255, 255, 255, 0.62);
}

.t4-btn-outline {
    width: 100%;
}

.t4-menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    border: 1px solid rgba(95, 140, 204, 0.22);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.92);
    padding: 11px;
    box-shadow: var(--t4-shadow-soft);
    cursor: pointer;
}

.t4-menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    margin: 5px 0;
    background: var(--t4-ink);
    border-radius: 999px;
}

.t4-hero {
    position: relative;
    padding: 44px 0 26px;
}

.t4-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
    gap: 42px;
    align-items: center;
}

.t4-kicker,
.t4-section-kicker {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(107, 149, 210, 0.18);
    color: var(--t4-primary-deep);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    box-shadow: var(--t4-shadow-soft);
}

.t4-hero-copy h1 {
    margin: 0 0 18px;
    font-size: clamp(36px, 5vw, 58px);
    line-height: 1.08;
    letter-spacing: -0.04em;
}

.t4-hero-copy p {
    margin: 0;
    max-width: 620px;
    color: var(--t4-text);
    font-size: 16px;
    line-height: 1.9;
}

.t4-hero-points {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 12px;
    max-width: 720px;
}

.t4-hero-points li {
    position: relative;
    padding-left: 24px;
    color: var(--t4-ink);
    font-size: 16px;
    line-height: 1.85;
}

.t4-hero-points li:before {
    content: "";
    position: absolute;
    left: 0;
    top: 11px;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    border: 2px solid var(--t4-primary);
}

.t4-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 28px;
}

.t4-highlight-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-top: 26px;
}

.t4-highlight-list span {
    display: block;
    padding: 14px 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid rgba(105, 140, 195, 0.16);
    color: var(--t4-text);
    font-size: 13px;
    line-height: 1.7;
    box-shadow: var(--t4-shadow-soft);
}

.t4-hero-visual {
    position: relative;
}

.t4-console-card {
    position: relative;
    padding: 22px;
    border-radius: 34px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(245, 250, 255, 0.9));
    border: 1px solid rgba(105, 142, 196, 0.16);
    box-shadow: var(--t4-shadow);
    overflow: hidden;
}

.t4-console-card::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at top right, rgba(26, 131, 255, 0.12), transparent 38%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.12), transparent 32%);
    pointer-events: none;
}

.t4-console-top,
.t4-progress-row,
.t4-console-footer,
.t4-panel-header,
.t4-footer-top,
.t4-footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.t4-console-top {
    position: relative;
    z-index: 1;
}

.t4-console-brand {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.t4-console-brand strong {
    font-size: 18px;
}

.t4-console-brand span {
    color: var(--t4-muted);
    font-size: 12px;
}

.t4-console-dots {
    display: inline-flex;
    gap: 8px;
}

.t4-console-dots i {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(88, 160, 255, 0.5), rgba(25, 192, 221, 0.7));
}

.t4-console-main {
    position: relative;
    z-index: 1;
    margin-top: 22px;
}

.t4-console-badge {
    display: inline-flex;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(43, 127, 255, 0.1);
    color: var(--t4-primary-deep);
    font-size: 12px;
    font-weight: 700;
}

.t4-console-title {
    margin-top: 16px;
    font-size: 28px;
    line-height: 1.25;
    font-weight: 700;
    letter-spacing: -0.03em;
}

.t4-mini-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    margin-top: 22px;
}

.t4-mini-card,
.t4-service-card,
.t4-stat-card,
.t4-advantage-card,
.t4-workflow-card,
.t4-plan-card,
.t4-doc-card,
.t4-news-item,
.t4-news-empty,
.t4-cta-card {
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(99, 140, 199, 0.16);
    box-shadow: var(--t4-shadow-soft);
}

.t4-mini-card {
    padding: 18px;
    border-radius: 20px;
}

.t4-mini-card strong {
    display: block;
    font-size: 16px;
}

.t4-mini-card span {
    display: block;
    margin-top: 6px;
    color: var(--t4-muted);
    font-size: 13px;
    line-height: 1.65;
}

.t4-progress-card {
    margin-top: 18px;
    padding: 18px;
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(237, 245, 255, 0.88), rgba(255, 255, 255, 0.94));
    border: 1px solid rgba(105, 141, 196, 0.16);
}

.t4-progress-row {
    margin-top: 12px;
    color: var(--t4-text);
    font-size: 13px;
}

.t4-progress-row:first-child {
    margin-top: 0;
}

.t4-progress-row strong {
    color: var(--t4-ink);
    font-size: 13px;
}

.t4-progress-bar {
    width: 100%;
    height: 10px;
    margin-top: 10px;
    border-radius: 999px;
    background: rgba(62, 117, 194, 0.12);
    overflow: hidden;
}

.t4-progress-bar span {
    display: block;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--t4-primary) 0%, var(--t4-accent) 100%);
    animation: t4-pulse 2.2s ease-in-out infinite;
}

.t4-console-footer {
    margin-top: 16px;
    color: var(--t4-muted);
    font-size: 12px;
}

.t4-console-footer a,
.t4-panel-header a,
.t4-inline-link,
.t4-footer-column a,
.t4-footer-bottom a {
    color: var(--t4-primary-deep);
    font-weight: 600;
}

.t4-stats {
    padding: 18px 0 12px;
}

.t4-stats-grid,
.t4-service-grid,
.t4-workflow-grid,
.t4-plan-grid,
.t4-doc-grid {
    display: grid;
    gap: 18px;
}

.t4-stats-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.t4-stat-card {
    padding: 26px 24px;
    border-radius: 24px;
}

.t4-stat-label {
    color: var(--t4-muted);
    font-size: 13px;
}

.t4-stat-value {
    margin-top: 10px;
    font-size: clamp(28px, 3vw, 40px);
    font-weight: 700;
    color: var(--t4-ink);
    letter-spacing: -0.04em;
}

.t4-section {
    padding: 76px 0;
}

.t4-section-soft {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.38), rgba(255, 255, 255, 0.08));
}

.t4-section-compact {
    padding-top: 18px;
    padding-bottom: 84px;
}

.t4-section-heading {
    max-width: 760px;
    margin: 0 auto 34px;
    text-align: center;
}

.t4-section-heading h2 {
    margin: 18px 0 14px;
    font-size: clamp(28px, 4vw, 42px);
    line-height: 1.2;
    letter-spacing: -0.04em;
}

.t4-section-heading p,
.t4-showcase-main p,
.t4-advantage-card p,
.t4-workflow-card p,
.t4-plan-summary,
.t4-news-item p,
.t4-footer-brand p {
    color: var(--t4-text);
    line-height: 1.85;
}

.t4-service-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.t4-service-card {
    position: relative;
    padding: 28px 24px;
    border-radius: var(--t4-radius-md);
    min-height: 248px;
}

.t4-card-index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 54px;
    height: 32px;
    padding: 0 12px;
    border-radius: 999px;
    background: rgba(43, 127, 255, 0.12);
    color: var(--t4-primary-deep);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.t4-service-card h3,
.t4-advantage-card h3,
.t4-workflow-card h3,
.t4-plan-card h3,
.t4-panel-header h3,
.t4-news-item strong,
.t4-doc-card strong,
.t4-news-empty strong {
    margin: 18px 0 10px;
    font-size: 22px;
    line-height: 1.35;
    letter-spacing: -0.03em;
}

.t4-service-card p {
    margin: 0 0 18px;
    color: var(--t4-text);
    line-height: 1.8;
}

.t4-inline-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.t4-inline-link::after {
    content: ">";
    font-size: 12px;
}

.t4-showcase-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.92fr);
    gap: 20px;
    align-items: start;
}

.t4-showcase-main {
    padding: 36px;
    border-radius: 32px;
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.92), rgba(239, 247, 255, 0.88));
    border: 1px solid rgba(102, 139, 194, 0.16);
    box-shadow: var(--t4-shadow);
}

.t4-showcase-main h2 {
    margin: 18px 0 14px;
    font-size: clamp(28px, 3.5vw, 40px);
    line-height: 1.2;
    letter-spacing: -0.04em;
}

.t4-check-list {
    display: grid;
    gap: 12px;
    margin-top: 26px;
}

.t4-check-list span,
.t4-advantage-card li,
.t4-plan-list li {
    position: relative;
    padding-left: 22px;
}

.t4-check-list span::before,
.t4-advantage-card li::before,
.t4-plan-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.72em;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--t4-primary) 0%, var(--t4-accent) 100%);
    transform: translateY(-50%);
}

.t4-advantage-stack {
    display: grid;
    gap: 16px;
}

.t4-advantage-card {
    padding: 24px;
    border-radius: 24px;
}

.t4-advantage-card ul,
.t4-plan-list {
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 12px;
}

.t4-workflow-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.t4-workflow-card {
    position: relative;
    padding: 26px 22px;
    border-radius: 24px;
}

.t4-workflow-card::after {
    content: "";
    position: absolute;
    top: 48px;
    right: -12px;
    width: 24px;
    height: 2px;
    background: linear-gradient(90deg, rgba(43, 127, 255, 0.7), rgba(25, 192, 221, 0.2));
}

.t4-workflow-card:last-child::after {
    display: none;
}

.t4-workflow-step,
.t4-plan-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 62px;
    height: 30px;
    padding: 0 14px;
    border-radius: 999px;
    background: rgba(43, 127, 255, 0.1);
    color: var(--t4-primary-deep);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.t4-plan-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
}

.t4-plan-card {
    position: relative;
    padding: 28px 24px;
    border-radius: 28px;
}

.t4-plan-card.is-featured {
    background: linear-gradient(180deg, rgba(242, 248, 255, 0.98), rgba(255, 255, 255, 0.94));
    border-color: rgba(57, 124, 255, 0.28);
    box-shadow: 0 22px 46px rgba(45, 117, 217, 0.18);
    transform: translateY(-8px);
}

.t4-plan-summary {
    min-height: 68px;
    margin-bottom: 14px;
}

.t4-plan-price {
    display: flex;
    align-items: baseline;
    gap: 6px;
    margin: 14px 0 18px;
    color: var(--t4-ink);
}

.t4-plan-price small {
    font-size: 18px;
    font-weight: 700;
    color: var(--t4-primary-deep);
}

.t4-plan-price span {
    font-size: 42px;
    line-height: 1;
    font-weight: 700;
    letter-spacing: -0.05em;
}

.t4-plan-price em {
    color: var(--t4-muted);
    font-style: normal;
    font-size: 14px;
}

.t4-insight-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 18px;
}

.t4-docs-panel,
.t4-news-panel {
    padding: 28px;
    border-radius: 28px;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(101, 139, 196, 0.16);
    box-shadow: var(--t4-shadow-soft);
}

.t4-panel-header h3 {
    margin: 0;
    font-size: 26px;
}

.t4-doc-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-top: 22px;
}

.t4-doc-card,
.t4-news-item,
.t4-news-empty {
    border-radius: 20px;
    padding: 20px;
}

.t4-doc-card span,
.t4-news-item p,
.t4-news-empty p,
.t4-footer-column a {
    display: block;
    margin-top: 8px;
    color: var(--t4-text);
    line-height: 1.75;
}

.t4-news-list {
    display: grid;
    gap: 14px;
    margin-top: 22px;
}

.t4-news-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    color: var(--t4-muted);
    font-size: 12px;
}

.t4-news-item strong {
    display: block;
    margin: 10px 0 8px;
    font-size: 18px;
}

.t4-cta-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    align-items: center;
    padding: 32px;
    border-radius: 30px;
    background: linear-gradient(140deg, rgba(255, 255, 255, 0.94) 0%, rgba(235, 245, 255, 0.92) 100%);
    box-shadow: var(--t4-shadow);
}

.t4-cta-copy h2 {
    margin: 18px 0 12px;
    font-size: clamp(26px, 3vw, 38px);
    line-height: 1.22;
    letter-spacing: -0.04em;
}

.t4-cta-copy p {
    margin: 0;
    color: var(--t4-text);
    line-height: 1.85;
}

.t4-cta-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 12px;
}

.t4-footer {
    position: relative;
    z-index: 1;
    padding: 0 0 28px;
}

.t4-footer .t4-container {
    padding: 30px;
    border-radius: 30px 30px 0 0;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(98, 137, 194, 0.16);
    box-shadow: var(--t4-shadow-soft);
}

.t4-footer-top {
    align-items: flex-start;
}

.t4-brand-footer .t4-brand-logo {
    width: 52px;
    height: 52px;
    border-radius: 16px;
}

.t4-footer-brand {
    max-width: 380px;
}

.t4-footer-brand p {
    margin: 16px 0 0;
}

.t4-footer-links {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
    flex: 1;
}

.t4-footer-column strong {
    display: block;
    margin-bottom: 10px;
    font-size: 16px;
}

.t4-footer-bottom {
    margin-top: 24px;
    padding-top: 22px;
    border-top: 1px solid rgba(99, 137, 193, 0.16);
    color: var(--t4-text);
    font-size: 13px;
}

[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
    transition-delay: var(--delay, 0s);
}

[data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes t4-pulse {
    0%,
    100% {
        opacity: 0.92;
    }
    50% {
        opacity: 0.68;
    }
}

@media (max-width: 1120px) {
    .t4-nav {
        gap: 4px;
    }

    .t4-highlight-list,
    .t4-stats-grid,
    .t4-service-grid,
    .t4-workflow-grid,
    .t4-plan-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .t4-hero-grid,
    .t4-showcase-grid,
    .t4-insight-grid,
    .t4-cta-card,
    .t4-footer-top {
        grid-template-columns: 1fr;
    }

    .t4-cta-actions {
        justify-content: flex-start;
    }

    .t4-footer-links {
        width: 100%;
    }
}

@media (max-width: 860px) {
    .t4-header-inner {
        flex-wrap: wrap;
    }

    .t4-menu-toggle {
        display: inline-block;
        margin-left: auto;
    }

    .t4-nav {
        display: none;
        width: 100%;
        order: 10;
        margin-top: 10px;
        padding: 12px;
        flex-direction: column;
        align-items: stretch;
        border-radius: 22px;
        background: rgba(255, 255, 255, 0.94);
        border: 1px solid rgba(100, 139, 194, 0.16);
        box-shadow: var(--t4-shadow-soft);
    }

    .t4-nav.is-open {
        display: flex;
    }

    .t4-nav a {
        border-radius: 14px;
        text-align: center;
    }

    .t4-header-actions {
        width: 100%;
        justify-content: flex-start;
    }

    .t4-hero {
        padding-top: 26px;
    }

    .t4-hero-grid {
        grid-template-columns: 1fr;
    }

    .t4-hero-visual {
        min-width: 0;
    }

    .t4-showcase-main,
    .t4-docs-panel,
    .t4-news-panel,
    .t4-footer .t4-container {
        padding: 24px;
    }

    .t4-footer-links {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 20px;
    }
}

@media (max-width: 640px) {
    .t4-container {
        width: min(100%, calc(100% - 20px));
    }

    .t4-header {
        padding: 12px 0;
    }

    .t4-brand-logo {
        width: 48px;
        height: 48px;
        border-radius: 16px;
    }

    .t4-brand-logo img {
        max-height: 30px;
    }

    .t4-brand-text strong {
        font-size: 16px;
    }

    .t4-brand-text small {
        font-size: 11px;
    }

    .t4-btn {
        width: 100%;
    }

    .t4-hero-actions,
    .t4-header-actions,
    .t4-cta-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .t4-highlight-list,
    .t4-stats-grid,
    .t4-service-grid,
    .t4-workflow-grid,
    .t4-plan-grid,
    .t4-doc-grid,
    .t4-footer-links {
        grid-template-columns: 1fr;
    }

    .t4-console-card,
    .t4-showcase-main,
    .t4-cta-card,
    .t4-footer .t4-container {
        border-radius: 24px;
    }

    .t4-mini-grid {
        grid-template-columns: 1fr;
    }

    .t4-workflow-card::after {
        display: none;
    }

    .t4-stat-card,
    .t4-service-card,
    .t4-advantage-card,
    .t4-workflow-card,
    .t4-plan-card,
    .t4-doc-card,
    .t4-news-item,
    .t4-news-empty {
        padding: 20px 18px;
    }

    .t4-section {
        padding: 58px 0;
    }

    .t4-section-compact {
        padding-top: 8px;
        padding-bottom: 64px;
    }

    .t4-footer-bottom {
        flex-direction: column;
        align-items: flex-start;
    }
}