:root {
    --rd-bg: #f7f9fc;
    --rd-surface: #ffffff;
    --rd-ink: #0b1728;
    --rd-ink-soft: #516077;
    --rd-muted: #7d8a9f;
    --rd-line: #e5ebf3;
    --rd-navy: #07182d;
    --rd-navy-2: #0c2340;
    --rd-blue: #1f6bff;
    --rd-blue-deep: #0b4bdc;
    --rd-cyan: #24d6c4;
    --rd-lime: #b6f26d;
    --rd-radius: 24px;
    --rd-radius-sm: 16px;
    --rd-shadow: 0 28px 70px rgba(12, 35, 64, .12);
    --rd-shadow-soft: 0 14px 40px rgba(12, 35, 64, .08);
    --rd-container: 1200px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.rd-site {
    margin: 0;
    color: var(--rd-ink);
    background: var(--rd-bg);
    font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    font-size: 16px;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

body.rd-site img {
    max-width: 100%;
}

body.rd-site a {
    text-decoration: none;
}

body.rd-site button,
body.rd-site input,
body.rd-site textarea {
    font: inherit;
}

.rd-container {
    width: min(var(--rd-container), calc(100% - 48px));
    margin: 0 auto;
}

.rd-main {
    overflow: hidden;
}

.rd-header {
    position: fixed;
    z-index: 100;
    top: 0;
    left: 0;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
    background: rgba(5, 18, 34, .76);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    transition: background .25s ease, box-shadow .25s ease;
}

.rd-header.is-scrolled {
    background: rgba(4, 16, 31, .95);
    box-shadow: 0 10px 35px rgba(3, 12, 24, .22);
}

.rd-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 78px;
    gap: 30px;
}

.rd-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex: 0 0 auto;
    color: #fff;
}

.rd-brand-mark {
    width: 44px;
    height: 44px;
    object-fit: contain;
}

.rd-brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.rd-brand-copy strong {
    font-size: 18px;
    letter-spacing: .06em;
    font-weight: 700;
}

.rd-brand-copy small {
    margin-top: 4px;
    color: rgba(255, 255, 255, .58);
    font-size: 9px;
    letter-spacing: .22em;
    text-transform: uppercase;
}

.rd-nav {
    display: flex;
    align-items: center;
    gap: 26px;
}

.rd-nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.rd-nav-item a {
    position: relative;
    display: block;
    padding: 10px 15px;
    color: rgba(255, 255, 255, .72);
    font-size: 14px;
    transition: color .2s ease;
}

.rd-nav-item a:after {
    position: absolute;
    right: 15px;
    bottom: 4px;
    left: 15px;
    height: 2px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--rd-cyan), var(--rd-blue));
    content: "";
    opacity: 0;
    transform: scaleX(.4);
    transition: opacity .2s ease, transform .2s ease;
}

.rd-nav-item a:hover,
.rd-nav-item.is-active a {
    color: #fff;
}

.rd-nav-item.is-active a:after,
.rd-nav-item a:hover:after {
    opacity: 1;
    transform: scaleX(1);
}

.rd-nav-contact {
    display: none;
}

.rd-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 24px;
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}

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

.rd-button-primary {
    color: #fff;
    background: linear-gradient(115deg, var(--rd-blue), var(--rd-cyan));
    box-shadow: 0 12px 30px rgba(31, 107, 255, .28);
}

.rd-button-primary:hover {
    color: #fff;
    box-shadow: 0 16px 38px rgba(31, 107, 255, .38);
}

.rd-button-ghost {
    border-color: rgba(255, 255, 255, .22);
    color: #fff;
    background: rgba(255, 255, 255, .05);
}

.rd-button-light {
    color: var(--rd-navy);
    background: #fff;
    box-shadow: 0 12px 28px rgba(6, 24, 45, .12);
}

.rd-button-dark {
    color: #fff;
    background: var(--rd-navy);
}

.rd-button span {
    margin-left: 10px;
    font-size: 16px;
}

.rd-nav-cta {
    min-height: 42px;
    padding: 0 19px;
    font-size: 13px;
}

.rd-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    padding: 11px;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 50%;
    background: transparent;
    cursor: pointer;
}

.rd-menu-toggle span {
    display: block;
    width: 100%;
    height: 1px;
    margin: 5px 0;
    background: #fff;
    transition: transform .2s ease, opacity .2s ease;
}

.rd-hero {
    position: relative;
    min-height: 760px;
    padding: 172px 0 0;
    color: #fff;
    background: var(--rd-navy);
    isolation: isolate;
}

.rd-hero:before {
    position: absolute;
    z-index: -1;
    inset: 0;
    background:
        radial-gradient(circle at 78% 28%, rgba(36, 214, 196, .12), transparent 28%),
        radial-gradient(circle at 20% 18%, rgba(31, 107, 255, .22), transparent 33%),
        linear-gradient(135deg, #061527 0%, #091e39 52%, #071a30 100%);
    content: "";
}

.rd-hero:after {
    position: absolute;
    z-index: -1;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
    background-size: 74px 74px;
    content: "";
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .9), transparent 90%);
    -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .9), transparent 90%);
}

.rd-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(440px, .95fr);
    gap: 64px;
    align-items: center;
    min-height: 530px;
    padding-bottom: 48px;
}

.rd-hero-copy {
    position: relative;
    z-index: 2;
    min-width: 0;
}

.rd-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 24px;
    color: rgba(255, 255, 255, .72);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: .16em;
    text-transform: uppercase;
}

.rd-eyebrow:before {
    width: 26px;
    height: 1px;
    background: var(--rd-cyan);
    content: "";
}

.rd-display {
    max-width: 700px;
    margin: 0;
    font-size: clamp(42px, 4.6vw, 64px);
    font-weight: 700;
    line-height: 1.12;
    letter-spacing: -.045em;
    overflow-wrap: anywhere;
}

.rd-grad-text {
    color: transparent;
    background: linear-gradient(100deg, #8fb9ff 0%, #6df4df 48%, #d0ff9f 100%);
    -webkit-background-clip: text;
    background-clip: text;
}

.rd-lead {
    max-width: 600px;
    margin: 26px 0 0;
    color: rgba(255, 255, 255, .66);
    font-size: 17px;
    line-height: 1.9;
    overflow-wrap: anywhere;
}

.rd-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 36px;
}

.rd-hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 22px;
    margin-top: 32px;
    color: rgba(255, 255, 255, .52);
    font-size: 13px;
}

.rd-hero-points span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.rd-hero-points span:before {
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--rd-cyan);
    box-shadow: 0 0 12px var(--rd-cyan);
    content: "";
}

.rd-hero-visual {
    position: relative;
    min-height: 480px;
}

.rd-orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 500px;
    height: 500px;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.rd-orbit:before,
.rd-orbit:after {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, .06);
    border-radius: 50%;
    content: "";
}

.rd-orbit:before {
    inset: 52px;
}

.rd-orbit:after {
    inset: 116px;
}

.rd-orbit-dot {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--rd-cyan);
    box-shadow: 0 0 24px rgba(36, 214, 196, .9);
}

.rd-orbit-dot.dot-a {
    top: 50px;
    left: 95px;
}

.rd-orbit-dot.dot-b {
    right: 54px;
    bottom: 116px;
    background: #8fb9ff;
    box-shadow: 0 0 24px rgba(143, 185, 255, .9);
}

.rd-dashboard {
    position: relative;
    z-index: 2;
    margin: 46px 18px 0 40px;
    padding: 22px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 28px;
    background: linear-gradient(145deg, rgba(18, 44, 75, .94), rgba(8, 29, 53, .88));
    box-shadow: 0 40px 90px rgba(0, 0, 0, .38);
    transform: rotate(1.5deg);
}

.rd-dash-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.rd-dash-dots {
    display: flex;
    gap: 6px;
}

.rd-dash-dots span {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .18);
}

.rd-dash-dots span:first-child {
    background: #ff7f7f;
}

.rd-dash-dots span:nth-child(2) {
    background: #ffd66e;
}

.rd-dash-dots span:nth-child(3) {
    background: #6ce8b0;
}

.rd-dash-tag {
    padding: 5px 10px;
    border: 1px solid rgba(36, 214, 196, .25);
    border-radius: 999px;
    color: var(--rd-cyan);
    background: rgba(36, 214, 196, .08);
    font-size: 10px;
    letter-spacing: .12em;
}

.rd-dash-title {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-top: 24px;
}

.rd-dash-title p {
    margin: 0;
    color: rgba(255, 255, 255, .46);
    font-size: 12px;
}

.rd-dash-title h3 {
    margin: 4px 0 0;
    font-size: 26px;
    font-weight: 600;
}

.rd-dash-title strong {
    color: var(--rd-lime);
    font-size: 14px;
    font-weight: 600;
}

.rd-chart {
    position: relative;
    height: 180px;
    margin-top: 22px;
    border-radius: 18px;
    background:
        linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
    background-size: 100% 36px, 20% 100%;
    overflow: hidden;
}

.rd-chart svg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.rd-dash-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-top: 18px;
}

.rd-dash-metric {
    padding: 12px 14px;
    border: 1px solid rgba(255, 255, 255, .07);
    border-radius: 14px;
    background: rgba(255, 255, 255, .035);
}

.rd-dash-metric span {
    display: block;
    color: rgba(255, 255, 255, .42);
    font-size: 10px;
}

.rd-dash-metric strong {
    display: block;
    margin-top: 3px;
    font-size: 17px;
    font-weight: 600;
}

.rd-float-card {
    position: absolute;
    z-index: 3;
    right: -8px;
    bottom: 34px;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 218px;
    padding: 15px 18px;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 18px;
    color: #fff;
    background: rgba(9, 31, 57, .86);
    box-shadow: 0 24px 50px rgba(0, 0, 0, .25);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.rd-float-icon {
    display: grid;
    width: 42px;
    height: 42px;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 13px;
    color: #07182d;
    background: linear-gradient(135deg, var(--rd-lime), var(--rd-cyan));
    font-size: 18px;
    font-weight: 700;
}

.rd-float-card span {
    display: block;
    color: rgba(255, 255, 255, .5);
    font-size: 10px;
}

.rd-float-card strong {
    font-size: 14px;
    font-weight: 600;
}

.rd-stats-bar {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: 4px;
    border-top: 1px solid rgba(255, 255, 255, .1);
}

.rd-stat {
    padding: 30px 20px 34px;
    border-right: 1px solid rgba(255, 255, 255, .08);
}

.rd-stat:first-child {
    padding-left: 0;
}

.rd-stat:last-child {
    border-right: 0;
}

.rd-stat strong {
    display: block;
    font-size: 32px;
    font-weight: 600;
    letter-spacing: -.03em;
}

.rd-stat strong em {
    color: var(--rd-cyan);
    font-size: 18px;
    font-style: normal;
}

.rd-stat span {
    color: rgba(255, 255, 255, .48);
    font-size: 12px;
}

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

.rd-section-soft {
    background: #f2f6fb;
}

.rd-section-dark {
    position: relative;
    color: #fff;
    background: var(--rd-navy);
    isolation: isolate;
}

.rd-section-dark:before {
    position: absolute;
    z-index: -1;
    inset: 0;
    background:
        radial-gradient(circle at 82% 15%, rgba(36, 214, 196, .11), transparent 25%),
        linear-gradient(180deg, #07182d, #0a2039);
    content: "";
}

.rd-section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 36px;
    margin-bottom: 52px;
}

.rd-section-head.is-center {
    display: block;
    max-width: 760px;
    margin-right: auto;
    margin-left: auto;
    text-align: center;
}

.rd-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: var(--rd-blue);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .18em;
    text-transform: uppercase;
}

.rd-kicker:before {
    width: 22px;
    height: 1px;
    background: currentColor;
    content: "";
}

.rd-section-dark .rd-kicker {
    color: var(--rd-cyan);
}

.rd-h2 {
    max-width: 760px;
    margin: 0;
    font-size: clamp(32px, 4vw, 50px);
    font-weight: 650;
    line-height: 1.25;
    letter-spacing: -.035em;
}

.rd-section-copy {
    max-width: 580px;
    margin: 18px 0 0;
    color: var(--rd-ink-soft);
    font-size: 15px;
    line-height: 1.9;
}

.rd-section-dark .rd-section-copy {
    color: rgba(255, 255, 255, .58);
}

.rd-text-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--rd-blue);
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}

.rd-text-link span {
    transition: transform .2s ease;
}

.rd-text-link:hover span {
    transform: translateX(4px);
}

.rd-section-dark .rd-text-link {
    color: var(--rd-cyan);
}

.rd-about-grid {
    display: grid;
    grid-template-columns: .92fr 1.08fr;
    gap: 76px;
    align-items: center;
}

.rd-about-visual {
    position: relative;
    min-height: 500px;
}

.rd-about-frame {
    position: absolute;
    top: 20px;
    right: 32px;
    bottom: 28px;
    left: 0;
    border-radius: 34px;
    background:
        linear-gradient(145deg, rgba(31, 107, 255, .94), rgba(10, 46, 96, .96));
    box-shadow: 0 40px 80px rgba(17, 67, 143, .26);
    overflow: hidden;
}

.rd-about-frame:before {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
    background-size: 42px 42px;
    content: "";
    mask-image: linear-gradient(to bottom, #000, transparent);
    -webkit-mask-image: linear-gradient(to bottom, #000, transparent);
}

.rd-about-frame-content {
    position: absolute;
    inset: 34px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.rd-about-mini-label {
    display: inline-flex;
    align-self: flex-start;
    padding: 7px 12px;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 999px;
    color: rgba(255, 255, 255, .68);
    background: rgba(255, 255, 255, .06);
    font-size: 10px;
    letter-spacing: .14em;
}

.rd-about-orbit {
    position: relative;
    width: 280px;
    height: 280px;
    margin: -8px auto 0;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 50%;
}

.rd-about-orbit:before,
.rd-about-orbit:after {
    position: absolute;
    border: 1px solid rgba(255, 255, 255, .11);
    border-radius: 50%;
    content: "";
}

.rd-about-orbit:before {
    inset: 44px;
}

.rd-about-orbit:after {
    inset: 88px;
}

.rd-about-core {
    position: absolute;
    top: 50%;
    left: 50%;
    display: grid;
    width: 104px;
    height: 104px;
    place-items: center;
    border-radius: 32px;
    color: var(--rd-navy);
    background: linear-gradient(135deg, #d7ff9d, #5cf0de);
    box-shadow: 0 20px 40px rgba(2, 18, 35, .24);
    font-size: 24px;
    font-weight: 700;
    transform: translate(-50%, -50%) rotate(-5deg);
}

.rd-about-node {
    position: absolute;
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255, 255, 255, .86);
    border-radius: 50%;
    background: var(--rd-cyan);
}

.rd-about-node.n1 {
    top: 22px;
    left: 56px;
}

.rd-about-node.n2 {
    top: 100px;
    right: -5px;
}

.rd-about-node.n3 {
    bottom: 22px;
    left: 50px;
    background: var(--rd-lime);
}

.rd-about-frame-foot {
    display: flex;
    gap: 12px;
}

.rd-about-chip {
    flex: 1;
    padding: 12px 14px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 14px;
    background: rgba(255, 255, 255, .06);
    color: rgba(255, 255, 255, .62);
    font-size: 10px;
}

.rd-about-chip strong {
    display: block;
    margin-bottom: 2px;
    color: #fff;
    font-size: 16px;
    font-weight: 600;
}

.rd-about-float {
    position: absolute;
    right: 0;
    bottom: 0;
    width: 185px;
    padding: 20px;
    border-radius: 22px;
    color: var(--rd-ink);
    background: #fff;
    box-shadow: var(--rd-shadow);
}

.rd-about-float strong {
    display: block;
    font-size: 30px;
    letter-spacing: -.04em;
}

.rd-about-float span {
    color: var(--rd-muted);
    font-size: 11px;
}

.rd-about-copy .rd-h2 {
    max-width: 660px;
}

.rd-about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 34px;
}

.rd-highlight {
    padding: 20px;
    border: 1px solid var(--rd-line);
    border-radius: var(--rd-radius-sm);
    background: #fff;
    box-shadow: 0 10px 30px rgba(12, 35, 64, .04);
}

.rd-highlight strong {
    display: block;
    margin-bottom: 6px;
    font-size: 15px;
    font-weight: 600;
}

.rd-highlight span {
    color: var(--rd-ink-soft);
    font-size: 12px;
    line-height: 1.7;
}

.rd-about-actions {
    display: flex;
    align-items: center;
    gap: 24px;
    margin-top: 34px;
}

.rd-service-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.rd-service-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 270px;
    padding: 30px;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: var(--rd-radius);
    background: rgba(255, 255, 255, .045);
    overflow: hidden;
    transition: transform .25s ease, border-color .25s ease, background .25s ease;
}

.rd-service-card:hover {
    border-color: rgba(36, 214, 196, .35);
    background: rgba(255, 255, 255, .07);
    transform: translateY(-5px);
}

.rd-service-card:after {
    position: absolute;
    right: -60px;
    bottom: -75px;
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(36, 214, 196, .13), transparent 68%);
    content: "";
}

.rd-service-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
}

.rd-service-icon {
    display: grid;
    width: 54px;
    height: 54px;
    flex: 0 0 auto;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 17px;
    color: var(--rd-cyan);
    background: rgba(255, 255, 255, .045);
}

.rd-service-icon svg {
    width: 26px;
    height: 26px;
}

.rd-service-index {
    color: rgba(255, 255, 255, .18);
    font-size: 11px;
    letter-spacing: .16em;
}

.rd-service-card h3 {
    margin: 24px 0 10px;
    font-size: 23px;
    font-weight: 600;
}

.rd-service-card p {
    flex: 1;
    margin: 0;
    color: rgba(255, 255, 255, .54);
    font-size: 13px;
    line-height: 1.8;
}

.rd-service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 22px;
}

.rd-service-tags span {
    padding: 5px 10px;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 999px;
    color: rgba(255, 255, 255, .54);
    font-size: 10px;
}

.rd-service-link {
    position: relative;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    align-self: flex-start;
    margin-top: 24px;
    color: var(--rd-cyan);
    font-size: 12px;
    font-weight: 600;
}

.rd-service-link span {
    transition: transform .2s ease;
}

.rd-service-link:hover span {
    transform: translateX(4px);
}

.rd-case-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}

.rd-case-card {
    display: flex;
    flex-direction: column;
    border: 1px solid var(--rd-line);
    border-radius: var(--rd-radius);
    color: var(--rd-ink);
    background: #fff;
    box-shadow: var(--rd-shadow-soft);
    overflow: hidden;
    transition: transform .25s ease, box-shadow .25s ease;
}

.rd-case-card:hover {
    box-shadow: var(--rd-shadow);
    transform: translateY(-6px);
}

.rd-case-media {
    position: relative;
    aspect-ratio: 16 / 10;
    background: #dbe8f8;
    overflow: hidden;
}

.rd-case-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s ease;
}

.rd-case-card:hover .rd-case-media img {
    transform: scale(1.04);
}

.rd-case-sector {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 11px;
    border-radius: 999px;
    color: #fff;
    background: rgba(6, 23, 43, .72);
    font-size: 10px;
    backdrop-filter: blur(10px);
}

.rd-case-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: 24px;
}

.rd-case-body h3 {
    margin: 0;
    font-size: 19px;
    font-weight: 600;
    line-height: 1.55;
}

.rd-case-body p {
    flex: 1;
    margin: 12px 0 0;
    color: var(--rd-ink-soft);
    font-size: 13px;
    line-height: 1.8;
}

.rd-case-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--rd-line);
    color: var(--rd-muted);
    font-size: 11px;
}

.rd-case-meta strong {
    color: var(--rd-blue);
    font-size: 16px;
    font-weight: 600;
}

.rd-process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
}

.rd-process-item {
    position: relative;
    padding: 28px 24px;
    border: 1px solid var(--rd-line);
    border-radius: var(--rd-radius-sm);
    background: #fff;
}

.rd-process-num {
    display: inline-flex;
    width: 38px;
    height: 38px;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    color: var(--rd-blue);
    background: #edf4ff;
    font-size: 12px;
    font-weight: 700;
}

.rd-process-item h3 {
    margin: 22px 0 8px;
    font-size: 17px;
    font-weight: 600;
}

.rd-process-item p {
    margin: 0;
    color: var(--rd-ink-soft);
    font-size: 12px;
    line-height: 1.8;
}

.rd-process-item:not(:last-child):after {
    position: absolute;
    top: 46px;
    right: -18px;
    z-index: 2;
    width: 18px;
    height: 1px;
    background: var(--rd-line);
    content: "";
}

.rd-value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.rd-value-card {
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: var(--rd-radius);
    background: rgba(255, 255, 255, .035);
}

.rd-value-icon {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 14px;
    color: var(--rd-navy);
    background: linear-gradient(135deg, #c8ff91, #5cefdc);
    font-size: 17px;
    font-weight: 700;
}

.rd-value-card h3 {
    margin: 24px 0 10px;
    font-size: 20px;
    font-weight: 600;
}

.rd-value-card p {
    margin: 0;
    color: rgba(255, 255, 255, .54);
    font-size: 13px;
    line-height: 1.8;
}

.rd-cta {
    position: relative;
    padding: 84px 0;
    color: #fff;
    background:
        radial-gradient(circle at 80% 20%, rgba(109, 244, 223, .16), transparent 26%),
        linear-gradient(135deg, #0b2f67, #1778e8 55%, #19bfb7);
    overflow: hidden;
}

.rd-cta:before {
    position: absolute;
    top: -50%;
    right: -8%;
    width: 520px;
    height: 520px;
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: 50%;
    content: "";
}

.rd-cta-inner {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 50px;
}

.rd-cta h2 {
    max-width: 700px;
    margin: 0;
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 650;
    line-height: 1.28;
    letter-spacing: -.03em;
}

.rd-cta p {
    max-width: 620px;
    margin: 18px 0 0;
    color: rgba(255, 255, 255, .68);
    font-size: 14px;
}

.rd-cta-actions {
    display: flex;
    flex: 0 0 auto;
    gap: 12px;
}

.rd-page-hero {
    position: relative;
    padding: 168px 0 92px;
    color: #fff;
    background: var(--rd-navy);
    isolation: isolate;
}

.rd-page-hero:before {
    position: absolute;
    z-index: -1;
    inset: 0;
    background:
        radial-gradient(circle at 82% 24%, rgba(36, 214, 196, .13), transparent 25%),
        radial-gradient(circle at 16% 12%, rgba(31, 107, 255, .22), transparent 30%),
        linear-gradient(135deg, #061527, #0a2039);
    content: "";
}

.rd-page-hero:after {
    position: absolute;
    z-index: -1;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px);
    background-size: 64px 64px;
    content: "";
    mask-image: linear-gradient(to bottom, #000, transparent);
    -webkit-mask-image: linear-gradient(to bottom, #000, transparent);
}

.rd-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 22px;
    color: rgba(255, 255, 255, .48);
    font-size: 11px;
}

.rd-breadcrumbs a {
    color: inherit;
}

.rd-breadcrumbs a:hover {
    color: var(--rd-cyan);
}

.rd-page-hero h1 {
    max-width: 860px;
    margin: 0;
    font-size: clamp(38px, 5vw, 60px);
    font-weight: 650;
    line-height: 1.22;
    letter-spacing: -.04em;
}

.rd-page-hero p {
    max-width: 680px;
    margin: 22px 0 0;
    color: rgba(255, 255, 255, .62);
    font-size: 15px;
}

.rd-inner-section {
    padding: 88px 0;
}

.rd-layout-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 36px;
    align-items: start;
}

.rd-panel {
    padding: 38px;
    border: 1px solid var(--rd-line);
    border-radius: var(--rd-radius);
    background: #fff;
    box-shadow: var(--rd-shadow-soft);
}

.rd-page-aside {
    position: sticky;
    top: 104px;
}

.rd-aside-card {
    padding: 28px;
    border: 1px solid var(--rd-line);
    border-radius: var(--rd-radius-sm);
    background: #fff;
    box-shadow: var(--rd-shadow-soft);
}

.rd-aside-card + .rd-aside-card {
    margin-top: 18px;
}

.rd-aside-card h3 {
    margin: 0 0 16px;
    font-size: 16px;
    font-weight: 600;
}

.rd-aside-card p {
    margin: 0;
    color: var(--rd-ink-soft);
    font-size: 12px;
    line-height: 1.8;
}

.rd-aside-links {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.rd-aside-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 11px 0;
    border-bottom: 1px solid var(--rd-line);
    color: var(--rd-ink-soft);
    font-size: 13px;
}

.rd-aside-links a:last-child {
    border-bottom: 0;
}

.rd-aside-links a:hover {
    color: var(--rd-blue);
}

.rd-aside-cta {
    color: #fff;
    background: linear-gradient(135deg, #0c2c58, #1f6bff);
}

.rd-aside-cta h3 {
    color: #fff;
}

.rd-aside-cta p {
    color: rgba(255, 255, 255, .64);
}

.rd-aside-cta .rd-button {
    width: 100%;
    margin-top: 22px;
}

.rd-prose {
    color: #314158;
    font-size: 15px;
    line-height: 2;
}

.rd-prose > *:first-child {
    margin-top: 0;
}

.rd-prose > *:last-child {
    margin-bottom: 0;
}

.rd-prose h2,
.rd-prose h3 {
    color: var(--rd-ink);
    line-height: 1.45;
}

.rd-prose h2 {
    margin: 42px 0 16px;
    font-size: 28px;
    font-weight: 650;
}

.rd-prose h3 {
    margin: 32px 0 12px;
    font-size: 21px;
    font-weight: 600;
}

.rd-prose p {
    margin: 0 0 18px;
}

.rd-prose ul,
.rd-prose ol {
    margin: 0 0 22px;
    padding-left: 22px;
}

.rd-prose li {
    margin: 8px 0;
}

.rd-prose img {
    border-radius: var(--rd-radius-sm);
}

.rd-prose blockquote {
    margin: 30px 0;
    padding: 22px 26px;
    border-left: 3px solid var(--rd-blue);
    border-radius: 0 16px 16px 0;
    color: var(--rd-ink);
    background: #f2f7ff;
    font-size: 16px;
}

.rd-about-page-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 52px;
    align-items: center;
}

.rd-about-page-visual {
    position: relative;
    min-height: 390px;
    border-radius: 30px;
    background:
        radial-gradient(circle at 30% 30%, rgba(36, 214, 196, .3), transparent 25%),
        linear-gradient(145deg, #0b2e5d, #1f6bff);
    box-shadow: var(--rd-shadow);
    overflow: hidden;
}

.rd-about-page-visual:after {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, .06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, .06) 1px, transparent 1px);
    background-size: 44px 44px;
    content: "";
}

.rd-about-page-visual-inner {
    position: absolute;
    z-index: 2;
    inset: 40px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    color: #fff;
}

.rd-about-page-visual-inner span {
    color: rgba(255, 255, 255, .62);
    font-size: 11px;
    letter-spacing: .16em;
}

.rd-about-page-visual-inner strong {
    margin-top: 8px;
    font-size: 32px;
    font-weight: 650;
    line-height: 1.35;
}

.rd-metric-row {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 34px;
}

.rd-metric {
    padding: 22px;
    border: 1px solid var(--rd-line);
    border-radius: 16px;
    background: #fff;
}

.rd-metric strong {
    display: block;
    font-size: 28px;
    font-weight: 650;
    letter-spacing: -.03em;
}

.rd-metric span {
    color: var(--rd-muted);
    font-size: 11px;
}

.rd-value-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin-top: 54px;
}

.rd-value-strip-item {
    padding: 24px;
    border: 1px solid var(--rd-line);
    border-radius: 18px;
    background: #fff;
}

.rd-value-strip-item b {
    display: block;
    margin-bottom: 7px;
    color: var(--rd-blue);
    font-size: 13px;
}

.rd-value-strip-item span {
    color: var(--rd-ink-soft);
    font-size: 12px;
    line-height: 1.8;
}

.rd-product-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.rd-product-card {
    display: grid;
    grid-template-columns: 190px 1fr;
    min-height: 220px;
    border: 1px solid var(--rd-line);
    border-radius: var(--rd-radius);
    color: var(--rd-ink);
    background: #fff;
    box-shadow: var(--rd-shadow-soft);
    overflow: hidden;
    transition: transform .25s ease, box-shadow .25s ease;
}

.rd-product-card:hover {
    box-shadow: var(--rd-shadow);
    transform: translateY(-5px);
}

.rd-product-cover {
    position: relative;
    min-height: 220px;
    background: linear-gradient(145deg, #0b2e5d, #1f6bff);
    overflow: hidden;
}

.rd-product-cover img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.rd-product-num {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 5px 9px;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 999px;
    color: rgba(255, 255, 255, .72);
    background: rgba(5, 20, 38, .42);
    font-size: 9px;
    letter-spacing: .14em;
}

.rd-product-body {
    display: flex;
    flex-direction: column;
    padding: 26px;
}

.rd-product-body h3 {
    margin: 0;
    font-size: 20px;
    font-weight: 600;
    line-height: 1.5;
}

.rd-product-body p {
    flex: 1;
    margin: 11px 0 0;
    color: var(--rd-ink-soft);
    font-size: 12px;
    line-height: 1.8;
}

.rd-product-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin-top: 16px;
}

.rd-product-tags span {
    padding: 4px 8px;
    border-radius: 999px;
    color: #48607e;
    background: #f1f6fd;
    font-size: 9px;
}

.rd-product-more {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid var(--rd-line);
    color: var(--rd-blue);
    font-size: 12px;
    font-weight: 600;
}

.rd-product-more span {
    font-size: 16px;
}

.rd-empty-state {
    padding: 64px 20px;
    border: 1px dashed #d6e0ec;
    border-radius: var(--rd-radius);
    color: var(--rd-muted);
    background: #fbfdff;
    text-align: center;
}

.rd-pagination {
    display: flex;
    justify-content: center;
    margin-top: 42px;
}

.rd-pagination ul,
.rd-pagination .pagination {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.rd-pagination li,
.rd-pagination .pagination > li {
    display: block;
}

.rd-pagination a,
.rd-pagination span,
.rd-pagination .pagination > li > a,
.rd-pagination .pagination > li > span {
    display: grid;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    place-items: center;
    border: 1px solid var(--rd-line);
    border-radius: 10px;
    color: var(--rd-ink-soft);
    background: #fff;
    font-size: 12px;
}

.rd-pagination .active > span,
.rd-pagination .active > a,
.rd-pagination a:hover {
    border-color: var(--rd-blue);
    color: #fff;
    background: var(--rd-blue);
}

.rd-case-page-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.rd-case-page-grid .rd-case-card:first-child {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
}

.rd-case-page-grid .rd-case-card:first-child .rd-case-media {
    aspect-ratio: auto;
    min-height: 340px;
}

.rd-case-page-grid .rd-case-card:first-child .rd-case-body {
    justify-content: center;
    padding: 42px;
}

.rd-case-page-grid .rd-case-card:first-child h3 {
    font-size: 27px;
}

.rd-detail-hero {
    padding-bottom: 70px;
}

.rd-detail-grid {
    display: grid;
    grid-template-columns: 1fr 310px;
    gap: 36px;
    align-items: start;
}

.rd-detail-media {
    margin-bottom: 32px;
    border-radius: var(--rd-radius);
    background: #e5eefb;
    box-shadow: var(--rd-shadow-soft);
    overflow: hidden;
}

.rd-detail-media img {
    display: block;
    width: 100%;
    max-height: 520px;
    object-fit: cover;
}

.rd-detail-title {
    margin: 0 0 22px;
    font-size: clamp(28px, 3.5vw, 42px);
    font-weight: 650;
    line-height: 1.35;
    letter-spacing: -.025em;
}

.rd-detail-intro {
    margin: 0 0 28px;
    padding: 20px 24px;
    border-left: 3px solid var(--rd-blue);
    color: var(--rd-ink-soft);
    background: #f2f7ff;
    font-size: 14px;
    line-height: 1.9;
}

.rd-detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 26px;
}

.rd-detail-tags span {
    padding: 6px 11px;
    border: 1px solid var(--rd-line);
    border-radius: 999px;
    color: var(--rd-ink-soft);
    font-size: 10px;
}

.rd-feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin: 30px 0;
}

.rd-feature-item {
    padding: 20px;
    border: 1px solid var(--rd-line);
    border-radius: 16px;
    background: #fbfdff;
}

.rd-feature-item b {
    display: block;
    margin-bottom: 5px;
    font-size: 13px;
}

.rd-feature-item span {
    color: var(--rd-ink-soft);
    font-size: 11px;
    line-height: 1.75;
}

.rd-related-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.rd-related-item {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 10px;
    border-radius: 12px;
    color: var(--rd-ink);
    transition: background .2s ease;
}

.rd-related-item:hover {
    background: #f5f9ff;
}

.rd-related-item img {
    width: 76px;
    height: 58px;
    flex: 0 0 auto;
    border-radius: 9px;
    object-fit: cover;
}

.rd-related-item strong {
    display: block;
    font-size: 12px;
    font-weight: 600;
    line-height: 1.6;
}

.rd-related-item span {
    color: var(--rd-muted);
    font-size: 10px;
}

.rd-contact-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 28px;
}

.rd-contact-card {
    padding: 38px;
    border: 1px solid var(--rd-line);
    border-radius: var(--rd-radius);
    background: #fff;
    box-shadow: var(--rd-shadow-soft);
}

.rd-contact-card h2 {
    margin: 0 0 14px;
    font-size: 30px;
    font-weight: 650;
    letter-spacing: -.03em;
}

.rd-contact-card > p {
    margin: 0;
    color: var(--rd-ink-soft);
    font-size: 14px;
}

.rd-contact-list {
    display: grid;
    gap: 18px;
    margin-top: 32px;
}

.rd-contact-item {
    display: grid;
    grid-template-columns: 48px 1fr;
    gap: 15px;
    align-items: flex-start;
    padding-bottom: 18px;
    border-bottom: 1px solid var(--rd-line);
}

.rd-contact-item:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.rd-contact-icon {
    display: grid;
    width: 48px;
    height: 48px;
    place-items: center;
    border-radius: 14px;
    color: var(--rd-blue);
    background: #eef5ff;
}

.rd-contact-icon svg {
    width: 21px;
    height: 21px;
}

.rd-contact-item span {
    display: block;
    color: var(--rd-muted);
    font-size: 10px;
    letter-spacing: .08em;
}

.rd-contact-item strong,
.rd-contact-item a {
    display: block;
    margin-top: 3px;
    color: var(--rd-ink);
    font-size: 17px;
    font-weight: 600;
    line-height: 1.55;
}

.rd-contact-item a:hover {
    color: var(--rd-blue);
}

.rd-contact-aside {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.rd-contact-callout {
    padding: 34px;
    border-radius: var(--rd-radius);
    color: #fff;
    background:
        radial-gradient(circle at 85% 15%, rgba(36, 214, 196, .18), transparent 28%),
        linear-gradient(145deg, #07182d, #0d3567);
}

.rd-contact-callout h3 {
    margin: 0;
    font-size: 24px;
    font-weight: 650;
}

.rd-contact-callout p {
    margin: 12px 0 24px;
    color: rgba(255, 255, 255, .58);
    font-size: 13px;
}

.rd-contact-callout a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--rd-cyan);
    font-size: 13px;
    font-weight: 600;
}

.rd-contact-callout a span {
    font-size: 17px;
}

.rd-map-card {
    position: relative;
    min-height: 250px;
    padding: 28px;
    border: 1px solid var(--rd-line);
    border-radius: var(--rd-radius);
    background:
        linear-gradient(135deg, rgba(31, 107, 255, .08), rgba(36, 214, 196, .07)),
        #fff;
    overflow: hidden;
}

.rd-map-card:before {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(31, 107, 255, .08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(31, 107, 255, .08) 1px, transparent 1px);
    background-size: 28px 28px;
    content: "";
}

.rd-map-pin {
    position: absolute;
    top: 48%;
    left: 54%;
    z-index: 2;
    display: grid;
    width: 54px;
    height: 54px;
    place-items: center;
    border: 6px solid rgba(31, 107, 255, .18);
    border-radius: 50%;
    color: #fff;
    background: var(--rd-blue);
    box-shadow: 0 0 0 18px rgba(31, 107, 255, .08);
    font-size: 18px;
    transform: translate(-50%, -50%);
}

.rd-map-card > div {
    position: relative;
    z-index: 2;
}

.rd-map-card span {
    color: var(--rd-blue);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .14em;
}

.rd-map-card strong {
    display: block;
    margin-top: 8px;
    max-width: 240px;
    font-size: 17px;
    line-height: 1.6;
}

.rd-footer {
    padding: 74px 0 28px;
    color: rgba(255, 255, 255, .62);
    background: #051224;
}

.rd-footer-grid {
    display: grid;
    grid-template-columns: 1.7fr .8fr .8fr 1.1fr;
    gap: 52px;
    padding-bottom: 52px;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.rd-footer .rd-brand {
    margin-bottom: 20px;
}

.rd-footer-brand p {
    max-width: 360px;
    margin: 0;
    color: rgba(255, 255, 255, .42);
    font-size: 12px;
    line-height: 1.9;
}

.rd-footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 24px;
    padding: 7px 12px;
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: 999px;
    color: rgba(255, 255, 255, .56);
    font-size: 10px;
}

.rd-live-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--rd-cyan);
    box-shadow: 0 0 10px rgba(36, 214, 196, .8);
}

.rd-footer-column {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.rd-footer-column h3 {
    margin: 5px 0 12px;
    color: #fff;
    font-size: 13px;
    font-weight: 600;
}

.rd-footer-column a,
.rd-footer-column p {
    margin: 0;
    color: rgba(255, 255, 255, .42);
    font-size: 12px;
    line-height: 1.75;
}

.rd-footer-column a:hover {
    color: var(--rd-cyan);
}

.rd-footer-phone {
    color: #fff !important;
    font-size: 22px !important;
    font-weight: 600;
    letter-spacing: -.02em;
}

.rd-footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding-top: 24px;
    color: rgba(255, 255, 255, .32);
    font-size: 10px;
}

.rd-footer-bottom p {
    margin: 0;
}

.rd-footer-bottom a {
    color: inherit;
}

.rd-footer-bottom a:hover {
    color: var(--rd-cyan);
}

.rd-backtop {
    position: fixed;
    z-index: 90;
    right: 24px;
    bottom: 24px;
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border: 1px solid rgba(31, 107, 255, .18);
    border-radius: 50%;
    color: var(--rd-blue);
    background: rgba(255, 255, 255, .92);
    box-shadow: 0 10px 30px rgba(10, 39, 77, .16);
    cursor: pointer;
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity .2s ease, transform .2s ease;
}

.rd-backtop.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.rd-faq-list {
    max-width: 920px;
    margin: 0 auto;
}

.rd-faq-item {
    border-bottom: 1px solid var(--rd-line);
    background: transparent;
}

.rd-faq-item summary {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 24px 4px;
    color: var(--rd-ink);
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
}

.rd-faq-item summary::-webkit-details-marker {
    display: none;
}

.rd-faq-item summary span {
    display: grid;
    width: 28px;
    height: 28px;
    flex: 0 0 auto;
    place-items: center;
    border: 1px solid var(--rd-line);
    border-radius: 50%;
    color: var(--rd-blue);
    background: #fff;
    font-size: 18px;
    font-weight: 400;
    transition: transform .2s ease, background .2s ease, color .2s ease;
}

.rd-faq-item[open] summary span {
    color: #fff;
    background: var(--rd-blue);
    transform: rotate(45deg);
}

.rd-faq-item p {
    max-width: 820px;
    margin: -4px 0 24px;
    color: var(--rd-ink-soft);
    font-size: 14px;
    line-height: 1.9;
}

.rd-city-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
    gap: 70px;
    align-items: center;
}

.rd-city-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 9px;
    margin-top: 26px;
}

.rd-city-meta span {
    padding: 6px 11px;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 999px;
    color: rgba(255, 255, 255, .64);
    background: rgba(255, 255, 255, .04);
    font-size: 10px;
}

.rd-city-hero-card {
    position: relative;
    padding: 32px;
    border: 1px solid rgba(255, 255, 255, .15);
    border-radius: 26px;
    background:
        radial-gradient(circle at 82% 12%, rgba(36, 214, 196, .16), transparent 30%),
        rgba(255, 255, 255, .055);
    box-shadow: 0 30px 70px rgba(0, 0, 0, .22);
    overflow: hidden;
}

.rd-city-hero-card:before {
    position: absolute;
    top: -40%;
    right: -20%;
    width: 240px;
    height: 240px;
    border: 1px solid rgba(255, 255, 255, .08);
    border-radius: 50%;
    content: "";
}

.rd-city-hero-label {
    color: var(--rd-cyan);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .16em;
}

.rd-city-hero-card strong {
    display: block;
    margin-top: 16px;
    font-size: 40px;
    font-weight: 650;
    letter-spacing: -.04em;
}

.rd-city-hero-card p {
    min-height: 46px;
    margin: 10px 0 22px;
    color: rgba(255, 255, 255, .54);
    font-size: 12px;
    line-height: 1.8;
}

.rd-city-hero-line {
    height: 1px;
    margin-bottom: 20px;
    background: linear-gradient(90deg, rgba(109, 244, 223, .55), transparent);
}

.rd-city-hero-stat {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    padding: 9px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
}

.rd-city-hero-stat:last-child {
    border-bottom: 0;
}

.rd-city-hero-stat b {
    color: #fff;
    font-size: 25px;
    font-weight: 600;
}

.rd-city-hero-stat span {
    color: rgba(255, 255, 255, .44);
    font-size: 10px;
}

.rd-city-points {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 28px;
}

.rd-city-points span {
    position: relative;
    padding-left: 20px;
    color: var(--rd-ink-soft);
    font-size: 12px;
}

.rd-city-points span:before {
    position: absolute;
    top: .55em;
    left: 0;
    display: grid;
    width: 12px;
    height: 12px;
    place-items: center;
    border-radius: 50%;
    color: #fff;
    background: var(--rd-blue);
    content: "✓";
    font-size: 8px;
}

.rd-city-local-card {
    padding: 34px;
    border: 1px solid var(--rd-line);
    border-radius: var(--rd-radius);
    background: #fff;
    box-shadow: var(--rd-shadow-soft);
}

.rd-city-local-card > span {
    color: var(--rd-blue);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: .16em;
}

.rd-city-local-card h3 {
    margin: 12px 0 24px;
    font-size: 25px;
    font-weight: 650;
    letter-spacing: -.03em;
}

.rd-city-local-card dl {
    margin: 0;
}

.rd-city-local-card dl > div {
    display: grid;
    grid-template-columns: 74px 1fr;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--rd-line);
}

.rd-city-local-card dt {
    color: var(--rd-muted);
    font-size: 11px;
    font-weight: 400;
}

.rd-city-local-card dd {
    margin: 0;
    color: var(--rd-ink);
    font-size: 12px;
    line-height: 1.75;
}

.rd-city-local-card a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 24px;
    color: var(--rd-blue);
    font-size: 12px;
    font-weight: 600;
}

.rd-city-scenario-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.rd-city-scenario {
    padding: 30px;
    border: 1px solid var(--rd-line);
    border-radius: var(--rd-radius);
    background: #fff;
    box-shadow: 0 12px 34px rgba(12, 35, 64, .05);
}

.rd-city-scenario > span {
    display: inline-flex;
    width: 34px;
    height: 34px;
    align-items: center;
    justify-content: center;
    border-radius: 11px;
    color: var(--rd-blue);
    background: #edf4ff;
    font-size: 10px;
    font-weight: 700;
}

.rd-city-scenario h3 {
    margin: 22px 0 10px;
    font-size: 19px;
    font-weight: 600;
}

.rd-city-scenario p {
    margin: 0;
    color: var(--rd-ink-soft);
    font-size: 12px;
    line-height: 1.85;
}

.rd-city-value-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.rd-city-value {
    padding: 30px;
    border: 1px solid var(--rd-line);
    border-radius: var(--rd-radius);
    background: #fff;
}

.rd-city-value b {
    color: var(--rd-blue);
    font-size: 11px;
    letter-spacing: .14em;
}

.rd-city-value h3 {
    margin: 20px 0 10px;
    font-size: 19px;
    font-weight: 600;
}

.rd-city-value p {
    margin: 0;
    color: var(--rd-ink-soft);
    font-size: 12px;
    line-height: 1.85;
}

.rd-city-guide-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.rd-city-guide-card {
    position: relative;
    display: flex;
    min-height: 210px;
    flex-direction: column;
    padding: 28px;
    border: 1px solid var(--rd-line);
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 12px 34px rgba(12, 35, 64, .05);
    overflow: hidden;
    transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.rd-city-guide-card:hover {
    border-color: rgba(31, 107, 255, .28);
    box-shadow: var(--rd-shadow-soft);
    transform: translateY(-3px);
}

.rd-city-guide-index {
    position: absolute;
    top: 22px;
    right: 24px;
    color: rgba(31, 107, 255, .16);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -.04em;
}

.rd-city-guide-card h3 {
    max-width: calc(100% - 42px);
    margin: 0;
    color: var(--rd-ink);
    font-size: 18px;
    font-weight: 650;
    line-height: 1.55;
}

.rd-city-guide-card p {
    flex: 1;
    margin: 12px 0 20px;
    color: var(--rd-ink-soft);
    font-size: 12px;
    line-height: 1.8;
}

.rd-city-guide-card a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--rd-blue);
    font-size: 11px;
    font-weight: 600;
}

.rd-city-guide-card a span {
    font-size: 15px;
    transition: transform .2s ease;
}

.rd-city-guide-card:hover a span {
    transform: translateX(4px);
}

.rd-city-switcher {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 9px;
}

.rd-city-switcher a {
    padding: 9px 15px;
    border: 1px solid var(--rd-line);
    border-radius: 999px;
    color: var(--rd-ink-soft);
    background: #fff;
    font-size: 11px;
    transition: border-color .2s ease, color .2s ease, background .2s ease;
}

.rd-city-switcher a:hover,
.rd-city-switcher a.is-active {
    border-color: var(--rd-blue);
    color: #fff;
    background: var(--rd-blue);
}

.rd-city-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.rd-city-card {
    display: flex;
    min-height: 178px;
    flex-direction: column;
    padding: 22px;
    border: 1px solid var(--rd-line);
    border-radius: 18px;
    color: var(--rd-ink);
    background: #fff;
    box-shadow: 0 10px 30px rgba(12, 35, 64, .04);
    transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.rd-city-card:hover {
    border-color: rgba(31, 107, 255, .28);
    box-shadow: 0 18px 42px rgba(12, 35, 64, .1);
    transform: translateY(-4px);
}

.rd-city-card span {
    color: var(--rd-blue);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
}

.rd-city-card strong {
    margin-top: 12px;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.55;
}

.rd-city-card small {
    display: block;
    margin-top: 8px;
    color: var(--rd-muted);
    font-size: 10px;
    line-height: 1.65;
}

.rd-city-card em {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 16px;
    color: var(--rd-blue);
    font-size: 10px;
    font-style: normal;
    font-weight: 600;
}

.rd-city-card em i {
    font-size: 15px;
    font-style: normal;
}

.rd-city-more {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

.rd-footer-cities {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 14px;
    padding: 22px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.rd-footer-cities span {
    color: rgba(255, 255, 255, .34);
    font-size: 10px;
    letter-spacing: .08em;
}

.rd-footer-cities a {
    color: rgba(255, 255, 255, .46);
    font-size: 10px;
}

.rd-footer-cities a:hover {
    color: var(--rd-cyan);
}

.rd-footer-all-cities {
    color: var(--rd-cyan) !important;
    font-weight: 600;
}

.rd-city-directory-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    padding: 22px;
    border: 1px solid var(--rd-line);
    border-radius: 18px;
    background: #fff;
    box-shadow: var(--rd-shadow-soft);
}

.rd-city-directory-nav a {
    padding: 6px 11px;
    border-radius: 999px;
    color: var(--rd-ink-soft);
    background: #f3f7fc;
    font-size: 10px;
}

.rd-city-directory-nav a:hover {
    color: #fff;
    background: var(--rd-blue);
}

.rd-city-province-list {
    margin-top: 46px;
}

.rd-city-province {
    padding: 30px 0 34px;
    border-bottom: 1px solid var(--rd-line);
    scroll-margin-top: 100px;
}

.rd-city-province-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 20px;
}

.rd-city-province-head h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 650;
    letter-spacing: -.02em;
}

.rd-city-province-head span {
    color: var(--rd-muted);
    font-size: 10px;
}

.rd-city-directory-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 10px;
}

.rd-city-directory-card {
    display: flex;
    min-height: 82px;
    flex-direction: column;
    padding: 15px 16px;
    border: 1px solid var(--rd-line);
    border-radius: 12px;
    color: var(--rd-ink);
    background: #fbfdff;
    transition: border-color .2s ease, background .2s ease, transform .2s ease;
}

.rd-city-directory-card:hover {
    border-color: rgba(31, 107, 255, .28);
    background: #fff;
    transform: translateY(-2px);
}

.rd-city-directory-card strong {
    font-size: 14px;
    font-weight: 600;
}

.rd-city-directory-card span {
    margin-top: 2px;
    color: var(--rd-muted);
    font-size: 9px;
}

.rd-city-directory-card em {
    margin-top: auto;
    color: var(--rd-blue);
    font-size: 9px;
    font-style: normal;
}

.rd-about-core img {
    display: block;
    width: 76px;
    height: 76px;
    object-fit: contain;
}

.rd-about-logo-card {
    background: #0a1017;
}

.rd-about-logo-card:after {
    display: none;
}

.rd-about-logo-card > img {
    display: block;
    width: 100%;
    height: 100%;
    min-height: 390px;
    object-fit: cover;
}

.rd-about-logo-caption {
    position: absolute;
    z-index: 2;
    right: 18px;
    bottom: 18px;
    padding: 14px 18px;
    border: 1px solid rgba(255, 255, 255, .14);
    border-radius: 16px;
    color: #fff;
    background: rgba(5, 18, 34, .78);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.rd-about-logo-caption span {
    display: block;
    color: var(--rd-cyan);
    font-size: 9px;
    letter-spacing: .15em;
}

.rd-about-logo-caption strong {
    display: block;
    margin-top: 3px;
    font-size: 14px;
    font-weight: 600;
}

.rd-credential-strip {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.rd-credential-item {
    position: relative;
    display: flex;
    min-height: 168px;
    flex-direction: column;
    padding: 26px;
    border: 1px solid var(--rd-line);
    border-radius: 20px;
    color: var(--rd-ink);
    background: #fff;
    box-shadow: var(--rd-shadow-soft);
    overflow: hidden;
    transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.rd-credential-item:after {
    position: absolute;
    right: -32px;
    bottom: -48px;
    width: 150px;
    height: 150px;
    border: 1px solid rgba(201, 163, 93, .22);
    border-radius: 50%;
    content: "";
}

.rd-credential-item:hover {
    border-color: rgba(201, 163, 93, .55);
    box-shadow: var(--rd-shadow);
    transform: translateY(-4px);
}

.rd-credential-item span {
    color: #9a7332;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
}

.rd-credential-item strong {
    margin-top: 18px;
    font-size: 19px;
    font-weight: 650;
}

.rd-credential-item small {
    margin-top: auto;
    padding-top: 18px;
    color: var(--rd-muted);
    font-size: 11px;
}

.rd-project-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-bottom: 34px;
    border: 1px solid var(--rd-line);
    border-radius: 20px;
    background: #fff;
    box-shadow: var(--rd-shadow-soft);
    overflow: hidden;
}

.rd-project-summary > div {
    padding: 24px 26px;
    border-right: 1px solid var(--rd-line);
}

.rd-project-summary > div:last-child {
    border-right: 0;
}

.rd-project-summary strong {
    display: block;
    color: var(--rd-navy);
    font-size: 30px;
    font-weight: 650;
    letter-spacing: -.04em;
}

.rd-project-summary span {
    color: var(--rd-muted);
    font-size: 11px;
}

.rd-project-grid .rd-case-media {
    aspect-ratio: 16 / 10;
}

.rd-project-cover img {
    max-height: none;
    object-fit: cover;
}

.rd-product-detail-cover img {
    width: 100%;
    height: auto;
    max-height: none;
    object-fit: contain;
}

.rd-product-cover.has-case-cover img {
    object-position: left center;
}

.rd-project-gallery-head {
    margin: 54px 0 24px;
    padding-top: 38px;
    border-top: 1px solid var(--rd-line);
}

.rd-project-gallery-head h2 {
    margin: 0;
    font-size: 30px;
    font-weight: 650;
    letter-spacing: -.03em;
}

.rd-project-gallery-head p {
    max-width: 620px;
    margin: 12px 0 0;
    color: var(--rd-ink-soft);
    font-size: 13px;
}

.rd-project-gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
    margin-top: 26px;
}

.rd-project-gallery figure {
    margin: 0;
    padding: 10px;
    border: 1px solid var(--rd-line);
    border-radius: 18px;
    background: #f5f9fd;
    box-shadow: 0 12px 34px rgba(12, 35, 64, .06);
}

.rd-project-gallery img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 12px;
}

.rd-cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
    align-items: start;
}

.rd-cert-card {
    border: 1px solid var(--rd-line);
    border-radius: 24px;
    background: #fff;
    box-shadow: var(--rd-shadow-soft);
    overflow: hidden;
    scroll-margin-top: 100px;
}

.rd-cert-preview {
    display: block;
    padding: 12px;
    background:
        linear-gradient(145deg, rgba(7, 24, 45, .04), rgba(31, 107, 255, .08)),
        #eef5fc;
}

.rd-cert-preview img {
    display: block;
    width: 100%;
    height: auto;
    border: 1px solid rgba(12, 35, 64, .08);
    border-radius: 14px;
    background: #fff;
    box-shadow: 0 16px 40px rgba(12, 35, 64, .12);
}

.rd-cert-body {
    padding: 24px;
}

.rd-cert-body > span {
    color: #9a7332;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .06em;
}

.rd-cert-body h3 {
    margin: 10px 0 18px;
    font-size: 19px;
    font-weight: 650;
    line-height: 1.5;
}

.rd-cert-body dl {
    margin: 0;
}

.rd-cert-body dl > div {
    display: grid;
    grid-template-columns: 66px 1fr;
    gap: 12px;
    padding: 9px 0;
    border-top: 1px solid var(--rd-line);
}

.rd-cert-body dt {
    color: var(--rd-muted);
    font-size: 10px;
    font-weight: 400;
}

.rd-cert-body dd {
    margin: 0;
    color: var(--rd-ink-soft);
    font-size: 11px;
    line-height: 1.65;
}

.rd-cert-download {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 18px;
    padding-top: 18px;
    border-top: 1px solid var(--rd-line);
    color: var(--rd-blue);
    font-size: 12px;
    font-weight: 600;
}

.rd-cert-download span {
    font-size: 16px;
}

.rd-credential-note {
    display: grid;
    grid-template-columns: minmax(260px, .7fr) minmax(0, 1.3fr);
    gap: 44px;
    align-items: center;
    margin-top: 42px;
    padding: 34px 38px;
    border: 1px solid rgba(201, 163, 93, .26);
    border-radius: 24px;
    background: #fbf8f1;
}

.rd-credential-note h2 {
    margin: 0;
    font-size: 27px;
    font-weight: 650;
    letter-spacing: -.03em;
}

.rd-credential-note p {
    margin: 0;
    color: var(--rd-ink-soft);
    font-size: 13px;
    line-height: 1.9;
}

.rd-article-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 18px;
    margin: -8px 0 24px;
    color: var(--rd-muted);
    font-size: 11px;
}

.rd-article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.rd-article-meta span + span:before {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--rd-line);
    content: "";
}

.rd-city-edition-note {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 14px;
    margin: 0 0 20px;
    padding: 12px 16px;
    border: 1px solid rgba(31, 107, 255, .14);
    border-radius: 12px;
    color: var(--rd-ink-soft);
    background: #eef6ff;
    font-size: 11px;
}

.rd-city-edition-note strong {
    color: var(--rd-blue);
    font-size: 12px;
}

.rd-city-edition-note a {
    margin-left: auto;
    color: var(--rd-blue);
    font-weight: 600;
}

.rd-article-toc-card[hidden] {
    display: none;
}

.rd-article-toc {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.rd-article-toc a {
    padding: 6px 0;
    color: var(--rd-ink-soft);
    font-size: 11px;
    line-height: 1.55;
    transition: color .2s ease, padding-left .2s ease;
}

.rd-article-toc a:hover {
    padding-left: 5px;
    color: var(--rd-blue);
}

.rd-article-toc a.is-sub {
    padding-left: 14px;
    color: var(--rd-muted);
    font-size: 10px;
}

.rd-article-body h2,
.rd-article-body h3 {
    scroll-margin-top: 104px;
}

.rd-article-body figure {
    margin: 34px 0;
    padding: 12px;
    border: 1px solid var(--rd-line);
    border-radius: 18px;
    background: #f5f9fd;
}

.rd-article-body figure img {
    display: block;
    width: 100%;
    height: auto;
    border-radius: 12px;
    background: #fff;
}

.rd-article-body figcaption {
    margin-top: 10px;
    color: var(--rd-muted);
    font-size: 11px;
    line-height: 1.7;
    text-align: center;
}

.rd-table-wrap {
    margin: 26px 0;
    border: 1px solid var(--rd-line);
    border-radius: 16px;
    overflow-x: auto;
}

.rd-article-body table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    font-size: 12px;
    line-height: 1.7;
}

.rd-article-body th,
.rd-article-body td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--rd-line);
    vertical-align: top;
    text-align: left;
}

.rd-article-body th {
    color: var(--rd-ink);
    background: #f2f7ff;
    font-weight: 600;
    white-space: nowrap;
}

.rd-article-body td {
    color: var(--rd-ink-soft);
}

.rd-article-body tr:last-child td {
    border-bottom: 0;
}

.rd-article-body details.rd-faq-item {
    margin: 0;
}

.rd-article-body details.rd-faq-item p {
    margin-bottom: 18px;
}

[data-reveal] {
    opacity: 1;
    transform: none;
}

.rd-animations [data-reveal] {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity .7s ease, transform .7s cubic-bezier(.22, 1, .36, 1);
}

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

[data-reveal-delay="1"] {
    transition-delay: .08s;
}

[data-reveal-delay="2"] {
    transition-delay: .16s;
}

[data-reveal-delay="3"] {
    transition-delay: .24s;
}

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

    .rd-animations [data-reveal] {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

@media (max-width: 1100px) {
    .rd-nav {
        gap: 14px;
    }

    .rd-nav-item a {
        padding-right: 9px;
        padding-left: 9px;
    }

    .rd-hero-grid {
        grid-template-columns: 1fr 420px;
        gap: 30px;
    }

    .rd-about-grid {
        gap: 46px;
    }

    .rd-product-card {
        grid-template-columns: 160px 1fr;
    }

    .rd-footer-grid {
        gap: 34px;
    }
}

@media (max-width: 900px) {
    .rd-container {
        width: min(var(--rd-container), calc(100% - 36px));
    }

    .rd-header-inner {
        height: 70px;
    }

    .rd-menu-toggle {
        display: block;
    }

    .rd-nav {
        position: absolute;
        top: 70px;
        right: 18px;
        left: 18px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 18px;
        border: 1px solid rgba(255, 255, 255, .1);
        border-radius: 20px;
        background: rgba(5, 18, 34, .98);
        box-shadow: 0 24px 60px rgba(0, 0, 0, .32);
    }

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

    .rd-nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }

    .rd-nav-item a {
        padding: 13px 10px;
        border-bottom: 1px solid rgba(255, 255, 255, .06);
    }

    .rd-nav-item a:after {
        display: none;
    }

    .rd-nav-contact {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 18px;
        margin: 16px 0;
        color: rgba(255, 255, 255, .42);
        font-size: 11px;
    }

    .rd-nav-contact a {
        color: var(--rd-cyan);
        font-size: 16px;
        font-weight: 600;
    }

    .rd-nav-cta {
        width: 100%;
    }

    .rd-hero {
        padding-top: 126px;
    }

    .rd-hero-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        padding-bottom: 26px;
    }

    .rd-hero-visual {
        min-height: 440px;
    }

    .rd-dashboard {
        margin: 24px 20px 0;
    }

    .rd-float-card {
        right: 8px;
        bottom: 10px;
    }

    .rd-stats-bar {
        grid-template-columns: 1fr 1fr;
    }

    .rd-stat {
        padding: 24px 14px !important;
        border-bottom: 1px solid rgba(255, 255, 255, .08);
    }

    .rd-stat:nth-child(2) {
        border-right: 0;
    }

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

    .rd-section-head {
        display: block;
        margin-bottom: 38px;
    }

    .rd-section-head .rd-text-link {
        margin-top: 18px;
    }

    .rd-about-grid,
    .rd-about-page-grid,
    .rd-contact-grid {
        grid-template-columns: 1fr;
    }

    .rd-city-hero-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .rd-city-scenario-grid,
    .rd-city-value-grid {
        grid-template-columns: 1fr 1fr;
    }

    .rd-city-grid {
        grid-template-columns: 1fr 1fr;
    }

    .rd-city-directory-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .rd-about-visual {
        min-height: 460px;
    }

    .rd-service-grid,
    .rd-case-grid,
    .rd-case-page-grid,
    .rd-value-grid {
        grid-template-columns: 1fr 1fr;
    }

    .rd-case-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .rd-case-grid .rd-case-card:last-child {
        grid-column: 1 / -1;
    }

    .rd-process-grid {
        grid-template-columns: 1fr 1fr;
    }

    .rd-process-item:not(:last-child):after {
        display: none;
    }

    .rd-cta-inner {
        display: block;
    }

    .rd-cta-actions {
        margin-top: 30px;
    }

    .rd-layout-grid,
    .rd-detail-grid {
        grid-template-columns: 1fr;
    }

    .rd-page-aside {
        position: static;
    }

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

    .rd-value-strip {
        grid-template-columns: 1fr 1fr;
    }

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

    .rd-footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 620px) {
    .rd-header-inner {
        gap: 12px;
    }

    .rd-brand {
        min-width: 0;
    }

    .rd-brand-copy {
        min-width: 0;
    }

    .rd-brand-copy strong,
    .rd-brand-copy small {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .rd-menu-toggle {
        flex: 0 0 auto;
    }

    .rd-container {
        width: calc(100% - 28px);
    }

    .rd-brand-copy strong {
        font-size: 16px;
    }

    .rd-brand-copy small {
        font-size: 8px;
    }

    .rd-brand-mark {
        width: 38px;
        height: 38px;
    }

    .rd-hero {
        min-height: 0;
        padding-top: 118px;
    }

    .rd-display {
        font-size: 39px;
    }

    .rd-lead {
        font-size: 14px;
    }

    .rd-hero-actions .rd-button {
        flex: 1;
        padding: 0 16px;
    }

    .rd-hero-points {
        gap: 10px 18px;
    }

    .rd-hero-visual {
        min-height: 390px;
    }

    .rd-orbit {
        width: 390px;
        height: 390px;
    }

    .rd-dashboard {
        margin: 20px 0 0;
        padding: 17px;
        border-radius: 22px;
    }

    .rd-dash-title h3 {
        font-size: 21px;
    }

    .rd-chart {
        height: 140px;
    }

    .rd-dash-metrics {
        gap: 6px;
    }

    .rd-dash-metric {
        padding: 10px;
    }

    .rd-dash-metric strong {
        font-size: 14px;
    }

    .rd-float-card {
        right: -2px;
        bottom: -4px;
        min-width: 190px;
        padding: 12px 14px;
    }

    .rd-stat strong {
        font-size: 25px;
    }

    .rd-section {
        padding: 68px 0;
    }

    .rd-h2 {
        font-size: 31px;
    }

    .rd-about-visual {
        min-height: 410px;
    }

    .rd-about-frame {
        right: 8px;
    }

    .rd-about-frame-content {
        inset: 24px;
    }

    .rd-about-orbit {
        width: 220px;
        height: 220px;
    }

    .rd-about-orbit:before {
        inset: 34px;
    }

    .rd-about-orbit:after {
        inset: 68px;
    }

    .rd-about-float {
        width: 150px;
        padding: 16px;
    }

    .rd-about-highlights {
        grid-template-columns: 1fr;
    }

    .rd-service-grid,
    .rd-case-grid,
    .rd-case-page-grid,
    .rd-value-grid,
    .rd-process-grid,
    .rd-value-strip {
        grid-template-columns: 1fr;
    }

    .rd-city-scenario-grid,
    .rd-city-value-grid,
    .rd-city-points,
    .rd-city-grid {
        grid-template-columns: 1fr;
    }

    .rd-city-directory-grid {
        grid-template-columns: 1fr 1fr;
    }

    .rd-city-hero-card {
        padding: 24px;
    }

    .rd-city-hero-card strong {
        font-size: 32px;
    }

    .rd-case-grid .rd-case-card:last-child {
        grid-column: auto;
    }

    .rd-case-page-grid .rd-case-card:first-child {
        display: flex;
        grid-column: auto;
    }

    .rd-case-page-grid .rd-case-card:first-child .rd-case-media {
        min-height: 0;
        aspect-ratio: 16 / 10;
    }

    .rd-case-page-grid .rd-case-card:first-child .rd-case-body {
        padding: 24px;
    }

    .rd-case-page-grid .rd-case-card:first-child h3 {
        font-size: 20px;
    }

    .rd-cta-actions {
        flex-direction: column;
    }

    .rd-page-hero {
        padding: 145px 0 70px;
    }

    .rd-page-hero h1 {
        font-size: 37px;
    }

    .rd-inner-section {
        padding: 62px 0;
    }

    .rd-panel,
    .rd-contact-card {
        padding: 24px;
    }

    .rd-product-card {
        grid-template-columns: 1fr;
    }

    .rd-product-cover {
        min-height: 190px;
        aspect-ratio: 16 / 9;
    }

    .rd-feature-grid,
    .rd-metric-row {
        grid-template-columns: 1fr;
    }

    .rd-footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .rd-footer-brand {
        grid-column: auto;
    }

    .rd-footer-bottom {
        display: block;
    }

    .rd-footer-bottom p + p {
        margin-top: 7px;
    }

    .rd-backtop {
        right: 16px;
        bottom: 16px;
    }
}

@media (max-width: 900px) {
    .rd-header > .rd-container {
        width: 100%;
        padding-right: 18px;
        padding-left: 18px;
    }

    .rd-header-inner {
        position: relative;
    }

    .rd-menu-toggle {
        position: fixed;
        top: 13px;
        right: 16px;
        z-index: 120;
    }

    .rd-credential-strip,
    .rd-cert-grid {
        grid-template-columns: 1fr 1fr;
    }

    .rd-credential-item:last-child,
    .rd-cert-card:last-child {
        grid-column: 1 / -1;
    }

    .rd-project-summary {
        grid-template-columns: 1fr 1fr;
    }

    .rd-project-summary > div:nth-child(2) {
        border-right: 0;
    }

    .rd-project-summary > div:nth-child(-n+2) {
        border-bottom: 1px solid var(--rd-line);
    }

    .rd-project-gallery {
        grid-template-columns: 1fr 1fr;
    }

    .rd-credential-note {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 620px) {
    .rd-credential-strip,
    .rd-cert-grid,
    .rd-project-gallery {
        grid-template-columns: 1fr;
    }

    .rd-city-guide-grid {
        grid-template-columns: 1fr;
    }

    .rd-credential-item:last-child,
    .rd-cert-card:last-child {
        grid-column: auto;
    }

    .rd-project-summary {
        grid-template-columns: 1fr 1fr;
    }

    .rd-project-summary > div {
        padding: 18px;
    }

    .rd-project-summary strong {
        font-size: 25px;
    }

    .rd-credential-note {
        padding: 26px;
    }

    .rd-about-logo-card > img {
        min-height: 260px;
    }
}