:root {
    --blue: #006DFF;
    --blue-dark: #0057CC;
    --blue-soft: #EAF1FF;
    --blue-line: #C7DBFF;
    --ink: #0A0A0A;
    --ink-2: #1F2430;
    --muted: #5F6470;
    --muted-2: #9AA0AC;
    --line: #EDEFF3;
    --line-strong: #DFE3EA;
    --bg: #FFFFFF;
    --bg-soft: #F4F5F9;
    --green: #12805C;
    --green-soft: #E9F7F1;
    --amber: #A86400;
    --amber-soft: #FFF5E5;
    --red: #C0392B;
    --red-soft: #FDEDEC;
    --radius-sm: 8px;
    --radius: 16px;
    --radius-lg: 24px;
    --radius-xl: 28px;
    --container: 1240px;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;
    --shadow-sm: 0 2px 8px rgba(10, 10, 10, 0.04);
    --shadow-md: 0 24px 48px -24px rgba(10, 20, 40, 0.28);
}

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

html {
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: #3D4351;
    background: var(--bg);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, p, ul, ol, figure {
    margin: 0;
}

h1, h2, h3, h4 {
    color: var(--ink);
    font-weight: 700;
    letter-spacing: -0.02em;
}

ul, ol {
    padding: 0;
    list-style: none;
}

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

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

button, input, textarea, select {
    font: inherit;
    color: inherit;
}

button {
    cursor: pointer;
}

::selection {
    background: var(--blue);
    color: #fff;
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 32px;
}

.skip-link {
    position: absolute;
    left: 16px;
    top: -60px;
    z-index: 200;
    padding: 10px 18px;
    background: var(--ink);
    color: #fff;
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.skip-link:focus {
    top: 12px;
}

.icon {
    width: 20px;
    height: 20px;
    flex: 0 0 auto;
}

.icon-sm {
    width: 16px;
    height: 16px;
}

.icon-xs {
    width: 14px;
    height: 14px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--blue);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.04em;
}

.eyebrow::before {
    content: "";
    width: 6px;
    height: 6px;
    background: currentColor;
    border-radius: 50%;
}

.eyebrow--light {
    color: #7FB0FF;
}

.section {
    padding: 120px 0;
}

.section--soft {
    background: #F7F8FB;
}

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 56px;
    margin-bottom: 56px;
}

.section-head h2 {
    margin-top: 16px;
    font-size: clamp(30px, 3.2vw, 42px);
    font-weight: 700;
    line-height: 1.18;
}

.section-head p {
    max-width: 460px;
    padding-bottom: 4px;
    color: var(--muted);
    font-size: 16.5px;
    line-height: 1.75;
}

.section-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding-bottom: 6px;
    color: var(--ink);
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
    transition: color 0.18s ease, gap 0.18s ease;
}

.section-link:hover {
    gap: 10px;
    color: var(--blue);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 26px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    line-height: 1;
    white-space: nowrap;
    transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.btn-sm {
    height: 38px;
    padding: 0 18px;
    border-radius: 7px;
    font-size: 13.5px;
}

.btn-lg {
    height: 54px;
    padding: 0 32px;
    border-radius: 10px;
    font-size: 16px;
}

.btn-primary {
    background: var(--blue);
    border-color: var(--blue);
    color: #fff;
    box-shadow: 0 10px 24px -12px rgba(0, 109, 255, 0.7);
}

.btn-primary:hover {
    background: var(--blue-dark);
    border-color: var(--blue-dark);
    transform: translateY(-1px);
}

.btn-ghost {
    background: #fff;
    border-color: var(--line-strong);
    color: var(--ink);
}

.btn-ghost:hover {
    border-color: var(--ink);
}

.btn-light {
    background: #fff;
    border-color: #fff;
    color: var(--ink);
}

.btn-light:hover {
    background: #F2F4F8;
}

.btn-outline-light {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.28);
    color: #fff;
    box-shadow: none;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-danger {
    background: var(--red-soft);
    border-color: #F5C6C0;
    color: var(--red);
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: rgba(255, 255, 255, 0.88);
    border-bottom: 1px solid transparent;
    backdrop-filter: saturate(180%) blur(18px);
    -webkit-backdrop-filter: saturate(180%) blur(18px);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.site-header.is-scrolled {
    border-bottom-color: var(--line);
}

.header-inner {
    display: flex;
    align-items: center;
    height: 68px;
    gap: 40px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}

.brand-text strong {
    color: var(--ink);
    font-size: 19px;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.brand-text small {
    margin-top: 5px;
    color: var(--muted-2);
    font-size: 8.5px;
    letter-spacing: 0.2em;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 34px;
    margin-right: auto;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 0;
    color: #2A2F3A;
    font-size: 15px;
    font-weight: 500;
    transition: color 0.16s ease;
}

.nav-link:hover {
    color: var(--ink);
}

.nav-link.is-active {
    color: var(--blue);
    font-weight: 600;
}

.caret {
    margin-top: 1px;
    transition: transform 0.18s ease;
}

.has-dropdown:hover .caret {
    transform: rotate(180deg);
}

.has-dropdown::after {
    content: "";
    position: absolute;
    left: -24px;
    right: -24px;
    top: 100%;
    height: 24px;
}

.dropdown {
    position: absolute;
    top: calc(100% + 12px);
    left: -28px;
    z-index: 70;
    width: 640px;
    padding: 22px;
    background: #fff;
    border: 0;
    border-radius: 20px;
    box-shadow: 0 30px 70px -24px rgba(10, 20, 40, 0.28);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
}

.has-dropdown:hover .dropdown,
.has-dropdown:focus-within .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 8px 14px;
    color: var(--muted-2);
    font-size: 12px;
    letter-spacing: 0.1em;
}

.dropdown-head a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--blue);
    font-size: 13px;
    letter-spacing: 0;
}

.dropdown-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 10px;
    border-radius: 14px;
    transition: background 0.16s ease;
}

.dropdown-item:hover {
    background: var(--bg-soft);
}

.dropdown-icon {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    background: var(--blue-soft);
    border-radius: 13px;
    color: var(--blue);
}

.dropdown-icon svg {
    width: 20px;
    height: 20px;
}

.dropdown-copy {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.dropdown-copy strong {
    color: var(--ink);
    font-size: 15px;
    font-weight: 600;
}

.dropdown-copy em {
    margin-top: 2px;
    color: var(--muted);
    font-size: 12.5px;
    font-style: normal;
}

.dropdown-foot {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 14px;
    padding: 16px 8px 0;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 13px;
}

.dropdown-foot span {
    color: var(--muted-2);
    font-size: 12px;
    letter-spacing: 0.08em;
}

.dropdown-foot a:hover {
    color: var(--blue);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 0 0 auto;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    background: var(--bg-soft);
    border-radius: 8px;
}

.lang-switch a {
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    color: var(--ink-3);
    line-height: 1;
    transition: background 0.16s ease, color 0.16s ease;
}

.lang-switch a:hover {
    color: var(--ink);
}

.lang-switch a.is-active {
    background: #fff;
    color: var(--blue);
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
}

.icon-btn {
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 10px;
    color: var(--ink-2);
    transition: background 0.16s ease, color 0.16s ease;
}

.icon-btn:hover {
    background: var(--bg-soft);
    color: var(--ink);
}

.menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    background: var(--bg-soft);
    border: 0;
    border-radius: 10px;
    color: var(--ink);
}

.menu-toggle .menu-close {
    display: none;
}

.menu-toggle.is-open .menu-open {
    display: none;
}

.menu-toggle.is-open .menu-close {
    display: block;
}

/* Hero */
.hero {
    padding: 20px 0 0;
}

.hero-card {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 540px;
    padding: clamp(40px, 6vw, 88px);
    overflow: hidden;
    background:
        radial-gradient(70% 90% at 86% 8%, rgba(0, 109, 255, 0.55), transparent 60%),
        radial-gradient(55% 70% at 16% 96%, rgba(0, 74, 190, 0.45), transparent 62%),
        linear-gradient(135deg, #0B1B33 0%, #061024 56%, #04070F 100%);
    border-radius: var(--radius-lg);
    color: #fff;
}

.hero-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.055) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.055) 1px, transparent 1px);
    background-size: 72px 72px;
    -webkit-mask-image: radial-gradient(80% 90% at 72% 10%, #000, transparent 72%);
    mask-image: radial-gradient(80% 90% at 72% 10%, #000, transparent 72%);
    pointer-events: none;
}

.hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.hero-bg .hb-flow {
    stroke-dasharray: 190 310;
    animation: hbDash 16s linear infinite;
}

.hero-bg .hb-flow--b {
    animation-duration: 21s;
    animation-delay: -6s;
}

.hero-bg .hb-flow--c {
    animation-duration: 26s;
    animation-delay: -13s;
}

.hero-bg .hb-flow--d {
    animation-duration: 19s;
    animation-delay: -3s;
}

.hero-bg .hb-glow {
    transform-box: fill-box;
    transform-origin: center;
    animation: hbBreathe 18s ease-in-out infinite;
}

.hero-bg .hb-glow--b {
    animation-duration: 24s;
    animation-delay: -8s;
}

.hero-bg .hb-dots circle {
    transform-box: fill-box;
    transform-origin: center;
    animation: hzTwinkle 6.2s ease-in-out infinite;
}

@keyframes hbDash {
    from {
        stroke-dashoffset: 500;
    }
    to {
        stroke-dashoffset: 0;
    }
}

@keyframes hbBreathe {
    0%, 100% {
        transform: scale(1);
        opacity: 0.75;
    }
    50% {
        transform: scale(1.16);
        opacity: 1;
    }
}

@keyframes hzTwinkle {
    0%, 100% {
        opacity: 0.25;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1.25);
    }
}

.hero-copy {
    position: relative;
    z-index: 1;
    max-width: 780px;
}

.hero-card .eyebrow {
    color: #7FB0FF;
}

.hero-copy h1 {
    margin: 20px 0 22px;
    color: #fff;
    font-size: clamp(38px, 4.4vw, 56px);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.035em;
}

.hero-sub {
    max-width: 560px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 17.5px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 36px 0 30px;
}

.hero-card .btn-primary {
    box-shadow: 0 12px 28px -10px rgba(0, 109, 255, 0.9);
}

.hero-card .btn-ghost {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.28);
    color: #fff;
    box-shadow: none;
}

.hero-card .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.5);
}

.hero-points {
    display: flex;
    flex-wrap: wrap;
    gap: 26px;
    color: rgba(255, 255, 255, 0.62);
    font-size: 14px;
}

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

.hero-points svg {
    color: #5E9BFF;
}

/* Products */
.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.product-grid--list {
    grid-template-columns: repeat(3, 1fr);
}

.product-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 320px;
    padding: 30px;
    overflow: hidden;
    background: var(--bg-soft);
    border: 0;
    border-radius: var(--radius-lg);
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.product-card::after {
    content: "";
    position: absolute;
    top: -50px;
    right: -50px;
    width: 170px;
    height: 170px;
    background: radial-gradient(circle, rgba(0, 109, 255, 0.1), transparent 70%);
    pointer-events: none;
}

.product-card:hover {
    background: #EFF2F8;
    box-shadow: var(--shadow-md);
    transform: translateY(-6px);
}

.product-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
}

.product-icon {
    display: grid;
    place-items: center;
    width: 60px;
    height: 60px;
    background: #fff;
    border-radius: 18px;
    color: var(--blue);
    box-shadow: 0 10px 24px -12px rgba(0, 109, 255, 0.55);
}

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

.product-cat {
    padding: 5px 12px;
    background: #fff;
    border-radius: 999px;
    color: var(--muted);
    font-size: 11.5px;
}

.product-card h3 {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.32;
}

.product-sub {
    margin-top: 6px;
    color: var(--muted);
    font-size: 13.5px;
}

.product-desc {
    flex: 1;
    margin: 12px 0 24px;
    color: #5A6070;
    font-size: 14px;
    line-height: 1.8;
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: auto;
    color: var(--ink);
    font-size: 14px;
    font-weight: 600;
}

.product-link svg {
    transition: transform 0.18s ease;
}

.product-card:hover .product-link {
    color: var(--blue);
}

.product-card:hover .product-link svg {
    transform: translateX(4px);
}

.products-note {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--line);
    color: var(--muted);
    font-size: 14px;
}

.products-note span,
.products-note a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.products-note a {
    color: var(--blue);
    font-weight: 600;
    white-space: nowrap;
}

/* Value */
.value-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.value-card {
    position: relative;
    padding: 32px;
    overflow: hidden;
    background: #fff;
    border: 0;
    border-radius: var(--radius-lg);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.value-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.value-index {
    position: absolute;
    top: 20px;
    right: 26px;
    color: #E8EBF1;
    font-size: 44px;
    font-weight: 700;
    letter-spacing: -0.05em;
    line-height: 1;
}

.value-icon {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    background: var(--blue-soft);
    border-radius: 12px;
    color: var(--blue);
}

.value-icon svg {
    width: 20px;
    height: 20px;
}

.value-card h3 {
    margin: 22px 0 10px;
    font-size: 20px;
}

.value-card p {
    color: var(--muted);
    font-size: 14.5px;
    line-height: 1.8;
}

/* Solutions */
.solution-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.solution-card {
    display: flex;
    flex-direction: column;
    min-height: 260px;
    padding: 32px;
    background: var(--bg-soft);
    border: 0;
    border-radius: var(--radius-lg);
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.solution-card:hover {
    background: #EFF2F8;
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.solution-tag {
    align-self: flex-start;
    padding: 5px 12px;
    background: #fff;
    border-radius: 999px;
    color: var(--blue);
    font-size: 11.5px;
    font-weight: 600;
}

.solution-card h3 {
    margin: 18px 0 10px;
    font-size: 21px;
    line-height: 1.4;
}

.solution-card p {
    flex: 1;
    color: var(--muted);
    font-size: 14.5px;
    line-height: 1.8;
}

.solution-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 20px;
    color: var(--ink);
    font-size: 14px;
    font-weight: 600;
}

.solution-card:hover .solution-link {
    color: var(--blue);
}

/* Metrics */
.metrics-band {
    padding: 0 0 120px;
    background: #fff;
}

.metrics-band .container {
    max-width: var(--container);
    padding: 64px 56px;
    background: #0A0A0A;
    border-radius: var(--radius-xl);
    color: #fff;
}

.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
}

.metric {
    padding-left: 32px;
    border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.metric:first-child {
    padding-left: 0;
    border-left: 0;
}

.metric strong {
    display: block;
    color: #fff;
    font-size: 52px;
    font-weight: 700;
    letter-spacing: -0.04em;
    line-height: 1;
}

.metric strong span {
    color: #5E9BFF;
    font-size: 32px;
}

.metric > span {
    display: block;
    margin-top: 12px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 15px;
}

.metric small {
    display: block;
    margin-top: 6px;
    color: rgba(255, 255, 255, 0.42);
    font-size: 13px;
    line-height: 1.6;
}

/* News */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.news-card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background: var(--bg-soft);
    border-radius: var(--radius-lg);
    transition: background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.news-card:hover {
    background: #EFF2F8;
    box-shadow: var(--shadow-md);
    transform: translateY(-6px);
}

.news-cover {
    position: relative;
    display: block;
    height: 190px;
    overflow: hidden;
    background:
        radial-gradient(120% 130% at 18% 0%, rgba(0, 109, 255, 0.55), transparent 58%),
        linear-gradient(140deg, #0B1B33 0%, #071122 100%);
}

.news-cover::after {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.06) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 44px 44px;
    -webkit-mask-image: radial-gradient(80% 100% at 30% 0%, #000, transparent 76%);
    mask-image: radial-gradient(80% 100% at 30% 0%, #000, transparent 76%);
}

.news-cat {
    position: absolute;
    top: 18px;
    left: 20px;
    z-index: 1;
    padding: 5px 12px;
    background: rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    color: #fff;
    font-size: 11.5px;
    backdrop-filter: blur(6px);
}

.news-card-body {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 24px 26px 28px;
}

.news-date {
    color: var(--muted-2);
    font-size: 12.5px;
}

.news-card-body h3 {
    margin: 10px 0 8px;
    font-size: 19px;
    font-weight: 600;
    line-height: 1.45;
}

.news-card-body p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.75;
}

.news-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
    color: var(--ink);
    font-size: 13.5px;
    font-weight: 600;
}

.news-card:hover .news-arrow {
    color: var(--blue);
}

/* Inline link arrows: optical alignment */
.product-link,
.solution-link,
.news-arrow,
.section-link,
.products-note a,
.footer-link-strong {
    gap: 5px;
}

.product-link svg,
.solution-link svg,
.news-arrow svg,
.section-link svg,
.products-note a svg,
.footer-link-strong svg {
    width: 16px;
    height: 16px;
    overflow: visible;
    stroke-width: 2;
    transform: translateY(-1px);
}

/* Closing hero */
.closing-hero {
    position: relative;
    z-index: 1;
    padding: 140px 0 80px;
}

.closing-inner {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 56px;
}

.closing-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #5E9BFF;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: 0.14em;
}

.closing-eyebrow::before {
    content: "";
    width: 20px;
    height: 1px;
    background: currentColor;
}

.closing-mark {
    margin: 22px 0 0;
    color: #fff;
    font-size: clamp(38px, 8.4vw, 100px);
    font-weight: 700;
    line-height: 0.92;
    letter-spacing: -0.03em;
}

.closing-mark span {
    color: var(--blue);
}

.closing-line {
    margin-top: 24px;
    color: rgba(255, 255, 255, 0.6);
    font-size: clamp(18px, 1.8vw, 26px);
    line-height: 1.55;
}

.closing-actions {
    display: flex;
    flex: 0 0 auto;
    flex-wrap: wrap;
    gap: 14px;
    padding-bottom: 6px;
}

/* Footer */
.site-footer {
    position: relative;
    background: #000;
    color: #8A8F99;
}

.footer-main,
.footer-bottom {
    position: relative;
    z-index: 1;
}

.footer-main {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    align-items: start;
    gap: 48px;
    padding: 24px 32px 56px;
}

.brand--footer .brand-text strong {
    color: #fff;
}

.brand--footer .brand-text small {
    color: #6B7280;
}

.footer-brand > p {
    max-width: 320px;
    margin-top: 16px;
    color: #8A8F99;
    font-size: 14px;
    line-height: 1.8;
}

.footer-contact-line {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-top: 12px;
    color: #8A8F99;
    font-size: 13.5px;
    line-height: 1.65;
}

.footer-contact-line svg {
    flex: none;
    color: #5E9BFF;
}

.footer-contact-line a:hover {
    color: #fff;
}

.footer-link-strong {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 22px;
    color: #fff !important;
    font-size: 14px;
    font-weight: 600;
    transition: gap 0.18s ease;
}

.footer-link-strong:hover {
    gap: 10px;
}

.footer-col h3 {
    margin-bottom: 18px;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
}

.footer-col ul {
    display: grid;
    gap: 12px;
}

.footer-col li,
.footer-col li a {
    color: #8A8F99;
    font-size: 13.5px;
}

.footer-col a:hover {
    color: #fff;
}

.footer-col--contact h3 {
    margin-bottom: 6px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-bottom-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px 18px;
    padding-top: 24px;
    padding-bottom: 28px;
    color: #6B7280;
    font-size: 12.5px;
}

.footer-legal {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

.footer-legal a:hover {
    color: #fff;
}

/* Inner page hero */
.page-hero {
    padding: 88px 0 56px;
    background: var(--bg-soft);
}

.page-hero h1 {
    margin: 18px 0 14px;
    font-size: clamp(34px, 4.2vw, 52px);
    line-height: 1.15;
    letter-spacing: -0.03em;
}

.page-hero p {
    max-width: 720px;
    color: var(--muted);
    font-size: 16.5px;
    line-height: 1.8;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    color: var(--muted-2);
    font-size: 13px;
}

.breadcrumb a:hover {
    color: var(--blue);
}

.breadcrumb span.sep {
    color: #C3CBD8;
}

.breadcrumb span.current {
    color: var(--muted);
}

.page-section {
    padding: 96px 0 120px;
}

.layout-with-sidebar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
    gap: 48px;
}

.sidebar {
    position: sticky;
    top: 96px;
    display: grid;
    gap: 20px;
}

.side-card {
    padding: 24px;
    background: var(--bg-soft);
    border: 0;
    border-radius: 20px;
}

.side-card-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
    padding-bottom: 14px;
    border-bottom: 1px solid #E5E8EF;
    color: var(--ink);
    font-size: 15px;
    font-weight: 600;
}

.side-card-title a {
    color: var(--muted);
    font-size: 12px;
    font-weight: 400;
}

.side-links {
    display: grid;
}

.side-links a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 9px 0;
    color: var(--muted);
    font-size: 13.5px;
}

.side-links a:hover,
.side-links a.is-active {
    color: var(--blue);
}

.side-links em {
    color: var(--muted-2);
    font-size: 11.5px;
    font-style: normal;
}

.side-products {
    display: grid;
    gap: 4px;
}

.side-product {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 0;
}

.side-product-icon {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    background: #fff;
    border-radius: 11px;
    color: var(--blue);
}

.side-product-icon svg {
    width: 16px;
    height: 16px;
}

.side-product strong {
    display: block;
    color: var(--ink);
    font-size: 13.5px;
    font-weight: 600;
}

.side-product small {
    display: block;
    color: var(--muted);
    font-size: 11.5px;
}

.side-product:hover strong {
    color: var(--blue);
}

.side-note {
    padding: 24px;
    background: linear-gradient(150deg, #0B1B33 0%, #061024 100%);
    border: 0;
    border-radius: 20px;
    color: #fff;
}

.side-note h3 {
    color: #fff;
    font-size: 17px;
}

.side-note p {
    margin: 8px 0 16px;
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
    line-height: 1.7;
}

/* Product list */
.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
}

.filter-tabs a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 18px;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    color: var(--muted);
    font-size: 14px;
    transition: border-color 0.16s ease, color 0.16s ease, background 0.16s ease;
}

.filter-tabs a:hover {
    border-color: var(--ink);
    color: var(--ink);
}

.filter-tabs a.is-active {
    background: var(--ink);
    border-color: var(--ink);
    color: #fff;
}

.filter-count {
    display: inline-block;
    min-width: 20px;
    padding: 0 6px;
    border-radius: 9px;
    background: rgba(10, 10, 10, 0.06);
    color: inherit;
    font-size: 11px;
    line-height: 18px;
    text-align: center;
}

.filter-tabs a.is-active .filter-count {
    background: rgba(255, 255, 255, 0.2);
}

.list-meta {
    margin-bottom: 24px;
    color: var(--muted);
    font-size: 14px;
}

/* Product detail */
.detail-hero {
    padding: 72px 0 88px;
    background: var(--bg-soft);
}

.detail-grid {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    align-items: center;
    gap: 64px;
    margin-top: 28px;
}

.detail-copy h1 {
    margin: 12px 0 6px;
    font-size: clamp(38px, 4.4vw, 54px);
    line-height: 1.12;
    letter-spacing: -0.03em;
}

.detail-subtitle {
    color: var(--blue);
    font-size: 16px;
    font-weight: 500;
}

.detail-summary {
    max-width: 580px;
    margin: 18px 0 24px;
    color: var(--muted);
    font-size: 16.5px;
    line-height: 1.9;
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
}

.tag {
    padding: 6px 14px;
    background: #fff;
    border: 1px solid var(--line-strong);
    border-radius: 999px;
    color: var(--muted);
    font-size: 13px;
}

.detail-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.detail-panel {
    padding: 32px;
    background: #fff;
    border: 0;
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 70px -40px rgba(10, 20, 40, 0.35);
}

.detail-panel-head {
    display: flex;
    align-items: center;
    gap: 14px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--line);
}

.detail-panel-icon {
    display: grid;
    place-items: center;
    width: 56px;
    height: 56px;
    background: var(--blue-soft);
    border-radius: 16px;
    color: var(--blue);
}

.detail-panel-icon svg {
    width: 26px;
    height: 26px;
}

.detail-panel-head h3 {
    font-size: 20px;
}

.detail-panel-head p {
    color: var(--muted);
    font-size: 13px;
}

.panel-rows {
    padding: 10px 0 6px;
}

.panel-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 13px 0;
    border-bottom: 1px dashed var(--line);
    font-size: 14px;
}

.panel-row:last-child {
    border-bottom: 0;
}

.panel-row span {
    color: var(--muted);
}

.panel-row strong {
    color: var(--ink);
    font-weight: 600;
}

.detail-panel .btn {
    width: 100%;
    margin-top: 16px;
}

.panel-note {
    margin-top: 12px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.6;
    text-align: center;
}

.detail-section {
    padding: 96px 0;
}

.detail-section + .detail-section {
    border-top: 1px solid var(--line);
}

.detail-section-head {
    margin-bottom: 44px;
}

.detail-section-head h2 {
    margin-top: 14px;
    font-size: clamp(28px, 3vw, 38px);
}

.detail-section-head p {
    max-width: 660px;
    margin-top: 12px;
    color: var(--muted);
    font-size: 16px;
    line-height: 1.8;
}

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

.feature-card {
    padding: 30px;
    background: var(--bg-soft);
    border: 0;
    border-radius: var(--radius-lg);
}

.feature-icon {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    background: #fff;
    border-radius: 12px;
    color: var(--blue);
}

.feature-icon svg {
    width: 20px;
    height: 20px;
}

.feature-card h3 {
    margin: 18px 0 8px;
    font-size: 19px;
}

.feature-card p {
    color: var(--muted);
    font-size: 14.5px;
    line-height: 1.8;
}

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

.scene-card {
    padding: 30px;
    background: var(--bg-soft);
    border-radius: var(--radius-lg);
}

.scene-index {
    color: var(--blue);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.14em;
}

.scene-card h3 {
    margin: 10px 0 8px;
    font-size: 19px;
}

.scene-card p {
    color: var(--muted);
    font-size: 14.5px;
    line-height: 1.8;
}

.faq-list {
    max-width: 860px;
    border-top: 1px solid var(--line);
}

.faq-item {
    padding: 22px 0;
    border-bottom: 1px solid var(--line);
}

.faq-item summary {
    position: relative;
    padding-right: 40px;
    color: var(--ink);
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    list-style: none;
}

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

.faq-item summary::after {
    content: "+";
    position: absolute;
    top: -2px;
    right: 4px;
    color: var(--muted);
    font-size: 24px;
    font-weight: 300;
    line-height: 1.3;
}

.faq-item[open] summary::after {
    content: "−";
}

.faq-item p {
    max-width: 760px;
    margin-top: 12px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.85;
}

/* Rich text */
.rich-text {
    max-width: 840px;
    color: #3D4351;
    font-size: 16px;
    line-height: 1.9;
}

.rich-text > *:first-child {
    margin-top: 0;
}

.rich-text h2 {
    margin: 44px 0 16px;
    font-size: 30px;
    line-height: 1.4;
}

.rich-text h3 {
    margin: 32px 0 12px;
    font-size: 21px;
    line-height: 1.45;
}

.rich-text p {
    margin: 16px 0;
}

.rich-text ul,
.rich-text ol {
    margin: 16px 0;
    padding-left: 24px;
}

.rich-text ul {
    list-style: disc;
}

.rich-text ol {
    list-style: decimal;
}

.rich-text li {
    margin: 8px 0;
    padding-left: 2px;
}

.rich-text li::marker {
    color: var(--blue);
}

.rich-text a {
    color: var(--blue);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.rich-text blockquote {
    margin: 24px 0;
    padding: 16px 22px;
    background: var(--bg-soft);
    border-left: 3px solid var(--blue);
    border-radius: 0 12px 12px 0;
    color: var(--muted);
}

.rich-text img {
    height: auto;
    margin: 24px 0;
    border-radius: var(--radius);
}

.rich-text table {
    width: 100%;
    margin: 24px 0;
    border-collapse: collapse;
    font-size: 14px;
}

.rich-text th,
.rich-text td {
    padding: 12px 14px;
    border: 1px solid var(--line);
    text-align: left;
}

.rich-text th {
    background: var(--bg-soft);
    color: var(--ink);
    font-weight: 600;
}

/* Articles list */
.article-list {
    border-top: 1px solid var(--line);
}

.article-item {
    padding: 30px 0;
    border-bottom: 1px solid var(--line);
}

.article-item h2 {
    margin: 8px 0 10px;
    font-size: 24px;
    font-weight: 600;
    line-height: 1.45;
    transition: color 0.16s ease;
}

.article-item:hover h2 {
    color: var(--blue);
}

.article-item p {
    max-width: 780px;
    color: var(--muted);
    font-size: 15px;
    line-height: 1.8;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    color: var(--muted-2);
    font-size: 13px;
}

.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.article-cat {
    padding: 4px 12px;
    background: var(--blue-soft);
    border-radius: 999px;
    color: var(--blue);
    font-size: 12px;
    font-weight: 500;
}

.article-empty {
    padding: 64px 0;
    color: var(--muted);
    text-align: center;
}

/* Article detail */
.article-breadcrumb {
    margin-bottom: 28px;
}

.article-header {
    max-width: 840px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 36px;
}

.article-summary {
    max-width: 760px;
    color: var(--muted);
    font-size: 17px;
    line-height: 1.85;
}

.article-header h1 {
    margin: 16px 0 18px;
    font-size: clamp(32px, 3.6vw, 44px);
    line-height: 1.35;
    letter-spacing: -0.025em;
}

.article-cover {
    margin: 32px 0;
}

.article-cover img {
    width: 100%;
    height: auto;
    border-radius: 20px;
}

.article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 56px;
    padding-top: 32px;
    border-top: 1px solid var(--line);
}

.article-nav a,
.article-nav span {
    display: block;
    padding: 20px 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    color: var(--ink-2);
    font-size: 14px;
    line-height: 1.6;
}

.article-nav a:hover {
    border-color: var(--blue);
    color: var(--blue);
}

.article-nav small {
    display: block;
    margin-bottom: 4px;
    color: var(--muted-2);
    font-size: 12px;
}

.article-nav .is-next {
    text-align: right;
}

.related-block {
    margin-top: 56px;
}

.related-block h2 {
    margin-bottom: 18px;
    font-size: 26px;
}

.related-list {
    display: grid;
    border-top: 1px solid var(--line);
}

.related-list a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
    color: var(--ink-2);
    font-size: 15px;
}

.related-list a:hover {
    color: var(--blue);
}

/* Contact */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 440px;
    align-items: start;
    gap: 64px;
}

.contact-intro h2 {
    margin: 14px 0 14px;
    font-size: clamp(28px, 3vw, 38px);
    line-height: 1.3;
}

.contact-intro > p {
    max-width: 560px;
    color: var(--muted);
    font-size: 16.5px;
    line-height: 1.9;
}

.contact-methods {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 20px;
    background: var(--bg-soft);
    border-radius: var(--radius);
}

.contact-method-icon {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    background: #fff;
    border: 0;
    border-radius: 12px;
    color: var(--blue);
}

.contact-method-icon svg {
    display: block;
    width: 18px;
    height: 18px;
}

.contact-method strong {
    display: block;
    color: var(--ink);
    font-size: 14px;
    font-weight: 600;
}

.contact-method > div span,
.contact-method > div a {
    display: block;
    margin-top: 2px;
    color: var(--muted);
    font-size: 14px;
    word-break: break-word;
}

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

.contact-address {
    margin-top: 24px;
    padding: 24px;
    background: var(--bg-soft);
    border: 0;
    border-radius: var(--radius);
}

.contact-address h3 {
    margin-bottom: 6px;
    font-size: 15px;
}

.contact-address p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.75;
}

.form-card {
    padding: 36px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: 0 30px 70px -48px rgba(10, 20, 40, 0.4);
}

.form-card h2 {
    font-size: 24px;
}

.form-card > p {
    margin: 6px 0 22px;
    color: var(--muted);
    font-size: 13px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.field {
    margin-bottom: 18px;
}

.field label {
    display: block;
    margin-bottom: 8px;
    color: var(--ink);
    font-size: 14px;
    font-weight: 500;
}

.field label em {
    color: var(--red);
    font-style: normal;
}

.field input,
.field textarea,
.field select {
    width: 100%;
    padding: 13px 16px;
    background: #fff;
    border: 1px solid var(--line-strong);
    border-radius: 10px;
    color: var(--ink);
    font-size: 15px;
    outline: none;
    transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 4px rgba(0, 109, 255, 0.12);
}

.field textarea {
    min-height: 130px;
    resize: vertical;
}

.field input.is-error,
.field textarea.is-error {
    border-color: #E5A49C;
}

.field-error {
    margin-top: 5px;
    color: var(--red);
    font-size: 12.5px;
}

.field-note {
    margin-top: 5px;
    color: var(--muted-2);
    font-size: 12px;
}

.form-note {
    margin-top: 12px;
    color: var(--muted-2);
    font-size: 12.5px;
    line-height: 1.7;
}

.honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Search */
.search-hero {
    padding: 80px 0 56px;
    background: var(--bg-soft);
}

.search-hero h1 {
    margin-bottom: 24px;
    font-size: clamp(30px, 3.4vw, 42px);
}

.search-form {
    display: flex;
    max-width: 680px;
}

.search-form input {
    flex: 1;
    height: 54px;
    padding: 0 20px;
    border: 1px solid var(--line-strong);
    border-right: 0;
    border-radius: 12px 0 0 12px;
    background: #fff;
    font-size: 16px;
    outline: none;
}

.search-form input:focus {
    border-color: var(--blue);
}

.search-form button {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 54px;
    padding: 0 26px;
    background: var(--blue);
    border: 1px solid var(--blue);
    border-radius: 0 12px 12px 0;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
}

.search-form button:hover {
    background: var(--blue-dark);
}

.search-summary {
    margin-bottom: 32px;
    color: var(--muted);
    font-size: 14px;
}

.search-group {
    margin-bottom: 48px;
}

.search-group h2 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    padding-bottom: 14px;
    border-bottom: 1px solid var(--line);
    font-size: 21px;
}

.search-group h2 span {
    padding: 2px 10px;
    background: var(--blue-soft);
    border-radius: 999px;
    color: var(--blue);
    font-size: 12px;
    font-weight: 600;
}

.search-item {
    display: block;
    padding: 16px 0;
    border-bottom: 1px solid var(--line);
}

.search-item strong {
    display: block;
    color: var(--ink);
    font-size: 16px;
    font-weight: 600;
}

.search-item p {
    margin-top: 4px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.7;
}

.search-item:hover strong {
    color: var(--blue);
}

.empty-state {
    padding: 56px 0;
    color: var(--muted);
    text-align: center;
}

.empty-state strong {
    display: block;
    margin-bottom: 8px;
    color: var(--ink);
    font-size: 19px;
    font-weight: 600;
}

/* 404 */
.error-page {
    padding: 140px 0 150px;
    text-align: center;
}

.error-code {
    color: #F0F2F6;
    font-size: 168px;
    font-weight: 800;
    letter-spacing: -0.06em;
    line-height: 1;
}

.error-page h1 {
    margin: 12px 0 10px;
    font-size: 34px;
}

.error-page p {
    color: var(--muted);
    font-size: 16px;
}

.error-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 32px;
}

/* Pagination */
.pager {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 44px;
}

.pager-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    background: #fff;
    border: 1px solid var(--line-strong);
    border-radius: 10px;
    color: var(--ink-2);
    font-size: 14px;
    transition: border-color 0.16s ease, color 0.16s ease, background 0.16s ease;
}

a.pager-link:hover {
    border-color: var(--blue);
    color: var(--blue);
}

.pager-link.is-current {
    background: var(--blue);
    border-color: var(--blue);
    color: #fff;
}

.pager-link.is-disabled {
    color: #C3CBD8;
    cursor: default;
}

.pager-gap {
    display: inline-flex;
    align-items: flex-end;
    padding: 0 4px;
    color: var(--muted-2);
    font-size: 13px;
}

/* Toast */
.toast-stack {
    position: fixed;
    top: 92px;
    right: 24px;
    z-index: 120;
    display: grid;
    gap: 10px;
    width: min(380px, calc(100vw - 32px));
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 15px 18px;
    background: #fff;
    border: 1px solid var(--line);
    border-left: 3px solid var(--blue);
    border-radius: 14px;
    box-shadow: 0 20px 50px -20px rgba(10, 20, 40, 0.3);
    color: var(--ink-2);
    font-size: 14px;
    line-height: 1.6;
    animation: toastIn 0.25s ease both;
}

.toast--success {
    border-left-color: var(--green);
}

.toast--success svg {
    color: var(--green);
}

.toast--error {
    border-left-color: var(--red);
}

.toast--error svg {
    color: var(--red);
}

.toast.is-hiding {
    animation: toastOut 0.2s ease both;
}

@keyframes toastIn {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
    to { opacity: 0; transform: translateY(-6px); }
}

/* Reveal */
.js .reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

/* Responsive */
@media (max-width: 1100px) {
    .main-nav {
        gap: 24px;
    }

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

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

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

    .metrics-band .container {
        padding: 56px 40px;
    }

    .footer-main {
        grid-template-columns: 1.4fr 1fr 1fr 1.1fr;
        gap: 32px;
    }
}

@media (max-width: 980px) {
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        margin: 0;
        padding: 12px 32px 22px;
        background: #fff;
        border-bottom: 1px solid var(--line);
        box-shadow: 0 24px 40px -24px rgba(10, 20, 40, 0.2);
    }

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

    .nav-item {
        border-bottom: 1px solid var(--line);
    }

    .nav-item:last-child {
        border-bottom: 0;
    }

    .nav-link {
        display: flex;
        justify-content: space-between;
        padding: 14px 0;
        font-size: 15px;
    }

    .has-dropdown::after {
        display: none;
    }

    .dropdown {
        position: static;
        width: auto;
        margin: 0 0 14px;
        padding: 12px;
        border-radius: var(--radius);
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .dropdown-head {
        padding-bottom: 10px;
    }

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

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

    .header-inner {
        gap: 16px;
    }

    .header-cta {
        margin-left: auto;
    }

    .hero-card {
        min-height: 460px;
        padding: 56px 40px;
    }

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

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

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px;
    }

    .metric:nth-child(3) {
        padding-left: 0;
        border-left: 0;
    }

    .metric:nth-child(3),
    .metric:nth-child(4) {
        padding-top: 32px;
        border-top: 1px solid rgba(255, 255, 255, 0.12);
    }

    .closing-hero {
        padding: 96px 0 64px;
    }

    .closing-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 32px;
    }

    .layout-with-sidebar {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
        grid-template-columns: 1fr 1fr;
    }

    .detail-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .contact-grid .form-card {
        order: -1;
    }

    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 36px;
    }
}

@media (max-width: 760px) {
    .container {
        padding: 0 24px;
    }

    .section {
        padding: 76px 0;
    }

    .section-head {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        margin-bottom: 36px;
    }

    .section-head p {
        max-width: none;
        font-size: 15.5px;
    }

    .hero {
        padding-top: 12px;
    }

    .hero-card {
        min-height: 0;
        padding: 44px 28px;
        border-radius: 20px;
    }

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

    .hero-sub {
        font-size: 16px;
    }

    .hero-actions {
        margin: 28px 0 24px;
    }

    .hero-points {
        gap: 14px 22px;
        font-size: 13px;
    }

    .product-card {
        min-height: 0;
        padding: 26px;
    }

    .news-cover {
        height: 170px;
    }

    .metrics-band {
        padding-bottom: 76px;
    }

    .metrics-band .container {
        padding: 40px 28px;
        border-radius: 22px;
    }

    .metric strong {
        font-size: 40px;
    }

    .metric strong span {
        font-size: 26px;
    }

    .products-note {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .page-hero {
        padding: 56px 0 40px;
    }

    .page-section {
        padding: 64px 0 80px;
    }

    .detail-hero {
        padding: 48px 0 64px;
    }

    .detail-section {
        padding: 64px 0;
    }

    .detail-section-head {
        margin-bottom: 32px;
    }

    .feature-grid,
    .scene-grid {
        grid-template-columns: 1fr;
    }

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

    .article-header h1 {
        font-size: 30px;
    }

    .article-nav {
        grid-template-columns: 1fr;
    }

    .article-nav .is-next {
        text-align: left;
    }

    .contact-methods {
        grid-template-columns: 1fr;
    }

    .form-card {
        padding: 26px;
    }

    .search-hero {
        padding: 56px 0 40px;
    }

    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
        padding-top: 16px;
    }

    .footer-bottom-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .error-page {
        padding: 88px 0 96px;
    }

    .error-code {
        font-size: 120px;
    }
}

@media (max-width: 560px) {
    .container {
        padding: 0 18px;
    }

    .header-cta {
        display: none;
    }

    .product-grid,
    .product-grid--list,
    .value-grid,
    .solution-grid,
    .news-grid {
        grid-template-columns: 1fr;
    }

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

    .metric {
        padding-left: 0;
        padding-top: 24px;
        border-left: 0;
        border-top: 1px solid rgba(255, 255, 255, 0.12);
    }

    .metric:first-child {
        padding-top: 0;
        border-top: 0;
    }

    .metric:nth-child(3),
    .metric:nth-child(4) {
        padding-top: 24px;
    }

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

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .error-code {
        font-size: 96px;
    }

    .error-actions {
        flex-direction: column;
    }

    .hero-actions .btn,
    .detail-actions .btn {
        flex: 1;
    }

    .toast-stack {
        top: 80px;
        right: 16px;
    }
}

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

    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }

    .js .reveal {
        opacity: 1;
        transform: none;
    }
}