:root {
    --hc-primary: #0a6ebd;
    --hc-primary-dark: #063a66;
    --hc-accent: #1ec8ff;
    --hc-accent-soft: rgba(30, 200, 255, 0.14);
    --hc-bg: #eef3f8;
    --hc-bg-deep: #e4ecf5;
    --hc-text: #122033;
    --hc-muted: #5a6b7d;
    --hc-card: rgba(255, 255, 255, 0.86);
    --hc-border: rgba(10, 58, 102, 0.12);
    --hc-line: rgba(10, 110, 189, 0.22);
    --hc-shadow: 0 12px 40px rgba(6, 58, 102, 0.08);
    --hc-radius: 4px;
    --hc-font: "Noto Sans SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    --hc-display: "Sora", "Noto Sans SC", "PingFang SC", sans-serif;
    --hc-mono: "IBM Plex Mono", "Cascadia Mono", "Consolas", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--hc-font);
    color: var(--hc-text);
    background:
        radial-gradient(1200px 600px at 10% -10%, rgba(30, 200, 255, 0.08), transparent 55%),
        radial-gradient(900px 500px at 100% 0%, rgba(10, 110, 189, 0.08), transparent 50%),
        linear-gradient(180deg, #f7fafc 0%, var(--hc-bg) 40%, var(--hc-bg-deep) 100%);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    opacity: 0.35;
    background-image:
        linear-gradient(var(--hc-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--hc-line) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,0.45), transparent 70%);
}

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

#main { position: relative; z-index: 1; }

/* ---------- Header ---------- */
.hc-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(247, 250, 252, 0.78);
    backdrop-filter: blur(14px) saturate(1.2);
    border-bottom: 1px solid var(--hc-border);
}

.hc-header::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--hc-accent), transparent);
    opacity: 0.55;
}

.hc-header-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.hc-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    color: var(--hc-primary-dark);
}

.hc-logo-text {
    display: flex;
    flex-direction: column;
    gap: 1px;
    line-height: 1.15;
}

.hc-logo-name {
    font-family: var(--hc-display);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.hc-logo-domain {
    font-family: var(--hc-mono);
    font-size: 11px;
    font-weight: 500;
    color: var(--hc-muted);
    letter-spacing: 0.06em;
    text-transform: lowercase;
}

.hc-logo-mark {
    width: 42px;
    height: 42px;
    border-radius: var(--hc-radius);
    background:
        linear-gradient(145deg, var(--hc-primary) 0%, #0a4f8a 55%, #06749a 100%);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--hc-display);
    font-size: 18px;
    font-weight: 700;
    position: relative;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
}

.hc-logo-mark::after {
    content: "";
    position: absolute;
    inset: 4px;
    border: 1px solid rgba(30, 200, 255, 0.35);
    border-radius: 2px;
    pointer-events: none;
}

.hc-nav {
    display: flex;
    gap: 8px;
    font-size: 14px;
}

.hc-nav a {
    color: var(--hc-muted);
    padding: 8px 12px;
    border-radius: var(--hc-radius);
    transition: color 0.2s, background 0.2s;
    font-weight: 500;
}

.hc-nav a:hover {
    color: var(--hc-primary-dark);
    background: var(--hc-accent-soft);
}

/* ---------- Hero ---------- */
.hc-hero {
    position: relative;
    overflow: hidden;
    color: #fff;
    padding: 100px 24px 110px;
    background:
        radial-gradient(700px 420px at 85% 20%, rgba(30, 200, 255, 0.22), transparent 60%),
        radial-gradient(500px 360px at 10% 80%, rgba(10, 110, 189, 0.35), transparent 55%),
        linear-gradient(135deg, #041828 0%, #063a66 42%, #0a5fa8 100%);
}

.hc-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(30, 200, 255, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 200, 255, 0.08) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(ellipse at 30% 40%, #000 20%, transparent 75%);
    animation: hc-grid-drift 28s linear infinite;
}

.hc-hero::after {
    content: "";
    position: absolute;
    width: 420px;
    height: 420px;
    right: -80px;
    top: -100px;
    border: 1px solid rgba(30, 200, 255, 0.2);
    border-radius: 50%;
    box-shadow:
        0 0 0 40px rgba(30, 200, 255, 0.04),
        0 0 0 90px rgba(30, 200, 255, 0.03);
    animation: hc-orbit 18s ease-in-out infinite alternate;
    pointer-events: none;
}

.hc-hero-inner {
    position: relative;
    z-index: 1;
    max-width: 1180px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
}

.hc-hero-inner-single {
    grid-template-columns: 1fr;
    max-width: 780px;
}

.hc-hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
    font-family: var(--hc-mono);
    font-size: 12px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(190, 235, 255, 0.9);
}

.hc-hero-eyebrow::before {
    content: "";
    width: 28px;
    height: 1px;
    background: var(--hc-accent);
    box-shadow: 0 0 8px rgba(30, 200, 255, 0.5);
}

.hc-hero h1 {
    margin: 0 0 22px;
    font-family: var(--hc-display);
    font-size: clamp(34px, 5vw, 48px);
    line-height: 1.22;
    font-weight: 700;
    letter-spacing: -0.02em;
    animation: hc-rise 0.8s ease both;
}

.hc-hero h1 span {
    background: linear-gradient(90deg, #fff 0%, #b8ecff 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hc-hero p {
    margin: 0 0 34px;
    font-size: 17px;
    opacity: 0.9;
    max-width: 580px;
    color: rgba(230, 242, 255, 0.92);
    animation: hc-rise 0.8s ease 0.12s both;
}

.hc-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    animation: hc-rise 0.8s ease 0.22s both;
}

.hc-hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 28px;
    animation: hc-rise 0.8s ease 0.05s both;
}

.hc-tag {
    padding: 6px 12px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(30, 200, 255, 0.28);
    font-family: var(--hc-mono);
    font-size: 12px;
    letter-spacing: 0.04em;
    color: #d7f4ff;
}

.hc-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 13px 28px;
    border-radius: var(--hc-radius);
    font-size: 15px;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s, border-color 0.2s;
}

.hc-btn-primary {
    background: linear-gradient(135deg, #ffffff 0%, #d8f4ff 100%);
    color: var(--hc-primary-dark);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}

.hc-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(30, 200, 255, 0.25);
}

.hc-btn-outline {
    border: 1px solid rgba(255, 255, 255, 0.45);
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
}

.hc-btn-outline:hover {
    transform: translateY(-2px);
    border-color: var(--hc-accent);
    background: rgba(30, 200, 255, 0.1);
}

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

/* ---------- Sections ---------- */
.hc-section {
    max-width: 1180px;
    margin: 0 auto;
    padding: 84px 24px;
    position: relative;
}

.hc-section-title {
    text-align: center;
    margin-bottom: 52px;
}

.hc-section-title .hc-eyebrow {
    display: inline-block;
    margin-bottom: 12px;
    font-family: var(--hc-mono);
    font-size: 12px;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--hc-primary);
}

.hc-section-title h2 {
    margin: 0 0 12px;
    font-family: var(--hc-display);
    font-size: clamp(26px, 3vw, 34px);
    color: var(--hc-primary-dark);
    letter-spacing: -0.02em;
    position: relative;
}

.hc-section-title h2::after {
    content: "";
    display: block;
    width: 48px;
    height: 2px;
    margin: 16px auto 0;
    background: linear-gradient(90deg, var(--hc-primary), var(--hc-accent));
}

.hc-section-title p {
    margin: 16px 0 0;
    color: var(--hc-muted);
    font-size: 16px;
}

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

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

.hc-card {
    position: relative;
    background: var(--hc-card);
    border: 1px solid var(--hc-border);
    border-radius: var(--hc-radius);
    padding: 30px 28px;
    box-shadow: var(--hc-shadow);
    backdrop-filter: blur(8px);
    overflow: hidden;
    transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.hc-card::before,
.hc-card::after {
    content: "";
    position: absolute;
    width: 14px;
    height: 14px;
    border-color: var(--hc-accent);
    border-style: solid;
    opacity: 0.55;
    transition: opacity 0.25s;
}

.hc-card::before {
    top: 10px;
    left: 10px;
    border-width: 1px 0 0 1px;
}

.hc-card::after {
    right: 10px;
    bottom: 10px;
    border-width: 0 1px 1px 0;
}

.hc-card:hover {
    transform: translateY(-4px);
    border-color: rgba(30, 200, 255, 0.45);
    box-shadow: 0 18px 40px rgba(6, 58, 102, 0.12);
}

.hc-card:hover::before,
.hc-card:hover::after { opacity: 1; }

.hc-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--hc-radius);
    background:
        linear-gradient(145deg, rgba(30, 200, 255, 0.16), rgba(10, 110, 189, 0.12));
    color: var(--hc-primary);
    border: 1px solid rgba(30, 200, 255, 0.28);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 18px;
}

.hc-card h3 {
    margin: 0 0 12px;
    font-family: var(--hc-display);
    font-size: 21px;
    letter-spacing: -0.01em;
}

.hc-card p {
    margin: 0 0 16px;
    color: var(--hc-muted);
    font-size: 15px;
}

.hc-card ul {
    margin: 0;
    padding-left: 18px;
    color: var(--hc-text);
    font-size: 14px;
}

.hc-card li { margin-bottom: 8px; }

.hc-hardware-item .device {
    font-size: 14px;
    color: var(--hc-muted);
}

.hc-hardware-item .device-note {
    margin-top: 8px;
    font-family: var(--hc-mono);
    font-size: 11px;
    letter-spacing: 0.03em;
    color: #7a8d9f;
}

.hc-product-tag {
    display: inline-block;
    margin-bottom: 10px;
    padding: 3px 10px;
    border-radius: 2px;
    font-family: var(--hc-mono);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    background: #e8f4fd;
    color: var(--hc-primary-dark);
}

.hc-product-tag-ats {
    background: #e6f7ee;
    color: #0d6b3f;
}

.hc-product-tag-srm {
    background: #eaf2ff;
    color: #234a8a;
}

.hc-srm-outline {
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.9)),
        linear-gradient(90deg, transparent, rgba(30, 200, 255, 0.05), transparent);
    border-top: 1px solid var(--hc-border);
    border-bottom: 1px solid var(--hc-border);
}

.hc-outline-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
}

.hc-outline-block {
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid var(--hc-border);
    border-radius: var(--hc-radius);
    padding: 22px 20px;
    position: relative;
    transition: border-color 0.2s, transform 0.2s;
}

.hc-outline-block::before {
    content: "";
    position: absolute;
    left: 0;
    top: 14px;
    bottom: 14px;
    width: 2px;
    background: linear-gradient(180deg, var(--hc-accent), var(--hc-primary));
    border-radius: 2px;
    opacity: 0.75;
}

.hc-outline-block:hover {
    transform: translateY(-2px);
    border-color: rgba(30, 200, 255, 0.4);
}

.hc-outline-block h4 {
    margin: 0 0 12px;
    font-family: var(--hc-display);
    font-size: 16px;
    color: var(--hc-primary-dark);
}

.hc-outline-block ul {
    margin: 0;
    padding-left: 18px;
    font-size: 14px;
    color: var(--hc-muted);
}

.hc-outline-block li { margin-bottom: 6px; }

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

.hc-hardware-item {
    background: var(--hc-card);
    border: 1px solid var(--hc-border);
    border-radius: var(--hc-radius);
    padding: 26px 18px;
    text-align: center;
    box-shadow: var(--hc-shadow);
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
    position: relative;
}

.hc-hardware-item::after {
    content: "";
    position: absolute;
    left: 20%;
    right: 20%;
    bottom: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--hc-accent), transparent);
    opacity: 0;
    transition: opacity 0.2s;
}

.hc-hardware-item:hover {
    border-color: rgba(30, 200, 255, 0.45);
    transform: translateY(-4px);
    box-shadow: 0 16px 36px rgba(6, 58, 102, 0.12);
}

.hc-hardware-item:hover::after { opacity: 1; }

.hc-hardware-item .brand {
    font-family: var(--hc-display);
    font-size: 17px;
    font-weight: 700;
    color: var(--hc-primary-dark);
    margin-bottom: 8px;
}

.hc-hardware-item .device {
    font-size: 14px;
    color: var(--hc-muted);
}

.hc-partners {
    background: rgba(255, 255, 255, 0.55);
    border-top: 1px solid var(--hc-border);
    border-bottom: 1px solid var(--hc-border);
}

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

.hc-partner {
    border: 1px solid var(--hc-border);
    border-radius: var(--hc-radius);
    padding: 32px 24px;
    text-align: center;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(238, 243, 248, 0.95));
    transition: transform 0.2s, border-color 0.2s;
}

.hc-partner:hover {
    transform: translateY(-3px);
    border-color: rgba(10, 110, 189, 0.35);
}

.hc-partner h4 {
    margin: 0 0 8px;
    font-family: var(--hc-display);
    font-size: 18px;
    color: var(--hc-primary-dark);
}

.hc-partner p {
    margin: 0;
    font-size: 14px;
    color: var(--hc-muted);
}

.hc-cta {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(500px 240px at 80% 0%, rgba(30, 200, 255, 0.25), transparent 60%),
        linear-gradient(135deg, #052a4d 0%, #0a5fa8 100%);
    color: #fff;
    border-radius: 8px;
    padding: 56px 40px;
    text-align: center;
    border: 1px solid rgba(30, 200, 255, 0.25);
}

.hc-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 36px 36px;
    opacity: 0.5;
    pointer-events: none;
}

.hc-cta > * { position: relative; z-index: 1; }

.hc-cta h2 {
    margin: 0 0 12px;
    font-family: var(--hc-display);
    font-size: 28px;
}

.hc-cta p { margin: 0 0 24px; opacity: 0.9; }

.hc-cta .hc-btn-primary {
    background: #fff;
    color: var(--hc-primary-dark);
}

.hc-footer {
    position: relative;
    z-index: 1;
    background: linear-gradient(180deg, #06233f 0%, #041828 100%);
    color: rgba(255, 255, 255, 0.72);
    padding: 36px 24px;
    font-size: 13px;
    border-top: 1px solid rgba(30, 200, 255, 0.15);
}

.hc-footer-inner {
    max-width: 1180px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.hc-footer strong {
    color: #fff;
    font-family: var(--hc-display);
}

.hc-footer a {
    color: #9edfff;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s, color 0.2s;
}

.hc-footer a:hover {
    color: #fff;
    border-bottom-color: rgba(255, 255, 255, 0.45);
}

.hc-note {
    text-align: center;
    color: var(--hc-muted);
    margin-top: 28px;
    font-size: 14px;
}

@keyframes hc-rise {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes hc-grid-drift {
    from { transform: translate3d(0, 0, 0); }
    to { transform: translate3d(28px, 28px, 0); }
}

@keyframes hc-orbit {
    from { transform: translate3d(0, 0, 0) scale(1); }
    to { transform: translate3d(-24px, 18px, 0) scale(1.05); }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }
}

@media (max-width: 960px) {
    .hc-hero {
        padding: 72px 20px 80px;
    }

    .hc-hero-inner,
    .hc-grid-2,
    .hc-grid-3,
    .hc-outline-grid,
    .hc-hardware-grid,
    .hc-partner-grid {
        grid-template-columns: 1fr;
    }

    .hc-hero h1 { font-size: 32px; }

    .hc-nav { display: none; }

    .hc-cta { padding: 40px 24px; }
}