:root {
    --bg: #ffffff;
    --text: #0f172a;
    --muted: #475569;
    --line: rgba(15, 23, 42, 0.12);
    --card: rgba(255, 255, 255, 0.86);
    --shadow: 0 20px 60px rgba(15, 23, 42, 0.10);
    --shadow-sm: 0 12px 30px rgba(15, 23, 42, 0.08);
    --blue-50: #eaf6ff;
    --blue-100: #d6eeff;
    --blue-200: #b7e2ff;
    --blue-300: #8fd2ff;
    --blue-400: #66c0ff;
    --blue-500: #3aa8ff;
    --blue-600: #1a8cf1;
    --blue-700: #0f6fcd;
    --blue-800: #0c5aa7;
    --radius: 16px;
    --radius-lg: 22px;
    --container: 1120px;
}

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

html,
body {
    height: 100%;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: "Instrument Sans", system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, "Helvetica Neue", Arial, "Apple Color Emoji", "Segoe UI Emoji";
    line-height: 1.35;
}

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

.container {
    width: min(var(--container), calc(100% - 40px));
    margin-inline: auto;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 50;
    background: rgba(255, 255, 255, 0.78);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    letter-spacing: 0.2px;
}

.brand-dot {
    width: 12px;
    height: 12px;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
    box-shadow: 0 8px 22px rgba(26, 140, 241, 0.32);
}

.brand-text {
    font-size: 15px;
}

.header-actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
    user-select: none;
}

.btn:active {
    transform: translateY(1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--blue-500), var(--blue-700));
    color: #fff;
    box-shadow: 0 14px 30px rgba(58, 168, 255, 0.35);
}

.btn-primary:hover {
    box-shadow: 0 18px 40px rgba(58, 168, 255, 0.42);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.55);
    border-color: rgba(15, 23, 42, 0.12);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: rgba(15, 23, 42, 0.16);
}

.hero {
    position: relative;
    overflow: hidden;
    padding: 56px 0 8px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(1200px 520px at 20% 30%, rgba(102, 192, 255, 0.55), transparent 60%),
        radial-gradient(900px 520px at 85% 25%, rgba(26, 140, 241, 0.40), transparent 60%),
        linear-gradient(180deg, rgba(234, 246, 255, 0.95) 0%, rgba(255, 255, 255, 0.55) 70%, rgba(255, 255, 255, 0.9) 100%);
    filter: saturate(1.05);
}

.hero-inner {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 28px;
    align-items: center;
    padding-bottom: 52px;
}

.pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.70);
    border: 1px solid rgba(15, 23, 42, 0.10);
    font-weight: 600;
    font-size: 13px;
    color: rgba(15, 23, 42, 0.86);
    box-shadow: 0 18px 48px rgba(15, 23, 42, 0.10);
}

.hero-copy h1 {
    margin: 14px 0 10px;
    font-size: clamp(28px, 3.3vw, 44px);
    line-height: 1.06;
    letter-spacing: -0.6px;
}

.lead {
    margin: 0 0 16px;
    color: var(--muted);
    font-size: 16px;
    max-width: 58ch;
}

.search {
    display: flex;
    gap: 10px;
    padding: 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.86);
    border: 1px solid rgba(15, 23, 42, 0.10);
    box-shadow: var(--shadow-sm);
}

.search input {
    flex: 1;
    border: 0;
    outline: none;
    background: transparent;
    padding: 10px 12px;
    font-size: 15px;
    color: var(--text);
}

.btn-search {
    padding-inline: 16px;
    min-width: 110px;
}

.quick-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 14px;
}

.chip {
    display: inline-flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(15, 23, 42, 0.10);
    color: rgba(15, 23, 42, 0.85);
    font-weight: 600;
    font-size: 13px;
    transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.chip:hover {
    background: rgba(255, 255, 255, 0.9);
    border-color: rgba(15, 23, 42, 0.14);
    transform: translateY(-1px);
}

.hero-visual {
    position: relative;
    min-height: 320px;
}

.visual-card {
    position: absolute;
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(15, 23, 42, 0.10);
    box-shadow: var(--shadow);
}

.visual-card.v1 {
    width: 86%;
    height: 64%;
    right: 0;
    top: 18px;
    transform: rotate(1.8deg);
}

.visual-card.v2 {
    width: 74%;
    height: 44%;
    left: 10px;
    bottom: 18px;
    transform: rotate(-2.2deg);
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.6));
}

.visual-figure {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
}

.figure-head {
    width: 72px;
    height: 72px;
    border-radius: 999px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.7));
    border: 1px solid rgba(15, 23, 42, 0.12);
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.12);
}

.figure-body {
    width: 150px;
    height: 180px;
    margin-top: 16px;
    border-radius: 40px;
    background: linear-gradient(180deg, rgba(102, 192, 255, 0.25), rgba(255, 255, 255, 0.75));
    border: 1px solid rgba(15, 23, 42, 0.10);
    box-shadow: 0 18px 60px rgba(15, 23, 42, 0.10);
}

.figure-arm {
    position: absolute;
    width: 84px;
    height: 22px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(15, 23, 42, 0.10);
}

.figure-arm.a1 {
    transform: rotate(-18deg);
    left: 24px;
    top: 140px;
}

.figure-arm.a2 {
    transform: rotate(22deg);
    right: 24px;
    top: 136px;
}

.hero-wave {
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    width: 100%;
    height: 120px;
    fill: #fff;
    z-index: 1;
}

.section {
    padding: 56px 0;
}

.section-head h2 {
    margin: 0 0 8px;
    font-size: 26px;
    letter-spacing: -0.35px;
}

.section-head p {
    margin: 0 0 18px;
    color: var(--muted);
    max-width: 70ch;
}

.cards {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 14px;
}

.card {
    display: grid;
    gap: 10px;
    padding: 16px;
    border-radius: var(--radius);
    background: var(--card);
    border: 1px solid rgba(15, 23, 42, 0.10);
    box-shadow: 0 18px 46px rgba(15, 23, 42, 0.06);
    transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease, background 160ms ease;
}

.card:hover {
    transform: translateY(-2px);
    border-color: rgba(15, 23, 42, 0.14);
    box-shadow: 0 22px 60px rgba(15, 23, 42, 0.10);
    background: rgba(255, 255, 255, 0.96);
}

.card-icon {
    width: 46px;
    height: 46px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(58, 168, 255, 0.22), rgba(26, 140, 241, 0.14));
    border: 1px solid rgba(15, 23, 42, 0.10);
    box-shadow: 0 14px 32px rgba(58, 168, 255, 0.22);
    position: relative;
    overflow: hidden;
}

.card-icon::after {
    content: "";
    position: absolute;
    inset: -22px;
    background: radial-gradient(circle at 30% 25%, rgba(255, 255, 255, 0.9), transparent 55%);
    transform: rotate(20deg);
}

.card-title {
    font-weight: 700;
    letter-spacing: -0.2px;
}

.card-desc {
    color: var(--muted);
    font-size: 13px;
    line-height: 1.35;
}

.section-alt {
    background: linear-gradient(180deg, rgba(234, 246, 255, 0.68), rgba(255, 255, 255, 1));
    border-top: 1px solid rgba(15, 23, 42, 0.08);
}

.split {
    display: grid;
    grid-template-columns: 1.05fr 0.95fr;
    gap: 18px;
    align-items: start;
}

.split h2 {
    margin: 0 0 10px;
    font-size: 26px;
    letter-spacing: -0.35px;
}

.split p {
    margin: 0 0 18px;
    color: var(--muted);
    max-width: 70ch;
}

.stat-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
}

.stat {
    padding: 14px;
    border-radius: var(--radius);
    border: 1px solid rgba(15, 23, 42, 0.10);
    background: rgba(255, 255, 255, 0.78);
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
    text-decoration: none;
    color: inherit;
    display: block;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.stat.stat-interactive:hover {
    transform: translateY(-4px);
    box-shadow: 0 22px 48px rgba(58, 168, 255, 0.15);
    background: #ffffff;
    border-color: rgba(58, 168, 255, 0.3);
}

.stat-num {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 16px;
    color: var(--primary);
    background: linear-gradient(135deg, rgba(58, 168, 255, 0.22), rgba(26, 140, 241, 0.16));
    border: 1px solid rgba(58, 168, 255, 0.2);
}

.stat-label {
    margin-top: 10px;
    font-weight: 700;
    font-size: 14px;
    color: var(--text-main);
}

.panel {
    border-radius: var(--radius-lg);
    border: 1px solid rgba(15, 23, 42, 0.10);
    background: rgba(255, 255, 255, 0.78);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.panel-head {
    display: flex;
    gap: 8px;
    padding: 12px 14px;
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(255, 255, 255, 0.85);
}

.panel-dot {
    width: 10px;
    height: 10px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.18);
}

.panel-body {
    padding: 16px;
    display: grid;
    gap: 12px;
}

.row {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 10px;
}

.bar {
    height: 14px;
    border-radius: 999px;
    border: 1px solid rgba(15, 23, 42, 0.10);
    background: linear-gradient(90deg, rgba(58, 168, 255, 0.22), rgba(26, 140, 241, 0.12));
}

.b2 { opacity: 0.82; }
.b3 { opacity: 0.76; }
.b4 { opacity: 0.64; }
.b5 { opacity: 0.58; }
.b6 { opacity: 0.48; }

.note {
    margin-top: 12px;
    padding: 14px 16px;
    border-radius: var(--radius);
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(15, 23, 42, 0.10);
    color: rgba(15, 23, 42, 0.74);
    box-shadow: 0 18px 44px rgba(15, 23, 42, 0.06);
}

.site-footer {
    border-top: 1px solid rgba(15, 23, 42, 0.08);
    background: rgba(255, 255, 255, 0.86);
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 0;
}

.footer-brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.footer-meta {
    color: rgba(15, 23, 42, 0.65);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 13px;
}

.sep {
    opacity: 0.5;
}

@media (max-width: 1020px) {
    .hero-inner {
        grid-template-columns: 1fr;
        padding-bottom: 34px;
    }

    .hero-visual {
        min-height: 260px;
    }

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

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

@media (max-width: 520px) {
    .container {
        width: calc(100% - 28px);
    }

    .search {
        flex-direction: column;
        border-radius: var(--radius-lg);
    }

    .btn-search {
        width: 100%;
        min-width: 0;
    }

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

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