:root {
    --bg: #07111f;
    --bg-soft: rgba(10, 22, 40, 0.76);
    --panel: rgba(8, 18, 34, 0.78);
    --panel-strong: rgba(10, 20, 38, 0.96);
    --line: rgba(82, 214, 255, 0.18);
    --line-strong: rgba(82, 214, 255, 0.35);
    --text: #eff7ff;
    --text-soft: #9bb3cb;
    --accent: #52d6ff;
    --accent-strong: #8eff8b;
    --warn: #ff9b71;
    --shadow: 0 28px 80px rgba(0, 0, 0, 0.45);
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body.home-page {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(82, 214, 255, 0.18), transparent 32%),
        radial-gradient(circle at top right, rgba(142, 255, 139, 0.14), transparent 28%),
        radial-gradient(circle at bottom center, rgba(255, 155, 113, 0.14), transparent 30%),
        var(--bg);
    font-family: "LXGW WenKai", Consolas, Monaco, monospace;
    overflow-x: hidden;
}

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

.home-noise,
.home-grid {
    position: fixed;
    inset: 0;
    pointer-events: none;
}

.home-grid {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 36px 36px;
    mask-image: radial-gradient(circle at center, black 46%, transparent 100%);
    opacity: 0.18;
}

.home-noise {
    background:
        linear-gradient(transparent 0%, rgba(255, 255, 255, 0.035) 50%, transparent 100%);
    background-size: 100% 4px;
    opacity: 0.25;
    animation: flicker 8s linear infinite;
}

.page-shell {
    width: min(1180px, calc(100% - 32px));
    margin: 0 auto;
    padding: 28px 0 48px;
    position: relative;
    z-index: 1;
}

.site-header,
.hero-panel,
.panel,
.site-footer {
    border: 1px solid var(--line);
    background: var(--panel);
    backdrop-filter: blur(14px);
    box-shadow: var(--shadow);
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 18px 22px;
    border-radius: 22px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.brand-mark {
    color: var(--accent-strong);
    font-size: 1.2rem;
}

.brand-name {
    font-size: 1rem;
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.site-nav a {
    padding: 9px 14px;
    border: 1px solid transparent;
    border-radius: 999px;
    color: var(--text-soft);
    transition: 0.2s ease;
}

.site-nav a:hover {
    border-color: var(--line-strong);
    color: var(--text);
    background: rgba(82, 214, 255, 0.08);
}

.home-main {
    display: flex;
    flex-direction: column;
    gap: 22px;
    margin-top: 22px;
}

.hero-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(320px, 0.8fr);
    gap: 22px;
    padding: 28px;
    border-radius: 30px;
    position: relative;
    overflow: hidden;
}

.hero-panel::after {
    content: "";
    position: absolute;
    inset: auto -10% -40% auto;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(82, 214, 255, 0.28), transparent 70%);
    filter: blur(18px);
}

.hero-copy,
.terminal-card,
.panel,
.site-footer {
    animation: rise-in 0.75s ease forwards;
}

.eyebrow,
.panel-tag {
    margin: 0 0 16px;
    color: var(--accent-strong);
    letter-spacing: 0.18em;
    font-size: 0.78rem;
    text-transform: uppercase;
}

.hero-copy h1 {
    margin: 0;
    font-size: clamp(2.8rem, 7vw, 5.8rem);
    line-height: 0.95;
    letter-spacing: -0.04em;
}

.hero-text {
    max-width: 640px;
    margin: 22px 0 0;
    color: var(--text-soft);
    font-size: 1.08rem;
    line-height: 1.9;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 28px;
}

.button {
    padding: 12px 18px;
    border-radius: 14px;
    border: 1px solid var(--line-strong);
    transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

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

.button-primary {
    background: linear-gradient(135deg, rgba(82, 214, 255, 0.22), rgba(142, 255, 139, 0.16));
}

.button-secondary {
    background: rgba(255, 255, 255, 0.02);
    color: var(--text-soft);
}

.button-secondary:hover,
.button-primary:hover {
    border-color: rgba(142, 255, 139, 0.52);
    background: rgba(82, 214, 255, 0.12);
    color: var(--text);
}

.stat-strip {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    padding: 0;
    margin: 28px 0 0;
}

.stat-strip li {
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.02);
}

.stat-strip strong {
    display: block;
    font-size: 1.2rem;
    color: var(--accent);
}

.stat-strip span {
    display: block;
    margin-top: 6px;
    color: var(--text-soft);
    font-size: 0.92rem;
}

.terminal-card {
    position: relative;
    border: 1px solid rgba(142, 255, 139, 0.24);
    border-radius: 24px;
    background: var(--panel-strong);
    overflow: hidden;
}

.terminal-topbar {
    display: flex;
    gap: 8px;
    padding: 14px 16px;
    border-bottom: 1px solid rgba(142, 255, 139, 0.14);
    background: rgba(255, 255, 255, 0.03);
}

.terminal-topbar span {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-topbar span:nth-child(1) {
    background: #ff7f67;
}

.terminal-topbar span:nth-child(2) {
    background: #ffd76a;
}

.terminal-topbar span:nth-child(3) {
    background: #6bff95;
}

.terminal-body {
    margin: 0;
    padding: 22px;
    color: #c4ffd3;
    font-size: 0.95rem;
    line-height: 1.8;
    white-space: pre-wrap;
}

.content-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.panel {
    padding: 22px;
    border-radius: 24px;
}

.panel-head h2 {
    margin: 0;
    font-size: 1.5rem;
}

.topic-list,
.feature-list {
    display: grid;
    gap: 14px;
    margin-top: 20px;
}

.topic-item,
.feature-link,
.signal-list li,
.timeline-item {
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.025);
}

.topic-item {
    padding: 16px;
}

.topic-item h3 {
    margin: 0 0 8px;
    color: var(--accent);
}

.topic-item p,
.timeline-item p {
    margin: 0;
    color: var(--text-soft);
    line-height: 1.8;
}

.feature-link {
    display: block;
    padding: 16px;
    transition: 0.2s ease;
}

.feature-link span {
    display: block;
    color: var(--warn);
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.feature-link strong {
    display: block;
    margin-top: 8px;
    font-size: 1.05rem;
}

.feature-link:hover {
    transform: translateY(-2px);
    border-color: rgba(82, 214, 255, 0.42);
    background: rgba(82, 214, 255, 0.08);
}

.signal-list {
    list-style: none;
    display: grid;
    gap: 12px;
    margin: 20px 0 0;
    padding: 0;
}

.signal-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 16px;
}

.signal-list span {
    color: var(--text-soft);
}

.signal-list a {
    color: var(--accent-strong);
    word-break: break-all;
}

.timeline-panel {
    overflow: hidden;
}

.timeline {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 20px;
}

.timeline-item {
    padding: 18px;
}

.timeline-year {
    display: inline-flex;
    align-items: center;
    padding: 6px 10px;
    margin-bottom: 14px;
    border-radius: 999px;
    color: var(--bg);
    background: var(--accent-strong);
    font-weight: 700;
}

.site-footer {
    margin-top: 22px;
    padding: 18px 22px;
    border-radius: 20px;
}

.site-footer p {
    margin: 0;
    color: var(--text-soft);
}

@keyframes rise-in {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes flicker {
    0%, 100% {
        opacity: 0.18;
    }
    50% {
        opacity: 0.28;
    }
}

@media (max-width: 980px) {
    .hero-panel,
    .content-grid,
    .timeline {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 760px) {
    .page-shell {
        width: min(100% - 20px, 1180px);
        padding-top: 14px;
    }

    .site-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .site-nav {
        justify-content: flex-start;
    }

    .hero-panel,
    .panel {
        padding: 18px;
    }

    .hero-copy h1 {
        font-size: clamp(2.4rem, 15vw, 4rem);
    }

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

    .signal-list li {
        flex-direction: column;
        align-items: flex-start;
    }
}