/* FunASR GitHub Pages design system */
:root {
    --ink: #111827;
    --ink-soft: #334155;
    --muted: #64748b;
    --muted-2: #94a3b8;
    --page: #f7f9fc;
    --surface: #ffffff;
    --surface-2: #f1f5f9;
    --line: #dbe3ee;
    --line-strong: #c7d2e1;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-soft: #dbeafe;
    --teal: #0f766e;
    --teal-soft: #ccfbf1;
    --green: #059669;
    --green-soft: #d1fae5;
    --amber: #b45309;
    --amber-soft: #fef3c7;
    --red: #b42318;
    --code-bg: #101828;
    --code-line: #1d2939;
    --radius: 8px;
    --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
    --shadow-lg: 0 18px 45px rgba(16, 24, 40, 0.12);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
}

body {
    min-width: 320px;
    background:
        linear-gradient(180deg, #fbfcff 0%, var(--page) 42%, #ffffff 100%);
    color: var(--ink);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a {
    color: var(--primary-dark);
    text-decoration: none;
}

a:hover {
    color: var(--teal);
}

img {
    max-width: 100%;
}

.container {
    width: min(100% - 48px, 1120px);
    margin: 0 auto;
}

.narrow {
    max-width: 850px;
}

/* Navigation */
.nav {
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(219, 227, 238, 0.82);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(18px);
}

.nav .container {
    display: flex;
    align-items: center;
    gap: 28px;
    min-height: 68px;
}

.nav-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--ink);
    font-size: 1.16rem;
    font-weight: 800;
    letter-spacing: 0;
    white-space: nowrap;
}

.nav-logo::before {
    content: '';
    width: 24px;
    height: 24px;
    border-radius: 7px;
    background:
        linear-gradient(135deg, var(--primary) 0%, var(--teal) 55%, var(--amber) 100%);
    box-shadow: 0 8px 22px rgba(37, 99, 235, 0.22);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-links a {
    border-radius: 999px;
    color: var(--muted);
    font-size: 0.9rem;
    font-weight: 650;
    line-height: 1;
    padding: 9px 12px;
}

.nav-links a:hover,
.nav-links a.active {
    background: var(--surface-2);
    color: var(--ink);
}

.nav-github {
    margin-left: auto;
    border: 1px solid var(--line);
    border-radius: 999px;
    color: var(--ink-soft);
    font-size: 0.86rem;
    font-weight: 700;
    line-height: 1;
    padding: 10px 15px;
    white-space: nowrap;
}

.nav-github:hover {
    border-color: var(--primary);
    color: var(--primary-dark);
    box-shadow: var(--shadow);
}

/* Hero */
.hero {
    position: relative;
    overflow: hidden;
    background:
        linear-gradient(120deg, #0b1020 0%, #102f30 58%, #342714 100%);
    color: #ffffff;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 36px 36px;
    -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.24));
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.82), rgba(0, 0, 0, 0.24));
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.78fr);
    align-items: center;
    gap: 54px;
    min-height: 620px;
    padding: 86px 0 72px;
}

.hero-copy {
    max-width: 690px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    color: #a7f3d0;
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green);
    box-shadow: 0 0 0 6px rgba(5, 150, 105, 0.18);
}

.hero h1 {
    max-width: 760px;
    margin-bottom: 20px;
    font-size: clamp(3.4rem, 8vw, 6.8rem);
    font-weight: 800;
    letter-spacing: 0;
    line-height: 0.92;
}

.hero p {
    max-width: 650px;
    margin-bottom: 28px;
    color: rgba(255, 255, 255, 0.82);
    font-size: 1.12rem;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 0 0 34px;
}

.hero-badges a {
    display: inline-flex;
}

.hero-badges img {
    height: 23px;
    border-radius: 4px;
}

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

.hero-panel {
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius);
    background: rgba(11, 18, 32, 0.74);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.32);
}

.terminal-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.72);
    font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', monospace;
    font-size: 0.74rem;
    padding: 12px 14px;
}

.terminal-dots {
    display: inline-flex;
    gap: 6px;
}

.terminal-dots span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #ef4444;
}

.terminal-dots span:nth-child(2) {
    background: #f59e0b;
}

.terminal-dots span:nth-child(3) {
    background: #10b981;
}

.hero-panel pre {
    margin: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    color: #d1e9ff;
    white-space: pre-wrap;
}

.hero-metrics {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-metrics div {
    padding: 16px 14px;
}

.hero-metrics div + div {
    border-left: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-metrics strong {
    display: block;
    color: #ffffff;
    font-size: 1.2rem;
    line-height: 1.2;
}

.hero-metrics span {
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.76rem;
    font-weight: 650;
    text-transform: uppercase;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    border: 1px solid transparent;
    border-radius: 999px;
    cursor: pointer;
    font-size: 0.92rem;
    font-weight: 800;
    line-height: 1.15;
    padding: 12px 20px;
    text-align: center;
    transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

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

.btn-white {
    background: #ffffff;
    color: var(--ink);
}

.btn-white:hover {
    box-shadow: 0 14px 32px rgba(0, 0, 0, 0.22);
    color: var(--ink);
}

.btn-outline-white {
    border-color: rgba(255, 255, 255, 0.32);
    background: rgba(255, 255, 255, 0.08);
    color: #ffffff;
}

.btn-outline-white:hover {
    border-color: rgba(255, 255, 255, 0.74);
    background: rgba(255, 255, 255, 0.13);
    color: #ffffff;
}

.btn-primary {
    background: var(--primary);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--primary-dark);
    color: #ffffff;
    box-shadow: 0 12px 24px rgba(37, 99, 235, 0.22);
}

/* Sections */
section {
    padding: 78px 0;
}

section.alt {
    border-block: 1px solid var(--line);
    background: #ffffff;
}

.section-title {
    margin-bottom: 12px;
    font-size: clamp(1.72rem, 3vw, 2.45rem);
    font-weight: 800;
    letter-spacing: 0;
    line-height: 1.1;
    text-align: center;
}

.section-subtitle {
    max-width: 670px;
    margin: 0 auto 42px;
    color: var(--muted);
    font-size: 1rem;
    text-align: center;
}

.section-cta {
    margin-top: 34px;
    text-align: center;
}

.grid-3,
.grid-2 {
    display: grid;
    gap: 20px;
}

.grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

/* Cards */
.card {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
    padding: 26px;
    transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.card::before {
    content: '';
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--teal), var(--amber));
    opacity: 0;
    transition: opacity 0.18s ease;
}

.card:hover {
    border-color: var(--line-strong);
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.card:hover::before {
    opacity: 1;
}

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 34px;
    margin-bottom: 18px;
    border: 1px solid rgba(37, 99, 235, 0.14);
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary-soft), var(--teal-soft));
    color: var(--ink);
    font-size: 0.74rem;
    font-weight: 850;
    letter-spacing: 0.04em;
}

.card h3 {
    margin-bottom: 9px;
    color: var(--ink);
    font-size: 1.08rem;
    font-weight: 800;
    line-height: 1.3;
}

.card p {
    color: var(--muted);
    font-size: 0.94rem;
    line-height: 1.65;
}

.card-title-link {
    display: inline-flex;
    color: inherit;
}

.card-title-link:hover {
    color: var(--primary-dark);
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 16px;
}

.tag {
    display: inline-flex;
    align-items: center;
    min-height: 25px;
    border: 1px solid rgba(15, 118, 110, 0.16);
    border-radius: 999px;
    background: var(--teal-soft);
    color: #115e59;
    font-size: 0.72rem;
    font-weight: 800;
    line-height: 1;
    padding: 5px 10px;
}

.card-tags .tag:nth-child(3n + 1) {
    background: var(--primary-soft);
    color: var(--primary-dark);
    border-color: rgba(37, 99, 235, 0.16);
}

.card-tags .tag:nth-child(3n + 2) {
    background: var(--green-soft);
    color: #047857;
    border-color: rgba(5, 150, 105, 0.16);
}

.card-tags .tag:nth-child(3n) {
    background: var(--amber-soft);
    color: var(--amber);
    border-color: rgba(180, 83, 9, 0.16);
}

/* Code blocks */
pre {
    margin: 16px 0 24px;
    overflow-x: auto;
    border: 1px solid #202b3d;
    border-radius: var(--radius);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.035), transparent 36px),
        var(--code-bg);
    box-shadow: var(--shadow);
    color: #e6edf6;
    font-size: 0.85rem;
    line-height: 1.65;
    padding: 20px 22px;
    white-space: pre;
}

code {
    font-family: 'JetBrains Mono', 'Fira Code', 'SF Mono', ui-monospace, Menlo, Monaco, Consolas, monospace;
}

p code,
li code,
td code {
    border: 1px solid #e2e8f0;
    border-radius: 5px;
    background: #f8fafc;
    color: var(--red);
    font-size: 0.82rem;
    padding: 2px 6px;
    word-break: break-word;
}

/* Content pages */
.content {
    padding: 56px 0 86px;
}

.content > .container,
.content.container {
    max-width: 920px;
}

.content.container.narrow {
    max-width: 850px;
}

.content h1 {
    max-width: 760px;
    margin-bottom: 10px;
    color: var(--ink);
    font-size: clamp(2rem, 4.8vw, 3.35rem);
    font-weight: 850;
    letter-spacing: 0;
    line-height: 1.05;
}

.content h1 + p {
    max-width: 760px;
    margin-bottom: 34px;
    color: var(--muted);
    font-size: 1.05rem;
}

.content h2 {
    margin: 58px 0 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
    font-size: 1.42rem;
    font-weight: 820;
    letter-spacing: 0;
    line-height: 1.25;
}

.content h3 {
    margin: 32px 0 12px;
    color: var(--ink-soft);
    font-size: 1.08rem;
    font-weight: 800;
}

.content p {
    margin-bottom: 13px;
    color: var(--ink-soft);
}

.content ul,
.content ol {
    margin: 14px 0 16px 24px;
    color: var(--ink-soft);
}

.content li {
    margin-bottom: 8px;
}

.content strong {
    color: var(--ink);
}

.quick-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(172px, 1fr));
    gap: 8px;
    margin: 34px 0 50px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
    padding: 14px;
}

.quick-nav a {
    display: flex;
    align-items: center;
    min-height: 40px;
    border-radius: 7px;
    color: var(--ink-soft);
    font-size: 0.88rem;
    font-weight: 750;
    line-height: 1.25;
    padding: 9px 11px;
}

.quick-nav a:hover {
    background: var(--surface-2);
    color: var(--primary-dark);
}

.callout-spaced {
    margin-top: 48px;
}

.note,
.warning {
    margin: 18px 0;
    border: 1px solid transparent;
    border-radius: var(--radius);
    color: var(--ink-soft);
    font-size: 0.92rem;
    padding: 15px 17px;
}

.note {
    border-color: rgba(37, 99, 235, 0.16);
    background: #eff6ff;
}

.warning {
    border-color: rgba(180, 83, 9, 0.18);
    background: #fffbeb;
}

table {
    display: block;
    width: 100%;
    margin: 18px 0 22px;
    overflow-x: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    border-spacing: 0;
    background: var(--surface);
    font-size: 0.88rem;
}

tbody {
    display: table;
    width: 100%;
    border-collapse: collapse;
}

th,
td {
    border-bottom: 1px solid var(--line);
    padding: 11px 14px;
    text-align: left;
    vertical-align: top;
}

tr:last-child td {
    border-bottom: 0;
}

th {
    background: #f8fafc;
    color: var(--muted);
    font-size: 0.74rem;
    font-weight: 850;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    white-space: nowrap;
}

.step {
    margin: 18px 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
    padding: 24px;
}

.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    margin-right: 10px;
    border-radius: 999px;
    background: var(--ink);
    color: #ffffff;
    font-size: 0.8rem;
    font-weight: 850;
    line-height: 1;
}

/* Footer */
footer {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: #0b1020;
    color: var(--muted-2);
    padding: 44px 0;
    text-align: center;
}

footer p {
    margin-bottom: 8px;
}

footer a {
    color: #67e8f9;
}

footer a:hover {
    color: #a7f3d0;
}

@media (max-width: 960px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 34px;
        min-height: auto;
        padding: 74px 0 60px;
    }

    .hero-panel {
        max-width: 680px;
    }

    .grid-3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 760px) {
    .container {
        width: min(100% - 32px, 1120px);
    }

    .nav .container {
        flex-wrap: wrap;
        gap: 10px 14px;
        min-height: 0;
        padding: 12px 0;
    }

    .nav-links {
        order: 3;
        width: 100%;
        overflow-x: auto;
        padding-bottom: 2px;
    }

    .nav-links a {
        white-space: nowrap;
    }

    .nav-github {
        padding: 9px 12px;
    }

    .hero h1 {
        font-size: clamp(3rem, 18vw, 4.4rem);
    }

    .hero p {
        font-size: 1rem;
    }

    .hero-actions .btn {
        flex: 1 1 180px;
    }

    .hero-metrics {
        grid-template-columns: 1fr;
    }

    .hero-metrics div + div {
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        border-left: 0;
    }

    section {
        padding: 56px 0;
    }

    .section-subtitle {
        margin-bottom: 30px;
    }

    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .card,
    .step {
        padding: 22px;
    }

    .quick-nav {
        grid-template-columns: 1fr;
        margin-bottom: 42px;
    }

    pre {
        font-size: 0.8rem;
        padding: 18px 16px;
    }
}

@media (max-width: 430px) {
    .container {
        width: min(100% - 24px, 1120px);
    }

    .nav-logo {
        font-size: 1.02rem;
    }

    .nav-github {
        font-size: 0.8rem;
    }

    .hero-content {
        padding-top: 56px;
    }

    .hero-badges img {
        height: 21px;
    }

    .content {
        padding-top: 42px;
    }
}