.home-intro-band {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    background:
        linear-gradient(180deg, rgba(231, 251, 247, 0.88) 0%, rgba(233, 246, 255, 0.84) 42%, rgba(248, 252, 255, 1) 72%, rgba(231, 251, 247, 0.68) 100%);
}

.home-intro-band::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -2;
    background-image:
        linear-gradient(rgba(19, 183, 167, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(80, 184, 255, 0.08) 1px, transparent 1px);
    background-size: 54px 54px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.58), rgba(0, 0, 0, 0.35) 54%, transparent 94%);
    animation: grid-drift 14s linear infinite;
}

.home-intro-band::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(115deg, transparent 0%, transparent 42%, rgba(80, 184, 255, 0.16) 49%, transparent 56%, transparent 100%);
    transform: translateX(-55%);
    animation: signal-sweep 8s ease-in-out infinite;
    pointer-events: none;
}

.home-hero {
    position: relative;
    padding: 70px 0 56px;
}

.hero-grid {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.72fr);
    gap: 54px;
    align-items: center;
}

.hero-copy h1 {
    max-width: 700px;
    margin-bottom: 22px;
    color: var(--text-strong);
    font-size: clamp(2.4rem, 5vw, 4.35rem);
    font-weight: 800;
    line-height: 1.08;
}

.hero-copy h1 span {
    display: block;
}

.hero-copy p {
    max-width: 640px;
    margin-bottom: 30px;
    color: var(--muted);
    font-size: 1.1rem;
}

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

.hero-panel {
    padding: 28px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: var(--shadow);
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
    color: var(--muted);
    font-size: 0.9rem;
}

.panel-header strong {
    color: var(--text-strong);
}

.signal-list {
    display: grid;
    gap: 12px;
}

.signal-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
}

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

.signal-row strong {
    color: var(--accent);
}

.panel-meter {
    height: 8px;
    margin-top: 24px;
    border-radius: 999px;
    background: var(--bg-soft);
    overflow: hidden;
}

.panel-meter span {
    display: block;
    width: 78%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--accent), var(--highlight));
}

.home-section {
    padding: 72px 0;
}

.home-capabilities {
    position: relative;
    background: transparent;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
}

.feature-card,
.process-step,
.version-card {
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
}

.feature-card {
    padding: 24px;
}

.feature-index {
    display: inline-flex;
    margin-bottom: 24px;
    color: var(--accent);
    font-weight: 800;
    font-size: 0.85rem;
}

.feature-card h3,
.process-step h3,
.version-card h3 {
    color: var(--text-strong);
}

.feature-card h3 {
    margin-bottom: 12px;
    font-size: 1.16rem;
}

.feature-card p,
.process-step p,
.v-desc {
    color: var(--muted);
}

.workflow-section {
    background: var(--surface);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
}

.process-step {
    padding: 28px 24px;
    text-align: center;
}

.process-step span {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    border: 1px solid rgba(19, 183, 167, 0.2);
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent-soft), var(--highlight-soft));
    color: var(--accent);
    font-weight: 800;
}

.process-step h3 {
    margin-bottom: 10px;
}

.versions-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.version-card {
    position: relative;
    display: flex;
    min-height: 100%;
    flex-direction: column;
    padding: 28px;
}

.version-card-standard {
    border-color: var(--border);
}

.version-card-gold {
    border-color: rgba(80, 184, 255, 0.36);
    background: linear-gradient(180deg, var(--premium-soft), var(--surface) 44%);
}

.version-card-gold.has-gold-badge {
    padding-top: 28px;
}

.version-badge-gold {
    display: inline-flex;
    min-height: 26px;
    align-items: center;
    padding: 0 10px;
    border-radius: 999px;
    background: #dcf3ff;
    color: #1769aa;
    font-size: 0.78rem;
    font-weight: 800;
}

.version-card-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 18px;
    margin-bottom: 12px;
}

.version-title-line {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.v-title {
    font-size: 1.45rem;
}

.v-price {
    color: var(--accent);
    white-space: nowrap;
}

.v-desc {
    margin-bottom: 20px;
}

.v-features {
    display: grid;
    gap: 10px;
    margin-bottom: 24px;
    padding-left: 18px;
    color: var(--text);
}

.v-features li::marker {
    color: var(--accent);
}

.version-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: auto;
}

.version-download-btn {
    flex: 1 1 180px;
}

.version-download-btn-gold {
    background: var(--premium);
    color: #fff;
}

.version-download-btn-gold:hover,
.version-download-btn-gold:focus-visible {
    background: #1f73d4;
}

.version-purchase-link {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    padding: 0 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-strong);
    text-decoration: none;
    font-weight: 700;
}

.comparison-table-wrap {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
}

.comparison-table {
    width: 100%;
    min-width: 720px;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 18px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    vertical-align: top;
}

.comparison-table th {
    background: var(--surface-muted);
    color: var(--text-strong);
    font-weight: 800;
}

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

@media (max-width: 720px) {
    .comparison-table-wrap {
        overflow-x: visible;
        border: 0;
        background: transparent;
    }

    .comparison-table {
        display: block;
        min-width: 0;
    }

    .comparison-table thead {
        display: none;
    }

    .comparison-table tbody {
        display: grid;
        gap: 12px;
    }

    .comparison-table tr {
        display: block;
        padding: 14px;
        border: 1px solid var(--border);
        border-radius: 8px;
        background: var(--surface);
        box-shadow: 0 14px 32px rgba(43, 111, 154, 0.08);
    }

    .comparison-table td {
        display: block;
        padding: 0;
        border-bottom: 0;
        overflow-wrap: anywhere;
    }

    .comparison-table td:first-child {
        margin-bottom: 10px;
        color: var(--accent);
        font-size: 0.86rem;
        font-weight: 800;
    }

    .comparison-table td:nth-child(2),
    .comparison-table td:nth-child(3) {
        display: grid;
        grid-template-columns: 76px minmax(0, 1fr);
        gap: 10px;
        align-items: start;
        padding: 11px 12px;
        border: 1px solid var(--border);
        border-radius: 8px;
        background: var(--surface-muted);
        color: var(--text);
    }

    .comparison-table td:nth-child(3) {
        margin-top: 8px;
        border-color: rgba(19, 183, 167, 0.28);
        background: rgba(231, 251, 247, 0.76);
        color: var(--text-strong);
        font-weight: 800;
    }

    .comparison-table td:nth-child(2)::before,
    .comparison-table td:nth-child(3)::before {
        display: inline-flex;
        min-height: 24px;
        align-items: center;
        justify-content: center;
        padding: 0 8px;
        border-radius: 999px;
        font-size: 0.72rem;
        font-weight: 800;
        white-space: nowrap;
    }

    .comparison-table td:nth-child(2)::before {
        content: "\4F20\7EDF\65B9\6848";
        background: #eef5fa;
        color: #60738d;
    }

    .comparison-table td:nth-child(3)::before {
        content: "\5E7B\5F71\667A\80FD";
        background: var(--accent-soft);
        color: var(--accent);
    }
}

.home-cta {
    padding: 50px 0 0;
}

.cta-box {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
}

.cta-box h2 {
    margin-bottom: 6px;
    color: var(--text-strong);
}

.cta-box p {
    color: var(--muted);
}

@media (max-width: 980px) {
    .hero-grid,
    .feature-grid,
    .process-grid,
    .versions-grid {
        grid-template-columns: 1fr;
    }

    .home-hero,
    .home-section {
        padding: 46px 0;
    }

    .hero-copy h1 span {
        display: inline;
    }

    .cta-box {
        align-items: flex-start;
        flex-direction: column;
    }
}

@keyframes grid-drift {
    0% {
        background-position: 0 0, 0 0;
    }
    100% {
        background-position: 54px 54px, 54px 54px;
    }
}

@keyframes signal-sweep {
    0%, 42% {
        transform: translateX(-55%);
        opacity: 0;
    }
    52% {
        opacity: 1;
    }
    78%, 100% {
        transform: translateX(55%);
        opacity: 0;
    }
}

@media (prefers-reduced-motion: reduce) {
    .home-intro-band::before,
    .home-intro-band::after {
        animation: none;
    }
}