body {
    margin: 0;
    background: #eef3f8;
    color: #172033;
    font-family: Arial, "Microsoft YaHei", sans-serif;
}

.shell {
    max-width: 1180px;
    margin: 0 auto;
    padding: 28px 20px 44px;
}

.adminHero {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: 18px;
    align-items: stretch;
    margin-bottom: 18px;
    padding: 24px;
    background: #ffffff;
    border: 1px solid #dbe4ef;
    border-radius: 8px;
}

.adminHero h1 {
    margin: 4px 0 8px;
    font-size: 28px;
}

.adminHero p {
    margin: 0;
    color: #4b5563;
    line-height: 1.7;
}

.eyebrow {
    color: #2563eb !important;
    font-size: 13px;
    font-weight: 700;
}

.heroBadge {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 8px;
    padding: 16px;
    background: #f8fafc;
    border: 1px solid #dbe4ef;
    border-radius: 8px;
}

.heroBadge strong {
    font-size: 18px;
}

.heroBadge span {
    color: #64748b;
    line-height: 1.5;
}

.opsStatus {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin: 18px 0;
}

.opsStatus div {
    background: #ffffff;
    border: 1px solid #dbe4ef;
    border-radius: 8px;
    padding: 14px 16px;
}

.opsStatus span,
.opsStatus small {
    display: block;
    color: #64748b;
}

.opsStatus strong {
    display: block;
    margin: 6px 0;
    font-size: 18px;
}

.quickNav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 10px 0 18px;
}

.quickNav a {
    padding: 8px 11px;
    color: #1d4ed8;
    background: #ffffff;
    border: 1px solid #dbe4ef;
    border-radius: 6px;
    text-decoration: none;
}

.panel, .card {
    background: #fff;
    border: 1px solid #dbe4ef;
    border-radius: 8px;
    padding: 18px;
    box-shadow: 0 1px 2px rgba(15, 23, 42, .04);
}

.panel {
    margin: 14px 0;
    overflow-x: auto;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin: 18px 0;
}

.card strong {
    display: block;
    font-size: 28px;
}

.card span {
    color: #64748b;
}

label {
    display: block;
    margin: 12px 0;
}

input, textarea {
    display: block;
    width: 100%;
    box-sizing: border-box;
    margin-top: 6px;
    padding: 10px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
}

select {
    margin-top: 6px;
    padding: 10px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    background: #ffffff;
}

textarea {
    resize: vertical;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 12px;
}

.form-grid button, .form-grid textarea {
    grid-column: 1 / -1;
}

.inline input {
    display: inline-block;
    width: auto;
    margin-right: 8px;
}

button {
    padding: 9px 14px;
    border: 0;
    border-radius: 6px;
    background: #2563eb;
    color: #fff;
    cursor: pointer;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th, td {
    padding: 9px 10px;
    border-bottom: 1px solid #e5eaf1;
    text-align: left;
    vertical-align: top;
}

th {
    background: #f8fafc;
    color: #334155;
}

.topbar {
    text-align: right;
}

.error {
    color: #b91c1c;
}

.notice {
    padding: 10px 12px;
    background: #ecfdf5;
    color: #047857;
    border: 1px solid #a7f3d0;
    border-radius: 6px;
}

.muted {
    color: #64748b;
}

.landingBody {
    min-height: 100vh;
    color: #0f172a;
    background:
        radial-gradient(circle at 9% 12%, rgba(37, 99, 235, .18), transparent 28%),
        radial-gradient(circle at 88% 16%, rgba(20, 184, 166, .16), transparent 30%),
        linear-gradient(135deg, #f8fbff 0%, #eef4fb 42%, #f7fafc 100%);
    font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
}

.landingShell {
    max-width: 1180px;
    margin: 0 auto;
    padding: 34px 20px 52px;
}

.landingHero {
    margin-bottom: 22px;
}

.landingHeroGrid {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
    gap: 22px;
    align-items: stretch;
    padding: 26px;
    background: rgba(255, 255, 255, .88);
    border: 1px solid rgba(148, 163, 184, .24);
    border-radius: 28px;
    box-shadow: 0 28px 90px rgba(15, 23, 42, .12);
    backdrop-filter: blur(18px);
}

.landingTopbar {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 28px;
}

.landingBrand,
.landingTopTag {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    padding: 0 12px;
    border: 1px solid rgba(37, 99, 235, .16);
    border-radius: 999px;
    font-size: 13px;
    font-weight: 700;
}

.landingBrand {
    color: #1d4ed8;
    background: rgba(37, 99, 235, .08);
}

.landingTopTag {
    color: #0f766e;
    background: rgba(20, 184, 166, .1);
}

.landingCopy {
    padding: 18px 10px 14px 8px;
}

.landingCopy h1 {
    margin: 8px 0 10px;
    max-width: 720px;
    font-size: clamp(38px, 7vw, 74px);
    line-height: .98;
    letter-spacing: -1.8px;
}

.landingCopy h2 {
    margin: 0 0 18px;
    color: #2563eb;
    font-size: clamp(22px, 3vw, 31px);
    line-height: 1.28;
}

.landingLead,
.landingCopy p {
    color: #475569;
    font-size: 16px;
    line-height: 1.85;
}

.landingProofGrid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    margin: 24px 0;
}

.landingProofGrid div,
.landingMetricGrid div {
    padding: 14px;
    background: rgba(248, 250, 252, .9);
    border: 1px solid rgba(148, 163, 184, .24);
    border-radius: 16px;
}

.landingProofGrid strong,
.landingMetricGrid strong {
    display: block;
    margin-bottom: 6px;
    color: #0f172a;
    font-size: 18px;
}

.landingProofGrid span,
.landingMetricGrid span {
    color: #64748b;
    font-size: 13px;
    line-height: 1.5;
}

.landingActions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    align-items: center;
    margin-top: 12px;
}

.landingActionHint {
    color: #64748b;
    font-size: 13px;
}

.downloadCta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 48px;
    padding: 0 24px;
    color: #fff;
    background: linear-gradient(135deg, #0f766e 0%, #16a34a 52%, #22c55e 100%);
    border-radius: 999px;
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 16px 34px rgba(22, 163, 74, .28);
}

.landingNote {
    margin-top: 14px;
    color: #64748b !important;
    font-size: 13px !important;
}

.landingVisualPanel {
    position: relative;
    overflow: hidden;
    padding: 22px;
    color: #e2e8f0;
    background:
        linear-gradient(135deg, rgba(15, 23, 42, .96), rgba(30, 41, 59, .94)),
        radial-gradient(circle at 78% 10%, rgba(59, 130, 246, .45), transparent 28%);
    border: 1px solid rgba(148, 163, 184, .24);
    border-radius: 24px;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08);
}

.landingVisualPanel:before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(148, 163, 184, .08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(148, 163, 184, .08) 1px, transparent 1px);
    background-size: 34px 34px;
    mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .9), transparent 88%);
}

.landingProductCard,
.landingMetricGrid,
.landingImage {
    position: relative;
    z-index: 1;
}

.landingProductCard {
    margin-bottom: 18px;
    padding: 22px;
    background: rgba(15, 23, 42, .72);
    border: 1px solid rgba(226, 232, 240, .16);
    border-radius: 20px;
}

.landingProductCard span {
    display: inline-block;
    margin-bottom: 34px;
    color: #93c5fd;
    font-size: 12px;
    letter-spacing: 1.6px;
    text-transform: uppercase;
}

.landingProductCard strong {
    display: block;
    margin-bottom: 8px;
    font-size: 25px;
    line-height: 1.25;
}

.landingProductCard em {
    color: #94a3b8;
    font-style: normal;
}

.landingMetricGrid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.landingMetricGrid div {
    background: rgba(15, 23, 42, .64);
    border-color: rgba(226, 232, 240, .14);
}

.landingMetricGrid strong {
    color: #f8fafc;
    font-size: 15px;
}

.landingMetricGrid span {
    color: #94a3b8;
}

.landingImage {
    margin-bottom: 16px;
}

.landingImage img {
    display: block;
    max-width: 100%;
    border: 1px solid rgba(226, 232, 240, .22);
    border-radius: 18px;
    box-shadow: 0 18px 48px rgba(0, 0, 0, .28);
}

.landingSection,
.landingWorkflow,
.landingFinalCta {
    margin-top: 18px;
    padding: 24px;
    background: rgba(255, 255, 255, .88);
    border: 1px solid rgba(148, 163, 184, .22);
    border-radius: 24px;
    box-shadow: 0 16px 42px rgba(15, 23, 42, .06);
}

.landingSectionTitle h2,
.landingWorkflow h2,
.landingFinalCta h2 {
    margin: 4px 0 14px;
    font-size: clamp(24px, 3vw, 34px);
    letter-spacing: -.6px;
}

.landingTutorialIntro {
    margin: 0;
    color: #64748b !important;
    font-size: 14px !important;
}

.landingPluginGrid,
.landingTutorialGrid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 14px;
}

.landingTutorialCard {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 18px;
    background: linear-gradient(180deg, #f8fbff 0%, #f4f8fd 100%);
    border: 1px solid #dbe4ef;
    border-radius: 18px;
}

.landingTutorialHeader {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    justify-content: space-between;
}

.landingTutorialBadge {
    display: inline-flex;
    align-items: center;
    min-height: 28px;
    padding: 0 10px;
    color: #1d4ed8;
    background: #dbeafe;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 800;
}

.landingTutorialSummary {
    margin: 0;
    color: #475569;
    line-height: 1.7;
}

.downloadPluginButton {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 0 14px;
    color: #ffffff;
    background: linear-gradient(135deg, #2563eb 0%, #0f766e 100%);
    border-radius: 999px;
    font-weight: 800;
    text-decoration: none;
    box-shadow: 0 10px 22px rgba(37, 99, 235, .20);
}

.downloadPluginButton:hover {
    filter: brightness(1.04);
}

.clientSetupSteps {
    margin: 0;
    padding-left: 20px;
    color: #334155;
    line-height: 1.7;
}

.clientSetupSteps li + li {
    margin-top: 8px;
}

.landingFeatureGrid,
.landingWorkflowGrid,
.landingFeatures {
    display: grid;
    gap: 12px;
}

.landingFeatureGrid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.landingFeatureGrid article,
.landingWorkflowGrid div,
.landingFeatures li {
    padding: 18px;
    color: #172033;
    background: #f8fafc;
    border: 1px solid #dbe4ef;
    border-radius: 18px;
}

.landingFeatureGrid span,
.landingWorkflowGrid span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    margin-bottom: 16px;
    color: #1d4ed8;
    background: #dbeafe;
    border-radius: 10px;
    font-weight: 800;
}

.landingFeatureGrid strong,
.landingWorkflowGrid strong {
    display: block;
    margin-bottom: 8px;
    font-size: 17px;
}

.landingFeatureGrid p,
.landingWorkflowGrid p,
.landingFinalCta p {
    margin: 0;
    color: #64748b;
    line-height: 1.75;
}

.landingFeatures {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0;
    padding: 0;
    list-style: none;
}

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

.landingFinalCta {
    display: flex;
    gap: 20px;
    align-items: center;
    justify-content: space-between;
    color: #e2e8f0;
    background:
        radial-gradient(circle at 88% 16%, rgba(34, 197, 94, .22), transparent 30%),
        linear-gradient(135deg, #0f172a, #1e293b);
}

.landingFinalCta h2,
.landingFinalCta .eyebrow {
    color: #f8fafc !important;
}

.landingFinalCta p {
    color: #cbd5e1;
}

@media (max-width: 920px) {
    .landingHeroGrid,
    .landingFeatureGrid,
    .landingWorkflowGrid,
    .landingFeatures {
        grid-template-columns: 1fr;
    }

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

@media (max-width: 760px) {
    .adminHero,
    .opsStatus {
        grid-template-columns: 1fr;
    }

    .landingHeroGrid,
    .landingSection,
    .landingWorkflow,
    .landingFinalCta {
        padding: 18px;
        border-radius: 20px;
    }

    .landingProofGrid,
    .landingMetricGrid {
        grid-template-columns: 1fr;
    }
}