:root {
    --network-ink: #10164f;
    --network-text: #5e667a;
    --network-blue: #3028e8;
    --network-blue-dark: #171c70;
    --network-pale: #f1f0ff;
    --network-line: #e4e6f2;
    --network-yellow: #ffc32d;
}

.network-page {
    margin: 0;
    color: var(--network-text);
    background: #ffffff;
    font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}

.network-page *,
.network-page *::before,
.network-page *::after {
    box-sizing: border-box;
}

.network-page a {
    color: inherit;
    text-decoration: none;
}

.network-container {
    width: min(1180px, calc(100% - 48px));
    margin: 0 auto;
}

.network-topbar {
    min-height: 44px;
    color: #ffffff;
    background: #101116;
    font-size: 13px;
}

.network-topbar .network-container,
.network-header .network-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.network-topbar .network-container {
    min-height: 44px;
}

.network-topbar-info,
.network-topbar-social {
    display: flex;
    align-items: center;
    gap: 22px;
}

.network-topbar-info span,
.network-topbar-social a {
    display: inline-flex;
    align-items: center;
    gap: 7px;
}

.network-topbar-social a {
    color: #ffffff;
    opacity: 0.82;
}

.network-header {
    position: sticky;
    top: 0;
    z-index: 20;
    background: #ffffff;
    border-bottom: 1px solid rgba(16, 22, 79, 0.08);
}

.network-header .network-container {
    min-height: 86px;
    gap: 32px;
}

.network-logo img {
    display: block;
    width: 188px;
    height: auto;
}

.network-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    margin-left: auto;
}

.network-nav a {
    color: #242742;
    font-size: 15px;
    font-weight: 600;
    white-space: nowrap;
}

.network-nav a:hover,
.network-nav a:focus-visible {
    color: var(--network-blue);
}

.network-header-cta,
.network-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    min-height: 48px;
    padding: 0 24px;
    color: #ffffff !important;
    background: var(--network-blue);
    border: 1px solid var(--network-blue);
    border-radius: 4px;
    font-size: 14px;
    font-weight: 700;
    transition: transform 180ms ease, background 180ms ease, box-shadow 180ms ease;
}

.network-header-cta:hover,
.network-button:hover {
    color: #ffffff;
    background: var(--network-blue-dark);
    box-shadow: 0 10px 24px rgba(48, 40, 232, 0.18);
    transform: translateY(-2px);
}

.network-button.network-button-light {
    color: var(--network-blue) !important;
    background: #ffffff;
    border-color: rgba(48, 40, 232, 0.28);
}

.network-button.network-button-light:hover {
    color: #ffffff !important;
    background: var(--network-blue);
}

.network-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    color: var(--network-ink);
    background: #ffffff;
    border: 1px solid var(--network-line);
    border-radius: 4px;
    font-size: 20px;
}

.network-hero {
    position: relative;
    padding: 92px 0 76px;
    background: var(--network-pale);
    overflow: hidden;
}

.network-hero::before,
.network-hero::after {
    position: absolute;
    content: "";
    border: 1px solid rgba(48, 40, 232, 0.12);
    border-radius: 50%;
    pointer-events: none;
}

.network-hero::before {
    width: 460px;
    height: 460px;
    right: -160px;
    top: -160px;
}

.network-hero::after {
    width: 260px;
    height: 260px;
    left: -135px;
    bottom: -145px;
}

.network-hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(380px, 0.95fr);
    align-items: center;
    gap: 64px;
}

.network-eyebrow,
.network-section-kicker {
    display: inline-flex;
    align-items: center;
    min-height: 34px;
    margin: 0 0 18px;
    padding: 5px 14px;
    color: var(--network-blue);
    background: #ffffff;
    border: 1px solid rgba(48, 40, 232, 0.1);
    border-radius: 3px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0;
}

.network-hero h1 {
    max-width: 650px;
    margin: 0;
    color: var(--network-ink);
    font-size: 50px;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: 0;
}

.network-hero h1 strong {
    color: var(--network-blue);
    font-weight: 800;
}

.network-hero-copy > p:not(.network-eyebrow) {
    max-width: 600px;
    margin: 26px 0 0;
    font-size: 17px;
    line-height: 1.9;
}

.network-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 32px;
}

.network-hero-proof {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 34px;
    color: var(--network-ink);
    font-size: 14px;
    font-weight: 600;
}

.network-hero-proof i {
    color: var(--network-blue);
    font-size: 18px;
}

.network-hero-visual {
    position: relative;
    min-height: 540px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.network-hero-visual::before {
    position: absolute;
    width: 465px;
    height: 465px;
    content: "";
    background: rgba(255, 255, 255, 0.48);
    border: 1px solid rgba(48, 40, 232, 0.08);
    border-radius: 50%;
}

.network-hero-visual img {
    position: relative;
    z-index: 1;
    width: min(112%, 700px);
    height: auto;
    object-fit: contain;
    filter: drop-shadow(0 20px 28px rgba(16, 22, 79, 0.1));
}

.network-hero-note {
    position: absolute;
    right: 0;
    bottom: 9%;
    z-index: 2;
    padding: 15px 18px;
    color: var(--network-ink);
    background: #ffffff;
    border-left: 4px solid var(--network-yellow);
    box-shadow: 0 16px 34px rgba(16, 22, 79, 0.12);
    font-size: 14px;
    font-weight: 700;
}

.network-foundation {
    padding: 24px 0;
    background: #ffffff;
    border-bottom: 1px solid var(--network-line);
}

.network-foundation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
}

.network-foundation-item {
    display: flex;
    align-items: center;
    gap: 14px;
    min-height: 74px;
    padding: 10px 28px;
    border-right: 1px solid var(--network-line);
}

.network-foundation-item:first-child {
    padding-left: 0;
}

.network-foundation-item:last-child {
    border-right: 0;
}

.network-foundation-item i {
    color: var(--network-blue);
    font-size: 26px;
}

.network-foundation-item strong {
    display: block;
    color: var(--network-ink);
    font-size: 16px;
}

.network-foundation-item span {
    display: block;
    margin-top: 3px;
    font-size: 13px;
}

.network-section {
    padding: 112px 0;
}

.network-section.network-section-pale {
    background: var(--network-pale);
}

.network-section-heading {
    /* 桌面端充分利用内容宽度，减少二级标题和说明文字过早换行。 */
    max-width: 1180px;
    margin-bottom: 54px;
}

.network-section-heading.center {
    margin-right: auto;
    margin-left: auto;
    text-align: center;
}

.network-section-heading h2 {
    margin: 0;
    color: var(--network-ink);
    font-size: clamp(34px, 4vw, 54px);
    font-weight: 800;
    line-height: 1.18;
}

.network-section-heading p {
    margin: 20px 0 0;
    font-size: 16px;
    line-height: 1.9;
}

@media (min-width: 1101px) {
    .network-section-heading h2 {
        font-size: clamp(40px, 3.55vw, 50px);
        white-space: nowrap;
    }
}

.network-story-grid {
    display: grid;
    grid-template-columns: minmax(300px, 0.85fr) minmax(0, 1.15fr);
    align-items: center;
    gap: 78px;
}

.network-image-frame {
    position: relative;
}

.network-image-frame::after {
    position: absolute;
    z-index: 0;
    content: "";
    width: 84%;
    height: 84%;
    left: -22px;
    bottom: -22px;
    background: var(--network-blue);
}

.network-image-frame img {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    min-height: 380px;
    object-fit: cover;
}

.network-story-copy h3 {
    margin: 0;
    color: var(--network-ink);
    font-size: 29px;
    line-height: 1.35;
}

.network-story-copy > p {
    margin: 20px 0 0;
    font-size: 16px;
    line-height: 1.95;
}

.network-story-note {
    color: var(--network-ink);
    font-weight: 700;
}

.network-checklist {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 26px;
    margin: 30px 0 0;
    padding: 0;
    list-style: none;
}

.network-checklist li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: var(--network-ink);
    font-size: 15px;
    font-weight: 600;
}

.network-checklist i {
    margin-top: 5px;
    color: var(--network-blue);
}

.network-card-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
}

.network-card {
    min-height: 250px;
    padding: 30px 24px;
    background: #ffffff;
    border: 1px solid var(--network-line);
    transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.network-card:hover {
    border-color: rgba(48, 40, 232, 0.4);
    box-shadow: 0 18px 36px rgba(16, 22, 79, 0.1);
    transform: translateY(-6px);
}

.network-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin-bottom: 28px;
    padding: 7px;
    background: #ffffff;
    border: 1px solid var(--network-line);
    border-radius: 8px;
}

.network-card-icon img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.network-card h3 {
    margin: 0;
    color: var(--network-ink);
    font-size: 20px;
    line-height: 1.4;
}

.network-card p {
    margin: 13px 0 0;
    font-size: 14px;
    line-height: 1.8;
}

.network-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.network-step {
    position: relative;
    min-height: 260px;
    padding: 30px 28px;
    background: #ffffff;
    border-top: 4px solid var(--network-blue);
    box-shadow: 0 14px 32px rgba(16, 22, 79, 0.08);
}

.network-step-number {
    display: block;
    margin-bottom: 24px;
    color: var(--network-blue);
    font-size: 48px;
    font-weight: 800;
    line-height: 1;
}

.network-step h3 {
    margin: 0;
    color: var(--network-ink);
    font-size: 21px;
}

.network-step p {
    margin: 14px 0 0;
    font-size: 14px;
    line-height: 1.85;
}

.network-deliverables {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 72px;
    align-items: center;
}

.network-deliverables .network-image-frame img {
    min-height: 330px;
}

.network-deliverables-copy h2 {
    margin: 0;
    color: var(--network-ink);
    font-size: clamp(34px, 4vw, 52px);
    line-height: 1.18;
}

.network-deliverables-copy > p {
    margin: 20px 0 0;
    font-size: 16px;
    line-height: 1.9;
}

.network-metrics {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    margin-top: 32px;
}

.network-metric {
    padding-top: 18px;
    border-top: 2px solid var(--network-blue);
}

.network-metric strong {
    display: block;
    color: var(--network-ink);
    font-size: 26px;
    line-height: 1.25;
}

.network-metric span {
    display: block;
    margin-top: 3px;
    font-size: 13px;
}

.network-audience-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
}

.network-audience-card {
    padding: 30px;
    background: #ffffff;
    border: 1px solid var(--network-line);
}

.network-audience-card strong {
    display: block;
    color: var(--network-blue);
    font-size: 14px;
}

.network-audience-card h3 {
    margin: 13px 0 0;
    color: var(--network-ink);
    font-size: 21px;
}

.network-audience-card p {
    margin: 12px 0 0;
    font-size: 14px;
    line-height: 1.85;
}

.network-cta {
    padding: 82px 0;
    color: #ffffff;
    background: var(--network-ink);
}

.network-cta-grid {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 34px;
}

.network-cta h2 {
    max-width: 700px;
    margin: 0;
    color: #ffffff;
    font-size: clamp(32px, 4vw, 52px);
    line-height: 1.2;
}

.network-cta p {
    max-width: 650px;
    margin: 18px 0 0;
    color: rgba(255, 255, 255, 0.78);
    font-size: 16px;
}

.network-cta .network-button {
    flex: 0 0 auto;
    background: var(--network-yellow);
    border-color: var(--network-yellow);
    color: var(--network-ink) !important;
}

.network-cta .network-button:hover {
    background: #ffffff;
    border-color: #ffffff;
}

.network-footer {
    padding: 28px 0;
    color: #ffffff;
    background: #0a0c2f;
    font-size: 13px;
}

.network-footer .network-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.network-footer p {
    margin: 0;
}

.network-footer a {
    color: #ffffff;
}

@media (max-width: 1100px) {
    .network-nav {
        gap: 17px;
    }

    .network-header-cta {
        padding: 0 15px;
    }

    .network-hero-grid {
        gap: 36px;
    }

    .network-card-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 820px) {
    .network-topbar-info span:last-child,
    .network-topbar-social {
        display: none;
    }

    .network-nav,
    .network-header-cta {
        display: none;
    }

    .network-menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .network-header.is-open .network-nav {
        position: absolute;
        top: 86px;
        right: 24px;
        left: 24px;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 12px 20px;
        background: #ffffff;
        border: 1px solid var(--network-line);
        box-shadow: 0 16px 32px rgba(16, 22, 79, 0.1);
    }

    .network-header.is-open .network-nav a {
        width: 100%;
        padding: 11px 0;
        border-bottom: 1px solid var(--network-line);
    }

    .network-header.is-open .network-nav a:last-child {
        border-bottom: 0;
    }

    .network-hero {
        padding: 72px 0 58px;
    }

    .network-hero-grid,
    .network-story-grid,
    .network-deliverables {
        grid-template-columns: 1fr;
    }

    .network-hero-copy {
        max-width: 700px;
    }

    .network-hero h1 {
        font-size: 36px;
        line-height: 1.15;
    }

    .network-hero-visual {
        min-height: 420px;
    }

    .network-hero-visual::before {
        width: 350px;
        height: 350px;
    }

    .network-foundation-grid {
        grid-template-columns: 1fr;
    }

    .network-foundation-item,
    .network-foundation-item:first-child {
        padding: 16px 0;
        border-right: 0;
        border-bottom: 1px solid var(--network-line);
    }

    .network-foundation-item:last-child {
        border-bottom: 0;
    }

    .network-section {
        padding: 78px 0;
    }

    .network-story-grid,
    .network-deliverables {
        gap: 46px;
    }

    .network-steps,
    .network-audience-grid {
        grid-template-columns: 1fr;
    }

    .network-cta-grid {
        display: block;
    }

    .network-cta .network-button {
        margin-top: 26px;
    }
}

@media (max-width: 560px) {
    .network-container {
        width: min(100% - 32px, 1180px);
    }

    .network-topbar {
        font-size: 12px;
    }

    .network-topbar-info {
        gap: 0;
    }

    .network-logo img {
        width: 160px;
    }

    .network-header .network-container {
        min-height: 74px;
    }

    .network-header.is-open .network-nav {
        top: 74px;
        right: 16px;
        left: 16px;
    }

    .network-hero h1 {
        font-size: 28px;
        line-height: 1.3;
    }

    .network-hero-copy > p:not(.network-eyebrow),
    .network-section-heading p,
    .network-story-copy > p,
    .network-deliverables-copy > p {
        font-size: 15px;
    }

    .network-hero-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .network-button {
        width: 100%;
    }

    .network-hero-visual {
        min-height: 340px;
    }

    .network-hero-visual img {
        width: 112%;
        max-width: 620px;
    }

    .network-hero-note {
        right: 0;
        bottom: 6%;
        font-size: 12px;
    }

    .network-section-heading h2,
    .network-deliverables-copy h2 {
        font-size: 34px;
    }

    .network-checklist {
        grid-template-columns: 1fr;
    }

    .network-card-grid {
        grid-template-columns: 1fr;
    }

    .network-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        row-gap: 24px;
    }

    .network-metric strong {
        font-size: 21px;
    }

    .network-footer .network-container {
        display: block;
    }

    .network-footer p + p {
        margin-top: 8px;
    }
}
