    :root {
        --red: #e5252a;
        --red-dark: #b9151a;
        --cyan: #2da7c7;
        --cyan-dark: #177d98;
        --ink: #20262d;
        --muted: #66717d;
        --line: #dce8ec;
        --soft-cyan: #eef9fc;
        --soft-red: #fff2f2;
        --white: #ffffff;
        --shadow: 0 18px 45px rgba(31, 59, 71, 0.12);
        --radius-xl: 30px;
        --radius-lg: 22px;
        --radius-md: 16px;
        --container: min(1180px, calc(100% - 40px));
    }

    * {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        color: var(--ink);
        background: #f7fbfc;
        font-family: "Noto Sans TC", "Microsoft JhengHei", Arial, sans-serif;
        line-height: 1.75;
        overflow-x: hidden;
    }

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

    button {
        font: inherit;
    }

    .section {
        padding: clamp(4.5rem, 2.9rem + 2.58vw, 6rem) clamp(0.625rem, -0.042rem + 1.08vw, 1.25rem);
        position: relative;
    }

    .container {
        width: var(--container);
        margin: 0 auto;
    }

    .section-head {
        max-width: 820px;
        margin-bottom: 42px;
    }

    .eyebrow {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 14px;
        color: var(--cyan-dark);
        font-size: 14px;
        font-weight: 800;
        letter-spacing: .12em;
        text-transform: uppercase;
    }

    .eyebrow::before {
        content: "";
        width: 34px;
        height: 4px;
        border-radius: 99px;
        background: linear-gradient(90deg, var(--red), var(--cyan));
    }

    h1,
    h2,
    h3,
    h4,
    p {
        margin-top: 0;
    }

    h1 {
        margin-bottom: 20px;
        font-size: clamp(42px, 6vw, 78px);
        line-height: 1.08;
        letter-spacing: -.03em;
    }

    h2 {
        margin-bottom: 16px;
        font-size: clamp(30px, 4vw, 48px);
        line-height: 1.2;
        letter-spacing: -.02em;
    }

    h3 {
        font-size: 21px;
        line-height: 1.35;
    }

    .lead {
        color: var(--muted);
        font-size: clamp(17px, 2vw, 20px);
    }

    .hero {
        min-height: 760px;
        display: flex;
        align-items: center;
        /* padding: 92px 0 80px; */
        background:
            radial-gradient(circle at 85% 20%, rgba(45, 167, 199, .20), transparent 30%),
            radial-gradient(circle at 12% 12%, rgba(229, 37, 42, .13), transparent 26%),
            linear-gradient(135deg, #ffffff 0%, #f2fafc 100%);
        overflow: hidden;
    }

    .hero::after {
        content: "";
        position: absolute;
        right: -140px;
        bottom: -180px;
        width: 520px;
        height: 520px;
        border: 1px solid rgba(45, 167, 199, .16);
        border-radius: 50%;
        box-shadow: 0 0 0 70px rgba(45, 167, 199, .05), 0 0 0 140px rgba(229, 37, 42, .035);
    }

    .hero-grid {
        display: grid;
        grid-template-columns: 1.05fr .95fr;
        gap: 72px;
        align-items: center;
    }

    .hero-copy {
        position: relative;
        z-index: 2;
    }

    .hero-copy strong {
        color: var(--red);
    }

    .hero-subtitle {
        max-width: 700px;
        margin-bottom: 30px;
        color: var(--muted);
        font-size: 20px;
    }

    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-height: 52px;
        padding: 0 24px;
        border: 1px solid transparent;
        border-radius: 999px;
        font-weight: 800;
        transition: .25s ease;
        cursor: pointer;
    }

    .btn-primary {
        color: #fff;
        background: linear-gradient(135deg, var(--red), #f1494e);
        box-shadow: 0 12px 28px rgba(229, 37, 42, .25);
    }

    .btn-primary:hover {
        transform: translateY(-3px);
        box-shadow: 0 18px 35px rgba(229, 37, 42, .30);
    }

    .btn-secondary {
        color: var(--cyan-dark);
        background: #fff;
        border-color: rgba(45, 167, 199, .35);
    }

    .btn-secondary:hover {
        transform: translateY(-3px);
        border-color: var(--cyan);
    }

    .dashboard {
        position: relative;
        z-index: 2;
        padding: 26px;
        border: 1px solid rgba(45, 167, 199, .18);
        border-radius: 32px;
        background: rgba(255, 255, 255, .84);
        backdrop-filter: blur(18px);
        box-shadow: var(--shadow);
        animation: float 6s ease-in-out infinite;
    }

    .dash-top {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 20px;
    }

    .dash-title {
        font-weight: 900;
    }

    .status {
        color: var(--cyan-dark);
        font-size: 13px;
        font-weight: 800;
    }

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

    .summary-card {
        padding: 16px;
        border-radius: 16px;
        background: var(--soft-cyan);
    }

    .summary-card.red {
        background: var(--soft-red);
    }

    .summary-card b {
        display: block;
        font-size: 22px;
    }

    .workflow-mini {
        display: grid;
        gap: 12px;
    }

    .workflow-row {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 13px 14px;
        border-radius: 14px;
        background: #f8fbfc;
    }

    .workflow-row .dot {
        width: 12px;
        height: 12px;
        border-radius: 50%;
        background: var(--cyan);
        box-shadow: 0 0 0 6px rgba(45, 167, 199, .12);
    }

    .workflow-row:nth-child(even) .dot {
        background: var(--red);
        box-shadow: 0 0 0 6px rgba(229, 37, 42, .10);
    }

    .workflow-row span:last-child {
        margin-left: auto;
        color: var(--muted);
        font-size: 13px;
    }

    .pain-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
    }

    .pain-card {
        padding: 32px;
        border-radius: var(--radius-xl);
        background: #fff;
        box-shadow: var(--shadow);
    }

    .pain-list {
        display: grid;
        gap: 16px;
    }

    .pain-item {
        display: flex;
        gap: 14px;
        align-items: flex-start;
    }

    .pain-icon {
        flex: 0 0 42px;
        height: 42px;
        display: grid;
        place-items: center;
        border-radius: 14px;
        color: #fff;
        background: linear-gradient(135deg, var(--red), #ff6468);
        font-weight: 900;
    }

    .integration-map {
        position: relative;
        min-height: 420px;
        display: grid;
        place-items: center;
        border-radius: var(--radius-xl);
        background: linear-gradient(160deg, #eef9fc, #fff7f7);
        /* overflow: hidden; */
    }

    .hub {
        width: 11.25rem; /* 180 */
        height: auto;
        aspect-ratio: 1 / 1;

        display: grid;
        place-items: center;
        text-align: center;
        border-radius: 50%;
        color: #fff;

        font-size: clamp(0.875rem, 0.742rem + 0.22vw, 1rem); /* 14 16 */
        font-weight: 900;
        background: linear-gradient(135deg, var(--cyan), var(--red));
        box-shadow: 0 18px 40px rgba(39, 112, 133, .28);
        z-index: 2;
    }

    .orbit {
        position: absolute;
        width: 100px;
        min-height: 62px;
        padding: 10px;
        display: grid;
        place-items: center;
        text-align: center;
        border-radius: 16px;
        background: #fff;
        box-shadow: 0 12px 28px rgba(40, 66, 77, .12);
        font-weight: 800;
        animation: pulse 3.5s ease-in-out infinite;
    }

    .orbit.o1 {
        top: 30px;
        left: 50%;
        transform: translateX(-50%)
    }

    .orbit.o2 {
        left: 30px;
        top: 50%;
        transform: translateY(-50%)
    }

    .orbit.o3 {
        right: 30px;
        top: 50%;
        transform: translateY(-50%)
    }

    .orbit.o4 {
        bottom: 30px;
        left: 50%;
        transform: translateX(-50%)
    }

    .integration-map::before,
    .integration-map::after {
        content: "";
        position: absolute;
        inset: 80px;
        border: 1px dashed rgba(45, 167, 199, .35);
        border-radius: 50%;
        animation: spin 18s linear infinite;
    }

    .integration-map::after {
        inset: 125px;
        border-color: rgba(229, 37, 42, .30);
        animation-direction: reverse;
    }

    .core-value {
        padding: 0 0 96px;
    }

    .value-panel {
        position: relative;
        overflow: hidden;
        padding: 58px;
        border-radius: 34px;
        color: #fff;
        background: linear-gradient(120deg, var(--red) 0%, #f0565a 38%, var(--cyan) 100%);
        box-shadow: 0 24px 60px rgba(60, 102, 116, .22);
    }

    .value-panel::after {
        content: "";
        position: absolute;
        right: -80px;
        top: -110px;
        width: 320px;
        height: 320px;
        border-radius: 50%;
        border: 1px solid rgba(255, 255, 255, .26);
        box-shadow: 0 0 0 45px rgba(255, 255, 255, .07), 0 0 0 90px rgba(255, 255, 255, .05);
    }

    .value-panel h2 {
        max-width: 820px;
        font-size: clamp(34px, 5vw, 60px);
    }

    .value-panel p {
        max-width: 820px;
        margin-bottom: 0;
        font-size: 18px;
        opacity: .94;
    }

    .modules {
        background: #fff;
    }

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

    .module-card {
        position: relative;
        padding: 30px;
        border: 1px solid var(--line);
        border-radius: var(--radius-lg);
        background: #fff;
        transition: .3s ease;
        overflow: hidden;
    }

    .module-card::before {
        content: "";
        position: absolute;
        inset: 0 auto 0 0;
        width: 5px;
        background: linear-gradient(var(--red), var(--cyan));
        transform: scaleY(0);
        transform-origin: bottom;
        transition: .3s ease;
    }

    .module-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow);
    }

    .module-card:hover::before {
        transform: scaleY(1);
    }

    .module-no {
        color: var(--red);
        font-weight: 900;
        letter-spacing: .1em;
    }

    .module-card ul {
        padding-left: 18px;
        color: var(--muted);
    }

    .benefit {
        margin-top: 18px;
        padding-top: 18px;
        border-top: 1px solid var(--line);
        color: var(--cyan-dark);
        font-weight: 800;
    }

    .flow-section {
        background: linear-gradient(180deg, #f7fbfc, #eef8fb);
    }

    .flow-track {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 18px;
        align-items: stretch;
        position: relative;
    }

    .flow-track::before {
        content: "";
        position: absolute;
        left: 8%;
        right: 8%;
        top: 41px;
        height: 3px;
        background: linear-gradient(90deg, var(--red), var(--cyan));
        z-index: 0;
    }

    .flow-step {
        position: relative;
        z-index: 1;
        text-align: center;
    }

    .flow-icon {
        width: 82px;
        height: 82px;
        margin: 0 auto 18px;
        display: grid;
        place-items: center;
        border-radius: 50%;
        color: #fff;
        font-weight: 900;
        font-size: 24px;
        background: linear-gradient(135deg, var(--red), var(--cyan));
        box-shadow: 0 12px 28px rgba(31, 112, 135, .20);
    }

    .flow-step p {
        color: var(--muted);
        font-size: 14px;
    }

    .audiences {
        background: #fff;
    }

    .audience-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }

    .audience-card {
        padding: 28px;
        border-radius: 22px;
        background: linear-gradient(145deg, #fff, #f6fbfc);
        border: 1px solid var(--line);
        min-height: 250px;
    }

    .audience-card:nth-child(even) {
        background: linear-gradient(145deg, #fff, #fff5f5);
    }

    .audience-card .tag {
        display: inline-block;
        margin-bottom: 18px;
        padding: 6px 12px;
        border-radius: 999px;
        color: #fff;
        background: var(--cyan);
        font-size: 13px;
        font-weight: 800;
    }

    .audience-card:nth-child(even) .tag {
        background: var(--red);
    }

    .audience-card p {
        color: var(--muted);
    }

    .advantages {
        overflow: hidden;
    }

    .advantage-arc {
        position: relative;
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 26px;
        align-items: end;
        padding-top: 40px;
    }

    .advantage-arc::before {
        content: "";
        position: absolute;
        left: 8%;
        right: 8%;
        top: 76px;
        height: 180px;
        border-top: 3px solid rgba(45, 167, 199, .30);
        border-radius: 50% 50% 0 0;
    }

    .adv-card {
        position: relative;
        z-index: 2;
        min-height: 250px;
        padding: 30px;
        border-radius: 24px;
        background: #fff;
        box-shadow: var(--shadow);
    }

    .adv-card:nth-child(2) {
        transform: translateY(-42px);
    }

    .adv-icon {
        width: 58px;
        height: 58px;
        display: grid;
        place-items: center;
        margin-bottom: 18px;
        border-radius: 18px;
        color: #fff;
        background: linear-gradient(135deg, var(--red), var(--cyan));
        font-weight: 900;
    }

    .adv-card p {
        color: var(--muted);
    }

    .cta {
        padding-top: 36px;
    }

    .cta-panel {
        display: grid;
        grid-template-columns: 1fr auto;
        gap: 30px;
        align-items: center;
        padding: 48px 54px;
        border-radius: 30px;
        background: #202a32;
        color: #fff;
        box-shadow: var(--shadow);
    }

    .cta-panel h2 {
        margin-bottom: 10px;
    }

    .cta-panel p {
        margin-bottom: 0;
        color: #cbd4da;
    }

    .reveal {
        opacity: 1;
        translate: 0 0;
        animation: revealFadeUp .75s ease both;
    }

    .dashboard.reveal {
        animation: revealFadeUp .75s ease both, float 6s ease-in-out infinite;
    }

    @keyframes float {

        0%,
        100% {
            transform: translateY(0)
        }

        50% {
            transform: translateY(-12px)
        }
    }

    @keyframes pulse {

        0%,
        100% {
            box-shadow: 0 12px 28px rgba(40, 66, 77, .12)
        }

        50% {
            box-shadow: 0 18px 38px rgba(45, 167, 199, .22)
        }
    }

    @keyframes spin {
        to {
            transform: rotate(360deg);
        }
    }

    @media (max-width: 980px) {
        .hero {
            min-height: auto;
        }

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

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

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

        .flow-track::before {
            display: none;
        }

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

        .advantage-arc {
            grid-template-columns: 1fr;
        }

        .advantage-arc::before {
            display: none;
        }

        .adv-card:nth-child(2) {
            transform: none;
        }

        .cta-panel {
            grid-template-columns: 1fr;
        }

        .orbit.o2 {
            left: 20%;
        }

        .orbit.o3 {
            right: 20%;
        }
    }

    @media (max-width: 640px) {
        /* .section {
            padding: 72px 0;
        } */

        .container {
            width: min(100% - 28px, 1180px);
        }

        .hero {
            padding-top: 64px;
        }

        .hero-actions {
            flex-direction: column;
        }

        .btn {
            width: 100%;
        }

        .summary-grid,
        .module-grid,
        .audience-grid,
        .flow-track {
            grid-template-columns: 1fr;
        }

        .value-panel {
            padding: 38px 26px;
        }

        .pain-card {
            padding: 24px;
        }

        .integration-map {
            min-height: 390px;
        }

        .hub {
            width: 9.375rem;
        }

        .orbit {
            width: 88px;
            font-size: 13px;
        }

        .orbit.o2 {
            /* left: 14px; */
            left: 10%;
        }

        .orbit.o3 {
            /* right: 14px; */
            right: 10%;
        }

        .cta-panel {
            padding: 36px 26px;
        }
    }

        @media (max-width: 480px) {

            .hub {
                width: clamp(7.5rem, 3.5rem + 6.46vw, 11.25rem);
            }

            .orbit.o1 {
                top: 50px;
            }

            .orbit.o2 {
                left: 5%;
            }

            .orbit.o3 {
                right: 5%;
            }

            .orbit.o4 {
                bottom: 50px;
            }
        }

        @media (max-width: 380px) {
            .orbit.o2 {
                left: -5%;
            }

            .orbit.o3 {
                right: -5%;
            }
        }



/* 捲動到視窗時顯示動畫 start --------------------- */

    @keyframes revealFadeUp {
        from {
            opacity: 0;
            translate: 0 24px;
        }

        to {
            opacity: 1;
            translate: 0 0;
        }
    }

    @supports (animation-timeline: view()) {
        .reveal {
            opacity: 0;
            translate: 0 24px;
            animation: revealFadeUp linear both;
            animation-timeline: view();
            animation-range: entry 0% cover 22%;
        }

        .dashboard.reveal {
            animation: revealFadeUp linear both, float 6s ease-in-out infinite;
            animation-timeline: view(), auto;
            animation-range: entry 0% cover 22%, normal;
        }
    }

/* 捲動到視窗時顯示動畫 end --------------------- */