@charset "UTF-8";

:root {
    --primary: #0d5f71;
    --primary-dark: #083f4b;
    --secondary: #20948f;
    --accent: #f2ad3d;
    --navy: #15313b;
    --text: #273a42;
    --muted: #64747a;
    --surface: #ffffff;
    --surface-soft: #f3f8f8;
    --surface-blue: #eaf4f7;
    --border: #d8e5e7;
    --danger-soft: #fff4ed;
    --danger: #b8552c;
    --shadow-sm: 0 10px 24px rgba(13, 95, 113, 0.06);
    --shadow-md: 0 18px 42px rgba(13, 95, 113, 0.1);
    --radius-sm: 16px;
    --radius-md: 26px;
    --radius-lg: 38px;
    --header-height: 82px;
    --shell: 1220px;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 18px);
}

body {
    margin: 0;
    color: var(--text);
    background: #fcfdfd;
    font-family: "Noto Sans TC", "Microsoft JhengHei", "PingFang TC", Arial, sans-serif;
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

img {
    display: block;
    max-width: 100%;
}

button,
a {
    font: inherit;
}

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

a:focus-visible,
button:focus-visible {
    outline: 3px solid rgba(32, 148, 143, 0.35);
    outline-offset: 4px;
}

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

h1,
h2,
h3 {
    color: var(--navy);
    line-height: 1.25;
}

h2 {
    font-size: clamp(2rem, 4vw, 3.4rem);
    letter-spacing: -0.035em;
}

.shell {
    width: min(calc(100% - 40px), var(--shell));
    margin-inline: auto;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: fixed;
    z-index: 9999;
    top: 10px;
    left: 10px;
    padding: 0.7rem 1rem;
    border-radius: 12px;
    color: #ffffff;
    background: var(--primary-dark);
    transform: translateY(-160%);
}

.skip-link:focus {
    transform: translateY(0);
}

.eyebrow {
    margin-bottom: 0.8rem;
    color: var(--secondary);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.section {
    padding: 5.5rem 0;
}

.section-head {
    max-width: 790px;
    margin-bottom: 3rem;
}

.section-head h2 {
    margin-bottom: 1rem;
}

.section-head p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 1.05rem;
}

.section-head-split {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 4rem;
    align-items: end;
    max-width: none;
}

/* Header */
.site-header {
    position: sticky;
    z-index: 1000;
    top: 0;
    min-height: var(--header-height);
    border-bottom: 1px solid rgba(13, 95, 113, 0.06);
    background: rgba(255, 255, 255, 0.94);
    box-shadow: 0 4px 16px rgba(13, 95, 113, 0.04);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.header-inner {
    display: flex;
    min-height: var(--header-height);
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
}

.brand-mark {
    display: grid;
    place-items: center;
    width: 46px;
    height: 46px;
    border-radius: 15px;
    color: #ffffff;
    background: linear-gradient(145deg, var(--primary), var(--secondary));
    box-shadow: 0 10px 22px rgba(13, 95, 113, 0.22);
    font-weight: 900;
    letter-spacing: -0.04em;
}

.brand-text {
    display: grid;
    line-height: 1.15;
}

.brand-text strong {
    color: var(--navy);
    font-size: 1rem;
}

.brand-text small {
    margin-top: 0.26rem;
    color: var(--muted);
    font-size: 0.74rem;
}

.primary-nav {
    display: flex;
    align-items: center;
    gap: 1.6rem;
}

.primary-nav a {
    position: relative;
    padding: 0.7rem 0;
    color: #536269;
    font-size: 0.92rem;
    font-weight: 800;
}

.primary-nav a::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 0.35rem;
    left: 0;
    height: 2px;
    border-radius: 999px;
    background: var(--secondary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.2s ease;
}

.primary-nav a:hover,
.primary-nav a:focus-visible {
    color: var(--primary);
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after {
    transform: scaleX(1);
}

.nav-toggle {
    display: none;
    width: 46px;
    height: 46px;
    border: 1px solid var(--border);
    border-radius: 14px;
    color: var(--primary);
    background: #ffffff;
    font-size: 1.5rem;
}

/* Hero */
.hero {
    position: relative;
    overflow: hidden;
    padding: 5.5rem 0 6.5rem;
    background:
        radial-gradient(circle at 93% 8%, rgba(242, 173, 61, 0.16), transparent 23rem),
        radial-gradient(circle at 5% 90%, rgba(32, 148, 143, 0.11), transparent 25rem),
        linear-gradient(135deg, #f7fbfb 0%, #edf6f6 52%, #ffffff 100%);
}

.hero::before {
    content: "";
    position: absolute;
    top: 4rem;
    right: -7rem;
    width: 28rem;
    height: 28rem;
    border: 1px solid rgba(13, 95, 113, 0.08);
    border-radius: 50%;
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(520px, 1.08fr);
    gap: 5rem;
    align-items: center;
}

.hero-copy h1 {
    margin-bottom: 1.35rem;
    font-size: clamp(3rem, 5.5vw, 5.2rem);
    letter-spacing: -0.055em;
}

.hero-copy h1 span {
    display: block;
    margin-top: 0.55rem;
    color: var(--primary);
    font-size: 0.52em;
    letter-spacing: -0.03em;
}

.hero-copy blockquote {
    display: inline-block;
    margin-bottom: 1.4rem;
    padding: 0.65rem 1rem;
    border-left: 4px solid var(--accent);
    border-radius: 0 12px 12px 0;
    color: var(--navy);
    background: rgba(255, 255, 255, 0.75);
    font-weight: 800;
}

.hero-intro {
    max-width: 670px;
    margin-bottom: 2rem;
    color: var(--muted);
    font-size: 1.06rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.button {
    display: inline-flex;
    min-height: 48px;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.25rem;
    border: 1px solid transparent;
    border-radius: 999px;
    font-weight: 850;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover,
.button:focus-visible {
    transform: translateY(-2px);
}

.button-primary {
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: 0 12px 24px rgba(13, 95, 113, 0.16);
}

.button-secondary {
    border-color: rgba(13, 95, 113, 0.2);
    color: var(--primary);
    background: rgba(255, 255, 255, 0.95);
}

.hero-visual {
    position: relative;
    min-height: 610px;
    border-radius: var(--radius-lg);
    isolation: isolate;
}

.hero-visual::before {
    content: "";
    position: absolute;
    z-index: -2;
    inset: 2rem 0 0 2.5rem;
    border: 1px solid rgba(13, 95, 113, 0.12);
    border-radius: var(--radius-lg);
    background-image:
        linear-gradient(rgba(13, 95, 113, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(13, 95, 113, 0.045) 1px, transparent 1px),
        linear-gradient(145deg, #eff8f8, #f9fcfc);
    background-size: 30px 30px, 30px 30px, auto;
    box-shadow: 0 16px 34px rgba(13, 95, 113, 0.08);
}

.hero-visual::after {
    content: "";
    position: absolute;
    z-index: -1;
    right: -3.5rem;
    bottom: -2.5rem;
    width: 15rem;
    height: 15rem;
    border: 2.5rem solid rgba(32, 148, 143, 0.12);
    border-radius: 50%;
}

.hero-visual img {
    position: absolute;
    inset: 0.5rem 1.3rem 0.5rem 0;
    width: calc(100% - 1.3rem);
    height: calc(100% - 1rem);
    border-radius: 34px;
    object-fit: cover;
    box-shadow: 0 22px 48px rgba(15, 49, 58, 0.14);
}

.hero-chip {
    position: absolute;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.85rem 1rem;
    border: 1px solid rgba(255, 255, 255, 0.75);
    border-radius: 18px;
    color: var(--navy);
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 10px 24px rgba(12, 63, 74, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    font-weight: 850;
}

.hero-chip i {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 11px;
    color: #ffffff;
    background: linear-gradient(145deg, var(--primary), var(--secondary));
}

.hero-chip-qr {
    top: 1rem;
    left: -1.8rem;
}

.hero-chip-cycle {
    top: 31%;
    right: -1.5rem;
}

.hero-chip-sop {
    right: 1.5rem;
    bottom: 0;
}

/* Problems */
.disasters {
    background: #ffffff;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
    align-items: stretch;
}

.problem-card {
    position: relative;
    min-height: 340px;
    padding: 2rem;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: #ffffff;
    box-shadow: 0 10px 24px rgba(13, 95, 113, 0.04);
}

.problem-card::after {
    content: "";
    position: absolute;
    right: -4rem;
    bottom: -4rem;
    width: 10rem;
    height: 10rem;
    border-radius: 50%;
    background: rgba(32, 148, 143, 0.07);
}

.problem-card-emphasis {
    transform: translateY(1.4rem);
    border-color: rgba(242, 173, 61, 0.38);
    background: linear-gradient(155deg, #fffdf9, #fff5e7);
}

.problem-number {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    color: rgba(13, 95, 113, 0.12);
    font-size: 4rem;
    font-weight: 950;
    line-height: 1;
}

.problem-icon {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    margin-bottom: 2.2rem;
    border-radius: 18px;
    color: #ffffff;
    background: linear-gradient(145deg, var(--primary), var(--secondary));
    box-shadow: 0 13px 28px rgba(13, 95, 113, 0.2);
    font-size: 1.45rem;
}

.problem-card-emphasis .problem-icon {
    background: linear-gradient(145deg, #d77c2d, var(--accent));
}

.problem-card h3 {
    position: relative;
    z-index: 1;
    margin-bottom: 0.9rem;
    font-size: 1.35rem;
}

.problem-card p {
    position: relative;
    z-index: 1;
    margin-bottom: 0;
    color: var(--muted);
}

/* Quote */
.quote-band {
    overflow: hidden;
    color: #ffffff;
    background:
        radial-gradient(circle at 10% 10%, rgba(242, 173, 61, 0.2), transparent 15rem),
        linear-gradient(120deg, var(--primary-dark), var(--primary), var(--secondary));
}

.quote-band-inner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1.5rem;
    align-items: center;
    padding: 3.2rem 0;
    text-align: center;
}

.quote-band span {
    color: rgba(255, 255, 255, 0.28);
    font-family: Georgia, serif;
    font-size: clamp(3.8rem, 8vw, 7rem);
    line-height: 0.6;
}

.quote-band p {
    margin-bottom: 0;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 900;
    letter-spacing: 0.03em;
}

/* Hardships */
.hardships {
    background:
        radial-gradient(circle at 88% 10%, rgba(242, 173, 61, 0.1), transparent 22rem),
        var(--surface-soft);
}

.hardships-layout {
    display: grid;
    grid-template-columns: minmax(320px, 0.75fr) minmax(0, 1.25fr);
    gap: 5rem;
    align-items: start;
}

.hardships-intro {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
}

.hardships-intro h2 {
    margin-bottom: 1rem;
}

.hardships-intro>p:last-of-type {
    color: var(--muted);
}

.cost-highlight {
    display: grid;
    gap: 0.55rem;
    margin-top: 2rem;
    padding: 1.5rem;
    border-left: 5px solid var(--accent);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    background: #ffffff;
    box-shadow: 0 10px 24px rgba(13, 95, 113, 0.04);
}

.cost-highlight strong {
    color: var(--danger);
    font-size: 2.6rem;
    line-height: 1;
}

.cost-highlight span {
    color: var(--muted);
}

.hardships-list {
    display: grid;
    gap: 1rem;
}

.hardship-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.2rem;
    padding: 1.6rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: #ffffff;
    box-shadow: 0 10px 24px rgba(13, 95, 113, 0.04);
}

.hardship-icon {
    display: grid;
    place-items: center;
    width: 54px;
    height: 54px;
    border-radius: 17px;
    color: var(--danger);
    background: var(--danger-soft);
    font-size: 1.35rem;
}

.hardship-item h3 {
    margin-bottom: 0.55rem;
    font-size: 1.28rem;
}

.hardship-item p {
    margin-bottom: 0;
    color: var(--muted);
}

/* Solution */
.solution {
    position: relative;
    overflow: hidden;
    background: #ffffff;
}

.solution::before {
    content: "";
    position: absolute;
    top: 5rem;
    left: -8rem;
    width: 24rem;
    height: 24rem;
    border-radius: 50%;
    background: rgba(32, 148, 143, 0.07);
}

.solution-head {
    position: relative;
    z-index: 1;
    margin-inline: auto;
    text-align: center;
}

.feature-showcase {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.feature-panel {
    position: relative;
    min-height: 490px;
    padding: 2rem;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: 0 16px 34px rgba(13, 95, 113, 0.08);
}

.feature-panel::after {
    content: "";
    position: absolute;
    right: -6rem;
    bottom: -6rem;
    width: 18rem;
    height: 18rem;
    border: 3.2rem solid rgba(255, 255, 255, 0.16);
    border-radius: 50%;
}

.feature-panel-history {
    color: #ffffff;
    background: linear-gradient(135deg, #0d5f71 0%, #1d7d86 100%);
}

.feature-panel-schedule {
    background: linear-gradient(145deg, #f5f9f9, #e7f3f2);
}

.feature-panel-icon {
    display: grid;
    place-items: center;
    width: 70px;
    height: 70px;
    margin-bottom: 3rem;
    border-radius: 22px;
    font-size: 1.8rem;
}

.feature-panel-history .feature-panel-icon {
    color: var(--primary);
    background: #ffffff;
}

.feature-panel-schedule .feature-panel-icon {
    color: #ffffff;
    background: linear-gradient(145deg, var(--primary), var(--secondary));
}

.feature-panel-copy {
    position: relative;
    z-index: 1;
}

.feature-panel-copy>span {
    display: inline-block;
    margin-bottom: 0.5rem;
    font-size: 0.76rem;
    font-weight: 900;
    letter-spacing: 0.18em;
}

.feature-panel-history .feature-panel-copy>span,
.feature-panel-history .feature-panel-copy h3,
.feature-panel-history .feature-panel-copy p {
    color: #ffffff;
}

.feature-panel-copy h3 {
    margin-bottom: 1rem;
    font-size: clamp(1.65rem, 3vw, 2.4rem);
}

.feature-panel-copy p {
    margin-bottom: 0;
    color: var(--muted);
}

.feature-flow {
    position: absolute;
    z-index: 1;
    right: 2rem;
    bottom: 2rem;
    left: 2rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.feature-flow span {
    padding: 0.35rem 0.55rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.13);
    font-size: 0.82rem;
    font-weight: 800;
}

.feature-flow i {
    color: rgba(255, 255, 255, 0.65);
}

.schedule-steps {
    position: absolute;
    z-index: 1;
    right: 2rem;
    bottom: 2rem;
    left: 2rem;
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr;
    gap: 0.7rem;
    align-items: center;
}

.schedule-steps>div {
    display: grid;
    gap: 0.55rem;
    place-items: center;
    min-height: 120px;
    padding: 1rem;
    border: 1px solid rgba(13, 95, 113, 0.12);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.76);
    text-align: center;
    font-weight: 850;
}

.schedule-steps>div i {
    color: var(--primary);
    font-size: 1.7rem;
}

.schedule-steps>i {
    color: var(--secondary);
}

/* Comparison */
.comparison {
    background:
        linear-gradient(rgba(13, 95, 113, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(13, 95, 113, 0.035) 1px, transparent 1px),
        var(--surface-soft);
    background-size: 34px 34px;
}

.comparison-head {
    margin-inline: auto;
    text-align: center;
}

.comparison-board {
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: #ffffff;
    box-shadow: var(--shadow-md);
}

.comparison-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 88px minmax(0, 1fr);
    border-top: 1px solid var(--border);
}

.comparison-row:first-child {
    border-top: 0;
}

.comparison-row-head {
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    font-weight: 900;
    text-align: center;
}

.comparison-row-head>div {
    padding: 1.1rem 1.4rem;
}

.comparison-row-head>div:nth-child(2) {
    display: grid;
    place-items: center;
    color: var(--primary-dark);
    background: #ffffff;
}

.comparison-cell {
    padding: 1.55rem 1.7rem;
}

.comparison-cell strong {
    display: block;
    margin-bottom: 0.55rem;
    font-size: 1.18rem;
}

.comparison-cell p {
    margin-bottom: 0;
    color: var(--muted);
}

.comparison-cell.old {
    background: linear-gradient(135deg, #ffffff, #fbf6f3);
}

.comparison-cell.old strong {
    color: var(--danger);
}

.comparison-cell.new {
    background: linear-gradient(135deg, #f2fbfa, #e8f5f3);
}

.comparison-cell.new strong {
    color: var(--primary);
}

.comparison-vs {
    display: grid;
    place-items: center;
    border-right: 1px solid var(--border);
    border-left: 1px solid var(--border);
    color: #ffffff;
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    font-weight: 950;
}

/* Footer */
.site-footer {
    color: rgba(255, 255, 255, 0.78);
    background: #0b1f26;
}

.footer-inner {
    display: flex;
    min-height: 110px;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.footer-inner strong {
    color: #ffffff;
}

/* RWD */
@media (max-width: 1199.98px) {
    .hero-grid {
        grid-template-columns: minmax(0, 0.9fr) minmax(460px, 1.1fr);
        gap: 3rem;
    }

    .hero-visual {
        min-height: 560px;
    }

    .primary-nav {
        gap: 1rem;
    }

    .primary-nav a {
        font-size: 0.84rem;
    }
}

@media (max-width: 991.98px) {
    :root {
        --header-height: 74px;
    }

    .nav-toggle {
        display: grid;
        place-items: center;
    }

    .primary-nav {
        position: absolute;
        top: var(--header-height);
        right: 0;
        left: 0;
        display: none;
        align-items: stretch;
        padding: 0.8rem 20px 1.2rem;
        border-top: 1px solid var(--border);
        background: rgba(255, 255, 255, 0.98);
        box-shadow: 0 20px 35px rgba(13, 95, 113, 0.1);
    }

    .primary-nav.is-open {
        display: grid;
    }

    .primary-nav a {
        padding: 0.75rem 0.5rem;
        font-size: 0.98rem;
    }

    .primary-nav a::after {
        display: none;
    }

    .hero {
        padding-top: 4.5rem;
    }

    .hero-grid,
    .section-head-split,
    .hardships-layout {
        grid-template-columns: 1fr;
    }

    .hero-copy {
        max-width: 760px;
        text-align: center;
        margin-inline: auto;
    }

    .hero-copy blockquote {
        margin-inline: auto;
    }

    .hero-intro {
        margin-inline: auto;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-visual {
        width: min(100%, 720px);
        margin-inline: auto;
    }

    .section-head-split {
        gap: 1rem;
    }

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

    .problem-card:last-child {
        grid-column: 1 / -1;
    }

    .problem-card-emphasis {
        transform: none;
    }

    .hardships-intro {
        position: static;
    }

    .feature-showcase {
        grid-template-columns: 1fr;
    }

    .feature-panel {
        min-height: 430px;
    }
}

@media (max-width: 767.98px) {
    .shell {
        width: min(calc(100% - 28px), var(--shell));
    }

    .section {
        padding: 5rem 0;
    }

    .hero {
        padding: 3.5rem 0 5rem;
    }

    .hero-copy h1 {
        font-size: clamp(2.55rem, 11vw, 4rem);
    }

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

    .hero-visual {
        min-height: 500px;
    }

    .hero-chip {
        padding: 0.65rem 0.75rem;
        font-size: 0.82rem;
    }

    .hero-chip i {
        width: 30px;
        height: 30px;
    }

    .hero-chip-qr {
        left: 0;
    }

    .hero-chip-cycle {
        right: 0;
    }

    .problem-grid {
        grid-template-columns: 1fr;
    }

    .problem-card:last-child {
        grid-column: auto;
    }

    .problem-card {
        min-height: 0;
    }

    .quote-band-inner {
        grid-template-columns: 1fr;
        gap: 0.2rem;
    }

    .quote-band span {
        display: none;
    }

    .feature-panel {
        min-height: 520px;
        padding: 1.5rem;
    }

    .feature-flow {
        right: 1.5rem;
        bottom: 1.5rem;
        left: 1.5rem;
        justify-content: center;
    }

    .feature-flow i {
        transform: rotate(90deg);
    }

    .schedule-steps {
        right: 1.5rem;
        bottom: 1.5rem;
        left: 1.5rem;
        grid-template-columns: 1fr;
    }

    .schedule-steps>i {
        transform: rotate(90deg);
        justify-self: center;
    }

    .schedule-steps>div {
        min-height: 76px;
        grid-template-columns: auto 1fr;
        justify-items: start;
        text-align: left;
    }

    .comparison-board {
        overflow: visible;
        border: 0;
        background: transparent;
        box-shadow: none;
    }

    .comparison-row {
        grid-template-columns: 1fr;
        gap: 0;
        margin-bottom: 1rem;
        overflow: hidden;
        border: 1px solid var(--border);
        border-radius: 22px;
        background: #ffffff;
        box-shadow: var(--shadow-sm);
    }

    .comparison-row-head {
        display: none;
    }

    .comparison-vs {
        min-height: 44px;
        border: 0;
    }

    .footer-inner {
        flex-direction: column;
        justify-content: center;
        text-align: center;
    }
}

@media (max-width: 575.98px) {
    .brand-text small {
        display: none;
    }

    .hero-actions {
        display: grid;
    }

    .button {
        width: 100%;
    }

    .hero-visual {
        min-height: 430px;
    }

    .hero-visual::before {
        inset: 1.2rem 0 0 0;
    }

    .hero-visual img {
        inset: 0;
        width: 100%;
        height: calc(100% - 0.5rem);
    }

    .hero-chip-qr {
        top: -0.7rem;
    }

    .hero-chip-cycle {
        top: 42%;
    }

    .hero-chip-sop {
        right: 0.5rem;
        bottom: -0.5rem;
    }

    .hardship-item {
        grid-template-columns: 1fr;
    }

    .feature-panel {
        min-height: 560px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

/* ---------------------------------------------------------
   簡化版聯絡區 + Footer
   --------------------------------------------------------- */
.contact-simple {
    padding: 6rem 0 5.5rem;
    background: #eef5fb;
    text-align: center;
}

.contact-simple__head {
    max-width: 900px;
    margin: 0 auto 3.5rem;
}

.contact-simple__head h2 {
    margin-bottom: 1rem;
    color: #1d558a;
    font-size: clamp(2.1rem, 4.2vw, 3.2rem);
    font-weight: 900;
    letter-spacing: -0.03em;
}

.contact-simple__head p {
    margin: 0;
    color: #5f7690;
    font-size: 1.05rem;
    line-height: 1.9;
}

.contact-simple__list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.contact-simple__item {
    display: block;
    padding: 1rem 1rem 0.5rem;
    color: inherit;
    text-decoration: none;
}

.contact-simple__icon {
    display: grid;
    place-items: center;
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    border: 1px solid #c7d8ea;
    border-radius: 50%;
    background: #ffffff;
    box-shadow: 0 12px 28px rgba(27, 73, 120, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.contact-simple__icon i {
    color: #2a76bf;
    font-size: 2.25rem;
    line-height: 1;
}

.contact-simple__item h3 {
    margin-bottom: 0.55rem;
    color: #1d558a;
    font-size: 1.15rem;
    font-weight: 900;
}

.contact-simple__item p {
    margin: 0;
    color: #355d83;
    font-size: 0.98rem;
    line-height: 1.7;
}

.contact-simple__item:hover .contact-simple__icon,
.contact-simple__item:focus-visible .contact-simple__icon {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(27, 73, 120, 0.12);
}

.site-footer {
    color: #ffffff;
    background: #123f6f;
}

.footer-inner {
    display: flex;
    min-height: 110px;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.footer-inner p {
    margin: 0;
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 700;
}

@media (max-width: 991.98px) {
    .contact-simple {
        padding: 5rem 0 4.5rem;
    }

    .contact-simple__head {
        margin-bottom: 2.5rem;
    }

    .contact-simple__list {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        max-width: 420px;
    }
}

@media (max-width: 575.98px) {
    .contact-simple {
        padding: 4rem 0 3.75rem;
    }

    .contact-simple__head h2 {
        font-size: 2rem;
    }

    .contact-simple__head p {
        font-size: 1rem;
    }

    .contact-simple__icon {
        width: 88px;
        height: 88px;
    }

    .contact-simple__icon i {
        font-size: 2rem;
    }

    .footer-inner {
        min-height: 88px;
        padding: 0 1rem;
    }

    .footer-inner p {
        font-size: 0.88rem;
        line-height: 1.6;
    }
}


/* ---------------------------------------------------------
   統一版 Header／導覽列
   --------------------------------------------------------- */
:root {
    --header-height: 100px;
    --header-shell: 1540px;
}

.site-header {
    position: sticky;
    z-index: 1000;
    top: 0;
    min-height: var(--header-height);
    border-top: 1px solid #f1dfe4;
    border-bottom: 1px solid rgba(22, 52, 62, 0.08);
    background: rgba(249, 250, 251, 0.98);
    box-shadow: 0 5px 18px rgba(28, 52, 61, 0.06);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

.header-shell {
    width: min(calc(100% - 48px), var(--header-shell));
    margin-inline: auto;
}

.header-inner {
    display: flex;
    min-height: var(--header-height);
    align-items: center;
    justify-content: space-between;
    gap: 2.5rem;
}

.brand {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
    padding: 0;
}

.brand img {
    display: block;
    width: min(390px, 30vw);
    max-width: 100%;
    height: auto;
    object-fit: contain;
}

.primary-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 2.35rem;
}

.primary-nav__links {
    display: flex;
    align-items: center;
    gap: 2.35rem;
}

.primary-nav__link {
    position: relative;
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    padding: 0.55rem 0;
    color: #707070;
    font-size: 1.02rem;
    font-weight: 800;
    letter-spacing: 0.01em;
    white-space: nowrap;
}

.primary-nav__link::after {
    content: "";
    position: absolute;
    right: 0;
    bottom: 2px;
    left: 0;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.22s ease;
}

.primary-nav__link:hover,
.primary-nav__link:focus-visible,
.primary-nav__link.is-active {
    color: var(--primary-dark);
}

.primary-nav__link:hover::after,
.primary-nav__link:focus-visible::after,
.primary-nav__link.is-active::after {
    transform: scaleX(1);
}

.nav-contact {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 0.72rem 1.35rem;
    border: 1px solid transparent;
    border-radius: 999px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: 0 12px 26px rgba(13, 95, 113, 0.2);
    font-size: 0.98rem;
    font-weight: 850;
    white-space: nowrap;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        background 0.2s ease;
}

.nav-contact i {
    font-size: 1rem;
    line-height: 1;
}

.nav-contact:hover,
.nav-contact:focus-visible {
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    box-shadow: 0 15px 32px rgba(13, 95, 113, 0.27);
    transform: translateY(-2px);
}

.nav-toggle {
    display: none;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 1px solid rgba(13, 95, 113, 0.22);
    border-radius: 14px;
    color: var(--primary);
    background: #ffffff;
    box-shadow: 0 8px 20px rgba(13, 95, 113, 0.08);
    font-size: 1.65rem;
}

@media (max-width: 1199.98px) {
    :root {
        --header-height: 90px;
    }

    .brand img {
        width: min(330px, 30vw);
    }

    .primary-nav,
    .primary-nav__links {
        gap: 1.45rem;
    }

    .primary-nav__link {
        font-size: 0.94rem;
    }

    .nav-contact {
        min-height: 46px;
        padding: 0.65rem 1.1rem;
        font-size: 0.92rem;
    }
}

@media (max-width: 991.98px) {
    :root {
        --header-height: 78px;
    }

    .header-shell {
        width: min(calc(100% - 32px), var(--header-shell));
    }

    .brand img {
        width: min(270px, 62vw);
    }

    .nav-toggle {
        display: grid;
        place-items: center;
        flex: 0 0 auto;
    }

    .primary-nav {
        position: absolute;
        top: calc(100% + 1px);
        right: 0;
        left: 0;
        display: none;
        gap: 0.75rem;
        align-items: stretch;
        padding: 1rem 1.25rem 1.25rem;
        border-top: 1px solid var(--border);
        background: rgba(255, 255, 255, 0.99);
        box-shadow: 0 20px 38px rgba(13, 95, 113, 0.14);
    }

    .primary-nav.is-open {
        display: grid;
    }

    .primary-nav__links {
        display: grid;
        gap: 0;
    }

    .primary-nav__link {
        min-height: 48px;
        padding: 0.7rem 0.25rem;
        border-bottom: 1px solid rgba(13, 95, 113, 0.1);
        font-size: 1rem;
    }

    .primary-nav__link::after {
        display: none;
    }

    .nav-contact {
        width: 100%;
        min-height: 48px;
        margin-top: 0.25rem;
    }
}

/* Landing page styling for the smart maintenance page */
body {
    background: linear-gradient(180deg, #f7fbfb 0%, #fcfdfd 100%);
}

.navbar {
    padding: 0.9rem 0;
    background: rgba(255, 255, 255, 0.94) !important;
    border-bottom: 1px solid rgba(13, 95, 113, 0.08);
}

.navbar-brand img {
    height: 42px;
    width: auto;
}

.nav-link {
    color: #4f5d66 !important;
    font-weight: 700;
}

.nav-link:hover,
.nav-link:focus-visible {
    color: var(--primary) !important;
}

.btn-green {
    color: #ffffff;
    border: 0;
    padding: 1rem 1.6rem;
    font-size: 1.08rem;
    font-weight: 500;
    line-height: 1.4;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: 0 12px 24px rgba(13, 95, 113, 0.16);
}

.btn-green:hover,
.btn-green:focus-visible {
    color: #ffffff;
    transform: translateY(-2px);
}

.btn-outline-primary {
    color: var(--primary);
    border-color: rgba(13, 95, 113, 0.25);
    padding: 1rem 1.6rem;
    font-size: 1.08rem;
    font-weight: 500;
    line-height: 1.4;
    background: rgba(255, 255, 255, 0.92);
}

.masthead {
    padding: 8.5rem 0 6rem;
}

.masthead .display-3 {
    font-size: clamp(2.5rem, 4vw, 4rem);
    letter-spacing: -0.04em;
}

.text-green {
    color: var(--secondary);
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.ai-reality {
    padding: 5.5rem 0;
    background: #ffffff;
}

.ai-reality__inner {
    max-width: 1180px;
    margin: 0 auto;
}

.ai-reality__heading {
    display: flex;
    flex-wrap: wrap;
    gap: 2rem;
    align-items: end;
    justify-content: space-between;
    margin-bottom: 2.75rem;
}

.ai-reality__eyebrow,
.ai-section-kicker {
    display: inline-block;
    margin-bottom: 0.7rem;
    color: var(--secondary);
    font-size: 0.78rem;
    font-weight: 900;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.ai-reality__heading p {
    max-width: 620px;
    margin-bottom: 0;
    color: var(--muted);
    font-size: 1.08rem;
}

.ai-reality-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.25rem;
}

.ai-reality-card {
    position: relative;
    min-height: 100%;
    padding: 2rem;
    border: 1px solid rgba(13, 95, 113, 0.1);
    border-radius: 28px;
    background: #ffffff;
    box-shadow: 0 10px 24px rgba(13, 95, 113, 0.05);
}

.ai-reality-card__number {
    position: absolute;
    top: 1.25rem;
    right: 1.25rem;
    color: rgba(13, 95, 113, 0.14);
    font-size: 2rem;
    font-weight: 900;
}

.ai-reality-card__icon {
    display: grid;
    place-items: center;
    width: 58px;
    height: 58px;
    margin-bottom: 1.2rem;
    border-radius: 18px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    font-size: 1.4rem;
}

.ai-reality-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.32rem;
}

.ai-reality-card p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 1.02rem;
}

.icon-box {
    display: grid;
    place-items: center;
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
    border-radius: 50%;
    background: var(--surface-soft);
    font-size: 1.5rem;
    transition: transform 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.feature-card {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(13, 95, 113, 0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease, background 0.25s ease;
    cursor: pointer;
}

.feature-card::after {
    content: "";
    position: absolute;
    right: -0.8rem;
    bottom: -0.8rem;
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(32, 148, 143, 0.16), transparent 70%);
    transform: scale(0.8);
    opacity: 0;
    transition: opacity 0.25s ease, transform 0.25s ease;
}

.feature-card:hover,
.feature-card:focus-visible {
    transform: translateY(-6px);
    border-color: rgba(32, 148, 143, 0.28);
    background: linear-gradient(180deg, #ffffff 0%, #f7fcfc 100%);
    box-shadow: 0 18px 34px rgba(13, 95, 113, 0.12);
}

.feature-card:hover::after,
.feature-card:focus-visible::after {
    opacity: 1;
    transform: scale(1);
}

.feature-card:hover .icon-box,
.feature-card:focus-visible .icon-box {
    transform: translateY(-3px) scale(1.04);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #ffffff;
}

.feature-card:hover .icon-box i,
.feature-card:focus-visible .icon-box i {
    color: #ffffff;
}

.contact-icon-box {
    margin-inline: auto;
    margin-bottom: 1rem;
    width: 74px;
    height: 74px;
}

.contact-icon {
    font-size: 1.8rem;
}

.ai-controlled {
    padding: 5.5rem 0;
}

.ai-controlled__layout {
    display: grid;
    gap: 2rem;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    align-items: start;
}

.ai-controlled__summary {
    padding: 1rem 0;
}

.ai-controlled__quote {
    margin-top: 1.5rem;
    padding: 1rem 1.2rem;
    border-left: 4px solid var(--accent);
    border-radius: 0 12px 12px 0;
    color: var(--navy);
    background: rgba(242, 173, 61, 0.12);
    font-weight: 800;
}

.ai-controlled-list {
    display: grid;
    gap: 1rem;
}

.ai-controlled-item {
    display: grid;
    gap: 1rem;
    grid-template-columns: auto 1fr;
    padding: 1.5rem;
    border: 1px solid rgba(13, 95, 113, 0.1);
    border-radius: 24px;
    background: #ffffff;
    box-shadow: 0 10px 24px rgba(13, 95, 113, 0.05);
}

.ai-controlled-item__mark {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border-radius: 16px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    font-size: 1.3rem;
}

.ai-controlled-item__kicker {
    display: inline-block;
    margin-bottom: 0.45rem;
    color: var(--secondary);
    font-size: 0.74rem;
    font-weight: 900;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.ai-controlled-item h3 {
    margin-bottom: 0.55rem;
    font-size: 1.3rem;
}

.ai-controlled-item p,
.ai-controlled-item ul {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 1.02rem;
}

.ai-controlled-item ul {
    padding-left: 1.1rem;
}

.ai-faq {
    padding: 5.5rem 0 6rem;
}

.ai-faq__layout {
    display: grid;
    gap: 2rem;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    align-items: start;
}

.ai-faq__intro p {
    color: var(--muted);
    font-size: 1.14rem;
}

.accordion-item {
    margin-bottom: 0.85rem;
    border: 1px solid rgba(13, 95, 113, 0.12);
    border-radius: 18px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 8px 20px rgba(13, 95, 113, 0.04);
}

.accordion-button {
    color: var(--navy);
    font-size: 1.08rem;
    font-weight: 700;
}

.accordion-button:not(.collapsed) {
    color: var(--primary);
    background: rgba(13, 95, 113, 0.04);
}

.accordion-body {
    color: var(--muted);
    font-size: 1.02rem;
    line-height: 1.8;
}

.contact-section {
    padding: 5.5rem 0 6rem;
    background: linear-gradient(180deg, #f7fbfb 0%, #ffffff 100%);
}

.contact-title {
    color: var(--navy);
    font-size: clamp(2.15rem, 3.4vw, 2.8rem);
}

.contact-text {
    color: var(--muted);
    font-size: 1.08rem;
}

.contact-item-title {
    margin-top: 0.6rem;
    margin-bottom: 0.25rem;
    color: var(--navy);
    font-size: 1.12rem;
    font-weight: 800;
}

.contact-item-text {
    color: var(--muted);
    font-size: 1.02rem;
}

@media (max-width: 991.98px) {
    .masthead {
        padding-top: 7rem;
    }

    .ai-reality-grid,
    .ai-controlled__layout,
    .ai-faq__layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767.98px) {
    .masthead {
        padding: 5.75rem 0 3.5rem;
    }

    .masthead .display-3 {
        font-size: clamp(2.15rem, 7vw, 2.8rem);
    }

    .masthead .lead {
        font-size: 1rem;
    }

    .masthead .d-flex.flex-column.flex-lg-row {
        align-items: stretch;
    }

    .masthead .btn {
        width: 100%;
        justify-content: center;
    }

    .ai-reality-grid {
        grid-template-columns: 1fr;
    }

    .ai-controlled-item {
        grid-template-columns: 1fr;
    }

    .ai-reality__heading {
        gap: 1rem;
        margin-bottom: 1.5rem;
    }

    .ai-reality-card,
    .ai-controlled-item {
        padding: 1.4rem;
    }
}

@media (max-width: 575.98px) {
    :root {
        --header-height: 70px;
    }

    .header-shell {
        width: min(calc(100% - 24px), var(--header-shell));
    }

    .brand img {
        width: min(220px, 66vw);
    }

    .nav-toggle {
        width: 44px;
        height: 44px;
        border-radius: 12px;
        font-size: 1.5rem;
    }

    .masthead {
        padding: 5.25rem 0 3rem;
    }

    .masthead .display-3 {
        font-size: clamp(1.95rem, 8vw, 2.35rem);
    }

    .ai-reality__heading p,
    .ai-reality-card p,
    .ai-controlled-item p,
    .ai-faq__intro p,
    .contact-text {
        font-size: 0.98rem;
    }
}

/* ---------------------------------------------------------
   Hero 右側圓形主視覺
   僅調整首頁右側圖片呈現，其餘區塊維持原樣
   --------------------------------------------------------- */
.hero-maintenance-visual {
    position: relative;
    width: min(100%, 650px);
    min-height: 560px;
    margin-left: auto;
    isolation: isolate;
}

.hero-maintenance-visual::before {
    content: "";
    position: absolute;
    z-index: -2;
    top: 50%;
    left: 50%;
    width: 76%;
    aspect-ratio: 1;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(32, 148, 143, 0.11), transparent 70%);
    transform: translate(-50%, -50%);
}

.hero-maintenance-photo {
    position: absolute;
    z-index: 2;
    top: 50%;
    left: 50%;
    width: min(72%, 455px);
    aspect-ratio: 1;
    overflow: hidden;
    border: 10px solid rgba(255, 255, 255, 0.92);
    border-radius: 50%;
    background: #ffffff;
    box-shadow:
        0 24px 55px rgba(13, 95, 113, 0.17),
        0 0 0 1px rgba(13, 95, 113, 0.08);
    transform: translate(-50%, -50%);
}

.hero-maintenance-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.hero-maintenance-circle,
.hero-maintenance-dot,
.hero-maintenance-line {
    position: absolute;
    z-index: 1;
    pointer-events: none;
}

.hero-maintenance-circle {
    border-radius: 50%;
}

.hero-maintenance-circle--solid {
    top: 6%;
    left: 2%;
    width: 142px;
    aspect-ratio: 1;
    background: linear-gradient(145deg, var(--primary), var(--secondary));
    box-shadow: 0 18px 38px rgba(13, 95, 113, 0.16);
}

.hero-maintenance-circle--soft {
    right: 4%;
    bottom: 10%;
    width: 132px;
    aspect-ratio: 1;
    background: linear-gradient(145deg, rgba(32, 148, 143, 0.16), rgba(32, 148, 143, 0.34));
}

.hero-maintenance-dot {
    border-radius: 50%;
    background: rgba(32, 148, 143, 0.52);
}

.hero-maintenance-dot--one {
    top: 18%;
    right: 15%;
    width: 17px;
    height: 17px;
}

.hero-maintenance-dot--two {
    right: 1%;
    bottom: 31%;
    width: 12px;
    height: 12px;
    background: rgba(13, 95, 113, 0.42);
}

.hero-maintenance-dot--three {
    left: 13%;
    bottom: 9%;
    width: 13px;
    height: 13px;
    background: rgba(32, 148, 143, 0.35);
}

.hero-maintenance-line {
    left: 7%;
    bottom: 7%;
    width: 185px;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--primary), rgba(32, 148, 143, 0.1));
}

@media (max-width: 1199.98px) {
    .hero-maintenance-visual {
        min-height: 520px;
    }

    .hero-maintenance-photo {
        width: min(72%, 410px);
    }

    .hero-maintenance-circle--solid {
        width: 120px;
    }

    .hero-maintenance-circle--soft {
        width: 116px;
    }
}

@media (max-width: 991.98px) {
    .hero-maintenance-visual {
        width: min(100%, 680px);
        min-height: 580px;
        margin: 2rem auto 0;
    }

    .hero-maintenance-photo {
        width: min(70%, 440px);
    }
}

@media (max-width: 767.98px) {
    .hero-maintenance-visual {
        min-height: 480px;
    }

    .hero-maintenance-photo {
        width: min(72%, 340px);
        border-width: 7px;
    }

    .hero-maintenance-circle--solid {
        top: 8%;
        left: 3%;
        width: 102px;
    }

    .hero-maintenance-circle--soft {
        right: 3%;
        bottom: 12%;
        width: 98px;
    }

    .hero-maintenance-line {
        left: 8%;
        width: 135px;
    }
}

@media (max-width: 575.98px) {
    .hero-maintenance-visual {
        min-height: 400px;
        margin-top: 1.25rem;
    }

    .hero-maintenance-photo {
        width: min(74%, 285px);
        border-width: 6px;
    }

    .hero-maintenance-circle--solid {
        top: 8%;
        width: 82px;
    }

    .hero-maintenance-circle--soft {
        right: 1%;
        bottom: 13%;
        width: 78px;
    }

    .hero-maintenance-dot--one {
        top: 19%;
        right: 13%;
        width: 12px;
        height: 12px;
    }

    .hero-maintenance-dot--two {
        right: 2%;
        width: 9px;
        height: 9px;
    }

    .hero-maintenance-dot--three {
        left: 12%;
        width: 10px;
        height: 10px;
    }

    .hero-maintenance-line {
        left: 7%;
        bottom: 6%;
        width: 105px;
    }
}

@media (max-width: 389.98px) {
    .hero-maintenance-visual {
        min-height: 350px;
    }

    .hero-maintenance-photo {
        width: min(76%, 250px);
    }

    .hero-maintenance-circle--solid {
        width: 68px;
    }

    .hero-maintenance-circle--soft {
        width: 66px;
    }
}

.ai-faq .accordion-item:first-of-type,
.ai-faq .accordion-item:last-of-type {
    border-radius: 16px !important;
    overflow: hidden;
}

/* ---------------------------------------------------------
   手機版跑版修正
   --------------------------------------------------------- */
html,
body {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

#mainNav .container,
.masthead .container,
.masthead .row,
.masthead [class*="col-"] {
    min-width: 0;
}

.masthead .display-3 span,
.masthead .display-3 .text-nowrap {
    white-space: normal !important;
    overflow-wrap: anywhere;
}

@media (max-width: 767.98px) {
    #mainNav {
        padding: 0.55rem 0;
    }

    #mainNav .container {
        display: flex;
        flex-wrap: nowrap;
        align-items: center;
        justify-content: space-between;
        gap: 0.5rem;
        padding-right: 0.85rem !important;
        padding-left: 0.85rem !important;
    }

    .navbar-brand {
        flex: 1 1 auto;
        min-width: 0;
        margin-right: 0;
        overflow: hidden;
    }

    .navbar-brand img {
        display: block;
        width: auto;
        max-width: min(205px, calc(100vw - 88px));
        height: auto;
        max-height: 38px;
        object-fit: contain;
        object-position: left center;
    }

    .navbar-toggler {
        flex: 0 0 auto;
        width: 42px;
        height: 42px;
        margin-left: auto;
        padding: 0;
        border: 1px solid rgba(13, 95, 113, 0.22);
        border-radius: 12px;
        color: var(--primary);
        background: #ffffff;
        box-shadow: 0 7px 18px rgba(13, 95, 113, 0.08);
    }

    .navbar-toggler .bi-list {
        display: block;
        font-size: 1.45rem;
        line-height: 1;
    }

    #navbarResponsive {
        position: absolute;
        top: 100%;
        right: 0;
        left: 0;
        z-index: 1000;
        max-height: calc(100vh - 70px);
        padding: 0.7rem 1rem 1rem;
        overflow-y: auto;
        border-top: 1px solid rgba(13, 95, 113, 0.08);
        background: rgba(255, 255, 255, 0.99);
        box-shadow: 0 14px 28px rgba(13, 95, 113, 0.12);
    }

    #navbarResponsive .navbar-nav {
        margin: 0 !important;
    }

    #navbarResponsive .nav-link {
        display: block;
        margin-right: 0 !important;
        padding: 0.72rem 0.25rem;
        border-bottom: 1px solid rgba(13, 95, 113, 0.08);
        font-size: 0.98rem;
    }

    #navbarResponsive>.btn {
        display: flex;
        width: 100%;
        justify-content: center;
        margin-top: 0.75rem;
        margin-bottom: 0 !important;
    }

    .masthead {
        padding: 5.25rem 0 3rem;
    }

    .masthead .container {
        padding-right: 1rem !important;
        padding-left: 1rem !important;
    }

    .masthead .row {
        --bs-gutter-x: 0;
        margin-right: 0;
        margin-left: 0;
    }

    .masthead [class*="col-"] {
        width: 100%;
        max-width: 100%;
        padding-right: 0;
        padding-left: 0;
    }

    .masthead .display-3 {
        max-width: 100%;
        margin-bottom: 1rem !important;
        font-size: clamp(1.9rem, 8.7vw, 2.55rem);
        line-height: 1.22 !important;
        letter-spacing: -0.035em;
        word-break: normal;
        overflow-wrap: anywhere;
    }

    .masthead .display-3 strong {
        margin-top: 0.15rem;
    }

    .masthead .lead {
        max-width: 100%;
        margin-bottom: 1.75rem !important;
        font-size: 0.98rem;
        line-height: 1.8;
        overflow-wrap: anywhere;
    }

    .masthead .d-flex.flex-column.flex-lg-row {
        width: 100%;
        gap: 0.75rem;
        align-items: stretch !important;
    }

    .masthead .btn {
        display: flex;
        width: 100%;
        min-height: 46px;
        align-items: center;
        justify-content: center;
        margin: 0 !important;
        text-align: center;
    }

    .hero-maintenance-visual {
        width: 100%;
        max-width: 430px;
        min-height: 390px;
        margin: 1.5rem auto 0;
    }

    .hero-maintenance-photo {
        width: min(74vw, 300px);
        border-width: 6px;
    }

    .hero-maintenance-circle--solid {
        top: 9%;
        left: 4%;
        width: 76px;
    }

    .hero-maintenance-circle--soft {
        right: 3%;
        bottom: 13%;
        width: 74px;
    }

    .hero-maintenance-dot--one {
        top: 18%;
        right: 13%;
        width: 11px;
        height: 11px;
    }

    .hero-maintenance-dot--two {
        right: 3%;
        bottom: 31%;
        width: 8px;
        height: 8px;
    }

    .hero-maintenance-dot--three {
        left: 13%;
        bottom: 10%;
        width: 9px;
        height: 9px;
    }

    .hero-maintenance-line {
        left: 8%;
        bottom: 7%;
        width: 94px;
    }
}

@media (max-width: 389.98px) {
    #mainNav .container {
        gap: 0.35rem;
        padding-right: 0.6rem !important;
        padding-left: 0.6rem !important;
    }

    .navbar-brand img {
        max-width: calc(100vw - 76px);
        max-height: 31px;
    }

    .navbar-toggler {
        width: 38px;
        height: 38px;
        border-radius: 10px;
    }

    .navbar-toggler .bi-list {
        font-size: 1.3rem;
    }

    .masthead {
        padding-top: 4.7rem;
    }

    .masthead .container {
        padding-right: 0.8rem !important;
        padding-left: 0.8rem !important;
    }

    .masthead .display-3 {
        font-size: clamp(1.65rem, 9.2vw, 2rem);
        line-height: 1.25 !important;
    }

    .masthead .lead {
        font-size: 0.92rem;
        line-height: 1.75;
    }

    .hero-maintenance-visual {
        min-height: 330px;
    }

    .hero-maintenance-photo {
        width: min(76vw, 245px);
    }

    .hero-maintenance-circle--solid {
        width: 62px;
    }

    .hero-maintenance-circle--soft {
        width: 60px;
    }
}