/* ============ 設計變數（淡色系） ============ */
:root {
    /* 主要藍 */
    --brand-800: #33459B;
    --brand-700: #3D5BC7;
    --brand-600: #4A6FE0;
    --brand-500: #5B8DFF;
    --brand-400: #7FA8FF;
    --brand-300: #A8C4FF;
    --brand-100: #E8EFFE;
    --brand-50: #F4F8FF;
    /* 點綴：桃紅 / 紫 */
    --accent-pink: #F04E98;
    --accent-pink-soft: #FDEAF3;
    --accent-purple: #9B59D0;
    --accent-purple-soft: #F3EAFB;
    /* 文字與背景 */
    --ink: #2A3352;
    --ink-soft: #4A5678;
    --muted: #7A87A8;
    --line: #E4EAF7;
    --bg: #F5F8FE;
    --bg-2: #EEF3FE;
    --white: #FFFFFF;
    --radius: 18px;
    --shadow-sm: 0 1px 2px rgba(42,51,82,.05);
    --shadow-md: 0 18px 40px -26px rgba(61,91,199,.30);
    --shadow-lg: 0 34px 70px -38px rgba(61,91,199,.38);
    --wrap: min(1160px,92vw);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%
}

body {
    margin: 0;
    font-family: "Noto Sans TC","PingFang TC","Microsoft JhengHei","Helvetica Neue",Arial,sans-serif;
    color: var(--ink);
    background: var(--white);
    line-height: 1.75;
    font-size: 16px;
    letter-spacing: .01em;
}

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

a {
    color: inherit
}

h1, h2, h3, h4 {
    margin: 0;
    line-height: 1.25;
    letter-spacing: -.01em;
    font-weight: 800
}

p {
    margin: 0
}

ul {
    margin: 0;
    padding: 0;
    list-style: none
}

.wrap {
    width: var(--wrap);
    margin-inline: auto
}

section {
    scroll-margin-top: 96px
}

.sec {
    padding: clamp(64px,8vw,116px) 0
}

.sec--tint {
    background: var(--bg)
}

/* ============ 通用元件 ============ */
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: .14em;
    color: var(--brand-600);
    text-transform: uppercase;
}

    .eyebrow::before {
        content: "";
        width: 22px;
        height: 2px;
        border-radius: 2px;
        background: var(--accent-pink)
    }

.eyebrow--light {
    color: var(--brand-600)
}

.sec-head {
    max-width: 760px;
    margin-bottom: clamp(32px,4vw,56px)
}

    .sec-head h2 {
        font-size: clamp(26px,3.4vw,42px);
        margin: 14px 0 16px
    }

    .sec-head p {
        color: var(--muted);
        font-size: clamp(15px,1.4vw,17px)
    }

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

    .sec-head--center .eyebrow {
        justify-content: center
    }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    padding: 14px 28px;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 15px;
    font-weight: 800;
    text-decoration: none;
    cursor: pointer;
    transition: transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s,background .22s,color .22s,border-color .22s;
    font-family: inherit;
    white-space: nowrap;
}

    .btn svg {
        width: 18px;
        height: 18px;
        fill: none;
        stroke: currentColor;
        stroke-width: 2;
        stroke-linecap: round;
        stroke-linejoin: round
    }

.btn-primary {
    background: linear-gradient(135deg,var(--brand-500),var(--brand-600));
    color: #fff;
    box-shadow: 0 14px 30px -14px rgba(91,141,255,.75);
}

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 20px 38px -14px rgba(91,141,255,.85)
    }

.btn-dark {
    background: var(--brand-700);
    color: #fff;
    box-shadow: 0 14px 30px -16px rgba(61,91,199,.7)
}

    .btn-dark:hover {
        transform: translateY(-2px);
        background: var(--brand-600)
    }

.btn-ghost {
    border-color: var(--line);
    background: #fff;
    color: var(--ink-soft);
    box-shadow: var(--shadow-sm)
}

    .btn-ghost:hover {
        border-color: var(--brand-300);
        color: var(--brand-700);
        background: var(--brand-50)
    }

.btn-outline {
    border-color: var(--line);
    background: #fff;
    color: var(--ink)
}

    .btn-outline:hover {
        border-color: var(--brand-400);
        color: var(--brand-700)
    }

/* ============ Header ============ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 60;
    padding: 12px 0;
    transition: background .3s,box-shadow .3s,padding .3s,backdrop-filter .3s;
}

    .site-header.scrolled {
        background: rgba(255,255,255,.88);
        backdrop-filter: blur(14px);
        -webkit-backdrop-filter: blur(14px);
        box-shadow: 0 1px 0 var(--line),0 16px 40px -36px rgba(61,91,199,.5);
        padding: 8px 0;
    }

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px
}

.brand {
    display: flex;
    align-items: center;
    gap: 11px;
    text-decoration: none
}

.brand-mark {
    width: 40px;
    height: 40px;
    flex: 0 0 40px;
    border-radius: 12px;
    background: linear-gradient(135deg,var(--brand-500),var(--brand-700));
    color: #fff;
    font-weight: 900;
    font-size: 19px;
    display: grid;
    place-items: center;
    letter-spacing: -.04em;
    box-shadow: 0 10px 22px -12px rgba(91,141,255,.85);
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15
}

    .brand-text strong {
        font-size: 18px;
        letter-spacing: .02em;
        color: var(--ink)
    }

    .brand-text small {
        font-size: 11px;
        letter-spacing: .16em;
        color: var(--muted)
    }

.nav {
    display: flex;
    align-items: center;
    gap: 6px
}

    .nav a {
        font-size: 14.5px;
        font-weight: 600;
        text-decoration: none;
        padding: 9px 13px;
        border-radius: 10px;
        color: var(--ink-soft);
        transition: color .2s,background .2s;
    }

        .nav a:hover {
            color: var(--brand-700);
            background: var(--brand-50)
        }

        .nav a.nav-cta {
            padding: 11px 22px;
            font-size: 14px;
            margin-left: 8px;
            color: #fff
        }

            .nav a.nav-cta:hover {
                background: linear-gradient(135deg,var(--brand-500),var(--brand-600));
                color: #fff
            }

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 12px;
    background: var(--brand-50);
    cursor: pointer;
    padding: 0 11px;
}

    .nav-toggle span {
        display: block;
        height: 2px;
        border-radius: 2px;
        background: var(--brand-700);
        transition: .28s
    }

    .nav-toggle[aria-expanded="true"] span:nth-child(1) {
        transform: translateY(7px) rotate(45deg)
    }

    .nav-toggle[aria-expanded="true"] span:nth-child(2) {
        opacity: 0
    }

    .nav-toggle[aria-expanded="true"] span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg)
    }

/* ============ Hero（淡色漸層） ============ */
.hero {
    position: relative;
    overflow: hidden;
    padding: clamp(130px,15vw,180px) 0 clamp(72px,8vw,110px);
    background: radial-gradient(880px 520px at 88% -10%,rgba(168,196,255,.55),transparent 62%), radial-gradient(760px 520px at 2% 108%,rgba(240,78,152,.10),transparent 62%), linear-gradient(165deg,#EDF3FF 0%,#F4F1FE 48%,#FFFFFF 100%);
}

    .hero::after {
        content: "";
        position: absolute;
        inset: 0;
        pointer-events: none;
        opacity: .55;
        background-image: linear-gradient(rgba(91,141,255,.07) 1px,transparent 1px), linear-gradient(90deg,rgba(91,141,255,.07) 1px,transparent 1px);
        background-size: 64px 64px;
        mask-image: radial-gradient(70% 60% at 60% 40%,#000,transparent);
        -webkit-mask-image: radial-gradient(70% 60% at 60% 40%,#000,transparent);
    }

.hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: clamp(36px,5vw,72px);
    align-items: center;
}

.hero h1 {
    font-size: clamp(32px,4.6vw,58px);
    letter-spacing: -.025em;
    line-height: 1.16;
    margin: 20px 0 22px;
    color: var(--ink);
}

    .hero h1 em {
        font-style: normal;
        background: linear-gradient(120deg,var(--brand-500),var(--accent-pink));
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }

.hero-lead {
    font-size: clamp(15px,1.5vw,17.5px);
    color: var(--ink-soft);
    max-width: 56ch;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin: 34px 0 22px
}

.hero-note {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 20px;
    font-size: 13.5px;
    color: var(--muted);
}

    .hero-note span {
        display: inline-flex;
        align-items: center;
        gap: 7px
    }

        .hero-note span::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent-pink);
            box-shadow: 0 0 0 4px rgba(240,78,152,.14);
        }

/* Hero 視覺：模擬郵件介面（淡色玻璃） */
.hero-visual {
    position: relative;
    perspective: 1400px
}

.mock {
    background: rgba(255,255,255,.82);
    border: 1px solid rgba(91,141,255,.18);
    border-radius: 22px;
    padding: 14px;
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    box-shadow: var(--shadow-lg);
    transform: rotateY(-7deg) rotateX(3deg);
}

.mock-top {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 4px 6px 12px
}

.mdot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #D7E1F5
}

    .mdot:first-child {
        background: var(--accent-pink);
        opacity: .75
    }

.mock-search {
    flex: 1;
    margin-left: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--brand-50);
    border: 1px solid var(--line);
    border-radius: 9px;
    padding: 7px 12px;
    font-size: 12px;
    color: var(--muted);
}

    .mock-search svg {
        width: 13px;
        height: 13px;
        fill: none;
        stroke: currentColor;
        stroke-width: 2;
        stroke-linecap: round
    }

.mock-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr;
    gap: 10px;
    background: var(--bg-2);
    border-radius: 15px;
    padding: 12px;
    min-height: 270px;
}

.mock-list {
    display: flex;
    flex-direction: column;
    gap: 8px
}

.mli {
    display: flex;
    gap: 9px;
    align-items: flex-start;
    padding: 9px;
    border-radius: 10px;
    background: #fff;
    box-shadow: var(--shadow-sm);
}

    .mli.active {
        background: var(--brand-100);
        box-shadow: inset 0 0 0 1px rgba(91,141,255,.35)
    }

.mavatar {
    width: 22px;
    height: 22px;
    flex: 0 0 22px;
    border-radius: 50%;
    background: #DCE5F8
}

.mli.active .mavatar {
    background: linear-gradient(135deg,var(--brand-400),var(--brand-600))
}

.mlines {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding-top: 2px
}

    .mlines i, .mock-read i {
        display: block;
        height: 6px;
        border-radius: 4px;
        background: #DCE5F8
    }

        .mlines i:last-child {
            background: #EAF0FB
        }

.mock-read {
    background: #fff;
    border-radius: 12px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 9px;
    box-shadow: var(--shadow-sm);
}

    .mock-read i:first-child {
        height: 10px;
        background: #C9D7F2
    }

    .mock-read i:nth-child(2) {
        background: #E2E9F8
    }

    .mock-read i:nth-child(5),
    .mock-read i:nth-child(6) {
        background: #EAF0FB
    }

.mock-attach {
    display: flex;
    gap: 7px;
    margin: 4px 0 2px
}

    .mock-attach span {
        height: 26px;
        flex: 1;
        border-radius: 7px;
        background: var(--accent-pink-soft);
        border: 1px dashed rgba(240,78,152,.35);
    }

.float-card {
    position: absolute;
    z-index: 3;
    display: flex;
    align-items: center;
    gap: 11px;
    background: #fff;
    color: var(--ink);
    border-radius: 14px;
    border: 1px solid var(--line);
    padding: 12px 16px;
    box-shadow: 0 26px 50px -26px rgba(61,91,199,.4);
    animation: floaty 6s ease-in-out infinite;
}

    .float-card strong {
        display: block;
        font-size: 13.5px;
        line-height: 1.35
    }

    .float-card span {
        display: block;
        font-size: 11.5px;
        color: var(--muted);
        letter-spacing: .02em
    }

.fc-ico {
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg,var(--brand-100),var(--accent-purple-soft));
    color: var(--brand-600);
}

    .fc-ico svg {
        width: 18px;
        height: 18px;
        fill: none;
        stroke: currentColor;
        stroke-width: 1.9;
        stroke-linecap: round;
        stroke-linejoin: round
    }

.fc-a {
    top: -16px;
    left: -22px
}

.fc-b {
    bottom: -18px;
    right: -14px;
    animation-delay: -3s
}

@keyframes floaty {
    0%,100% {
        transform: translateY(0)
    }

    50% {
        transform: translateY(-9px)
    }
}

/* ============ 信任列 ============ */
.trust {
    border-top: 1px solid rgba(91,141,255,.18);
    margin-top: clamp(56px,7vw,88px);
    padding-top: 28px;
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 22px;
    position: relative;
    z-index: 2;
}

.trust-item strong {
    display: block;
    font-size: 15px;
    color: var(--ink);
    margin-bottom: 3px
}

.trust-item span {
    font-size: 13px;
    color: var(--muted)
}

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

.grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(248px,1fr));
    gap: 18px
}

.card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: clamp(24px,2.4vw,32px);
    box-shadow: var(--shadow-sm);
    transition: transform .3s cubic-bezier(.2,.7,.3,1),box-shadow .3s,border-color .3s;
}

    .card:hover {
        transform: translateY(-5px);
        border-color: var(--brand-300);
        box-shadow: var(--shadow-md)
    }

    .card h3 {
        font-size: 19px;
        margin-bottom: 14px;
        display: flex;
        align-items: center;
        gap: 10px
    }

.card-num {
    width: 30px;
    height: 30px;
    flex: 0 0 30px;
    border-radius: 9px;
    display: grid;
    place-items: center;
    font-size: 13px;
    font-weight: 900;
    background: linear-gradient(135deg,var(--brand-500),var(--accent-pink));
    color: #fff;
}

.card p {
    color: var(--muted);
    font-size: 14.5px
}

/* 條列 */
.ticks {
    display: flex;
    flex-direction: column;
    gap: 13px
}

    .ticks li {
        position: relative;
        padding-left: 28px;
        font-size: 14.5px;
        color: var(--ink-soft)
    }

        .ticks li::before {
            content: "";
            position: absolute;
            left: 0;
            top: .52em;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--brand-100);
            box-shadow: inset 0 0 0 1.5px rgba(91,141,255,.55);
        }

        .ticks li::after {
            content: "";
            position: absolute;
            left: 5.5px;
            top: .86em;
            width: 5px;
            height: 9px;
            border-right: 2px solid var(--brand-600);
            border-bottom: 2px solid var(--brand-600);
            transform: rotate(40deg);
        }

    .ticks strong {
        color: var(--ink);
        font-weight: 800
    }

/* ============ 功能特色卡 ============ */
.f-card {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 15px;
    padding: 24px 22px;
    box-shadow: var(--shadow-sm);
    transition: transform .28s cubic-bezier(.2,.7,.3,1),box-shadow .28s,border-color .28s;
}

    .f-card:hover {
        transform: translateY(-4px);
        border-color: var(--brand-300);
        box-shadow: var(--shadow-md)
    }

.f-ico {
    width: 44px;
    height: 44px;
    border-radius: 13px;
    display: grid;
    place-items: center;
    margin-bottom: 15px;
    color: var(--brand-600);
    background: linear-gradient(135deg,var(--brand-100),var(--accent-purple-soft));
    transition: background .28s,color .28s;
}

.f-card:hover .f-ico {
    background: linear-gradient(135deg,var(--brand-500),var(--accent-pink));
    color: #fff
}

.f-ico svg {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round
}

.f-card h3 {
    font-size: 16.5px;
    margin-bottom: 8px
}

.f-card p {
    font-size: 14px;
    color: var(--muted);
    line-height: 1.7
}

/* ============ 優勢區（淡色） ============ */
.adv {
    position: relative;
    overflow: hidden;
    background: radial-gradient(760px 480px at 92% 0%,rgba(168,196,255,.42),transparent 62%), radial-gradient(680px 460px at 0% 100%,rgba(240,78,152,.09),transparent 62%), linear-gradient(160deg,#F2F6FF,#F7F2FE 60%,#FFFFFF);
}

.adv-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: .9fr 1.1fr;
    gap: clamp(36px,5vw,72px);
    align-items: start
}

.adv h2 {
    font-size: clamp(26px,3.4vw,40px);
    margin: 14px 0 18px;
    color: var(--ink)
}

.adv-lead {
    color: var(--ink-soft);
    font-size: 15.5px;
    max-width: 44ch
}

.adv-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px
}

.adv-item {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 15px;
    padding: 20px;
    box-shadow: var(--shadow-sm);
    transition: transform .28s,box-shadow .28s,border-color .28s;
}

    .adv-item:hover {
        transform: translateY(-3px);
        border-color: var(--brand-300);
        box-shadow: var(--shadow-md)
    }

    .adv-item h4 {
        font-size: 15.5px;
        margin-bottom: 6px;
        color: var(--ink)
    }

    .adv-item p {
        font-size: 13.5px;
        color: var(--muted);
        line-height: 1.7
    }

/* ============ 移轉流程 ============ */
.steps {
    display: grid;
    grid-template-columns: repeat(4,1fr);
    gap: 18px;
    counter-reset: step
}

.step {
    position: relative;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 26px 22px 24px;
    box-shadow: var(--shadow-sm);
}

    .step::before {
        counter-increment: step;
        content: "0" counter(step);
        font-size: 13px;
        font-weight: 900;
        letter-spacing: .1em;
        color: var(--brand-500);
    }

    .step h4 {
        font-size: 16.5px;
        margin: 10px 0 8px
    }

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

    .step::after {
        content: "";
        position: absolute;
        top: 50%;
        right: -14px;
        width: 10px;
        height: 10px;
        border-top: 2px solid var(--brand-300);
        border-right: 2px solid var(--brand-300);
        transform: translateY(-50%) rotate(45deg);
    }

    .step:last-child::after {
        display: none
    }

/* ============ FAQ ============ */
.faq {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 880px;
    margin-inline: auto
}

details {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 15px;
    padding: 0 24px;
    box-shadow: var(--shadow-sm);
    transition: border-color .25s,box-shadow .25s;
}

    details[open] {
        border-color: var(--brand-300);
        box-shadow: var(--shadow-md)
    }

summary {
    cursor: pointer;
    list-style: none;
    padding: 20px 34px 20px 0;
    position: relative;
    font-weight: 800;
    font-size: 16px;
}

    summary::-webkit-details-marker {
        display: none
    }

    summary::after {
        content: "";
        position: absolute;
        right: 6px;
        top: 50%;
        width: 9px;
        height: 9px;
        border-right: 2px solid var(--brand-500);
        border-bottom: 2px solid var(--brand-500);
        transform: translateY(-70%) rotate(45deg);
        transition: transform .28s;
    }

details[open] summary::after {
    transform: translateY(-25%) rotate(-135deg)
}

details p {
    padding: 0 0 22px;
    color: var(--muted);
    font-size: 14.5px;
    max-width: 72ch
}

/* ============ CTA / 表單（淡色卡片） ============ */
.cta {
    position: relative;
    overflow: hidden;
    background: radial-gradient(680px 420px at 86% 0%,rgba(168,196,255,.5),transparent 62%), radial-gradient(620px 420px at 4% 100%,rgba(240,78,152,.1),transparent 62%), linear-gradient(160deg,#EFF4FF,#F6F1FE 60%,#FFFFFF);
    border: 1px solid var(--line);
    border-radius: 28px;
    padding: clamp(36px,5vw,64px);
    box-shadow: var(--shadow-md);
}

.cta-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(32px,4vw,56px);
    align-items: start
}

.cta h2 {
    font-size: clamp(24px,3vw,36px);
    margin: 14px 0 16px;
    color: var(--ink)
}

.cta p.lead {
    color: var(--ink-soft);
    font-size: 15px;
    max-width: 46ch
}

.cta-info {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 14px
}

    .cta-info div {
        display: flex;
        gap: 12px;
        align-items: flex-start;
        font-size: 14.5px;
        color: var(--ink-soft)
    }

    .cta-info svg {
        width: 19px;
        height: 19px;
        flex: 0 0 19px;
        margin-top: 4px;
        fill: none;
        stroke: var(--brand-500);
        stroke-width: 1.9;
        stroke-linecap: round;
        stroke-linejoin: round
    }

.form {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 20px;
    padding: clamp(24px,3vw,34px);
    color: var(--ink);
    box-shadow: var(--shadow-lg);
}

    .form h3 {
        font-size: 19px;
        margin-bottom: 6px
    }

    .form .form-sub {
        font-size: 13.5px;
        color: var(--muted);
        margin-bottom: 22px
    }

.field {
    margin-bottom: 15px
}

    .field label {
        display: block;
        font-size: 13px;
        font-weight: 800;
        margin-bottom: 7px;
        letter-spacing: .02em
    }

        .field label i {
            color: var(--accent-pink);
            font-style: normal
        }

    .field input, .field select, .field textarea {
        width: 100%;
        padding: 12px 14px;
        border-radius: 11px;
        border: 1px solid var(--line);
        background: var(--brand-50);
        font-family: inherit;
        font-size: 14.5px;
        color: var(--ink);
        transition: border-color .2s,box-shadow .2s,background .2s;
    }

    .field textarea {
        resize: vertical;
        min-height: 96px
    }

        .field input:focus, .field select:focus, .field textarea:focus {
            outline: none;
            border-color: var(--brand-400);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(127,168,255,.18);
        }

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px
}

.form .btn {
    width: 100%;
    margin-top: 8px
}

.form-note {
    font-size: 12.5px;
    color: var(--muted);
    margin-top: 14px;
    text-align: center
}

.form-msg {
    display: none;
    margin-top: 14px;
    padding: 13px 16px;
    border-radius: 11px;
    background: rgba(91,141,255,.12);
    border: 1px solid rgba(91,141,255,.3);
    color: var(--brand-700);
    font-size: 14px;
    font-weight: 700;
    text-align: center;
}

    .form-msg.show {
        display: block
    }

/* ============ Footer（淡色） ============ */
.site-footer {
    background: linear-gradient(180deg,#F2F6FF,#EAF0FB);
    border-top: 1px solid var(--line);
    color: var(--ink-soft);
    padding: 64px 0 32px;
    font-size: 14px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 36px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(91,141,255,.16)
}

.site-footer h5 {
    color: var(--ink);
    font-size: 14px;
    font-weight: 800;
    margin: 0 0 16px;
    letter-spacing: .06em
}

.site-footer a {
    text-decoration: none;
    color: var(--ink-soft);
    display: block;
    padding: 5px 0;
    transition: color .2s
}

    .site-footer a:hover {
        color: var(--brand-700)
    }

.site-footer .brand-text strong {
    color: var(--ink)
}

.site-footer .brand-text small {
    color: var(--muted)
}

.footer-desc {
    margin-top: 18px;
    max-width: 34ch;
    line-height: 1.8;
    font-size: 13.5px;
    color: var(--muted)
}

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: space-between;
    padding-top: 26px;
    font-size: 13px;
    color: var(--muted);
}

/* ============ 進場動畫 ============ */
.reveal {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)
}

    .reveal.in {
        opacity: 1;
        transform: none
    }

@media (prefers-reduced-motion:reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none
    }

    .float-card {
        animation: none
    }

    html {
        scroll-behavior: auto
    }
}

/* ============ RWD ============ */
@media (max-width:1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 56px
    }

    .hero-visual {
        max-width: 560px
    }

    .mock {
        transform: none
    }

    .adv-grid {
        grid-template-columns: 1fr
    }

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

    .grid-3 {
        grid-template-columns: 1fr 1fr
    }

    .steps {
        grid-template-columns: 1fr 1fr
    }

    .step:nth-child(2)::after {
        display: none
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 28px
    }
}

@media (max-width:960px) {
    .nav-toggle {
        display: flex
    }

    .nav {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 2px;
        background: #fff;
        padding: 88px 6vw 26px;
        border-radius: 0 0 24px 24px;
        box-shadow: 0 30px 60px -30px rgba(61,91,199,.35);
        transform: translateY(-115%);
        transition: transform .34s cubic-bezier(.2,.7,.3,1);
        z-index: -1;
    }

        .nav.open {
            transform: none
        }

        .nav a {
            color: var(--ink);
            padding: 14px 6px;
            border-bottom: 1px solid var(--line);
            border-radius: 0;
            font-size: 15.5px
        }

            .nav a:hover {
                background: transparent;
                color: var(--brand-700)
            }

            .nav a.nav-cta {
                margin: 16px 0 0;
                border-bottom: 0;
                justify-content: center;
                color: #fff
            }

    .trust {
        grid-template-columns: 1fr 1fr
    }
}

@media (max-width:720px) {
    .grid-3, .adv-list, .steps, .form-row {
        grid-template-columns: 1fr
    }

    .step::after {
        display: none
    }

    .hero {
        padding-top: 120px
    }

    .fc-a {
        left: -8px;
        top: -14px
    }

    .fc-b {
        right: -6px
    }

    .footer-grid {
        grid-template-columns: 1fr
    }

    .cta {
        border-radius: 22px
    }
}