:root {
    --slate: #4a5870;
    --ink: #1c2430;
    --muted: #5d6773;
    --blue: #2f6fed;
    --blue-dark: #2457c8;
    --orange: #e4570e;
    --line: #e7e9ee;
    --soft: #f6f7f9;
    --card: #ffffff;
    --shadow: 0 10px 30px rgba(28, 36, 48, 0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: #fff;
    font-family: "PingFang TC", "Hiragino Sans CNS", "Noto Sans CJK TC", "Microsoft JhengHei", "Heiti TC", sans-serif;
    font-size: 16px;
    line-height: 1.7;
}
img, video { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
button, a { font-family: inherit; }
.skip {
    position: absolute;
    left: 12px;
    top: -40px;
    background: var(--blue);
    color: #fff;
    padding: 8px 12px;
    z-index: 20;
}
.skip:focus { top: 12px; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}
.wrap {
    width: min(1120px, calc(100% - 40px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    background: #fff;
    border-bottom: 1px solid var(--line);
}
.header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 84px;
    gap: 24px;
}
.logo img { width: 72px; height: 72px; object-fit: contain; }
.site-nav {
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-link, .drop-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: 0;
    background: transparent;
    color: #3a4454;
    font-size: 15px;
    text-decoration: none;
    border-radius: 999px;
    cursor: pointer;
}
.drop-btn:after {
    content: "";
    width: 6px;
    height: 6px;
    border-right: 1.5px solid currentColor;
    border-bottom: 1.5px solid currentColor;
    transform: translateY(-2px) rotate(45deg);
}
.nav-link:hover, .drop-btn:hover { color: var(--blue); }
.nav-link.is-active, .nav-drop.is-active > .drop-btn {
    background: var(--blue);
    color: #fff;
}
.nav-drop { position: relative; }
.drop-menu {
    display: none;
    position: absolute;
    top: calc(100% - 2px);
    left: 0;
    min-width: 180px;
    padding: 8px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 12px;
    box-shadow: var(--shadow);
}
.nav-drop:hover .drop-menu, .nav-drop:focus-within .drop-menu, .nav-drop.open .drop-menu { display: block; }
.drop-menu a {
    display: block;
    padding: 8px 12px;
    border-radius: 8px;
    text-decoration: none;
    color: #2d3644;
    white-space: nowrap;
}
.drop-menu a:hover { background: #f3f6ff; color: var(--blue); }
.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: #fff;
    padding: 10px;
}
.nav-toggle span {
    display: block;
    height: 2px;
    margin: 5px 0;
    background: #2d3644;
}

.hero { position: relative; background: #f4f6f8; }
.slides { position: relative; }
.slide { display: none; position: relative; }
.slide.is-on { display: block; }
.slide img { width: 100%; }
.hit {
    position: absolute;
    display: block;
    text-indent: -999px;
    overflow: hidden;
    border-radius: 999px;
}
.hit:focus { outline: none; }
.hit-know { left: 4.6%; bottom: 16%; width: 16%; height: 11%; }
.hit-contact { left: 21.4%; bottom: 16%; width: 11%; height: 11%; }
.hit-more { left: 4.8%; bottom: 12%; width: 22%; height: 13%; }
.hero-arrow, .dots { position: absolute; z-index: 2; }
.hero-arrow {
    top: 50%;
    transform: translateY(-50%);
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 50%;
    background: rgba(255,255,255,.86);
    color: #243041;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0,0,0,.12);
}
.hero-prev { left: 16px; }
.hero-next { right: 16px; }
.dots {
    left: 0;
    right: 0;
    bottom: 14px;
    display: flex;
    justify-content: center;
    gap: 8px;
}
.dots button {
    width: 9px;
    height: 9px;
    border: 0;
    border-radius: 50%;
    background: rgba(255,255,255,.7);
    box-shadow: 0 0 0 1px rgba(0,0,0,.15);
    cursor: pointer;
}
.dots button.is-on { background: var(--orange); }

.features { padding: 72px 0 40px; }
.feature {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 72px;
}
.feature-flip .feature-copy { order: -1; }
.feature-media img {
    width: 100%;
    border-radius: 14px;
    box-shadow: var(--shadow);
    background: #fff;
}
.feature h2 {
    margin: 0 0 12px;
    font-size: 26px;
    line-height: 1.45;
    font-weight: 700;
}
.feature p { margin: 0; color: var(--muted); font-size: 16px; }

.page-bar {
    background: var(--slate);
    color: #fff;
}
.page-bar .wrap {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}
.page-bar h1 { margin: 0; font-size: 22px; font-weight: 600; }
.crumb { color: #f0c7b4; font-size: 14px; }
.crumb a { color: #f0c7b4; text-decoration: none; }
.crumb a:hover { text-decoration: underline; }

.soft-intro { padding: 48px 0 28px; }
.soft-hero {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 36px;
    align-items: center;
}
.soft-monitor { width: 100%; }
.soft-intro h2 { margin: 0 0 16px; font-size: 36px; }
.tag-line { margin: 0 0 6px; color: #3c4654; font-size: 18px; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 22px; }
.btn-coral { background: #f07a78; color: #fff; }
.btn-coral:hover { background: #e46462; }
.btn-call { color: #e4570e; font-weight: 700; text-decoration: none; font-size: 20px; }
.btn-call:hover { text-decoration: underline; }
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0 22px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
}
.btn-blue { background: var(--blue); color: #fff; }
.btn-blue:hover { background: var(--blue-dark); }
.btn-line { border: 1px solid #cfd5df; color: #243041; background: #fff; }
.btn-line:hover { border-color: var(--blue); color: var(--blue); }
.soft-links { margin-top: 18px; color: var(--muted); }
.soft-links a { color: var(--blue); }

.banners { padding-bottom: 48px; }
.banners img { width: min(1120px, calc(100% - 40px)); margin: 0 auto 18px; border-radius: 8px; }

.stage { padding: 48px 0 72px; }
.stage video,
.stage .video-embed {
    width: min(980px, 100%);
    margin: 0 auto;
    background: #111;
    border-radius: 12px;
    box-shadow: var(--shadow);
}
.stage .video-embed {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}
.stage .video-embed iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.service-banner { padding: 36px 0 64px; }
.service-banner img { width: min(1120px, calc(100% - 40px)); margin: 0 auto; border-radius: 8px; }

.about { padding: 48px 0 80px; }
.about p { margin: 0 0 18px; color: #2d3642; font-size: 17px; }
.motto {
    margin-top: 28px;
    padding: 18px 22px;
    background: var(--soft);
    border-left: 4px solid var(--orange);
    font-weight: 700;
}

.price-hero img { width: 100%; margin: 0; }
.price-calc { background: #f3f4f6; padding: 40px 0 48px; }
.price-block { padding: 36px 0 72px; }
.price-calc h2, .price-block h2 { text-align: center; margin: 0 0 22px; font-size: 26px; }
.calc-grid, .rule-grid {
    display: grid;
    gap: 16px;
}
.calc-grid { grid-template-columns: repeat(3, 1fr); }
.rule-grid { grid-template-columns: 1.25fr .85fr; }
.card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow);
    padding: 18px 18px;
}
.card h3 { margin: 0 0 4px; font-size: 17px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; }
.ico {
    flex: 0 0 72px;
    width: 72px;
    height: 72px;
    display: grid;
    place-items: center;
}
.ico img { width: 72px; height: 72px; object-fit: contain; }
.panel { border-radius: 18px; padding: 16px 16px 18px; }
.panel h3 { margin: 4px 6px 12px; display: flex; align-items: center; gap: 8px; font-size: 18px; }
.panel h3 img { width: 34px; height: 34px; object-fit: contain; }
.panel-yes { background: #fff4ea; }
.panel-yes h3 { color: #ef7a2f; }
.panel-no { background: #eef4ff; }
.panel-no h3 { color: #3d67c5; }
.item-sheet { background: #fff; border-radius: 14px; padding: 16px 14px; }
.item-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px 12px; }
.item-grid span {
    display: flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    padding: 0;
    font-size: 15px;
    color: #222;
}
.item-grid img { width: 32px; height: 32px; flex: 0 0 32px; object-fit: contain; }
.note {
    margin-top: 18px;
    border: 1px solid #f3d7c4;
    border-radius: 18px;
    padding: 16px 22px 18px;
}
.note-line { display: flex; align-items: center; gap: 8px; margin: 10px 0 0; color: var(--orange); }
.note-line img { width: 28px; height: 28px; flex: 0 0 28px; object-fit: contain; }
.note-text { margin: 4px 0 8px 28px; color: #333; }
.note strong, .note a { color: var(--orange); font-weight: 700; text-decoration: none; }

.site-footer { background: var(--slate); color: #f3f5f8; margin-top: 12px; }
.footer-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 40px;
    align-items: center;
    padding: 36px 0;
}
.footer-socials {
    display: flex;
    align-items: center;
    gap: 96px;
    justify-self: end;
}
.site-footer h2 { margin: 0 0 8px; font-size: 16px; font-weight: 600; }
.site-footer p { margin: 0; font-size: 14px; line-height: 1.8; }
.site-footer a { color: #fff; text-decoration: none; }
.social { display: flex; flex-direction: column; align-items: center; gap: 8px; text-decoration: none; font-size: 14px; }
.social-icon {
    width: 78px;
    height: 78px;
    border-radius: 20px;
    background: #d0ced3;
    color: #455265;
    display: grid;
    place-items: center;
}
.copyright { text-align: center; color: #8b93a0; font-size: 14px; margin: 0; padding: 18px 12px 28px; }

@media (max-width: 900px) {
    .header-bar {
        display: grid;
        grid-template-columns: 44px 1fr 44px;
        align-items: center;
    }
    .logo { grid-column: 2; justify-self: center; }
    .nav-toggle { display: block; grid-column: 3; justify-self: end; }
    .site-nav {
        display: none;
        position: absolute;
        left: 0;
        right: 0;
        top: 84px;
        flex-direction: column;
        align-items: stretch;
        background: #fff;
        border-bottom: 1px solid var(--line);
        padding: 8px 16px 16px;
        box-shadow: var(--shadow);
    }
    .site-nav.is-open { display: flex; }
    .drop-menu { position: static; box-shadow: none; border: 0; padding: 0 0 8px 12px; }
    .feature, .feature-flip, .calc-grid, .rule-grid, .footer-grid, .soft-hero { grid-template-columns: 1fr; }
    .feature-flip .feature-copy { order: 0; }
    .feature h2, .soft-intro h2 { font-size: 24px; }
    .hit-know, .hit-contact, .hit-more { height: 16%; }
    .hero-arrow { display: none; }
    .footer-socials { justify-self: start; gap: 48px; }
    .social { flex-direction: column; align-items: center; }
}
