:root {
    --brand: #2980FE;
    --brand-dark: #145FC4;
    --brand-soft: #EAF3FF;
    --brand-faint: #F6F9FF;
    --gray-soft: #F7F9FC;
    --white: #FFFFFF;
    --text: #172033;
    --body: #465266;
    --muted: #758195;
    --border: #DCE6F2;
    --safe: #EAF8F2;
    --warn: #FFF6E8;
    --footer: #0F2747;
    --shadow: 0 18px 50px rgba(31, 73, 125, .10);
    --shadow-soft: 0 10px 30px rgba(31, 73, 125, .08);
    --radius-lg: 24px;
    --radius-md: 18px;
    --radius-sm: 14px;
    --content: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--body);
    background: var(--white);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
main { overflow: hidden; }

.skip-link {
    position: fixed;
    left: 16px;
    top: 12px;
    z-index: 1000;
    padding: 10px 16px;
    border-radius: 10px;
    background: var(--text);
    color: var(--white);
    transform: translateY(-160%);
    transition: transform .2s ease;
}
.skip-link:focus { transform: translateY(0); }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,.95);
    border-bottom: 1px solid rgba(220,230,242,.75);
    backdrop-filter: blur(18px);
}
.header-shell {
    width: min(var(--content), calc(100% - 40px));
    min-height: 78px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 24px;
}
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand img { width: 148px; max-height: 44px; object-fit: contain; object-position: left center; }
.desktop-nav {
    flex: 1;
    min-width: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2px;
    white-space: nowrap;
}
.nav-group { position: relative; }
.nav-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 46px;
    padding: 0 12px;
    border-radius: 12px;
    color: var(--body);
    font-size: 15px;
    font-weight: 700;
    transition: .2s ease;
}
.nav-link:hover, .nav-link:focus-visible, .nav-link.is-active { color: var(--brand-dark); background: var(--brand-faint); }
.nav-link.is-active::after {
    content: "";
    position: absolute;
    left: 14px;
    right: 14px;
    bottom: 5px;
    height: 2px;
    border-radius: 10px;
    background: var(--brand);
}
.mega-menu {
    position: absolute;
    top: calc(100% + 12px);
    left: 50%;
    width: 640px;
    padding: 18px;
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 18px;
    border: 1px solid var(--border);
    border-radius: 22px;
    background: var(--white);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translate(-50%, 10px);
    transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}
.nav-group:hover .mega-menu, .nav-group:focus-within .mega-menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.mega-wide { width: 820px; }
.compact-menu { width: 590px; }
.mega-intro {
    padding: 18px;
    border-radius: 16px;
    background: linear-gradient(145deg, var(--brand), var(--brand-dark));
    color: var(--white);
}
.mega-intro span { display: block; margin-bottom: 7px; font-size: 13px; opacity: .82; }
.mega-intro strong { display: block; font-size: 19px; line-height: 1.45; }
.mega-intro p { margin: 10px 0 0; font-size: 13px; line-height: 1.7; opacity: .86; }
.mega-links { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
.mega-links.three-columns { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.mega-links a {
    min-height: 82px;
    padding: 12px;
    border: 1px solid transparent;
    border-radius: 14px;
    transition: .2s ease;
    white-space: normal;
}
.mega-links a:hover, .mega-links a:focus-visible { background: var(--brand-faint); border-color: var(--border); transform: translateY(-1px); }
.mega-links b { display: block; color: var(--text); font-size: 14px; }
.mega-links small { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; line-height: 1.55; }
.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: 14px;
    font-weight: 800;
    line-height: 1.2;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible, a:focus-visible, button:focus-visible { outline: 3px solid rgba(41,128,254,.28); outline-offset: 2px; }
.btn-primary { color: var(--white); background: linear-gradient(135deg, var(--brand), var(--brand-dark)); box-shadow: 0 10px 24px rgba(41,128,254,.24); }
.btn-primary:hover { box-shadow: 0 14px 28px rgba(41,128,254,.30); }
.btn-secondary { color: var(--brand-dark); background: var(--white); border-color: var(--border); }
.btn-secondary:hover { border-color: var(--brand); background: var(--brand-faint); }
.btn-text { min-height: auto; padding: 0; color: var(--brand-dark); border-radius: 0; }
.btn-light { color: var(--brand-dark); background: var(--white); }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.text-link { color: var(--brand-dark); font-weight: 800; }
.text-link:hover { text-decoration: underline; }

.menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    padding: 0;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--white);
}
.menu-toggle span:not(.sr-only) { display: block; width: 20px; height: 2px; margin: 4px auto; border-radius: 10px; background: var(--text); }
.mobile-menu { position: fixed; inset: 0; z-index: 300; display: none; }
.mobile-menu.is-open { display: block; }
.mobile-menu-backdrop { position: absolute; inset: 0; width: 100%; border: 0; background: rgba(15,39,71,.56); }
.mobile-menu-panel {
    position: absolute;
    z-index: 2;
    right: 0;
    top: 0;
    width: min(92vw, 480px);
    height: 100%;
    padding: 18px;
    overflow-y: auto;
    background: var(--white);
    box-shadow: -20px 0 50px rgba(15,39,71,.18);
}
.mobile-menu-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; }
.menu-close { width: 46px; height: 46px; border: 1px solid var(--border); border-radius: 14px; background: var(--gray-soft); color: var(--text); font-size: 30px; line-height: 1; }
.mobile-home, .mobile-nav summary, .mobile-nav details a { min-height: 48px; display: flex; align-items: center; }
.mobile-home { padding: 0 14px; margin-bottom: 8px; border-radius: 12px; color: var(--text); background: var(--brand-faint); font-weight: 800; }
.mobile-nav details { border-bottom: 1px solid var(--border); }
.mobile-nav summary { position: relative; padding: 0 42px 0 14px; color: var(--text); font-weight: 800; list-style: none; }
.mobile-nav summary::-webkit-details-marker { display: none; }
.mobile-nav summary::after { content: "+"; position: absolute; right: 15px; font-size: 22px; color: var(--brand); }
.mobile-nav details[open] summary::after { content: "−"; }
.mobile-nav details div { padding: 0 8px 10px 20px; }
.mobile-nav details a { padding: 0 12px; border-radius: 10px; color: var(--body); }
.mobile-nav details a:hover { background: var(--gray-soft); color: var(--brand-dark); }
.mobile-menu-download { width: 100%; margin-top: 22px; }

.section, .page-hero, .cta-section { padding: 88px 0; }
.section-sm { padding: 64px 0; }
.container { width: min(var(--content), calc(100% - 40px)); margin: 0 auto; }
.section-head { max-width: 760px; margin-bottom: 34px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 14px;
    color: var(--brand-dark);
    font-size: 13px;
    font-weight: 900;
    letter-spacing: .08em;
    text-transform: uppercase;
}
.eyebrow::before { content: ""; width: 24px; height: 3px; border-radius: 10px; background: var(--brand); }
h1, h2, h3, h4 { margin-top: 0; color: var(--text); line-height: 1.28; letter-spacing: -.02em; }
h1 { margin-bottom: 22px; font-size: clamp(38px, 5vw, 66px); }
h2 { margin-bottom: 16px; font-size: clamp(30px, 3.4vw, 46px); }
h3 { margin-bottom: 10px; font-size: 22px; }
h4 { margin-bottom: 8px; font-size: 17px; }
p { margin-top: 0; }
.lead { font-size: 19px; line-height: 1.9; color: var(--body); }
.muted { color: var(--muted); }

.hero {
    position: relative;
    padding: 84px 0 72px;
    background:
        radial-gradient(circle at 90% 15%, rgba(41,128,254,.18), transparent 33%),
        radial-gradient(circle at 5% 80%, rgba(20,95,196,.10), transparent 30%),
        linear-gradient(180deg, #F8FBFF 0%, #FFFFFF 100%);
}
.hero::before {
    content: "";
    position: absolute;
    inset: 0;
    pointer-events: none;
    background-image: linear-gradient(rgba(41,128,254,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(41,128,254,.035) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: linear-gradient(to bottom, #000, transparent 85%);
}
.hero-grid { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 58px; align-items: center; }
.hero-copy { max-width: 660px; }
.hero-copy .lead { max-width: 640px; }
.hero-note { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 24px; color: var(--muted); font-size: 14px; }
.hero-note span { display: inline-flex; align-items: center; gap: 8px; }
.hero-note span::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 5px rgba(41,128,254,.10); }
.hero-visual { position: relative; min-height: 520px; display: grid; place-items: center; }
.hero-image-wrap {
    position: relative;
    width: min(100%, 520px);
    min-height: 480px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(41,128,254,.13);
    border-radius: 42px;
    background: linear-gradient(145deg, rgba(255,255,255,.88), rgba(234,243,255,.80));
    box-shadow: var(--shadow);
}
.hero-image-wrap::before, .hero-image-wrap::after { content: ""; position: absolute; border-radius: 50%; filter: blur(1px); }
.hero-image-wrap::before { width: 170px; height: 170px; right: -24px; top: -18px; background: rgba(41,128,254,.12); }
.hero-image-wrap::after { width: 130px; height: 130px; left: -24px; bottom: 18px; background: rgba(20,95,196,.10); }
.hero-image-wrap img { position: relative; z-index: 2; max-height: 430px; object-fit: contain; }
.floating-tag { position: absolute; z-index: 3; padding: 10px 14px; border: 1px solid rgba(41,128,254,.16); border-radius: 999px; background: rgba(255,255,255,.93); box-shadow: var(--shadow-soft); color: var(--brand-dark); font-weight: 900; font-size: 13px; }
.floating-tag.one { left: -16px; top: 86px; }
.floating-tag.two { right: -12px; top: 210px; }
.floating-tag.three { left: 22px; bottom: 46px; }

.principle-bar { position: relative; margin-top: -26px; z-index: 3; }
.principle-grid { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--border); border-radius: 22px; background: var(--white); box-shadow: var(--shadow-soft); overflow: hidden; }
.principle-item { padding: 24px; }
.principle-item + .principle-item { border-left: 1px solid var(--border); }
.principle-item h3 { font-size: 18px; }
.principle-item p { margin-bottom: 0; color: var(--muted); font-size: 14px; }

.bg-soft { background: var(--gray-soft); }
.bg-blue { background: var(--brand-faint); }
.bg-safe { background: var(--safe); }
.bg-warn { background: var(--warn); }
.bg-dark { background: var(--footer); color: rgba(255,255,255,.8); }
.bg-dark h2, .bg-dark h3, .bg-dark h4 { color: var(--white); }

.category-grid { display: grid; gap: 20px; }
.category-grid.primary { grid-template-columns: repeat(4, minmax(0,1fr)); }
.category-grid.tools { grid-template-columns: repeat(4, minmax(0,1fr)); margin-top: 20px; }
.category-grid.knowledge { grid-template-columns: repeat(4, minmax(0,1fr)); margin-top: 20px; }
.category-card {
    position: relative;
    padding: 26px;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--white);
    transition: .22s ease;
    overflow: hidden;
}
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-soft); border-color: rgba(41,128,254,.28); }
.category-card.primary-card { min-height: 240px; background: linear-gradient(145deg, #FFFFFF, #F3F8FF); }
.category-card.primary-card::after { content: attr(data-index); position: absolute; right: 18px; bottom: -16px; color: rgba(41,128,254,.10); font-size: 86px; font-weight: 900; line-height: 1; }
.category-card.tool-card { min-height: 190px; border-radius: 16px; border-left: 4px solid var(--brand); }
.category-card.knowledge-card { min-height: 180px; background: var(--brand-faint); border-color: transparent; }
.category-card p { color: var(--muted); }
.category-card .text-link { position: relative; z-index: 2; }

.path-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; counter-reset: path; }
.path-step {
    position: relative;
    min-height: 200px;
    padding: 26px 24px 24px 82px;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--white);
}
.path-step::before {
    counter-increment: path;
    content: "0" counter(path);
    position: absolute;
    left: 22px;
    top: 24px;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: var(--brand);
    color: var(--white);
    font-weight: 900;
}
.path-step::after { content: ""; position: absolute; left: 43px; top: 78px; bottom: 24px; width: 2px; background: linear-gradient(var(--brand), transparent); }
.path-step p { color: var(--muted); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 52px; align-items: center; }
.split.reverse .visual-panel { order: -1; }
.visual-panel {
    min-height: 420px;
    padding: 34px;
    display: grid;
    place-items: center;
    border-radius: 32px;
    background: linear-gradient(145deg, #FFFFFF, var(--brand-soft));
    border: 1px solid var(--border);
}
.visual-panel img { max-height: 390px; object-fit: contain; }
.content-panel .lead { font-size: 18px; }
.check-list, .plain-list, .number-list { margin: 22px 0; padding: 0; list-style: none; }
.check-list { display: grid; gap: 12px; }
.check-list li { position: relative; padding-left: 30px; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 1px; width: 20px; height: 20px; display: grid; place-items: center; border-radius: 50%; background: var(--brand-soft); color: var(--brand-dark); font-weight: 900; font-size: 12px; }
.plain-list { display: grid; gap: 10px; }
.plain-list li { padding: 13px 16px; border-left: 3px solid var(--brand); background: var(--gray-soft); border-radius: 0 12px 12px 0; }

.tool-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 24px; }
.tool-main { padding: 34px; border-radius: 28px; background: linear-gradient(145deg, var(--brand), var(--brand-dark)); color: rgba(255,255,255,.85); box-shadow: var(--shadow); }
.tool-main h3 { color: var(--white); font-size: 31px; }
.tool-main .tool-points { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0; }
.tool-main .tool-points span { padding: 8px 12px; border: 1px solid rgba(255,255,255,.22); border-radius: 999px; background: rgba(255,255,255,.08); font-size: 13px; }
.tool-main .text-link { color: var(--white); }
.tool-side { display: grid; gap: 16px; }
.mini-tool { padding: 22px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--white); }
.mini-tool p { margin-bottom: 10px; color: var(--muted); }

.check-panel { display: grid; grid-template-columns: .75fr 1.25fr; gap: 44px; padding: 44px; border-radius: 32px; background: var(--safe); border: 1px solid rgba(52,152,119,.13); }
.audit-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.audit-item { display: flex; align-items: center; gap: 12px; min-height: 60px; padding: 12px 14px; border-radius: 14px; background: rgba(255,255,255,.74); }
.audit-item span { width: 28px; height: 28px; display: grid; place-items: center; flex: 0 0 auto; border-radius: 9px; background: #D8F2E7; color: #187653; font-weight: 900; }
.alert-box { margin-top: 22px; padding: 18px 20px; border-radius: 16px; background: var(--warn); color: #7A5114; }

.dual-cards { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 22px; }
.feature-card { padding: 30px; border-radius: 24px; border: 1px solid var(--border); background: var(--white); }
.feature-card.accent { background: linear-gradient(145deg, #FFFFFF, var(--brand-faint)); }
.feature-card p { color: var(--muted); }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.pill { padding: 7px 11px; border-radius: 999px; background: var(--brand-soft); color: var(--brand-dark); font-size: 13px; font-weight: 800; }

.topic-layout { display: grid; grid-template-columns: 1.1fr .9fr; gap: 26px; }
.topic-main { min-height: 410px; padding: 38px; border-radius: 30px; background: linear-gradient(145deg, var(--footer), #173D6C); color: rgba(255,255,255,.78); }
.topic-main h3 { color: var(--white); font-size: 34px; }
.topic-main .btn-secondary { border-color: rgba(255,255,255,.24); background: rgba(255,255,255,.10); color: var(--white); }
.topic-list { display: grid; gap: 14px; }
.topic-link { padding: 22px; border-radius: 18px; background: var(--white); border: 1px solid var(--border); transition: .2s ease; }
.topic-link:hover { transform: translateX(4px); border-color: rgba(41,128,254,.28); }
.topic-link h4 { margin-bottom: 4px; }
.topic-link p { margin-bottom: 0; color: var(--muted); font-size: 14px; }

.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.review-card { padding: 26px; border: 1px solid var(--border); border-radius: 20px; background: var(--white); }
.review-card:nth-child(2), .review-card:nth-child(5) { transform: translateY(18px); }
.review-mark { color: var(--brand); font-size: 38px; font-weight: 900; line-height: 1; }
.review-card p { margin-bottom: 12px; color: var(--body); }
.review-card span { color: var(--muted); font-size: 13px; }

.faq-list { display: grid; gap: 12px; }
.faq-list details { border: 1px solid var(--border); border-radius: 16px; background: var(--white); overflow: hidden; }
.faq-list summary { position: relative; padding: 20px 56px 20px 22px; list-style: none; color: var(--text); font-weight: 800; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; position: absolute; right: 22px; top: 50%; transform: translateY(-50%); color: var(--brand); font-size: 24px; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details p { margin: 0; padding: 0 22px 22px; color: var(--body); }

.cta-section { background: linear-gradient(135deg, var(--brand), var(--brand-dark)); }
.cta-box { display: flex; align-items: center; justify-content: space-between; gap: 34px; color: rgba(255,255,255,.85); }
.cta-box h2 { color: var(--white); margin-bottom: 10px; }
.cta-box p { margin-bottom: 0; max-width: 760px; }
.cta-box .button-row { flex: 0 0 auto; }
.cta-box .btn-secondary { background: transparent; color: var(--white); border-color: rgba(255,255,255,.32); }

.page-hero {
    padding: 72px 0 64px;
    background: linear-gradient(145deg, var(--brand-faint), #FFFFFF);
    border-bottom: 1px solid var(--border);
}
.page-hero-grid { display: grid; grid-template-columns: 1fr .7fr; gap: 50px; align-items: center; }
.page-hero h1 { font-size: clamp(38px, 4.2vw, 58px); }
.page-hero-card { padding: 28px; border-radius: 26px; background: var(--white); border: 1px solid var(--border); box-shadow: var(--shadow-soft); }
.page-hero-card h2 { font-size: 21px; }
.page-hero-card ul { margin-bottom: 0; }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 16px; color: var(--muted); font-size: 14px; }
.breadcrumb a { color: var(--brand-dark); }

.content-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 22px; }
.info-card { padding: 26px; border: 1px solid var(--border); border-radius: 20px; background: var(--white); }
.info-card p { margin-bottom: 0; color: var(--muted); }
.info-card .number { width: 42px; height: 42px; display: grid; place-items: center; margin-bottom: 18px; border-radius: 13px; background: var(--brand-soft); color: var(--brand-dark); font-weight: 900; }

.timeline { display: grid; gap: 0; max-width: 900px; margin: 0 auto; }
.timeline-item { position: relative; padding: 0 0 34px 82px; }
.timeline-item::before { content: attr(data-step); position: absolute; left: 0; top: 0; width: 52px; height: 52px; display: grid; place-items: center; border-radius: 17px; background: var(--brand); color: var(--white); font-weight: 900; }
.timeline-item::after { content: ""; position: absolute; left: 25px; top: 58px; bottom: 6px; width: 2px; background: var(--border); }
.timeline-item:last-child::after { display: none; }
.timeline-item h3 { margin-bottom: 8px; }

.data-table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 18px; }
.data-table { width: 100%; min-width: 680px; border-collapse: collapse; background: var(--white); }
.data-table th, .data-table td { padding: 16px 18px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.data-table th { color: var(--text); background: var(--brand-faint); font-size: 14px; }
.data-table tr:last-child td { border-bottom: 0; }

.notice-card { padding: 24px; border-radius: 20px; background: var(--warn); border: 1px solid rgba(204,139,34,.13); }
.notice-card.safe { background: var(--safe); border-color: rgba(52,152,119,.13); }
.notice-card h3 { font-size: 20px; }
.notice-card p:last-child { margin-bottom: 0; }

.support-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 22px; }
.support-card { padding: 28px; border: 1px solid var(--border); border-radius: 22px; background: var(--white); }
.support-card ul { margin: 14px 0 18px; padding-left: 20px; }

.site-footer { background: var(--footer); color: rgba(255,255,255,.72); }
.footer-shell { width: min(var(--content), calc(100% - 40px)); margin: 0 auto; padding: 70px 0 44px; display: grid; grid-template-columns: 1.1fr 2fr; gap: 60px; }
.footer-logo img { filter: brightness(0) invert(1); }
.footer-brand p { max-width: 420px; margin: 22px 0; }
.footer-grid { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 24px; }
.footer-grid h2 { margin-bottom: 15px; color: var(--white); font-size: 15px; }
.footer-grid a { display: block; margin: 9px 0; font-size: 14px; }
.footer-grid a:hover { color: var(--white); }
.footer-notice { border-top: 1px solid rgba(255,255,255,.10); border-bottom: 1px solid rgba(255,255,255,.10); }
.footer-notice > div { width: min(var(--content), calc(100% - 40px)); margin: 0 auto; padding: 26px 0; display: grid; grid-template-columns: 110px 1fr; gap: 22px; }
.footer-notice strong { color: var(--white); }
.footer-notice p { margin: 0; font-size: 14px; }
.footer-bottom { width: min(var(--content), calc(100% - 40px)); min-height: 76px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; gap: 20px; font-size: 13px; }
.footer-bottom p { margin: 0; }
.footer-bottom div { display: flex; flex-wrap: wrap; gap: 18px; }

@media (max-width: 1180px) {
    .header-shell { width: min(100% - 28px, var(--content)); gap: 14px; }
    .brand img { width: 128px; }
    .nav-link { padding: 0 8px; font-size: 14px; }
    .header-download { padding: 0 16px; }
    .mega-menu { left: 40%; }
    .footer-shell { grid-template-columns: 1fr; gap: 44px; }
}

@media (max-width: 980px) {
    .desktop-nav { display: none; }
    .header-shell { min-height: 70px; }
    .header-actions { margin-left: auto; }
    .menu-toggle { display: block; }
    .hero-grid, .page-hero-grid { grid-template-columns: 1fr; }
    .hero-copy { max-width: none; }
    .hero-visual { min-height: auto; }
    .hero-image-wrap { min-height: 440px; }
    .principle-grid { grid-template-columns: repeat(2,1fr); }
    .principle-item:nth-child(3) { border-left: 0; border-top: 1px solid var(--border); }
    .principle-item:nth-child(4) { border-top: 1px solid var(--border); }
    .category-grid.primary, .category-grid.tools, .category-grid.knowledge { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .path-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .split, .tool-layout, .check-panel, .topic-layout { grid-template-columns: 1fr; }
    .split.reverse .visual-panel { order: initial; }
    .visual-panel { min-height: 360px; }
    .review-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .review-card:nth-child(2), .review-card:nth-child(5) { transform: none; }
    .content-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .footer-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
}

@media (max-width: 700px) {
    .section, .page-hero, .cta-section { padding: 62px 0; }
    .section-sm { padding: 48px 0; }
    .container, .footer-shell, .footer-notice > div, .footer-bottom { width: min(100% - 28px, var(--content)); }
    .header-shell { width: calc(100% - 20px); }
    .brand img { width: 116px; }
    .header-download { min-height: 42px; padding: 0 14px; font-size: 14px; }
    .menu-toggle { width: 42px; height: 42px; }
    .hero { padding: 58px 0 50px; }
    h1 { font-size: 40px; }
    h2 { font-size: 31px; }
    .lead { font-size: 17px; }
    .hero-image-wrap { min-height: 360px; border-radius: 28px; }
    .hero-image-wrap img { max-height: 330px; }
    .floating-tag { font-size: 12px; padding: 8px 11px; }
    .floating-tag.one { left: 6px; top: 42px; }
    .floating-tag.two { right: 4px; top: 160px; }
    .floating-tag.three { left: 20px; bottom: 24px; }
    .principle-bar { margin-top: 0; padding-top: 20px; }
    .principle-grid, .category-grid.primary, .category-grid.tools, .category-grid.knowledge, .path-grid, .dual-cards, .review-grid, .content-grid, .support-grid { grid-template-columns: 1fr; }
    .principle-item + .principle-item { border-left: 0; border-top: 1px solid var(--border); }
    .category-card.primary-card, .category-card.tool-card, .category-card.knowledge-card { min-height: auto; }
    .path-step { min-height: auto; }
    .visual-panel { min-height: 300px; padding: 22px; }
    .check-panel { padding: 26px; gap: 28px; }
    .audit-grid { grid-template-columns: 1fr; }
    .topic-main { min-height: auto; padding: 28px; }
    .cta-box { align-items: flex-start; flex-direction: column; }
    .page-hero-grid { gap: 28px; }
    .timeline-item { padding-left: 68px; }
    .timeline-item::before { width: 46px; height: 46px; }
    .timeline-item::after { left: 22px; top: 52px; }
    .footer-shell { padding: 52px 0 34px; }
    .footer-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .footer-notice > div { grid-template-columns: 1fr; gap: 8px; }
    .footer-bottom { padding: 20px 0; flex-direction: column; align-items: flex-start; }
}

@media (max-width: 430px) {
    .header-actions { gap: 6px; }
    .header-download { padding: 0 11px; }
    .brand img { width: 104px; }
    .hero-note { flex-direction: column; gap: 8px; }
    .button-row .btn { width: 100%; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 18px; }
}