:root {
    --blue: #2980FE;
    --deep-blue: #145FC4;
    --light-blue: #EAF3FF;
    --pale-blue: #F6F9FF;
    --soft-gray: #F7F9FC;
    --white: #FFFFFF;
    --text: #172033;
    --body: #465266;
    --muted: #758195;
    --border: #DCE6F2;
    --safe: #EAF8F2;
    --warn: #FFF6E8;
    --footer: #0F2747;
    --shadow: 0 18px 50px rgba(24, 73, 138, .10);
    --radius-xl: 24px;
    --radius-lg: 20px;
    --radius-md: 16px;
    --content: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    min-width: 320px;
    color: var(--text);
    background: var(--white);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
    line-height: 1.75;
    overflow-x: hidden;
}
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; }
.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; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 9999; background: var(--text); color: #fff; padding: 10px 16px; border-radius: 10px; }
.skip-link:focus { top: 12px; }

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255,255,255,.94);
    border-bottom: 1px solid rgba(220,230,242,.88);
    backdrop-filter: blur(14px);
}
.header-inner {
    width: min(calc(100% - 36px), 1320px);
    min-height: 78px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 24px;
}
.brand { flex: 0 0 auto; display: inline-flex; align-items: center; }
.brand img { width: 148px; max-height: 46px; object-fit: contain; }
.desktop-nav { flex: 1 1 auto; display: flex; align-items: stretch; justify-content: center; gap: 2px; min-width: 0; }
.nav-item { position: relative; display: flex; align-items: center; }
.nav-link { display: flex; align-items: center; gap: 5px; min-height: 78px; padding: 0 12px; font-size: 15px; font-weight: 700; color: var(--body); white-space: nowrap; }
.nav-link:hover, .nav-link:focus-visible, .nav-link.is-active { color: var(--blue); }
.nav-caret { font-size: 16px; transform: translateY(-1px); }
.mega-menu {
    position: absolute;
    top: calc(100% - 3px);
    left: 50%;
    width: min(720px, 78vw);
    padding: 22px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 0 0 22px 22px;
    box-shadow: var(--shadow);
    transform: translate(-50%, 14px);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: .2s ease;
}
.nav-item:hover .mega-menu, .nav-item:focus-within .mega-menu { opacity: 1; visibility: visible; pointer-events: auto; transform: translate(-50%, 0); }
.mega-menu-head { display: flex; justify-content: space-between; gap: 20px; padding-bottom: 15px; margin-bottom: 14px; border-bottom: 1px solid var(--border); }
.mega-menu-head strong { color: var(--deep-blue); font-size: 18px; }
.mega-menu-head span { color: var(--muted); font-size: 13px; }
.mega-menu-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.mega-menu-grid a { display: grid; gap: 2px; padding: 13px 14px; border-radius: 14px; background: var(--pale-blue); border: 1px solid transparent; }
.mega-menu-grid a:hover, .mega-menu-grid a:focus-visible { background: #fff; border-color: var(--blue); }
.mega-menu-grid strong { color: var(--text); font-size: 15px; }
.mega-menu-grid span { color: var(--muted); font-size: 12px; line-height: 1.55; }
.header-actions { margin-left: auto; display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.download-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; border-radius: 14px; background: linear-gradient(135deg, var(--blue), var(--deep-blue)); color: #fff; font-weight: 800; box-shadow: 0 12px 24px rgba(41,128,254,.20); transition: transform .18s ease, box-shadow .18s ease; }
.download-btn:hover, .download-btn:focus-visible { transform: translateY(-2px); box-shadow: 0 16px 30px rgba(41,128,254,.28); }
.site-header .download-btn { min-height: 44px; padding: 0 18px; white-space: nowrap; }
.desktop-more { position: relative; }
.desktop-more summary { list-style: none; min-height: 44px; padding: 0 14px; border: 1px solid var(--border); border-radius: 12px; display: inline-flex; align-items: center; font-weight: 700; color: var(--body); }
.desktop-more summary::-webkit-details-marker { display: none; }
.more-popover { position: absolute; right: 0; top: calc(100% + 10px); width: 168px; display: grid; padding: 10px; background: #fff; border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); }
.more-popover a { padding: 10px 12px; border-radius: 10px; }
.more-popover a:hover { background: var(--light-blue); color: var(--deep-blue); }
.mobile-menu-button { display: none; width: 46px; height: 44px; border: 1px solid var(--border); background: #fff; border-radius: 12px; padding: 10px; }
.mobile-menu-button span:not(.sr-only) { display: block; height: 2px; background: var(--text); margin: 5px 0; border-radius: 10px; }

.mobile-menu { position: fixed; inset: 0; z-index: 2000; display: grid; grid-template-columns: minmax(0, 560px) 1fr; opacity: 0; visibility: hidden; pointer-events: none; transition: .22s ease; }
.mobile-menu.is-open { opacity: 1; visibility: visible; pointer-events: auto; }
.mobile-menu-panel { position: relative; z-index: 2; height: 100%; background: #fff; transform: translateX(-100%); transition: .25s ease; display: flex; flex-direction: column; box-shadow: 30px 0 70px rgba(10,35,72,.18); }
.mobile-menu.is-open .mobile-menu-panel { transform: translateX(0); }
.mobile-menu-backdrop { border: 0; background: rgba(15,39,71,.48); }
.mobile-menu-head { min-height: 74px; display: flex; align-items: center; justify-content: space-between; padding: 0 22px; border-bottom: 1px solid var(--border); }
.mobile-menu-close { width: 46px; height: 46px; border: 0; border-radius: 12px; background: var(--soft-gray); color: var(--text); font-size: 30px; line-height: 1; }
.mobile-menu-scroll { overflow-y: auto; overscroll-behavior: contain; padding: 20px 22px 36px; }
.mobile-home { min-height: 50px; display: flex; align-items: center; padding: 0 16px; background: var(--light-blue); color: var(--deep-blue); border-radius: 14px; font-weight: 800; }
.mobile-group { border-bottom: 1px solid var(--border); }
.mobile-group summary { list-style: none; min-height: 58px; display: flex; align-items: center; justify-content: space-between; font-weight: 800; }
.mobile-group summary::-webkit-details-marker { display: none; }
.mobile-group summary::after { content: '+'; color: var(--blue); font-size: 24px; }
.mobile-group[open] summary::after { content: '−'; }
.mobile-group-links { display: grid; gap: 8px; padding: 0 0 16px; }
.mobile-group-links a { display: grid; gap: 2px; padding: 12px 14px; background: var(--pale-blue); border-radius: 12px; }
.mobile-group-links strong { font-size: 15px; }
.mobile-group-links span { color: var(--muted); font-size: 12px; }
.mobile-menu-scroll > .download-btn { width: 100%; margin-top: 22px; }

main { display: block; }
.container { width: min(calc(100% - 40px), var(--content)); margin: 0 auto; }
.section { padding: 92px 0; }
.section-sm { padding: 68px 0; }
.section-soft { background: var(--soft-gray); }
.section-blue { background: linear-gradient(180deg, var(--pale-blue), #fff); }
.section-deep { background: linear-gradient(140deg, #102A4D, #154E8D); color: #fff; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; min-height: 34px; padding: 0 13px; border-radius: 999px; background: var(--light-blue); color: var(--deep-blue); font-size: 13px; font-weight: 800; letter-spacing: .06em; }
.section-deep .eyebrow { background: rgba(255,255,255,.12); color: #fff; }
h1, h2, h3 { margin: 0; line-height: 1.25; letter-spacing: -.02em; }
h1 { font-size: clamp(38px, 5.5vw, 72px); }
h2 { font-size: clamp(30px, 4vw, 48px); }
h3 { font-size: 21px; }
p { margin: 0; }
.lead { color: var(--body); font-size: clamp(17px, 2vw, 21px); line-height: 1.8; }
.section-deep .lead, .section-deep p { color: rgba(255,255,255,.78); }
.section-heading { max-width: 780px; margin-bottom: 38px; }
.section-heading.center { text-align: center; margin-left: auto; margin-right: auto; }
.section-heading .eyebrow { margin-bottom: 16px; }
.section-heading h2 { margin-bottom: 16px; }
.section-heading p { color: var(--body); font-size: 17px; }
.section-deep .section-heading p { color: rgba(255,255,255,.78); }
.text-link { color: var(--deep-blue); font-weight: 800; }
.text-link::after { content: ' →'; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button-secondary { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 22px; border: 1px solid var(--border); border-radius: 14px; background: #fff; color: var(--deep-blue); font-weight: 800; }
.button-secondary:hover, .button-secondary:focus-visible { border-color: var(--blue); background: var(--light-blue); }
.section-deep .button-secondary { background: rgba(255,255,255,.10); border-color: rgba(255,255,255,.22); color: #fff; }

.hero { position: relative; overflow: hidden; padding: 88px 0 72px; background: radial-gradient(circle at 80% 10%, rgba(41,128,254,.18), transparent 32%), linear-gradient(180deg, #F7FBFF 0%, #FFFFFF 88%); }
.hero::before { content: ''; position: absolute; width: 460px; height: 460px; border-radius: 50%; border: 1px solid rgba(41,128,254,.14); right: -140px; top: -190px; }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(380px, .95fr); gap: 64px; align-items: center; }
.hero-copy .eyebrow { margin-bottom: 20px; }
.hero-copy h1 { max-width: 760px; }
.hero-copy .lead { max-width: 720px; margin-top: 22px; }
.hero-note { display: grid; gap: 9px; margin-top: 24px; padding-left: 18px; border-left: 3px solid var(--blue); color: var(--muted); }
.hero-visual { position: relative; min-height: 520px; display: grid; place-items: center; }
.hero-device { width: min(100%, 430px); filter: drop-shadow(0 26px 36px rgba(29,73,128,.18)); }
.floating-tag { position: absolute; display: flex; align-items: center; min-height: 42px; padding: 0 15px; background: rgba(255,255,255,.94); border: 1px solid var(--border); border-radius: 999px; box-shadow: var(--shadow); color: var(--deep-blue); font-weight: 800; font-size: 14px; }
.tag-a { left: 0; top: 18%; }
.tag-b { right: 0; top: 42%; }
.tag-c { left: 8%; bottom: 13%; }

.principles { margin-top: -16px; position: relative; z-index: 2; }
.principle-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); background: #fff; border: 1px solid var(--border); border-radius: var(--radius-xl); box-shadow: var(--shadow); overflow: hidden; }
.principle { padding: 26px; border-right: 1px solid var(--border); }
.principle:last-child { border-right: 0; }
.principle strong { display: block; margin-bottom: 8px; color: var(--deep-blue); font-size: 18px; }
.principle p { color: var(--body); font-size: 14px; }

.category-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }
.category-card { position: relative; display: flex; flex-direction: column; min-height: 220px; padding: 25px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; overflow: hidden; }
.category-card::before { content: attr(data-number); position: absolute; right: 18px; top: 8px; color: rgba(41,128,254,.10); font-size: 54px; font-weight: 900; line-height: 1; }
.category-card h3 { max-width: 80%; margin-bottom: 12px; }
.category-card p { color: var(--body); font-size: 14px; margin-bottom: 20px; }
.category-card .text-link { margin-top: auto; }
.category-card.featured { min-height: 270px; background: linear-gradient(145deg, var(--light-blue), #fff); border-color: rgba(41,128,254,.28); }
.category-card.tool { min-height: 175px; flex-direction: row; gap: 14px; align-items: flex-start; }
.category-card.tool .text-link { align-self: flex-end; white-space: nowrap; }
.category-card.knowledge { grid-column: span 1; min-height: 170px; background: var(--soft-gray); }

.path-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; counter-reset: steps; }
.path-step { position: relative; padding: 26px 24px 25px 78px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); min-height: 180px; }
.path-step::before { counter-increment: steps; content: counter(steps, decimal-leading-zero); position: absolute; left: 22px; top: 23px; width: 42px; height: 42px; display: grid; place-items: center; border-radius: 13px; background: var(--blue); color: #fff; font-weight: 900; }
.path-step h3 { margin-bottom: 9px; }
.path-step p { color: var(--body); font-size: 14px; }
.path-step a { display: inline-block; margin-top: 12px; color: var(--deep-blue); font-weight: 800; font-size: 14px; }

.split { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 58px; align-items: center; }
.split.reverse .split-media { order: 2; }
.split-media { display: grid; place-items: center; min-height: 430px; padding: 34px; border-radius: 30px; background: linear-gradient(145deg, var(--light-blue), var(--pale-blue)); border: 1px solid var(--border); }
.split-media img { max-height: 470px; object-fit: contain; }
.split-copy h2 { margin: 14px 0 18px; }
.split-copy p + p { margin-top: 16px; }
.split-copy ul { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.split-copy li { position: relative; padding-left: 28px; color: var(--body); }
.split-copy li::before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--blue); font-weight: 900; }

.tool-layout { display: grid; grid-template-columns: 1.25fr .75fr; gap: 20px; }
.tool-main { min-height: 480px; padding: 36px; border-radius: 28px; background: linear-gradient(145deg, #145FC4, #2980FE); color: #fff; display: flex; flex-direction: column; }
.tool-main h3 { font-size: 32px; margin: 20px 0 16px; }
.tool-main p { color: rgba(255,255,255,.82); }
.tool-main .tool-checks { margin-top: 26px; }
.tool-main .text-link { margin-top: auto; color: #fff; }
.tool-side { display: grid; gap: 18px; }
.tool-card { padding: 24px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; }
.tool-card h3 { margin-bottom: 10px; }
.tool-card p { color: var(--body); font-size: 14px; }
.tool-card small { display: block; margin: 14px 0 10px; color: var(--muted); font-weight: 800; }
.tool-checks { display: flex; flex-wrap: wrap; gap: 8px; }
.tool-checks span { display: inline-flex; min-height: 32px; align-items: center; padding: 0 11px; border-radius: 999px; background: var(--light-blue); color: var(--deep-blue); font-size: 12px; font-weight: 800; }
.tool-main .tool-checks span { background: rgba(255,255,255,.14); color: #fff; }

.safety-panel { display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; padding: 46px; border-radius: 30px; background: linear-gradient(135deg, var(--safe), var(--light-blue)); border: 1px solid rgba(41,128,254,.18); }
.safety-panel h2 { margin: 14px 0 16px; }
.safety-panel p { color: var(--body); }
.checklist { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.check-item { display: flex; gap: 12px; align-items: flex-start; padding: 14px; border-radius: 14px; background: rgba(255,255,255,.78); color: var(--body); }
.check-item::before { content: '✓'; flex: 0 0 28px; width: 28px; height: 28px; display: grid; place-items: center; border-radius: 9px; background: var(--blue); color: #fff; font-weight: 900; }
.alert-box { margin-top: 18px; padding: 16px 18px; border-left: 4px solid #E39727; border-radius: 12px; background: var(--warn); color: #75470B; font-weight: 700; }

.topic-duo { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 18px; margin-top: 24px; }
.topic-card { padding: 25px; border-radius: var(--radius-lg); background: #fff; border: 1px solid var(--border); }
.topic-card h3 { margin-bottom: 12px; }
.topic-card ul { margin: 0; padding-left: 20px; color: var(--body); }

.horizontal-knowledge { display: grid; grid-template-columns: 1.1fr .9fr; gap: 30px; padding: 38px; border-radius: 28px; background: #fff; border: 1px solid var(--border); box-shadow: var(--shadow); }
.knowledge-list { display: grid; gap: 10px; }
.knowledge-list a { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 54px; padding: 0 16px; border-radius: 14px; background: var(--pale-blue); font-weight: 800; }
.knowledge-list a::after { content: '→'; color: var(--blue); }

.steps-compact { counter-reset: compact; display: grid; gap: 12px; }
.steps-compact li { list-style: none; position: relative; padding: 15px 16px 15px 58px; border-radius: 14px; background: rgba(255,255,255,.10); color: rgba(255,255,255,.82); }
.steps-compact li::before { counter-increment: compact; content: counter(compact); position: absolute; left: 16px; top: 13px; width: 30px; height: 30px; display: grid; place-items: center; border-radius: 9px; background: #fff; color: var(--deep-blue); font-weight: 900; }

.academy-grid { display: grid; grid-template-columns: 1.2fr repeat(2, .8fr); gap: 18px; }
.academy-main { grid-row: span 2; padding: 32px; border-radius: 26px; background: linear-gradient(145deg, var(--light-blue), #fff); border: 1px solid var(--border); }
.academy-main h3 { font-size: 30px; margin: 18px 0 14px; }
.academy-card { padding: 23px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; }
.academy-card h3 { margin-bottom: 10px; }
.academy-card p, .academy-main p { color: var(--body); font-size: 14px; }
.academy-card a, .academy-main a { display: inline-block; margin-top: 14px; color: var(--deep-blue); font-weight: 800; }

.review-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.review-card { padding: 25px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; }
.review-card p { color: var(--body); }
.review-card span { display: block; margin-top: 16px; color: var(--deep-blue); font-weight: 800; font-size: 13px; }

.faq-list { display: grid; gap: 12px; }
.faq-list details { border: 1px solid var(--border); border-radius: 16px; background: #fff; overflow: hidden; }
.faq-list summary { list-style: none; min-height: 62px; padding: 16px 54px 16px 20px; display: flex; align-items: center; position: relative; font-weight: 800; cursor: pointer; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: '+'; position: absolute; right: 20px; color: var(--blue); font-size: 25px; }
.faq-list details[open] summary::after { content: '−'; }
.faq-answer { padding: 0 20px 20px; color: var(--body); }

.cta-band { display: grid; grid-template-columns: 1fr auto; gap: 30px; align-items: center; padding: 44px 48px; border-radius: 28px; background: linear-gradient(135deg, #0F2747, #145FC4); color: #fff; }
.cta-band h2 { margin-bottom: 12px; }
.cta-band p { color: rgba(255,255,255,.76); }
.cta-band .download-btn { background: #fff; color: var(--deep-blue); box-shadow: none; }

.page-hero { padding: 86px 0 72px; background: linear-gradient(180deg, var(--pale-blue), #fff); border-bottom: 1px solid var(--border); }
.page-hero-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(280px, .72fr); gap: 58px; align-items: center; }
.page-hero h1 { max-width: 820px; margin: 16px 0 20px; font-size: clamp(38px, 5vw, 64px); }
.page-hero .lead { max-width: 800px; }
.page-hero-visual { min-height: 360px; display: grid; place-items: center; padding: 26px; border-radius: 28px; background: linear-gradient(145deg, var(--light-blue), #fff); border: 1px solid var(--border); }
.page-hero-visual img { max-height: 360px; object-fit: contain; }
.page-kicker-list { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.page-kicker-list span { min-height: 34px; display: inline-flex; align-items: center; padding: 0 12px; border-radius: 999px; background: #fff; border: 1px solid var(--border); color: var(--deep-blue); font-size: 13px; font-weight: 800; }
.content-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; }
.info-card { padding: 25px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; }
.info-card h3 { margin-bottom: 10px; }
.info-card p { color: var(--body); font-size: 14px; }
.info-card a { display: inline-block; margin-top: 14px; color: var(--deep-blue); font-weight: 800; }
.number-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 16px; counter-reset: numbered; }
.number-card { position: relative; padding: 72px 22px 24px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; }
.number-card::before { counter-increment: numbered; content: counter(numbered, decimal-leading-zero); position: absolute; top: 20px; left: 22px; color: var(--blue); font-size: 26px; font-weight: 900; }
.number-card p { color: var(--body); font-size: 14px; }
.prose { max-width: 860px; }
.prose h2 { margin: 42px 0 16px; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 28px 0 10px; }
.prose p { color: var(--body); }
.prose p + p { margin-top: 16px; }
.prose ul, .prose ol { color: var(--body); padding-left: 24px; }
.prose li + li { margin-top: 8px; }
.callout { padding: 24px; border-radius: var(--radius-lg); background: var(--light-blue); border-left: 4px solid var(--blue); }
.callout.warn { background: var(--warn); border-color: #E39727; }
.callout.safe { background: var(--safe); border-color: #2A9A6E; }
.callout p { color: var(--body); }
.link-strip { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.link-strip a { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 0 20px; border: 1px solid var(--border); border-radius: 15px; background: #fff; font-weight: 800; }
.link-strip a::after { content: '→'; color: var(--blue); }
.contact-flow { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 16px; counter-reset: contact; }
.contact-flow article { padding: 24px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: #fff; }
.contact-flow article::before { counter-increment: contact; content: counter(contact); width: 38px; height: 38px; display: grid; place-items: center; border-radius: 12px; background: var(--blue); color: #fff; font-weight: 900; margin-bottom: 16px; }
.contact-flow p { color: var(--body); font-size: 14px; }

.site-footer { background: var(--footer); color: #fff; }
.footer-inner { width: min(calc(100% - 40px), var(--content)); margin: 0 auto; padding: 72px 0 48px; display: grid; grid-template-columns: .9fr 1.7fr; gap: 60px; }
.footer-brand p { max-width: 400px; margin: 20px 0 24px; color: rgba(255,255,255,.66); }
.footer-logo img { filter: brightness(0) invert(1); }
.site-footer .footer-brand .download-btn { min-height: 44px; }
.footer-links { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: 26px; }
.footer-links h2 { font-size: 15px; margin-bottom: 16px; color: #fff; }
.footer-links section { display: flex; flex-direction: column; gap: 9px; }
.footer-links a { color: rgba(255,255,255,.63); font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-risk { border-top: 1px solid rgba(255,255,255,.10); border-bottom: 1px solid rgba(255,255,255,.10); }
.footer-risk p { width: min(calc(100% - 40px), var(--content)); margin: 0 auto; padding: 24px 0; color: rgba(255,255,255,.64); font-size: 13px; }
.footer-bottom { width: min(calc(100% - 40px), var(--content)); margin: 0 auto; min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; color: rgba(255,255,255,.50); font-size: 13px; }

@media (max-width: 1180px) {
    .desktop-nav { display: none; }
    .desktop-more { display: none; }
    .mobile-menu-button { display: block; }
    .header-inner { min-height: 70px; }
    .hero-grid { grid-template-columns: 1fr .8fr; gap: 36px; }
    .hero-visual { min-height: 440px; }
    .footer-inner { grid-template-columns: 1fr; }
}

@media (max-width: 960px) {
    .section { padding: 74px 0; }
    .hero-grid, .page-hero-grid, .split, .safety-panel, .horizontal-knowledge, .tool-layout { grid-template-columns: 1fr; }
    .hero-copy { text-align: center; }
    .hero-copy .lead, .hero-copy h1 { margin-left: auto; margin-right: auto; }
    .hero-note { text-align: left; max-width: 700px; margin-left: auto; margin-right: auto; }
    .button-row { justify-content: center; }
    .hero-visual { min-height: 480px; }
    .principle-grid { grid-template-columns: repeat(2,1fr); }
    .principle:nth-child(2) { border-right: 0; }
    .principle:nth-child(-n+2) { border-bottom: 1px solid var(--border); }
    .category-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .category-card.knowledge { grid-column: span 1; }
    .path-grid, .content-grid, .review-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
    .split.reverse .split-media { order: 0; }
    .academy-grid { grid-template-columns: repeat(2,1fr); }
    .academy-main { grid-column: 1 / -1; grid-row: auto; }
    .number-grid, .contact-flow { grid-template-columns: repeat(2,1fr); }
    .footer-links { grid-template-columns: repeat(3,1fr); }
}

@media (max-width: 680px) {
    .container { width: min(calc(100% - 28px), var(--content)); }
    .header-inner { width: calc(100% - 24px); gap: 10px; }
    .brand img { width: 122px; max-height: 38px; }
    .site-header .download-btn { min-height: 42px; padding: 0 13px; font-size: 14px; border-radius: 12px; }
    .mobile-menu { grid-template-columns: 1fr; }
    .mobile-menu-backdrop { display: none; }
    .section { padding: 62px 0; }
    .section-sm { padding: 52px 0; }
    .hero { padding: 62px 0 48px; }
    .hero-grid { gap: 26px; }
    .hero-copy { text-align: left; }
    .hero-copy .button-row { justify-content: stretch; }
    .hero-copy .button-row > * { width: 100%; }
    .hero-visual { min-height: 380px; }
    .hero-device { width: min(88%, 330px); }
    .floating-tag { font-size: 12px; min-height: 36px; padding: 0 11px; }
    .tag-a { left: 0; top: 10%; }
    .tag-b { right: 0; top: 45%; }
    .tag-c { left: 2%; bottom: 8%; }
    .principle-grid { grid-template-columns: 1fr; }
    .principle { border-right: 0; border-bottom: 1px solid var(--border); }
    .principle:last-child { border-bottom: 0; }
    .category-grid, .path-grid, .content-grid, .review-grid, .topic-duo, .checklist, .academy-grid, .number-grid, .contact-flow, .link-strip { grid-template-columns: 1fr; }
    .category-card, .category-card.featured, .category-card.tool, .category-card.knowledge { min-height: auto; grid-column: auto; }
    .category-card.tool { flex-direction: column; }
    .category-card.tool .text-link { align-self: auto; }
    .path-step { min-height: auto; }
    .split-media, .page-hero-visual { min-height: 300px; padding: 22px; }
    .tool-main { min-height: 420px; padding: 28px; }
    .safety-panel { padding: 28px 20px; }
    .horizontal-knowledge { padding: 24px 20px; }
    .cta-band { grid-template-columns: 1fr; padding: 32px 24px; }
    .cta-band .download-btn { width: 100%; }
    .page-hero { padding: 60px 0 50px; }
    .page-hero-grid { gap: 28px; }
    .page-hero-visual { order: 2; }
    .footer-inner { padding-top: 54px; }
    .footer-links { grid-template-columns: repeat(2,1fr); }
    .footer-bottom { align-items: flex-start; flex-direction: column; justify-content: center; padding: 18px 0; }
}

@media (max-width: 420px) {
    .brand img { width: 104px; }
    .header-actions { gap: 6px; }
    .site-header .download-btn { padding: 0 10px; }
    .mobile-menu-button { width: 42px; padding: 9px; }
    .footer-links { grid-template-columns: 1fr; }
}