:root {
  --blue: #2980FE;
  --blue-deep: #145FC4;
  --blue-soft: #EAF3FF;
  --blue-pale: #F6F9FF;
  --gray-soft: #F7F9FC;
  --white: #FFFFFF;
  --text: #172033;
  --body: #465266;
  --muted: #758195;
  --border: #DCE6F2;
  --green-soft: #EAF8F2;
  --orange-soft: #FFF6E8;
  --footer: #0F2747;
  --shadow: 0 18px 45px rgba(25, 75, 140, .10);
  --radius-lg: 24px;
  --radius-md: 18px;
  --content: 1200px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { margin: 0; min-width: 320px; color: var(--text); background: var(--white); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", Arial, sans-serif; line-height: 1.7; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 9999; padding: 10px 16px; background: var(--text); color: white; 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,.9); backdrop-filter: blur(16px); }
.header-inner { width: min(calc(100% - 32px), 1360px); min-height: 76px; margin: 0 auto; display: flex; align-items: center; gap: 24px; }
.brand { flex: 0 0 auto; display: inline-flex; align-items: center; min-height: 44px; }
.brand img { width: auto; max-height: 42px; object-fit: contain; }
.desktop-nav { display: flex; align-items: stretch; justify-content: center; gap: 2px; flex: 1 1 auto; min-width: 0; align-self: stretch; }
.nav-link { position: relative; display: inline-flex; align-items: center; justify-content: center; padding: 0 11px; min-height: 76px; font-size: 15px; font-weight: 700; white-space: nowrap; color: #34435a; }
.nav-link::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 0; height: 3px; border-radius: 3px 3px 0 0; background: var(--blue); transform: scaleX(0); transition: transform .2s ease; }
.nav-link:hover, .nav-link:focus-visible, .nav-group.is-active > .nav-link { color: var(--blue-deep); }
.nav-link:hover::after, .nav-link:focus-visible::after, .nav-group.is-active > .nav-link::after, .desktop-nav > .nav-link.is-active::after { transform: scaleX(1); }
.nav-group { position: relative; display: flex; }
.mega-menu { position: absolute; top: calc(100% - 1px); left: 50%; width: 620px; padding: 18px; display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 10px; background: var(--white); border: 1px solid var(--border); border-radius: 0 0 20px 20px; box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translate(-50%, 8px); transition: opacity .18s ease, transform .18s ease, visibility .18s; }
.mega-menu-wide { width: 760px; grid-template-columns: 1.25fr 1fr 1fr; }
.mega-menu-right { left: auto; right: -10px; transform: translate(0, 8px); }
.nav-group:hover .mega-menu, .nav-group:focus-within .mega-menu { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav-group:hover .mega-menu-right, .nav-group:focus-within .mega-menu-right { transform: translate(0, 0); }
.mega-intro { grid-row: span 2; padding: 18px; border-radius: 16px; background: linear-gradient(145deg, var(--blue-pale), var(--blue-soft)); }
.mega-intro strong { display: block; margin-bottom: 8px; color: var(--blue-deep); font-size: 18px; }
.mega-intro span { color: var(--body); font-size: 13px; line-height: 1.6; }
.mega-menu > a { min-height: 72px; padding: 12px 14px; border-radius: 13px; border: 1px solid transparent; transition: .2s ease; }
.mega-menu > a:hover, .mega-menu > a:focus-visible { background: var(--blue-pale); border-color: var(--border); transform: translateY(-1px); }
.mega-menu b, .mega-menu span { display: block; }
.mega-menu b { color: var(--text); font-size: 14px; }
.mega-menu span { color: var(--muted); font-size: 12px; line-height: 1.5; }
.header-actions { display: flex; align-items: center; gap: 10px; flex: 0 0 auto; }
.download-btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 22px; border: 1px solid var(--blue); border-radius: 13px; color: var(--white); background: linear-gradient(135deg, var(--blue), var(--blue-deep)); font-weight: 800; box-shadow: 0 10px 24px rgba(41,128,254,.22); transition: transform .2s ease, box-shadow .2s ease; }
.download-btn:hover, .download-btn:focus-visible { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(41,128,254,.28); }
.header-download { min-height: 42px; padding: 8px 17px; white-space: nowrap; }
.more-button { width: 44px; height: 44px; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: 4px; border: 1px solid var(--border); background: var(--white); border-radius: 12px; cursor: pointer; }
.more-button span { width: 19px; height: 2px; background: var(--text); border-radius: 10px; }

.mobile-menu { position: fixed; inset: 0; z-index: 2000; visibility: hidden; pointer-events: none; }
.mobile-menu.is-open { visibility: visible; pointer-events: auto; }
.mobile-menu-backdrop { position: absolute; inset: 0; width: 100%; height: 100%; padding: 0; border: 0; background: rgba(15,39,71,.55); opacity: 0; transition: opacity .25s ease; }
.mobile-menu-panel { position: absolute; inset: 0 0 0 auto; width: min(92vw, 520px); min-height: 100%; padding: 18px 18px 30px; overflow-y: auto; background: var(--white); transform: translateX(100%); transition: transform .25s ease; }
.mobile-menu.is-open .mobile-menu-backdrop { opacity: 1; }
.mobile-menu.is-open .mobile-menu-panel { transform: translateX(0); }
.menu-open { overflow: hidden; }
.mobile-menu-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.mobile-close { width: 44px; height: 44px; border: 1px solid var(--border); border-radius: 12px; background: var(--white); font-size: 27px; line-height: 1; cursor: pointer; }
.mobile-home { min-height: 48px; display: flex; align-items: center; padding: 0 4px; margin-top: 8px; font-weight: 800; color: var(--blue-deep); }
.mobile-accordion { border-top: 1px solid var(--border); }
.mobile-accordion > button { width: 100%; min-height: 54px; display: flex; align-items: center; justify-content: space-between; padding: 0 4px; border: 0; background: transparent; font-weight: 800; cursor: pointer; }
.mobile-accordion-panel { display: none; padding: 0 0 12px 12px; }
.mobile-accordion-panel.is-open { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.mobile-accordion-panel a { min-height: 44px; display: flex; align-items: center; padding: 8px 12px; border-radius: 10px; background: var(--gray-soft); color: var(--body); font-size: 14px; }
.mobile-menu-download { width: 100%; margin-top: 18px; }

main { display: block; }
.container { width: min(calc(100% - 40px), var(--content)); margin: 0 auto; }
.section { padding: 96px 0; }
.section-sm { padding: 68px 0; }
.section-soft { background: var(--blue-pale); }
.section-gray { background: var(--gray-soft); }
.section-green { background: var(--green-soft); }
.section-orange { background: var(--orange-soft); }
.section-dark { background: linear-gradient(135deg, #102a4c, #164d8d); color: var(--white); }
.section-heading { max-width: 760px; margin-bottom: 38px; }
.eyebrow { display: inline-flex; align-items: center; min-height: 30px; padding: 4px 11px; border-radius: 999px; background: var(--blue-soft); color: var(--blue-deep); font-size: 13px; font-weight: 800; letter-spacing: .04em; }
.section-heading h2, .content-heading h2 { margin: 14px 0 12px; font-size: clamp(30px, 4vw, 46px); line-height: 1.2; letter-spacing: -.03em; }
.section-heading p, .content-heading p { margin: 0; color: var(--body); font-size: 17px; }
.section-dark .section-heading p, .section-dark .content-heading p { color: #d9e8fb; }
.text-link { display: inline-flex; align-items: center; gap: 7px; color: var(--blue-deep); font-weight: 800; }
.text-link::after { content: "→"; transition: transform .2s ease; }
.text-link:hover::after { transform: translateX(4px); }
.btn-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.btn-secondary { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 10px 20px; border: 1px solid var(--border); border-radius: 13px; background: var(--white); color: var(--blue-deep); font-weight: 800; }
.btn-secondary:hover, .btn-secondary:focus-visible { border-color: var(--blue); background: var(--blue-pale); }

.hero { position: relative; overflow: hidden; padding: 78px 0 54px; background: radial-gradient(circle at 78% 20%, rgba(41,128,254,.20), transparent 31%), linear-gradient(180deg, #fbfdff, var(--blue-pale)); }
.hero::before { content: ""; position: absolute; width: 380px; height: 380px; left: -180px; top: -160px; border-radius: 50%; background: rgba(41,128,254,.07); }
.hero-grid { position: relative; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(390px, .95fr); align-items: center; gap: 56px; }
.hero-copy h1 { margin: 16px 0 20px; max-width: 720px; font-size: clamp(44px, 6vw, 72px); line-height: 1.08; letter-spacing: -.05em; }
.hero-copy .lead { max-width: 700px; margin: 0 0 18px; color: var(--body); font-size: clamp(18px, 2vw, 21px); }
.hero-copy .supporting { max-width: 720px; margin: 0; color: var(--muted); }
.hero-visual { position: relative; min-height: 500px; display: grid; place-items: center; }
.hero-visual::before { content: ""; position: absolute; inset: 8% 4%; border-radius: 44px; background: linear-gradient(145deg, rgba(255,255,255,.9), rgba(234,243,255,.58)); border: 1px solid rgba(255,255,255,.9); box-shadow: var(--shadow); transform: rotate(-3deg); }
.hero-visual img { position: relative; z-index: 1; max-height: 500px; width: auto; object-fit: contain; }
.float-tag { position: absolute; z-index: 2; min-width: 130px; padding: 10px 14px; border: 1px solid rgba(220,230,242,.9); border-radius: 13px; background: rgba(255,255,255,.94); box-shadow: 0 12px 30px rgba(31,76,133,.12); color: var(--blue-deep); font-weight: 800; text-align: center; }
.float-tag.one { left: -10px; top: 15%; }.float-tag.two { right: -12px; top: 42%; }.float-tag.three { left: 2%; bottom: 12%; }

.principles { position: relative; margin-top: -10px; padding-bottom: 28px; background: var(--blue-pale); }
.principle-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.principle-item { padding: 22px; border: 1px solid var(--border); border-radius: 18px; background: rgba(255,255,255,.92); }
.principle-item strong { display: block; margin-bottom: 7px; color: var(--blue-deep); font-size: 17px; }
.principle-item p { margin: 0; color: var(--body); font-size: 14px; }

.category-grid { display: grid; gap: 18px; }
.category-grid.primary { grid-template-columns: repeat(4, 1fr); }
.category-grid.tools { grid-template-columns: repeat(4, 1fr); margin-top: 18px; }
.category-grid.knowledge { grid-template-columns: repeat(4, 1fr); margin-top: 18px; }
.category-card { position: relative; overflow: hidden; min-height: 230px; padding: 28px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--white); box-shadow: 0 13px 35px rgba(33,79,139,.07); }
.category-card::before { content: attr(data-number); display: inline-grid; place-items: center; width: 38px; height: 38px; margin-bottom: 34px; border-radius: 12px; background: var(--blue-soft); color: var(--blue-deep); font-weight: 900; }
.category-card h3 { margin: 0 0 9px; font-size: 22px; }
.category-card p { margin: 0 0 20px; color: var(--body); }
.category-card.featured { background: linear-gradient(145deg, var(--white), var(--blue-pale)); }
.tool-strip { min-height: 176px; display: flex; flex-direction: column; justify-content: space-between; padding: 24px; border-radius: 18px; border-left: 4px solid var(--blue); background: var(--gray-soft); }
.tool-strip h3, .knowledge-card h3 { margin: 0 0 7px; font-size: 19px; }
.tool-strip p, .knowledge-card p { margin: 0 0 14px; color: var(--body); font-size: 14px; }
.knowledge-card { min-height: 190px; padding: 25px; border-radius: 22px; background: linear-gradient(135deg, #f8fbff, #edf5ff); border: 1px solid #d8e8fb; }

.path-grid { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.path-step { position: relative; min-height: 190px; padding: 26px 24px 24px 76px; border-radius: 20px; background: var(--white); border: 1px solid var(--border); }
.path-number { position: absolute; left: 22px; top: 24px; width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; background: var(--blue); color: white; font-weight: 900; box-shadow: 0 8px 18px rgba(41,128,254,.25); }
.path-step h3 { margin: 0 0 8px; font-size: 18px; }
.path-step p { margin: 0; color: var(--body); font-size: 14px; }
.path-step a { display: inline-block; margin-top: 12px; color: var(--blue-deep); font-weight: 800; font-size: 13px; }

.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 64px; }
.split.reverse .media-panel { order: 2; }
.media-panel { min-height: 460px; display: grid; place-items: center; padding: 30px; border-radius: 32px; background: linear-gradient(145deg, var(--blue-pale), var(--white)); border: 1px solid var(--border); }
.media-panel img { max-height: 430px; width: auto; object-fit: contain; }
.content-heading ul, .check-list, .plain-list { padding: 0; margin: 22px 0 0; list-style: none; }
.content-heading li, .check-list li, .plain-list li { position: relative; padding-left: 29px; margin: 10px 0; color: var(--body); }
.content-heading li::before, .check-list li::before, .plain-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--blue); font-weight: 900; }

.tool-combo { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; }
.tool-main { min-height: 450px; padding: 42px; border-radius: 28px; background: linear-gradient(145deg, #175faf, #2980fe); color: white; }
.tool-main .eyebrow { background: rgba(255,255,255,.16); color: white; }
.tool-main h3 { margin: 18px 0 12px; font-size: 38px; }
.tool-main p { color: #e4efff; }
.tool-main ul { margin: 28px 0; padding-left: 20px; }
.tool-main .text-link { color: white; }
.tool-side { display: grid; gap: 16px; }
.mini-tool { padding: 24px; border-radius: 20px; background: white; border: 1px solid var(--border); }
.mini-tool h3 { margin: 0 0 7px; }
.mini-tool p { margin: 0 0 14px; color: var(--body); }

.safety-panel { display: grid; grid-template-columns: .8fr 1.2fr; gap: 46px; padding: 46px; border-radius: 30px; background: var(--green-soft); border: 1px solid #cfeade; }
.safety-checks { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.safety-checks span { min-height: 54px; display: flex; align-items: center; padding: 12px 14px 12px 42px; position: relative; border-radius: 14px; background: rgba(255,255,255,.78); color: #245849; font-weight: 700; }
.safety-checks span::before { content: ""; position: absolute; left: 15px; width: 16px; height: 16px; border: 2px solid #3c9d7c; border-radius: 5px; }
.alert-note { margin-top: 20px; padding: 18px 20px; border-radius: 16px; background: var(--orange-soft); color: #72501f; }
.alert-note strong { color: #8f5e16; }

.dual-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.info-card { padding: 30px; border-radius: 22px; border: 1px solid var(--border); background: white; }
.info-card h3 { margin: 0 0 10px; font-size: 24px; }
.info-card p { color: var(--body); }
.info-card.blue { background: var(--blue-pale); }.info-card.orange { background: var(--orange-soft); }
.topic-band { display: grid; grid-template-columns: 1fr 1fr; gap: 38px; padding: 44px; border-radius: 28px; background: linear-gradient(135deg, #eff6ff, #ffffff); border: 1px solid var(--border); }
.topic-band h3 { font-size: 30px; margin: 0 0 12px; }
.topic-band p { color: var(--body); }
.topic-list { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.topic-list a { min-height: 54px; display: flex; align-items: center; padding: 12px 15px; border-radius: 14px; background: white; border: 1px solid var(--border); color: var(--blue-deep); font-weight: 800; }

.platform-panel { display: grid; grid-template-columns: 1fr .85fr; gap: 40px; padding: 46px; border-radius: 30px; background: linear-gradient(135deg, #102a4c, #1765b9); color: white; }
.platform-panel p { color: #dcecff; }
.platform-steps { counter-reset: platform; display: grid; gap: 12px; }
.platform-steps div { counter-increment: platform; position: relative; padding: 16px 16px 16px 56px; border-radius: 15px; background: rgba(255,255,255,.10); border: 1px solid rgba(255,255,255,.15); }
.platform-steps div::before { content: counter(platform, decimal-leading-zero); position: absolute; left: 16px; top: 14px; color: #a9d2ff; font-weight: 900; }

.academy-grid { display: grid; grid-template-columns: 1.35fr repeat(2, .8fr); gap: 18px; }
.academy-feature { grid-row: span 2; min-height: 430px; padding: 38px; border-radius: 26px; background: linear-gradient(145deg, var(--blue-deep), var(--blue)); color: white; }
.academy-feature p { color: #deebff; }
.academy-item { min-height: 205px; padding: 24px; border-radius: 20px; border: 1px solid var(--border); background: white; }
.academy-item h3 { margin: 0 0 8px; font-size: 19px; }
.academy-item p { margin: 0 0 14px; color: var(--body); font-size: 14px; }

.review-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.review-card { min-height: 190px; padding: 26px; border-radius: 20px; background: white; border: 1px solid var(--border); }
.review-card::before { content: "“"; display: block; height: 32px; color: var(--blue); font-size: 46px; line-height: .8; font-weight: 900; }
.review-card p { color: var(--body); }
.review-card span { color: var(--muted); font-size: 13px; font-weight: 700; }

.faq-list { display: grid; gap: 12px; }
details { border: 1px solid var(--border); border-radius: 16px; background: white; overflow: hidden; }
summary { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px 20px; cursor: pointer; font-weight: 800; list-style: none; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--blue); font-size: 24px; }
details[open] summary::after { content: "−"; }
details p { margin: 0; padding: 0 20px 22px; color: var(--body); }

.cta-panel { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 30px; padding: 46px; border-radius: 30px; background: linear-gradient(135deg, var(--blue), var(--blue-deep)); color: white; }
.cta-panel h2 { margin: 0 0 8px; font-size: clamp(30px, 4vw, 44px); }
.cta-panel p { margin: 0; color: #e0edff; }
.cta-panel .download-btn { background: white; color: var(--blue-deep); border-color: white; }

.page-hero { padding: 76px 0 68px; background: radial-gradient(circle at 80% 15%, rgba(41,128,254,.16), transparent 28%), linear-gradient(180deg, #fbfdff, var(--blue-pale)); }
.page-hero-grid { display: grid; grid-template-columns: 1.12fr .88fr; align-items: center; gap: 50px; }
.page-hero h1 { margin: 15px 0 16px; font-size: clamp(42px, 5.5vw, 64px); line-height: 1.1; letter-spacing: -.045em; }
.page-hero p { margin: 0; max-width: 720px; color: var(--body); font-size: 18px; }
.page-hero-visual { min-height: 330px; display: grid; place-items: center; padding: 28px; border-radius: 28px; background: rgba(255,255,255,.78); border: 1px solid var(--border); }
.page-hero-visual img { max-height: 340px; width: auto; object-fit: contain; }
.page-hero-visual .visual-mark { width: 180px; height: 180px; display: grid; place-items: center; border-radius: 42px; background: linear-gradient(145deg, var(--blue), var(--blue-deep)); color: white; font-size: 54px; font-weight: 900; box-shadow: 0 24px 50px rgba(41,128,254,.22); }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 42px; align-items: start; }
.article { min-width: 0; }
.article section { margin-bottom: 48px; }
.article h2 { margin: 0 0 15px; font-size: 32px; line-height: 1.3; }
.article h3 { margin: 25px 0 10px; font-size: 21px; }
.article p { color: var(--body); }
.article-card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 22px; }
.article-card { padding: 24px; border: 1px solid var(--border); border-radius: 18px; background: white; }
.article-card h3 { margin: 0 0 8px; }
.article-card p { margin: 0; font-size: 15px; }
.number-list { counter-reset: item; display: grid; gap: 14px; padding: 0; list-style: none; }
.number-list li { counter-increment: item; position: relative; min-height: 72px; padding: 17px 18px 17px 68px; border-radius: 16px; background: var(--gray-soft); color: var(--body); }
.number-list li::before { content: counter(item); position: absolute; left: 18px; top: 16px; width: 36px; height: 36px; display: grid; place-items: center; border-radius: 11px; background: var(--blue); color: white; font-weight: 900; }
.sidebar { position: sticky; top: 98px; display: grid; gap: 16px; }
.sidebar-card { padding: 24px; border: 1px solid var(--border); border-radius: 20px; background: var(--blue-pale); }
.sidebar-card h2 { margin: 0 0 12px; font-size: 20px; }
.sidebar-card p { margin: 0 0 15px; color: var(--body); font-size: 14px; }
.sidebar-links { display: grid; gap: 8px; }
.sidebar-links a { min-height: 44px; display: flex; align-items: center; justify-content: space-between; padding: 9px 12px; border-radius: 11px; background: white; color: var(--blue-deep); font-weight: 800; font-size: 14px; }
.sidebar-links a::after { content: "→"; }
.notice { padding: 20px 22px; border-left: 4px solid var(--blue); border-radius: 14px; background: var(--blue-pale); color: var(--body); }
.notice.warning { border-left-color: #e49a2a; background: var(--orange-soft); }
.notice.safe { border-left-color: #3c9d7c; background: var(--green-soft); }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 16px; }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { padding: 15px 17px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
th { background: var(--blue-pale); color: var(--blue-deep); }
tr:last-child td { border-bottom: 0; }

.site-footer { padding: 70px max(20px, calc((100% - var(--content))/2)) 24px; background: var(--footer); color: white; }
.footer-grid { display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 32px; }
.footer-brand p { color: #bed0e5; font-size: 14px; }
.footer-brand img { filter: brightness(0) invert(1); max-height: 42px; width: auto; }
.footer-download { margin-top: 8px; }
.footer-grid h2 { margin: 0 0 14px; font-size: 16px; }
.footer-grid > div:not(.footer-brand) a { display: block; margin: 8px 0; color: #c7d7e9; font-size: 14px; }
.footer-grid a:hover { color: white; }
.footer-risk { margin-top: 38px; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.13); border-bottom: 1px solid rgba(255,255,255,.13); }
.footer-risk strong { color: #a9d2ff; }
.footer-risk p { margin: 5px 0 0; color: #b9cce1; font-size: 13px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 22px; color: #9fb5cc; font-size: 13px; }

@media (max-width: 1240px) {
  .header-inner { width: min(calc(100% - 24px), 1200px); gap: 12px; }
  .nav-link { padding: 0 7px; font-size: 14px; }
  .brand img { max-width: 132px; }
  .mega-menu { width: 580px; }
  .mega-menu-wide { width: 690px; }
}

@media (max-width: 1080px) {
  .desktop-nav { display: none; }
  .more-button { display: flex; }
  .header-inner { min-height: 68px; }
  .header-download { min-height: 40px; }
  .hero-grid, .page-hero-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .category-grid.primary, .category-grid.tools, .category-grid.knowledge { grid-template-columns: repeat(2, 1fr); }
  .principle-grid { grid-template-columns: repeat(2, 1fr); }
  .path-grid { grid-template-columns: repeat(2, 1fr); }
  .academy-grid { grid-template-columns: 1.2fr 1fr; }
  .academy-feature { grid-row: span 3; }
  .review-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr repeat(2, 1fr); }
  .content-grid { grid-template-columns: 1fr 285px; gap: 28px; }
}

@media (max-width: 820px) {
  .section { padding: 72px 0; }
  .hero { padding-top: 52px; }
  .hero-grid, .page-hero-grid, .split, .tool-combo, .safety-panel, .topic-band, .platform-panel, .content-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 390px; }
  .hero-visual img { max-height: 390px; }
  .float-tag.one { left: 0; }.float-tag.two { right: 0; }
  .split.reverse .media-panel { order: initial; }
  .media-panel { min-height: 360px; }
  .tool-main { min-height: auto; }
  .safety-panel, .platform-panel { padding: 34px; }
  .academy-grid { grid-template-columns: 1fr 1fr; }
  .academy-feature { grid-row: auto; grid-column: 1 / -1; min-height: 330px; }
  .page-hero-visual { min-height: 260px; }
  .sidebar { position: static; grid-row: auto; }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}

@media (max-width: 620px) {
  .container { width: min(calc(100% - 28px), var(--content)); }
  .header-inner { width: calc(100% - 20px); }
  .brand img { max-width: 120px; max-height: 36px; }
  .header-actions { gap: 6px; }
  .header-download { min-height: 40px; padding: 7px 12px; font-size: 13px; border-radius: 11px; }
  .more-button { width: 40px; height: 40px; }
  .mobile-menu-panel { width: 100%; }
  .mobile-accordion-panel.is-open { grid-template-columns: 1fr; }
  .hero-copy h1, .page-hero h1 { font-size: clamp(38px, 11vw, 52px); }
  .hero-grid { display: flex; flex-direction: column; }
  .hero-copy { width: 100%; }
  .hero-visual { width: 100%; min-height: 340px; }
  .hero-visual img { max-height: 330px; }
  .float-tag { min-width: 105px; padding: 8px 10px; font-size: 12px; }
  .float-tag.one { top: 12%; }.float-tag.two { top: 45%; }.float-tag.three { left: 0; }
  .principle-grid, .category-grid.primary, .category-grid.tools, .category-grid.knowledge, .path-grid, .dual-cards, .safety-checks, .topic-list, .academy-grid, .review-grid, .article-card-grid { grid-template-columns: 1fr; }
  .category-card, .tool-strip, .knowledge-card { min-height: auto; }
  .category-card::before { margin-bottom: 24px; }
  .path-step { min-height: auto; }
  .media-panel { min-height: 300px; padding: 20px; }
  .media-panel img { max-height: 290px; }
  .safety-panel, .platform-panel, .topic-band, .cta-panel { padding: 27px 22px; }
  .tool-main { padding: 30px 24px; }
  .tool-main h3 { font-size: 31px; }
  .academy-feature { min-height: auto; padding: 30px 24px; }
  .cta-panel { grid-template-columns: 1fr; }
  .cta-panel .download-btn { width: 100%; }
  .page-hero { padding: 52px 0 48px; }
  .page-hero-grid { display: flex; flex-direction: column; }
  .page-hero-visual { width: 100%; min-height: 220px; }
  .page-hero-visual .visual-mark { width: 140px; height: 140px; border-radius: 34px; font-size: 42px; }
  .article h2 { font-size: 27px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; }
}