:root {
  --ink: #0b1f3a;
  --body: #344963;
  --muted: #6b7c91;
  --blue: #0756a8;
  --blue-dark: #063c78;
  --teal: #08a6a0;
  --green: #158675;
  --yellow: #f2b830;
  --coral: #dc6d54;
  --line: #d9e4ec;
  --soft: #f3f7fa;
  --white: #fff;
  --shell: 1680px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--white); color: var(--ink); font: 15px/1.65 "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif; }
body, button, a { letter-spacing: 0; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; }
.shell { width: min(var(--shell), calc(100% - 48px)); margin: 0 auto; }
.sr-only, .skip-link { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link:focus { z-index: 100; width: auto; height: auto; clip: auto; left: 16px; top: 16px; padding: 10px 14px; color: #fff; background: var(--blue); }

.site-header { position: sticky; top: 0; z-index: 30; min-height: 76px; border-bottom: 1px solid rgba(9,39,74,.10); background: rgba(255,255,255,.97); }
.header-inner { min-height: 76px; display: grid; grid-template-columns: auto minmax(0,1fr) auto auto; align-items: center; gap: clamp(14px,2vw,32px); }
.brand { min-width: 224px; display: inline-flex; align-items: center; gap: 11px; text-decoration: none; }
.brand img { width: 48px; height: 48px; object-fit: cover; border: 2px solid #d7e9f7; border-radius: 50%; }
.brand span { display: grid; line-height: 1.25; }
.brand strong { font-size: 17px; }
.brand small { margin-top: 3px; color: var(--muted); font-size: 10px; font-weight: 700; }
.main-nav { display: flex; justify-content: center; align-items: center; gap: clamp(18px,1.7vw,30px); }
.main-nav a { position: relative; padding: 26px 0 24px; color: #31465e; font-size: 14px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.main-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 18px; height: 2px; background: var(--teal); transition: right .2s ease; }
.main-nav a:hover::after, .main-nav a:focus-visible::after { right: 0; }
.main-nav a.account-nav-link { display: inline-flex; align-items: center; gap: 7px; }
.nav-member-level { padding: 3px 7px; border: 1px solid #d8bd54; border-radius: 4px; color: #735707; background: #fff8dc; font-size: 11px; line-height: 1.45; }
.nav-account-name { max-width: 112px; overflow: hidden; color: var(--ink); text-overflow: ellipsis; }
.menu-button { display: none; width: 42px; height: 42px; place-items: center; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink); font-size: 20px; cursor: pointer; }

.button { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; padding: 10px 18px; border: 1px solid transparent; border-radius: 6px; font-weight: 800; text-decoration: none; white-space: nowrap; transition: transform .2s ease, box-shadow .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: #fff; background: var(--blue); box-shadow: 0 8px 22px rgba(7,86,168,.18); }
.button-primary:hover { background: var(--blue-dark); }
.button-secondary { color: var(--ink); border-color: #a9b9c8; background: rgba(255,255,255,.9); }
.button-secondary:hover { border-color: var(--blue); color: var(--blue); }

.notice-bar { min-height: 38px; display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: 14px; padding: 0 max(24px, calc((100% - var(--shell))/2)); color: #dceeff; background: #092d58; font-size: 12px; overflow: hidden; }
.notice-label { padding-right: 14px; border-right: 1px solid rgba(255,255,255,.25); color: #fff; font-weight: 800; }
.notice-viewport { min-width: 0; overflow: hidden; }
.notice-track { width: max-content; display: flex; gap: 90px; white-space: nowrap; animation: notice-scroll 24s linear infinite; }
.notice-track:hover { animation-play-state: paused; }
.notice-bar > a { color: #fff; font-weight: 800; text-decoration: none; white-space: nowrap; }
@keyframes notice-scroll { to { transform: translateX(calc(-50% - 45px)); } }

.online-tools-strip { border-bottom: 1px solid #cfe0e8; background: #eef7f7; }
.online-tools-inner { min-height: 82px; display: grid; grid-template-columns: minmax(220px,.65fr) minmax(520px,1.35fr); align-items: center; gap: 32px; }
.online-tools-heading { min-width: 0; display: flex; align-items: center; gap: 12px; }
.online-status-dot { width: 10px; height: 10px; flex: 0 0 10px; border: 3px solid #c8ece7; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(21,134,117,.08); }
.online-tools-heading div { min-width: 0; display: grid; }
.online-tools-heading strong { font-size: 17px; }
.online-tools-heading small { color: var(--muted); font-size: 12px; }
.online-tools-actions { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.online-tools-actions a { min-width: 0; min-height: 58px; display: grid; grid-template-columns: 38px minmax(0,1fr) auto; align-items: center; gap: 12px; padding: 9px 14px; border: 1px solid #bdd7d8; border-radius: 7px; background: rgba(255,255,255,.88); text-decoration: none; transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease; }
.online-tools-actions a:hover { transform: translateY(-2px); border-color: var(--teal); box-shadow: 0 8px 20px rgba(20,70,80,.08); }
.online-tool-mark { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 6px; color: #fff; background: var(--blue); font-size: 10px; font-weight: 900; }
.online-tool-mark.tcid-mark { background: var(--green); }
.online-tools-actions a > span:nth-child(2) { min-width: 0; display: grid; }
.online-tools-actions strong { overflow: hidden; font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
.online-tools-actions small { overflow: hidden; color: var(--muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.online-tools-actions b { color: var(--blue); font-size: 18px; }

.hero { position: relative; min-height: 620px; display: flex; align-items: center; overflow: hidden; border-bottom: 1px solid var(--line); background: #fff url("../images/brand-hero.webp") center center / cover no-repeat; }
.hero-inner { position: relative; z-index: 1; padding: 64px 0 70px; }
.eyebrow, .section-index { margin: 0 0 12px; color: var(--green); font-size: 11px; font-weight: 900; }
.hero h1 { max-width: 560px; margin: 0; font-size: 64px; line-height: 1.08; font-weight: 900; }
.hero-lead { max-width: 570px; margin: 22px 0 0; color: var(--blue); font-size: 22px; font-weight: 800; }
.hero-copy { max-width: 540px; margin: 12px 0 0; color: var(--body); font-size: 16px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.hero-facts { display: flex; flex-wrap: wrap; gap: 28px; margin-top: 42px; color: var(--muted); font-size: 13px; }
.hero-facts span { padding-left: 11px; border-left: 2px solid var(--teal); }
.hero-facts strong { margin-right: 4px; color: var(--ink); }

.start-section { padding: 40px 0 54px; border-bottom: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; margin-bottom: 30px; }
.section-heading.compact { margin-bottom: 18px; }
.section-heading h2 { max-width: 720px; margin: 0; font-size: 38px; line-height: 1.22; }
.section-heading > p { max-width: 430px; margin: 0; color: var(--muted); }
.start-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.start-item { min-height: 112px; display: grid; grid-template-columns: 48px 1fr auto; align-items: center; gap: 18px; padding: 22px 24px; border: 1px solid var(--line); border-radius: 8px; text-decoration: none; transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease; }
.start-item:hover { transform: translateY(-3px); border-color: #9bb6ca; box-shadow: 0 14px 30px rgba(23,54,84,.08); }
.new-user { background: #fffaf0; border-color: #eed9a9; }
.returning-user { background: #eff9f7; border-color: #b7ddd6; }
.start-number { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; color: var(--coral); font-size: 12px; font-weight: 900; }
.returning-user .start-number { color: var(--green); }
.start-item > span:nth-child(2) { display: grid; gap: 3px; }
.start-item strong { font-size: 18px; }
.start-item small { color: var(--muted); }
.start-item > span:last-child { font-size: 23px; }

.resources-section { padding: 72px 0 78px; border-bottom: 1px solid var(--line); background: #fff; }
.resource-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.resource-item { min-width: 0; min-height: 272px; display: grid; grid-template-rows: auto 1fr auto; align-items: start; gap: 22px; padding: 25px; border: 1px solid var(--line); border-top: 4px solid #7c9cc3; border-radius: 8px; background: #fff; }
.resource-item:nth-child(2) { border-top-color: var(--teal); }
.resource-item:nth-child(3) { border-top-color: var(--coral); }
.resource-primary { background: #f7fbff; }
.resource-icon { width: 56px; height: 56px; display: grid; place-items: center; overflow: hidden; border: 1px solid #b7c7d5; border-radius: 7px; color: var(--blue); background: #edf5fc; font-size: 16px; font-weight: 900; }
.resource-icon img { width: 100%; height: 100%; object-fit: cover; }
.fiji-resource { color: #087c78; border-color: #9fd4cc; background: #eaf9f7; }
.prism-resource { color: #a54f3b; border-color: #e2b4a9; background: #fff3ef; }
.resource-type { margin: 0 0 6px; color: var(--green); font-size: 10px; font-weight: 900; }
.resource-item h3 { margin: 0 0 8px; font-size: 21px; }
.resource-item div > p:last-child { margin: 0; color: var(--muted); }
.platform-note { display: block; margin-top: 10px; color: var(--blue); font-size: 11px; font-weight: 800; }
.resource-item .button { width: fit-content; }
.resources-more { width: fit-content; display: flex; align-items: center; gap: 9px; margin: 22px 0 0 auto; color: var(--blue); font-size: 13px; font-weight: 800; text-decoration: none; }

.products-section { padding: 82px 0 92px; background: var(--soft); }
.filter-control { width: fit-content; display: flex; margin-bottom: 20px; border: 1px solid #b9c9d5; border-radius: 6px; overflow: hidden; background: #fff; }
.filter-control button { min-width: 92px; height: 38px; padding: 0 14px; border: 0; border-right: 1px solid var(--line); color: #4d6075; background: #fff; cursor: pointer; }
.filter-control button:last-child { border-right: 0; }
.filter-control button.active { color: #fff; background: var(--blue); font-weight: 800; }
.module-grid { display: grid; grid-template-columns: repeat(12, minmax(0,1fr)); gap: 16px; }
.module-card { min-width: 0; grid-column: span 4; overflow: hidden; display: grid; grid-template-rows: clamp(230px,16vw,280px) 1fr; border: 1px solid var(--line); border-radius: 8px; color: inherit; background: #fff; text-decoration: none; transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.module-card:hover { transform: translateY(-4px); border-color: #9eb5c8; box-shadow: 0 18px 38px rgba(22,49,78,.10); }
.module-card[hidden] { display: none; }
.module-wide { grid-column: span 8; grid-template-columns: 1fr; grid-template-rows: clamp(230px,16vw,280px) 1fr; }
.module-double { grid-column: span 8; }
.module-media { min-width: 0; overflow: hidden; border-bottom: 1px solid var(--line); background: #eef3f7; }
.module-media img { width: 100%; height: 100%; object-fit: contain; object-position: center; background: #fff; }
.module-wide .module-media { border-right: 0; border-bottom: 1px solid var(--line); }
.wb-media { display: grid; grid-template-columns: 1fr 1fr; }
.wb-media img:first-child { border-right: 1px solid var(--line); }
.module-copy { min-width: 0; display: flex; flex-direction: column; align-items: flex-start; padding: 24px; }
.module-code { min-width: 34px; height: 30px; display: inline-grid; place-items: center; padding: 0 8px; border-radius: 5px; color: var(--blue); background: #e6f0fb; font-size: 11px; font-weight: 900; }
.module-copy h3 { margin: 15px 0 8px; font-size: 22px; line-height: 1.3; }
.module-copy p { flex: 1; margin: 0 0 22px; color: var(--muted); }
.access-tag { display: inline-flex; padding: 4px 8px; border: 1px solid; border-radius: 5px; font-size: 11px; font-weight: 800; }
.access-tag.gold { color: #8a6506; border-color: #dec568; background: #fffaf0; }
.access-tag.silver { color: #365d98; border-color: #aac4ea; background: #f3f7ff; }
.access-tag.registered { color: #197266; border-color: #9fd4cc; background: #f2fbf9; }
.calculator-card { grid-template-rows: clamp(230px,16vw,280px) 1fr; }
.calculator-visual { display: grid; place-content: center; gap: 5px; text-align: center; border-bottom: 1px solid var(--line); }
.calculator-visual strong { font-size: 34px; line-height: 1; }
.calculator-visual span { color: var(--muted); font-size: 12px; }
.moi-visual { color: #a05215; background: #fff3e1; }
.tcid-visual { color: #075f88; background: #e9f5fa; }
.cell-visual { color: #087c78; background: #eaf9f7; }

.workflow-section { padding: 68px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.workflow-grid { display: grid; grid-template-columns: minmax(360px,.68fr) minmax(0,1.32fr); gap: 72px; align-items: start; }
.workflow-copy { padding-top: 34px; }
.workflow-copy h2 { margin: 0 0 20px; font-size: 42px; line-height: 1.2; }
.workflow-copy > p:not(.section-index) { margin: 0; color: var(--muted); font-size: 16px; }
.preview-tabs { display: flex; flex-wrap: wrap; margin-top: 30px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.preview-tabs button { min-height: 44px; padding: 0 13px; border: 0; border-right: 1px solid var(--line); color: var(--muted); background: #fff; cursor: pointer; }
.preview-tabs button.active { color: var(--blue); box-shadow: inset 0 -3px var(--blue); font-weight: 800; }
.preview-caption { min-height: 72px; display: grid; gap: 4px; margin-top: 18px; }
.preview-caption strong { font-size: 17px; }
.preview-caption span { color: var(--muted); font-size: 13px; }
.software-preview { min-width: 0; overflow: hidden; border: 1px solid #b6c5d3; border-radius: 8px; background: #e8eef4; box-shadow: 0 24px 58px rgba(17,48,82,.15); }
.window-bar { height: 38px; display: flex; align-items: center; gap: 6px; padding: 0 13px; border-bottom: 1px solid #c8d4df; background: #f4f7f9; }
.window-bar > span { width: 9px; height: 9px; border-radius: 50%; background: #afbdc9; }
.window-bar > span:first-child { background: #dc6d54; }
.window-bar > span:nth-child(2) { background: var(--yellow); }
.window-bar > span:nth-child(3) { background: #4cae8b; }
.window-bar small { margin-left: 8px; color: var(--muted); }
.software-preview > img { width: 100%; height: auto !important; aspect-ratio: 1440/1000; object-fit: contain; object-position: center; background: #fff; }

.manuals-section { padding: 86px 0 92px; background: var(--soft); }
.manual-heading-action { max-width: 430px; display: grid; justify-items: end; gap: 14px; }
.manual-heading-action p { margin: 0; color: var(--muted); }
.manual-heading-action .button { min-height: 42px; }
.manual-list { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid #bac9d4; }
.manual-list a { min-width: 0; min-height: 110px; display: grid; grid-template-columns: 42px minmax(150px,.7fr) minmax(220px,1.3fr) auto; align-items: center; gap: 16px; padding: 20px 18px; border-right: 1px solid #bac9d4; border-bottom: 1px solid #bac9d4; color: inherit; text-decoration: none; transition: background .2s ease, color .2s ease; }
.manual-list a:nth-child(even) { border-right: 0; }
.manual-list a:hover { color: var(--blue); background: #fff; }
.manual-list a > span { color: var(--green); font-size: 11px; font-weight: 900; }
.manual-list strong { font-size: 17px; }
.manual-list small { color: var(--muted); }
.manual-list b { font-size: 20px; }

.membership-section { padding: 84px 0 88px; border-bottom: 1px solid var(--line); }
.membership-grid { display: grid; grid-template-columns: repeat(5,minmax(0,1fr)); gap: 14px; }
.member-card { min-height: 250px; display: flex; flex-direction: column; align-items: flex-start; padding: 28px; border: 1px solid var(--line); border-top-width: 4px; border-radius: 8px; background: #fff; }
.registered-card { border-top-color: var(--green); }
.silver-card { border-top-color: #7192bd; }
.gold-card { border-top-color: var(--yellow); }
.platinum-card { border-top-color: #655a91; }
.black-card { color: #f5f1e7; border-color: #34333a; border-top-color: #d6b85b; background: #202127; }
.black-card .member-level,.black-card p,.black-card h3 small { color: #c9c4b8; }
.black-card a { color: #e4c96f; }
.member-level { color: var(--muted); font-size: 12px; font-weight: 800; }
.member-card h3 { margin: 18px 0 8px; font-size: 31px; }
.member-card h3 small { color: var(--muted); font-size: 13px; font-weight: 500; }
.member-card p { flex: 1; margin: 0 0 22px; color: var(--muted); }
.member-card a { color: var(--blue); font-weight: 800; text-decoration: none; }
.short-plan { margin: 16px 0 0; color: var(--muted); font-size: 12px; text-align: right; }
@media(max-width:1180px){.membership-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.membership-grid{grid-template-columns:1fr}}

.support-section { padding: 74px 0; color: #fff; background: #092d58; }
.support-grid { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.support-section .section-index { color: #64d8d1; }
.support-section h2 { margin: 0 0 9px; font-size: 34px; }
.support-section p { margin: 0; color: #c7dced; }
.support-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.support-section .button-secondary { color: #fff; border-color: #7e9bb5; background: transparent; }

.download-title { padding: 68px 0 46px; border-bottom: 1px solid var(--line); background: #f4f8fb; }
.download-title h1 { margin: 0 0 12px; font-size: 48px; line-height: 1.18; }
.download-title p:not(.section-index) { max-width: 760px; margin: 0; color: var(--muted); font-size: 16px; }
.download-products { padding: 28px 0 76px; }
.platform-grid { display: grid; grid-template-columns: minmax(0,1.18fr) minmax(360px,.82fr); gap: 18px; }
.platform-panel { min-width: 0; min-height: 410px; display: grid; grid-template-rows: auto 1fr auto; gap: 28px; padding: 34px; border: 1px solid var(--line); border-top: 4px solid var(--blue); border-radius: 8px; background: #fff; }
.windows-panel { background: #f7fbff; }
.macos-panel { border-top-color: #7b8796; background: #f7f8fa; }
.platform-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.platform-symbol { width: 58px; height: 58px; display: grid; place-items: center; border: 1px solid #a9c4dc; border-radius: 8px; color: var(--blue); background: #eaf4fd; font-size: 13px; font-weight: 900; }
.mac-symbol { color: #4b5867; border-color: #c5ccd3; background: #fff; }
.platform-status { padding: 5px 9px; border: 1px solid; border-radius: 5px; font-size: 11px; font-weight: 800; }
.platform-status.available { color: var(--green); border-color: #9fd4cc; background: #effaf8; }
.platform-status.coming { color: #5e6b79; border-color: #c8d0d7; background: #fff; }
.platform-panel-copy h2 { margin: 0 0 10px; font-size: 31px; }
.platform-panel-copy > p:not(.section-index) { max-width: 690px; margin: 0; color: var(--muted); font-size: 16px; }
.platform-actions { display: flex; flex-wrap: wrap; gap: 9px; }
.mac-platform-actions { display: grid; }
.platform-download-option { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 14px; padding: 12px; border: 1px solid #c8d1da; border-radius: 6px; background: #fff; }
.platform-download-option > span { min-width: 0; display: grid; gap: 3px; }
.platform-download-option strong { font-size: 13px; }
.platform-download-option small { color: var(--muted); font-size: 10px; }
.platform-download-option small b { color: var(--body); font-weight: 800; }
.platform-download-option .button { white-space: nowrap; }
.button-disabled { color: #7a8794; border-color: #ccd3d9; background: #eceff2; cursor: default; }
.button-disabled:hover { transform: none; }
.dependency-heading { margin: 72px 0 24px; }
.dependency-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.dependency-grid .download-product { grid-template-columns: 74px minmax(0,1fr) auto; gap: 22px; padding: 28px; border: 1px solid var(--line); border-radius: 8px; }
.download-product { display: grid; grid-template-columns: 84px minmax(0,1fr) 230px; align-items: center; gap: 26px; padding: 30px 0; border-bottom: 1px solid var(--line); }
.download-product-icon { width: 72px; height: 72px; display: grid; place-items: center; overflow: hidden; border: 1px solid #b7c7d5; border-radius: 8px; color: var(--blue); background: #edf5fc; font-size: 21px; font-weight: 900; }
.download-product-icon img { width: 100%; height: 100%; object-fit: cover; }
.download-product-copy h2 { margin: 0 0 7px; font-size: 25px; }
.download-product-copy > p:not(.section-index) { margin: 0; color: var(--muted); }
.download-meta { display: flex; flex-wrap: wrap; gap: 7px 18px; margin-top: 14px; color: var(--muted); font-size: 11px; }
.download-meta strong { margin-left: 4px; color: var(--body); }
.download-product-actions { display: grid; gap: 8px; }
.download-product-actions small { color: var(--muted); font-size: 10px; }
.mac-companion-actions .button { width: 100%; white-space: nowrap; }
.fiji-icon { color: #8a6506; background: #fff8e7; }
.prism-icon { color: #5d4ba6; border-color: #c9bee9; background: #f4f1ff; }
.official-link { color: var(--blue); font-size: 11px; font-weight: 800; text-align: center; text-decoration: none; }
.official-link:hover { text-decoration: underline; }
.download-products { padding: 0; }
.windows-security-notice { display: grid; grid-template-columns: 38px minmax(0,1fr); gap: 15px; align-items: start; padding: 18px 20px; border: 1px solid #efc8a5; border-left: 4px solid #df7a28; border-radius: 7px; background: #fff9f3; }
.windows-security-icon, .download-confirm-symbol { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 50%; background: #df7a28; color: #fff; font-size: 20px; font-weight: 900; }
.windows-security-notice h3 { margin: 0 0 5px; font-size: 16px; }
.windows-security-notice p { margin: 0; color: #5d6877; font-size: 13px; line-height: 1.75; }
.download-confirm-layer { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; background: rgba(17,31,49,.62); }
.download-confirm-layer[hidden] { display: none; }
.download-confirm-dialog { width: min(620px,100%); display: grid; grid-template-columns: 44px minmax(0,1fr); gap: 18px; padding: 28px; border-radius: 9px; background: #fff; box-shadow: 0 28px 90px rgba(6,17,31,.35); }
.download-confirm-dialog h2 { margin: 5px 0 10px; font-size: 24px; }
.download-confirm-dialog p:not(.section-index) { margin: 0; color: var(--muted); line-height: 1.75; }
.download-confirm-points { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.download-confirm-points span { padding: 6px 9px; border: 1px solid #d6dee7; border-radius: 5px; color: #536273; background: #f7f9fb; font-size: 11px; }
.download-confirm-actions { grid-column: 1/-1; display: flex; justify-content: flex-end; gap: 9px; margin-top: 4px; }
.site-announcement-holder { position: relative; flex: 0 0 auto; }
.site-announcement-button { position: relative; height: 38px; display: inline-flex; align-items: center; gap: 7px; padding: 0 11px; border: 1px solid #c8d4df; border-radius: 7px; background: #fff; color: #32475d; font-weight: 750; }
.site-announcement-button svg { width: 17px; height: 17px; }
.site-announcement-button i { display: none; position: absolute; top: -6px; right: -6px; min-width: 18px; height: 18px; padding: 0 4px; border: 2px solid #fff; border-radius: 10px; background: #ef5b5b; color: #fff; font-size: 10px; font-style: normal; line-height: 14px; text-align: center; }
.site-announcement-button.has-unread i { display: block; }
.site-announcement-popover { position: absolute; z-index: 70; top: calc(100% + 10px); right: 0; width: min(370px,calc(100vw - 28px)); overflow: hidden; border: 1px solid #d8e1e9; border-radius: 8px; background: #fff; box-shadow: 0 20px 55px rgba(15,35,55,.18); }
.site-announcement-popover[hidden] { display: none; }
.site-announcement-popover > header { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid #e5eaf0; }
.site-announcement-popover > header strong { font-size: 15px; }
.site-announcement-popover > header span { color: var(--muted); font-size: 11px; }
.site-announcement-popover [data-site-announcement-preview] > button, .site-announcement-layout aside > button { width: 100%; display: grid; gap: 6px; padding: 13px 16px; border: 0; border-bottom: 1px solid #edf1f4; background: #fff; color: var(--body); text-align: left; }
.site-announcement-popover [data-site-announcement-preview] > button:hover, .site-announcement-layout aside > button:hover, .site-announcement-layout aside > button.active { background: #f5f9fb; }
.site-announcement-popover button span, .site-announcement-layout aside button span { font-size: 13px; font-weight: 760; line-height: 1.5; }
.site-announcement-popover button b, .site-announcement-layout aside button b { display: inline-block; margin-right: 7px; padding: 2px 5px; border-radius: 3px; background: #fff0ed; color: #d85649; font-size: 9px; }
.site-announcement-popover button time, .site-announcement-layout aside button time { color: #8591a0; font-size: 10px; }
.site-announcement-all { width: 100%; padding: 12px 16px; border: 0; background: #f7fafb; color: #177d75; font-size: 12px; text-align: left; }
.site-announcement-empty { padding: 24px 16px; color: var(--muted); font-size: 12px; }
.site-announcement-layer { position: fixed; inset: 0; z-index: 110; display: grid; place-items: center; padding: 20px; background: rgba(17,31,49,.62); }
.site-announcement-layer[hidden] { display: none; }
.site-announcement-dialog { width: min(920px,100%); height: min(680px,calc(100vh - 40px)); display: grid; grid-template-rows: auto minmax(0,1fr); overflow: hidden; border-radius: 9px; background: #fff; box-shadow: 0 28px 90px rgba(6,17,31,.35); }
.site-announcement-dialog > header { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; border-bottom: 1px solid #e2e8ee; }
.site-announcement-dialog > header h2 { margin: 3px 0 0; font-size: 23px; }
.site-announcement-dialog > header button { width: 36px; height: 36px; border: 1px solid #d4dde5; border-radius: 7px; background: #fff; color: #4b5b6b; font-size: 22px; }
.site-announcement-layout { min-height: 0; display: grid; grid-template-columns: 300px minmax(0,1fr); }
.site-announcement-layout aside { overflow: auto; border-right: 1px solid #e2e8ee; background: #f8fafb; }
.site-announcement-layout article { min-width: 0; overflow: auto; padding: 30px 34px; }
.site-announcement-detail-label { color: #17877c; font-size: 11px; font-weight: 850; letter-spacing: 0; }
.site-announcement-layout article h3 { margin: 8px 0 7px; font-size: 24px; line-height: 1.45; }
.site-announcement-layout article > time { color: #8591a0; font-size: 11px; }
.site-announcement-content { margin: 24px 0; color: #4b5968; font-size: 14px; line-height: 1.9; white-space: pre-wrap; overflow-wrap: anywhere; }
.os-download-band { padding: 66px 0 72px; border-bottom: 1px solid var(--line); }
.windows-download-band { background: #fff; }
.macos-download-band { background: #f4f7f9; }
.os-download-inner { display: grid; gap: 24px; }
.os-download-header { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding-bottom: 22px; border-bottom: 1px solid #b9c8d4; }
.os-heading-group { min-width: 0; display: flex; align-items: center; gap: 20px; }
.os-heading-group > div { min-width: 0; }
.os-heading-group h2 { margin: 0 0 7px; font-size: 34px; line-height: 1.15; }
.os-heading-group p:not(.section-index) { max-width: 720px; margin: 0; color: var(--muted); }
.os-mark { width: 66px; height: 66px; flex: 0 0 66px; display: grid; place-items: center; border: 1px solid; border-radius: 8px; font-size: 14px; font-weight: 900; }
.windows-mark { color: #0756a8; border-color: #a9c8e3; background: #edf6fd; }
.macos-mark { color: #303b48; border-color: #bcc5cd; background: #fff; }
.guide-button { white-space: nowrap; }
.workbench-download-card { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 34px; padding: 30px 32px; border: 1px solid #b9cad7; border-left: 5px solid var(--blue); border-radius: 8px; background: #f7fbff; }
.macos-workbench-card { grid-template-columns: minmax(280px,.72fr) minmax(540px,1.28fr); border-left-color: #1b786f; background: #fff; }
.workbench-download-copy { min-width: 0; }
.product-category { display: block; margin-bottom: 7px; color: var(--green); font-size: 11px; font-weight: 900; }
.workbench-download-copy h3 { margin: 0 0 8px; font-size: 27px; }
.workbench-download-copy > p { max-width: 720px; margin: 0; color: var(--muted); }
.workbench-download-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 9px; }
.companion-label { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 16px; }
.companion-label > span { color: var(--ink); font-size: 14px; font-weight: 900; }
.companion-label > p { margin: 0; color: var(--muted); font-size: 13px; }
.os-companion-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.companion-download-card { min-width: 0; display: grid; grid-template-columns: 68px minmax(0,1fr) auto; align-items: center; gap: 20px; min-height: 190px; padding: 24px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.companion-download-card .download-product-icon { width: 66px; height: 66px; }
.download-product-copy .system-pill { display: inline-flex; width: max-content; margin-bottom: 8px; padding: 4px 8px; border: 1px solid; border-radius: 5px; font-size: 10px; font-weight: 900; }
.windows-pill { color: #0756a8; border-color: #a8c9e4; background: #edf6fd; }
.macos-pill { color: #36505e; border-color: #bdcbd2; background: #f6f8f9; }
.companion-download-card .download-product-copy h3 { margin: 0 0 6px; font-size: 22px; }
.companion-download-card .download-product-copy > p:not(.section-index) { font-size: 13px; }
.architecture-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.architecture-option { min-width: 0; min-height: 154px; display: grid; grid-template-columns: 1fr; align-content: space-between; gap: 15px; padding: 17px; border: 1px solid; border-radius: 7px; }
.silicon-option { border-color: #8ebbb4; background: #f1faf8; }
.intel-option { border-color: #c5cbd4; background: #f7f8fa; }
.architecture-option > div { min-width: 0; display: grid; gap: 4px; }
.architecture-option strong { font-size: 19px; white-space: nowrap; }
.architecture-option small { color: var(--muted); font-size: 11px; }
.architecture-option small b { color: var(--ink); }
.architecture-label { width: max-content; padding: 3px 7px; border-radius: 4px; font-size: 9px; font-weight: 900; }
.silicon-label { color: #08675e; background: #dff3ef; }
.intel-label { color: #525f6e; background: #e8ecf0; }
.architecture-option .button { width: 100%; white-space: nowrap; }
.mac-fiji-card { grid-template-columns: 68px minmax(150px,.7fr) minmax(300px,1.3fr); }
.compact-architecture-actions { display: grid; gap: 8px; }
.compact-architecture-actions > div { display: grid; grid-template-columns: minmax(110px,1fr) auto; align-items: center; gap: 12px; }
.compact-architecture-actions span { min-width: 0; display: grid; }
.compact-architecture-actions b { font-size: 12px; }
.compact-architecture-actions small { color: var(--muted); font-size: 9px; }
.compact-architecture-actions .button { min-width: 128px; padding: 10px 12px; white-space: nowrap; }
.quick-steps { padding: 72px 0 88px; border-top: 1px solid var(--line); background: var(--soft); }
.quick-steps ol { display: grid; grid-template-columns: repeat(3,1fr); margin: 0; padding: 0; border-top: 1px solid #b9c8d4; border-bottom: 1px solid #b9c8d4; }
.quick-steps li { min-height: 190px; display: grid; align-content: start; padding: 24px; border-right: 1px solid #b9c8d4; list-style: none; }
.quick-steps li:last-child { border-right: 0; }
.quick-steps li > span { color: var(--green); font-size: 11px; font-weight: 900; }
.quick-steps li > strong { margin-top: 20px; font-size: 20px; }
.quick-steps li > p { margin: 8px 0 0; color: var(--muted); }

.product-hero { padding: 72px 0 64px; overflow: hidden; border-bottom: 1px solid var(--line); background: #f4f8fb; }
.product-hero-grid { display: grid; grid-template-columns: minmax(360px,.82fr) minmax(520px,1.18fr); align-items: center; gap: 58px; }
.product-identity { display: flex; align-items: center; gap: 14px; margin-bottom: 26px; }
.software-icon { min-width: 56px; height: 56px; display: grid; place-items: center; border: 1px solid; border-radius: 8px; font-size: 15px; font-weight: 900; }
.software-icon.wb { color: #087c78; border-color: #9fd4cc; background: #eaf9f7; }
.software-icon.rq { color: #275baf; border-color: #b6c9eb; background: #edf3ff; }
.software-icon.aq { color: #5d4ba6; border-color: #c9bee9; background: #f4f1ff; }
.software-icon.moi { color: #a05215; border-color: #e8c493; background: #fff3e1; }
.software-icon.cell { color: #147464; border-color: #aad9d0; background: #ecfaf7; }
.product-identity > div { display: grid; gap: 3px; }
.product-identity strong { font-size: 13px; }
.product-code { margin: 0; color: var(--green); font-size: 10px; font-weight: 900; }
.product-hero h1 { margin: 0; font-size: 52px; line-height: 1.14; }
.product-lead { max-width: 610px; margin: 20px 0 0; color: var(--body); font-size: 18px; }
.product-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 28px; }
.product-shot { overflow: hidden; border: 1px solid #b7c7d5; border-radius: 8px; background: #fff; box-shadow: 0 24px 60px rgba(13,43,75,.13); }
.product-shot img { width: 100%; aspect-ratio: 16/10; object-fit: cover; object-position: top center; }
.calculator-shot { min-height: 380px; display: grid; grid-template-columns: repeat(3,1fr); align-items: end; gap: 16px; padding: 42px; background: #fff; }
.calculator-shot span { min-height: 180px; display: grid; place-items: end center; padding: 22px 10px; border: 1px solid var(--line); border-bottom: 5px solid var(--teal); border-radius: 8px; color: var(--blue); font-size: 28px; font-weight: 900; }
.calculator-shot span:nth-child(2) { min-height: 250px; border-bottom-color: var(--yellow); }
.calculator-shot span:nth-child(3) { min-height: 310px; border-bottom-color: var(--coral); }
.feature-section { padding: 76px 0; }
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); border-top: 1px solid #b9c8d4; border-bottom: 1px solid #b9c8d4; }
.feature-item { min-height: 200px; padding: 28px; border-right: 1px solid #b9c8d4; }
.feature-item:last-child { border-right: 0; }
.feature-item::before { content: ""; width: 32px; height: 3px; display: block; margin-bottom: 32px; background: var(--teal); }
.feature-item:nth-child(2)::before { background: var(--yellow); }
.feature-item:nth-child(3)::before { background: var(--coral); }
.feature-item h2 { margin: 0 0 10px; font-size: 21px; }
.feature-item p { margin: 0; color: var(--muted); }
.product-note { padding: 70px 0; border-top: 1px solid var(--line); background: var(--soft); }
.product-note-inner { display: flex; align-items: center; justify-content: space-between; gap: 42px; }
.product-note h2 { margin: 0 0 8px; font-size: 30px; }
.product-note p { max-width: 630px; margin: 0; color: var(--muted); }
.product-note .product-actions { justify-content: flex-end; margin-top: 0; }

.site-footer { padding: 46px 0 20px; background: #071d38; color: #d7e4ee; }
.footer-main { display: grid; grid-template-columns: 1fr 180px 180px; gap: 60px; padding-bottom: 38px; }
.footer-brand { display: flex; align-items: center; gap: 14px; text-decoration: none; }
.footer-brand img { width: 58px; height: 58px; object-fit: cover; border: 2px solid #31577e; border-radius: 50%; }
.footer-brand span { display: grid; gap: 3px; }
.footer-brand strong { font-size: 18px; }
.footer-brand small { color: #90aac0; }
.footer-links { display: grid; gap: 7px; align-content: start; }
.footer-links strong { margin-bottom: 4px; color: #fff; }
.footer-links a { color: #9db4c8; font-size: 13px; text-decoration: none; }
.footer-links a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 18px; border-top: 1px solid #244463; color: #7893aa; font-size: 12px; }

body.modal-open { overflow: hidden; }
.member-notice-layer { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 24px; background: rgba(5,22,38,.68); }
.member-notice-layer[hidden] { display: none; }
.member-notice-dialog { width: min(660px,100%); max-height: min(760px,calc(100vh - 48px)); display: grid; grid-template-rows: auto minmax(0,1fr) auto; overflow: hidden; border: 1px solid #b9c9d5; border-radius: 8px; background: #fff; box-shadow: 0 28px 80px rgba(3,20,37,.28); }
.member-notice-head { position: relative; padding: 25px 66px 20px 28px; border-bottom: 1px solid var(--line); }
.member-notice-head h2 { margin: 4px 0 5px; font-size: 27px; }
.member-notice-head p { margin: 0; color: var(--muted); font-size: 13px; }
.member-notice-badge { color: var(--coral); font-size: 10px; font-weight: 900; }
.member-notice-close { position: absolute; top: 21px; right: 22px; width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 50%; color: var(--ink); background: #fff; font-size: 22px; cursor: pointer; }
.member-notice-body { overflow-y: auto; padding: 24px 28px; }
.notice-rule { display: grid; grid-template-columns: 32px 1fr; gap: 13px; padding: 14px 0; border-bottom: 1px solid #e6edf2; }
.notice-rule:first-child { padding-top: 0; }
.notice-rule:last-child { padding-bottom: 0; border-bottom: 0; }
.notice-rule > span { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid #aad5cd; border-radius: 6px; color: var(--green); background: #eef9f7; font-size: 11px; font-weight: 900; }
.notice-rule h3 { margin: 0 0 5px; font-size: 15px; }
.notice-rule p { margin: 0; color: var(--muted); font-size: 13px; }
.member-notice-foot { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 17px 28px; border-top: 1px solid var(--line); background: #f7fafc; }
.member-notice-foot small { color: var(--muted); }

.account-section { min-height: calc(100vh - 76px); padding: 54px 0 76px; background: var(--soft); }
.account-layout { display: grid; grid-template-columns: minmax(260px,.72fr) minmax(480px,1.28fr); align-items: start; gap: 46px; }
.account-intro { position: sticky; top: 116px; }
.account-intro h1 { margin: 0; font-size: 46px; line-height: 1.14; }
.account-intro > p:not(.section-index) { margin: 18px 0 0; color: var(--muted); font-size: 16px; }
.account-benefits { display: grid; gap: 12px; margin-top: 30px; }
.account-benefits div { display: grid; grid-template-columns: 34px 1fr; gap: 12px; align-items: start; }
.account-benefits span { width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid #aed6cf; border-radius: 6px; color: var(--green); background: #eff9f7; font-size: 11px; font-weight: 900; }
.account-benefits strong { display: block; font-size: 14px; }
.account-benefits small { display: block; margin-top: 2px; color: var(--muted); }
.account-panel { min-height: 610px; border: 1px solid var(--line); border-radius: 8px; background: #fff; box-shadow: 0 20px 50px rgba(14,42,70,.09); }
.account-panel-head { padding: 28px 30px 20px; border-bottom: 1px solid var(--line); }
.account-panel-head h2 { margin: 0 0 5px; font-size: 25px; }
.account-panel-head p { margin: 0; color: var(--muted); font-size: 13px; }
.auth-tabs { display: grid; grid-template-columns: repeat(3,1fr); gap: 4px; padding: 4px; margin: 22px 30px 0; border: 1px solid var(--line); border-radius: 7px; background: #f3f6f8; }
.auth-tabs button { min-height: 39px; border: 0; border-radius: 5px; color: var(--muted); background: transparent; cursor: pointer; }
.auth-tabs button.active { color: var(--blue); background: #fff; box-shadow: 0 2px 8px rgba(12,39,67,.09); font-weight: 800; }
.account-form { display: grid; gap: 15px; padding: 26px 30px 30px; }
.account-form[hidden], .account-state[hidden], .account-preview-note[hidden] { display: none; }
.account-form label { display: grid; gap: 7px; color: var(--body); font-size: 12px; font-weight: 800; }
.account-form input { width: 100%; height: 44px; padding: 0 12px; border: 1px solid #c6d3de; border-radius: 6px; color: var(--ink); background: #fff; font: inherit; outline: none; }
.account-form input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(7,86,168,.10); }
.password-row { position: relative; }
.password-row input { padding-right: 74px; }
.password-toggle { position: absolute; top: 5px; right: 5px; height: 34px; padding: 0 10px; border: 0; color: var(--blue); background: transparent; font-size: 11px; cursor: pointer; }
.code-row { display: grid; grid-template-columns: 1fr 120px; gap: 8px; }
.code-row .button { min-height: 44px; padding: 8px 10px; }
.account-message { min-height: 22px; margin: 0; color: #bd4545; font-size: 12px; }
.account-message.ok { color: var(--green); }
.account-form .button-primary { width: 100%; }
.form-note { margin: -2px 0 0; color: var(--muted); font-size: 11px; }
.account-preview-note { margin: 22px 30px 0; padding: 12px 14px; border-left: 3px solid var(--yellow); color: #756326; background: #fff9e8; font-size: 12px; }
.account-state { padding: 24px 30px 30px; }
.account-summary { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 20px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.account-identity { min-width: 0; display: flex; align-items: center; gap: 14px; }
.account-avatar { width: 48px; height: 48px; flex: 0 0 48px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: var(--blue); font-size: 18px; font-weight: 900; }
.account-identity > div { min-width: 0; }
.account-identity small { color: var(--muted); font-size: 11px; }
.account-summary h3 { margin: 0; overflow: hidden; font-size: 21px; text-overflow: ellipsis; white-space: nowrap; }
.account-summary p { margin: 2px 0 0; overflow: hidden; color: var(--muted); text-overflow: ellipsis; white-space: nowrap; }
.member-level-pill { padding: 7px 11px; border: 1px solid #ddc66a; border-radius: 5px; color: #80620a; background: #fff9e8; font-size: 12px; font-weight: 900; }
.membership-overview { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(150px,.75fr) auto; align-items: center; gap: 18px; margin-top: 20px; padding: 18px 20px; border: 1px solid #bfd8e7; border-radius: 7px; background: #f4f9fc; }
.membership-overview > div { min-width: 0; display: grid; gap: 4px; }
.membership-overview small, .account-detail small, .invite-link-panel small { color: var(--muted); font-size: 11px; }
.membership-overview strong { overflow-wrap: anywhere; }
.account-details { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; margin: 16px 0; }
.account-detail { min-width: 0; min-height: 76px; padding: 13px 15px; border: 1px solid #e1e9ef; border-radius: 6px; background: #fff; }
.account-detail small { display: block; color: var(--muted); }
.account-detail strong { display: block; margin-top: 3px; overflow-wrap: anywhere; }
.verified-status { color: var(--green); }
.verified-status span { margin-right: 4px; }
.invite-link-panel { display: grid; grid-template-columns: minmax(180px,.65fr) minmax(300px,1.35fr); align-items: center; gap: 18px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 7px; background: #fafcfd; }
.invite-link-panel p { margin: 3px 0 0; color: var(--muted); font-size: 11px; }
.invite-link-row { min-width: 0; display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 8px; }
.invite-link-row input { min-width: 0; height: 42px; padding: 0 11px; border: 1px solid #cbd8e1; border-radius: 6px; color: var(--body); background: #fff; font: inherit; font-size: 12px; }
.account-actions { display: flex; flex-wrap: wrap; gap: 9px; }
.account-state .account-actions { justify-content: flex-end; margin-top: 18px; }
.account-actions .danger { color: #a83d3d; border-color: #debaba; }
body.account-logged-in .account-layout { width: min(980px,100%); display: block; }
body.account-logged-in .account-intro { display: none; }
body.account-logged-in .account-panel { min-height: 0; }
body.account-logged-in .account-panel-head { padding: 24px 30px 17px; }

.motion-ready [data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity .55s ease, transform .55s ease; }
.motion-ready [data-reveal].is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1100px) {
  .header-inner { grid-template-columns: auto minmax(0,1fr) auto auto; gap: 18px; }
  .site-announcement-holder { order: 2; justify-self: end; }
  .menu-button { display: grid; order: 3; justify-self: end; }
  .main-nav { position: absolute; left: 0; right: 0; top: 76px; display: none; padding: 12px 24px 20px; border-bottom: 1px solid var(--line); background: #fff; box-shadow: 0 18px 30px rgba(14,40,68,.10); }
  .main-nav.open { display: grid; grid-template-columns: repeat(auto-fit,minmax(110px,auto)); justify-content: center; }
  .main-nav a { padding: 12px 16px; }
  .main-nav a::after { bottom: 7px; }
  .main-nav a.account-nav-link { justify-content: center; }
  .header-cta { order: 4; }
  .online-tools-inner { grid-template-columns: 1fr; gap: 12px; padding: 16px 0; }
  .hero { min-height: 600px; background-position: 48% center; }
  .hero h1 { max-width: 490px; font-size: 52px; }
  .hero-lead, .hero-copy { max-width: 470px; }
  .module-card, .module-double { grid-column: span 6; }
  .resource-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .resource-item:last-child { grid-column: 1/-1; min-height: 230px; }
  .module-wide { grid-column: span 12; }
  .workflow-grid { grid-template-columns: 1fr; gap: 38px; }
  .workflow-copy { max-width: 760px; padding-top: 0; }
  .manual-list { grid-template-columns: 1fr; }
  .manual-list a, .manual-list a:nth-child(even) { border-right: 0; }
  .product-hero-grid { grid-template-columns: 1fr; }
  .product-hero-copy { max-width: 760px; }
  .product-shot { max-width: 900px; }
  .account-layout { grid-template-columns: 1fr; }
  .account-intro { position: static; max-width: 760px; }
  .platform-grid { grid-template-columns: 1fr 1fr; }
  .platform-panel { min-height: 430px; padding: 28px; }
  .dependency-grid { grid-template-columns: 1fr; }
  .macos-workbench-card { grid-template-columns: 1fr; }
  .companion-download-card { grid-template-columns: 66px minmax(0,1fr); }
  .companion-download-card .download-product-actions, .companion-download-card .compact-architecture-actions { grid-column: 1/-1; }
}

@media (max-width: 760px) {
  .shell { width: min(100% - 30px, var(--shell)); }
  .site-header, .header-inner { min-height: 68px; }
  .header-inner { grid-template-columns: minmax(0,1fr) auto auto; gap: 10px; }
  .brand { min-width: 0; }
  .brand img { width: 42px; height: 42px; }
  .brand strong { font-size: 15px; }
  .brand small { display: none; }
  .site-announcement-holder { order: 1; }
  .menu-button { order: 2; }
  .header-cta { display: none; }
  .main-nav { top: 68px; }
  .main-nav.open { grid-template-columns: 1fr 1fr; justify-content: stretch; }
  .notice-bar { padding: 0 15px; grid-template-columns: auto minmax(0,1fr); }
  .notice-bar > a { display: none; }
  .online-tools-inner { gap: 10px; padding: 14px 0; }
  .online-tools-actions { grid-template-columns: 1fr; }
  .online-tools-actions a { min-height: 54px; }
  .hero { min-height: 690px; align-items: flex-start; background-size: 1227px 690px; background-position: 57% bottom; }
  .hero::before { content: ""; position: absolute; inset: 0 0 44% 0; background: rgba(255,255,255,.91); }
  .hero-inner { padding: 44px 0 46px; }
  .hero h1 { font-size: 40px; }
  .hero-lead { max-width: 500px; margin-top: 16px; font-size: 18px; }
  .hero-copy { max-width: 500px; font-size: 14px; }
  .hero-actions { align-items: stretch; flex-direction: column; max-width: 280px; margin-top: 22px; }
  .hero-facts { gap: 10px 18px; margin-top: 24px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 10px; }
  .section-heading h2 { font-size: 30px; }
  .manual-heading-action { max-width: none; justify-items: start; }
  .start-grid { grid-template-columns: 1fr; }
  .start-item { min-height: 98px; padding: 17px; }
  .resources-section, .products-section, .workflow-section, .manuals-section, .membership-section { padding: 64px 0; }
  .resource-grid { grid-template-columns: 1fr; }
  .resource-item, .resource-item:last-child { min-height: 230px; grid-column: auto; }
  .filter-control { width: 100%; overflow-x: auto; }
  .filter-control button { min-width: max-content; flex: 1; }
  .module-card, .module-wide, .module-double { grid-column: span 12; grid-template-columns: 1fr; grid-template-rows: 190px 1fr; }
  .module-wide .module-media { border-right: 0; border-bottom: 1px solid var(--line); }
  .calculator-card { grid-template-rows: 150px 1fr; }
  .workflow-copy h2 { font-size: 32px; }
  .preview-tabs { flex-direction: column; }
  .preview-tabs button { border-right: 0; border-bottom: 1px solid var(--line); text-align: left; }
  .preview-tabs button:last-child { border-bottom: 0; }
  .manual-list a { min-height: 96px; grid-template-columns: 32px 1fr auto; gap: 10px; }
  .manual-list a small { grid-column: 2/4; }
  .membership-grid { grid-template-columns: 1fr; }
  .member-card { min-height: 210px; }
  .download-title { padding: 46px 0 34px; }
  .download-title h1 { font-size: 36px; }
  .platform-grid { grid-template-columns: 1fr; }
  .platform-panel { min-height: 380px; padding: 24px; }
  .platform-panel-copy h2 { font-size: 27px; }
  .os-download-band { padding: 48px 0 54px; }
  .os-download-header, .companion-label { align-items: flex-start; flex-direction: column; gap: 14px; }
  .os-heading-group { align-items: flex-start; gap: 14px; }
  .os-mark { width: 54px; height: 54px; flex-basis: 54px; }
  .os-heading-group h2 { font-size: 28px; }
  .guide-button { width: 100%; }
  .workbench-download-card { grid-template-columns: 1fr; gap: 22px; padding: 24px; }
  .workbench-download-actions { justify-content: flex-start; }
  .architecture-grid, .os-companion-grid { grid-template-columns: 1fr; }
  .companion-download-card { min-height: 0; }
  .mac-fiji-card { grid-template-columns: 60px minmax(0,1fr); }
  .mac-fiji-card .compact-architecture-actions { grid-column: 1/-1; }
  .dependency-heading { margin-top: 54px; }
  .dependency-grid .download-product { grid-template-columns: 64px minmax(0,1fr); padding: 22px; }
  .dependency-grid .download-product-actions { grid-column: 2; }
  .download-product { grid-template-columns: 64px minmax(0,1fr); gap: 17px; }
  .download-product-icon { width: 58px; height: 58px; }
  .download-product-actions { grid-column: 2; }
  .quick-steps ol { grid-template-columns: 1fr; }
  .quick-steps li { min-height: 150px; border-right: 0; border-bottom: 1px solid #b9c8d4; }
  .quick-steps li:last-child { border-bottom: 0; }
  .product-hero { padding: 48px 0 42px; }
  .product-hero-grid { gap: 34px; }
  .product-hero h1 { font-size: 38px; }
  .product-lead { font-size: 16px; }
  .feature-section { padding: 52px 0; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-item { min-height: 150px; border-right: 0; border-bottom: 1px solid #b9c8d4; }
  .feature-item:last-child { border-bottom: 0; }
  .feature-item::before { margin-bottom: 20px; }
  .product-note { padding: 52px 0; }
  .product-note-inner { align-items: flex-start; flex-direction: column; }
  .product-note .product-actions { justify-content: flex-start; }
  .calculator-shot { min-height: 280px; padding: 24px; }
  .calculator-shot span { min-height: 120px; font-size: 20px; }
  .calculator-shot span:nth-child(2) { min-height: 170px; }
  .calculator-shot span:nth-child(3) { min-height: 220px; }
  .support-grid, .footer-bottom { align-items: flex-start; flex-direction: column; }
  .support-actions { width: 100%; }
  .support-actions .button { flex: 1; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 34px 20px; }
  .footer-brand { grid-column: 1/-1; }
  .member-notice-layer { padding: 12px; }
  .member-notice-dialog { max-height: calc(100vh - 24px); }
  .member-notice-head { padding: 21px 58px 17px 20px; }
  .member-notice-body { padding: 19px 20px; }
  .member-notice-foot { align-items: stretch; flex-direction: column; padding: 15px 20px; }
  .member-notice-foot .button { width: 100%; }
  .account-section { padding: 42px 0 58px; }
  .account-layout { gap: 28px; }
  .account-intro h1 { font-size: 37px; }
  .account-panel { min-height: 0; }
  .account-panel-head { padding: 23px 20px 17px; }
  .auth-tabs { margin: 18px 20px 0; }
  .account-form, .account-state { padding: 22px 20px 25px; }
  .account-preview-note { margin: 18px 20px 0; }
  .membership-overview { grid-template-columns: 1fr; align-items: stretch; padding: 16px; }
  .membership-overview .button { width: 100%; }
  .account-details { grid-template-columns: 1fr; }
  .account-detail { min-height: 0; }
  .invite-link-panel { grid-template-columns: 1fr; }
  .invite-link-row { grid-template-columns: 1fr; }
  .invite-link-row .button { width: 100%; }
  .account-state .account-actions { justify-content: stretch; }
  .account-state .account-actions .button { flex: 1; }
}

@media (max-width: 430px) {
  .hero { min-height: 720px; background-position: 60% bottom; }
  .hero h1 { font-size: 36px; }
  .start-item { grid-template-columns: 40px 1fr auto; gap: 11px; }
  .start-number { width: 38px; height: 38px; }
  .manual-list a { padding-left: 8px; padding-right: 8px; }
  .download-product { grid-template-columns: 1fr; }
  .download-product-actions { grid-column: 1; }
  .platform-download-option { grid-template-columns: 1fr; }
  .platform-download-option .button { width: 100%; }
  .os-heading-group { display: grid; grid-template-columns: 52px minmax(0,1fr); }
  .workbench-download-actions, .architecture-option, .compact-architecture-actions > div { grid-template-columns: 1fr; }
  .workbench-download-actions { display: grid; width: 100%; }
  .workbench-download-actions .button, .architecture-option .button, .compact-architecture-actions .button, .companion-download-card .download-product-actions .button { width: 100%; }
  .companion-download-card { grid-template-columns: 54px minmax(0,1fr); gap: 14px; padding: 20px; }
  .companion-download-card .download-product-icon { width: 54px; height: 54px; }
  .support-actions { flex-direction: column; }
  .support-actions .button { width: 100%; }
}

@media (max-width: 760px) {
  .site-announcement-button span { display: none; }
  .site-announcement-button { width: 38px; justify-content: center; padding: 0; }
  .site-announcement-dialog { height: calc(100vh - 20px); }
  .site-announcement-layout { grid-template-columns: 1fr; grid-template-rows: 210px minmax(0,1fr); }
  .site-announcement-layout aside { border-right: 0; border-bottom: 1px solid #e2e8ee; }
  .site-announcement-layout article { padding: 22px 20px; }
  .site-announcement-layout article h3 { font-size: 19px; }
  .download-confirm-dialog { grid-template-columns: 34px minmax(0,1fr); padding: 22px 18px; }
  .download-confirm-dialog h2 { font-size: 20px; }
  .download-confirm-actions { display: grid; grid-template-columns: 1fr; }
  .download-confirm-actions .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .notice-track { animation: none; }
  .motion-ready [data-reveal] { opacity: 1; transform: none; transition: none; }
  .button, .module-card, .start-item { transition: none; }
}