/* 财小云母站品牌门户 V5：海报式产品入口与一体化社交背景。 */
.portal-hero {
  position: relative; overflow: hidden; min-height: 700px; padding: 124px 0 var(--cxy-space-8);
  background:
    radial-gradient(circle at 81% 18%, color-mix(in srgb, var(--cxy-cyan) 12%, transparent), transparent 31%),
    radial-gradient(circle at 13% 66%, color-mix(in srgb, var(--cxy-blue) 8%, transparent), transparent 34%),
    var(--cxy-surface-page);
}
.portal-grid {
  position: absolute; inset: 0; pointer-events: none; opacity: .35;
  background-image:
    linear-gradient(color-mix(in srgb, var(--cxy-border) 48%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--cxy-border) 48%, transparent) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(to bottom, transparent 0, black 17%, black 66%, transparent 100%);
}
.portal-hero-in { position: relative; display: grid; grid-template-columns: 1.06fr .94fr; align-items: center; gap: var(--cxy-space-12); }
.portal-hero-copy { max-width: 700px; }
.portal-kicker { display: inline-flex; align-items: center; gap: var(--cxy-space-3); color: var(--cxy-ink-2); font-size: var(--cxy-size-caption); font-weight: var(--cxy-weight-semibold); letter-spacing: .08em; }
.portal-kicker i { width: 26px; height: 2px; border-radius: var(--cxy-radius-pill); background: var(--cxy-gradient-aurora); }
.portal-hero h1 { margin: var(--cxy-space-6) 0; color: var(--cxy-ink); font-family: var(--cxy-font-cn); font-size: clamp(44px, 4.8vw, 68px); font-weight: var(--cxy-weight-heavy); line-height: 1.09; letter-spacing: -.045em; }
.portal-hero h1 span { background: var(--cxy-gradient-ai); -webkit-background-clip: text; background-clip: text; color: transparent; }
.portal-lead { max-width: 600px; color: var(--cxy-text); font-size: 18px; line-height: 1.75; }
/* V22-A10（J7）：品牌定义段——AI 搜索可转述的自包含答案块；视觉克制不抢 lead */
.portal-def { max-width: 560px; margin-top: var(--cxy-space-3, 12px); color: var(--cxy-muted); font-size: 14px; line-height: 1.8; }
.portal-actions { display: flex; flex-wrap: wrap; align-items: center; gap: var(--cxy-space-3); margin-top: var(--cxy-space-8); }
.portal-entry { display: inline-flex; min-height: 48px; padding: 0 var(--cxy-space-5); align-items: center; justify-content: center; gap: var(--cxy-space-3); border: 1px solid color-mix(in srgb, var(--cxy-action) 13%, var(--cxy-border)); border-radius: var(--cxy-radius-md); color: var(--cxy-ink); background: color-mix(in srgb, var(--cxy-surface-card) 86%, transparent); box-shadow: var(--cxy-elevation-1); font-size: var(--cxy-size-sm); font-weight: var(--cxy-weight-semibold); transition: transform var(--cxy-duration-fast) var(--cxy-ease-out), border-color var(--cxy-duration-fast) var(--cxy-ease-standard), box-shadow var(--cxy-duration-fast) var(--cxy-ease-out); }
.portal-entry span { color: var(--cxy-action); }
.portal-entry:hover { transform: translateY(-2px); border-color: color-mix(in srgb, var(--cxy-action) 32%, var(--cxy-border)); box-shadow: var(--cxy-elevation-2); }

.portal-orbit { position: relative; width: min(500px, 100%); aspect-ratio: 1; margin-left: auto; isolation: isolate; }
.portal-aurora { position: absolute; inset: 14%; z-index: -1; border-radius: 48% 52% 56% 44%; background: conic-gradient(from 210deg, color-mix(in srgb, var(--cxy-blue) 28%, transparent), color-mix(in srgb, var(--cxy-cyan) 24%, transparent), color-mix(in srgb, var(--cxy-positive) 16%, transparent), color-mix(in srgb, var(--cxy-blue) 28%, transparent)); filter: blur(34px); opacity: .72; }
.portal-orbit-ring { position: absolute; border-radius: 50%; background: conic-gradient(from 8deg, transparent 0 11%, color-mix(in srgb, var(--cxy-cyan) 72%, transparent) 18% 23%, transparent 31% 57%, color-mix(in srgb, var(--cxy-action) 52%, transparent) 64% 70%, transparent 78% 100%); -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 2px)); mask: radial-gradient(farthest-side, transparent calc(100% - 2px), #000 calc(100% - 2px)); filter: drop-shadow(0 0 8px color-mix(in srgb, var(--cxy-cyan) 30%, transparent)); }
.portal-orbit-ring::after { content: ""; position: absolute; left: 50%; top: -4px; width: 9px; height: 9px; border-radius: 50%; background: var(--cxy-cyan); box-shadow: 0 0 0 6px color-mix(in srgb, var(--cxy-cyan) 12%, transparent), 0 0 20px var(--cxy-cyan); }
.ring-one { inset: 3%; }
.ring-two { inset: 15%; background: conic-gradient(from 188deg, transparent 0 18%, color-mix(in srgb, var(--cxy-action) 62%, transparent) 25% 31%, transparent 38% 68%, color-mix(in srgb, var(--cxy-positive) 44%, transparent) 76% 81%, transparent 89%); }
.ring-two::after { background: var(--cxy-action); box-shadow: 0 0 0 6px color-mix(in srgb, var(--cxy-action) 12%, transparent), 0 0 20px var(--cxy-action); }
.ring-three { inset: 27%; background: conic-gradient(from 76deg, transparent 0 23%, color-mix(in srgb, var(--cxy-cyan) 50%, transparent) 31% 43%, transparent 51% 100%); }
.ring-three::after { width: 7px; height: 7px; background: var(--cxy-positive); box-shadow: 0 0 0 5px color-mix(in srgb, var(--cxy-positive) 12%, transparent), 0 0 18px var(--cxy-positive); }
.portal-core { position: absolute; left: 50%; top: 50%; z-index: 2; display: flex; width: 220px; height: 170px; padding: var(--cxy-space-6); align-items: center; justify-content: center; flex-direction: column; transform: translate(-50%, -50%); border: 1px solid color-mix(in srgb, var(--cxy-action) 22%, var(--cxy-border)); border-radius: 34px; background: color-mix(in srgb, var(--cxy-surface-card) 88%, transparent); box-shadow: var(--cxy-elevation-3), inset 0 0 48px color-mix(in srgb, var(--cxy-blue) 8%, transparent); backdrop-filter: blur(18px); }
.portal-core::before { content: ""; position: absolute; inset: 1px; border-radius: 33px; background: linear-gradient(130deg, color-mix(in srgb, white 35%, transparent), transparent 42%); pointer-events: none; }
.portal-core img { position: relative; width: 164px; height: auto; }
.portal-core small { position: relative; margin-top: var(--cxy-space-3); color: var(--cxy-muted); font-size: 11px; letter-spacing: .12em; }
.portal-node { position: absolute; z-index: 3; display: inline-flex; align-items: center; gap: 8px; padding: 9px 13px; border: 1px solid color-mix(in srgb, var(--cxy-action) 12%, var(--cxy-border)); border-radius: var(--cxy-radius-pill); background: color-mix(in srgb, var(--cxy-surface-card) 88%, transparent); box-shadow: var(--cxy-elevation-1); backdrop-filter: blur(12px); color: var(--cxy-ink-2); font-size: 11px; font-weight: var(--cxy-weight-semibold); }
.portal-node::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--cxy-action); box-shadow: 0 0 10px color-mix(in srgb, var(--cxy-action) 55%, transparent); }
.node-service { left: 0; top: 49%; }
.node-ai { right: 1%; top: 21%; }
.node-knowledge { right: 6%; bottom: 13%; }
.portal-principles { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); margin-top: 86px; border-top: 1px solid var(--cxy-border); border-bottom: 1px solid var(--cxy-border); }
.portal-principles span { padding: var(--cxy-space-5) var(--cxy-space-4); border-left: 1px solid var(--cxy-border); text-align: center; color: var(--cxy-muted); font-size: var(--cxy-size-xs); letter-spacing: .08em; }
.portal-principles span:first-child { border-left: 0; }

.portal-section { padding: 112px 0; }
.portal-heading { display: flex; align-items: end; justify-content: space-between; gap: var(--cxy-space-8); margin-bottom: var(--cxy-space-10); }
.portal-heading > div { max-width: 880px; }
.portal-eyebrow { display: block; margin-bottom: var(--cxy-space-4); color: var(--cxy-action); font: 600 11px/1 var(--cxy-font-num); letter-spacing: .2em; }
.portal-amp { font-family: Arial, Helvetica, sans-serif; font-style: normal; font-weight: 600; letter-spacing: 0; }
.portal-heading h2, .portal-story h2, .portal-final h2 { margin: 0; color: var(--cxy-ink); font-size: clamp(34px, 4vw, 52px); line-height: 1.18; letter-spacing: -.035em; }
.portal-products { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--cxy-space-5); }
.portal-product { position: relative; overflow: hidden; grid-column: span 6; min-height: 330px; padding: var(--cxy-space-6); border: 1px solid var(--cxy-border); border-radius: var(--cxy-radius-2xl); background: var(--cxy-surface-card); box-shadow: var(--cxy-elevation-1); transition: transform var(--cxy-duration-standard) var(--cxy-ease-out), border-color var(--cxy-duration-standard) var(--cxy-ease-out), box-shadow var(--cxy-duration-standard) var(--cxy-ease-out); }
.portal-product::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 2px; opacity: .72; background: var(--cxy-gradient-aurora); }
.portal-product:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--cxy-action) 24%, var(--cxy-border)); box-shadow: var(--cxy-elevation-2); }
.product-top { display: flex; align-items: center; justify-content: space-between; }
.product-index { color: var(--cxy-muted); font: 600 11px/1 var(--cxy-font-num); letter-spacing: .16em; }
.product-type { color: var(--cxy-muted); font-size: var(--cxy-size-xs); }
.product-visual { position: relative; overflow: hidden; height: 210px; margin-top: var(--cxy-space-5); border: 1px solid color-mix(in srgb, var(--cxy-action) 11%, var(--cxy-border)); border-radius: var(--cxy-radius-xl); background: radial-gradient(circle at 72% 22%, color-mix(in srgb, var(--cxy-cyan) 14%, transparent), transparent 30%), radial-gradient(circle at 18% 86%, color-mix(in srgb, var(--cxy-blue) 10%, transparent), transparent 38%), var(--cxy-surface-subtle); }
.product-visual::before { content: ""; position: absolute; inset: 0; opacity: .6; background-image: linear-gradient(color-mix(in srgb, var(--cxy-border) 62%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--cxy-border) 62%, transparent) 1px, transparent 1px); background-size: 34px 34px; mask-image: linear-gradient(90deg, transparent, black, transparent); }
.product-visual-image::before { display: none; }
.product-visual-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--cxy-ease-out), filter 600ms var(--cxy-ease-out); }
.product-visual-light::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, color-mix(in srgb, white 94%, transparent) 0 28%, color-mix(in srgb, white 50%, transparent) 46%, transparent 70%); pointer-events: none; }
.portal-product:hover .product-visual-image img { transform: scale(1.025); filter: saturate(1.04); }
.product-visual-ai { isolation: isolate; border-color: color-mix(in srgb, var(--cxy-cyan) 18%, var(--cxy-isle-border)); background: linear-gradient(135deg, #0d1830 0%, #0b2132 52%, #101b38 100%); }
.product-visual-ai::before { opacity: .2; background-image: linear-gradient(var(--cxy-isle-border) 1px, transparent 1px), linear-gradient(90deg, var(--cxy-isle-border) 1px, transparent 1px); }
.product-ai-glow { position: absolute; z-index: -1; inset: -45% 12% -70% 25%; border-radius: 45%; background: conic-gradient(from 130deg, color-mix(in srgb, var(--cxy-blue) 72%, transparent), color-mix(in srgb, var(--cxy-cyan) 68%, transparent), color-mix(in srgb, var(--cxy-violet) 55%, transparent), color-mix(in srgb, var(--cxy-blue) 72%, transparent)); filter: blur(32px); opacity: .72; }
.product-ai-stream { position: absolute; left: -14%; width: 124%; height: 38px; border: 1px solid color-mix(in srgb, var(--cxy-cyan) 48%, transparent); border-left: 0; border-right: 0; border-radius: 50%; transform: rotate(-7deg); filter: drop-shadow(0 0 12px color-mix(in srgb, var(--cxy-cyan) 20%, transparent)); }
.product-ai-stream.stream-a { top: 40px; }.product-ai-stream.stream-b { top: 86px; transform: rotate(6deg); border-color: color-mix(in srgb, var(--cxy-action) 48%, transparent); }
.product-ai-panel { position: absolute; z-index: 2; display: grid; gap: 7px; width: 118px; padding: 16px; border: 1px solid color-mix(in srgb, var(--cxy-cyan) 28%, transparent); border-radius: 16px; background: linear-gradient(135deg, color-mix(in srgb, white 11%, transparent), color-mix(in srgb, var(--cxy-blue) 8%, transparent)); box-shadow: 0 16px 42px color-mix(in srgb, #020817 52%, transparent), inset 0 1px color-mix(in srgb, white 20%, transparent); backdrop-filter: blur(14px); }
.product-ai-panel b { display: block; height: 3px; border-radius: 4px; background: linear-gradient(90deg, var(--cxy-cyan), color-mix(in srgb, var(--cxy-action) 32%, transparent)); }
.product-ai-panel b:nth-child(2) { width: 72%; }.product-ai-panel b:nth-child(3) { width: 48%; }
.product-ai-panel.panel-a { left: 14%; top: 23px; transform: rotate(-5deg); }.product-ai-panel.panel-b { right: 13%; bottom: 24px; width: 100px; transform: rotate(6deg); }
.product-ai-node { position: absolute; z-index: 3; width: 9px; height: 9px; border-radius: 50%; background: var(--cxy-cyan); box-shadow: 0 0 0 7px color-mix(in srgb, var(--cxy-cyan) 10%, transparent), 0 0 22px var(--cxy-cyan); }
.product-ai-node.node-a { left: 48%; top: 28%; }.product-ai-node.node-b { left: 61%; bottom: 22%; background: var(--cxy-action); }.product-ai-node.node-c { right: 11%; top: 22%; background: var(--cxy-positive); }
.product-visual-knowledge { background: radial-gradient(circle at 82% 24%, color-mix(in srgb, var(--cxy-cyan) 17%, transparent), transparent 28%), linear-gradient(135deg, #f9fbff, #eef8fb); }
.product-visual-knowledge > span { position: absolute; z-index: 2; right: var(--cxy-space-5); bottom: var(--cxy-space-5); color: var(--cxy-ink); font: 600 clamp(30px, 3vw, 42px)/.9 var(--cxy-font-num); letter-spacing: -.04em; opacity: .14; }
.knowledge-line { position: absolute; z-index: 2; width: 150px; height: 1px; transform-origin: left center; background: linear-gradient(90deg, color-mix(in srgb, var(--cxy-action) 72%, transparent), color-mix(in srgb, var(--cxy-cyan) 18%, transparent)); }
.knowledge-line.line-a { right: 14%; top: 36%; transform: rotate(22deg); }.knowledge-line.line-b { right: 8%; bottom: 23%; transform: rotate(-18deg); }
.knowledge-dot { position: absolute; z-index: 3; width: 10px; height: 10px; border: 2px solid white; border-radius: 50%; background: var(--cxy-action); box-shadow: 0 0 0 5px color-mix(in srgb, var(--cxy-action) 10%, transparent), 0 0 18px color-mix(in srgb, var(--cxy-action) 28%, transparent); }
.knowledge-dot.dot-a { right: 30%; top: 28%; }.knowledge-dot.dot-b { right: 8%; top: 53%; background: var(--cxy-cyan); }.knowledge-dot.dot-c { right: 23%; bottom: 18%; background: var(--cxy-positive); }
.product-visual h3 { position: absolute; z-index: 5; left: var(--cxy-space-6); bottom: var(--cxy-space-6); margin: 0; color: var(--cxy-ink); font-size: clamp(30px, 3vw, 42px); line-height: 1; letter-spacing: -.035em; }
.product-visual-ai h3 { color: white; text-shadow: 0 8px 26px color-mix(in srgb, #020817 68%, transparent); }
.product-summary { display: flex; min-height: 64px; align-items: center; justify-content: space-between; gap: var(--cxy-space-5); color: var(--cxy-text); font-size: var(--cxy-size-sm); line-height: 1.6; }
.product-summary i { display: grid; width: 34px; height: 34px; flex: none; place-items: center; border: 1px solid color-mix(in srgb, var(--cxy-action) 18%, var(--cxy-border)); border-radius: 50%; color: var(--cxy-action); font-style: normal; transition: transform var(--cxy-duration-standard) var(--cxy-ease-out), background var(--cxy-duration-standard) var(--cxy-ease-out); }
.product-summary:hover { color: var(--cxy-action); }
.product-summary:hover i { transform: translate(2px, -2px); background: var(--cxy-tint-blue-bg); }

.portal-section-dark { color: var(--cxy-isle-ink); background: var(--cxy-isle-bg); }
.portal-story { display: grid; grid-template-columns: .9fr 1.1fr; gap: var(--cxy-space-12); align-items: start; }
.portal-section-dark .portal-eyebrow { color: var(--cxy-isle-tint-cyan-fg); }
.portal-story h2 { color: var(--cxy-isle-ink); }
.portal-story-copy p { max-width: 520px; margin-top: var(--cxy-space-5); color: var(--cxy-isle-text); line-height: 1.75; }
.portal-story-copy .portal-ai-notice { margin-top: var(--cxy-space-7); padding-top: var(--cxy-space-5); border-top: 1px solid var(--cxy-isle-border); color: var(--cxy-isle-muted); font-size: 13px; }
.portal-feedback { position: relative; display: inline-block; }
.portal-feedback button { appearance: none; padding: 0; border: 0; cursor: pointer; color: var(--cxy-isle-tint-cyan-fg); background: none; font: inherit; font-weight: var(--cxy-weight-semibold); }
.portal-feedback-popover { position: absolute; z-index: 30; left: 50%; bottom: calc(100% + 12px); display: grid; visibility: hidden; width: 228px; padding: 10px; opacity: 0; transform: translate(-50%, 6px); border: 1px solid var(--cxy-border); border-radius: 16px; color: var(--cxy-ink); background: var(--cxy-surface-card); box-shadow: var(--cxy-elevation-3); text-align: center; transition: opacity .18s ease, transform .18s ease, visibility .18s ease; }
.portal-feedback:hover .portal-feedback-popover, .portal-feedback:focus-within .portal-feedback-popover { visibility: visible; opacity: 1; transform: translate(-50%, 0); }
.portal-feedback-popover img { width: 100%; border-radius: 10px; }
.portal-feedback-popover strong { margin-top: 8px; }
.portal-feedback-popover span { color: var(--cxy-muted); font-size: 11px; }
.portal-methods { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--cxy-isle-border); }
.portal-methods li { display: grid; grid-template-columns: 64px 1fr; gap: var(--cxy-space-5); padding: var(--cxy-space-6) 0; border-bottom: 1px solid var(--cxy-isle-border); }
.portal-methods li > span { color: var(--cxy-isle-tint-cyan-fg); font: 600 11px/1.6 var(--cxy-font-num); letter-spacing: .14em; }
.portal-methods h3 { margin: 0; color: var(--cxy-isle-ink); font-size: 21px; }
.portal-methods p { margin: var(--cxy-space-2) 0 0; color: var(--cxy-isle-muted); font-size: var(--cxy-size-sm); }

.portal-updates { background: var(--cxy-surface-subtle); }
.portal-update-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: var(--cxy-space-5); }
.portal-progress-card { position: relative; overflow: hidden; min-height: 430px; padding: var(--cxy-space-8); border: 1px solid var(--cxy-isle-border); border-radius: var(--cxy-radius-2xl); color: var(--cxy-isle-ink); background: radial-gradient(circle at 84% 12%, color-mix(in srgb, var(--cxy-cyan) 14%, transparent), transparent 32%), var(--cxy-isle-bg); }
.portal-progress-card::after { content: ""; position: absolute; inset: 0; opacity: .24; pointer-events: none; background-image: linear-gradient(var(--cxy-isle-border) 1px, transparent 1px), linear-gradient(90deg, var(--cxy-isle-border) 1px, transparent 1px); background-size: 42px 42px; mask-image: linear-gradient(to bottom, black, transparent 60%); }
.portal-progress-card > * { position: relative; z-index: 2; }
.portal-mcp-visual { position: absolute; z-index: 1; right: 24px; top: 20px; width: 210px; height: 150px; }
.portal-mcp-visual span { position: absolute; right: 0; top: 30px; color: color-mix(in srgb, var(--cxy-isle-ink) 4%, transparent); font: 700 88px/.8 var(--cxy-font-num); -webkit-text-stroke: 1px color-mix(in srgb, var(--cxy-cyan) 32%, transparent); }
.portal-mcp-visual i { position: absolute; right: 22px; top: 0; width: 132px; height: 132px; border: 1px solid color-mix(in srgb, var(--cxy-cyan) 21%, transparent); border-radius: 50%; }
.portal-mcp-visual i:last-child { right: 57px; top: 35px; width: 62px; height: 62px; border-color: color-mix(in srgb, var(--cxy-action) 38%, transparent); box-shadow: 0 0 42px color-mix(in srgb, var(--cxy-cyan) 12%, transparent); }
.portal-live { display: inline-flex; align-items: center; gap: 8px; color: var(--cxy-isle-tint-green-fg); font-size: 11px; font-weight: var(--cxy-weight-semibold); }
.portal-live i { width: 6px; height: 6px; border-radius: 50%; background: var(--cxy-positive); }
.portal-progress-card h3 { max-width: 470px; margin: 150px 0 var(--cxy-space-4); color: var(--cxy-isle-ink); font-size: 36px; line-height: 1.25; }
.portal-progress-card p { max-width: 500px; color: var(--cxy-isle-text); line-height: 1.7; }
.portal-mcp-tags { display: flex; flex-wrap: wrap; gap: var(--cxy-space-2); margin-top: var(--cxy-space-5); }
.portal-mcp-tags span { padding: 7px 10px; border: 1px solid var(--cxy-isle-border); border-radius: var(--cxy-radius-pill); color: var(--cxy-isle-muted); font-size: 10px; }
.portal-progress-card a { display: inline-flex; margin-top: var(--cxy-space-5); color: var(--cxy-isle-tint-cyan-fg); font-size: var(--cxy-size-sm); font-weight: var(--cxy-weight-semibold); }
.portal-articles { display: grid; gap: var(--cxy-space-4); }
.portal-article { padding: var(--cxy-space-6); border: 1px solid var(--cxy-border); border-radius: var(--cxy-radius-xl); background: var(--cxy-surface-card); }
.portal-article > span { color: var(--cxy-action); font-size: 11px; font-weight: var(--cxy-weight-semibold); }
.portal-article h3 { margin: var(--cxy-space-3) 0 0; color: var(--cxy-ink); font-size: 20px; line-height: 1.45; }
.portal-all-knowledge { margin-top: var(--cxy-space-6); text-align: right; }
.portal-all-knowledge a { color: var(--cxy-action); font-size: var(--cxy-size-sm); font-weight: var(--cxy-weight-semibold); }

.portal-final { padding: var(--cxy-space-10) 0 112px; background: var(--cxy-surface-page); }
.portal-final-in { position: relative; overflow: hidden; display: grid; grid-template-columns: .82fr 1.18fr; gap: var(--cxy-space-8); align-items: center; min-height: 410px; padding: var(--cxy-space-9); border: 1px solid color-mix(in srgb, var(--cxy-action) 12%, var(--cxy-border)); border-radius: var(--cxy-radius-2xl); background-image: linear-gradient(90deg, color-mix(in srgb, white 48%, transparent) 0 30%, color-mix(in srgb, white 8%, transparent) 48%, color-mix(in srgb, white 34%, transparent) 100%), url('/assets/images/cxy-follow-bg-v4.webp'); background-size: cover; background-position: center; box-shadow: 0 26px 68px -42px color-mix(in srgb, var(--cxy-action) 32%, transparent); }
.portal-final-copy { position: relative; z-index: 2; max-width: 280px; }
.portal-final p { margin: var(--cxy-space-4) 0 0; color: var(--cxy-text); }
.portal-channels { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--cxy-space-3); }
.portal-channel { display: flex; min-height: 126px; padding: var(--cxy-space-4); align-items: center; gap: var(--cxy-space-4); border: 1px solid color-mix(in srgb, white 68%, var(--cxy-border)); border-radius: var(--cxy-radius-lg); background: color-mix(in srgb, white 78%, transparent); box-shadow: 0 14px 36px -28px color-mix(in srgb, var(--cxy-ink) 38%, transparent), inset 0 1px color-mix(in srgb, white 88%, transparent); backdrop-filter: blur(16px); }
.portal-channel img { width: 82px; height: 82px; flex: none; padding: 4px; object-fit: contain; border: 1px solid var(--cxy-border); border-radius: var(--cxy-radius-sm); background: white; }
.portal-channel div { display: flex; min-width: 0; flex-direction: column; gap: var(--cxy-space-2); }
.portal-channel strong { color: var(--cxy-ink); font-size: 16px; }
.portal-channel span { color: var(--cxy-muted); font-size: 12px; line-height: 1.5; }

@media (max-width: 960px) {
  .portal-hero { min-height: auto; padding-top: 96px; }
  .portal-hero-in, .portal-story { grid-template-columns: 1fr; }
  .portal-orbit { width: min(460px, 84vw); margin: var(--cxy-space-8) auto 0; }
  .portal-principles { margin-top: 64px; }
  .portal-heading { align-items: start; flex-direction: column; }
  .portal-product { grid-column: span 12; }
  .portal-update-grid { grid-template-columns: 1fr; }
  .portal-final-in { grid-template-columns: 1fr; background-position: 38% center; }
}
@media (max-width: 640px) {
  .portal-hero { padding: 76px 0 var(--cxy-space-6); }
  .portal-hero h1 { font-size: 39px; }
  .portal-lead { font-size: 16px; }
  .portal-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--cxy-space-2); }
  .portal-entry { min-width: 0; padding: 0 var(--cxy-space-2); }
  .portal-orbit { width: 100vw; margin-left: calc((100vw - 100%) / -2); }
  .portal-core { width: 176px; height: 138px; padding: var(--cxy-space-5); border-radius: 28px; }
  .portal-core img { width: 132px; }
  .portal-node { font-size: 10px; padding: 8px 10px; }
  .portal-principles { grid-template-columns: repeat(2, 1fr); }
  .portal-principles span:nth-child(3) { border-left: 0; border-top: 1px solid var(--cxy-border); }
  .portal-principles span:nth-child(4) { border-top: 1px solid var(--cxy-border); }
  .portal-section { padding: 84px 0; }
  .portal-heading h2, .portal-story h2, .portal-final h2 { font-size: 34px; }
  .portal-product { min-height: 300px; padding: var(--cxy-space-5); }
  .product-visual { height: 176px; }
  .product-visual-knowledge > span { right: var(--cxy-space-4); font-size: 30px; }
  .product-visual h3 { left: var(--cxy-space-5); bottom: var(--cxy-space-5); }
  .portal-story { gap: var(--cxy-space-10); }
  .portal-feedback-popover { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 6px); }
  .portal-feedback:hover .portal-feedback-popover, .portal-feedback:focus-within .portal-feedback-popover { transform: translate(-50%, 0); }
  .portal-final-in { grid-template-columns: 1fr; min-height: 760px; padding: var(--cxy-space-6); background-position: 34% center; }
  .portal-final-copy { max-width: 270px; }
  .portal-channels { grid-template-columns: 1fr; }
  .portal-channel { min-height: 112px; }
}

@media (prefers-reduced-motion: no-preference) {
  .portal-aurora { animation: portal-aurora 9s ease-in-out infinite alternate; }
  .ring-one { animation: portal-spin 18s linear infinite; }
  .ring-two { animation: portal-spin-reverse 26s linear infinite; }
  .ring-three { animation: portal-spin 13s linear infinite; }
  .portal-node { animation: portal-float 4.6s ease-in-out infinite; }
  .node-ai { animation-delay: -1.5s; }.node-knowledge { animation-delay: -3s; }
  .product-ai-glow { animation: product-ai-glow 7s ease-in-out infinite alternate; }
  .product-ai-stream.stream-a { animation: product-stream 6s ease-in-out infinite alternate; }
  .product-ai-stream.stream-b { animation: product-stream-reverse 8s ease-in-out infinite alternate; }
  .product-ai-panel.panel-a { animation: product-panel-a 5s ease-in-out infinite; }
  .product-ai-panel.panel-b { animation: product-panel-b 5.8s ease-in-out infinite; }
  .product-ai-node { animation: product-node-pulse 2.6s ease-in-out infinite; }
  @keyframes portal-spin { to { transform: rotate(360deg); } }
  @keyframes portal-spin-reverse { to { transform: rotate(-360deg); } }
  @keyframes portal-aurora { 0% { transform: rotate(-8deg) scale(.92); opacity: .5; } 55% { transform: rotate(10deg) scale(1.08); opacity: .84; } 100% { transform: rotate(24deg) scale(.98); opacity: .62; } }
  @keyframes portal-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
  @keyframes product-ai-glow { to { transform: translate3d(8%, -4%, 0) rotate(18deg) scale(1.12); opacity: .94; } }
  @keyframes product-stream { to { transform: translateX(5%) rotate(-3deg); opacity: .42; } }
  @keyframes product-stream-reverse { to { transform: translateX(-5%) rotate(2deg); opacity: .5; } }
  @keyframes product-panel-a { 0%, 100% { transform: translateY(0) rotate(-5deg); } 50% { transform: translateY(-7px) rotate(-2deg); } }
  @keyframes product-panel-b { 0%, 100% { transform: translateY(0) rotate(6deg); } 50% { transform: translateY(6px) rotate(3deg); } }
  @keyframes product-node-pulse { 0%, 100% { opacity: .7; } 50% { opacity: 1; box-shadow: 0 0 0 10px color-mix(in srgb, var(--cxy-cyan) 5%, transparent), 0 0 28px var(--cxy-cyan); } }
}