/* Tokens */
:root {
  --color-primary: #245bbb;
  --color-primary-hover: #17488f;
  --color-primary-soft: #eef3fa;
  --color-text: #18232e;
  --color-body: #435466;
  --color-muted: #596a7a;
  --color-bg: #ffffff;
  --color-bg-soft: #f6f8fa;
  --color-border: #dce3ea;
  --color-dark: #182b43;
  --color-dark-body: #bdcbd8;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --radius-xl: var(--radius-lg);
  --content-width: 1248px;
  --section-space: clamp(64px, 7vw, 96px);
  --heading-size: clamp(28px, 2.5vw, 36px);
  --font-sans: "Microsoft YaHei", "PingFang SC", "Segoe UI", Roboto, "Noto Sans CJK SC", "Noto Sans SC", sans-serif;
  --type-subsection: clamp(25px, 1.945vw, 28px);
  --type-product: clamp(22px, 1.667vw, 24px);
  --type-support: 18px;
  --type-body: 16px;
  --type-small: 13px;
  --type-caption: 12px;
  --font-mono: Consolas, "SFMono-Regular", monospace;
}

/* Reset */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; color: var(--color-text); background: var(--color-bg); font-family: var(--font-sans); font-size: var(--type-body); font-weight: 400; line-height: 1.8; letter-spacing: 0; -webkit-font-smoothing: antialiased; }
button { font: inherit; }
a { color: inherit; text-decoration: none; }
[hidden] { display: none !important; }

/* Base / Layout */
.container { width: min(calc(100% - 48px), var(--content-width)); margin: 0 auto; }

/* Navbar */
.site-header { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--color-border); background: rgba(255, 255, 255, .96); }
.navbar { height: 72px; display: flex; align-items: center; gap: 32px; }
.brand { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 10px; color: var(--color-text); font-size: 21px; font-weight: 700; letter-spacing: -.02em; }
.brand-mark { width: 29px; height: 29px; fill: none; stroke: var(--color-primary); stroke-linecap: round; stroke-linejoin: round; stroke-width: 2.5; }
.nav-links { display: flex; align-items: center; gap: 28px; margin-left: auto; color: var(--color-muted); font-size: 14px; }
.nav-links a { padding: 6px 0; transition: color 180ms ease; }
.nav-links a:hover { color: var(--color-primary); }
.nav-cta { display: inline-flex; min-height: 40px; align-items: center; justify-content: center; margin-left: 24px; padding: 0 18px; color: #fff; cursor: pointer; border: 0; border-radius: var(--radius-sm); background: var(--color-primary); font-size: 14px; font-weight: 600; transition: background 180ms ease; white-space: nowrap; }
.nav-cta:hover { background: var(--color-primary-hover); }

/* Hero */
.hero { position: relative; overflow: hidden; padding: 64px 0 0; isolation: isolate; background: var(--color-bg); }
.hero-candles { position: absolute; z-index: -1; inset: 0; width: 100%; height: min(100%, 620px); opacity: .28; pointer-events: none; }
.hero-inner { display: grid; grid-template-columns: 45% 55%; align-items: center; }
.hero-copy { position: relative; z-index: 1; padding: 0 32px 0 0; }
.hero-tag { margin: 0 0 20px; color: var(--color-primary); font-size: 13px; font-weight: 600; line-height: 1.5; }
.hero h1 { margin: 0; font-size: clamp(38px, 3.2vw, 46px); font-weight: 700; letter-spacing: -.015em; line-height: 1.3; text-wrap: balance; }
.hero h1 span { color: var(--color-primary); white-space: nowrap; }
.hero-description { max-width: 490px; margin: 22px 0 0; color: var(--color-body); font-size: 16px; line-height: 1.8; }
.hero-actions { display: flex; gap: 20px; margin-top: 28px; }
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 9px; padding: 0 20px; cursor: pointer; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; white-space: nowrap; transition: background 180ms ease, color 180ms ease; }
.button svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.button-primary { color: #fff; border: 1px solid var(--color-primary); background: var(--color-primary); }
.button-primary:hover { background: var(--color-primary-hover); border-color: var(--color-primary-hover); }
.button-secondary { color: var(--color-body); padding: 0; border: 0; background: transparent; }
.button-secondary:hover { color: var(--color-primary); }
.button:active, .nav-cta:active { transform: translateY(1px); }
.button:focus-visible, .nav-cta:focus-visible, .brand:focus-visible, .nav-links a:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 4px; }
.hero-product { margin: 0; overflow: hidden; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-bg); }
.hero-product img { display: block; width: 100%; height: auto; }
.product-chip { padding: 11px 16px; color: var(--color-muted); border-bottom: 1px solid transparent; background: var(--color-bg-soft); font-size: 12px; line-height: 1.5; }

/* Trust Items */
.trust-items { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 48px; padding: 26px 0; border-top: 1px solid var(--color-border); }
.trust-item { display: flex; align-items: center; gap: 10px; color: var(--color-muted); font-size: 13px; line-height: 1.6; }
.trust-item svg { width: 22px; height: 22px; flex: 0 0 auto; fill: none; stroke: var(--color-muted); stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }

/* Indicators: position context first, two complementary conditions in parallel */
.indicators-section { padding: var(--section-space) 0; background: var(--color-bg); }
.section-heading { max-width: 850px; margin: 0 0 40px; text-align: left; }
.section-eyebrow { margin: 0 0 14px; color: var(--color-primary); font-size: 12px; font-weight: 600; letter-spacing: 0; line-height: 1.6; }
.section-heading h2, .entry-system-explainer h2, .indicator-combined h2, .evidence-heading h2, .evidence-copy h3, .service-heading h2, .settings-copy h3, .suitability-section h3, .faq-heading h2, .risk-content h2, .community-copy h2 { margin: 0; color: var(--color-text); font-size: var(--heading-size); font-weight: 600; letter-spacing: -.01em; line-height: 1.45; text-wrap: balance; }
.section-heading > p:last-child { max-width: 40em; margin: 16px 0 0; color: var(--color-body); font-size: var(--type-body); line-height: 1.8; }
.indicator-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.indicator-card { display: flex; min-width: 0; flex-direction: column; padding: 28px; border: 1px solid transparent; border-radius: var(--radius-lg); background: var(--color-bg-soft); }
.indicator-card:first-child { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1fr); grid-template-rows: auto auto auto auto 1fr; column-gap: 48px; padding: 32px; border-color: var(--color-border); background: var(--color-bg); }
.indicator-card:first-child > :not(img) { grid-column: 1; }
.indicator-card:first-child img { grid-column: 2; grid-row: 1 / 6; align-self: center; margin: 0; padding: 0; }
.indicator-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.indicator-number, .indicator-role { color: var(--color-muted); font-size: 12px; font-weight: 600; line-height: 1.6; }
.indicator-role { padding: 4px 8px; }
.indicator-card h3 { margin: 22px 0 0; font-size: var(--type-product); font-weight: 600; letter-spacing: -.01em; line-height: 1.4; }
.indicator-card h4 { margin: 20px 0 0; font-size: var(--type-support); font-weight: 600; line-height: 1.5; }
.indicator-card > p { margin: 12px 0 0; color: var(--color-body); font-size: var(--type-body); line-height: 1.8; }
.indicator-card img { display: block; width: 100%; height: auto; margin-top: auto; padding-top: 26px; }
.parameter-groups { align-self: start; display: flex; gap: 24px; margin-top: 18px; }
.parameter-groups span { display: grid; align-content: start; gap: 5px; min-width: 0; }
.parameter-groups strong { color: var(--color-text); font-size: 12px; font-weight: 600; line-height: 1.6; }
.parameter-groups small { color: var(--color-muted); font-family: var(--font-mono); font-size: 12px; white-space: nowrap; line-height: 1.6; font-variant-numeric: tabular-nums; }
.entry-system-explainer { display: grid; grid-template-columns: .8fr 1.2fr; gap: 16px 48px; align-items: start; margin-top: 40px; padding: 28px 0; border-top: 1px solid var(--color-border); }
.entry-system-explainer h2 { font-size: var(--type-subsection); }
.entry-system-pair { grid-column: 2; display: grid; grid-template-columns: minmax(0, 1fr) 20px minmax(0, 1fr); grid-template-areas: "product-a plus product-b" "result result result"; align-items: center; gap: 12px 16px; width: 100%; max-width: 480px; text-align: center; color: var(--color-text); font-size: 14px; font-weight: 600; }
.entry-system-node { display: grid; align-items: center; min-height: 48px; padding: 8px 10px; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-bg); line-height: 1.5; }
.entry-system-node:first-child { grid-area: product-a; }
.entry-system-node:nth-child(3) { grid-area: product-b; }
.entry-system-operator { grid-area: plus; color: var(--color-muted); font-size: 20px; font-weight: 600; }
.entry-system-result { grid-area: result; line-height: 1.5; }
.indicator-combined { display: grid; grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr); gap: 40px; align-items: center; margin-top: 20px; padding: 40px; border-radius: var(--radius-lg); color: #fff; background: var(--color-dark); }
.indicator-combined h2 { color: #fff; font-size: 30px; }
.indicator-combined .section-eyebrow { color: var(--color-dark-body); }
.indicator-combined .combined-copy > p:not(.section-eyebrow) { margin: 18px 0 0; color: var(--color-dark-body); font-size: var(--type-body); line-height: 1.8; }
.indicator-combined img { display: block; width: 100%; height: auto; border-radius: var(--radius-sm); }

/* Evidence Section */
.evidence-section { padding: var(--section-space) 0; border-top: 1px solid var(--color-border); background: var(--color-bg); }
.evidence-heading { max-width: 850px; margin: 0 0 44px; text-align: left; }
.evidence-block { margin-top: 44px; padding: 36px 0 0; border-top: 1px solid var(--color-border); }
.evidence-copy { max-width: 660px; }
.evidence-label { margin: 0 0 13px; color: var(--color-muted); font-size: 12px; font-weight: 600; letter-spacing: 0; text-transform: uppercase; line-height: 1.6; }
.evidence-copy h3 { font-size: var(--type-subsection); }
.evidence-copy > p:not(.evidence-label) { margin: 16px 0 0; color: var(--color-body); font-size: var(--type-body); line-height: 1.85; }
.media-gallery { display: grid; gap: 14px; min-width: 0; }
.media-gallery figure, .settings-media figure { min-width: 0; margin: 0; }
.media-gallery img, .settings-media img { display: block; width: 100%; height: auto; border: 1px solid transparent; border-radius: var(--radius-sm); }
.media-gallery figcaption, .settings-media figcaption { margin-top: 10px; color: var(--color-muted); font-size: 12px; line-height: 1.5; }
.evidence-history { display: grid; grid-template-columns: minmax(0, .3fr) minmax(0, .7fr); gap: 28px 48px; align-items: start; }
.history-viewer { min-width: 0; }
.history-viewer-stage { display: block; width: 100%; padding: 0; border: 0; background: transparent; cursor: zoom-in; border-radius: var(--radius-sm); touch-action: pan-y pinch-zoom; }
.history-viewer-stage img { display: block; width: 100%; height: auto; border: 1px solid var(--color-border); border-radius: var(--radius-sm); }
.history-viewer-controls { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: 8px; margin-top: 12px; }
.history-viewer-navigation { grid-column: 2; display: flex; align-items: center; justify-content: center; gap: 8px; }
.history-viewer-tabs { display: flex; gap: 4px; }
.history-viewer-tabs button, .history-viewer-arrow, .history-viewer-close { min-width: 44px; min-height: 44px; padding: 8px 10px; border: 0; border-radius: 0; color: var(--color-muted); background: transparent; cursor: pointer; font-size: 13px; line-height: 1.5; font-variant-numeric: tabular-nums; }
.history-viewer-tabs button { border-bottom: 2px solid transparent; }
.history-viewer-tabs button[aria-selected="true"] { color: var(--color-primary); border-bottom-color: var(--color-primary); font-weight: 600; }
.history-viewer-arrow { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; padding: 0; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-bg); }
.history-viewer-tabs button:hover, .history-viewer-arrow:not(:disabled):hover, .history-viewer-close:hover { color: var(--color-primary); background: var(--color-bg-soft); }
.history-viewer-arrow:disabled { opacity: .4; cursor: default; }
.history-viewer button:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }
.history-viewer-hint { grid-column: 3; justify-self: end; color: var(--color-muted); font-size: var(--type-caption); }
.history-viewer-swipe-hint { display: none; }
.history-viewer-dialog { width: 100vw; max-width: none; height: 100dvh; max-height: none; margin: 0; padding: 16px; border: 0; background: transparent; color: var(--color-text); overflow: hidden; overscroll-behavior: contain; }
.history-viewer-dialog[open] { display: grid; place-items: center; }
.history-viewer-dialog-surface { width: min(100%, 1600px); max-height: calc(100dvh - 32px); padding: 12px; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-bg); }
.history-viewer-dialog::backdrop { background: rgba(24, 35, 46, .88); }
.history-viewer-dialog-controls { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.history-viewer-dialog-controls span { font-size: 13px; font-variant-numeric: tabular-nums; }
.history-viewer-close { margin-left: auto; color: var(--color-text); }
.history-viewer-dialog img { display: block; width: 100%; height: auto; max-height: calc(100dvh - 112px); object-fit: contain; }
html.history-viewer-modal-open { height: var(--history-viewer-document-height); overflow: hidden; overscroll-behavior: none; }
body.history-viewer-modal-open { position: fixed; top: var(--history-viewer-scroll-top); left: 0; width: calc(100% - var(--history-viewer-scrollbar-width)); overflow: clip; overscroll-behavior: none; }
@media (max-width: 600px) {
  .history-viewer-controls { grid-template-columns: 1fr; gap: 8px; }
  .history-viewer-navigation { grid-column: 1; justify-self: center; }
  .history-viewer-hint { grid-column: 1; justify-self: center; }
  .history-viewer-swipe-hint { display: inline; }
  .history-viewer-dialog { padding: 8px; }
  .history-viewer-dialog-surface { max-height: calc(100dvh - 16px); padding: 8px; }
  .history-viewer-dialog img { max-height: calc(100dvh - 88px); }
}
.evidence-comparison { display: grid; grid-template-columns: minmax(0, .65fr) minmax(0, 1.35fr); gap: 48px; align-items: center; }
.candle-comparison-gallery { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.evidence-timeframes { display: block; }
.evidence-timeframes .media-gallery { margin-top: 28px; }
.timeframe-gallery { grid-template-columns: repeat(3, minmax(0, 1fr)); }

/* Phase 5: Service */
/* Live Alert */
.live-alert-block { display: grid; grid-template-columns: minmax(0, .38fr) minmax(0, .62fr); gap: 48px; align-items: center; margin-top: 40px; padding-top: 36px; border-top: 1px solid var(--color-border); }
.live-alert-copy h2 { margin: 0; font-size: var(--heading-size); font-weight: 600; letter-spacing: -.025em; line-height: 1.45; text-wrap: balance; }
.live-alert-copy > p:not(.section-eyebrow) { margin: 18px 0 0; color: var(--color-body); font-size: var(--type-body); line-height: 1.8; }
.live-alert-copy > p.live-alert-notice { margin-top: 16px; color: var(--color-muted); font-size: var(--type-small); line-height: 1.7; }
.live-alert-media { min-width: 0; margin: 0; }
.live-alert-media video { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-bg-soft); }
.live-alert-media figcaption { margin-top: 12px; color: var(--color-muted); font-size: var(--type-caption); line-height: 1.6; }
@media (max-width: 920px) {
  .live-alert-block { grid-template-columns: 1fr; gap: 28px; }
  .live-alert-copy { max-width: 640px; }
}
@media (max-width: 767px) {
  .live-alert-block { margin-top: 28px; padding-top: 28px; gap: 24px; }
  .live-alert-copy h2 { font-size: var(--heading-size); }
  .live-alert-copy > p:not(.section-eyebrow) { margin-top: 14px; }
  .live-alert-copy > p.live-alert-notice { margin-top: 12px; }
}

.service-section { padding: var(--section-space) 0; background: var(--color-bg-soft); }
.service-heading { max-width: 850px; margin: 0 0 36px; text-align: left; }
.service-heading h2 { font-size: 32px; }
.service-steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin: 0; padding: 0; list-style: none; }
.service-steps li { position: relative; min-width: 0; padding: 0 20px 4px 0; }
.service-steps li:not(:last-child)::after { position: absolute; top: 18px; right: 0; width: 18px; border-top: 1px solid var(--color-border); content: ""; }
.service-steps span { display: inline-grid; width: 34px; height: 34px; place-items: center; color: var(--color-muted); border: 1px solid transparent; font-family: var(--font-mono); font-size: 12px; font-variant-numeric: tabular-nums; line-height: 1.5; }
.service-steps h3 { margin: 18px 0 0; font-size: var(--type-support); letter-spacing: 0; line-height: 1.5; font-weight: 600; }
.service-steps p { margin: 9px 0 0; color: var(--color-body); font-size: var(--type-body); line-height: 1.8; }
.settings-block { display: grid; grid-template-columns: minmax(0, .72fr) minmax(0, 1.28fr); gap: 48px; align-items: center; margin-top: 64px; padding: 32px; border: 1px solid transparent; border-radius: var(--radius-lg); background: var(--color-bg); }
.settings-copy h3, .suitability-section h3 { font-size: var(--type-subsection); }
.settings-media { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-items: center; }
.settings-media img { max-height: 460px; width: auto; max-width: 100%; margin: 0 auto; object-fit: contain; }
.suitability-section { margin-top: clamp(60px, 8vw, 96px); }
.suitability-section > header { max-width: 650px; margin-bottom: 28px; }
.suitability-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.suitability-panel { padding: 24px 0 0; border-top: 1px solid var(--color-border); }
.suitability-panel h4 { margin: 0; font-size: 20px; font-weight: 600; letter-spacing: -.01em; line-height: 1.5; }
.suitability-panel ul { display: grid; gap: 13px; margin: 20px 0 0; padding: 0; list-style: none; color: var(--color-body); font-size: var(--type-body); line-height: 1.8; }
.suitability-panel li { position: relative; padding-left: 25px; }
.suitability-panel li::before { position: absolute; left: 0; top: .45em; width: 12px; height: 7px; border-bottom: 2px solid var(--color-muted); border-left: 2px solid var(--color-muted); content: ""; transform: rotate(-45deg); }
.suitability-panel-neutral li::before { top: .78em; width: 12px; height: 2px; border: 0; border-radius: 99px; background: var(--color-muted); transform: none; }

/* Phase 6: FAQ, risk and community conversion */
.faq-section { padding: var(--section-space) 0; background: var(--color-bg); }
.faq-heading { max-width: 860px; margin: 0 auto 36px; text-align: left; }
.faq-list { display: grid; max-width: 860px; margin: 0 auto; border-top: 1px solid var(--color-border); }
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-item summary { display: flex; min-height: 70px; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 4px; cursor: pointer; color: var(--color-text); font-size: var(--type-support); font-weight: 600; line-height: 1.5; list-style: none; }
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { flex: 0 0 auto; color: var(--color-primary); content: "+"; font-size: 26px; font-weight: 400; transition: transform 220ms ease; }
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { max-width: 44em; margin: 0; padding: 0 42px 22px 4px; color: var(--color-body); font-size: var(--type-body); line-height: 1.8; }
.risk-section { padding: 56px 0; border-top: 1px solid var(--color-border); background: var(--color-bg-soft); }
.risk-content { max-width: 860px; }
.risk-content > p:not(.section-eyebrow) { max-width: 44em; margin: 18px 0 0; color: var(--color-body); font-size: var(--type-body); line-height: 1.8; }
.risk-content ul { display: grid; gap: 10px; margin: 24px 0 0; padding: 0; list-style: none; color: var(--color-body); font-size: var(--type-body); line-height: 1.8; }
.risk-content li { position: relative; padding-left: 23px; }
.risk-content li::before { position: absolute; top: .66em; left: 2px; width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary); content: ""; }
.community-section { padding: var(--section-space) 0; color: var(--color-text); border-top: 1px solid var(--color-border); background: var(--color-bg); }
.community-layout { display: grid; grid-template-columns: minmax(0, .9fr) minmax(300px, 1fr); gap: clamp(40px, 5vw, 76px); align-items: center; }
.community-channels { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.community-channels.is-single { grid-template-columns: minmax(0, 420px); justify-content: start; }
.community-channels .community-card { align-content: start; gap: 12px; }
.community-channels .community-card p { margin: 0; color: var(--color-body); }
.community-channels .community-card a { margin-top: 0; }
.community-channels .community-card img { width: min(100%, 280px); }
.community-copy .section-eyebrow { color: var(--color-primary); }
.community-copy h2 { color: var(--color-text); font-size: var(--heading-size); }
.community-copy > p:not(.section-eyebrow) { max-width: 480px; margin: 18px 0 0; color: var(--color-body); font-size: var(--type-body); line-height: 1.8; }
.community-button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; margin-top: 28px; padding: 0 22px; color: #fff; border: 1px solid var(--color-primary); border-radius: var(--radius-sm); background: var(--color-primary); font: inherit; font-weight: 600; }
.community-button[aria-disabled="true"] { color: var(--color-muted); cursor: not-allowed; border-color: var(--color-border); background: var(--color-bg-soft); }
.community-button:not([aria-disabled="true"]):hover { background: var(--color-primary-hover); }
.community-button:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 4px; }
.community-copy small { display: block; margin-top: 12px; color: var(--color-muted); font-size: 13px; line-height: 1.6; }
.community-card { display: grid; justify-items: center; padding: 24px; border: 1px solid var(--color-border); border-radius: var(--radius-lg); background: var(--color-bg-soft); }
.community-card img { display: block; width: min(100%, 310px); height: auto; border-radius: var(--radius-md); }
.community-card div { display: grid; gap: 4px; width: min(100%, 310px); margin-top: 20px; }
.community-card span { color: var(--color-muted); font-size: 13px; }
.community-card strong { color: var(--color-text); font-size: 20px; }
.community-card button { width: min(100%, 310px); min-height: 46px; margin-top: 16px; border-radius: var(--radius-sm); font: inherit; font-weight: 600; }
.community-card button:disabled { color: var(--color-muted); cursor: not-allowed; border: 1px solid var(--color-border); background: var(--color-bg-soft); }
.community-card button:not(:disabled) { color: #fff; cursor: pointer; border: 1px solid var(--color-primary); background: var(--color-primary); }
.community-card button:not(:disabled):hover { background: var(--color-primary-hover); }
.community-card button:focus-visible { outline: 3px solid var(--color-primary); outline-offset: 4px; }
.qq-community-card { justify-items: stretch; gap: 0; padding: 28px; }
.qq-community-heading { display: grid; gap: 5px; }
.qq-community-heading > strong { font-size: 21px; }
.qq-community-heading > span { color: var(--color-body); font-size: 14px; overflow-wrap: anywhere; }
.qq-group-info { display: grid; grid-template-columns: minmax(0, 1fr) auto; column-gap: 16px; row-gap: 6px; width: 100%; margin: 20px 0 0; padding: 17px; border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-bg); }
.qq-group-label { grid-column: 1 / -1; color: var(--color-muted); font-size: 13px; font-weight: 600; }
.qq-group-number { grid-column: 1 / -1; align-self: center; color: var(--color-text); font-size: clamp(28px, 2.2vw, 32px) !important; font-variant-numeric: tabular-nums; letter-spacing: 0; line-height: 1.15; overflow-wrap: anywhere; }
.qq-group-info button { grid-column: 1; width: auto; min-height: 44px; margin-top: 8px; padding: 0 15px; align-self: center; justify-self: start; }
.qq-info-helper { margin: 15px 0 0 !important; color: var(--color-body) !important; font-size: 14px; line-height: 1.65; }
.qq-qr-block { display: grid; gap: 14px; justify-items: start; }
.qq-qr-block img { width: min(100%, 220px) !important; }
.qq-community-card.has-qr .qq-qr-block { padding-top: 2px; border-top: 1px solid var(--color-border); }
.site-footer { padding: 40px 0; background: #142235; }
.footer-layout { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 28px 36px; align-items: start; color: var(--color-dark-body); }
.site-footer .brand { color: #fff; font-size: 19px; }
.site-footer p { margin: 8px 0 0; color: var(--color-dark-body); font-size: 13px; }
.footer-links { display: flex; gap: 22px; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.footer-notes { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 12px 24px; padding-top: 24px; border-top: 1px solid #35485e; color: var(--color-dark-body); font-size: 12px; }
.footer-notes a { color: inherit; }
.footer-notes a:hover { color: #fff; }
.footer-gongan { display: inline-flex; align-items: center; gap: 5px; max-width: 100%; }
.footer-gongan img { flex: 0 0 20px; width: 20px; height: 20px; }
.footer-gongan span { min-width: 0; overflow-wrap: anywhere; }
.footer-notes a:focus-visible { color: #fff; outline: 2px solid currentColor; outline-offset: 3px; }
.content-page { min-height: calc(100dvh - 72px); padding: 64px 0 80px; background: var(--color-bg); }
.content-shell { max-width: 880px; }
.content-kicker { margin: 0 0 14px; color: var(--color-primary); font-size: 13px; font-weight: 600; line-height: 1.6; }
.content-page h1 { margin: 0; font-size: clamp(30px, 3vw, 42px); font-weight: 700; letter-spacing: -.01em; line-height: 1.35; text-wrap: balance; }
.content-updated { margin: 16px 0 0; color: var(--color-muted); font-size: var(--type-small); line-height: 1.6; }
.content-lead { margin: 28px 0 0; color: var(--color-body); font-size: var(--type-support); line-height: 1.85; max-width: 38em; }
.content-section { margin-top: 36px; }
.content-section h2 { margin: 0; font-size: var(--type-product); letter-spacing: 0; line-height: 1.5; font-weight: 600; }
.content-section p, .content-section li { color: var(--color-body); font-size: 16px; line-height: 1.85; max-width: 38em; font-weight: 400; }
.content-section p { margin: 14px 0 0; }
.content-section ul { margin: 14px 0 0; padding-left: 1.35em; }
.content-section li + li { margin-top: 7px; }
.content-back { display: inline-flex; margin-top: 42px; color: var(--color-primary); font-weight: 600; font-size: var(--type-body); line-height: 1.6; }
.content-back:hover { color: var(--color-primary-hover); }

/* Indicators Motion */
.reveal-on-scroll { opacity: 0; transform: translateY(14px); }
.reveal-on-scroll.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: no-preference) {
  .reveal-on-scroll { transition: opacity 500ms ease, transform 500ms cubic-bezier(.2, .8, .2, 1); }
  .indicator-grid .reveal-on-scroll:nth-child(2) { transition-delay: 70ms; }
  .indicator-grid .reveal-on-scroll:nth-child(3) { transition-delay: 140ms; }
}

/* Motion */
@media (prefers-reduced-motion: no-preference) { .hero-copy { animation: hero-reveal 620ms cubic-bezier(0.2, 0.8, 0.2, 1) both; } .hero-product { animation: product-reveal 760ms 70ms cubic-bezier(0.2, 0.8, 0.2, 1) both; } }
@keyframes hero-reveal { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes product-reveal { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }

/* Responsive */
@media (max-width: 1190px) {
  .hero-copy { padding-right: 24px; }
  .nav-links { gap: 20px; }
  .navbar { gap: 24px; }
  .nav-cta { margin-left: 12px; }
}
/* Stack below the chart/supporting-image and settings reading widths. */
@media (max-width: 920px) {
  .hero-inner { grid-template-columns: 1fr; gap: 30px; }
  .hero-copy { padding: 0; }
  .hero-product { max-width: 760px; }
  .entry-system-explainer { grid-template-columns: 1fr; gap: 16px; }
  .entry-system-pair { grid-column: 1; }
  .indicator-combined { grid-template-columns: 1fr; gap: 24px; }
  .indicator-combined { padding: 32px; }
  .evidence-history, .evidence-comparison { grid-template-columns: 1fr; gap: 28px; }
  .settings-block { grid-template-columns: 1fr; gap: 32px; }
  .service-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 36px; }
  .service-steps li:nth-child(2)::after { display: none; }
  .community-layout { grid-template-columns: 1fr; gap: 36px; }
  .community-channels { max-width: 760px; }
  .community-card { max-width: 420px; }
}
@media (max-width: 767px) {
  html { scroll-padding-top: 80px; }
  .container { width: min(calc(100% - 40px), var(--content-width)); }
  :root { --section-space: 48px; --heading-size: 27px; }
  .navbar { height: 64px; gap: 12px; }
  .brand { gap: 8px; font-size: 20px; }
  .brand-mark { width: 27px; height: 27px; }
  .nav-links { display: none; }
  .nav-cta { margin-left: auto; min-height: 44px; padding: 0 12px; font-size: 12px; }
  .hero { padding-top: 32px; }
  .hero-candles { height: 540px; }
  .hero-inner { gap: 28px; }
  .hero-tag { margin-bottom: 16px; font-size: 12px; }
  .hero h1 { font-size: clamp(30px, 8.2vw, 35px); line-height: 1.4; }
  .hero-description { margin-top: 18px; font-size: var(--type-body); }
  .desktop-only { display: none; }
  .hero-actions { gap: 16px; margin-top: 22px; }
  .button { min-height: 46px; padding: 0 16px; font-size: 14px; }
  .button-secondary { padding: 0; gap: 6px; }
  .button-secondary svg { width: 17px; height: 17px; }
  .product-chip { padding: 9px 12px; font-size: var(--type-caption); }
  .trust-items { grid-template-columns: 1fr; gap: 12px; margin-top: 28px; padding: 22px 0 26px; }
  .trust-item { font-size: 12px; }
  .trust-item svg { width: 18px; height: 18px; }
  .section-heading, .evidence-heading, .service-heading, .faq-heading { margin-bottom: 28px; }
  .service-heading h2 { font-size: var(--heading-size); }
  .section-heading > p:last-child { font-size: var(--type-body); }
  .indicator-grid { grid-template-columns: 1fr; gap: 20px; }
  .indicator-card, .indicator-card:first-child { display: flex; padding: 22px; }
  .indicator-card h3 { font-size: var(--type-product); }
  .indicator-card h4 { font-size: var(--type-support); }
  .indicator-card > p { font-size: var(--type-body); }
  .indicator-card img, .indicator-card:first-child img { margin-top: 22px; padding-top: 0; }
  .entry-system-explainer { margin-top: 28px; padding: 24px 0; gap: 14px; }
  .entry-system-explainer h2, .indicator-combined h2, .evidence-copy h3, .settings-copy h3, .suitability-section h3 { font-size: var(--type-subsection); }
  .indicator-combined .combined-copy > p:not(.section-eyebrow) { font-size: var(--type-body); }
  .entry-system-pair { column-gap: 8px; }
  .indicator-combined { padding: 24px 20px; }
  .evidence-block { margin-top: 32px; padding-top: 28px; }
  .evidence-copy > p:not(.evidence-label) { font-size: var(--type-body); }
  .candle-comparison-gallery, .timeframe-gallery, .settings-media { grid-template-columns: 1fr; gap: 22px; }
  .service-steps { grid-template-columns: 1fr; gap: 0; }
  .service-steps li { display: grid; grid-template-columns: 34px 1fr; gap: 15px; padding: 0 0 24px; }
  .service-steps li:not(:last-child)::after { top: 42px; left: 16px; width: 1px; height: 22px; border: 0; border-left: 1px solid var(--color-border); }
  .service-steps h3 { margin: 2px 0 0; font-size: 18px; }
  .service-steps p { margin-top: 6px; }
  .settings-block { margin-top: 36px; padding: 24px 20px; }
  .settings-media { max-width: 340px; margin: 0 auto; }
  .suitability-section { margin-top: 48px; }
  .suitability-grid { grid-template-columns: 1fr; gap: 28px; }
  .suitability-panel { padding-top: 22px; }
  .faq-item summary { min-height: 66px; padding: 17px 0; font-size: 16px; }
  .faq-item p { padding-right: 18px; padding-bottom: 20px; font-size: var(--type-body); }
  .risk-section { padding: 40px 0; }
  .risk-content > p:not(.section-eyebrow) { font-size: var(--type-body); }
  .risk-content ul { font-size: var(--type-body); }
  .community-layout { gap: 28px; }
  .community-copy > p:not(.section-eyebrow) { font-size: var(--type-body); }
  .community-card { padding: 20px; }
  .community-channels, .community-channels.is-single { grid-template-columns: 1fr; max-width: none; }
  .qq-group-info { grid-template-columns: 1fr; padding: 14px; }
  .qq-group-info button { width: 100%; min-height: 44px; margin-top: 6px; justify-self: stretch; }
  .qq-info-helper { margin-top: 12px !important; }
  .site-footer { padding: 32px 0 calc(32px + env(safe-area-inset-bottom)); }
  .footer-layout { grid-template-columns: 1fr; gap: 24px; }
  .footer-links { flex-wrap: wrap; gap: 14px 18px; }
  .footer-notes { flex-direction: column; align-items: flex-start; gap: 10px; }
  .content-page { padding: 40px 0 56px; }
  .content-lead { font-size: var(--type-support); }
  .content-section { margin-top: 30px; }
  .content-section h2 { font-size: var(--type-product); }
  .content-section p, .content-section li { font-size: var(--type-body); }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .reveal-on-scroll { opacity: 1; transform: none; } *, *::before, *::after { animation-duration: 1ms !important; animation-iteration-count: 1 !important; transition-duration: 1ms !important; } }