/* Tonghuashun — financial red / dark-light mix */
:root {
  --brand: #D9363E;
  --brand-hover: #B82D34;
  --brand-soft: #F07178;
  --brand-glow: rgba(217, 54, 62, 0.38);
  --bg-dark: #111827;
  --bg-dark-2: #0F172A;
  --card-dark: #1A2332;
  --card-dark-2: #1F2A3D;
  --bg-light: #F7F9FC;
  --bg-white: #FFFFFF;
  --ink: #F8FAFC;
  --ink-soft: rgba(248, 250, 252, 0.78);
  --ink-muted: rgba(148, 163, 184, 0.95);
  --title: #101828;
  --body: #334155;
  --muted: #667085;
  --line-dark: rgba(240, 113, 120, 0.18);
  --line-light: #E2E8F0;
  --success: #10B981;
  --radius: 18px;
  --radius-sm: 14px;
  --radius-btn: 11px;
  --wrap: 1240px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --font-display: "Sora", "Noto Sans SC", "Avenir Next", sans-serif;
  --font-body: "Noto Sans SC", "Source Sans 3", "Avenir Next", sans-serif;
  --shadow: 0 22px 50px rgba(8, 14, 28, 0.45);
  --shadow-light: 0 16px 40px rgba(15, 23, 42, 0.08);
}

*,
*::before,
*::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  background: var(--bg-dark);
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg-dark);
  text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p, h1, h2, h3, h4 { margin: 0; }
figure { margin: 0; }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #000;
  color: #fff;
  padding: 0.75rem 1rem;
  z-index: 10000;
}
.skip:focus { left: 1rem; top: 1rem; }

.wrap {
  width: min(100% - 2.25rem, var(--wrap));
  margin-inline: auto;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brand-soft);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.65rem, 2.6vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.22;
}

.section-lead {
  margin-top: 0.9rem;
  max-width: 42rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.section-head { margin-bottom: 1.75rem; max-width: 42rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head.center .section-lead { margin-inline: auto; }
#features .section-head,
#features .features-head {
  max-width: 52rem;
}
@media (min-width: 1100px) {
  #features .section-title {
    white-space: nowrap;
  }
}
.features-kicker {
  margin-top: 0.85rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.45;
}
.features-head .section-lead {
  max-width: 48rem;
  color: var(--ink-soft);
}

.section {
  padding: clamp(3.5rem, 7vw, 5.5rem) 0;
}

.section-cta { margin-top: 1.75rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-btn);
  font-weight: 650;
  font-size: 0.95rem;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary {
  background: linear-gradient(135deg, #E85A61, var(--brand));
  color: #fff;
  box-shadow: 0 10px 30px var(--brand-glow);
}
.btn-primary:hover { background: linear-gradient(135deg, #F07178, var(--brand-hover)); }
.btn-ghost {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--line-dark);
  color: var(--ink);
  backdrop-filter: blur(10px);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); }
.btn-dark {
  background: var(--title);
  color: #fff;
}
.btn-dark:hover { background: #1e293b; }
.btn-outline-light {
  background: transparent;
  border: 1px solid var(--line-light);
  color: var(--title);
}
.btn-outline-light:hover { border-color: var(--brand); color: var(--brand); }
.btn-wide { width: 100%; }
.btn-sm { min-height: 40px; padding: 0.5rem 1rem; font-size: 0.88rem; }
.btn-ext::after {
  content: "↗";
  font-size: 0.85em;
  opacity: 0.85;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  backdrop-filter: blur(16px);
  background: rgba(11, 18, 32, 0.82);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.site-header.is-scrolled {
  border-bottom-color: var(--line-dark);
  background: rgba(11, 18, 32, 0.94);
}
.site-header .bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1rem;
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: -0.02em;
}
.logo-img {
  width: auto;
  height: 36px;
  display: block;
  object-fit: contain;
  object-position: left center;
}
@media (min-width: 720px) { .logo-img { height: 40px; } }
.footer-brand .logo-img { height: 36px; }

.nav-desktop {
  display: none;
  align-items: center;
  gap: 0.15rem;
}
.nav-link {
  padding: 0.55rem 0.85rem;
  border-radius: 10px;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 550;
  transition: background 0.2s, color 0.2s;
}
.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}
.btn-header { min-height: 40px; padding: 0.45rem 1rem; font-size: 0.88rem; }

.langs,
.menu { position: relative; }
.langs summary,
.menu summary { list-style: none; }
.langs summary::-webkit-details-marker,
.menu summary::-webkit-details-marker { display: none; }

.lang-toggle,
.menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-height: 40px;
  padding: 0.45rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--line-dark);
  background: rgba(255, 255, 255, 0.04);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink-soft);
  cursor: pointer;
}
.lang-toggle:hover,
.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--ink);
  border-color: rgba(240, 113, 120, 0.35);
}
.lang-toggle::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid currentColor;
  opacity: 0.7;
}
.langs[open] .lang-toggle {
  background: rgba(217, 54, 62, 0.16);
  border-color: rgba(240, 113, 120, 0.4);
  color: var(--ink);
}

.lang-drop {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 0.5rem);
  min-width: 148px;
  padding: 0.5rem;
  border-radius: 14px;
  background: var(--card-dark);
  border: 1px solid var(--line-dark);
  box-shadow: var(--shadow);
  z-index: 120;
}
.langs[open] .lang-drop { display: grid; gap: 0.2rem; }
.lang-drop a {
  padding: 0.55rem 0.75rem;
  border-radius: 8px;
  color: var(--ink-soft);
  font-size: 0.9rem;
}
.lang-drop a.is-on,
.lang-drop a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--ink);
}

.menu-panel {
  position: absolute;
  right: 0;
  top: calc(100% + 0.55rem);
  width: min(18rem, calc(100vw - 2rem));
  padding: 0.75rem;
  border-radius: 16px;
  background: var(--card-dark);
  border: 1px solid var(--line-dark);
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.2rem;
  z-index: 120;
}
.menu-panel a {
  padding: 0.65rem 0.8rem;
  border-radius: 10px;
  color: var(--ink-soft);
  font-size: 0.92rem;
}
.menu-panel a:hover { background: rgba(255, 255, 255, 0.06); color: var(--ink); }
.menu-cta { margin-top: 0.45rem; }

@media (min-width: 980px) {
  .nav-desktop { display: flex; }
  .menu { display: none; }
}

/* Trust strip */
.trust-strip {
  background: rgba(217, 54, 62, 0.12);
  border-bottom: 1px solid var(--line-dark);
  color: var(--ink-soft);
  font-size: 0.88rem;
  padding: 0.65rem 0;
}
.trust-strip .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  justify-content: space-between;
}
.trust-strip a { color: var(--brand-soft); text-decoration: underline; text-underline-offset: 3px; }

/* Hero */
.hero {
  position: relative;
  padding: clamp(2.5rem, 6vw, 4.5rem) 0 clamp(3.5rem, 7vw, 5.5rem);
  overflow: visible;
  background:
    radial-gradient(ellipse 70% 55% at 75% 35%, rgba(217, 54, 62, 0.28), transparent 60%),
    radial-gradient(ellipse 50% 40% at 15% 80%, rgba(217, 54, 62, 0.12), transparent 55%),
    linear-gradient(180deg, #111827 0%, #0F172A 100%);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 2.75rem);
  align-items: stretch;
}
@media (min-width: 960px) {
  .hero .wrap.hero-grid {
    width: min(100% - 1rem, 1480px);
  }
}
.hero-copy {
  width: 100%;
  max-width: none;
  text-align: center;
}
.hero-title {
  margin-top: 0.85rem;
  margin-inline: auto;
  max-width: 18em;
  font-family: var(--font-display);
  font-size: clamp(2.15rem, 4.4vw, 3.35rem);
  font-weight: 750;
  letter-spacing: -0.035em;
  line-height: 1.18;
}
.hero-title br { display: block; content: ""; }
.hero-title em {
  font-style: normal;
  background: linear-gradient(120deg, #FCA5A5, #D9363E);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero-lead {
  margin-top: 1.1rem;
  margin-inline: auto;
  max-width: 52rem;
  color: var(--ink-soft);
  font-size: 1.08rem;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
  justify-content: center;
}
.platform-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.65rem;
  margin-top: 1.75rem;
  margin-inline: auto;
  max-width: 32rem;
  width: 100%;
}
.platform-chip {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  aspect-ratio: 1 / 1;
  width: 100%;
  min-width: 0;
  padding: 0.55rem 0.35rem;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--line-dark);
  text-align: center;
  transition: border-color 0.2s, background 0.2s, transform 0.2s;
}
.platform-chip:hover {
  border-color: rgba(240, 113, 120, 0.45);
  background: rgba(217, 54, 62, 0.12);
  transform: translateY(-2px);
}
.platform-chip-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  display: grid;
  place-items: center;
  overflow: hidden;
  flex-shrink: 0;
}
.platform-chip-icon img { width: 20px; height: 20px; }
.platform-chip > span:last-child {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
  min-width: 0;
  width: 100%;
}
.platform-chip strong {
  display: block;
  font-size: 0.72rem;
  line-height: 1.15;
  font-weight: 650;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}
.platform-chip small {
  display: none;
  color: var(--ink-muted);
  font-size: 0.62rem;
  line-height: 1.2;
}
@media (min-width: 720px) {
  .platform-strip { max-width: 36rem; gap: 0.75rem; }
  .platform-chip { padding: 0.65rem 0.4rem; gap: 0.5rem; }
  .platform-chip-icon { width: 40px; height: 40px; }
  .platform-chip-icon img { width: 22px; height: 22px; }
  .platform-chip strong { font-size: 0.8rem; }
}
@media (max-width: 520px) {
  .platform-strip {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.4rem;
    max-width: none;
  }
  .platform-chip { border-radius: 12px; padding: 0.4rem 0.2rem; }
  .platform-chip-icon { width: 28px; height: 28px; border-radius: 8px; }
  .platform-chip-icon img { width: 16px; height: 16px; }
  .platform-chip strong { font-size: 0.62rem; }
}

.hero-visual {
  position: relative;
  width: 100%;
  max-width: none;
  justify-self: stretch;
  margin-inline: auto;
}
.hero-glow {
  position: absolute;
  inset: -8% -6% auto auto;
  width: 70%;
  height: 70%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 54, 62, 0.35), transparent 68%);
  filter: blur(8px);
  pointer-events: none;
  z-index: 0;
}
.hero-art {
  position: relative;
  z-index: 1;
  border-radius: 22px;
  border: 1px solid rgba(240, 113, 120, 0.22);
  box-shadow: var(--shadow);
  width: 100%;
  height: auto;
}

/* Light band sections */
.band-light {
  background: var(--bg-light);
  color: var(--body);
}
.band-light .section-title,
.band-light h1,
.band-light h2,
.band-light h3 { color: var(--title); }
.band-light .section-lead,
.band-light .page-lead,
.band-light p { color: var(--body); }
.band-light .eyebrow { color: var(--brand); }
.band-white { background: var(--bg-white); color: var(--body); }
.band-white .section-title,
.band-white h2,
.band-white h3 { color: var(--title); }
.band-white .section-lead,
.band-white p { color: var(--body); }
.band-white .eyebrow { color: var(--brand); }
.band-dark {
  background: linear-gradient(180deg, #111827, #0F172A);
  color: var(--ink);
}

/* Advantage cards */
.section-head.center {
  max-width: 52rem;
}
.section-head.center .section-lead {
  max-width: 48rem;
}

.adv-intro {
  display: grid;
  gap: 1.75rem;
  align-items: start;
  margin-bottom: 2.5rem;
}
@media (min-width: 960px) {
  .adv-intro {
    grid-template-columns: 0.88fr 1.12fr;
    gap: 2rem;
    margin-bottom: 3rem;
  }
}
.adv-intro-copy {
  padding-top: 0;
}
.adv-intro-copy .section-title {
  margin-top: 0;
  color: var(--title);
}
.adv-intro-copy .section-lead {
  margin-top: 0.9rem;
  max-width: none;
  color: var(--body);
}
.adv-intro-copy .adv-intro-tag {
  margin-top: 0;
  margin-bottom: 0.65rem;
}
.adv-visual {
  margin: 0;
  max-width: none;
}
@media (min-width: 960px) {
  .adv-visual {
    width: 108%;
    max-width: none;
    margin-right: -4%;
  }
}
.adv-visual img {
  width: 100%;
  border-radius: 0;
  border: 0;
  box-shadow: none;
  background: transparent;
}

.adv-intro-copy .adv-tags {
  justify-content: flex-start;
  margin-top: 1.15rem;
}
.adv-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  justify-content: flex-start;
  margin-top: 1.15rem;
}
.adv-tags li {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: rgba(217, 54, 62, 0.08);
  border: 1px solid #FECACA;
  color: var(--brand);
  font-size: 0.88rem;
  font-weight: 600;
}

.adv-grid {
  display: grid;
  gap: 1.1rem;
}
.adv-grid--6 {
  margin-top: 0.5rem;
}
@media (min-width: 720px) {
  .adv-grid--6 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1020px) {
  .adv-grid--6 { grid-template-columns: repeat(3, 1fr); }
}
.adv-card {
  padding: 1.35rem 1.25rem 1.4rem;
  border-radius: var(--radius);
  background: var(--bg-white);
  border: 1px solid var(--line-light);
  box-shadow: var(--shadow-light);
  transition: transform 0.25s var(--ease), border-color 0.25s;
  overflow: hidden;
}
.adv-card:hover {
  transform: translateY(-3px);
  border-color: #FECACA;
}
.adv-card-art {
  float: right;
  width: 44%;
  max-width: 10.5rem;
  aspect-ratio: 1;
  height: auto;
  object-fit: cover;
  border-radius: 14px;
  margin: 0 0 0.65rem 0.85rem;
  shape-outside: margin-box;
  box-shadow: 0 10px 24px rgba(11, 31, 58, 0.14);
  background: #0F172A;
}
.adv-num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--brand);
  margin: 0 0 0.4rem;
}
.adv-card h3 {
  font-family: var(--font-display);
  font-size: 1.12rem;
  margin: 0 0 0.28rem;
  color: var(--title);
  line-height: 1.3;
  overflow-wrap: anywhere;
}
.adv-card-kicker {
  color: var(--title) !important;
  font-weight: 600;
  font-size: 0.95rem !important;
  margin: 0 0 0.45rem;
  opacity: 0.78;
  line-height: 1.4;
  overflow-wrap: anywhere;
}
.adv-card-body {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
  margin: 0;
  overflow-wrap: break-word;
  word-break: break-word;
}
.adv-card::after {
  content: "";
  display: table;
  clear: both;
}
.adv-card p { color: var(--muted); font-size: 0.95rem; line-height: 1.65; }
.adv-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 2rem;
}
#advantages.section {
  padding-bottom: clamp(1.75rem, 3vw, 2.5rem);
}
#supercharts.section {
  padding-top: clamp(1.75rem, 3vw, 2.5rem);
}
.adv-icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(217, 54, 62, 0.1);
  color: var(--brand);
  margin-bottom: 1rem;
}

/* Split feature */
.split {
  display: grid;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 960px) {
  .split { grid-template-columns: 1fr 1fr; gap: 3.25rem; }
  .split.is-reverse > :first-child { order: 2; }
}
.split-copy .section-title { margin-top: 0.55rem; }
.split-visual img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line-light);
  box-shadow: var(--shadow-light);
}
@media (min-width: 960px) {
  .section#supercharts .split-visual {
    width: 118%;
    max-width: none;
    margin-right: -8%;
  }
}
.band-dark .split-visual img {
  border-color: var(--line-dark);
  box-shadow: var(--shadow);
}
.split-points {
  display: grid;
  gap: 0.55rem;
  margin-top: 1.25rem;
}
.split-points li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  color: var(--muted);
}
.band-dark .split-points li { color: var(--ink-soft); }
.split-points li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 0.55rem;
  border-radius: 50%;
  background: var(--brand);
  flex-shrink: 0;
}

/* Feature cards 6 */
.feature-grid {
  display: grid;
  gap: 1.1rem;
}
@media (min-width: 720px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1040px) {
  .feature-grid { grid-template-columns: repeat(3, 1fr); }
}
.feature-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.45rem 1.35rem 1.55rem;
  border-radius: var(--radius);
  background: var(--card-dark);
  border: 1px solid var(--line-dark);
  transition: transform 0.25s var(--ease), border-color 0.25s, box-shadow 0.25s;
}
.feature-card:hover {
  transform: translateY(-3px);
  border-color: rgba(240, 113, 120, 0.4);
  box-shadow: 0 18px 40px rgba(8, 14, 28, 0.35);
}
.feature-card .num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--brand-soft);
  margin-bottom: 0.85rem;
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.08rem;
  margin-bottom: 0.65rem;
  line-height: 1.4;
  color: var(--ink);
}
.feature-card p { color: var(--ink-soft); font-size: 0.94rem; line-height: 1.65; }
.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: auto;
  padding-top: 1rem;
}
.feature-tags li {
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  background: rgba(217, 54, 62, 0.14);
  border: 1px solid rgba(240, 113, 120, 0.28);
  color: #FCA5A5;
  font-size: 0.78rem;
  font-weight: 600;
}
.features-cta {
  margin-top: 2.75rem;
  padding: 2rem 1.5rem;
  text-align: center;
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line-dark);
}
.features-cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.features-cta-lead {
  margin: 0.85rem auto 0;
  max-width: 44rem;
  color: var(--ink-soft);
  font-size: 0.98rem;
  line-height: 1.7;
}
.features-cta .hero-actions {
  margin-top: 1.35rem;
  justify-content: center;
}

.band-light .feature-card {
  background: var(--bg-white);
  border-color: var(--line-light);
  box-shadow: var(--shadow-light);
}
.band-light .feature-card h3 { color: var(--title); }
.band-light .feature-card p { color: var(--muted); }
.band-light .feature-card .num { color: var(--brand); }
.band-light .feature-tags li {
  background: rgba(217, 54, 62, 0.08);
  border-color: #FECACA;
  color: var(--brand);
}

/* Download cards */
.dl-grid {
  display: grid;
  gap: 0.75rem;
  max-width: none;
  margin-inline: auto;
  grid-template-columns: 1fr;
  overflow: visible;
  padding: 0.5rem 0.25rem 0.75rem;
}
#versions.section {
  padding-bottom: clamp(1.75rem, 3.5vw, 2.5rem);
}
#compare.section {
  padding-top: clamp(1.75rem, 3.5vw, 2.5rem);
}
@media (min-width: 640px) {
  .dl-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .dl-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .dl-card {
    padding: 0.9rem 0.65rem 1rem;
    gap: 0.45rem;
  }
  .dl-card h3 { font-size: 0.92rem; line-height: 1.3; }
  .dl-meta { font-size: 0.78rem; }
  .dl-card .platform-chip-icon {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 14px;
  }
  .dl-card .platform-chip-icon img,
  .dl-card .platform-chip-icon svg {
    width: 2rem;
    height: 2rem;
  }
  .dl-card .btn {
    width: 100%;
    padding-inline: 0.5rem;
    font-size: 0.78rem;
  }
}
.dl-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.55rem;
  padding: 1rem 0.95rem 1.05rem;
  border-radius: calc(var(--radius) - 2px);
  background: var(--bg-white);
  border: 1.5px solid #F07178;
  box-shadow: var(--shadow-light);
  color: var(--body);
  text-align: center;
  transform-origin: center center;
  transition:
    transform 0.28s var(--ease),
    border-color 0.28s ease,
    box-shadow 0.28s ease,
    background-color 0.28s ease;
  will-change: transform;
}
.dl-card:hover,
.dl-card[data-reveal].is-in:hover,
a.dl-card:hover,
a.dl-card[data-reveal].is-in:hover {
  transform: translateY(-10px) scale(1.08) !important;
  z-index: 3;
  border-color: #22C55E;
  background: #F0FDF4;
  box-shadow:
    0 0 0 1px rgba(34, 197, 94, 0.4),
    0 18px 40px rgba(34, 197, 94, 0.32),
    0 10px 20px rgba(15, 23, 42, 0.1);
}
.dl-card:hover .btn-primary,
.dl-card[data-reveal].is-in:hover .btn-primary {
  background: linear-gradient(135deg, #4ADE80, #16A34A);
  box-shadow: 0 10px 24px rgba(34, 197, 94, 0.35);
}
.dl-card:hover .btn-dark,
.dl-card[data-reveal].is-in:hover .btn-dark {
  background: #15803D;
  border-color: #15803D;
}
.dl-card h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  color: var(--title);
}
.dl-card p { color: var(--muted); font-size: 0.86rem; line-height: 1.55; flex: 1; }
.dl-card .platform-chip-icon {
  width: 4.25rem;
  height: 4.25rem;
  border-radius: 18px;
  background: #0F172A;
  border: 0;
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.18);
}
.dl-card .platform-chip-icon img,
.dl-card .platform-chip-icon svg {
  width: 2.5rem;
  height: 2.5rem;
  display: block;
}
.dl-card .platform-chip-icon--mac img {
  width: 2.35rem;
  height: 2.35rem;
}
.dl-card .platform-chip-icon--ios img {
  width: 2.35rem;
  height: 2.35rem;
}
.dl-card .platform-chip-icon--web svg {
  stroke: #FCA5A5;
}
.dl-meta {
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--muted);
  flex: 1;
  margin: 0;
}
.dl-card .btn { align-self: center; margin-top: auto; }

.download-modules {
  display: grid;
  gap: 1.1rem;
}
@media (min-width: 900px) {
  .download-modules { grid-template-columns: repeat(3, 1fr); }
}
.module-card {
  padding: 1.5rem 1.35rem;
  border-radius: var(--radius);
  background: var(--card-dark);
  border: 1px solid var(--line-dark);
}
.module-card h3 {
  font-family: var(--font-display);
  font-size: 1.08rem;
  margin: 0.35rem 0 0.65rem;
}
.module-card p { color: var(--ink-soft); font-size: 0.96rem; }
.module-card .num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--brand-soft);
}

.req-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line-light);
  background: var(--bg-white);
}
.req-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}
.req-table th,
.req-table td {
  padding: 0.95rem 1.1rem;
  text-align: left;
  border-bottom: 1px solid var(--line-light);
  color: var(--body);
}
.req-table th {
  background: #EEF4FF;
  color: var(--title);
  font-weight: 650;
}
.req-table tr:last-child td { border-bottom: 0; }
.req-table a { color: var(--brand); font-weight: 600; }

/* Page hero */
.page-hero {
  padding: clamp(2.2rem, 5vw, 3.5rem) 0 2.5rem;
  background:
    radial-gradient(ellipse 60% 50% at 80% 0%, rgba(217, 54, 62, 0.22), transparent 55%),
    linear-gradient(180deg, #111827, #0F172A);
}
.page-hero h1 {
  margin-top: 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  letter-spacing: -0.03em;
  line-height: 1.18;
}
.page-lead {
  margin-top: 0.95rem;
  max-width: 46rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  color: var(--ink-muted);
  font-size: 0.88rem;
}
.breadcrumb a { color: var(--brand-soft); }
.download-hub-copy {
  max-width: none;
  text-align: left;
}
.download-hub-copy h1 {
  max-width: none;
}
.download-hub-copy .page-lead {
  max-width: min(72rem, 100%);
}
.page-hero .features-hero-copy {
  text-align: left;
}
.page-hero .features-hero-copy .eyebrow {
  margin-top: 1rem;
}
.page-hero .features-hero-copy h1,
.page-hero .features-hero-copy .features-hero-kicker,
.page-hero .features-hero-copy .page-lead {
  max-width: none;
  text-align: left;
}
.features-hero-kicker {
  margin-top: 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  font-weight: 600;
  color: var(--ink);
  line-height: 1.45;
}
.page-hero .features-hero-copy .page-lead + .page-lead {
  margin-top: 0.85rem;
}
.features-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
  justify-content: flex-start;
}
.features-hero-tags li {
  padding: 0.35rem 0.8rem;
  border-radius: 999px;
  background: rgba(217, 54, 62, 0.16);
  border: 1px solid rgba(240, 113, 120, 0.35);
  color: #FCA5A5;
  font-size: 0.84rem;
  font-weight: 600;
}
.faq-hero-note {
  margin-top: 1.1rem;
  color: var(--ink-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}
.page-hero .features-hero-copy .hero-actions {
  margin-top: 1.5rem;
  justify-content: flex-start;
}

/* Feature page zigzag */
.zigzag { display: grid; gap: 0; }
.zigzag-item {
  padding: clamp(3rem, 6vw, 4.5rem) 0;
}
.zigzag-item:nth-child(odd) { background: var(--bg-light); color: var(--body); }
.zigzag-item:nth-child(even) { background: var(--bg-white); color: var(--body); }
.zigzag-item .section-title { color: var(--title); }
.zigzag-item .section-lead,
.zigzag-item p { color: var(--body); }
.zigzag-item .eyebrow { color: var(--brand); }
.zigzag-item .wrap.split {
  align-items: start;
  text-align: left;
}
.zigzag-item .split-copy {
  text-align: left;
  width: 100%;
  max-width: none;
}
.zigzag-item .split-copy .section-lead {
  max-width: none;
}
.zigzag-item .split-visual {
  width: 100%;
  max-width: none;
  margin: 0;
}
/* Keep 01 copy flush with page-hero left edge inside shared .wrap */
#supercharts.split-copy,
#supercharts .split-copy {
  justify-self: stretch;
}
@media (min-width: 960px) {
  .zigzag-item .wrap.split {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 2.5rem;
  }
  .zigzag-item .wrap.split.is-reverse {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
}

/* FAQ */
.faq-hero-grid {
  display: block;
  max-width: none;
  text-align: left;
}
.faq-hero-copy {
  max-width: none;
  text-align: left;
}
.faq-hero-copy .eyebrow { margin-top: 1rem; }
.faq-hero-badge {
  margin: 0.65rem 0 0;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #FCA5A5;
}
.faq-hero-copy h1 {
  margin-top: 0.55rem;
  max-width: min(56rem, 100%);
}
.faq-hero-copy .features-hero-kicker,
.faq-hero-copy .page-lead {
  max-width: min(64rem, 100%);
}
.faq-cats-section {
  padding-top: clamp(2rem, 4vw, 3rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
}
.faq-cats-intro {
  max-width: none;
  margin-bottom: 1.35rem;
  text-align: left;
}
.faq-cat-grid {
  display: grid;
  gap: 0.75rem;
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .faq-cat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (min-width: 960px) {
  .faq-cat-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}
.faq-cat-card {
  display: block;
  padding: 1.05rem 1.1rem;
  border-radius: calc(var(--radius) - 2px);
  background: var(--bg-white);
  border: 1.5px solid #F07178;
  box-shadow: var(--shadow-light);
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s var(--ease), border-color 0.25s ease, box-shadow 0.25s ease;
}
.faq-cat-card:hover {
  transform: translateY(-4px);
  border-color: #22C55E;
  box-shadow: 0 12px 28px rgba(34, 197, 94, 0.18);
}
.faq-cat-card h3 {
  margin: 0 0 0.35rem;
  font-size: 1.05rem;
  color: var(--title);
}
.faq-cat-card p {
  margin: 0;
  font-size: 0.86rem;
  color: var(--muted);
}
.faq-cats-note {
  margin-top: 1.15rem;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.55;
}
.faq-cats-note a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.faq-section-gap { margin-top: clamp(2.25rem, 4vw, 3.25rem); }
#install,
#account,
#usage,
#update,
#faq-browse {
  scroll-margin-top: calc(var(--header-h) + 1rem);
}
.faq-end-cta {
  max-width: 46rem;
}
.faq-end-cta .hero-actions { margin-top: 1.25rem; }
.faq-list { display: grid; gap: 0.75rem; }
.faq-item {
  border-radius: var(--radius-sm);
  border: 1px solid var(--line-light);
  background: var(--bg-white);
  overflow: hidden;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 1.05rem 1.2rem;
  font-weight: 650;
  color: var(--title);
  position: relative;
  padding-right: 2.6rem;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 1.15rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--brand);
  font-size: 1.25rem;
  font-weight: 500;
}
.faq-item[open] summary::after { content: "–"; }
.faq-a {
  padding: 0 1.2rem 1.15rem;
  color: var(--body);
  border-top: 1px solid transparent;
}
.faq-a p + p { margin-top: 0.65rem; }
.faq-empty {
  padding: 1.5rem;
  text-align: center;
  color: var(--muted);
  border: 1px dashed var(--line-light);
  border-radius: var(--radius-sm);
}

.band-dark .faq-item {
  background: var(--card-dark);
  border-color: var(--line-dark);
}
.band-dark .faq-item summary { color: var(--ink); }
.band-dark .faq-a { color: var(--ink-soft); }

/* CTA banner */
.cta-banner {
  text-align: left;
  background:
    radial-gradient(ellipse 55% 70% at 18% 0%, rgba(217, 54, 62, 0.28), transparent 60%),
    linear-gradient(180deg, #0F172A, #111827);
}
.cta-banner .eyebrow {
  margin-bottom: 0.85rem;
}
.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  letter-spacing: -0.03em;
  max-width: 28rem;
}
.cta-banner p {
  margin: 0.9rem 0 0;
  max-width: 46rem;
  color: var(--ink-soft);
}
.cta-banner .hero-actions { justify-content: flex-start; }
.info-note {
  margin-top: 1.25rem;
  font-size: 0.88rem;
  color: var(--ink-muted);
}

/* Footer */
.site-footer {
  padding: 3.5rem 0 2rem;
  background: #070C16;
  border-top: 1px solid var(--line-dark);
  color: var(--ink-soft);
}
.footer-grid {
  display: grid;
  gap: 2rem;
}
@media (min-width: 900px) {
  .footer-grid { grid-template-columns: 1.45fr 0.7fr 0.85fr 0.85fr; gap: 2.5rem; }
}
.footer-brand .logo { display: inline-flex; }
.footer-brand-title {
  margin-top: 1.1rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.footer-brand-kicker {
  margin-top: 0.35rem;
  color: var(--brand-soft);
  font-size: 0.92rem;
  font-weight: 600;
}
.footer-brand p {
  margin-top: 0.85rem;
  max-width: 30rem;
  color: var(--ink-muted);
  font-size: 0.94rem;
  line-height: 1.65;
}
.footer-col h3 {
  font-family: var(--font-display);
  font-size: 0.92rem;
  margin-bottom: 0.85rem;
  color: var(--ink);
}
.footer-col a {
  display: block;
  padding: 0.28rem 0;
  color: var(--ink-muted);
  font-size: 0.92rem;
}
.footer-col a:hover { color: var(--brand-soft); }
.footer-disclaimer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: grid;
  gap: 0.75rem;
  max-width: 70rem;
  color: var(--ink-muted);
  font-size: 0.86rem;
  line-height: 1.65;
}
.footer-contact {
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: grid;
  gap: 0.45rem;
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}
.footer-contact-title {
  margin: 0 0 0.35rem;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 650;
  color: var(--ink);
}
.footer-contact a { color: var(--brand-soft); }
.footer-contact a:hover { color: var(--ink); }
.footer-bottom {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  justify-content: space-between;
  align-items: center;
  font-size: 0.86rem;
  color: var(--ink-muted);
}
.disclaimer { max-width: 70rem; }
.footer-legal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 0.75rem;
  align-items: center;
}
.footer-legal-links a { color: var(--brand-soft); }
.footer-legal-links a:hover { color: var(--ink); }

/* Legal / privacy prose */
.legal-doc {
  max-width: 48rem;
  color: var(--body);
}
.legal-doc h2 {
  margin-top: 2.1rem;
  margin-bottom: 0.85rem;
  font-family: var(--font-display);
  font-size: 1.28rem;
  color: var(--title);
  letter-spacing: -0.02em;
  scroll-margin-top: calc(var(--header-h) + 1rem);
}
.legal-doc p { margin-top: 0.75rem; }
.legal-doc ul,
.legal-doc ol {
  margin: 0.85rem 0 0.35rem;
  padding-left: 1.25rem;
  list-style: disc;
}
.legal-doc ol { list-style: decimal; }
.legal-doc li {
  margin: 0.35rem 0;
  color: var(--body);
}
.legal-doc a {
  color: var(--brand);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.legal-note {
  margin-top: 1rem;
  padding: 0.95rem 1.05rem;
  border-radius: 12px;
  background: #EEF4FF;
  border: 1px solid #FECACA;
  color: var(--title);
  font-size: 0.95rem;
}

/* Motion */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}
[data-reveal].is-in {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
  .btn:hover,
  .adv-card:hover,
  .feature-card:hover { transform: none; }
  .dl-card:hover,
  .dl-card[data-reveal].is-in:hover,
  a.dl-card:hover,
  a.dl-card[data-reveal].is-in:hover {
    transform: translateY(-4px) scale(1.03) !important;
  }
}

/* 404 */
.error-page {
  min-height: 60vh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 4rem 0;
}
.error-page h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 0.5rem 0 0.85rem;
}
.error-page p { color: var(--ink-soft); margin-bottom: 1.5rem; }


/* ===== Tonghuashun layout overrides ===== */
.hero {
  background:
    radial-gradient(ellipse 55% 50% at 82% 30%, rgba(217, 54, 62, 0.32), transparent 58%),
    radial-gradient(ellipse 40% 45% at 12% 70%, rgba(59, 90, 130, 0.18), transparent 55%),
    linear-gradient(165deg, #111827 0%, #0F172A 55%, #151F30 100%);
}
@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.25fr);
    align-items: center;
    gap: clamp(1.25rem, 2vw, 2rem);
  }
  .hero-copy {
    text-align: left;
    max-width: 32rem;
    position: relative;
    z-index: 2;
  }
  .hero-title { margin-inline: 0; max-width: none; }
  .hero-lead { margin-inline: 0; max-width: 34rem; }
  .hero-actions { justify-content: flex-start; }
  .hero-visual {
    width: 100%;
    max-width: none;
    margin: 0;
    justify-self: stretch;
    overflow: visible;
    position: relative;
    z-index: 1;
  }
  .hero-art {
    width: 108%;
    max-width: none;
    transform-origin: left center;
    margin-left: 0;
  }
}
@media (min-width: 1200px) {
  .hero-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.3fr);
  }
  .hero-art {
    width: 112%;
  }
}
.hero-sub {
  margin-top: 0.75rem;
  max-width: 36rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
  font-weight: 550;
  line-height: 1.55;
}
.hero-desc {
  margin-top: 0.95rem;
  color: var(--ink-muted);
  font-size: 0.98rem;
  max-width: 38rem;
  display: grid;
  gap: 0.7rem;
}
.hero-desc p { margin: 0; color: var(--ink-muted); }
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin-top: 1.15rem;
}
.hero-tags li {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  background: rgba(217, 54, 62, 0.12);
  border: 1px solid rgba(240, 113, 120, 0.28);
  color: #FCA5A5;
  font-size: 0.86rem;
  font-weight: 600;
}
@media (min-width: 960px) {
  .hero-sub,
  .hero-desc { margin-inline: 0; }
  .hero-tags { justify-content: flex-start; }
}
@media (max-width: 959px) {
  .hero-sub,
  .hero-desc { margin-inline: auto; text-align: center; }
  .hero-tags { justify-content: center; }
}

.hero-mock {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(240, 113, 120, 0.22);
  background: linear-gradient(160deg, #1A2332, #111827);
  box-shadow: 0 28px 60px rgba(0,0,0,0.45);
  min-height: 320px;
  padding: 1.1rem;
}
.hero-mock-bar {
  display: flex; gap: 0.35rem; margin-bottom: 0.9rem;
}
.hero-mock-bar i {
  width: 9px; height: 9px; border-radius: 50%;
  background: rgba(255,255,255,0.18); display: block;
}
.hero-mock-bar i:nth-child(1) { background: #D9363E; }
.hero-mock-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 0.75rem;
}
.hero-panel {
  border-radius: 14px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 0.85rem;
  min-height: 180px;
}
.hero-panel h4 {
  font-size: 0.78rem;
  font-weight: 650;
  color: var(--ink-soft);
  margin-bottom: 0.65rem;
}
.fake-chart {
  height: 120px;
  border-radius: 10px;
  background:
    linear-gradient(180deg, transparent 40%, rgba(16,185,129,0.12)),
    repeating-linear-gradient(90deg, transparent, transparent 18px, rgba(255,255,255,0.04) 18px, rgba(255,255,255,0.04) 19px),
    #0B1220;
  position: relative;
  overflow: hidden;
}
.fake-chart svg { width: 100%; height: 100%; display: block; }
.quote-list { display: grid; gap: 0.45rem; }
.quote-row {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.78rem; color: var(--ink-soft);
  padding: 0.35rem 0.4rem; border-radius: 8px;
  background: rgba(255,255,255,0.03);
}
.quote-up { color: #EF4444; font-weight: 650; }
.quote-down { color: #10B981; font-weight: 650; }
.hero-note {
  margin-top: 0.7rem;
  font-size: 0.75rem;
  color: var(--ink-muted);
  text-align: right;
}

.platform-cards {
  display: grid;
  gap: 1rem;
}
@media (min-width: 720px) {
  .platform-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1020px) {
  .platform-cards { grid-template-columns: repeat(4, 1fr); }
}
.platform-card {
  background: var(--bg-white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 1.35rem 1.2rem;
  box-shadow: var(--shadow-light);
  transition: transform 0.25s var(--ease), border-color 0.25s;
}
.platform-card:hover { transform: translateY(-3px); border-color: #FECACA; }
.platform-card .platform-chip-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: #FEF2F2; margin-bottom: 0.9rem;
}
.platform-card .platform-chip-icon img { width: 26px; height: 26px; }
.platform-card h3 { font-size: 1.12rem; margin-bottom: 0.35rem; color: var(--title); }
.platform-card p { color: var(--muted); font-size: 0.92rem; margin-bottom: 1rem; }
.platform-card .btn { width: 100%; }

.audience-section .section-head { max-width: 48rem; }
.audience-kicker {
  margin-top: 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  font-weight: 600;
  color: var(--title);
  line-height: 1.45;
}
.audience-section .section-lead {
  margin-top: 0.95rem;
  max-width: 46rem;
  margin-inline: auto;
}
.user-grid {
  display: grid;
  gap: 1.15rem;
}
@media (min-width: 860px) {
  .user-grid { grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
}
.user-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 1.15rem 1.15rem 1.35rem;
  box-shadow: var(--shadow-light);
  transition: transform 0.25s var(--ease), border-color 0.25s;
}
.user-card:hover {
  transform: translateY(-3px);
  border-color: #FECACA;
}
.user-card-art {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 14px;
  margin-bottom: 1rem;
  background: #0F172A;
}
.user-card-label {
  margin: 0 0 0.55rem;
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  color: var(--brand);
}
.user-card h3 {
  color: var(--title);
  font-size: clamp(1.05rem, 1.5vw, 1.18rem);
  line-height: 1.4;
  margin: 0 0 0.7rem;
}
.user-card > p {
  color: var(--body);
  font-size: 0.95rem;
  line-height: 1.65;
  margin: 0 0 0.95rem;
  flex: 1;
}
.user-card-points {
  display: grid;
  gap: 0.4rem;
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
}
.user-card-points li {
  position: relative;
  padding-left: 0.95rem;
  font-size: 0.9rem;
  color: var(--body);
  line-height: 1.45;
}
.user-card-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--brand);
}
.user-card-link {
  margin-top: auto;
  font-size: 0.92rem;
  font-weight: 650;
  color: var(--brand);
  text-decoration: none;
}
.user-card-link:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.steps {
  display: grid; gap: 1rem;
  counter-reset: step;
}
@media (min-width: 900px) {
  .steps { grid-template-columns: repeat(4, 1fr); }
}
.step {
  position: relative;
  background: var(--bg-white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: 1.35rem 1.15rem 1.35rem;
}
.step::before {
  counter-increment: step;
  content: counter(step, decimal-leading-zero);
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--brand);
  margin-bottom: 0.55rem;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
}
.step h3 { color: var(--title); font-size: 1rem; margin-bottom: 0.4rem; }
.step p { color: var(--body); font-size: 0.92rem; }

.cta-band {
  background:
    radial-gradient(ellipse 50% 60% at 85% 40%, rgba(217,54,62,0.25), transparent 60%),
    radial-gradient(ellipse 40% 50% at 12% 80%, rgba(96,165,250,0.12), transparent 55%),
    linear-gradient(120deg, #111827, #0F172A 55%, #1A2332);
  padding: clamp(3.25rem, 7vw, 5rem) 0;
}
.cta-final-grid {
  display: grid;
  gap: 1.25rem;
  align-items: start;
  text-align: left;
}
.cta-final-top,
.cta-final-tags {
  max-width: 38rem;
  position: relative;
  z-index: 2;
}
.cta-final-actions {
  position: relative;
  z-index: 2;
}
@media (min-width: 960px) {
  .cta-final-grid {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.15fr);
    grid-template-rows: auto auto auto;
    column-gap: clamp(1.5rem, 2.8vw, 2.5rem);
    row-gap: 1.15rem;
  }
  .cta-final-top { grid-column: 1; grid-row: 1; }
  .cta-final-tags { grid-column: 1; grid-row: 2; align-self: end; }
  .cta-final-media {
    grid-column: 2;
    grid-row: 1 / 3; /* 从文案顶部跨越到标签行，底边对齐标签 */
    align-self: stretch;
    width: 108%;
    max-width: none;
    justify-self: end;
    margin-left: 1.25rem;
    transform: translateX(1.75rem);
  }
  /* 按钮放到文案与图片下方的水平中间 */
  .cta-final-actions {
    grid-column: 1 / -1;
    grid-row: 3;
    max-width: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 0.75rem;
    text-align: center;
  }
  .cta-final-actions .hero-actions {
    justify-content: center;
  }
  .cta-final-actions .cta-final-note {
    justify-content: center;
  }
}
@media (min-width: 1200px) {
  .cta-final-grid {
    grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.2fr);
  }
  .cta-final-media {
    width: 112%;
    transform: translateX(2rem);
  }
}
.cta-final-media {
  margin: 0;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: stretch;
  min-height: 0;
}
.cta-final-media::before {
  content: "";
  position: absolute;
  inset: 6% 2%;
  border-radius: 40%;
  background: radial-gradient(circle, rgba(217, 54, 62, 0.22), transparent 68%);
  filter: blur(14px);
  pointer-events: none;
  z-index: 0;
}
.cta-final-media img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  object-position: right bottom; /* 图片下边缘对齐标签行 */
  border-radius: 18px;
  border: 0;
  box-shadow: none;
  background: transparent;
  -webkit-mask-image:
    linear-gradient(to right, transparent 0%, #000 8%, #000 88%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 10%, #000 90%, transparent 100%);
  mask-image:
    linear-gradient(to right, transparent 0%, #000 8%, #000 88%, transparent 100%),
    linear-gradient(to bottom, transparent 0%, #000 10%, #000 90%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-composite: intersect;
  -webkit-mask-size: 100% 100%;
  mask-size: 100% 100%;
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
}
@media (max-width: 959px) {
  .cta-final-media {
    order: -1;
  }
  .cta-final-media img {
    height: auto;
    object-fit: contain;
    object-position: center;
  }
}
.cta-final-top .eyebrow,
.cta-final-grid .eyebrow {
  margin-bottom: 0.85rem;
  color: #F07178;
}
.cta-final-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 3.4vw, 2.55rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.2;
  color: #FFFFFF;
}
.cta-final-kicker {
  margin-top: 0.8rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  font-weight: 600;
  color: #FFFFFF;
  line-height: 1.45;
}
.cta-final-desc {
  margin-top: 1rem;
  display: grid;
  gap: 0.75rem;
}
.cta-final-desc p {
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.75;
  color: #C5CEDB;
}
.cta-final-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.cta-final-tags li {
  padding: 0.42rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(240, 113, 120, 0.28);
  background: rgba(217, 54, 62, 0.12);
  color: #FCA5A5;
  font-size: 0.86rem;
  font-weight: 600;
}
.cta-final-actions .hero-actions {
  justify-content: flex-start;
  margin-top: 0.25rem;
}
@media (min-width: 960px) {
  .cta-final-actions .hero-actions {
    justify-content: center;
    margin-top: 0;
  }
}
.cta-final-note {
  margin-top: 1.35rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.65rem;
  align-items: center;
  font-size: 0.88rem;
  color: rgba(197, 206, 219, 0.78);
}
.cta-final-note a {
  color: #F07178;
  text-decoration: none;
}
.cta-final-note a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.dl-card.featured {
  grid-column: 1 / -1;
}
.source-badge {
  display: inline-flex; align-items: center; gap: 0.35rem;
  font-size: 0.78rem; font-weight: 650; color: #B82D34;
  background: #FEF2F2; border-radius: 999px; padding: 0.25rem 0.65rem;
  margin-bottom: 0.75rem;
}
.compare-table {
  width: 100%; border-collapse: collapse; background: var(--bg-white);
  border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line-light);
}
.compare-table th, .compare-table td {
  text-align: left; padding: 0.95rem 1rem; border-bottom: 1px solid var(--line-light);
  font-size: 0.95rem; color: var(--body); vertical-align: top;
}
.compare-table th { background: #EEF2F7; color: var(--title); font-weight: 650; }
.safety-grid {
  display: grid; gap: 1rem;
}
@media (min-width: 860px) { .safety-grid { grid-template-columns: repeat(3, 1fr); } }
.safety-card {
  background: var(--bg-white); border: 1px solid var(--line-light);
  border-radius: var(--radius); padding: 1.25rem;
}
.safety-card h3 { color: var(--title); font-size: 1rem; margin-bottom: 0.45rem; }
.safety-card p { color: var(--body); font-size: 0.92rem; }

.feature-deep { display: grid; gap: 0; }
.feature-block {
  display: grid; gap: 1.5rem; align-items: center;
  padding: 2.5rem 0;
}
.feature-block:first-child { padding-top: 0; }
.feature-block:last-child { padding-bottom: 0; }
.feature-block + .feature-block {
  border-top: 1.5px solid #60A5FA;
}
@media (min-width: 900px) {
  .feature-block {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 3rem 0;
  }
  .feature-block:first-child { padding-top: 0; }
  .feature-block:last-child { padding-bottom: 0; }
  .feature-block.reverse .feature-copy { order: 2; }
  .feature-block.reverse .feature-visual { order: 1; }
}
.feature-copy h2 { color: var(--title); font-size: clamp(1.35rem, 2.2vw, 1.85rem); margin-bottom: 0.45rem; }
.feature-copy p { color: var(--body); margin-bottom: 0.7rem; }
.feature-kicker {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.02rem, 1.6vw, 1.18rem);
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.45;
  color: var(--title);
}
.feature-highlights {
  display: grid;
  gap: 0.5rem;
  margin: 0.85rem 0 1rem;
  padding: 0;
  list-style: none;
}
.feature-highlights li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.95rem;
  line-height: 1.55;
  color: var(--body);
}
.feature-highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand);
}
.feature-highlights strong { color: var(--title); font-weight: 650; }
.feature-foot-tags {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--muted);
}
.feature-risk {
  margin: 0.85rem 0 0;
  padding: 0.65rem 0.8rem;
  border-radius: 10px;
  background: #FEF2F2;
  border: 1px solid #FECACA;
  color: #9F1239;
  font-size: 0.82rem;
  line-height: 1.55;
}
.feature-note {
  margin: 0.85rem 0 0;
  padding: 0.65rem 0.8rem;
  border-radius: 10px;
  background: #F1F5F9;
  border: 1px solid #E2E8F0;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.55;
}
.feature-visual {
  border-radius: 18px; min-height: 240px; padding: 1.1rem;
  background: linear-gradient(160deg, #1A2332, #111827);
  border: 1px solid rgba(240,113,120,0.18);
  color: var(--ink-soft);
}
.feature-visual .fake-chart { height: 160px; }
.feature-visual h4 { margin-bottom: 0.7rem; font-size: 0.88rem; }
.feature-visual--media {
  margin: 0;
  padding: 0;
  min-height: 0;
  overflow: hidden;
  background: #111827;
}
.feature-visual--media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: inherit;
}

/* Deep explore — dark staggered modules */
.deep-explore {
  position: relative;
  padding: clamp(4rem, 8vw, 6rem) 0 clamp(3.5rem, 7vw, 5.5rem);
  background:
    radial-gradient(ellipse 55% 40% at 85% 18%, rgba(217, 54, 62, 0.18), transparent 60%),
    radial-gradient(ellipse 45% 35% at 10% 70%, rgba(96, 165, 250, 0.12), transparent 58%),
    #101827;
  color: #F8FAFC;
  overflow: hidden;
}
.deep-explore-head {
  max-width: 46rem;
  margin-bottom: clamp(3rem, 6vw, 4.5rem);
}
.deep-explore-head .eyebrow {
  color: #F07178;
  margin-bottom: 0.85rem;
}
.deep-explore-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4vw, 2.85rem);
  font-weight: 750;
  letter-spacing: -0.03em;
  line-height: 1.18;
  color: #FFFFFF;
}
.deep-explore-kicker {
  margin-top: 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.4rem);
  font-weight: 600;
  color: #FFFFFF;
  line-height: 1.4;
}
.deep-explore-lead {
  margin-top: 1rem;
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.75;
  color: #C5CEDB;
  max-width: 44rem;
}
.deep-modules {
  display: grid;
  gap: clamp(4.5rem, 9vw, 6.25rem);
}
.deep-module {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: stretch;
}
.deep-module-copy {
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  background: #1B2636;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 20px;
  padding: clamp(1.4rem, 3vw, 2rem);
  overflow: visible;
}
.deep-module-copy > .btn {
  align-self: flex-start;
  margin-top: 0.35rem;
}
.deep-module-tags {
  margin: 0 0 0.85rem;
  font-size: 0.82rem;
  font-weight: 650;
  letter-spacing: 0.04em;
  color: #F07178;
}
.deep-module-copy h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.6vw, 2.1rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.28;
  color: #FFFFFF;
}
.deep-module-kicker {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.45;
  color: #E8EEF7;
}
.deep-module-sub {
  margin: 0 0 1rem;
  font-size: clamp(1rem, 1.35vw, 1.1rem);
  line-height: 1.65;
  color: #A8B4C4;
}
.deep-module-copy > p {
  margin: 0 0 0.85rem;
  font-size: clamp(1rem, 1.35vw, 1.125rem);
  line-height: 1.75;
  color: #C5CEDB;
}
.deep-module-foot-tags {
  margin: 0 0 1.15rem;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.5;
  color: #8B97A8;
}
.deep-highlights {
  display: grid;
  gap: 0.55rem;
  margin: 1.15rem 0 1.45rem;
  padding: 0;
  list-style: none;
}
.deep-highlights li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.98rem;
  line-height: 1.55;
  color: #C5CEDB;
}
.deep-highlights li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #D9363E;
}
.deep-highlights strong { color: #FFFFFF; font-weight: 650; }
.deep-module-media {
  margin: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  min-height: 0;
}
.deep-module-media::before {
  content: "";
  position: absolute;
  inset: 8% 4%;
  border-radius: 40%;
  background: radial-gradient(circle, rgba(217, 54, 62, 0.22), transparent 68%);
  filter: blur(12px);
  pointer-events: none;
  z-index: 0;
}
.deep-module--reverse .deep-module-media::before {
  background: radial-gradient(circle, rgba(96, 165, 250, 0.18), transparent 68%);
}
.deep-module-media img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  object-fit: contain;
  border-radius: 18px;
  border: 1px solid rgba(217, 54, 62, 0.28);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.42);
  background: #0B1220;
}
.deep-guide {
  margin-top: clamp(3.5rem, 7vw, 5rem);
  padding: clamp(1.6rem, 3.5vw, 2.35rem);
  border-radius: 22px;
  background:
    radial-gradient(ellipse 60% 80% at 90% 20%, rgba(217, 54, 62, 0.2), transparent 55%),
    #1B2636;
  border: 1px solid rgba(240, 113, 120, 0.22);
}
.deep-guide-copy {
  max-width: 42rem;
}
.deep-guide h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.4vw, 1.9rem);
  font-weight: 700;
  color: #FFFFFF;
  letter-spacing: -0.02em;
}
.deep-guide p {
  margin: 0 0 1.35rem;
  font-size: 1.05rem;
  line-height: 1.7;
  color: #C5CEDB;
}
.deep-guide .hero-actions { justify-content: flex-start; }
.deep-explore-note {
  margin-top: 1.25rem;
  font-size: 0.82rem;
  color: rgba(197, 206, 219, 0.72);
  text-align: center;
}

.doc-page {
  background: var(--bg-light); color: var(--body);
  padding: clamp(2rem, 5vw, 3.5rem) 0 clamp(3.5rem, 7vw, 5rem);
}
.doc-card {
  background: var(--bg-white);
  border: 1px solid var(--line-light);
  border-radius: var(--radius);
  padding: clamp(1.5rem, 3vw, 2.25rem);
  box-shadow: var(--shadow-light);
  max-width: 52rem;
}
.doc-card h2 {
  color: var(--title); font-size: 1.2rem; margin: 1.6rem 0 0.65rem;
}
.doc-card h2:first-child { margin-top: 0; }
.doc-card p, .doc-card li { color: var(--body); font-size: 0.98rem; margin-bottom: 0.65rem; }
.doc-card ul { padding-left: 1.2rem; list-style: disc; margin-bottom: 0.85rem; }
.doc-meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 1.25rem; }

.help-duo {
  display: grid; gap: 1rem;
}
@media (min-width: 800px) { .help-duo { grid-template-columns: 1fr 1fr; } }
.help-card {
  background: var(--bg-white); border: 1px solid var(--line-light);
  border-radius: var(--radius); padding: 1.4rem 1.25rem;
}
.help-card h3 { color: var(--title); margin-bottom: 0.45rem; }
.help-card p { color: var(--body); margin-bottom: 1rem; }

.site-header.light-on-dark { }
.trust-strip {
  background: rgba(217, 54, 62, 0.1);
}
.footer-brand-title { color: var(--ink); font-size: 1.05rem; margin: 0.75rem 0 0.35rem; }
.disclaimer-banner {
  background: rgba(217,54,62,0.08);
  border: 1px solid rgba(217,54,62,0.18);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  font-size: 0.88rem;
  color: var(--ink-soft);
  margin-top: 1.25rem;
}
.band-light .disclaimer-banner,
.band-white .disclaimer-banner {
  color: var(--body);
  background: #FEF2F2;
  border-color: #FECACA;
}


/* Tag links inside feature hero */
.features-hero-tags a { color: inherit; text-decoration: none; }
.features-hero-tags a:hover { color: var(--brand); }

/* Light-band FAQ readability */
.band-light .faq-item,
.band-white .faq-item {
  background: var(--bg-white);
  border: 1px solid var(--line-light);
}
.band-light .faq-item summary,
.band-white .faq-item summary { color: var(--title); }
.band-light .faq-a,
.band-white .faq-a,
.band-light .faq-a p,
.band-white .faq-a p { color: var(--body); }
.band-light .faq-a a,
.band-white .faq-a a { color: var(--brand); text-decoration: underline; text-underline-offset: 2px; }

/* Page hero on dark header pages */
.page-hero {
  background:
    radial-gradient(ellipse 50% 60% at 80% 20%, rgba(217,54,62,0.22), transparent 55%),
    linear-gradient(180deg, #111827, #0F172A);
}
.page-lead a { color: var(--brand-soft); text-decoration: underline; text-underline-offset: 2px; }
.section-lead a { color: var(--brand); text-decoration: underline; text-underline-offset: 2px; }
.band-dark .section-lead a { color: var(--brand-soft); }

/* Source badge / ver rows on download cards */
.dl-card .source-badge { align-self: flex-start; }

[data-reveal] { opacity: 0; transform: translateY(14px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }