* {
  box-sizing: border-box;
}

:root {
  --bg: #f4f7f7;
  --surface: #ffffff;
  --surface-soft: #eef5f4;
  --ink: #10202a;
  --ink-soft: #53636b;
  --muted: #7a898f;
  --line: #dce6e6;
  --teal: #087e7d;
  --teal-bright: #0eb5aa;
  --teal-deep: #07565e;
  --navy: #102936;
  --navy-deep: #07171f;
  --gold: #d7a344;
  --danger: #bc4b4b;
  --danger-soft: #fff4f1;
  --radius: 24px;
  --shadow: 0 24px 70px rgba(11, 39, 48, .11);
  --shadow-soft: 0 14px 36px rgba(11, 39, 48, .08);
  --content: 1180px;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 8%, rgba(14, 181, 170, .08), transparent 27rem),
    radial-gradient(circle at 90% 22%, rgba(215, 163, 68, .09), transparent 25rem),
    var(--bg);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  overflow-x: clip;
}

body.lightbox-open {
  overflow: hidden;
}

button,
a {
  font: inherit;
}

button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(14, 181, 170, .30);
  outline-offset: 3px;
}

img {
  max-width: 100%;
}

.page {
  min-height: 100vh;
}

.site-header {
  position: relative;
  z-index: 10;
  width: min(var(--content), calc(100% - 48px));
  min-height: 82px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  margin: 0 auto;
}

.brand {
  display: flex;
  align-items: center;
}

.brand img {
  display: block;
  width: 188px;
  height: auto;
}

.desktop-nav {
  display: flex;
  justify-content: center;
  gap: 34px;
}

.desktop-nav a {
  position: relative;
  padding: 10px 0;
  color: #53636b;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.desktop-nav a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 4px;
  left: 0;
  height: 2px;
  border-radius: 999px;
  background: var(--teal);
  transform: scaleX(0);
  transition: transform .18s ease;
}

.desktop-nav a:hover {
  color: var(--teal-deep);
}

.desktop-nav a:hover::after {
  transform: scaleX(1);
}

.header-action {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  border: 1px solid rgba(8, 126, 125, .22);
  border-radius: 999px;
  color: var(--teal-deep);
  background: rgba(255, 255, 255, .78);
  box-shadow: 0 8px 20px rgba(11, 66, 72, .06);
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  backdrop-filter: blur(16px);
}

.header-action:hover {
  color: #fff;
  background: var(--teal);
}

.hero {
  position: relative;
  isolation: isolate;
  width: min(var(--content), calc(100% - 48px));
  min-height: 650px;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(520px, 1.1fr);
  align-items: center;
  gap: 70px;
  margin: 0 auto;
  padding: 68px 0 90px;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  top: 45px;
  right: -18vw;
  width: min(62vw, 900px);
  height: 520px;
  border-radius: 120px 0 0 120px;
  background:
    linear-gradient(140deg, rgba(255,255,255,.05), transparent 45%),
    linear-gradient(130deg, #0b232c, #07171f 68%);
  box-shadow: 0 40px 90px rgba(4, 21, 28, .21);
}

.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -3vw;
  bottom: 70px;
  width: 470px;
  height: 220px;
  opacity: .3;
  background:
    linear-gradient(90deg, rgba(14, 181, 170, .28) 1px, transparent 1px) 0 0 / 58px 58px,
    linear-gradient(rgba(14, 181, 170, .28) 1px, transparent 1px) 0 0 / 58px 58px;
  mask-image: linear-gradient(to left, #000, transparent);
}

.eyebrow,
.section-kicker {
  color: var(--teal);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .15em;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}

.eyebrow span {
  width: 30px;
  height: 2px;
  border-radius: 999px;
  background: var(--gold);
}

.hero h1 {
  margin: 0;
  font-size: clamp(48px, 5.1vw, 72px);
  line-height: 1.08;
  letter-spacing: -.055em;
}

.hero h1 em {
  color: var(--teal);
  font-style: normal;
}

.hero-lead {
  max-width: 570px;
  margin: 25px 0 0;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.85;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 11px 22px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 800;
  text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, #0a8d88, #08666d);
  box-shadow: 0 14px 30px rgba(8, 126, 125, .23);
}

.button-primary:hover {
  box-shadow: 0 18px 36px rgba(8, 126, 125, .30);
}

.button-secondary {
  color: var(--navy);
  border-color: #d6e1e1;
  background: rgba(255, 255, 255, .78);
  box-shadow: 0 10px 26px rgba(11, 39, 48, .07);
}

.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 9px 18px;
  margin-top: 32px;
  color: #6c7b82;
  font-size: 13px;
  font-weight: 700;
}

.hero-points span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.hero-points b {
  color: var(--teal);
  font-size: 11px;
}

.hero-visual {
  position: relative;
  min-width: 0;
}

.browser-card {
  position: relative;
  z-index: 1;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 20px;
  background: #eff4f4;
  box-shadow: 0 32px 80px rgba(0, 0, 0, .32);
  transform: perspective(1200px) rotateY(-3deg) rotateX(1deg);
}

.browser-bar {
  min-height: 54px;
  display: grid;
  grid-template-columns: 90px 1fr 90px;
  align-items: center;
  padding: 0 15px;
  background: #17262c;
}

.browser-dots {
  display: flex;
  gap: 7px;
}

.browser-dots i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #fe6b63;
}

.browser-dots i:nth-child(2) {
  background: #f4c14d;
}

.browser-dots i:nth-child(3) {
  background: #53c76b;
}

.browser-address {
  min-width: 0;
  overflow: hidden;
  padding: 7px 16px;
  border-radius: 9px;
  color: #aebbbe;
  background: rgba(255, 255, 255, .08);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.screen-preview {
  display: block;
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: zoom-in;
}

.screen-preview img {
  display: block;
  width: 100%;
  height: auto;
}

.floating-card {
  position: absolute;
  z-index: 2;
  min-width: 205px;
  padding: 13px 16px;
  border: 1px solid rgba(255, 255, 255, .50);
  border-radius: 13px;
  background: rgba(255, 255, 255, .93);
  box-shadow: 0 18px 42px rgba(0, 0, 0, .18);
  backdrop-filter: blur(18px);
}

.floating-card span,
.floating-card strong {
  display: block;
}

.floating-card span {
  margin-bottom: 2px;
  color: #7f8d92;
  font-size: 11px;
  font-weight: 750;
}

.floating-card strong {
  color: var(--navy);
  font-size: 13px;
}

.floating-safe {
  top: -24px;
  right: 28px;
}

.floating-status {
  right: -18px;
  bottom: -30px;
}

.floating-status strong {
  display: flex;
  align-items: center;
  gap: 7px;
}

.floating-status i {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #20ba76;
  box-shadow: 0 0 0 5px rgba(32, 186, 118, .13);
}

.important-note {
  width: min(var(--content), calc(100% - 48px));
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  margin: 0 auto 28px;
  padding: 18px 22px;
  border: 1px solid #ead4a4;
  border-radius: 16px;
  background: linear-gradient(135deg, #fffaf0, #fffdf8);
  box-shadow: 0 12px 30px rgba(112, 81, 23, .07);
}

.note-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #745314;
  background: #f4cf7b;
  font-size: 20px;
  font-weight: 900;
}

.important-note strong,
.important-note p {
  display: block;
}

.important-note p {
  margin: 2px 0 0;
  color: #756b57;
  font-size: 13px;
}

.important-note a {
  color: #7b5a1c;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.section {
  width: min(var(--content), calc(100% - 48px));
  margin: 0 auto;
  padding: 88px 0;
}

.section-heading {
  max-width: 680px;
  margin-bottom: 34px;
}

.section-heading.centered {
  margin-right: auto;
  margin-left: auto;
  text-align: center;
}

.section-heading h2,
.demo-copy h2,
.progress-copy h2 {
  margin: 8px 0 0;
  font-size: clamp(32px, 3.7vw, 48px);
  line-height: 1.2;
  letter-spacing: -.04em;
}

.section-heading p,
.demo-copy > p,
.progress-copy > p {
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 16px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  position: relative;
  min-height: 255px;
  overflow: hidden;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, .84);
  box-shadow: var(--shadow-soft);
}

.feature-card.featured {
  color: #fff;
  border-color: transparent;
  background:
    radial-gradient(circle at 90% 10%, rgba(14,181,170,.26), transparent 11rem),
    linear-gradient(145deg, #102c38, #0a1c25);
  transform: translateY(-12px);
}

.feature-number {
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .16em;
}

.featured .feature-number {
  color: #63ded2;
}

.feature-card h3 {
  margin: 62px 0 8px;
  font-size: 22px;
}

.feature-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.featured p {
  color: #bdd0d6;
}

.steps-section {
  position: relative;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.step-card {
  min-width: 0;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #fff;
}

.step-index {
  color: var(--teal);
  font-size: 28px;
  font-weight: 300;
  letter-spacing: -.04em;
}

.step-line {
  width: 100%;
  height: 1px;
  margin: 22px 0;
  background: linear-gradient(90deg, var(--teal), #dbe5e5 35%, #dbe5e5);
}

.step-card h3 {
  margin: 0 0 8px;
  font-size: 19px;
}

.step-card p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
}

.shortcut-tip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 24px;
  margin-top: 18px;
  padding: 14px 18px;
  border-radius: 13px;
  color: #5d6b71;
  background: #eaf1f1;
  font-size: 12px;
}

.shortcut-tip strong {
  color: var(--navy);
}

kbd {
  display: inline-grid;
  min-width: 24px;
  min-height: 22px;
  place-items: center;
  padding: 1px 5px;
  border: 1px solid #cdd8d8;
  border-bottom-width: 2px;
  border-radius: 5px;
  color: #40535a;
  background: #fff;
  font-family: inherit;
  font-size: 10px;
  font-weight: 800;
}

.session-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 32px;
  padding: 58px;
  border-radius: 26px;
  color: #fff;
  background:
    radial-gradient(circle at 90% 8%, rgba(14, 181, 170, .28), transparent 20rem),
    linear-gradient(135deg, #102d39, #07171f);
  box-shadow: 0 30px 80px rgba(5, 25, 33, .22);
}

.session-heading {
  min-width: 0;
}

.session-heading .section-kicker {
  color: #59d8ce;
}

.session-heading h2 {
  margin: 8px 0 0;
  font-size: clamp(32px, 3.5vw, 46px);
  line-height: 1.2;
  letter-spacing: -.04em;
}

.session-lead {
  margin: 16px 0 0;
  color: #c0d0d5;
  font-size: 15px;
}

.session-route {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px 14px;
  margin-top: 22px;
  padding: 14px 17px;
  border: 1px solid rgba(89, 216, 206, .22);
  border-radius: 12px;
  background: rgba(89, 216, 206, .08);
}

.session-route span {
  color: #9db3b9;
  font-size: 12px;
  font-weight: 750;
}

.session-route a {
  color: #7ee8df;
  font-size: 14px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.session-steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.session-steps li {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 19px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 15px;
  background: rgba(255,255,255,.045);
}

.session-steps li > b {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(89, 216, 206, .28);
  border-radius: 12px;
  color: #7ee8df;
  background: rgba(89, 216, 206, .10);
  font-size: 14px;
}

.session-steps strong,
.session-steps span {
  display: block;
}

.session-steps strong {
  color: #fff;
  font-size: 15px;
}

.session-steps span {
  margin-top: 4px;
  color: #aebfc4;
  font-size: 13px;
  line-height: 1.65;
}

.session-steps a {
  color: #7ee8df;
  font-weight: 750;
}

.copy-method {
  color: #c8d8dc !important;
}

.copy-method em {
  display: inline-block;
  min-width: 62px;
  color: #7ee8df;
  font-style: normal;
  font-weight: 800;
}

.session-steps kbd {
  color: #d5f7f4;
  border-color: rgba(126, 232, 223, .25);
  background: rgba(126, 232, 223, .10);
}

.session-footer {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.session-help,
.session-safety {
  display: grid;
  gap: 5px;
  padding: 15px 17px;
  border-radius: 13px;
  font-size: 12px;
}

.session-help {
  border: 1px solid rgba(89, 216, 206, .18);
  color: #b8ced1;
  background: rgba(89, 216, 206, .07);
}

.session-help strong {
  color: #7ee8df;
}

.session-safety {
  border: 1px solid rgba(244, 207, 123, .22);
  color: #dbcda9;
  background: rgba(244, 207, 123, .08);
}

.session-safety strong {
  color: #f4cf7b;
}

.session-actions {
  display: grid;
  grid-template-columns: minmax(230px, .55fr) minmax(360px, 1.45fr);
  gap: 18px;
  align-items: stretch;
}

.button-session {
  min-height: 100%;
  padding: 22px;
  color: #07232a;
  background: #7ee8df;
  text-align: center;
}

.button-session:hover {
  color: #061c22;
  background: #a1f3ec;
}

.session-visual {
  min-width: 0;
  overflow: hidden;
  padding: 0;
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 17px;
  color: #c3d0d4;
  background: #0a151b;
  box-shadow: 0 24px 60px rgba(0,0,0,.34);
  cursor: zoom-in;
}

.session-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 310px;
  object-fit: cover;
  object-position: top;
}

.session-visual span {
  display: block;
  padding: 8px 12px;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 11px;
}

.demo-section {
  display: grid;
  grid-template-columns: minmax(300px, .68fr) minmax(0, 1.32fr);
  gap: 64px;
  align-items: center;
}

.demo-copy {
  min-width: 0;
}

.domain-card {
  margin-top: 28px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.domain-card span,
.domain-card strong {
  display: block;
}

.domain-card span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.domain-card strong {
  margin: 3px 0 10px;
  overflow-wrap: anywhere;
  color: var(--teal);
  font-size: 15px;
}

.domain-card button {
  min-height: 38px;
  padding: 7px 13px;
  border: 1px solid rgba(8, 126, 125, .30);
  border-radius: 8px;
  color: var(--teal-deep);
  background: #f1fbfa;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.tutorial-player {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 20px;
  color: #fff;
  background: #091218;
  box-shadow: 0 28px 70px rgba(4, 20, 27, .23);
}

.player-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #091218;
}

.player-stage img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.player-badge {
  position: absolute;
  top: 15px;
  left: 16px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 999px;
  color: #fff;
  background: rgba(7, 23, 31, .68);
  backdrop-filter: blur(10px);
  font-size: 11px;
  font-weight: 800;
}

.player-badge span {
  color: #46d4c8;
  font-size: 8px;
}

.player-controls {
  display: grid;
  grid-template-columns: 36px 36px minmax(0, 1fr) auto 36px;
  gap: 8px;
  align-items: center;
  padding: 10px 13px;
  background: #0c171e;
}

.player-controls > button {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 0;
  border-radius: 50%;
  color: #fff;
  background: rgba(255, 255, 255, .09);
  cursor: pointer;
}

.player-controls > button:hover {
  background: rgba(255, 255, 255, .17);
}

.player-controls .play-toggle {
  font-size: 11px;
  font-weight: 900;
}

.player-progress {
  display: flex;
  gap: 5px;
  align-items: center;
}

.player-progress button {
  flex: 1;
  height: 4px;
  min-width: 8px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, .20);
  cursor: pointer;
}

.player-progress button.active {
  background: var(--teal-bright);
}

.player-controls > span {
  color: #aebdc2;
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}

.player-caption {
  margin: 0;
  padding: 0 15px 13px;
  color: #c9d5d9;
  background: #0c171e;
  font-size: 12px;
  line-height: 1.5;
}

.accounts-section {
  padding-top: 78px;
}

.account-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.account-card {
  min-height: 250px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.account-label {
  width: fit-content;
  padding: 5px 10px;
  border-radius: 999px;
  color: #0b6c48;
  background: #e8f8ef;
  font-size: 11px;
  font-weight: 850;
}

.account-upgrade .account-label {
  color: #7a5717;
  background: #fff4d8;
}

.account-card h3 {
  margin: 25px 0 8px;
  font-size: 25px;
}

.account-card p {
  margin: 0 0 28px;
  color: var(--ink-soft);
}

.account-card > span {
  display: block;
  padding-top: 15px;
  border-top: 1px solid var(--line);
  color: #77878d;
  font-size: 12px;
}

.account-warning {
  margin-top: 16px;
  padding: 14px 18px;
  border: 1px solid #efd4cd;
  border-radius: 13px;
  color: #7b4c45;
  background: var(--danger-soft);
  font-size: 13px;
}

.account-warning strong {
  color: var(--danger);
}

.progress-section {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, .92fr);
  gap: 65px;
  align-items: center;
}

.progress-visual {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(8,126,125,.06), rgba(255,255,255,.7)),
    #eaf1f1;
  box-shadow: var(--shadow);
}

.status-preview {
  overflow: hidden;
  border-radius: 14px;
  box-shadow: 0 16px 40px rgba(10, 40, 49, .13);
}

.status-list {
  display: grid;
  gap: 13px;
  margin-top: 27px;
}

.status-list > div {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 13px;
  align-items: start;
}

.status-list i {
  width: 9px;
  height: 9px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 5px rgba(8, 126, 125, .10);
}

.status-list span,
.status-list strong {
  display: block;
}

.status-list span {
  color: #6f7e84;
  font-size: 13px;
}

.status-list strong {
  color: var(--navy);
  font-size: 14px;
}

.safety-section {
  padding-bottom: 104px;
}

.safety-grid {
  max-width: 820px;
  display: grid;
  gap: 10px;
  margin: 0 auto;
}

.safety-grid details {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.safety-grid summary {
  position: relative;
  padding: 17px 50px 17px 19px;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}

.safety-grid summary::-webkit-details-marker {
  display: none;
}

.safety-grid summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 20px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--teal);
  background: #eaf7f6;
  transform: translateY(-50%);
}

.safety-grid details[open] summary::after {
  content: "−";
}

.safety-grid p {
  margin: 0;
  padding: 0 19px 18px;
  color: var(--ink-soft);
  font-size: 14px;
}

.final-cta {
  position: relative;
  width: min(var(--content), calc(100% - 48px));
  min-height: 270px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  margin: 0 auto 40px;
  overflow: hidden;
  padding: 50px 58px;
  border-radius: 26px;
  color: #fff;
  background:
    radial-gradient(circle at 85% 0, rgba(14,181,170,.28), transparent 20rem),
    linear-gradient(135deg, #102c38, #07171f);
  box-shadow: 0 30px 80px rgba(5, 25, 33, .22);
}

.final-cta::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -120px;
  width: 340px;
  height: 340px;
  border: 1px solid rgba(255,255,255,.12);
  border-radius: 50%;
  box-shadow:
    0 0 0 42px rgba(255,255,255,.025),
    0 0 0 84px rgba(255,255,255,.018);
}

.final-cta > * {
  position: relative;
  z-index: 1;
}

.final-cta span {
  color: #64d9cf;
  font-size: 11px;
  font-weight: 850;
  letter-spacing: .14em;
}

.final-cta h2 {
  margin: 7px 0 5px;
  font-size: clamp(29px, 3vw, 42px);
  line-height: 1.22;
}

.final-cta p {
  margin: 0;
  color: #b7c9cf;
  font-size: 14px;
}

.button-light {
  flex: 0 0 auto;
  color: var(--navy);
  background: #fff;
  box-shadow: 0 14px 30px rgba(0,0,0,.18);
}

.button-light span {
  color: var(--navy);
  font-size: inherit;
  letter-spacing: 0;
}

.site-footer {
  width: min(var(--content), calc(100% - 48px));
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
  margin: 0 auto;
  padding: 24px 0 36px;
  color: #849197;
  font-size: 12px;
}

.site-footer img {
  width: 154px;
}

.site-footer > div {
  display: flex;
  justify-content: center;
  gap: 22px;
}

.site-footer a {
  color: #6e7c82;
  font-weight: 700;
  text-decoration: none;
}

.site-footer p {
  margin: 0;
  white-space: nowrap;
}

.lightbox[hidden] {
  display: none;
}

.lightbox {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 32px;
  background: rgba(5, 15, 20, .90);
  backdrop-filter: blur(8px);
}

.lightbox img {
  max-width: min(1180px, 96vw);
  max-height: 90vh;
  border-radius: 12px;
  box-shadow: 0 24px 70px rgba(0, 0, 0, .46);
}

.lightbox-close {
  position: fixed;
  top: 18px;
  right: 22px;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, .3);
  border-radius: 50%;
  color: #fff;
  background: rgba(255, 255, 255, .1);
  font-size: 30px;
  cursor: pointer;
}

.copy-toast {
  position: fixed;
  z-index: 1100;
  left: 50%;
  bottom: 28px;
  padding: 9px 16px;
  border-radius: 999px;
  color: #fff;
  background: rgba(9, 27, 34, .94);
  box-shadow: 0 10px 28px rgba(0, 0, 0, .24);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 12px);
  transition: opacity .18s ease, transform .18s ease;
}

.copy-toast.show {
  opacity: 1;
  transform: translate(-50%, 0);
}

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: minmax(0, .92fr) minmax(430px, 1.08fr);
    gap: 42px;
  }

  .hero::before {
    right: -28vw;
  }

  .desktop-nav {
    gap: 20px;
  }

  .demo-section {
    gap: 38px;
  }

  .progress-section {
    gap: 40px;
  }
}

@media (max-width: 820px) {
  .site-header {
    width: min(100% - 32px, var(--content));
    min-height: 72px;
    grid-template-columns: 1fr auto;
  }

  .brand img {
    width: 164px;
  }

  .desktop-nav {
    display: none;
  }

  .header-action {
    min-height: 40px;
    padding: 7px 15px;
  }

  .hero {
    width: min(100% - 32px, var(--content));
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 54px;
    padding: 45px 0 76px;
  }

  .hero::before {
    top: auto;
    right: -24px;
    bottom: 30px;
    width: calc(100% + 48px);
    height: 44%;
    border-radius: 46px 0 0 46px;
  }

  .hero::after {
    right: -20px;
    bottom: 40px;
    width: 75%;
    height: 180px;
  }

  .hero-copy {
    max-width: 680px;
  }

  .hero h1 {
    max-width: 690px;
    font-size: clamp(44px, 9vw, 66px);
  }

  .hero-visual {
    width: min(680px, 94%);
    margin: 0 auto;
  }

  .important-note,
  .section,
  .final-cta,
  .site-footer {
    width: min(100% - 32px, var(--content));
  }

  .important-note {
    grid-template-columns: auto 1fr;
  }

  .important-note a {
    grid-column: 2;
    width: fit-content;
  }

  .section {
    padding: 70px 0;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .feature-card.featured {
    min-height: 210px;
    transform: none;
  }

  .feature-card h3 {
    margin-top: 42px;
  }

  .steps-grid {
    grid-template-columns: 1fr;
  }

  .step-card {
    display: grid;
    grid-template-columns: 62px 1fr;
    column-gap: 14px;
  }

  .step-index {
    grid-row: 1 / 3;
  }

  .step-line {
    display: none;
  }

  .step-card h3 {
    margin-top: 3px;
  }

  .session-section {
    gap: 32px;
    margin-top: 18px;
    padding: 40px;
  }

  .session-steps,
  .session-footer {
    grid-template-columns: 1fr;
  }

  .session-actions {
    grid-template-columns: 1fr;
  }

  .button-session {
    min-height: 58px;
  }

  .session-visual {
    width: min(100%, 680px);
    margin: 0 auto;
  }

  .demo-section,
  .progress-section {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .demo-copy {
    max-width: 680px;
  }

  .domain-card {
    max-width: 470px;
  }

  .account-grid {
    grid-template-columns: 1fr;
  }

  .progress-visual {
    order: 2;
  }

  .progress-copy {
    order: 1;
  }

  .final-cta {
    padding: 44px 38px;
  }

  .site-footer {
    grid-template-columns: auto 1fr;
  }

  .site-footer > div {
    justify-content: flex-end;
  }

  .site-footer p {
    grid-column: 1 / -1;
    white-space: normal;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 15px;
  }

  .site-header {
    width: calc(100% - 28px);
    gap: 12px;
  }

  .brand img {
    width: 145px;
  }

  .header-action {
    min-height: 38px;
    padding: 6px 13px;
    font-size: 12px;
  }

  .hero {
    width: calc(100% - 32px);
    gap: 44px;
    padding-top: 38px;
  }

  .hero::before {
    right: -16px;
    width: calc(100% + 32px);
  }

  .hero::after {
    right: -16px;
  }

  .eyebrow {
    font-size: 10px;
    letter-spacing: .11em;
  }

  .hero h1 {
    font-size: clamp(39px, 11.4vw, 52px);
    line-height: 1.12;
    letter-spacing: -.045em;
  }

  .hero-lead {
    margin-top: 20px;
    font-size: 16px;
    line-height: 1.75;
  }

  .hero-actions {
    display: grid;
    grid-template-columns: 1fr;
    margin-top: 25px;
  }

  .button {
    width: 100%;
    min-height: 50px;
  }

  .hero-points {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-top: 24px;
  }

  .hero-points span {
    display: grid;
    gap: 1px;
    line-height: 1.35;
  }

  .hero-points b {
    font-size: 10px;
  }

  .hero-visual {
    width: 100%;
  }

  .browser-card {
    border-radius: 13px;
    transform: none;
  }

  .browser-bar {
    min-height: 42px;
    grid-template-columns: 64px 1fr 20px;
    padding: 0 10px;
  }

  .browser-dots {
    gap: 5px;
  }

  .browser-dots i {
    width: 7px;
    height: 7px;
  }

  .browser-address {
    padding: 5px 10px;
    font-size: 9px;
  }

  .floating-card {
    min-width: 165px;
    padding: 10px 12px;
  }

  .floating-card strong {
    font-size: 11px;
  }

  .floating-safe {
    top: -21px;
    right: 12px;
  }

  .floating-status {
    right: 0;
    bottom: -27px;
  }

  .important-note,
  .section,
  .final-cta,
  .site-footer {
    width: calc(100% - 32px);
  }

  .important-note {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 17px;
  }

  .important-note a {
    grid-column: auto;
  }

  .note-mark {
    width: 32px;
    height: 32px;
    font-size: 16px;
  }

  .section {
    padding: 58px 0;
  }

  .section-heading {
    margin-bottom: 26px;
  }

  .section-heading h2,
  .demo-copy h2,
  .progress-copy h2 {
    font-size: 31px;
  }

  .section-heading p,
  .demo-copy > p,
  .progress-copy > p {
    font-size: 14px;
  }

  .feature-card {
    min-height: 195px;
    padding: 24px;
  }

  .feature-card h3 {
    margin-top: 34px;
  }

  .step-card {
    grid-template-columns: 52px 1fr;
    padding: 22px;
  }

  .step-index {
    font-size: 24px;
  }

  .shortcut-tip {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .session-section {
    gap: 25px;
    margin-top: 12px;
    padding: 27px 22px;
    border-radius: 19px;
  }

  .session-heading h2 {
    font-size: 30px;
  }

  .session-lead {
    font-size: 14px;
  }

  .session-steps {
    gap: 14px;
  }

  .session-steps li {
    grid-template-columns: 38px minmax(0, 1fr);
    gap: 12px;
    padding: 16px 14px;
  }

  .session-steps li > b {
    width: 36px;
    height: 36px;
  }

  .session-route {
    align-items: flex-start;
    flex-direction: column;
  }

  .session-help,
  .session-safety {
    gap: 4px;
  }

  .demo-section {
    gap: 28px;
  }

  .domain-card {
    padding: 14px;
  }

  .tutorial-player {
    border-radius: 14px;
  }

  .player-controls {
    grid-template-columns: 34px 34px minmax(0, 1fr) 34px;
  }

  .player-controls > span {
    display: none;
  }

  .player-caption {
    min-height: 42px;
    padding-top: 3px;
  }

  .account-card {
    min-height: 220px;
    padding: 24px;
  }

  .account-card h3 {
    font-size: 22px;
  }

  .progress-section {
    gap: 28px;
  }

  .progress-visual {
    padding: 9px;
    border-radius: 15px;
  }

  .safety-grid summary {
    padding: 16px 48px 16px 17px;
    font-size: 14px;
  }

  .final-cta {
    min-height: 330px;
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    gap: 26px;
    padding: 36px 26px;
  }

  .final-cta h2 {
    font-size: 30px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding-bottom: 28px;
    text-align: center;
  }

  .site-footer img {
    width: 150px;
    margin: 0 auto;
  }

  .site-footer > div {
    justify-content: center;
    gap: 16px;
  }

  .site-footer p {
    grid-column: auto;
  }

  .lightbox {
    padding: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}

/* 2026 customer workspace visual system: calm navigation, crisp work surfaces, and one clear action at a time. */
:root {
  --bg: #f3f6fc;
  --surface: #fff;
  --surface-soft: #f7f9fd;
  --ink: #172743;
  --ink-soft: #60708b;
  --muted: #8290a7;
  --line: #dce5f2;
  --teal: #4068ce;
  --teal-bright: #7be1d5;
  --teal-deep: #274d9f;
  --navy: #1a2851;
  --navy-deep: #101c3b;
  --gold: #88e2d8;
  --danger: #c43343;
  --radius: 20px;
  --shadow: 0 22px 52px rgba(27, 52, 98, .12);
  --shadow-soft: 0 12px 30px rgba(27, 52, 98, .08);
  --content: 1240px;
}

body {
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, rgba(93, 129, 221, .13), transparent 27rem),
    radial-gradient(circle at 92% 18%, rgba(123, 225, 213, .15), transparent 24rem),
    var(--bg);
}

.site-header {
  width: min(var(--content), calc(100% - 48px));
  min-height: 88px;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
}

.brand { gap: 10px; color: #182650; text-decoration: none; }
.brand img { display: none; }
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  color: #1b315f;
  background: linear-gradient(135deg, #a7eee5, #79d8d1);
  box-shadow: 0 8px 17px rgba(56, 126, 155, .18);
}
.brand-mark svg { width: 25px; height: 25px; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.9; }
.brand-copy { display: grid; line-height: 1.18; }
.brand-copy strong { font-size: 16px; font-weight: 820; letter-spacing: -.02em; }
.brand-copy small { margin-top: 3px; color: #7a8aa5; font-size: 11px; font-weight: 700; }

.desktop-nav { gap: 7px; }
.desktop-nav a { padding: 8px 12px; border-radius: 9px; color: #65748e; font-size: 13px; }
.desktop-nav a::after { display: none; }
.desktop-nav a:hover { color: #294c99; background: #eaf0fe; }
.header-action { min-height: 42px; padding: 8px 17px; border: 0; border-radius: 11px; color: #fff; background: linear-gradient(135deg, #4168ca, #2b4eaa); box-shadow: 0 9px 18px rgba(48, 82, 173, .22); backdrop-filter: none; }
.header-action:hover { background: linear-gradient(135deg, #4b73d6, #3159ba); }

.hero {
  width: min(var(--content), calc(100% - 48px));
  min-height: 540px;
  grid-template-columns: minmax(0, .9fr) minmax(460px, 1.1fr);
  gap: 58px;
  margin-top: 8px;
  padding: 60px 54px;
  overflow: hidden;
  border-radius: 28px;
  color: #f8fbff;
  background: linear-gradient(122deg, #162550, #263c78 58%, #31538e);
  box-shadow: 0 24px 52px rgba(25, 46, 94, .18);
}
.hero::before { top: auto; right: -120px; bottom: -160px; width: 540px; height: 540px; border: 1px solid rgba(166, 225, 222, .18); border-radius: 50%; background: transparent; box-shadow: 0 0 0 44px rgba(166, 225, 222, .05), 0 0 0 88px rgba(166, 225, 222, .035); }
.hero::after { right: -80px; bottom: auto; top: 0; width: 420px; height: 100%; opacity: .28; background: linear-gradient(90deg, rgba(137, 231, 220, .24) 1px, transparent 1px) 0 0 / 44px 44px, linear-gradient(rgba(137, 231, 220, .24) 1px, transparent 1px) 0 0 / 44px 44px; }
.eyebrow { color: #96e8dc; }
.eyebrow span { background: #96e8dc; }
.hero h1 { max-width: 640px; color: #fff; font-size: clamp(42px, 4.6vw, 64px); letter-spacing: -.052em; }
.hero h1 em { color: #97eadf; font-style: normal; }
.hero-lead { max-width: 550px; color: #c1cee8; font-size: 16px; }
.button { border-radius: 12px; font-weight: 800; }
.button-primary { color: #152653; background: #8ce4d9; box-shadow: 0 12px 22px rgba(2, 21, 56, .25); }
.button-primary:hover { color: #12214a; background: #a7f1e6; }
.button-secondary { border-color: rgba(205, 220, 248, .35); color: #edf4ff; background: rgba(255,255,255,.08); }
.button-secondary:hover { color: #fff; border-color: rgba(205, 220, 248, .62); background: rgba(255,255,255,.15); }
.hero-points { gap: 10px; }
.hero-points span { border: 1px solid rgba(185, 207, 245, .18); border-radius: 9px; color: #dbe7fe; background: rgba(8, 24, 61, .18); }
.hero-points b { color: #91e3d9; }
.hero-visual { padding: 12px; border: 1px solid rgba(210, 226, 255, .24); border-radius: 20px; background: rgba(250, 252, 255, .95); box-shadow: 0 22px 38px rgba(7, 18, 54, .25); }
.browser-card { border: 0; border-radius: 12px; box-shadow: none; }
.browser-bar { background: #eef3fb; }
.browser-address { border-color: #dce5f2; background: #fff; color: #72819a; }
.floating-card { border-color: #d8e2f1; border-radius: 12px; box-shadow: 0 12px 22px rgba(16, 35, 74, .14); }
.floating-card span { color: #6980a5; }
.floating-card strong { color: #243c6b; }
.floating-status strong i { background: #31b99e; }

.important-note { width: min(var(--content), calc(100% - 48px)); margin: 22px auto 0; border: 1px solid #f0d79d; border-radius: 16px; background: #fffbef; box-shadow: none; }
.note-mark { border-radius: 10px; color: #9b6514; background: #ffecb7; }
.important-note strong { color: #4b3a1d; }
.important-note p { color: #74603b; }
.important-note a { color: #8d621e; }

.section { width: min(var(--content), calc(100% - 48px)); padding: 78px 0; }
.section-kicker { color: #4d70c9; }
.section-heading h2, .demo-copy h2, .progress-copy h2 { color: #182a4b; letter-spacing: -.035em; }
.feature-section .section-heading h2 { line-height: 1.2; }
.feature-section .section-heading h2 span { color: #4c69ba; }
.section-heading p, .demo-copy > p, .progress-copy > p { color: #667791; }

.feature-section { padding-top: 84px; }
.feature-grid { gap: 14px; }
.feature-card { min-height: 210px; border: 1px solid #dfe7f2; border-radius: 18px; background: #fff; box-shadow: none; }
.feature-card::before { width: 100%; height: 4px; border-radius: 18px 18px 0 0; background: #8fe3d8; }
.feature-card.featured { color: #f6fbff; border: 0; background: linear-gradient(135deg, #1b2c59, #314e91); box-shadow: 0 16px 30px rgba(36, 59, 117, .18); }
.feature-card.featured::before { background: #96eadf; }
.feature-number { color: #5874bd; background: #edf2fd; }
.feature-card.featured .feature-number { color: #19315f; background: #93e6db; }
.feature-card h3 { color: #21375e; }
.feature-card p { color: #718098; }
.feature-card.featured h3 { color: #fff; }
.feature-card.featured p { color: #c7d5f1; }

.steps-section { padding: 72px 38px; border: 1px solid #d9e4f3; border-radius: 24px; background: #fff; box-shadow: var(--shadow-soft); }
.steps-grid { gap: 0; }
.step-card { min-height: 192px; padding: 26px 24px; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
.step-card + .step-card { border-left: 1px solid #e2e9f3; }
.step-index { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; color: #1b3263; background: #9be7de; font-size: 15px; font-weight: 850; }
.step-card h3 { margin-top: 20px; color: #22395f; }
.step-card p { color: #6b7a93; }
.step-line { top: 46px; left: 68px; right: -7px; height: 1px; background: #cfdbed; }
.shortcut-tip { border-color: #dae4f1; border-radius: 13px; color: #5d6e88; background: #f6f8fc; }
.shortcut-tip strong { color: #31549f; }
.shortcut-tip kbd { border-color: #d7e1ef; color: #425779; background: #fff; box-shadow: 0 2px 0 #d7e1ef; }

.session-section { border: 0; border-radius: 25px; background: linear-gradient(135deg, #192955, #263e7b); box-shadow: 0 22px 48px rgba(28, 50, 101, .18); }
.session-heading .section-kicker, .session-heading h2 { color: #fff; }
.session-heading .section-kicker { color: #95e7dd; }
.session-lead { color: #bdcbe8; }
.session-route { border-color: rgba(185, 207, 247, .2); border-radius: 12px; color: #c8d5ee; background: rgba(255,255,255,.08); }
.session-route a { color: #9ce9df; }
.session-steps li { border-color: rgba(196, 214, 249, .18); border-radius: 14px; background: rgba(255,255,255,.07); }
.session-steps li > b { color: #17305f; background: #92e5dc; }
.session-steps strong { color: #fff; }
.session-steps span { color: #c4d1ea; }
.session-steps a { color: #9ce9df; }
.copy-method em { color: #95e7dd; }
.session-steps kbd { border-color: rgba(201, 218, 249, .2); color: #e8f0ff; background: rgba(6, 19, 53, .32); box-shadow: none; }
.session-footer { gap: 14px; }
.session-help, .session-safety { border: 1px solid rgba(194, 211, 246, .18); border-radius: 14px; background: rgba(6, 20, 55, .18); }
.session-help strong, .session-safety strong { color: #fff; }
.session-help span, .session-safety span { color: #bed0ed; }
.session-safety { border-color: rgba(126, 226, 214, .3); }
.button-session { color: #1b315e; background: #91e5db; box-shadow: 0 12px 22px rgba(5, 17, 50, .26); }
.button-session:hover { background: #a7f0e6; }
.session-visual { border-color: rgba(200, 218, 249, .22); border-radius: 14px; background: rgba(255,255,255,.07); }
.session-visual span { color: #c7d3e9; }

/* Keep every nested card comfortably inside the dark Session workspace. */
.session-section {
  gap: 28px;
  padding: 60px 56px 56px;
}
.session-heading { margin: 0; }
.session-route { margin-top: 22px; }
.session-steps { gap: 14px; margin: 2px 0 0; }
.session-steps li { padding: 19px 18px; }
.session-footer { gap: 14px; margin-top: 2px; }
.session-help, .session-safety { padding: 18px; }
.session-actions { margin-top: 2px; }

.demo-section { padding: 78px 38px; border-radius: 24px; background: #fff; box-shadow: var(--shadow-soft); }
.domain-card { border: 1px solid #dce5f2; border-radius: 14px; background: #f7f9fd; }
.domain-card span { color: #73839b; }
.domain-card strong { color: #263c68; }
.domain-card button { border: 0; border-radius: 9px; color: #fff; background: #4168ca; }
.tutorial-player { border: 1px solid #d9e3f1; border-radius: 18px; box-shadow: 0 18px 34px rgba(30, 57, 111, .10); }
.player-stage { background: #f1f5fb; }
.player-badge { color: #204078; background: #a4ebe1; }
.player-controls { border-color: #e3eaf4; background: #fff; }
.player-controls button { border-color: #dbe4f1; color: #34569e; background: #f7f9fd; }
.player-controls button:hover { color: #fff; background: #3d65c4; }
.player-progress button { background: #d8e1f0; }
.player-progress button.active { background: #4b70c9; }
.player-caption { color: #5d6f8c; }

.accounts-section { padding-bottom: 68px; }
.account-grid { gap: 14px; }
.account-card { border-radius: 18px; box-shadow: none; }
.account-good { border-color: #bfe2d7; background: #f3fcf8; }
.account-upgrade { border-color: #cddaf5; background: #f5f8ff; }
.account-label { border-radius: 999px; }
.account-good .account-label { color: #167b60; background: #dff5eb; }
.account-upgrade .account-label { color: #365aa7; background: #e4edff; }
.account-card h3 { color: #20385f; }
.account-card p, .account-card span { color: #657690; }
.account-warning { border: 1px solid #f1d4a4; border-radius: 13px; color: #725426; background: #fff9ed; }

.progress-section { padding: 72px 38px; border: 1px solid #dce5f2; border-radius: 24px; background: #fff; box-shadow: var(--shadow-soft); }
.progress-visual { border: 0; border-radius: 17px; background: #edf2fb; }
.status-list > div { border-color: #e0e7f2; border-radius: 11px; background: #f8fafe; }
.status-list i { background: #96e4db; }
.status-list strong { color: #263e6c; }
.status-list span { color: #6c7d96; }

.safety-section { padding-bottom: 84px; }
.safety-grid details { border-color: #dce5f2; border-radius: 14px; background: #fff; }
.safety-grid summary { color: #28406e; }
.safety-grid summary::after { color: #4168c7; }
.safety-grid p { color: #697991; }

.final-cta { width: min(var(--content), calc(100% - 48px)); min-height: 250px; border-radius: 25px; background: linear-gradient(118deg, #172755, #274887); box-shadow: 0 24px 48px rgba(25, 47, 101, .18); }
.final-cta::after { background: radial-gradient(circle, rgba(147, 230, 219, .18), transparent 65%); }
.final-cta span { color: #98e7dc; }
.final-cta h2 { color: #fff; }
.final-cta p { color: #c6d3ec; }
.button-light { color: #1d3566; background: #94e6dc; }
.button-light:hover { background: #adf1e7; }

/* Feature labels are compact step markers, not decorative horizontal bars. */
.feature-number,
.feature-card.featured .feature-number {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #365da9;
  background: #e9effc;
  box-shadow: inset 0 0 0 1px rgba(61, 94, 169, .10);
  font-size: 12px;
  font-weight: 850;
  letter-spacing: .03em;
}
.feature-card.featured .feature-number { color: #18325f; background: #98e7dd; box-shadow: none; }
.feature-card h3 { margin-top: 20px; }
.feature-card p { margin-top: 7px; }

.final-cta .button-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}
.final-cta .button-light > span {
  display: inline-block;
  margin: 0;
  color: #1d3566;
  font-size: 20px;
  font-weight: 700;
  line-height: 1;
}

.site-footer { width: min(var(--content), calc(100% - 48px)); color: #71809a; }
.site-footer img { display: none; }
.site-footer::before { content: "AI 会员充值 · 核销卡密教程"; color: #263d69; font-size: 14px; font-weight: 800; }
.site-footer a { color: #677895; }
.site-footer a:hover { color: #3457aa; }

@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; gap: 38px; padding: 48px 38px; }
  .hero-visual { max-width: 670px; width: 100%; margin: 0 auto; }
  .steps-section, .demo-section, .progress-section { padding: 42px 28px; }
  .step-card + .step-card { border-top: 1px solid #e2e9f3; border-left: 0; }
  .step-line { display: none; }
  .session-section { padding: 44px 34px 38px; }
}

@media (max-width: 620px) {
  .site-header { width: calc(100% - 28px); min-height: 70px; }
  .brand-mark { width: 36px; height: 36px; border-radius: 11px; }
  .brand-mark svg { width: 22px; height: 22px; }
  .brand-copy strong { font-size: 14px; }
  .brand-copy small { font-size: 10px; }
  .desktop-nav { display: none; }
  .header-action { min-height: 36px; padding: 7px 11px; border-radius: 9px; font-size: 12px; }
  .hero, .important-note, .section, .final-cta, .site-footer { width: calc(100% - 28px); }
  .hero { min-height: 0; gap: 30px; padding: 34px 22px 28px; border-radius: 20px; }
  .hero h1 { font-size: 36px; }
  .hero-lead { font-size: 14px; }
  .hero-actions { gap: 9px; }
  .hero-actions .button { flex: 1; min-height: 44px; padding: 10px 12px; font-size: 13px; text-align: center; }
  .hero-points { grid-template-columns: 1fr; }
  .hero-visual { padding: 7px; border-radius: 14px; }
  .floating-card { display: none; }
  .important-note { margin-top: 14px; }
  .section { padding: 54px 0; }
  .section-heading h2, .demo-copy h2, .progress-copy h2, .session-heading h2 { font-size: 29px; }
  .feature-grid { gap: 10px; }
  .feature-card { min-height: 170px; padding: 21px; }
  .steps-section, .demo-section, .progress-section { padding: 28px 18px; border-radius: 18px; }
  .step-card { min-height: 0; padding: 20px 5px; }
  .shortcut-tip { margin-top: 14px; }
  .session-section { padding: 31px 18px; border-radius: 20px; }
  .session-steps li { padding: 15px 12px; }
  .demo-section, .progress-section { display: grid; }
  .tutorial-player { order: -1; }
  .progress-visual { padding: 6px; }
  .final-cta { min-height: 0; padding: 34px 23px; border-radius: 20px; }
  .site-footer { gap: 15px; }
}

/* The guide embeds the real, current customer interface instead of keeping a second set of stale screenshots. */
.screen-preview.live-app-preview {
  position: relative;
  display: block;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid #d6e1f0;
  border-radius: 13px;
  background: #eff4fb;
  box-shadow: 0 15px 30px rgba(24, 52, 104, .13);
  cursor: pointer;
}

.live-app-preview iframe,
.player-stage iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 208.34%;
  height: 208.34%;
  border: 0;
  pointer-events: none;
  transform: scale(.48);
  transform-origin: top left;
  background: #f3f6fc;
}

.live-preview-label {
  position: absolute;
  z-index: 2;
  right: 12px;
  bottom: 12px;
  max-width: calc(100% - 24px);
  padding: 6px 9px;
  border: 1px solid rgba(210, 226, 252, .38);
  border-radius: 999px;
  color: #f5f9ff;
  background: rgba(20, 38, 80, .82);
  box-shadow: 0 7px 16px rgba(11, 25, 61, .22);
  font-size: 11px;
  font-weight: 760;
  backdrop-filter: blur(8px);
}

.screen-preview.live-app-preview:hover { border-color: #94aee8; }
.screen-preview.live-app-preview:hover .live-preview-label { background: #2d55ad; }

.guide-app-preview {
  position: relative;
  width: 208.34%;
  height: 208.34%;
  overflow: hidden;
  color: #253759;
  background: #eef3fb;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  transform: scale(.48);
  transform-origin: top left;
}
.guide-app-top { height: 78px; display: flex; align-items: center; justify-content: space-between; padding: 0 38px; color: #f8fbff; background: linear-gradient(105deg, #192753, #2e4c91); font-size: 15px; }
.guide-app-top b { color: #a5eee4; font-size: 18px; }
.guide-app-top span { color: #d4dff7; }
.guide-app-workspace { min-height: calc(100% - 78px); display: grid; grid-template-columns: 250px 1fr; gap: 20px; padding: 20px; }
.guide-app-workspace aside { display: grid; align-content: start; gap: 12px; padding: 24px 19px; border-radius: 17px; color: #d7e4ff; background: linear-gradient(155deg, #182854, #27447e); }
.guide-app-workspace aside small { color: #a4b5d9; font-size: 13px; }
.guide-app-workspace aside strong { margin-bottom: 13px; color: #fff; font-size: 24px; }
.guide-app-workspace aside i { padding: 13px 11px; border: 1px solid rgba(191, 209, 248, .16); border-radius: 10px; color: #c4d2ef; font-size: 14px; font-style: normal; }
.guide-app-workspace aside i.active { color: #1f3564; background: #91e4da; }
.guide-app-panel { padding: 31px; border-radius: 20px; background: #fff; box-shadow: 0 12px 28px rgba(29, 53, 100, .08); }
.guide-app-panel > small { color: #7182a1; font-size: 13px; }
.guide-app-panel h4 { margin: 14px 0 7px; color: #1c2e53; font-size: 31px; letter-spacing: -.04em; }
.guide-app-panel p { margin: 0; color: #6e7e96; font-size: 15px; }
.guide-app-notice { margin: 25px 0 20px; padding: 13px 16px; border: 1px solid #f0d89c; border-radius: 11px; color: #806026; background: #fffaed; font-size: 14px; }
.guide-app-form { margin-top: 24px; padding: 18px; border: 1px solid #dce5f2; border-radius: 14px; }
.guide-app-form b { display: block; margin-bottom: 12px; font-size: 16px; }
.guide-app-form span { display: flex; align-items: center; justify-content: space-between; min-height: 44px; padding-left: 14px; border: 1px solid #ccd9ec; border-radius: 9px; color: #8a98ac; background: #fbfcfe; font-size: 14px; }
.guide-app-form em { align-self: stretch; display: grid; place-items: center; min-width: 112px; padding: 0 14px; border-radius: 8px; color: #fff; background: #3d63c4; font-style: normal; font-weight: 750; }
.guide-progress-result { margin-top: 17px; padding: 17px; border: 1px solid #b9dbe8; border-radius: 13px; background: #f3fbfd; }
.guide-progress-result b { display: flex; justify-content: space-between; color: #23406a; font-size: 15px; }
.guide-progress-result b span { color: #18866e; }
.guide-progress-result > i { display: block; height: 4px; margin: 15px 0 12px; border-radius: 99px; background: linear-gradient(90deg, #2ca891 0 45%, #75d8ca 54%, #d7e5ed 75%); }
.guide-progress-result small { color: #5d718f; font-size: 12px; white-space: nowrap; }
.demo-guide-preview { position: absolute; inset: 0; width: 208.34%; height: 208.34%; }
.demo-guide-preview .demo-status-preview { display: none; }
.demo-guide-preview[data-view="status"] .demo-submit-preview { display: none; }
.demo-guide-preview[data-view="status"] .demo-status-preview { display: grid; }
.guide-status-preview .guide-app-workspace aside { min-height: 100%; }

.session-visual.live-session-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 12px 16px;
  color: #c8d5ec;
  cursor: pointer;
  text-decoration: none;
}

.session-visual.live-session-preview span {
  padding: 0;
  border: 0;
  text-align: center;
}

.player-stage { overflow: hidden; }
.player-badge { z-index: 2; }

@media (max-width: 620px) {
  .live-preview-label { right: 8px; bottom: 8px; padding: 5px 7px; font-size: 10px; }
  .session-visual.live-session-preview { min-height: 48px; font-size: 12px; }
}

/* Current customer UI: a light, focused homepage rather than the retired sidebar workspace. */
:root {
  --bg: #f7f7fc;
  --surface-soft: #f1f0fb;
  --ink: #22243a;
  --ink-soft: #66677d;
  --muted: #85859a;
  --line: #e3e1ed;
  --teal: #6255cc;
  --teal-bright: #8174e4;
  --teal-deep: #5143c4;
  --navy: #2b2459;
  --navy-deep: #211b48;
  --gold: #d59d35;
  --content: 1120px;
}

body {
  background:
    radial-gradient(circle at 8% 5%, rgba(119, 104, 224, .12), transparent 25rem),
    radial-gradient(circle at 92% 13%, rgba(102, 210, 198, .12), transparent 27rem),
    var(--bg);
}
.site-header { min-height: 76px; border-bottom: 1px solid rgba(225, 223, 236, .9); }
.brand-mark { border-radius: 11px; color: #fff; background: linear-gradient(135deg, #7164e6, #5547c9); box-shadow: 0 8px 18px rgba(91, 75, 205, .18); }
.brand-mark svg { stroke: currentColor; }
.brand-copy strong { color: #26283f; }
.brand-copy small { color: #7d7d91; }
.desktop-nav a { color: #727286; }
.desktop-nav a::after { background: #6657d5; }
.header-action { border-color: #d9d4f5; color: #5548c8; background: #f4f2ff; box-shadow: none; }
.header-action:hover { background: #6255cc; }

.hero {
  min-height: 510px;
  grid-template-columns: minmax(0, .9fr) minmax(430px, 1.1fr);
  gap: 54px;
  margin-top: 32px;
  padding: 54px 54px 52px;
  border: 1px solid #e1dfeb;
  border-radius: 28px;
  background: rgba(255,255,255,.88);
  box-shadow: 0 24px 54px rgba(43, 37, 79, .08);
}
.hero::before, .hero::after { display: none; }
.eyebrow, .section-kicker { color: #7568d8; }
.hero h1 { color: #24263c; font-size: clamp(42px, 4.4vw, 60px); }
.hero h1 em { color: #6153ce; }
.hero-lead { color: #6d6d81; font-size: 16px; line-height: 1.75; }
.button-primary { background: linear-gradient(135deg, #6b5ce0, #5042c3); box-shadow: 0 12px 24px rgba(79,64,190,.2); }
.button-secondary { border-color: #dfdced; color: #5e5d73; background: #fff; }
.hero-points { border-top-color: #e8e5f0; }
.hero-points b { color: #6759d3; }
.browser-card { border: 1px solid #dedbe9; border-radius: 18px; background: #fbfaff; box-shadow: 0 18px 34px rgba(51,42,102,.11); }
.browser-bar { border-bottom-color: #e5e2ee; background: #f4f2fa; }
.browser-address { color: #77758a; background: #fff; }
.floating-safe, .floating-status { color: #5144b4; border-color: #ded9fb; background: #fff; box-shadow: 0 12px 25px rgba(57, 47, 118, .12); }

.important-note { border-color: #f0d99f; background: #fffaf0; box-shadow: none; }
.important-note .note-mark { color: #85652a; background: #f6e8c9; }
.important-note strong { color: #64502e; }
.important-note p { color: #876f45; }
.important-note a { color: #6a59cd; }

.feature-section, .steps-section, .demo-section, .progress-section { border-radius: 24px; }
.feature-section, .steps-section { padding-right: 38px; padding-left: 38px; background: rgba(255,255,255,.72); }
.feature-card { border-color: #e5e2ef; background: #fff; box-shadow: none; }
.feature-card.featured { border-color: #d7d1f7; background: #f5f3ff; }
.steps-section { border: 1px solid #e4e2ed; }
.step-index { color: #6557d2; background: #efedff; }
.step-line { background: #dfdcef; }
.shortcut-tip { border-color: #e5e2ef; background: #faf9fd; }

.session-section { border: 1px solid #dfdced; border-radius: 26px; color: #2f3047; background: #f5f3ff; }
.session-heading h2, .session-heading .section-kicker { color: #2a2c45; }
.session-heading .section-kicker { color: #7164d8; }
.session-lead, .session-steps span { color: #64657b; }
.session-route { border-color: #ded9f6; background: #fff; }
.session-route span { color: #74758a; }
.session-route a { color: #5f52c8; }
.session-steps li { border-color: #e1def0; background: #fff; }
.session-steps b { color: #fff; background: #6658d6; }
.session-steps strong { color: #303249; }
.session-help, .session-safety { border-color: #dfdbee; background: #fff; }
.session-help strong, .session-safety strong { color: #3d3973; }
.session-help span, .session-safety span { color: #68697e; }
.button-session { color: #fff; background: #6255cc; box-shadow: 0 12px 22px rgba(79,64,190,.2); }
.session-visual { border-color: #dcd8ef; background: #fff; }
.session-visual.live-session-preview { color: #5d51c6; }

.guide-app-preview { color: #2b2d43; background: #f7f6fc; }
.guide-app-top { height: 68px; padding: 0 34px; color: #24263d; background: #fff; border-bottom: 1px solid #e4e1ee; }
.guide-app-top b { color: #302c5b; font-size: 18px; }
.guide-app-top span { color: #747389; }
.guide-app-top span em { padding: 6px 10px; border-radius: 8px; color: #5749c5; background: #efedff; font-style: normal; }
.guide-app-workspace { min-height: calc(100% - 68px); display: block; padding: 38px 42px; }
.guide-app-workspace aside { display: none; }
.guide-app-panel { max-width: 100%; min-height: 0; padding: 32px; border: 1px solid #e1deeb; border-radius: 18px; background: #fff; box-shadow: 0 13px 28px rgba(43,37,79,.07); }
.guide-app-panel > small { color: #8174da; font-size: 13px; font-weight: 850; letter-spacing: .1em; }
.guide-app-panel h4 { margin: 9px 0 7px; color: #252740; font-size: 30px; }
.guide-app-panel p { color: #6f7083; }
.guide-app-notice { margin: 18px 0 0; padding: 0 0 0 10px; border: 0; border-left: 2px solid #ead8ac; border-radius: 0; color: #8d7a57; background: transparent; }
.guide-app-form { margin-top: 22px; padding: 0; border: 0; }
.guide-app-form b { color: #2d3048; }
.guide-app-form span { min-height: 50px; border-color: #d8d2fa; color: #9893ad; background: #fbfaff; }
.guide-app-form em { min-width: 124px; color: #fff; background: #6255cc; }
.guide-progress-result { border-color: #d9d4f7; background: #f6f4ff; }
.guide-progress-result b { color: #35375a; }
.guide-progress-result b span { color: #5b4fc3; }
.guide-progress-result > i { background: linear-gradient(90deg,#6759d6 0 45%,#a89ef2 54%,#e2e0ec 75%); }
.guide-progress-result small { color: #6c6d82; }

@media (max-width: 920px) {
  .hero { grid-template-columns: 1fr; min-height: 0; padding: 42px 34px; }
  .session-section { padding: 42px 32px; }
}
@media (max-width: 620px) {
  .site-header { min-height: 64px; }
  .header-action { color: #5548c8; background: #f1efff; }
  .hero { margin-top: 14px; padding: 30px 20px; border-radius: 20px; }
  .hero h1 { font-size: 34px; }
  .hero-points { display: none; }
  .feature-section, .steps-section { padding-right: 18px; padding-left: 18px; }
  .session-section { padding: 30px 18px; border-radius: 20px; }
  .guide-app-workspace { padding: 20px; }
  .guide-app-panel { padding: 21px; border-radius: 14px; }
  .guide-app-panel h4 { font-size: 25px; }
}

/* Final contrast and preview pass: no inherited dark-theme text on light surfaces. */
.button-primary,
.button-primary:hover,
.button-primary:focus-visible {
  color: #fff;
}
.button-secondary,
.button-secondary:hover,
.button-secondary:focus-visible {
  color: #514b70;
  background: #fff;
}
.button-secondary:hover { border-color: #cfc9ed; background: #f7f5ff; }
.hero-points span { color: #615f75; border-color: #dedbea; background: #f8f7fc; }
.hero-points b { color: #6255cc; }
.feature-card.featured,
.feature-card.featured h3,
.feature-card.featured p {
  color: #2b2d43;
}
.feature-card.featured h3 { color: #26283f; }
.feature-card.featured p { color: #66677d; }
.feature-card.featured::before { background: #8ae1d7; }

/* The preview uses the same no-sidebar structure as the current activation page. */
.screen-preview .guide-app-preview,
.demo-guide-preview,
.guide-status-preview {
  width: 100%;
  height: 100%;
  transform: none;
}
.screen-preview .guide-app-preview { min-height: 100%; }
.guide-app-preview {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.guide-app-top {
  height: 48px;
  flex: 0 0 48px;
  padding: 0 22px;
  font-size: 11px;
}
.guide-app-top b { font-size: 13px; }
.guide-app-top span em { padding: 4px 7px; border-radius: 6px; }
.guide-app-workspace {
  min-height: 0;
  flex: 1;
  padding: 22px;
}
.guide-app-panel {
  min-height: 100%;
  padding: 22px;
  border-radius: 14px;
}
.guide-app-panel > small { font-size: 10px; }
.guide-app-panel h4 { margin-top: 6px; font-size: 23px; }
.guide-app-panel p { font-size: 12px; line-height: 1.55; }
.guide-app-form { margin-top: 15px; }
.guide-app-form b { margin-bottom: 6px; font-size: 12px; }
.guide-app-form span { min-height: 38px; padding-left: 10px; font-size: 11px; }
.guide-app-form em { min-width: 92px; padding: 0 9px; font-size: 11px; }
.guide-app-notice { margin-top: 13px; font-size: 10px; }
.guide-progress-result { margin-top: 13px; padding: 12px; }
.guide-progress-result b { font-size: 11px; }
.guide-progress-result > i { margin: 10px 0 8px; }
.guide-progress-result small { font-size: 9px; white-space: normal; }
.demo-guide-preview .demo-status-preview { display: none; }
.demo-guide-preview[data-view="status"] .demo-status-preview { display: block; }

@media (max-width: 620px) {
  .guide-app-top { height: 38px; flex-basis: 38px; padding: 0 13px; }
  .guide-app-top b { font-size: 10px; }
  .guide-app-top span { font-size: 8px; }
  .guide-app-workspace { padding: 12px; }
  .guide-app-panel { padding: 13px; border-radius: 10px; }
  .guide-app-panel h4 { font-size: 16px; }
  .guide-app-panel p { font-size: 9px; }
  .guide-app-form span { min-height: 28px; font-size: 8px; }
  .guide-app-form em { min-width: 66px; font-size: 8px; }
  .guide-app-notice { font-size: 8px; }
}