/* BookmarkHub V3 - 推广主页（DEEP TERMINAL 风格） */

:root {
  --bg: #05080f;
  --bg-deep: #04060c;
  --panel: #0b1220;
  --panel-2: #0e1728;
  --panel-3: #132036;
  --line: rgba(148, 163, 184, .16);
  --line-2: rgba(148, 163, 184, .30);
  --text: #e9f0ff;
  --muted: #9fb0cf;
  --dim: #64748b;
  --cyan: #22d3ee;
  --violet: #8b5cf6;
  --blue: #60a5fa;
  --green: #34d399;
  --amber: #fbbf24;
  --red: #f87171;
  --radius: 12px;
  --font: "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif;
  --mono: "Cascadia Mono", Consolas, "SFMono-Regular", Menlo, monospace;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}

body {
  font: 15px/1.7 var(--font);
  color: var(--text);
  background:
    radial-gradient(1100px 560px at 88% -8%, rgba(139, 92, 246, .16), transparent 58%),
    radial-gradient(900px 480px at -6% 30%, rgba(34, 211, 238, .11), transparent 52%),
    linear-gradient(rgba(148, 163, 184, .045) 1px, transparent 1px) 0 0 / 38px 38px,
    linear-gradient(90deg, rgba(148, 163, 184, .045) 1px, transparent 1px) 0 0 / 38px 38px,
    var(--bg);
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(600px 300px at 20% 12%, rgba(34, 211, 238, .07), transparent 65%),
    radial-gradient(700px 360px at 78% 42%, rgba(139, 92, 246, .07), transparent 62%);
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
}

code {
  padding: 2px 7px;
  border: 1px solid rgba(34, 211, 238, .28);
  border-radius: 6px;
  background: rgba(34, 211, 238, .08);
  color: #7deeff;
  font-family: var(--mono);
  font-size: .92em;
}

.shell {
  width: min(1240px, 100% - 48px);
  margin: 0 auto;
}

.top-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 120;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  box-shadow: 0 0 16px rgba(34, 211, 238, .55);
  transition: width .08s linear;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(5, 8, 15, .72);
  backdrop-filter: blur(14px);
  transition: border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.site-header.scrolled {
  border-bottom-color: var(--line);
  background: rgba(5, 8, 15, .88);
  box-shadow: 0 12px 34px rgba(0, 0, 0, .28);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  gap: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: linear-gradient(135deg, var(--cyan), var(--violet));
  color: #04111d;
  box-shadow: 0 0 26px rgba(34, 211, 238, .34);
}

.brand-mark svg {
  width: 20px;
  height: 20px;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand-name {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .3px;
}

.brand-sub {
  margin-top: 3px;
  font-family: var(--mono);
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--dim);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-left: auto;
  color: var(--muted);
  font-size: 14px;
}

.main-nav a {
  position: relative;
  padding: 6px 0;
  transition: color .15s ease;
}

.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
  transition: right .2s ease;
}

.main-nav a:hover {
  color: var(--text);
}

.main-nav a:hover::after {
  right: 0;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 40px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 9px;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: transform .14s ease, box-shadow .18s ease, border-color .15s ease, background .15s ease;
}

.btn svg {
  width: 16px;
  height: 16px;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, #0ea5b7, var(--cyan));
  color: #03141a;
  box-shadow: 0 8px 24px rgba(34, 211, 238, .22);
}

.btn-primary:hover {
  box-shadow: 0 10px 30px rgba(34, 211, 238, .32);
}

.btn-ghost {
  border-color: var(--line-2);
  background: rgba(13, 20, 36, .72);
  color: var(--muted);
}

.btn-ghost:hover {
  border-color: rgba(34, 211, 238, .55);
  color: var(--cyan);
  box-shadow: 0 0 22px rgba(34, 211, 238, .12);
}

.btn-lg {
  height: 50px;
  padding: 0 26px;
  font-size: 15px;
  border-radius: 11px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 74px 0 66px;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(34, 211, 238, .05), transparent 34%),
    radial-gradient(720px 420px at 70% 18%, rgba(139, 92, 246, .14), transparent 60%);
}

.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 54px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 11px;
  border: 1px solid rgba(34, 211, 238, .34);
  border-radius: 999px;
  background: rgba(34, 211, 238, .07);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(52, 211, 153, .5);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(52, 211, 153, .45); }
  70% { box-shadow: 0 0 0 9px rgba(52, 211, 153, 0); }
  100% { box-shadow: 0 0 0 0 rgba(52, 211, 153, 0); }
}

.hero h1 {
  margin: 22px 0 0;
  font-size: clamp(34px, 4.6vw, 54px);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: 0;
}

.grad-text {
  background: linear-gradient(100deg, var(--cyan) 10%, #7dd3fc 42%, var(--violet) 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  margin: 20px 0 0;
  max-width: 560px;
  color: var(--muted);
  font-size: 16.5px;
}

.hero-cta {
  display: flex;
  gap: 12px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.hero-proof {
  display: flex;
  gap: 0;
  margin-top: 36px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 18, 32, .62);
  overflow: hidden;
}

.hero-proof > div {
  flex: 1;
  min-width: 110px;
  padding: 15px 16px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}

.hero-proof > div:last-child {
  border-right: 0;
}

.hero-proof strong {
  font-family: var(--mono);
  font-size: 20px;
  color: var(--cyan);
}

.hero-proof span {
  margin-top: 2px;
  color: var(--dim);
  font-size: 12px;
}

.hero-stage {
  position: relative;
  min-height: 480px;
  display: grid;
  place-items: center;
}

.orbit {
  position: absolute;
  border: 1px dashed rgba(148, 163, 184, .18);
  border-radius: 50%;
  pointer-events: none;
}

.orbit-a {
  width: 430px;
  height: 430px;
  animation: spin 46s linear infinite;
}

.orbit-b {
  width: 340px;
  height: 340px;
  border-color: rgba(139, 92, 246, .22);
  animation: spin 34s linear infinite reverse;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.orbit-a::before,
.orbit-b::before {
  content: "";
  position: absolute;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
  top: 22%;
  left: 8%;
}

.orbit-b::before {
  background: var(--violet);
  box-shadow: 0 0 14px var(--violet);
  top: 72%;
  left: 84%;
}

.browser-mock {
  position: relative;
  z-index: 2;
  width: min(480px, 100%);
  border: 1px solid var(--line-2);
  border-radius: 14px;
  background: rgba(11, 18, 32, .92);
  box-shadow: 0 36px 90px rgba(0, 0, 0, .5), 0 0 60px rgba(34, 211, 238, .08);
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.mock-top {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 42px;
  padding: 0 13px;
  border-bottom: 1px solid var(--line);
  background: rgba(8, 13, 24, .9);
}

.mock-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex: 0 0 10px;
}

.mock-dot.red { background: #f87171; }
.mock-dot.amber { background: #fbbf24; }
.mock-dot.green { background: #34d399; }

.mock-url {
  flex: 1;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 26px;
  margin-left: 8px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(7, 12, 22, .8);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 10.5px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.mock-url svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

.mock-body {
  display: grid;
  grid-template-columns: 118px 1fr;
  min-height: 330px;
}

.mock-side {
  padding: 16px 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  border-right: 1px solid var(--line);
  background: rgba(7, 12, 22, .72);
}

.mock-side-item {
  display: flex;
  align-items: center;
  gap: 9px;
  height: 36px;
  padding: 0 10px;
  border-radius: 8px;
  border: 1px solid transparent;
  color: var(--muted);
  font-size: 12px;
}

.mock-side-item.active {
  border-color: rgba(34, 211, 238, .34);
  background: linear-gradient(90deg, rgba(34, 211, 238, .13), rgba(34, 211, 238, .02));
  color: var(--text);
  box-shadow: inset 3px 0 0 var(--cyan);
}

.mock-glyph {
  width: 15px;
  color: var(--dim);
  font-size: 12px;
  text-align: center;
}

.mock-main {
  position: relative;
  padding: 22px 18px 58px;
}

.mock-save {
  border: 1px solid var(--line);
  border-radius: 11px;
  background: linear-gradient(160deg, rgba(19, 32, 54, .92), rgba(11, 18, 32, .96));
  padding: 16px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, .26);
}

.mock-save-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 13px;
}

.mock-save-title {
  font-size: 14px;
  font-weight: 800;
}

.mock-hotkey {
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: rgba(7, 12, 22, .8);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 10px;
}

.mock-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 9px;
}

.mock-label {
  width: 38px;
  flex-shrink: 0;
  color: var(--dim);
  font-size: 11px;
}

.mock-value {
  flex: 1;
  min-width: 0;
  height: 30px;
  display: flex;
  align-items: center;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: rgba(7, 12, 22, .75);
  color: var(--muted);
  font-family: var(--mono);
  font-size: 10.5px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.mock-tags {
  display: flex;
  gap: 6px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.mock-tag {
  padding: 3px 9px;
  border: 1px solid rgba(139, 92, 246, .32);
  border-radius: 999px;
  background: rgba(139, 92, 246, .10);
  color: #c4b5fd;
  font-size: 10.5px;
}

.mock-tag-add {
  padding: 3px 9px;
  border: 1px dashed rgba(34, 211, 238, .4);
  border-radius: 999px;
  color: var(--cyan);
  font-size: 10.5px;
}

.mock-save-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 36px;
  margin-top: 14px;
  padding: 0 16px;
  border: 0;
  border-radius: 8px;
  background: linear-gradient(135deg, #0ea5b7, var(--cyan));
  color: #03141a;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(34, 211, 238, .22);
}

.mock-save-btn svg {
  width: 14px;
  height: 14px;
}

.mock-toast {
  position: absolute;
  left: 26px;
  right: 20px;
  bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 13px;
  border: 1px solid rgba(52, 211, 153, .34);
  border-radius: 8px;
  background: rgba(6, 24, 18, .92);
  color: var(--green);
  font-size: 11.5px;
  animation: toastIn 5s ease-in-out infinite;
}

.mock-toast svg {
  width: 14px;
  height: 14px;
}

@keyframes toastIn {
  0%, 8% { opacity: 0; transform: translateY(8px); }
  16%, 84% { opacity: 1; transform: translateY(0); }
  96%, 100% { opacity: 0; transform: translateY(8px); }
}

.float-card {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 158px;
  padding: 10px 13px;
  border: 1px solid var(--line-2);
  border-radius: 11px;
  background: rgba(14, 23, 40, .92);
  box-shadow: 0 18px 46px rgba(0, 0, 0, .42);
  backdrop-filter: blur(8px);
}

.float-card strong {
  display: block;
  font-size: 12.5px;
}

.float-card em {
  display: block;
  margin-top: 1px;
  color: var(--dim);
  font-size: 10.5px;
  font-style: normal;
}

.float-img {
  top: 6%;
  right: -4%;
  animation: floatY 6s ease-in-out infinite;
}

.float-text {
  bottom: 9%;
  left: -5%;
  animation: floatY 7s ease-in-out infinite reverse;
}

@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.float-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: rgba(34, 211, 238, .12);
  border: 1px solid rgba(34, 211, 238, .32);
  color: var(--cyan);
}

.float-icon.violet {
  background: rgba(139, 92, 246, .12);
  border-color: rgba(139, 92, 246, .34);
  color: #c4b5fd;
}

.float-icon svg {
  width: 16px;
  height: 16px;
}

.float-chip {
  position: absolute;
  z-index: 3;
  right: 12%;
  bottom: 3%;
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 7px 13px;
  border: 1px solid rgba(52, 211, 153, .34);
  border-radius: 999px;
  background: rgba(7, 25, 20, .9);
  color: var(--green);
  font-family: var(--mono);
  font-size: 10.5px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, .35);
}

.chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
}

.stats-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(7, 12, 22, .62);
}

.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat-item {
  padding: 20px 24px;
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
}

.stat-item:last-child {
  border-right: 0;
}

.stat-item strong {
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .4px;
}

.stat-item span {
  margin-top: 3px;
  color: var(--dim);
  font-size: 12.5px;
}

.section {
  padding: 84px 0;
}

.section-alt {
  background:
    linear-gradient(180deg, rgba(139, 92, 246, .05), transparent 30%),
    rgba(7, 12, 22, .48);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section-head {
  max-width: 640px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-head .eyebrow {
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: 30px;
  font-weight: 900;
  line-height: 1.3;
}

.section-head p {
  margin-top: 12px;
  color: var(--muted);
  font-size: 15px;
}

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

.feature-card {
  position: relative;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(19, 32, 54, .82), rgba(11, 18, 32, .92));
  overflow: hidden;
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.feature-card::after {
  content: "";
  position: absolute;
  inset: auto -30% -55% -30%;
  height: 60%;
  background: radial-gradient(closest-side, rgba(34, 211, 238, .12), transparent);
  opacity: 0;
  transition: opacity .2s ease;
  pointer-events: none;
}

.feature-card:hover {
  border-color: rgba(34, 211, 238, .42);
  transform: translateY(-3px);
  box-shadow: 0 18px 46px rgba(0, 0, 0, .34), 0 0 34px rgba(34, 211, 238, .06);
}

.feature-card:hover::after {
  opacity: 1;
}

.feature-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(34, 211, 238, .09);
  color: var(--cyan);
}

.feature-icon.amber {
  background: rgba(251, 191, 36, .09);
  border-color: rgba(251, 191, 36, .3);
  color: var(--amber);
}

.feature-icon.violet {
  background: rgba(139, 92, 246, .09);
  border-color: rgba(139, 92, 246, .3);
  color: #c4b5fd;
}

.feature-icon.green {
  background: rgba(52, 211, 153, .09);
  border-color: rgba(52, 211, 153, .3);
  color: var(--green);
}

.feature-icon.blue {
  background: rgba(96, 165, 250, .09);
  border-color: rgba(96, 165, 250, .3);
  color: var(--blue);
}

.feature-icon.red {
  background: rgba(248, 113, 113, .09);
  border-color: rgba(248, 113, 113, .3);
  color: var(--red);
}

.feature-icon svg {
  width: 20px;
  height: 20px;
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 800;
}

.feature-card p {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13.5px;
}

.download-tip {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  max-width: 820px;
  margin: 0 auto 28px;
  padding: 14px 18px;
  border: 1px solid rgba(34, 211, 238, .26);
  border-radius: var(--radius);
  background: rgba(34, 211, 238, .06);
  color: var(--muted);
  font-size: 13.5px;
}

.download-tip svg {
  width: 19px;
  height: 19px;
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--cyan);
}

.download-tip strong {
  color: var(--text);
}

.browser-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.browser-card {
  display: flex;
  flex-direction: column;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 18, 32, .82);
  transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.browser-card:hover {
  border-color: rgba(34, 211, 238, .4);
  transform: translateY(-3px);
  box-shadow: 0 16px 42px rgba(0, 0, 0, .34);
}

.browser-top {
  display: flex;
  align-items: center;
  gap: 12px;
}

.browser-logo {
  width: 50px;
  height: 50px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(7, 12, 22, .7);
}

.browser-logo svg {
  width: 38px;
  height: 38px;
  display: block;
}

.browser-name {
  min-width: 0;
}

.browser-name h3 {
  font-size: 15px;
  font-weight: 800;
  line-height: 1.3;
}

.engine-badge {
  display: inline-block;
  margin-top: 4px;
  padding: 2px 8px;
  border: 1px solid rgba(139, 92, 246, .32);
  border-radius: 999px;
  background: rgba(139, 92, 246, .09);
  color: #c4b5fd;
  font-size: 10.5px;
}

.browser-desc {
  flex: 1;
  margin: 12px 0 14px;
  color: var(--muted);
  font-size: 12.5px;
}

.browser-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.browser-ver {
  color: var(--dim);
  font-family: var(--mono);
  font-size: 11px;
}

.dl-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  height: 34px;
  padding: 0 13px;
  border-radius: 8px;
  background: linear-gradient(135deg, #0ea5b7, var(--cyan));
  color: #03141a;
  font-size: 12.5px;
  font-weight: 800;
  transition: box-shadow .16s ease, transform .14s ease;
}

.dl-btn svg {
  width: 14px;
  height: 14px;
}

.dl-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(34, 211, 238, .3);
}

.store-note {
  margin-top: 22px;
  text-align: center;
  color: var(--dim);
  font-size: 12.5px;
}

.guide-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.guide-card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(165deg, rgba(19, 32, 54, .8), rgba(11, 18, 32, .92));
}

.guide-title {
  display: grid;
  grid-template-columns: 48px 1fr;
  column-gap: 13px;
  align-items: center;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.guide-logo {
  grid-row: span 2;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(7, 12, 22, .7);
}

.guide-logo svg {
  width: 38px;
  height: 38px;
}

.guide-title h3 {
  font-size: 17px;
  font-weight: 800;
}

.guide-title p {
  color: var(--dim);
  font-size: 12px;
}

.steps {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  position: relative;
  margin-top: 12px;
  padding-left: 38px;
  color: var(--muted);
  font-size: 13.5px;
  counter-increment: step;
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: -2px;
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(34, 211, 238, .32);
  border-radius: 8px;
  background: rgba(34, 211, 238, .07);
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 11px;
}

.trust-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(700px 300px at 50% 0%, rgba(139, 92, 246, .08), transparent 60%),
    rgba(7, 12, 22, .55);
}

.trust-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding: 54px 0;
}

.trust-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.trust-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border: 1px solid rgba(52, 211, 153, .32);
  border-radius: 10px;
  background: rgba(52, 211, 153, .09);
  color: var(--green);
}

.trust-icon.cyan {
  border-color: rgba(34, 211, 238, .32);
  background: rgba(34, 211, 238, .09);
  color: var(--cyan);
}

.trust-icon.violet {
  border-color: rgba(139, 92, 246, .32);
  background: rgba(139, 92, 246, .09);
  color: #c4b5fd;
}

.trust-icon svg {
  width: 19px;
  height: 19px;
}

.trust-item h3 {
  font-size: 15.5px;
  font-weight: 800;
}

.trust-item p {
  margin-top: 5px;
  color: var(--muted);
  font-size: 13px;
}

.faq-shell {
  max-width: 860px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(11, 18, 32, .78);
  overflow: hidden;
  transition: border-color .18s ease;
}

.faq-item[open] {
  border-color: rgba(34, 211, 238, .38);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  font-size: 14.5px;
  font-weight: 700;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-2);
  border-radius: 8px;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 17px;
  transition: transform .2s ease, background .2s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
  background: rgba(34, 211, 238, .1);
}

.faq-body {
  padding: 0 18px 17px;
  color: var(--muted);
  font-size: 13.5px;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: rgba(4, 6, 12, .82);
}

.footer-inner {
  padding: 46px 0 26px;
}

.footer-brand {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 40px;
  align-items: start;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--line);
}

.footer-brand p {
  margin-top: 14px;
  max-width: 420px;
  color: var(--dim);
  font-size: 13px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding: 28px 0;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.footer-col h4 {
  margin-bottom: 4px;
  color: var(--text);
  font-size: 13.5px;
  font-weight: 800;
}

.footer-col a,
.footer-col span {
  color: var(--dim);
  font-size: 12.5px;
  transition: color .15s ease;
}

.footer-col a:hover {
  color: var(--cyan);
}

.footer-copy {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: 12px;
}

.footer-copy a {
  color: var(--cyan);
}

.toast-box {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  max-width: 320px;
  padding: 11px 15px;
  border: 1px solid rgba(52, 211, 153, .4);
  border-radius: 10px;
  background: rgba(7, 25, 20, .94);
  color: var(--green);
  font-size: 12.5px;
  box-shadow: 0 14px 36px rgba(0, 0, 0, .4);
  animation: toastIn 2.8s ease both;
}

.toast.out {
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .25s ease, transform .25s ease;
}

html.js [data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}

html.js [data-reveal].revealed {
  opacity: 1;
  transform: none;
}

@media (max-width: 1020px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 44px;
  }

  .hero-stage {
    min-height: 460px;
  }

  .browser-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
  }

  .stat-item:nth-child(2) {
    border-right: 0;
  }

  .stat-item:nth-child(-n+2) {
    border-bottom: 1px solid var(--line);
  }

  .trust-inner {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-template-columns: 1fr;
    gap: 18px;
  }
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 28px, 1240px);
  }

  .main-nav {
    display: none;
  }

  .header-inner {
    min-height: 64px;
  }

  .hero {
    padding: 48px 0 40px;
  }

  .hero h1 {
    font-size: 31px;
  }

  .hero-proof {
    flex-wrap: wrap;
  }

  .hero-proof > div {
    min-width: 45%;
    border-bottom: 1px solid var(--line);
  }

  .hero-proof > div:nth-child(2n) {
    border-right: 0;
  }

  .hero-proof > div:nth-last-child(-n+2) {
    border-bottom: 0;
  }

  .orbit-a {
    width: 330px;
    height: 330px;
  }

  .orbit-b {
    width: 250px;
    height: 250px;
  }

  .float-img {
    right: -2%;
  }

  .float-text {
    left: -2%;
  }

  .section {
    padding: 58px 0;
  }

  .section-head h2 {
    font-size: 24px;
  }

  .browser-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

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

@media (max-width: 480px) {
  .brand-sub {
    display: none;
  }

  .header-actions .btn {
    padding: 0 13px;
    font-size: 13px;
  }

  .hero-cta .btn {
    flex: 1;
    min-width: 150px;
  }

  .hero-stage {
    min-height: 400px;
  }

  .mock-body {
    grid-template-columns: 92px 1fr;
  }

  .mock-side-item {
    padding: 0 6px;
    font-size: 11px;
  }

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

  .stats-inner {
    grid-template-columns: 1fr;
  }

  .stat-item,
  .stat-item:nth-child(2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .stat-item:last-child {
    border-bottom: 0;
  }

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

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }

  html {
    scroll-behavior: auto;
  }

  html.js [data-reveal] {
    opacity: 1;
    transform: none;
  }
}