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

:root {
  --bg: #060912;
  --card: #121a2e;
  --card-border: rgba(96, 130, 210, 0.22);
  --text: #ffffff;
  --muted: #94a0bc;
  --blue: #2f7bff;
  --blue-bright: #4ea8ff;
  --purple: #9b6dff;
  --teal: #22c3b0;
  --max: 430px;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Noto Sans SC", system-ui, -apple-system, sans-serif;
  background: #000;
  color: var(--text);
  line-height: 1.45;
  min-height: 100vh;
}

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

button {
  font: inherit;
  border: none;
  cursor: pointer;
  background: none;
  color: inherit;
}

.page {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 120% 55% at 70% -8%, rgba(55, 120, 255, 0.45), transparent 55%),
    radial-gradient(ellipse 80% 40% at 100% 22%, rgba(130, 80, 255, 0.18), transparent 50%),
    linear-gradient(180deg, #0c1630 0%, #070d1a 28%, #060912 60%, #04060e 100%);
  padding: 6px 16px 36px;
  overflow-x: hidden;
}

/* ===== Header — 紧贴顶部 ===== */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 0 6px;
  padding: 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  object-fit: cover;
  display: block;
  box-shadow: 0 4px 14px rgba(47, 123, 255, 0.4);
}

.brand-name {
  font-size: 16px;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1.15;
}

.brand-sub {
  font-size: 10px;
  color: var(--muted);
  margin-top: 1px;
  line-height: 1.2;
}

.badge-18 {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(167, 139, 250, 0.65);
  color: #d4c4ff;
  font-size: 11px;
  font-weight: 700;
  background: rgba(139, 92, 246, 0.12);
}

/* ===== Hero — 标签紧贴 header ===== */
.hero {
  margin: 0 0 14px;
}

.pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(100, 170, 255, 0.5);
  background: rgba(25, 60, 140, 0.35);
  color: #9ec8ff;
  font-size: 11px;
  font-weight: 500;
  margin: 0 0 10px;
  box-shadow: 0 0 16px rgba(78, 160, 255, 0.15);
}

.pill-tag::before {
  content: "";
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #5aafff;
  box-shadow: 0 0 6px #5aafff;
}

.hero-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin: 0 0 4px;
}

.hero-subtitle {
  font-size: 15px;
  font-weight: 650;
  color: #e8eefc;
  margin: 0 0 8px;
}

.hero-desc {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 12px;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0 0 14px;
}

.hero-tags span {
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid rgba(100, 130, 190, 0.3);
  background: rgba(12, 20, 40, 0.7);
  font-size: 11px;
  color: #c8d2e8;
}

.hero-tags span.on {
  background: linear-gradient(135deg, #3d8fff, #1f5fff);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(47, 123, 255, 0.35);
}

.cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, #4ea8ff 0%, #2f7bff 50%, #1a5fff 100%);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  box-shadow:
    0 8px 24px rgba(47, 123, 255, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}

.cta-btn:active {
  transform: scale(0.985);
}

.cta-icon {
  width: 20px;
  height: 20px;
}

.device-note {
  text-align: center;
  font-size: 10px;
  color: #6e7a96;
  margin-top: 8px;
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 0 0 18px;
}

.stat-card {
  background: rgba(16, 24, 44, 0.9);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 14px 10px;
  text-align: center;
}

.stat-card.purple-edge {
  border-color: rgba(155, 109, 255, 0.32);
}

.stat-num {
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 4px;
}

.stat-num.blue {
  font-size: 20px;
  color: #5ab0ff;
}

.stat-num.purple {
  font-size: 14px;
  color: #c4a6ff;
}

.stat-label {
  font-size: 10px;
  color: var(--muted);
  line-height: 1.35;
}

/* Picks */
.picks {
  margin: 0 0 22px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.section-head h2 {
  font-size: 17px;
  font-weight: 750;
}

.more-link {
  font-size: 12px;
  color: #7ea8ff;
}

.pick-tabs {
  display: flex;
  gap: 7px;
  margin-bottom: 8px;
}

.pick-tab {
  flex: 1;
  height: 34px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 650;
  color: #fff;
}

.pick-tab.blue {
  background: linear-gradient(135deg, #3d8bff, #1f5fff);
  box-shadow: 0 4px 12px rgba(47, 123, 255, 0.35);
}

.pick-tab.purple {
  background: linear-gradient(135deg, #9b6dff, #7c3aed);
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.pick-tab.teal {
  background: linear-gradient(135deg, #2dd4bf, #0d9488);
  box-shadow: 0 4px 12px rgba(13, 148, 136, 0.28);
}

.picks-note {
  font-size: 10px;
  color: #65708c;
  line-height: 1.45;
}

/* Zones */
.zones {
  margin: 0 0 26px;
}

.section-title {
  font-size: 19px;
  font-weight: 800;
  text-align: center;
  margin-bottom: 6px;
}

.section-desc {
  font-size: 12px;
  color: var(--muted);
  text-align: center;
  margin-bottom: 14px;
  line-height: 1.5;
}

.zone-card {
  background: rgba(16, 24, 44, 0.92);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 14px 14px 12px;
  margin-bottom: 10px;
}

.zone-tag {
  display: inline-flex;
  align-items: center;
  height: 22px;
  padding: 0 9px;
  border-radius: 7px;
  font-size: 10px;
  font-weight: 700;
  margin-bottom: 8px;
}

.zone-tag.blue {
  background: rgba(47, 123, 255, 0.22);
  color: #8ec0ff;
  border: 1px solid rgba(78, 160, 255, 0.35);
}

.zone-tag.purple {
  background: rgba(139, 92, 246, 0.22);
  color: #d0bfff;
  border: 1px solid rgba(167, 139, 250, 0.35);
}

.zone-card h3 {
  font-size: 16px;
  font-weight: 750;
  margin-bottom: 4px;
}

.zone-body {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 10px;
}

.zone-check {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  font-size: 12px;
  color: #d5def0;
  margin-bottom: 12px;
  line-height: 1.4;
}

.check {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  margin-top: 1px;
  position: relative;
}

.check::after {
  content: "";
  position: absolute;
  left: 4.5px;
  top: 2.5px;
  width: 4px;
  height: 8px;
  border: solid #fff;
  border-width: 0 1.8px 1.8px 0;
  transform: rotate(45deg);
}

.check.blue {
  background: linear-gradient(135deg, #4ea0ff, #1a5fff);
}

.check.purple {
  background: linear-gradient(135deg, #a78bfa, #7c3aed);
}

.zone-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.zone-tags span {
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(120, 140, 190, 0.2);
  font-size: 10px;
  color: #a8b4cc;
}

/* Filter */
.filter {
  margin: 0 0 26px;
  position: relative;
}

.filter::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 42%;
  width: 260px;
  height: 260px;
  transform: translate(-50%, -30%);
  background: radial-gradient(circle, rgba(124, 58, 237, 0.2), transparent 65%);
  pointer-events: none;
  z-index: 0;
}

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

.filter-icons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 16px;
}

.filter-icon-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.filter-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
}

.filter-circle svg {
  width: 22px;
  height: 22px;
}

.filter-circle.blue {
  background: rgba(47, 123, 255, 0.15);
  border-color: rgba(78, 160, 255, 0.35);
  color: #7eb6ff;
}

.filter-circle.purple {
  background: rgba(139, 92, 246, 0.15);
  border-color: rgba(167, 139, 250, 0.35);
  color: #c4b5fd;
}

.filter-circle.teal {
  background: rgba(34, 195, 176, 0.12);
  border-color: rgba(45, 212, 191, 0.35);
  color: #5eead4;
}

.filter-icon-item span {
  font-size: 10px;
  color: #a8b4cc;
  line-height: 1.3;
}

.phone-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 10px;
}

.phone {
  width: 236px;
  border-radius: 28px;
  padding: 8px;
  background: linear-gradient(160deg, #1a2238, #0d1324);
  border: 2px solid rgba(120, 140, 190, 0.32);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.45);
}

.phone-notch {
  width: 78px;
  height: 6px;
  border-radius: 999px;
  background: #0a0e18;
  margin: 3px auto 8px;
}

.phone-screen {
  background: linear-gradient(180deg, #10182c, #0a1020);
  border-radius: 20px;
  padding: 12px 10px 14px;
  border: 1px solid rgba(90, 120, 200, 0.15);
}

.mock-title {
  text-align: center;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
}

.mock-group {
  margin-bottom: 8px;
}

.mock-label {
  font-size: 10px;
  color: #8b98b5;
  margin-bottom: 5px;
}

.mock-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.mock-chips span {
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 10px;
  color: #b0bcd4;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(110, 130, 180, 0.22);
}

.mock-chips span.on {
  color: #fff;
  background: rgba(124, 58, 237, 0.38);
  border-color: rgba(167, 139, 250, 0.55);
}

.mock-btn {
  width: 100%;
  height: 36px;
  margin-top: 6px;
  border-radius: 10px;
  background: linear-gradient(135deg, #a78bfa, #7c3aed);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(124, 58, 237, 0.4);
}

.filter-foot {
  text-align: center;
  font-size: 11px;
  color: #7d8aa8;
}

/* Install */
.install {
  margin: 0 0 22px;
}

.steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.step {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(16, 24, 44, 0.92);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 12px;
}

.step-num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 800;
  background: linear-gradient(135deg, #3d8bff, #1a5fff);
  color: #fff;
  box-shadow: 0 4px 12px rgba(47, 123, 255, 0.4);
}

.step-body h4 {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 2px;
}

.step-body p {
  font-size: 11px;
  color: var(--muted);
  line-height: 1.4;
}

/* Privacy */
.privacy {
  padding-bottom: 4px;
}

.privacy-card {
  background: rgba(16, 24, 44, 0.92);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 16px 14px;
  margin-bottom: 14px;
}

.privacy-card h3 {
  font-size: 15px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
}

.privacy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 10px;
}

.privacy-grid div {
  display: flex;
  align-items: flex-start;
  gap: 5px;
  font-size: 11px;
  color: #c5d0e8;
  line-height: 1.35;
}

.privacy-grid .dot {
  flex-shrink: 0;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  margin-top: 4px;
  background: #4ea0ff;
  box-shadow: 0 0 6px rgba(78, 160, 255, 0.6);
}

.privacy-note {
  text-align: center;
  font-size: 10px;
  color: #65708c;
}

.footer-copy {
  text-align: center;
  font-size: 10px;
  color: #525e78;
  margin-top: 12px;
}

@media (min-width: 480px) {
  .page {
    box-shadow: 0 0 0 1px rgba(90, 120, 200, 0.12), 0 24px 60px rgba(0, 0, 0, 0.55);
  }
}

html[dir="rtl"] .header,
html[dir="rtl"] .section-head,
html[dir="rtl"] .rv-head,
html[dir="rtl"] .rv-meta {
  direction: rtl;
}

html[dir="rtl"] .zone-check,
html[dir="rtl"] .privacy-grid div {
  flex-direction: row;
}