:root {
  --ink: #101820;
  --muted: #637180;
  --blue: #0054a6;
  --blue-2: #2476ea;
  --orange: #f15a22;
  --aqua: #17c8c4;
  --cream: #f7f4ed;
  --paper: #ffffff;
  --line: #dbe4ec;
  --success: #008f6b;
  --yellow: #ffd34e;
  --shadow: 0 24px 70px rgba(0, 41, 82, 0.13);
  --radius: 26px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 84% 6%, rgba(23, 200, 196, 0.13), transparent 24rem),
    linear-gradient(180deg, #fafdff 0, #f6f9fb 30rem, var(--cream) 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(219, 228, 236, 0.92);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
}

.header-inner {
  width: min(1180px, calc(100% - 40px));
  min-height: 74px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  text-decoration: none;
}

.brand img {
  display: block;
  width: min(249px, 44vw);
  height: auto;
}

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

.header-nav a {
  min-height: 42px;
  padding: 8px 14px;
  border-radius: 999px;
  color: #334454;
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}

.header-nav a:hover,
.header-nav a[aria-current="page"] {
  color: #fff;
  background: var(--blue);
}

.hero {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 70px 0 44px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.92fr);
  align-items: center;
  gap: clamp(36px, 7vw, 92px);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--orange);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero h1,
.faq-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.hero h1 span,
.faq-hero h1 span {
  color: var(--blue);
}

.hero-lead,
.faq-lead {
  max-width: 690px;
  margin: 24px 0 0;
  color: #435262;
  font-size: clamp(17px, 2vw, 21px);
}

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

.button {
  min-height: 50px;
  padding: 12px 20px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--yellow);
  box-shadow: 0 5px 0 var(--ink);
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(2px);
  box-shadow: 0 3px 0 var(--ink);
}

.button.secondary {
  border-color: var(--blue);
  background: var(--paper);
  box-shadow: none;
  color: var(--blue);
}

.plan-stage {
  position: relative;
  min-height: 540px;
  display: grid;
  place-items: center;
}

.plan-stage::before,
.plan-stage::after {
  position: absolute;
  content: "";
  border-radius: 50%;
  filter: blur(1px);
}

.plan-stage::before {
  width: 360px;
  height: 360px;
  background: rgba(23, 200, 196, 0.2);
  transform: translate(52px, 32px);
}

.plan-stage::after {
  width: 170px;
  height: 170px;
  border: 28px solid rgba(241, 90, 34, 0.13);
  transform: translate(-184px, -164px);
}

.plan-card {
  position: relative;
  z-index: 1;
  width: min(410px, 100%);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 30px;
  background:
    linear-gradient(145deg, rgba(255,255,255,0.18), transparent 36%),
    linear-gradient(145deg, #1671ee 0%, #397df4 58%, #2dd7d3 100%);
  box-shadow: var(--shadow);
  color: #fff;
  transform: rotate(1.1deg);
}

.plan-top {
  padding: 28px 28px 18px;
}

.plan-name {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 20px;
}

.plan-data {
  font-size: 50px;
  font-weight: 950;
  line-height: 1;
  letter-spacing: -0.05em;
}

.plan-price {
  text-align: right;
  font-weight: 800;
}

.plan-price strong {
  display: block;
  font-size: 25px;
  line-height: 1.1;
}

.plan-pill {
  width: fit-content;
  margin-top: 18px;
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--orange);
  font-weight: 850;
}

.plan-body {
  margin: 0 16px 16px;
  padding: 22px;
  border-radius: 22px;
  background: #fff;
  color: #314150;
}

.plan-body ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.plan-body li {
  position: relative;
  margin: 11px 0;
  padding-left: 32px;
  font-weight: 700;
}

.plan-body li::before {
  position: absolute;
  left: 2px;
  top: 0;
  content: "✓";
  color: #00aa83;
  font-size: 20px;
  font-weight: 950;
}

.plan-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid #e6edf3;
  color: #617181;
  font-size: 13px;
}

.trust-strip {
  border-block: 1px solid var(--line);
  background: #fff;
}

.trust-grid {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.trust-item {
  min-height: 128px;
  padding: 28px 34px;
  border-left: 1px solid var(--line);
}

.trust-item:last-child {
  border-right: 1px solid var(--line);
}

.trust-item strong {
  display: block;
  color: var(--blue);
  font-size: 28px;
  line-height: 1.15;
}

.trust-item span {
  color: var(--muted);
  font-size: 14px;
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 86px 0;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 34px;
}

.section-heading h2 {
  margin: 0;
  font-size: clamp(34px, 5vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.section-heading p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}

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

.phase {
  position: relative;
  min-height: 310px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.phase.highlight {
  border-color: transparent;
  background: var(--blue);
  color: #fff;
}

.phase-number {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  border-radius: 14px;
  background: var(--yellow);
  color: var(--ink);
  font-size: 18px;
  font-weight: 950;
}

.phase h3 {
  margin: 26px 0 10px;
  font-size: 25px;
  line-height: 1.2;
}

.phase p {
  margin: 0;
  color: var(--muted);
}

.phase.highlight p {
  color: rgba(255, 255, 255, 0.78);
}

.phase-tag {
  position: absolute;
  right: 18px;
  bottom: 16px;
  color: rgba(0, 84, 166, 0.1);
  font-size: 80px;
  font-weight: 950;
  line-height: 1;
}

.phase.highlight .phase-tag {
  color: rgba(255, 255, 255, 0.1);
}

.activation-value {
  padding: clamp(30px, 5vw, 60px);
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: clamp(30px, 6vw, 70px);
  border-radius: 34px;
  background:
    radial-gradient(circle at 0 0, rgba(23, 200, 196, 0.2), transparent 25rem),
    #0c2236;
  box-shadow: var(--shadow);
  color: #fff;
}

.activation-value-copy h2 {
  margin: 0;
  font-size: clamp(34px, 4.5vw, 54px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.activation-value-copy > p:last-child {
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.7);
}

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

.compare-card {
  min-height: 330px;
  padding: 26px;
  border-radius: 24px;
}

.compare-card.muted {
  border: 1px solid rgba(255, 255, 255, 0.16);
  background: rgba(255, 255, 255, 0.07);
}

.compare-card.ready {
  background: var(--yellow);
  color: var(--ink);
}

.compare-card > span {
  display: inline-flex;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  font-size: 12px;
  font-weight: 900;
}

.compare-card.ready > span {
  background: var(--ink);
  color: #fff;
}

.compare-card h3 {
  margin: 24px 0 20px;
  font-size: 23px;
  line-height: 1.2;
}

.compare-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.compare-card li {
  position: relative;
  margin: 12px 0;
  padding-left: 24px;
  color: rgba(255, 255, 255, 0.66);
  font-size: 14px;
}

.compare-card.ready li {
  color: #34404b;
}

.compare-card li::before {
  position: absolute;
  left: 0;
  content: "—";
}

.compare-card.ready li::before {
  content: "✓";
  color: var(--success);
  font-weight: 950;
}

.keepalive-panel {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  overflow: hidden;
  border-radius: 34px;
  background: #0c2236;
  box-shadow: var(--shadow);
  color: #fff;
}

.keepalive-number {
  padding: 54px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    radial-gradient(circle at 16% 20%, rgba(23, 200, 196, 0.35), transparent 15rem),
    var(--blue);
}

.keepalive-number strong {
  display: block;
  font-size: clamp(78px, 11vw, 150px);
  line-height: 0.86;
  letter-spacing: -0.08em;
}

.keepalive-number small {
  margin-left: 10px;
  font-size: 20px;
  font-weight: 850;
  letter-spacing: 0;
}

.keepalive-number p {
  max-width: 360px;
  margin: 30px 0 0;
  color: rgba(255, 255, 255, 0.76);
}

.keepalive-steps {
  padding: 48px;
}

.keepalive-steps h3 {
  margin: 0 0 26px;
  font-size: 27px;
}

.keepalive-step {
  display: grid;
  grid-template-columns: 40px 1fr auto;
  align-items: start;
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.keepalive-step:first-of-type {
  border-top: 0;
}

.step-dot {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--aqua);
  color: #06272d;
  font-weight: 950;
}

.keepalive-step strong {
  display: block;
  font-size: 17px;
}

.keepalive-step span {
  display: block;
  margin-top: 4px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 14px;
}

.keepalive-cost {
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--yellow);
  color: var(--ink) !important;
  font-size: 13px !important;
  font-weight: 950;
  white-space: nowrap;
}

.callout {
  margin-top: 22px;
  padding: 18px 20px;
  border: 1px solid rgba(255, 211, 78, 0.5);
  border-radius: 18px;
  background: rgba(255, 211, 78, 0.1);
  color: #fff4ca;
  font-size: 14px;
}

.wifi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.wifi-card {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.wifi-card h3 {
  margin: 8px 0 10px;
  font-size: 24px;
}

.wifi-card p {
  margin: 0;
  color: var(--muted);
}

.feature-scene {
  position: relative;
  height: 154px;
  margin: -14px -14px 24px;
  overflow: hidden;
  border-radius: 20px;
  isolation: isolate;
}

.feature-scene::before,
.feature-scene::after {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  content: "";
}

.feature-scene::before {
  width: 150px;
  height: 150px;
  top: -62px;
  right: -28px;
  background: rgba(255, 255, 255, 0.24);
}

.feature-scene::after {
  width: 90px;
  height: 90px;
  left: -22px;
  bottom: -46px;
  border: 16px solid rgba(255, 255, 255, 0.17);
}

.scene-activate {
  background: linear-gradient(135deg, #0054a6, #2b84ee 62%, #19c7c3);
}

.scene-phone {
  position: absolute;
  left: 50%;
  top: 18px;
  width: 72px;
  height: 118px;
  border: 5px solid #fff;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.14);
  transform: translateX(-50%) rotate(4deg);
}

.scene-phone::before {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 24px;
  height: 4px;
  border-radius: 8px;
  background: #fff;
  content: "";
  transform: translateX(-50%);
}

.scene-uk,
.scene-signal,
.scene-check {
  position: absolute;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 950;
}

.scene-uk {
  left: 27px;
  top: 28px;
  width: 58px;
  height: 58px;
  border: 2px solid rgba(255, 255, 255, 0.78);
  border-radius: 50%;
  background: #e9473f;
}

.scene-signal {
  right: 32px;
  top: 32px;
  font-size: 25px;
  letter-spacing: -0.22em;
  transform: rotate(-28deg);
}

.scene-check {
  right: 34px;
  bottom: 22px;
  width: 42px;
  height: 42px;
  border: 4px solid #fff;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--ink);
  font-size: 22px;
}

.scene-wechat {
  background: linear-gradient(135deg, #e9ffef, #8ce6aa);
}

.wechat-bubble {
  position: absolute;
  display: grid;
  place-items: center;
  box-shadow: 0 15px 28px rgba(18, 115, 64, 0.18);
  font-weight: 950;
}

.bubble-one {
  left: 54px;
  top: 28px;
  width: 86px;
  height: 68px;
  border-radius: 36px 36px 36px 12px;
  background: #08bd67;
  color: #fff;
  font-size: 28px;
}

.bubble-two {
  right: 52px;
  bottom: 25px;
  width: 78px;
  height: 60px;
  border-radius: 30px 30px 10px 30px;
  background: #fff;
  color: var(--blue);
  font-size: 18px;
}

.bind-line {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 126px;
  height: 3px;
  border-top: 3px dashed rgba(0, 84, 166, 0.34);
  transform: translate(-50%, -50%) rotate(15deg);
}

.bind-dot {
  position: absolute;
  right: 25px;
  top: 22px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--yellow);
  color: var(--ink);
  font-weight: 950;
}

.scene-pay {
  background: linear-gradient(135deg, #fff4cb, #ffc64b);
}

.pay-card {
  position: absolute;
  left: 34px;
  top: 36px;
  width: 150px;
  height: 84px;
  padding: 18px;
  border: 3px solid var(--ink);
  border-radius: 16px;
  background: #fff;
  box-shadow: 10px 10px 0 rgba(16, 24, 32, 0.14);
  font-size: 18px;
  font-weight: 950;
}

.pay-coin {
  position: absolute;
  right: 50px;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border: 3px solid var(--ink);
  border-radius: 50%;
  background: #f15a22;
  color: #fff;
  font-size: 25px;
  font-weight: 950;
}

.coin-one {
  top: 20px;
}

.coin-two {
  top: 72px;
  right: 24px;
  background: var(--blue);
}

.pay-arrow {
  position: absolute;
  left: 145px;
  bottom: 10px;
  font-size: 40px;
  font-weight: 950;
  transform: rotate(-8deg);
}

.scene-keep {
  background: linear-gradient(135deg, #151b2d, #403cc8 58%, #8057ef);
  color: #fff;
}

.keep-ring {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 112px;
  height: 112px;
  border: 9px solid rgba(255, 255, 255, 0.18);
  border-top-color: var(--yellow);
  border-right-color: var(--aqua);
  border-radius: 50%;
  transform: translate(-50%, -50%) rotate(28deg);
}

.keep-day {
  position: absolute;
  left: 50%;
  top: 50%;
  font-size: 40px;
  font-weight: 950;
  line-height: 1;
  transform: translate(-50%, -50%);
}

.keep-day small {
  margin-left: 3px;
  font-size: 13px;
}

.keep-sms {
  position: absolute;
  left: 24px;
  bottom: 22px;
  padding: 7px 11px;
  border-radius: 10px 10px 10px 3px;
  background: var(--aqua);
  color: #06272d;
  font-size: 12px;
  font-weight: 950;
}

.keep-arrow {
  position: absolute;
  right: 28px;
  top: 20px;
  color: var(--yellow);
  font-size: 36px;
  font-weight: 950;
}

.rate-panel {
  display: grid;
  grid-template-columns: 0.62fr 1.38fr;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: #fff;
  box-shadow: var(--shadow);
}

.rate-hero {
  min-height: 440px;
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background:
    radial-gradient(circle at 80% 15%, rgba(23, 200, 196, 0.45), transparent 14rem),
    var(--blue);
  color: #fff;
}

.rate-label {
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--yellow);
  color: var(--ink);
  font-size: 12px;
  font-weight: 950;
}

.rate-hero > strong {
  display: block;
  margin-top: 24px;
  font-size: clamp(48px, 7vw, 84px);
  line-height: 0.95;
  letter-spacing: -0.065em;
}

.rate-hero > p {
  margin: 12px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.rate-route {
  margin-top: 34px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.rate-route span {
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.09);
  font-size: 13px;
  font-weight: 850;
}

.rate-route b {
  color: var(--yellow);
  font-size: 22px;
}

.rate-table-wrap {
  min-width: 0;
  padding: 28px 34px;
}

.rate-table {
  width: 100%;
  border-collapse: collapse;
}

.rate-table th,
.rate-table td {
  padding: 15px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.rate-table th {
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.05em;
}

.rate-table td {
  font-size: 14px;
}

.rate-table td:last-child {
  color: var(--blue);
  white-space: nowrap;
}

.rate-note {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 13px;
}

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

.port-step {
  position: relative;
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #fff;
}

.port-number {
  position: absolute;
  z-index: 2;
  top: 14px;
  left: 14px;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--ink);
  color: #fff;
  font-size: 12px;
  font-weight: 950;
}

.port-visual {
  height: 150px;
  margin-bottom: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 18px;
  background: #edf7ff;
  color: var(--blue);
}

.pac-code {
  flex-direction: column;
  font-size: 27px;
  font-weight: 950;
  letter-spacing: 0.12em;
}

.pac-code strong {
  font-size: 34px;
  letter-spacing: 0.05em;
}

.save-code {
  flex-direction: column;
  background: #fff1d8;
  color: var(--ink);
}

.save-code span {
  font-size: 38px;
  font-weight: 950;
}

.save-code b {
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--orange);
  color: #fff;
  font-size: 11px;
}

.swap-number {
  gap: 10px;
  background: #e7faef;
  color: #087747;
}

.swap-number span {
  padding: 8px 9px;
  border-radius: 10px;
  background: #fff;
  font-size: 12px;
  font-weight: 900;
}

.swap-number b {
  font-size: 25px;
}

.port-success {
  flex-direction: column;
  background: linear-gradient(135deg, #362fc5, #7b55e9);
  color: #fff;
  font-size: 58px;
  font-weight: 950;
}

.port-success span {
  margin-top: -4px;
  font-size: 12px;
  letter-spacing: 0.16em;
}

.port-step h3 {
  margin: 0 0 10px;
  font-size: 19px;
  line-height: 1.25;
}

.port-step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.port-step p strong {
  color: var(--ink);
}

.porting-warning {
  margin-top: 18px;
  padding: 18px 20px;
  border: 1px solid #f1c768;
  border-radius: 18px;
  background: #fff9e8;
  color: #685326;
  font-size: 14px;
}

.wifi-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: #eaf5ff;
  color: var(--blue);
  font-size: 25px;
}

.reference-panel {
  display: grid;
  grid-template-columns: 404px 1fr;
  align-items: center;
  gap: 42px;
  padding: 36px;
  border: 1px solid var(--line);
  border-radius: 32px;
  background: #fff;
}

.reference-panel.source-only {
  grid-template-columns: 1fr;
}

.reference-panel img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 18px;
}

.reference-copy h3 {
  margin: 0;
  font-size: 30px;
}

.reference-copy p {
  color: var(--muted);
}

.source-list {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.source-list a {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.source-list a:hover {
  border-color: var(--blue);
  background: #f2f8ff;
}

.contact-panel {
  display: grid;
  grid-template-columns: 1fr 180px;
  align-items: center;
  gap: 34px;
  padding: 36px;
  border-radius: 30px;
  background: var(--yellow);
}

.contact-panel h2 {
  margin: 0 0 10px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.contact-panel p {
  margin: 0;
}

.contact-id {
  margin-top: 16px !important;
  font-weight: 850;
}

.qr-crop {
  width: 180px;
  height: 180px;
  overflow: hidden;
  border: 10px solid #fff;
  border-radius: 18px;
  background: #fff;
}

.qr-crop img {
  width: 146.5%;
  max-width: none;
  height: auto;
  display: block;
  transform: translate(-16.1%, -28.3%);
}

.footer {
  padding: 30px 20px 46px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}
.footer p {
  margin: 6px 0;
}

.footer a {
  color: var(--blue);
  font-weight: 800;
}


/* FAQ */
.faq-hero {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 76px 0 46px;
}

.faq-hero h1 {
  max-width: 930px;
}

.quick-answer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.answer-card {
  min-height: 170px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #fff;
}

.answer-card strong {
  display: block;
  color: var(--blue);
  font-size: 28px;
  line-height: 1.1;
}

.answer-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.faq-layout {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 64px 0 90px;
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  align-items: start;
  gap: 48px;
}

.faq-side {
  position: sticky;
  top: 100px;
}

.faq-side p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
  letter-spacing: 0.08em;
}

.faq-side nav {
  display: grid;
  gap: 6px;
}

.faq-side a {
  padding: 10px 12px;
  border-radius: 12px;
  color: #445261;
  font-size: 14px;
  font-weight: 750;
  text-decoration: none;
}

.faq-side a:hover {
  background: #e9f4ff;
  color: var(--blue);
}

.faq-group {
  scroll-margin-top: 100px;
}

.faq-group + .faq-group {
  margin-top: 48px;
}

.faq-group h2 {
  margin: 0 0 18px;
  font-size: 30px;
  letter-spacing: -0.035em;
}

.faq-item {
  border-top: 1px solid var(--line);
}

.faq-item:last-child {
  border-bottom: 1px solid var(--line);
}

.faq-item summary {
  position: relative;
  padding: 22px 54px 22px 0;
  cursor: pointer;
  list-style: none;
  font-size: 18px;
  font-weight: 850;
}

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

.faq-item summary::after {
  position: absolute;
  right: 4px;
  top: 20px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #eaf4fd;
  color: var(--blue);
  content: "+";
  font-size: 22px;
  line-height: 1;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  max-width: 760px;
  padding: 0 54px 26px 0;
  color: #526171;
}

.faq-answer p {
  margin: 0 0 12px;
}

.faq-answer ol,
.faq-answer ul {
  margin: 8px 0 16px;
  padding-left: 22px;
}

.faq-answer strong {
  color: var(--ink);
}

.mini-warning {
  margin: 16px 0 0 !important;
  padding: 14px 16px;
  border-left: 4px solid var(--orange);
  border-radius: 0 12px 12px 0;
  background: #fff4ee;
  color: #75412d;
}

.fee-table {
  width: 100%;
  margin: 18px 0;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
}

.fee-table th,
.fee-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

.fee-table th {
  background: #eef6fd;
  color: var(--blue);
}

.fee-table tr:last-child td {
  border-bottom: 0;
}

.sticky-help {
  position: fixed;
  z-index: 15;
  right: 22px;
  bottom: 22px;
  padding: 12px 16px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--yellow);
  box-shadow: 0 4px 0 var(--ink);
  font-size: 14px;
  font-weight: 900;
  text-decoration: none;
}

@media (max-width: 920px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 720px;
  }

  .plan-stage {
    min-height: auto;
    padding: 20px 0;
  }

  .trust-grid,
  .timeline,
  .quick-answer {
    grid-template-columns: 1fr;
  }

  .trust-item,
  .trust-item:last-child {
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
  }

  .keepalive-panel,
  .reference-panel,
  .activation-value,
  .rate-panel {
    grid-template-columns: 1fr;
  }

  .rate-hero {
    min-height: 320px;
  }

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

  .compare-card {
    min-height: auto;
  }

  .reference-panel img {
    width: min(404px, 100%);
  }

  .faq-layout {
    grid-template-columns: 1fr;
  }

  .faq-side {
    position: static;
    padding: 18px;
    border-radius: 18px;
    background: #fff;
  }

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

@media (max-width: 680px) {
  .header-inner {
    width: min(100% - 24px, 1180px);
    min-height: 66px;
  }

  .brand img {
    width: 168px;
  }

  .header-nav a:not(.mobile-keep) {
    display: none;
  }

  .header-nav a {
    padding: 7px 11px;
    font-size: 13px;
  }

  .hero,
  .faq-hero,
  .section,
  .trust-grid,
  .quick-answer,
  .faq-layout {
    width: min(100% - 28px, 1180px);
  }

  .hero {
    padding: 48px 0 30px;
    gap: 26px;
    overflow: hidden;
  }

  .hero h1,
  .faq-hero h1 {
    font-size: clamp(40px, 14vw, 60px);
  }

  .hero-actions {
    display: grid;
  }

  .plan-card {
    transform: none;
  }

  .plan-data {
    font-size: 44px;
  }

  .plan-price strong {
    font-size: 21px;
  }

  .section {
    padding: 62px 0;
  }

  .keepalive-number,
  .keepalive-steps {
    padding: 30px 24px;
  }

  .keepalive-step {
    grid-template-columns: 34px 1fr;
  }

  .keepalive-cost {
    grid-column: 2;
    width: fit-content;
  }

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

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

  .porting-flow {
    grid-template-columns: 1fr;
  }

  .rate-hero {
    min-height: 280px;
    padding: 30px 24px;
  }

  .rate-table-wrap {
    padding: 18px;
    overflow-x: auto;
  }

  .rate-table {
    min-width: 610px;
  }

  .reference-panel {
    gap: 24px;
    padding: 20px;
  }

  .contact-panel {
    grid-template-columns: 1fr;
    padding: 26px;
  }

  .qr-crop {
    width: 150px;
    height: 150px;
  }

  .faq-hero {
    padding: 50px 0 34px;
  }

  .faq-layout {
    gap: 30px;
    padding-top: 44px;
  }

  .faq-side nav {
    grid-template-columns: 1fr;
  }

  .faq-item summary {
    padding-right: 46px;
    font-size: 17px;
  }

  .faq-answer {
    padding-right: 0;
  }

  .fee-table {
    font-size: 14px;
  }

  .fee-table th,
  .fee-table td {
    padding: 11px 10px;
  }

  .sticky-help {
    right: 14px;
    bottom: 14px;
  }
}

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

  * {
    transition-duration: 0.001ms !important;
  }
}
