@charset "UTF-8";

:root {
  --ink: #071a34;
  --ink-soft: #42546b;
  --muted: #718096;
  --line: #dfe8f4;
  --paper: #f6f9fe;
  --white: #ffffff;
  --blue: #1769ff;
  --blue-dark: #0a4bd8;
  --blue-wash: #eaf2ff;
  --mint: #30d6a3;
  --mint-wash: #ddfaef;
  --orange: #ff8a4c;
  --orange-wash: #fff0e7;
  --yellow: #ffd85c;
  --shadow-sm: 0 12px 32px rgba(18, 51, 89, 0.08);
  --shadow-lg: 0 30px 80px rgba(14, 53, 101, 0.14);
  --radius-sm: 14px;
  --radius-md: 22px;
  --radius-lg: 34px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  font-size: 16px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  z-index: -2;
  inset: 0;
  background:
    radial-gradient(circle at 7% 8%, rgba(48, 214, 163, 0.11), transparent 24rem),
    radial-gradient(circle at 92% 12%, rgba(23, 105, 255, 0.12), transparent 30rem),
    linear-gradient(#f9fbff, #f4f8fe);
  content: "";
}

::selection {
  color: var(--white);
  background: var(--blue);
}

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

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input {
  font: inherit;
}

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

:focus-visible {
  outline: 3px solid rgba(23, 105, 255, 0.35);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 999;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 10px;
  color: var(--white);
  background: var(--ink);
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: none;
}

.container {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid rgba(222, 232, 244, 0.72);
  background: rgba(250, 252, 255, 0.84);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex: none;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  overflow: hidden;
  border-radius: 12px;
  color: var(--white);
  background: var(--ink);
  box-shadow: inset 0 -8px 18px rgba(23, 105, 255, 0.4);
}

.brand-mark svg {
  width: 24px;
  height: 24px;
}

.brand-domain {
  color: var(--blue);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  margin-left: auto;
}

.nav-links > a {
  position: relative;
  color: #3d4e65;
  font-size: 15px;
  font-weight: 650;
}

.nav-links > a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--blue);
  content: "";
  transform: scaleX(0);
  transition: transform 0.2s ease;
}

.nav-links > a:hover::after,
.nav-links > a[aria-current="page"]::after {
  transform: scaleX(1);
}

.nav-cta,
.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 0 21px;
  border: 0;
  border-radius: 15px;
  color: var(--white) !important;
  background: var(--blue);
  box-shadow: 0 12px 26px rgba(23, 105, 255, 0.22);
  cursor: pointer;
  font-size: 15px;
  font-weight: 760;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.nav-cta {
  min-height: 42px;
  padding-inline: 17px;
  border-radius: 13px;
}

.button:hover,
.nav-cta:hover {
  background: var(--blue-dark);
  box-shadow: 0 16px 32px rgba(23, 105, 255, 0.28);
  transform: translateY(-2px);
}

.button svg,
.nav-cta svg {
  width: 18px;
  height: 18px;
}

.button-secondary {
  color: var(--ink) !important;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
}

.button-secondary:hover {
  background: var(--white);
  box-shadow: 0 14px 35px rgba(18, 51, 89, 0.12);
}

.button-dark {
  background: var(--ink);
  box-shadow: 0 12px 26px rgba(7, 26, 52, 0.18);
}

.button-dark:hover {
  background: #102c50;
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 13px;
  color: var(--ink);
  background: var(--white);
}

.menu-button svg {
  width: 23px;
  height: 23px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 88px 0 70px;
}

.hero::after {
  position: absolute;
  z-index: -1;
  top: 68px;
  left: 50%;
  width: min(1120px, 92vw);
  height: 540px;
  border: 1px solid rgba(23, 105, 255, 0.07);
  border-radius: 50%;
  content: "";
  transform: translateX(-50%);
}

.hero-grid {
  display: grid;
  align-items: center;
  grid-template-columns: minmax(0, 1.05fr) minmax(390px, 0.8fr);
  gap: 70px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 19px;
  color: var(--blue-dark);
  font-size: 14px;
  font-weight: 780;
  letter-spacing: 0.06em;
}

.eyebrow::before {
  width: 8px;
  height: 8px;
  border: 4px solid rgba(23, 105, 255, 0.16);
  border-radius: 50%;
  background: var(--blue);
  content: "";
}

.hero h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(48px, 5.6vw, 78px);
  font-weight: 930;
  letter-spacing: -0.075em;
  line-height: 1.05;
}

.hero h1 .accent {
  position: relative;
  color: var(--blue);
  white-space: nowrap;
}

.hero h1 .accent::after {
  position: absolute;
  z-index: -1;
  right: -4px;
  bottom: 2px;
  left: -3px;
  height: 15px;
  border-radius: 50%;
  background: rgba(48, 214, 163, 0.32);
  content: "";
  transform: rotate(-1deg);
}

.hero-copy {
  max-width: 610px;
  margin: 25px 0 30px;
  color: var(--ink-soft);
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 13px;
}

.hero-actions .button {
  min-height: 54px;
  padding-inline: 25px;
}

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 31px;
  color: #607087;
  font-size: 14px;
  font-weight: 600;
}

.trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.trust-item svg {
  width: 18px;
  height: 18px;
  color: var(--mint);
}

.hero-visual {
  position: relative;
  min-height: 480px;
}

.signal-card {
  position: absolute;
  z-index: 2;
  top: 20px;
  right: 7px;
  width: min(100%, 414px);
  min-height: 430px;
  padding: 28px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 36px;
  color: var(--white);
  background:
    radial-gradient(circle at 92% 10%, rgba(48, 214, 163, 0.48), transparent 12rem),
    linear-gradient(145deg, #0e74ff 0%, #0d50d5 52%, #082d79 100%);
  box-shadow: 0 36px 75px rgba(16, 75, 177, 0.3);
  transform: rotate(2deg);
}

.signal-card::before {
  position: absolute;
  top: -110px;
  left: -80px;
  width: 300px;
  height: 300px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  box-shadow: 0 0 0 42px rgba(255, 255, 255, 0.045), 0 0 0 84px rgba(255, 255, 255, 0.025);
  content: "";
}

.signal-top {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sim-chip {
  display: grid;
  width: 57px;
  height: 45px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.18);
  box-shadow: inset 0 0 0 5px rgba(255, 255, 255, 0.07);
}

.sim-chip svg {
  width: 28px;
  height: 28px;
}

.network-tag {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 999px;
  background: rgba(3, 27, 69, 0.2);
  font-size: 12px;
  font-weight: 750;
}

.network-tag i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #5bf4c6;
  box-shadow: 0 0 0 5px rgba(91, 244, 198, 0.14);
}

.signal-main {
  position: relative;
  z-index: 2;
  margin-top: 47px;
}

.signal-kicker {
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 640;
}

.signal-title {
  margin-top: 3px;
  font-size: 34px;
  font-weight: 900;
  letter-spacing: -0.04em;
}

.signal-title span {
  color: #6bf2cc;
}

.usage-meter {
  margin-top: 28px;
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  background: rgba(4, 34, 88, 0.28);
  backdrop-filter: blur(10px);
}

.meter-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  margin-bottom: 11px;
}

.meter-label {
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.meter-value {
  font-size: 14px;
  font-weight: 760;
}

.meter-track {
  height: 8px;
  overflow: hidden;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.14);
}

.meter-track i {
  display: block;
  width: 72%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #64f2cd, #f7df77);
}

.signal-stats {
  display: grid;
  margin-top: 16px;
  grid-template-columns: repeat(3, 1fr);
  gap: 9px;
}

.signal-stat {
  padding: 13px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 15px;
  background: rgba(3, 31, 80, 0.2);
}

.signal-stat b,
.signal-stat small {
  display: block;
}

.signal-stat b {
  font-size: 14px;
}

.signal-stat small {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 10px;
}

.float-badge {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 13px 17px;
  border: 1px solid rgba(223, 232, 244, 0.9);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  font-weight: 760;
  backdrop-filter: blur(12px);
}

.float-badge svg {
  width: 21px;
  height: 21px;
  color: var(--blue);
}

.float-badge-one {
  top: 110px;
  left: -18px;
  transform: rotate(-4deg);
}

.float-badge-two {
  right: -25px;
  bottom: 30px;
  transform: rotate(3deg);
}

.float-badge-two svg {
  color: var(--mint);
}

.scenario-strip {
  position: relative;
  z-index: 4;
  display: grid;
  align-items: center;
  margin-top: 35px;
  padding: 20px 24px;
  border: 1px solid rgba(221, 231, 243, 0.9);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.84);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
  grid-template-columns: auto 1fr;
  gap: 24px;
}

.scenario-label {
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 760;
  white-space: nowrap;
}

.scenario-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 9px;
}

.scenario-pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #4a5c72;
  background: #f9fbfe;
  font-size: 13px;
  font-weight: 650;
}

.scenario-pill i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
}

.section {
  padding: 100px 0;
}

.section-tight {
  padding: 70px 0;
}

.section-white {
  border-block: 1px solid rgba(223, 232, 244, 0.75);
  background: rgba(255, 255, 255, 0.72);
}

.section-dark {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--ink);
}

.section-dark::before {
  position: absolute;
  top: -200px;
  right: -100px;
  width: 520px;
  height: 520px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(23, 105, 255, 0.5), transparent 68%);
  content: "";
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 30px;
  margin-bottom: 43px;
}

.section-head-centered {
  display: block;
  max-width: 720px;
  margin: 0 auto 46px;
  text-align: center;
}

.section-kicker {
  margin-bottom: 9px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 820;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-dark .section-kicker {
  color: #66edc5;
}

.section-title {
  max-width: 740px;
  margin: 0;
  font-size: clamp(33px, 4vw, 51px);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 1.15;
}

.section-desc {
  max-width: 620px;
  margin: 14px 0 0;
  color: var(--ink-soft);
  font-size: 17px;
}

.section-dark .section-desc {
  color: rgba(255, 255, 255, 0.66);
}

.text-link {
  display: inline-flex;
  flex: none;
  align-items: center;
  gap: 7px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 760;
}

.text-link svg {
  width: 17px;
  height: 17px;
  transition: transform 0.2s ease;
}

.text-link:hover svg {
  transform: translateX(3px);
}

.store-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.store-card {
  position: relative;
  display: flex;
  min-height: 365px;
  flex-direction: column;
  padding: 34px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.store-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-6px);
}

.store-card-blue {
  color: var(--white);
  border-color: transparent;
  background:
    radial-gradient(circle at 95% 5%, rgba(67, 238, 190, 0.44), transparent 17rem),
    linear-gradient(145deg, #1769ff, #0845c2);
}

.store-card::after {
  position: absolute;
  right: -45px;
  bottom: -65px;
  width: 220px;
  height: 220px;
  border: 1px solid rgba(23, 105, 255, 0.12);
  border-radius: 50%;
  box-shadow: 0 0 0 35px rgba(23, 105, 255, 0.04), 0 0 0 70px rgba(23, 105, 255, 0.025);
  content: "";
}

.store-card-blue::after {
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: 0 0 0 35px rgba(255, 255, 255, 0.04), 0 0 0 70px rgba(255, 255, 255, 0.025);
}

.store-top {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.store-icon {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 17px;
  color: var(--blue);
  background: var(--blue-wash);
}

.store-card-blue .store-icon {
  color: var(--white);
  background: rgba(255, 255, 255, 0.16);
}

.store-icon svg {
  width: 29px;
  height: 29px;
}

.store-badge {
  padding: 6px 11px;
  border-radius: 999px;
  color: #197c61;
  background: var(--mint-wash);
  font-size: 12px;
  font-weight: 750;
}

.store-card-blue .store-badge {
  color: #c8ffed;
  background: rgba(0, 44, 91, 0.25);
}

.store-card h3 {
  position: relative;
  z-index: 2;
  margin: 30px 0 10px;
  font-size: 30px;
  font-weight: 880;
  letter-spacing: -0.04em;
}

.store-card p {
  position: relative;
  z-index: 2;
  max-width: 440px;
  margin: 0;
  color: var(--ink-soft);
}

.store-card-blue p {
  color: rgba(255, 255, 255, 0.76);
}

.store-points {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 23px 0 27px;
}

.store-point {
  padding: 6px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: #5a6d84;
  background: #fafcff;
  font-size: 12px;
  font-weight: 650;
}

.store-card-blue .store-point {
  color: rgba(255, 255, 255, 0.8);
  border-color: rgba(255, 255, 255, 0.16);
  background: rgba(0, 33, 90, 0.16);
}

.store-card .button {
  position: relative;
  z-index: 2;
  align-self: flex-start;
  margin-top: auto;
}

.store-card-blue .button {
  color: var(--blue) !important;
  background: var(--white);
  box-shadow: 0 14px 30px rgba(3, 36, 107, 0.24);
}

.store-disclaimer {
  margin: 17px 4px 0;
  color: var(--muted);
  font-size: 12px;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.step-card {
  position: relative;
  padding: 29px 25px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.88);
}

.step-number {
  display: grid;
  width: 38px;
  height: 38px;
  margin-bottom: 22px;
  place-items: center;
  border-radius: 12px;
  color: var(--blue);
  background: var(--blue-wash);
  font-size: 13px;
  font-weight: 850;
}

.step-card h3 {
  margin: 0 0 9px;
  font-size: 18px;
}

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

.calculator-shell {
  position: relative;
  z-index: 2;
  display: grid;
  padding: 54px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.055);
  grid-template-columns: 0.85fr 1.15fr;
  gap: 70px;
  backdrop-filter: blur(16px);
}

.calculator-intro h2 {
  margin: 0;
  font-size: clamp(32px, 4vw, 48px);
  letter-spacing: -0.05em;
  line-height: 1.15;
}

.calculator-intro p {
  margin: 17px 0 0;
  color: rgba(255, 255, 255, 0.66);
}

.calculator-form {
  display: grid;
  gap: 20px;
}

.range-field label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 9px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  font-weight: 650;
}

.range-value {
  min-width: 58px;
  color: #6bf2cc;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 820;
}

input[type="range"] {
  width: 100%;
  height: 7px;
  border-radius: 8px;
  outline: none;
  appearance: none;
  background: rgba(255, 255, 255, 0.14);
}

input[type="range"]::-webkit-slider-thumb {
  width: 20px;
  height: 20px;
  border: 4px solid var(--ink);
  border-radius: 50%;
  appearance: none;
  background: #64f2cd;
  box-shadow: 0 0 0 2px #64f2cd;
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: 4px solid var(--ink);
  border-radius: 50%;
  background: #64f2cd;
  box-shadow: 0 0 0 2px #64f2cd;
  cursor: pointer;
}

.calculator-result {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 25px;
  margin-top: 8px;
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 19px;
  background: rgba(255, 255, 255, 0.07);
}

.calculator-result small,
.calculator-result strong {
  display: block;
}

.calculator-result small {
  color: rgba(255, 255, 255, 0.55);
}

.calculator-result strong {
  margin-top: 3px;
  font-size: 26px;
  letter-spacing: -0.03em;
}

.calculator-result .button {
  flex: none;
  color: var(--ink) !important;
  background: #64f2cd;
  box-shadow: none;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 19px;
}

.guide-card {
  display: flex;
  min-height: 315px;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: 0 8px 25px rgba(18, 51, 89, 0.05);
  transition: transform 0.23s ease, border-color 0.23s ease, box-shadow 0.23s ease;
}

.guide-card:hover {
  border-color: #bad0f3;
  box-shadow: var(--shadow-sm);
  transform: translateY(-5px);
}

.guide-card-featured {
  grid-column: span 2;
  color: var(--white);
  border-color: transparent;
  background:
    radial-gradient(circle at 95% 5%, rgba(255, 216, 92, 0.3), transparent 15rem),
    linear-gradient(145deg, #0d2a50, #071a34);
}

.guide-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 15px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 680;
}

.guide-card-featured .guide-meta {
  color: rgba(255, 255, 255, 0.6);
}

.guide-category {
  padding: 5px 9px;
  border-radius: 8px;
  color: var(--blue-dark);
  background: var(--blue-wash);
}

.guide-card-featured .guide-category {
  color: #9ff5db;
  background: rgba(48, 214, 163, 0.13);
}

.guide-card h3 {
  margin: 27px 0 12px;
  font-size: 23px;
  letter-spacing: -0.035em;
  line-height: 1.35;
}

.guide-card-featured h3 {
  max-width: 540px;
  font-size: 30px;
}

.guide-card p {
  margin: 0 0 28px;
  color: var(--ink-soft);
  font-size: 14px;
}

.guide-card-featured p {
  max-width: 600px;
  color: rgba(255, 255, 255, 0.66);
}

.guide-card .text-link {
  margin-top: auto;
}

.guide-card-featured .text-link {
  color: #66edc5;
}

.news-list {
  display: grid;
  gap: 12px;
}

.news-item {
  display: grid;
  align-items: center;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-radius: 19px;
  background: rgba(255, 255, 255, 0.86);
  grid-template-columns: 130px 1fr auto;
  gap: 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.news-item:hover {
  border-color: #bfd3f2;
  transform: translateX(3px);
}

.news-date {
  color: var(--muted);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.news-content h3 {
  margin: 0 0 4px;
  font-size: 17px;
  line-height: 1.5;
}

.news-content p {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--ink-soft);
  font-size: 13px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}

.news-source {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 740;
  white-space: nowrap;
}

.news-source svg {
  width: 17px;
  height: 17px;
}

.auto-note {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 17px;
  color: var(--muted);
  font-size: 12px;
}

.auto-note i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mint);
  box-shadow: 0 0 0 4px rgba(48, 214, 163, 0.14);
}

.faq-list {
  max-width: 850px;
  margin-inline: auto;
}

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

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

.faq-item summary {
  display: flex;
  min-height: 76px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  list-style: none;
  cursor: pointer;
  font-size: 17px;
  font-weight: 760;
}

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

.faq-item summary::after {
  width: 28px;
  height: 28px;
  flex: none;
  border-radius: 50%;
  color: var(--blue);
  background: var(--blue-wash);
  content: "+";
  font-size: 20px;
  font-weight: 500;
  line-height: 26px;
  text-align: center;
}

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

.faq-answer {
  max-width: 760px;
  padding: 0 50px 24px 0;
  color: var(--ink-soft);
}

.cta-panel {
  position: relative;
  display: flex;
  min-height: 280px;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  padding: 50px 56px;
  overflow: hidden;
  border-radius: var(--radius-lg);
  color: var(--white);
  background:
    radial-gradient(circle at 90% 0%, rgba(83, 240, 195, 0.46), transparent 20rem),
    linear-gradient(135deg, #1769ff, #0644bc);
  box-shadow: 0 30px 70px rgba(23, 105, 255, 0.24);
}

.cta-panel::after {
  position: absolute;
  right: 18%;
  bottom: -180px;
  width: 330px;
  height: 330px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  box-shadow: 0 0 0 50px rgba(255, 255, 255, 0.04), 0 0 0 100px rgba(255, 255, 255, 0.025);
  content: "";
}

.cta-copy {
  position: relative;
  z-index: 2;
}

.cta-copy h2 {
  max-width: 620px;
  margin: 0;
  font-size: clamp(31px, 4vw, 48px);
  letter-spacing: -0.05em;
  line-height: 1.17;
}

.cta-copy p {
  margin: 13px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.cta-panel .button {
  position: relative;
  z-index: 2;
  flex: none;
  color: var(--blue) !important;
  background: var(--white);
}

.site-footer {
  padding: 64px 0 30px;
  color: rgba(255, 255, 255, 0.66);
  background: #06162c;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 0.65fr);
  gap: 55px;
}

.footer-brand .brand {
  color: var(--white);
}

.footer-brand p {
  max-width: 370px;
  margin: 18px 0 0;
  font-size: 13px;
}

.footer-col h3 {
  margin: 5px 0 17px;
  color: var(--white);
  font-size: 14px;
}

.footer-col a {
  display: block;
  margin: 10px 0;
  font-size: 13px;
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px;
}

.footer-bottom p {
  margin: 0;
}

.page-hero {
  padding: 80px 0 54px;
  text-align: center;
}

.page-hero .eyebrow {
  justify-content: center;
}

.page-hero h1 {
  max-width: 850px;
  margin: 0 auto;
  font-size: clamp(40px, 6vw, 66px);
  font-weight: 920;
  letter-spacing: -0.065em;
  line-height: 1.1;
}

.page-hero p {
  max-width: 680px;
  margin: 20px auto 0;
  color: var(--ink-soft);
  font-size: 17px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0;
  color: var(--muted);
  font-size: 13px;
}

.breadcrumb a:hover {
  color: var(--blue);
}

.article-layout {
  display: grid;
  align-items: start;
  padding-bottom: 100px;
  grid-template-columns: minmax(0, 1fr) 290px;
  gap: 52px;
}

.article-main {
  min-width: 0;
  padding: 46px 58px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-bottom: 30px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

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

.article-meta svg {
  width: 16px;
  height: 16px;
}

.article-lead {
  margin: 0 0 38px;
  padding: 20px 22px;
  border-left: 4px solid var(--blue);
  border-radius: 0 14px 14px 0;
  color: #334a66;
  background: var(--blue-wash);
  font-size: 17px;
}

.article-section {
  margin-top: 42px;
}

.article-section h2 {
  margin: 0 0 16px;
  font-size: 27px;
  letter-spacing: -0.035em;
  line-height: 1.35;
}

.article-section p {
  margin: 13px 0;
  color: #3d5068;
}

.article-section ul {
  margin: 17px 0;
  padding: 18px 22px 18px 43px;
  border-radius: 15px;
  color: #3d5068;
  background: #f7faff;
}

.article-section li + li {
  margin-top: 6px;
}

.article-faq {
  margin-top: 50px;
  padding-top: 34px;
  border-top: 1px solid var(--line);
}

.article-faq h2 {
  margin: 0 0 18px;
  font-size: 27px;
}

.article-faq .faq-item summary {
  font-size: 15px;
}

.article-note {
  margin-top: 38px;
  padding: 18px 20px;
  border: 1px solid #fde0cf;
  border-radius: 14px;
  color: #7c503a;
  background: var(--orange-wash);
  font-size: 13px;
}

.article-aside {
  position: sticky;
  top: 104px;
}

.aside-card {
  margin-bottom: 17px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.aside-card h3 {
  margin: 0 0 13px;
  font-size: 17px;
}

.aside-card p {
  margin: 0 0 18px;
  color: var(--ink-soft);
  font-size: 13px;
}

.aside-card .button {
  width: 100%;
}

.aside-links a {
  display: block;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.5;
}

.aside-links a:last-child {
  border: 0;
}

.aside-links a:hover {
  color: var(--blue);
}

.content-card {
  max-width: 850px;
  margin: 0 auto 100px;
  padding: 50px 58px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow-sm);
}

.content-card h2 {
  margin: 40px 0 12px;
  font-size: 25px;
}

.content-card h2:first-child {
  margin-top: 0;
}

.content-card p,
.content-card li {
  color: #3d5068;
}

.content-card a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.news-page-list {
  display: grid;
  max-width: 900px;
  margin: 0 auto 100px;
  gap: 16px;
}

.news-page-card {
  padding: 29px 31px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--white);
  box-shadow: 0 8px 28px rgba(18, 51, 89, 0.05);
}

.news-page-card .guide-meta {
  justify-content: flex-start;
}

.news-page-card h2 {
  margin: 16px 0 9px;
  font-size: 22px;
  line-height: 1.4;
}

.news-page-card p {
  margin: 0 0 19px;
  color: var(--ink-soft);
}

.empty-state {
  padding: 50px;
  border: 1px dashed #b9cbe2;
  border-radius: var(--radius-md);
  color: var(--muted);
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (max-width: 1020px) {
  .nav-links {
    gap: 20px;
  }

  .hero-grid {
    grid-template-columns: 1fr 0.75fr;
    gap: 35px;
  }

  .hero-visual {
    min-height: 420px;
  }

  .signal-card {
    min-height: 390px;
    padding: 24px;
  }

  .float-badge-one {
    left: -4px;
  }

  .float-badge-two {
    right: -5px;
  }

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

  .calculator-shell {
    gap: 40px;
  }

  .guide-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid {
    grid-template-columns: 1.2fr repeat(3, 0.7fr);
    gap: 28px;
  }

  .article-layout {
    grid-template-columns: minmax(0, 1fr) 250px;
    gap: 28px;
  }
}

@media (max-width: 820px) {
  .container {
    width: min(calc(100% - 30px), var(--max));
  }

  .nav-wrap {
    min-height: 68px;
  }

  .menu-button {
    position: relative;
    z-index: 101;
    display: grid !important;
    flex: none;
    margin-left: auto;
  }

  .nav-links {
    position: absolute;
    top: 68px;
    right: 15px;
    left: 15px;
    display: none;
    padding: 17px;
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
  }

  .nav-links.is-open {
    display: grid;
  }

  .nav-links > a:not(.nav-cta) {
    padding: 9px 4px;
  }

  .nav-links > a:not(.nav-cta)::after {
    display: none;
  }

  .hero {
    padding-top: 58px;
  }

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

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

  .hero-visual {
    width: min(100%, 500px);
    min-height: 470px;
    margin: 10px auto 0;
  }

  .signal-card {
    left: 50%;
    width: min(90%, 414px);
    transform: translateX(-50%) rotate(2deg);
  }

  .float-badge-one {
    left: 0;
  }

  .scenario-strip {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .scenario-list {
    justify-content: flex-start;
  }

  .section {
    padding: 78px 0;
  }

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

  .calculator-shell {
    padding: 39px;
    grid-template-columns: 1fr;
  }

  .news-item {
    align-items: start;
    grid-template-columns: 100px 1fr;
  }

  .news-source {
    grid-column: 2;
  }

  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

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

  .article-aside {
    position: static;
  }
}

@media (max-width: 600px) {
  .container {
    width: min(calc(100% - 24px), var(--max));
  }

  .brand {
    font-size: 18px;
  }

  .hero {
    padding: 45px 0 55px;
  }

  .hero h1 {
    font-size: 46px;
  }

  .hero-copy {
    margin-block: 20px 25px;
    font-size: 16px;
  }

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

  .hero-actions .button {
    width: 100%;
  }

  .trust-row {
    gap: 10px 16px;
  }

  .hero-visual {
    min-height: 430px;
  }

  .signal-card {
    width: calc(100% - 18px);
    min-height: 385px;
    padding: 22px;
    transform: translateX(-50%);
  }

  .signal-title {
    font-size: 29px;
  }

  .float-badge {
    padding: 11px 13px;
    font-size: 11px;
  }

  .float-badge-one {
    top: 100px;
  }

  .float-badge-two {
    right: 0;
    bottom: 18px;
  }

  .scenario-strip {
    margin-top: 12px;
    padding: 18px;
  }

  .section {
    padding: 65px 0;
  }

  .section-head {
    display: block;
    margin-bottom: 32px;
  }

  .section-head .text-link {
    margin-top: 17px;
  }

  .section-title {
    font-size: 35px;
  }

  .section-desc {
    font-size: 15px;
  }

  .store-card {
    min-height: 390px;
    padding: 27px 24px;
  }

  .store-card h3 {
    font-size: 26px;
  }

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

  .guide-card-featured {
    grid-column: auto;
  }

  .calculator-shell {
    padding: 31px 22px;
  }

  .calculator-result {
    align-items: stretch;
    flex-direction: column;
  }

  .calculator-result .button {
    width: 100%;
  }

  .news-item {
    padding: 20px;
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .news-source {
    margin-top: 7px;
    grid-column: auto;
  }

  .cta-panel {
    display: block;
    padding: 40px 27px;
  }

  .cta-panel .button {
    width: 100%;
    margin-top: 27px;
  }

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

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .page-hero {
    padding: 56px 0 38px;
  }

  .page-hero h1 {
    font-size: 41px;
  }

  .article-main,
  .content-card {
    padding: 30px 21px;
    border-radius: 23px;
  }

  .article-section h2 {
    font-size: 23px;
  }

  .news-page-card {
    padding: 24px 21px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}