:root {
  --ink: #17211f;
  --muted: #65736f;
  --line: #dbe5e2;
  --paper: #f7f9f8;
  --surface: #ffffff;
  --teal: #0f766e;
  --teal-dark: #0b4f4b;
  --blue: #2563eb;
  --blue-soft: #dbeafe;
  --mint: #dff7ef;
  --coral: #f9735b;
  --coral-soft: #ffe4df;
  --amber: #f5b642;
  --amber-soft: #fff3cf;
  --slate: #23303a;
  --shadow: 0 18px 48px rgba(21, 38, 35, .12);
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

h1,
h2,
h3,
p {
  margin: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(219, 229, 226, .9);
  background: rgba(247, 249, 248, .88);
  backdrop-filter: blur(16px);
}

.nav {
  width: min(1180px, calc(100% - 40px));
  min-height: 68px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--teal), var(--blue));
  box-shadow: 0 10px 24px rgba(15, 118, 110, .22);
}

.brand-mark svg {
  width: 22px;
  height: 22px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  white-space: nowrap;
}

.nav-links a {
  padding: 8px 0;
}

.btn {
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 800;
  line-height: 1;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}

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

.btn svg {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.btn-primary {
  color: #fff;
  background: var(--teal);
  box-shadow: 0 12px 28px rgba(15, 118, 110, .24);
}

.btn-primary:hover {
  background: var(--teal-dark);
}

.btn-secondary {
  color: var(--teal-dark);
  border-color: rgba(15, 118, 110, .24);
  background: rgba(255, 255, 255, .88);
}

.btn-secondary:hover {
  border-color: rgba(15, 118, 110, .44);
  background: #fff;
}

main {
  overflow: hidden;
}

.hero {
  position: relative;
  min-height: 78svh;
  padding: 64px 24px 62px;
  display: grid;
  align-items: center;
  color: #fff;
  background-image:
    linear-gradient(90deg, rgba(9, 35, 35, .9) 0%, rgba(9, 35, 35, .74) 45%, rgba(9, 35, 35, .2) 100%),
    url("assets/ai-broadband-office-hero.png");
  background-size: cover;
  background-position: center;
}

.hero-route {
  background-image:
    linear-gradient(90deg, rgba(8, 31, 45, .92) 0%, rgba(8, 31, 45, .76) 48%, rgba(8, 31, 45, .3) 100%),
    url("assets/ai-broadband-office-hero.png");
}

.hero-inner {
  width: 100%;
  max-width: 1180px;
  min-width: 0;
  margin: 0 auto;
}

.eyebrow {
  width: fit-content;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 12px;
  border: 1px solid rgba(255, 255, 255, .28);
  border-radius: 999px;
  background: rgba(255, 255, 255, .1);
  backdrop-filter: blur(10px);
  font-size: 13px;
  font-weight: 800;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--amber);
  box-shadow: 0 0 0 4px rgba(245, 182, 66, .18);
}

h1 {
  max-width: min(860px, 100%);
  margin-top: 16px;
  font-size: clamp(40px, 4rem, 64px);
  line-height: 1.05;
  letter-spacing: 0;
  font-weight: 900;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

h1 span {
  display: block;
}

.hero-copy {
  width: 100%;
  max-width: 920px;
  margin-top: 18px;
  color: rgba(255, 255, 255, .88);
  font-size: 18px;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.hero-copy p + p,
.hero-copy p + ol,
.hero-copy ol + p {
  margin-top: 8px;
}

.hero-copy ol {
  margin: 10px 0 0;
  padding-left: 1.35em;
}

.hero-copy li + li {
  margin-top: 4px;
}

.hero-actions {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-note {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: rgba(255, 255, 255, .86);
  font-size: 13px;
  font-weight: 700;
}

.hero-note span {
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  padding: 7px 10px;
  background: rgba(255, 255, 255, .08);
}

section {
  padding: 86px 24px;
}

.band-white {
  background: #fff;
}

.band-soft {
  background: linear-gradient(180deg, #f7f9f8 0%, #edf7f4 100%);
}

.container {
  width: 100%;
  max-width: 1180px;
  min-width: 0;
  margin: 0 auto;
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, .72fr) minmax(260px, .28fr);
  align-items: end;
  gap: 28px;
  margin-bottom: 34px;
}

.section-kicker {
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

h2 {
  margin-top: 8px;
  font-size: clamp(28px, 2.75rem, 44px);
  line-height: 1.14;
  letter-spacing: 0;
  font-weight: 900;
  overflow-wrap: anywhere;
  text-wrap: balance;
}

.page-title {
  margin-top: 8px;
  color: var(--ink);
  font-size: clamp(30px, 3.125rem, 50px);
  line-height: 1.1;
}

h3 {
  margin-top: 18px;
  font-size: 20px;
  line-height: 1.25;
  letter-spacing: 0;
}

.section-copy {
  color: var(--muted);
  font-size: 16px;
  overflow-wrap: anywhere;
}

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

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

.info-card,
.download-card,
.step-card,
.notice-card,
.audience-card,
.delivery-card,
.cost-card,
.compare-card,
.detail-card,
.price-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: 0 12px 34px rgba(21, 38, 35, .06);
}

.info-card {
  padding: 24px;
  min-height: 252px;
}

.icon-box {
  width: 42px;
  height: 42px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: var(--teal-dark);
  background: var(--mint);
}

.icon-box.blue {
  color: #1d4ed8;
  background: var(--blue-soft);
}

.icon-box.coral {
  color: #b33a28;
  background: var(--coral-soft);
}

.icon-box.amber {
  color: #8f5b00;
  background: var(--amber-soft);
}

.icon-box svg {
  width: 22px;
  height: 22px;
}

.info-card p,
.step-card p,
.notice-card p,
.audience-card p,
.delivery-card p,
.cost-card p,
.compare-card p,
.detail-card p,
.price-card p {
  margin-top: 10px;
  color: var(--muted);
}

.audience-card,
.delivery-card,
.detail-card,
.compare-card {
  padding: 24px;
}

.pool-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.pool-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(21, 38, 35, .05);
}

.pool-card span {
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
}

.pool-card h3 {
  margin-top: 8px;
  font-size: 19px;
}

.pool-card p {
  margin-top: 10px;
  color: var(--muted);
}

.package-board {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.package-column {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  background: #fbfefd;
  box-shadow: 0 12px 34px rgba(21, 38, 35, .05);
}

.package-column h3 {
  margin-top: 6px;
}

.check-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.check-list li {
  display: flex;
  gap: 10px;
  color: var(--muted);
}

.check-list li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 999px;
  background: var(--teal);
  flex: 0 0 auto;
}

.audience-card span {
  color: var(--coral);
  font-size: 13px;
  font-weight: 900;
}

.audience-card h3,
.delivery-card h3,
.detail-card h3,
.compare-card h3,
.cost-card h3 {
  margin-top: 6px;
}

.price-layout {
  display: grid;
  grid-template-columns: minmax(280px, .35fr) minmax(0, .65fr);
  gap: 18px;
  align-items: stretch;
}

.price-card {
  padding: 28px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 22px;
  color: #fff;
  background: linear-gradient(145deg, var(--teal-dark), #173a5c);
}

.price-label {
  color: rgba(255, 255, 255, .78);
  font-size: 14px;
  font-weight: 900;
}

.price-value {
  font-size: clamp(48px, 4.5rem, 72px);
  line-height: 1;
  font-weight: 900;
}

.price-value span {
  margin-left: 6px;
  color: rgba(255, 255, 255, .74);
  font-size: 18px;
}

.price-card p {
  color: rgba(255, 255, 255, .82);
}

.cost-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.cost-card {
  padding: 22px;
}

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

.compare-card ul {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.compare-card li {
  display: flex;
  gap: 10px;
  color: var(--muted);
}

.compare-card li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 999px;
  background: var(--coral);
  flex: 0 0 auto;
}

.compare-card.strong li::before {
  background: var(--teal);
}

.compare-card.weak {
  border-color: rgba(249, 115, 91, .35);
  background: #fff7f4;
}

.compare-card.strong {
  border-color: rgba(15, 118, 110, .28);
  background: #f1fbf7;
}

.comparison-gallery {
  display: grid;
  gap: 20px;
}

.comparison-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 14px 38px rgba(21, 38, 35, .08);
}

.comparison-figure img {
  width: 100%;
  height: auto;
}

.comparison-figure picture {
  display: block;
}

.comparison-figure figcaption {
  padding: 12px 16px 14px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, .92);
  font-size: 14px;
  font-weight: 800;
}

.recharge-section {
  position: relative;
}

.recharge-hero {
  border: 1px solid rgba(15, 118, 110, .22);
  border-radius: 8px;
  padding: 26px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(11, 79, 75, .96), rgba(23, 58, 92, .94)),
    #123a42;
  box-shadow: 0 16px 42px rgba(21, 38, 35, .16);
}

.recharge-label {
  width: fit-content;
  border: 1px solid rgba(255, 255, 255, .18);
  border-radius: 999px;
  padding: 6px 10px;
  color: rgba(255, 255, 255, .86);
  background: rgba(255, 255, 255, .08);
  font-size: 12px;
  font-weight: 900;
}

.recharge-hero h3 {
  margin-top: 12px;
  font-size: clamp(24px, 2.125rem, 34px);
  line-height: 1.15;
}

.recharge-hero p {
  max-width: 720px;
  margin-top: 10px;
  color: rgba(255, 255, 255, .82);
}

.recharge-products {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.recharge-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  display: flex;
  min-height: 318px;
  flex-direction: column;
  background: #fff;
  box-shadow: 0 12px 34px rgba(21, 38, 35, .06);
}

.recharge-card.featured {
  border-color: rgba(15, 118, 110, .3);
  background: #f2fbf7;
}

.recharge-card-head {
  display: grid;
  gap: 8px;
}

.recharge-card-head span {
  width: fit-content;
  border-radius: 999px;
  padding: 5px 9px;
  color: var(--teal-dark);
  background: var(--mint);
  font-size: 12px;
  font-weight: 900;
}

.recharge-card-head strong {
  color: var(--ink);
  font-size: 20px;
  line-height: 1.2;
}

.recharge-price {
  margin-top: 18px;
  color: var(--teal-dark);
  font-size: 46px;
  line-height: 1;
  font-weight: 900;
}

.recharge-price span {
  margin-left: 4px;
  color: var(--muted);
  font-size: 15px;
}

.recharge-card p {
  margin-top: 14px;
  color: var(--muted);
  font-size: 14px;
}

.mini-list {
  margin: auto 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.mini-list li {
  display: flex;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.mini-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 8px;
  border-radius: 999px;
  background: var(--teal);
  flex: 0 0 auto;
}

.tier-table {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.tier-table div {
  min-height: 42px;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.tier-table div:first-child {
  border-top: 0;
}

.tier-table span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.tier-table strong {
  color: var(--teal-dark);
  font-size: 18px;
}

.order-panel {
  margin-top: 18px;
  display: grid;
  grid-template-columns: minmax(0, .42fr) minmax(320px, .58fr);
  gap: 18px;
  align-items: stretch;
}

.order-copy,
.order-form {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(21, 38, 35, .06);
}

.order-copy h3 {
  margin-top: 8px;
  font-size: 26px;
}

.order-copy p {
  margin-top: 10px;
  color: var(--muted);
}

.order-notice {
  margin-top: 18px;
  border: 1px solid rgba(245, 182, 66, .4);
  border-radius: 8px;
  padding: 14px;
  background: #fff9e8;
}

.order-notice strong {
  color: #8a5a00;
  font-size: 13px;
  font-weight: 900;
}

.order-notice p {
  margin-top: 5px;
  color: #635334;
  font-size: 14px;
}

.order-form {
  display: grid;
  gap: 14px;
}

.order-form label {
  display: grid;
  gap: 7px;
}

.order-form label span {
  color: var(--slate);
  font-size: 13px;
  font-weight: 900;
}

.order-form input,
.order-form select,
.order-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 13px;
  color: var(--ink);
  background: #fbfefd;
  font: inherit;
}

.order-form textarea {
  resize: vertical;
}

.order-form input:focus,
.order-form select:focus,
.order-form textarea:focus {
  outline: 2px solid rgba(15, 118, 110, .18);
  border-color: rgba(15, 118, 110, .45);
}

.form-row {
  display: grid;
  grid-template-columns: minmax(110px, .34fr) minmax(0, .66fr);
  gap: 12px;
}

.order-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.order-summary div {
  border: 1px solid rgba(15, 118, 110, .18);
  border-radius: 8px;
  padding: 12px;
  background: #f1fbf7;
}

.order-summary span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.order-summary strong {
  display: block;
  margin-top: 4px;
  color: var(--teal-dark);
  font-size: 18px;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.form-actions .btn {
  border-radius: 8px;
  cursor: pointer;
}

.form-actions button:disabled {
  cursor: wait;
  opacity: .72;
}

.form-status {
  min-height: 22px;
  color: var(--muted);
  font-size: 14px;
}

.form-status.success {
  color: var(--teal-dark);
  font-weight: 800;
}

.form-status.error {
  color: #b33a28;
  font-weight: 800;
}

.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.route-compare-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 16px;
  align-items: stretch;
}

.route-compare-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(21, 38, 35, .06);
}

.route-compare-card.weak {
  border-color: rgba(249, 115, 91, .34);
  background: #fff8f5;
}

.route-compare-card.strong {
  border-color: rgba(15, 118, 110, .3);
  background: #f3fbf8;
}

.route-compare-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.route-compare-head span {
  border-radius: 999px;
  padding: 5px 9px;
  color: #9a3412;
  background: #fff0e8;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.route-compare-card.strong .route-compare-head span {
  color: var(--teal-dark);
  background: var(--mint);
}

.route-compare-head strong {
  color: var(--ink);
  font-size: 20px;
  line-height: 1.2;
  text-align: right;
}

.metric-stack {
  margin-top: 20px;
  display: grid;
  gap: 12px;
}

.metric-row {
  display: grid;
  grid-template-columns: 92px minmax(74px, auto) minmax(110px, 1fr);
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 13px;
}

.metric-row strong {
  color: var(--ink);
  font-size: 14px;
}

.metric-track,
.risk-gauge {
  height: 10px;
  border-radius: 999px;
  overflow: hidden;
  background: #e9efed;
}

.metric-track i,
.risk-gauge span {
  height: 100%;
  border-radius: inherit;
  display: block;
  background: linear-gradient(90deg, var(--amber), var(--coral));
}

.route-compare-card.strong .metric-track i,
.ip-risk-card.clean .risk-gauge span {
  background: linear-gradient(90deg, var(--teal), #22c55e);
}

.compare-points {
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  list-style: none;
}

.compare-points li {
  display: flex;
  gap: 10px;
  color: var(--muted);
}

.compare-points li::before {
  content: "";
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 999px;
  background: var(--coral);
  flex: 0 0 auto;
}

.route-compare-card.strong .compare-points li::before {
  background: var(--teal);
}

.compare-vs {
  width: 48px;
  height: 48px;
  align-self: center;
  border: 1px solid rgba(15, 118, 110, .22);
  border-radius: 999px;
  display: grid;
  place-items: center;
  color: var(--teal-dark);
  background: #fff;
  box-shadow: 0 12px 28px rgba(15, 118, 110, .12);
  font-size: 13px;
  font-weight: 900;
}

.ip-report-panel {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  background: rgba(255, 255, 255, .88);
  box-shadow: 0 12px 34px rgba(21, 38, 35, .06);
}

.ip-report-head {
  display: grid;
  grid-template-columns: minmax(0, .58fr) minmax(260px, .42fr);
  gap: 22px;
  align-items: end;
}

.ip-report-head h3 {
  margin-top: 8px;
  font-size: 26px;
}

.ip-report-head p {
  color: var(--muted);
}

.ip-risk-grid {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.ip-risk-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: #fff;
}

.ip-risk-card.clean {
  border-color: rgba(15, 118, 110, .26);
}

.ip-risk-card.risky {
  border-color: rgba(249, 115, 91, .3);
}

.risk-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.risk-title span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.risk-title strong {
  color: var(--ink);
  font-size: 18px;
}

.risk-gauge {
  margin-top: 14px;
  height: 12px;
}

.ip-risk-card dl {
  margin: 16px 0 0;
  display: grid;
  gap: 10px;
}

.ip-risk-card dl div {
  display: grid;
  grid-template-columns: 86px minmax(0, 1fr);
  gap: 12px;
}

.ip-risk-card dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 900;
}

.ip-risk-card dd {
  margin: 0;
  color: var(--slate);
}

.route-cta {
  margin-top: 24px;
  border: 1px solid rgba(15, 118, 110, .22);
  border-radius: 8px;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(21, 38, 35, .06);
}

.route-cta h3 {
  margin: 0;
}

.route-cta p {
  margin-top: 8px;
  color: var(--muted);
}

.delivery-card {
  min-height: 230px;
}

.delivery-card.featured {
  border-color: rgba(15, 118, 110, .35);
  background: #f1fbf7;
}

.delivery-top {
  display: grid;
  gap: 8px;
}

.delivery-top span {
  width: fit-content;
  border-radius: 999px;
  padding: 5px 9px;
  color: var(--teal-dark);
  background: var(--mint);
  font-size: 12px;
  font-weight: 900;
}

.delivery-top strong {
  font-size: 22px;
  line-height: 1.2;
}

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

.step-card {
  padding: 22px;
}

.step-number {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #fff;
  background: var(--slate);
  font-weight: 900;
}

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

.download-priority {
  position: relative;
  border-bottom: 1px solid rgba(219, 229, 226, .9);
  background:
    linear-gradient(180deg, #f3fbf8 0%, #fff 62%, #f7f9f8 100%);
}

.download-priority .section-head {
  align-items: end;
}

.download-priority .section-kicker {
  color: var(--teal-dark);
}

.download-page {
  min-height: calc(100svh - 68px);
  padding-top: 96px;
}

.download-summary {
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid rgba(15, 118, 110, .18);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  background: rgba(255, 255, 255, .86);
  box-shadow: 0 14px 36px rgba(15, 118, 110, .08);
}

.download-summary strong {
  display: block;
  font-size: 18px;
  line-height: 1.25;
}

.download-summary p {
  max-width: 680px;
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

.download-summary-tags {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.download-summary-tags span {
  border: 1px solid rgba(15, 118, 110, .18);
  border-radius: 999px;
  padding: 6px 10px;
  color: var(--teal-dark);
  background: var(--mint);
  font-size: 12px;
  font-weight: 900;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.download-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.platform-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.platform-title h3 {
  margin: 0;
  font-size: 19px;
}

.platform-badge {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 5px 9px;
  color: var(--teal-dark);
  background: var(--mint);
  font-size: 12px;
  font-weight: 900;
}

.download-card p {
  color: var(--muted);
  font-size: 14px;
}

.app-store-note {
  border: 1px solid rgba(245, 182, 66, .42);
  border-radius: 8px;
  padding: 12px;
  background: #fff9e8;
}

.app-store-note strong {
  display: block;
  color: #8a5a00;
  font-size: 13px;
  font-weight: 900;
}

.app-store-note p {
  margin-top: 5px;
  color: #635334;
  font-size: 13px;
}

.link-stack {
  display: grid;
  gap: 8px;
  margin-top: auto;
}

.download-alt {
  margin-top: 6px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  display: grid;
  gap: 8px;
}

.download-alt > span {
  color: var(--coral);
  font-size: 12px;
  font-weight: 900;
}

.download-alt p {
  color: var(--muted);
  font-size: 13px;
}

.download-link {
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--slate);
  background: #fff;
  font-size: 14px;
  font-weight: 800;
}

.download-link:hover {
  border-color: rgba(15, 118, 110, .45);
}

.download-link.local {
  color: var(--teal-dark);
  border-color: rgba(15, 118, 110, .22);
  background: #f1fbf7;
}

.download-link.accent {
  color: #9a3412;
  border-color: rgba(249, 115, 91, .28);
  background: #fff7ed;
}

.download-link.disabled {
  color: #8b9692;
  cursor: default;
  background: #f1f4f3;
}

.download-link svg {
  width: 17px;
  height: 17px;
  flex: 0 0 auto;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.faq-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(21, 38, 35, .05);
}

.faq-item h3 {
  margin: 0;
  font-size: 18px;
}

.faq-item p {
  margin-top: 10px;
  color: var(--muted);
}

.notice-layout {
  display: grid;
  grid-template-columns: minmax(0, .55fr) minmax(280px, .45fr);
  gap: 18px;
  align-items: stretch;
}

.notice-card {
  padding: 24px;
}

.notice-card.important {
  border-color: rgba(249, 115, 91, .38);
  background: #fff7f4;
}

.text-link {
  width: fit-content;
  margin-top: 16px;
  display: inline-flex;
  color: var(--teal-dark);
  font-weight: 900;
}

.route-flow {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 20px;
  display: grid;
  grid-template-columns: minmax(120px, .9fr) auto minmax(170px, 1.1fr) auto minmax(150px, 1fr) auto minmax(150px, 1fr) auto minmax(170px, 1.1fr);
  gap: 12px;
  align-items: center;
  background: #fff;
  box-shadow: 0 12px 34px rgba(21, 38, 35, .06);
}

.backup-line {
  margin-top: 18px;
  border: 1px solid rgba(15, 118, 110, .22);
  border-radius: 8px;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: #fff;
  box-shadow: 0 12px 34px rgba(21, 38, 35, .06);
}

.backup-line h3 {
  margin-top: 6px;
}

.backup-line p {
  margin-top: 8px;
  color: var(--muted);
}

.flow-node {
  min-height: 74px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--slate);
  background: #f8fbfa;
  font-weight: 900;
}

.flow-node.accent {
  color: var(--teal-dark);
  border-color: rgba(15, 118, 110, .24);
  background: #ecfbf4;
}

.flow-arrow {
  color: var(--teal);
  font-weight: 900;
}

.detail-grid {
  margin-top: 18px;
}

.table-wrap {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow-x: auto;
  background: #fff;
  box-shadow: 0 12px 34px rgba(21, 38, 35, .06);
}

.compare-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.compare-table th,
.compare-table td {
  padding: 18px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.compare-table th {
  color: var(--ink);
  background: #f1f7f5;
  font-size: 14px;
  font-weight: 900;
}

.compare-table td {
  color: var(--muted);
}

.compare-table td:first-child {
  color: var(--ink);
  font-weight: 900;
}

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

.route-warning {
  margin-top: 24px;
}

.site-footer {
  padding: 36px 24px;
  color: #d9e7e3;
  background: #12201d;
}

.footer-inner {
  width: min(1180px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  font-size: 14px;
}

.footer-inner a {
  color: #fff;
  font-weight: 800;
}

@media (max-width: 1080px) {
  .download-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .flow-arrow {
    text-align: center;
    transform: rotate(90deg);
  }
}

@media (max-width: 980px) {
  .nav {
    width: min(100% - 28px, 1180px);
  }

  .nav-links {
    display: none;
  }

  .hero {
    min-height: 70svh;
    padding: 84px 20px 76px;
    background-position: 58% center;
  }

  .section-head,
  .price-layout,
  .order-panel,
  .notice-layout,
  .ip-report-head {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .audience-grid,
  .delivery-grid,
  .pool-grid,
  .package-board,
  .download-grid,
  .steps-grid,
  .detail-grid,
  .faq-grid,
  .cost-grid,
  .compare-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .download-summary {
    align-items: stretch;
    flex-direction: column;
  }

  .download-summary-tags {
    justify-content: flex-start;
  }

  .route-cta {
    align-items: stretch;
    flex-direction: column;
  }

  .recharge-hero {
    align-items: stretch;
    flex-direction: column;
  }

  .backup-line {
    align-items: stretch;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .brand span {
    max-width: 210px;
    white-space: normal;
    line-height: 1.15;
  }

  .hero {
    min-height: auto;
    padding: 68px 18px 56px;
  }

  .hero-inner {
    width: calc(100vw - 36px);
    max-width: calc(100vw - 36px);
  }

  h1 {
    font-size: 34px;
    line-height: 1.08;
  }

  .hero-copy {
    width: 100%;
    max-width: 100%;
    font-size: 17px;
  }

  .hero-copy,
  .hero-note {
    max-width: min(320px, calc(100vw - 72px));
  }

  section {
    padding: 62px 18px;
  }

  .feature-grid,
  .audience-grid,
  .delivery-grid,
  .pool-grid,
  .package-board,
  .recharge-products,
  .download-grid,
  .steps-grid,
  .detail-grid,
  .faq-grid,
  .cost-grid,
  .compare-grid,
  .ip-risk-grid {
    grid-template-columns: 1fr;
  }

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

  .compare-vs {
    justify-self: center;
  }

  .route-compare-head,
  .risk-title {
    align-items: flex-start;
    flex-direction: column;
  }

  .route-compare-head strong {
    text-align: left;
  }

  .metric-row,
  .ip-risk-card dl div {
    grid-template-columns: 1fr;
  }

  .hero-actions,
  .footer-inner {
    align-items: stretch;
    flex-direction: column;
  }

  .form-row,
  .order-summary {
    grid-template-columns: 1fr;
  }

  .btn {
    width: 100%;
  }
}

/* AnyDoor-inspired dark broadband refresh */
:root {
  color-scheme: dark;
  --ink: #f5f5f7;
  --muted: #a1a1aa;
  --line: rgba(255, 255, 255, .11);
  --line-strong: rgba(255, 255, 255, .18);
  --paper: #050507;
  --surface: rgba(28, 28, 32, .86);
  --surface-soft: rgba(255, 255, 255, .055);
  --teal: #30d158;
  --teal-dark: #f5f5f7;
  --blue: #0a84ff;
  --blue-soft: rgba(10, 132, 255, .14);
  --mint: rgba(48, 209, 88, .14);
  --coral: #ff9f0a;
  --coral-soft: rgba(255, 159, 10, .14);
  --amber: #ffd60a;
  --amber-soft: rgba(255, 214, 10, .14);
  --slate: #f5f5f7;
  --shadow: 0 24px 70px rgba(0, 0, 0, .36);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", system-ui, sans-serif;
}

html,
body {
  min-height: 100%;
  background: var(--paper);
}

body {
  color: var(--ink);
  background:
    linear-gradient(180deg, #050507 0%, #0d0d10 42%, #050507 100%);
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .38;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, .78), transparent 78%);
}

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  border-bottom: .5px solid var(--line);
  background: rgba(5, 5, 7, .72);
  backdrop-filter: blur(24px) saturate(150%);
}

.nav {
  width: min(1320px, calc(100% - 48px));
  min-height: 58px;
  gap: 18px;
}

.brand {
  color: var(--ink);
  font-size: 14px;
  letter-spacing: 0;
}

.brand-mark {
  width: 28px;
  height: 28px;
  border: .5px solid rgba(255, 255, 255, .16);
  border-radius: 8px;
  color: var(--blue);
  background: linear-gradient(180deg, rgba(255, 255, 255, .14), rgba(255, 255, 255, .06));
  box-shadow: none;
}

.brand-mark svg {
  width: 18px;
  height: 18px;
}

.nav-links {
  gap: 16px;
  color: var(--muted);
  font-size: 12px;
}

.nav-links a {
  border-radius: 999px;
  padding: 7px 9px;
}

.nav-links a:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, .06);
}

.btn {
  min-height: 38px;
  border-radius: 999px;
  padding: 0 15px;
  font-size: 13px;
  font-weight: 850;
}

.btn-primary {
  color: #050507;
  background: #f5f5f7;
  box-shadow: 0 14px 32px rgba(255, 255, 255, .14);
}

.btn-primary:hover {
  background: #fff;
}

.btn-secondary {
  color: var(--ink);
  border-color: var(--line-strong);
  background: rgba(255, 255, 255, .08);
}

.btn-secondary:hover {
  border-color: rgba(255, 255, 255, .28);
  background: rgba(255, 255, 255, .13);
}

main {
  overflow: clip;
}

.hero {
  min-height: 92svh;
  padding: 128px 24px 92px;
  align-items: end;
  border-bottom: .5px solid var(--line);
  color: var(--ink);
  background-image:
    linear-gradient(90deg, rgba(5, 5, 7, .98) 0%, rgba(5, 5, 7, .88) 44%, rgba(5, 5, 7, .28) 100%),
    linear-gradient(0deg, rgba(5, 5, 7, .82), rgba(5, 5, 7, .08) 58%),
    url("assets/ai-broadband-office-hero.png");
  background-position: center;
  background-size: cover;
}

.hero-route {
  background-image:
    linear-gradient(90deg, rgba(5, 5, 7, .98) 0%, rgba(5, 5, 7, .88) 48%, rgba(5, 5, 7, .32) 100%),
    linear-gradient(0deg, rgba(5, 5, 7, .82), rgba(5, 5, 7, .08) 58%),
    url("assets/ai-broadband-office-hero.png");
}

.hero-inner {
  max-width: 1220px;
  position: relative;
}

.eyebrow,
.recharge-label {
  border: .5px solid var(--line-strong);
  color: var(--muted);
  background: rgba(255, 255, 255, .07);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08);
}

.eyebrow::before {
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(48, 209, 88, .14);
}

h1 {
  max-width: 1040px;
  font-size: clamp(42px, 5.375rem, 86px);
  line-height: .98;
  text-shadow: 0 20px 70px rgba(0, 0, 0, .45);
}

.hero-copy {
  max-width: 900px;
  color: rgba(245, 245, 247, .78);
  font-size: clamp(16px, 1.25rem, 20px);
}

.hero-note span,
.download-summary-tags span,
.platform-badge,
.recharge-card-head span,
.delivery-top span {
  border: .5px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, .075);
}

section,
.band-white,
.band-soft,
.download-priority {
  background: transparent;
}

section {
  border-bottom: .5px solid rgba(255, 255, 255, .06);
}

.container {
  max-width: 1220px;
}

.section-head {
  align-items: start;
}

.section-kicker {
  color: var(--teal);
  font-size: 11px;
  letter-spacing: .16em;
}

h2,
.page-title,
h3,
.recharge-card-head strong,
.route-compare-head strong,
.risk-title strong,
.compare-table th,
.compare-table td:first-child {
  color: var(--ink);
}

h2,
.page-title {
  font-size: clamp(28px, 3.5rem, 56px);
  line-height: 1.02;
}

.section-copy,
.info-card p,
.step-card p,
.notice-card p,
.audience-card p,
.delivery-card p,
.cost-card p,
.compare-card p,
.detail-card p,
.price-card p,
.pool-card p,
.package-column,
.check-list li,
.compare-card li,
.mini-list li,
.route-compare-card p,
.compare-points li,
.ip-report-head p,
.ip-risk-card dd,
.backup-line p,
.route-cta p,
.faq-item p,
.download-card p,
.download-alt p,
.download-summary p,
.order-copy p,
.form-status,
.compare-table td,
.muted {
  color: var(--muted);
}

.info-card,
.download-card,
.step-card,
.notice-card,
.audience-card,
.delivery-card,
.cost-card,
.compare-card,
.detail-card,
.price-card,
.pool-card,
.package-column,
.comparison-figure,
.download-summary,
.recharge-card,
.order-copy,
.order-form,
.route-compare-card,
.ip-report-panel,
.ip-risk-card,
.route-cta,
.backup-line,
.faq-item,
.route-flow,
.table-wrap {
  border: .5px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(255, 255, 255, .105), rgba(255, 255, 255, .045));
  box-shadow: var(--shadow);
}

.info-card,
.download-card,
.step-card,
.notice-card,
.audience-card,
.delivery-card,
.cost-card,
.compare-card,
.detail-card,
.pool-card,
.package-column,
.faq-item,
.route-compare-card,
.ip-risk-card {
  min-height: auto;
}

.info-card:hover,
.download-card:hover,
.recharge-card:hover,
.faq-item:hover {
  border-color: rgba(255, 255, 255, .22);
  transform: translateY(-1px);
  transition: border-color .2s ease, transform .2s ease;
}

.icon-box,
.icon-box.blue,
.icon-box.coral,
.icon-box.amber {
  border: .5px solid var(--line);
  color: var(--blue);
  background: var(--blue-soft);
}

.icon-box.coral {
  color: var(--coral);
  background: var(--coral-soft);
}

.icon-box.amber {
  color: var(--amber);
  background: var(--amber-soft);
}

.check-list li::before,
.compare-card.strong li::before,
.route-compare-card.strong .compare-points li::before {
  background: var(--teal);
}

.compare-card li::before,
.compare-points li::before {
  background: var(--coral);
}

.price-card,
.recharge-hero {
  border-color: rgba(10, 132, 255, .24);
  background:
    linear-gradient(145deg, rgba(10, 132, 255, .16), rgba(255, 255, 255, .055));
}

.price-card p,
.recharge-hero p,
.price-label,
.price-value span {
  color: rgba(245, 245, 247, .72);
}

.price-value,
.recharge-price,
.tier-table strong,
.order-summary strong,
.form-status.success,
.text-link {
  color: var(--teal);
}

.recharge-card.featured,
.delivery-card.featured,
.compare-card.strong,
.route-compare-card.strong,
.ip-risk-card.clean {
  border-color: rgba(48, 209, 88, .24);
  background:
    linear-gradient(180deg, rgba(48, 209, 88, .11), rgba(255, 255, 255, .045));
}

.compare-card.weak,
.route-compare-card.weak,
.ip-risk-card.risky,
.notice-card.important {
  border-color: rgba(255, 159, 10, .24);
  background:
    linear-gradient(180deg, rgba(255, 159, 10, .11), rgba(255, 255, 255, .045));
}

.recharge-label,
.order-notice,
.app-store-note {
  border-color: rgba(255, 159, 10, .26);
  background: rgba(255, 159, 10, .09);
}

.order-notice strong,
.app-store-note strong,
.download-alt > span {
  color: var(--coral);
}

.order-notice p,
.app-store-note p {
  color: rgba(245, 245, 247, .7);
}

.tier-table {
  border-color: var(--line);
}

.tier-table div,
.order-summary div,
.download-link,
.flow-node,
.compare-table th,
.compare-table td,
.comparison-figure figcaption {
  border-color: var(--line);
  background: rgba(255, 255, 255, .055);
}

.download-link {
  color: var(--ink);
}

.download-link.local {
  color: var(--teal);
  border-color: rgba(48, 209, 88, .22);
  background: rgba(48, 209, 88, .09);
}

.download-link.accent {
  color: var(--coral);
  border-color: rgba(255, 159, 10, .24);
  background: rgba(255, 159, 10, .09);
}

.download-link.disabled {
  color: rgba(245, 245, 247, .42);
  background: rgba(255, 255, 255, .035);
}

.order-form label span,
.risk-title span,
.ip-risk-card dt,
.metric-row,
.tier-table span {
  color: var(--muted);
}

.order-form input,
.order-form select,
.order-form textarea {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(5, 5, 7, .54);
}

.order-form input:focus,
.order-form select:focus,
.order-form textarea:focus {
  outline: 2px solid rgba(10, 132, 255, .24);
  border-color: rgba(10, 132, 255, .5);
}

.metric-track,
.risk-gauge,
.bar {
  background: rgba(255, 255, 255, .09);
}

.metric-track i,
.risk-gauge span {
  background: linear-gradient(90deg, var(--coral), var(--amber));
}

.route-compare-card.strong .metric-track i,
.ip-risk-card.clean .risk-gauge span {
  background: linear-gradient(90deg, var(--blue), var(--teal));
}

.flow-node {
  color: var(--ink);
  box-shadow: none;
}

.flow-node.accent {
  color: var(--teal);
  border-color: rgba(48, 209, 88, .24);
  background: rgba(48, 209, 88, .09);
}

.flow-arrow {
  color: var(--blue);
}

.compare-vs {
  border-color: var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, .08);
}

.comparison-figure img {
  filter: saturate(.92) brightness(.86);
}

.site-footer {
  border-top: .5px solid var(--line);
  color: var(--muted);
  background: rgba(5, 5, 7, .86);
}

.footer-inner a {
  color: var(--ink);
}

@media (max-width: 980px) {
  .nav {
    width: min(100% - 28px, 1320px);
  }

  .hero {
    min-height: 82svh;
    padding-top: 104px;
    background-position: 62% center;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: sticky;
  }

  .nav {
    min-height: 62px;
  }

    .hero {
    padding: 68px 18px 56px;
    background-image:
      linear-gradient(180deg, rgba(5, 5, 7, .92) 0%, rgba(5, 5, 7, .86) 62%, rgba(5, 5, 7, .98) 100%),
      url("assets/ai-broadband-office-hero.png");
  }

  h1 {
    font-size: 38px;
  }

  .hero-copy,
  .hero-note {
    max-width: 100%;
  }

  .hero-note span {
    font-size: 12px;
  }

  section {
    padding: 58px 18px;
  }

  h2,
  .page-title {
    font-size: 32px;
  }

  .order-copy,
  .order-form,
  .download-card,
  .info-card,
  .notice-card,
  .faq-item,
  .route-compare-card,
  .ip-risk-card,
  .backup-line,
  .route-cta {
    padding: 20px;
  }
}

/* MediaClaw-inspired light SaaS refresh */
:root {
  color-scheme: light;
  --ink: #07111f;
  --muted: #667085;
  --line: #e3e8f2;
  --paper: #f8fafc;
  --surface: #ffffff;
  --teal: #df3d9d;
  --teal-dark: #07111f;
  --blue: #0ea5a8;
  --blue-soft: #e8f7f8;
  --mint: #fde7f4;
  --coral: #f9735b;
  --coral-soft: #fff0ed;
  --amber: #f59e0b;
  --amber-soft: #fff7df;
  --slate: #101828;
  --shadow: 0 20px 58px rgba(8, 17, 34, 0.1);
}

body {
  color: var(--ink);
  background:
    linear-gradient(rgba(91, 104, 124, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 104, 124, 0.055) 1px, transparent 1px),
    linear-gradient(180deg, #ffffff 0%, #f8fafc 48%, #f5f7fb 100%);
  background-size: 64px 64px, 64px 64px, auto;
}

body::before,
body::after {
  display: none;
}

.site-header {
  border-bottom: 1px solid rgba(226, 232, 240, 0.92);
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 1px 0 rgba(8, 17, 34, 0.03);
  backdrop-filter: blur(18px);
}

.nav {
  min-height: 64px;
}

.nav-links {
  color: #475467;
}

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

.brand-mark {
  color: #ffffff;
  background: #07111f;
  box-shadow: 0 10px 24px rgba(8, 17, 34, 0.12);
}

.btn {
  border-radius: 8px;
}

.btn-primary,
.form-actions button,
.recharge-submit {
  color: #ffffff;
  background: var(--teal);
  box-shadow: 0 16px 32px rgba(223, 61, 157, 0.28);
}

.btn-primary:hover,
.form-actions button:hover,
.recharge-submit:hover {
  background: #bf247f;
}

.btn-secondary {
  color: var(--ink);
  border-color: #cfd6e3;
  background: #ffffff;
  box-shadow: 0 10px 26px rgba(8, 17, 34, 0.08);
}

.hero,
.hero-route {
  position: relative;
  min-height: calc(100svh - 64px);
  align-items: center;
  overflow: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 28% 10%, rgba(223, 61, 157, 0.13), transparent 28%),
    linear-gradient(rgba(91, 104, 124, 0.065) 1px, transparent 1px),
    linear-gradient(90deg, rgba(91, 104, 124, 0.065) 1px, transparent 1px),
    #ffffff;
  background-size: auto, 64px 64px, 64px 64px, auto;
}

.hero::after,
.hero-route::after {
  content: "";
  display: block;
  position: absolute;
  right: clamp(22px, 5vw, 74px);
  top: clamp(132px, 18vh, 184px);
  bottom: auto;
  width: min(42vw, 560px);
  aspect-ratio: 4 / 3;
  background-image: url("assets/ai-broadband-office-hero.png");
  background-size: cover;
  background-position: center;
  border: 1px solid rgba(8, 17, 34, 0.16);
  border-radius: 8px;
  box-shadow: 0 28px 90px rgba(8, 17, 34, 0.16);
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  padding-right: min(44vw, 560px);
}

.eyebrow,
.recharge-label {
  width: fit-content;
  color: #1d2939;
  border: 1px solid rgba(223, 61, 157, 0.28);
  background: rgba(253, 231, 244, 0.9);
  box-shadow: 0 12px 28px rgba(223, 61, 157, 0.12);
}

.eyebrow::before {
  background: var(--teal);
  box-shadow: 0 0 0 4px rgba(223, 61, 157, 0.16);
}

h1 {
  max-width: 760px;
  color: var(--ink);
  font-size: clamp(44px, 5.8vw, 78px);
  line-height: 0.98;
}

h1 span:last-child {
  color: var(--teal);
}

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

.hero-note span {
  color: #344054;
  border-color: #d8dee8;
  background: #ffffff;
  box-shadow: 0 10px 24px rgba(8, 17, 34, 0.06);
}

.band-soft,
.band-white,
.download-priority,
.recharge-section {
  background: transparent;
}

section {
  border-top: 1px solid rgba(226, 232, 240, 0.72);
}

.section-kicker,
.pool-card span,
.audience-card span,
.price-label,
.recharge-card-head span,
.card-index {
  color: var(--teal);
}

.info-card,
.download-card,
.step-card,
.notice-card,
.audience-card,
.delivery-card,
.cost-card,
.compare-card,
.detail-card,
.pool-card,
.package-column,
.comparison-figure,
.recharge-card,
.faq-item,
.price-card,
.order-copy,
.order-form,
.route-compare-card,
.ip-risk-card,
.backup-line,
.route-cta {
  color: var(--ink);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.price-card,
.recharge-hero {
  color: var(--ink);
  background: #ffffff;
  border-color: rgba(223, 61, 157, 0.28);
  box-shadow: 0 24px 70px rgba(223, 61, 157, 0.12);
}

.price-card p,
.price-label,
.price-value span,
.recharge-hero p,
.download-link.disabled {
  color: var(--muted);
}

.price-value,
.recharge-price {
  color: var(--teal);
}

.icon-box,
.recharge-card-head span,
.compare-card.strong,
.recharge-card.featured,
.download-link.local {
  color: var(--ink);
  background: var(--mint);
}

.download-link,
.flow-node,
.compare-vs,
.order-form input,
.order-form select,
.order-form textarea {
  color: var(--ink);
  border-color: var(--line);
  background: #ffffff;
}

.order-form input:focus,
.order-form select:focus,
.order-form textarea:focus {
  outline-color: rgba(223, 61, 157, 0.22);
  border-color: rgba(223, 61, 157, 0.5);
}

.metric-track,
.risk-gauge,
.bar {
  background: #edf1f7;
}

.check-list li::before,
.mini-list li::before,
.compare-card.strong li::before {
  background: var(--teal);
}

.comparison-figure img {
  filter: none;
}

.site-footer {
  background: #07111f;
}

@media (max-width: 980px) {
  .hero,
  .hero-route {
    min-height: auto;
  }

  .hero-inner {
    padding-right: 0;
  }

  .hero::after,
  .hero-route::after {
    position: relative;
    right: auto;
    bottom: auto;
    display: block;
    width: min(100%, 680px);
    margin: 36px auto 0;
  }
}

@media (max-width: 640px) {
  .hero,
  .hero-route {
    padding-top: 42px;
    color: var(--ink);
    background:
      linear-gradient(rgba(91, 104, 124, 0.065) 1px, transparent 1px),
      linear-gradient(90deg, rgba(91, 104, 124, 0.065) 1px, transparent 1px),
      #ffffff;
    background-size: 52px 52px, 52px 52px, auto;
  }

  h1 {
    font-size: clamp(40px, 13vw, 60px);
  }
}
