:root {
  --ink: #17212b;
  --muted: #5a6370;
  --line: #d9e0e8;
  --paper: #f6f8f9;
  --white: #ffffff;
  --red: #c91523;
  --red-dark: #a10d18;
  --blue: #0f5f8f;
  --green: #2d7c67;
  --gold: #b4741f;
  --shadow: 0 24px 70px rgba(18, 31, 45, 0.16);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family:
    "Microsoft YaHei",
    "PingFang SC",
    "Noto Sans SC",
    Arial,
    sans-serif;
  line-height: 1.6;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid rgba(217, 224, 232, 0.6);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 8px rgba(18,31,45,0.06);
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 8px 24px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.topbar a {
  color: var(--muted);
  font-weight: 600;
}

.topbar a:hover {
  color: var(--red);
}

.topbar a {
  color: var(--red);
  font-weight: 700;
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: -0.5px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: var(--white);
  background: var(--red);
  border-radius: 8px;
  font-weight: 900;
  font-size: 18px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  color: #1a2733;
  font-size: 16px;
  font-weight: 700;
}

.nav-links a {
  position: relative;
}

.nav-links a:not(.nav-cta)::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  background: var(--red);
  content: "";
  opacity: 0;
  transform: scaleX(0.5);
  transition: 0.2s ease;
}

.nav-links a:hover::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-links a.active {
  color: var(--red);
}

.nav-cta {
  padding: 12px 24px;
  color: var(--white);
  background: var(--red);
  border-radius: var(--radius);
  font-weight: 800;
  font-size: 15px;
  box-shadow: 0 4px 14px rgba(201,21,35,0.3);
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 9px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.hero {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  color: var(--white);
  background: #111a22;
}

.hero-slides {
  position: relative;
  height: 560px;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.6s ease;
}

.hero-slide.active {
  opacity: 1;
}

.hero-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(9, 18, 27, 0.88) 0%, rgba(9, 18, 27, 0.55) 50%, rgba(9, 18, 27, 0.2) 100%),
    linear-gradient(180deg, rgba(9, 18, 27, 0.1), rgba(9, 18, 27, 0.7));
}

.hero-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 50%;
  transform: translateY(50%);
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  z-index: 2;
}

.hero-caption h1 {
  max-width: 680px;
  margin-bottom: 14px;
  font-size: clamp(36px, 5vw, 64px);
}

.hero-caption p {
  max-width: 540px;
  margin-bottom: 24px;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
}

.hero-dots {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 2;
}

.hero-dots .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.5);
  background: transparent;
  cursor: pointer;
  padding: 0;
  transition: background 0.3s;
}

.hero-dots .dot.active {
  background: var(--white);
  border-color: var(--white);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--red);
  font-size: 13px;
  font-weight: 800;
}

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

h1 {
  margin-bottom: 20px;
  font-size: clamp(46px, 7vw, 82px);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.18;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.3;
}

.hero-text {
  max-width: 620px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 19px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(9, 18, 27, 0.7);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay[hidden] {
  display: none;
}

.modal-panel {
  position: relative;
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 32px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: 0 24px 70px rgba(18, 31, 45, 0.25);
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: 0;
  font-size: 28px;
  color: var(--muted);
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover {
  color: var(--ink);
}

.modal-panel .panel-kicker {
  margin-bottom: 8px;
  color: var(--green);
  font-size: 13px;
  font-weight: 800;
}

.modal-panel h2 {
  margin-bottom: 20px;
  font-size: 22px;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 0;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 800;
  line-height: 1.2;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    background 0.18s ease;
}

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

.button-primary {
  color: var(--white);
  background: var(--red);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
}

.button-primary:hover {
  background: var(--red-dark);
}

.nav-cta:hover {
  background: var(--red-dark);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(201,21,35,0.4);
}

.button-secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.button-dark {
  width: 100%;
  color: var(--white);
  background: var(--ink);
}

.button-light {
  color: var(--red);
  background: var(--white);
}

.button-small {
  min-height: auto;
  padding: 7px 14px;
  font-size: 13px;
  margin-top: 10px;
  color: var(--white);
  background: var(--red);
  border-radius: var(--radius);
  border: 0;
  cursor: pointer;
  font-weight: 700;
}

.button-small:hover {
  background: var(--red-dark);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
  color: #334150;
  font-size: 13px;
  font-weight: 750;
}

input,
select,
textarea {
  width: 100%;
  min-width: 0;
  padding: 12px 12px;
  color: var(--ink);
  background: #f9fbfc;
  border: 1px solid #ced8e1;
  border-radius: 7px;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 3px rgba(201, 21, 35, 0.12);
}

.form-status {
  min-height: 22px;
  margin: 12px 0 0;
  color: var(--green);
  font-size: 14px;
  font-weight: 700;
}

.privacy-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.form-status.error {
  color: var(--red);
}

.metrics-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  max-width: 1180px;
  margin: -42px auto 0;
  overflow: hidden;
  position: relative;
  z-index: 3;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 18px 48px rgba(18, 31, 45, 0.12);
}

.metric {
  padding: 24px;
  border-right: 1px solid var(--line);
}

.metric:last-child {
  border-right: 0;
}

.metric strong {
  display: block;
  color: var(--red);
  font-size: 30px;
  line-height: 1.1;
}

.metric span {
  color: var(--muted);
  font-weight: 650;
}

.section,
.process-band,
.cta-band {
  max-width: 1180px;
  margin: 0 auto;
  padding: 96px 24px;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 38px;
}

.section-heading.split {
  display: flex;
  max-width: none;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.section-heading h2 {
  margin-bottom: 0;
}

.text-link {
  flex: 0 0 auto;
  color: var(--red);
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.section-note {
  max-width: 300px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.benefit-grid,
.product-grid,
.package-grid,
.case-grid {
  display: grid;
  gap: 22px;
}

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

.benefit-grid article,
.product-card,
.package-card,
.case-card,
.faq-item,
.solution-list article {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.benefit-grid article {
  padding: 28px;
}

.benefit-index {
  display: block;
  margin-bottom: 18px;
  color: var(--blue);
  font-size: 15px;
  font-weight: 900;
}

.benefit-grid p,
.solution-list p,
.case-card p,
.faq-item p,
.product-card li,
.package-card li,
.process-list p {
  color: var(--muted);
}

.products-section {
  background: linear-gradient(180deg, #ffffff 0%, #f3f6f8 100%);
  max-width: none;
}

.products-section > * {
  max-width: 1180px;
  margin-right: auto;
  margin-left: auto;
}

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

.product-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
}

.product-image {
  display: grid;
  aspect-ratio: 16 / 10;
  place-items: center;
  background: #eef3f6;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 12px;
}

.product-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 22px;
}

.tag {
  align-self: flex-start;
  margin-bottom: 12px;
  padding: 4px 9px;
  color: var(--red);
  background: #fff1f2;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 850;
}

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

.product-meta {
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 800;
}

.product-card ul,
.package-card ul {
  display: grid;
  gap: 8px;
  margin: 0 0 18px;
  padding-left: 18px;
}

.price-row {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.price-row strong {
  color: var(--ink);
  font-size: 24px;
}

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

.package-card {
  position: relative;
  padding: 30px;
}

.package-card.highlight {
  border-color: rgba(201, 21, 35, 0.38);
  box-shadow: 0 18px 42px rgba(201, 21, 35, 0.12);
}

.package-label {
  display: inline-flex;
  margin-bottom: 16px;
  padding: 5px 10px;
  color: var(--white);
  background: var(--green);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 850;
}

.package-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin: 18px 0;
}

.package-price strong {
  color: var(--red);
  font-size: 42px;
  line-height: 1;
}

.best-for {
  min-height: 52px;
  color: var(--muted);
}

.solutions-section {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 50px;
  align-items: start;
}

.solution-copy {
  position: sticky;
  top: 116px;
}

.solution-copy p:not(.eyebrow) {
  color: var(--muted);
  font-size: 17px;
}

.solution-list {
  display: grid;
  gap: 18px;
}

.solution-list article {
  padding: 24px 26px;
  border-left: 2px solid var(--red);
}

.solution-list article:nth-child(2) {
  border-left-color: var(--blue);
}

.solution-list article:nth-child(3) {
  border-left-color: var(--green);
}

.solution-list article:nth-child(4) {
  border-left-color: var(--gold);
}

.process-band {
  max-width: none;
  background: var(--paper);
  color: var(--ink);
}

.process-band > * {
  max-width: 1180px;
  margin-right: auto;
  margin-left: auto;
}

.process-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  margin: 0 auto;
  padding: 0;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
}

.process-list li {
  min-height: 200px;
  padding: 28px;
  border-right: 1px solid var(--line);
}

.process-list li:last-child {
  border-right: 0;
}

.process-list span {
  display: grid;
  width: 36px;
  height: 36px;
  margin-bottom: 28px;
  place-items: center;
  color: var(--white);
  background: var(--blue);
  border-radius: 50%;
  font-weight: 900;
}

.process-list strong {
  display: block;
  margin-bottom: 8px;
  font-size: 18px;
  color: var(--ink);
}

.process-list p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

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

.case-card {
  padding: 28px;
}

.case-card .industry {
  color: var(--green);
  font-size: 13px;
  font-weight: 850;
}

.case-card strong {
  display: block;
  margin-top: 18px;
  color: var(--red);
  font-size: 24px;
}

.faq-section {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 60px;
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  overflow: hidden;
}

.faq-question {
  display: flex;
  width: 100%;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  color: var(--ink);
  background: var(--white);
  border: 0;
  cursor: pointer;
  text-align: left;
  font-weight: 850;
}

.faq-question span:last-child {
  display: grid;
  flex: 0 0 28px;
  width: 28px;
  height: 28px;
  place-items: center;
  color: var(--white);
  background: var(--blue);
  border-radius: 50%;
}

.faq-answer {
  display: none;
  padding: 0 22px 20px;
}

.faq-item.open .faq-answer {
  display: block;
}

.faq-item.open .faq-question span:last-child {
  background: var(--red);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.news-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  overflow: hidden;
  transition: box-shadow 0.2s ease;
}

.news-card:hover {
  box-shadow: 0 8px 28px rgba(18, 31, 45, 0.1);
}

.news-card-link {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 24px;
  color: inherit;
}

.news-cover {
  display: block;
  font-size: 36px;
  margin-bottom: 14px;
}

.news-body h3 {
  margin-bottom: 8px;
  font-size: 17px;
  line-height: 1.4;
}

.news-date {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 650;
}

.news-body p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 12px;
}

.news-tag {
  display: inline-block;
  margin-top: auto;
  color: var(--blue);
  font-size: 12px;
  font-weight: 750;
}

.news-page-section {
  padding-top: 72px;
}

.news-list {
  display: grid;
  gap: 18px;
}

.news-card-full {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.news-card-inner {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 22px;
  align-items: start;
  padding: 24px;
  cursor: pointer;
}

.news-expand {
  padding: 7px 14px;
  color: var(--red);
  background: none;
  border: 1px solid var(--red);
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 700;
  white-space: nowrap;
  transition: background 0.18s ease, color 0.18s ease;
}

.news-expand:hover {
  color: var(--white);
  background: var(--red);
}

.news-content {
  padding: 0 24px 28px;
  line-height: 1.8;
  color: var(--ink);
}

.news-content h1 {
  font-size: clamp(24px, 4vw, 36px);
}

.news-content h2 {
  font-size: clamp(20px, 3vw, 28px);
  margin-top: 28px;
}

.news-content h3 {
  margin-top: 22px;
}

.news-content ul,
.news-content ol {
  padding-left: 22px;
  margin: 14px 0;
}

.news-content li {
  margin-bottom: 6px;
}

.news-content blockquote {
  margin: 16px 0;
  padding: 12px 18px;
  color: var(--muted);
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: inset 3px 0 0 var(--blue);
}

.news-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
}

.news-content th,
.news-content td {
  padding: 10px 14px;
  border: 1px solid var(--line);
  text-align: left;
  font-size: 14px;
}

.news-content th {
  background: var(--paper);
  font-weight: 800;
}

.news-content hr {
  border: 0;
  height: 1px;
  background: var(--line);
  margin: 24px 0;
}

.news-loading,
.news-error {
  color: var(--muted);
  font-style: italic;
  padding: 14px 0;
}

.news-error {
  color: var(--red);
}

/* Article detail page */
.article-detail {
  max-width: 780px;
}

.article-detail h1 {
  font-size: clamp(28px, 4vw, 40px);
  margin-bottom: 8px;
}

.article-date {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 28px;
}

.article-detail h2 {
  font-size: clamp(22px, 3vw, 28px);
  margin-top: 36px;
}

.article-detail p {
  line-height: 1.85;
  margin-bottom: 16px;
  color: var(--ink);
}

.article-detail ul,
.article-detail ol {
  padding-left: 22px;
  margin: 14px 0;
}

.article-detail li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.article-detail table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

.article-detail th,
.article-detail td {
  padding: 10px 14px;
  border: 1px solid var(--line);
  text-align: left;
  font-size: 14px;
}

.article-detail th {
  background: var(--paper);
  font-weight: 700;
}

.article-tags {
  margin-top: 28px;
  color: var(--blue);
  font-size: 13px;
}

.article-body {
  max-width: 780px;
}

.article-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 48px 24px;
}

.cta-band {
  display: flex;
  max-width: none;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 48px 24px;
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 6px 0 rgba(0,0,0,0.04);
}

.cta-band > * {
  max-width: 1180px;
}

.cta-band h2 {
  margin-bottom: 0;
  font-size: clamp(20px, 2.5vw, 28px);
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  gap: 32px;
  max-width: none;
  padding: 48px 24px 32px;
  background: var(--paper);
  color: var(--ink);
}

@media (min-width: 1228px) {
  .site-footer {
    padding-left: calc((100vw - 1180px) / 2);
    padding-right: calc((100vw - 1180px) / 2);
  }
}

.site-footer a {
  display: block;
  color: var(--muted);
  line-height: 1.6;
  font-size: 13px;
}

.site-footer a:hover {
  color: var(--red);
}

.site-footer p,
.site-footer span {
  color: var(--muted);
  line-height: 1.6;
  font-size: 13px;
}

.site-footer strong {
  display: block;
  margin-bottom: 10px;
  color: var(--ink);
  font-weight: 700;
  font-size: 14px;
}

.footer-brand {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--ink);
  font-size: 16px;
  font-weight: 800;
}

.footer-brand .brand-mark {
  width: 34px;
  height: 34px;
  font-size: 15px;
  background: var(--red);
  color: var(--white);
}

.footer-qr {
  width: 80px;
  height: 80px;
  margin-top: 8px;
  border-radius: 4px;
  border: 1px solid var(--line);
}

.footer-bottom {
  grid-column: 1 / -1;
  padding-top: 14px;
  margin-top: 8px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-bottom a {
  color: var(--muted);
}

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

.not-found {
  display: grid;
  min-height: 100vh;
  place-content: center;
  gap: 14px;
  padding: 24px;
  text-align: center;
}

.not-found p {
  margin-bottom: 0;
  color: var(--red);
  font-size: 72px;
  font-weight: 900;
  line-height: 1;
}

.guarantee-item p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 0;
}

/* Compare table */
.compare-table {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.compare-head,
.compare-row {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
}

.compare-head span,
.compare-row span {
  padding: 14px 16px;
  font-size: 14px;
  border-bottom: 1px solid var(--line);
}

.compare-head {
  background: var(--paper);
  font-weight: 800;
}

.compare-row:last-child span {
  border-bottom: 0;
}

.compare-highlight {
  background: #fff8f8;
  color: var(--red);
  font-weight: 700;
}

.compare-row .compare-highlight {
  color: var(--ink);
  font-weight: 700;
}

/* About section */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 48px;
  align-items: start;
}

.about-text p {
  color: var(--muted);
  margin-bottom: 12px;
}

.about-coverage {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}

.coverage-text {
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink);
}

.coverage-text strong {
  color: var(--red);
}

/* Guarantee section */
.guarantee-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.guarantee-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  background: var(--white);
}

.guarantee-item strong {
  display: block;
  color: var(--red);
  font-size: 32px;
  line-height: 1.1;
  margin-bottom: 4px;
}

.guarantee-item span {
  display: block;
  font-weight: 800;
  margin-bottom: 10px;
}

.guarantee-item p {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 0;
}

/* Section spacing */
.compare-section,
.about-section,
.guarantee-section {
  padding: 80px 24px;
}

/* ===== Animations ===== */

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Card hover lift */
.product-card,
.package-card,
.case-card,
.news-card {
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.product-card:hover,
.package-card:hover,
.case-card:hover,
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(18, 31, 45, 0.14);
}

/* Button pulse */
.button-primary {
  animation: btnPulse 2.5s ease-in-out infinite;
}

@keyframes btnPulse {
  0%, 100% { box-shadow: 0 14px 34px rgba(201, 21, 35, 0.35); }
  50% { box-shadow: 0 14px 44px rgba(201, 21, 35, 0.5), 0 0 0 8px rgba(201, 21, 35, 0.08); }
}

/* Hero caption text slide-in */
.hero-slide.active .hero-caption h1 {
  animation: slideUp 0.7s ease forwards;
}

.hero-slide.active .hero-caption p {
  animation: slideUp 0.7s 0.15s ease forwards;
}

.hero-slide.active .hero-caption .hero-actions {
  animation: slideUp 0.7s 0.3s ease forwards;
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Metrics count-up */
.metric strong {
  transition: none;
}

/* Benefit index rotate on hover */
.benefit-index {
  transition: transform 0.4s ease;
}

.benefit-grid article:hover .benefit-index {
  transform: rotate(-6deg) scale(1.15);
}

/* Smooth nav underline */
.nav-links a:not(.nav-cta)::after {
  transition: opacity 0.25s ease, transform 0.25s ease;
}

/* Modal open animation */
.modal-overlay:not([hidden]) {
  animation: fadeIn 0.25s ease;
}

.modal-overlay:not([hidden]) .modal-panel {
  animation: scaleIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.92); }
  to { opacity: 1; transform: scale(1); }
}

@media (max-width: 1040px) {
  .hero-caption h1 {
    font-size: 32px;
  }
  .hero-caption p {
    font-size: 16px;
  }

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

  .solutions-section,
  .faq-section {
    grid-template-columns: 1fr;
  }

  .solution-copy {
    position: static;
  }

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

  .process-list li:nth-child(2) {
    border-right: 0;
  }

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

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

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

@media (max-width: 760px) {
  .topbar {
    display: none;
  }

  .navbar {
    padding: 14px 18px;
  }

  .menu-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 67px;
    right: 12px;
    left: 12px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 14px;
    background: var(--white);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 13px 12px;
  }

  .nav-cta {
    text-align: center;
  }

  .hero {
    min-height: auto;
  }

  .hero {
    min-height: 420px;
  }

  .hero-slides {
    height: 420px;
  }

  .hero-caption h1 {
    font-size: 28px;
  }

  .hero-caption p {
    font-size: 15px;
  }

  h1 {
    font-size: 44px;
  }

  h2 {
    font-size: 30px;
  }

  .form-grid,
  .metrics-strip,
  .benefit-grid,
  .product-grid,
  .package-grid,
  .case-grid,
  .process-list,
  .site-footer,
  .news-grid {
    grid-template-columns: 1fr;
  }

  .metrics-strip {
    margin: 0;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }

  .metric {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .metric:last-child {
    border-bottom: 0;
  }

  .section,
  .process-band,
  .cta-band {
    padding: 36px 18px;
  }

  .section-heading.split,
  .cta-band {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-note {
    max-width: none;
  }

  .process-list li,
  .process-list li:nth-child(2),
  .process-list li:nth-child(-n + 2) {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .process-list li:last-child {
    border-bottom: 0;
  }

  .news-card-inner {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .news-expand {
    justify-self: start;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

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

  .compare-head span,
  .compare-row span {
    padding: 10px 12px;
    font-size: 13px;
  }
  .compare-table {
    overflow-x: auto;
  }
}

@media (max-width: 420px) {
  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  h1 {
    font-size: 38px;
  }

  .brand {
    font-size: 15px;
  }

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

  .compare-head span,
  .compare-row span {
    font-size: 12px;
    padding: 8px;
  }
  .compare-table {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  .compare-head, .compare-row {
    min-width: 480px;
  }
}