:root {
  --navy: #061633;
  --blue: #163a66;
  --paper: #f3f6fa;
  --line: #d3dbe7;
  --text: #111827;
  --muted: #374151;
  --red: #b0162c;
  --white: #ffffff;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--white);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Yu Gothic", "Noto Sans JP", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  font-weight: 400;
}

html:lang(zh-Hans) body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", sans-serif;
}

html:lang(zh-Hans) h1,
html:lang(zh-Hans) h2,
html:lang(zh-Hans) h3,
html:lang(zh-Hans) .brand,
html:lang(zh-Hans) .channel-section > h3,
html:lang(zh-Hans) .record-card-head strong,
html:lang(zh-Hans) .product-card h3,
html:lang(zh-Hans) .plan-grid strong,
html:lang(zh-Hans) .detail-grid strong,
html:lang(zh-Hans) .process-grid strong,
html:lang(zh-Hans) .guide-link-grid strong {
  font-weight: 700;
}

a { color: inherit; text-decoration: none; }
img, video { max-width: 100%; }
h1, h2, h3, p { margin: 0; }
h1, h2, h3, strong { letter-spacing: 0; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 10px clamp(18px, 4vw, 46px);
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.brand {
  color: var(--navy);
  font-size: 21px;
  font-weight: 700;
  white-space: nowrap;
}

nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 18px;
  color: #1f2f46;
  font-size: 15px;
  font-weight: 600;
}

nav a:hover, .language a:hover { color: var(--red); }

.language {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #334155;
  font-size: 14px;
  font-weight: 600;
}

.language span {
  color: var(--red);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.16fr) minmax(420px, .84fr);
  min-height: min(640px, calc(100vh - 54px));
  background: var(--navy);
  color: var(--white);
}

.hero-media {
  min-height: 410px;
  background: #26384f;
}

.hero-media .record-media-grid {
  height: 100%;
  grid-template-columns: 1fr;
  gap: 0;
}

.hero-media img,
.hero-media video {
  width: 100%;
  height: 100%;
  min-height: 410px;
  object-fit: cover;
  filter: saturate(.9) contrast(1.02);
}

.hero-copy {
  display: grid;
  align-content: center;
  gap: 14px;
  padding: clamp(24px, 3.6vw, 48px);
  border-left: 1px solid rgba(255,255,255,.14);
}

.kicker {
  color: var(--red);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
}

.hero .kicker { color: #f0b3bd; }

h1 {
  font-size: clamp(40px, 4.5vw, 62px);
  line-height: 1.05;
  font-weight: 800;
}

.hero-copy h1 {
  max-width: 760px;
  text-wrap: balance;
}

.hero-copy .hero-subtitle {
  max-width: 700px;
  color: #ffffff;
  font-size: clamp(22px, 2vw, 30px);
  line-height: 1.24;
  font-weight: 700;
}

h2 {
  color: var(--navy);
  font-size: clamp(28px, 2.7vw, 40px);
  line-height: 1.12;
  font-weight: 800;
}

h3 {
  color: var(--navy);
  font-size: 22px;
  line-height: 1.28;
  font-weight: 700;
}

.hero-copy p {
  max-width: 660px;
  color: #e3e9f2;
  font-size: 18px;
  line-height: 1.55;
  font-weight: 400;
}

.route {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: #fff;
  font-size: clamp(21px, 2.1vw, 30px);
  font-weight: 700;
}

.route span {
  padding-right: 4px;
}

.actions, .inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.actions a,
.inline-actions a,
.section-link,
.sticky-line {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 16px;
  border: 1px solid var(--navy);
  background: var(--navy);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
}

.actions a:nth-child(2),
.inline-actions a:first-child,
.section-link {
  background: #fff;
  color: var(--navy);
}

.hero .actions a {
  border-color: #fff;
}

.hero .actions a:nth-child(2) {
  background: transparent;
  color: #fff;
}

.hero .actions a:nth-child(3) {
  border-color: var(--red);
  background: var(--red);
}

.section {
  padding: clamp(26px, 3.4vw, 44px) clamp(20px, 4vw, 50px);
}

.section.muted {
  background: var(--paper);
  border-block: 1px solid var(--line);
}

.section-head {
  display: grid;
  gap: 7px;
  max-width: 980px;
  margin-bottom: 16px;
}

.section-head p,
.page-hero p,
.product-hero p,
.partner p,
.contact p,
.notice {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.56;
  font-weight: 400;
  max-width: 900px;
}

.record-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.channel-stack {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: start;
}

.channel-section {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.channel-section > h3 {
  padding: 0 0 0 10px;
  border-left: 4px solid var(--red);
  font-size: 22px;
  line-height: 1.18;
}

.channel-section .record-grid {
  grid-template-columns: 1fr;
}

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

.record-card {
  display: grid;
  gap: 9px;
  min-width: 0;
  padding: 10px;
  border: 1px solid var(--line);
  background: #fff;
}

.record-card-head {
  display: grid;
  gap: 4px;
}

.record-card-head span {
  color: var(--red);
  font-size: 13px;
  font-weight: 700;
}

.record-card-head strong {
  color: var(--navy);
  font-size: 21px;
  line-height: 1.25;
  font-weight: 700;
}

.record-card p {
  color: #334155;
  font-size: 15px;
  line-height: 1.48;
  font-weight: 400;
}

.record-media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px;
}

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

.record-media-grid img,
.record-media-grid video {
  display: block;
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #dbe3ee;
}

.record-placeholder {
  display: grid;
  min-height: 220px;
  place-items: center;
  border: 1px solid #b8c3d4;
  background: linear-gradient(135deg, #dce4ee, #f5f7fa);
  color: #334155;
  font-weight: 600;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.product-card {
  display: grid;
  grid-template-columns: 136px 1fr;
  gap: 12px;
  align-items: start;
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  background: #fff;
}

.product-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: #dbe3ee;
}

.product-card div {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.product-card strong {
  color: var(--red);
  font-size: 16px;
  font-weight: 700;
}

.product-card p {
  color: #334155;
  font-size: 15px;
  line-height: 1.48;
  font-weight: 400;
}

.inline-actions a {
  min-height: 42px;
  padding: 9px 13px;
  font-size: 15px;
}

.partner {
  display: grid;
  grid-template-columns: minmax(0, .7fr) minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  background: #fbfbfc;
}

.role-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

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

.role-grid div,
.spec-grid div,
.process-grid div,
.company-list {
  border: 1px solid var(--line);
  background: #fff;
  padding: 13px;
}

.role-grid strong,
.role-grid span,
.spec-grid div,
.process-grid p,
.company-list p {
  display: block;
  color: #1f2937;
  font-size: 15px;
  line-height: 1.5;
  font-weight: 500;
}

.role-grid strong {
  margin-bottom: 5px;
  color: var(--navy);
  font-size: 19px;
  line-height: 1.24;
  font-weight: 700;
}

.company {
  background: var(--navy);
  color: #fff;
}

.company h2,
.company .company-list p,
.company .company-list strong {
  color: #fff;
}

.company .company-list {
  margin-top: 12px;
  border-color: rgba(255,255,255,.18);
  background: rgba(255,255,255,.06);
}

.contact {
  display: grid;
  gap: 8px;
  background: #fff;
}

.page-hero,
.product-hero {
  padding: clamp(28px, 3.8vw, 48px) clamp(20px, 4vw, 50px);
  background: var(--paper);
  border-bottom: 1px solid var(--line);
}

.page-hero {
  display: grid;
  gap: 7px;
}

.product-hero {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, .55fr);
  gap: 18px;
  align-items: center;
}

.product-hero > div {
  display: grid;
  gap: 9px;
}

.product-hero img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid var(--line);
  background: #dbe3ee;
}

.compact {
  padding-block: clamp(24px, 3.2vw, 40px);
}

.spec-grid,
.process-grid,
.plan-grid,
.detail-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.plan-grid,
.detail-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 10px;
}

.plan-grid div,
.detail-grid div {
  border: 1px solid var(--line);
  background: #fff;
  padding: 13px;
}

.plan-grid img {
  display: block;
  width: calc(100% + 26px);
  max-width: none;
  margin: -13px -13px 10px;
  padding: 8px;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: #f4efe6;
  border-bottom: 1px solid var(--line);
}

.detail-grid img {
  display: block;
  width: calc(100% + 26px);
  max-width: none;
  margin: -13px -13px 10px;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: #dbe3ee;
  border-bottom: 1px solid var(--line);
}

.plan-grid span {
  color: var(--red);
  font-size: 15px;
  font-weight: 700;
}

.plan-grid strong,
.detail-grid strong {
  display: block;
  margin: 3px 0 5px;
  color: var(--navy);
  font-size: 20px;
  line-height: 1.24;
  font-weight: 700;
}

.plan-grid p,
.detail-grid p {
  color: #334155;
  font-size: 15px;
  line-height: 1.5;
  font-weight: 400;
}

.plan-grid em {
  display: block;
  margin-top: 8px;
  color: var(--red);
  font-style: normal;
  font-size: 18px;
  font-weight: 700;
}

.price-table-wrap {
  display: grid;
  gap: 8px;
  margin: 10px 0;
  border: 1px solid var(--line);
  background: #fff;
  padding: 13px;
}

.price-table-wrap h3 {
  font-size: 22px;
}

.price-table-scroll {
  overflow-x: auto;
}

.price-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: 16px;
}

.price-table th,
.price-table td {
  border: 1px solid var(--line);
  padding: 7px 9px;
  text-align: center;
}

.price-table th {
  background: var(--paper);
  color: var(--navy);
  font-weight: 600;
}

.price-table td {
  font-weight: 500;
}

.price-table-wrap > p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.5;
  font-weight: 400;
}

.request-section {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(320px, .55fr);
  gap: 14px;
  align-items: start;
  background: var(--paper);
  border-block: 1px solid var(--line);
}

.request-section p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.52;
  font-weight: 400;
}

.request-section ul {
  margin: 0 0 10px;
  padding-left: 20px;
  color: #1f2937;
  font-size: 16px;
  line-height: 1.52;
  font-weight: 500;
}

.request-section a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  background: var(--red);
  color: #fff;
  font-weight: 600;
}

.process-grid span {
  display: block;
  color: var(--red);
  font-weight: 600;
}

.process-grid strong {
  display: block;
  margin: 4px 0;
  color: var(--navy);
  font-size: 21px;
  line-height: 1.32;
  font-weight: 700;
}

.notice {
  padding: 13px;
  border-left: 5px solid var(--red);
  background: var(--paper);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.guide-grid figure {
  margin: 0;
  min-width: 0;
  border: 1px solid var(--line);
  background: #fff;
  padding: 8px;
}

.guide-grid img {
  display: block;
  width: 100%;
  height: auto;
  background: #f3f6fa;
}

.intro-answer .route {
  color: var(--navy);
}

.answer-grid,
.guide-link-grid,
.two-column-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

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

.answer-grid div,
.guide-link-grid a,
.two-column-list > div,
.faq-list details {
  min-width: 0;
  border: 1px solid var(--line);
  background: #fff;
  padding: 13px;
}

.answer-grid div {
  color: #1f2937;
  font-size: 17px;
  line-height: 1.58;
  font-weight: 600;
}

.guide-link-grid a {
  display: grid;
  gap: 6px;
}

.guide-link-grid strong {
  color: var(--navy);
  font-size: 18px;
  line-height: 1.3;
  font-weight: 700;
}

.guide-link-grid span,
.guide-text,
.faq-list p,
.two-column-list li {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.56;
  font-weight: 400;
}

.two-column-list ul {
  margin: 8px 0 0;
  padding-left: 22px;
}

.guide-page {
  background: #fff;
}

.guide-text {
  max-width: 920px;
}

.faq-list {
  display: grid;
  gap: 8px;
}

.faq-list summary {
  cursor: pointer;
  color: var(--navy);
  font-size: 18px;
  line-height: 1.45;
  font-weight: 700;
}

.faq-list p {
  margin-top: 7px;
}

.sticky-line {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 30;
  border-color: var(--red);
  background: var(--red);
  box-shadow: 0 10px 28px rgba(0,0,0,.18);
}

@media (max-width: 1180px) {
  .product-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .record-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  body {
    font-size: 15px;
    line-height: 1.52;
  }

  .site-header {
    position: static;
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 10px 16px;
  }

  nav {
    justify-content: flex-start;
    gap: 8px 12px;
    font-size: 14px;
  }

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

  .hero {
    min-height: auto;
  }

  .hero-media,
  .hero-media img,
  .hero-media video {
    min-height: 250px;
  }

  .hero-copy {
    gap: 12px;
    padding: 22px 16px 24px;
    border-left: 0;
  }

  h1 {
    font-size: clamp(32px, 9vw, 44px);
    line-height: 1.08;
  }

  .hero-copy .hero-subtitle {
    font-size: clamp(20px, 5.6vw, 26px);
    line-height: 1.24;
  }

  h2 {
    font-size: clamp(25px, 7vw, 34px);
    line-height: 1.14;
  }

  h3 {
    font-size: 20px;
  }

  .hero-copy p,
  .section-head p,
  .page-hero p,
  .product-hero p,
  .partner p,
	  .contact p {
	    color: #1f2937;
	    font-size: 15px;
	    line-height: 1.52;
	  }

  .hero-copy p {
    color: #eef4fb;
  }

  .section,
  .page-hero,
  .product-hero {
    padding: 22px 16px;
  }

	  .record-grid,
	  .record-grid.wide,
	  .channel-stack,
	  .product-grid,
  .answer-grid,
  .guide-link-grid,
  .two-column-list,
  .guide-grid,
  .role-grid,
  .role-grid.large,
  .spec-grid,
  .process-grid,
  .plan-grid,
  .detail-grid,
  .request-section {
    grid-template-columns: 1fr;
  }

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

  .product-card {
    grid-template-columns: 122px 1fr;
    gap: 10px;
    padding: 10px;
  }

  .record-card {
    padding: 10px;
  }

  .record-card-head strong {
    font-size: 20px;
  }

  .product-card p,
  .record-card p {
    font-size: 14px;
  }

  .actions a {
    width: 100%;
  }

  .sticky-line {
    left: 16px;
    right: 16px;
    bottom: 12px;
    min-height: 50px;
  }

  main {
    padding-bottom: 64px;
  }
}

@media (max-width: 520px) {
  .product-card {
    grid-template-columns: 1fr;
  }

  .product-card img {
    aspect-ratio: 16 / 9;
  }

  .record-media-grid {
    grid-template-columns: 1fr;
  }

  .record-grid.wide .record-media-grid {
    grid-template-columns: 1fr;
  }
}