@charset "UTF-8";

:root {
  --ink: #17233D;
  --muted: #687891;
  --blue: #2D63E8;
  --mint: #45B6A6;
  --coral: #F0785A;
  --paper: #F8FBFF;
  --white: #FFFFFF;
  --line: #DFE8F1;
  --hero-blue: #F1F8FF;
  --hero-mint: #EFFBF7;
  --contact-mint: #EAF7F4;
  --contact-blue: #EEF3FF;
  --shell: 1296px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
  line-height: 1.75;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; }
p, h1, h2, h3 { margin: 0; }
a { color: inherit; text-decoration: none; }
a, button, summary { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
button { font: inherit; cursor: pointer; }
img { display: block; max-width: 100%; height: auto; }
[hidden] { display: none !important; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--blue); outline-offset: 5px; }
a, button { transition: color 200ms, background 200ms, box-shadow 200ms, transform 200ms; }
.shell { width: min(var(--shell), calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: -100px; left: 16px; z-index: 30; padding: 12px 20px; border-radius: 10px; background: var(--ink); color: var(--white); }
.skip-link:focus { top: 12px; }

.site-header { background: var(--white); border-bottom: 1px solid var(--line); }
.nav-bar { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 24px; position: relative; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 22px; font-weight: 750; letter-spacing: -.045em; flex-shrink: 0; }
.brand-mark { width: 52px; height: 52px; object-fit: contain; }
nav { display: flex; align-items: center; gap: 32px; font-size: 15px; font-weight: 550; }
nav > a:not(.button) { display: flex; align-items: center; position: relative; min-height: 48px; }
nav a:hover, nav a[aria-current], .text-link:hover, .footer-link-group a:hover { color: var(--blue); }
nav > a[aria-current]::after { content: ""; position: absolute; width: 22px; height: 3px; border-radius: 2px; bottom: 0; left: calc(50% - 11px); background: var(--blue); }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 20px; min-height: 48px; padding: 16px 22px; border: 1px solid transparent; border-radius: 11px; font-size: 14px; font-weight: 600; line-height: 1.15; }
.primary { background: var(--blue); color: var(--white); box-shadow: 0 8px 18px rgba(45, 99, 232, .12); }
.primary:hover { background: #2355CE; color: var(--white); transform: translateY(-2px); }
.secondary { border-color: var(--line); background: rgba(255, 255, 255, .8); }
.secondary:hover { border-color: var(--blue); color: var(--blue); transform: translateY(-2px); }
.nav-contact { margin-left: 12px; }
.menu-toggle { display: none; }
.text-link { display: inline-flex; align-items: center; gap: 12px; min-height: 44px; color: var(--blue); font-size: 14px; font-weight: 600; }

.hero { margin-top: 40px; border: 1px solid var(--line); border-radius: 28px; background: linear-gradient(115deg, var(--hero-blue), #FAFCFF 46%, var(--hero-mint)); display: grid; grid-template-columns: 45% 55%; align-items: center; padding: 64px 48px; overflow: hidden; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { display: flex; align-items: center; gap: 9px; color: var(--blue); font-size: 13px; line-height: 1.7; font-weight: 650; letter-spacing: .04em; }
.status-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: var(--mint); flex-shrink: 0; }
.hero h1 { margin: 24px 0; font-size: clamp(46px, 4.5vw, 64px); line-height: 1.14; letter-spacing: -.065em; font-weight: 750; }
.accent { color: var(--blue); }
.lede { color: var(--muted); font-size: 17px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.hero-notes { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 24px; color: var(--muted); font-size: 12px; }
.hero-notes span::before { content: "✓"; color: var(--mint); margin-right: 6px; }
.hero-visual { min-width: 0; position: relative; padding: 12px 0 34px; }
.hero-image { width: 100%; border-radius: 24px; mix-blend-mode: multiply; }
.cat-bubble { position: absolute; top: 4%; right: 4%; background: rgba(255, 255, 255, .95); border: 1px solid var(--line); border-radius: 14px 14px 14px 4px; padding: 12px 16px; min-height: 44px; color: var(--ink); font-size: 12px; box-shadow: 0 12px 30px rgba(74, 103, 132, .08); }
.cat-bubble span { margin-left: 8px; color: var(--blue); }
.cat-bubble:hover { transform: translateY(-2px); }
.cat-message { position: absolute; top: 19%; right: 4%; width: min(280px, 88%); z-index: 2; border: 1px solid var(--line); border-radius: 14px; padding: 16px; background: var(--white); box-shadow: 0 12px 30px rgba(74, 103, 132, .1); font-size: 13px; color: var(--muted); }
.visual-caption { display: flex; align-items: center; justify-content: center; gap: 9px; color: var(--muted); font-size: 12px; margin-top: 4px; }
.principles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 24px; }
.principles > div { text-align: center; padding: 20px 12px; background: var(--white); border: 1px solid var(--line); border-radius: 16px; font-size: 14px; font-weight: 550; }

.section { padding-block: 96px 0; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 32px; }
.section-heading h2, .faq-section h2, .contact-banner h2 { font-size: 36px; letter-spacing: -.055em; font-weight: 700; line-height: 1.25; }
.section-heading h2 { margin-top: 12px; }
.section-heading > p { color: var(--muted); font-size: 15px; line-height: 1.8; }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.service-card { min-width: 0; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 22px; overflow: hidden; background: var(--white); box-shadow: 0 12px 30px rgba(74, 103, 132, .04); transition: transform 200ms, box-shadow 200ms; }
.service-card:hover { transform: translateY(-3px); box-shadow: 0 16px 35px rgba(74, 103, 132, .1); }
.service-card-copy { padding: 28px 24px 0; flex: 1; }
.card-top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.service-number { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; font-size: 15px; font-weight: 650; color: var(--blue); background: var(--contact-blue); }
.category { font-size: 12px; color: var(--muted); background: var(--paper); border-radius: 8px; padding: 4px 10px; }
.service-card:nth-child(2) .service-number { background: var(--contact-mint); color: #247F73; }
.service-card:nth-child(3) .service-number { background: #FFF2ED; color: #B54B33; }
.service-card h3 { font-size: 24px; line-height: 1.35; letter-spacing: -.04em; }
.service-card h3 a:hover { color: var(--blue); }
.service-summary { min-height: 81px; margin-top: 14px; color: var(--muted); font-size: 15px; line-height: 1.8; }
.card-scope { margin-block: 20px; color: var(--muted); font-size: 12px; line-height: 1.8; min-height: 66px; }
.card-scope p + p { margin-top: 6px; }
.card-scope span { color: #247F73; margin-right: 4px; }
.card-bottom { border-top: 1px dashed var(--line); padding-top: 20px; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.price { display: flex; align-items: baseline; gap: 2px; font-size: 30px; line-height: 1.3; font-weight: 700; letter-spacing: -.04em; font-variant-numeric: tabular-nums; }
.currency { font-size: 16px; font-weight: 550; }
.price small { font-size: 12px; letter-spacing: 0; font-weight: 400; color: var(--muted); margin-left: 6px; }
.service-link { min-height: 44px; display: inline-flex; align-items: center; gap: 8px; color: var(--blue); font-size: 13px; font-weight: 550; white-space: nowrap; }
.service-art { margin-top: 20px; display: flex; align-items: center; background: var(--paper); overflow: hidden; }
.service-art img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.service-card:last-child { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr 1fr; }
.service-card:last-child .service-card-copy { padding: 32px; }
.service-card:last-child .service-summary { min-height: 0; }
.service-card:last-child .card-scope { min-height: 0; }
.service-card:last-child .service-art { margin: 0; }
.service-card:last-child .service-art img { height: 100%; max-height: 390px; object-fit: cover; }
.catalog-note { margin-top: 20px; font-size: 12px; line-height: 1.8; color: var(--muted); }

.process-section { margin-top: 96px; background: linear-gradient(110deg, #F0F7FD, #F1F9F7); border-block: 1px solid var(--line); }
.process-section .section { padding-block: 64px; }
.process-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 32px; margin-top: 40px; }
.process-grid article { position: relative; }
.process-grid article:not(:last-child)::after { content: ""; border-top: 1px dashed #BECFE4; position: absolute; top: 22px; left: 62px; right: 0; }
.step-number { display: grid; place-items: center; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 14px; background: var(--white); color: var(--blue); font-size: 14px; font-weight: 600; margin-bottom: 20px; }
.process-grid h3 { font-size: 20px; line-height: 1.35; margin-bottom: 12px; }
.process-grid p { font-size: 14px; line-height: 1.8; color: var(--muted); }
.faq-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 72px; padding-bottom: 96px; }
.faq-section h2 { margin: 16px 0 24px; }
.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { padding: 24px 32px 24px 0; cursor: pointer; position: relative; list-style: none; font-size: 16px; font-weight: 550; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; position: absolute; right: 4px; top: 17px; color: var(--blue); font-size: 25px; font-weight: 400; }
details[open] summary::after { content: "−"; }
details > p { padding: 0 24px 24px 0; color: var(--muted); font-size: 14px; line-height: 1.85; }
details a, .detail-content a, .article-content a:not(.button) { color: var(--blue); text-decoration: underline; text-underline-offset: 4px; }

.contact-banner { border: 1px solid var(--line); border-radius: 28px; background: linear-gradient(110deg, var(--contact-mint), var(--contact-blue)); display: grid; grid-template-columns: 1fr 260px; align-items: center; gap: 48px; padding: 48px 64px; margin-bottom: 64px; overflow: hidden; }
.contact-banner h2 { margin: 16px 0; }
.contact-banner p:not(.eyebrow) { color: var(--muted); font-size: 16px; }
.contact-banner .button { margin-top: 24px; }
.contact-image { width: 240px; filter: drop-shadow(0 12px 24px rgba(74, 103, 132, .08)); }
.site-footer { background: var(--white); border-top: 1px solid var(--line); }
.footer-top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; padding-block: 56px 48px; }
.footer-brand { font-size: 20px; gap: 8px; }
.footer-top h2 { font-size: 15px; margin: 12px 0 16px; font-weight: 650; }
.footer-intro p, .footer-contact p { margin-block: 16px; color: var(--muted); font-size: 14px; }
.email-link { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; color: var(--blue); overflow-wrap: anywhere; }
.footer-link-group { display: flex; flex-direction: column; align-items: flex-start; }
.footer-link-group > a { display: flex; align-items: center; min-height: 44px; color: var(--muted); font-size: 14px; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px; border-top: 1px solid var(--line); padding-block: 24px; color: var(--muted); font-size: 12px; }
.footer-bottom a:hover { color: var(--blue); }

.detail-section, .article-section { max-width: 1120px; padding-block: 40px 80px; }
.back-link { display: inline-flex; align-items: center; min-height: 44px; color: var(--muted); font-size: 14px; margin-bottom: 32px; }
.back-link:hover { color: var(--blue); }
.detail-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 64px; align-items: start; }
.detail-title, .article-header h1 { font-size: 42px; line-height: 1.2; letter-spacing: -.055em; margin-block: 16px 24px; }
.detail-content { margin-top: 40px; }
.detail-content section, .article-content section { padding-block: 28px; border-top: 1px solid var(--line); }
.detail-content h2, .article-content h2 { font-size: 22px; line-height: 1.35; margin-bottom: 16px; }
.detail-content ul { margin: 0; padding-left: 22px; }
.detail-content li, .detail-content p, .article-content p { font-size: 16px; line-height: 1.8; color: var(--muted); overflow-wrap: anywhere; }
.detail-content li + li, .detail-content p + p, .article-content p + p { margin-top: 12px; }
.purchase-panel { position: sticky; top: 24px; border: 1px solid var(--line); background: var(--white); padding: 28px; border-radius: 22px; box-shadow: 0 12px 30px rgba(74, 103, 132, .06); }
.detail-price { font-size: 42px; margin-top: 24px; }
.price-caption { font-size: 12px; color: var(--muted); margin-block: 8px 24px; }
.panel-row { border-top: 1px dashed var(--line); padding-block: 16px; display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.panel-row > span { font-size: 12px; color: var(--muted); }
.panel-row strong { font-weight: 500; }
.purchase-panel .button { width: 100%; margin-block: 16px; }
.panel-note, .panel-policy { color: var(--muted); font-size: 12px; line-height: 1.8; }
.panel-policy { margin-top: 16px; }
.panel-policy a { color: var(--blue); }
.panel-email { display: block; border-top: 1px solid var(--line); margin-top: 20px; padding-top: 20px; font-size: 14px; color: var(--blue); overflow-wrap: anywhere; }
.article-header, .article-content { max-width: 720px; margin-inline: auto; }
.article-header { padding-bottom: 40px; }
.article-contact { border: 1px solid var(--line); border-radius: 22px; background: linear-gradient(120deg, var(--contact-mint), var(--contact-blue)); padding: 32px; margin-top: 24px; }
.article-contact .button { margin-top: 24px; }
.not-found { padding-block: 96px 128px; }
.not-found h1 { font-size: 42px; line-height: 1.2; letter-spacing: -.05em; margin-block: 24px; }
.not-found .button { margin-top: 32px; }

@media (min-width: 1500px) {
  .hero { padding: 72px 64px; }
  .hero h1 { font-size: 68px; }
}

@media (max-width: 1100px) and (min-width: 901px) {
  .shell { width: calc(100% - 64px); }
  nav { gap: 20px; font-size: 14px; }
  .brand { font-size: 19px; }
  .hero { padding: 48px 32px; }
  .hero h1 { font-size: 46px; }
  .hero .lede { font-size: 16px; }
  .service-card-copy { padding-inline: 20px; }
  .service-card h3 { font-size: 22px; }
  .card-bottom { align-items: flex-start; flex-direction: column; }
  .service-summary { min-height: 108px; }
  .card-scope { min-height: 88px; }
  .footer-top { gap: 24px; }
  .footer-brand { font-size: 17px; }
}

@media (max-width: 900px) {
  .shell { width: calc(100% - 32px); }
  .nav-bar { min-height: 72px; gap: 16px; }
  .brand { font-size: 19px; gap: 8px; }
  .brand-mark { width: 44px; height: 44px; }
  .menu-toggle { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; border: 1px solid var(--line); border-radius: 10px; background: var(--white); padding: 10px 14px; font-size: 13px; color: var(--ink); }
  .menu-toggle span { color: var(--blue); }
  nav { display: none; position: absolute; top: calc(100% + 8px); left: 0; right: 0; padding: 16px; border: 1px solid var(--line); border-radius: 16px; box-shadow: 0 12px 30px rgba(74, 103, 132, .1); background: var(--white); z-index: 10; }
  nav.is-open { display: flex; align-items: stretch; flex-direction: column; gap: 0; }
  nav > a:not(.button) { min-height: 48px; border-bottom: 1px solid var(--line); padding-inline: 8px; font-size: 14px; }
  nav > a[aria-current]::after { bottom: 8px; left: auto; right: 8px; }
  .nav-contact { margin: 12px 0 0; }
  .hero { margin-top: 16px; padding: 30px 24px 20px; grid-template-columns: 1fr; border-radius: 24px; gap: 24px; }
  .hero h1 { font-size: 42px; line-height: 1.14; margin-block: 20px; }
  .hero .lede { font-size: 15px; line-height: 1.8; }
  .eyebrow { font-size: 12px; }
  .hero-actions { gap: 8px; margin-top: 24px; }
  .button { font-size: 13px; padding: 15px 18px; gap: 12px; }
  .hero-notes { gap: 12px; font-size: 11px; margin-top: 20px; }
  .hero-visual { width: min(100%, 560px); margin-inline: auto; padding-bottom: 12px; }
  .hero-image { border-radius: 20px; }
  .cat-bubble { font-size: 11px; padding: 10px 12px; top: 0; right: 0; }
  .visual-caption { font-size: 11px; margin-top: 12px; }
  .principles { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 16px; }
  .principles > div { padding: 16px 8px; font-size: 13px; border-radius: 14px; }
  .section { padding-top: 74px; }
  .section-heading { flex-direction: column; align-items: flex-start; gap: 16px; margin-bottom: 24px; }
  .section-heading h2, .faq-section h2, .contact-banner h2 { font-size: 29px; line-height: 1.2; }
  .section-heading > p { font-size: 14px; }
  .section-heading > p br { display: none; }
  .service-grid { grid-template-columns: 1fr; gap: 16px; }
  .service-card { border-radius: 20px; }
  .service-card-copy { padding: 24px 24px 0; }
  .service-card h3 { font-size: 20px; }
  .service-summary { min-height: 0; font-size: 15px; margin-top: 12px; }
  .card-scope { min-height: 0; font-size: 13px; margin-block: 20px; }
  .service-art { max-height: 260px; }
  .service-art img { object-fit: contain; }
  .service-card:last-child { display: flex; grid-column: auto; }
  .service-card:last-child .service-card-copy { padding: 24px 24px 0; }
  .service-card:last-child .service-art { margin-top: 20px; }
  .service-card:last-child .service-art img { height: auto; }
  .catalog-note { font-size: 12px; }
  .process-section { margin-top: 74px; }
  .process-section .section { padding-block: 40px; }
  .process-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 24px; margin-top: 32px; }
  .process-grid article:nth-child(2)::after { display: none; }
  .process-grid h3 { font-size: 20px; }
  .process-grid p { font-size: 14px; }
  .faq-section { grid-template-columns: 1fr; gap: 24px; padding-bottom: 74px; }
  .faq-section h2 { margin-bottom: 16px; }
  .faq-section h2 br { display: none; }
  summary { font-size: 15px; padding-block: 22px; }
  details > p { font-size: 14px; }
  .contact-banner { grid-template-columns: 1fr; gap: 24px; padding: 32px 24px 24px; margin-bottom: 48px; border-radius: 24px; }
  .contact-banner p:not(.eyebrow) { font-size: 14px; }
  .contact-banner .button { max-width: 100%; font-size: 13px; }
  .contact-image { width: 180px; justify-self: center; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 24px; padding: 40px 8px 32px; }
  .footer-intro, .footer-contact { grid-column: 1 / -1; }
  .footer-brand { font-size: 20px; }
  .footer-top h2 { margin-top: 0; }
  .footer-intro p { margin-top: 12px; }
  .footer-bottom { padding-inline: 8px; flex-direction: column; gap: 8px; font-size: 11px; }
  .detail-section, .article-section { padding-block: 24px 56px; }
  .back-link { margin-bottom: 24px; }
  .detail-grid { grid-template-columns: 1fr; gap: 32px; }
  .detail-title, .article-header h1 { font-size: 29px; line-height: 1.2; margin-block: 16px 20px; }
  .lede { font-size: 15px; }
  .detail-content { margin-top: 24px; }
  .detail-content h2, .article-content h2 { font-size: 20px; }
  .detail-content li, .detail-content p, .article-content p { font-size: 15px; }
  .purchase-panel { position: static; padding: 24px; }
  .article-header { padding-bottom: 32px; }
  .article-contact { padding: 24px; }
  .not-found { padding-block: 64px; }
  .not-found h1 { font-size: 29px; }
}

@media (max-width: 360px) {
  .hero { padding-inline: 20px; }
  .hero h1 { font-size: 37px; }
  .hero-notes { gap: 8px; font-size: 10px; }
  .hero-actions .button { padding-inline: 12px; font-size: 12px; }
  .brand { font-size: 17px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}