:root {
  --scene-font: "Source Han Serif SC", "思源宋体 SC", "Noto Serif SC", "Noto Serif CJK SC", "STSong", "SimSun", serif;
  --scene-ink: #202124;
  --scene-navy: #102c4c;
  --scene-red: #b5222a;
  --scene-muted: #666a70;
  --scene-line: #e8eaed;
  --scene-soft: #f5f7f8;
}
* { box-sizing: border-box; }
html { overflow-x: hidden; overflow-x: clip; scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--scene-ink);
  background: #fff;
  font-family: var(--scene-font);
  font-size: 16px;
  line-height: 1.75;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}
body.scene-detail-page { overflow-x: hidden; overflow-x: clip; }
button, input, select, textarea { font: inherit; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.scene-skip {
  position: fixed; z-index: 20; top: 10px; left: 12px; padding: 9px 14px;
  color: #fff; background: var(--scene-navy); transform: translateY(-160%);
}
.scene-skip:focus { transform: translateY(0); }
.scene-topbar { border-bottom: 1px solid var(--scene-line); background: rgba(255,255,255,.97); }
.scene-topbar__inner {
  width: min(1280px, calc(100% - 48px)); min-height: 76px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.scene-brand { display: inline-flex; align-items: center; min-height: 44px; }
.scene-brand img { width: min(218px, 52vw); height: auto; }
.scene-back {
  display: inline-flex; align-items: center; gap: 10px; min-height: 42px;
  padding: 8px 0; color: var(--scene-navy); font-size: 14px;
  transition: color .18s ease;
}
.scene-back:hover { color: var(--scene-red); }
.scene-back__arrow { color: var(--scene-red); font-size: 19px; line-height: 1; }
.scene-back:focus-visible, .scene-brand:focus-visible, .scene-breadcrumb a:focus-visible,
.scene-end-link:focus-visible { outline: 3px solid #b5222a; outline-offset: 4px; }
.scene-main { width: min(1280px, calc(100% - 48px)); margin: 0 auto; }
.scene-breadcrumb {
  display: flex; align-items: center; flex-wrap: wrap; gap: 10px;
  margin: 24px 0 12px; color: #747980; font-size: 13px;
}
.scene-breadcrumb a:hover { color: var(--scene-red); }
.scene-breadcrumb__separator { color: #b9bdc1; }
.scene-breadcrumb [aria-current="page"] { color: var(--scene-ink); }
.scene-hero {
  display: grid; grid-template-columns: minmax(0, .92fr) minmax(0, 1.08fr);
  align-items: center; gap: clamp(32px, 5.5vw, 78px);
  padding: 28px 0 70px;
}
.scene-copy { max-width: 540px; }
.scene-kicker {
  display: flex; align-items: center; gap: 12px; margin: 0 0 22px;
  color: var(--scene-red); font-size: 13px; letter-spacing: .09em;
}
.scene-kicker::before { width: 30px; height: 1px; background: var(--scene-red); content: ""; }
.scene-title {
  margin: 0; color: #000; font-size: clamp(48px, 6vw, 72px);
  font-weight: 600; letter-spacing: .035em; line-height: 1.18;
}
.scene-headline {
  max-width: 500px; margin: 20px 0 13px; color: var(--scene-ink);
  font-size: clamp(20px, 2.1vw, 27px); font-weight: 500; line-height: 1.55;
}
.scene-summary {
  max-width: 500px; margin: 0; color: var(--scene-muted);
  font-size: 16px; line-height: 1.95;
}
.scene-visual {
  position: relative; margin: 0; overflow: hidden; border-radius: 18px;
  background: var(--scene-soft); aspect-ratio: 1.42 / 1;
}
.scene-visual img {
  width: 100%; height: 100%; object-fit: cover;
  animation: scene-image-in .7s ease-out both;
}
@keyframes scene-image-in {
  from { opacity: .35; transform: scale(1.018); }
  to { opacity: 1; transform: scale(1); }
}
.scene-content { padding: 58px 0 74px; border-top: 1px solid var(--scene-line); }
.scene-content__heading { max-width: 740px; margin-bottom: 34px; }
.scene-content__eyebrow { margin: 0 0 10px; color: var(--scene-red); font-size: 13px; }
.scene-content__title {
  margin: 0; color: #000; font-size: clamp(28px, 3.2vw, 38px);
  font-weight: 600; letter-spacing: .02em; line-height: 1.45;
}
.scene-focus {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--scene-line); border-bottom: 1px solid var(--scene-line);
}
.scene-focus article { min-width: 0; padding: 25px 28px 27px 0; }
.scene-focus article + article { padding-left: 28px; border-left: 1px solid var(--scene-line); }
.scene-focus__number { color: var(--scene-red); font-size: 12px; letter-spacing: .08em; }
.scene-focus h3 { margin: 10px 0 8px; color: var(--scene-ink); font-size: 21px; font-weight: 600; line-height: 1.45; }
.scene-focus p { margin: 0; color: var(--scene-muted); font-size: 14px; line-height: 1.9; }
.scene-direction {
  display: grid; grid-template-columns: minmax(150px, .28fr) minmax(0, 1fr);
  align-items: start; gap: 28px; margin-top: 32px; padding: 22px 26px;
  background: var(--scene-soft);
}
.scene-direction h3 { margin: 0; color: var(--scene-navy); font-size: 17px; font-weight: 600; }
.scene-direction p { margin: 0; color: #50565d; font-size: 14px; line-height: 1.9; }
.scene-end {
  display: flex; justify-content: flex-end; padding: 0 0 48px;
}
.scene-end-link { color: var(--scene-red); font-size: 14px; }
.scene-end-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.scene-detail-page .header { z-index: 40; }
.scene-detail-page .scene-skip { z-index: 60; }
.scene-detail-page .scene-main { padding-top: 0; }
.scene-detail-page .scene-breadcrumb { margin-top: 18px; }
.scene-anchor-nav {
  position: sticky; top: 74px; z-index: 25; width: 100vw;
  margin: 0 0 0 calc(50% - 50vw); border-block: 1px solid var(--scene-line);
  background: rgba(255,255,255,.96); backdrop-filter: blur(14px);
}
.scene-anchor-nav__inner {
  width: min(1280px, calc(100% - 48px)); min-height: 54px; margin: 0 auto;
  display: flex; align-items: stretch; gap: clamp(22px, 4vw, 46px); overflow-x: auto;
  scrollbar-width: none;
}
.scene-anchor-nav__inner::-webkit-scrollbar { display: none; }
.scene-anchor-nav a {
  position: relative; display: inline-flex; flex: 0 0 auto; align-items: center;
  color: #666a70; font-size: 14px; transition: color .18s ease;
}
.scene-anchor-nav a::after {
  position: absolute; right: 0; bottom: 0; left: 0; height: 2px;
  background: var(--scene-red); content: ""; transform: scaleX(0); transform-origin: left;
  transition: transform .18s ease;
}
.scene-anchor-nav a:hover, .scene-anchor-nav a:focus-visible { color: var(--scene-red); }
.scene-anchor-nav a:hover::after, .scene-anchor-nav a:focus-visible::after { transform: scaleX(1); }
.scene-anchor-nav a:focus-visible { outline: 3px solid var(--scene-red); outline-offset: 4px; }
.scene-delivery {
  width: 100vw; margin-left: calc(50% - 50vw); padding: clamp(48px, 6vw, 78px) 0;
  background: #f6f6f4;
}
.scene-delivery__inner {
  width: min(1280px, calc(100% - 48px)); margin: 0 auto;
  display: grid; grid-template-columns: minmax(220px, .78fr) minmax(0, 1.7fr); gap: clamp(36px, 7vw, 92px);
  align-items: start;
}
.scene-delivery__intro { max-width: 400px; }
.scene-cta__eyebrow {
  margin: 0 0 12px; color: var(--scene-red); font-size: 11px; letter-spacing: .2em;
}
.scene-delivery__title, .scene-cases__title {
  margin: 0; color: #000; font-size: clamp(27px, 3vw, 38px); font-weight: 800; line-height: 1.4;
}
.scene-delivery__lead { margin: 14px 0 0; color: var(--scene-muted); font-size: 14px; line-height: 1.9; }
.scene-delivery__steps {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px;
  margin: 0; padding: 0; list-style: none;
}
.scene-delivery__steps li { padding-top: 17px; border-top: 1px solid #d9dcde; }
.scene-delivery__steps span { display: block; color: var(--scene-red); font-size: 12px; letter-spacing: .12em; }
.scene-delivery__steps h3 { margin: 9px 0 6px; color: var(--scene-ink); font-size: 18px; font-weight: 800; }
.scene-delivery__steps p { margin: 0; color: var(--scene-muted); font-size: 13px; line-height: 1.85; }
.scene-cases__link:hover { text-decoration: underline; text-underline-offset: 4px; }
.scene-cases {
  width: 100vw; margin-left: calc(50% - 50vw); padding: 38px 0;
  border-top: 1px solid var(--scene-line); background: #fff;
}
.scene-cases__inner {
  width: min(1280px, calc(100% - 48px)); margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: 28px;
}
.scene-cases__title { font-size: clamp(23px, 2.5vw, 30px); }
.scene-cases__copy { margin: 7px 0 0; color: var(--scene-muted); font-size: 14px; }
.scene-cases__link { display: inline-flex; flex: 0 0 auto; align-items: center; gap: 14px; color: var(--scene-ink); font-size: 15px; }
.scene-cta {
  position: relative; isolation: isolate; display: flex; min-height: 270px; align-items: center;
  width: 100vw; margin-left: calc(50% - 50vw); overflow: hidden; color: var(--scene-ink); background: #edf1f2;
}
.scene-cta__image, .scene-cta__shade { position: absolute; z-index: -1; inset: 0; width: 100%; height: 100%; }
.scene-cta__image { object-fit: cover; animation: none; }
.scene-cta__shade { background: linear-gradient(90deg, rgba(255,255,255,.78), rgba(255,255,255,.56) 48%, rgba(255,255,255,.22)); }
.scene-cta__inner {
  width: min(1280px, calc(100% - 48px)); margin: 0 auto; padding: 46px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
}
.scene-cta__copy { max-width: 660px; }
.scene-cta__eyebrow { color: var(--scene-red); }
.scene-cta__title { margin: 0; color: var(--scene-ink); font-size: clamp(28px, 3.4vw, 42px); font-weight: 800; line-height: 1.35; }
.scene-cta__summary { margin: 10px 0 0; color: #3f454b; font-size: 15px; }
.scene-cta__actions { display: flex; flex: 0 0 auto; flex-wrap: wrap; gap: 12px; }
.scene-cta__actions .button { min-height: 48px; }
.scene-cta__actions .button-light { border-color: var(--scene-red); background: var(--scene-red); color: #fff; }
.scene-cta__actions .button-light:hover { border-color: #8e171d; background: #8e171d; }
.scene-cta__secondary {
  display: inline-flex; min-height: 48px; align-items: center; justify-content: center; padding: 0 20px;
  border: 1px solid rgba(16,44,76,.48); background: rgba(255,255,255,.82); color: var(--scene-navy); font-size: 14px; transition: background .18s ease, color .18s ease;
}
.scene-cta__secondary:hover { color: #fff; background: var(--scene-navy); }
.scene-cta__caption { position: absolute; right: 24px; bottom: 14px; padding: 2px 7px; border-radius: 2px; color: rgba(32,33,36,.84); background: rgba(255,255,255,.8); font-size: 11px; }
.scene-cta :is(a, .scene-cta__title):focus-visible { outline: 3px solid var(--scene-red); outline-offset: 4px; }
.scene-footer { padding-top: 22px !important; background: #b62326 !important; color: #fff; }
.scene-footer .footer-grid { padding-top: 0; padding-bottom: 22px; }
.scene-footer .footer-grid h3 { margin-bottom: 9px; line-height: 1.5; }
.scene-footer .footer-grid a:not(.brand) { margin: 3px 0; font-size: 12px; line-height: 1.5; }
.scene-footer .footer-grid > div:first-child > p { margin-top: 12px; font-size: 12px; line-height: 1.6; }
.scene-footer .footer-grid > div:last-child > p { font-size: 12px; line-height: 1.6; }
.scene-footer .footer-bottom { min-height: 46px; }
.scene-footer .footer-bottom a { margin: 0; font-size: 11px; line-height: 1.45; }
.scene-footer .footer-brand b, .scene-footer .footer-grid h3 { color: #fff !important; }
.scene-footer .footer-brand-block p, .scene-footer .footer-grid a:not(.brand), .scene-footer .footer-contact address,
.scene-footer .footer-bottom { color: rgba(255,255,255,.82) !important; }
.scene-footer .footer-grid a:hover, .scene-footer .footer-bottom a:hover { color: #fff !important; }
.scene-footer .footer-bottom { border-color: rgba(255,255,255,.28) !important; }
.scene-footer :is(a, button):focus-visible { outline: 3px solid #fff; outline-offset: 4px; }
@media (max-width: 820px) {
  .scene-hero { grid-template-columns: 1fr; gap: 28px; padding-top: 18px; padding-bottom: 50px; }
  .scene-copy { max-width: 680px; }
  .scene-title { font-size: clamp(44px, 9vw, 64px); }
  .scene-visual { width: 100%; max-height: 490px; }
}
@media (max-width: 620px) {
  .scene-detail-page .scene-main { padding-top: 0; }
  .scene-anchor-nav { top: 68px; }
  .scene-anchor-nav__inner { width: calc(100% - 36px); min-height: 49px; gap: 24px; }
  .scene-anchor-nav a { font-size: 13px; }
  .scene-delivery { padding: 42px 0; }
  .scene-delivery__inner { width: calc(100% - 36px); grid-template-columns: 1fr; gap: 25px; }
  .scene-delivery__steps { grid-template-columns: 1fr; gap: 17px; }
  .scene-delivery__steps li { padding-top: 13px; }
  .scene-delivery__steps h3 { margin: 5px 0; }
  .scene-cases { padding: 29px 0; }
  .scene-cases__inner { width: calc(100% - 36px); align-items: flex-start; flex-direction: column; gap: 16px; }
  .scene-cta { min-height: 310px; }
  .scene-cta__inner { width: calc(100% - 36px); align-items: flex-start; flex-direction: column; gap: 22px; padding: 38px 0 48px; }
  .scene-cta__title { font-size: 30px; }
  .scene-cta__summary { max-width: 330px; font-size: 14px; }
  .scene-cta__actions { width: 100%; }
  .scene-cta__actions .button, .scene-cta__secondary { min-height: 44px; padding-inline: 15px; }
  .scene-cta__caption { right: 18px; bottom: 10px; }
  .scene-footer { padding-top: 18px !important; }
  .scene-footer .footer-grid { padding-top: 0; padding-bottom: 16px; gap: 16px 18px; }
  .scene-footer .footer-bottom { min-height: 0; padding: 10px 0 8px; }
  .scene-footer .footer-bottom > * { margin-block: 2px; }
  .scene-footer .footer-bottom div { margin-top: 7px; gap: 10px; }
  .scene-topbar__inner, .scene-main { width: min(100% - 36px, 1280px); }
  .scene-topbar__inner { min-height: 66px; gap: 10px; }
  .scene-brand img { width: min(174px, 46vw); }
  .scene-back { gap: 6px; font-size: 13px; white-space: nowrap; }
  .scene-breadcrumb { margin: 18px 0 8px; gap: 8px; font-size: 12px; }
  .scene-hero { gap: 22px; padding: 18px 0 40px; }
  .scene-kicker { margin-bottom: 14px; font-size: 12px; }
  .scene-title { font-size: clamp(42px, 12vw, 56px); }
  .scene-headline { margin: 14px 0 8px; font-size: 20px; }
  .scene-summary { font-size: 14px; line-height: 1.85; }
  .scene-visual { border-radius: 12px; aspect-ratio: 1.18 / 1; }
  .scene-content { padding: 38px 0 42px; }
  .scene-content__heading { margin-bottom: 20px; }
  .scene-content__title { font-size: 27px; }
  .scene-focus { grid-template-columns: 1fr; }
  .scene-focus article, .scene-focus article + article { padding: 18px 0; border-left: 0; }
  .scene-focus article + article { border-top: 1px solid var(--scene-line); }
  .scene-focus h3 { margin: 6px 0 5px; font-size: 19px; }
  .scene-focus p { font-size: 13px; }
  .scene-direction { grid-template-columns: 1fr; gap: 7px; margin-top: 22px; padding: 18px; }
  .scene-end { padding-bottom: 30px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scene-visual img { animation: none; }
  .scene-back, .scene-anchor-nav a { transition: none; }
  .scene-anchor-nav a::after { transition: none; }
}