/* Generated by scripts/build-page-styles.py; edit the source styles. */
/* Source: styles.css */
:root{--bg: #f4f6f8;
  --surface: #ffffff;
  --surface-soft: #eef2f5;
  --ink: #111a24;
  --ink-soft: #5b6878;
  --line: #d7dee6;
  --accent: #006d77;
  --accent-dark: #0d3b4a;
  --max: 1200px;}
*{box-sizing: border-box;}
html,body{margin: 0;
  padding: 0;
  overflow-x: hidden;}
body{font-family: "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;}
img,video{max-width: 100%;}
a{color: inherit;}
.topbar{position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(1rem, 3vw, 2.8rem);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(17, 26, 36, 0.08);
  backdrop-filter: blur(10px);}
.brand{display: inline-flex;
  align-items: center;
  gap: 0.72rem;
  text-decoration: none;}
.brand small{display: block;
  margin-top: 0.08rem;
  color: var(--ink-soft);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;}
.desktop-nav{display: inline-flex;
  gap: clamp(0.9rem, 2vw, 1.5rem);}
.desktop-nav a{text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.92rem;
  font-weight: 700;}
.desktop-nav a:hover,.desktop-nav a.active{color: var(--ink);}
.menu-btn{position: relative;
  width: 2.35rem;
  height: 2.35rem;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  border: 1px solid rgba(17, 26, 36, 0.14);
  background: #fff;}
.menu-btn span{position: absolute;
  left: 50%;
  top: 50%;
  width: 1rem;
  height: 2px;
  margin: 0;
  background: var(--ink);
  transition: transform 0.2s ease;}
.menu-btn span:first-child{transform: translate(-50%, calc(-50% - 4px));}
.menu-btn span:last-child{transform: translate(-50%, calc(-50% + 4px));}
.menu-btn.is-open span:first-child{transform: translate(-50%, -50%) rotate(45deg);}
.menu-btn.is-open span:last-child{transform: translate(-50%, -50%) rotate(-45deg);}
.mobile-menu{position: fixed;
  inset: 72px 0 auto;
  z-index: 40;
  display: grid;
  gap: 0.45rem;
  padding: 0.85rem 1rem 1rem;
  background: rgba(255, 255, 255, 0.98);
  border-bottom: 1px solid var(--line);
  transform: translateY(-120%);
  transition: transform 0.25s ease;}
.mobile-menu.is-open{transform: translateY(0);}
.mobile-menu a{text-decoration: none;
  font-weight: 700;
  padding: 0.25rem 0;}
main,.sub-main{padding-top: 72px;}
.section,.detail-hero{width: min(var(--max), calc(100% - 2.4rem));
  margin-left: auto;
  margin-right: auto;}
.detail-hero{padding: clamp(3rem, 7vw, 5.5rem) 0;}
.detail-hero{display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.9fr);
  gap: clamp(1.5rem, 4vw, 3.25rem);
  align-items: center;}
.detail-hero-body,.detail-hero-media{opacity: 1;
  transform: none;}
body.is-loaded .detail-hero-body,body.is-loaded .detail-hero-media{opacity: 1;
  transform: translateY(0);
  animation: legacy-hero-in 0.7s ease both;}
@keyframes legacy-hero-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: translateY(0); }
}
h1,h2,h3{margin: 0;
  font-family: "Noto Sans SC", sans-serif;
  line-height: 1.18;}
h1{font-size: 3.75rem;
  max-width: 12ch;}
h2{font-size: 2.35rem;}
.hero-text,.section-intro{color: var(--ink-soft);}
.hero-text{margin: 1rem 0 0;
  max-width: 52ch;}
.detail-hero-media{background: var(--surface);
  border: 1px solid var(--line);}
.detail-hero-media img{width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;}
.section{padding: clamp(3.2rem, 7vw, 5.4rem) 0;
  border-top: 1px solid rgba(17, 26, 36, 0.05);}
.section-head{display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.6rem;}
.clean-head .section-intro{max-width: 34rem;
  margin: 0;}
.detail-hero{padding-bottom: 2.5rem;}
.breadcrumb{margin: 0 0 0.9rem;
  color: var(--ink-soft);
  font-size: 0.9rem;}
.breadcrumb a{color: var(--accent-dark);
  text-decoration: none;}
.detail-media-layout{display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(260px, 0.75fr);
  gap: 1rem;}
.video-feature,.media-still{margin: 0;
  background: var(--surface);
  border: 1px solid var(--line);}
.video-feature video{width: 100%;
  display: block;
  background: #0e1722;}
.video-feature figcaption{padding: 0.8rem 1rem 0.95rem;
  color: var(--ink-soft);
  font-size: 0.92rem;}
.media-column{display: grid;
  gap: 1rem;}
.media-still img{width: 100%;
  aspect-ratio: 16 / 10;
  display: block;
  object-fit: cover;}
.media-still video{width: 100%;
  aspect-ratio: 16 / 10;
  display: block;
  object-fit: cover;
  background: #0e1722;}
.page-logistics{--accent: #f57c00;
  --accent-dark: #252b33;
  background: #f7f7f7;}
.page-3d{--accent: #4b63ff;
  --accent-dark: #15214e;
  background: #f4f7fb;}
.page-case{background: #f6f7f9;}
.case-story-grid{display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;}
.story-card{padding: 1.2rem;
  border: 1px solid var(--line);
  background: var(--surface);}
.story-card h2{font-size: 1.2rem;}
.story-card p,.story-card ul{margin: 0.75rem 0 0;
  color: var(--ink-soft);}
.story-card ul{padding-left: 1.15rem;}
.case-solution{padding: 1.25rem;
  border: 1px solid var(--line);
  background: var(--surface);}
.case-solution p{margin: 0;
  color: var(--ink-soft);}
.desktop-nav{gap: clamp(0.65rem, 1.2vw, 1.05rem);}
.desktop-nav a{white-space: nowrap;}
.capability-rail{display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);}
.capability-rail-item{padding: 1.35rem 1.15rem 1.4rem;
  background: var(--surface);}
.capability-number{display: inline-block;
  margin-bottom: 0.8rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;}
.capability-rail-item h3{font-size: 1.08rem;}
.capability-rail-item p{margin: 0.65rem 0 0;
  color: var(--ink-soft);}
.capability-rail-item ul{margin: 0.95rem 0 0;
  padding-left: 1.05rem;
  color: var(--ink);}
.capability-rail-item li + li{margin-top: 0.3rem;}
@media (max-width: 1080px) {
.capability-rail{grid-template-columns: repeat(2, minmax(0, 1fr));}
.detail-media-layout{grid-template-columns: 1fr;}
.case-story-grid{grid-template-columns: 1fr;}
}
@media (max-width: 900px) {
.detail-hero{grid-template-columns: 1fr;}
}
@media (max-width: 760px) {
.topbar{height: 64px;}
main,.sub-main{padding-top: 64px;}
.desktop-nav{display: none;}
.menu-btn{display: grid;}
.mobile-menu{inset: 64px 0 auto;}
h1{max-width: none;
    font-size: 2.35rem;}
.section-head{align-items: start;
    flex-direction: column;}
.capability-rail{grid-template-columns: 1fr;}
}
@media (prefers-reduced-motion: reduce) {
*,*::before,*::after{animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;}
}
@media (max-width: 1100px) {
.desktop-nav{display: none;}
.menu-btn{display: grid;}
}
.mobile-contact-bar{position: fixed;
  left: 0.75rem;
  right: 0.75rem;
  bottom: 0.75rem;
  z-index: 60;
  display: none;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  padding: 0.55rem;
  border: 1px solid rgba(17, 26, 36, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 18px 42px rgba(17, 26, 36, 0.18);
  backdrop-filter: blur(12px);}
.mobile-contact-bar a{display: inline-flex;
  min-height: 2.6rem;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 800;}
.mobile-contact-bar a:first-child{background: var(--accent-dark);
  color: #fff;}
.mobile-contact-bar a:last-child{color: var(--ink);
  background: var(--surface-soft);}
@media (max-width: 760px) {
body{padding-bottom: 4.75rem;}
.section,.detail-hero{width: min(var(--max), calc(100% - 1.25rem));}
.hero-text{max-width: none;}
.mobile-contact-bar{display: grid;}
}
:root{--bg: #f4f6f8;
  --surface: #ffffff;
  --surface-soft: #edf2f4;
  --ink: #111a24;
  --ink-soft: #566373;
  --line: #d4dce4;
  --accent: #006d77;
  --accent-dark: #064854;
  --status: #c06a22;
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 8px;
  --space-page: clamp(1.25rem, 4vw, 3.75rem);
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-latin: "Manrope", "Noto Sans SC", sans-serif;}
body{font-family: var(--font-body);
  background: var(--bg);
  letter-spacing: 0;}
h1,h2,h3{font-family: var(--font-latin);
  letter-spacing: 0;}
:focus-visible{outline: 3px solid rgba(0, 109, 119, 0.38);
  outline-offset: 3px;}
.topbar{height: 68px;
  padding: 0 var(--space-page);
  background: rgba(255, 255, 255, 0.96);
  border-bottom-color: rgba(17, 26, 36, 0.1);
  backdrop-filter: blur(14px);}
main,.sub-main{padding-top: 68px;}
.brand small{letter-spacing: 0;
  text-transform: none;}
.desktop-nav{align-items: center;
  gap: clamp(0.55rem, 1vw, 0.9rem);}
.desktop-nav a{display: inline-flex;
  min-height: 2.25rem;
  align-items: center;
  padding: 0 0.2rem;
  font-size: 0.9rem;
  letter-spacing: 0;}
.menu-btn,.mobile-contact-bar,.mobile-contact-bar a{border-radius: var(--radius-md);}
.section{padding: clamp(3.1rem, 6vw, 5.8rem) 0;
  border-top-color: rgba(17, 26, 36, 0.08);}
.section-head{margin-bottom: clamp(1.35rem, 2.5vw, 2.1rem);}
.section h2{max-width: 18ch;
  font-size: clamp(2rem, 4.2vw, 4.1rem);
  line-height: 1.06;}
.section-intro{color: var(--ink-soft);}
@media (max-width: 1080px) {
.desktop-nav{display: none;}
.menu-btn{display: grid;}
}
@media (max-width: 760px) {
.topbar{height: 64px;
    padding: 0 1rem;}
main,.sub-main{padding-top: 64px;}
.brand small{display: none;}
.mobile-menu{inset: 64px 0 auto;
    padding: 0.9rem 1rem 1.15rem;}
.mobile-menu a{min-height: 2.65rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(17, 26, 36, 0.08);}
.section h2{font-size: clamp(1.9rem, 8vw, 2.55rem);}
}
@media (prefers-reduced-motion: reduce) {
[data-reveal],.detail-hero-body,.detail-hero-media{opacity: 1 !important;
    transform: none !important;
    animation: none !important;}
}
@media (max-width: 1100px) {
html:not(.legacy-menu-ready) .menu-btn{display: none !important;}
html:not(.legacy-menu-ready) .mobile-menu{position: static;
    inset: auto;
    transform: none;}
}
/* Source: site-v3.css */
:root{--yt-ink:var(--color-ink, #172334); --yt-muted:var(--color-muted, #526273);
 --yt-line:var(--color-rule, #d7dfe8); --yt-paper:var(--color-paper, #fff);
 --yt-ground:var(--color-ground, #f3f6fa); --yt-blue:var(--color-brand, #2053b6);
 --yt-cyan:var(--color-brand, #2053b6); --yt-orange:var(--color-focus, #a34712);
 --yt-max:var(--content-max, 1280px);}
body.site-v3{background: var(--yt-paper);
  color: var(--yt-ink);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.6;}
.site-v3 main{padding-top: 0 !important;}
.site-v3 *,.site-v3 *::before,.site-v3 *::after{box-sizing: border-box;}
.site-v3 a{color: inherit; text-decoration: none;}
.site-v3 img{display: block; max-width: 100%;}
.site-v3 button{font: inherit;}
.site-v3 .topbar{position: relative; z-index: 30; height:auto; padding:0; min-height: 78px; border-bottom: 1px solid #e1e6e9; background: #fff;}
.site-v3 .topbar-inner{width: min(var(--yt-max), calc(100% - var(--page-gutter, 32px) * 2)); min-height: 78px; margin: 0 auto; display: flex; flex-wrap:wrap; align-items: center; justify-content: space-between; gap: 24px;}
.site-v3 .brand{display: inline-flex; align-items: center; min-width: 190px; min-height: 44px; gap: 12px; font-size: 17px; font-weight: 800; letter-spacing: 0;}
.site-v3 .brand img{width: 37px; height: 37px; object-fit: contain;}
.site-v3 .main-nav{display: flex; flex-wrap:wrap; align-items: center; gap: 29px; font-size: 15px;}
.site-v3 .main-nav a{position: relative; display:inline-flex; align-items:center; justify-content:center; min-width:44px; white-space:nowrap; padding: 29px 0 26px; color: #28343d;}
.site-v3 .main-nav a::after{content: ""; position: absolute; left: 0; right: 0; bottom: 20px; height: 2px; background: var(--yt-orange); transform: scaleX(0); transform-origin: left; transition: transform .22s ease;}
.site-v3 .main-nav a:hover::after,.site-v3 .main-nav a:is([aria-current="page"], [aria-current="true"])::after{transform: scaleX(1);}
.site-v3 .v3-consult{display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 18px; border: 1px solid var(--yt-ink); border-radius: var(--radius-control); background: var(--yt-ink); color: #fff; font-size: 14px; font-weight: 700; transition: background .2s ease, border-color .2s ease;}
.site-v3 .v3-consult:hover{background: var(--yt-orange); border-color: var(--yt-orange);}
.site-v3 .menu-toggle{position: relative; display: none; width: 44px; height: 44px; padding: 0; border: 1px solid var(--yt-line); border-radius: 4px; background: transparent; color: var(--yt-ink); font-size: 0;}
.site-v3 .menu-toggle::before,.site-v3 .menu-toggle::after{content: ""; position: absolute; left: 50%; top: 50%; width: 17px; height: 2px; background: currentColor; transition: transform .2s ease;}
.site-v3 .menu-toggle::before{transform: translate(-50%, -4px);}
.site-v3 .menu-toggle::after{transform: translate(-50%, 4px);}
.site-v3 .menu-toggle.is-open::before{transform: translate(-50%, 0) rotate(45deg);}
.site-v3 .menu-toggle.is-open::after{transform: translate(-50%, 0) rotate(-45deg);}
.site-v3 .v3-footer{padding: 29px 0; background: #0a1118; color: #aebbc1; font-size: 13px;}
.site-v3 .v3-footer-inner{width: min(var(--yt-max), calc(100% - var(--page-gutter, 32px) * 2)); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 20px;}
.site-v3 a:focus-visible,.site-v3 button:focus-visible{outline: 3px solid #ff9c63; outline-offset: 4px;}
@media (max-width: 1080px) {
.site-v3 .main-nav{gap: 18px;}
.site-v3 .brand{min-width: auto; font-size: 15px;}
}
@media (max-width: 1080px) {
.site-v3 .menu-toggle{display: block;}
.site-v3 .main-nav{position: absolute; top: 78px; left: 0; right: 0; display: none; padding: 12px 32px 22px; border-bottom: 1px solid #ced8dc; background: #fff; box-shadow: 0 12px 22px rgba(16,25,35,.1);}
.site-v3 .main-nav.is-open{display: grid;}
.site-v3 .main-nav a{min-height: 46px; padding: 12px 0; color: var(--yt-ink);}
.site-v3 .main-nav a::after{display: none;}
.site-v3 .topbar .v3-consult{display: none;}
}
@media (max-width: 760px) {
.site-v3 .topbar-inner,.site-v3 .v3-footer-inner{width: min(100% - 36px, var(--yt-max));}
.site-v3 .topbar,.site-v3 .topbar-inner{min-height: 66px;}
.site-v3 .brand{gap: 8px; font-size: 14px;}
.site-v3 .brand img{width: 31px; height: 31px;}
.site-v3 .menu-toggle{display: block;}
.site-v3 .main-nav{position: absolute; top: 66px; left: 0; right: 0; display: none; padding: 12px 18px 22px; border-bottom: 1px solid #ced8dc; background: #fff; box-shadow: 0 12px 22px rgba(16,25,35,.1);}
.site-v3 .main-nav.is-open{display: grid;}
.site-v3 .main-nav a{padding: 12px 0; color: var(--yt-ink);}
.site-v3 .main-nav a::after{display: none;}
.site-v3 .topbar .v3-consult{display: none;}
.site-v3 .v3-footer-inner{align-items: flex-start; flex-direction: column;}
}
@media (prefers-reduced-motion: reduce) {
.site-v3 *,.site-v3 *::before,.site-v3 *::after{scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important;}
}
@media (max-width: 1080px) {
html:not(.menu-ready) .site-v3 .menu-toggle{display: none !important;}
html:not(.menu-ready) .site-v3 .main-nav{display: grid;}
}
/* Source: case-detail-v3.css */
:root{--case-ink: #101923;
  --case-muted: #62717d;
  --case-line: #d8e0e5;
  --case-paper: #ffffff;
  --case-ground: #f3f5f6;
  --case-orange: #ef6b2e;
  --case-cyan: #00a6b4;
  --case-max: 1320px;}
body.case-detail-v3{margin: 0;
  background: var(--case-paper);
  color: var(--case-ink);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;}
.case-detail-v3 *,.case-detail-v3 *::before,.case-detail-v3 *::after{box-sizing: border-box;}
.case-detail-v3 img,.case-detail-v3 video{display: block; max-width: 100%;}
.case-detail-v3 a{color: inherit;}
.case-detail-v3 .sub-main{padding-top: 0;}
.case-detail-v3 [data-reveal]{opacity: 1 !important; transform: none !important;}
.case-detail-v3 .mobile-contact-bar{display: none !important;}
.case-detail-v3 .topbar{position: relative;
  z-index: 20;
  width: 100%;
  min-height: 78px;
  padding: 0 max(32px, calc((100vw - var(--case-max)) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  border-bottom: 1px solid var(--case-line);
  background: #fff;}
.case-detail-v3 .brand{display: inline-flex; align-items: center; gap: 11px; flex: 0 0 auto;}
.case-detail-v3 .brand span{display: block; line-height: 1;}
.case-detail-v3 .brand small{display: none;}
.case-detail-v3 .desktop-nav{display: flex; align-items: center; gap: 28px; margin-left: auto;}
.case-detail-v3 .desktop-nav a{position: relative; padding: 28px 0 25px; color: #28343d; font-size: 15px; font-weight: 600; text-decoration: none;}
.case-detail-v3 .desktop-nav a::after{content: ""; position: absolute; left: 0; right: 0; bottom: 19px; height: 2px; background: var(--case-orange); transform: scaleX(0); transform-origin: left; transition: transform .22s ease;}
.case-detail-v3 .desktop-nav a:hover::after,.case-detail-v3 .desktop-nav a.active::after{transform: scaleX(1);}
.case-detail-v3 .desktop-nav a:last-child{min-height: 42px; padding: 9px 17px; border: 1px solid var(--case-ink); border-radius: 3px; background: var(--case-ink); color: #fff;}
.case-detail-v3 .desktop-nav a:last-child::after{display: none;}
.case-detail-v3 .menu-btn{display: none;}
.case-detail-v3 .detail-hero-media{position: relative;}
.case-detail-v3 .detail-hero{width: min(var(--case-max), calc(100% - 64px));
  margin: 0 auto;
  padding: 82px 0 60px;
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(420px, 1.05fr);
  gap: 72px;
  align-items: center;
  background: transparent;}
.case-detail-v3 .detail-hero-body{padding: 0;}
.case-detail-v3 .breadcrumb{margin: 0 0 20px; color: var(--case-muted); font-size: 14px;}
.case-detail-v3 .breadcrumb a{text-decoration: underline; text-decoration-color: #b7c1c7; text-underline-offset: 4px;}
.case-detail-v3 .detail-hero h1{max-width: 720px; margin: 0; font-size: var(--type-page); line-height: 1.12; letter-spacing: 0; text-wrap: balance;}
.case-detail-v3 .hero-text{max-width: 650px; margin: 22px 0 0; color: var(--case-muted); font-size: 17px;}
.case-detail-v3 .detail-hero-media{min-height: 420px; overflow: hidden; background: #16232e;}
.case-detail-v3 .detail-hero-media img,.case-detail-v3 .detail-hero-media video{width: 100%; height: 100%; min-height: 420px; object-fit: cover;}
.case-detail-v3 .section{width: min(var(--case-max), calc(100% - 64px)); margin: 0 auto; padding: 76px 0; border-top: 1px solid var(--case-line); background: transparent;}
.case-detail-v3 .case-story-grid{display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 54px;}
.case-detail-v3 .story-card{padding: 24px 0 0; border: 0 !important; border-top: 2px solid var(--case-ink) !important; border-radius: 0 !important; background: transparent !important; box-shadow: none !important;}
.case-detail-v3 .story-card h2{margin: 0 0 16px; font-size: var(--type-section); line-height: 1.22; letter-spacing: 0; text-wrap: balance;}
.case-detail-v3 .story-card p,.case-detail-v3 .story-card li{color: var(--case-muted); font-size: 16px;}
.case-detail-v3 .story-card p,.case-detail-v3 .story-card ul{margin: 0;}
.case-detail-v3 .story-card ul{padding-left: 20px;}
.case-detail-v3 .section-head{margin-bottom: 34px; display: grid; grid-template-columns: minmax(0, .9fr) minmax(320px, 1.1fr); gap: 64px; align-items: end;}
.case-detail-v3 .section-head h2{margin: 0; font-size: var(--type-section); line-height: 1.18; letter-spacing: 0; text-wrap: balance;}
.case-detail-v3 .section-intro{margin: 0; color: var(--case-muted); font-size: 16px;}
.case-detail-v3 .case-solution{margin-top: 38px; padding: 24px 28px; border: 0; background: var(--case-ink); color: #fff;}
.case-detail-v3 .case-solution p{margin: 0; font-size: 17px;}
.case-detail-v3 .detail-media-layout{display: grid; grid-template-columns: minmax(0, 1.32fr) minmax(300px, .68fr); gap: 18px;}
.case-detail-v3 figure{margin: 0;}
.case-detail-v3 .video-feature,.case-detail-v3 .media-still{overflow: hidden; background: #17232d;}
.case-detail-v3 .video-feature img,.case-detail-v3 .video-feature video{width: 100%; aspect-ratio: 16 / 10; object-fit: cover;}
.case-detail-v3 .media-column{display: grid; gap: 18px;}
.case-detail-v3 .media-still img{width: 100%; aspect-ratio: 16 / 9; object-fit: cover;}
.case-detail-v3 figcaption{padding: 14px 16px; background: #fff; color: var(--case-muted); font-size: 13px;}
.case-detail-v3 a:focus-visible,.case-detail-v3 button:focus-visible{outline: 3px solid #ff9c63; outline-offset: 4px;}
@media (max-width: 1080px) {
.case-detail-v3 .desktop-nav{gap: 17px;}
.case-detail-v3 .detail-hero{grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr); gap: 42px;}
.case-detail-v3 .detail-hero h1{font-size: 48px;}
}
@media (max-width: 1080px) {
.case-detail-v3 .desktop-nav{display: none;}
.case-detail-v3 .menu-btn{display: inline-flex; width: 44px; height: 44px; align-items: center; justify-content: center;}
.case-detail-v3 .mobile-menu{top: 78px;}
.case-detail-v3 .mobile-menu a{min-height: 46px; display: flex; align-items: center;}
}
@media (max-width: 760px) {
.case-detail-v3 .topbar{min-height: 66px; padding: 0 18px;}
.case-detail-v3 .desktop-nav{display: none;}
.case-detail-v3 .menu-btn{display: inline-flex; width: 44px; height: 44px; align-items: center; justify-content: center;}
.case-detail-v3 .mobile-menu{top: 66px;}
.case-detail-v3 .mobile-menu a{min-height: 46px; display: flex; align-items: center;}
.case-detail-v3 .detail-hero{width: calc(100% - 36px); padding: 48px 0 38px; grid-template-columns: 1fr; gap: 28px;}
.case-detail-v3 .detail-hero h1{font-size: 36px; line-height: 1.16;}
.case-detail-v3 .hero-text{font-size: 16px;}
.case-detail-v3 .detail-hero-media,.case-detail-v3 .detail-hero-media img,.case-detail-v3 .detail-hero-media video{min-height: 250px;}
.case-detail-v3 .section{width: calc(100% - 36px);}
.case-detail-v3 .section{padding: 54px 0;}
.case-detail-v3 .case-story-grid,.case-detail-v3 .section-head,.case-detail-v3 .detail-media-layout{grid-template-columns: 1fr;}
.case-detail-v3 .case-story-grid{gap: 34px;}
.case-detail-v3 .section-head{gap: 12px; margin-bottom: 27px;}
.case-detail-v3 .section-head h2{font-size: 34px;}
.case-detail-v3 .story-card h2{font-size: 27px;}
.case-detail-v3 .case-solution{margin-top: 30px;}
}
@media (prefers-reduced-motion: reduce) {
.case-detail-v3 *,.case-detail-v3 *::before,.case-detail-v3 *::after{scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important;}
}
/* Source: site-content-v1.css */
.case-detail-v3 .detail-hero h1{font-size:var(--type-page);letter-spacing:0}
.case-detail-v3{--case-max:var(--content-max);--case-blue:var(--color-brand);--case-ink:var(--color-ink);--case-muted:var(--color-muted);--case-line:var(--color-rule)}
.case-detail-v3 .detail-hero,.case-detail-v3 .section{width:min(var(--content-max),calc(100% - var(--page-gutter)*2));padding:var(--section-gap) 0}
.case-detail-v3 .detail-hero{padding:40px 0;gap:40px}
.case-detail-v3 .detail-hero-media,.case-detail-v3 .detail-hero-media img{min-height:0;object-fit:contain;height:auto}
.case-detail-v3 :is(.section h2,.story-card h2){font-size:var(--type-section);line-height:1.3}
@media(max-width:760px){
.case-detail-v3 .detail-hero{padding:28px 0}
}
/* Source: case-material-v1.css */
html.case-document{overflow-x: visible; scroll-behavior: auto;}
.site-v3.case-material{--case-ink: var(--color-ink); --case-muted: var(--color-muted);
  --case-line: var(--color-rule); --case-paper: var(--color-paper);
  --case-ground: var(--color-ground); --case-orange: var(--color-brand);
  --case-cyan: var(--color-brand); --case-max: var(--content-max);
  overflow-x: visible; background: var(--color-paper);}
.site-v3.case-material main{overflow: visible;}
.site-v3.case-material .topbar{padding: 0; display: block;}
.site-v3.case-material :is(.topbar-inner,.detail-hero,.section,.case-overview,.case-contact-cta-inner){width: min(var(--content-max), calc(100% - var(--page-gutter) * 2)); margin-inline: auto;}
.site-v3.case-material .main-nav a::after{background: var(--color-brand);}
.site-v3.case-material .case-mobile-menu{display: none;}
.site-v3.case-material summary.menu-toggle{cursor: pointer; list-style: none;}
.site-v3.case-material summary.menu-toggle::-webkit-details-marker{display: none;}
.site-v3.case-material .case-mobile-menu[open] .menu-toggle::before{transform: translate(-50%,0) rotate(45deg);}
.site-v3.case-material .case-mobile-menu[open] .menu-toggle::after{transform: translate(-50%,0) rotate(-45deg);}
.site-v3.case-material :is(.detail-hero-body,.detail-hero-media){animation: none; opacity: 1; transform: none;}
.site-v3.case-material .detail-hero{padding-block: 48px; grid-template-columns: minmax(0,1.1fr) minmax(0,.9fr); gap: 48px;}
.site-v3.case-material .detail-hero h1{margin: 0; color: var(--color-brand); font-size: var(--type-page); line-height: 1.3;}
.site-v3.case-material .breadcrumb a{display: inline-flex; align-items: center; min-height: 44px; text-decoration: underline; text-underline-offset: 4px;}
.site-v3.case-material .detail-hero-media{min-width: 0; min-height: 0; overflow: visible; background: transparent;}
.site-v3.case-material .detail-hero-media img{display: block; width: 100%; max-width: min(100%,var(--media-max-width)); height: auto; min-height: 0; margin-inline: auto; object-fit: contain;}
.site-v3.case-material .detail-hero-media figcaption{padding: 12px 0 0;}
.site-v3.case-material .case-overview{padding-block: 24px; border-block: 1px solid var(--color-rule);}
.site-v3.case-material .case-overview dl{display: grid; grid-template-columns: repeat(auto-fit,minmax(min(100%,12em),1fr)); gap: 20px 32px; margin: 0;}
.site-v3.case-material .case-overview dt{font-size: 13px; color: var(--color-muted);}
.site-v3.case-material .case-overview dd{margin: 8px 0 0; font-size: 16px; font-weight: 600;}
.site-v3.case-material .section{padding-block: var(--section-gap); border-top: 0;}
.site-v3.case-material .section + .section{border-top: 1px solid var(--color-rule);}
.site-v3.case-material :is(.case-story-grid,.case-evidence-grid){gap: 32px;}
.site-v3.case-material :is(.story-card,.case-evidence-card){padding-top: 20px; border-top-color: var(--color-rule) !important;}
.site-v3.case-material :is(.story-card,.case-evidence-card,.section-head,.case-contact-cta) h2{font-size: var(--type-section); line-height: 1.4;}
.site-v3.case-material .section-head{grid-template-columns: minmax(0,1fr) minmax(0,1fr); gap: 32px;}
.site-v3.case-material .case-story-grid :is(h3,p,li){overflow-wrap: anywhere;}
.site-v3.case-material .story-card h3{margin: 0 0 16px; font-size: var(--type-card); line-height: 1.5;}
.site-v3.case-material .detail-media-layout{grid-template-columns: minmax(0,1.15fr) minmax(0,.85fr); align-items: start; gap: 32px;}
.site-v3.case-material :is(.media-column,.media-still,.video-feature){min-width: 0; overflow: visible; background: var(--color-ground);}
.site-v3.case-material .media-column{gap: 24px; background: transparent;}
.site-v3.case-material :is(.media-still,.video-feature) img{width: 100%; max-width: min(100%,var(--media-max-width)); height: auto; aspect-ratio: auto; object-fit: contain; margin-inline: auto;}
.site-v3.case-material video{width: 100%; max-width: min(100%,var(--video-max-width)); height: auto; aspect-ratio: auto; object-fit: contain; background: var(--color-ink); margin-inline: auto;}
.site-v3.case-material figcaption{font-size: 14px; line-height: 1.7;}
.site-v3.case-material .case-media-open{position: relative; display: block;}
.site-v3.case-material .case-media-open::after{content: "查看原图 ↗"; position: static; inset: auto; transform: none; display: inline-block; margin: 8px; padding: 4px 8px; background: var(--color-paper); color: var(--color-brand); border: 1px solid var(--color-rule); border-radius: var(--radius-control); font-size: 12px; line-height: 1.6;}
.site-v3.case-material .case-solution{background: var(--color-ground); color: var(--color-ink); border: 1px solid var(--color-rule);}
.site-v3.case-material :is(.case-solution,.capability-rail-item) :is(p,li){color: var(--color-muted);}
.site-v3.case-material .capability-rail{display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px 32px; background: transparent;}
.site-v3.case-material .capability-rail-item{min-width: 0; min-height: 0; padding: 20px 0; background: transparent; border: 0; border-top: 1px solid var(--color-rule);}
.site-v3.case-material .capability-number{color: var(--color-brand); font: 700 14px/1.6 var(--font-data);}
.site-v3.case-material .capability-rail-item h3{font-size: var(--type-card);}
.site-v3.case-material .case-timing{padding: 24px; background: var(--color-ground);}
.site-v3.case-material .case-timing table{width: 100%; border-collapse: collapse; font-size: 16px;}
.site-v3.case-material .case-timing caption{text-align: left; padding-bottom: 12px; font-weight: 700;}
.site-v3.case-material .case-timing :is(th,td){padding: 16px 12px; text-align: left; border-bottom: 1px solid var(--color-rule);}
.site-v3.case-material .case-timing th{color: var(--color-brand);}
.site-v3.case-material .case-timing td:last-child{font-family: var(--font-data); white-space: nowrap;}
.site-v3.case-material .case-timing figcaption{padding: 16px 0 0; background: transparent;}
.site-v3.case-material .case-timing-title{margin: 0 0 24px; font-size: 20px; line-height: 1.5; font-weight: 600;}
.site-v3.case-material .case-timing-axis{position: relative; height: 32px; margin-left: 200px; border-bottom: 1px solid var(--color-rule); color: var(--color-muted); font: 14px/1.5 var(--font-data);}
.site-v3.case-material .case-timing-axis span{position: absolute; top: 0;}
.site-v3.case-material .case-timing-axis span:nth-child(1){left: 0;}
.site-v3.case-material .case-timing-axis span:nth-child(2){left: calc(100% * 10 / 24); transform: translateX(-50%);}
.site-v3.case-material .case-timing-axis span:nth-child(3){left: calc(100% * 15 / 24); transform: translateX(-50%);}
.site-v3.case-material .case-timing-axis span:nth-child(4){right: 0;}
.site-v3.case-material .case-timing-row{display: grid; grid-template-columns: 176px minmax(0,1fr); gap: 24px; align-items: center; padding-block: 20px; border-bottom: 1px solid var(--color-rule);}
.site-v3.case-material .case-timing-label{display: grid; gap: 4px;}
.site-v3.case-material .case-timing-label strong{font-size: 16px; font-weight: 600;}
.site-v3.case-material .case-timing-label span{color: var(--color-muted); font: 14px/1.5 var(--font-data);}
.site-v3.case-material .case-timing-track{display: grid; grid-template-columns: repeat(24,minmax(0,1fr)); min-height: 44px; background: var(--color-paper); border: 1px solid var(--color-rule);}
.site-v3.case-material .case-timing-bar{background: var(--color-brand);}
.site-v3.case-material .case-timing-bar--place{background: var(--color-brand-deep);}
.site-v3.case-material .case-timing-bar--vision{background: var(--color-paper); border: 2px solid var(--color-brand);}
.site-v3.case-material .case-timing-total{display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; margin: 20px 0 0; font-size: 16px;}
.site-v3.case-material .case-timing-total strong{font: 600 20px/1.5 var(--font-data); color: var(--color-brand);}
.site-v3.case-material .case-timing-data{margin-top: 20px; border-block: 1px solid var(--color-rule);}
.site-v3.case-material .case-timing-data summary{min-height: 44px; padding-block: 10px; color: var(--color-brand); font-size: 16px; cursor: pointer;}
.site-v3.case-material .case-timing-data table{margin-bottom: 16px;}
.site-v3.case-material :focus-visible{outline: 3px solid var(--color-focus); outline-offset: 3px;}
.site-v3.case-material .case-viewer :focus-visible{outline-color: white;}
.site-v3.case-material [id]{scroll-margin-top: 32px;}
@media(max-width:1080px) {
html.case-document .site-v3.case-material .main-nav,.site-v3.case-material .v3-consult{display: none;}
.site-v3.case-material .case-mobile-menu{display: block;}
html.case-document .site-v3.case-material summary.menu-toggle{display: block !important;}
.site-v3.case-material .case-mobile-nav{position: absolute; top: 100%; left: 0; right: 0; display: grid; padding: 12px var(--page-gutter) 20px; border-bottom: 1px solid var(--color-rule); background: var(--color-paper);}
.site-v3.case-material .case-mobile-nav a{display: flex; align-items: center; min-height: 46px; padding: 12px 0; font-size: 15px;}
.site-v3.case-material .case-mobile-nav a:is([aria-current="page"], [aria-current="true"]){color: var(--color-brand); font-weight: 700;}
}
@media(max-width:760px) {
.site-v3.case-material .detail-hero{grid-template-columns: 1fr; gap: 24px; padding-block: 32px;}
.site-v3.case-material :is(.case-story-grid,.case-evidence-grid,.section-head,.detail-media-layout,.capability-rail,.case-contact-cta-inner,.footer){grid-template-columns: 1fr;}
.site-v3.case-material .section-head{gap: 12px;}
.site-v3.case-material .case-timing{padding: 16px;}
.site-v3.case-material .case-timing :is(th,td){padding-inline: 0;}
.site-v3.case-material .case-timing :is(th,td):last-child{padding-left: 12px;}
.site-v3.case-material .case-timing-axis{margin-left: 0;}
.site-v3.case-material .case-timing-axis span:nth-child(3){display: none;}
.site-v3.case-material .case-timing-row{grid-template-columns: minmax(0,1fr); gap: 10px; padding-block: 16px;}
.site-v3.case-material .case-timing-label{display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 16px;}
.site-v3.case-material .case-timing-title{font-size: 18px; margin-bottom: 20px;}
}
@media(prefers-reduced-motion:reduce) {
.site-v3.case-material *,.site-v3.case-material *::before,.site-v3.case-material *::after{animation: none !important; transition: none !important; scroll-behavior: auto !important;}
}
/* Source: case-media-viewer.css */
.case-media-open{position:relative; display:block; color:var(--color-paper);}
.case-media-open img{display:block;}
.case-media-open::after{content:"查看原图 ↗"; position:absolute; right:12px; bottom:12px; padding:8px 12px; border:1px solid #ffffff80; border-radius:var(--radius-control); background:var(--color-ink); color:var(--color-paper); font:14px/1.4 var(--font-body);}
.case-media-open:hover::after{background:var(--color-brand);}
.case-media-open:focus-visible{outline-offset:5px;}
.case-viewer{box-sizing:border-box; width:calc(100% - 48px); max-width:1600px; height:calc(100dvh - 48px); max-height:1100px; margin:auto; padding:0; border:1px solid var(--color-rule); border-radius:4px; background:var(--color-ink); color:var(--color-paper); overflow:hidden;}
.case-viewer::backdrop{background:#172334e8;}
.case-viewer[open]{display:grid; grid-template-rows:auto minmax(0,1fr) auto;}
.case-viewer-head{display:grid; grid-template-columns:minmax(0,1fr) auto; gap:12px 20px; align-items:center; padding:12px 20px; border-bottom:1px solid #ffffff40;}
.case-viewer-heading{min-width:0; flex:1;}
.case-viewer-heading h2{margin:0; color:var(--color-paper); font:600 16px/1.5 var(--font-body);}
.case-viewer-count{display:block; margin-top:2px; font:14px/1.4 var(--font-data); color:#d7dfe8;}
.case-viewer-regions{grid-column:1 / -1; min-width:0;}
.case-viewer-region-choices{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:8px;}
.case-viewer-region-choices button{min-width:0; overflow-wrap:anywhere;}
.case-viewer-region-choices button[aria-pressed="true"]{background:var(--color-brand); border-color:var(--color-paper);}
.case-viewer-regions p{margin:8px 0 0; color:#d7dfe8; font:14px/1.5 var(--font-body);}
.case-viewer button,.case-viewer-source{display:inline-flex; justify-content:center; align-items:center; min-width:44px; min-height:44px; padding:8px 12px; border:1px solid #ffffff66; border-radius:var(--radius-control); background:transparent; color:var(--color-paper); font:14px/1.3 var(--font-body); cursor:pointer;}
.case-viewer button:hover,.case-viewer-source:hover{background:var(--color-brand);}
.case-viewer button:disabled{opacity:.4; cursor:default;}
.case-viewer :is(button,a):focus-visible{outline:3px solid #fff; outline-offset:3px;}
.case-viewer-stage{overflow:auto; overscroll-behavior:contain; min-height:0; min-width:0; background:#101923; touch-action:pan-x pan-y pinch-zoom;}
.case-viewer-canvas{display:grid; place-items:center; min-width:100%; min-height:100%; width:max-content; padding:16px; box-sizing:border-box;}
.case-viewer-image{display:block; max-width:none; max-height:none; flex:none; object-fit:contain;}
.case-viewer-error{margin:20px;}
.case-viewer-controls{display:flex; flex-wrap:wrap; align-items:center; justify-content:center; gap:8px; padding:12px 20px; border-top:1px solid #ffffff40;}
.case-viewer-zoom{min-width:52px; text-align:center; font:14px/1.4 var(--font-data);}
.case-viewer-source{margin-left:auto; text-decoration:underline; text-underline-offset:4px;}
@media(max-width:760px) {
.case-viewer{width:100%; height:100dvh; max-height:none; max-width:none; border:0; border-radius:0;}
.case-viewer-head{gap:12px; padding:12px 16px;}
.case-viewer-controls{gap:8px; padding:12px 16px max(12px,env(safe-area-inset-bottom));}
.case-viewer-source{margin-left:0;}
}
/* Source: case-reading-view.css */
.site-v3 .case-reading-index{width: calc(100% - var(--page-gutter) * 2); max-width: var(--content-max); margin-inline: auto; padding-block: 24px; border-block: 1px solid var(--color-rule);}
.site-v3 .case-reading-nav{display: flex; flex-wrap: wrap; gap: 8px 16px;}
.site-v3 .case-reading-nav a{display: inline-flex; align-items: center; min-height: 44px; padding: 10px 16px; font-size: 16px; line-height: 1.5; border: 1px solid var(--color-rule); border-radius: var(--radius-control); color: var(--color-brand); background: var(--color-paper); text-decoration: none;}
.site-v3 .case-reading-nav a[aria-selected="true"]{color: var(--color-paper); background: var(--color-brand); border-color: var(--color-brand);}
.site-v3 .case-reading-panel[hidden]{display: none;}
.site-v3 .case-reading-panel:focus-visible{outline: 3px solid var(--color-focus); outline-offset: -3px;}
.site-v3 :is(.record-hero h1,.detail-hero h1){text-wrap: balance;}
.site-v3 .case-hero-actions{display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px;}
.site-v3 .case-hero-actions a{display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 12px 20px; border: 1px solid var(--color-brand); border-radius: var(--radius-control); font-size: 16px; font-weight: 700; line-height: 1.5; color: var(--color-brand); background: var(--color-paper); text-decoration: none;}
.site-v3 .case-hero-actions a:first-child{color: var(--color-paper); background: var(--color-brand);}
@media(max-width:760px) {
.site-v3 .case-reading-index{padding-block: 16px;}
.site-v3 .case-reading-nav{gap: 8px;}
}
.site-v3 .case-title-unit{display: inline-block; max-width: 100%;}
.site-v3 :is(.record-crumb,.detail-hero .breadcrumb) a{display:inline-flex; align-items:center; min-width:44px; min-height:44px;}
.site-v3:is(.case-material,.case-record) .v3-consult{background: var(--color-brand); border-color: var(--color-brand);}
.site-v3 .case-project-contact{padding-block: var(--section-gap); background: var(--color-ground); color: var(--color-ink);}
.site-v3 .case-project-contact-inner{width: min(var(--content-max),calc(100% - var(--page-gutter) * 2)); margin-inline: auto; display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1fr); align-items: center; gap: 32px;}
.site-v3 .case-project-contact h2{margin: 0; font-size: var(--type-section); line-height: 1.4;}
.site-v3 .case-project-contact-links{display: grid; justify-items: start; gap: 12px; min-width: 0;}
.site-v3 .case-project-contact-links a{display: inline-flex; align-items: center; justify-content: center; min-height: 44px; max-width: 100%; padding: 10px 16px; border: 1px solid var(--color-brand); border-radius: var(--radius-control); font-size: 16px; font-weight: 600; line-height: 1.5; color: var(--color-brand); background: var(--color-paper); overflow-wrap: anywhere; text-decoration: none;}
.site-v3 .case-project-contact-links a:first-child{background: var(--color-brand); color: var(--color-paper);}
.site-v3 .case-project-contact-facts{display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--color-muted); font-size: 14px;}
.site-v3 .case-project-footer{background: var(--color-paper); color: var(--color-muted); border-top: 1px solid var(--color-rule);}
.site-v3 .case-project-footer .v3-footer-inner{flex-wrap: wrap; gap: 12px 24px;}
.site-v3 .case-project-footer-nav{display: flex; flex-wrap: wrap; gap: 8px 20px;}
.site-v3 .case-project-footer-nav a{display: inline-flex; align-items: center; min-height: 44px; color: var(--color-brand); text-decoration: underline; text-underline-offset: 4px;}
@media(max-width:760px) {
.site-v3 .case-project-contact-inner{grid-template-columns: minmax(0,1fr); gap: 24px;}
.site-v3 .case-project-contact-links{justify-items: stretch;}
.site-v3 .case-project-footer .v3-footer-inner{align-items: flex-start;}
.site-v3 .case-project-footer-nav{gap: 8px 16px;}
}