:root{--ink:#142d42;--navy:#0c263d;--muted:#60717e;--teal:#13796f;--gold:#c9ab77;--paper:#f3f6f6;--line:#dde5e7;--white:#fff;--max:1320px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--ink);background:#fff;font:16px/1.8 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,summary{font:inherit}button{cursor:pointer}img{display:block;width:100%;height:auto}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.35;font-weight:650}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #d5b576;outline-offset:5px}.wrap{width:min(var(--max),calc(100% - 96px));margin:auto}.section{padding:100px 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var(--ink);transform:skewY(-10deg)}.brand-mark:after{content:'';position:absolute;left:0;top:17px;width:24px;height:3px;background:var(--gold);transform:rotate(-27deg)}.brand-word{display:block;font-family:"Arial",sans-serif;font-size:24px;font-weight:800;letter-spacing:1px;line-height:1.2}.brand-word em{font-style:normal;font-weight:400}.brand-chinese{display:block;font-size:11px;letter-spacing:1px;margin-top:5px;color:var(--muted)}.nav{margin-left:auto;display:flex;gap:22px;align-items:center}.nav a{white-space:nowrap;font-size:13px;position:relative;padding:12px 0}.nav a:hover,.nav a[aria-current=true]{color:var(--teal)}.nav a[aria-current=true]:after{content:'';height:2px;position:absolute;left:0;right:0;bottom:3px;background:var(--teal)}.language{font-size:11px;border-left:1px solid var(--line);padding-left:18px;white-space:nowrap}.menu-toggle{display:none;border:1px solid var(--line);background:#fff;color:var(--ink);width:44px;height:44px}.hero{position:relative;min-height:690px;background:var(--navy);color:#fff;display:flex;align-items:center;overflow:hidden}.hero-media,.hero-media picture,.hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,25,43,.83),rgba(7,25,43,.35) 58%,rgba(7,25,43,.04))}.hero-copy{position:relative;z-index:1;padding:90px 0 110px;max-width:680px}.hero .kicker{color:#d9c5a4;margin-bottom:24px}.hero h1{font-size:clamp(38px,4.4vw,64px);line-height:1.28;letter-spacing:1px}.hero h1 span{display:block}.hero-lead{max-width:540px;font-size:17px;color:#edf2f5;margin-top:28px}.hero-foot{position:absolute;bottom:25px;left:0;right:0;z-index:2}.hero-foot-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;color:#e0e5e9;font-size:10px;letter-spacing:.5px}.hero-foot a{font-size:12px;padding:4px 0;border-bottom:1px solid #ffffff6b;white-space:nowrap}.identity{background:var(--paper);padding:30px 0}.identity-inner{display:flex;align-items:center;justify-content:space-between;gap:50px}.identity p{max-width:925px;color:#3f5363;font-size:15px}.identity .text-link{flex-shrink:0}.featured{padding-bottom:95px}.feature-layout{display:grid;grid-template-columns:1.08fr 1fr;gap:64px;align-items:center}.feature-figure img{aspect-ratio:16/9;object-fit:cover}.feature-figure figcaption{font-size:11px;color:var(--muted);margin-top:10px}.featured-copy .company{font-size:29px;line-height:1.4;margin-top:15px}.company-en{font-size:11px;line-height:1.7;letter-spacing:.8px;color:var(--muted);margin-top:14px;overflow-wrap:anywhere}.feature-description{color:#4d6271;margin-top:24px}.feature-description+p{color:#4d6271;margin-top:12px}.tags{display:flex;gap:16px;flex-wrap:wrap;margin-top:22px;color:var(--teal);font-size:13px}.tags span{padding-left:13px;border-left:2px 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summary{font-size:13px;color:var(--teal);cursor:pointer}.industry-card details p{font-size:13px;color:var(--muted);margin-top:14px}.industry .note{margin-top:35px}.place{background:var(--navy);color:#fff}.place .heading>p{color:#b5c4ce}.place-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.place-item{border-top:1px solid #9eb5c84d;padding-top:26px}.place-item .place-label{color:#d4b788;letter-spacing:2px;font-size:10px}.place-item h3{font-size:28px;margin-top:12px}.place-item p{margin-top:17px;color:#bac9d3;font-size:14px;max-width:340px}.place-item .direction{color:#fff;font-size:15px}.place .note{color:#96aebe;margin-top:37px}.cooperation-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:80px;align-items:center}.cooperation-image img{aspect-ratio:16/10;object-fit:cover}.cooperation-image figcaption{margin-top:10px}.cooperation-copy>p:not(.kicker){color:var(--muted);margin-top:24px}.cooperation-process{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);margin-top:55px;gap:30px;padding-top:28px}.cooperation-process span{font-size:11px;color:var(--teal)}.cooperation-process h3{font-size:18px;margin-top:9px}.cooperation-process p{font-size:13px;color:var(--muted);margin-top:10px}.sustainability{background:var(--paper)}.sustainability-grid{display:grid;grid-template-columns:1fr 1fr;gap:85px}.sustainability-grid .intro{margin-bottom:28px}.responsibility details{border-bottom:1px solid #cbd9da;padding:20px 0}.responsibility details:first-child{border-top:1px solid #cbd9da}.responsibility summary{display:flex;gap:28px;font-size:19px;cursor:pointer;align-items:center;list-style:none}.responsibility summary::-webkit-details-marker{display:none}.responsibility summary span{font-size:11px;color:var(--teal)}.responsibility 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p{color:var(--muted);font-size:14px;margin-top:13px}.about{background:var(--paper)}.about-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:75px}.about-text>p{color:var(--muted)}.capabilities{display:flex;flex-wrap:wrap;gap:15px 25px;margin-top:27px;padding-top:25px;border-top:1px solid var(--line);font-size:14px}.capabilities span{border-bottom:1px solid #a9bebd;padding-bottom:4px}.about-en{margin-top:27px;font-size:11px;overflow-wrap:anywhere;letter-spacing:.7px}.contact{background:var(--teal);color:#fff}.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:70px}.contact .kicker{color:#e5d3b2}.contact p:not(.kicker){color:#e4f0ef}.contact-topics{font-size:13px;display:flex;gap:15px;flex-wrap:wrap;margin:24px 0}.email{display:block;font-family:Arial,sans-serif;font-size:clamp(20px,2.8vw,31px);overflow-wrap:anywhere;font-weight:400;color:#fff}.copy-mail{margin-top:20px}.copy-status{font-size:12px;min-height:25px;margin-top:12px}.contact .note{font-size:12px;color:#d8e9e7;margin-top:20px}.footer{background:#091d30;color:#bfccd5;padding:48px 0 28px}.footer-top{display:flex;justify-content:space-between;gap:70px;padding-bottom:34px}.footer-word{font-family:Arial,sans-serif;font-size:24px;font-weight:700;color:#fff;letter-spacing:1px}.footer-name{font-size:14px;margin-top:12px}.footer-en{font-size:10px;letter-spacing:.6px;margin-top:11px;max-width:550px;overflow-wrap:anywhere}.footer-disclosure{font-size:11px;max-width:535px;line-height:1.9}.footer-bottom{padding-top:22px;border-top:1px solid #425263;display:flex;justify-content:space-between;gap:30px;font-size:11px}.back-top{position:fixed;bottom:24px;right:24px;width:43px;height:43px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;color:var(--ink);z-index:20;box-shadow:0 4px 15px #0001}.back-top[hidden]{display:none}
@media(min-width:1600px){.hero{min-height:760px}}@media(max-width:1260px){.header-inner{gap:20px}.nav{gap:16px}.brand-word{font-size:22px}.brand-chinese{font-size:10px}.language{padding-left:12px}.wrap{width:calc(100% - 70px)}}
@media(max-width:1120px){.header-inner{flex-wrap:wrap;min-height:78px;padding:16px 0;gap:18px}.language{margin-left:auto}.has-js .menu-toggle{display:block}.nav{width:100%;order:5;margin:0;flex-wrap:wrap;padding-bottom:12px}.has-js .nav{display:none}.has-js .nav[data-open=true]{display:flex;gap:0;flex-direction:column;align-items:stretch}.has-js .nav a{padding:11px 10px;border-bottom:1px solid var(--line)}.has-js .nav a[aria-current=true]:after{display:none}.hero{min-height:650px}.industry-grid{grid-template-columns:repeat(2,1fr);gap:44px 28px}.feature-layout,.cooperation-layout{gap:42px}.feature-layout{grid-template-columns:1fr 1fr}.featured-copy .company{font-size:25px}.sustainability-grid{gap:50px}.section{padding:80px 0}.cooperation-process{gap:20px}.footer-top{gap:40px}}
@media(max-width:760px){html{scroll-padding-top:105px}.wrap{width:calc(100% - 40px)}.section{padding:62px 0}.header-inner{gap:13px}.brand-mark{width:24px;height:29px}.brand-mark:after{width:18px;top:13px}.brand-word{font-size:22px}.brand-chinese{font-size:10px;letter-spacing:.4px}.language{font-size:10px;padding-left:10px}.hero{min-height:730px;align-items:flex-start}.hero-media img{object-position:50% 60%}.hero:after{background:linear-gradient(180deg,rgba(5,25,44,.78),rgba(5,25,44,.28) 65%,rgba(5,25,44,.48))}.hero-copy{padding:74px 0 140px;max-width:100%}.hero h1{font-size:42px;letter-spacing:0}.hero-lead{font-size:15px;max-width:100%;margin-top:25px}.hero .kicker{font-size:10px;letter-spacing:1.2px}.hero .actions{gap:12px}.button{padding:11px 18px;min-height:49px;font-size:13px}.hero-foot-inner{align-items:flex-end;gap:24px}.hero-foot .note{max-width:235px;font-size:9px;color:#e5eaf0}.identity{padding:26px 0}.identity-inner{display:block}.identity p{font-size:14px}.identity .text-link{margin-top:13px}.heading{display:block;margin-bottom:30px}.heading>p{margin-top:21px;font-size:14px}.feature-layout,.cooperation-layout,.sustainability-grid,.insight-grid,.about-layout,.contact-layout{grid-template-columns:1fr;gap:33px}.feature-figure{order:2}.featured-copy .company{font-size:26px}.feature-description,.feature-description+p{font-size:15px}.feature-layout{align-items:start}.industry-grid{gap:36px 20px}.industry-card h3{font-size:21px}.industry-card>p:not(.industry-index){font-size:13px}.industry-index{font-size:9px;letter-spacing:.5px;margin-top:18px}.industry-card details{margin-top:18px}.place-grid{grid-template-columns:1fr;gap:30px}.place-item h3{font-size:25px}.place-item p{max-width:100%;margin-top:12px}.place-item .direction{margin-top:15px}.cooperation-process{grid-template-columns:repeat(2,1fr);gap:27px;margin-top:35px}.cooperation-copy{order:-1}.responsibility summary{font-size:18px}.footer-top,.footer-bottom{display:block}.footer-disclosure{margin-top:28px}.footer-bottom span{display:block;margin-top:10px}.footer-en{font-size:9px}.contact .note{font-size:11px}.back-top{right:16px;bottom:16px}.about-layout{gap:25px}}
@media(max-width:390px){.wrap{width:calc(100% - 32px)}.brand-word{font-size:20px}.brand-chinese{font-size:9px}.header-inner{gap:10px}.language{padding-left:7px}.menu-toggle{width:40px;height:40px}.hero h1{font-size:36px}.hero{min-height:770px}.hero-copy{padding-top:60px}.industry-grid{grid-template-columns:1fr;gap:39px}.industry-card h3{font-size:24px}.industry-card>p:not(.industry-index){font-size:14px}.industry-index{font-size:10px}.hero .actions{flex-direction:column;align-items:flex-start}.hero .button{min-width:183px}.featured-copy .company{font-size:24px}.hero-foot a{font-size:10px}.cooperation-process{gap:24px 20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* 组织协作网络与产业项目方向分层呈现。 */
.planning-label{font-size:12px;vertical-align:middle;letter-spacing:1px;font-weight:400;padding:5px 12px;border:1px solid #d0b88670;color:#d7bf91;margin-left:20px;white-space:nowrap}.global-layout{display:grid;grid-template-columns:1fr 1fr;gap:75px}.country-heading{font-size:16px;padding-bottom:20px;border-bottom:1px solid #9eb5c84d}.country-heading span{font-size:10px;letter-spacing:2px;color:#a7bdcc;margin-left:15px}.network-node{display:flex;gap:24px;padding:26px 0;border-bottom:1px solid #9eb5c82d}.node-number{color:#cdb382;font-size:11px;padding-top:7px}.network-node h3{font-size:25px}.network-node h3 span{display:block;font-size:14px;color:#dec9a6;margin-top:8px;font-weight:400}.network-node p{font-size:13px;color:#b7cad6;margin-top:12px}.network-remark{font-size:14px;color:#afc2d0;padding:29px 0}.project-directions{border-top:1px solid #9eb5c84d;margin-top:44px;padding-top:25px}.project-directions summary{color:#d9c4a2;font-size:14px;cursor:pointer}.project-directions .place-grid{margin-top:28px}.project-directions .place-item h3{font-size:23px}.project-directions .place-item{padding-top:18px}.project-directions+.note{max-width:930px;margin-top:25px}
@media(max-width:760px){.global-layout{grid-template-columns:1fr;gap:35px}.network-node h3{font-size:23px}.planning-label{margin-left:12px;font-size:10px;padding:4px 9px}.network-node{gap:18px;padding:22px 0}.network-remark{padding:20px 0 0}.project-directions{margin-top:30px}}

/* 铁路背景与AGV接驳构想：非地理路线图。 */
.railway-section{padding-top:10px}.railway-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.railway-layout figure img{aspect-ratio:16/9;object-fit:cover}.railway-layout figcaption{margin-top:10px}.rail-focus{font-size:15px;color:var(--teal);border-left:3px solid var(--gold);padding-left:19px;margin:24px 0;max-width:520px}.rail-chain{display:grid;grid-template-columns:repeat(5,1fr);margin-top:46px;border-top:1px solid var(--line);gap:20px}.rail-chain>div{position:relative;padding:25px 14px 24px 0}.rail-chain>div:not(:last-child):after{content:'→';position:absolute;right:0;top:28px;color:#8aa5a3;font-size:18px}.rail-chain span{font-size:10px;letter-spacing:1px;color:var(--teal)}.rail-chain h3{font-size:17px;margin-top:12px}.rail-chain p{font-size:12px;color:var(--muted);margin-top:9px}.rail-chain .agv-focus{padding-left:15px;background:#e8f1ef;border-top:3px solid var(--teal);margin-top:-2px}.rail-boundary{border-top:1px solid var(--line);padding-top:20px;margin-top:18px}.rail-boundary summary{font-size:13px;color:var(--teal);cursor:pointer}.rail-boundary p{font-size:13px;color:var(--muted);margin-top:16px;max-width:1100px}.rail-boundary a{color:var(--teal);text-decoration:underline;text-underline-offset:3px}
@media(max-width:1120px){.railway-layout{gap:40px}.rail-chain h3{font-size:15px}.rail-chain p{font-size:11px}}@media(max-width:760px){.railway-section{padding-top:0}.railway-layout{grid-template-columns:1fr;gap:30px}.rail-chain{grid-template-columns:1fr;gap:0;margin-top:32px}.rail-chain>div{padding:20px 18px;border-bottom:1px solid var(--line)}.rail-chain>div:not(:last-child):after{content:'↓';top:auto;bottom:-17px;right:20px;background:#fff;z-index:1;font-size:19px}.rail-chain .agv-focus{margin-top:0;padding-left:18px;border-top:0;border-left:3px solid var(--teal)}.rail-chain h3{font-size:18px;margin-top:5px}.rail-chain p{font-size:13px;margin-top:5px}}

.hero-foot .note{color:#d8e4ec;font-size:11px;line-height:1.7}
@media(max-width:760px){.hero-foot .note{font-size:10px}}

.operations-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;margin-top:46px;border-top:1px solid var(--line);padding-top:30px}.operations-grid span{font-size:9px;letter-spacing:1px;color:var(--teal)}.operations-grid h3{font-size:18px;margin:12px 0}.operations-grid p{font-size:13px;color:var(--muted);line-height:1.8}.operations-grid article{padding-right:14px}
@media(max-width:1120px){.operations-grid{grid-template-columns:repeat(2,1fr);gap:30px}}@media(max-width:760px){.operations-grid{grid-template-columns:1fr;gap:0;padding-top:10px;margin-top:30px}.operations-grid article{padding:22px 0;border-bottom:1px solid var(--line)}.operations-grid h3{font-size:19px}.operations-grid p{font-size:14px}}