:root{--blue:#16a8e7;--ink:#080d1a;--muted:#67696d;--field:#f3f4f5;--scale:min(1vw,19.2px);font-family:"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;color:var(--ink);font-synthesis:none;scroll-behavior:smooth;scrollbar-width:none}
*{box-sizing:border-box}body{margin:0;background:#fff}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button,input,select,textarea{border-radius:0}button{border:0}img{display:block;max-width:100%}p,h1,h2,h3,figure{margin:0}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #0877b4;outline-offset:4px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:10;top:8px;left:8px;padding:12px 16px;background:white;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.section-anchor{scroll-margin-top:18px}.header-inner{width:80%;max-width:1536px;margin:auto}.icon{width:clamp(14px,1.3vw,20px);height:clamp(14px,1.3vw,20px)}.blue-icon{filter:invert(56%) sepia(95%) saturate(2040%) hue-rotate(161deg) brightness(96%) contrast(89%)}
.topbar{background:#1e2021;color:#d1d1d1;font-size:14px;min-height:56px;padding:8px 0}.topbar-inner,.quick-links,.quick-links a,.language-button{display:flex;align-items:center}.topbar-inner{justify-content:space-between;flex-wrap:wrap;gap:8px 20px}.quick-links{gap:16px;flex-wrap:wrap}.quick-links a{gap:8px;min-height:44px}.quick-links a+a{border-left:1px solid #494949;padding-left:calc(1.6 * var(--scale))}.language-button{gap:8px;padding:0;background:none;color:inherit;font-size:inherit;min-height:44px}.navigation{height:max(88px,calc(8.3333 * var(--scale)));background:#2b2d2f;color:#f9f9f9}.navigation-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;flex-direction:column;gap:calc(.25 * var(--scale));flex-shrink:0}.brand strong{font-size:clamp(23px,2.604vw,40px);font-weight:750;line-height:1.2;letter-spacing:-.04em}.brand span{font-family:Arial,sans-serif;font-size:clamp(12px,1.15vw,18px);font-weight:400;color:#c2c2c2;letter-spacing:-.025em}.main-navigation{display:flex;align-items:center;gap:clamp(14px,2vw,38px);white-space:nowrap;font-size:clamp(14px,1.172vw,18px);font-weight:650}.main-navigation a{padding:calc(1.5 * var(--scale)) 0;transition:color .18s;display:flex;align-items:center;justify-content:center;min-height:44px}.main-navigation a:hover,.main-navigation .active{color:var(--blue)}.menu-button{display:none}
.hero{position:relative;height:max(420px,calc(50.390625 * var(--scale)));overflow:hidden;color:#fff}.hero-image{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center}.hero-content{position:relative;width:80%;max-width:1536px;margin:auto;padding-top:clamp(64px,12.8vw,246px)}.hero h1{font-size:clamp(44px,6vw,115px);font-weight:800;line-height:1.13;letter-spacing:.01em;text-shadow:0 1px 12px #142c3b20}.button{display:inline-flex;justify-content:center;align-items:center;gap:calc(1.2 * var(--scale));min-height:44px;padding:calc(.8 * var(--scale)) calc(2.5 * var(--scale));font-size:clamp(14px,1.3vw,18px);font-weight:600;line-height:1.4;transition:background .18s,color .18s,box-shadow .18s;white-space:nowrap}.button img{width:calc(1.6 * var(--scale));height:calc(1.6 * var(--scale));flex-shrink:0}.button-blue{background:#007ba8;color:white}.button-blue:hover{background:#00688f}.button-outline{border:calc(.2 * var(--scale)) solid white;color:#fff;background:#122d3c16}.button-outline:hover{background:#fff;color:#123c50}.button-outline img{filter:brightness(0) invert(1)}.button-outline:hover img{filter:none}.hero .button{margin-top:calc(2.5 * var(--scale));padding:calc(.8 * var(--scale)) calc(1.7 * var(--scale));font-size:clamp(14px,1.6vw,22px);min-height:44px}.hero-content>p{margin-top:calc(1.65 * var(--scale));font-size:clamp(16px,1.65vw,28px);font-weight:650;line-height:1.45}
.section-title{font-size:clamp(28px,2.6vw,40px);font-weight:800;line-height:1.3;letter-spacing:-.045em}.section-title:after{content:"";display:block;width:calc(4.3 * var(--scale));height:calc(.46 * var(--scale));background:var(--blue);margin-top:calc(.85 * var(--scale));box-shadow:0 calc(.3 * var(--scale)) 0 #d5edf6}.section-description{font-size:clamp(14px,1.3vw,18px);line-height:1.75;color:#606368}.title-centered{text-align:center}.title-centered:after{margin-left:auto;margin-right:auto}.title-light{color:white}.title-light:after{background:white;box-shadow:0 calc(.3 * var(--scale)) 0 #ffffff70}
.demand{display:grid;grid-template-columns:minmax(0,57.3%) minmax(0,42.7%);min-height:calc(40.3646 * var(--scale))}.demand-content{padding:clamp(28px,2.8vw,54px) calc(4.6 * var(--scale)) clamp(28px,2.7vw,52px) calc(10 * var(--scale))}.demand-content>.section-description{margin-top:20px;font-size:clamp(14px,1.3vw,18px);letter-spacing:0}.demand-form{margin-top:calc(2.2 * var(--scale))}.form-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:calc(1.4 * var(--scale))}.field{display:block;min-width:0;background:var(--field)}input,select,textarea{width:100%;min-width:0;border:1px solid transparent;color:#51545b;background:var(--field);padding:clamp(10px,.8vw,15px) clamp(12px,1.2vw,23px);font-size:16px;line-height:1.5;min-height:44px;outline-offset:0}input::placeholder,textarea::placeholder{color:#676d76;opacity:1}select{color:#61646b}select:invalid{color:#676d76}textarea{resize:vertical}.volume-field{grid-column:1/-1;display:flex;align-items:center;background:var(--field);font-size:16px;color:#60666f;min-height:44px;border:1px solid #e8eaed}.volume-field>span:first-child{width:33%;padding-left:calc(1.2 * var(--scale));flex-shrink:0}.volume-field input{border-left:1px solid #e1e3e7;flex:1;width:0;background:transparent}.volume-field>span:last-child{padding-right:calc(1.2 * var(--scale));font-family:Arial,sans-serif}.demand-form>.button{margin-top:calc(1.65 * var(--scale));min-width:calc(12.1 * var(--scale))}.demand-image{width:100%;height:100%;object-fit:cover}
.services{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);background:#007ba8;min-height:calc(36.3281 * var(--scale))}.services-image{width:100%;height:100%;object-fit:cover}.services-content{padding:clamp(28px,2.4vw,46px) clamp(24px,5vw,96px);color:#fff}.services-content .section-title{font-size:clamp(28px,2.6vw,40px);letter-spacing:-.01em}.service-list{display:flex;flex-direction:column;gap:clamp(20px,1.6vw,30px);margin-top:clamp(24px,2.4vw,46px)}.service{display:flex;align-items:center;gap:clamp(14px,1.8vw,28px)}.service-icon{display:flex;justify-content:center;align-items:center;background:white;width:clamp(40px,4.6vw,70px);height:clamp(40px,4.6vw,70px);border-radius:50%;flex-shrink:0}.service-icon img{width:clamp(24px,2.7vw,40px);height:clamp(24px,2.7vw,40px)}.service h3{font-size:clamp(17px,1.7vw,26px);font-weight:700;line-height:1.35}.service p{font-size:clamp(14px,1.1vw,18px);line-height:1.65;letter-spacing:-.02em}.service:hover h3{text-decoration:underline;text-underline-offset:4px}.service:focus-visible{outline-color:#fff;outline-offset:6px}
.network{padding-top:clamp(28px,2vw,38px);text-align:center;overflow:hidden;min-height:calc(36.849 * var(--scale))}.network .section-title{font-size:clamp(28px,2.6vw,40px);letter-spacing:-.03em}.network>.section-description{margin-top:calc(1.2 * var(--scale));font-size:clamp(14px,1.3vw,18px)}.network-map{position:relative;width:62%;margin:calc(1 * var(--scale)) auto 0}.network-map img{width:100%;height:calc(24.5 * var(--scale));object-fit:contain}.network-map figcaption{position:absolute;bottom:calc(.7 * var(--scale));left:0;width:100%;font-size:calc(1.15 * var(--scale));color:#96999f}
.editorial-section{display:grid;background:#f6f7f8;min-height:calc(24.4792 * var(--scale))}.editorial-content{display:flex;align-items:flex-start;flex-direction:column;justify-content:center;padding-top:clamp(28px,3vw,56px);padding-bottom:clamp(28px,3vw,56px)}.editorial-content .section-title{font-size:clamp(28px,2.6vw,40px);letter-spacing:-.035em}.editorial-content .section-title:after{width:calc(3.9 * var(--scale));margin-top:calc(.5 * var(--scale))}.editorial-content>p{font-size:clamp(14px,1.1vw,18px);line-height:1.75;color:#61646b;margin-top:calc(1.2 * var(--scale));letter-spacing:.01em}.editorial-content>.button{margin-top:calc(1.1 * var(--scale));min-width:calc(10.8 * var(--scale));min-height:44px;font-size:clamp(14px,1.3vw,18px);padding:calc(.6 * var(--scale)) calc(2 * var(--scale))}.editorial-image{width:100%;height:100%;object-fit:cover}.about{grid-template-columns:minmax(0,46%) minmax(0,54%)}.about .editorial-image{object-position:right center}.about-content{padding-left:22.4%;padding-right:8%}.news{grid-template-columns:minmax(0,54%) minmax(0,46%);min-height:calc(24.0885 * var(--scale))}.news-content{padding-left:14.8%;padding-right:16%}.news-list{width:100%;margin-top:calc(.8 * var(--scale))}.news-list button{display:flex;align-items:center;gap:calc(2 * var(--scale));width:100%;padding:calc(.65 * var(--scale)) 0;background:none;text-align:left;color:#696d72;border-bottom:1px solid #e0e3e6;font-size:clamp(14px,1.1vw,18px);line-height:1.8;min-height:44px}.news-list button:last-child{border-bottom:0}.news-list img{height:22px;width:22px;opacity:.6;flex-shrink:0}.news-list button:hover{color:#008dce}.news-content>.button{margin-top:calc(.8 * var(--scale))}
.contact{display:grid;grid-template-columns:minmax(0,64.3%) minmax(0,35.7%);padding-top:clamp(28px,1.9vw,36px);padding-bottom:clamp(28px,1.8vw,35px);gap:0;min-height:calc(24.6094 * var(--scale))}.contact-content{padding-left:16%;padding-right:6.4%}.contact .section-title{font-size:clamp(28px,2.6vw,40px)}.contact .section-title:after{width:calc(4 * var(--scale));margin-top:calc(.45 * var(--scale))}.contact .section-description{text-align:center;font-size:clamp(14px,1.1vw,18px);letter-spacing:0;margin-top:calc(1 * var(--scale))}.contact-form{margin-top:calc(1.6 * var(--scale))}.contact .form-grid{gap:calc(1 * var(--scale)) calc(1.8 * var(--scale))}.contact input,.contact textarea{font-size:16px;min-height:44px;padding:10px 12px}.textarea-field{grid-column:1/-1}.contact textarea{height:max(96px,calc(4.8 * var(--scale)));display:block}.contact-actions{display:flex;align-items:center;gap:calc(1.8 * var(--scale));margin-top:calc(.8 * var(--scale));flex-wrap:wrap}.contact-actions .button{font-size:clamp(14px,1.3vw,18px);min-height:44px;padding:calc(.55 * var(--scale)) calc(3.7 * var(--scale))}.contact-image{width:100%;height:100%;object-fit:cover}
.footer{background:#282a2c;color:#b9bdc0}.footer-inner{width:80%;max-width:1536px;margin:auto;display:grid;grid-template-columns:1fr 1fr;gap:calc(4 * var(--scale));padding:clamp(28px,2.5vw,48px) 0 clamp(24px,1.7vw,33px);min-height:calc(13.67 * var(--scale))}.footer h2{font-size:clamp(14px,1.3vw,18px);font-weight:650;color:#fff;margin-bottom:calc(1.1 * var(--scale))}.footer p,.footer li{font-size:clamp(12px,1.05vw,16px);line-height:1.75}.footer ul{list-style:none;padding:0;margin:0}.footer a:hover{color:white}.footer-bottom{border-top:1px solid #46484a}.footer-bottom-inner{width:80%;max-width:1536px;margin:auto;display:flex;justify-content:flex-end;font-size:clamp(12px,.95vw,16px);line-height:1.5;color:#bcc0c4;flex-wrap:wrap;gap:8px 24px;padding:16px 0}
dialog{width:min(540px,calc(100% - 32px));border:0;padding:28px;color:var(--ink);box-shadow:0 20px 80px #0004}dialog::backdrop{background:#081b2b99}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:14px}.dialog-heading h2{font-size:22px;line-height:1.4}.dialog-close{padding:11px;background:#f2f4f6;flex-shrink:0;min-width:44px;min-height:44px}.dialog-close img{width:22px;height:22px}#dialog-description{font-size:14px;line-height:1.8;color:#616872}#consultation-summary{white-space:pre-wrap;overflow-wrap:anywhere;max-height:40vh;overflow:auto;padding:16px;background:#f3f5f7;margin:18px 0;font-family:inherit;font-size:14px;line-height:1.8}.dialog-actions{display:flex;gap:12px;flex-wrap:wrap}.dialog-actions[hidden]{display:none}.dialog-actions .button{font-size:14px;min-height:44px;padding:10px 16px;gap:8px}.dialog-actions .button img{height:18px;width:18px}.dialog-actions .button-blue img{filter:brightness(0) invert(1)}.button-secondary{background:#eaf0f4;color:#233a49}.button-secondary:hover{background:#dae7ee}#dialog-status{font-size:13px;line-height:1.6;color:#1a6b90;min-height:20px;margin-top:12px}
.demand-content,.services-content,.editorial-content,.contact-content,.service>span:last-child,.footer-inner>div{min-width:0}
@media(max-width:960px){
  .header-inner{width:88%}.navigation{height:88px}.menu-button{display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:8px;background:transparent}.menu-button img{width:26px;height:26px;filter:brightness(0) invert(1)}.navigation-inner{position:relative}.main-navigation{display:none;position:absolute;z-index:3;top:100%;left:-6.82%;right:-6.82%;padding:12px 6%;background:#2b2d2f;box-shadow:0 12px 18px #0002;font-size:14px;gap:0;flex-wrap:wrap}.main-navigation.is-open{display:flex}.main-navigation a{padding:14px 10px;width:33.333%;text-align:center}
}
@media(max-width:640px){
  :root{--scale:1vw}.header-inner{width:88%}.topbar{font-size:14px}.icon{width:14px;height:14px}.quick-links{gap:12px}.quick-links a{gap:5px}.quick-links a+a{padding-left:12px}.language-button{gap:5px;min-height:44px}.navigation{height:76px}.brand strong{font-size:23px}.brand span{font-size:12px}.brand{gap:4px}.menu-button{display:flex;padding:8px;background:transparent;min-width:44px;min-height:44px;align-items:center;justify-content:center}.menu-button img{width:26px;height:26px;filter:brightness(0) invert(1)}.navigation-inner{position:relative}.main-navigation{display:none;position:absolute;z-index:3;top:100%;left:-6.82%;right:-6.82%;padding:12px 6%;background:#2b2d2f;box-shadow:0 12px 18px #0002;font-size:14px;gap:0;flex-wrap:wrap}.main-navigation.is-open{display:flex}.main-navigation a{padding:14px 10px;width:33.333%;text-align:center}.hero{height:450px}.hero-image{object-position:30% center}.hero-content{width:88%;padding-top:76px}.hero h1{font-size:45px;line-height:1.18}.hero .button{font-size:14px;min-height:44px;padding:9px 16px;margin-top:23px}.button img{height:18px;width:18px}.hero-content>p{font-size:15px;margin-top:18px}.button{font-size:14px;min-height:44px;padding:11px 24px;gap:10px}.section-title{font-size:28px;line-height:1.35}.section-title:after{width:39px;height:3px;margin-top:9px;box-shadow:0 2px 0 #d5edf6}.section-description{font-size:14px;line-height:1.8}.demand{display:flex;flex-direction:column;padding:32px 6% 24px;gap:24px;min-height:0}.demand-content{padding:0}.demand-content>.section-description{font-size:14px;white-space:normal;letter-spacing:0;margin-top:18px}.demand-form{margin-top:20px}.form-grid{gap:12px}.field input,.field select,input,select,textarea{font-size:16px;min-height:44px;padding:10px 12px}.volume-field{min-height:44px;font-size:16px}.volume-field>span:first-child{padding-left:12px}.volume-field>span:last-child{padding-right:12px}.volume-field input{min-height:44px;padding:10px 12px}.demand-form>.button{margin-top:16px;min-width:120px}.demand-image{height:280px;margin:0;object-position:center 38%}.services{display:flex;flex-direction:column;min-height:0}.services-image{height:300px;object-position:center}.services-content{padding:30px 8% 35px}.services-content .section-title{font-size:28px}.service-list{gap:22px;margin-top:28px}.service{gap:18px}.service-icon{width:44px;height:44px}.service-icon img{width:26px;height:26px}.service h3{font-size:17px}.service p{font-size:14px;white-space:normal;line-height:1.65;letter-spacing:0}.network{height:auto;padding:32px 5% 25px}.network .section-title{font-size:28px}.network>.section-description{font-size:14px;margin-top:18px}.network-map{width:100%;margin:16px auto 0}.network-map img{height:auto;min-height:180px;object-fit:contain}.network-map figcaption{position:static;font-size:11px;margin-top:4px}.editorial-section,.about,.news{display:flex;flex-direction:column;min-height:0}.editorial-content{padding:30px 8%;min-height:250px}.editorial-content .section-title{font-size:26px}.editorial-content .section-title:after{width:38px;margin-top:8px}.editorial-content>p{font-size:14px;line-height:1.75;margin-top:16px}.desktop-break{display:none}.editorial-content>.button{min-height:44px;padding:10px 23px;font-size:14px;margin-top:18px}.editorial-image{height:240px;object-fit:cover}.about .editorial-image{object-position:right center}.news .editorial-image{height:260px}.news-content{padding:28px 8%}.news-list{margin-top:13px}.news-list button{font-size:14px;padding:12px 0;gap:18px;line-height:1.6}.news-list img{width:21px;height:21px}.news-content>.button{margin-top:15px}.contact{display:flex;flex-direction:column;padding:30px 6% 24px;gap:24px;min-height:0}.contact-content{padding:0}.contact .section-title{font-size:26px}.contact .section-title:after{width:38px;margin-top:8px}.contact .section-description{font-size:14px;white-space:normal;line-height:1.8;margin-top:18px;letter-spacing:0}.contact-form{margin-top:18px}.contact .form-grid{gap:12px}.contact input,.contact textarea{font-size:16px;min-height:44px;padding:10px 12px}.contact textarea{height:92px}.contact-actions{gap:16px;margin-top:12px}.contact-actions .button{min-height:44px;font-size:14px;padding:10px 26px}.contact-image{height:230px;object-position:65% center}.footer{height:auto}.footer-inner{width:84%;padding:30px 0 25px;grid-template-columns:1fr 1fr;gap:24px;min-height:0}.footer h2{font-size:14px;margin-bottom:12px}.footer p,.footer li{font-size:12px;line-height:1.8}.footer-bottom-inner{width:84%;padding:14px 0 18px;font-size:12px;gap:18px}.section-anchor{scroll-margin-top:12px}dialog{padding:22px}.dialog-heading h2{font-size:20px}.dialog-actions .button{flex:1}
}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

html::-webkit-scrollbar{width:0;height:0}

/* 首页客户端登录入口：桌面放在顶栏右侧，小屏独立一行。 */
.header-actions,.login-actions{display:flex;align-items:center}
.header-actions{gap:16px;flex-wrap:wrap}
.login-actions{gap:10px;flex-wrap:wrap}
.login-button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:calc(.35 * var(--scale)) calc(1.2 * var(--scale));border:1px solid var(--blue);font-size:14px;font-weight:600;line-height:1.4;white-space:nowrap;transition:background .18s,color .18s}
.login-client{background:#007ba8;color:#fff}
.login-client:hover{background:#00688f}
@media(max-width:960px){
  .topbar{padding:8px 0}
  .topbar-inner{flex-wrap:wrap;gap:8px}
  .quick-links{order:0}
  .header-actions{display:contents}
  .language-button{order:1;margin-left:auto}
  .login-actions{order:2;width:100%;justify-content:flex-end;gap:8px}
  .login-button{min-height:44px;padding:8px 13px;font-size:14px}
}

/* 动效只改变透明度与视觉位移，不改变原有区块尺寸。 */
@keyframes hero-arrive {
  from { opacity: 0; transform: translateY(22px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes hero-settle {
  from { transform: scale(1.045); }
  to { transform: scale(1); }
}
@keyframes panel-arrive {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes backdrop-arrive {
  from { opacity: 0; }
  to { opacity: 1; }
}
@media(prefers-reduced-motion:no-preference) {
  .hero-image { animation: hero-settle 2.4s cubic-bezier(.16,1,.3,1) both; }
  .hero-content h1 { animation: hero-arrive .8s cubic-bezier(.16,1,.3,1) .12s both; }
  .hero-content>.button { animation: hero-arrive .7s cubic-bezier(.16,1,.3,1) .28s backwards; }
  .hero-content>p { animation: hero-arrive .7s cubic-bezier(.16,1,.3,1) .4s both; }
  .reveal-item {
    transition: opacity .6s ease var(--reveal-delay,0ms), transform .7s cubic-bezier(.16,1,.3,1) var(--reveal-delay,0ms);
  }
  .reveal-pending { opacity: 0; transform: translateY(24px); }
  .reveal-item:focus-within { opacity: 1; transform: none; transition: none; }
  dialog[open] { animation: hero-arrive .24s cubic-bezier(.16,1,.3,1); }
  dialog[open]::backdrop { animation: backdrop-arrive .2s ease; }
}
.button,.login-button {
  transition: transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
}
.button:active,.login-button:active { transform: translateY(1px) scale(.98); }
.button img { transition: transform .2s ease; }
.button:focus-visible img { transform: translateX(3px); }
.main-navigation a { position: relative; }
.main-navigation a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; background: var(--blue); transform: scaleX(0);
  transform-origin: left; transition: transform .22s ease;
}
.main-navigation a.active::after,.main-navigation a:focus-visible::after { transform: scaleX(1); }
.service { transition: transform .24s ease; }
.service-icon { transition: transform .24s ease, box-shadow .24s ease; }
.service:focus-visible .service-icon { transform: scale(1.08); box-shadow: 0 0 0 5px #ffffff24; }
.news-list button { transition: color .2s ease, background .2s ease, padding-left .2s ease; }
.news-list button:focus-visible { background: #16a8e70c; }
input,select,textarea { transition: border-color .2s ease, background .2s ease, box-shadow .2s ease; }
input:focus,select:focus,textarea:focus {
  border-color: var(--blue); background: #fff; box-shadow: inset 0 -2px 0 var(--blue);
}
.menu-button img { transition: transform .22s ease; }
.menu-button[aria-expanded="true"] img { transform: rotate(90deg); }
@media(hover:hover) and (pointer:fine) {
  .button:hover,.login-button:hover { transform: translateY(-2px); box-shadow: 0 5px 16px #0085be26; }
  .button:hover img { transform: translateX(3px); }
  .button:active,.login-button:active { transform: translateY(0) scale(.98); }
  .main-navigation a:hover::after { transform: scaleX(1); }
  .service:hover { transform: translateX(5px); }
  .service:hover .service-icon { transform: scale(1.08); box-shadow: 0 0 0 5px #ffffff24; }
  .news-list button:hover { background: #16a8e70c; padding-left: 6px; }
}
@media(max-width:960px) and (prefers-reduced-motion:no-preference) {
  .main-navigation.is-open { animation: panel-arrive .24s ease-out; }
}
@media(prefers-reduced-motion:reduce) {
  :root { scroll-behavior: auto; }
  *,*::before,*::after { animation: none!important; transition: none!important; }
  .reveal-pending { opacity: 1; transform: none; }
  .button,.login-button,.button img,.service,.service-icon,.menu-button img { transform: none!important; }
}

/* 真实地理轮廓与独立网页文字，避免低像素地图文字被放大。 */
.network { height:auto; min-height:calc(36.849 * var(--scale)); padding-bottom:calc(2.3 * var(--scale)); }
.network-map { width:86%; max-width:1240px; margin:calc(1.5 * var(--scale)) auto 0; }
.network-map-canvas { position:relative; aspect-ratio:163/75; }
.network-map-canvas>img { width:100%; height:auto; min-height:0; aspect-ratio:163/75; }
.map-label { position:absolute; z-index:1; color:#28536b; font-size:clamp(13px,1.25vw,20px); font-weight:650; line-height:1.25; white-space:nowrap; pointer-events:none; text-shadow:0 1px 2px #fff,0 -1px 2px #fff; }
.map-label.align-middle { transform:translate(-50%,-50%); }
.map-label.align-start { transform:translateY(-50%); }
.map-label.align-end { transform:translate(-100%,-50%); }
.map-label-muted { color:#63747f; font-weight:500; }
.map-label-port,.map-label-destination { font-size:clamp(11px,.9vw,14px); font-weight:500; }
.map-label-origin { color:#008ec8; font-weight:750; }
.network-mode-key { display:flex; justify-content:center; flex-wrap:wrap; gap:8px 24px; margin:12px 0 0; color:#537381; font-size:12px; line-height:1.6; }
.network-legend { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; list-style:none; padding:0; margin:24px 0 0; text-align:left; }
.network-legend .route-card { display:flex; flex-direction:column; gap:10px; min-width:0; padding:16px; border:1px solid #e0e8ec; border-top:3px solid var(--route-color,#13a8e5); background:#f7fafb; }
.route-card strong { font-size:16px; line-height:1.4; color:#244d63; }
.route-card span { font-size:14px; line-height:1.75; color:#486473; overflow-wrap:anywhere; }
.route-card small { margin-top:auto; font-size:12px; line-height:1.6; color:#61717b; }
.network-connections { margin-top:16px; text-align:left; font-size:12px; line-height:1.8; color:#537381; }
.network-connections span { display:block; }
.network-map figcaption { position:static; width:auto; font-size:12px; color:#61717b; line-height:1.7; margin-top:16px; }
.network-hd-link { display:table; margin:14px auto; color:#007ba8; border-bottom:1px solid currentColor; padding:10px 4px; font-size:14px; min-height:44px; }
.network-sources { display:block; font-size:12px; }
.network-sources a { color:#007ba8; text-decoration:underline; text-underline-offset:3px; }
@media(max-width:1100px) {
  .map-label-port,.map-label-destination { display:none; }
}
@media(max-width:640px) {
  .network { min-height:0; padding-bottom:25px; }
  .network-map { width:100%; margin-top:20px; }
  .map-label { font-size:12px; }
  .map-label-muted { font-size:11px; }
  .network-mode-key { justify-content:flex-start; gap:4px 16px; font-size:11px; }
  .network-legend { grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px; margin-top:20px; }
  .network-legend .route-card { padding:12px; gap:8px; }
  .route-card strong { font-size:15px; }
  .route-card:last-child { grid-column:1/-1; }
  .network-map figcaption { font-size:12px; margin-top:14px; }
}
@media(max-width:380px) {
  .network-legend { grid-template-columns:1fr; }
}

/* 图片保留摄影内容；中文标语由真实网页文字呈现。 */
.demand-image,.services-image,.editorial-image,.contact-image { min-width:0; min-height:0; }
.photo-frame { position:relative; margin:0; min-width:0; min-height:0; height:100%; overflow:hidden; }
.photo-frame>.editorial-image,.photo-frame>.contact-image { height:100%; }
.photo-caption { position:absolute; right:calc(2 * var(--scale)); bottom:calc(1.8 * var(--scale)); padding:calc(.8 * var(--scale)) calc(1.2 * var(--scale)); color:#fff; background:#102c45c9; text-align:right; line-height:1.5; }
.photo-caption span { display:block; font-size:clamp(12px,1.25vw,22px); font-weight:500; }
.photo-caption strong { display:block; font-size:clamp(14px,1.65vw,28px); font-weight:650; letter-spacing:.02em; }
@media(max-width:640px) {
  .about .photo-frame { height:240px; }
  .contact .photo-frame { height:230px; }
  .photo-caption { right:16px; bottom:16px; padding:8px 12px; }
  .photo-caption span { font-size:13px; }
  .photo-caption strong { font-size:18px; }
}

/* English copy needs narrower type and room to wrap; Chinese layout stays shared. */
html:lang(en) { font-family:Arial,sans-serif; }
:lang(en) .brand strong { font-size:clamp(20px,1.7vw,30px); letter-spacing:.01em; }
:lang(en) .brand span { letter-spacing:.18em; }
:lang(en) .hero h1 { font-size:clamp(30px,3.1vw,58px); line-height:1.18; letter-spacing:-.025em; }
:lang(en) .hero-content>p { font-size:clamp(15px,1.35vw,24px); }
:lang(en) .map-label-port,:lang(en) .map-label-destination { max-width:14%; white-space:normal; font-size:clamp(11px,.78vw,13px); }
@media(max-width:960px) {
  :lang(en) .main-navigation a { white-space:normal; }
}
@media(max-width:640px) {
  :lang(en) .quick-links { width:100%; flex-wrap:nowrap; gap:10px; }
  :lang(en) .quick-links a { flex:1; min-width:0; }
  :lang(en) .login-actions { order:1; width:auto; }
  :lang(en) .language-button { order:2; }
  :lang(en) .hero h1 { font-size:clamp(25px,7.2vw,32px); }
  :lang(en) .hero-content>p { font-size:14px; }
}