:root{--blue:#154ea8;--navy:#092951;--ink:#1d2935;--muted:#73808b;--line:#d9e0e6;--paper:#f5f7f9;--white:#fff;--orange:#ee5b3c}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:var(--white);font:15px/1.75 'Noto Sans SC','Microsoft YaHei',sans-serif}a{color:inherit;text-decoration:none}.container{width:min(1230px,calc(100% - 72px));margin:0 auto}
section[id]{scroll-margin-top:92px}
.site-header{height:78px;background:#fff;border-bottom:1px solid #edf0f3;position:sticky;top:0;z-index:20}.nav{height:78px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;color:#1f2933;white-space:nowrap}.brand-mark{width:36px;height:36px;display:flex;align-items:center;justify-content:center}.brand-mark img{display:block;width:35px;height:35px;object-fit:contain}.brand-mark b{display:none;font-size:22px;color:var(--blue);font-weight:800}.brand strong{display:block;font-size:17px;line-height:1.2;letter-spacing:.04em;font-weight:800}.brand small{display:block;color:#98a2ab;font:9px/1.45 Manrope,sans-serif;letter-spacing:.15em}.nav-menu{height:100%;display:flex;align-items:center;gap:42px;color:#505c67;font-size:14px}.nav-menu>a{height:100%;display:flex;align-items:center;border-bottom:3px solid transparent;transition:color .2s,border .2s}.nav-menu>a:hover,.nav-menu>a.active{color:var(--blue);border-color:var(--blue)}.nav-search{width:22px;position:relative}.nav-search span{display:block;width:18px;height:18px;border:1.5px solid #7c8790;border-radius:50%}.nav-search span:after{content:'';position:absolute;width:7px;height:1.5px;background:#7c8790;right:0;bottom:27px;transform:rotate(45deg);transform-origin:right center}.menu-toggle{display:none;background:none;border:0;padding:8px}.menu-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:4px}
.hero{height:612px;position:relative;overflow:hidden;background:var(--navy);color:#fff}.hero-photo{position:absolute;inset:0;background:url('https://images.unsplash.com/photo-1558494949-ef010cbdcc31?auto=format&fit=crop&w=2200&q=88') center/cover no-repeat}.hero-overlay{position:absolute;inset:0;background:rgba(7,29,60,.72)}.hero-inner{position:relative;padding-top:142px}.hero-kicker{font-size:14px;letter-spacing:.18em;color:#b7d5f8;margin:0 0 23px}.hero h1{font-size:clamp(48px,6.3vw,82px);font-weight:700;line-height:1.16;letter-spacing:.01em;margin:0 0 27px}.hero h1 span{color:#a9d2ff}.hero-desc{max-width:520px;font-size:16px;line-height:2;color:#dce8f4;margin:0}.hero-link{display:inline-flex;align-items:center;gap:28px;color:#fff;font-size:14px;margin-top:32px;border-bottom:1px solid #a9c8e7;padding-bottom:8px}.hero-link i{font-style:normal;font-size:20px;color:#b8dcff}.hero-index{position:absolute;right:42px;bottom:34px;display:flex;align-items:center;gap:12px;color:#b6c9dc;font:11px Manrope,sans-serif;letter-spacing:.16em}.hero-index b{color:#fff;font-size:14px}.hero-index span{display:block;width:46px;height:1px;background:#7d9ab6}.hero-index em{font-style:normal}
.statement{padding:100px 0 105px;text-align:center;background:#fff}.statement-inner{display:flex;align-items:center;flex-direction:column}.section-label{color:var(--blue);font-size:12px;letter-spacing:.16em;margin:0 0 20px;font-weight:700}.statement h2,.section-heading h2,.proof-copy h2,.contact h2{font-size:clamp(34px,4.3vw,54px);line-height:1.38;font-weight:400;letter-spacing:.01em;margin:0}.statement h2{color:#263544}.statement h2::first-line{font-weight:700}.statement-copy{max-width:690px;color:#6d7983;line-height:2.05;margin:27px auto 22px;font-size:15px}.plain-link{display:inline-flex;align-items:center;gap:20px;color:var(--blue);font-size:13px;font-weight:600}.plain-link span{font-size:18px}
.business{padding:104px 0 120px;background:var(--paper)}.section-heading{display:flex;align-items:end;justify-content:space-between;margin-bottom:45px}.section-heading h2{color:#293642}.section-heading h2 strong,.proof-copy h2 strong,.contact h2 strong{font-weight:700}.business-panel{display:grid;grid-template-columns:36% 64%;min-height:466px;background:#fff}.business-list{border:1px solid var(--line);border-right:0}.business-item{min-height:116px;padding:23px 26px;display:grid;grid-template-columns:37px 1fr 24px;align-items:center;border-bottom:1px solid var(--line);transition:background .2s,color .2s}.business-item:last-child{border-bottom:0}.business-item:hover,.business-item.active{color:#fff;background:var(--blue)}.business-no{align-self:start;margin-top:4px;color:#a4afb7;font:12px Manrope,sans-serif}.business-item.active .business-no,.business-item:hover .business-no{color:#bed8ff}.business-item h3{font-size:21px;font-weight:700;line-height:1.25;margin:0 0 5px}.business-item p{font-size:12px;color:#7c8790;margin:0}.business-item.active p,.business-item:hover p{color:#d8e7fa}.business-arrow{font-size:18px;text-align:right;color:#8f9ba4}.business-item.active .business-arrow,.business-item:hover .business-arrow{color:#fff}.business-image{position:relative;min-height:466px;background:url('https://images.unsplash.com/photo-1565610222536-ef125c59da2e?auto=format&fit=crop&w=1400&q=85') center/cover no-repeat}.business-image:after{content:'';position:absolute;inset:0;background:rgba(8,38,78,.5)}.business-image-copy{position:absolute;z-index:1;left:54px;bottom:49px;color:#fff}.business-image-copy span{display:block;font-size:12px;letter-spacing:.15em;color:#bedcff;margin-bottom:15px}.business-image-copy strong{display:block;font-size:38px;line-height:1.35;font-weight:600}.business-image-copy a{display:inline-block;margin-top:25px;border-bottom:1px solid #bad5f3;padding-bottom:7px;font-size:13px}
.proof{padding:108px 0 114px;background:#fff}.proof-grid{display:grid;grid-template-columns:39% 61%;gap:78px;align-items:center}.proof-number{padding:40px 0 43px;border-top:1px solid var(--blue);border-bottom:1px solid var(--line)}.proof-number>span{display:block;color:#6e7c87;font-size:13px;margin-bottom:23px}.proof-number strong{font:600 128px/.9 Manrope,sans-serif;color:var(--blue);letter-spacing:-.07em}.proof-number small{font-size:20px;color:var(--blue);margin-left:10px}.proof-number p{font-size:13px;color:#7c8790;margin:23px 0 0}.proof-copy{max-width:600px}.proof-copy>p:not(.section-label){color:#71808a;line-height:2;margin:23px 0 30px}.proof-points{display:flex;border-top:1px solid var(--line);padding-top:20px;gap:50px}.proof-points div{display:flex;gap:12px;align-items:center}.proof-points b{font:12px Manrope,sans-serif;color:var(--blue)}.proof-points span{font-size:13px;color:#45535d}
.partners{padding:106px 0 112px;background:var(--paper)}.partners-heading>p{width:320px;color:#79848c;font-size:13px;line-height:2;margin:0 0 5px}.partner-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.partner{height:152px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#fff;display:flex;align-items:center;padding:24px 28px;gap:16px}.partner img{width:44px;height:44px;object-fit:contain}.partner>strong{font-size:15px;font-weight:600;color:#35434e}.logo-fallback{display:none;width:44px;height:44px;align-items:center;justify-content:center;color:#fff;font-size:21px;font-weight:800}.logo-fallback.mobile{background:#0878c9}.logo-fallback.unicom{background:#e5002d}.logo-fallback.telecom{background:#188bd0}.logo-fallback.radio{background:#4f4a9f}.logo-fallback.sf{background:#f27b2d}.logo-fallback.aneng{background:#184477}.logo-fallback.deppon{background:#e83d2f}.logo-fallback.jd{background:#d71e28}.partner-note{font-size:11px;color:#8b969f;margin:17px 0 0}
.contact{padding:104px 0 110px;background:var(--navy);color:#fff}.contact-grid{display:grid;grid-template-columns:47% 53%;gap:82px;align-items:start}.section-label.light{color:#b9d8fb}.contact h2{color:#fff}.contact-copy{color:#c4d4e3;line-height:2;margin:24px 0 0}.contact-form{background:#fff;color:var(--ink);padding:32px 35px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:22px}.contact-form label{display:block;color:#687681;font-size:12px;margin-bottom:20px}.contact-form input,.contact-form select,.contact-form textarea{width:100%;display:block;border:0;border-bottom:1px solid #cfd9e1;border-radius:0;padding:8px 0 10px;margin-top:4px;background:transparent;outline:0;color:#293744;font:14px inherit}.contact-form textarea{resize:vertical;min-height:65px}.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--blue)}.contact-form button{width:100%;border:0;background:var(--blue);color:#fff;padding:14px 18px;font:600 13px inherit;cursor:pointer}.contact-form button:hover{background:#103f88}.contact-form button span{margin-left:15px;font-size:17px}.form-note{color:#98a3ab;font-size:10px;margin:13px 0 0}.form-success{display:none;color:#2f7151;background:#eef8f1;font-size:12px;padding:9px 11px;margin:12px 0 0}.form-success.show{display:block}
.footer{background:#061d3a;color:#b7c5d0}.footer-top{min-height:100px;display:flex;align-items:center;border-bottom:1px solid #ffffff2b}.footer .brand{color:#fff}.footer-links{display:flex;gap:30px;margin-left:auto;margin-right:47px;font-size:12px}.footer-links a:hover{color:#fff}.footer-top-link{width:31px;height:31px;border:1px solid #748ba1;display:flex;align-items:center;justify-content:center;color:#d4e7f7}.footer-bottom{display:flex;justify-content:space-between;padding:18px 0 25px;color:#7f93a4;font-size:10px}
@media (max-width:900px){.container{width:min(100% - 40px,650px)}.nav-menu{display:none;position:absolute;top:78px;left:20px;right:20px;height:auto;background:#fff;border:1px solid var(--line);box-shadow:0 12px 30px #102b4b1a;flex-direction:column;align-items:stretch;gap:0;padding:8px 20px}.nav-menu.open{display:flex}.nav-menu>a{height:auto;padding:13px 0;border-bottom:1px solid var(--line)!important}.nav-search{display:none!important}.menu-toggle{display:block}.hero{height:590px}.hero-inner{padding-top:128px}.hero h1{font-size:58px}.statement{padding:82px 0}.business,.proof,.partners,.contact{padding:82px 0}.section-heading{align-items:flex-start;gap:28px;flex-direction:column;margin-bottom:35px}.business-panel{grid-template-columns:1fr}.business-image{min-height:360px}.business-list{border-right:1px solid var(--line)}.proof-grid{grid-template-columns:1fr;gap:55px}.proof-number{max-width:520px}.partners-heading>p{width:auto;margin-top:0}.partner-grid{grid-template-columns:repeat(2,1fr)}.contact-grid{grid-template-columns:1fr;gap:48px}.footer-top{flex-wrap:wrap;padding:28px 0;gap:25px}.footer-links{order:3;width:100%;justify-content:space-between;margin:0;gap:10px}.footer-bottom{display:block;line-height:2}.footer-bottom span{display:block}}
@media (max-width:520px){.container{width:calc(100% - 32px)}.site-header,.nav{height:70px}.nav-menu{top:70px}.brand strong{font-size:14px}.brand small{font-size:8px}.hero{height:590px}.hero-inner{padding-top:121px}.hero-kicker{font-size:11px}.hero h1{font-size:49px;line-height:1.23}.hero-desc{font-size:14px;line-height:1.9}.hero-index{right:18px;bottom:25px}.statement{padding:70px 0}.statement h2,.section-heading h2,.proof-copy h2,.contact h2{font-size:34px}.statement-copy{font-size:14px;text-align:left}.business,.proof,.partners,.contact{padding:70px 0}.business-item{padding:20px 16px;grid-template-columns:33px 1fr 20px}.business-item h3{font-size:18px}.business-image-copy{left:28px;bottom:32px}.business-image-copy strong{font-size:32px}.proof-number strong{font-size:100px}.proof-points{gap:22px;justify-content:space-between}.proof-points div{gap:7px}.proof-points span{font-size:12px}.partner{height:125px;padding:18px 13px;gap:10px}.partner img,.logo-fallback{width:36px;height:36px}.partner>strong{font-size:13px}.contact-form{padding:25px 20px}.form-row{grid-template-columns:1fr;gap:0}.footer-links{font-size:11px}}

/* Project-owned brand imagery generated for this site. */
.hero-photo{background-image:url('output/imagegen/xingxuan-hero.webp')}
.hero-overlay{background:linear-gradient(90deg,rgba(7,29,60,.68),rgba(7,29,60,.28) 65%,rgba(7,29,60,.52))}
.business-image{background-image:url('output/imagegen/xingxuan-business.webp')}
.business-image:after{background:linear-gradient(0deg,rgba(8,38,78,.8),rgba(8,38,78,.06) 70%)}
.brand-logo{display:block;width:166px;height:48px;object-fit:contain;object-position:left center}
.footer-brand-logo{filter:brightness(0) invert(1);opacity:.92}
.brand-symbol{width:42px;height:42px;display:block;object-fit:contain}.brand-name{display:block}.brand-name strong{font-size:16px;white-space:nowrap}.brand-name small{font-size:7px;white-space:nowrap}.footer-brand .brand-name strong{color:#fff}.footer-brand .brand-name small{color:#7690a9}
.partner>.logo-fallback.unicom,.partner>.logo-fallback.aneng{display:flex}
.contact-meta{display:flex;gap:52px;margin-top:45px;padding-top:23px;border-top:1px solid #ffffff2c;max-width:480px}.contact-meta small{display:block;color:#8fa9c1;font-size:10px;letter-spacing:.12em;margin-bottom:6px}.contact-meta a,.contact-meta span{color:#fff;font:500 15px Manrope,'Noto Sans SC',sans-serif}
@media(max-width:520px){.brand-logo{width:140px;height:42px}.brand-symbol{width:38px;height:38px}.brand-name strong{font-size:15px}.contact-meta{gap:30px;flex-wrap:wrap;margin-top:32px}}

.apps{padding:104px 0 112px;background:#fff}.apps-heading>p{width:320px;color:#79848c;font-size:13px;line-height:2;margin:0 0 5px}.apps-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.app-item{min-height:164px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px;display:grid;grid-template-columns:64px 1fr 22px;align-items:center;gap:18px;background:#fff;transition:background .2s}.app-item:hover{background:#f0f5fb}.app-item img{width:64px;height:64px;object-fit:cover;border-radius:14px}.app-item div strong{display:block;font-size:17px;color:#263846;margin-bottom:5px}.app-item div span{display:block;color:#84909a;font-size:12px;line-height:1.6}.app-item i{font-style:normal;font-size:19px;color:var(--blue);align-self:start}
@media(max-width:900px){.apps{padding:82px 0}.apps-heading>p{width:auto;margin-top:0}.apps-grid{grid-template-columns:1fr}}
@media(max-width:520px){.apps{padding:70px 0}.app-item{min-height:132px;padding:20px 16px;grid-template-columns:54px 1fr 20px;gap:13px}.app-item img{width:54px;height:54px;border-radius:12px}.app-item div strong{font-size:16px}}

.partners{background:var(--navy);color:#fff}.partners-heading h2{color:#fff}.partners-heading>p{color:#b5c8da}.partner-categories{border-top:1px solid #ffffff35}.partner-category{display:grid;grid-template-columns:220px 1fr;border-bottom:1px solid #ffffff35}.partner-category-title{padding:31px 28px 31px 0;display:flex;align-items:flex-start;gap:18px}.partner-category-title>span{color:#78b5f4;font:500 11px Manrope,Arial,sans-serif;padding-top:4px}.partner-category-title strong{display:block;font-size:16px;font-weight:600}.partner-category-title small{display:block;color:#7892aa;font:9px/1.6 Manrope,Arial,sans-serif;letter-spacing:.13em;margin-top:3px}.partner-brand-grid{display:grid;grid-template-columns:repeat(4,1fr);border-left:1px solid #ffffff35}.partner-brand{height:132px;background:#fff;border-right:1px solid #dbe2e8;display:flex;align-items:center;justify-content:center;gap:14px;padding:23px}.partner-brand:last-child{border-right:0}.partner-brand>img:not(.logistics-logo):not(.operator-logo-full){width:46px;height:46px;object-fit:contain}.partner-brand>strong{color:#2d3d49;font-size:15px;font-weight:600;white-space:nowrap}.operator-mark{width:46px;height:46px;display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;font-weight:800;background:#e5002d}.operator-logo-full{display:block;width:min(100%,175px);height:auto;max-height:62px;object-fit:contain}.logistics-logo{display:block;width:min(100%,190px);height:auto;max-height:62px;object-fit:contain}.partners .partner-note{color:#718ca5;margin-top:18px}
@media(max-width:900px){.partner-category{grid-template-columns:1fr}.partner-category-title{padding:25px 0}.partner-brand-grid{border-left:0;border-top:1px solid #ffffff35;grid-template-columns:repeat(2,1fr)}.partner-brand:nth-child(2){border-right:0}.partner-brand:nth-child(-n+2){border-bottom:1px solid #dbe2e8}}
@media(max-width:520px){.partner-brand{height:112px;padding:16px 11px;gap:9px}.partner-brand>img:not(.logistics-logo):not(.operator-logo-full),.operator-mark{width:38px;height:38px}.partner-brand>strong{font-size:13px}.operator-logo-full{max-width:145px;max-height:52px}.logistics-logo{max-width:138px;max-height:52px}}

.business-item{position:relative;width:100%;font:inherit;text-align:left;border-top:0;border-left:0;background:#fff;cursor:pointer;overflow:hidden}.business-text{display:block}.business-text strong{display:block;font-size:21px;line-height:1.25;margin-bottom:5px}.business-text small{display:block;font-size:12px;color:#7c8790}.business-item.active .business-text small,.business-item:hover .business-text small{color:#d8e7fa}.business-progress{position:absolute;left:0;bottom:0;width:100%;height:3px;background:#9bc9ff;transform:scaleX(0);transform-origin:left}.business-item.active .business-progress{animation:businessProgress 5.2s linear forwards}.business-image{overflow:hidden;background:none}.business-slide{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.02);transition:opacity .65s ease,transform 1.2s ease}.business-slide.active{opacity:1;transform:scale(1)}.business-image:after{z-index:1}.business-image-copy{z-index:2}.business-image-copy strong{min-height:103px}.business-counter{position:absolute;z-index:2;right:27px;top:24px;color:#fff;display:flex;align-items:baseline;gap:5px;font:11px Manrope,Arial,sans-serif}.business-counter b{font-size:17px}.business-counter span{color:#bed6ed}.business-image-copy.is-changing{animation:businessCopy .45s ease}.business-item:focus-visible{outline:3px solid #6aa9ed;outline-offset:-3px}
@keyframes businessProgress{to{transform:scaleX(1)}}@keyframes businessCopy{0%{opacity:.25;transform:translateY(8px)}100%{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.business-slide{transition:none}.business-item.active .business-progress{animation:none;transform:scaleX(1)}.business-image-copy.is-changing{animation:none}}
@media(max-width:520px){.business-text strong{font-size:18px}.business-image-copy strong{min-height:86px}.business-counter{top:18px;right:18px}}

.contact{background:#eef3f7;color:var(--ink);border-top:1px solid #dce5ec}.contact-grid{grid-template-columns:1fr 1fr;gap:92px;align-items:center}.contact-intro .section-label{color:var(--blue)}.contact h2{color:#263746}.contact-copy{color:#6e7c88;max-width:500px}.contact-meta{border-top:1px solid #cad7e1}.contact-meta small{color:#8293a0}.contact-meta a,.contact-meta span{color:#263746}.contact-form{box-shadow:0 18px 50px rgba(20,57,91,.08);border-top:3px solid var(--blue);padding:34px 38px}.form-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;padding-bottom:20px;margin-bottom:22px;border-bottom:1px solid #dde4ea}.form-heading strong{font-size:18px;color:#263746}.form-heading span{color:#929ca4;font-size:10px}.contact-form button{min-height:48px}.footer{background:#071b33}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr;gap:42px}.contact-intro{max-width:600px}}
@media(max-width:520px){.contact-form{padding:25px 20px}.form-heading{display:block}.form-heading span{display:block;margin-top:4px}.contact-meta{display:grid;grid-template-columns:1fr 1fr;gap:18px}.contact-meta a,.contact-meta span{font-size:13px}}

.nav-menu{gap:28px;font-size:13px}
.innovation{padding:108px 0 116px;background:#081f3d;color:#fff}.innovation-heading h2{color:#fff}.innovation-heading>p{width:340px;color:#aebfd0;font-size:13px;line-height:2;margin:0 0 5px}.project-list{border-top:1px solid #ffffff35}.project-item{display:grid;grid-template-columns:190px 1fr 170px;gap:50px;padding:42px 0;border-bottom:1px solid #ffffff35;align-items:start}.project-index span{display:block;color:#65adf2;font:500 12px Manrope,Arial,sans-serif}.project-index small{display:block;color:#698198;font:9px Manrope,Arial,sans-serif;letter-spacing:.15em;margin-top:10px}.project-copy h3{font-size:27px;margin:0 0 11px}.project-copy>p{color:#adbfce;max-width:630px;font-size:13px;line-height:2;margin:0}.project-flow{display:flex;align-items:center;gap:14px;margin-top:20px}.project-flow span{color:#d9e8f5;font-size:11px;padding-bottom:4px;border-bottom:1px solid #547797}.project-flow i{font-style:normal;color:#4a759f}.project-status{display:flex;align-items:center;justify-content:flex-end;gap:10px;color:#8fa8be;font-size:11px}.project-status>span{width:6px;height:6px;background:#4ea9f7;border-radius:50%}
.achievements{padding:106px 0 112px;background:#fff}.achievements-heading>p{width:340px;color:#79848c;font-size:13px;line-height:2;margin:0 0 5px}.achievement-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.achievement-item{height:210px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);padding:36px 29px;display:flex;flex-direction:column;justify-content:space-between}.achievement-item strong{font:500 58px/1 Manrope,Arial,sans-serif;color:var(--blue);letter-spacing:-.04em}.achievement-item strong small{font:600 16px 'Noto Sans SC','Microsoft YaHei',sans-serif;margin-left:5px}.achievement-item span{font-size:13px;color:#5f6f7b}.achievement-source{font-size:10px;color:#99a3aa;margin:14px 0 0}.proof-number strong{letter-spacing:0;font-family:'Noto Sans SC','Microsoft YaHei',sans-serif}
.network{padding:110px 0;background:#061a34;color:#fff;overflow:hidden}.network-grid{display:grid;grid-template-columns:34% 66%;gap:40px;align-items:center}.network-copy h2{font-size:clamp(38px,4.7vw,62px);line-height:1.3;font-weight:400;margin:0}.network-copy h2 strong{font-weight:700}.network-copy>p:not(.section-label){color:#adc0d1;font-size:14px;line-height:2;max-width:390px;margin:25px 0 0}.address-block{margin-top:45px;padding:22px 0;border-top:1px solid #ffffff30;border-bottom:1px solid #ffffff30;max-width:390px}.address-block span,.address-block small{display:block;color:#7790a6;font-size:10px;letter-spacing:.1em}.address-block strong{display:block;font-size:20px;margin:7px 0 1px}.network-legend{display:flex;gap:26px;margin-top:22px;color:#8ea5b8;font-size:10px}.network-legend span{display:flex;align-items:center;gap:7px}.network-legend i{display:block;border-radius:50%}.legend-origin{width:9px;height:9px;background:#fff;box-shadow:0 0 0 5px #2f8ee64f}.legend-node{width:6px;height:6px;background:#5fb4ff}.network-map-wrap{position:relative}.china-map{width:100%;height:570px}.map-note{text-align:right;color:#526d85;font-size:9px;margin:0}
@media(max-width:1100px){.nav-menu{gap:18px;font-size:12px}.network-grid{grid-template-columns:1fr}.network-copy{max-width:650px}.china-map{height:500px}}
@media(max-width:900px){.innovation,.achievements,.network{padding:82px 0}.innovation-heading>p,.achievements-heading>p{width:auto;margin-top:0}.project-item{grid-template-columns:110px 1fr;gap:25px}.project-status{grid-column:2;justify-content:flex-start}.achievement-grid{grid-template-columns:1fr 1fr}.china-map{height:460px}}
@media(max-width:520px){.innovation,.achievements,.network{padding:70px 0}.project-item{grid-template-columns:1fr;gap:18px;padding:30px 0}.project-index{display:flex;align-items:center;gap:12px}.project-index small{margin:0}.project-copy h3{font-size:23px}.project-status{grid-column:auto}.project-flow{gap:9px}.achievement-item{height:160px;padding:24px 18px}.achievement-item strong{font-size:42px}.achievement-item span{font-size:12px}.china-map{height:340px;margin-top:25px}.network-legend{gap:18px}.network-map-wrap{margin-left:-8px;margin-right:-8px}}

.hero-slides{position:absolute;inset:0}.hero-photo{opacity:0;transform:scale(1.025);transition:opacity .8s ease,transform 6.5s ease}.hero-photo.active{opacity:1;transform:scale(1)}.hero-photo-1{background-image:url('output/imagegen/xingxuan-hero.webp')}.hero-photo-2{background-image:url('output/imagegen/hero-mobile-connectivity.webp')}.hero-photo-3{background-image:url('output/imagegen/hero-logistics-network.webp')}.hero-photo-4{background-image:url('output/imagegen/hero-enterprise-broadband.webp')}.hero-copy-panel.is-changing{animation:heroCopy .55s ease}.hero-controls{position:absolute;right:max(36px,calc((100vw - 1230px)/2));bottom:30px;display:flex;align-items:center;gap:17px;z-index:3}.hero-arrow{width:34px;height:34px;border:1px solid #ffffff65;background:transparent;color:#fff;font-size:16px;cursor:pointer}.hero-arrow:hover{background:#fff;color:var(--navy)}.hero-dots{display:flex;align-items:center;gap:8px}.hero-dots button{width:36px;height:34px;padding:0;border:0;background:transparent;cursor:pointer;display:flex;align-items:center}.hero-dots button span{display:block;width:100%;height:2px;background:#ffffff59;position:relative;overflow:hidden}.hero-dots button.active span:after{content:'';position:absolute;inset:0;background:#fff;transform-origin:left;animation:heroProgress 6.5s linear forwards}.hero-index{position:static;min-width:58px;justify-content:flex-end}.hero-index span{width:auto;height:auto;background:none;color:#8fa8bf}.hero{touch-action:pan-y}.hero.is-paused .hero-dots button.active span:after{animation-play-state:paused}
@keyframes heroProgress{to{transform:scaleX(0)}}@keyframes heroCopy{0%{opacity:.25;transform:translateY(10px)}100%{opacity:1;transform:none}}
@media(prefers-reduced-motion:reduce){.hero-photo{transition:none;transform:none}.hero-dots button.active span:after{animation:none}.hero-copy-panel.is-changing{animation:none}}
@media(max-width:900px){.hero-controls{right:20px;bottom:24px}.hero-dots button{width:24px}.hero-arrow{width:32px;height:32px}}
@media(max-width:520px){.hero-photo{background-position:62% center}.hero-photo-2,.hero-photo-3,.hero-photo-4{background-position:68% center}.hero-controls{left:16px;right:16px;justify-content:flex-end;gap:10px}.hero-dots button{width:20px}.hero-arrow{display:none}.hero-index{min-width:48px}}

.network{padding:108px 0 114px;background:#f4f7fa;color:var(--ink);border-top:1px solid #e0e7ed}.network-heading{margin-bottom:38px}.network-heading h2{font-size:clamp(36px,4.3vw,54px);line-height:1.38;font-weight:400;color:#293642;margin:0}.network-heading h2 strong{font-weight:700}.network-heading>p{width:360px;color:#75838d;font-size:13px;line-height:2;margin:0 0 5px}.network-panel{background:#fff;border:1px solid #d5e0e8}.network-summary{min-height:118px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);border-bottom:1px solid #d5e0e8}.network-hq,.network-fact{padding:25px 28px;display:flex;flex-direction:column;justify-content:center}.network-hq{border-right:1px solid #d5e0e8}.network-hq span,.network-hq small{display:block;color:#82909a;font-size:10px;letter-spacing:.1em}.network-hq strong{display:block;color:#223644;font-size:22px;line-height:1.5;margin:3px 0 1px}.network-fact{position:relative;border-right:1px solid #e1e7ec}.network-fact:last-child{border-right:0}.network-fact b{font:500 10px Manrope,Arial,sans-serif;color:var(--blue);margin-bottom:12px}.network-fact span{font-size:13px;color:#526571}.network-map-wrap{position:relative;background:#eaf0f5;padding:7px 24px 12px;min-width:0}.network-legend{position:absolute;z-index:2;left:28px;top:22px;margin:0;padding:10px 14px;background:rgba(255,255,255,.86);backdrop-filter:blur(6px);color:#6f8493;border:1px solid rgba(163,183,198,.55)}.legend-origin{background:var(--blue);box-shadow:0 0 0 5px #2f8ee62e}.legend-node{background:#67a9e8}.china-map{height:500px}.map-note{color:#8998a4;padding-right:4px}.network-presence{margin-top:28px;display:grid;grid-template-columns:minmax(0,1.7fr) minmax(310px,.7fr);min-height:330px;background:#0a2a50;overflow:hidden}.network-presence-image{position:relative;min-height:330px}.network-presence-image:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent 65%,rgba(10,42,80,.2))}.network-presence-image img{display:block;width:100%;height:100%;min-height:330px;object-fit:cover}.network-presence-copy{padding:48px 44px;color:#fff;display:flex;flex-direction:column;justify-content:center}.network-presence-copy>span{font:500 10px Manrope,'Noto Sans SC',sans-serif;letter-spacing:.14em;color:#79b9f2}.network-presence-copy h3{font-size:32px;line-height:1.4;margin:13px 0 14px}.network-presence-copy p{font-size:12px;line-height:2;color:#abc0d2;margin:0}.presence-values{display:flex;gap:18px;margin-top:28px;padding-top:18px;border-top:1px solid #ffffff25}.presence-values span{font-size:11px;color:#e2edf6}.network+.partners{border-top:0}
@media(max-width:1100px){.network-summary{grid-template-columns:1.3fr repeat(3,1fr)}.network-hq,.network-fact{padding:22px 20px}.china-map{height:470px}}
@media(max-width:900px){section[id],header[id]{scroll-margin-top:80px}.network{padding:82px 0}.network-heading>p{width:auto;margin-top:0}.network-summary{grid-template-columns:1fr 1fr}.network-hq{grid-column:1/-1;border-right:0;border-bottom:1px solid #d5e0e8}.network-fact{padding:20px}.network-fact:last-child{grid-column:1/-1;border-top:1px solid #e1e7ec}.china-map{height:440px}.network-presence{grid-template-columns:1fr}.network-presence-image,.network-presence-image img{min-height:390px}.network-presence-copy{padding:36px 32px}}
@media(max-width:520px){section[id],header[id]{scroll-margin-top:72px}.network{padding:70px 0}.network-heading{margin-bottom:30px}.network-heading h2{font-size:34px}.network-summary{grid-template-columns:1fr}.network-hq,.network-fact{padding:18px}.network-hq,.network-fact{border-right:0;border-bottom:1px solid #e2e8ed}.network-fact,.network-fact:last-child{grid-column:auto;border-top:0}.network-fact{display:grid;grid-template-columns:34px 1fr;align-items:center}.network-fact b{margin:0}.network-map-wrap{padding:6px 3px 9px}.network-legend{position:static;width:max-content;margin:10px 12px 0;padding:8px 10px}.china-map{height:330px;margin:0}.map-note{text-align:center;padding:0;font-size:8px}.network-presence{margin-top:18px}.network-presence-image,.network-presence-image img{min-height:250px}.network-presence-copy{padding:28px 22px}.network-presence-copy h3{font-size:27px}.presence-values{gap:14px;flex-wrap:wrap}}

/* Corporate footer */
.footer{background:#071b33;color:#9cb0c2}.footer-main{min-height:300px;padding:58px 0 52px;display:grid;grid-template-columns:minmax(280px,1.15fr) minmax(480px,1.5fr) 86px;gap:72px;border-bottom:1px solid #ffffff20}.footer-profile{display:flex;flex-direction:column;align-items:flex-start}.footer-profile>p{margin:25px 0 27px;color:#8fa5b8;font-size:12px;line-height:2}.footer-phone{display:block}.footer-phone small{display:block;color:#6f89a0;font-size:10px;margin-bottom:4px}.footer-phone strong{color:#fff;font:500 21px/1.4 Manrope,Arial,sans-serif}.footer-nav{display:grid;grid-template-columns:repeat(3,1fr);gap:44px}.footer-nav>div{display:flex;flex-direction:column;align-items:flex-start}.footer-nav strong{color:#fff;font-size:13px;margin-bottom:19px}.footer-nav a,.footer-nav span{color:#8fa5b8;font-size:11px;line-height:2.35;transition:color .2s}.footer-nav a:hover{color:#fff}.footer-top-link{width:72px;height:72px;align-self:start;border:1px solid #49637b;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;color:#d9e7f2;transition:background .2s,border-color .2s}.footer-top-link:hover{background:#154ea8;border-color:#154ea8}.footer-top-link span{font-size:20px;line-height:1}.footer-top-link small{font-size:9px}.footer-bottom{min-height:62px;padding:17px 0;display:flex;align-items:center;justify-content:space-between;color:#6f8497;font-size:10px}.footer-bottom>div{display:flex;align-items:center;gap:28px}.footer-bottom a:hover{color:#fff}
@media(max-width:900px){.footer-main{grid-template-columns:1fr 72px;gap:40px}.footer-nav{grid-column:1/-1;grid-row:2;gap:28px}.footer-top-link{grid-column:2;grid-row:1}.footer-bottom{align-items:flex-start;gap:12px}.footer-bottom>div{align-items:flex-end;flex-direction:column;gap:2px}}
@media(max-width:520px){.footer-main{padding:42px 0 36px;grid-template-columns:1fr 58px;gap:28px}.footer-top-link{width:58px;height:58px}.footer-nav{grid-template-columns:1fr 1fr;gap:28px 24px;padding-top:8px}.footer-nav>div:last-child{grid-column:1/-1}.footer-profile>p{margin:21px 0}.footer-bottom{display:block;line-height:2;padding:16px 0 20px}.footer-bottom>div{display:block}.footer-bottom>div span,.footer-bottom>div a{display:block}}

/* Core business: channel-focused hierarchy and workflow. */
.business-chain{display:grid;grid-template-columns:260px 1fr;background:#fff;border:1px solid var(--line);border-top:0}.business-chain-heading{padding:25px 28px;border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:center}.business-chain-heading small{color:#8292a0;font:9px/1.4 Manrope,Arial,sans-serif;letter-spacing:.13em}.business-chain-heading strong{margin-top:7px;color:#263846;font-size:14px}.business-chain ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr)}.business-chain li{min-height:94px;padding:20px 18px;border-right:1px solid var(--line);display:flex;gap:13px;align-items:flex-start}.business-chain li:last-child{border-right:0}.business-chain li>b{color:var(--blue);font:500 10px/1.6 Manrope,Arial,sans-serif}.business-chain li>span{color:#354957;font-size:12px}.business-chain li small{display:block;margin-top:4px;color:#8a969f;font-size:9px;line-height:1.6}.business-image-copy a{font-weight:600}.business-image-copy a:after{content:'';display:block;width:70px;height:1px;margin-top:7px;background:#b8d7f5}
@media(max-width:900px){.business-chain{grid-template-columns:1fr}.business-chain-heading{border-right:0;border-bottom:1px solid var(--line)}.business-chain ol{grid-template-columns:repeat(2,1fr)}.business-chain li:nth-child(2){border-right:0}.business-chain li:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:520px){.business .section-heading{gap:20px}.business-panel{display:flex;flex-direction:column}.business-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-bottom:0}.business-item{min-height:104px;padding:15px 13px;grid-template-columns:24px 1fr;gap:5px;border-right:1px solid var(--line)}.business-item:nth-child(2n){border-right:0}.business-item:nth-child(-n+2){border-bottom:1px solid var(--line)}.business-arrow{display:none}.business-text strong{font-size:16px;margin-bottom:7px}.business-text small{font-size:9px;line-height:1.55}.business-no{font-size:10px}.business-image{min-height:390px}.business-image-copy{left:28px;right:22px}.business-image-copy strong{font-size:29px;min-height:78px}.business-chain{margin-top:0}.business-chain-heading{padding:19px 18px}.business-chain li{min-height:88px;padding:16px 12px;gap:8px}.business-chain li>span{font-size:11px}.business-chain li small{font-size:8px}}