/* @author ZQ — Contextual scenes and ascending company history. */
body[data-scene-v5]{--scene-base:#07172e;--scene-close:#073f89;--scene-art-opacity:.66}
body[data-scene-v5="services"]{--scene-hero:url('scenes-v5/services-hero.svg');--scene-tail:url('scenes-v5/services-close.svg');--scene-base:#081832;--scene-close:#083874}
body[data-scene-v5="ai"]{--scene-hero:url('scenes-v5/ai-hero.svg');--scene-tail:url('scenes-v5/ai-close.svg');--scene-base:#09162f;--scene-close:#073d79}
body[data-scene-v5="custom"]{--scene-hero:url('scenes-v5/custom-hero.svg');--scene-tail:url('scenes-v5/custom-close.svg');--scene-base:#071c35;--scene-close:#074578}
body[data-scene-v5="consulting"]{--scene-hero:url('scenes-v5/consulting-hero.svg');--scene-tail:url('scenes-v5/consulting-close.svg');--scene-base:#101f35;--scene-close:#24486f}
body[data-scene-v5="ip"]{--scene-hero:url('scenes-v5/ip-hero.svg');--scene-tail:url('scenes-v5/ip-close.svg');--scene-base:#0c1a32;--scene-close:#173f77}
body[data-scene-v5="solutions"]{--scene-hero:url('scenes-v5/solutions-hero.svg');--scene-tail:url('scenes-v5/solutions-close.svg');--scene-base:#081c34;--scene-close:#084b83}
body[data-scene-v5="manufacturing"]{--scene-hero:url('scenes-v5/manufacturing-hero.svg');--scene-tail:url('scenes-v5/manufacturing-close.svg');--scene-base:#0b2133;--scene-close:#174860}
body[data-scene-v5="retail"]{--scene-hero:url('scenes-v5/retail-hero.svg');--scene-tail:url('scenes-v5/retail-close.svg');--scene-base:#082139;--scene-close:#114f8c}
body[data-scene-v5="collaboration"]{--scene-hero:url('scenes-v5/collaboration-hero.svg');--scene-tail:url('scenes-v5/collaboration-close.svg');--scene-base:#121e36;--scene-close:#284677}
body[data-scene-v5="chain"]{--scene-hero:url('scenes-v5/chain-hero.svg');--scene-tail:url('scenes-v5/chain-close.svg');--scene-base:#062437;--scene-close:#125467}
body[data-scene-v5="health"]{--scene-hero:url('scenes-v5/health-hero.svg');--scene-tail:url('scenes-v5/health-close.svg');--scene-base:#072334;--scene-close:#145166}
body[data-scene-v5="products"]{--scene-hero:url('scenes-v5/products-hero.svg');--scene-tail:url('scenes-v5/products-close.svg');--scene-base:#09192f;--scene-close:#123d74}
body[data-scene-v5="xingchao"]{--scene-hero:url('scenes-v5/xingchao-hero.svg');--scene-tail:url('scenes-v5/xingchao-close.svg');--scene-base:#101931;--scene-close:#244778;--scene-art-opacity:.5}
body[data-scene-v5="mall"]{--scene-hero:url('scenes-v5/mall-hero.svg');--scene-tail:url('scenes-v5/mall-close.svg');--scene-base:#082039;--scene-close:#0d517e;--scene-art-opacity:.45}
body[data-scene-v5="dining"]{--scene-hero:url('scenes-v5/dining-hero.svg');--scene-tail:url('scenes-v5/dining-close.svg');--scene-base:#132130;--scene-close:#305365;--scene-art-opacity:.48}
body[data-scene-v5="pet"]{--scene-hero:url('scenes-v5/pet-hero.svg');--scene-tail:url('scenes-v5/pet-close.svg');--scene-base:#08232f;--scene-close:#0c5c63;--scene-art-opacity:.52}
body[data-scene-v5="cases"]{--scene-hero:url('scenes-v5/cases-hero.svg');--scene-tail:url('scenes-v5/cases-close.svg');--scene-base:#101c32;--scene-close:#294975}
body[data-scene-v5="logistics"]{--scene-hero:url('scenes-v5/logistics-hero.svg');--scene-tail:url('scenes-v5/logistics-close.svg');--scene-base:#092238;--scene-close:#185275}
body[data-scene-v5="education"]{--scene-hero:url('scenes-v5/education-hero.svg');--scene-tail:url('scenes-v5/education-close.svg');--scene-base:#101f35;--scene-close:#305476}
body[data-scene-v5="energy"]{--scene-hero:url('scenes-v5/energy-hero.svg');--scene-tail:url('scenes-v5/energy-close.svg');--scene-base:#082330;--scene-close:#1a535b}
body[data-scene-v5="data"]{--scene-hero:url('scenes-v5/data-hero.svg');--scene-tail:url('scenes-v5/data-close.svg');--scene-base:#061d37;--scene-close:#0c447d}
body[data-scene-v5="wallet"]{--scene-hero:url('scenes-v5/wallet-hero.svg');--scene-tail:url('scenes-v5/wallet-close.svg');--scene-base:#142138;--scene-close:#2c4775}
body[data-scene-v5="insights"]{--scene-hero:url('scenes-v5/insights-hero.svg');--scene-tail:url('scenes-v5/insights-close.svg');--scene-base:#101e34;--scene-close:#294a76}
body[data-scene-v5="about"]{--scene-hero:url('scenes-v5/history-mountains.png');--scene-tail:url('scenes-v5/about-close.svg');--scene-base:#091e35;--scene-close:#24486c}
body[data-scene-v5="contact"]{--scene-hero:url('scenes-v5/contact-hero.svg');--scene-tail:url('scenes-v5/contact-close.svg');--scene-base:#0a213c;--scene-close:#184577}
body[data-scene-v5="privacy"]{--scene-hero:url('scenes-v5/privacy-hero.svg');--scene-tail:url('scenes-v5/privacy-close.svg');--scene-base:#0e2238;--scene-close:#284467}
body[data-scene-v5] :is(.inner-hero,.v4-case-hero,.v4-product-hero){position:relative;isolation:isolate;overflow:hidden;background:var(--scene-base);color:#fff}
body[data-scene-v5] :is(.inner-hero,.v4-case-hero,.v4-product-hero)::before{content:'';position:absolute;inset:0;z-index:-1;background:var(--scene-hero) no-repeat right center / auto 100%;opacity:var(--scene-art-opacity);pointer-events:none;transform:none;filter:none}
body[data-scene-v5] :is(.inner-hero,.v4-case-hero,.v4-product-hero)::after{content:'';position:absolute;inset:0;z-index:-1;width:auto;height:auto;border:0;border-radius:0;box-shadow:none;transform:none;background:linear-gradient(90deg,var(--scene-base) 24%,transparent 95%);pointer-events:none;opacity:1}
body[data-scene-v5] :is(.inner-hero,.v4-case-hero,.v4-product-hero)>.container{position:relative;z-index:1}
body[data-scene-v5="about"] .inner-hero::before{background-size:cover;background-position:center 54%;opacity:.55}
body[data-scene-v5="about"] .inner-hero::after{background:linear-gradient(90deg,#091e35ed 5%,#091e35b3 45%,#091e3500 100%)}
body[data-scene-v5] :is(.contact-band,.ss-start,.ss-next,.v4-related-solution){background-color:var(--scene-close);background-image:linear-gradient(90deg,var(--scene-close) 25%,transparent 100%),var(--scene-tail);background-position:center,right center;background-size:cover,auto 100%;background-repeat:no-repeat;color:#fff;isolation:isolate}
body[data-scene-v5] :is(.contact-band,.ss-start,.ss-next,.v4-related-solution) :is(h2,p){color:#fff}
body[data-scene-v5] :is(.contact-band,.ss-start,.ss-next,.v4-related-solution) p{opacity:.86}
body[data-scene-v5] :is(.ss-start,.ss-next,.v4-related-solution) .button.primary{background:#fff;color:#143b6a;border-color:#fff}
body[data-scene-v5] :is(.ss-start,.ss-next,.v4-related-solution) .button.primary:hover{background:#e1edff;border-color:#e1edff}
body[data-scene-v5] .ss-next{padding:30px 34px;border-radius:12px;gap:30px;border:0}
body[data-scene-v5] .v4-related-solution{padding:38px 44px;border-radius:12px;border:0}
body[data-route-v5^="article-"] .article-v3>header{position:relative;isolation:isolate;padding-bottom:35px;border-bottom:1px solid #d8e4f2;overflow:hidden}
body[data-route-v5^="article-"] .article-v3>header::before{content:'';position:absolute;inset:0 -110px 0 20%;background:var(--scene-hero) no-repeat right center / auto 100%;opacity:.55;z-index:-1;pointer-events:none}
body[data-route-v5^="article-"] .article-v3>header::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#fff 25%,#ffffff4d);z-index:-1;pointer-events:none}
body[data-route-v5^="article-"] .article-byline{flex-wrap:wrap;row-gap:8px}
/* @author ZQ — Natural panoramic ridge, one node per year, no duplicate year legend. */
.history-v5{position:relative;isolation:isolate;overflow:hidden;background:#07182e;color:#fff;padding:76px 0 40px}
.history-v7-heading-row{display:flex;justify-content:space-between;align-items:flex-end;gap:40px}
.history-v5-heading{max-width:760px}
.history-v5-heading h2{font-size:clamp(30px,3vw,44px);font-weight:500;letter-spacing:-.025em;line-height:1.55;text-wrap:balance;margin:0;color:#fff}
.history-v5-heading p{font-size:14px;color:#b7cbdf;line-height:1.95;max-width:690px;margin:18px 0 0}
.history-v5-jumps{display:flex;gap:10px;align-items:center;flex-shrink:0;padding-bottom:3px}
.history-v7-progress{display:flex;align-items:baseline;gap:10px;margin-right:12px;font:12px Manrope,"Tianguang Sans",sans-serif;color:#7291af;font-variant-numeric:tabular-nums}
.history-v7-progress b{color:#f6fbff;font-size:22px;font-weight:500}
.history-v7-progress>span{color:#3b5979}
.history-v5-jumps button{width:44px;height:44px;display:grid;place-items:center;border:1px solid #54728e;border-radius:50%;background:#ffffff05;color:#eff8ff;cursor:pointer;transition:background .2s,border-color .2s,color .2s}
.history-v5-jumps button svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0}
.history-v5-jumps button:hover:not(:disabled){color:#0b2846;background:#e6f3ff;border-color:#e6f3ff}
.history-v5-jumps button:disabled{opacity:.28;cursor:default}
.history-v5-jumps button:focus-visible{outline:2px solid #c0e5ff;outline-offset:4px}
.history-v5-scroll{margin-top:27px;overflow-x:auto;overscroll-behavior-inline:contain;scroll-behavior:smooth;scrollbar-color:#496a89 #142e48;scrollbar-width:thin;padding-bottom:13px;position:relative}
.history-v5-scroll:focus-visible{outline:2px solid #a4d6ff;outline-offset:7px}
.history-v6-stage{position:relative;isolation:isolate;width:100%;min-width:var(--history-min-width);height:520px;overflow:hidden}
.history-v7-landscape{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;opacity:.88;z-index:-2}
.history-v7-shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,#07182e 0%,#07182e7a 15%,#07182e00 39%,#07182e00 75%,#07182e 100%);pointer-events:none}
.history-v6-mountains{position:absolute;inset:0;width:100%;height:100%;display:block;overflow:visible;pointer-events:none}
.history-v5-track{list-style:none;margin:0;padding:0;position:absolute;inset:0;height:100%}
.history-v5-track li{position:absolute;top:var(--peak-y);left:var(--peak-x);width:110px;transform:translateX(-50%);text-align:center;scroll-margin-top:160px;outline:0}
.history-v7-node{display:block;position:relative;border:0;padding:0;width:100%;height:44px;margin-top:-22px;color:#cce5fa;background:transparent;cursor:pointer;text-align:center}
.history-v6 .history-v6-caption{position:absolute;bottom:calc(100% + 1px);left:-2px;right:-2px;top:auto;width:auto;transform:none;transition:color .25s,transform .25s}
.history-v5-year{display:block;font-family:Manrope,"Tianguang Sans",sans-serif;font-size:28px;line-height:1.35;font-weight:500;letter-spacing:-.025em;color:inherit;font-variant-numeric:tabular-nums}
.history-v7-title{display:block;max-width:105px;font-size:13px;font-weight:400;line-height:1.65;min-height:44px;margin:6px auto 0;color:#d0e1f1;text-wrap:balance;word-break:keep-all}
.history-v5-point{position:absolute;top:50%;left:50%;display:block;width:9px;height:9px;transform:translate(-50%,-50%);border:2px solid #c8e6fb;border-radius:50%;background:#173751;transition:background .2s,box-shadow .2s}
.history-v5-point::after{content:"";position:absolute;inset:-7px;border:1px solid #bcddfb55;border-radius:50%;opacity:0;transition:opacity .2s}
.history-v5-track li[data-current] .history-v5-point{background:#fff;border-color:#fff;box-shadow:0 0 16px #7fcaff9c}
.history-v5-track li[data-current] .history-v5-point::after{opacity:1}
.history-v5-track li[data-current] .history-v5-year{color:#fff}
.history-v5-track li[data-current] .history-v7-title{color:#fff}
.history-v7-node:hover .history-v6-caption{color:#fff;transform:translateY(-3px)}
.history-v7-node:focus-visible{outline:2px solid #b3dbfc;outline-offset:6px;border-radius:4px}
.history-v7-bottom{display:flex;justify-content:space-between;gap:60px;align-items:center;margin-top:22px;padding-top:22px;border-top:1px solid #24405a;min-height:109px}
.history-v7-detail{display:flex;align-items:flex-start;gap:24px;max-width:770px}
.history-v7-detail-year{font:500 34px/1.3 Manrope,"Tianguang Sans",sans-serif;color:#d9edff;min-width:90px;letter-spacing:-.025em}
.history-v7-detail h3{font-size:16px;line-height:1.6;margin:0 0 6px;font-weight:500;color:#f2f8fe}
.history-v7-detail p{font-size:13px;line-height:1.95;color:#b1c8de;margin:0;max-width:620px}
.history-v5-mobile-hint{display:block;flex-shrink:0;font-size:12px;line-height:1.9;color:#b1c8de;margin:0;text-align:right}
.history-v5-mobile-hint span{display:block;font-size:11px;color:#7695b2}
/* The full ten-year panorama remains visible on desktop; phones keep a readable horizontal canvas. */
@media(min-width:1200px){
.history-v6-stage{min-width:0;height:auto;aspect-ratio:3/1}
.history-v5-scroll{overflow-x:hidden;padding-bottom:0}
.history-v5-track li{width:88px}
.history-v6 .history-v6-caption{bottom:calc(100% - 7px);left:0;right:0}
.history-v5-year{font-size:25px}
.history-v7-title{max-width:86px;font-size:12px;min-height:34px;line-height:1.55}
}
@media(min-width:1700px){body[data-scene-v5] :is(.inner-hero,.v4-case-hero,.v4-product-hero)::before{background-size:cover}}
@media(max-width:1080px){body[data-scene-v5] :is(.inner-hero,.v4-case-hero,.v4-product-hero)::before{background-position:calc(100% + 170px) center;opacity:calc(var(--scene-art-opacity)*.8)}.history-v5{padding:65px 0 32px}.history-v7-heading-row{gap:28px}.history-v7-bottom{gap:30px}.history-v5-mobile-hint{display:none}}
@media(max-width:720px){body[data-scene-v5] :is(.inner-hero,.v4-case-hero,.v4-product-hero)::before{background-position:calc(100% + 200px) center;opacity:.34}body[data-scene-v5="about"] .inner-hero::before{background-position:60% center;opacity:.6}body[data-scene-v5] :is(.contact-band,.ss-start,.ss-next,.v4-related-solution){background-position:center,67% center}body[data-scene-v5] .ss-next{padding:26px 22px;display:block}body[data-scene-v5] .ss-next p{margin-bottom:24px}body[data-scene-v5] .v4-related-solution{padding:29px 25px}.history-v5{padding:54px 0 30px}.history-v7-heading-row{display:block}.history-v5-heading h2{font-size:30px;max-width:340px}.history-v5-heading p{font-size:13px;margin-top:17px;line-height:1.95}.history-v5-jumps{margin-top:22px;justify-content:flex-end}.history-v7-progress{margin-right:auto}.history-v5-scroll{margin-top:6px;margin-right:-20px;padding-right:20px}.history-v6-stage{height:520px}.history-v7-bottom{display:block;padding-top:21px;margin-top:17px;min-height:145px}.history-v7-detail{gap:16px}.history-v7-detail-year{font-size:28px;min-width:70px}.history-v7-detail h3{font-size:15px}.history-v7-detail p{font-size:12px;line-height:1.95}.history-v5-mobile-hint{display:none}body[data-route-v5^="article-"] .article-byline{font-size:10px;gap:12px}}