@font-face{font-family:Noto Sans SC Variable;src:url(/assets/noto-sans-sc-hhj.woff2) format("woff2");font-style:normal;font-weight:100 900;font-display:swap}@font-face{font-family:ZCOOL XiaoWei;src:url(/assets/zcool-xiaowei-hhj.woff2) format("woff2");font-style:normal;font-weight:400;font-display:swap}:root{--ink: #111210;--ink-soft: #1a1b18;--paper: #f0efe9;--paper-dark: #deddd5;--muted: #87877e;--line: rgba(17, 18, 16, .18);--light-line: rgba(255, 255, 255, .16);--accent: #ff6a1a;--accent-deep: #d94a00;--display: "ZCOOL XiaoWei", serif;--sans: "Noto Sans SC Variable", sans-serif;--page: min(1400px, calc(100vw - 80px) )}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input{font:inherit}::selection{color:var(--paper);background:var(--accent)}.skip-link{position:fixed;left:16px;top:-80px;z-index:100;background:var(--accent);color:#fff;padding:12px 18px}.skip-link:focus{top:16px}.site-header{position:fixed;z-index:50;top:0;left:0;width:100%;height:84px;display:flex;align-items:center;justify-content:space-between;padding:0 40px;color:#fff;transition:background .35s ease,height .35s ease,border-color .35s ease;border-bottom:1px solid transparent}.site-header.is-scrolled{height:68px;background:#111210e6;border-color:var(--light-line);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:900;letter-spacing:-.04em}.brand b{color:var(--accent)}.brand-mark{position:relative;display:grid;place-items:center;width:30px;height:30px;border:1px solid currentColor;border-radius:50%}.brand-mark:before,.brand-mark:after{content:"";position:absolute;background:currentColor}.brand-mark:before{width:38px;height:1px}.brand-mark:after{height:38px;width:1px}.brand-mark i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px #ff6a1a33}.main-nav{display:flex;align-items:center;gap:34px;font-size:13px;font-weight:600}.main-nav>a{color:#ffffffad;transition:color .2s ease}.main-nav>a:hover{color:#fff}.language-menu{position:relative;color:#ffffffc2;border:0}.language-menu summary{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:0 10px;border-radius:999px;list-style:none;white-space:nowrap;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:color .16s ease,background-color .16s ease,transform .1s ease-out}.language-menu summary::-webkit-details-marker{display:none}.language-menu summary:after{content:"⌄";margin-top:-3px;font-size:11px;transition:transform .22s cubic-bezier(.22,1,.36,1)}.language-menu summary:hover,.language-menu.is-visible summary{color:#fff;background:#ffffff12}.language-menu summary:active{transform:scale(.96)}.language-menu summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.language-menu.is-visible summary:after{transform:rotate(180deg)}.language-menu-popover{position:absolute;top:calc(100% + 10px);right:0;z-index:20;min-width:138px;padding:7px;border:1px solid rgba(255,255,255,.13);border-radius:14px;background:#191a18f5;box-shadow:0 18px 45px #00000047;-webkit-backdrop-filter:blur(18px) saturate(160%);backdrop-filter:blur(18px);opacity:0;visibility:hidden;pointer-events:none;filter:blur(3px);transform:translate3d(0,-6px,0) scale(.96);transform-origin:top right;will-change:transform,opacity;transition:opacity .18s ease-out,transform .22s cubic-bezier(.22,1,.36,1),filter .18s ease-out,visibility 0s linear .22s}.language-menu.is-visible .language-menu-popover{opacity:1;visibility:visible;pointer-events:auto;filter:none;transform:none;transition-delay:0s}.language-menu-popover a{display:flex;align-items:center;min-height:44px;padding:0 11px;border-radius:9px;color:#ffffffb8;font-size:12px;white-space:nowrap;transition:color .15s ease,background-color .15s ease,transform .1s ease-out}.language-menu-popover a:hover,.language-menu-popover a[aria-current=true]{color:#fff;background:#ffffff17}.language-menu-popover a:active{transform:scale(.97)}.language-menu-popover a:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.menu-button{display:none;background:none;border:0;padding:8px}.menu-button span{display:block;width:26px;height:1px;margin:7px 0;background:#fff}.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;background:var(--ink);color:#fff}.hero-image{position:absolute;inset:0;background:url(/assets/hhj-pro-hero.webp) center / cover no-repeat;animation:hero-in 1.5s cubic-bezier(.22,1,.36,1) both}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,#0b0c0af0,#0b0c0aad 40%,#0b0c0a0d 76%),linear-gradient(0deg,rgba(11,12,10,.74) 0%,transparent 42%)}.hero:after{content:"";position:absolute;inset:0;opacity:.08;pointer-events:none;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E")}.hero-content{position:relative;z-index:2;width:var(--page);margin:0 auto;padding-top:62px}.eyebrow,.kicker{display:flex;align-items:center;gap:12px;margin:0 0 22px;color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}.eyebrow span{width:7px;height:7px;background:var(--accent);border-radius:50%;box-shadow:0 0 0 6px #ff6a1a29}.hero h1{margin:0 0 10px;font-family:var(--sans);font-size:clamp(84px,13vw,190px);line-height:.77;letter-spacing:-.095em;font-weight:900;animation:copy-in 1s .25s cubic-bezier(.22,1,.36,1) both}.hero h1 em{color:var(--accent);font-style:normal}.hero-tagline{margin:0 0 8px;color:#ffffffb8;font-size:13px;font-weight:600;letter-spacing:.06em}.hero-lead{margin:28px 0;color:#ffffffe6;font-family:var(--sans);font-size:clamp(25px,2.4vw,38px);font-weight:650;line-height:1.45}.hero-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:space-between;min-width:176px;padding:15px 18px;border:1px solid rgba(255,255,255,.36);font-size:13px;font-weight:700;transition:color .25s,background .25s,border-color .25s,transform .25s;cursor:pointer;background:transparent;color:inherit;font:inherit;text-align:left}.button:hover{transform:translateY(-2px)}.button-primary{color:#fff;background:var(--accent);border-color:var(--accent)}.button-primary:hover{background:var(--accent-deep);border-color:var(--accent-deep)}.button-quiet:hover{background:#fff;color:var(--ink);border-color:#fff}.button span{margin-left:28px}.button.is-copied{border-color:var(--accent);color:var(--accent)}.hero-note{margin:18px 0 0;color:#ffffff61;font-size:10px}.nav-cta{padding:12px 17px;border:1px solid rgba(255,255,255,.4);background:transparent;color:#fff;font:inherit;font-size:13px;font-weight:600;cursor:pointer}.nav-cta span{color:var(--accent);margin-left:9px}.text-link{display:inline-flex;justify-content:space-between;min-width:190px;margin-top:40px;padding:0 0 9px;border:0;border-bottom:1px solid var(--ink);background:none;color:inherit;font:inherit;font-size:13px;font-weight:700;cursor:pointer}.text-link span{color:var(--accent)}.coordinate{position:absolute;z-index:2;color:#ffffff5c;font:500 10px/1.6 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.13em}.coordinate-a{top:22%;right:4%}.coordinate-b{bottom:23%;right:6%;writing-mode:vertical-rl}.hero-status{position:absolute;z-index:3;right:40px;bottom:32px;display:flex;border-top:1px solid var(--light-line);border-bottom:1px solid var(--light-line)}.hero-status div{min-width:170px;padding:14px 18px;border-left:1px solid var(--light-line)}.hero-status div:last-child{border-right:1px solid var(--light-line)}.hero-status small,.hero-status strong{display:block}.hero-status small{margin-bottom:5px;color:#ffffff61;font-size:9px;letter-spacing:.16em}.hero-status strong{font:500 10px var(--sans);letter-spacing:.08em}.scroll-cue{position:absolute;z-index:2;left:40px;bottom:32px;display:flex;align-items:center;gap:12px;color:#ffffff59;font:500 9px var(--sans);letter-spacing:.17em;transform:rotate(-90deg);transform-origin:left center}.scroll-cue span{width:48px;height:1px;background:var(--accent);animation:cue 1.6s ease-in-out infinite}.section{position:relative;width:var(--page);margin:0 auto;padding:130px 0}.section-index{font:600 10px var(--sans);color:var(--muted);letter-spacing:.18em}.intro{display:grid;grid-template-columns:.65fr 1.4fr 1fr;gap:40px;align-items:start}.intro h2,.capability-copy h2,.workflow h2,.compatibility h2,.faq h2,.contact h2,.final-cta h2,.geo-facts h2,.compare h2,.scenarios h2{margin:0;font-family:var(--display);font-weight:400;letter-spacing:-.04em;line-height:1.12}.intro h2{font-size:clamp(42px,5vw,76px)}.intro-answer{padding-top:43px}.intro-answer>p:first-child{margin:0;font-size:17px;line-height:2}.intro-answer strong{font-weight:700}.verification{margin-top:34px;padding-left:15px;border-left:2px solid var(--accent);color:var(--muted);font-size:12px;line-height:1.8}.geo-facts{padding-top:100px;padding-bottom:100px}.geo-facts-head{max-width:720px;margin-bottom:56px}.geo-facts-head h2{margin:28px 0 18px;font-size:clamp(40px,5vw,68px)}.geo-facts-head>p{margin:0;color:var(--muted);font-size:14px;line-height:1.9}.fact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.fact-card{margin:0;padding:28px 24px;background:var(--paper)}.fact-card dt{margin:0 0 12px;color:var(--accent);font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.fact-card dd{margin:0;font-size:14px;line-height:1.7;font-weight:600}.compare{padding-top:120px;padding-bottom:100px}.compare-head{max-width:720px;margin-bottom:48px}.compare-head h2{margin:18px 0 16px;font-size:clamp(40px,5vw,68px)}.compare-head>p:last-child{margin:0;color:var(--muted);font-size:14px;line-height:1.9}.compare-table-wrap{overflow-x:auto;border:1px solid var(--line)}.compare-table{width:100%;min-width:720px;border-collapse:collapse;font-size:13px}.compare-table th,.compare-table td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;line-height:1.55}.compare-table thead th{background:#e8e7e0;font-size:12px;font-weight:700;letter-spacing:.04em}.compare-table tbody th{font-weight:700;width:18%;background:#11121008}.compare-table .highlight{background:#ff6a1a14;font-weight:700}.compare-table thead th.highlight{background:#ff6a1a29;color:var(--accent-deep)}.compare-note{margin:22px 0 0;color:var(--muted);font-size:12px;line-height:1.8}.scenarios{width:100%;max-width:none;padding:120px max(40px,calc((100vw - 1400px)/2));background:#e8e7e0}.scenarios-head{max-width:720px;margin-bottom:56px}.scenarios-head h2{margin:18px 0 0;font-size:clamp(40px,5vw,68px)}.scenario-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}.scenario-card{padding:36px 32px;background:var(--paper);min-height:220px}.scenario-card>span{color:var(--accent);font:600 11px var(--sans);letter-spacing:.12em}.scenario-card h3{margin:18px 0 12px;font-size:20px;letter-spacing:-.02em}.scenario-card p{margin:0;color:#5e5e56;font-size:13px;line-height:1.85}.capabilities{width:100%;padding:0;display:grid;grid-template-columns:1fr 1fr;background:var(--ink);color:#fff}.capability-visual{min-height:780px;display:grid;place-items:center;overflow:hidden;background:#191a17}.map-grid{position:relative;width:min(80%,610px);aspect-ratio:1 / 1.06;border:1px solid var(--light-line);background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);background-size:40px 40px}.map-grid:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 65% 34%,rgba(255,106,26,.14),transparent 23%)}.map-grid svg{width:100%;height:100%}.contour{fill:none;stroke:#ffffff21;stroke-width:1.2}.route{fill:none;stroke:var(--accent);stroke-width:3;stroke-dasharray:8 9}.route-node{fill:var(--paper)}.target-ring{fill:none;stroke:var(--accent);stroke-width:1;animation:pulse-ring 2.3s ease-out infinite;transform-origin:389px 220px}.target{fill:var(--accent)}.map-label{position:absolute;padding:5px 8px;background:var(--paper);color:var(--ink);font:600 9px var(--sans);letter-spacing:.07em}.map-label.start{left:4%;bottom:11%}.target-label{top:27%;right:12%}.map-crosshair{position:absolute;right:3%;bottom:4%;width:76px;height:76px;border:1px solid var(--light-line);border-radius:50%}.map-crosshair i,.map-crosshair b{position:absolute;left:50%;top:50%;background:var(--accent);transform:translate(-50%,-50%)}.map-crosshair i{width:98px;height:1px}.map-crosshair b{width:1px;height:98px}.capability-copy{padding:105px clamp(45px,7vw,110px)}.capability-copy h2{margin:68px 0 74px;font-size:clamp(44px,5vw,72px)}.feature-list{list-style:none;padding:0;margin:0}.feature-list li{display:grid;grid-template-columns:45px 1fr;gap:20px;padding:22px 0;border-top:1px solid var(--light-line)}.feature-list li:last-child{border-bottom:1px solid var(--light-line)}.feature-list li>span{color:var(--accent);font:600 10px var(--sans)}.feature-list p{margin:8px 0 0;color:#ffffff7a;font-size:13px;line-height:1.7}.workflow{padding-top:160px}.workflow-heading{margin:52px 0 80px 23%}.workflow h2{font-size:clamp(50px,7vw,100px)}.steps{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}.step{position:relative;min-height:390px;padding:30px 38px 38px;border-right:1px solid var(--line)}.step:first-child{border-left:1px solid var(--line)}.step>span{font:600 10px var(--sans);color:var(--accent)}.step h3{margin:38px 0 12px;font-family:var(--display);font-size:31px;font-weight:400}.step p{max-width:290px;margin:0;color:#67685f;font-size:13px;line-height:1.8}.step-icon{position:relative;width:120px;height:110px;margin:45px auto 15px}.plug-icon:before{content:"";position:absolute;left:33px;top:28px;width:52px;height:47px;border:2px solid var(--ink);border-radius:6px}.plug-icon:after{content:"";position:absolute;left:52px;top:10px;width:14px;height:20px;border:2px solid var(--ink);border-bottom:0}.plug-icon i{position:absolute;left:59px;top:75px;width:2px;height:26px;background:var(--accent)}.signal-icon i{position:absolute;border:2px solid var(--ink);border-bottom-color:transparent;border-left-color:transparent;border-radius:50%;transform:rotate(-45deg)}.signal-icon i:first-child{width:86px;height:86px;left:16px;top:13px}.signal-icon i:nth-child(2){width:52px;height:52px;left:33px;top:30px}.signal-icon b{position:absolute;left:55px;top:52px;width:12px;height:12px;background:var(--accent);border-radius:50%}.pin-icon i{position:absolute;left:36px;top:12px;width:48px;height:68px;border:2px solid var(--ink);border-radius:50% 50% 50% 0;transform:rotate(-45deg)}.pin-icon i:after{content:"";position:absolute;left:14px;top:14px;width:16px;height:16px;border-radius:50%;background:var(--accent)}.workflow-caveat{margin:24px 0 0 auto;max-width:680px;color:var(--muted);font-size:11px;line-height:1.8}.workflow-caveat a,.faq-list p a{color:var(--accent-deep);border-bottom:1px solid currentColor}.compatibility{width:100%;max-width:none;padding:140px max(40px,calc((100vw - 1400px)/2));display:grid;grid-template-columns:.95fr 1.05fr;gap:9vw;background:#dcdad1}.compat-copy h2{margin:35px 0 36px;font-size:clamp(48px,6vw,82px)}.compat-copy>p:not(.kicker){max-width:590px;color:#5e5e56;font-size:14px;line-height:2}.connector-spec{position:relative;align-self:center;border-top:1px solid var(--line)}.connector-row{display:grid;grid-template-columns:130px 1fr;gap:28px;align-items:center;min-height:190px;border-bottom:1px solid var(--line)}.connector-row small,.connector-row strong{display:block}.connector-row small{margin-bottom:7px;color:var(--muted);font-size:9px;letter-spacing:.12em}.connector-row strong{font-size:22px}.connector-row p{margin:8px 0 0;max-width:350px;color:#6e6e66;font-size:11px;line-height:1.7}.connector-photo{display:block;justify-self:center;width:128px;height:112px;object-fit:contain;filter:drop-shadow(0 10px 12px rgba(0,0,0,.12))}.tested-stamp{position:absolute;right:-18px;bottom:-48px;width:130px;height:130px;display:grid;place-items:center;text-align:center;border:1px solid rgba(255,106,26,.5);border-radius:50%;color:var(--accent);transform:rotate(-9deg)}.tested-stamp:before,.tested-stamp:after{content:"";position:absolute;inset:8px;border:1px dashed rgba(255,106,26,.55);border-radius:50%}.tested-stamp:after{inset:21px;border-style:solid}.tested-stamp span{z-index:1;font:500 8px/1.7 var(--sans);letter-spacing:.09em}.tested-stamp b{font-size:7px}.faq{display:grid;grid-template-columns:.75fr 1.25fr;gap:11vw;padding-top:160px;padding-bottom:160px}.faq h2{margin-top:58px;font-size:clamp(48px,6vw,78px)}.faq-list{border-top:1px solid var(--line)}details{border-bottom:1px solid var(--line)}summary{list-style:none;display:grid;grid-template-columns:36px 1fr 24px;gap:15px;align-items:center;padding:27px 0;cursor:pointer;font-size:16px;font-weight:600}summary::-webkit-details-marker{display:none}summary>span{color:var(--accent);font-size:9px}summary i{position:relative;width:18px;height:18px}summary i:before,summary i:after{content:"";position:absolute;left:50%;top:50%;width:14px;height:1px;background:var(--ink);transition:transform .25s}summary i:after{transform:rotate(90deg)}details[open] summary i:after{transform:rotate(0)}details>p{margin:-7px 38px 27px 51px;color:#64645c;font-size:13px;line-height:1.9}.contact{width:100%;max-width:none;padding:0}.contact-panel{width:min(1400px,calc(100vw - 80px));margin:0 auto;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;padding:90px 56px;background:#191a17;color:#fff;border:1px solid var(--light-line)}.contact h2{margin:28px 0 22px;font-size:clamp(42px,5vw,72px)}.contact-lead{max-width:520px;margin:0 0 28px;color:#ffffff94;font-size:14px;line-height:1.9}.contact-points{list-style:none;margin:0 0 36px;padding:0;display:flex;flex-wrap:wrap;gap:10px}.contact-points li{padding:8px 14px;border:1px solid var(--light-line);color:#ffffffc7;font-size:12px;font-weight:600}.contact-actions{display:flex;flex-wrap:wrap;gap:12px}.contact .button-quiet{border-color:#ffffff5c;color:#fff}.contact .button-quiet:hover{background:#fff;color:var(--ink)}.contact-hint{margin:18px 0 0;color:#ffffff61;font-size:11px}.contact-qr-card{justify-self:end;width:min(100%,300px);padding:28px 24px 24px;background:var(--paper);color:var(--ink);text-align:center;border:1px solid rgba(255,255,255,.08)}.qr-frame{display:grid;place-items:center;width:100%;padding:0;border:0;background:transparent;cursor:pointer}.qr-frame img{width:min(100%,220px);height:auto;display:block;background:#fff}.qr-caption{margin:16px 0 6px;font-size:12px;font-weight:700;letter-spacing:.08em}.wechat-id-line{margin:0;color:var(--muted);font-size:12px}.wechat-id-line strong{color:var(--ink);letter-spacing:.04em}.final-cta{width:100%;max-width:none;min-height:650px;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:120px 40px;background:var(--ink);color:#fff}.cta-copy{position:relative;z-index:2;text-align:center}.final-cta .kicker{justify-content:center}.final-cta h2{font-size:clamp(50px,7vw,96px)}.final-cta .hero-actions{justify-content:center;margin-top:48px}.sale-status{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:27px;color:#ffffff6e;font-size:10px}.sale-status i{width:6px;height:6px;background:var(--accent);border-radius:50%;box-shadow:0 0 0 5px #ff6a1a24}.cta-map{position:absolute;inset:-30%;transform:rotate(-10deg);opacity:.22;background-image:linear-gradient(rgba(255,255,255,.11) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.11) 1px,transparent 1px);background-size:75px 75px}.cta-map:before,.cta-map:after{content:"";position:absolute;left:50%;top:50%;width:600px;height:600px;border:1px solid rgba(255,106,26,.46);border-radius:50%;transform:translate(-50%,-50%)}.cta-map:after{width:360px;height:360px;border-style:dashed}.site-footer{display:grid;grid-template-columns:1.1fr 1fr auto;align-items:center;gap:30px;padding:55px 40px 24px;background:#090a08;color:#ffffff8c;border-top:1px solid var(--light-line)}.footer-brand{color:#fff}.site-footer>p{font-size:12px}.footer-links{display:flex;flex-wrap:wrap;gap:25px;font-size:12px;align-items:center}.footer-links button{border:0;background:none;color:inherit;font:inherit;cursor:pointer;padding:0}.footer-links button:hover,.footer-links a:hover{color:#fff}.site-footer small{grid-column:1 / -1;padding-top:25px;border-top:1px solid var(--light-line);font-size:9px}.mobile-bar{position:fixed;z-index:60;left:0;right:0;bottom:0;display:none;padding:12px 16px calc(12px + env(safe-area-inset-bottom));background:linear-gradient(180deg,transparent,rgba(9,10,8,.92) 28%);transform:translateY(110%);transition:transform .3s ease;pointer-events:none}.mobile-bar.is-visible{transform:none;pointer-events:auto}.mobile-bar-btn{width:100%;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:16px;border:0;background:var(--accent);color:#fff;font:700 14px var(--sans);cursor:pointer;box-shadow:0 10px 30px #00000059}.wechat-dot{width:8px;height:8px;border-radius:50%;background:#07c160;box-shadow:0 0 0 4px #07c16038}html[lang=en] .wechat-dot{background:#229ed9;box-shadow:0 0 0 4px #229ed938}.wechat-modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:24px}.wechat-modal[hidden]{display:none!important}.wechat-modal-backdrop{position:absolute;inset:0;background:#090a08b8;border:0;cursor:pointer}.wechat-modal-panel{position:relative;z-index:1;width:min(100%,400px);padding:36px 28px 28px;background:var(--paper);color:var(--ink);border:1px solid var(--line);box-shadow:0 30px 80px #00000059;text-align:center}.wechat-modal-panel .kicker{justify-content:center;margin-bottom:12px}.wechat-modal-panel h2{margin:0 0 22px;font-family:var(--display);font-size:28px;font-weight:400;letter-spacing:-.03em;line-height:1.25}.wechat-modal-close{position:absolute;top:10px;right:14px;width:36px;height:36px;border:0;background:none;color:var(--muted);font-size:28px;line-height:1;cursor:pointer}.wechat-modal-qr{display:grid;place-items:center;margin:0 auto 16px;padding:14px;background:#fff;border:1px solid var(--line);width:fit-content}.wechat-modal-qr img{display:block;width:200px;height:200px}.contact-platform-mark{display:grid;place-items:center;width:200px;height:200px;color:#fff;font-family:var(--sans);font-weight:900}.contact-qr-card .contact-platform-mark{width:220px;height:220px}.contact-platform-mark-telegram{background:#229ed9;font-size:82px}.contact-platform-mark-line{background:#06c755;font-size:42px;letter-spacing:-.06em}.wechat-modal-qr .contact-platform-photo,.contact-qr-card .contact-platform-photo{object-fit:cover;object-position:center 62%}.wechat-modal-qr .contact-platform-photo-line,.contact-qr-card .contact-platform-photo-line{object-fit:contain;object-position:center}.wechat-modal-id{margin:0 0 6px;font-size:14px}.wechat-modal-id strong{letter-spacing:.04em}.wechat-modal-note{margin:0 0 22px;color:var(--muted);font-size:12px}.wechat-modal-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.wechat-modal-actions .button{min-width:132px;color:var(--ink);border-color:var(--line);justify-content:center}.wechat-modal-actions .button span{margin-left:0}.wechat-modal-actions .button-primary{color:#fff;border-color:var(--accent)}.wechat-modal-actions a+.button-primary{color:var(--ink);background:transparent;border-color:var(--line)}.wechat-modal-actions .button-quiet:hover{background:var(--ink);color:#fff;border-color:var(--ink)}.wechat-modal-tip{min-height:18px;margin:14px 0 0;color:var(--accent);font-size:12px;font-weight:600}body.modal-open{overflow:hidden}.reveal{opacity:0;transform:translateY(28px);transition:opacity .75s ease,transform .75s cubic-bezier(.22,1,.36,1)}.reveal.is-visible{opacity:1;transform:translateY(0)}.feature-list .reveal:nth-child(2),.steps .reveal:nth-child(2){transition-delay:.08s}.feature-list .reveal:nth-child(3),.steps .reveal:nth-child(3){transition-delay:.16s}.feature-list .reveal:nth-child(4){transition-delay:.24s}@keyframes hero-in{0%{opacity:0;transform:scale(1.07)}to{opacity:1;transform:scale(1)}}@keyframes copy-in{0%{opacity:0;transform:translateY(35px)}to{opacity:1;transform:translateY(0)}}@keyframes cue{0%,to{transform:scaleX(.35);transform-origin:left}50%{transform:scaleX(1);transform-origin:left}}@keyframes pulse-ring{0%{transform:scale(.55);opacity:1}to{transform:scale(1.55);opacity:0}}@media(max-width:980px){:root{--page: calc(100vw - 48px) }.site-header{padding:0 24px}.menu-button{display:block;z-index:2}.main-nav{position:fixed;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:28px;background:#111210fa;opacity:0;visibility:hidden;transform:translateY(-18px);transition:.3s ease;font-size:22px}.main-nav.is-open{opacity:1;visibility:visible;transform:none}.main-nav>a{color:#ffffffe6}.main-nav .nav-cta{font-size:22px}.main-nav .language-menu summary{font-size:18px}.main-nav .language-menu-popover{left:50%;right:auto;transform:translate3d(-50%,-6px,0) scale(.96);transform-origin:top center}.main-nav .language-menu.is-visible .language-menu-popover{transform:translate(-50%)}body.menu-open{overflow:hidden}body.menu-open .site-header{-webkit-backdrop-filter:none;backdrop-filter:none}.hero-content{width:var(--page)}.hero-status{left:24px;right:24px;bottom:25px}.hero-status div{min-width:0;flex:1}.scroll-cue,.coordinate{display:none}.intro{grid-template-columns:1fr 2fr}.intro-answer{grid-column:2}.capabilities{grid-template-columns:1fr}.capability-visual{min-height:680px}.workflow-heading{margin-left:10%}.compatibility,.faq{grid-template-columns:1fr}.fact-grid{grid-template-columns:repeat(2,1fr)}.scenario-grid{grid-template-columns:1fr}.scenarios{padding-left:24px;padding-right:24px}.contact-panel{width:calc(100vw - 48px);grid-template-columns:1fr;padding:56px 28px;gap:36px}.contact-qr-card{justify-self:stretch;width:100%}}@media(max-width:680px){:root{--page: calc(100vw - 36px) }.site-header{height:68px;padding:0 18px}.hero{min-height:760px;align-items:flex-start}.hero-image{background-position:62% center;opacity:.75}.hero-shade{background:linear-gradient(180deg,#0b0c0af2 6%,#0b0c0a85 52%,#0b0c0aed 83%)}.hero-content{padding-top:150px}.hero h1{font-size:clamp(76px,25vw,120px);max-width:92%}.hero-lead{margin-top:28px;font-size:25px}.hero-actions{align-items:stretch}.hero .hero-actions{flex-direction:column;align-items:flex-start}.hero .button{width:min(100%,260px)}.button{min-width:0;flex:1;white-space:nowrap;padding:14px}.button span{margin-left:12px}.hero-status{display:grid;grid-template-columns:1fr 1fr;left:18px;right:18px}.hero-status div{border:0;border-top:1px solid var(--light-line);padding-left:0}.hero-status div:last-child{grid-column:1 / -1;border-right:0}.section{padding:90px 0}.intro{display:block}.intro h2{margin-top:40px;font-size:46px}.intro-answer{padding-top:40px}.capability-visual{min-height:480px}.map-grid{width:calc(100% - 38px)}.capability-copy{padding:75px 22px 90px}.capability-copy h2{margin:45px 0 52px;font-size:46px}.workflow{padding-top:100px}.workflow-heading{margin:40px 0 55px}.workflow h2{font-size:52px}.steps{grid-template-columns:1fr}.step,.step:first-child{min-height:320px;border:0;border-bottom:1px solid var(--line);padding:27px 12px}.step-icon{margin-top:25px}.step h3{margin-top:18px}.compatibility{padding:95px 18px 130px;gap:65px}.compat-copy h2{font-size:50px}.connector-row{grid-template-columns:95px 1fr;gap:15px}.connector-photo{width:92px;height:82px}.tested-stamp{right:0}.faq{gap:60px}.faq h2{margin-top:40px;font-size:50px}summary{font-size:14px}.fact-grid{grid-template-columns:1fr}.geo-facts,.compare{padding-top:90px;padding-bottom:80px}.geo-facts-head h2,.compare-head h2,.scenarios-head h2{font-size:42px}.scenarios{padding:90px 18px}.scenario-card{min-height:0;padding:28px 20px}.compare-table{font-size:12px}.final-cta{min-height:600px;padding:90px 18px 120px}.final-cta h2{font-size:48px}.final-cta .hero-actions{flex-direction:column}.site-footer{grid-template-columns:1fr;padding:45px 20px 100px}.site-footer small{grid-column:1}.contact-panel{width:calc(100vw - 36px);padding:48px 18px}.contact h2{font-size:40px}.contact-actions{flex-direction:column}.contact-actions .button{width:100%}.mobile-bar{display:block}.wechat-modal{padding:16px;align-items:end}.wechat-modal-panel{width:100%;padding:28px 18px 22px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}.language-menu-popover{filter:none;transform:none}.main-nav .language-menu-popover,.main-nav .language-menu.is-visible .language-menu-popover{transform:none}}@media(prefers-reduced-transparency:reduce){.language-menu-popover{background:#191a18;-webkit-backdrop-filter:none;backdrop-filter:none}}@media(prefers-contrast:more){.language-menu-popover{background:#000;border-color:#fff}.language-menu-popover a[aria-current=true]{outline:1px solid white}}.compatibility-table-panel{grid-column:1 / -1;width:100%;min-width:0;margin-top:34px;padding-top:36px;border-top:1px solid var(--ink)}.compatibility-table-head{display:grid;grid-template-columns:minmax(260px,.75fr) minmax(360px,1.25fr);gap:64px;align-items:end;margin-bottom:28px}.compatibility-table-head h3{margin:8px 0 0;font-family:var(--display);font-size:clamp(32px,4vw,52px);font-weight:400;letter-spacing:-.04em}.compatibility-table-head p{margin:0;color:#606058;font-size:12px;line-height:1.8}.compatibility-table-kicker{color:var(--accent);font-size:9px;font-weight:700;letter-spacing:.16em}.compatibility-table-scroll{overflow-x:auto;border-top:1px solid var(--line);border-bottom:1px solid var(--line);scrollbar-color:var(--accent) rgba(17,18,16,.08)}.compatibility-table-scroll::-webkit-scrollbar{height:5px}.compatibility-table-scroll::-webkit-scrollbar-track{background:#11121014}.compatibility-table-scroll::-webkit-scrollbar-thumb{background:var(--accent)}.compatibility-matrix{width:100%;min-width:760px;border-collapse:collapse;text-align:left}.compatibility-matrix th,.compatibility-matrix td{padding:18px 16px;border-bottom:1px solid var(--line)}.compatibility-matrix thead th{color:#6a6a61;font-size:9px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}.compatibility-matrix tbody tr:last-child th,.compatibility-matrix tbody tr:last-child td{border-bottom:0}.compatibility-matrix tbody tr{transition:background .2s ease}.compatibility-matrix tbody tr:hover{background:#ffffff47}.compatibility-matrix tbody th{font-size:14px;font-weight:700}.compatibility-matrix tbody td{color:#55564f;font-size:12px}.compatibility-port{color:var(--ink);font-weight:700;letter-spacing:.02em}.compatibility-status{display:inline-flex;align-items:center;gap:8px;color:var(--ink);font-weight:700}.compatibility-status:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px #ff6a1a24}.compatibility-status[data-status=可用]:before{background:#1fa66a;box-shadow:0 0 0 4px #1fa66a24}.compatibility-table-foot{display:flex;justify-content:space-between;gap:24px;margin-top:16px;color:#727269;font-size:10px;line-height:1.7}.compatibility-scroll-hint{display:none;color:var(--accent);font-weight:700}@media(max-width:680px){.compatibility-table-panel{margin-top:0;padding-top:28px}.compatibility-table-head{grid-template-columns:1fr;gap:18px}.compatibility-table-head h3{font-size:38px}.compatibility-table-head p{max-width:34em}.compatibility-matrix th,.compatibility-matrix td{padding:16px 13px}.compatibility-table-foot{display:block}.compatibility-scroll-hint{display:block;margin-bottom:10px}}.product-gallery{grid-column:1 / -1;min-width:0;margin-top:64px;padding-top:32px;border-top:1px solid var(--ink)}.product-gallery-head{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end;margin-bottom:28px}.product-gallery-head .kicker{margin-bottom:12px}.product-gallery-head h3{margin:0;font-family:var(--display);font-size:clamp(36px,4.5vw,60px);font-weight:400;letter-spacing:-.04em;line-height:1.1}.product-gallery-head>p{max-width:440px;margin:0 0 6px auto;color:var(--muted);font-size:13px;line-height:1.8}.product-gallery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;padding:1px;background:var(--line)}.product-shot{min-width:0;margin:0;background:var(--paper)}.product-shot-main{grid-column:1 / -1}.product-media{position:relative;aspect-ratio:4 / 3;overflow:hidden;display:grid;place-items:center;background:linear-gradient(135deg,transparent 49.8%,rgba(255,255,255,.06) 50%),linear-gradient(45deg,transparent 49.8%,rgba(255,255,255,.06) 50%),#1a1b18;background-size:28px 28px}.product-shot-main .product-media{aspect-ratio:8 / 5}.product-media:before{content:attr(data-product-slot);color:#ffffff57;font:600 10px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.1em}.product-media.is-empty:after{content:"图片待补";position:absolute;left:18px;bottom:16px;color:var(--accent);font-size:10px;font-weight:700;letter-spacing:.12em}.product-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s cubic-bezier(.22,1,.36,1)}.product-media.is-empty img{display:none}.product-shot:hover .product-media img{transform:scale(1.025)}.product-shot figcaption{display:grid;grid-template-columns:36px 1fr;gap:14px;min-height:96px;padding:18px 20px;border-top:1px solid var(--line)}.product-shot figcaption>span{color:var(--accent);font-size:9px;font-weight:700;letter-spacing:.12em}.product-shot figcaption strong{display:block;font-size:15px}.product-shot figcaption p{margin:7px 0 0;color:var(--muted);font-size:11px;line-height:1.7}@media(max-width:680px){.product-gallery{margin-top:58px;padding-top:28px}.product-gallery-head{grid-template-columns:1fr;gap:14px}.product-gallery-head h3{font-size:42px}.product-gallery-head>p{margin-left:0}.product-gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.product-shot-main{grid-column:1 / -1}.product-shot-main .product-media{aspect-ratio:4 / 3}.product-shot:last-child{grid-column:1 / -1}.product-shot:last-child .product-media{aspect-ratio:8 / 5}.product-shot figcaption{grid-template-columns:28px 1fr;gap:9px;padding:15px 12px}}@media(max-width:460px){.product-gallery-grid{grid-template-columns:1fr}.product-shot-main,.product-shot:last-child{grid-column:auto}.product-media,.product-shot-main .product-media{aspect-ratio:4 / 3}.product-shot:last-child .product-media{aspect-ratio:4 / 3}}:root{--ink: #1d1d1f;--ink-soft: #2d2d2f;--paper: #f5f5f7;--paper-dark: #e8e8ed;--muted: #6e6e73;--line: rgba(29, 29, 31, .12);--light-line: rgba(255, 255, 255, .2);--accent: #0071e3;--accent-deep: #0058b0;--display: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Noto Sans SC Variable", sans-serif;--sans: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Noto Sans SC Variable", sans-serif;--page: min(1200px, calc(100vw - 64px) )}html{background:var(--paper)}body{background:var(--paper);font-family:var(--sans);font-optical-sizing:auto}button,a{-webkit-tap-highlight-color:transparent}button:active,.button:active,.nav-cta:active,.text-link:active{transform:scale(.97);transition-duration:90ms}.site-header{height:56px;padding:0 max(24px,calc((100vw - 1200px)/2));background:#10101275;border-bottom-color:#ffffff14;-webkit-backdrop-filter:blur(22px) saturate(180%);backdrop-filter:blur(22px) saturate(180%);transition:background .3s ease,box-shadow .3s ease}.site-header.is-scrolled{height:56px;background:#141416c7;border-color:transparent;box-shadow:0 1px #ffffff14}.brand{gap:9px;font-size:16px;letter-spacing:-.025em}.brand-mark{width:23px;height:23px;opacity:.92}.brand-mark:before{width:29px}.brand-mark:after{height:29px}.brand-mark i{width:6px;height:6px;box-shadow:0 0 0 3px #0071e32e}.main-nav{gap:25px;font-size:12px;font-weight:550}.main-nav>a{color:#ffffffc2}.nav-cta{padding:8px 14px;border:0;border-radius:999px;background:var(--accent);font-size:12px;font-weight:650;transition:transform .12s ease,background .2s ease}.nav-cta:hover{background:#0077ed}.nav-cta span{display:none}.hero{min-height:max(780px,100svh)}.hero-image{background-position:58% center;animation:apple-hero-image 1.2s cubic-bezier(.22,1,.36,1) both}.hero-shade{background:linear-gradient(90deg,#050507eb,#050507b8,#0505071f 68%),linear-gradient(0deg,rgba(5,5,7,.58) 0%,transparent 42%)}.hero:after{opacity:.025}.hero-content{width:var(--page);padding-top:32px}.eyebrow,.kicker{margin-bottom:18px;font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:none}.hero h1{max-width:650px;margin-bottom:20px;font-size:clamp(72px,9vw,126px);line-height:.86;letter-spacing:-.075em;animation:apple-copy-in .7s .12s cubic-bezier(.22,1,.36,1) both}.hero-tagline{font-size:15px;font-weight:600;letter-spacing:0}.hero-lead{max-width:580px;margin:30px 0 34px;font-size:clamp(28px,3.2vw,46px);font-weight:650;line-height:1.2;letter-spacing:-.035em}.hero-note{margin-top:17px;font-size:11px;color:#ffffff73}.button{min-width:0;padding:12px 20px;justify-content:center;gap:12px;border-radius:999px;font-size:14px;font-weight:650;transition:transform .12s ease,background .2s ease,color .2s ease,border-color .2s ease}.button span{margin-left:0}.button-primary{background:var(--accent);border-color:var(--accent)}.button-primary:hover{background:#0077ed;border-color:#0077ed}.button-quiet{background:#ffffff14;border-color:#ffffff3d;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.button-quiet:hover{background:#fffffff0}.hero-status{right:max(32px,calc((100vw - 1200px)/2));bottom:34px;overflow:hidden;border:1px solid rgba(255,255,255,.14);border-radius:18px;background:#1414166b;-webkit-backdrop-filter:blur(20px) saturate(160%);backdrop-filter:blur(20px) saturate(160%)}.hero-status div{min-width:150px;padding:14px 17px;border-left-color:#ffffff1a}.hero-status div:first-child{border-left:0}.hero-status div:last-child{border-right:0}.hero-status small{font-size:9px;letter-spacing:.08em}.hero-status strong{font-size:10px;letter-spacing:.04em}.coordinate{opacity:.7}.scroll-cue{display:none}.section{padding:112px 0}.section-index{color:#86868b;font-size:10px;letter-spacing:.1em}.intro{grid-template-columns:1fr 1fr;gap:34px 72px}.intro>.section-index{grid-column:1 / -1}.intro h2,.capability-copy h2,.workflow h2,.compatibility h2,.faq h2,.contact h2,.final-cta h2,.geo-facts h2,.compare h2,.scenarios h2{font-family:var(--display);font-weight:720;letter-spacing:-.045em}.intro h2{font-size:clamp(48px,5vw,72px)}.intro-answer{padding-top:8px}.intro-answer>p:first-child{font-size:20px;line-height:1.65;letter-spacing:-.015em}.verification{margin-top:28px;padding:18px 20px;border:0;border-radius:16px;color:#515154;background:#fff;font-size:13px;line-height:1.7;box-shadow:0 1px #0000000a}.product-gallery{margin-top:84px;padding-top:0;border-top:0}.product-gallery-head{margin-bottom:32px}.product-gallery-head h3{font-family:var(--display);font-size:clamp(40px,4.5vw,58px);font-weight:720;letter-spacing:-.045em}.product-gallery-head>p{font-size:14px;line-height:1.7}.product-gallery-grid{gap:18px;padding:0;background:transparent}.product-shot{overflow:hidden;border-radius:26px;background:#fff;box-shadow:0 12px 36px #0000000e}.product-media{background-color:#171719}.product-shot figcaption{border-top-color:#1d1d1f14}.product-media img{transition:transform .5s cubic-bezier(.22,1,.36,1)}.geo-facts{padding-top:96px}.geo-facts-head{max-width:760px;margin-bottom:46px}.geo-facts-head h2,.compare-head h2,.scenarios-head h2{font-size:clamp(46px,5vw,68px)}.fact-grid{grid-template-columns:repeat(4,1fr);gap:14px;padding:0;border:0;background:transparent}.fact-card{min-height:146px;padding:26px 24px;border-radius:22px;background:#fff;box-shadow:0 1px #00000008}.fact-card dt{margin-bottom:18px;font-size:10px;letter-spacing:.06em;text-transform:none}.fact-card dd{font-size:15px;line-height:1.5}.capabilities{width:var(--page);margin:0 auto;overflow:hidden;grid-template-columns:1fr 1fr;border-radius:34px;background:#0d0d0f;box-shadow:0 30px 70px #00000024}.capability-visual{min-height:690px;background:radial-gradient(circle at 60% 38%,#28282b,#111113 62%)}.map-grid{width:min(76%,520px);border-radius:26px;border-color:#ffffff1f;overflow:hidden}.capability-copy{padding:88px clamp(42px,6vw,84px)}.capability-copy h2{margin:48px 0 58px;font-size:clamp(46px,5vw,68px)}.feature-list li{padding:22px 0;border-top-color:#ffffff1f}.feature-list li:last-child{border-bottom-color:#ffffff1f}.feature-list strong{font-size:17px}.feature-list p{color:#ffffff8f}.compare{margin-top:112px;margin-bottom:112px;padding:72px;border-radius:32px;background:#fff;box-shadow:0 10px 40px #0000000a}.compare-head{margin-bottom:38px}.compare-table-wrap{border:0;border-radius:18px;background:#f5f5f7}.compare-table th,.compare-table td{padding:17px 19px;border-bottom-color:#1d1d1f1a}.compare-table thead th{background:#e8e8ed}.compare-table tbody th{background:#ffffff73}.compare-table .highlight{background:#0071e314}.text-link{min-width:0;margin-top:28px;padding:10px 0;border-bottom:0;color:#06c;font-size:14px;transition:transform .12s ease,opacity .2s ease}.text-link:hover{opacity:.72}.scenarios{padding:112px max(32px,calc((100vw - 1200px)/2));background:#fff}.scenarios-head{margin-bottom:46px}.scenario-grid{gap:18px;padding:0;border:0;background:transparent}.scenario-card{min-height:230px;padding:34px;border-radius:26px;background:#f5f5f7}.scenario-card h3{margin-top:52px;font-size:23px;letter-spacing:-.025em}.scenario-card p{color:#6e6e73;font-size:14px;line-height:1.7}.workflow{padding-top:126px;padding-bottom:126px}.workflow-heading{max-width:780px;margin:32px auto 60px;text-align:center}.workflow-heading .kicker{justify-content:center}.workflow h2{font-size:clamp(50px,7vw,82px)}.steps{gap:18px;border:0}.step,.step:first-child{min-height:360px;padding:28px 30px;border:0;border-radius:26px;background:#fff}.step h3{margin-top:28px;font-family:var(--display);font-size:27px;font-weight:700}.step p{color:#6e6e73;font-size:14px;line-height:1.7}.workflow-caveat{margin-top:26px;font-size:12px}.compatibility{width:var(--page);margin:0 auto 112px;padding:76px;gap:72px;border-radius:34px;background:linear-gradient(145deg,#e9e9ee,#f7f7f9)}.compat-copy h2{margin:26px 0 28px;font-size:clamp(48px,5.5vw,72px)}.connector-spec{display:grid;gap:14px}.connector-row{padding:28px;border:0;border-radius:22px;background:#ffffffb8;box-shadow:inset 0 1px #fffc}.tested-stamp{opacity:.52}.compatibility-table-panel{margin-top:56px;padding-top:54px;border-top-color:#1d1d1f1a}.compatibility-table-head h3{font-family:var(--display);font-weight:720}.compatibility-table-scroll{overflow:hidden auto;border:0;border-radius:18px;background:#ffffffbd}.compatibility-matrix th,.compatibility-matrix td{border-bottom-color:#1d1d1f14}.compatibility-matrix tbody tr:hover{background:#ffffff94}.faq{gap:70px;padding:112px 72px;margin-bottom:112px;border-radius:34px;background:#fff}.faq h2{margin-top:32px;font-size:clamp(48px,5.5vw,72px)}.faq-list{border-top-color:#1d1d1f1a}details{border-bottom-color:#1d1d1f1a}summary{padding:24px 0;font-size:16px}details>p{color:#6e6e73;font-size:14px;line-height:1.75}.contact-panel{width:var(--page);padding:76px;border:0;border-radius:34px;background:linear-gradient(145deg,#18181a,#070709);box-shadow:0 30px 70px #00000024}.contact h2{margin:24px 0 20px;font-size:clamp(44px,5vw,68px)}.contact-lead{color:#fff9}.contact-points li{border:0;border-radius:999px;background:#ffffff1a}.contact-qr-card{padding:24px;border:0;border-radius:26px;background:#fff;box-shadow:0 20px 50px #00000038}.qr-frame img{border-radius:12px}.final-cta{width:var(--page);max-width:1200px;min-height:590px;margin:112px auto;border-radius:40px;background:radial-gradient(circle at 50% 30%,#2b2b2f,#0d0d0f 68%)}.final-cta h2{font-size:clamp(50px,7vw,86px)}.cta-map{opacity:.08}.site-footer{grid-template-columns:1fr auto;padding:42px max(32px,calc((100vw - 1200px)/2));background:#f5f5f7;color:#6e6e73;border:0}.footer-brand{color:var(--ink)}.site-footer>p{display:none}.footer-links{justify-content:flex-end;gap:20px}.footer-links button:hover,.footer-links a:hover{color:var(--ink)}.site-footer small{padding-top:22px;border-top-color:#1d1d1f1a}.mobile-bar{background:linear-gradient(180deg,transparent,rgba(245,245,247,.95) 34%)}.mobile-bar-btn{border-radius:16px;background:var(--accent);box-shadow:0 12px 32px #0000002e}.wechat-modal-backdrop{background:#0000007a;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);animation:apple-fade-in .25s ease both}.wechat-modal-panel{border:1px solid rgba(255,255,255,.72);border-radius:28px;background:#f5f5f7eb;-webkit-backdrop-filter:blur(28px) saturate(180%);backdrop-filter:blur(28px) saturate(180%);box-shadow:0 30px 90px #0000004d;animation:apple-materialize .35s cubic-bezier(.22,1,.36,1) both}.wechat-modal-panel h2{font-family:var(--display);font-weight:720}.wechat-modal-qr{overflow:hidden;border-radius:18px}.wechat-modal-actions .button{border-radius:999px}.reveal,.reveal.is-visible{opacity:1;transform:none;transition:none}@keyframes apple-hero-image{0%{opacity:.6;transform:scale(1.035)}to{opacity:1;transform:scale(1)}}@keyframes apple-copy-in{0%{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}@keyframes apple-fade-in{0%{opacity:0}to{opacity:1}}@keyframes apple-materialize{0%{opacity:0;transform:translateY(18px) scale(.96);filter:blur(8px)}to{opacity:1;transform:none;filter:blur(0)}}@media(max-width:980px){:root{--page: calc(100vw - 40px) }.site-header{padding:0 22px}.main-nav{background:#0f0f11e0;-webkit-backdrop-filter:blur(28px) saturate(180%);backdrop-filter:blur(28px) saturate(180%)}.intro{gap:32px}.capabilities{grid-template-columns:1fr}.capability-visual{min-height:560px}.compare{padding:54px 42px}.compatibility{padding:58px 42px}.faq{padding:72px 48px}.contact-panel{padding:58px 42px}}@media(max-width:680px){:root{--page: calc(100vw - 28px) }.site-header{height:52px;padding:0 16px}.site-header.is-scrolled{height:52px}.menu-button span{width:22px}.hero{min-height:720px}.hero-image{background-position:61% center}.hero-shade{background:linear-gradient(180deg,#050507e6,#0505075c 50%,#050507f0 86%)}.hero-content{padding-top:118px}.hero h1{max-width:100%;font-size:clamp(64px,21vw,92px)}.hero-tagline{font-size:13px}.hero-lead{max-width:350px;font-size:28px;line-height:1.22}.hero-actions{flex-direction:row;align-items:center}.hero .button{width:auto}.hero-status{left:14px;right:14px;bottom:18px;display:grid;grid-template-columns:1fr 1fr;border-radius:16px}.hero-status div{padding:12px 14px}.hero-status div:last-child{grid-column:1 / -1}.section{padding:82px 0}.intro{display:block}.intro h2{margin-top:24px;font-size:46px}.intro-answer{padding-top:28px}.intro-answer>p:first-child{font-size:18px}.product-gallery{margin-top:64px}.product-gallery-grid{gap:12px}.product-shot{border-radius:20px}.fact-grid{grid-template-columns:1fr 1fr;gap:10px}.fact-card{min-height:132px;padding:20px 18px;border-radius:18px}.fact-card dd{font-size:14px}.capabilities{border-radius:26px}.capability-visual{min-height:410px}.capability-copy{padding:58px 24px 68px}.capability-copy h2{margin:38px 0 42px;font-size:44px}.compare{width:var(--page);margin:82px auto;padding:42px 20px;border-radius:26px}.scenarios{padding:82px 14px}.scenario-grid{gap:12px}.scenario-card{padding:26px 22px;border-radius:20px}.workflow-heading{margin-bottom:42px}.steps{gap:12px}.step,.step:first-child{min-height:0;padding:26px 22px 32px;border-radius:20px}.step-icon{margin-top:16px}.compatibility{width:var(--page);margin-bottom:82px;padding:46px 20px;gap:46px;border-radius:26px}.connector-row{padding:22px 16px;border-radius:18px}.compatibility-table-scroll{border-radius:14px}.faq{width:var(--page);padding:54px 20px;margin-bottom:82px;border-radius:26px}.contact-panel{width:var(--page);padding:46px 20px;border-radius:26px}.contact-qr-card{border-radius:22px}.final-cta{width:var(--page);min-height:540px;margin:82px auto;padding:72px 22px 96px;border-radius:30px}.site-footer{padding:34px 20px 100px}.footer-links{justify-content:flex-start}.wechat-modal-panel{border-radius:26px 26px 16px 16px}}@media(prefers-reduced-motion:reduce){.hero-image,.hero h1,.wechat-modal-backdrop,.wechat-modal-panel{animation:none!important}.reveal{opacity:1;transform:none}}@media(prefers-reduced-transparency:reduce){.site-header,.site-header.is-scrolled,.main-nav,.hero-status,.wechat-modal-panel{background:#161618;-webkit-backdrop-filter:none;backdrop-filter:none}.wechat-modal-panel{background:#f5f5f7;color:#1d1d1f}}@media(prefers-contrast:more){.site-header,.site-header.is-scrolled{background:#000;border-bottom:1px solid #fff}.button,.nav-cta,.fact-card,.step,.scenario-card{border:1px solid currentColor}}