:root{--paper:#f8f8f2;--white:#fffef9;--ink:#222b28;--muted:#66726b;--jade:#285c47;--leaf:#dfe9da;--line:#dce2d7;--gold:#a68752;--radius:22px;--max:1280px;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit}img{display:block;max-width:100%;height:auto}button,a,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--gold);outline-offset:5px}[hidden]{display:none!important}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.3;letter-spacing:-.035em;font-weight:600}h2{font-size:clamp(28px,3vw,42px)}h3{font-size:22px}p{color:var(--muted)}.wrap{width:min(var(--max),calc(100% - 96px));margin-inline:auto}.eyebrow{font-size:11px;letter-spacing:.22em;font-weight:600;color:var(--jade);text-transform:uppercase;display:flex;align-items:center;gap:12px;margin-bottom:22px}.eyebrow:before{content:"";width:26px;height:1px;background:currentColor}.section{padding-block:90px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:32px;margin-bottom:36px}.section-head h2{margin:0}.section-head p{max-width:390px;margin:0;font-size:14px}.text-link{color:var(--jade);display:inline-flex;gap:18px;align-items:center;font-size:14px;font-weight:600}.text-link:after{content:"↗";font-size:20px}.text-link:hover{color:var(--gold)}.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:14px 25px;border-radius:7px;background:var(--jade);color:white;font-size:14px;border:1px solid var(--jade);transition:background .2s,transform .2s}.button:after{content:"↗"}.button:hover{background:#1b4132;transform:translateY(-2px)}.button.secondary{background:transparent;color:var(--ink);border-color:#cdd6c8}.actions{display:flex;flex-wrap:wrap;gap:13px}.bamboo-header{height:88px;position:sticky;top:0;z-index:30;transition:box-shadow .2s}.pandah-govcn-head{background:rgba(248,248,242,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(220,226,215,.6)}.bamboo-header.scrolled{box-shadow:0 8px 24px #243b2910}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}.brand img{width:40px;height:40px}.brand strong{font-size:22px;letter-spacing:-.04em}.brand small{display:block;font-size:9px;letter-spacing:.24em;line-height:1.4;color:var(--muted)}.desktop-nav{display:flex;align-items:center;gap:25px;font-size:12px}.desktop-nav a{padding:8px 0;white-space:nowrap}.desktop-nav a:hover,.desktop-nav a[aria-current=page]{color:var(--jade)}.header-cta{background:var(--ink);color:white;padding:10px 15px;border-radius:6px;font-size:12px;white-space:nowrap}.menu-toggle{display:none;border:1px solid var(--line);background:transparent;border-radius:6px;width:44px;height:44px;font-size:22px}.menu-backdrop{position:fixed;inset:0;background:#17241d66;z-index:39;border:0}.mobile-menu{position:fixed;right:0;top:0;width:min(360px,90vw);height:100dvh;background:var(--paper);padding:30px;z-index:40;box-shadow:-20px 0 60px #0002;overflow:auto}.mobile-menu nav{display:grid;gap:0;margin-top:35px}.mobile-menu nav a{padding:15px 0;border-bottom:1px solid var(--line)}.menu-close{float:right;border:0;background:none;font-size:28px;width:44px;height:44px}.menu-open{overflow:hidden}.skip-link{position:fixed;top:10px;left:10px;z-index:99;padding:8px 18px;background:var(--white);transform:translateY(-150%)}.skip-link:focus{transform:none}
.panda-hero{padding:58px 0 0}.pandah-govcn-hero7{background:radial-gradient(ellipse at 75% 35%,#e4ecdd 0,transparent 60%)}.hero-grid{display:grid;grid-template-columns:1fr 1.12fr;gap:55px;align-items:center}.hero-copy{padding:10px 0 28px}.hero-copy h1{font-size:clamp(36px,3.85vw,55px);letter-spacing:-.06em;margin-bottom:22px}.hero-copy h1 span{display:block;font-size:.83em;font-weight:450;letter-spacing:-.045em;margin-top:7px}.hero-subtitle{font-size:clamp(23px,2.5vw,34px);line-height:1.5;color:var(--ink);margin-bottom:20px;font-weight:400}.hero-intro{font-size:14px;max-width:420px;margin-bottom:29px}.hero-note{display:flex;gap:24px;margin-top:30px;font-size:11px;color:var(--muted)}.hero-note span:before{content:"✓";margin-right:7px;color:var(--jade)}.hero-visual{position:relative;min-width:0}.hero-visual>img{width:100%;aspect-ratio:1.05;object-fit:cover;border-radius:100px 12px 12px 12px}.image-tag{position:absolute;left:20px;bottom:20px;background:rgba(255,254,249,.92);border:1px solid #fff9;backdrop-filter:blur(15px);padding:16px 20px;border-radius:12px;display:flex;align-items:center;gap:16px;font-size:12px}.image-tag img{width:29px;height:29px}.image-tag strong{display:block;font-size:14px}.image-tag small{color:var(--muted)}.hero-caption{font-size:10px;letter-spacing:.13em;text-align:right;margin-top:9px;color:var(--muted)}.platform-strip{display:flex;align-items:center;gap:35px;padding:27px 0;margin-top:40px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}.platform-strip>span{font-size:10px;letter-spacing:.17em;margin-right:auto}.platform-strip a:hover{color:var(--jade)}.overview{display:grid;grid-template-columns:1fr 1.2fr;gap:100px;align-items:start}.overview h2{max-width:370px}.overview-copy p{font-size:16px}.mini-facts{display:flex;gap:40px;padding-top:20px;border-top:1px solid var(--line)}.mini-facts strong{font-size:23px;font-weight:500;display:block;color:var(--ink)}.mini-facts span{font-size:12px;color:var(--muted)}.pandah-govcn-device{display:grid;grid-template-columns:1.5fr 1fr 1fr;grid-template-rows:240px 205px;gap:18px}.device-card{background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative;overflow:hidden;transition:transform .25s}.device-card:hover{transform:translateY(-4px)}.device-card h3{margin:10px 0}.device-card p{font-size:12px;max-width:270px}.device-card .arrow{position:absolute;right:25px;top:24px;font-size:22px}.device-symbol{font-size:24px;color:var(--jade)}.device-large{grid-row:span 2;padding:32px}.device-large img{position:absolute;bottom:0;left:0;width:100%;height:235px;object-fit:cover}.device-tall{grid-row:span 2;background:#e4ecdf}.device-tall img{width:100%;height:275px;object-fit:cover;border-radius:14px;margin-top:25px}.device-dark{background:var(--ink);color:white}.device-dark p,.device-dark .device-symbol{color:#c5d6ca}.scenes-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:65px;align-items:center}.scenes-layout figure{margin:0}.scenes-layout img{border-radius:12px;width:100%;aspect-ratio:1.4;object-fit:cover}.scenes-layout figcaption{font-size:11px;color:var(--muted);padding-top:12px}.scene-list{list-style:none;padding:0;margin:28px 0 0}.scene-list li{padding:18px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:45px 1fr;gap:14px}.scene-list b{font-weight:500;font-size:15px}.scene-list p{font-size:12px;margin:5px 0 0}.scene-list span{font-size:12px;color:var(--gold)}.pandah-govcn-jade{background:#e9efdf}.knowledge-layout{display:grid;grid-template-columns:1fr 1.5fr;gap:80px}.terms{display:grid;grid-template-columns:1fr 1fr;gap:28px 40px}.terms h3{font-size:17px;margin-bottom:9px}.terms p{font-size:13px;margin:0}.terms .term-wide{grid-column:span 2;border-top:1px solid #cfdac8;padding-top:22px}.pandah-govcn-flow{display:grid;grid-template-columns:1fr 1.1fr;gap:100px}.path{list-style:none;padding:0;margin:0;border-left:1px solid #b7c8b8}.path li{position:relative;padding:0 0 27px 36px}.path li:before{content:"";position:absolute;left:-6px;top:7px;width:11px;height:11px;border-radius:50%;background:var(--jade);border:3px solid var(--paper)}.path b{font-size:11px;letter-spacing:.1em;color:var(--gold);margin-right:16px}.path h3{font-size:18px;margin-bottom:8px}.path p{font-size:13px;margin:0}.split-devices{display:grid;grid-template-columns:1fr 1fr;gap:25px}.split-panel{border-radius:var(--radius);overflow:hidden;background:var(--white);border:1px solid var(--line)}.split-panel img{width:100%;height:260px;object-fit:cover}.split-panel>div{padding:30px}.split-panel p{font-size:14px}.split-panel h3{font-size:27px}.check-panel{background:var(--ink);border-radius:var(--radius);padding:46px;display:grid;grid-template-columns:1fr 1.1fr;gap:70px;color:var(--white)}.check-panel p{color:#b6c7bb;font-size:14px}.check-panel .eyebrow,.check-panel .text-link{color:#d4e6b8}.check-panel h2{font-size:35px}.check-list{display:grid;grid-template-columns:1fr 1fr;gap:8px 28px;list-style:none;margin:0;padding:0}.check-list li{border-bottom:1px solid #ffffff24;padding:14px 0;font-size:14px;display:flex;gap:12px}.check-list li:before{content:"↗";color:#a7c29b}.gallery{display:grid;grid-template-columns:1.35fr 1fr;gap:25px}.gallery figure{margin:0}.gallery figure:first-child{grid-row:span 2}.gallery img{width:100%;height:210px;object-fit:cover;border-radius:12px}.gallery figure:first-child img{height:477px}.gallery figcaption{margin-top:10px;font-size:13px}.gallery figcaption span{color:var(--muted);display:block;font-size:11px}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 40px}.pandah-govcn-guide6{padding:27px 0;border-top:1px solid var(--line);display:flex;gap:18px;align-items:start}.guide-card .guide-number{font-size:12px;color:var(--gold);min-width:20px}.guide-card h3{font-size:18px;margin-bottom:9px}.guide-card p{font-size:12px;margin:0}.guide-card:hover h3{color:var(--jade)}.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:100px}.pandah-govcn-faq{border-top:1px solid var(--line)}.faq-list details{border-bottom:1px solid var(--line)}.faq-list summary{list-style:none;cursor:pointer;padding:21px 32px 21px 0;font-size:15px;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";position:absolute;right:0;font-size:23px;top:14px;color:var(--jade)}.faq-list details[open] summary:after{content:"−"}.faq-list details p{font-size:14px;margin-bottom:23px;padding-right:20px}.closing-strip{padding:35px 0;background:#dde8d6}.closing-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}.closing-inner h2{font-size:25px;margin:0}.closing-inner p{font-size:13px;margin:7px 0 0}
footer{background:#f0f2e9;padding:60px 0 25px;border-top:1px solid var(--line)}.pandah-govcn-footer{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:45px}.footer-brand p{font-size:12px;max-width:280px;margin-top:18px}.footer-column h3{font-size:13px;letter-spacing:.02em;margin-bottom:18px}.footer-column a{display:block;font-size:12px;color:var(--muted);margin:9px 0}.footer-column a:hover{color:var(--jade)}.friend-links{margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}.friend-links h3{font-size:12px}.friend-links>div{display:flex;flex-wrap:wrap;gap:10px 24px;font-size:11px;color:var(--muted)}.legal{margin-top:30px;padding-top:23px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;font-size:10px;color:var(--muted)}.registrations{display:flex;gap:22px;flex-wrap:wrap}.legal p{margin:0}.breadcrumb{display:flex;gap:10px;flex-wrap:wrap;font-size:11px;color:var(--muted);padding-top:28px;margin-bottom:28px}.breadcrumb a:hover{color:var(--jade)}.article-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:55px;align-items:center;padding-bottom:55px}.article-hero h1{font-size:clamp(30px,3.4vw,47px);margin-bottom:22px}.article-hero p{font-size:15px}.article-hero>img{width:100%;height:310px;object-fit:cover;border-radius:50px 10px 10px 10px}.article-meta{font-size:11px;color:var(--muted);display:flex;gap:18px;margin-top:25px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:85px;padding:55px 0 75px;border-top:1px solid var(--line);align-items:start}.article-body{max-width:820px;min-width:0}.article-body h2{font-size:27px;margin-top:43px;margin-bottom:18px}.article-body section:first-child h2{margin-top:0}.article-body h3{font-size:18px;margin-top:25px}.article-body p,.article-body li{font-size:15px;color:#536259;line-height:2.05}.article-body ul,.article-body ol{padding-left:24px}.article-body li{margin-bottom:8px}.article-body a{color:var(--jade);text-decoration:underline;text-underline-offset:4px}.article-aside{position:sticky;top:115px;background:#edf1e6;padding:25px;border-radius:12px}.article-aside h2{font-size:14px;letter-spacing:.05em;margin:0 0 14px}.article-aside a{display:block;font-size:12px;padding:10px 0;border-bottom:1px solid var(--line)}.article-aside .aside-help{margin-top:24px;font-size:12px}.tip{border-left:3px solid var(--jade);background:#edf2e6;padding:23px 26px;margin:28px 0;border-radius:0 10px 10px 0}.tip p{margin:7px 0 0;font-size:14px}.tip strong{font-size:14px}.article-related{padding:35px 0 65px;border-top:1px solid var(--line)}.article-related h2{font-size:25px}.article-related .guide-grid{grid-template-columns:repeat(3,1fr)}.article-figure{margin:35px 0}.article-figure img{width:100%;border-radius:12px}.article-figure figcaption{font-size:11px;color:var(--muted);margin-top:10px}.platform-options{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:25px 0}.platform-option{display:block;background:var(--white);border:1px solid var(--line);padding:22px;border-radius:12px;text-decoration:none!important}.platform-option b{display:block;font-size:20px}.platform-option span{font-size:12px;color:var(--muted)}.news-entries{display:grid;gap:24px;margin-top:28px}.news-entry{padding:24px;border:1px solid var(--line);border-radius:12px;background:var(--white)}.news-entry h3{margin-top:0}.news-entry time{font-size:11px;color:var(--gold)}.news-entry p{margin-bottom:10px}.pandah-govcn-panel{background:#eef2e8}.pandah-govcn-bamboo{border-top:1px solid var(--line)}.pandah-govcn-card7{border-left:3px solid #a6bea0}.pandah-govcn-a8 .eyebrow{color:var(--gold)}
@media(min-width:1500px){.hero-copy h1{font-size:58px}.hero-grid{gap:75px}}
@media(max-width:1179px){.desktop-nav,.header-cta{display:none}.menu-toggle{display:block}.wrap{width:calc(100% - 64px)}.hero-grid{gap:30px}.hero-copy h1{font-size:40px}.hero-note{gap:12px}.overview,.knowledge-layout,.pandah-govcn-flow,.faq-layout{gap:45px}.pandah-govcn-device{grid-template-columns:1.2fr 1fr 1fr}.scenes-layout{gap:35px}.article-layout{gap:40px;grid-template-columns:minmax(0,1fr) 225px}.check-panel{gap:35px}.guide-grid{gap:0 25px}}
@media(max-width:800px){.wrap{width:calc(100% - 40px)}.bamboo-header{height:74px}.section{padding-block:60px}.panda-hero{padding-top:35px}.hero-grid{grid-template-columns:1fr 1fr;gap:22px}.hero-copy h1{font-size:30px}.hero-subtitle{font-size:23px}.hero-intro{font-size:13px}.hero-note{flex-wrap:wrap;margin-top:20px}.hero-visual>img{aspect-ratio:.72;border-top-left-radius:65px}.image-tag{left:10px;bottom:12px;padding:12px;gap:10px}.image-tag strong{font-size:12px}.image-tag small{font-size:10px}.platform-strip{gap:18px;flex-wrap:wrap}.platform-strip>span{width:100%}.overview{gap:35px}.overview-copy p{font-size:14px}.mini-facts{gap:20px}.pandah-govcn-device{grid-template-columns:1fr 1fr;grid-template-rows:260px 200px 180px}.device-large{grid-row:span 2}.device-tall{grid-row:span 2}.device-tall img{height:270px}.scenes-layout{grid-template-columns:1fr;gap:30px}.scenes-layout img{aspect-ratio:1.7}.knowledge-layout{grid-template-columns:1fr;gap:20px}.pandah-govcn-flow{gap:35px}.split-panel img{height:190px}.split-panel>div{padding:22px}.check-panel{grid-template-columns:1fr;padding:30px;gap:20px}.gallery figure:first-child img{height:417px}.gallery img{height:180px}.guide-grid{grid-template-columns:1fr 1fr}.faq-layout{grid-template-columns:1fr;gap:15px}.pandah-govcn-footer{grid-template-columns:1.5fr 1fr 1fr;gap:30px}.footer-brand{grid-column:span 3}.footer-brand p{max-width:450px}.article-hero{gap:30px}.article-hero>img{height:260px}.article-hero h1{font-size:30px}.article-layout{grid-template-columns:1fr;gap:30px}.article-aside{position:static;grid-row:1}.article-aside nav{display:flex;flex-wrap:wrap;gap:0 20px}.article-aside .aside-help{display:none}.article-related .guide-grid{grid-template-columns:1fr 1fr 1fr}.closing-inner h2{font-size:21px}}
@media(max-width:560px){.wrap{width:calc(100% - 36px)}.brand strong{font-size:20px}.brand img{width:36px;height:36px}.hero-grid{grid-template-columns:1fr;gap:25px}.hero-copy{padding-bottom:0}.hero-copy h1{font-size:38px}.hero-copy h1 span{display:inline;font-size:.67em;margin-left:4px;white-space:nowrap}.hero-subtitle{font-size:25px;max-width:300px}.hero-intro{max-width:100%}.hero-visual>img{aspect-ratio:1.4;border-top-left-radius:65px}.hero-note{margin-top:23px}.platform-strip{margin-top:24px;gap:11px 21px;font-size:12px;padding:22px 0}.platform-strip>span{font-size:9px}.section-head{display:block;margin-bottom:25px}.section-head p{margin-top:15px}.section-head>.text-link{margin-top:15px}.overview{grid-template-columns:1fr;gap:15px}.overview h2{max-width:100%}.mini-facts{justify-content:space-between;gap:15px}.mini-facts strong{font-size:20px}.mini-facts span{font-size:11px}.pandah-govcn-device{gap:12px;grid-template-columns:1fr 1fr;grid-template-rows:340px 185px 180px}.device-large{grid-row:1;grid-column:span 2;padding:24px}.device-large img{height:185px}.device-tall{grid-row:2 / 4;grid-column:2;padding:20px}.device-tall img{height:205px;margin-top:25px}.device-card{padding:20px}.device-card h3{font-size:20px}.device-card p{font-size:11px}.device-card .arrow{right:17px;top:17px}.device-symbol{font-size:20px}.terms{gap:25px 20px}.terms p{font-size:12px}.pandah-govcn-flow{grid-template-columns:1fr;gap:25px}.path{margin-left:6px}.split-devices{grid-template-columns:1fr;gap:18px}.split-panel img{height:215px}.split-panel h3{font-size:25px}.check-panel{padding:26px 23px;border-radius:14px}.check-panel h2{font-size:28px}.check-list{gap:0 16px}.check-list li{font-size:12px}.gallery{grid-template-columns:1fr;gap:28px}.gallery figure:first-child{grid-row:auto}.gallery img,.gallery figure:first-child img{height:auto;aspect-ratio:1.5}.guide-grid{grid-template-columns:1fr;gap:0}.guide-card h3{font-size:17px}.faq-list summary{font-size:14px}.closing-inner{display:block}.closing-inner .button{margin-top:22px}.pandah-govcn-footer{grid-template-columns:1fr 1fr;gap:25px}.footer-brand{grid-column:span 2}.footer-column:last-child{grid-column:span 2}.footer-column:last-child a{display:inline-block;margin-right:20px}.legal{font-size:10px;gap:14px}.registrations{gap:7px 20px}.article-hero{grid-template-columns:1fr;gap:25px;padding-bottom:35px}.article-hero h1{font-size:32px}.article-hero>img{height:auto;aspect-ratio:1.5}.article-hero p{font-size:14px}.breadcrumb{font-size:10px;gap:8px}.article-layout{padding-top:30px}.article-body h2{font-size:23px}.article-body p,.article-body li{font-size:14px}.article-aside{padding:20px}.article-related .guide-grid{grid-template-columns:1fr}.platform-options{gap:12px}.platform-option{padding:17px}.platform-option b{font-size:18px}.tip{padding:20px}.news-entry{padding:20px}}
.device-gallery{min-width:0}.device-browser{grid-column:1 / -1;display:flex;align-items:center;gap:25px;padding:20px 26px}.device-browser h3{margin:0;font-size:18px;white-space:nowrap}.device-browser p{margin:0;max-width:none;font-size:12px}.device-browser .arrow{position:static;margin-left:auto}.browser-note{font-size:12px;margin:20px 0 0}.pandah-govcn-device{grid-template-rows:240px 205px auto}
@media(max-width:800px){.pandah-govcn-device{grid-template-rows:260px 200px 180px auto}.device-browser{gap:15px}.device-browser p{max-width:400px}}
@media(max-width:560px){.pandah-govcn-device{grid-template-rows:340px 185px 180px auto}.device-browser{flex-wrap:wrap;padding:20px}.device-browser p{order:3;width:100%}.device-browser .arrow{position:absolute;top:17px;right:17px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}