:root{--o:#c94f2f;--ink:#1f2422;--warm:#f7f6f2;--muted:#62706a;--line:#e3ddd4;--dark:#20302a;--paper:#fff;--orange-light:#f5e7df}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--warm);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,'Noto Sans SC','Noto Sans CJK SC','Microsoft YaHei',sans-serif;line-height:1.65}a{color:inherit}button{font:inherit;cursor:pointer}a:focus-visible,button:focus-visible{outline:3px solid var(--o);outline-offset:4px}header{height:74px;background:#152722;color:white;display:flex;align-items:center;justify-content:space-between;padding:0 max(25px,calc((100vw - 1180px)/2));gap:25px}.mark{width:96px;height:auto;display:block}.nav{display:flex;align-items:center;gap:28px}.nav a{font-size:13px;text-decoration:none;white-space:nowrap}.status{border:1px solid #ffffff62;color:#e9e4de;border-radius:40px;padding:8px 14px;font-size:12px;white-space:nowrap}.hero{position:relative;height:480px;background:linear-gradient(130deg,#293d3b,#647a78);overflow:hidden;color:white}.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 47%;filter:saturate(.96) contrast(1.04)}.shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,28,26,.92),rgba(10,28,26,.66) 43%,rgba(10,28,26,.13))}.hero-inner{position:relative;z-index:2;max-width:1180px;height:100%;margin:auto;padding:43px 0 24px;display:flex;flex-direction:column;align-items:flex-start;justify-content:flex-start}.eyebrow{font-size:12px;letter-spacing:.16em;color:#f7c1a8;font-weight:750}.hero h1{font-size:64px;line-height:1.1;letter-spacing:-.065em;margin:29px 0 12px}.short-rule{background:var(--o);height:5px;width:103px;border-radius:5px}.hero-lead{font-size:22px;font-weight:700;margin:16px 0 5px}.hero-copy{font-size:15px;line-height:1.65;margin:0;color:#f2eeeb;max-width:500px}.btn{border:0;border-radius:7px;background:var(--o);color:white;display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 24px;font-size:14px;font-weight:700;text-decoration:none;line-height:1.2}.hero .btn{margin-top:24px}.hero-notice{margin:12px 0 0;font-size:11px;color:#ebe5df}.photo-legend{position:absolute;bottom:21px;right:30px;z-index:2;color:#fff;font-size:11px;background:#1625209c;border-radius:4px;padding:6px 10px}.page{max-width:1180px;margin:0 auto}.section{padding:78px 0}.section.white{background:white}.section.warm{background:var(--warm)}.section.soft{background:var(--orange-light)}.section.dark{background:var(--dark);color:#fff}.section.dark .desc{color:#d4d8d2}.kicker{font-size:12px;color:var(--o);font-weight:800;letter-spacing:.12em}.section.dark .kicker{color:#f1ae91}h2{font-size:clamp(30px,3.5vw,45px);letter-spacing:-.04em;line-height:1.28;margin:15px 0 18px}p.desc{font-size:16px;line-height:1.85;max-width:900px;margin:0;color:var(--muted)}.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:27px}.item{border:1px solid var(--line);border-radius:10px;padding:25px 23px;background:#fff;min-height:190px}.item h3{font-size:23px;margin:10px 0 8px}.item p{font-size:14px;color:var(--muted);line-height:1.72;margin:0}.mini{font-size:12px;color:var(--o);font-weight:700}.editorial{display:grid;grid-template-columns:1.06fr .94fr;gap:25px;margin-top:28px;align-items:stretch}.editorial-info{background:white;border:1px solid var(--line);padding:30px;display:flex;flex-direction:column;justify-content:space-between;border-radius:12px}.editorial-info h3{font-size:31px;line-height:1.35;letter-spacing:-.03em;margin:12px 0}.editorial-info p{color:var(--muted);font-size:15px}.journal{display:grid;gap:10px;margin-top:30px}.journal article{border-bottom:1px solid var(--line);padding:8px 0 18px;display:grid;grid-template-columns:160px 1fr;gap:16px}.journal article b{font-size:16px}.journal article span{color:var(--muted);font-size:13px}.photo{margin:0;position:relative;background:#e9e7e1;min-height:340px;overflow:hidden;border-radius:12px}.photo img{position:absolute;width:100%;height:100%;object-fit:cover;inset:0;transition:transform .5s ease}.photo:hover img{transform:scale(1.025)}.photo figcaption{position:absolute;bottom:0;left:0;right:0;padding:30px 20px 15px;color:white;background:linear-gradient(transparent,#15231fe6);font-size:12px}.photo-state{display:none;position:absolute;inset:0;background:#dce0dd;color:var(--ink);align-items:center;justify-content:center;text-align:center;padding:22px;font-size:15px}.photo-state.show{display:flex}.dark-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:27px;margin-top:37px}.dark-steps h3{font-size:25px;margin:13px 0}.dark-steps p{font-size:14px;color:#d4d8d2;line-height:1.75}.rule{height:3px;width:110px;background:var(--o);margin:32px 0 12px}.process{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}.process .step{padding:24px;background:#fff;border:1px solid var(--line);border-radius:11px}.process h3{margin:8px 0 10px;font-size:22px}.process p{color:var(--muted);margin:0;font-size:14px;line-height:1.8}.first-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}.first .photo{min-height:320px}.footer-cta{display:flex;align-items:flex-start;gap:30px;justify-content:space-between}.footer-cta p{max-width:750px}footer{background:white;padding:50px 0 70px}.footer-brand{font-size:19px;font-weight:700}.footnote{font-size:12px;color:var(--muted);line-height:1.75}.footnote a{color:var(--o)}.demo{background:#fff7f0;border-left:4px solid var(--o);padding:11px 15px;font-size:12px;margin:20px 0 0;color:#744634}.photo-loading{display:none}
@media(max-width:1250px){.page,.hero-inner{margin-left:5%;margin-right:5%}header{padding-left:5%;padding-right:5%}}@media(max-width:760px){header{height:66px;padding:0 24px}.mark{width:77px}.nav a{display:none}.nav{gap:9px}.status{font-size:10px;padding:6px 10px}.hero{height:auto;min-height:0;overflow:visible;color:var(--ink);background:var(--warm)}.hero-img{position:relative;display:block;height:210px;width:100%;object-position:center 46%}.shade{height:210px;background:linear-gradient(180deg,transparent,#21382d32)}.hero-inner{height:auto;max-width:none;margin:0;padding:21px 24px 22px;display:block;background:var(--warm)}.eyebrow{font-size:11px;color:var(--o)}.hero h1{font-size:38px;line-height:1.15;margin:16px 0 14px}.short-rule{width:72px;height:5px}.hero-lead{font-size:18px;margin-top:13px}.hero-copy{font-size:14px;color:var(--muted);max-width:100%}.hero-copy br{display:none}.hero .btn{margin-top:16px;min-height:44px}.hero-notice{display:inline;position:relative;color:var(--muted);font-size:10px;line-height:1.45;margin-left:10px;max-width:150px}.photo-legend{top:178px;bottom:auto;right:18px;font-size:10px}.page{margin:0 24px}.section{padding:53px 0}.section h2{font-size:30px}.section p.desc{font-size:14px}.three,.editorial,.dark-steps,.process,.first-grid{grid-template-columns:1fr}.item{min-height:0;padding:21px}.item h3{font-size:22px}.editorial-info{padding:23px}.editorial-info h3{font-size:27px}.photo{min-height:240px}.first .photo{min-height:250px}.journal article{grid-template-columns:1fr;gap:2px}.journal article b{font-size:15px}.journal article span{font-size:13px}.dark-steps{gap:14px}.dark-steps h3{margin:4px 0}.process{gap:13px}.footer-cta{display:block}.footer-cta .btn{margin-top:22px}footer{padding:36px 0 60px}.demo{font-size:11px}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important}}

/* Baseline: semantic markup, real page navigation, tested responsive content. */
html{scroll-padding-top:76px} .site-header{position:relative;z-index:15} .site-nav{display:flex;gap:27px;align-items:center} .site-nav a{text-decoration:none;font-size:13px} .site-nav a[aria-current=page]{color:#f6beaa} .menu-button{display:none;background:transparent;color:#fff;border:1px solid #ffffff4d;border-radius:7px;padding:9px 13px;min-height:44px} .hero{height:480px} .hero .eyebrow{font-size:12px}.editorial-info{border-radius:8px}.editorial .photo{border-radius:8px}.photo figcaption{display:none}.photo-legend,.demo{display:none!important}.photo-state{background:#e1e9e3}.photo-state.show{display:flex}.photo-state span{max-width:300px}.section .photo{isolation:isolate}.photo img{max-width:100%}.action-bar{margin-top:27px}.text-link{display:inline-flex;gap:10px;align-items:center;color:var(--o);text-decoration:none;font-weight:700;font-size:14px}.text-link:after{content:'↗'}.source-links{display:none} .story-grid{display:grid;grid-template-columns:1.06fr .94fr;gap:35px;align-items:stretch}.story-info{display:flex;flex-direction:column;justify-content:space-between}.story-info .journal{margin-top:26px}.brand-kicker{font-size:12px;color:var(--o);font-weight:800;letter-spacing:.13em}.editorial .photo{min-height:440px}.photo img{transition:transform .45s ease}.photo:hover img,.photo:focus-within img{transform:scale(1.015)} .rights-foot{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:17px}.rights-foot a{text-decoration:none;color:var(--ink)}.rights-foot a:hover{text-decoration:underline}.site-footer-links{display:flex;gap:21px;flex-wrap:wrap;font-size:13px}.padded-top{padding-top:88px}.page-hero{padding:92px 0 73px;background:#efeae1}.page-hero h1{font-size:clamp(38px,5vw,64px);letter-spacing:-.05em;line-height:1.2;margin:12px 0 20px;max-width:950px}.page-hero p{max-width:800px;color:var(--muted);font-size:18px;line-height:1.8}.prose{max-width:900px;line-height:1.95;color:var(--ink)}.prose h2{font-size:30px;margin:39px 0 12px}.prose p{font-size:16px;color:var(--muted)}.prose strong{color:var(--ink)}.topic{border-top:1px solid var(--line);padding:20px 0}.contact-sets{display:grid;grid-template-columns:repeat(3,1fr);gap:19px;margin-top:30px}.contact-sets article{border:1px solid var(--line);border-radius:10px;background:var(--paper);padding:25px}.contact-sets h3{margin:0 0 12px}.status-prompt{background:#fff;border-left:3px solid var(--o);padding:19px 23px;margin-top:23px;font-size:14px;color:var(--ink)} .skip{position:absolute;left:18px;top:-100px;background:#fff;color:#111;padding:10px;z-index:40}.skip:focus{top:10px}.feature-photo{min-height:400px;position:relative;overflow:hidden;border-radius:12px;background:#d7ddd6}.feature-photo img{width:100%;height:100%;position:absolute;inset:0;object-fit:cover}.miniapp-status{background:#fff;border:1px solid #ddcec3;padding:22px;border-radius:10px;margin-top:20px;max-width:700px}.miniapp-status h3{font-size:17px;margin:0 0 8px}.miniapp-status p{font-size:14px;color:var(--muted);margin:0}
@media(max-width:760px){.menu-button{display:inline-flex;align-items:center;justify-content:center}.site-header{padding:0 24px}.site-nav{display:none;position:absolute;top:66px;left:0;right:0;padding:16px 24px 21px;background:#152722;flex-direction:column;align-items:flex-start;gap:9px}.site-nav[data-open=true]{display:flex}.site-nav a{font-size:15px;padding:9px 0;min-height:40px;width:100%}.site-nav .status{font-size:12px}.nav{display:flex}.nav a{display:initial}.editorial .photo{min-height:260px}.story-grid{grid-template-columns:1fr}.contact-sets{grid-template-columns:1fr}.page-hero{padding:55px 0}.page-hero p{font-size:15px}.rights-foot{flex-direction:column;align-items:flex-start}.site-footer-links{gap:15px}.hero-notice{display:block;margin:11px 0 0;font-size:12px}.hero .btn{margin-top:20px}.photo-legend{display:none}}

/* On small screens the photo and editorial copy occupy separate normal-flow
   rows. The late desktop rule .hero{height:480px} must not clip the mobile CTA. */
@media (max-width:760px) {
  .hero { height:auto; min-height:0; }
}

/* Editorial documentary photography: emphasize residents lower in frame, keep caption legible without covering the crowd. */
#editorial .photo img{object-position:center 69%}
#editorial .photo figcaption{padding:19px 19px 12px;background:linear-gradient(transparent,rgba(11,27,24,.75));font-size:13px;line-height:1.5}
@media(max-width:760px){#editorial .photo figcaption{padding:15px 14px 10px;font-size:12px}}

/* Prelaunch brand artwork for the only confirmed first city.
   This is explicitly a graphic, never a pretend documentary photograph. */
.first-art{position:relative;isolation:isolate;background:linear-gradient(136deg,#16332d 0%,#315c4f 44%,#94b8a3 100%)}
.first-art img{opacity:0}
.first-art::before{content:"";position:absolute;inset:0;background:linear-gradient(150deg,transparent 35%,rgba(247,246,242,.23) 35%,rgba(247,246,242,.23) 51%,transparent 51%),linear-gradient(24deg,transparent 38%,rgba(19,47,40,.40) 38%,rgba(19,47,40,.40) 58%,transparent 58%);z-index:1;pointer-events:none}
.first-art::after{content:"从巧家开始";position:absolute;left:27px;bottom:25px;color:#fff;font-weight:750;font-size:26px;letter-spacing:.08em;text-shadow:0 2px 12px #142a2780;z-index:2}
@media(max-width:760px){.first-art::after{left:22px;bottom:20px;font-size:23px}}

/* Official contact channels are real public links or verified enterprise-WeChat QR. */
.contact-wecom{margin:12px 0 0;display:inline-flex;flex-direction:column;align-items:center;gap:8px}
.contact-wecom img{display:block;max-width:185px;width:100%;height:auto;border:1px solid var(--line);border-radius:8px}
.contact-wecom figcaption{font-size:13px;color:var(--muted)}
.miniapp-dialog{border:0;border-radius:12px;max-width:min(92vw,410px);padding:23px 24px;text-align:center;box-shadow:0 15px 60px #0005}
.miniapp-dialog::backdrop{background:rgba(9,25,22,.65)}
.dialog-bar{display:flex;justify-content:space-between;align-items:center;gap:12px}
.dialog-bar h2{font-size:20px;line-height:1.35;margin:0}
.dialog-close{border:0;background:transparent;font-size:28px;min-width:42px;min-height:42px}
.official-qr{display:block;width:min(220px,65vw);height:auto;margin:16px auto}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}
.story-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:28px}
.story-cols h3{font-size:26px;margin:0 0 9px;letter-spacing:-.02em}
.story-cols p{margin:0;font-size:16px;line-height:1.7;color:var(--muted)}
.photo.street-banner{min-height:0;margin:30px 0 0;border-radius:12px;background:#dcd8d0}
.photo.street-banner img{position:static;width:100%;height:auto}
.photo.street-banner figcaption{font-size:20px;font-weight:500;padding:40px 24px 18px;background:linear-gradient(transparent,#15231fe0)}
.photo.street-banner:hover img,.photo.station-shot:hover img{transform:none}
.station-photos{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:30px}
.photo.station-shot{min-height:0;border-radius:12px;background:#dcd8d0}
.photo.station-shot img{position:static;width:100%;height:auto}
.station-caption{margin:14px 0 0;font-size:15px;line-height:1.7;color:var(--muted)}
@media(max-width:760px){.story-cols{grid-template-columns:1fr;gap:22px}.story-cols h3{font-size:22px}.station-photos{grid-template-columns:1fr;gap:14px}.photo.street-banner figcaption{font-size:14px;padding:26px 16px 12px}.station-caption{font-size:13px}}
.only-narrow{display:none}
@media(max-width:760px){.only-wide{display:none}.only-narrow{display:inline}}
@media(max-width:760px){
.eyebrow{position:absolute;top:-26px;left:0;right:0;color:#fff;z-index:3}
.hero-inner{padding-top:18px}
}