:root{--forest:#10231f;--forest-2:#18332c;--gold:#b79657;--paper:#f4f3ef;--ink:#1e2824;--muted:#718079;--line:#d8d9d3}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:"Microsoft YaHei",system-ui,sans-serif;letter-spacing:0}.topbar{height:68px;padding:0 max(18px,calc((100vw - 1200px)/2));background:rgba(16,35,31,.97);color:#fff;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:11px;color:#fff;text-decoration:none}.brand .mark{width:34px;height:34px;border:1px solid var(--gold);color:var(--gold);display:grid;place-items:center;font:20px Georgia}.brand b{display:block;font-size:14px;font-weight:500}.brand small{display:block;color:#aebbb5;font:9px Arial;margin-top:3px}.icon-button{width:38px;height:38px;border:0;background:transparent;color:#fff;font-size:26px}.intro-band{background:var(--forest);color:#fff;padding:46px max(20px,calc((100vw - 1200px)/2)) 40px}.intro-band p{font:11px Arial;color:#bda677;letter-spacing:2px;margin:0 0 10px}.intro-band h1{font-size:clamp(35px,7vw,64px);font-weight:400;margin:0 0 24px}.intro-row{display:flex;align-items:center;gap:13px;color:#c0cbc6;font-size:12px}.intro-row i{display:block;width:3px;height:3px;border-radius:50%;background:var(--gold)}.controls{max-width:1200px;margin:auto;padding:18px 18px 8px}.modes{display:grid;grid-template-columns:repeat(4,1fr);background:#e6e7e1;padding:3px}.modes button{border:0;background:transparent;padding:11px 5px;color:#65716b;font:inherit;font-size:13px}.modes button.active{background:#fff;color:var(--forest);box-shadow:0 2px 8px #10231f10}.search-box{display:none;margin-top:13px;gap:8px}.search-box.open{display:flex}.search-box input{flex:1;border:1px solid var(--line);background:#fff;padding:12px;font:inherit;border-radius:0}.search-box button{border:1px solid var(--line);background:#fff;padding:0 14px}.category-filters{display:flex;gap:8px;overflow:auto;padding:15px 0 8px;scrollbar-width:none}.category-filters button{border:1px solid #d2d5ce;background:transparent;padding:8px 13px;white-space:nowrap;color:#5b6962;font:inherit;font-size:12px}.category-filters button.active{background:var(--forest-2);border-color:var(--forest-2);color:#fff}.result-meta{display:flex;justify-content:space-between;color:#87918c;font-size:11px;padding:9px 0 4px}.case-grid{max-width:1200px;margin:auto;padding:10px 18px 70px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.case-card{position:relative;background:#fff;cursor:pointer;overflow:hidden}.case-card .image{aspect-ratio:1.22;overflow:hidden;background:#dfe1dc}.case-card img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s}.case-card:hover img{transform:scale(1.025)}.case-card .badge{position:absolute;left:10px;top:10px;background:rgba(16,35,31,.88);color:#fff;padding:5px 8px;font-size:10px}.case-card .info{padding:13px 13px 15px}.case-card h2{font-size:17px;font-weight:500;margin:0 0 6px}.case-card p{font-size:11px;color:var(--gold);margin:0}.case-card .count{position:absolute;right:12px;bottom:16px;color:#8c9892;font-size:10px}.empty{grid-column:1/-1;text-align:center;padding:70px 0;color:var(--muted)}dialog{margin:0;width:100%;height:100%;max-width:none;max-height:none;border:0;padding:0;background:var(--paper);color:var(--ink)}dialog::backdrop{background:#0008}dialog header{height:64px;background:var(--forest);color:#fff;display:grid;grid-template-columns:44px 1fr 44px;align-items:center;padding:0 9px;position:sticky;top:0;z-index:3}dialog header button{border:0;background:transparent;color:#fff;font-size:31px}dialog header div{min-width:0}dialog header b{display:block;font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}dialog header small{display:block;color:#aebbb5;font-size:10px;margin-top:2px}.viewer-body{max-width:900px;margin:auto;padding:0 0 80px}.viewer-copy{padding:25px 20px 18px}.viewer-copy .label{color:var(--gold);font-size:11px}.viewer-copy h2{font-size:26px;font-weight:400;margin:9px 0}.viewer-copy p{font-size:13px;color:#68746e;line-height:1.8}.viewer-image{margin:0 0 6px;background:#ddd}.viewer-image img{width:100%;display:block}.viewer-image figcaption{padding:7px 12px 11px;color:#8a948f;font-size:10px}.viewer-actions{position:fixed;left:0;right:0;bottom:0;height:62px;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;padding-bottom:env(safe-area-inset-bottom);z-index:4}.viewer-actions a,.viewer-actions button{display:grid;place-items:center;text-decoration:none;color:var(--forest);font-size:13px;border:0;font-family:inherit;cursor:pointer;background:transparent;position:relative}.viewer-actions a.primary,.viewer-actions button.primary{background:var(--forest);color:#fff}.contact-panel{background:#dfe4df;padding:48px max(20px,calc((100vw - 900px)/2))}.contact-panel p{color:#728078;font-size:11px}.contact-panel h2{font-weight:400;font-size:25px;margin:12px 0 26px}.contact-grid{display:flex;justify-content:space-between;gap:30px;font-size:12px;color:#66736d;flex-wrap:wrap}.contact-item{display:flex;flex-direction:column;gap:8px;align-items:flex-start}.contact-label{color:#9aa49e;font-size:11px;letter-spacing:1px}.contact-phone{color:var(--forest);font:700 22px Arial;background:none;border:0;cursor:pointer;padding:0;position:relative}.copy-hint{color:#aeb6b0;font-size:10px}.contact-addr{font-size:13px;line-height:1.6;color:#66736d;max-width:240px}.contact-qr{width:110px;height:110px;background:#fff;display:grid;place-items:center;border:1px solid var(--line)}.contact-qr-group{display:flex;gap:12px;flex-wrap:wrap}.contact-qr img{width:100%;height:100%;object-fit:contain}.wechat-qr-missing{display:none;font-size:11px;color:#9aa49e;text-align:center;padding:10px}footer{background:var(--forest);color:#d7ded9;padding:27px 20px;text-align:center;font-size:12px}footer small{display:block;color:#84928b;font-size:9px;margin-top:9px}@media(min-width:760px){.case-grid{grid-template-columns:repeat(3,1fr);gap:20px}.controls{padding-top:24px}.case-card h2{font-size:19px}.contact-grid{align-items:flex-start}}@media(max-width:560px){.case-grid{padding-left:12px;padding-right:12px;gap:10px}.controls{padding-left:12px;padding-right:12px}.case-card .info{padding:11px}.case-card h2{font-size:15px}.contact-grid{flex-direction:column}.intro-band{padding-top:38px}}.video-area{margin:0 0 6px}.video-player-wrap{margin:0 0 6px;background:#000}.main-video{width:100%;display:block;max-height:72vh;background:#000}.video-playlist{display:flex;gap:8px;overflow-x:auto;padding:12px;background:var(--forest-2);scrollbar-width:thin;scrollbar-color:#2a453c transparent}.video-playlist::-webkit-scrollbar{height:4px}.video-playlist::-webkit-scrollbar-thumb{background:#2a453c}.video-item{flex:0 0 auto;display:grid;place-items:center;min-width:56px;height:40px;padding:0 14px;border:1px solid #2a453c;background:transparent;color:#c0cbc6;font-family:inherit;font-size:13px;cursor:pointer}.video-item.active{background:var(--gold);color:#10231f;border-color:var(--gold)}.vi-no{font:700 13px Arial}.video-loading{padding:60px 20px;text-align:center;color:#c0cbc6;background:#000;margin:0 0 6px}.video-empty{padding:60px 20px;text-align:center;color:var(--muted);background:#e6e7e1;margin:0 0 6px}.wechat-dialog{margin:auto;width:min(420px,92vw);height:auto;max-width:none;max-height:none;border:0;padding:0;background:var(--paper)}.wechat-dialog::backdrop{background:#0008}.wechat-body{padding:30px 20px 40px;text-align:center}.wechat-qr-wrap{width:min(280px,80vw);aspect-ratio:1;background:#fff;margin:0 auto 16px;display:grid;place-items:center;border:1px solid var(--line)}.wechat-qr-wrap img{width:100%;height:100%;object-fit:contain}.wechat-qr-item{display:flex;flex-direction:column;align-items:center;margin-bottom:20px}.wechat-qr-item:last-of-type{margin-bottom:0}.wechat-qr-item .wechat-qr-wrap{margin:0 0 8px}.wechat-qr-label{color:var(--forest);font-size:13px;font-weight:500}.wechat-hint{color:#8a948f;font-size:12px}.copy-toast{position:absolute;left:50%;bottom:8px;transform:translateX(-50%);font:600 10px Arial;color:var(--gold);white-space:nowrap;pointer-events:none;animation:copyFade 1.2s}@keyframes copyFade{0%{opacity:0}20%{opacity:1}80%{opacity:1}100%{opacity:0}}@media(max-width:560px){.modes button{font-size:11px;padding:11px 2px}}