:root{color-scheme:light;--ink:#101828;--muted:#667085;--line:#e4e7ec;--page:#f6f8fb;--paper:#fff;--blue:#1769ff;--blue-dark:#0d47b5;--green:#16a36a;--orange:#f79009;--red:#e84855;--shadow:0 12px 34px rgba(16,24,40,.09);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--page)}body{margin:0;min-width:320px;background:var(--page);color:var(--ink)}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.site-header{position:sticky;top:0;z-index:30;border-bottom:1px solid rgba(228,231,236,.86);background:rgba(255,255,255,.93);backdrop-filter:blur(18px)}.header-inner{display:flex;align-items:center;justify-content:space-between;max-width:1320px;min-height:68px;margin:auto;padding:0 24px}.brand{display:flex;align-items:center;gap:10px;min-width:0}.brand-logo{display:grid;place-items:center;width:38px;height:38px;overflow:hidden;border:1px solid #e8edf5;border-radius:8px;background:#fff;color:var(--blue);font-size:13px;font-weight:900;box-shadow:0 6px 18px rgba(23,105,255,.14)}.brand-logo img{display:block;width:100%;height:100%;object-fit:contain}.brand>span:last-child{display:grid;gap:2px}.brand strong{font-size:18px;line-height:1.1}.brand small{color:var(--muted);font-size:11px}.header-nav{display:flex;align-items:center;gap:6px}.header-nav a,.header-nav button{min-height:38px;padding:0 13px;border:0;border-radius:7px;background:transparent;color:#344054;font-size:13px;font-weight:700}.header-nav a:hover,.header-nav button:hover{background:#eef4ff;color:var(--blue)}main{max-width:1320px;margin:auto;padding:18px 24px 50px}.hero{position:relative;isolation:isolate;display:flex;min-height:360px;align-items:flex-end;overflow:hidden;border-radius:8px;background:#12213d center/cover no-repeat;box-shadow:var(--shadow)}.hero::before{position:absolute;inset:0;z-index:-1;content:"";background:linear-gradient(90deg,rgba(6,18,40,.88) 0%,rgba(6,18,40,.64) 48%,rgba(6,18,40,.18) 100%)}.hero-backdrop{position:absolute;inset:0;z-index:-2;background:inherit}.hero-content{width:min(700px,76%);padding:42px}.hero-kicker,.results-kicker{color:#7fb2ff;font-size:11px;font-weight:900;letter-spacing:0}.hero h1{max-width:660px;margin:9px 0 10px;color:#fff;font-size:38px;line-height:1.16;letter-spacing:0}.hero p{max-width:620px;margin:0;color:rgba(255,255,255,.78);font-size:15px;line-height:1.65}.hero-search{position:relative;display:grid;grid-template-columns:24px minmax(0,1fr) auto;align-items:center;width:min(620px,100%);min-height:56px;margin-top:24px;padding:7px 7px 7px 17px;border:1px solid rgba(255,255,255,.38);border-radius:8px;background:rgba(255,255,255,.95);box-shadow:0 16px 34px rgba(0,0,0,.22)}.hero-search>span{color:#667085;font-size:22px}.hero-search input{min-width:0;height:40px;border:0;outline:0;background:transparent;color:#101828}.hero-search button{height:42px;padding:0 24px;border:0;border-radius:6px;background:var(--blue);color:#fff;font-weight:800}.hero-count{position:absolute;right:30px;bottom:30px;display:grid;min-width:104px;padding:15px;border:1px solid rgba(255,255,255,.2);border-radius:8px;background:rgba(8,22,48,.5);color:#fff;text-align:right;backdrop-filter:blur(10px)}.hero-count span{font-size:24px;font-weight:900}.hero-count small{color:rgba(255,255,255,.68);font-size:11px}.quick-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:14px}.quick-links a{display:grid;gap:4px;min-height:80px;padding:16px 18px;border:1px solid var(--line);border-radius:8px;background:var(--paper)}.quick-links a:hover{border-color:#b9d1ff;box-shadow:0 8px 22px rgba(23,105,255,.08);transform:translateY(-1px)}.quick-links span{color:var(--blue);font-size:11px;font-weight:800}.quick-links strong{font-size:15px}.category-menu{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:10px;margin-top:14px}.category-entry{display:grid;place-items:center;gap:8px;min-height:88px;padding:12px 6px;border:1px solid var(--line);border-radius:8px;background:#fff;color:#344054}.category-entry:hover,.category-entry.active{border-color:color-mix(in srgb,var(--entry-color,#1769ff) 58%,white);background:color-mix(in srgb,var(--entry-color,#1769ff) 7%,white);color:var(--entry-color,#1769ff)}.category-entry i{display:grid;place-items:center;width:34px;height:34px;border-radius:8px;background:color-mix(in srgb,var(--entry-color,#1769ff) 11%,white);color:var(--entry-color,#1769ff);font-size:12px;font-style:normal;font-weight:900}.category-entry span{font-size:12px;font-weight:800}.library{display:grid;grid-template-columns:230px minmax(0,1fr);gap:18px;margin-top:24px}.filters{align-self:start;position:sticky;top:86px;padding:18px;border:1px solid var(--line);border-radius:8px;background:#fff}.filter-head{display:flex;align-items:center;justify-content:space-between}.filter-head strong{font-size:17px}.filter-head button{min-height:32px;padding:0 8px;border:0;background:transparent;color:var(--blue);font-size:12px;font-weight:700}.filter-group{margin-top:22px}.filter-label{margin-bottom:10px;color:#475467;font-size:12px;font-weight:800}.filter-options{display:flex;flex-wrap:wrap;gap:7px}.filter-chip{min-height:32px;padding:0 10px;border:1px solid var(--line);border-radius:6px;background:#fff;color:#475467;font-size:12px;font-weight:700}.filter-chip:hover,.filter-chip.active{border-color:#aac7ff;background:#edf4ff;color:var(--blue)}.results{min-width:0}.results-head{display:flex;align-items:end;justify-content:space-between;gap:16px;min-height:56px;margin-bottom:12px}.results-kicker{color:var(--blue)}.results-head h2{margin:4px 0 0;font-size:22px;letter-spacing:0}.sort-tabs{display:flex;gap:4px;padding:3px;border:1px solid var(--line);border-radius:7px;background:#fff}.sort-tabs button{min-height:34px;padding:0 12px;border:0;border-radius:5px;background:transparent;color:#667085;font-size:12px;font-weight:800}.sort-tabs button.active{background:#101828;color:#fff}.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.case-card{position:relative;display:flex;min-width:0;flex-direction:column;overflow:hidden;border:1px solid var(--line);border-radius:8px;background:#fff;transition:.18s ease}.case-card:hover{border-color:#c2d6ff;box-shadow:0 12px 26px rgba(16,24,40,.1);transform:translateY(-2px)}.case-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:#eef2f6}.case-thumb img{display:block;width:100%;height:100%;object-fit:cover}.case-badges{position:absolute;left:9px;top:9px;display:flex;gap:5px}.case-badges span{min-height:24px;padding:4px 7px;border-radius:5px;background:rgba(16,24,40,.78);color:#fff;font-size:10px;font-weight:800;backdrop-filter:blur(6px)}.case-badges .video{background:rgba(23,105,255,.9)}.case-body{display:flex;min-height:166px;flex-direction:column;padding:14px}.case-tags{display:flex;gap:5px;overflow:hidden;white-space:nowrap}.case-tags span{flex:0 0 auto;padding:3px 6px;border-radius:4px;background:#f2f4f7;color:#475467;font-size:10px;font-weight:700}.case-card h3{display:-webkit-box;min-height:42px;margin:9px 0 7px;overflow:hidden;font-size:15px;line-height:1.4;letter-spacing:0;-webkit-box-orient:vertical;-webkit-line-clamp:2}.case-card p{display:-webkit-box;min-height:42px;margin:0;overflow:hidden;color:var(--muted);font-size:12px;line-height:1.55;-webkit-box-orient:vertical;-webkit-line-clamp:2}.case-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto;padding-top:12px;color:#475467;font-size:11px;font-weight:700}.case-meta b{color:var(--orange)}.card-skeleton{min-height:360px;border:1px solid var(--line);border-radius:8px;background:linear-gradient(90deg,#eef1f5 25%,#f8fafc 38%,#eef1f5 63%);background-size:400% 100%;animation:shine 1.4s infinite}@keyframes shine{to{background-position:-100% 0}}.empty{padding:64px 20px;border:1px dashed #cfd6e2;border-radius:8px;background:#fff;text-align:center}.empty strong{font-size:18px}.empty p{color:var(--muted)}.empty button,.load-more button{min-height:42px;padding:0 20px;border:1px solid #cbd5e1;border-radius:6px;background:#fff;color:#344054;font-weight:800}.load-more{display:flex;justify-content:center;padding-top:20px}.load-more button[hidden]{display:none}.back-top{position:fixed;right:24px;bottom:24px;z-index:25;display:none;width:44px;height:44px;border:0;border-radius:8px;background:#101828;color:#fff;font-size:20px;box-shadow:0 10px 26px rgba(16,24,40,.22)}.back-top.show{display:block}.toast{position:fixed;left:50%;bottom:24px;z-index:40;display:none;max-width:calc(100vw - 32px);padding:11px 16px;border-radius:7px;background:#101828;color:#fff;font-size:13px;font-weight:700;transform:translateX(-50%)}.toast.show{display:block}
@media(max-width:1080px){.category-menu{grid-template-columns:repeat(4,minmax(0,1fr))}.case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.header-inner{min-height:58px;padding:0 14px}.brand-logo{width:34px;height:34px}.brand strong{font-size:16px}.brand small{display:none}.header-nav a{display:none}.header-nav button{padding:0 10px}.header-nav a:last-of-type{display:inline-flex;align-items:center}main{padding:10px 12px 36px}.hero{min-height:280px}.hero::before{background:linear-gradient(0deg,rgba(6,18,40,.88),rgba(6,18,40,.3))}.hero-content{width:100%;padding:20px 16px}.hero h1{margin-top:7px;font-size:27px}.hero p{font-size:13px}.hero-search{min-height:50px;margin-top:16px;padding:5px 5px 5px 12px}.hero-search button{height:38px;padding:0 17px}.hero-count{right:12px;top:12px;bottom:auto;min-width:82px;padding:9px}.hero-count span{font-size:19px}.quick-links{grid-template-columns:1fr;gap:8px;margin-top:10px}.quick-links a{min-height:62px;padding:12px 14px}.category-menu{grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin-top:10px}.category-entry{min-height:72px;padding:8px 4px}.category-entry i{width:30px;height:30px}.library{display:block;margin-top:18px}.filters{position:static;padding:13px}.filter-group{margin-top:13px}.filter-options{flex-wrap:wrap;overflow:visible;padding-bottom:0}.filter-chip{flex:0 1 auto}.results-head{align-items:center;margin-top:14px}.results-head h2{font-size:18px}.results-kicker{display:none}.sort-tabs button{padding:0 8px}.case-grid{grid-template-columns:1fr;gap:8px}.case-card{display:grid;grid-template-columns:132px minmax(0,1fr);padding:8px}.case-thumb{border-radius:6px}.case-body{min-height:99px;padding:2px 4px 2px 10px}.case-tags span:nth-child(n+3){display:none}.case-card h3{min-height:36px;margin:6px 0 4px;font-size:13px;line-height:1.35}.case-card p{display:none}.case-meta{padding-top:6px}.case-badges{left:5px;top:5px}.case-badges span{min-height:20px;padding:3px 5px}.card-skeleton{min-height:116px}.back-top{right:14px;bottom:18px}}
@media(max-width:370px){.case-card{grid-template-columns:108px minmax(0,1fr)}.sort-tabs button{padding:0 6px}.hero h1{font-size:24px}}