:root{color-scheme:light;--ink:#1e2932;--muted:#84929d;--line:rgba(83,111,132,.11);--blue:#7598b6;--blue-dark:#557a99;--blue-pale:#e6f0f7;--red:#e20612;--surface:rgba(255,255,255,.94);--shadow:0 10px 30px rgba(55,82,103,.08);font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","PingFang SC","Helvetica Neue",Arial,sans-serif}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{background:#eaf3f9;overscroll-behavior:none}
body{margin:0;min-height:100dvh;color:var(--ink);background:linear-gradient(155deg,#fbfdff 0%,#eef6fb 36%,#e4eff7 100%);-webkit-font-smoothing:antialiased}
button,input{font:inherit;color:inherit}button{border:0;padding:0;background:none}button:not(:disabled){cursor:pointer}img{display:block;max-width:100%}
.app-shell{width:100%;min-height:100dvh;margin:0 auto;padding-top:env(safe-area-inset-top);padding-bottom:calc(88px + env(safe-area-inset-bottom));position:relative}
.app-header{height:64px;padding:8px 18px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:20;background:rgba(242,248,252,.86);backdrop-filter:blur(18px) saturate(1.25);border-bottom:1px solid rgba(72,103,127,.07)}
.app-name{display:flex;align-items:center;gap:10px}.app-name b{font-size:17px;font-weight:820;display:block;letter-spacing:-.3px}.app-name small{font-size:9px;letter-spacing:1.7px;color:#7890a3;display:block;margin-top:2px}
.camera-mark{width:38px;height:29px;border:2px solid #668aa8;border-radius:9px;position:relative;background:rgba(255,255,255,.7)}.camera-mark:before{content:"";position:absolute;width:8px;height:5px;border-radius:3px 3px 0 0;background:#668aa8;top:-6px;left:7px}.camera-mark:after{content:"";position:absolute;width:11px;height:11px;border:2px solid #668aa8;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%)}
.install-button{height:36px;padding:0 13px;border-radius:18px;background:#fff;box-shadow:0 6px 18px rgba(64,91,112,.08);font-size:13px;font-weight:720;display:flex;align-items:center;gap:5px}.install-button span{font-size:18px;color:var(--blue-dark)}
#app{max-width:720px;margin:0 auto}.page{padding:16px 16px 34px}.enter{animation:page-in .28s cubic-bezier(.2,.75,.3,1) both}@keyframes page-in{from{opacity:0;transform:translateY(7px)}to{opacity:1;transform:none}}
.home-switcher{display:flex;align-items:center;gap:10px;margin-bottom:22px}.author-pill,.museum-entry{height:54px;background:var(--surface);border:1px solid rgba(83,111,132,.07);border-radius:27px;box-shadow:var(--shadow);display:flex;align-items:center}.author-pill{padding:5px 12px 5px 5px;min-width:108px}.author-pill img{width:42px;height:42px;border-radius:50%;object-fit:cover;background:#fff}.author-pill span,.museum-entry span{display:block;text-align:left;margin-left:8px}.author-pill b,.museum-entry b{display:block;font-size:13px;font-weight:780;white-space:nowrap}.author-pill small,.museum-entry small{display:block;font-size:9px;color:#949da5;margin-top:1px;letter-spacing:.4px}
.museum-entry{flex:1;min-width:0;padding:5px 10px 5px 5px}.museum-entry>img{width:42px;height:42px}.museum-entry span{flex:1;min-width:0}.museum-entry small{letter-spacing:1.1px}.museum-entry i{font-style:normal;color:#a4adb4;font-size:27px;line-height:1}
.brand-lockup{margin:4px 2px 13px}.brand-lockup strong{font-size:28px;font-weight:900;letter-spacing:-1.2px;position:relative;display:inline-block}.brand-lockup strong:after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:4px;border-radius:3px;background:#779ab8}.brand-lockup small{display:block;margin-top:10px;color:#758999;font-size:11px;letter-spacing:1.5px}
.search-box{height:50px;background:#fff;border-radius:25px;padding:0 15px;display:flex;align-items:center;gap:9px;box-shadow:0 7px 22px rgba(53,76,94,.06);margin:18px 0}.search-box>span{font-size:24px;color:#7598b5}.search-box input{border:0;outline:0;background:transparent;min-width:0;flex:1;font-size:15px}.search-box input::placeholder{color:#a8b2ba}.clear-search{width:26px;height:26px;border-radius:50%;background:#edf2f5;color:#7f8c96;font-size:20px;line-height:1}
.segmented{height:52px;padding:4px;border-radius:18px;background:rgba(221,232,240,.78);display:flex;margin-bottom:13px}.segmented button{flex:1;border-radius:14px;display:flex;align-items:center;justify-content:center;gap:8px;font-weight:740;color:#89959e;font-size:15px;transition:all .2s ease}.segmented button.active{background:#fff;color:var(--blue-dark);box-shadow:0 5px 13px rgba(64,86,102,.08)}
.line-icon{width:19px;height:16px;display:inline-block;position:relative}.line-icon.camera{border:1.8px solid currentColor;border-radius:4px}.line-icon.camera:before{content:"";position:absolute;width:5px;height:3px;border-radius:2px 2px 0 0;background:currentColor;top:-4px;left:3px}.line-icon.camera:after{content:"";position:absolute;width:6px;height:6px;border:1.6px solid currentColor;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%)}.line-icon.lens{width:17px;height:17px;border:1.8px solid currentColor;border-radius:50%}.line-icon.lens:before,.line-icon.lens:after{content:"";position:absolute;border:1.3px solid currentColor;border-radius:50%;inset:3px}.line-icon.lens:after{inset:6px;background:currentColor}
.category-scroll{display:flex;gap:8px;overflow-x:auto;padding:2px 1px 12px;scrollbar-width:none}.category-scroll::-webkit-scrollbar{display:none}.category-scroll button{flex:none;padding:8px 13px;border-radius:18px;background:rgba(255,255,255,.9);font-size:12px;color:#7d8992;box-shadow:0 4px 12px rgba(56,78,95,.04)}.category-scroll button.active{background:var(--blue);color:#fff;font-weight:700}
.list-stack{display:grid;gap:12px}.product-card{min-height:126px;background:var(--surface);border-radius:22px;padding:10px;display:flex;align-items:center;box-shadow:var(--shadow);overflow:hidden}.product-main{flex:1;min-width:0;display:flex;align-items:center;text-align:left}.product-thumb{width:112px;height:106px;border-radius:16px;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;flex:none}.product-thumb img{width:100%;height:100%;object-fit:contain;background:#fff}.product-copy{min-width:0;flex:1;padding:3px 10px 3px 13px}.product-copy b{font-size:17px;font-weight:820;line-height:1.24;display:block;word-break:break-word}.product-copy small{font-size:12px;color:#8a959d;display:block;margin-top:8px;line-height:1.35}.product-copy em{font-size:15px;font-style:normal;font-weight:780;color:var(--blue-dark);display:block;margin-top:9px}.card-actions{display:grid;gap:8px;margin-right:2px}.round-action{width:38px;height:38px;border:1px solid #e4e9ed;border-radius:50%;color:#a8b0b7;background:#fff;font-size:20px}.round-action.active{background:var(--blue);border-color:var(--blue);color:#fff}
.leica-titlebar{height:66px;display:flex;align-items:center;gap:11px}.back-circle{width:42px;height:42px;border-radius:50%;background:#fff;box-shadow:0 6px 18px rgba(55,75,91,.07);font-size:21px;color:#657785}.leica-titlebar>img{width:45px;height:45px}.leica-titlebar>span{min-width:0}.leica-titlebar b{display:block;font-size:22px;font-weight:850}.leica-titlebar small{display:block;font-size:9px;letter-spacing:1.3px;color:#8d989f;margin-top:2px}.gallery-note,.detail-note{padding:13px 15px;border-radius:16px;background:rgba(255,255,255,.87);border-left:4px solid var(--red);font-size:12px;color:#68757e;line-height:1.55;margin:12px 0}.leica-segmented button.active{color:#24292d}.gallery-section{margin-top:24px}.gallery-section>header{display:flex;align-items:end;justify-content:space-between;padding:0 3px 11px}.gallery-section>header b{font-size:19px}.gallery-section>header small{font-size:11px;color:#8c969e}.gallery-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.gallery-card{background:var(--surface);border-radius:19px;padding:8px 8px 12px;box-shadow:0 7px 22px rgba(47,69,86,.06);overflow:hidden;min-width:0}.gallery-image{width:100%;height:142px;border-radius:13px;background:#fff;overflow:hidden;position:relative}.gallery-image img{width:100%;height:100%;object-fit:contain;background:#fff}.gallery-image span{position:absolute;right:6px;bottom:6px;border-radius:10px;padding:5px 7px;background:rgba(226,6,18,.9);color:#fff;font-size:9px}.gallery-card>b{display:block;font-size:13px;line-height:1.28;margin:10px 3px 5px;word-break:break-word}.gallery-card>small{display:block;font-size:10px;line-height:1.4;color:#87929a;margin:0 3px}
.detail-page{padding-bottom:70px}.detail-nav{height:51px;display:grid;grid-template-columns:42px 1fr 42px;align-items:center;text-align:center;gap:8px}.detail-nav>button{width:38px;height:38px;border-radius:50%;background:#fff;box-shadow:0 5px 15px rgba(55,75,91,.07);font-size:20px}.detail-nav>b{font-size:16px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.detail-nav>img{width:38px;height:38px}.detail-nav>span{font-size:9px;font-weight:900;letter-spacing:-.3px;color:#486883}.detail-hero{height:278px;border-radius:23px;background:#fff;display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:var(--shadow);margin:10px 0 12px}.detail-hero img{width:96%;height:96%;object-fit:contain;background:#fff}.detail-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;background:rgba(255,255,255,.92);border-radius:18px;padding:15px 16px}.detail-heading>div{min-width:0}.detail-heading b{font-size:23px;display:block}.detail-heading small{font-size:11px;color:#87929a;display:block;margin-top:4px}.detail-heading em{font-size:14px;font-weight:780;font-style:normal;color:var(--blue-dark);text-align:right}.detail-buttons{display:flex;gap:9px;margin-top:11px}.detail-buttons button{height:44px;flex:1;border-radius:14px;border:1px solid #a9c2d5;background:#fff;color:var(--blue-dark);font-size:13px;font-weight:720}.detail-buttons button.active{background:var(--blue);color:#fff;border-color:var(--blue)}.spec-stack{display:grid;gap:11px;margin-top:13px}.spec-card{background:rgba(255,255,255,.94);border-radius:20px;padding:16px;box-shadow:0 7px 22px rgba(55,77,94,.05)}.spec-card h2{font-size:16px;margin:0 0 5px;padding:0 0 8px;border-bottom:1px solid #edf0f2;position:relative}.spec-card h2:before{content:"";display:inline-block;width:4px;height:15px;border-radius:3px;background:var(--blue);margin-right:8px;vertical-align:-2px}.leica-detail .spec-card h2:before{background:var(--red)}.spec-card>div{min-height:44px;padding:10px 0;border-bottom:1px solid #edf0f2;display:flex;align-items:center;justify-content:space-between;gap:16px}.spec-card>div:last-child{border-bottom:0}.spec-card span{font-size:12px;color:#8d979f;flex:none}.spec-card b{font-size:12px;text-align:right;line-height:1.45;max-width:68%}.source-note{font-size:10px;color:#8b959d;text-align:center;line-height:1.6;padding:13px 15px}.floating-back{position:fixed;right:20px;bottom:calc(24px + env(safe-area-inset-bottom));width:52px;height:52px;border-radius:50%;background:var(--blue);color:#fff;font-size:24px;box-shadow:0 10px 26px rgba(78,117,148,.3);z-index:30}.leica-detail .floating-back{background:var(--red)}
.tool-title{padding:8px 2px 19px}.tool-title b{display:block;font-size:29px}.tool-title small{display:block;font-size:12px;color:#87939c;margin-top:5px}.compare-picks{display:grid;grid-template-columns:1fr 38px 1fr;align-items:center;gap:5px}.compare-picks>article{height:190px;border-radius:20px;background:#fff;padding:10px;text-align:center;display:flex;flex-direction:column;align-items:center}.compare-picks img{width:100%;height:116px;object-fit:contain}.compare-picks article>b{font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.compare-picks article>button{font-size:10px;color:#d2585e;margin-top:6px}.compare-picks>strong{text-align:center;color:var(--blue-dark);font-size:13px}.compare-picks .pick-empty{justify-content:center;color:#a8b1b8}.pick-empty span{font-size:35px}.pick-empty b{margin-top:8px}.compare-table{margin-top:13px;background:#fff;border-radius:18px;overflow-x:auto;box-shadow:var(--shadow)}.compare-row{min-width:570px;display:grid;grid-template-columns:128px 1fr 1fr;border-top:1px solid #edf0f2}.compare-row>*{padding:11px 9px;border-left:1px solid #edf0f2;font-size:11px;line-height:1.4}.compare-row>*:first-child{border-left:0;color:#89949c}.compare-row.head{background:var(--blue-pale);font-weight:760}.compare-row.head>*{color:var(--blue-dark)}.primary-button{width:100%;height:46px;border-radius:15px;background:var(--blue);color:#fff;font-size:14px;font-weight:730;margin-top:13px}.favorite-count{display:flex;align-items:center;gap:13px;padding:17px;background:#fff;border-radius:20px;box-shadow:var(--shadow)}.favorite-count>span{width:53px;height:53px;border-radius:15px;background:var(--blue-pale);color:var(--blue-dark);display:grid;place-items:center;font-size:31px}.favorite-count>div{flex:1}.favorite-count b{font-size:17px;display:block}.favorite-count small{font-size:11px;color:#8a959d}.favorite-count em{font-style:normal;font-size:22px;font-weight:800;color:var(--blue-dark)}.saved-list{display:grid;gap:10px;margin-top:13px}.saved-list article{height:96px;background:#fff;border-radius:18px;padding:8px;display:flex;align-items:center;box-shadow:0 6px 18px rgba(55,76,93,.05)}.saved-list article>button:first-child{display:flex;align-items:center;flex:1;min-width:0;text-align:left}.saved-list img{width:78px;height:78px;object-fit:contain;background:#fff;border-radius:12px}.saved-list span{padding-left:10px;min-width:0}.saved-list b{font-size:14px;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.saved-list small{font-size:10px;color:#8d979f;display:block;margin-top:5px}.saved-list article>button:last-child{font-size:11px;color:#d25c62;padding:10px}.empty-state{height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#9ba5ad}.empty-state span{font-size:45px}.empty-state p{font-size:13px;margin:10px 0}
.bottom-nav{position:fixed;z-index:40;left:0;right:0;bottom:0;height:calc(72px + env(safe-area-inset-bottom));padding:7px max(16px,calc((100vw - 540px)/2)) env(safe-area-inset-bottom);background:rgba(250,252,254,.94);backdrop-filter:blur(20px) saturate(1.25);border-top:1px solid rgba(73,103,126,.09);display:flex;align-items:center;justify-content:space-around}.bottom-nav[hidden]{display:none}.bottom-nav button{width:82px;height:58px;border-radius:18px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#a1abb3;transition:all .18s ease}.bottom-nav .nav-icon{font-size:23px;line-height:1}.bottom-nav small{font-size:10px;margin-top:4px}.bottom-nav button.active{color:#fff;background:linear-gradient(145deg,#8caac3,#6e92b1);box-shadow:0 8px 21px rgba(86,124,155,.25)}
.sheet-backdrop{position:fixed;z-index:80;inset:0;background:rgba(21,32,42,.28);backdrop-filter:blur(6px);display:flex;align-items:flex-end;opacity:0;transition:opacity .22s ease}.sheet-backdrop[hidden]{display:none}.sheet-backdrop.visible{opacity:1}.install-sheet{width:100%;border-radius:26px 26px 0 0;background:#fff;padding:10px 20px calc(20px + env(safe-area-inset-bottom));transform:translateY(25px);transition:transform .22s ease}.visible .install-sheet{transform:none}.sheet-handle{width:38px;height:5px;border-radius:5px;background:#d9dde0;margin:0 auto 18px}.install-sheet h2{font-size:22px;text-align:center;margin:0 0 19px}.install-sheet ol{list-style:none;padding:0;margin:0;display:grid;gap:12px}.install-sheet li{display:flex;align-items:center;font-size:14px}.install-sheet li span{width:27px;height:27px;border-radius:50%;background:var(--blue-pale);color:var(--blue-dark);display:grid;place-items:center;margin-right:10px;font-weight:760}.install-sheet p{font-size:11px;color:#89939b;line-height:1.55;margin:17px 0}.install-sheet>button{height:48px;width:100%;border-radius:15px;background:var(--blue);color:#fff;font-size:15px;font-weight:760}.toast{position:fixed;z-index:100;left:50%;top:calc(env(safe-area-inset-top) + 78px);transform:translate(-50%,-10px);padding:10px 16px;background:rgba(28,37,44,.88);color:#fff;border-radius:18px;font-size:12px;opacity:0;transition:all .2s ease}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:600px){body{background:#dce9f2}.app-shell{max-width:500px;background:linear-gradient(155deg,#fbfdff,#e6f1f8);box-shadow:0 0 70px rgba(40,67,88,.18)}.app-header,.bottom-nav{max-width:500px;margin:auto}.product-card{min-height:136px}.gallery-image{height:166px}}
@media(prefers-reduced-motion:reduce){*{animation-duration:.01ms!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}