:root{color-scheme:light dark;--bg:#f5f3ee;--surface:#fffefa;--soft:#eeece6;--ink:#252722;--muted:#73756e;--line:#deded4;--brand:#d9143c;--brand-red:#fa2448;--tint:#fff0f3;--accent:#c91539;--green:#327454;--green-bg:#e6f0e9;--amber:#91631d;--amber-bg:#fff0ce;--shadow:0 12px 36px #25272208;--serif:'Source Serif 4',Georgia,'Times New Roman',serif;--sans:'Public Sans',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif}
@media(prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#101013;--surface:#1a1a1f;--soft:#23232a;--ink:#f4f4f6;--muted:#aaaab3;--line:#35353e;--brand:#d9143c;--tint:#361b25;--accent:#ff8b9a;--green:#8ac5a0;--green-bg:#182b23;--amber:#efc574;--amber-bg:#322918;--shadow:none}}
:root[data-theme=dark]{--bg:#101013;--surface:#1a1a1f;--soft:#23232a;--ink:#f4f4f6;--muted:#aaaab3;--line:#35353e;--brand:#d9143c;--tint:#361b25;--accent:#ff8b9a;--green:#8ac5a0;--green-bg:#182b23;--amber:#efc574;--amber-bg:#322918;--shadow:none}
:root[data-theme=light]{color-scheme:light}:root[data-theme=dark]{color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 var(--sans)}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{opacity:.4;cursor:not-allowed}button,a{touch-action:manipulation}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}button{border:0;background:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--brand);outline-offset:4px}h1,h2,h3,h4{font-family:var(--serif);line-height:1.16;letter-spacing:-.025em;margin:0 0 12px}h1{font-size:46px}h2{font-size:28px}h3{font-size:22px}h4{font-size:19px}p{margin:0 0 16px}small,.muted{color:var(--muted)}small{font-size:12px}svg.i{width:22px;height:22px;flex:none;vertical-align:middle;stroke:currentColor;fill:none;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.eyebrow{font-size:11px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}.red{color:var(--accent)}.brand{display:flex;gap:12px;align-items:center;color:var(--ink);font:700 23px var(--serif)}.monogram{width:42px;height:42px;display:grid;place-items:center;border-radius:50%;background:var(--brand);color:white;font:700 18px var(--serif);flex:none}.sidebar{position:fixed;inset:0 auto 0 0;width:228px;padding:34px 24px;border-right:1px solid var(--line);display:flex;flex-direction:column;background:var(--surface);z-index:5}.sidebar .brand{margin-bottom:54px}.side-nav{display:grid;gap:8px}.nav-link{display:flex;align-items:center;gap:14px;padding:13px 16px;border-radius:10px;color:var(--muted);font-weight:600}.nav-link.active{background:var(--tint);color:var(--accent)}.nav-link:hover{text-decoration:none;background:var(--soft)}.side-bottom{margin-top:auto;padding-top:30px}.side-note{font-size:12px;color:var(--muted);margin-top:20px}.main{margin-left:228px;max-width:1470px;padding:0 48px 64px}.topbar{height:92px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:12px}.topbar .crumb{font-size:13px;color:var(--muted)}.top-actions{display:flex;align-items:center;gap:12px}.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--surface);position:relative;color:var(--ink)}.avatar{font-size:12px;font-weight:700}.count{position:absolute;top:-4px;right:-4px;background:var(--brand);color:white;font-size:10px;min-width:18px;height:18px;border-radius:50%;display:grid;place-items:center}.mobile-brand,.bottom-nav{display:none}.page{padding-top:36px;animation:arrive .25s ease}.page-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:26px}.page-title h1{margin-bottom:8px}.page-title p{margin:0;max-width:560px;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:48px;padding:12px 24px;background:var(--brand);border:1px solid transparent;color:white;border-radius:999px;font-size:14px;font-weight:650;text-align:center;text-decoration:none}.btn:hover{text-decoration:none;filter:brightness(.96)}.btn.secondary{background:var(--surface);color:var(--ink);border-color:var(--line)}.btn.quiet{background:none;color:var(--accent);padding-left:0;padding-right:0}.btn.small{min-height:38px;padding:8px 16px;font-size:12px}.btn.danger{background:var(--tint);color:var(--accent)}.full{width:100%}.actions{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.card{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:24px;box-shadow:var(--shadow)}.stack{display:grid;gap:18px}.two-col{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(290px,1fr);gap:28px}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:32px 0 16px}.section-heading h2{margin:0}.section-heading a{font-size:13px;font-weight:600}.section-heading:first-child{margin-top:0}.hero{position:relative;overflow:hidden;background:#e8e6d9;color:#292e26;min-height:290px;display:flex;align-items:center;padding:34px;border:0}.hero-copy{position:relative;z-index:1;max-width:55%}.hero h2{font-size:37px}.hero .eyebrow{color:#586047}.hero p{color:#62665b;font-size:14px}.city-art{position:absolute;right:0;bottom:0;width:50%;height:100%;overflow:hidden;background:radial-gradient(circle at 66% 29%,#db9b6d 0 32px,transparent 33px)}.city-art:before{content:'';position:absolute;bottom:0;left:0;width:100%;height:76%;background:#a0a891;clip-path:polygon(0 90%,6% 65%,19% 65%,22% 49%,31% 49%,34% 34%,42% 34%,48% 6%,54% 34%,63% 34%,65% 49%,74% 49%,77% 65%,91% 65%,100% 90%,100% 100%,0 100%)}.city-art:after{content:'';position:absolute;bottom:0;left:25%;width:67%;height:43%;background:repeating-linear-gradient(90deg,transparent 0 28px,#56664e 29px 42px,transparent 43px 56px),linear-gradient(#56664e,#56664e);clip-path:polygon(0 24%,12% 24%,12% 12%,42% 12%,49% 0,57% 12%,89% 12%,89% 24%,100% 24%,100% 100%,0 100%);opacity:.9}.trip-strip{display:flex;gap:20px;padding:18px 0 0;border-top:1px solid #c8cdbc;margin-top:22px;font-size:12px}.check-list{display:grid;gap:0}.check-row{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--line);font-size:14px;cursor:pointer}.check-row:last-child{border:0}.check-row input{accent-color:var(--brand);width:19px;height:19px}.check-row:has(:checked) span{text-decoration:line-through;color:var(--muted)}.badge{display:inline-flex;align-items:center;gap:6px;font-size:10px;letter-spacing:.06em;text-transform:uppercase;font-weight:700;border-radius:999px;padding:5px 10px;background:var(--soft);color:var(--muted)}.badge.green{background:var(--green-bg);color:var(--green)}.badge.warn{background:var(--amber-bg);color:var(--amber)}.badge.red{background:var(--tint);color:var(--accent)}.safety-card{border-color:var(--line)}.card-top{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:20px}.card-top>.i{color:var(--accent)}.safety-card h3{margin-bottom:10px}.safety-card p{color:var(--muted);font-size:14px}.assistant-card{background:var(--tint);border-color:transparent}.assistant-card>.i{color:var(--accent);margin-bottom:15px}.assistant-card p{font-size:13px;color:var(--muted)}.app-row{display:flex;align-items:center;gap:13px;padding:14px 0;border-bottom:1px solid var(--line)}.app-row:last-child{border:0}.app-icon{width:42px;height:42px;display:grid;place-items:center;background:var(--soft);color:var(--ink);border-radius:12px;font-weight:700;flex:none}.app-row>div:nth-child(2){flex:1}.app-row b{display:block;font-size:14px}.app-row small{display:block;font-size:12px}.app-row>a{font-size:11px;background:var(--soft);border-radius:99px;padding:6px 12px;font-weight:700;color:var(--ink)}.tile{display:flex;flex-direction:column;align-items:flex-start;text-align:left;width:100%;color:var(--ink)}.tile:hover{text-decoration:none;border-color:var(--brand)}.tile>.i{color:var(--accent);margin-bottom:22px}.tile p{color:var(--muted);font-size:13px;margin-bottom:0}.tool-hero{background:var(--brand);color:white;margin-bottom:24px}.tool-hero p{color:#ffe0e5;max-width:600px}.tool-hero .badge{background:#ffffff24;color:white}.tool-hero .btn{background:white;color:#c91539}.subpage{max-width:800px;margin:0 auto}.subpage.wide{max-width:none}.back{display:inline-flex;gap:8px;align-items:center;font-size:13px;color:var(--muted);margin-bottom:24px}.tabs{display:flex;gap:8px;overflow-x:auto;padding:3px 1px 13px;scrollbar-width:thin;margin-bottom:20px}.chip{white-space:nowrap;min-height:42px;padding:9px 17px;border:1px solid var(--line);border-radius:999px;background:var(--surface);font-size:13px;color:var(--muted)}.chip.selected{background:var(--brand);color:white;border-color:var(--brand)}.search{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:12px;padding:0 14px;background:var(--surface);margin-bottom:22px}.search input{border:0;background:none;min-width:0;width:100%;padding:14px 0;outline:none;color:var(--ink)}.search .i{color:var(--muted)}.phrase .zh{font-size:25px;line-height:1.55;letter-spacing:.03em;margin:10px 0;font-family:var(--serif)}.phrase .py{font-style:italic;font-size:13px;color:var(--muted)}.phrase .actions{justify-content:flex-end;border-top:1px solid var(--line);padding-top:14px;margin-top:16px}.phrase .actions button{font-size:12px;display:flex;align-items:center;gap:7px;min-height:40px;padding:6px}.phrase .actions .i{width:18px;height:18px}.note{font-size:12px;color:var(--muted);border-left:2px solid var(--line);padding:2px 0 2px 12px;margin:16px 0}.notice{padding:14px 18px;border-radius:12px;background:var(--amber-bg);color:var(--amber);font-size:13px;margin-bottom:22px}.success{background:var(--green-bg);color:var(--green)}.row{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;border-bottom:1px solid var(--line)}.row:last-child{border-bottom:0}.row .value{text-align:right;overflow-wrap:anywhere}.row span:first-child{color:var(--muted);font-size:13px}.row-link{display:flex;align-items:center;gap:12px;padding:18px 0;border-bottom:1px solid var(--line);color:var(--ink)}.row-link>span{flex:1}.row-link:hover{text-decoration:none;color:var(--accent)}.timer-panel{text-align:center;padding:35px 24px}.timer{font:700 clamp(50px,8vw,78px)/1.2 var(--serif);font-variant-numeric:tabular-nums;margin:16px 0}.timer-panel progress{height:6px;width:100%;accent-color:var(--brand);border:0;border-radius:9px;margin:12px 0 18px}.timer-panel progress::-webkit-progress-bar{background:var(--soft);border-radius:9px}.timer-panel progress::-webkit-progress-value{background:var(--brand);border-radius:9px}.timer-panel .actions{justify-content:center;margin-top:20px}.timeline{border-left:1px solid var(--line);margin-left:5px;padding-left:23px}.timeline>div{position:relative;margin-bottom:22px}.timeline>div:before{content:'';position:absolute;left:-29px;top:7px;width:10px;height:10px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--surface)}label.field{display:block;font-size:13px;font-weight:600;margin-bottom:18px}.field input,.field select,.field textarea{display:block;width:100%;background:var(--surface);border:1px solid var(--line);border-radius:10px;color:var(--ink);padding:12px 14px;margin-top:7px;min-height:47px}.field textarea{min-height:92px;resize:vertical}.field small{display:block;margin-top:6px;font-weight:400}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.form-grid .span2{grid-column:1/-1}.contact-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.contact-actions button{font-size:12px;min-height:38px;color:var(--accent)}.option{display:flex;gap:15px;align-items:flex-start;border:1px solid var(--line);border-radius:14px;background:var(--surface);padding:20px;cursor:pointer}.option:has(input:checked){border-color:var(--brand);background:var(--tint)}.option input{accent-color:var(--brand);margin-top:5px;width:18px;height:18px;flex:none}.option b{display:block}.option small{display:block;margin-top:5px}.option strong{display:block;color:var(--accent);font-size:13px;margin-top:10px}.product-art{position:relative;background:#e9e7dd;border-radius:13px;height:170px;display:grid;place-items:center;overflow:hidden;color:#5e6956;margin-bottom:18px}.product-art:before{content:'';position:absolute;width:160px;height:160px;border:1px solid #c7c9bb;border-radius:50%;transform:translate(70px,40px)}.product-art:after{content:'';position:absolute;width:210px;height:210px;border:1px solid #d0d0c4;border-radius:50%;transform:translate(70px,40px)}.product-art .i{width:74px;height:74px;stroke-width:1;z-index:1}.product-art.medical{background:#eadfdc;color:#8a5d56}.product-art.cycling{background:#dce5de;color:#567565}.product-art.drive{background:#dfe4e9;color:#5c7180}.product-art.bundle{background:#e8e1d1;color:#786b4b}.product-art.bundle .i{width:86px;height:86px}.product h3{font-size:21px}.product p{color:var(--muted);font-size:13px;min-height:40px}.product .price{font-family:var(--serif);font-size:23px;font-weight:700}.product-footer{display:flex;justify-content:space-between;align-items:center;gap:10px}.product a{color:var(--ink)}.product-card-link{display:block}.qty{display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:99px}.qty button{width:38px;height:38px;font-size:18px}.cart-row{display:grid;grid-template-columns:60px 1fr auto;gap:16px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.cart-row .product-art{height:60px;margin:0}.cart-row .product-art .i{width:30px;height:30px}.cart-row h4{font-size:17px}.cart-row .qty{margin-top:10px;width:max-content}.empty{padding:50px 24px;text-align:center}.empty>.i{width:44px;height:44px;color:var(--muted);margin-bottom:20px}.empty p{color:var(--muted)}.guide-art{background:#dedfcf;position:relative;height:180px;border-radius:12px;overflow:hidden;margin-bottom:20px}.guide-art .city-art{width:100%}.article{font-size:16px;line-height:1.85}.article h2{margin-top:30px}.article .lead{font-size:22px;font-family:var(--serif)}.profile-head{display:flex;gap:18px;align-items:center;margin-bottom:30px}.profile-head .monogram{width:64px;height:64px;font-size:25px}.switch{width:46px;height:28px;border-radius:99px;background:var(--line);padding:3px;display:flex;align-items:center;flex:none}.switch[aria-checked=true]{background:var(--brand);justify-content:flex-end}.switch:after{content:'';width:22px;height:22px;background:white;border-radius:50%}.welcome{max-width:970px;margin:0 auto;min-height:100vh;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:60px;padding:50px 25px}.welcome h1{font-size:65px;margin:30px 0 20px}.welcome .tagline{font:italic 24px/1.4 var(--serif);color:var(--muted);margin-bottom:35px}.welcome .hero{height:530px;border-radius:180px 180px 16px 16px;align-items:flex-start;padding-top:45px}.welcome .hero-copy{max-width:100%;text-align:center;width:100%}.welcome .city-art{width:100%;height:70%}.welcome-feature{display:flex;gap:14px;align-items:flex-start;margin-bottom:22px;font-size:14px}.welcome-feature .i{color:var(--accent)}.welcome .actions{margin-top:30px}.bubble{max-width:90%;border-radius:16px;background:var(--surface);border:1px solid var(--line);padding:18px;margin-bottom:18px;white-space:pre-wrap;overflow-wrap:anywhere}.bubble.user{margin-left:auto;background:var(--tint);border-color:transparent}.chat-form{display:flex;gap:10px;background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:7px 8px 7px 20px;margin-top:25px}.chat-form input{flex:1;min-width:0;background:none;border:0;color:var(--ink);outline:none}.chat-form .btn{min-height:42px;padding:10px 15px}dialog{background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:22px;padding:30px;width:min(560px,calc(100% - 28px));max-height:88vh;box-shadow:0 30px 100px #0003}dialog::backdrop{background:#1118;backdrop-filter:blur(5px)}.dialog-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:25px}.dialog-head h2{margin:0}.large-chinese{font-size:38px;line-height:1.6;padding:25px 0;overflow-wrap:anywhere}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(25px);background:var(--ink);color:var(--bg);padding:13px 24px;border-radius:99px;box-shadow:0 8px 35px #0002;z-index:50;opacity:0;pointer-events:none;transition:.2s;max-width:90%;font-size:13px}#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.skip-link{position:fixed;top:-100px;left:10px;z-index:100;background:var(--surface);padding:10px}.skip-link:focus{top:10px}.dev-controls{padding-top:15px;border-top:1px dashed var(--line);margin-top:20px}.dev-controls summary{font-size:12px;color:var(--muted);cursor:pointer}.dev-controls .actions{margin-top:12px}.offline-indicator{font-size:11px;color:var(--amber)}@keyframes arrive{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}@media(min-width:1600px){.main{margin-right:auto;margin-left:260px;padding-left:65px;padding-right:65px}}
@media(max-width:1100px){.sidebar{width:190px;padding:30px 18px}.sidebar .brand{font-size:19px}.main{margin-left:190px;padding:0 28px 50px}.two-col{gap:20px;grid-template-columns:minmax(0,1.25fr) minmax(260px,1fr)}h1{font-size:38px}.hero{padding:26px}.hero h2{font-size:31px}.grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:800px){.sidebar{display:none}.main{margin:0 auto;padding:0 20px 100px;max-width:640px}.topbar{height:78px}.crumb{display:none}.mobile-brand{display:flex}.top-actions{gap:8px}.top-actions .location{display:none}.topbar .brand{font-size:21px}.topbar .monogram{width:35px;height:35px;font-size:16px}.topbar .icon-btn{width:38px;height:38px}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;justify-content:space-around;border-top:1px solid var(--line);background:var(--surface);padding:9px 5px calc(8px + env(safe-area-inset-bottom));z-index:10}.bottom-nav .nav-link{display:flex;flex-direction:column;gap:4px;font-size:10px;padding:6px 10px;background:none;border-radius:10px;min-width:57px}.bottom-nav .nav-link.active{color:var(--accent)}.bottom-nav .i{width:21px;height:21px}.page{padding-top:28px}.two-col{grid-template-columns:1fr}.page-title{align-items:flex-start}h1{font-size:36px}.page-title p{font-size:14px}.section-heading h2{font-size:25px}.hero{min-height:255px;padding:26px}.hero h2{font-size:32px}.hero-copy{max-width:65%}.hero-copy p{font-size:13px}.trip-strip{gap:12px}.card{padding:20px}.grid{gap:12px}.grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}.product{padding:13px}.product-art{height:130px;margin-bottom:14px}.product h3{font-size:18px}.product .price{font-size:20px}.product .btn{padding:8px 11px}.product p{min-height:60px;font-size:12px}.form-grid{grid-template-columns:1fr}.form-grid .span2{grid-column:auto}.welcome{grid-template-columns:1fr;padding:45px 28px;max-width:520px}.welcome .hero{display:none}.welcome h1{font-size:54px}.welcome .monogram{width:70px;height:70px;font-size:28px}.welcome .actions .btn{width:100%}.welcome .actions{gap:10px}.timer-panel{padding:30px 15px}.timer{font-size:62px}#toast{bottom:95px}.cart-row{grid-template-columns:45px 1fr auto;gap:10px}.cart-row .product-art{height:45px}.chat-form{padding-left:15px}.page-title .btn.small{font-size:11px;padding:9px 12px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.sidebar .brand{font-size:21px;white-space:nowrap}.sidebar .monogram{width:36px;height:36px;font-size:16px}.grid:has(.phrase){align-items:start}.phrase{min-width:0;overflow-wrap:anywhere}.tabs{scrollbar-width:none}.tabs::-webkit-scrollbar{display:none}@media(max-width:800px){.grid:has(.phrase),.grid:has(.guide-art){grid-template-columns:1fr}.phrase .actions{justify-content:space-between;gap:4px}.phrase .zh{font-size:28px}.row{flex-wrap:wrap}.row .value{max-width:100%}.page-title:has(+.tabs) h1{font-size:34px}}

/* China brush identity: full wordmark at entry, symbol at navigation scale.
   UI red is deeper than the asset red to keep small white labels readable. */
.brand-icon{display:block;flex:none;width:42px;height:42px;object-fit:contain;border-radius:10px;background:var(--brand-red)}
.brand-logo{display:block;width:96px;height:96px;object-fit:contain;border-radius:22px;background:var(--brand-red)}
.sidebar .brand-icon{width:36px;height:36px;border-radius:9px}
@media(max-width:800px){.topbar .brand{font-size:clamp(17px,5vw,21px);gap:9px}.topbar .brand-icon{width:35px;height:35px;border-radius:9px}.welcome .brand-logo{width:96px;height:96px}}
@media(max-width:360px){.product-footer{flex-wrap:wrap}.product-footer .btn{max-width:100%}}