:root{color-scheme:light;--cream:#f7f4ee;--cream-2:#efeae0;--paper:#fff;--paper-2:#fbf9f5;--navy:#1b3252;--navy-deep:#142639;--navy-2:#24405f;--navy-line:#e9eef529;--on-navy:#f4f1ea;--on-navy-2:#afbccc;--on-navy-3:#7a8899;--orange:#de7420;--orange-ink:#b85b12;--orange-soft:#fbede0;--orange-line:#f0c79c;--ink:#1a1a18;--ink-2:#55524b;--ink-3:#8a857b;--line:#e2dcd0;--line-2:#cfc7b7;--good:#2f6b3c;--good-bg:#e6efe6;--sans:"Noto Sans SC", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, sans-serif;--mono:"IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;--radius:4px;--radius-lg:6px;--shell:1200px;--wide:1360px;--measure:62ch}*,:before,:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}body{background:var(--cream);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizelegibility;margin:0;font-size:16.5px;line-height:1.85}:lang(zh){font-synthesis-style:none}em,i{color:inherit;font-style:normal;font-weight:700}strong,b{color:inherit;font-weight:700}h1,h2,h3,h4{text-wrap:balance;margin:0;font-weight:900}h1{letter-spacing:-.035em;font-size:clamp(34px,5.2vw,62px);line-height:1.14}h2{letter-spacing:-.028em;font-size:clamp(25px,3.1vw,40px);line-height:1.24}h3{letter-spacing:-.012em;font-size:clamp(17px,1.6vw,20px);font-weight:700;line-height:1.5}h4{font-size:16px;font-weight:700;line-height:1.5}.pg{display:inline-block}p{max-width:var(--measure);margin:0 0 18px}p:last-child{margin-bottom:0}a{color:var(--orange-ink);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{color:var(--ink)}:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:2px}img,svg,video{max-width:100%;height:auto;display:block}svg[viewBox="0 0 24 24"]{fill:none;stroke:currentColor;stroke-width:1.5px;stroke-linecap:square}.mono{font-family:var(--mono)}.num{font-variant-numeric:tabular-nums}.sr{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 28px}.shell.wide{max-width:var(--wide)}@media (width<=720px){.shell{padding:0 20px}}main{display:block}.sec{padding:clamp(64px,7.5vw,112px) 0}.sec.tight{padding-top:0}.sec.alt{background:var(--paper-2)}.band{background:var(--navy);color:var(--on-navy);isolation:isolate;position:relative}.band:before{content:"";z-index:-1;background-image:repeating-linear-gradient(to right, var(--navy-line) 0 1px, transparent 1px 52px), repeating-linear-gradient(to bottom, var(--navy-line) 0 1px, transparent 1px 52px);position:absolute;inset:0;mask-image:linear-gradient(#000000bf,#0000001f)}.band h1,.band h2,.band h3,.band h4{color:var(--on-navy)}.band p{color:var(--on-navy-2)}.band a{color:var(--orange)}.band a:hover{color:var(--on-navy)}.head{text-align:center;margin-bottom:clamp(36px,4vw,60px)}.head h2{max-width:22ch;margin:0 auto}.head .rule{background:var(--orange);border-radius:2px;width:46px;height:3px;margin:18px auto 0;display:block}.head .sub{max-width:52ch;color:var(--ink-2);margin:20px auto 0;font-size:clamp(15.5px,1.4vw,17.5px);line-height:1.8}.band .head .sub{color:var(--on-navy-2)}.head.left{text-align:left}.head.left h2{margin:0}.head.left .rule{margin:16px 0 0}.head.left .sub{margin:18px 0 0}.eyebrow{font-family:var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--orange-ink);margin-bottom:16px;font-size:12px;font-weight:600;display:block}.band .eyebrow{color:var(--orange)}.btn{border-radius:var(--radius);font-family:var(--sans);cursor:pointer;border:1.5px solid #0000;justify-content:center;align-items:center;gap:9px;padding:15px 30px;font-size:16px;font-weight:700;line-height:1.4;text-decoration:none;transition:background-color .15s,color .15s,border-color .15s;display:inline-flex}.btn.primary{background:var(--orange);border-color:var(--orange);color:#fff}.btn.primary:hover{background:var(--orange-ink);border-color:var(--orange-ink);color:#fff}.btn.navy{background:var(--navy);border-color:var(--navy);color:var(--on-navy)}.btn.navy:hover{background:var(--navy-deep);border-color:var(--navy-deep);color:#fff}.btn.ghost{border-color:var(--line-2);color:var(--ink);background:var(--paper)}.btn.ghost:hover{border-color:var(--navy);color:var(--navy)}.band .btn.ghost{border-color:var(--on-navy-3);color:var(--on-navy);background:0 0}.band .btn.ghost:hover{border-color:var(--on-navy);background:#ffffff0f}.btn.big{padding:18px 40px;font-size:17px}.btn-row{flex-wrap:wrap;gap:14px;display:flex}.btn-row.center{justify-content:center}.grid{gap:22px;display:grid}.grid.c2{grid-template-columns:repeat(2,1fr)}.grid.c3{grid-template-columns:repeat(3,1fr)}.grid.c4{grid-template-columns:repeat(4,1fr)}@media (width<=980px){.grid.c3,.grid.c4{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.grid.c2,.grid.c3,.grid.c4{grid-template-columns:1fr}}.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius-lg);flex-direction:column;min-width:0;display:flex;overflow:hidden}.card-body{flex-direction:column;flex:1;gap:10px;padding:26px 28px 28px;display:flex}.card-body h3{margin:0}.card-body p{color:var(--ink-2);max-width:none;margin:0;font-size:15.5px;line-height:1.75}a.card{color:inherit;text-decoration:none;transition:border-color .15s,box-shadow .15s}a.card:hover{border-color:var(--line-2);box-shadow:0 6px 24px #1b325214}.card .go{font-family:var(--mono);color:var(--orange-ink);margin-top:auto;padding-top:16px;font-size:12.5px;font-weight:600}.card-tag{border-bottom:1px solid var(--line);background:var(--paper-2);align-items:center;gap:12px;padding:16px 28px;display:flex}.card-tag .ic{background:var(--navy);border-radius:3px;flex:none;place-items:center;width:34px;height:34px;display:grid}.card-tag .ic svg{fill:none;width:18px;height:18px;stroke:var(--on-navy);stroke-width:1.7px;stroke-linecap:square}.card-tag strong{letter-spacing:-.01em;font-size:17px;font-weight:700}.card .no{background:var(--navy);color:#fff;width:30px;height:30px;font-family:var(--mono);border-radius:50%;place-items:center;font-size:13px;font-weight:600;display:grid;position:absolute;top:-14px;left:26px}.card.numbered{margin-top:14px;position:relative;overflow:visible}.deliver{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper);grid-template-columns:repeat(6,1fr);gap:0;display:grid;overflow:hidden}@media (width<=1080px){.deliver{grid-template-columns:repeat(3,1fr)}}@media (width<=620px){.deliver{grid-template-columns:repeat(2,1fr)}}.dl-item{border-right:1px solid var(--line);text-align:center;flex-direction:column;align-items:center;gap:12px;padding:32px 22px 30px;display:flex}.dl-item:last-child{border-right:0}@media (width<=1080px){.dl-item:nth-child(3n){border-right:0}.dl-item:nth-child(-n+3){border-bottom:1px solid var(--line)}}@media (width<=620px){.dl-item:nth-child(3n){border-right:1px solid var(--line)}.dl-item:nth-child(2n){border-right:0}.dl-item:nth-child(-n+4){border-bottom:1px solid var(--line)}}.dl-item .ic{place-items:center;width:40px;height:40px;display:grid}.dl-item .ic svg{fill:none;width:34px;height:34px;stroke:var(--navy);stroke-width:1.5px;stroke-linecap:square}.dl-item strong{letter-spacing:-.01em;font-size:15.5px;font-weight:700}.dl-item span{color:var(--ink-2);font-size:13.5px;line-height:1.7}.price-box{border-radius:var(--radius-lg);border:1px solid var(--line);grid-template-columns:minmax(280px,.85fr) 1.15fr;display:grid;overflow:hidden}@media (width<=900px){.price-box{grid-template-columns:1fr}}.price-left{background:var(--navy);color:var(--on-navy);text-align:center;flex-direction:column;justify-content:center;padding:clamp(40px,5vw,64px) clamp(28px,3.4vw,48px);display:flex}.price-left .amt{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:-.045em;color:var(--orange);font-size:clamp(52px,6.4vw,88px);font-weight:600;line-height:1}.price-left .scope{color:var(--on-navy-2);margin-top:14px;font-size:17px}.price-left .fine2{border-top:1px solid var(--on-navy-3);font-family:var(--mono);color:var(--on-navy-3);margin-top:20px;padding-top:18px;font-size:12px;line-height:1.8}.price-right{background:var(--paper);padding:clamp(32px,3.6vw,48px)}.price-right ul{gap:13px;margin:0;padding:0;list-style:none;display:grid}.price-right li{color:var(--ink-2);grid-template-columns:22px 1fr;gap:13px;font-size:16px;line-height:1.7;display:grid}.price-right li:before{content:"";background:var(--orange);border-radius:50%;width:17px;height:17px;margin-top:6px;-webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 100 20 10 10 0 000-20zm4.3 7.4l-5 6a1 1 0 01-1.5.06L7.4 13a1 1 0 011.4-1.4l1.7 1.7 4.3-5.2a1 1 0 111.5 1.3z'/%3E%3C/svg%3E") 50%/contain no-repeat;mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 100 20 10 10 0 000-20zm4.3 7.4l-5 6a1 1 0 01-1.5.06L7.4 13a1 1 0 011.4-1.4l1.7 1.7 4.3-5.2a1 1 0 111.5 1.3z'/%3E%3C/svg%3E") 50%/contain no-repeat}.price-note{color:var(--ink-2);max-width:none;margin-top:20px;font-size:14.5px;line-height:1.8}.price-note b{color:var(--ink)}.check2{grid-template-columns:1fr 1fr;gap:13px 40px;display:grid}@media (width<=760px){.check2{grid-template-columns:1fr}}.steps3{grid-template-columns:repeat(3,1fr);gap:clamp(24px,3vw,48px);display:grid}@media (width<=820px){.steps3{grid-template-columns:1fr;gap:28px}}.st{align-items:flex-start;gap:18px;display:flex}.st .disc{background:var(--navy);border-radius:50%;flex:none;place-items:center;width:56px;height:56px;display:grid;position:relative}.st .disc svg{fill:none;width:26px;height:26px;stroke:var(--on-navy);stroke-width:1.6px;stroke-linecap:square}.st .disc .n{background:var(--orange);color:#fff;width:24px;height:24px;font-family:var(--mono);border-radius:50%;place-items:center;font-size:12px;font-weight:600;display:grid;position:absolute;top:-6px;right:-6px}.st strong{margin-bottom:6px;font-size:17.5px;font-weight:700;display:block}.st p{color:var(--ink-2);max-width:none;margin:0;font-size:15px;line-height:1.75}.own-banner{background:var(--cream-2);border:1px solid var(--line);border-radius:var(--radius-lg);align-items:center;gap:clamp(20px,3vw,40px);padding:clamp(28px,3.4vw,44px);display:flex}.own-banner .shield{flex:none;width:62px;height:62px}.own-banner .shield svg{fill:none;width:100%;height:100%;stroke:var(--navy);stroke-width:1.4px}.own-banner h3{letter-spacing:-.02em;margin-bottom:8px;font-size:clamp(19px,2vw,25px);font-weight:900}.own-banner p{color:var(--ink-2);max-width:none;margin:0;font-size:16px;line-height:1.75}@media (width<=680px){.own-banner{flex-direction:column;align-items:flex-start;gap:18px}}.bullets{grid-template-columns:1fr 1fr;gap:12px 44px;margin:0;padding:0;list-style:none;display:grid}@media (width<=820px){.bullets{grid-template-columns:1fr}}.bullets li{color:var(--ink-2);grid-template-columns:16px 1fr;gap:12px;font-size:16px;line-height:1.75;display:grid}.bullets li:before{content:"";background:var(--orange);border-radius:50%;width:7px;height:7px;margin-top:12px}.exclude-line{color:var(--ink-2);max-width:none;font-size:15px;line-height:1.85}.exclude-line b{color:var(--ink)}.facts{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--paper);overflow:hidden}.fact-row{border-bottom:1px solid var(--line);grid-template-columns:260px 1fr;display:grid}.fact-row:last-child{border-bottom:0}.fact-row>dt{background:var(--paper-2);border-right:1px solid var(--line);color:var(--ink-2);padding:18px 26px;font-size:15px;font-weight:700}.fact-row>dd{min-width:0;margin:0;padding:18px 26px;font-size:16.5px}.fact-row>dd .sub{color:var(--ink-3);margin-top:4px;font-size:14px;display:block}@media (width<=680px){.fact-row{grid-template-columns:1fr}.fact-row>dt{border-right:0;border-bottom:1px solid var(--line);padding:13px 20px}.fact-row>dd{padding:15px 20px}}.hdr{background:var(--navy);z-index:60;position:sticky;top:0}.hdr-in{align-items:center;gap:26px;height:76px;display:flex}.brand{flex:none;align-items:baseline;gap:10px;text-decoration:none;display:flex}.brand .bm{letter-spacing:-.025em;color:var(--on-navy);font-size:22px;font-weight:900}.brand .bz{color:var(--on-navy-3);font-size:14px;font-weight:500}.nav{align-items:center;gap:4px;margin-left:auto;display:flex}.nav a{color:var(--on-navy-2);border-radius:3px;padding:9px 14px;font-size:15.5px;font-weight:500;text-decoration:none}.nav a:hover,.nav a[aria-current=page]{color:var(--on-navy);background:#ffffff12}.nav .btn{margin-left:12px;padding:11px 22px;font-size:15px}.navtoggle{display:none}@media (width<=1040px){.nav{display:none}.navtoggle{border:1.5px solid var(--on-navy-3);color:var(--on-navy);cursor:pointer;background:0 0;border-radius:3px;align-items:center;margin-left:auto;padding:9px 16px;font-size:14px;font-weight:600;display:inline-flex}.hdr.open .nav{background:var(--navy-deep);flex-direction:column;align-items:stretch;gap:0;margin:0;padding:8px 20px 20px;display:flex;position:absolute;top:76px;left:0;right:0}.hdr.open .nav a{border-bottom:1px solid var(--navy-2);border-radius:0;padding:14px 4px}.hdr.open .nav .btn{border-bottom:0;justify-content:center;margin:16px 0 0}}.ftr{background:var(--navy-deep);color:var(--on-navy-2)}.ftr-in{padding:clamp(56px,6vw,84px) 0 32px}.ftr-grid{grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;display:grid}@media (width<=980px){.ftr-grid{grid-template-columns:1fr 1fr;gap:34px}}@media (width<=560px){.ftr-grid{grid-template-columns:1fr}}.ftr .bm{color:var(--on-navy);letter-spacing:-.025em;font-size:21px;font-weight:900}.ftr .tag{color:var(--on-navy-2);max-width:34ch;margin-top:12px;font-size:15px;line-height:1.8}.ftr h4{color:var(--on-navy);margin-bottom:16px;font-size:15px;font-weight:700}.ftr ul{gap:10px;margin:0;padding:0;list-style:none;display:grid}.ftr a{color:var(--on-navy-2);font-size:15px;text-decoration:none}.ftr a:hover{color:var(--on-navy);text-underline-offset:3px;text-decoration:underline}.ftr .ent{font-size:14.5px;line-height:1.95}.ftr-base{color:var(--on-navy-3);border-top:1px solid #ffffff1f;flex-wrap:wrap;gap:8px 26px;margin-top:44px;padding-top:22px;font-size:13px;display:flex}.crumb{color:var(--ink-3);flex-wrap:wrap;gap:8px;padding-top:24px;font-size:13.5px;display:flex}.crumb a{color:var(--ink-3);text-decoration:none}.crumb a:hover{color:var(--ink)}.form{gap:18px;display:grid}.field{gap:7px;display:grid}.field label{color:var(--ink-2);font-size:14.5px;font-weight:700}.field .hint{color:var(--ink-3);font-size:13px}.field input,.field select,.field textarea{width:100%;font-family:var(--sans);color:var(--ink);background:var(--paper);border:1.5px solid var(--line-2);border-radius:var(--radius);padding:13px 15px;font-size:16px;line-height:1.5}.field textarea{resize:vertical;min-height:140px}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--orange);outline:none}.field-2{grid-template-columns:1fr 1fr;gap:18px;display:grid}@media (width<=640px){.field-2{grid-template-columns:1fr}}.fine{color:var(--ink-3);max-width:74ch;font-size:13.5px;line-height:1.85}