:root{--ink: #1e2a1f;--mute: #5c6b5e;--paper: #ffffff;--field: #eef3e6;--line: #d7dfd0;--leaf: #2f6b3a;--leaf-deep: #1f4a28;--mango: #f2a93b;--mango-tint: #fbe9c6;--display: "Fraunces", "Noto Serif SC", "Songti SC", "SimSun", serif;--body: "Manrope", -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;--measure: 60ch;--gutter: clamp(16px, 4vw, 40px);--wide: 1120px;color-scheme:light}*,*:before,*:after{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.6;font-feature-settings:"ss01","cv11"}:lang(zh-CN) body,body:lang(zh-CN){line-height:1.75}h1,h2,h3{font-family:var(--display);font-variation-settings:"SOFT" 60,"opsz" 96;font-weight:600;line-height:1.12;letter-spacing:-.01em;margin:0;text-wrap:balance}h1{font-size:clamp(2.3rem,5.2vw,3.8rem);white-space:pre-line}h2{font-size:clamp(1.7rem,3.2vw,2.4rem)}h3{font-size:1.25rem;font-variation-settings:"SOFT" 40,"opsz" 24}p{margin:0}a{color:var(--leaf-deep);text-decoration-thickness:1px;text-underline-offset:3px}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--mango);outline-offset:3px}.lead{font-size:1.15rem;max-width:var(--measure);color:var(--ink)}.btn{display:inline-flex;align-items:center;gap:10px;background:var(--leaf);color:#fff;border:2px solid var(--leaf);border-radius:999px;padding:14px 24px;font-weight:600;font-size:1.02rem;text-decoration:none;transition:background .15s ease,border-color .15s ease}.btn:hover{background:var(--leaf-deep);border-color:var(--leaf-deep)}.btn-small{padding:9px 16px;font-size:.95rem}.btn-outline{background:transparent;color:var(--leaf-deep)}.btn-outline:hover{background:var(--field);border-color:var(--leaf)}.link{font-weight:600}.top{max-width:var(--wide);margin:0 auto;padding:20px var(--gutter);display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{display:inline-flex;align-items:baseline;gap:10px;text-decoration:none;color:var(--ink)}.mark{width:34px;height:34px;align-self:center}.brand-zh{font-family:var(--display);font-weight:700;font-size:1.5rem}.brand-en{font-weight:600;color:var(--mute)}.nav{display:flex;align-items:center;gap:22px;font-weight:600}.nav a{text-decoration:none;color:var(--ink)}.nav a:hover{text-decoration:underline}.nav .btn{color:#fff}main>section{max-width:var(--wide);margin:0 auto;padding:72px var(--gutter)}.hero{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(32px,6vw,80px);align-items:center;padding-top:40px}.hero-text{display:flex;flex-direction:column;gap:24px}.hero-text h1{max-width:14ch}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:20px}.chat{margin:0;background:var(--field);border-radius:24px;padding:24px 20px}.chat ol{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}.bubble{max-width:88%;padding:12px 16px 13px;border-radius:18px;background:var(--paper);box-shadow:0 1px #1e2a1f0f;font-size:.98rem;line-height:1.5}.bubble.yojia{align-self:flex-start;border-bottom-left-radius:6px}.bubble.you{align-self:flex-end;background:var(--mango-tint);border-bottom-right-radius:6px}.bubble .who{display:block;font-size:.78rem;font-weight:700;color:var(--mute);margin-bottom:2px}.bubble.yojia .who{color:var(--leaf)}@media (prefers-reduced-motion: no-preference){.bubble{opacity:0;transform:translateY(8px);animation:arrive .45s ease forwards;animation-delay:calc(.35s + var(--i) * .75s)}@keyframes arrive{to{opacity:1;transform:none}}}.basket{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(32px,6vw,80px);align-items:start;border-top:1px solid var(--line)}.basket-head{display:flex;flex-direction:column;gap:14px}.basket-head p{color:var(--mute);max-width:38ch}.list{width:100%;border-collapse:collapse;font-size:1.05rem}.list td{padding:14px 0;border-bottom:1px solid var(--line);vertical-align:baseline}.list .name{font-family:var(--display);font-variation-settings:"SOFT" 40,"opsz" 24;font-weight:500;font-size:1.2rem}.list .qty{color:var(--mute);padding-left:16px;white-space:nowrap}.list .price{text-align:right;font-variant-numeric:tabular-nums;font-weight:600;padding-left:16px;white-space:nowrap}.collect{grid-column:2;color:var(--mute);margin-top:-8px}.how{border-top:1px solid var(--line)}.how h2,.trust h2,.faq h2{margin-bottom:36px}.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px}.steps li{display:flex;flex-direction:column;gap:10px}.steps .num{font-family:var(--display);font-variation-settings:"SOFT" 100,"opsz" 144;font-weight:400;font-size:3rem;line-height:1;color:var(--mango)}.steps p{color:var(--mute);max-width:34ch}.trust{background:var(--field);max-width:none}.trust>*{max-width:calc(var(--wide) - 2 * var(--gutter));margin-left:auto;margin-right:auto}.promises{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 48px;margin:0 auto}.promises div{border-left:3px solid var(--leaf);padding-left:18px}.promises dt{font-family:var(--display);font-variation-settings:"SOFT" 40,"opsz" 24;font-weight:600;font-size:1.3rem;margin-bottom:6px}.promises dd{margin:0;color:var(--ink);max-width:44ch}.partner{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:clamp(32px,6vw,80px);align-items:center;border-top:1px solid var(--line)}.partner-text{display:flex;flex-direction:column;gap:20px}.partner-text ul{margin:0;padding-left:1.2em;display:flex;flex-direction:column;gap:10px;max-width:var(--measure)}.partner-text .btn{align-self:flex-start}.rate{display:flex;flex-direction:column;gap:18px}.rate-row{display:grid;grid-template-columns:9em minmax(0,1fr);align-items:center;gap:12px}.rate-label{color:var(--mute);font-weight:600}.rate-bar{display:block;position:relative;height:40px}.rate-bar:before{content:"";position:absolute;inset:0 auto 0 0;width:var(--w);background:var(--line);border-radius:8px}.rate-bar b{position:absolute;left:calc(var(--w) + 10px);top:50%;transform:translateY(-50%);font-family:var(--display);font-variation-settings:"SOFT" 40,"opsz" 24;font-weight:600;font-size:1.2rem}.rate-row.is-us .rate-label{color:var(--ink)}.rate-row.is-us .rate-bar:before{background:var(--mango)}.rate-note{color:var(--mute);font-size:.92rem}.slip{background:var(--field);border-radius:20px;padding:20px 22px;font-size:.98rem;max-width:380px;justify-self:end;width:100%}.slip-head,.slip li{display:flex;justify-content:space-between;gap:16px}.slip-head{font-family:var(--display);font-variation-settings:"SOFT" 40,"opsz" 24;font-weight:600;font-size:1.15rem;padding-bottom:12px;border-bottom:1px solid var(--line)}.slip ul{list-style:none;margin:0;padding:0}.slip li{padding:10px 0;border-bottom:1px dashed var(--line)}.slip li span:first-child{font-variant-numeric:tabular-nums;color:var(--mute)}.slip li.more{color:var(--mute);border-bottom:0}.slip-foot{padding-top:10px;font-weight:600;color:var(--leaf-deep)}.faq{border-top:1px solid var(--line)}.qa{max-width:68ch}.qa details{border-bottom:1px solid var(--line)}.qa summary{cursor:pointer;padding:16px 0;font-family:var(--display);font-variation-settings:"SOFT" 40,"opsz" 24;font-weight:600;font-size:1.2rem;list-style:none;display:flex;justify-content:space-between;gap:16px}.qa summary::-webkit-details-marker{display:none}.qa summary:after{content:"+";color:var(--leaf);font-weight:400}.qa details[open] summary:after{content:"–"}.qa details p{padding:0 0 18px;color:var(--mute);max-width:60ch}.close{display:flex;flex-direction:column;align-items:flex-start;gap:28px;border-top:1px solid var(--line);padding-bottom:96px}.close h2{max-width:18ch;white-space:pre-line}.foot{max-width:var(--wide);margin:0 auto;padding:24px var(--gutter) 40px;display:flex;flex-wrap:wrap;gap:8px 28px;color:var(--mute);font-size:.95rem;border-top:1px solid var(--line)}@media (max-width: 880px){.hero,.basket,.partner{grid-template-columns:1fr}.collect{grid-column:1}.steps{grid-template-columns:1fr;gap:28px}.promises{grid-template-columns:1fr}.slip{justify-self:start}main>section{padding-top:56px;padding-bottom:56px}}@media (max-width: 720px){.nav a:not(.btn):not([lang]){display:none}.nav{gap:14px}.hero{padding-top:16px}.rate-row{grid-template-columns:7em minmax(0,1fr)}}