:root{color:#202327;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;--red:#ff2442;--red-dark:#d81532;--ink:#202327;--muted:#5d6670;--soft:#f6f7f5;--line:#e7e9e5;--green:#4d7c54;--green-soft:#e7f0e5;--paper:#fffdf9;background:#fff;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:#fff;min-width:320px;margin:0;overflow-x:hidden}button,a{font:inherit}button{cursor:pointer;border:0;min-height:44px}button:focus-visible,a:focus-visible{outline-offset:3px;outline:3px solid #ff24424d}.site-header{z-index:20;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ffffffe0;border-bottom:1px solid #20232714;justify-content:space-between;align-items:center;gap:24px;padding:14px clamp(18px,4vw,56px);display:flex;position:sticky;top:0}.brand{color:var(--ink);white-space:nowrap;font-size:17px;font-weight:800;text-decoration:none}nav{align-items:center;gap:clamp(14px,3vw,28px);display:flex}nav a{color:#33383f;font-size:14px;font-weight:650;text-decoration:none}.hero{border-bottom:1px solid var(--line);background-image:linear-gradient(90deg,#fffffffa 0%,#ffffffd1 46%,#ffffff2e 100%),url(/xiaohongshu-profile.jpg);background-position:50%,right 20% top 9%;background-repeat:no-repeat;background-size:cover,min(58vw,720px);grid-template-columns:minmax(0,1fr);align-items:center;min-height:78svh;padding:clamp(52px,8vw,96px) clamp(20px,6vw,72px);display:grid;position:relative;overflow:hidden}.hero:after{content:"";pointer-events:none;background:linear-gradient(#fff0,#fff);height:92px;position:absolute;inset:auto 0 0}.hero-content{z-index:1;width:min(680px,100%);min-width:0;position:relative}.eyebrow,.section-kicker{color:var(--red-dark);align-items:center;gap:8px;margin:0 0 18px;font-size:14px;font-weight:800;display:inline-flex}h1,h2,h3,p{margin-top:0}h1{color:#17191c;letter-spacing:0;margin-bottom:20px;font-size:clamp(48px,9vw,96px);line-height:1.02}h2{color:#1c2024;letter-spacing:0;margin-bottom:18px;font-size:clamp(30px,5vw,52px);line-height:1.14}h3{color:#202327;letter-spacing:0;margin-bottom:10px;font-size:20px;line-height:1.25}.hero-subtitle{color:#33383f;overflow-wrap:anywhere;width:min(620px,100%);max-width:100%;margin-bottom:28px;font-size:clamp(20px,3vw,30px);font-weight:650;line-height:1.5}.hero-actions,.contact-actions{flex-wrap:wrap;gap:12px;width:100%;display:flex}.hero-actions button,.contact-actions button{color:#fff;background:var(--red);white-space:normal;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-width:164px;max-width:100%;padding:13px 18px;font-weight:800;display:inline-flex;box-shadow:0 12px 28px #ff244238}.inline-id{white-space:nowrap}.hero-actions .secondary,.contact-actions .secondary{color:var(--ink);box-shadow:none;background:#fff;border:1px solid #20232724}.proof-strip{background:var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;display:grid}.proof-item{color:#293039;text-align:center;background:#fff;justify-content:center;align-items:center;gap:10px;min-height:76px;padding:18px;font-size:15px;font-weight:750;display:flex}.proof-item svg{color:var(--green);flex:none}.section{padding:clamp(64px,10vw,116px) clamp(20px,6vw,72px)}.section-inner{width:min(1120px,100%);margin:0 auto}.two-column,.contact-layout,.fit-layout{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);align-items:start;gap:clamp(32px,7vw,84px);display:grid}.about-copy{color:var(--muted);font-size:clamp(18px,2.2vw,22px);line-height:1.78}.about-copy p:last-child,.contact-copy p:last-of-type{margin-bottom:0}.section-support{background:var(--soft)}.section-heading{width:min(720px,100%);margin-bottom:30px}.support-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;display:grid}.support-card{border:1px solid var(--line);background:#fff;border-radius:8px;min-height:248px;padding:22px}.card-icon{width:42px;height:42px;color:var(--red-dark);background:#ff244214;border-radius:8px;justify-content:center;align-items:center;margin-bottom:28px;display:inline-flex}.support-card p{color:var(--muted);margin:0;font-size:15px;line-height:1.7}.section-fit{background:var(--green-soft)}.fit-text h2{max-width:620px}.fit-list{gap:12px;display:grid}.fit-list span{color:#243126;background:#ffffffad;border:1px solid #4d7c5438;border-radius:8px;align-items:center;gap:10px;min-height:58px;padding:16px 18px;font-weight:750;display:flex}.fit-list svg{color:var(--green)}.section-contact{background:var(--paper)}.contact-layout{align-items:center}.contact-copy p{width:min(620px,100%);color:var(--muted);font-size:18px;line-height:1.75}.contact-actions{margin:28px 0 24px}.contact-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:0;display:grid}.contact-list div{border:1px solid var(--line);background:#fff;border-radius:8px;padding:16px}.contact-list dt{color:var(--muted);margin-bottom:6px;font-size:13px;font-weight:750}.contact-list dd{color:var(--ink);white-space:nowrap;margin:0;font-size:clamp(18px,2.4vw,22px);font-weight:850}.profile-proof{grid-template-columns:minmax(0,1fr) minmax(180px,.72fr);align-items:stretch;gap:16px;display:grid}.phone-preview,.qr-panel{border:1px solid var(--line);background:#fff;border-radius:8px;overflow:hidden}.phone-preview{aspect-ratio:.73}.phone-preview img{object-fit:cover;width:100%;height:100%;display:block}.qr-panel{align-content:center;justify-items:center;padding:18px;display:grid}.qr-crop{aspect-ratio:1;background:#fff;border:1px solid #e0e2dd;border-radius:8px;width:min(220px,100%);margin-bottom:16px;overflow:hidden}.qr-crop img{object-fit:contain;width:100%;height:100%;display:block}.qr-panel p{color:#323840;text-align:center;white-space:nowrap;justify-content:center;align-items:center;gap:8px;margin:0;font-size:14px;font-weight:750;display:flex}.qr-panel svg{color:var(--red-dark)}@media (width<=960px){.hero{background-position:50%,right -90px top 0;background-size:cover,560px}.support-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.two-column,.contact-layout,.fit-layout{grid-template-columns:1fr}.profile-proof{grid-template-columns:minmax(0,1fr) minmax(190px,.74fr)}}@media (width<=720px){.site-header{flex-direction:column;align-items:flex-start;gap:10px}nav{display:none}.hero{background-image:linear-gradient(#ffffffc7 0%,#ffffffeb 42%,#fff 76%),url(/xiaohongshu-profile.jpg);background-position:50%,50% -92px;background-size:cover,min(620px,160vw);align-items:start;min-height:auto;padding:72px 24px 50px}.hero-actions,.contact-actions{flex-direction:column}.hero-actions button,.contact-actions button{width:100%;min-width:0}.proof-strip,.support-grid,.contact-list,.profile-proof{grid-template-columns:1fr}.proof-item{text-align:left;justify-content:flex-start;min-height:64px}.support-card{min-height:0}.phone-preview{max-height:580px}.qr-panel{min-height:300px}}@media (width<=430px){.section,.site-header{padding-inline:16px}h1{font-size:48px}.hero-content{width:100%;max-width:100%}.hero-actions{max-width:100%}.hero-subtitle{font-size:19px}.qr-crop{width:214px}}