:root{--accent:#00a5dd;--accent-d:#0387b8;--pink:#ff8fc0;--pink-d:#ff5fa2;--pink-hov:#e64890;--ink:#333;--mut:#505050;--line:#e6e6ef;--bg:#fff;--tint:linear-gradient(90deg,#fff0f7,#f5eefc,#e9f7fd);--tint2:linear-gradient(90deg,#fff0f7,#f5eefc,#e9f7fd);--grad:linear-gradient(90deg,#ff5fa2 0%,#b06ce8 50%,#00b3f0 100%)}.gradtext,.h2n span{background-image:var(--grad);background-clip:text;-webkit-background-clip:text;color:transparent;-webkit-text-fill-color:transparent}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Noto Sans SC,PingFang SC,Microsoft YaHei,Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6;overflow-x:hidden;overflow-x:clip}html{overflow-x:hidden;overflow-x:clip}a{color:var(--accent);text-decoration:none}.wrap{max-width:720px;margin:0 auto;padding:20px 16px 64px}header.site{max-width:1120px;margin:0 auto 10px;padding:14px 24px 0;display:flex;align-items:center;justify-content:space-between;gap:20px}header.site nav{margin-left:auto}header.site .brand{font-family:Gill Sans Ultra Bold,Gill Sans Nova Ultra Bold,Gill Sans Nova,Gill Sans MT Ultra Bold,Franklin Gothic Heavy,Arial Black,sans-serif;font-weight:800;letter-spacing:.01em;white-space:nowrap;line-height:1.05;font-size:1.725rem;background-image:var(--grad);background-clip:text;-webkit-background-clip:text;color:transparent;-webkit-text-fill-color:transparent}@media(max-width:820px){header.site .brand{font-size:1.375rem}}header.site .nav-list{display:flex;align-items:center;gap:20px;list-style:none}header.site .nav-item{position:relative;list-style:none}header.site .nav-link,header.site .nav-trigger{display:flex;align-items:center;gap:7px;color:var(--mut);background:none;border:0;border-radius:8px;padding:8px 0;font:inherit;font-size:.975rem;font-weight:700;line-height:1.6;white-space:nowrap;cursor:pointer}header.site .nav-trigger:after{content:"";width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid 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.nav-cta:hover{background:var(--pink-hov)}header.site .nav-item.has-children.is-open>.nav-submenu{display:block}header.site .nav-submenu{position:static;min-width:0;max-width:none;margin:0 0 6px 12px;padding:4px;border-radius:10px;box-shadow:none;background:#faf7fd}header.site .nav-submenu a{padding:10px 14px;font-size:.95rem;white-space:normal}header.site .nav-submenu a:hover{background:#fff}}footer.site{margin:40px 0 0;padding:0;background:var(--tint);color:var(--mut);font-size:.85rem;text-align:left}footer.site .f-in{max-width:1120px;margin:0 auto;padding:36px 24px 8px;display:grid;grid-template-columns:repeat(4,1fr);gap:26px 32px}footer.site h3{font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);font-weight:800;margin:0 0 10px}footer.site ul{list-style:none;margin:0;padding:0}footer.site li{margin:0 0 7px;line-height:1.5}footer.site a{color:var(--mut)}footer.site a:hover{color:var(--accent);text-decoration:underline}footer.site 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var(--line);border-radius:16px;padding:28px 22px;box-shadow:0 8px 26px #1428460f}.han{font-size:64px;line-height:1.1;text-align:center;color:var(--ink)}.py{text-align:center;color:var(--accent);font-weight:700;font-size:1.25rem;margin-top:6px}.en{text-align:center;color:var(--mut);margin-top:2px}.listen{display:block;margin:16px auto 0;background:var(--accent);color:#fff;border:none;cursor:pointer;font:inherit;font-weight:700;padding:10px 20px;border-radius:999px}.listen:hover{background:var(--accent-d)}.listen svg{width:1em;height:1em;fill:currentColor;vertical-align:-.12em;margin-right:6px}.meaning{margin-top:20px;color:#334155}.overview{margin-top:18px;color:#334155;font-size:1.02rem}.sec{margin-top:22px}.sec>h2{font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--accent-d);margin-bottom:8px;font-weight:800;border-left:4px solid var(--pink-d);padding-left:8px}.sec p{color:#334155}.reg{background:#f0f9ff;border:1px solid #dbeafe;border-radius:10px;padding:12px 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.expy{color:var(--accent);font-size:.9rem}.ex .een{color:var(--mut);font-size:.9rem}.rel{margin-top:22px}.rel a{display:inline-block;background:#e0f2fe;border-radius:999px;padding:5px 14px;margin:0 6px 6px 0;font-size:.85rem}.byline{margin-top:18px;color:#94a3b8;font-size:.78rem;text-align:center}.li-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line)}.li-row:last-child{border-bottom:none}.li-num{flex:0 0 26px;color:#cbd5e1;font-weight:700;font-size:.8rem;text-align:right}.li-zh{font-size:1.3rem;color:var(--ink);min-width:96px}.li-py{color:var(--accent);font-size:.88rem;min-width:110px}.li-en{color:var(--mut);font-size:.88rem;margin-left:auto;text-align:right}@media(max-width:520px){.li-py{display:none}.li-en{font-size:.8rem}}.cta{margin-top:24px;background:var(--tint);border:1px solid #eee0f2;border-radius:14px;padding:18px;text-align:center;color:var(--ink);font-weight:700}.cta 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