:root{--primary:#E85D75;--primary-dark:#D94A63;--orange:#F2A65A;--ink:#252833;--text:#34343C;--muted:#72727D;--bg:#FFF9F7;--soft:#F6F1F0;--line:#E9DEDB;--white:#fff;--shadow:0 16px 45px rgba(37,40,51,.08);--radius:22px;--max:1180px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:"PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.75}img{max-width:100%;display:block;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}.skip-link{position:fixed;left:12px;top:-80px;z-index:1000;background:var(--ink);color:#fff;padding:10px 14px;border-radius:8px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:100;background:rgba(255,249,247,.94);backdrop-filter:blur(14px);border-bottom:1px solid rgba(233,222,219,.8)}.header-inner{width:min(var(--max),calc(100% - 40px));margin:auto;min-height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:10px;min-width:max-content}.brand img{width:44px;height:44px;object-fit:cover;border-radius:12px}.brand span{display:grid;line-height:1.15}.brand strong{font-size:1.08rem;color:var(--ink)}.brand small{margin-top:5px;color:var(--muted);font-size:.72rem}.site-nav{margin-left:auto;display:flex;align-items:center;gap:5px}.site-nav a{padding:9px 11px;border-radius:999px;color:#55545b;font-size:.95rem}.site-nav a:hover,.site-nav a.is-active{background:#F4E6E6;color:var(--primary-dark)}.search-open,.menu-toggle{border:1px solid var(--line);background:#fff;color:var(--ink);padding:9px 14px;border-radius:999px;cursor:pointer}.menu-toggle{display:none}main{min-height:60vh}.entry-hero{width:min(var(--max),calc(100% - 40px));margin:44px auto 24px;display:grid;grid-template-columns:1.16fr .84fr;gap:56px;align-items:center;padding:42px 0 30px}.entry-copy{max-width:720px}.eyebrow,.section-kicker{margin:0 0 10px;text-transform:uppercase;letter-spacing:.1em;font-size:.78rem;font-weight:800;color:var(--primary-dark)}h1,h2,h3{color:var(--ink);line-height:1.26;margin-top:0}h1{font-size:clamp(2.45rem,5.8vw,5.2rem);letter-spacing:-.035em;margin-bottom:22px}.page-title h1{font-size:clamp(2.2rem,4.5vw,4rem)}h2{font-size:clamp(1.55rem,2.6vw,2.35rem);letter-spacing:-.02em}h3{font-size:1.2rem}.lead{font-size:1.12rem;color:#52515a;max-width:760px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:0 18px;border-radius:13px;font-weight:750}.btn.primary{background:var(--primary);color:#fff}.btn.secondary{background:#fff;color:var(--ink);border:1px solid var(--line)}.entry-visual{margin:0}.entry-visual img{border-radius:30px;box-shadow:var(--shadow);aspect-ratio:4/3;object-fit:cover}.entry-visual figcaption,.article-image figcaption{color:var(--muted);font-size:.85rem;margin-top:10px}.quick-strip{width:min(var(--max),calc(100% - 40px));margin:0 auto 64px;background:var(--ink);color:#fff;border-radius:24px;padding:14px;display:grid;grid-template-columns:repeat(4,1fr);gap:4px}.quick-strip a{padding:18px;border-radius:16px}.quick-strip a:hover{background:rgba(255,255,255,.08)}.quick-strip strong,.quick-strip span{display:block}.quick-strip strong{margin-bottom:5px}.quick-strip span{font-size:.87rem;color:#cfcfd4;line-height:1.55}.content-section{width:min(var(--max),calc(100% - 40px));margin:78px auto}.split-intro{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}.split-intro>div:first-child p:not(.section-kicker){font-size:1.05rem}.text-link,.prose a,.device-detail a,.timeline-guide a,.side-note a,.index-list a:hover strong,.closing-grid a,.section-more a,.contact-layout a{color:var(--primary-dark);font-weight:750}.note-panel{background:var(--soft);padding:18px;border-radius:var(--radius)}.note-panel img{border-radius:16px;aspect-ratio:16/8;object-fit:cover;margin-bottom:18px}.device-band{background:var(--soft);padding:72px max(20px,calc((100vw - var(--max))/2));margin:84px 0}.band-head{max-width:720px;margin-bottom:28px}.device-columns{display:grid;grid-template-columns:1fr 1fr;gap:18px}.device-columns article{background:#fff;border-radius:22px;overflow:hidden;display:grid;grid-template-columns:.8fr 1.2fr}.device-columns img{width:100%;height:100%;min-height:260px;object-fit:cover}.device-columns article>div{padding:28px}.tag{display:inline-block;background:#F8DDE2;color:var(--primary-dark);padding:4px 9px;border-radius:999px;font-size:.75rem;font-weight:800;margin-bottom:12px}.tag.warm{background:#FCE7CD;color:#9C5A1C}.section-heading{max-width:760px;margin-bottom:28px}.steps-list{border-top:1px solid var(--line)}.steps-list article{display:grid;grid-template-columns:90px 1fr;gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}.step-no{font-size:1.8rem;font-weight:900;color:var(--primary)}.steps-list h3{margin-bottom:6px}.steps-list p{margin:0;color:#5c5b63}.community-feature{width:min(var(--max),calc(100% - 40px));margin:84px auto;background:var(--ink);color:#fff;border-radius:30px;display:grid;grid-template-columns:1.05fr .95fr;overflow:hidden}.community-copy{padding:54px}.community-feature h2{color:#fff}.community-feature p:not(.section-kicker){color:#d8d8dd}.community-feature img{width:100%;height:100%;object-fit:cover;min-height:420px}.community-feature.page-feature{margin-top:30px}.compact-index .index-list{border-top:1px solid var(--line)}.index-list a{display:grid;grid-template-columns:54px minmax(240px,1fr) 1fr;gap:20px;align-items:center;padding:20px 0;border-bottom:1px solid var(--line)}.index-list span{font-weight:900;color:var(--primary)}.index-list em{font-style:normal;color:var(--muted);font-size:.92rem}.wide-topic{width:min(1280px,calc(100% - 24px));margin:84px auto;display:grid;grid-template-columns:1.2fr .8fr;background:#fff;border:1px solid var(--line);border-radius:30px;overflow:hidden;box-shadow:0 12px 34px rgba(37,40,51,.04)}.wide-topic img{width:100%;height:100%;min-height:380px;object-fit:cover}.wide-topic>div{padding:52px}.wide-topic.soft{background:var(--soft);box-shadow:none}.faq-list{border-top:1px solid var(--line)}.faq-item{border-bottom:1px solid var(--line)}.faq-item summary{list-style:none;cursor:pointer;font-weight:800;color:var(--ink);padding:21px 42px 21px 0;position:relative}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:'+';position:absolute;right:8px;font-size:1.35rem;color:var(--primary)}.faq-item[open] summary:after{content:'−'}.faq-answer{padding:0 0 20px;color:#55545c;max-width:850px}.faq-answer p{margin:0}.section-more{margin-top:18px}.closing-grid{width:min(var(--max),calc(100% - 40px));margin:84px auto;display:grid;grid-template-columns:1fr 1fr;gap:24px}.closing-grid article{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden;padding-bottom:28px}.closing-grid img{aspect-ratio:16/7;width:100%;object-fit:cover;margin-bottom:24px}.closing-grid h2,.closing-grid p,.closing-grid a{margin-left:28px;margin-right:28px}.closing-grid p{color:#5d5c63}.breadcrumb{width:min(var(--max),calc(100% - 40px));margin:28px auto 0;display:flex;gap:9px;color:var(--muted);font-size:.85rem}.breadcrumb a:hover{color:var(--primary-dark)}.page-title{margin:36px auto 26px}.narrow{width:min(860px,calc(100% - 40px))}.article-layout{width:min(var(--max),calc(100% - 40px));margin:28px auto 90px;display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:48px;align-items:start}.prose{font-size:1.02rem}.prose h2{margin-top:40px}.prose h3{margin-top:28px}.prose p,.prose li{color:#4f4e57}.prose li{margin:7px 0}.article-image{margin:38px 0}.article-image img{border-radius:20px;aspect-ratio:16/8;object-fit:cover}.side-note{position:sticky;top:108px;background:var(--soft);border-radius:20px;padding:18px}.side-note img{border-radius:14px;margin-bottom:18px}.side-note h2{font-size:1.25rem}.device-guide{width:min(var(--max),calc(100% - 40px));margin:40px auto 80px;display:grid;gap:24px}.device-detail{background:#fff;border:1px solid var(--line);border-radius:26px;overflow:hidden;display:grid;grid-template-columns:1.1fr .9fr}.device-detail.reverse{grid-template-columns:.9fr 1.1fr}.device-detail.reverse>div{order:2}.device-detail>div{padding:42px}.device-detail img{width:100%;height:100%;object-fit:cover;min-height:380px}.device-detail li{margin:8px 0}.check-table{border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}.check-table>div{display:grid;grid-template-columns:.6fr 1fr 1fr;border-bottom:1px solid var(--line)}.check-table>div:last-child{border-bottom:0}.check-table span,.check-table strong{padding:14px 16px;border-right:1px solid var(--line)}.check-table span:last-child,.check-table strong:last-child{border-right:0}.check-table>div:first-child{background:var(--soft)}.community-columns{display:grid;grid-template-columns:1fr 1fr;gap:24px}.community-columns article{padding:30px;border-top:4px solid var(--primary);background:#fff}.timeline-guide{width:min(var(--max),calc(100% - 40px));margin:50px auto 80px}.timeline-guide article{display:grid;grid-template-columns:70px 1fr 280px;gap:26px;align-items:center;padding:26px 0;border-top:1px solid var(--line)}.timeline-guide article:last-child{border-bottom:1px solid var(--line)}.timeline-guide>article>span{font-size:2rem;font-weight:900;color:var(--primary)}.timeline-guide img{border-radius:16px;aspect-ratio:16/10;object-fit:cover}.safety-grid{width:min(var(--max),calc(100% - 40px));margin:42px auto 80px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.safety-grid article{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;padding-bottom:22px}.safety-grid img{aspect-ratio:16/9;object-fit:cover}.safety-grid h2,.safety-grid p{margin-left:22px;margin-right:22px}.safety-grid h2{font-size:1.3rem;margin-top:20px}.safety-grid p{color:#5d5c63}.contact-layout{width:min(var(--max),calc(100% - 40px));margin:40px auto 90px;display:grid;grid-template-columns:1fr 1fr;gap:26px}.contact-layout>div{background:#fff;border:1px solid var(--line);border-radius:22px;padding:28px}.contact-layout img{border-radius:16px;margin-bottom:24px}.contact-note{background:var(--soft)!important}.search-page-form{margin-bottom:32px}.search-page-form>div,.search-line{display:flex;gap:10px}.search-page-form input,.search-line input{flex:1;min-width:0;border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px 14px}.search-page-form button,.search-line button{border:0;background:var(--primary);color:#fff;border-radius:12px;padding:0 18px;font-weight:800}.search-results{display:grid;gap:14px}.search-results article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.search-results h2{font-size:1.25rem;margin-bottom:8px}.empty-state{padding:48px 0;text-align:center}.empty-state img{width:min(460px,100%);margin:0 auto 24px;border-radius:20px}.not-found{width:min(780px,calc(100% - 40px));margin:110px auto;text-align:center}.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:500;background:rgba(37,40,51,.5);display:grid;place-items:start center;padding:110px 20px 20px}.search-panel{width:min(680px,100%);background:var(--bg);border-radius:22px;padding:24px;box-shadow:var(--shadow)}.search-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.search-head h2{font-size:1.3rem;margin:0}.search-close{border:0;background:transparent;font-size:2rem;cursor:pointer}.search-form label{display:block;margin:20px 0 8px}.search-note{color:var(--muted);font-size:.88rem;margin-bottom:0}.site-footer{margin-top:90px;background:var(--ink);color:#fff;padding:58px max(20px,calc((100vw - var(--max))/2)) 24px}.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:34px}.footer-grid h2{font-size:1rem;color:#fff}.footer-grid p,.footer-grid a{display:block;color:#c8c8cf;font-size:.9rem;margin:7px 0}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:20px;display:flex;justify-content:space-between;color:#aaaab3;font-size:.85rem}.back-top{color:#fff}.muted{color:var(--muted)!important}@media(max-width:1024px){.site-nav{position:fixed;left:20px;right:20px;top:86px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);padding:12px;display:none;flex-direction:column;align-items:stretch}.site-nav.is-open{display:flex}.menu-toggle{display:inline-flex;margin-left:auto}.entry-hero,.split-intro,.community-feature,.wide-topic,.article-layout,.contact-layout{grid-template-columns:1fr}.quick-strip{grid-template-columns:1fr 1fr}.device-columns{grid-template-columns:1fr}.device-detail,.device-detail.reverse{grid-template-columns:1fr}.device-detail.reverse>div{order:0}.timeline-guide article{grid-template-columns:60px 1fr}.timeline-guide img{grid-column:2}.side-note{position:static}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:768px){.header-inner{width:min(100% - 24px,var(--max));gap:10px}.brand small{display:none}.search-open{padding:8px 12px}.entry-hero{width:calc(100% - 28px);margin-top:28px;gap:28px;padding-top:20px}.entry-hero h1{font-size:clamp(2.2rem,11vw,3.5rem)}.quick-strip{width:calc(100% - 28px);grid-template-columns:1fr}.content-section,.device-guide,.safety-grid,.closing-grid,.breadcrumb,.page-title,.article-layout,.community-feature,.timeline-guide,.contact-layout{width:calc(100% - 28px)}.device-band{padding:56px 14px}.device-columns article{grid-template-columns:1fr}.device-columns img{min-height:220px}.community-copy,.wide-topic>div,.device-detail>div{padding:30px 24px}.community-feature img{min-height:260px}.wide-topic{width:calc(100% - 14px)}.index-list a{grid-template-columns:42px 1fr}.index-list em{grid-column:2}.closing-grid,.community-columns,.safety-grid{grid-template-columns:1fr}.check-table{overflow-x:auto}.check-table>div{min-width:650px}.timeline-guide article{grid-template-columns:46px 1fr}.timeline-guide img{grid-column:1/-1;width:100%}.footer-grid{grid-template-columns:1fr}.search-modal{padding-top:90px}}@media(max-width:600px){.hero-actions{display:grid}.btn{width:100%}.steps-list article{grid-template-columns:56px 1fr}.page-title h1{font-size:2.25rem}.footer-bottom{gap:12px;flex-direction:column}.search-page-form>div,.search-line{flex-direction:column}.search-page-form button,.search-line button{min-height:44px}}@media(max-width:375px){.header-inner{width:calc(100% - 18px)}.brand img{width:38px;height:38px}.menu-toggle,.search-open{font-size:.84rem;padding:7px 9px}.entry-hero,.quick-strip,.content-section,.device-guide,.safety-grid,.closing-grid,.breadcrumb,.page-title,.article-layout,.community-feature,.timeline-guide,.contact-layout{width:calc(100% - 20px)}body{font-size:15px}}