:root{
  --pink:#D96B9A;--pink-dark:#B95482;--mist:#B89ACB;--ink:#322D34;--sub:#756D78;--deep:#2B2530;
  --paper:#FFF9FC;--soft:#F5EDF3;--coral:#E88A62;--line:#E7DCE4;--white:#fff;--radius:22px;
  --shadow:0 20px 55px rgba(64,43,59,.10);--content:min(1180px,calc(100% - 40px));
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.72 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input{font:inherit}p{margin:0 0 1em}h1,h2,h3{margin:0 0 .55em;line-height:1.2;letter-spacing:-.02em}h1{font-size:clamp(2.35rem,5vw,5rem)}h2{font-size:clamp(1.65rem,3vw,2.7rem)}h3{font-size:1.1rem}.skip-link{position:fixed;left:14px;top:14px;transform:translateY(-180%);z-index:999;background:var(--deep);color:#fff;padding:10px 14px;border-radius:8px}.skip-link:focus{transform:none}.site-header{position:sticky;top:0;z-index:80;background:rgba(255,249,252,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(217,107,154,.13)}.header-inner{width:var(--content);margin:auto;min-height:78px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:11px;margin-right:auto}.brand img{width:44px;height:44px;object-fit:contain}.brand span{display:grid;line-height:1.15}.brand strong{font-size:1.08rem}.brand small{color:var(--sub);margin-top:5px}.site-nav{display:flex;align-items:center;gap:4px}.nav-link{padding:10px 12px;border-radius:999px;color:var(--sub);font-weight:650;font-size:.95rem}.nav-link:hover,.nav-link:focus-visible,.nav-link.is-active{background:var(--soft);color:var(--pink-dark);outline:none}.nav-search{border:1px solid var(--line);margin-left:4px}.nav-toggle{display:none;background:var(--deep);color:#fff;border:0;border-radius:12px;padding:9px 13px}.breadcrumb{width:var(--content);margin:20px auto 0;font-size:.9rem;color:var(--sub)}.breadcrumb ol{list-style:none;padding:0;margin:0;display:flex;gap:9px;flex-wrap:wrap}.breadcrumb li:not(:last-child)::after{content:"/";margin-left:9px;color:#BCAEB8}.breadcrumb a:hover{text-decoration:underline}.home-hero,.page-intro{width:var(--content);margin:40px auto 0;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:56px;align-items:center;min-height:610px}.hero-copy{padding:44px 0}.eyebrow{font-size:.77rem;text-transform:uppercase;letter-spacing:.15em;font-weight:800;color:var(--pink-dark);margin-bottom:16px}.hero-lead,.page-intro>div>p{font-size:1.08rem;color:var(--sub);max-width:720px}.hero-media,.page-intro img{margin:0;border-radius:36px 14px 36px 14px;overflow:hidden;background:var(--soft);box-shadow:var(--shadow)}.hero-media img,.page-intro img{width:100%;aspect-ratio:1.3/1;object-fit:cover}.hero-media figcaption{font-size:.9rem;color:var(--sub);padding:14px 18px}.hero-actions,.inline-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:14px;font-weight:800}.btn.primary{background:var(--pink);color:#fff;box-shadow:0 12px 28px rgba(217,107,154,.24)}.btn.ghost{border:1px solid var(--line);background:#fff}.btn.dark{background:var(--deep);color:#fff}.btn:hover{transform:translateY(-1px)}.hero-keywords{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}.hero-keywords span{border:1px solid var(--line);background:rgba(255,255,255,.75);border-radius:999px;padding:7px 11px;font-size:.86rem;color:var(--sub)}.section-pad{padding:92px max(20px,calc((100% - 1180px)/2))}.compact-top{padding-top:56px}.muted-bg{background:var(--soft)}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}.section-heading h2{max-width:760px}.section-heading>p:last-child{max-width:460px;color:var(--sub)}.section-heading.narrow{display:block;max-width:780px}.section-heading.narrow p:last-child{max-width:720px}.article-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.article-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:0 8px 24px rgba(55,42,52,.04)}.article-card p{color:var(--sub)}.article-card ul{padding-left:18px;margin:16px 0 0}.article-meta{display:flex;justify-content:space-between;color:var(--pink-dark);font-size:.78rem;font-weight:800;margin-bottom:18px}.section-cta{margin-top:28px}.section-cta a{font-weight:800;color:var(--pink-dark)}.split-flow{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:58px;align-items:center}.split-visual img{border-radius:20px 50px 20px 50px;aspect-ratio:1.12/1;object-fit:cover}.mini-steps{display:grid;gap:10px;margin-top:28px}.mini-steps a{display:flex;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);padding:17px 19px;border-radius:15px}.mini-steps b{width:42px;height:42px;display:grid;place-items:center;background:var(--paper);color:var(--pink-dark);border-radius:50%}.mini-steps span{display:grid}.mini-steps small{color:var(--sub);margin-top:3px}.highlight-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}.highlight-grid article{border-top:3px solid var(--pink);padding:23px 20px;background:#fff}.highlight-grid p{color:var(--sub);margin:0}.wide-callout{width:var(--content);margin:30px auto 90px;background:var(--deep);color:#fff;padding:42px 46px;border-radius:28px;display:flex;align-items:center;justify-content:space-between;gap:30px}.wide-callout.light{background:var(--soft);color:var(--ink)}.wide-callout h2{max-width:760px}.wide-callout p:last-child{color:#CFC4CC}.wide-callout.light p:last-child{color:var(--sub)}.faq-list{display:grid;gap:10px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:15px;padding:0 20px}.faq-list summary{cursor:pointer;padding:18px 0;font-weight:800}.faq-list details div{color:var(--sub);padding-bottom:4px}.page-intro{min-height:460px;margin-top:26px}.page-intro h1{font-size:clamp(2.3rem,4vw,4.15rem)}.inline-links a{font-weight:800;color:var(--pink-dark);border-bottom:1px solid currentColor}.reading-band{width:var(--content);margin:0 auto 90px;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.65fr);gap:42px}.guide-row{display:grid;grid-template-columns:54px 1fr;gap:18px;padding:24px 0;border-bottom:1px solid var(--line)}.guide-row>span{font-size:1.5rem;color:var(--mist);font-weight:900}.guide-row p{color:var(--sub)}.reading-aside{align-self:start;position:sticky;top:110px;background:var(--deep);color:#fff;border-radius:26px;padding:18px}.reading-aside img{border-radius:18px;margin-bottom:22px;aspect-ratio:1/1.08;object-fit:cover}.reading-aside h3,.reading-aside p,.reading-aside a{margin-left:6px;margin-right:6px}.reading-aside p{color:#CFC4CC}.reading-aside a{display:block;padding:11px 0;border-top:1px solid rgba(255,255,255,.14);font-weight:750}.topic-links{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.topic-links a{background:#fff;border:1px solid var(--line);padding:24px;border-radius:17px;display:grid;gap:8px}.topic-links strong{color:var(--pink-dark)}.topic-links span{color:var(--sub)}.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.scenario-grid article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}.scenario-grid span{display:block;color:var(--mist);font-weight:900;font-size:1.35rem;margin-bottom:26px}.scenario-grid p{color:var(--sub)}.device-section{padding:80px max(20px,calc((100% - 1180px)/2));display:grid;grid-template-columns:1fr .8fr;gap:60px;align-items:center}.device-section img{border-radius:50% 50% 30px 30px;aspect-ratio:1/1;object-fit:cover}.check-list{padding:0;list-style:none;display:grid;gap:10px}.check-list li{position:relative;padding-left:30px}.check-list li::before{content:"✓";position:absolute;left:0;top:0;color:var(--coral);font-weight:900}.official-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:50px}.fact-row{padding:25px 0;border-top:1px solid var(--line)}.fact-row p{color:var(--sub)}.official-aside{align-self:start;background:var(--soft);border-radius:22px;padding:26px}.official-aside>a{display:grid;gap:4px;padding:16px 0;border-top:1px solid var(--line)}.official-aside span{color:var(--sub);font-size:.92rem}.download-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.download-grid article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:28px}.download-grid span{display:block;font-weight:900;color:var(--mist);margin-bottom:18px}.download-grid p{color:var(--sub)}.safety-band{width:var(--content);margin:0 auto 90px;background:var(--deep);color:#fff;border-radius:28px;padding:28px;display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}.safety-band img{border-radius:20px;width:100%;aspect-ratio:1.08/1;object-fit:cover}.safety-band p{color:#D8CDD4}.simple-hero{width:min(900px,calc(100% - 40px));margin:80px auto 40px;text-align:center}.simple-hero h1{font-size:clamp(2.5rem,5vw,4.8rem)}.simple-hero>p:not(.eyebrow){color:var(--sub);max-width:760px;margin:0 auto}.simple-hero .btn{margin-top:22px}.vip-notes{max-width:1050px;margin:auto;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.vip-notes article{border:1px solid var(--line);border-radius:18px;padding:28px;background:#fff}.vip-notes p{color:var(--sub)}.search-page{min-height:650px}.search-form{max-width:760px;margin:30px auto 18px}.search-form label{display:block;font-weight:800;margin-bottom:8px}.search-form>div{display:flex;gap:9px}.search-form input{flex:1;min-width:0;border:1px solid var(--line);border-radius:14px;background:#fff;padding:14px 16px;color:var(--ink);outline:none}.search-form input:focus{border-color:var(--pink);box-shadow:0 0 0 4px rgba(217,107,154,.11)}.search-form button{border:0;border-radius:14px;background:var(--pink);color:#fff;font-weight:800;padding:0 23px}.search-summary{max-width:760px;margin:20px auto;color:var(--sub)}.search-results{max-width:760px;margin:auto;display:grid;gap:12px}.search-results article,.empty-state{background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px}.search-results h2{font-size:1.25rem}.search-results h2 a:hover{text-decoration:underline}.search-results p{color:var(--sub);margin:0}.empty-state{text-align:center}.empty-state a{color:var(--pink-dark);font-weight:800}.not-found{min-height:70vh;display:grid;place-items:center;text-align:center;align-content:center;width:min(780px,calc(100% - 40px));margin:auto}.not-found>span{font-size:clamp(5rem,18vw,12rem);line-height:.8;font-weight:950;color:var(--soft);text-shadow:0 2px 0 var(--mist)}.not-found p{color:var(--sub);max-width:620px}.site-footer{background:var(--deep);color:#fff;margin-top:50px;padding:58px max(20px,calc((100% - 1180px)/2)) 24px}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}.footer-grid p{color:#CFC4CC;max-width:520px}.footer-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px 18px}.footer-links a{padding:8px 0;border-bottom:1px solid rgba(255,255,255,.12)}.footer-bottom{display:flex;justify-content:space-between;color:#AFA2AC;border-top:1px solid rgba(255,255,255,.12);padding-top:24px;margin-top:42px;font-size:.9rem}.back-top{position:fixed;right:20px;bottom:20px;width:46px;height:46px;border-radius:50%;border:0;background:var(--coral);color:#fff;font-size:1.2rem;box-shadow:var(--shadow);opacity:0;pointer-events:none;transform:translateY(10px);transition:.2s}.back-top.is-visible{opacity:1;pointer-events:auto;transform:none}:focus-visible{outline:3px solid rgba(232,138,98,.45);outline-offset:3px}
@media(max-width:1000px){.site-nav{position:fixed;inset:79px 20px auto;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:12px;display:none;flex-direction:column;align-items:stretch}.site-nav.is-open{display:flex}.nav-toggle{display:block}.nav-link{padding:12px 14px}.home-hero,.page-intro,.split-flow,.device-section,.official-layout,.safety-band{grid-template-columns:1fr}.home-hero{gap:24px;min-height:auto}.hero-copy{padding-top:30px}.hero-media{max-width:720px}.page-intro{gap:26px;min-height:auto}.page-intro img{max-width:700px}.highlight-grid{grid-template-columns:repeat(2,1fr)}.scenario-grid{grid-template-columns:repeat(2,1fr)}.reading-band{grid-template-columns:1fr}.reading-aside{position:static}.topic-links{grid-template-columns:1fr}.device-section img{max-width:620px}.wide-callout{align-items:flex-start;flex-direction:column}}
@media(max-width:680px){:root{--content:calc(100% - 28px)}body{font-size:15px}.header-inner{min-height:70px}.site-nav{inset:71px 14px auto}.brand img{width:40px;height:40px}.brand small{display:none}.section-pad{padding:66px 14px}.section-heading{display:block}.article-list,.highlight-grid,.scenario-grid,.download-grid,.vip-notes{grid-template-columns:1fr}.home-hero,.page-intro{margin-top:18px}.home-hero h1{font-size:clamp(2.3rem,12vw,3.65rem)}.page-intro h1{font-size:clamp(2.2rem,10vw,3.35rem)}.hero-actions,.inline-links{flex-direction:column;align-items:stretch}.btn{width:100%}.wide-callout{width:calc(100% - 28px);padding:30px 24px;margin-bottom:64px}.reading-band{width:calc(100% - 28px);margin-bottom:64px}.safety-band{width:calc(100% - 28px);padding:18px}.footer-grid{grid-template-columns:1fr}.footer-links{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:7px}.search-form>div{flex-direction:column}.search-form button{min-height:48px}.guide-row{grid-template-columns:40px 1fr}.topic-links a,.article-card{padding:21px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}