:root{--brand:#B93A4A;--brand-soft:#D9828D;--ink:#2B2528;--bg:#FFF9F7;--bg-soft:#F6ECEB;--text:#332D2F;--muted:#756B6E;--accent:#E45B4F;--line:#E7D7D5;--white:#fff;--shadow:0 18px 50px rgba(64,38,42,.1);--radius:26px;--radius-sm:16px;--shell:min(1180px,calc(100% - 40px));--content:min(780px,calc(100% - 40px));font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.72;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}button,input{font:inherit}.skip-link{position:fixed;z-index:999;left:16px;top:12px;padding:10px 14px;background:var(--ink);color:#fff;transform:translateY(-160%);border-radius:10px}.skip-link:focus{transform:none}.site-header{position:sticky;top:0;z-index:80;background:rgba(255,249,247,.94);backdrop-filter:blur(16px);border-bottom:1px solid rgba(185,58,74,.1)}.header-shell{width:var(--shell);margin:auto;min-height:76px;display:flex;align-items:center;gap:28px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;white-space:nowrap}.brand img{border-radius:12px;object-fit:cover}.brand span{display:grid;line-height:1.12;gap:4px}.brand strong{font-size:18px;letter-spacing:.02em}.brand small{font-size:11px;color:var(--muted)}.site-nav{display:flex;align-items:center;gap:4px;margin-left:auto}.site-nav a{padding:10px 11px;text-decoration:none;color:#4c4245;font-size:14px;border-radius:10px}.site-nav a:hover,.site-nav a.is-active{background:var(--bg-soft);color:var(--brand)}.search-open,.menu-toggle{border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:999px;padding:9px 14px;cursor:pointer}.search-open:hover{border-color:var(--brand);color:var(--brand)}.menu-toggle{display:none}.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:200;display:grid;place-items:start center;padding:11vh 20px 20px}.search-backdrop{position:absolute;inset:0;background:rgba(43,37,40,.62);backdrop-filter:blur(4px)}.search-dialog{position:relative;width:min(680px,100%);background:var(--bg);border-radius:26px;padding:38px;box-shadow:0 28px 90px rgba(0,0,0,.25)}.search-dialog h2{font-size:32px;margin:6px 0 22px}.search-close{position:absolute;right:18px;top:16px;border:0;background:transparent;font-size:32px;line-height:1;cursor:pointer;color:var(--muted)}.search-form{display:grid;gap:8px}.search-form label{font-weight:700;font-size:14px}.search-row{display:flex;gap:10px}.search-row input{min-width:0;flex:1;border:1px solid var(--line);background:#fff;border-radius:14px;padding:13px 15px;color:var(--text);outline:none}.search-row input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(185,58,74,.1)}.search-row button{border:0;border-radius:14px;padding:12px 20px;background:var(--brand);color:#fff;font-weight:700;cursor:pointer}.search-row button:hover{background:#a52f40}.hero{width:var(--shell);margin:38px auto 0;display:grid;grid-template-columns:1.04fr .96fr;align-items:center;gap:54px;min-height:630px}.hero-copy{padding:36px 0}.eyebrow{margin:0 0 10px;color:var(--brand);font-weight:800;font-size:13px;letter-spacing:.12em;text-transform:uppercase}.hero h1,.page-hero h1{margin:0;color:var(--ink);font-size:clamp(38px,5vw,66px);line-height:1.08;letter-spacing:-.045em}.hero-lead,.page-hero>div>p:not(.eyebrow){font-size:18px;color:#5c5154;margin:24px 0 0;max-width:720px}.hero-actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:11px 18px;border-radius:999px;text-decoration:none;font-weight:800;font-size:14px}.button--primary{background:var(--brand);color:#fff}.button--primary:hover{background:#a63040}.button--soft{background:var(--bg-soft);color:var(--brand)}.button--soft:hover{background:#eddcda}.button--outline{border:1px solid var(--brand);color:var(--brand);background:transparent}.button--outline:hover{background:var(--brand);color:#fff}.button--light{background:#fff;color:var(--ink)}.text-link{font-weight:800;color:var(--brand)}.text-link--strong{font-size:15px}.hero-note{margin-top:34px;display:flex;gap:10px;align-items:flex-start;padding-top:20px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}.hero-note strong{color:var(--ink)}.hero-media{margin:0;position:relative}.hero-media img{width:100%;aspect-ratio:1.07/1;object-fit:cover;border-radius:34px;box-shadow:var(--shadow)}.hero-media:before{content:"";position:absolute;z-index:-1;width:58%;height:58%;right:-28px;top:-28px;background:var(--bg-soft);border-radius:42% 58% 62% 38%}.hero-media figcaption{margin-top:10px;color:var(--muted);font-size:13px;text-align:right}.section{padding:92px max(20px,calc((100% - 1180px)/2));}.section--tint{background:var(--bg-soft)}.section--dark{background:var(--ink);color:#f8f0ee}.section-heading{max-width:760px;margin-bottom:34px}.section-heading h2,.intro-grid h2,.split-feature h2,.about-band h2,.safety-strip h2{font-size:clamp(30px,4vw,46px);line-height:1.15;letter-spacing:-.03em;color:var(--ink);margin:0}.section-heading>p:not(.eyebrow){color:var(--muted);margin:12px 0 0}.section-heading--split{max-width:none;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(280px,.9fr);gap:40px;align-items:end}.section-heading--split>p{margin:0!important;padding-bottom:3px}.section-heading--light h2{color:#fff}.section-heading--light>p:not(.eyebrow){color:#c7babc}.intro-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.intro-grid .section-heading{margin:0}.prose{font-size:17px;color:#51474a}.prose p:first-child{margin-top:0}.prose p:last-child{margin-bottom:0}.prose--lead p:first-child{font-size:20px;color:var(--ink)}.topic-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.topic-card{background:rgba(255,255,255,.75);border:1px solid rgba(185,58,74,.08);border-radius:24px;overflow:hidden}.topic-card img{width:100%;aspect-ratio:1.45/1;object-fit:cover}.topic-card>div{padding:24px}.topic-card span{font-size:12px;color:var(--brand);font-weight:800}.topic-card h3{margin:8px 0 10px;font-size:22px;color:var(--ink)}.topic-card p{color:var(--muted);margin:0 0 18px;font-size:15px}.topic-card a{color:var(--brand);font-weight:800}.split-feature{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}.split-feature figure{margin:0}.split-feature figure img{border-radius:30px;aspect-ratio:1.24/1;object-fit:cover}.split-feature p{color:var(--muted)}.check-list{padding:0;margin:24px 0;list-style:none;display:grid;gap:12px}.check-list li{position:relative;padding-left:30px}.check-list li:before{content:"✓";position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;background:var(--bg-soft);color:var(--brand);font-size:12px;font-weight:900}.number-steps{padding:0;margin:30px 0;list-style:none;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid rgba(255,255,255,.16);border-bottom:1px solid rgba(255,255,255,.16)}.number-steps li{padding:28px 24px 30px;border-right:1px solid rgba(255,255,255,.16)}.number-steps li:last-child{border-right:0}.number-steps span{font-size:12px;color:var(--brand-soft);font-weight:800}.number-steps h3{margin:12px 0 8px;color:#fff;font-size:19px}.number-steps p{margin:0;color:#c7babc;font-size:14px}.editorial-list{border-top:1px solid var(--line)}.editorial-list article{display:grid;grid-template-columns:60px 1fr;gap:24px;padding:26px 0;border-bottom:1px solid var(--line)}.editorial-list>article>span{font-size:30px;color:var(--brand-soft);font-weight:900;line-height:1}.editorial-list h3{margin:0 0 6px;font-size:21px}.editorial-list h3 a{text-decoration:none}.editorial-list h3 a:hover{color:var(--brand)}.editorial-list p{margin:0;color:var(--muted)}.device-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:center}.device-layout>img{border-radius:28px;aspect-ratio:1.18/1;object-fit:cover}.device-panels{display:grid;gap:14px}.device-panels article{padding:22px 0;border-bottom:1px solid #dbc9c7}.device-panels article:last-child{border-bottom:0}.device-panels h3{margin:0 0 8px;font-size:20px}.device-panels p{margin:0;color:var(--muted)}.safety-strip{display:grid;grid-template-columns:1fr 380px;gap:42px;align-items:center}.safety-strip>img{border-radius:26px}.safety-strip>.text-link{grid-column:1/-1}.search-feature{background:#fff;border:1px solid var(--line);border-radius:30px;padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;box-shadow:0 14px 44px rgba(76,50,53,.06)}.search-feature h2{margin:0;font-size:32px}.search-feature p{color:var(--muted)}.search-form--wide{width:100%}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid rgba(185,58,74,.1);border-radius:18px;overflow:hidden}.faq-item h3{margin:0}.faq-toggle{width:100%;border:0;background:transparent;display:flex;justify-content:space-between;align-items:center;gap:18px;text-align:left;padding:19px 22px;cursor:pointer;color:var(--ink);font-weight:800}.faq-toggle span{font-size:22px;color:var(--brand);transition:transform .2s ease}.faq-toggle[aria-expanded="true"] span{transform:rotate(45deg)}.faq-answer{display:none;padding:0 22px 20px;color:var(--muted)}.faq-answer p{margin:0}.faq-item.is-open .faq-answer{display:block}.about-band{display:grid;grid-template-columns:1fr 420px;gap:60px;align-items:center}.about-band p{color:var(--muted)}.about-band img{border-radius:28px}.site-footer{background:#241f21;color:#e8dddf;padding:64px max(20px,calc((100% - 1180px)/2)) 28px}.footer-shell{display:grid;grid-template-columns:1.25fr repeat(3,.75fr);gap:44px}.brand--footer{color:#fff}.brand--footer small{color:#b9abad}.footer-brand p{max-width:340px;color:#bfb2b5;font-size:14px}.footer-links{display:grid;align-content:start;gap:9px}.footer-links h2{font-size:14px;margin:0 0 8px;color:#fff}.footer-links a{font-size:13px;color:#bfb2b5;text-decoration:none}.footer-links a:hover{color:#fff}.footer-bottom{margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.11);display:flex;justify-content:space-between;gap:20px;color:#9e9093;font-size:12px}.back-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border:1px solid var(--line);background:#fff;color:var(--brand);border-radius:50%;box-shadow:0 8px 30px rgba(0,0,0,.1);cursor:pointer;opacity:0;pointer-events:none;transition:.2s}.back-top.is-visible{opacity:1;pointer-events:auto}.page-main{padding-bottom:70px}.breadcrumb{width:var(--shell);margin:24px auto 0}.breadcrumb ol{display:flex;flex-wrap:wrap;list-style:none;padding:0;margin:0;gap:8px;color:var(--muted);font-size:12px}.breadcrumb li+li:before{content:"/";margin-right:8px;color:#b3a5a8}.breadcrumb a{text-decoration:none}.breadcrumb a:hover{color:var(--brand)}.page-hero{width:var(--shell);margin:34px auto 42px;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;padding:54px;background:var(--bg-soft);border-radius:34px}.page-hero h1{font-size:clamp(34px,4.6vw,58px)}.page-hero img{border-radius:28px;width:100%;aspect-ratio:1.28/1;object-fit:cover}.page-hero--reverse>div{order:2}.page-hero--reverse>img{order:1}.page-hero--compact{grid-template-columns:1.15fr .85fr;padding:44px}.page-hero--compact h1{font-size:clamp(32px,4vw,50px)}.content-layout{width:var(--shell);margin:0 auto;display:grid;grid-template-columns:minmax(0,790px) minmax(260px,1fr);gap:60px;align-items:start}.article-body{font-size:17px}.article-body h2{font-size:30px;line-height:1.25;color:var(--ink);margin:52px 0 16px;letter-spacing:-.02em}.article-body h2:first-child{margin-top:0}.article-body h3{font-size:20px;margin:0 0 8px}.article-body p{color:#504649}.article-body a{color:var(--brand);font-weight:700}.article-body--wide{width:var(--content);margin:0 auto}.callout{margin:30px 0;padding:24px 26px;background:var(--bg-soft);border-left:4px solid var(--brand);border-radius:0 18px 18px 0}.callout h3{margin-top:0}.callout p:last-child,.callout ol:last-child{margin-bottom:0}.callout--soft{background:#fbf1ef}.link-panels{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0}.link-panels a{display:grid;gap:8px;text-decoration:none;padding:18px;border:1px solid var(--line);border-radius:16px;background:#fff}.link-panels a:hover{border-color:var(--brand)}.link-panels span{font-size:13px;color:var(--muted);font-weight:400}.page-aside{position:sticky;top:104px;display:grid;gap:18px}.aside-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px}.aside-card h2{font-size:22px;margin:5px 0 14px}.aside-card ul{padding-left:18px;margin-bottom:0;color:var(--muted)}.aside-card--accent{background:var(--brand);color:#fff;border-color:var(--brand)}.aside-card--accent .eyebrow{color:#ffd8dc}.aside-card--accent h2{color:#fff}.aside-card--accent p{color:#f9dfe2}.aside-card--accent a{color:#fff;font-weight:800}.aside-image{border-radius:20px}.mini-dl{margin:0;display:grid;gap:12px}.mini-dl dt{font-weight:800;color:var(--ink)}.mini-dl dd{margin:-8px 0 4px;color:var(--muted)}.mini-dl a{color:var(--brand)}.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0}.check-grid article{border:1px solid var(--line);border-radius:18px;padding:20px}.check-grid span{font-size:12px;color:var(--brand);font-weight:900}.check-grid h3{margin:8px 0}.check-grid p{font-size:14px;margin:0;color:var(--muted)}.compare-table{border:1px solid var(--line);border-radius:18px;overflow:hidden;margin:26px 0}.compare-row{display:grid;grid-template-columns:.55fr 1.2fr 1.25fr}.compare-row>*{padding:14px 16px;border-right:1px solid var(--line);border-top:1px solid var(--line)}.compare-row>*:last-child{border-right:0}.compare-head>*{border-top:0;background:var(--bg-soft);font-weight:800}.guide-toc{width:var(--content);margin:0 auto 40px;padding:20px 22px;border:1px solid var(--line);border-radius:16px;display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center}.guide-toc strong{margin-right:8px}.guide-toc a{color:var(--brand);font-size:14px}.timeline{position:relative;margin:30px 0 0;padding-left:30px}.timeline:before{content:"";position:absolute;left:9px;top:9px;bottom:10px;width:2px;background:var(--line)}.timeline article{position:relative;display:grid;grid-template-columns:120px 1fr;gap:26px;padding:0 0 30px}.timeline article:before{content:"";position:absolute;left:-27px;top:7px;width:13px;height:13px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 5px var(--bg)}.timeline article>span{font-weight:800;color:var(--brand)}.timeline h3{margin:0 0 6px}.timeline p{margin:0}.big-steps{counter-reset:steps;list-style:none;padding:0;margin:28px 0;display:grid;gap:14px}.big-steps li{counter-increment:steps;position:relative;padding:20px 20px 20px 66px;border:1px solid var(--line);border-radius:18px}.big-steps li:before{content:counter(steps);position:absolute;left:18px;top:18px;width:32px;height:32px;display:grid;place-items:center;border-radius:50%;background:var(--brand);color:#fff;font-weight:900}.big-steps p{margin:4px 0 0}.inline-search{margin:24px 0}.faq-section{padding-top:44px}.next-links{display:grid;grid-template-columns:1fr 1fr;gap:16px}.next-links>div{grid-column:1/-1}.next-links a{display:grid;gap:6px;text-decoration:none;background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.next-links a:hover{border-color:var(--brand)}.next-links span{color:var(--muted);font-size:14px}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0}.info-grid article{padding:20px;border:1px solid var(--line);border-radius:18px;background:#fff}.info-grid h3{margin:0 0 8px}.info-grid p{margin:0;font-size:14px}.search-page-head{width:var(--content);margin:54px auto 0}.search-page-head h1{font-size:48px;line-height:1.1;margin:0}.search-page-head>p:not(.eyebrow){color:var(--muted);font-size:17px}.search-page-head .search-form{margin-top:24px}.search-results{width:var(--content);margin:34px auto 0}.results-meta{font-size:13px;color:var(--muted);margin-bottom:12px}.result-list{display:grid;gap:14px}.result-list article{padding:22px;border:1px solid var(--line);background:#fff;border-radius:18px}.result-list h2{font-size:21px;margin:0 0 8px}.result-list h2 a{text-decoration:none}.result-list p{margin:0 0 10px;color:var(--muted)}.result-path{color:var(--brand);font-size:12px}.empty-state{padding:46px;border:1px solid var(--line);border-radius:22px;background:#fff;text-align:center}.empty-state h2{margin-top:0}.empty-state p{color:var(--muted)}.not-found{width:min(760px,calc(100% - 40px));margin:100px auto;text-align:center}.not-found>span{display:block;font-size:120px;line-height:1;color:#ead3d6;font-weight:900}.not-found h1{font-size:42px;margin:12px 0}.not-found p{color:var(--muted)}.not-found .hero-actions{justify-content:center}@media(max-width:1100px){.header-shell{gap:18px}.site-nav a{padding:9px 8px;font-size:13px}.hero{gap:36px}.topic-grid{gap:16px}.page-hero{padding:40px;gap:36px}.footer-shell{grid-template-columns:1.2fr 1fr 1fr}.footer-links:last-child{grid-column:2/4}.number-steps{grid-template-columns:1fr 1fr}.number-steps li:nth-child(2){border-right:0}.number-steps li:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.16)}}@media(max-width:900px){:root{--shell:min(100% - 32px,1180px);--content:min(100% - 32px,780px)}.menu-toggle{display:flex;align-items:center;gap:4px;padding:10px 12px}.menu-toggle span{width:3px;height:3px;background:currentColor;border-radius:50%}.menu-toggle b{margin-left:4px;font-size:12px}.site-nav{position:absolute;left:16px;right:16px;top:68px;display:none;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px;box-shadow:var(--shadow)}.site-nav.is-open{display:grid}.site-nav a{padding:12px}.search-open{margin-left:auto}.hero{grid-template-columns:1fr;min-height:auto;margin-top:20px}.hero-media{max-width:720px}.intro-grid,.split-feature,.device-layout,.about-band,.safety-strip{grid-template-columns:1fr;gap:34px}.section{padding-top:68px;padding-bottom:68px}.topic-grid{grid-template-columns:1fr}.topic-card{display:grid;grid-template-columns:240px 1fr}.topic-card img{height:100%;aspect-ratio:auto}.section-heading--split{grid-template-columns:1fr;gap:14px}.search-feature{grid-template-columns:1fr}.page-hero,.page-hero--compact{grid-template-columns:1fr;padding:34px}.page-hero--reverse>div,.page-hero--reverse>img{order:initial}.page-hero img{max-height:420px}.content-layout{grid-template-columns:1fr;gap:36px}.page-aside{position:static;grid-template-columns:1fr 1fr}.footer-shell{grid-template-columns:1fr 1fr}.footer-links:last-child{grid-column:auto}.footer-brand{grid-column:1/-1}.link-panels{grid-template-columns:1fr}.safety-strip>.text-link{grid-column:auto}}@media(max-width:640px){:root{--shell:calc(100% - 24px);--content:calc(100% - 24px)}.header-shell{min-height:66px}.brand small{display:none}.brand strong{font-size:16px}.brand img{width:40px;height:40px}.search-open{display:none}.hero{gap:24px}.hero h1,.page-hero h1{font-size:36px}.hero-lead,.page-hero>div>p:not(.eyebrow){font-size:16px}.hero-actions{align-items:stretch}.hero-actions .button{flex:1 1 100%}.hero-actions .text-link{width:100%;text-align:center}.section{padding-top:54px;padding-bottom:54px}.section-heading h2,.intro-grid h2,.split-feature h2,.about-band h2,.safety-strip h2{font-size:31px}.topic-card{display:block}.topic-card img{aspect-ratio:1.45/1}.number-steps{grid-template-columns:1fr}.number-steps li{border-right:0;border-bottom:1px solid rgba(255,255,255,.16)}.number-steps li:last-child{border-bottom:0}.editorial-list article{grid-template-columns:42px 1fr}.search-feature{padding:24px}.search-row{display:grid}.search-dialog{padding:28px 20px}.page-hero,.page-hero--compact{margin-top:20px;padding:24px;border-radius:24px}.content-layout{width:var(--content)}.page-aside{grid-template-columns:1fr}.check-grid,.info-grid,.next-links{grid-template-columns:1fr}.compare-row{grid-template-columns:1fr}.compare-head{display:none}.compare-row>*{border-right:0}.compare-row>*:first-child{background:var(--bg-soft);font-weight:800}.timeline article{grid-template-columns:1fr;gap:6px}.search-page-head h1{font-size:36px}.not-found>span{font-size:86px}.not-found h1{font-size:32px}.footer-shell{grid-template-columns:1fr}.footer-brand{grid-column:auto}.footer-bottom{display:grid}.back-top{right:14px;bottom:14px}}@media(max-width:390px){.hero h1,.page-hero h1{font-size:32px}.hero-media img{border-radius:24px}.section-heading h2,.intro-grid h2,.split-feature h2,.about-band h2,.safety-strip h2{font-size:28px}.article-body{font-size:16px}.article-body h2{font-size:26px}.page-hero{padding:20px}.button{width:100%}}