:root{
  --primary:#B93A4A;--primary-dark:#8e2937;--secondary:#D9828D;--ink:#2B2528;--text:#332D2F;--muted:#756B6E;--bg:#FFF9F7;--soft:#F6ECEB;--accent:#E45B4F;--white:#fff;--line:#eadbda;--radius:24px;--shadow:0 18px 50px rgba(62,37,43,.09);--max:1180px
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;line-height:1.75;font-size:17px}img{max-width:100%;height:auto;display:block}a{color:var(--primary-dark);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:var(--primary)}button,input{font:inherit}.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.narrow{width:min(820px,100%)}.skip-link{position:fixed;left:16px;top:-80px;z-index:1000;background:var(--ink);color:#fff;padding:10px 16px;border-radius:8px}.skip-link:focus{top:12px}.site-header{position:sticky;top:0;z-index:80;background:rgba(255,249,247,.96);backdrop-filter:blur(14px);border-bottom:1px solid rgba(185,58,74,.1)}.header-inner{min-height:78px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;min-width:max-content}.brand img{width:44px;height:44px;object-fit:contain}.brand span{display:flex;flex-direction:column;line-height:1.25}.brand strong{font-size:1.1rem}.brand small{font-size:.73rem;color:var(--muted);margin-top:3px}.site-nav{display:flex;align-items:center;gap:5px;margin-left:auto}.site-nav a{display:inline-flex;padding:10px 11px;border-radius:10px;text-decoration:none;color:var(--text);font-size:.92rem}.site-nav a:hover,.site-nav a.is-active{background:var(--soft);color:var(--primary-dark)}.nav-toggle{display:none}.search-trigger,.nav-toggle{border:1px solid var(--line);background:#fff;color:var(--ink);padding:10px 14px;border-radius:12px;cursor:pointer}.search-trigger:hover,.nav-toggle:hover{border-color:var(--secondary);background:var(--soft)}
.search-modal{position:fixed;inset:0;z-index:120;background:rgba(43,37,40,.58);padding:24px;display:grid;place-items:start center}.search-modal[hidden]{display:none!important}.search-modal__panel{position:relative;margin-top:min(16vh,140px);width:min(680px,100%);background:var(--bg);border-radius:28px;padding:36px;box-shadow:0 30px 90px rgba(43,37,40,.25)}.search-modal__close{position:absolute;right:18px;top:16px;border:0;background:transparent;font-size:2rem;cursor:pointer;color:var(--muted)}.search-form label{display:block;font-weight:700;margin-bottom:8px}.search-row{display:flex;gap:10px}.search-row input{flex:1;min-width:0;border:1px solid var(--line);border-radius:12px;padding:13px 14px;background:#fff;color:var(--text)}.search-row button{border:0;border-radius:12px;padding:13px 20px;background:var(--primary);color:#fff;cursor:pointer}.search-row button:hover{background:var(--primary-dark)}
.hero{padding:78px 0 62px;overflow:hidden}.hero-grid,.page-hero-grid,.split-grid,.editorial-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr);gap:56px;align-items:center}.hero-copy h1,.page-hero h1{font-size:clamp(2.35rem,5vw,4.6rem);line-height:1.1;letter-spacing:-.035em;margin:.15em 0 .35em;color:var(--ink)}.page-hero h1{font-size:clamp(2.1rem,4vw,3.5rem)}.hero-lead,.page-hero p{font-size:1.08rem;color:var(--muted);max-width:760px}.eyebrow{margin:0 0 10px!important;color:var(--primary);font-weight:800;letter-spacing:.08em;font-size:.8rem;text-transform:uppercase}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;border-radius:12px;font-weight:800;text-decoration:none;border:1px solid transparent}.button-primary{background:var(--primary);color:#fff}.button-primary:hover{background:var(--primary-dark);color:#fff}.button-secondary{background:#fff;color:var(--primary-dark);border-color:var(--secondary)}.button-ghost{background:transparent;color:var(--ink);border-color:var(--line)}.button-light{background:#fff;color:var(--ink)}.hero-points{padding:0;margin:22px 0 0;list-style:none;display:grid;gap:8px}.hero-points li{position:relative;padding-left:24px;color:var(--muted)}.hero-points li::before{content:"";position:absolute;left:0;top:.74em;width:10px;height:10px;border-radius:50%;background:var(--secondary)}.hero-media{position:relative;margin:0}.hero-media::before{content:"";position:absolute;inset:8% -12% -9% 18%;background:var(--soft);border-radius:50%;z-index:-1}.hero-media img{border-radius:34px;box-shadow:var(--shadow);width:100%;aspect-ratio:1.35/1;object-fit:cover}.hero-media figcaption{font-size:.84rem;color:var(--muted);padding:10px 8px 0}.page-hero{padding:54px 0 36px}.page-hero.compact{padding-bottom:30px}.page-hero img{border-radius:30px;width:100%;aspect-ratio:1.46/1;object-fit:cover;box-shadow:var(--shadow)}
.section{padding:76px 0}.soft-bg{background:var(--soft)}.section-heading{max-width:760px;margin-bottom:34px}.section-heading h2,.section h2{color:var(--ink);font-size:clamp(1.8rem,3vw,2.7rem);line-height:1.2;letter-spacing:-.02em;margin:.2em 0 .4em}.section-heading p{color:var(--muted);margin:0}.intent-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.intent-card{background:#fff;border:1px solid var(--line);border-radius:24px;overflow:hidden}.intent-card img{width:100%;aspect-ratio:1.5/1;object-fit:cover}.intent-card__body{padding:22px}.intent-card h3,.topic-card h3,.link-panels h3,.scenario-grid h3,.device-grid h3,.principles h3{margin:0 0 10px;font-size:1.22rem;color:var(--ink)}.intent-card h3 a,.topic-card h3 a,.guide-list h2 a{color:inherit;text-decoration:none}.intent-card p,.topic-card p,.link-panels p,.scenario-grid p,.device-grid p,.principles p{color:var(--muted);margin:0 0 14px}.text-link{font-weight:800}.rounded-media{border-radius:28px;box-shadow:var(--shadow);width:100%;aspect-ratio:1.23/1;object-fit:cover}.inline-links{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:22px}.inline-links a{font-weight:800}.numbered-list{display:grid;gap:18px}.numbered-list article,.step-stack article{display:grid;grid-template-columns:52px 1fr;gap:18px;align-items:start}.numbered-list article>span,.step-stack article>span{width:48px;height:48px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;font-weight:900}.numbered-list h3,.step-stack h3{margin:0 0 6px;color:var(--ink)}.numbered-list p,.step-stack p{margin:0;color:var(--muted)}
.editorial-band{background:var(--ink);color:#fff}.editorial-band h2{color:#fff}.editorial-band p{color:#e6dfe1}.editorial-band .eyebrow{color:#f4aab4}.editorial-band img{border-radius:26px;width:100%;aspect-ratio:1.65/1;object-fit:cover}.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.topic-card{background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden}.topic-card img{width:100%;aspect-ratio:1.5/1;object-fit:cover}.topic-card>div{padding:18px}.section-after{text-align:center;margin-top:30px}.principles{display:grid;grid-template-columns:1fr 1fr;gap:18px}.principles article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px}.about-band{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.breadcrumbs{padding:22px 0 0}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0;font-size:.88rem;color:var(--muted)}.breadcrumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:#b8a4a8}.breadcrumbs a{color:var(--muted)}.checklist{list-style:none;padding:0;margin:0;display:grid;gap:14px}.checklist li{display:grid;grid-template-columns:50px 1fr;gap:16px;align-items:start;background:#fff;border:1px solid var(--line);padding:18px;border-radius:16px}.checklist span{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--soft);font-weight:900;color:var(--primary)}.checklist p{margin:3px 0 0}.link-panels{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.link-panels article,.scenario-grid article,.device-grid article{background:#fff;border:1px solid var(--line);padding:22px;border-radius:18px}.link-panels a{font-weight:800}.comparison-table{display:grid;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#fff}.comparison-table>div{display:grid;grid-template-columns:1fr 1.2fr 1.2fr;gap:16px;padding:15px 18px;border-bottom:1px solid var(--line)}.comparison-table>div:last-child{border-bottom:0}.comparison-head{background:var(--soft);font-weight:800}.step-stack{display:grid;gap:22px}.step-stack article{padding-bottom:20px;border-bottom:1px solid var(--line)}.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.device-grid ul,.plain-list{padding-left:20px;color:var(--muted)}.device-grid li+li,.plain-list li+li{margin-top:8px}.guide-list{display:grid;gap:22px}.guide-list article{display:grid;grid-template-columns:280px 1fr;gap:24px;border-bottom:1px solid var(--line);padding-bottom:22px}.guide-list img{border-radius:18px;width:100%;aspect-ratio:1.5/1;object-fit:cover}.guide-list h2{font-size:1.55rem;margin:.1em 0 .35em}.guide-list p{color:var(--muted)}
.faq-list{display:grid;gap:12px}.faq-item{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}.faq-item h3{margin:0}.faq-question{width:100%;border:0;background:transparent;text-align:left;padding:18px 20px;font-weight:800;color:var(--ink);display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer}.faq-question span{color:var(--primary);font-size:1.35rem}.faq-answer{padding:0 20px 18px}.faq-answer p{margin:0;color:var(--muted)}.js .faq-answer{display:none}.js .faq-item.is-open .faq-answer{display:block}.search-page{padding-top:48px}.search-form.inline{margin-top:22px}.search-results{display:grid;gap:16px}.search-results article{padding:20px;border:1px solid var(--line);border-radius:16px;background:#fff}.search-results h2{font-size:1.3rem;margin:0 0 6px}.search-results p{color:var(--muted);margin:0}.result-count{font-weight:800;color:var(--muted)}.empty-state{text-align:center;padding:38px;border:1px dashed var(--secondary);border-radius:18px;background:#fff}.empty-state h2{margin-top:0}.not-found{padding:100px 0}.not-found .narrow{text-align:center}.error-code{font-size:5rem;font-weight:900;color:var(--secondary);margin:0}.not-found h1{font-size:clamp(2rem,5vw,4rem);line-height:1.1;margin:.1em 0 .35em}.center{justify-content:center}
.site-footer{background:#2B2528;color:#e9e2e4;padding:58px 0 24px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:34px}.site-footer h2{font-size:1rem;color:#fff;margin:0 0 14px}.site-footer p{color:#cfc3c6;margin:0}.site-footer nav{display:flex;flex-direction:column;gap:8px}.site-footer a{color:#e6d9dc}.footer-bottom{border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:22px;display:flex;justify-content:space-between;gap:24px;align-items:center}.footer-bottom p{font-size:.88rem}.back-top{white-space:nowrap}
code{background:#f3e6e5;padding:2px 6px;border-radius:6px}.section p{max-width:80ch}.section p+p{margin-top:1em}
@media (max-width:1100px){.site-nav{gap:0}.site-nav a{padding:9px 7px;font-size:.84rem}.search-trigger{padding:9px 10px}.intent-grid{grid-template-columns:repeat(3,1fr)}.topic-grid{grid-template-columns:repeat(2,1fr)}.scenario-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:900px){.header-inner{flex-wrap:wrap;padding:12px 0}.nav-toggle{display:inline-flex;margin-left:auto}.search-trigger{order:2}.site-nav{order:3;width:100%;display:none;flex-direction:column;align-items:stretch;border-top:1px solid var(--line);padding-top:10px}.site-nav.is-open{display:flex}.site-nav a{padding:11px 10px}.hero{padding-top:48px}.hero-grid,.page-hero-grid,.split-grid,.editorial-grid{grid-template-columns:1fr;gap:34px}.hero-media{max-width:760px}.reverse-mobile>img{order:2}.intent-grid,.device-grid{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr 1fr}.guide-list article{grid-template-columns:220px 1fr}}
@media (max-width:680px){body{font-size:16px}.container{width:min(100% - 28px,var(--max))}.brand small{display:none}.search-trigger{font-size:.86rem}.search-modal{padding:12px}.search-modal__panel{padding:28px 20px}.search-row{flex-direction:column}.hero-copy h1,.page-hero h1{font-size:2.3rem}.hero-actions{flex-direction:column}.button{width:100%}.intent-grid,.topic-grid,.device-grid,.scenario-grid,.principles,.link-panels{grid-template-columns:1fr}.section{padding:58px 0}.guide-list article{grid-template-columns:1fr}.comparison-table{overflow-x:auto}.comparison-table>div{min-width:660px}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;align-items:flex-start}.numbered-list article,.step-stack article{grid-template-columns:42px 1fr}.numbered-list article>span,.step-stack article>span{width:38px;height:38px}.editorial-band img{aspect-ratio:1.3/1}}
@media (max-width:420px){.header-inner{gap:10px}.brand strong{font-size:1rem}.brand img{width:38px;height:38px}.search-trigger{width:100%;order:4}.nav-toggle{margin-left:auto}.hero-copy h1,.page-hero h1{font-size:2rem}.hero{padding-top:36px}.page-hero{padding-top:34px}.section-heading h2,.section h2{font-size:1.75rem}.intent-card__body,.link-panels article,.scenario-grid article,.device-grid article{padding:18px}.search-modal__panel{margin-top:10vh}}