:root{--primary:#E85D75;--accent:#D94A63;--orange:#F2A65A;--ink:#252833;--text:#34343C;--muted:#72727D;--bg:#FFF9F7;--soft:#F6F1F0;--white:#fff;--line:#eadfdd;--radius:18px;--shadow:0 14px 40px rgba(55,33,38,.08)}*{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","Microsoft YaHei",sans-serif;line-height:1.75}img{max-width:100%;height:auto;display:block}a{color:inherit}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}.narrow{width:min(820px,calc(100% - 40px))}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:16px;top:16px;background:#fff;padding:10px;z-index:100}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,249,247,.94);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.header-row{min-height:72px;display:flex;align-items:center;gap:22px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:20px}.brand img{width:38px;height:38px;object-fit:contain}.main-nav{display:flex;gap:6px;flex:1;justify-content:center}.main-nav a{padding:8px 10px;text-decoration:none;border-radius:10px;color:var(--muted);font-size:14px}.main-nav a:hover,.main-nav a.active{background:var(--soft);color:var(--ink)}.search-open,.menu-toggle{border:1px solid var(--line);background:#fff;border-radius:10px;padding:9px 12px}.menu-toggle{display:none}.brand-intro{padding:82px 0 48px}.center{text-align:center}.eyebrow{margin:0 0 10px;color:var(--accent);font-weight:700;letter-spacing:.08em;font-size:13px}.brand-intro h1,.page-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.15;margin:0 auto 20px;max-width:940px;color:var(--ink)}.lead,.page-hero p{max-width:820px;margin:0 auto 26px;color:var(--muted);font-size:18px}.hero-visual{width:min(920px,100%);margin:36px auto 24px;border-radius:28px;overflow:hidden;box-shadow:var(--shadow)}.hero-visual img{aspect-ratio:16/7;object-fit:cover;width:100%}.quick-strip{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden;text-align:left}.quick-strip a{padding:18px 22px;text-decoration:none;border-right:1px solid var(--line)}.quick-strip a:last-child{border-right:0}.quick-strip strong,.quick-strip span{display:block}.quick-strip span{font-size:14px;color:var(--muted);margin-top:4px}.section{padding:72px 0}.section.soft,.device-band{background:var(--soft)}.section-head{max-width:760px;margin-bottom:30px}.section-head h2,.section h2,.device-band h2{font-size:clamp(27px,3.2vw,40px);line-height:1.2;margin:0 0 14px;color:var(--ink)}.section-head p{color:var(--muted)}.entry-list{display:grid;gap:20px}.entry-list article{display:grid;grid-template-columns:220px 1fr;gap:26px;align-items:center;padding:18px;border-bottom:1px solid var(--line)}.entry-list img{width:220px;aspect-ratio:16/10;object-fit:cover;border-radius:14px}.text-link{color:var(--accent);font-weight:700;text-decoration-thickness:1px;text-underline-offset:4px}.device-band{padding:62px 0}.split,.feature-pair{display:grid;grid-template-columns:1.15fr .85fr;gap:54px;align-items:center}.split.reverse{grid-template-columns:.95fr 1.05fr}.split img,.feature-pair img{border-radius:20px;box-shadow:var(--shadow);width:100%;aspect-ratio:16/10;object-fit:cover}.link-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.link-row a{display:inline-flex;padding:11px 15px;border-radius:12px;background:var(--accent);color:#fff;text-decoration:none;font-weight:700}.link-row a:nth-child(even){background:var(--ink)}.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.steps li{display:flex;gap:16px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:16px}.steps span{width:40px;height:40px;border-radius:50%;background:var(--soft);display:grid;place-items:center;color:var(--accent);font-weight:800;flex:none}.steps h3{margin:0 0 8px;color:var(--ink)}.steps p{margin:0;color:var(--muted)}.steps.compact{grid-template-columns:1fr}.feature-pair{padding:10px 0}.compact-faq details,.faq-list details{border-bottom:1px solid var(--line);padding:17px 0}.compact-faq summary,.faq-list summary{cursor:pointer;font-weight:700;color:var(--ink)}.compact-faq p,.faq-list p{color:var(--muted)}.center-line{text-align:center;margin-top:26px}.check-list{padding-left:1.2em}.check-list li{margin:8px 0}.inner{padding:28px 0 70px}.breadcrumb ol{display:flex;gap:8px;list-style:none;padding:0;margin:0 0 28px;color:var(--muted);font-size:14px}.breadcrumb li:not(:last-child)::after{content:' / ';margin-left:8px}.breadcrumb a{text-decoration:none}.page-hero{padding:34px 0 42px;text-align:left}.page-hero h1{margin-left:0}.page-hero p{margin-left:0}.wide-image{border-radius:20px;margin:10px 0 34px;width:100%;aspect-ratio:16/7;object-fit:cover}.two-col,.three-notes,.guide-grid{display:grid;gap:18px}.two-col{grid-template-columns:repeat(2,1fr)}.three-notes{grid-template-columns:repeat(3,1fr)}.two-col article,.three-notes article,.guide-grid article{padding:24px;background:#fff;border:1px solid var(--line);border-radius:16px}.guide-grid{grid-template-columns:repeat(2,1fr)}.guide-grid h3{margin-top:0}.inset{padding:36px 0}.search-modal{position:fixed;inset:0;background:rgba(37,40,51,.45);z-index:100;display:grid;place-items:start center;padding-top:12vh}.search-modal[hidden]{display:none!important}.search-panel{position:relative;width:min(640px,calc(100% - 32px));background:#fff;padding:28px;border-radius:18px;box-shadow:var(--shadow)}.search-close{position:absolute;right:18px;top:14px;border:0;background:transparent;font-size:28px}.search-form,.search-page-form{display:flex;gap:10px}.search-form input,.search-page-form input{flex:1;min-width:0;padding:12px;border:1px solid var(--line);border-radius:10px}.search-form button,.search-page-form button{padding:12px 18px;border:0;background:var(--accent);color:#fff;border-radius:10px}.search-page-form{margin:18px 0 28px}.search-results article{padding:18px 0;border-bottom:1px solid var(--line)}.search-results h2{font-size:22px;margin-bottom:6px}.empty-note{padding:24px;background:var(--soft);border-radius:14px}.site-footer{background:var(--ink);color:#f6f1f0;padding:52px 0 22px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px}.site-footer h2{font-size:18px}.site-footer nav a{display:block;color:#ddd5d6;text-decoration:none;margin:8px 0}.footer-bottom{display:flex;justify-content:space-between;align-items:center;border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;color:#cfc5c7}.to-top{position:fixed;right:22px;bottom:22px;width:42px;height:42px;border:0;border-radius:50%;background:var(--accent);color:#fff;opacity:0;pointer-events:none;transition:.2s}.to-top.show{opacity:1;pointer-events:auto}@media(max-width:1000px){.main-nav{display:none;position:absolute;top:72px;left:20px;right:20px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px;box-shadow:var(--shadow);flex-direction:column}.main-nav.open{display:flex}.menu-toggle{display:block;margin-left:auto}.search-open{margin-left:0}.split,.feature-pair,.split.reverse{grid-template-columns:1fr}.three-notes{grid-template-columns:1fr}.entry-list article{grid-template-columns:170px 1fr}.entry-list img{width:170px}}@media(max-width:768px){.wrap,.narrow{width:min(100% - 28px,1160px)}.brand-intro{padding-top:48px}.quick-strip{grid-template-columns:1fr}.quick-strip a{border-right:0;border-bottom:1px solid var(--line)}.quick-strip a:last-child{border-bottom:0}.steps,.two-col,.guide-grid{grid-template-columns:1fr}.entry-list article{grid-template-columns:1fr;padding:16px 0}.entry-list img{width:100%}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid section{grid-column:1/-1}.header-row{gap:10px}.brand span{font-size:18px}.search-open{font-size:13px}}@media(max-width:480px){.footer-grid{grid-template-columns:1fr}.brand-intro h1,.page-hero h1{font-size:34px}.section{padding:50px 0}.search-open{padding:8px}.brand img{width:32px;height:32px}}.topic-tabs{display:flex;flex-wrap:wrap;gap:10px;margin:6px 0 22px;padding-bottom:18px;border-bottom:1px solid var(--line)}.topic-tabs a{display:inline-flex;padding:9px 13px;border:1px solid var(--line);border-radius:999px;background:#fff;text-decoration:none;color:var(--muted);font-weight:650}.topic-tabs a:hover,.topic-tabs a.active{background:var(--ink);border-color:var(--ink);color:#fff}.issue-list{display:grid;gap:18px}.issue-list article{padding:25px 28px;border:1px solid var(--line);border-radius:18px;background:#fff}.issue-list h3{margin:0 0 16px;font-size:22px;color:var(--ink)}.issue-list dl{display:grid;grid-template-columns:100px 1fr;gap:10px 18px;margin:0}.issue-list dt{font-weight:800;color:var(--accent)}.issue-list dd{margin:0;color:var(--muted)}.check-section{padding:28px 0;border-bottom:1px solid var(--line)}.check-section h2{margin:0 0 18px;color:var(--ink);font-size:28px}.task-list{list-style:none;padding:0;margin:0;display:grid;gap:10px}.task-list li{display:flex;gap:12px;align-items:flex-start;padding:13px 15px;background:#fff;border:1px solid var(--line);border-radius:12px}.task-list span{display:grid;place-items:center;width:26px;height:26px;flex:none;border-radius:50%;background:var(--soft);color:var(--accent);font-weight:800}.task-list p{margin:0}.editorial a:not(.text-link){color:var(--accent);text-underline-offset:3px}.feature-pair>div p+ p{margin-top:12px}@media(max-width:600px){.issue-list article{padding:20px}.issue-list dl{grid-template-columns:1fr;gap:4px}.issue-list dd{margin-bottom:10px}.topic-tabs{gap:7px}.topic-tabs a{font-size:13px;padding:8px 10px}}
