:root{--primary:#E85D75;--primary-dark:#D94A63;--accent:#F2A65A;--ink:#252833;--text:#34343C;--muted:#72727D;--bg:#FFF9F7;--soft:#F6F1F0;--line:#E8DDDA;--white:#fff;--radius:18px;--shadow:0 16px 40px rgba(37,40,51,.08);--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","Microsoft YaHei",sans-serif;line-height:1.75}img{max-width:100%;height:auto;display:block}a{color:var(--primary-dark);text-decoration:none}a:hover{text-decoration:underline}.skip-link{position:absolute;left:-999px}.skip-link:focus{left:16px;top:16px;background:#fff;padding:10px;z-index:999}.site-header{position:sticky;top:0;z-index:50;background:rgba(255,249,247,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}.header-inner{max-width:var(--max);margin:auto;min-height:72px;padding:10px 22px;display:flex;align-items:center;gap:20px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);font-size:1.15rem}.brand img{border-radius:12px;object-fit:cover}.primary-nav{display:flex;gap:8px;flex:1}.primary-nav a{padding:8px 10px;color:var(--text);border-radius:10px}.primary-nav a.active,.primary-nav a[aria-current=page]{background:var(--soft);color:var(--primary-dark);font-weight:700}.search-open,.menu-toggle,.back-top,.btn,.search-row button{border:0;border-radius:999px;background:var(--primary-dark);color:#fff;padding:10px 16px;font-weight:700;cursor:pointer}.menu-toggle{display:none}.section{padding:64px 22px}.section.compact{padding-top:38px;padding-bottom:38px}.container{max-width:var(--max);margin:auto}.narrow{max-width:840px;margin:auto}.eyebrow{display:inline-flex;padding:5px 10px;border-radius:999px;background:#FCE4E8;color:var(--primary-dark);font-weight:800;font-size:.86rem}.hero-brand{padding:78px 22px 42px}.hero-center{max-width:860px;margin:auto;text-align:center}.hero-center h1{font-size:clamp(2.25rem,6vw,4.7rem);line-height:1.05;margin:18px 0;color:var(--ink)}.hero-center p{font-size:1.1rem;color:var(--muted);max-width:760px;margin:0 auto}.hero-visual{max-width:920px;margin:34px auto 0;overflow:hidden;border-radius:28px;box-shadow:var(--shadow)}.hero-visual img{width:100%;max-height:420px;object-fit:cover}.quick-band{max-width:var(--max);margin:0 auto;padding:0 22px 46px;display:grid;grid-template-columns:repeat(4,1fr);gap:1px}.quick-item{background:var(--white);padding:24px;border:1px solid var(--line)}.quick-item:first-child{border-radius:18px 0 0 18px}.quick-item:last-child{border-radius:0 18px 18px 0}.quick-item h2{font-size:1.02rem;margin:0 0 8px;color:var(--ink)}.quick-item p{font-size:.93rem;color:var(--muted);margin:0 0 12px}.split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}.split.reverse{grid-template-columns:.9fr 1.1fr}.split img{border-radius:24px;box-shadow:var(--shadow);width:100%;min-height:320px;object-fit:cover}.section.soft{background:var(--soft)}.section.dark{background:var(--ink);color:#f8f4f3}.section.dark h2,.section.dark h3{color:#fff}.section h2{font-size:clamp(1.55rem,3vw,2.4rem);line-height:1.2;color:var(--ink);margin:0 0 16px}.section-intro{color:var(--muted);max-width:760px}.text-list,.step-list,.link-list{margin:22px 0;padding:0;list-style:none}.text-list li,.step-list li{padding:16px 0;border-bottom:1px solid var(--line)}.step-list{counter-reset:step}.step-list li{display:grid;grid-template-columns:44px 1fr;gap:14px}.step-list li:before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;font-weight:800}.duo{display:grid;grid-template-columns:1fr 1fr;gap:24px}.info-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px}.info-panel h3{margin-top:0;color:var(--ink)}.topic-strip{display:grid;grid-template-columns:280px 1fr;gap:32px;align-items:center}.topic-strip img{border-radius:22px;width:100%;height:210px;object-fit:cover}.compact-index{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.compact-index a{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;color:var(--ink)}.breadcrumb{max-width:var(--max);margin:20px auto 0;padding:0 22px;color:var(--muted);font-size:.9rem}.breadcrumb ol{list-style:none;margin:0;padding:0;display:flex;gap:8px;flex-wrap:wrap}.breadcrumb li:not(:last-child):after{content:'›';margin-left:8px;color:#aaa}.page-head{padding:42px 22px 26px}.page-head .narrow{background:linear-gradient(180deg,#fff 0%,#FFF9F7 100%);border:1px solid var(--line);padding:34px;border-radius:24px}.page-head h1{font-size:clamp(2rem,4vw,3.3rem);line-height:1.12;margin:10px 0;color:var(--ink)}.lead{font-size:1.08rem;color:var(--muted)}.prose h2{margin-top:40px}.prose h3{margin-top:28px;color:var(--ink)}.prose p{margin:14px 0}.prose ul,.prose ol{padding-left:1.4em}.callout{border-left:4px solid var(--primary);background:#fff;border-radius:0 16px 16px 0;padding:18px 20px;margin:24px 0}.image-note{margin:28px 0}.image-note img{width:100%;max-height:360px;object-fit:cover;border-radius:22px}.caption{font-size:.88rem;color:var(--muted);margin-top:8px}.faq-list{display:grid;gap:12px}.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 18px}.faq-item summary{cursor:pointer;font-weight:800;padding:17px 0;color:var(--ink)}.faq-answer{padding:0 0 16px;color:var(--muted)}.search-results{display:grid;gap:14px}.search-result{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.search-result h2{font-size:1.2rem;margin:0 0 6px}.site-footer{background:#201F25;color:#ddd;padding:50px 22px 24px}.footer-grid{max-width:var(--max);margin:auto;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}.site-footer h2{font-size:1rem;color:#fff}.site-footer a{display:block;color:#eee;margin:6px 0}.footer-bottom{max-width:var(--max);margin:30px auto 0;padding-top:18px;border-top:1px solid #3b3941;display:flex;justify-content:space-between;gap:20px}.search-modal[hidden]{display:none!important}.search-modal{position:fixed;inset:0;z-index:100}.search-backdrop{position:absolute;inset:0;background:rgba(20,20,25,.58)}.search-dialog{position:relative;max-width:620px;margin:12vh auto;background:#fff;border-radius:22px;padding:30px;box-shadow:var(--shadow)}.search-close{position:absolute;right:16px;top:12px;border:0;background:transparent;font-size:28px;cursor:pointer}.search-row{display:flex;gap:10px;margin-top:10px}.search-row input{flex:1;min-width:0;padding:12px 14px;border:1px solid #ccc;border-radius:12px}.back-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;padding:0;display:none}.back-top.visible{display:block}@media(max-width:980px){.primary-nav{position:absolute;top:72px;left:0;right:0;background:var(--bg);padding:16px 22px;border-bottom:1px solid var(--line);display:none;flex-wrap:wrap}.primary-nav.open{display:flex}.menu-toggle{display:inline-block;margin-left:auto}.search-open{display:none}.quick-band{grid-template-columns:1fr 1fr}.quick-item:first-child,.quick-item:last-child{border-radius:18px}.split,.split.reverse,.topic-strip{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:680px){.section{padding:46px 16px}.header-inner{padding:9px 14px}.quick-band{padding:0 16px 32px;grid-template-columns:1fr}.duo,.compact-index,.footer-grid{grid-template-columns:1fr}.hero-brand{padding:52px 16px 30px}.page-head{padding:24px 16px 12px}.page-head .narrow{padding:24px}.search-dialog{margin:9vh 14px}.search-row{flex-direction:column}.footer-bottom{flex-direction:column}.split img{min-height:230px}.topic-strip img{height:220px}}@media(max-width:400px){.brand span{font-size:1rem}.menu-toggle{padding:8px 12px}.hero-center h1{font-size:2.25rem}}