:root{--primary:#5B4BDB;--primary-soft:#8B7CF6;--deep:#1E1B2E;--bg:#F7F7FB;--surface:#fff;--surface-2:#EFEFFC;--text:#292734;--muted:#6F6B7A;--accent:#F05A7E;--line:#dedcf0;--shadow:0 18px 50px rgba(35,29,75,.08);--radius:24px;--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,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.75}img{max-width:100%;height:auto;display:block;border-radius:22px}a{color:inherit;text-decoration:none}a:hover{color:var(--primary)}button,input{font:inherit}.shell{width:min(var(--max),calc(100% - 40px));margin-inline:auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:100;background:#fff;color:var(--deep);padding:10px 14px;border-radius:10px;box-shadow:var(--shadow)}.skip-link:focus{top:16px}.site-header{position:sticky;top:0;z-index:50;background:rgba(247,247,251,.92);backdrop-filter:blur(18px);border-bottom:1px solid rgba(91,75,219,.09)}.header-inner{min-height:76px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.25rem;color:var(--deep)}.brand img{border-radius:12px}.primary-nav{display:flex;align-items:center;justify-content:center;gap:6px}.primary-nav a{padding:10px 13px;border-radius:999px;color:var(--muted);font-size:.95rem}.primary-nav a:hover,.primary-nav a[aria-current=page]{background:var(--surface-2);color:var(--primary)}.mini-search{display:flex;align-items:center;background:#fff;border:1px solid var(--line);border-radius:999px;padding:4px}.mini-search input{width:148px;border:0;outline:0;background:transparent;padding:8px 10px}.mini-search button{border:0;background:var(--primary);color:#fff;border-radius:999px;padding:8px 13px;cursor:pointer}.menu-toggle{display:none}.hero{display:grid;grid-template-columns:1.06fr .94fr;gap:64px;align-items:center;padding:88px 0 72px}.hero-copy h1,.page-hero h1{font-size:clamp(2.4rem,5vw,4.8rem);line-height:1.05;letter-spacing:-.04em;margin:12px 0 24px;color:var(--deep)}.lead{font-size:1.15rem;color:var(--muted);max-width:760px}.eyebrow{display:inline-block;color:var(--primary);font-weight:800;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase}.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.button{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:14px;font-weight:700;border:1px solid transparent}.button.primary{background:var(--primary);color:#fff}.button.primary:hover{background:#4938cf;color:#fff}.button.secondary{background:#fff;border-color:var(--line);color:var(--deep)}.hero-meta{display:flex;gap:10px;flex-wrap:wrap;padding:0;margin:28px 0 0;list-style:none}.hero-meta li,.tag-row span{background:var(--surface-2);color:var(--muted);padding:7px 10px;border-radius:999px;font-size:.85rem}.hero-media{margin:0;position:relative}.hero-media:before{content:"";position:absolute;inset:9% -5% -8% 8%;background:var(--surface-2);border-radius:36px;z-index:-1}.section-block{padding:76px 0}.intro-grid,.feature-story,.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}.section-heading{display:flex;flex-direction:column;align-items:flex-start;max-width:780px;margin-bottom:32px}.section-heading h2,.intro-grid h2,.feature-story h2,.split-grid h2{font-size:clamp(1.8rem,3vw,3rem);line-height:1.15;letter-spacing:-.025em;margin:10px 0 14px;color:var(--deep)}.section-heading p{margin:0;color:var(--muted)}.section-heading.compact{max-width:640px}.text-link{display:inline-block;margin-top:14px;color:var(--primary);font-weight:700}.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.card-grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.story-card{background:#fff;border:1px solid rgba(91,75,219,.11);border-radius:20px;padding:24px;box-shadow:0 10px 30px rgba(30,27,46,.04)}.story-card h3{font-size:1.2rem;line-height:1.35;margin:8px 0 10px;color:var(--deep)}.story-card p{margin:0;color:var(--muted)}.split-band,.soft-section{background:var(--surface-2)}.split-band{padding:70px 0}.tag-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.timeline{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.timeline article{padding:26px;border-top:3px solid var(--primary);background:#fff;border-radius:0 0 18px 18px}.timeline span{font-weight:900;color:var(--accent)}.timeline h3{margin:8px 0}.timeline p{margin:0;color:var(--muted)}.site-footer{margin-top:64px;padding:48px 0 28px;background:var(--deep);color:#f3f2fb}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:36px}.footer-grid p{color:#bcb8c9;max-width:620px}.footer-grid nav{display:flex;flex-wrap:wrap;gap:12px 20px;align-content:start;justify-content:flex-end}.footer-grid a{color:#ddd9ea}.footer-note{padding-top:24px;margin-top:28px;border-top:1px solid rgba(255,255,255,.12);color:#a9a4b6;font-size:.9rem}.page-hero{padding:82px 0 56px}.page-hero.narrow{max-width:880px}.together-hero,.video-hero,.app-hero,.guide-hero{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}.brand-panel{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;background:#fff;border-radius:28px;padding:46px;box-shadow:var(--shadow)}.quote-panel{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}.editorial-list{display:grid;gap:0;border-top:1px solid var(--line)}.editorial-item{display:grid;grid-template-columns:72px 1fr;gap:20px;padding:30px 0;border-bottom:1px solid var(--line)}.editorial-item .number{font-size:1.7rem;font-weight:900;color:var(--primary-soft)}.editorial-item h3{margin:6px 0 8px;font-size:1.3rem}.editorial-item p{margin:0 0 8px;color:var(--muted)}.editorial-item .detail{color:var(--text)}.reverse{direction:rtl}.reverse>*{direction:ltr}.compact-story{background:#fff;border-radius:24px;padding:34px}.notice{background:#fff7fa;border:1px solid #f7d6df;border-left:5px solid var(--accent);padding:22px 24px;border-radius:16px}.notice p{margin:6px 0 0}.index-layout{display:grid;grid-template-columns:220px 1fr;gap:48px;align-items:start}.index-side{position:sticky;top:102px;display:flex;flex-direction:column;gap:8px;background:#fff;padding:20px;border-radius:18px;border:1px solid var(--line)}.index-side a{padding:8px 10px;border-radius:10px;color:var(--muted)}.index-side a:hover{background:var(--surface-2);color:var(--primary)}.index-main{display:grid;gap:54px}.index-main section{scroll-margin-top:110px}.index-main h2{font-size:2rem;margin:8px 0 12px}.index-main p{color:var(--muted)}.link-stack{display:flex;flex-direction:column;gap:8px;margin-top:18px}.link-stack a{color:var(--primary);font-weight:700}.checklist{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.checklist>div{background:#fff;border-radius:20px;padding:26px;border:1px solid var(--line)}.step{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;font-weight:800}.checklist h2{font-size:1.22rem}.checklist p{color:var(--muted)}.prose-columns{display:grid;grid-template-columns:1fr 1fr;gap:28px}.prose-columns p{background:#fff;padding:24px;border-radius:18px;border:1px solid var(--line)}.faq-list{display:grid;gap:12px}.faq-list details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px 18px}.faq-list summary{cursor:pointer;font-weight:800;color:var(--deep)}.faq-list p{margin:12px 0 0;color:var(--muted)}.search-large label{display:block;font-weight:700;margin-bottom:8px}.search-large>div{display:flex;gap:10px}.search-large input{flex:1;min-width:0;border:1px solid var(--line);border-radius:14px;padding:13px 14px;background:#fff}.search-large button{border:0;border-radius:14px;background:var(--primary);color:#fff;padding:0 22px;font-weight:800;cursor:pointer}.empty-state{padding:48px;background:#fff;border:1px solid var(--line);border-radius:24px;text-align:center}.not-found{min-height:60vh;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}.not-found h1{font-size:clamp(2.4rem,5vw,4.5rem);margin:10px 0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}:focus-visible{outline:3px solid rgba(240,90,126,.45);outline-offset:3px}
@media(max-width:980px){.header-inner{grid-template-columns:auto auto 1fr}.menu-toggle{display:inline-flex;justify-self:end;border:1px solid var(--line);background:#fff;border-radius:12px;padding:9px 12px}.primary-nav{display:none;position:absolute;left:20px;right:20px;top:82px;background:#fff;padding:14px;border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.primary-nav.is-open{display:flex}.primary-nav a{padding:11px 12px}.mini-search{display:none}.hero,.together-hero,.video-hero,.app-hero,.guide-hero,.intro-grid,.feature-story,.split-grid,.brand-panel,.quote-panel{grid-template-columns:1fr}.hero{padding-top:54px}.hero-media{max-width:760px}.card-grid.three{grid-template-columns:repeat(2,minmax(0,1fr))}.timeline,.checklist{grid-template-columns:1fr}.index-layout{grid-template-columns:1fr}.index-side{position:static;flex-direction:row;flex-wrap:wrap}.footer-grid{grid-template-columns:1fr}.footer-grid nav{justify-content:flex-start}.reverse{direction:ltr}}
@media(max-width:680px){.shell{width:min(var(--max),calc(100% - 28px))}.header-inner{min-height:68px}.brand span{font-size:1.05rem}.hero{gap:34px;padding:40px 0 50px}.hero-copy h1,.page-hero h1{font-size:2.55rem}.page-hero{padding:52px 0 34px}.section-block{padding:52px 0}.split-band{padding:52px 0}.card-grid,.card-grid.three,.prose-columns{grid-template-columns:1fr}.editorial-item{grid-template-columns:50px 1fr}.brand-panel{padding:26px}.cta-row{flex-direction:column;align-items:stretch}.button{width:100%}.search-large>div{flex-direction:column}.search-large button{padding:12px 16px}.index-side{gap:4px}.index-side a{font-size:.9rem}.site-footer{margin-top:30px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}