:root{
  --paper:#F4F1E8;--paper-2:#ECE8DD;--white:#FFFDF7;--ink:#111111;--text:#1D1D1D;--muted:#62605B;--soft:#89867E;
  --acid:#D7FF32;--acid-2:#B9F227;--blue:#2457FF;--orange:#FF5938;--dark:#161616;--line:rgba(17,17,17,.22);--strong:rgba(17,17,17,.72);
  --shadow:0 16px 36px rgba(30,28,22,.08);--max:1280px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;line-height:1.78;overflow-x:hidden}body.drawer-open{overflow:hidden}a{color:inherit}img{max-width:100%;height:auto;display:block}button,input,textarea,select{font:inherit}
.site-header{position:sticky;top:0;width:100%;z-index:9999;background:rgba(244,241,232,.96);border-bottom:1px solid var(--strong)}
.header-inner{max-width:var(--max);margin:0 auto;min-height:72px;padding:0 22px;display:flex;align-items:center;justify-content:space-between;gap:24px}.site-logo{display:flex;align-items:center;flex:0 0 auto}.site-logo img{max-height:44px;width:auto}.nav-core{display:flex;align-items:center;gap:24px;margin-left:auto}.nav-core a{text-decoration:none;padding:8px 2px;border-bottom:2px solid transparent;font-weight:650;white-space:nowrap}.nav-core a:hover,.nav-core a.active{border-bottom-color:var(--ink)}.header-actions{display:flex;align-items:center;gap:12px}.main-btn,.secondary-btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 18px;text-decoration:none;border:1px solid var(--ink);border-radius:4px;font-weight:750;transition:.18s ease}.main-btn{background:var(--ink);color:#fff}.main-btn:hover{background:var(--acid);color:var(--ink)}.secondary-btn{background:transparent;color:var(--ink)}.secondary-btn:hover{background:var(--ink);color:#fff}.compact-btn{min-height:42px;padding:8px 15px}.menu-toggle{width:42px;height:42px;border:0;background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer}.menu-toggle span{display:block;height:2px;background:var(--ink)}.menu-toggle span:nth-child(1){width:24px}.menu-toggle span:nth-child(2){width:18px}.menu-toggle span:nth-child(3){width:27px}.mobile-menu-toggle{display:none}
.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:10000;opacity:0;pointer-events:none;transition:.2s}.site-drawer{position:fixed;top:0;right:0;width:min(520px,88vw);height:100vh;background:var(--dark);color:#fff;z-index:10001;transform:translateX(102%);transition:transform .25s ease;padding:24px 28px 34px;overflow-y:auto}.drawer-open .drawer-overlay{opacity:1;pointer-events:auto}.drawer-open .site-drawer{transform:translateX(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.22);padding-bottom:18px;margin-bottom:14px}.drawer-head strong{font-size:28px}.drawer-close{border:1px solid rgba(255,255,255,.5);background:transparent;color:#fff;font-size:28px;width:44px;height:44px;line-height:1;cursor:pointer}.drawer-nav{display:grid}.drawer-nav a{display:grid;grid-template-columns:44px 1fr;align-items:center;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.14);text-decoration:none;font-size:clamp(20px,3vw,32px);font-weight:750}.drawer-nav a span{font-size:12px;color:var(--acid);letter-spacing:.12em}.drawer-nav a:hover,.drawer-nav a.active{color:var(--acid)}.drawer-note{color:#c9c7bf;font-size:14px;margin:26px 0 0}
main{min-height:60vh}.wrap{max-width:var(--max);margin:0 auto;padding-left:22px;padding-right:22px}.section{padding-top:clamp(76px,8vw,126px);padding-bottom:clamp(76px,8vw,126px)}.section.tight{padding-top:56px;padding-bottom:56px}.section-border{border-top:1px solid var(--ink)}.section-dark{background:var(--dark);color:#f6f3ea}.section-blue{background:#E5EAFF}.section-acid-soft{background:#F1F8C9}.section-paper2{background:var(--paper-2)}.section-white{background:var(--white)}
.eyebrow,.section-kicker{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}.section-index{color:var(--blue);font-weight:800}.accent-label{display:inline-block;background:var(--acid);color:var(--ink);padding:3px 8px;font-size:12px;font-weight:800;letter-spacing:.08em}.orange-label{background:var(--orange);color:#fff}.blue-label{background:var(--blue);color:#fff}.big-title,h1,h2,h3{color:var(--ink);margin-top:0}.section-dark h1,.section-dark h2,.section-dark h3{color:#fff}.big-title{font-size:clamp(50px,9.3vw,118px);line-height:.9;letter-spacing:-.05em;margin:18px 0 22px;font-weight:850}.section-title{font-size:clamp(34px,5vw,58px);line-height:1.05;letter-spacing:-.035em;margin:12px 0 20px}.sub-title{font-size:clamp(24px,3vw,34px);line-height:1.15;letter-spacing:-.02em}.lead{font-size:clamp(18px,2vw,22px);line-height:1.75;max-width:760px}.muted{color:var(--muted)}.section-dark .muted{color:#bbb8ae}.text-link{color:var(--blue);text-decoration-thickness:1px;text-underline-offset:4px;font-weight:700}.section-dark .text-link{color:var(--acid)}
.hero{padding:clamp(48px,6vw,92px) 0 68px}.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:22px;align-items:start}.hero-copy{grid-column:span 6}.hero-visual{grid-column:7 / -1;position:relative}.hero-visual img,.content-img,.poster-img{width:100%;height:auto;object-fit:contain;border:1px solid var(--ink);background:var(--white)}.hero-meta{display:flex;gap:14px;align-items:center;flex-wrap:wrap;border-top:1px solid var(--ink);padding-top:12px;font-size:12px;font-weight:800;letter-spacing:.12em}.hero-number{font-size:clamp(52px,7vw,100px);line-height:1;color:var(--blue);font-weight:850;position:absolute;left:-28px;bottom:-32px;background:var(--paper);padding:4px 10px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.hero-points{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink);margin-top:32px}.hero-points span{padding:12px 8px 4px 0;border-right:1px solid var(--line);font-weight:700}.hero-points span:last-child{border-right:0;padding-left:12px}
.info-band{border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}.info-band-grid{display:grid;grid-template-columns:repeat(4,1fr)}.info-band article{padding:26px 22px 30px;border-right:1px solid var(--ink)}.info-band article:first-child{padding-left:0}.info-band article:last-child{border-right:0;padding-right:0}.info-band b{display:block;color:var(--blue);font-size:14px;margin-bottom:8px}.info-band h2{font-size:24px;margin:0 0 9px}.info-band p{margin:0;font-size:15px;color:var(--muted)}
.index-grid{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--ink)}.index-item{display:grid;grid-template-columns:74px 1fr auto;gap:16px;align-items:center;padding:20px 0;border-bottom:1px solid var(--ink)}.index-item:nth-child(odd){padding-right:28px;border-right:1px solid var(--ink)}.index-item:nth-child(even){padding-left:28px}.index-item .num{color:var(--blue);font-weight:800}.index-item h3{margin:0;font-size:22px}.index-item p{margin:3px 0 0;color:var(--muted);font-size:14px}.index-item a{color:var(--blue);font-weight:750;text-decoration:none}
.editorial-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,5vw,72px);align-items:start}.editorial-grid.reverse{grid-template-columns:.82fr 1.18fr}.editorial-grid.reverse .media-col{order:2}.editorial-grid.reverse .copy-col{order:1}.copy-col p{margin:0 0 18px}.feature-list{border-top:1px solid var(--ink);margin-top:26px}.feature-row{display:grid;grid-template-columns:56px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--ink)}.feature-row b{color:var(--blue)}.feature-row p{margin:4px 0 0;color:var(--muted)}.section-dark .feature-list,.section-dark .feature-row{border-color:rgba(255,255,255,.32)}.section-dark .feature-row p{color:#c7c3b9}.section-dark .feature-row b{color:var(--acid)}
.split-zone{display:grid;grid-template-columns:1.06fr .94fr}.zone{padding:clamp(34px,5vw,62px);border:1px solid var(--ink);margin-right:-1px}.zone.dark{background:var(--dark);color:#f5f1e8}.zone.dark h2,.zone.dark h3{color:#fff}.zone img{margin:24px 0;border:1px solid currentColor}.zone ul{padding-left:18px}.zone li{margin:7px 0}.zone .plain-links{display:flex;gap:16px;flex-wrap:wrap;margin-top:20px}.zone .plain-links a{color:var(--blue);font-weight:750}.zone.dark .plain-links a{color:var(--acid)}
.tri-grid{display:grid;grid-template-columns:1.1fr .8fr 1fr;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}.tri-grid article{padding:30px;border-right:1px solid var(--ink)}.tri-grid article:first-child{padding-left:0}.tri-grid article:last-child{border-right:0;padding-right:0}.date-list{margin-top:24px}.date-line{display:grid;grid-template-columns:64px 1fr;gap:14px;padding:12px 0;border-top:1px solid var(--line)}.date-line strong{color:var(--orange)}
.safety-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:34px}.safety-card{border-top:1px solid rgba(255,255,255,.5);padding-top:18px}.safety-card img{border:1px solid rgba(255,255,255,.45);margin:18px 0}.safety-card ul{padding-left:20px}.safety-card li{margin:8px 0}
.review-layout{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid var(--ink)}.review{padding:26px 28px;border-bottom:1px solid var(--ink);min-height:190px}.review:nth-child(odd){border-right:1px solid var(--ink)}.review:nth-child(3n){background:#F1F8C9}.review:nth-child(4n){background:#E5EAFF}.review .quote{font-size:38px;line-height:1;color:var(--blue);font-weight:900}.review p{font-size:17px;margin:12px 0 0}
.faq-list{border-top:1px solid var(--ink)}.faq-item{border-bottom:1px solid var(--ink)}.faq-question{width:100%;border:0;background:transparent;text-align:left;display:grid;grid-template-columns:64px 1fr 26px;align-items:center;gap:12px;padding:22px 0;cursor:pointer;color:var(--ink);font-weight:800;font-size:18px}.faq-question .num{color:var(--blue)}.faq-answer{padding:0 44px 22px 76px}.faq-answer p{margin:0;color:var(--muted)}.js .faq-answer{display:none}.js .faq-item.is-open .faq-answer{display:block}.faq-question .plus{font-size:22px}.faq-item.is-open .plus{transform:rotate(45deg)}
.notice-strip{border:1px solid var(--ink);padding:24px;display:grid;grid-template-columns:170px 1fr;gap:26px;align-items:start}.notice-strip strong{font-size:20px}.notice-strip p{margin:0}.big-word{font-size:clamp(54px,12vw,164px);font-weight:900;line-height:.78;letter-spacing:-.07em;opacity:.08;white-space:nowrap;overflow:hidden}
.inner-hero{padding:clamp(58px,7vw,104px) 0 50px;border-bottom:1px solid var(--ink)}.inner-hero-grid{display:grid;grid-template-columns:1fr .88fr;gap:48px;align-items:end}.inner-hero h1{font-size:clamp(48px,8vw,100px);line-height:.94;letter-spacing:-.05em;margin:16px 0 20px}.inner-hero p{font-size:18px;max-width:720px}.inner-hero img{border:1px solid var(--ink);width:100%;height:auto}.inner-meta{display:flex;gap:14px;flex-wrap:wrap;font-size:12px;font-weight:800;letter-spacing:.12em}.inner-meta span:first-child{color:var(--blue)}
.content-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:60px}.article-copy h2{font-size:clamp(30px,4vw,46px);line-height:1.08;margin:42px 0 16px}.article-copy h2:first-child{margin-top:0}.article-copy h3{font-size:24px;margin:30px 0 12px}.article-copy p{margin:0 0 18px}.article-copy ul{padding-left:20px}.article-copy li{margin:8px 0}.side-index{position:sticky;top:104px;border-top:1px solid var(--ink)}.side-index a,.side-index div{display:block;padding:13px 0;border-bottom:1px solid var(--line);text-decoration:none}.side-index b{color:var(--blue);display:inline-block;width:42px}.section-dark .side-index{border-color:#fff}.section-dark .side-index a,.section-dark .side-index div{border-color:rgba(255,255,255,.25)}
.timeline{border-left:1px solid var(--ink);margin-left:20px}.timeline-item{position:relative;padding:0 0 34px 34px}.timeline-item:before{content:"";position:absolute;left:-5px;top:8px;width:9px;height:9px;background:var(--blue);border:1px solid var(--ink)}.timeline-item time{font-size:12px;font-weight:800;letter-spacing:.1em;color:var(--orange)}.timeline-item h3{margin:5px 0 8px}.timeline-item p{margin:0;color:var(--muted)}
.number-steps{counter-reset:step}.number-step{display:grid;grid-template-columns:100px 1fr;gap:20px;padding:26px 0;border-top:1px solid var(--ink)}.number-step:before{counter-increment:step;content:"0" counter(step);font-size:48px;font-weight:900;color:var(--blue);line-height:1}.number-step h3{margin:0 0 8px}.number-step p{margin:0;color:var(--muted)}
.topic-directory{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}.topic-directory article{padding:24px;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink)}.topic-directory article:nth-child(3n){border-right:0}.topic-directory h3{font-size:24px}.topic-directory p{color:var(--muted)}
.service-table{border-top:1px solid var(--ink)}.service-row{display:grid;grid-template-columns:120px 1fr 150px;gap:20px;padding:20px 0;border-bottom:1px solid var(--ink);align-items:start}.service-row strong{color:var(--blue)}.service-row a{color:var(--blue);font-weight:750}
.app-showcase{display:grid;grid-template-columns:.8fr 1.2fr;gap:60px;align-items:center}.phone-frame{max-width:480px;margin:auto}.phone-frame img{border:1px solid var(--ink);background:var(--white);padding:12px}.app-capabilities{display:grid;grid-template-columns:repeat(2,1fr);border-top:1px solid var(--ink)}.app-capabilities article{padding:20px 22px 20px 0;border-bottom:1px solid var(--ink)}.app-capabilities article:nth-child(odd){border-right:1px solid var(--ink)}.app-capabilities article:nth-child(even){padding-left:22px}.app-capabilities b{color:var(--blue)}.app-capabilities p{margin:5px 0 0;color:var(--muted)}
.contact-flow{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}.contact-flow article{padding:22px;border-right:1px solid var(--ink)}.contact-flow article:first-child{padding-left:0}.contact-flow article:last-child{border-right:0;padding-right:0}.contact-flow b{color:var(--blue);font-size:28px}.contact-flow h3{margin:8px 0}.contact-flow p{margin:0;color:var(--muted)}
.site-footer{background:var(--ink);color:var(--paper);padding:72px 0 90px}.footer-inner{max-width:var(--max);padding:0 22px;margin:0 auto}.footer-kicker{color:var(--acid);font-size:12px;font-weight:800;letter-spacing:.14em}.footer-logo-text{font-size:clamp(64px,12vw,160px);line-height:.84;letter-spacing:-.07em;font-weight:900;margin:18px 0 30px}.footer-brand p{max-width:650px;color:#c9c5ba}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;border-top:1px solid rgba(255,255,255,.35);margin-top:40px;padding-top:30px}.footer-grid h3{color:var(--paper);font-size:15px}.footer-grid a{display:block;color:#f1eee5;text-decoration:none;padding:4px 0}.footer-grid a:hover{color:var(--acid)}.footer-grid p{font-size:13px;color:#aaa69c}.footer-bottom{display:flex;justify-content:space-between;gap:30px;border-top:1px solid rgba(255,255,255,.25);margin-top:40px;padding-top:20px;font-size:13px;color:#aaa69c}.mobile-bottom-nav{display:none}
@media(max-width:1020px){.nav-core{gap:14px}.nav-core a:nth-child(2),.nav-core a:nth-child(3){display:none}.editorial-grid,.editorial-grid.reverse,.inner-hero-grid,.content-grid,.app-showcase{grid-template-columns:1fr}.editorial-grid.reverse .media-col,.editorial-grid.reverse .copy-col{order:initial}.side-index{position:static}.tri-grid{grid-template-columns:1fr 1fr}.tri-grid article:last-child{grid-column:1/-1;border-top:1px solid var(--ink);border-right:0;padding-left:0}.contact-flow{grid-template-columns:repeat(2,1fr)}.contact-flow article:nth-child(2){border-right:0}.contact-flow article:nth-child(3){border-top:1px solid var(--ink);padding-left:0}.contact-flow article:nth-child(4){border-top:1px solid var(--ink)}.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){body{padding-bottom:62px}.header-inner{min-height:64px;padding:0 16px;gap:10px}.nav-core,.desktop-menu-toggle{display:none}.mobile-menu-toggle{display:flex;order:0}.site-logo{order:1;margin:auto}.site-logo img{max-height:36px;max-width:120px}.header-actions{order:2}.compact-btn{min-height:38px;padding:7px 11px;font-size:13px}.site-drawer{left:0;right:auto;transform:translateX(-102%);width:min(430px,90vw);padding:20px}.drawer-open .site-drawer{transform:translateX(0)}.wrap{padding-left:18px;padding-right:18px}.hero{padding-top:42px}.hero-grid{grid-template-columns:1fr}.hero-copy,.hero-visual{grid-column:auto}.hero-number{left:10px;bottom:-22px}.hero-points{grid-template-columns:1fr}.hero-points span{border-right:0;border-bottom:1px solid var(--line);padding:10px 0}.info-band-grid{grid-template-columns:repeat(2,1fr)}.info-band article{border-bottom:1px solid var(--ink);padding:20px}.info-band article:nth-child(2){border-right:0}.info-band article:nth-child(3){padding-left:0;border-bottom:0}.info-band article:nth-child(4){border-bottom:0}.index-grid,.split-zone,.safety-grid,.review-layout,.topic-directory,.app-capabilities{grid-template-columns:1fr}.index-item,.index-item:nth-child(odd),.index-item:nth-child(even){grid-template-columns:54px 1fr;padding:18px 0;border-right:0}.index-item>a{grid-column:2}.zone{margin:0 0 -1px}.tri-grid{grid-template-columns:1fr}.tri-grid article,.tri-grid article:first-child,.tri-grid article:last-child{grid-column:auto;border-right:0;border-top:0;border-bottom:1px solid var(--ink);padding:24px 0}.tri-grid article:last-child{border-bottom:0}.review,.review:nth-child(odd){border-right:0}.review{min-height:auto}.faq-question{grid-template-columns:48px 1fr 22px}.faq-answer{padding:0 10px 20px 48px}.notice-strip{grid-template-columns:1fr;gap:8px}.number-step{grid-template-columns:70px 1fr}.topic-directory article,.topic-directory article:nth-child(3n){border-right:0;padding:20px 0}.service-row{grid-template-columns:1fr;gap:6px}.app-capabilities article,.app-capabilities article:nth-child(odd),.app-capabilities article:nth-child(even){border-right:0;padding:18px 0}.contact-flow{grid-template-columns:1fr}.contact-flow article,.contact-flow article:first-child,.contact-flow article:last-child,.contact-flow article:nth-child(3){border-right:0;border-top:1px solid var(--ink);padding:20px 0}.contact-flow article:first-child{border-top:0}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.mobile-bottom-nav{position:fixed;z-index:9998;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(244,241,232,.98);border-top:1px solid var(--ink);min-height:58px}.mobile-bottom-nav a{display:flex;align-items:center;justify-content:center;text-decoration:none;font-weight:750;font-size:13px}.mobile-bottom-nav a.active{background:var(--acid)}.site-footer{padding-bottom:76px}.big-word{font-size:25vw}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}.info-band-grid{grid-template-columns:1fr}.info-band article,.info-band article:first-child,.info-band article:nth-child(3){border-right:0;border-bottom:1px solid var(--ink);padding:18px 0}.info-band article:last-child{border-bottom:0}.hero-actions{align-items:stretch}.hero-actions a{width:100%}}