:root{--bg:#F8F6F1;--surface:#FFFFFF;--surface-soft:#F1ECE3;--surface-accent:#FFF0DC;--ink:#252B30;--text:#424B50;--muted:#68747A;--brand:#A94B16;--brand-hover:#873A10;--brand-soft:#FCE4CE;--blue:#32556A;--line:#DEDCD5;--footer-bg:#222C33;--footer-text:#F6F3EE}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.75 system-ui,-apple-system,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif}img{max-width:100%;height:auto;object-fit:contain;object-position:center;display:block}a{color:var(--blue);text-underline-offset:4px}a:hover{color:var(--brand)}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--brand);outline-offset:3px}button,input{font:inherit}button{cursor:pointer}h1,h2,h3{color:var(--ink);line-height:1.35;letter-spacing:-.02em}h1{font-size:clamp(28px,3vw,38px);line-height:1.25;margin:0 0 22px}h2{font-size:clamp(22px,2.2vw,28px);margin:0 0 18px}h3{font-size:19px;margin:0 0 12px}p{margin:0 0 17px}small,.eyebrow{font-size:13px}.eyebrow{color:var(--brand);font-weight:750;letter-spacing:.13em;margin-bottom:14px}.wrap{width:min(1152px,calc(100% - 40px));margin-inline:auto}.main-area{padding:24px 0 72px}.site-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}.topbar{height:64px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:inline-flex;align-items:center;text-decoration:none;color:var(--ink);font-size:22px;font-weight:800}.brand-img{height:31px;width:auto;max-width:190px}.top-actions{display:flex;gap:10px;align-items:center}.utility{padding:7px 9px;text-decoration:none;color:var(--text);font-size:14px}.icon-btn{min-width:44px;min-height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);padding:7px 12px;font-size:14px;font-weight:650}.icon-btn:hover{border-color:var(--brand);background:var(--surface-accent)}.icon-btn:active,.btn:active{transform:translateY(1px)}.nav-band{border-top:1px solid var(--line)}.nav-links{display:flex;gap:27px;overflow:auto;scrollbar-width:thin}.nav-links a{font-size:14px;white-space:nowrap;padding:12px 0 11px;text-decoration:none;color:var(--text);border-bottom:3px solid transparent}.nav-links a.active{border-color:var(--brand);font-weight:750;color:var(--ink)}.skip{position:fixed;z-index:100;left:10px;top:-100px;padding:10px;background:#fff}.skip:focus{top:10px}.crumbs{font-size:13px;display:flex;gap:10px;align-items:center;margin:0 0 30px;color:var(--muted)}.crumbs a{color:var(--blue)}.hero{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:42px;align-items:center;padding:35px 0 22px}.hero-intro{font-size:17px;max-width:57ch}.hero-picture,.picture-wrap{background:var(--surface-soft);padding:14px;border:1px solid var(--line);border-radius:16px}.hero-picture img{width:100%}.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn{display:inline-flex;min-height:44px;align-items:center;justify-content:center;text-decoration:none;border-radius:9px;padding:9px 19px;font-size:15px;font-weight:700;border:1px solid var(--brand);background:var(--brand);color:#fff}.btn:hover{background:var(--brand-hover);color:white}.btn.secondary{background:transparent;color:var(--brand)}.btn.secondary:hover{background:var(--brand-soft)}section.block{margin-block:56px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}.section-head p{max-width:540px}.section-head a{white-space:nowrap;font-weight:700}.path-row{display:flex;flex-wrap:wrap;gap:12px}.path-row a{border:1px solid var(--line);border-radius:9px;background:var(--surface);padding:12px 18px;min-height:44px;text-decoration:none;font-weight:650}.feature{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:center;margin-block:42px}.feature.reverse .picture-wrap{order:2}.feature p{max-width:65ch}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.cards.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:24px;min-width:0}.card.soft{background:var(--surface-accent)}.card.blue{background:#E8EEF0}.card a.more{display:inline-flex;min-height:44px;align-items:center;font-weight:700}.card p:last-child{margin-bottom:0}.page-lead{max-width:760px;margin-bottom:30px}.page-lead p{font-size:17px}.page-visual{max-width:640px;margin:0 0 33px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:56px;align-items:start}.prose{max-width:760px}.prose h2{margin-top:38px}.prose p{margin-bottom:19px}.prose ul,.prose ol{padding-left:24px}.aside-note{background:var(--surface-accent);border-left:4px solid var(--brand);padding:22px;border-radius:0 12px 12px 0;position:sticky;top:150px}.aside-note a{display:block;margin:8px 0}.segment{padding:22px 0;border-bottom:1px solid var(--line)}.segment:last-child{border-bottom:0}.number{color:var(--brand);font-weight:800;font-size:14px}.timeline{border-left:2px solid #C7B4A2;margin-left:10px;padding-left:30px}.timeline .segment{position:relative}.timeline .segment:before{content:'';position:absolute;left:-39px;top:28px;width:14px;height:14px;background:var(--brand);border:3px solid var(--bg);border-radius:50%}.data-table{border-collapse:collapse;width:100%;margin:20px 0 30px}.data-table th,.data-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.data-table th{background:var(--surface-soft);color:var(--ink)}.faq-list details{padding:19px 0;border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;font-weight:750;color:var(--ink);font-size:18px}.faq-list details p{padding-top:12px;max-width:760px}.tag{display:inline-block;border-radius:6px;padding:3px 9px;background:var(--brand-soft);font-size:13px;color:var(--brand);font-weight:750}.site-footer{background:var(--footer-bg);color:var(--footer-text);padding:48px 0 22px}.footer-grid{display:grid;grid-template-columns:2fr repeat(3,minmax(0,1fr));gap:38px}.site-footer h2{color:var(--footer-text);font-size:16px}.site-footer a{display:block;color:#E8ECED;font-size:14px;text-decoration:none;margin:8px 0}.site-footer a:hover{text-decoration:underline}.footer-brand{font-weight:850;font-size:23px;margin-bottom:14px}.footer-brand span{font-size:14px;letter-spacing:.07em}.footer-end{margin-top:40px;padding-top:18px;border-top:1px solid #536069;font-size:13px;display:flex;justify-content:space-between}.footer-end a{margin:0}.overlay{position:fixed;inset:0;background:#15232B9C;z-index:29;visibility:hidden;opacity:0;pointer-events:none;transition:opacity .16s}.overlay.show{visibility:visible;opacity:1;pointer-events:auto}.panel{position:fixed;z-index:30;background:#fff;border:1px solid var(--line);box-shadow:0 12px 35px #1A252B22;border-radius:14px;visibility:hidden;opacity:0;pointer-events:none;transition:opacity .16s}.panel.open{visibility:visible;opacity:1;pointer-events:auto}.menu-panel{width:min(400px,calc(100vw - 32px));right:16px;top:73px;max-height:72dvh;display:flex;flex-direction:column}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:13px 18px;border-bottom:1px solid var(--line)}.panel-head h2{margin:0;font-size:20px}.panel-scroll{overflow-y:auto;padding:12px 21px 20px}.menu-group{margin:12px 0 20px}.menu-group h2{font-size:14px;color:var(--brand);margin-bottom:6px}.menu-group a{display:block;padding:8px 4px;color:var(--text);text-decoration:none;min-height:44px}.menu-group a:hover{color:var(--brand)}.search-panel{width:min(550px,calc(100vw - 32px));top:9dvh;left:50%;transform:translateX(-50%);padding-bottom:16px;max-height:80dvh;display:flex;flex-direction:column}.search-panel label{margin:12px 20px 5px;font-size:14px}.search-panel input{margin:5px 20px 12px;padding:12px 14px;border:1px solid #A2AAB0;border-radius:9px;min-height:44px}.search-results{overflow:auto;padding:0 20px}.search-results a{display:block;min-height:53px;padding:7px 10px;text-decoration:none;border-bottom:1px solid var(--line)}.search-results strong,.search-results small{display:block}.search-results small{color:var(--muted)}.search-results [hidden]{display:none}.search-panel #noResults{margin:12px 20px}.dialog-open{overflow:hidden}.mobile-bottom{display:none}.art-fallback{min-height:230px;display:grid;place-items:center;background:var(--surface-soft);border-radius:10px;color:var(--blue)}.app-device{width:min(260px,100%);margin:auto}.app-device img{width:100%}.banner-image img{width:100%;max-height:240px;object-fit:contain}.banner-image{margin-bottom:30px}.mini-links{display:flex;gap:20px;flex-wrap:wrap;padding:15px 0}.muted{color:var(--muted)}
@media(max-width:1023px){.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:minmax(0,1fr)}.aside-note{position:static}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:767px){body{font-size:15px}.wrap{width:calc(100% - 32px)}.topbar{height:58px}.brand{font-size:19px}.brand-img{height:28px;max-width:160px}.nav-band,.top-actions .utility{display:none}.top-actions{gap:6px}.icon-btn{padding:7px 9px}.main-area{padding:24px 0 48px}.hero,.feature{grid-template-columns:minmax(0,1fr);gap:18px}.hero{padding-top:14px}.feature.reverse .picture-wrap{order:0}.hero-intro,.page-lead p{font-size:15px}.cards,.cards.two{grid-template-columns:minmax(0,1fr)}section.block{margin-block:34px}.section-head{display:block}.section-head a{display:inline-block;margin-top:5px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.footer-grid>div:first-child{grid-column:1/-1}.site-footer{padding-bottom:calc(88px + env(safe-area-inset-bottom))}.footer-end{display:block}.mobile-bottom{position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--line);display:flex;z-index:18;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{flex:1;text-align:center;min-height:54px;display:grid;place-items:center;color:var(--ink);text-decoration:none;font-weight:650}.mobile-bottom a[aria-current]{color:var(--brand);border-top:3px solid var(--brand)}.menu-panel{top:67px}.page-visual{max-width:100%}.data-table{font-size:14px}.data-table th,.data-table td{padding:10px 8px;overflow-wrap:anywhere}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}

/* Image and text containment safeguards */
main,section,article,aside,.wrap,.card,.feature>*,.hero>*{min-width:0;max-width:100%}
img{max-width:100%;height:auto;object-fit:contain;object-position:center}
.hero-picture,.picture-wrap,.banner-image,.app-device{min-width:0;overflow:visible}
.picture-wrap img{width:auto;max-width:100%;height:auto;margin-inline:auto}
.page-visual{width:min(100%,520px);max-width:520px}
.hero-picture img{max-width:100%;height:auto}
.app-device{max-width:260px}.app-device img{max-width:100%;height:auto}
.prose,.page-lead,.card,.aside-note,.faq-list{overflow-wrap:break-word;word-break:normal}
@media(max-width:767px){.app-device{max-width:220px}.page-visual{width:100%;max-width:100%}.feature,.hero,.cards,.cards.two,.article-layout{grid-template-columns:minmax(0,1fr)}}