:root{--ink:#172924;--muted:#63726b;--paper:#fffefa;--line:#dde3dc;--accent:#9b3d42;--soft:#f0f4ee;--warm:#bf6842}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--paper);font-family:Arial,'PingFang SC','Microsoft YaHei',sans-serif}button,input,select,textarea{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}img{max-width:100%;display:block}[hidden]{display:none!important}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #c17c4d;outline-offset:4px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.site-header{position:relative;z-index:40;height:90px;background:#fffefa;border-bottom:1px solid var(--line)}.site-header.on-hero{position:absolute;left:0;right:0;top:0;background:linear-gradient(#0f1d24b3,transparent);border:0;color:#fff}.header-inner{height:100%;display:flex;gap:25px;align-items:center;padding:0 4%}.brand{display:inline-flex;align-items:center;gap:9px;flex-shrink:0}.brand-mark{font-size:30px;line-height:1}.brand b{display:block;font-size:17px;letter-spacing:.06em;line-height:1}.brand small{display:block;font-size:8px;letter-spacing:.4em;margin-top:6px}.site-search{display:flex;align-items:center;border:1px solid #dce1d9;background:#fff;color:#26332b;border-radius:30px;min-width:210px;max-width:330px;flex:1;padding:5px 6px 5px 18px}.site-search input{border:0;background:none;min-width:0;width:100%;font-size:12px;min-height:34px;color:#27382e;outline-offset:3px}.site-search button{background:#933a40;color:white;width:36px;height:36px;border:0;border-radius:50%;flex-shrink:0;font-size:23px}.site-nav{display:flex;gap:20px;margin-left:auto;align-items:center}.site-nav a{font-size:12px;white-space:nowrap;display:inline-flex;align-items:center;min-height:44px}.site-nav a[aria-current]{color:var(--accent);box-shadow:inset 0 -1px var(--accent)}.on-hero .site-nav a[aria-current]{color:#fff;box-shadow:inset 0 -1px #fff}.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}.header-language{background:transparent;border:0;color:inherit;font-size:11px;min-height:42px;max-width:55px;cursor:pointer}.header-language option{color:#20342b;background:#fff}.header-plan{background:var(--accent);color:white;border-radius:28px;min-height:44px;display:inline-flex;align-items:center;padding:0 19px;font-size:12px;white-space:nowrap}.on-hero .header-plan{background:white;color:#70363a}.header-menu{display:none;align-items:center;justify-content:center;border:0;background:transparent;color:inherit;min-width:40px;min-height:44px;font-size:24px}.breadcrumbs{display:flex;gap:13px;align-items:center;padding:8px 4%;height:38px;border-bottom:1px solid #e8ece6;font-size:10px;color:#8b968e;background:#fffefa}.breadcrumbs a{color:#42584b;min-height:28px;display:flex;align-items:center}.breadcrumbs a:hover{text-decoration:underline}.site-footer{background:#203a31;color:#f5f7ed;padding:60px 5% 25px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:45px;padding-bottom:40px}.footer-brand>p{max-width:300px;font-size:13px;line-height:1.9;color:#b8c9b9}.footer-column h3{font-size:11px;font-weight:400;letter-spacing:.1em;color:#d2ddcf;margin:0 0 15px}.footer-column a{display:block;font-size:12px;line-height:1.6;padding:8px 0;overflow-wrap:anywhere;color:#bdcbbd}.footer-column a:hover{color:#fff}.footer-meta{display:flex;justify-content:space-between;gap:25px;border-top:1px solid #4c6657;padding-top:22px;font-size:10px;line-height:1.8;color:#9fb39d}.footer-meta>div{display:flex;gap:15px;flex-wrap:wrap}.footer-note{font-size:10px;color:#9fb39d;line-height:1.8;margin:15px 0 0}.chat-trigger{position:fixed;right:22px;bottom:22px;border:0;background:var(--accent);color:#fff;min-height:50px;border-radius:28px;padding:13px 19px;box-shadow:0 5px 20px #0b241a30;z-index:80;font-size:18px}.chat-trigger span{font-size:12px;margin-left:7px}.chat-panel{position:fixed;bottom:84px;right:22px;width:320px;max-height:calc(100dvh - 105px);overflow:auto;background:#fffefa;border:1px solid var(--line);box-shadow:0 12px 45px #0d211e30;z-index:81}.chat-head{display:flex;align-items:center;justify-content:space-between;background:#274436;color:#fff;padding:15px 18px}.chat-head b{font-size:15px}.chat-head small{display:block;font-size:10px;color:#c6d8c2;margin-top:5px}.chat-close{border:0;background:none;color:#fff;font-size:27px;min-width:38px;min-height:38px}.chat-body{padding:20px}.chat-body p{font-size:20px;line-height:1.5;margin:0 0 18px}.chat-body a,.wechat-copy{display:flex;align-items:center;min-height:46px;border:0;border-top:1px solid var(--line);padding:12px 0;font-size:12px;background:none;color:#314b3a;width:100%;text-align:left;overflow-wrap:anywhere}.chat-body details{font-size:11px}.chat-body summary{padding:12px 0;cursor:pointer}.chat-body details a{font-size:11px}.chat-body>small{display:block;color:#7c897a;font-size:10px;line-height:1.7;margin-top:15px}.inquiry-result{margin-top:20px;padding:20px;border:1px solid var(--line);background:#fffefa}.inquiry-result h3{font-size:21px;margin:0 0 10px}.inquiry-result p{font-size:13px;line-height:1.7}.inquiry-result pre{font:13px/1.8 inherit;white-space:pre-wrap;overflow-wrap:anywhere;background:#f0f4ec;padding:15px}.inquiry-result a.button{display:flex;min-height:48px;background:#263e32;color:white;align-items:center;padding:14px 18px;margin:8px 0;font-size:13px}.wf-button{display:inline-flex;align-items:center;justify-content:space-between;gap:25px;padding:15px 22px;background:var(--accent);color:white;font-size:13px;min-height:48px;border:0}.article-wrap{max-width:1040px;margin:auto}.on-hero+.breadcrumbs{display:none}
@media(max-width:1280px){.header-inner{gap:17px}.brand b{font-size:15px}.site-search{max-width:260px;min-width:170px}.site-nav{gap:15px}.site-nav a{font-size:11px}.header-actions{gap:8px}.header-plan{font-size:11px;padding:0 15px}}
@media(max-width:1100px){.site-search{display:none}.site-nav{margin-left:auto}.site-nav a{font-size:12px}.header-inner{gap:22px}.footer-grid{gap:25px}}
@media(max-width:850px){.site-header{height:76px}.site-nav{display:none;position:absolute;top:76px;left:0;right:0;padding:20px 5%;background:#fffefa;color:#263b2e;border-bottom:1px solid var(--line);box-shadow:0 10px 20px #14261c12;flex-direction:column;align-items:stretch;gap:0}.site-nav.open{display:flex}.site-nav a{font-size:15px;padding:8px 0;border-bottom:1px solid #e5eae2}.site-nav a[aria-current],.on-hero .site-nav a[aria-current]{color:var(--accent);box-shadow:none}.header-actions{margin-left:auto}.header-menu{display:flex}.header-inner{padding:0 5%;gap:15px}.footer-grid{grid-template-columns:1fr 1fr}.site-footer{padding-top:45px}}
@media(max-width:480px){.brand b{font-size:12px}.brand-mark{font-size:24px}.brand small{font-size:7px}.brand{gap:6px}.header-inner{gap:8px}.header-actions{gap:7px}.header-plan{padding:0 13px;font-size:10px;max-width:118px;white-space:normal;line-height:1.4}.header-language{max-width:45px;font-size:10px}.header-menu{min-width:30px;font-size:23px}.footer-grid{gap:25px 20px}.footer-brand{grid-column:1/-1}.footer-meta{display:block}.footer-meta>div{margin-top:14px}.chat-trigger{right:15px;bottom:15px;padding:13px 16px}.chat-panel{right:15px;bottom:76px;width:calc(100% - 30px);max-height:calc(100dvh - 92px)}.breadcrumbs{padding-left:5%;height:36px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
:where([data-placeholder]:not(input):not(option):not(select)){color:#823a21;background:#fff1de;border:1px dashed #c8874d;border-radius:5px;padding:.12em .35em;box-decoration-break:clone;-webkit-box-decoration-break:clone}

/* Locally hosted, licensed fonts; Chinese falls back to system typefaces. */
body{font-family:"DM Sans",-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
h1,h2{font-family:"Playfair Display",Georgia,"Songti SC",serif}

/* Small, consistent CTA feedback without requiring motion. */
:where(.section-button,.sx-button,.hero-main-button,.header-plan,.tp-generate){transition:background-color 150ms ease,color 150ms ease,box-shadow 150ms ease}
:where(.section-button,.sx-button,.hero-main-button,.header-plan,.tp-generate):hover{box-shadow:0 6px 16px #203b2c30}
@media(prefers-reduced-motion:reduce){:where(.section-button,.sx-button,.hero-main-button,.header-plan,.tp-generate){transition:none!important}}
body :is(.hero-primary,.section-button,.sx-button,.header-plan,.tp-generate){transition:background-color 150ms ease,color 150ms ease,box-shadow 150ms ease,transform 150ms ease}
body :is(.hero-primary,.section-button,.sx-button,.header-plan,.tp-generate):hover{box-shadow:0 6px 16px #203b2c30}
@media(prefers-reduced-motion:reduce){body :is(.hero-primary,.section-button,.sx-button,.header-plan,.tp-generate){transition:none!important}}

/* Serif editorial headings and DM Sans body, with native Chinese fallback. */
body :is(h1,h2){font-family:"Playfair Display",Georgia,"Songti SC",serif!important}
:lang(zh) body :is(h1,h2){font-family:"PingFang SC","Microsoft YaHei",sans-serif!important}

/* Customer mode hides all editorial placeholders, including dynamically rendered ones. */
html[data-show-placeholders="false"] [data-placeholder]{display:none!important}