:root{--orange:#e85d04;--orange-dark:#bc4700;--ink:#20242a;--muted:#69717b;--line:#e5e7eb;--surface:#f6f7f9;--soft-orange:#fff3e9}
*{box-sizing:border-box}body{margin:0;color:var(--ink);background:#fff;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible{outline:3px solid #ffb777;outline-offset:4px}button{cursor:pointer}img{display:block;max-width:100%}[hidden]{display:none!important}
.simple-header{min-height:76px;border-bottom:1px solid var(--line);background:#fff;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:14px max(24px,calc((100% - 1200px)/2));position:relative;z-index:10}.brand{flex-shrink:0}.brand img{width:auto;height:44px}.page-nav{display:flex;align-items:center;gap:23px;font-size:14px;font-weight:500}.page-nav a{white-space:nowrap}.page-nav a:hover,.page-nav a[aria-current=page]{color:var(--orange)}.lang-switch{display:flex;gap:7px;font-size:13px;align-items:center}.lang-switch button,.menu-toggle{border:0;background:transparent;padding:6px;color:var(--muted)}.lang-switch button[aria-pressed=true]{color:var(--orange);font-weight:700}.menu-toggle{display:none;font-size:22px}.header-controls{display:flex;align-items:center;gap:12px}
.message-main{background:linear-gradient(130deg,#fafbfc 0%,#fff 60%,#fff7f0 100%);padding:38px 24px 80px;min-height:calc(100vh - 160px)}.message-container{max-width:1120px;margin:auto}.breadcrumbs{font-size:13px;color:var(--muted);display:flex;gap:12px;margin-bottom:42px}.breadcrumbs a:hover{color:var(--orange)}.message-layout{display:grid;grid-template-columns:0.85fr 1.2fr;gap:72px;align-items:start}.message-intro{padding-top:24px}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:700;color:var(--orange);margin:0 0 16px}.message-intro h1{font-size:46px;line-height:1.2;letter-spacing:-1px;margin:0 0 24px}.intro-text{font-size:17px;line-height:1.9;color:var(--muted);max-width:370px;margin:0}.intro-rule{width:42px;height:3px;background:var(--orange);margin:32px 0}.contact-detail{margin:30px 0}.contact-detail span{display:block;color:var(--muted);font-size:13px;margin-bottom:8px}.contact-detail a{font-size:24px;font-weight:650;letter-spacing:0.5px}.contact-detail a:hover{color:var(--orange)}.intro-note{font-size:13px;color:var(--muted);max-width:330px}.form-card{padding:36px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 40px #20242a06}.form-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:28px}.form-heading h2{font-size:23px;margin:0}.required-note{color:var(--muted);font-size:12px}.required{color:var(--orange)}.field{margin-bottom:23px}.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}.field input,.field textarea,.search-bar input,.search-bar select{width:100%;border:1px solid #d7dce1;border-radius:8px;background:#fff;padding:12px 14px;color:var(--ink);outline:none;transition:border-color .15s,box-shadow .15s}.field input:focus,.field textarea:focus,.search-bar input:focus,.search-bar select:focus{border-color:var(--orange);box-shadow:0 0 0 3px #e85d0412}.field [aria-invalid=true]{border-color:#bf3636}.field textarea{resize:vertical;min-height:176px;line-height:1.7}.field-hint{font-size:12px;color:var(--muted);margin:7px 0 0}.field-meta{display:flex;justify-content:space-between;gap:10px;font-size:12px;color:var(--muted);margin-top:6px}.counter{white-space:nowrap}.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:12px 24px;border:1px solid transparent;border-radius:8px;background:var(--orange);color:#fff;font-weight:600;font-size:15px;line-height:1.5}.button:hover{background:var(--orange-dark)}.button:disabled{opacity:.6;cursor:wait}.button.secondary{background:#fff;border-color:var(--line);color:var(--ink)}.button.secondary:hover{border-color:var(--orange);color:var(--orange)}.full-width{width:100%}.privacy-note{font-size:12px;color:var(--muted);text-align:center;margin:16px 0 0;line-height:1.8}.notice{padding:13px 16px;margin:0 0 22px;background:var(--soft-orange);border:1px solid #ffd4b1;border-radius:8px;font-size:14px;overflow-wrap:anywhere}.notice.error{color:#a32d2d;background:#fff2f2;border-color:#f2cccc}.notice.success{color:#216b43;background:#effaf3;border-color:#c5e7d2}.honeypot{position:absolute;left:-10000px;width:1px;height:1px;overflow:hidden}.simple-footer{padding:25px 24px;color:var(--muted);font-size:12px;text-align:center;border-top:1px solid var(--line);background:#fff}.simple-footer a{margin-left:16px}.muted{color:var(--muted);font-size:14px}.text-button{border:0;background:transparent;padding:6px 0;color:var(--orange);font-size:14px}.text-button:hover{text-decoration:underline}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.admin-page{background:var(--surface)}.admin-header-right{display:flex;gap:24px;align-items:center;font-size:14px}.admin-header-right>span{font-weight:600}.admin-main{max-width:1120px;margin:0 auto;padding:48px 24px 64px;min-height:calc(100vh - 149px)}.login-card{max-width:460px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:36px;margin:20px auto 40px;box-shadow:0 12px 36px #20242a05}.login-card h1{font-size:28px;line-height:1.3;margin:0 0 14px}.login-card>.muted{margin-bottom:28px}.login-card code{font-size:12px}.stack-form{margin-top:24px}.admin-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:30px}.admin-heading h1{font-size:32px;line-height:1.3;margin:0}.admin-heading .eyebrow{margin-bottom:8px}.admin-heading .muted{margin-bottom:0}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:28px}.stats-row>div{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 24px}.stats-row span{display:block;font-size:13px;color:var(--muted)}.stats-row strong{font-size:30px;font-weight:650;display:block;margin-top:5px}.stats-row>div:nth-child(2) strong{color:var(--orange)}.search-bar{display:flex;gap:12px;align-items:center;margin-bottom:24px}.search-bar input{flex:1;min-width:0}.search-bar select{width:130px}.search-bar>.text-button{padding:8px;white-space:nowrap}.message-list{display:grid;gap:16px}.message-item{padding:24px 28px;border:1px solid var(--line);border-radius:12px;background:#fff;min-width:0}.message-item.unread{border-left:3px solid var(--orange);padding-left:26px}.message-top{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:12px}.message-top time,.message-id{font-size:12px;color:var(--muted)}.message-id{margin-left:10px}.status-tag{font-size:12px;border-radius:4px;background:#f1f2f4;color:var(--muted);padding:3px 8px}.unread .status-tag{color:var(--orange-dark);background:var(--soft-orange)}.message-phone{font-size:21px;font-weight:600;overflow-wrap:anywhere}.message-phone:hover{color:var(--orange)}.message-contact{font-size:13px;color:var(--muted);margin:5px 0;overflow-wrap:anywhere}.message-content{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.9;font-size:15px;margin-top:16px}.mark-form{margin-top:15px;padding-top:12px;border-top:1px solid #f1f2f4;text-align:right}.empty-state{padding:60px 24px;border:1px dashed #d9dfe5;border-radius:12px;text-align:center;background:#fff}.empty-state h2{font-size:20px}.pagination{display:flex;justify-content:space-between;gap:18px;margin-top:24px;font-size:13px;color:var(--muted)}.pagination>div{display:flex;gap:22px}.pagination a{color:var(--orange)}
@media(max-width:1150px){.page-nav{gap:14px;font-size:13px}.simple-header{gap:16px}.brand img{height:38px}.message-layout{gap:40px}}
@media(max-width:1024px){.menu-toggle{display:block}.page-nav{display:none;position:absolute;top:100%;left:0;right:0;padding:16px 24px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 8px 12px #00000008;flex-direction:column;align-items:stretch;gap:0}.page-nav.open{display:flex}.page-nav a{padding:10px 0;font-size:14px}.header-controls{margin-left:auto}.message-layout{gap:32px}.message-intro h1{font-size:39px}.form-card{padding:28px}}
@media(max-width:760px){.simple-header{min-height:68px;padding:12px 20px;gap:12px}.brand img{height:36px}.message-main{padding:24px 20px 44px}.breadcrumbs{margin-bottom:26px}.message-layout{grid-template-columns:1fr;gap:28px}.message-intro{padding-top:0}.message-intro h1{font-size:34px;margin-bottom:16px}.intro-text{font-size:15px;max-width:none}.intro-rule,.intro-note{display:none}.contact-detail{margin:20px 0 0;display:flex;align-items:center;gap:14px}.contact-detail span{margin:0}.contact-detail a{font-size:20px}.form-card{padding:24px 20px}.form-heading h2{font-size:21px}.simple-footer a{display:block;margin:7px 0 0}.admin-main{padding:30px 16px 40px}.login-card{padding:26px 22px}.admin-header-right{gap:16px;font-size:12px}.admin-heading{align-items:flex-start}.admin-heading h1{font-size:28px}.admin-heading .button{font-size:13px;padding:10px 14px;white-space:nowrap}.stats-row{gap:10px}.stats-row>div{padding:16px 12px}.stats-row strong{font-size:26px}.stats-row span{font-size:12px}.search-bar{flex-wrap:wrap;gap:10px}.search-bar input{flex-basis:100%}.search-bar select{flex:1}.search-bar .button{padding:10px 20px}.message-item{padding:20px}.message-item.unread{padding-left:18px}.message-top{gap:8px}.message-top time{font-size:11px}.message-content{font-size:14px}.pagination{flex-wrap:wrap}.form-heading{gap:8px}.required-note{font-size:11px}}
@media(max-width:760px){.simple-header .brand{flex:1;min-width:0;max-width:220px}.simple-header .brand img{width:100%;height:auto;max-height:36px;object-fit:contain;object-position:left center}.header-controls{flex-shrink:0;gap:6px}.lang-switch{gap:2px}.menu-toggle{padding:6px;line-height:1}.admin-header-right{flex-shrink:0}}