:root{--primary:#1A3C5E;--primary-lt:#2B6BA6;--primary-bg:#E8F0F8;--accent:#F5A623;--accent-lt:#FFF3E0;--accent-hover:#D4891C;--green:#27AE60;--green-lt:#E8F8F0;--red:#E74C3C;--red-lt:#FDEDEC;--gray-100:#F8F9FA;--gray-200:#E9ECEF;--gray-300:#DEE2E6;--gray-400:#ADB5BD;--gray-500:#6C757D;--gray-600:#495057;--gray-700:#343A40;--white:#FFFFFF;--shadow:0 2px 12px rgba(0,0,0,.06);--shadow-md:0 4px 20px rgba(0,0,0,.08);--shadow-lg:0 8px 40px rgba(0,0,0,.12);--radius:8px;--radius-lg:16px;--radius-xl:24px;--transition:all .3s cubic-bezier(.4,0,.2,1);--font:'Segoe UI','Microsoft YaHei',system-ui,-apple-system,sans-serif;--max-width:1140px}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scrollbar-gutter:stable}
body{font-family:var(--font);color:var(--gray-700);background:var(--white);line-height:1.7;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;height:auto;display:block}
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}
h1,h2,h3,h4{line-height:1.3;font-weight:700}
.section{padding:50px 0;scroll-margin-top:60px}
.page-section{padding:120px 0 80px;scroll-margin-top:60px}
.section-alt{background:var(--gray-100)}
.section-title{text-align:center;margin-bottom:32px}
.section-title h2{font-size:clamp(1.5rem,4vw,2.2rem);color:var(--primary);position:relative;display:inline-block}
.section-title h2::after{content:'';display:block;width:60px;height:3px;background:var(--accent);margin:8px auto 0;border-radius:2px}
.section-title p{color:var(--gray-500);font-size:1.05rem;margin-top:6px}
.fade-in-up{opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.fade-in-up.visible{opacity:1;transform:translateY(0)}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--radius);font-weight:600;font-size:.95rem;cursor:pointer;transition:var(--transition);border:2px solid transparent;text-align:center}
.btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn:active{transform:translateY(0)}
.btn-lg{padding:14px 36px;font-size:1rem}
.btn-sm{padding:8px 16px;font-size:.82rem}
.btn-primary{background:var(--primary);color:var(--white)}
.btn-primary:hover{background:var(--primary-lt)}
.btn-outline{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:var(--white)}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:var(--white)}
.btn-outline-light:hover{background:var(--white);color:var(--primary);border-color:var(--white)}
.btn-accent{background:var(--accent);color:var(--white)}
.btn-accent:hover{background:var(--accent-hover)}
.header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(255,255,255,.95);backdrop-filter:blur(16px);border-bottom:1px solid var(--gray-200);transition:var(--transition)}
.header.scrolled{box-shadow:0 2px 20px rgba(0,0,0,.08)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--primary)}
.logo-icon{width:44px;height:44px;background:var(--primary);color:var(--white);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:1.1rem;font-weight:700}
.logo-text{font-size:1.2rem}
.nav{display:flex;align-items:center;gap:4px}
.nav-link{padding:8px 14px;border-radius:var(--radius);font-size:.9rem;font-weight:500;color:var(--gray-600);transition:var(--transition)}
.nav-link:hover,.nav-link.active{color:var(--primary);background:#D4E6F5}
.nav-cta{padding:8px 20px;border-radius:var(--radius);font-size:.9rem;font-weight:600;color:var(--white);background:var(--primary);transition:var(--transition);margin-left:8px}
.nav-cta:hover{background:var(--primary-lt);transform:translateY(-1px)}
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none}
.hamburger span{display:block;width:24px;height:2px;background:var(--gray-700);border-radius:2px;transition:var(--transition)}
.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.hero{padding:100px 0 30px;background:linear-gradient(135deg,var(--primary) 0%,#0d2b4a 100%);color:var(--white);position:relative;overflow:hidden;min-height:45vh;display:flex;align-items:center}
.hero-bg{position:absolute;top:-50%;right:-20%;width:700px;height:700px;background:radial-gradient(circle,rgba(43,107,166,.2) 0%,transparent 70%);border-radius:50%;pointer-events:none}
.hero .container{position:relative;z-index:1;display:flex;align-items:center;gap:40px}
.hero-content{flex:1}
.hero-content h1{font-size:clamp(2rem,5vw,3rem);line-height:1.2;margin-bottom:12px}
.hero-content h1 span{color:var(--accent)}
.hero-subtitle{font-size:1.1rem;opacity:.85;margin-bottom:24px;max-width:520px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap}
.hero-visual{flex:0 0 340px}
.hero-card{background:rgba(255,255,255,.08);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.15);border-radius:var(--radius-lg);padding:20px;display:grid;grid-template-columns:1fr 1fr;gap:12px}
.hero-stat{text-align:center}
.hero-stat-num{display:block;font-size:1.8rem;font-weight:800;color:var(--accent)}
.hero-stat-label{font-size:.75rem;opacity:.7}
.hero-badges{grid-column:1/-1;display:flex;gap:6px;justify-content:center;flex-wrap:wrap}
.hero-badges .badge{padding:3px 12px;border-radius:20px;background:rgba(255,255,255,.1);font-size:.75rem}
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.service-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:24px;transition:var(--transition)}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--primary-bg)}
.service-card-header{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.service-icon-wrapper{width:44px;height:44px;background:var(--primary-bg);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0}
.service-card h3{font-size:1.1rem;color:var(--primary);margin:0}
.service-card p{font-size:.9rem;color:var(--gray-500);line-height:1.6}
.portfolio-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.portfolio-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--gray-200);transition:var(--transition)}
.portfolio-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.portfolio-img{height:160px;background:linear-gradient(135deg,var(--primary-bg),var(--primary-lt));display:flex;align-items:center;justify-content:center;font-size:2.5rem;color:var(--primary);overflow:hidden}
.portfolio-body{padding:18px}
.portfolio-body .tag{display:inline-block;padding:2px 10px;border-radius:20px;background:var(--green-lt);color:var(--green);font-size:.78rem;font-weight:600;margin-bottom:6px}
.portfolio-body h3{font-size:1.05rem;margin-bottom:4px}
.portfolio-body p{font-size:.88rem;color:var(--gray-500);line-height:1.5}
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.pricing-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:28px 24px;text-align:center;transition:var(--transition);position:relative}
.pricing-card.featured{border-color:var(--accent);box-shadow:var(--shadow-lg);transform:scale(1.03)}
.pricing-card:hover{box-shadow:var(--shadow-md)}
.pricing-card h3{font-size:1.15rem;color:var(--primary);margin-bottom:4px}
.pricing-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--accent);color:var(--white);padding:4px 20px;border-radius:20px;font-size:.8rem;font-weight:600;white-space:nowrap}
.pricing-price{font-size:2.2rem;font-weight:800;color:var(--primary);margin:8px 0}
.pricing-price small{font-size:.95rem;font-weight:400;color:var(--gray-500)}
.pricing-features{text-align:left;margin:16px 0}
.pricing-features li{padding:6px 0;font-size:.9rem;color:var(--gray-600);border-bottom:1px solid var(--gray-200)}
.pricing-features li::before{content:'\2713 ';color:var(--green);font-weight:700}
.about-content{max-width:760px;margin:0 auto;text-align:center}
.about-content p{font-size:1rem;color:var(--gray-600);margin-bottom:10px}
.about-motto{font-size:1.1rem;font-weight:600;color:var(--primary);margin-bottom:20px!important}
.about-stats{display:flex;justify-content:center;gap:32px;flex-wrap:wrap;margin-top:20px}
.about-stat{text-align:center}
.about-stat-num{display:block;font-size:2rem;font-weight:800;color:var(--primary)}
.about-stat-label{font-size:.85rem;color:var(--gray-500)}
.faq-list{max-width:760px;margin:0 auto}
.faq-item{border:1px solid var(--gray-200);border-radius:var(--radius);margin-bottom:8px;overflow:hidden;transition:var(--transition)}
.faq-item:hover{border-color:var(--primary-bg)}
.faq-question{width:100%;display:flex;align-items:center;justify-content:space-between;padding:14px 20px;background:var(--white);font-weight:600;font-size:1rem;cursor:pointer;border:none;text-align:left;font-family:inherit;color:inherit;transition:var(--transition)}
.faq-question:hover{background:var(--gray-100)}
.faq-arrow{flex-shrink:0;color:var(--gray-400);transition:transform .3s ease}
.faq-item.is-open .faq-arrow{transform:rotate(180deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease;background:var(--gray-100)}
.faq-item.is-open .faq-answer{max-height:400px}
.faq-answer-inner{padding:4px 24px 18px;font-size:.9rem;color:var(--gray-600);line-height:1.8}
.faq-answer-inner a{color:var(--primary);text-decoration:underline}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:stretch;position:relative}
.contact-grid::before{content:'';position:absolute;top:0;bottom:0;left:calc(50% - 0.5px);width:1px;background:var(--gray-200)}
.contact-sidebar h3{font-size:1.2rem;color:var(--primary);margin-bottom:8px}
.contact-sidebar{padding:32px 0}
.contact-form-title{font-size:1.15rem;color:var(--primary);margin:0 0 20px 0}
.contact-section-divider{height:1px;background:var(--gray-200);margin:16px 0}
.contact-desc{font-size:.9rem;color:var(--gray-500);margin-bottom:24px}
.contact-method{display:flex;align-items:center;gap:14px;padding:14px 18px;background:var(--gray-100);border-radius:var(--radius);margin-bottom:10px;transition:var(--transition)}
.contact-method:hover{background:var(--primary-bg)}
.contact-icon{font-size:1.3rem;flex-shrink:0}
.contact-label{font-size:.8rem;color:var(--gray-500)}
.contact-value{font-size:.95rem;font-weight:600;color:var(--gray-700);word-break:break-all}
.contact-tip{margin-top:24px;padding:20px;background:var(--primary-bg);border-radius:var(--radius-lg);border-left:4px solid var(--primary)}
.contact-tip h4{font-size:.95rem;color:var(--primary);margin-bottom:8px}
.contact-tip-body{font-size:.85rem;color:var(--gray-600);line-height:1.8}
.contact-form-wrapper{padding:32px}

.form-group{margin-bottom:16px}
.form-group label{display:block;font-size:.85rem;font-weight:600;color:var(--gray-600);margin-bottom:6px}
.form-group .required{color:var(--red)}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:11px 14px;border:2px solid var(--gray-300);border-radius:var(--radius);font-family:var(--font);font-size:.9rem;transition:var(--transition);background:var(--white)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--primary-lt);box-shadow:0 0 0 4px rgba(43,107,166,.1)}
.form-group textarea{min-height:120px;resize:vertical}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-error{color:var(--red);font-size:.85rem;margin-bottom:12px;display:none}
.form-error.show{display:block}
.form-error-inline{border-color:var(--red)!important}
.message-board{margin-top:48px}
.message-board-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.message-board-header h3{font-size:1.15rem;color:var(--primary)}
.message-count{font-size:.85rem;color:var(--gray-500)}
.message-item{padding:16px 20px;border:1px solid var(--gray-200);border-radius:var(--radius);margin-bottom:10px;transition:var(--transition)}
.message-item:hover{background:var(--gray-100)}
.message-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}
.message-name{font-weight:600;font-size:.9rem}
.message-meta{display:flex;gap:8px;align-items:center}
.message-type{font-size:.75rem;color:var(--gray-500)}
.message-time{font-size:.8rem;color:var(--gray-400)}
.message-body{font-size:.9rem;color:var(--gray-600);line-height:1.6;white-space:pre-wrap}
.message-budget{font-size:.78rem;color:var(--gray-400);margin-top:6px}
.message-reply{margin-top:8px;padding:10px 14px;background:var(--green-lt);border-radius:var(--radius);font-size:.85rem;border-left:3px solid var(--green)}
.message-reply strong{color:var(--green)}
.toast{position:fixed;bottom:24px;right:24px;background:var(--primary);color:var(--white);padding:14px 24px;border-radius:var(--radius);font-size:.9rem;box-shadow:var(--shadow-lg);z-index:9999;opacity:0;transform:translateY(20px);transition:opacity .3s ease,transform .3s ease;pointer-events:none;max-width:360px}
.toast.show{opacity:1;transform:translateY(0)}
.footer{background:var(--primary);color:var(--white);padding:48px 0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer h4{font-size:1rem;margin-bottom:16px;opacity:.9}
.footer p,.footer a{font-size:.85rem;opacity:.7;line-height:2;transition:opacity .2s;display:block}
.footer a:hover{opacity:1}
.footer .icon{display:inline-block;width:20px}
.footer-brand p{line-height:1.8}
.footer-bottom{text-align:center;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);font-size:.8rem;opacity:.6}
.footer-bottom a{display:inline}
.page-404{min-height:70vh;display:flex;align-items:center;justify-content:center;padding:120px 0;text-align:center}
.page-404-code{font-size:6rem;font-weight:800;color:var(--primary);line-height:1;opacity:.3}
.page-404 h1{font-size:1.8rem;color:var(--gray-700);margin:16px 0 8px}
.page-404 p{color:var(--gray-500);margin-bottom:32px}
.page-404-actions{display:flex;gap:12px;justify-content:center}
.empty-state{text-align:center;padding:48px 0;color:var(--gray-400);font-size:.95rem}
.link{color:var(--primary);text-decoration:underline}
.flash{padding:12px 18px;border-radius:var(--radius);margin-bottom:16px;font-size:.9rem;animation:fadeIn .3s ease}
.flash-success{background:var(--green-lt);color:var(--green);border:1px solid #C8E6C9}
.flash-error{background:var(--red-lt);color:var(--red);border:1px solid #F5B7B1}
@keyframes fadeIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}
.docs-layout{display:grid;grid-template-columns:220px 1fr;gap:40px;align-items:start}
.docs-sidebar{position:sticky;top:88px}
.docs-sidebar h4{font-size:.82rem;text-transform:uppercase;letter-spacing:.05em;color:var(--gray-500);margin-bottom:12px}
.docs-nav{display:flex;flex-direction:column;gap:2px}
.docs-nav-link{display:block;padding:8px 12px;border-radius:var(--radius);font-size:.88rem;color:var(--gray-600);transition:var(--transition);border-left:3px solid transparent}
.docs-nav-link:hover,.docs-nav-link.active{color:var(--primary);background:#D4E6F5;border-left-color:var(--primary)}
.docs-main{min-width:0}
.doc-category{margin-bottom:48px;padding-bottom:48px;border-bottom:1px solid var(--gray-200)}
.doc-category:last-child{border-bottom:none;margin-bottom:0}
.doc-category-title{font-size:1.5rem;color:var(--primary);margin-bottom:20px}
.doc-article{margin-bottom:16px}
.doc-article a:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--primary-bg)!important}
.doc-summary{font-size:.9rem;color:var(--gray-500);margin-bottom:16px}
.doc-body{line-height:1.8;font-size:.95rem;color:var(--gray-600)}
.doc-body h3{font-size:1.15rem;margin:24px 0 12px;color:var(--gray-700)}
.doc-body p,.doc-body li{margin-bottom:8px}
.doc-body ul,.doc-body ol{padding-left:20px}
.doc-body pre{background:#1E1E2E;color:#CDD6F4;border-radius:var(--radius);padding:20px;margin:16px 0;overflow-x:auto;font-family:'Cascadia Code','Fira Code','Consolas',monospace;font-size:.85rem;line-height:1.6;position:relative}
.doc-body code{font-family:'Consolas',monospace;font-size:.85rem}
.doc-body :not(pre)>code{background:#f0f0f0;padding:2px 6px;border-radius:4px;color:#E74C3C}
.doc-body .code-copy{position:absolute;top:8px;right:8px;padding:4px 10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.15);border-radius:4px;color:#CDD6F4;font-size:.75rem;cursor:pointer;transition:var(--transition);opacity:0}
.doc-body pre:hover .code-copy{opacity:1}
.doc-body .code-copy:hover{background:rgba(255,255,255,.2)}
.doc-body .download-card{background:var(--gray-100);border:1px solid var(--gray-200);border-radius:var(--radius);padding:20px;display:flex;align-items:center;justify-content:space-between;gap:16px;margin:12px 0}
.doc-body .download-card .info h4{font-size:1rem;color:var(--gray-700)}
.doc-body .download-card .info span{font-size:.8rem;color:var(--gray-500)}
.doc-body .download-card .btn{flex-shrink:0}
.admin-layout{display:flex;min-height:100vh;max-width:var(--max-width);margin:0 auto;background:var(--white)}
.admin-sidebar{width:200px;background:var(--primary);color:var(--white);padding:20px 0;flex-shrink:0;position:sticky;top:0;height:100vh;overflow-y:auto}
.admin-sidebar h2{font-size:.95rem;padding:0 16px 16px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:8px}
.admin-sidebar a{display:flex;align-items:center;gap:6px;padding:7px 16px;color:rgba(255,255,255,.7);font-size:.85rem;transition:all .2s;border-left:3px solid transparent}
.admin-sidebar a:hover,.admin-sidebar a.active{color:#fff;background:rgba(255,255,255,.1);border-left-color:var(--accent)}
.admin-sidebar .sidebar-badge{margin-left:auto;background:var(--accent);color:#fff;font-size:.75rem;padding:1px 8px;border-radius:10px;min-width:20px;text-align:center}
.admin-main{flex:1;background:#F5F6FA;padding:20px 28px 20px 20px;min-width:0}
.admin-container{max-width:var(--max-width);margin:0 auto}
.admin-topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid #E0E0E0}
.admin-topbar h1{font-size:1.3rem;color:var(--gray-700)}
.admin-topbar .admin-user{font-size:.85rem;color:var(--gray-500);display:flex;align-items:center;gap:12px}
.admin-card{background:#fff;border-radius:var(--radius);padding:20px 24px;box-shadow:0 1px 4px rgba(0,0,0,.06);margin-bottom:20px}
.admin-card h3{font-size:1rem;color:var(--gray-700);margin-bottom:12px}
.admin-table{width:100%;border-collapse:collapse;font-size:.9rem}
.admin-table th{text-align:left;padding:10px 12px;background:var(--gray-100);color:var(--gray-600);font-weight:600;border-bottom:2px solid var(--gray-300);font-size:.82rem;white-space:nowrap}
.admin-table td{padding:10px 12px;border-bottom:1px solid var(--gray-200)}
.admin-table tr:hover td{background:#F8F9FF}
.admin-table .row-unread{background:#FFF8F8}
.admin-status{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.75rem;font-weight:600}
.admin-status-unread{background:var(--red-lt);color:var(--red)}
.admin-status-read{background:#E8EAF6;color:#283593}
.admin-status-replied{background:var(--green-lt);color:var(--green)}
.admin-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:16px;margin-bottom:24px}
.admin-stat{background:#fff;border-radius:var(--radius);padding:20px;text-align:center;box-shadow:0 1px 4px rgba(0,0,0,.06)}
.admin-stat-num{font-size:1.8rem;font-weight:800;color:var(--primary)}
.admin-stat-label{font-size:.8rem;color:var(--gray-500);margin-top:4px}
.admin-stat.danger .admin-stat-num{color:var(--red)}
.admin-stat.success .admin-stat-num{color:var(--green)}
.admin-filters{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.admin-filters .btn{text-decoration:none}
.admin-reply-box{margin-top:16px}
.admin-reply-box textarea{width:100%;min-height:100px;padding:12px;border:2px solid var(--gray-300);border-radius:var(--radius);font-family:var(--font);font-size:.9rem;resize:vertical;transition:var(--transition)}
.admin-reply-box textarea:focus{border-color:var(--primary-lt);outline:none;box-shadow:0 0 0 4px rgba(43,107,166,.1)}
.admin-section-tabs{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px}
.admin-section-tabs a{padding:7px 15px;border-radius:var(--radius);font-size:.83rem;text-decoration:none;color:var(--gray-600);background:#fff;border:1px solid var(--gray-200);transition:all .15s;display:inline-block}
.admin-section-tabs a.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.admin-section-tabs a:hover:not(.active){border-color:var(--primary)}
.admin-item-list{display:flex;flex-direction:column;gap:8px}

/* ====== 后台紧凑模式 ====== */
.admin-back-bar{margin-bottom:4px;padding-bottom:0}
.admin-back-bar a{font-size:.82rem;color:var(--primary);text-decoration:none;display:inline-flex;align-items:center;gap:4px}
.admin-back-bar a:hover{text-decoration:underline}
.admin-layout.compact .admin-main{padding:12px 20px 12px 12px}
.admin-layout.compact .admin-topbar{margin-bottom:12px;padding-bottom:8px}
.admin-layout.compact .admin-topbar h1{font-size:1.1rem}
.admin-layout.compact .admin-card{padding:12px 16px;margin-bottom:10px}
.admin-layout.compact .admin-card h3{font-size:.9rem;margin-bottom:6px}
.admin-layout.compact .admin-table th{padding:6px 10px;font-size:.78rem}
.admin-layout.compact .admin-table td{padding:6px 10px;font-size:.82rem}
.admin-layout.compact .admin-filters{margin-bottom:10px}
.admin-layout.compact .admin-filters .btn{padding:4px 12px;font-size:.78rem}
.admin-layout.compact .admin-stats{gap:10px;margin-bottom:12px}
.admin-layout.compact .admin-stat{padding:12px 16px}
.admin-layout.compact .admin-stat-num{font-size:1.4rem}
.admin-layout.compact .admin-section-tabs{margin-bottom:12px}
.admin-layout.compact .admin-section-tabs a{padding:5px 12px;font-size:.78rem}
/* 后台统一按钮高度 */
.admin-layout .btn{padding:6px 18px;font-size:.85rem}
.admin-layout .btn-sm{padding:4px 12px;font-size:.78rem}
.admin-layout .btn-lg{padding:8px 24px;font-size:.9rem}
.admin-layout.compact .admin-reply-box textarea{min-height:70px;padding:8px 12px;font-size:.82rem}
.admin-layout.compact .admin-item-list{gap:4px}
.admin-layout.compact .flash{padding:8px 14px;margin-bottom:8px;font-size:.82rem}
.admin-item{background:#fff;border-radius:var(--radius);padding:14px 20px;border:1px solid var(--gray-200);display:flex;justify-content:space-between;align-items:center;transition:box-shadow .15s}
.admin-item:hover{box-shadow:0 2px 8px rgba(0,0,0,.06)}
.admin-item-info{flex:1;min-width:0}
.admin-item-info h4{margin:0 0 2px;font-size:.95rem}
.admin-item-info p{margin:0;font-size:.8rem;color:var(--gray-400);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.admin-item-actions{display:flex;gap:6px;flex-shrink:0;margin-left:16px}
.admin-edit-form{background:#fff;border-radius:var(--radius-lg);padding:24px;border:2px solid var(--primary-lt);margin-bottom:20px}
.admin-edit-form h3{margin-bottom:16px;font-size:1rem}
.admin-edit-form .form-group{margin-bottom:12px}
.admin-edit-form label{display:block;font-size:.82rem;font-weight:600;color:var(--gray-600);margin-bottom:3px}
.admin-edit-form input,.admin-edit-form textarea,.admin-edit-form select{width:100%;padding:8px 12px;border:2px solid var(--gray-300);border-radius:6px;font-size:.9rem;font-family:inherit;box-sizing:border-box}
.admin-edit-form textarea{min-height:80px}
.admin-edit-form .form-row{display:flex;gap:14px}
.admin-edit-form .form-row .form-group{flex:1}
.admin-edit-form .btn-row{display:flex;gap:10px;margin-top:14px}
.admin-edit-form .inline-flex{display:flex;gap:8px;align-items:center}
.admin-edit-form .inline-flex input[type="checkbox"]{width:auto}
.admin-edit-form .badge-featured{background:var(--primary);color:#fff;font-size:.7rem;padding:2px 10px;border-radius:20px;display:inline-block;margin-left:8px}
.admin-login-page{background:linear-gradient(135deg,var(--primary),#0d2b4a);min-height:100vh;display:flex;align-items:center;justify-content:center}
.admin-login-box{background:#fff;border-radius:var(--radius-xl);padding:40px;width:380px;max-width:90vw;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.admin-login-box h1{font-size:1.3rem;color:var(--primary);text-align:center;margin-bottom:24px}
.admin-login-box label{display:block;font-size:.85rem;font-weight:600;color:var(--gray-600);margin-bottom:6px}
.admin-login-box input{width:100%;padding:11px 14px;border:2px solid var(--gray-300);border-radius:var(--radius);font-size:.9rem;margin-bottom:16px;transition:var(--transition)}
.admin-login-box input:focus{border-color:var(--primary-lt);outline:none;box-shadow:0 0 0 4px rgba(43,107,166,.1)}
.admin-login-box .btn{width:100%;justify-content:center}
.admin-login-box .login-hint{text-align:center;font-size:.8rem;color:var(--gray-400);margin-top:16px}
.admin-login-box .login-error{background:var(--red-lt);color:var(--red);padding:10px;border-radius:var(--radius);font-size:.85rem;margin-bottom:16px;text-align:center}
@media(max-width:968px){
.hero .container{flex-direction:column;text-align:center}
.hero-content p{margin:0 auto 32px}
.hero-btns{justify-content:center}
.hero-visual{flex:0 0 auto;width:100%;max-width:400px}
.contact-grid{grid-template-columns:1fr}
.contact-grid::before{display:none}
.docs-layout{grid-template-columns:1fr}
.docs-sidebar{position:static}
.docs-nav{flex-direction:row;flex-wrap:wrap;gap:4px}
.docs-nav-link{border-left:none;border-bottom:3px solid transparent;padding:6px 12px;font-size:.8rem}
.docs-nav-link:hover,.docs-nav-link.active{border-left-color:transparent;border-bottom-color:var(--primary)}
.pricing-card.featured{transform:none}
.footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
.nav{display:none;flex-direction:column;position:absolute;top:68px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--gray-200);padding:12px 24px;gap:2px;box-shadow:var(--shadow-md)}
.nav.open{display:flex}
.nav-link,.nav-cta{padding:10px 14px;margin:0;border-radius:var(--radius)}
.hamburger{display:flex}
.section{padding:36px 0}
.page-section{padding:100px 0 56px}
.hero{padding:120px 0 56px;min-height:auto}
.hero-visual{display:none}
.services-grid{grid-template-columns:1fr}
.portfolio-grid{grid-template-columns:1fr}
.pricing-grid{grid-template-columns:1fr}
.form-row{grid-template-columns:1fr}
.admin-sidebar{width:56px}
.admin-sidebar h2,.admin-sidebar a span{display:none}
.admin-sidebar a{justify-content:center;padding:10px;border-left:none}
.footer-grid{grid-template-columns:1fr}
.message-board-header{flex-direction:column;align-items:flex-start;gap:8px}
}
@media(max-width:480px){
.about-stats{gap:24px}
.hero-btns{flex-direction:column;align-items:stretch}
.hero-btns .btn{justify-content:center}
.doc-body .download-card{flex-direction:column;text-align:center}
.admin-main{padding:16px}
.admin-stats{grid-template-columns:1fr 1fr}
}
.partners-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;text-align:center}
.partner-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:20px 16px;transition:var(--transition)}
.partner-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary-bg)}
.partner-icon{font-size:2rem;margin-bottom:8px}
.partner-name{font-size:.95rem;color:var(--primary);margin-bottom:4px;font-weight:600}
.partner-desc{font-size:.82rem;color:var(--gray-500);margin:0;line-height:1.6}
@media(max-width:480px){.partners-grid{grid-template-columns:1fr 1fr}}
.hero-bg-slides{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:1}
.hero-bg-slide{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat;opacity:0;transition:opacity 1.5s ease}
.hero-bg-slide.active{opacity:.35}
.hero-default-bg{position:absolute;inset:0;background-size:cover;background-position:center;z-index:0;background-image:url(../uploads/hero-bg-default.svg)}
.hero-slides{position:absolute;inset:0;z-index:1}
.hero-slide{position:absolute;inset:0;opacity:0;transition:opacity 1s ease;display:flex;align-items:center}
.hero-slide.active{opacity:1;position:relative}
.hero-slide .container{z-index:2;display:flex;align-items:center;gap:40px;width:100%}
.hero-slide-bg{position:absolute;inset:0;overflow:hidden}
.hero-slide-bg-img{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat}
.hero-dots{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);z-index:10;display:flex;gap:8px}
.hero-dot{width:10px;height:10px;border-radius:50%;border:2px solid rgba(255,255,255,.5);background:transparent;cursor:pointer;padding:0;transition:all .3s}
.hero-dot.active{background:var(--white);border-color:var(--white);transform:scale(1.2)}

/* ── 关于页面 ── */
.page-banner{position:relative;overflow:hidden;color:var(--white);padding:120px 0 60px;text-align:center;min-height:280px;display:flex;align-items:center}
.page-banner .container{position:relative;z-index:2;width:100%}
.page-banner-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,60,94,.7) 0%,rgba(13,43,74,.8) 100%);z-index:1}
.page-banner-bg-default{position:absolute;inset:0;overflow:hidden;z-index:0}
.page-banner-bg-default .page-banner-bg-img{width:100%;height:100%;object-fit:cover}
.page-banner-slides{position:absolute;inset:0;overflow:hidden;z-index:0}
.page-banner-slide{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat;opacity:0;transition:opacity 1.5s ease}
.page-banner-slide.active{opacity:1}
.page-banner h1{font-size:clamp(1.8rem,5vw,2.6rem);margin-bottom:8px}
.page-banner p{font-size:1.05rem;opacity:.8}

.about-story-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:start}
.about-story-text h2{font-size:1.6rem;color:var(--primary);margin-bottom:20px}
.about-story-text p{font-size:.95rem;color:var(--gray-600);line-height:1.9;margin-bottom:12px}
.about-story-facts{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:3.8rem}
.fact-card{background:var(--gray-100);border-radius:var(--radius);padding:20px;text-align:center;transition:var(--transition)}
.fact-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.fact-num{display:block;font-size:1.6rem;font-weight:800;color:var(--primary);margin-bottom:4px}
.fact-label{font-size:.82rem;color:var(--gray-500)}

.about-main{text-align:center;max-width:900px;margin:0 auto}
.about-stats-bar{display:flex;justify-content:center;gap:48px;flex-wrap:wrap}
.about-stat-item{text-align:center}
.stat-number{display:block;font-size:2rem;font-weight:800;color:var(--primary)}
.stat-label{font-size:.85rem;color:var(--gray-500)}

.capabilities-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.cap-card{background:var(--white);border:1px solid var(--gray-200);border-radius:var(--radius-lg);padding:28px 24px;transition:var(--transition)}
.cap-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--primary-bg)}
.cap-icon{font-size:2rem;display:inline-block;vertical-align:middle;margin-right:10px;margin-bottom:0}
.cap-card h3{font-size:1rem;color:var(--primary);display:inline;vertical-align:middle}
.cap-card p{font-size:.88rem;color:var(--gray-500);line-height:1.7;margin:0}

.process-steps{max-width:640px;margin:0 auto;display:flex;flex-direction:column;gap:0}
.step{display:flex;gap:20px;padding:24px 0;position:relative}
.step:not(:last-child)::after{content:'';position:absolute;left:23px;top:60px;width:2px;height:calc(100% - 36px);background:var(--gray-200)}
.step-number{font-size:1.1rem;font-weight:800;color:var(--primary);background:var(--primary-bg);min-width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.step-content{padding-top:8px}
.step-content h4{font-size:1rem;color:var(--gray-700);margin-bottom:4px}
.step-content p{font-size:.88rem;color:var(--gray-500);line-height:1.7;margin:0}

.about-timeline{max-width:700px;margin:0 auto}
.timeline-item{display:flex;gap:24px;padding:20px 0;border-left:3px solid var(--primary-bg);padding-left:24px;position:relative}
.timeline-item::before{content:'';position:absolute;left:-7px;top:24px;width:11px;height:11px;border-radius:50%;background:var(--primary);border:2px solid var(--white);box-shadow:0 0 0 2px var(--primary)}
.timeline-year{font-size:.85rem;font-weight:700;color:var(--primary);white-space:nowrap;min-width:70px;padding-top:2px}
.timeline-body h4{font-size:1rem;color:var(--gray-700);margin-bottom:4px}
.timeline-body p{font-size:.9rem;color:var(--gray-500);line-height:1.7;margin:0}

.about-values{margin-top:60px;text-align:center}
.values-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:24px;max-width:900px;margin:0 auto}
.value-card{background:var(--gray-100);border-radius:var(--radius-lg);padding:28px 20px;transition:var(--transition);text-align:center}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.value-icon{font-size:2.2rem;margin-bottom:12px}
.value-card h4{font-size:1rem;color:var(--primary);margin-bottom:8px}
.value-card p{font-size:.85rem;color:var(--gray-500);line-height:1.7;margin:0}

.contact-requirement-cta{display:flex;align-items:center;justify-content:space-between;gap:20px;background:linear-gradient(135deg,var(--primary) 0%,#0d2b4a 100%);border-radius:var(--radius-lg);padding:20px 24px;margin-top:0;color:#fff}
.contact-requirement-cta-content h3{font-size:1.05rem;margin-bottom:4px;color:#fff}
.contact-requirement-cta-content p{font-size:.85rem;opacity:.85;margin:0;color:#fff}
.contact-requirement-cta .btn{flex-shrink:0;color:#fff!important}
@media(max-width:640px){.contact-requirement-cta{flex-direction:column;text-align:center;padding:28px 20px}}

.about-cta{padding:40px 0}
.cta-box{background:linear-gradient(135deg,var(--primary) 0%,#0d2b4a 100%);border-radius:var(--radius-xl);padding:48px;text-align:center;color:var(--white)}
.cta-box h2{font-size:1.5rem;margin-bottom:8px}
.cta-box p{font-size:1rem;opacity:.85;margin-bottom:24px}

@media(max-width:768px){.about-story-grid{grid-template-columns:1fr}.about-story-facts{grid-template-columns:1fr 1fr}.about-stats-bar{gap:24px}}
@media(max-width:480px){.timeline-item{flex-direction:column;gap:4px;padding-left:16px}.timeline-year{min-width:auto}.step{gap:14px}.cta-box{padding:32px 20px}}