/* ============================================================
   博客文章详情页样式（原内联在文章HTML中）
   ============================================================ */
.blog-detail { background: var(--bg); padding: 0; }
.blog-article { max-width: 800px; margin: 0 auto; background: #fff; border: 1px solid var(--bd); border-radius: var(--rl); padding: 40px; }
.ba-header { margin-bottom: 32px; }
.ba-header .ba-tag { display: inline-block; font-size: 11px; font-weight: 700; color: var(--or); background: rgba(255,107,0,.18); border: 1px solid rgba(255,107,0,.35); padding: 3px 12px; border-radius: 20px; margin-bottom: 14px; }
.ba-header h1 { font-size: clamp(24px,4vw,38px); font-weight: 900; color: var(--dark); line-height: 1.4; margin-bottom: 16px; }
.ba-meta { display: flex; gap: 20px; font-size: 12px; color: #999; flex-wrap: wrap; }
.ba-body h2 { font-size: 20px; font-weight: 800; color: var(--dark); margin: 32px 0 12px; padding-left: 14px; border-left: 4px solid var(--or); }
.ba-body h3 { font-size: 16px; font-weight: 700; color: var(--dark); margin: 22px 0 8px; }
.ba-body p { font-size: 14px; color: var(--text2); line-height: 1.85; margin-bottom: 14px; }
.ba-body ul, .ba-body ol { margin: 0 0 16px 20px; }
.ba-body ul li, .ba-body ol li { font-size: 14px; color: var(--text2); line-height: 1.8; padding-left: 4px; margin-bottom: 4px; }
.ba-body ul li { list-style: disc; }
.ba-body ol li { list-style: decimal; }
.ba-body strong { color: var(--dark); }
.ba-body code { background: #F5F5F5; padding: 2px 6px; border-radius: 3px; font-size: 13px; }
.ba-body pre { background: #1E1E1E; color: #D4D4D4; padding: 16px 20px; border-radius: 8px; overflow-x: auto; font-size: 13px; line-height: 1.6; margin: 16px 0; }
.ba-body .tip-box { background: var(--or-lt); border-left: 4px solid var(--or); border-radius: 0 var(--r) var(--r) 0; padding: 14px 18px; margin: 18px 0; }
.ba-body .tip-box p { margin: 0; color: var(--dark); font-size: 13px; }
.ba-body .warn-box { background: #FFF3E0; border-left: 4px solid #FF9800; border-radius: 0 var(--r) var(--r) 0; padding: 14px 18px; margin: 18px 0; }
.ba-body .warn-box p { margin: 0; color: var(--dark); font-size: 13px; }
.ba-body .data-table { width: 100%; border-collapse: collapse; margin: 18px 0; font-size: 13px; }
.ba-body .data-table th { background: var(--dark); color: #fff; padding: 10px 14px; text-align: left; }
.ba-body .data-table td { padding: 9px 14px; border-bottom: 1px solid var(--bd); color: var(--text2); }
.ba-body .data-table tr:nth-child(even) td { background: var(--bg); }
.ba-body .cta-inline { background: linear-gradient(135deg,var(--dark),#0F2D50); border-radius: var(--rl); padding: 28px 32px; text-align: center; margin: 32px 0 0; }
.ba-body .cta-inline h3 { font-size: 18px; font-weight: 800; color: #fff; margin-bottom: 8px; }
.ba-body .cta-inline p { font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 18px; }
.ba-body .cta-inline .btn-primary { color: #fff; }
.ba-nav { margin-top: 40px; display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
@media(max-width:600px){ .blog-article { padding: 24px 18px; border-radius: 0; } }

/* ============================================================
   云途科技企业官网 CSS v2 - 紧凑大气版
   主色：#FF6B00 橙  |  深色背景：#14142B  |  文字：#333
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --or: #FF6B00;
  --or-dk: #E05500;
  --or-lt: #FFF3EA;
  --dark: #14142B;
  --dark2: #1E1E3A;
  --text: #2C2C3A;
  --text2: #6B6B80;
  --bg: #F7F8FC;
  --white: #FFFFFF;
  --bd: #E4E6EF;
  --r: 10px;
  --rl: 16px;
  --sh: 0 2px 12px rgba(0,0,0,.07);
  --shl: 0 8px 32px rgba(0,0,0,.12);
  --tr: all .25s ease;
}

html { scroll-behavior: smooth; }
body { font-family: 'Microsoft YaHei','PingFang SC','Noto Sans SC','Helvetica Neue',Arial,sans-serif; color: var(--text); background: #fff; line-height: 1.65; overflow-x: hidden; }
.container { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
a { text-decoration: none; color: inherit; transition: var(--tr); }
ul { list-style: none; }

/* ---------- 通用 ---------- */
.section-header { text-align: center; margin-bottom: 36px; }
.section-tag { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 3px; color: var(--or); background: var(--or-lt); padding: 3px 14px; border-radius: 20px; margin-bottom: 10px; }
.section-header h2 { font-size: 30px; font-weight: 900; color: var(--dark); margin-bottom: 8px; }
.section-header p { font-size: 14px; color: var(--text2); }
.section-header.light h2 { color: #fff; }
.section-header.light p { color: rgba(255,255,255,.7); }
.section-header.light .section-tag { background: rgba(255,255,255,.15); color: #fff; }

.btn-primary { display: inline-block; background: var(--or); color: #fff; padding: 12px 28px; border-radius: 7px; font-weight: 700; font-size: 15px; border: 2px solid var(--or); transition: var(--tr); }
.btn-primary:hover { background: var(--or-dk); border-color: var(--or-dk); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,107,0,.3); }
.btn-outline { display: inline-block; background: transparent; color: #fff; padding: 12px 28px; border-radius: 7px; font-weight: 700; font-size: 15px; border: 2px solid rgba(255,255,255,.55); transition: var(--tr); }
.btn-outline:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-primary-sm { display: inline-block; background: var(--or); color: #fff; padding: 8px 20px; border-radius: 6px; font-weight: 700; font-size: 13px; transition: var(--tr); }
.btn-primary-sm:hover { background: var(--or-dk); transform: translateY(-1px); box-shadow: 0 4px 14px rgba(255,107,0,.28); }

/* ---------- Logo ---------- */
.logo-wrap { display: flex; align-items: center; gap: 10px; cursor: pointer; }
.logo-icon-svg { width: 40px; height: 40px; flex-shrink: 0; }
.logo-icon-svg svg { width: 100%; height: 100%; }
.logo-text-block { display: flex; flex-direction: column; line-height: 1; }
.logo-main-row { display: flex; align-items: baseline; gap: 6px; }
.logo-yn { font-size: 20px; font-weight: 900; color: var(--or); letter-spacing: .5px; }
.logo-is { font-size: 10px; color: rgba(255,255,255,.5); letter-spacing: .5px; }
.logo-cn { font-size: 11px; color: rgba(255,255,255,.55); margin-top: 3px; letter-spacing: .3px; }

/* ---------- 导航 ---------- */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(20,20,43,.96); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255,255,255,.07); transition: var(--tr); }
.header.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,.25); }
.nav-inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.nav-menu { display: flex; gap: 2px; margin-left: auto; }
.nav-menu a { color: rgba(255,255,255,.75); padding: 7px 13px; border-radius: 6px; font-size: 14px; font-weight: 500; }
.nav-menu a:hover, .nav-menu a.active { color: #fff; background: rgba(255,255,255,.1); }
.btn-cta { display: inline-block; background: var(--or); color: #fff; padding: 8px 18px; border-radius: 6px; font-size: 13px; font-weight: 700; white-space: nowrap; flex-shrink: 0; }
.btn-cta:hover { background: var(--or-dk); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; margin-left: auto; }
.hamburger span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: var(--tr); }

/* ---------- Hero ---------- */
.hero { position: relative; min-height: 92vh; background: linear-gradient(135deg, #0C0C1E 0%, #14142B 45%, #0F2D50 100%); display: flex; align-items: center; justify-content: center; overflow: hidden; padding-top: 64px; }
.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; }
.shape { position: absolute; border-radius: 50%; filter: blur(80px); opacity: .12; }
.s1 { width: 500px; height: 500px; background: var(--or); top: -150px; right: -80px; animation: flt 8s ease-in-out infinite; }
.s2 { width: 350px; height: 350px; background: #3A7BD5; bottom: -80px; left: -60px; animation: flt 10s ease-in-out infinite reverse; }
.s3 { width: 250px; height: 250px; background: #E8402A; top: 45%; left: 30%; animation: flt 6s ease-in-out infinite 2s; }
@keyframes flt { 0%,100%{transform:translateY(0) scale(1)} 50%{transform:translateY(-25px) scale(1.04)} }

.hero-content { position: relative; z-index: 2; text-align: center; padding: 48px 20px 60px; }
.hero-badge { display: inline-block; background: rgba(255,107,0,.18); border: 1px solid rgba(255,107,0,.35); color: #FFB370; padding: 6px 18px; border-radius: 20px; font-size: 12px; margin-bottom: 22px; }
.hero-title { font-size: clamp(38px,5.5vw,66px); font-weight: 900; color: #fff; line-height: 1.2; margin-bottom: 18px; }
.hero-title .highlight { background: linear-gradient(90deg, var(--or), #FFB300); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-sub { font-size: 16px; color: rgba(255,255,255,.65); margin-bottom: 32px; }
.hero-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-bottom: 44px; }
.hero-stats { display: flex; align-items: center; justify-content: center; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: 14px; padding: 18px 32px; max-width: 620px; margin: 0 auto; backdrop-filter: blur(8px); flex-wrap: wrap; gap: 0; }
.stat-item { text-align: center; padding: 0 22px; }
.stat-num { display: block; font-size: 28px; font-weight: 900; color: #fff; line-height: 1; }
.stat-num em { font-style: normal; font-size: 15px; color: var(--or); }
.stat-label { display: block; font-size: 11px; color: rgba(255,255,255,.55); margin-top: 3px; }
.stat-divider { width: 1px; height: 36px; background: rgba(255,255,255,.12); }

/* ---------- 业务导航 ---------- */
.biz-nav { background: #fff; box-shadow: var(--sh); position: relative; z-index: 10; }
.biz-cards { display: grid; grid-template-columns: repeat(6,1fr); }
.biz-card { display: flex; flex-direction: column; align-items: center; padding: 20px 12px; border-right: 1px solid var(--bd); transition: var(--tr); text-align: center; }
.biz-card:last-child { border-right: none; }
.biz-card:hover { background: var(--or-lt); }
.biz-card:hover .biz-icon { transform: scale(1.2); }
.biz-icon { font-size: 24px; margin-bottom: 6px; transition: var(--tr); }
.biz-name { font-size: 12px; font-weight: 700; color: var(--dark); margin-bottom: 3px; }
.biz-desc { font-size: 10px; color: var(--text2); }

/* ---------- 关于我们 ---------- */
.about { padding: 72px 0 64px; background: var(--bg); }
.about-layout { display: grid; grid-template-columns: 1fr 1.6fr; gap: 48px; align-items: center; }
.about-card-bg { background: linear-gradient(135deg, var(--dark) 0%, #0F2D50 100%); border-radius: var(--rl); padding: 36px 28px; }
.about-year-block { margin-bottom: 24px; }
.ay-num { font-size: 64px; font-weight: 900; color: var(--or); line-height: 1; display: block; }
.ay-label { font-size: 14px; color: rgba(255,255,255,.65); display: block; margin-top: 4px; }
.about-badges { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.ab-item { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); border-radius: 8px; padding: 10px 12px; font-size: 12px; color: rgba(255,255,255,.8); text-align: center; }

.about-right h3 { font-size: 22px; font-weight: 800; color: var(--dark); margin-bottom: 12px; display: none; }
.about-intro { font-size: 14px; color: var(--text2); line-height: 1.85; margin-bottom: 20px; }
.about-values { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
.value-item { display: flex; align-items: flex-start; gap: 10px; padding: 12px; background: #fff; border-radius: var(--r); border: 1px solid var(--bd); }
.vi-dot { display: block; width: 8px; height: 8px; background: var(--or); border-radius: 50%; flex-shrink: 0; margin-top: 5px; }
.value-item strong { font-size: 13px; color: var(--dark); display: block; margin-bottom: 1px; }
.value-item p { font-size: 12px; color: var(--text2); }
.about-mission { display: flex; align-items: flex-start; gap: 10px; background: var(--or-lt); border-left: 3px solid var(--or); padding: 12px 16px; border-radius: 0 var(--r) var(--r) 0; }
.am-label { font-size: 11px; font-weight: 700; color: var(--or); white-space: nowrap; flex-shrink: 0; margin-top: 2px; }
.am-text { font-size: 13px; color: var(--dark); font-weight: 500; line-height: 1.6; }

/* ---------- 核心业务 ---------- */
.services { padding: 72px 0 64px; background: linear-gradient(180deg,#14142B 0%,#0F2D50 100%); }
.svc-block { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.09); border-radius: var(--rl); padding: 28px 32px; margin-bottom: 20px; }
.svc-block.alt { background: rgba(255,107,0,.05); border-color: rgba(255,107,0,.18); }

.svc-hd { display: flex; align-items: center; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.svc-num-wrap { flex-shrink: 0; }
.svc-num { font-size: 44px; font-weight: 900; color: var(--or); opacity: .3; line-height: 1; }
.svc-hd-info h3 { font-size: 20px; font-weight: 800; color: #fff; margin-bottom: 2px; }
.svc-hd-info p { font-size: 13px; color: rgba(255,255,255,.55); }
.svc-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-left: auto; }
.svc-tags span { background: rgba(255,255,255,.09); color: rgba(255,255,255,.75); padding: 3px 10px; border-radius: 20px; font-size: 11px; border: 1px solid rgba(255,255,255,.12); }

.svc-grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-bottom: 18px; }
.sg-item { background: rgba(255,255,255,.04); border: 1px solid rgba(255,255,255,.07); border-radius: var(--r); padding: 16px 14px; transition: var(--tr); }
.sg-item:hover { background: rgba(255,255,255,.08); transform: translateY(-2px); }
.sg-icon { font-size: 22px; margin-bottom: 7px; }
.sg-item h4 { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 4px; }
.sg-item p { font-size: 12px; color: rgba(255,255,255,.55); line-height: 1.55; }

.svc-result { background: rgba(255,107,0,.1); border: 1px solid rgba(255,107,0,.22); border-radius: var(--r); padding: 14px 20px; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.sr-label { font-size: 12px; font-weight: 700; color: var(--or); white-space: nowrap; flex-shrink: 0; }
.sr-stats { display: flex; gap: 28px; flex-wrap: wrap; }
.sr-stats div { text-align: center; }
.sr-stats strong { display: block; font-size: 18px; color: #fff; font-weight: 900; }
.sr-stats small { font-size: 11px; color: rgba(255,255,255,.5); }

.svc-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.sg2-block { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: var(--r); padding: 20px; }
.sg2-block.highlight { background: rgba(255,107,0,.1); border-color: rgba(255,107,0,.35); }
.sg2-tag { font-size: 11px; font-weight: 700; color: var(--or); margin-bottom: 12px; letter-spacing: 1px; text-transform: uppercase; }
.sg2-block li { font-size: 13px; color: rgba(255,255,255,.72); padding: 4px 0; }
.sg2-block li::before { content: '·'; color: var(--or); margin-right: 6px; }

.svc-flow { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; justify-content: center; }
.sf-item { background: rgba(255,255,255,.05); border: 1px solid rgba(255,255,255,.1); border-radius: var(--r); padding: 14px 16px; text-align: center; flex: 1; min-width: 110px; }
.sf-icon { font-size: 20px; margin-bottom: 5px; }
.sf-t { font-size: 12px; font-weight: 700; color: #fff; }
.sf-arr { color: var(--or); font-size: 18px; font-weight: 900; flex-shrink: 0; }

.geo-chain { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 14px 0; justify-content: center; }
.gc-item { display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,.05); border-radius: var(--r); padding: 10px 16px; flex: 1; min-width: 180px; }
.gc-num { font-size: 20px; font-weight: 900; color: var(--or); flex-shrink: 0; }
.gc-item span:last-child { font-size: 12px; color: rgba(255,255,255,.7); }
.gc-arr { color: var(--or); font-size: 18px; flex-shrink: 0; }
.geo-tip { background: rgba(255,107,0,.08); border: 1px dashed rgba(255,107,0,.35); border-radius: var(--r); padding: 10px 18px; font-size: 12px; color: rgba(255,255,255,.65); text-align: center; }

.website-cta-bar { background: rgba(255,107,0,.1); border: 1px solid rgba(255,107,0,.28); border-radius: var(--r); padding: 14px 22px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-top: 4px; }
.website-cta-bar span { font-size: 14px; font-weight: 600; color: #fff; }

.tel400-layout { display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; }
.t4-benefits { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.t4-item { display: flex; align-items: flex-start; gap: 10px; }
.t4-item > span { font-size: 22px; flex-shrink: 0; }
.t4-item strong { font-size: 13px; color: #fff; display: block; margin-bottom: 2px; }
.t4-item p { font-size: 12px; color: rgba(255,255,255,.6); }
.t4-demo { flex-shrink: 0; }
.tdc { background: linear-gradient(135deg, var(--or), #FF9300); border-radius: var(--rl); padding: 24px 22px; text-align: center; min-width: 190px; box-shadow: 0 12px 40px rgba(255,107,0,.32); }
.tdc-l { font-size: 11px; color: rgba(255,255,255,.8); margin-bottom: 8px; }
.tdc-n { font-size: 22px; font-weight: 900; color: #fff; margin-bottom: 4px; }
.tdc-s { font-size: 11px; color: rgba(255,255,255,.72); margin-bottom: 14px; }

/* ---------- 案例 ---------- */
.cases { padding: 72px 0 64px; background: var(--bg); }
.cases-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.case-card { background: #fff; border: 1px solid var(--bd); border-radius: var(--rl); padding: 22px; transition: var(--tr); }
.case-card:hover { transform: translateY(-4px); box-shadow: var(--shl); }
.case-card.featured { border-color: var(--or); background: linear-gradient(135deg,#FFF8F2,#fff); }
.cc-tag { font-size: 10px; font-weight: 700; color: var(--or); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 7px; }
.case-card h4 { font-size: 16px; font-weight: 800; color: var(--dark); margin-bottom: 12px; }
.cc-stats { display: flex; gap: 14px; margin-bottom: 12px; }
.cc-stats div span { display: block; font-size: 18px; font-weight: 900; color: var(--or); }
.cc-stats div small { font-size: 11px; color: var(--text2); }
.case-card p { font-size: 13px; color: var(--text2); line-height: 1.65; }
.cc-quote { background: var(--bg); border-radius: var(--r); padding: 14px; }
.cc-quote p { font-size: 13px; color: var(--text); line-height: 1.65; font-style: italic; margin-bottom: 6px; }
.cc-quote span { font-size: 11px; color: var(--text2); }

/* ---------- 最新资讯 ---------- */
.news { padding: 72px 0 64px; background: #fff; }
.news-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-bottom: 32px; }
.news-card { display: flex; flex-direction: column; background: var(--bg); border: 1px solid var(--bd); border-radius: var(--rl); padding: 24px; transition: var(--tr); text-decoration: none; color: inherit; }
.news-card:hover { transform: translateY(-4px); box-shadow: var(--shl); border-color: var(--or); }
.news-card.featured { border-color: var(--or); background: linear-gradient(135deg,#FFF8F2,#fff); }
.news-tag { display: inline-block; font-size: 10px; font-weight: 700; color: var(--or); background: var(--or-lt); padding: 2px 10px; border-radius: 20px; margin-bottom: 10px; letter-spacing: 1px; }
.news-card h4 { font-size: 15px; font-weight: 800; color: var(--dark); margin-bottom: 10px; line-height: 1.5; }
.news-card p { font-size: 13px; color: var(--text2); line-height: 1.7; flex: 1; margin-bottom: 16px; }
.news-meta { display: flex; justify-content: space-between; align-items: center; font-size: 11px; color: var(--text2); border-top: 1px solid var(--bd); padding-top: 12px; }
.nm-more { color: var(--or); font-weight: 700; }
.news-footer { text-align: center; }

/* ---------- 为何选择 ---------- */
.why-us { padding: 72px 0 64px; background: #fff; }
.why-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.why-item { padding: 24px; border: 1px solid var(--bd); border-radius: var(--rl); transition: var(--tr); }
.why-item:hover { border-color: var(--or); box-shadow: 0 6px 24px rgba(255,107,0,.1); transform: translateY(-3px); }
.why-icon { font-size: 32px; margin-bottom: 10px; }
.why-item h4 { font-size: 15px; font-weight: 800; color: var(--dark); margin-bottom: 7px; }
.why-item p { font-size: 13px; color: var(--text2); line-height: 1.65; }

/* ---------- 联系 ---------- */
.contact { padding: 72px 0 64px; background: linear-gradient(135deg,#14142B 0%,#0F2D50 100%); }
.contact-layout { display: grid; grid-template-columns: 1fr 1.6fr; gap: 52px; align-items: start; }
.ci-item { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 22px; }
.ci-icon { font-size: 24px; flex-shrink: 0; }
.ci-item strong { font-size: 11px; color: rgba(255,255,255,.45); display: block; margin-bottom: 3px; }
.ci-item p a, .ci-item p { font-size: 15px; font-weight: 600; color: #fff; display: block; }
.ci-item p a:hover { color: var(--or); }
.contact-slogan { font-size: 16px; font-weight: 700; color: var(--or); text-align: center; border-top: 1px solid rgba(255,255,255,.1); padding-top: 18px; margin-top: 4px; }
.contact-form { background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); border-radius: var(--rl); padding: 32px; }
.contact-form h3 { font-size: 18px; font-weight: 800; color: #fff; margin-bottom: 22px; }
.contact-form form { position: relative; }
.contact-form input,.contact-form select,.contact-form textarea { width: 100%; background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.13); border-radius: 7px; padding: 10px 14px; color: #fff; font-size: 13px; margin-bottom: 12px; outline: none; transition: var(--tr); font-family: inherit; }
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus { border-color: var(--or); background: rgba(255,255,255,.1); }
.contact-form input::placeholder,.contact-form textarea::placeholder { color: rgba(255,255,255,.38); }
.contact-form select option { background: #14142B; color: #fff; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-row input { margin-bottom: 0; }
.form-honeypot { position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden; opacity: 0; pointer-events: none; }
.form-status { min-height: 22px; margin: 4px 0 10px; font-size: 13px; line-height: 1.6; color: rgba(255,255,255,.65); }
.form-status.is-success { color: #8BFFB3; }
.form-status.is-error { color: #FFD2D2; }
.form-note { font-size: 12px; line-height: 1.6; color: rgba(255,255,255,.42); margin-top: 10px; }
.btn-submit { width: 100%; padding: 14px; background: linear-gradient(90deg,var(--or),#FF9300); border: none; border-radius: 7px; color: #fff; font-size: 15px; font-weight: 700; cursor: pointer; transition: var(--tr); font-family: inherit; margin-top: 2px; }
.btn-submit:hover { opacity: .9; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,107,0,.35); }
.btn-submit:disabled { opacity: .72; cursor: not-allowed; transform: none; box-shadow: none; }


/* ---------- Footer ---------- */
.footer { background: #0A0A18; padding: 48px 0 0; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 32px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.07); }
.logo-wrap-ft .logo-yn { color: var(--or); }
.logo-wrap-ft .logo-is { color: rgba(255,255,255,.4); }
.logo-wrap-ft .logo-cn { color: rgba(255,255,255,.45); }
.footer-brand .logo-wrap { margin-bottom: 10px; }
.footer-brand p { font-size: 12px; color: rgba(255,255,255,.35); margin-top: 8px; }
.footer-links h5,.footer-contact h5 { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 12px; }
.footer-links a { display: block; font-size: 12px; color: rgba(255,255,255,.45); padding: 3px 0; }
.footer-links a:hover { color: var(--or); }
.footer-contact p { font-size: 12px; color: rgba(255,255,255,.45); padding: 3px 0; }
.footer-bottom { padding: 16px 0; text-align: center; }
.footer-bottom p { font-size: 11px; color: rgba(255,255,255,.22); }

/* ---------- 悬浮 ---------- */
.float-contact { position: fixed; right: 18px; bottom: 70px; display: flex; flex-direction: column; gap: 8px; z-index: 999; }
.fc-btn { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 18px; box-shadow: 0 3px 12px rgba(0,0,0,.22); transition: var(--tr); position: relative; cursor: pointer; color: #fff; }
.fc-btn.tel { background: var(--or); }
.fc-btn.wechat { background: #07C160; }
.fc-btn.msg { background: #0F2D50; border: 2px solid rgba(255,255,255,.18); }
.fc-btn.top { background: var(--dark2); border: 2px solid rgba(255,255,255,.12); color: #fff; font-size: 14px; }
.fc-btn:hover { transform: scale(1.1); }
.fc-tip { position: absolute; right: 52px; background: rgba(0,0,0,.8); color: #fff; padding: 5px 10px; border-radius: 5px; font-size: 11px; white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .2s; }
.fc-btn:hover .fc-tip { opacity: 1; }

/* 微信弹窗 */
.wechat-modal { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 9999; align-items: center; justify-content: center; }
.wechat-modal.show { display: flex; }
.wm-box { background: #fff; border-radius: 16px; padding: 36px 32px 28px; max-width: 320px; width: 90%; text-align: center; position: relative; box-shadow: 0 20px 60px rgba(0,0,0,.25); animation: popIn .25s ease; }
@keyframes popIn { from { transform: scale(.88); opacity: 0; } to { transform: scale(1); opacity: 1; } }
.wm-close { position: absolute; top: 14px; right: 16px; background: none; border: none; font-size: 22px; color: #999; cursor: pointer; line-height: 1; }
.wm-close:hover { color: #333; }
.wm-icon { margin-bottom: 10px; }
.wm-box h3 { font-size: 20px; font-weight: 700; margin-bottom: 6px; color: var(--text); }
.wm-sub { font-size: 12px; color: var(--text2); margin-bottom: 16px; line-height: 1.5; }
.wm-id { display: flex; align-items: center; justify-content: center; gap: 8px; background: #f4f4f8; border-radius: 8px; padding: 12px 16px; margin-bottom: 12px; }
.wm-id span { font-size: 13px; color: var(--text2); }
.wm-id strong { font-size: 16px; color: var(--text); letter-spacing: .5px; }
.wm-copy { background: #07C160; color: #fff; border: none; border-radius: 6px; padding: 5px 12px; font-size: 12px; cursor: pointer; transition: var(--tr); }
.wm-copy:hover { background: #05a350; }
.wm-tip { font-size: 11px; color: #bbb; margin-top: 4px; }
.wm-call-btn { display: block; margin-top: 14px; padding: 10px 0; background: var(--or-lt); color: var(--or); border-radius: 8px; font-size: 13px; font-weight: 600; text-align: center; text-decoration: none; transition: var(--tr); }
.wm-call-btn:hover { background: var(--or); color: #fff; }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .biz-cards { grid-template-columns: repeat(3,1fr); }
  .biz-card { border-right: none; border-bottom: 1px solid var(--bd); }
  .about-layout { gap: 30px; }
  .svc-grid-3 { grid-template-columns: repeat(2,1fr); }
  .cases-grid { grid-template-columns: repeat(2,1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .section-header h2 { font-size: 24px; }
  .section-header { margin-bottom: 24px; }

  /* 导航 */
  .nav-menu { display: none; flex-direction: column; position: absolute; top: 64px; left: 0; right: 0; background: rgba(20,20,43,.98); padding: 14px 16px; gap: 2px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 10px 14px; }
  .hamburger { display: flex; }
  .nav-cta { display: none; }
  .nav-inner { gap: 12px; }
  .logo-cn { display: none; }

  /* Hero */
  .hero { min-height: 85vh; }
  .hero-title { font-size: 34px; }
  .hero-sub { font-size: 13px; }
  .hero-stats { padding: 14px 16px; }
  .stat-item { padding: 0 10px; }
  .stat-num { font-size: 22px; }

  /* 业务卡片 */
  .biz-cards { grid-template-columns: repeat(3,1fr); }

  /* 关于 */
  .about { padding: 52px 0 48px; }
  .about-layout { grid-template-columns: 1fr; gap: 24px; }
  .about-values { grid-template-columns: 1fr 1fr; }

  /* 业务 */
  .services { padding: 52px 0 48px; }
  .svc-block { padding: 20px; }
  .svc-grid-3 { grid-template-columns: 1fr 1fr; }
  .svc-grid-2 { grid-template-columns: 1fr; }
  .svc-flow { flex-direction: column; }
  .sf-arr { transform: rotate(90deg); }
  .tel400-layout { grid-template-columns: 1fr; }
  .t4-benefits { grid-template-columns: 1fr; }
  .geo-chain { flex-direction: column; }
  .gc-arr { transform: rotate(90deg); }

  /* 案例 */
  .cases { padding: 52px 0 48px; }
  .cases-grid { grid-template-columns: 1fr 1fr; }

  /* 资讯 */
  .news { padding: 52px 0 48px; }
  .news-grid { grid-template-columns: 1fr; }

  /* 为何 */
  .why-us { padding: 52px 0 48px; }
  .why-grid { grid-template-columns: repeat(2,1fr); gap: 14px; }

  /* 联系 */
  .contact { padding: 52px 0 48px; }
  .contact-layout { grid-template-columns: 1fr; gap: 28px; }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer { padding: 36px 0 0; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 20px; }
}

@media (max-width: 480px) {
  .biz-cards { grid-template-columns: repeat(2,1fr); }
  .hero-btns { flex-direction: column; align-items: center; }
  .hero-stats { flex-direction: column; gap: 12px; }
  .stat-divider { display: none; }
  .about-values { grid-template-columns: 1fr; }
  .svc-grid-3 { grid-template-columns: 1fr; }
  .cases-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; }
  .svc-hd { gap: 10px; }
  .svc-num { font-size: 32px; }
}

/* ============================================================
   博客列表页样式
   ============================================================ */
.blog-page { background: var(--bg); padding: 48px 0 64px; }
.blog-page > .container > h1,
.blog-main > h1 { font-size: 28px; font-weight: 900; color: var(--dark); margin-bottom: 6px; }
.blog-main > p { font-size: 13px; color: var(--text2); margin-bottom: 28px; }

/* 双栏布局 */
.blog-layout { display: grid; grid-template-columns: 1fr 300px; gap: 32px; align-items: start; }
.blog-main { min-width: 0; }

/* 文章列表 */
.blog-list { display: flex; flex-direction: column; gap: 16px; }
.blog-item { display: block; background: #fff; border: 1px solid var(--bd); border-radius: var(--rl); padding: 24px 28px; text-decoration: none; color: inherit; transition: var(--tr); }
.blog-item:hover { border-color: var(--or); box-shadow: 0 6px 24px rgba(0,0,0,.08); transform: translateY(-2px); }
.bi-tag { display: inline-block; font-size: 11px; font-weight: 700; color: var(--or); background: var(--or-lt); border: 1px solid rgba(255,107,0,.2); padding: 2px 10px; border-radius: 20px; margin-bottom: 10px; }
.blog-item h2 { font-size: 18px; font-weight: 800; color: var(--dark); line-height: 1.5; margin-bottom: 8px; }
.blog-item p { font-size: 13px; color: var(--text2); line-height: 1.75; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.bi-meta { display: flex; gap: 14px; font-size: 12px; color: #aaa; align-items: center; flex-wrap: wrap; }
.bi-more { color: var(--or); font-weight: 600; margin-left: auto; }

/* 侧边栏 */
.blog-sidebar { display: flex; flex-direction: column; gap: 20px; }
.sb-block { background: #fff; border: 1px solid var(--bd); border-radius: var(--rl); padding: 20px 22px; }
.sb-block h3 { font-size: 14px; font-weight: 800; color: var(--dark); margin-bottom: 14px; padding-bottom: 10px; border-bottom: 2px solid var(--or); display: inline-block; }
.sb-cat-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.sb-cat-list a { font-size: 13px; color: var(--text2); padding: 5px 10px; border-radius: 6px; display: block; transition: var(--tr); }
.sb-cat-list a:hover, .sb-cat-list a.active { background: var(--or-lt); color: var(--or); font-weight: 600; }
.sb-recent-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.sb-recent-list a { font-size: 13px; color: var(--text2); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sb-recent-list a:hover { color: var(--or); }
.sb-contact-card { background: linear-gradient(135deg, var(--dark), var(--dark2)) !important; border: none !important; text-align: center; }
.sb-contact-card h3 { color: #fff !important; border-color: rgba(255,255,255,.3) !important; }
.sb-contact-card p { font-size: 13px; color: rgba(255,255,255,.6); margin-bottom: 6px; }
.sb-contact-card p a { color: #fff; font-weight: 600; }
.sb-contact-card .btn-primary-sm { margin-top: 14px; display: inline-block; }

/* 博客列表页响应式 */
@media (max-width: 960px) {
  .blog-layout { grid-template-columns: 1fr; }
  .blog-sidebar { display: grid; grid-template-columns: 1fr 1fr; }
  .sb-contact-card { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  .blog-page { padding: 32px 0 48px; }
  .blog-item { padding: 18px 16px; }
  .blog-item h2 { font-size: 16px; }
  .blog-sidebar { display: flex; }
}