/* ============================================================================
   成都中软凯思科技有限公司 官网 —— 设计系统 / 主样式表
   ----------------------------------------------------------------------------
   品牌色系：
     主色  #0B57D0（浪潮蓝）
     深色  #073B8F
     强调  #FF6A00（行动按钮橙）
     文字  #1F2937 / 次级 #6B7280
   布局：CSS Grid + Flex，移动优先
   断点：1024（平板/抽屉导航） 900 768 640 480（手机）
   ============================================================================ */

/* ==========================================================================
   0. 设计令牌
   ========================================================================== */
:root{
  --c-primary:#0B57D0;
  --c-primary-dark:#073B8F;
  --c-primary-light:#E8F0FE;
  --c-accent:#FF6A00;
  --c-text:#1F2937;
  --c-text-2:#6B7280;
  --c-text-3:#9CA3AF;
  --c-border:#E5E7EB;
  --c-bg:#FFFFFF;
  --c-bg-gray:#F5F7FA;
  --c-dark:#0F1B2D;
  --shadow-1:0 1px 3px rgba(0,0,0,.07);
  --shadow-2:0 8px 26px rgba(11,87,208,.10);
  --shadow-3:0 16px 44px rgba(15,27,45,.14);
  --radius:10px;
  --radius-sm:6px;
  --radius-lg:16px;
  --maxw:1200px;
  --header-h:74px;
  --font:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
}

/* ==========================================================================
   1. 基础重置
   ========================================================================== */
*,*::before,*::after{ box-sizing:border-box; margin:0; padding:0; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  font-family:var(--font);
  font-size:15px; line-height:1.7; color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; height:auto; display:block; border:0; }
a{ color:inherit; text-decoration:none; transition:color .2s,background .2s,opacity .2s; }
ul,ol{ list-style:none; }
button{ font-family:inherit; cursor:pointer; border:0; background:none; color:inherit; }
input,select,textarea{ font-family:inherit; font-size:inherit; color:inherit; }
h1,h2,h3,h4{ font-weight:700; line-height:1.35; }
em,i{ font-style:normal; }
::selection{ background:var(--c-primary); color:#fff; }

/* 滚动条（桌面端） */
@media (min-width:1024px){
  ::-webkit-scrollbar{ width:9px; height:9px; }
  ::-webkit-scrollbar-track{ background:#F1F3F5; }
  ::-webkit-scrollbar-thumb{ background:#C7CDD4; border-radius:5px; }
  ::-webkit-scrollbar-thumb:hover{ background:#A8B0B9; }
}

/* ==========================================================================
   2. 通用工具类
   ========================================================================== */
.container{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 20px; }
.text-center{ text-align:center; }
.hidden{ display:none !important; }

/* 区块 */
.section{ padding:68px 0; }
.section.is-gray{ background:var(--c-bg-gray); }
.section-head{ text-align:center; margin-bottom:42px; }
.sec-tag{
  display:inline-block; font-size:12.5px; font-weight:600; letter-spacing:.1em;
  color:var(--c-primary); background:var(--c-primary-light);
  padding:5px 14px; border-radius:20px; margin-bottom:14px;
}
.sec-title{ font-size:31px; font-weight:700; color:var(--c-text); letter-spacing:.01em; }
.sec-sub{ margin-top:12px; font-size:14.5px; color:var(--c-text-2); }

/* 空状态 */
.empty{
  text-align:center; padding:70px 24px; color:var(--c-text-2);
  background:#fff; border:1px dashed var(--c-border); border-radius:var(--radius);
}
.empty h2{ font-size:20px; color:var(--c-text); margin-bottom:10px; }
.empty p{ margin-bottom:20px; font-size:14px; }

/* 按钮 */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:7px;
  padding:11px 28px; border-radius:var(--radius-sm);
  font-size:14.5px; font-weight:600; line-height:1.4;
  border:1px solid transparent; cursor:pointer; white-space:nowrap;
  transition:all .22s ease;
}
.btn-primary{ background:var(--c-primary); color:#fff; }
.btn-primary:hover{ background:var(--c-primary-dark); box-shadow:0 8px 20px rgba(11,87,208,.28); transform:translateY(-1px); }
.btn-accent{ background:var(--c-accent); color:#fff; }
.btn-accent:hover{ filter:brightness(1.07); box-shadow:0 8px 20px rgba(255,106,0,.3); transform:translateY(-1px); }
.btn-ghost{ border-color:var(--c-primary); color:var(--c-primary); background:#fff; }
.btn-ghost:hover{ background:var(--c-primary-light); }
.btn-lg{ padding:14px 40px; font-size:16px; border-radius:var(--radius); }
.btn-sm{ padding:7px 18px; font-size:13.5px; }
.btn-block{ width:100%; }
.btn[disabled]{ opacity:.55; cursor:not-allowed; transform:none !important; }

/* 进场动画 */
.reveal{ opacity:0; transform:translateY(24px); transition:opacity .65s ease,transform .65s ease; }
.reveal.is-in{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){
  .reveal{ opacity:1; transform:none; transition:none; }
  html{ scroll-behavior:auto; }
}

/* 轻提示 */
.wb-toast{
  position:fixed; left:50%; top:26px; z-index:9999;
  transform:translate(-50%,-140%);
  background:var(--c-dark); color:#fff;
  padding:12px 26px; border-radius:30px; font-size:14px;
  box-shadow:var(--shadow-3); opacity:0; pointer-events:none;
  transition:transform .3s ease,opacity .3s ease;
  max-width:88vw; text-align:center;
}
.wb-toast.show{ transform:translate(-50%,0); opacity:1; }
.wb-toast.is-ok{ background:#047857; }
.wb-toast.is-error{ background:#B42318; }

/* ==========================================================================
   3. 顶部导航
   ========================================================================== */
.site-header{
  position:sticky; top:0; z-index:900;
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .25s;
}
.site-header.is-scrolled{ box-shadow:0 3px 16px rgba(15,27,45,.08); }
.header-inner{
  width:100%; max-width:var(--maxw); margin:0 auto; padding:0 20px;
  height:var(--header-h);
  display:flex; align-items:center; justify-content:space-between; gap:20px;
}

/* 品牌 */
.brand{ display:flex; align-items:center; gap:11px; flex-shrink:0; }
.brand-logo{
  width:auto; height:38px; max-width:132px; object-fit:contain; border-radius:4px;
}
.brand-text{ display:flex; flex-direction:column; line-height:1.25; }
.brand-name{ font-size:17px; font-weight:700; color:var(--c-text); }
.brand-sub{ font-size:10.5px; color:var(--c-text-3); letter-spacing:.06em; white-space:nowrap; }

/* 导航 */
.main-nav ul{ display:flex; align-items:center; gap:2px; }
.main-nav a{
  display:block; padding:9px 15px; border-radius:var(--radius-sm);
  font-size:15px; font-weight:500; color:#374151; white-space:nowrap;
}
.main-nav a:hover{ color:var(--c-primary); background:var(--c-primary-light); }
.main-nav li.is-active > a{ color:var(--c-primary); font-weight:700; background:var(--c-primary-light); }
.main-nav .nav-cta{ margin-left:12px; }
.main-nav .nav-cta a{
  background:var(--c-primary); color:#fff; font-weight:600;
  padding:10px 22px; box-shadow:0 4px 12px rgba(11,87,208,.24);
}
.main-nav .nav-cta a:hover{ background:var(--c-primary-dark); color:#fff; }

/* 汉堡按钮 */
.nav-toggle{
  display:none; width:42px; height:42px;
  flex-direction:column; justify-content:center; align-items:center; gap:5px;
  border-radius:var(--radius-sm);
}
.nav-toggle span{
  display:block; width:22px; height:2px; background:var(--c-text);
  border-radius:2px; transition:transform .3s,opacity .2s;
}
.nav-toggle.is-open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2){ opacity:0; }
.nav-toggle.is-open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

@media (max-width:1023px){
  :root{ --header-h:62px; }
  .nav-toggle{ display:flex; }
  .brand-logo{ height:32px; }
  .brand-name{ font-size:15.5px; }
  .brand-sub{ display:none; }
  .main-nav{
    position:fixed; left:0; right:0; top:var(--header-h);
    background:#fff; border-bottom:1px solid var(--c-border);
    box-shadow:0 16px 30px rgba(15,27,45,.12);
    max-height:calc(100vh - var(--header-h)); overflow-y:auto;
    transform:translateY(-130%); opacity:0; visibility:hidden;
    transition:transform .32s ease,opacity .28s ease,visibility .28s;
    padding:10px 16px 22px;
  }
  .main-nav.open{ transform:translateY(0); opacity:1; visibility:visible; }
  .main-nav ul{ flex-direction:column; align-items:stretch; gap:2px; }
  .main-nav a{ padding:13px 14px; font-size:15.5px; border-radius:var(--radius-sm); }
  .main-nav li.is-active > a{ background:var(--c-primary-light); }
  .main-nav .nav-cta{ margin:10px 0 0; }
  .main-nav .nav-cta a{ text-align:center; padding:13px; }
}
body.nav-open{ overflow:hidden; }

/* ==========================================================================
   4. 首页 Hero（轮播）
   ========================================================================== */
.hero{
  position:relative; overflow:hidden;
  background:linear-gradient(135deg,#0A2A5E 0%,#0B57D0 52%,#1B7AE0 100%);
  min-height:calc(100vh - var(--header-h));
  display:flex; align-items:center;
}
.hero::before{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:
    radial-gradient(760px 380px at 88% 12%,rgba(255,255,255,.14),transparent 62%),
    radial-gradient(620px 420px at 6% 92%,rgba(255,106,0,.16),transparent 60%);
}
.hero-slide{
  position:absolute; inset:0;
  opacity:0; visibility:hidden;
  transition:opacity .75s ease,visibility .75s;
  display:flex; align-items:center;
}
.hero-slide.is-active{ opacity:1; visibility:visible; position:relative; }
.hero-inner{
  position:relative; z-index:2;
  width:100%; max-width:var(--maxw); margin:0 auto; padding:64px 20px;
  display:grid; grid-template-columns:1.06fr .94fr; gap:52px; align-items:center;
}
.hero-tag{
  display:inline-block; font-size:13px; font-weight:600; letter-spacing:.08em;
  color:#CFE0FF; background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  padding:6px 16px; border-radius:20px; margin-bottom:20px;
}
.hero-text h1{
  font-size:44px; line-height:1.26; font-weight:700; color:#fff;
  letter-spacing:.01em;
}
.hero-text > p{
  margin-top:20px; font-size:16.5px; line-height:1.85;
  color:rgba(255,255,255,.86); max-width:610px;
}
.hero-btns{ margin-top:34px; display:flex; gap:14px; flex-wrap:wrap; }
.hero .btn-primary{ background:#fff; color:var(--c-primary); }
.hero .btn-primary:hover{ background:#F0F5FF; box-shadow:0 10px 26px rgba(0,0,0,.2); }
.hero .btn-ghost{ border-color:rgba(255,255,255,.55); color:#fff; background:transparent; }
.hero .btn-ghost:hover{ background:rgba(255,255,255,.14); }
.hero-figure{ display:flex; justify-content:center; align-items:center; }
.hero-figure img{
  width:100%; max-width:560px; border-radius:var(--radius-lg);
  box-shadow:0 26px 60px rgba(0,0,0,.32);
  background:#fff;
}
.hero-dots{
  position:absolute; left:50%; bottom:30px; transform:translateX(-50%);
  z-index:6; display:flex; gap:12px;
}
.hero-dot{
  width:34px; height:34px; border-radius:50%;
  background:rgba(255,255,255,.22);
  border:1px solid rgba(255,255,255,.42);
  color:rgba(255,255,255,.9);
  font-size:14px; font-weight:700; line-height:1;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; padding:0;
  transition:background .25s,color .25s,transform .25s,box-shadow .25s;
}
.hero-dot:hover{
  background:rgba(255,255,255,.42); color:#fff; transform:translateY(-2px);
}
.hero-dot.is-active{
  background:#fff; color:var(--c-primary);
  box-shadow:0 6px 18px rgba(0,0,0,.25); transform:scale(1.08);
}

@media (max-width:1023px){
  .hero{ min-height:auto; }
  .hero-slide.is-active{ display:block; }
  .hero-inner{ grid-template-columns:1fr; gap:34px; padding:52px 20px 74px; }
  .hero-text h1{ font-size:33px; }
  .hero-figure img{ max-width:100%; }
}
@media (max-width:640px){
  .hero-inner{ padding:38px 18px 66px; gap:26px; }
  .hero-text h1{ font-size:26px; }
  .hero-text > p{ font-size:15px; }
  .hero-btns .btn{ flex:1 1 auto; }
}

/* ==========================================================================
   5. 数据亮点条
   --------------------------------------------------------------------------
   原为上提覆盖式设计（margin-top:-52px），会压住 Hero 轮播底部的页码。
   现改为完全落在 Hero 下方：下移约 108px（≈2.9cm），不再遮挡轮播。
   ========================================================================== */
.stat-bar{
  display:grid; grid-template-columns:repeat(4,1fr); gap:20px;
  margin-top:56px; position:relative; z-index:20;
}
.stat-card{
  background:#fff; border:1px solid var(--c-border); border-radius:var(--radius);
  padding:26px 22px; text-align:center;
  box-shadow:var(--shadow-2);
  transition:transform .25s,box-shadow .25s;
}
.stat-bar .stat-card{ margin:0; }
.stat-card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-3); }
.stat-card strong{ display:block; font-size:34px; font-weight:800; color:var(--c-primary); line-height:1.15; }
.stat-card span{ display:block; margin-top:6px; font-size:14.5px; font-weight:600; color:var(--c-text); }
.stat-card em{ display:block; margin-top:5px; font-size:12.5px; color:var(--c-text-3); }
@media (max-width:900px){ .stat-bar{ grid-template-columns:repeat(2,1fr); margin-top:26px; padding:0; } }
@media (max-width:640px){ .stat-bar{ gap:12px; } .stat-card{ padding:20px 12px; } .stat-card strong{ font-size:26px; } }

/* ==========================================================================
   6. 产品卡片（首页 / 相关产品）
   ========================================================================== */
.product-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.p-card{
  display:flex; flex-direction:column; overflow:hidden;
  background:#fff; border:1px solid var(--c-border); border-radius:var(--radius);
  box-shadow:var(--shadow-1);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s;
}
.p-card:hover{ transform:translateY(-6px); box-shadow:var(--shadow-3); border-color:#BFD3F5; }
.p-card-img{
  aspect-ratio:16/9; overflow:hidden; background:#F1F5FD;
  display:flex; align-items:center; justify-content:center;
}
.p-card-img img{ width:100%; height:100%; object-fit:contain; padding:12px; transition:transform .4s ease; }
.p-card:hover .p-card-img img{ transform:scale(1.06); }
.p-card-body{ padding:18px 20px 20px; display:flex; flex-direction:column; flex:1; }
.p-card-body h3{ font-size:17px; font-weight:700; color:var(--c-text); display:flex; align-items:baseline; gap:8px; flex-wrap:wrap; }
.p-card-body h3 em{ font-size:11px; color:var(--c-text-3); font-weight:400; letter-spacing:.04em; }
.p-slogan{
  margin-top:9px; font-size:13.5px; font-weight:600; color:var(--c-primary);
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.p-summary{
  margin-top:8px; font-size:13px; color:var(--c-text-2); flex:1; line-height:1.75;
  display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden;
}
.p-more{
  margin-top:14px; font-size:13.5px; font-weight:600; color:var(--c-primary);
  display:inline-flex; align-items:center; gap:5px;
}
.p-more i{ transition:transform .25s; font-style:normal; }
.p-card:hover .p-more i{ transform:translateX(4px); }
@media (max-width:1100px){ .product-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .product-grid{ grid-template-columns:1fr; gap:16px; } }

/* ==========================================================================
   7. 服务优势卡片
   ========================================================================== */
.value-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.v-card{
  background:var(--c-bg-gray); border:1px solid transparent; border-radius:var(--radius);
  padding:30px 24px; transition:all .28s ease;
}
.v-card:hover{ background:#fff; border-color:var(--c-border); box-shadow:var(--shadow-2); transform:translateY(-4px); }
.v-icon{
  width:54px; height:54px; border-radius:14px; background:#fff;
  display:flex; align-items:center; justify-content:center; margin-bottom:18px;
  box-shadow:var(--shadow-1); overflow:hidden;
}
.v-icon img{ width:30px; height:30px; object-fit:contain; }
.v-card h3{ font-size:16.5px; font-weight:700; margin-bottom:10px; }
.v-card p{ font-size:13.5px; color:var(--c-text-2); line-height:1.8; }
@media (max-width:1023px){ .value-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .value-grid{ grid-template-columns:1fr; gap:14px; } .v-card{ padding:24px 20px; } }

/* ==========================================================================
   8. 行业方案卡片
   ========================================================================== */
.industry-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.i-card{
  background:#fff; border:1px solid var(--c-border); border-radius:var(--radius);
  padding:28px 24px; transition:all .28s ease;
}
.i-card:hover{ transform:translateY(-5px); box-shadow:var(--shadow-2); border-color:#BFD3F5; }
.i-card-icon{
  width:56px; height:56px; border-radius:14px; background:var(--c-primary-light);
  display:flex; align-items:center; justify-content:center; margin-bottom:16px;
}
.i-card-icon img{ width:34px; height:34px; object-fit:contain; }
.i-card h3{ font-size:17.5px; font-weight:700; margin-bottom:10px; }
.i-card p{ font-size:13.5px; color:var(--c-text-2); line-height:1.8; }
.i-card ul{ margin-top:14px; }
.i-card ul li{
  position:relative; padding-left:16px; margin-top:8px;
  font-size:13px; color:#4B5563; line-height:1.7;
}
.i-card ul li::before{
  content:""; position:absolute; left:0; top:9px;
  width:6px; height:6px; border-radius:50%; background:var(--c-primary);
}
/* 产品页的大卡片布局 */
.i-card-lg{ display:flex; gap:24px; align-items:flex-start; padding:30px 28px; }
.i-card-lg .i-card-icon{ flex-shrink:0; margin-bottom:0; width:64px; height:64px; }
.i-card-lg .i-card-icon img{ width:38px; height:38px; }
.i-card-main{ flex:1; min-width:0; }
.i-card-main h3{ font-size:19px; }
.i-card-main p{ font-size:14px; }
@media (max-width:1023px){ .industry-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:768px){
  .industry-grid{ grid-template-columns:1fr; }
  .i-card-lg{ flex-direction:column; gap:16px; }
}
@media (max-width:560px){ .industry-grid{ gap:14px; } .i-card{ padding:22px 18px; } }

/* ==========================================================================
   9. 新闻卡片（首页）
   ========================================================================== */
.news-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.n-card{
  display:flex; gap:18px; padding:24px 22px;
  background:#fff; border:1px solid var(--c-border); border-radius:var(--radius);
  transition:all .28s ease;
}
.n-card:hover{ transform:translateY(-5px); box-shadow:var(--shadow-2); border-color:#BFD3F5; }
.n-card-date{
  flex-shrink:0; width:66px; text-align:center;
  border-right:1px solid var(--c-border); padding-right:16px;
}
.n-card-date strong{ display:block; font-size:28px; font-weight:800; color:var(--c-primary); line-height:1.1; }
.n-card-date span{ display:block; margin-top:2px; font-size:11.5px; color:var(--c-text-3); }
.n-card-body{ flex:1; min-width:0; }
.n-cat{
  display:inline-block; font-size:11.5px; font-weight:600;
  color:var(--c-primary); background:var(--c-primary-light);
  padding:2px 9px; border-radius:4px;
}
.n-card-body h3{
  margin-top:9px; font-size:16px; font-weight:700; line-height:1.5;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.n-card:hover .n-card-body h3{ color:var(--c-primary); }
.n-card-body p{
  margin-top:8px; font-size:13px; color:var(--c-text-2); line-height:1.75;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
@media (max-width:1023px){ .news-grid{ grid-template-columns:1fr; } }
@media (max-width:560px){ .news-grid{ gap:14px; } .n-card{ padding:18px 16px; gap:14px; } .n-card-date{ width:56px; padding-right:12px; } .n-card-date strong{ font-size:23px; } }

/* ==========================================================================
   10. 首页 CTA 区（关于简介 + 时间线）
   ========================================================================== */
.cta-band{
  background:linear-gradient(135deg,#0A2A5E 0%,#0B57D0 100%);
  color:#fff; padding:62px 0;
}
.cta-inner{
  width:100%; max-width:var(--maxw); margin:0 auto; padding:0 20px;
  display:flex; align-items:center; justify-content:space-between; gap:34px; flex-wrap:wrap;
}
/* 首页底部行动号召（浅灰底 .section.is-gray 之上，文字必须用品牌蓝，避免白字不可见） */
.section.is-gray .cta-inner h2{
  font-size:27px; color:var(--c-primary);
}
.section.is-gray .cta-inner p{
  margin-top:12px; font-size:14.5px; color:var(--c-text-2);
  max-width:640px; line-height:1.85;
}
.section.is-gray .cta-inner .btn-primary{
  background:var(--c-primary); color:#fff; flex-shrink:0;
}
.section.is-gray .cta-inner .btn-primary:hover{
  background:var(--c-primary-dark); box-shadow:0 10px 26px rgba(11,87,208,.28);
}

/* 深色底 CTA 区（.cta-band，如首页关于区块）保持白字 */
.cta-inner h2{ font-size:27px; color:#fff; }
.cta-inner p{ margin-top:12px; font-size:14.5px; color:rgba(255,255,255,.84); max-width:640px; line-height:1.85; }
.cta-inner .btn-primary{ background:#fff; color:var(--c-primary); flex-shrink:0; }
.cta-inner .btn-primary:hover{ background:#F0F5FF; box-shadow:0 10px 26px rgba(0,0,0,.22); }

/* 首页关于区块（homeAbout） */
#homeAbout{
  display:grid; grid-template-columns:1.1fr .9fr; gap:52px; align-items:center;
  width:100%; max-width:var(--maxw); margin:0 auto; padding:0 20px;
}
.cta-text .sec-tag{ background:rgba(255,255,255,.16); color:#fff; }
.cta-text h2{ font-size:29px; color:#fff; }
.cta-text p{ margin-top:16px; font-size:14.5px; color:rgba(255,255,255,.85); line-height:1.9; }
.cta-text .btn{ margin-top:26px; background:#fff; color:var(--c-primary); }
.cta-text .btn:hover{ background:#F0F5FF; }
.cta-timeline{ display:flex; flex-direction:column; gap:0; position:relative; padding-left:22px; }
.cta-timeline::before{ content:""; position:absolute; left:5px; top:8px; bottom:8px; width:1px; background:rgba(255,255,255,.28); }
.cta-tl-item{ position:relative; padding:0 0 22px 8px; }
.cta-tl-item:last-child{ padding-bottom:0; }
.cta-tl-item::before{
  content:""; position:absolute; left:-21px; top:7px;
  width:9px; height:9px; border-radius:50%; background:#fff;
  box-shadow:0 0 0 4px rgba(255,255,255,.18);
}
.cta-tl-item strong{ display:block; font-size:15.5px; font-weight:700; color:#FFD79A; }
.cta-tl-item span{ display:block; margin-top:4px; font-size:13.5px; color:rgba(255,255,255,.82); line-height:1.7; }
@media (max-width:900px){
  #homeAbout{ grid-template-columns:1fr; gap:34px; padding:0 20px; }
  .cta-inner{ flex-direction:column; align-items:flex-start; }
}

/* ==========================================================================
   11. 内页 Banner
   ========================================================================== */
.page-banner{
  background:linear-gradient(135deg,#0A2A5E 0%,#0B57D0 60%,#1B7AE0 100%);
  color:#fff; padding:56px 0 52px; position:relative; overflow:hidden;
}
.page-banner::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background:radial-gradient(620px 260px at 84% 30%,rgba(255,255,255,.14),transparent 62%);
}
.page-banner .container{ position:relative; z-index:2; }
.page-banner h1{ font-size:34px; font-weight:700; letter-spacing:.01em; }
.page-banner .crumb{ margin-top:12px; font-size:13.5px; color:rgba(255,255,255,.72); }
.page-banner .crumb a:hover{ color:#fff; }
.page-banner .crumb span{ margin:0 8px; color:rgba(255,255,255,.45); }
@media (max-width:640px){
  .page-banner{ padding:38px 0 34px; }
  .page-banner h1{ font-size:24px; }
}

/* ==========================================================================
   12. 内页布局（侧栏 + 内容）
   ========================================================================== */
.inner-layout{
  display:grid; grid-template-columns:1fr 264px; gap:34px;
  padding:46px 0 68px; align-items:start;
}
.side-menu{
  background:#fff; border:1px solid var(--c-border); border-radius:var(--radius);
  overflow:hidden; position:sticky; top:calc(var(--header-h) + 20px);
}
.side-menu-title{
  background:var(--c-primary); color:#fff; font-size:16px; font-weight:700;
  padding:17px 22px; letter-spacing:.02em;
}
.side-menu ul li a{
  display:block; padding:14px 22px; font-size:14.5px; color:#374151;
  border-bottom:1px solid #F1F3F5; position:relative;
}
.side-menu ul li:last-child a{ border-bottom:0; }
.side-menu ul li a:hover{ background:var(--c-bg-gray); color:var(--c-primary); padding-left:27px; }
.side-menu ul li.is-active a{
  background:var(--c-primary-light); color:var(--c-primary); font-weight:600;
}
.side-menu ul li.is-active a::before{
  content:""; position:absolute; left:0; top:0; bottom:0; width:4px; background:var(--c-primary);
}
.side-box{
  margin-top:20px; background:var(--c-bg-gray); border-radius:var(--radius);
  padding:22px 20px; border:1px solid var(--c-border);
}
.side-box h4{ font-size:15px; font-weight:700; margin-bottom:12px; color:var(--c-text); }
.side-box p{ font-size:13px; color:var(--c-text-2); line-height:1.8; }
.side-box .sb-tel{ display:block; margin-top:10px; font-size:18px; font-weight:800; color:var(--c-primary); letter-spacing:.01em; }
.side-box .btn{ margin-top:14px; width:100%; }

.content-box{
  background:#fff; border:1px solid var(--c-border); border-radius:var(--radius);
  padding:36px 40px; min-height:380px;
}
.content-box > h2:first-child,
.content-box > h3:first-child{ margin-top:0; }
.content-box h2{ font-size:23px; font-weight:700; margin-bottom:18px; }
.content-box h2.sub{ font-size:19px; margin-top:30px; }
.content-box h3{
  font-size:17px; font-weight:700; margin:26px 0 10px;
  padding-left:12px; border-left:4px solid var(--c-primary); line-height:1.4;
}
.content-box p{ margin-top:11px; color:#374151; font-size:15px; line-height:1.95; text-align:justify; }
.content-box ul.dots{ margin-top:12px; }
.content-box ul.dots li{
  position:relative; padding-left:18px; margin-top:8px;
  font-size:14.5px; color:#374151; line-height:1.85;
}
.content-box ul.dots li::before{
  content:""; position:absolute; left:0; top:10px;
  width:6px; height:6px; border-radius:50%; background:var(--c-primary);
}
@media (max-width:1023px){
  .inner-layout{ grid-template-columns:1fr; gap:24px; padding:32px 0 52px; }
  .side-menu{ position:static; }
  .side-menu ul{ display:grid; grid-template-columns:repeat(2,1fr); }
  .side-menu ul li a{ border-right:1px solid #F1F3F5; }
}
@media (max-width:640px){
  .side-menu ul{ grid-template-columns:1fr; }
  .content-box{ padding:24px 18px; }
  .content-box h2{ font-size:19.5px; }
}

/* ==========================================================================
   13. 产品及方案列表页
   ========================================================================== */
.anchor-nav{
  display:flex; gap:12px; flex-wrap:wrap; justify-content:center;
  padding:22px 0 0; margin-bottom:-8px;
}
.anchor-nav a{
  padding:8px 22px; border-radius:22px; font-size:14px; font-weight:600;
  color:var(--c-text-2); background:var(--c-bg-gray); border:1px solid transparent;
}
.anchor-nav a:hover{ color:var(--c-primary); background:var(--c-primary-light); }
.anchor-nav a.is-active{ background:var(--c-primary); color:#fff; box-shadow:0 4px 12px rgba(11,87,208,.24); }

.pl-list{ display:flex; flex-direction:column; gap:26px; }
.pl-item{
  display:grid; grid-template-columns:400px 1fr; gap:34px; align-items:center;
  background:#fff; border:1px solid var(--c-border); border-radius:var(--radius);
  padding:28px; transition:box-shadow .28s,border-color .28s;
}
.pl-item:hover{ box-shadow:var(--shadow-2); border-color:#BFD3F5; }
.pl-figure{
  border-radius:var(--radius); overflow:hidden; background:#F1F5FD;
  aspect-ratio:16/10; display:flex; align-items:center; justify-content:center;
}
.pl-figure img{ width:100%; height:100%; object-fit:contain; padding:14px; }
.pl-content{ min-width:0; }
.pl-head{ display:flex; align-items:baseline; gap:12px; flex-wrap:wrap; }
.pl-head h2{ font-size:23px; font-weight:700; }
.pl-head em{ font-size:12px; color:var(--c-text-3); letter-spacing:.04em; }
.pl-slogan{ margin-top:10px; font-size:14.5px; font-weight:600; color:var(--c-primary); }
.pl-summary{ margin-top:10px; font-size:14px; color:var(--c-text-2); line-height:1.85; }
.pl-feats{ margin-top:16px; display:grid; grid-template-columns:repeat(2,1fr); gap:9px 18px; }
.pl-feats li{ display:flex; gap:8px; align-items:baseline; font-size:13px; color:#4B5563; }
.pl-feats li strong{ color:var(--c-text); font-weight:600; flex-shrink:0; }
.pl-feats li span{
  flex:1; min-width:0; overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.pl-actions{ margin-top:22px; display:flex; gap:12px; flex-wrap:wrap; }
@media (max-width:1023px){
  .pl-item{ grid-template-columns:1fr; gap:20px; padding:20px; }
  .pl-feats{ grid-template-columns:1fr; }
}
@media (max-width:560px){
  .pl-head h2{ font-size:19px; }
  .pl-actions .btn{ flex:1; }
}

/* ==========================================================================
   14. 产品详情页
   ========================================================================== */
.pd-hero{
  display:grid; grid-template-columns:1.04fr .96fr; gap:46px; align-items:center;
  padding:46px 0 54px;
}
.pd-hero-text h1{ font-size:36px; line-height:1.3; font-weight:700; display:flex; align-items:baseline; gap:12px; flex-wrap:wrap; }
.pd-hero-text h1 em{ font-size:14px; color:var(--c-text-3); font-weight:400; letter-spacing:.05em; }
.pd-slogan{ margin-top:14px; font-size:17px; font-weight:600; color:var(--c-primary); }
.pd-summary{ margin-top:14px; font-size:15px; color:var(--c-text-2); line-height:1.95; text-align:justify; }
.pd-hero-figure{
  border-radius:var(--radius-lg); overflow:hidden; background:#F1F5FD;
  border:1px solid var(--c-border); display:flex; align-items:center; justify-content:center;
  aspect-ratio:16/11;
}
.pd-hero-figure img{ width:100%; height:100%; object-fit:contain; padding:20px; }

.feature-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.feature-item{
  background:#fff; border:1px solid var(--c-border); border-radius:var(--radius);
  padding:26px 24px; position:relative; transition:all .28s ease;
}
.feature-item:hover{ transform:translateY(-5px); box-shadow:var(--shadow-2); border-color:#BFD3F5; }
.fi-num{
  font-size:22px; font-weight:800; color:var(--c-primary-light);
  line-height:1; margin-bottom:12px; letter-spacing:.02em;
}
.feature-item:hover .fi-num{ color:var(--c-primary); }
.feature-item h3{ font-size:16.5px; font-weight:700; margin-bottom:9px; color:var(--c-primary-dark); }
.feature-item p{ font-size:13.5px; color:#4B5563; line-height:1.85; text-align:justify; }
@media (max-width:1023px){
  .pd-hero{ grid-template-columns:1fr; gap:26px; padding:32px 0 40px; }
  .pd-hero-text h1{ font-size:26px; }
  .feature-grid{ grid-template-columns:repeat(2,1fr); }
}
@media (max-width:640px){
  .feature-grid{ grid-template-columns:1fr; gap:14px; }
  .feature-item{ padding:20px 18px; }
}

/* ==========================================================================
   15. 新闻中心列表页
   ========================================================================== */
.news-filter{
  display:flex; gap:10px; flex-wrap:wrap; margin-bottom:26px;
  padding-bottom:20px; border-bottom:1px solid var(--c-border);
}
.filter-btn{
  padding:7px 19px; border-radius:20px; font-size:13.5px; font-weight:500;
  color:var(--c-text-2); background:var(--c-bg-gray); border:1px solid transparent;
}
.filter-btn:hover{ color:var(--c-primary); background:var(--c-primary-light); }
.filter-btn.is-active{ background:var(--c-primary); color:#fff; font-weight:600; }

.news-list{ display:flex; flex-direction:column; gap:0; }
.news-list-item{
  display:flex; gap:24px; padding:26px 0;
  border-bottom:1px solid var(--c-border); transition:all .25s;
}
.news-list-item:first-child{ padding-top:0; }
.news-list-item:hover{ background:#FAFBFD; }
.news-list-item:hover .nl-body h3{ color:var(--c-primary); }
.nl-date{
  flex-shrink:0; width:88px; height:76px;
  background:var(--c-bg-gray); border-radius:var(--radius-sm);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  transition:all .25s;
}
.news-list-item:hover .nl-date{ background:var(--c-primary); }
.news-list-item:hover .nl-date strong,
.news-list-item:hover .nl-date span{ color:#fff; }
.nl-date strong{ font-size:27px; font-weight:800; color:var(--c-primary); line-height:1.1; }
.nl-date span{ font-size:11.5px; color:var(--c-text-3); margin-top:3px; }
.nl-body{ flex:1; min-width:0; }
.nl-body h3{
  font-size:17.5px; font-weight:700; line-height:1.5;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.nl-body p{
  margin-top:9px; font-size:13.5px; color:var(--c-text-2); line-height:1.8;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.nl-meta{ margin-top:11px; display:flex; align-items:center; gap:16px; font-size:12.5px; color:var(--c-text-3); }
@media (max-width:640px){
  .news-list-item{ gap:14px; padding:20px 0; }
  .nl-date{ width:66px; height:64px; }
  .nl-date strong{ font-size:22px; }
  .nl-body h3{ font-size:15.5px; }
}

/* 侧栏热门 */
.hot-news{ display:flex; flex-direction:column; }
.hot-item{
  display:flex; gap:11px; align-items:baseline;
  padding:11px 0; border-bottom:1px dashed #E8EBEF; font-size:13.5px;
}
.hot-item:last-child{ border-bottom:0; }
.hot-item:hover .hot-title{ color:var(--c-primary); }
.hot-no{
  flex-shrink:0; width:20px; height:20px; border-radius:4px;
  background:#EEF1F5; color:var(--c-text-3);
  font-size:11.5px; font-weight:700; text-align:center; line-height:20px;
}
.hot-no.is-top{ background:var(--c-primary); color:#fff; }
.hot-title{
  flex:1; min-width:0; color:#374151; line-height:1.65;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}
.hot-item.is-current .hot-title{ color:var(--c-primary); font-weight:600; }

/* ==========================================================================
   16. 新闻详情页
   ========================================================================== */
.article-head{ border-bottom:1px solid var(--c-border); padding-bottom:22px; margin-bottom:28px; }
.article-head h1{ margin-top:12px; font-size:27px; font-weight:700; line-height:1.5; }
.article-meta{
  margin-top:14px; display:flex; gap:22px; flex-wrap:wrap;
  font-size:13px; color:var(--c-text-3);
}
.article-cover{
  border-radius:var(--radius); overflow:hidden; margin-bottom:26px; background:var(--c-bg-gray);
}
.article-cover img{ width:100%; }
.article-body{ font-size:15.5px; color:#374151; line-height:2; }
.article-body p{ margin-top:15px; text-align:justify; }
.article-body h2{ font-size:20px; margin:28px 0 12px; }
.article-body h3{
  font-size:17px; margin:24px 0 10px; padding-left:12px;
  border-left:4px solid var(--c-primary);
}
.article-body img{ border-radius:8px; margin:18px auto; }
.article-body ul,.article-body ol{ margin:14px 0 0 4px; }
.article-body li{
  position:relative; padding-left:18px; margin-top:8px; line-height:1.9;
}
.article-body ul li::before{
  content:""; position:absolute; left:0; top:11px;
  width:6px; height:6px; border-radius:50%; background:var(--c-primary);
}
.article-body ol{ counter-reset:n; }
.article-body ol li::before{
  counter-increment:n; content:counter(n) ".";
  position:absolute; left:0; top:0; font-weight:700; color:var(--c-primary); font-size:14px;
}
.article-body table{ width:100%; border-collapse:collapse; margin-top:16px; font-size:14px; }
.article-body table th,.article-body table td{ border:1px solid var(--c-border); padding:10px 12px; text-align:left; }
.article-body table th{ background:var(--c-bg-gray); font-weight:600; }
.article-body blockquote{
  margin-top:16px; padding:14px 20px; background:var(--c-bg-gray);
  border-left:4px solid var(--c-primary); border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#4B5563; font-size:14.5px;
}
@media (max-width:640px){
  .article-head h1{ font-size:20px; }
  .article-body{ font-size:15px; }
}

/* 上下页 */
.pager-nav{
  display:flex; align-items:center; gap:14px; flex-wrap:wrap;
  margin-top:36px; padding-top:24px; border-top:1px solid var(--c-border);
}
.pn-prev,.pn-next{
  flex:1 1 240px; min-width:0; display:flex; flex-direction:column; gap:6px;
  padding:14px 18px; border:1px solid var(--c-border); border-radius:var(--radius-sm);
  font-size:13.5px; color:#374151; transition:all .22s;
}
.pn-prev span,.pn-next span{ font-size:12px; color:var(--c-text-3); }
.pn-prev:hover,.pn-next:hover{ border-color:var(--c-primary); color:var(--c-primary); background:#FAFBFF; }
.pn-next{ text-align:right; }
.pn-empty{
  flex:1 1 240px; padding:14px 18px; font-size:13.5px; color:var(--c-text-3);
  border:1px dashed var(--c-border); border-radius:var(--radius-sm); text-align:center;
}
.pn-back{
  flex-shrink:0; padding:12px 24px; border-radius:var(--radius-sm);
  background:var(--c-bg-gray); font-size:14px; font-weight:600; color:var(--c-text-2);
}
.pn-back:hover{ background:var(--c-primary-light); color:var(--c-primary); }
@media (max-width:768px){ .pn-prev,.pn-next,.pn-empty{ flex:1 1 100%; } .pn-back{ width:100%; text-align:center; } }

/* ==========================================================================
   17. 服务申请表单
   ========================================================================== */
.service-intro{
  background:var(--c-bg-gray); border-radius:var(--radius);
  padding:26px 30px; margin-bottom:28px; border:1px solid var(--c-border);
}
.service-intro h2{ font-size:20px; font-weight:700; margin-bottom:10px; }
.service-intro p{ font-size:14px; color:var(--c-text-2); line-height:1.9; }
.service-intro .si-tips{ margin-top:14px; display:flex; gap:26px; flex-wrap:wrap; }
.service-intro .si-tips li{
  font-size:13.5px; color:#374151; display:flex; align-items:center; gap:7px;
}
.service-intro .si-tips li::before{
  content:"✓"; color:#fff; background:var(--c-primary);
  width:17px; height:17px; border-radius:50%;
  font-size:11px; display:flex; align-items:center; justify-content:center; flex-shrink:0;
}

.form-section{ border-top:1px solid var(--c-border); padding-top:26px; margin-top:26px; }
.form-section:first-of-type{ border-top:0; padding-top:0; margin-top:0; }
.fs-title{
  font-size:17px; font-weight:700; margin-bottom:20px;
  display:flex; align-items:center; gap:10px;
}
.fs-title i{
  font-style:normal; font-size:13px; font-weight:800; color:#fff;
  background:var(--c-primary); width:26px; height:26px; border-radius:7px;
  display:flex; align-items:center; justify-content:center;
}
.form-grid{ display:grid; grid-template-columns:repeat(2,1fr); gap:18px 24px; }
.form-item{ display:flex; flex-direction:column; }
.form-item label{ font-size:13.5px; font-weight:600; color:#374151; margin-bottom:7px; }
.form-item label b{ color:#E02D2D; font-weight:700; }

.input-text,.input-area{
  width:100%; padding:11px 14px;
  border:1px solid var(--c-border); border-radius:var(--radius-sm);
  background:#fff; font-size:14.5px; line-height:1.5;
  transition:border-color .2s,box-shadow .2s;
  -webkit-appearance:none; appearance:none;
}
.input-text::placeholder,.input-area::placeholder{ color:#B4BBC4; }
.input-text:focus,.input-area:focus{
  outline:none; border-color:var(--c-primary);
  box-shadow:0 0 0 3px rgba(11,87,208,.12);
}
select.input-text{
  background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%236B7280'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 10px center; background-size:20px;
  padding-right:34px;
}
.input-area{ min-height:118px; resize:vertical; line-height:1.8; }

.form-row{ margin-top:24px; }
.form-label{ display:block; font-size:13.5px; font-weight:600; color:#374151; margin-bottom:11px; }
.form-label b{ color:#E02D2D; }
.form-label em{ font-weight:400; font-size:12.5px; color:var(--c-text-3); margin-left:6px; }
.form-opts{ display:flex; flex-wrap:wrap; gap:11px 16px; }
.form-opts .opt{
  display:inline-flex; align-items:center; gap:7px;
  padding:8px 16px; border:1px solid var(--c-border); border-radius:22px;
  background:#fff; font-size:14px; color:#374151; cursor:pointer;
  transition:all .2s; user-select:none;
}
.form-opts .opt:hover{ border-color:#BFD3F5; background:#FAFBFF; }
.form-opts .opt input{ accent-color:var(--c-primary); width:15px; height:15px; margin:0; cursor:pointer; }
.form-opts .opt:has(input:checked){
  border-color:var(--c-primary); background:var(--c-primary-light);
  color:var(--c-primary); font-weight:600;
}
.form-actions{
  margin-top:30px; padding-top:26px; border-top:1px solid var(--c-border);
  display:flex; gap:14px; align-items:center; flex-wrap:wrap;
}
.form-tip{ flex:1 1 100%; font-size:12.5px; color:var(--c-text-3); line-height:1.7; }

/* 提交成功 */
.done-box{
  background:linear-gradient(180deg,#F3F9F5,#FFFFFF);
  border:1px solid #B7DEC8; border-radius:var(--radius);
  padding:46px 30px; text-align:center; margin-bottom:26px;
}
.done-ico{
  width:64px; height:64px; border-radius:50%; margin:0 auto 18px;
  background:#047857; color:#fff; font-size:32px; font-weight:700;
  display:flex; align-items:center; justify-content:center;
  box-shadow:0 8px 22px rgba(4,120,87,.28);
}
.done-box h2{ font-size:22px; font-weight:700; color:#065F46; }
.done-box p{ margin-top:13px; font-size:14.5px; color:#4B5563; line-height:1.9; }
.done-box p strong{ color:#047857; }
.done-box p a{ color:var(--c-primary); font-weight:600; }
.done-btns{ margin-top:24px; display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }

@media (max-width:768px){
  .form-grid{ grid-template-columns:1fr; }
  .service-intro{ padding:20px; }
  .form-actions .btn{ flex:1 1 auto; }
}@media (max-width:480px){
  .form-opts .opt{ padding:7px 13px; font-size:13.5px; }
}

/* ==========================================================================
   18. 关于 CASS
   ========================================================================== */
.about-hero{
  display:grid; grid-template-columns:1.15fr .85fr; gap:48px; align-items:center;
  padding:46px 0 54px;
}
.about-hero-text h1{ font-size:33px; font-weight:700; line-height:1.35; }
.about-lead{ margin-top:13px; font-size:16px; font-weight:600; color:var(--c-primary); }
.about-intro{ margin-top:22px; }
.about-intro p{
  font-size:15px; color:#374151; line-height:2; text-align:justify; margin-top:13px;
}
.about-intro p:first-child{ margin-top:0; }
.about-hero-side{ display:flex; flex-direction:column; gap:18px; }
.about-figure{
  border-radius:var(--radius-lg); overflow:hidden; background:#F1F5FD;
  border:1px solid var(--c-border); aspect-ratio:16/11;
  display:flex; align-items:center; justify-content:center;
}
.about-figure img{ width:100%; height:100%; object-fit:contain; padding:18px; }
.about-mini{ display:grid; grid-template-columns:repeat(3,1fr); gap:12px; }
.about-mini > div{
  background:var(--c-bg-gray); border-radius:var(--radius-sm);
  padding:14px 10px; text-align:center;
}
.about-mini strong{ display:block; font-size:19px; font-weight:800; color:var(--c-primary); }
.about-mini span{ display:block; margin-top:3px; font-size:12px; color:var(--c-text-3); }

/* 时间线（关于页） */
.timeline{ position:relative; max-width:880px; margin:0 auto; padding-left:8px; }
.timeline::before{
  content:""; position:absolute; left:95px; top:10px; bottom:10px; width:2px;
  background:linear-gradient(180deg,var(--c-primary),#BFD3F5);
}
.tl-item{ position:relative; display:flex; gap:0; padding-bottom:28px; }
.tl-item:last-child{ padding-bottom:0; }
.tl-year{
  flex-shrink:0; width:88px; text-align:right; padding-right:22px;
  font-size:17px; font-weight:800; color:var(--c-primary); line-height:1.5;
}
.tl-dot{
  position:absolute; left:89px; top:7px;
  width:14px; height:14px; border-radius:50%;
  background:#fff; border:3px solid var(--c-primary);
  box-shadow:0 0 0 4px rgba(11,87,208,.12); z-index:2;
}
.tl-body{ flex:1; min-width:0; padding-left:34px; }
.tl-body h3{ font-size:16.5px; font-weight:700; margin-bottom:7px; }
.tl-body p{ font-size:14px; color:var(--c-text-2); line-height:1.9; text-align:justify; }
@media (max-width:640px){
  .timeline::before{ left:6px; }
  .tl-item{ flex-direction:column; padding-bottom:24px; }
  .tl-year{ width:auto; text-align:left; padding:0 0 6px 22px; font-size:15px; }
  .tl-dot{ left:0; top:5px; }
  .tl-body{ padding-left:22px; }
}

/* 核心能力 */
.cap-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.cap-card{
  background:#fff; border:1px solid var(--c-border); border-radius:var(--radius);
  padding:28px 24px; position:relative; overflow:hidden; transition:all .28s ease;
}
.cap-card::after{
  content:""; position:absolute; left:0; top:0; height:3px; width:0;
  background:var(--c-primary); transition:width .35s ease;
}
.cap-card:hover{ transform:translateY(-5px); box-shadow:var(--shadow-2); }
.cap-card:hover::after{ width:100%; }
.cap-no{
  display:block; font-size:26px; font-weight:800; line-height:1;
  color:#E8EDF5; margin-bottom:14px; letter-spacing:.02em;
}
.cap-card:hover .cap-no{ color:var(--c-primary-light); }
.cap-card h3{ font-size:16.5px; font-weight:700; margin-bottom:10px; }
.cap-card p{ font-size:13.5px; color:var(--c-text-2); line-height:1.85; text-align:justify; }
@media (max-width:1023px){ .cap-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:560px){ .cap-grid{ grid-template-columns:1fr; gap:14px; } }

/* 企业文化 */
.culture-band{ background:var(--c-bg-gray); }
.culture-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
.cul-card{
  background:#fff; border-radius:var(--radius); padding:30px 26px;
  border-left:4px solid var(--c-primary); box-shadow:var(--shadow-1);
}
.cul-card span{
  display:inline-block; font-size:12.5px; font-weight:700; letter-spacing:.1em;
  color:var(--c-primary); background:var(--c-primary-light);
  padding:4px 12px; border-radius:4px; margin-bottom:14px;
}
.cul-card p{ font-size:14.5px; color:#374151; line-height:1.95; }
@media (max-width:900px){ .culture-grid{ grid-template-columns:1fr; } }

/* 资质与联系 */
.about-contact{ display:grid; grid-template-columns:1fr 1fr; gap:24px; }
.ac-card{
  background:#fff; border:1px solid var(--c-border); border-radius:var(--radius);
  padding:30px 28px;
}
.ac-card h3{
  font-size:18px; font-weight:700; margin-bottom:18px;
  padding-left:12px; border-left:4px solid var(--c-primary);
}
.ac-list li{
  position:relative; padding-left:18px; margin-top:12px;
  font-size:14px; color:#374151; line-height:1.8;
}
.ac-list li::before{
  content:""; position:absolute; left:0; top:10px;
  width:6px; height:6px; border-radius:50%; background:var(--c-primary);
}
.ac-contact li{ display:flex; gap:10px; flex-wrap:wrap; }
.ac-contact li span{
  flex-shrink:0; width:44px; color:var(--c-text-3); font-size:13px;
}
.ac-contact li a{ color:var(--c-primary); }
.ac-card .btn{ margin-top:22px; }
@media (max-width:768px){
  .about-hero{ grid-template-columns:1fr; gap:30px; padding:32px 0 40px; }
  .about-hero-text h1{ font-size:24px; }
  .about-contact{ grid-template-columns:1fr; }
  .ac-card{ padding:24px 20px; }
}

/* ==========================================================================
   19. 页脚
   ========================================================================== */
.site-footer{ background:var(--c-dark); color:#94A3B8; margin-top:auto; }
.footer-main{ padding:56px 0 40px; }
.footer-inner{
  width:100%; max-width:var(--maxw); margin:0 auto; padding:0 20px;
  display:grid; grid-template-columns:1.7fr 1fr 1fr 1.2fr; gap:38px;
}
.f-col h4{
  font-size:15.5px; font-weight:700; color:#fff; margin-bottom:18px;
  padding-bottom:12px; border-bottom:1px solid rgba(255,255,255,.1);
}
.f-col a{ display:block; font-size:13.5px; line-height:1.6; padding:6px 0; color:#94A3B8; }
.f-col a:hover{ color:#fff; padding-left:5px; }

.f-brand{ display:flex; align-items:center; gap:13px; margin-bottom:18px; }
.f-brand img{
  width:auto; height:40px; max-width:140px; object-fit:contain;
  background:#fff; border-radius:5px; padding:4px;
}
.f-brand strong{ display:block; font-size:16.5px; font-weight:700; color:#fff; line-height:1.4; }
.f-brand span{ display:block; margin-top:3px; font-size:11.5px; color:#64748B; }
.f-desc{ font-size:13px; line-height:1.9; color:#8A99AC; }
.f-contact{ margin-top:20px; }
.f-contact a,.f-contact p{
  display:flex; gap:11px; align-items:baseline; font-size:13.5px; padding:5px 0; color:#B6C2D1;
}
.f-contact a:hover{ color:#fff; }
.f-contact span{
  flex-shrink:0; width:34px; font-size:12px; color:#64748B;
}
.f-col-qr .f-qr-tip{ font-size:13px; line-height:1.85; color:#8A99AC; }
.f-btn{
  display:inline-block !important; margin-top:16px; padding:11px 26px !important;
  background:var(--c-primary); color:#fff !important; border-radius:var(--radius-sm);
  font-size:14px; font-weight:600; text-align:center;
}
.f-btn:hover{ background:#1B7AE0; padding-left:26px !important; }
.f-qq{ margin-top:14px; font-size:12.5px; color:#64748B; }

.footer-bottom{ border-top:1px solid rgba(255,255,255,.09); padding:18px 0; }
.fb-inner{
  display:flex; align-items:center; justify-content:space-between;
  gap:16px; flex-wrap:wrap; font-size:12.5px; color:#64748B;
}
.fb-icp a{ color:#64748B; transition:color .2s; }
.fb-icp a:hover{ color:#fff; }
.fb-links a{ color:#64748B; }
.fb-links a:hover{ color:#fff; }

@media (max-width:1023px){
  .footer-inner{ grid-template-columns:1fr 1fr; gap:30px; }
  .f-col-brand{ grid-column:1/-1; }
}
@media (max-width:640px){
  .footer-main{ padding:40px 0 30px; }
  .footer-inner{ grid-template-columns:1fr; gap:26px; }
  .fb-inner{ flex-direction:column; align-items:flex-start; gap:8px; }
}

/* ==========================================================================
   20. 浮动客服条
   ========================================================================== */
.float-service{
  position:fixed; right:18px; bottom:88px; z-index:800;
  display:flex; flex-direction:column; gap:9px;
  opacity:0; transform:translateX(20px); pointer-events:none;
  transition:opacity .3s,transform .3s;
}
.float-service.is-show{ opacity:1; transform:none; pointer-events:auto; }
.fs-item{
  width:52px; height:52px; border-radius:12px;
  background:#fff; border:1px solid var(--c-border);
  box-shadow:0 6px 18px rgba(15,27,45,.12);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:2px;
  color:#4B5563; font-size:10.5px; transition:all .22s ease;
}
.fs-item svg{ width:19px; height:19px; }
.fs-item:hover{
  background:var(--c-primary); color:#fff; border-color:var(--c-primary);
  transform:translateX(-4px); box-shadow:0 8px 22px rgba(11,87,208,.3);
}
.fs-item span{ line-height:1; }
@media (max-width:640px){
  .float-service{ right:10px; bottom:70px; gap:7px; }
  .fs-item{ width:46px; height:46px; border-radius:10px; font-size:10px; }
  .fs-item svg{ width:17px; height:17px; }
}

/* ==========================================================================
   21. 打印
   ========================================================================== */
@media print{
  .site-header,.site-footer,.float-service,.hero-dots,.pager-nav,.anchor-nav{ display:none !important; }
  body{ background:#fff; }
  .content-box{ border:0; padding:0; }
}