/* ============================================================
   网易企业邮箱官网复刻 - 主样式表
   严格匹配 HTML 类名，基于 www.mail163.com 官方设计
   ============================================================ */
@import url('trial-modal.css');
@import url('float-toolbar.css');

/* ---------- CSS 变量 ---------- */
:root {
  --primary: #C41230;
  --primary-dark: #A00F28;
  --primary-light: rgba(196,18,48,0.08);
  --dark-bg: #1a1a2e;
  --dark-bg-alt: #16213e;
  --gray-bg: #f5f6fa;
  --text-dark: #333;
  --text-gray: #666;
  --text-light: #999;
  --white: #fff;
  --border: #e8e8e8;
  --border-light: #f0f0f0;
  --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
  --shadow: 0 2px 12px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.12);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.15);
  --radius-sm: 4px;
  --radius: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --transition: all 0.3s ease;
  --transition-fast: all 0.15s ease;
  --max-width: 1200px;
  --site-gutter: 20px;
  --header-height: 64px;
  --font-family: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

/* ---------- 全局重置 ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font-family);
  font-size:14px;
  line-height:1.6;
  color:var(--text-dark);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  min-width:320px;
  overflow-x:hidden;
  padding-top:var(--header-height);
}
a{color:inherit;text-decoration:none;transition:var(--transition-fast)}
a:hover{color:var(--primary)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button{cursor:pointer;border:none;background:none;font-family:inherit;font-size:inherit}
.container{max-width:var(--max-width);margin:0 auto;padding:0 var(--site-gutter)}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* ---------- 头部导航 (.header) ---------- */
.header{
  position:fixed;top:0;left:0;right:0;height:var(--header-height);
  background:var(--white);z-index:1000;transition:box-shadow 0.3s ease;
  overflow-x:clip;
}
.header-scrolled{box-shadow:var(--shadow)}

/* ---------- 全站顶部厂商信息条 ---------- */
body:has(.header-topbar){
  --header-topbar-height:24px;
  --header-nav-height:64px;
  --header-height:calc(var(--header-topbar-height) + var(--header-nav-height));
  transition:padding-top .22s ease;
}
body.header-topbar-collapsed:has(.header-topbar){--header-topbar-height:0px}
.header:has(.header-topbar){
  height:var(--header-height);
  display:flex;
  flex-direction:column;
  align-items:center;
  transition:height .22s ease;
}
.header-topbar{
  flex-shrink:0;
  width:100%;
  height:var(--header-topbar-height);
  background:var(--white);
  overflow:hidden;
  opacity:1;
  transition:height .22s ease,opacity .18s ease;
}
body.header-topbar-collapsed .header-topbar{opacity:0;pointer-events:none}
.header-topbar-inner,
.header-inner{
  width:100%;
  max-width:var(--max-width);
  margin-inline:auto;
  padding-inline:var(--site-gutter);
  box-sizing:border-box;
}
.header-topbar-inner{
  height:100%;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:11px;line-height:1.35;color:#666;letter-spacing:.01em;
}
.header-topbar-left{
  margin:0;font-size:11px;line-height:1.35;
  display:flex;align-items:center;gap:6px;
  min-width:0;flex:1 1 auto;overflow:hidden;
}
.header-topbar-brand{
  color:#333;font-weight:600;text-decoration:none;flex-shrink:0;
  transition:var(--transition-fast);
}
.header-topbar-brand:hover{color:var(--primary)}
.header-topbar-sep{color:#ccc;flex-shrink:0;user-select:none}
.header-topbar-slogan{
  color:#666;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0;
}
.header-topbar-right{
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
  text-align:right;flex-shrink:1;min-width:0;
  display:flex;justify-content:flex-end;align-items:center;
}
.header-topbar-badge{display:block;width:auto;max-width:100%;height:12px;opacity:1}
.header:has(.header-topbar) .header-inner{
  width:100%;
  max-width:min(var(--max-width),100%);
  height:var(--header-nav-height);flex:none;min-height:0;min-width:0;
  border-top:1px solid #f3f3f3;transition:border-color .18s ease;overflow:visible;
}
body.header-topbar-collapsed .header-inner{border-top-color:transparent}
.nav-item-linghang,.nav-item-xinchuang{overflow:visible}

.header-inner{
  height:100%;display:flex;align-items:center;justify-content:space-between;
  min-width:0;max-width:min(var(--max-width),100%);
}
.logo{display:flex;align-items:center;flex-shrink:0;margin-right:16px;text-decoration:none;line-height:0}
.logo:hover{opacity:0.85}
.logo img{display:block;height:30px;width:auto;max-width:128px}

/* 主导航 */
.nav{display:flex;align-items:center;flex:1;min-width:0;justify-content:flex-end;overflow:visible;gap:12px}
.nav-list{display:flex;align-items:center;gap:4px;flex:1 1 auto;min-width:0;justify-content:flex-start}
.nav-item{position:relative;flex-shrink:0}
.header-inner .nav-link{
  padding:8px 13px;font-size:14px;
}
.header-inner .nav-link-linghang,
.header-inner .nav-link-xinchuang{padding:8px 13px !important}
.nav-link{
  display:block;padding:8px 16px;font-size:14px;font-weight:500;
  color:var(--text-dark);border-radius:var(--radius-sm);white-space:nowrap;position:relative;
}
.nav-link::after{
  content:"";position:absolute;bottom:2px;left:50%;
  transform:translateX(-50%) scaleX(0);width:20px;height:2px;
  background:var(--primary);border-radius:1px;transition:transform 0.3s ease;
}
.nav-link:hover,.nav-link.active{color:var(--primary)}
.nav-link:hover::after,.nav-link.active::after{transform:translateX(-50%) scaleX(1)}

.nav-item-linghang{overflow:visible}
.nav-link-linghang{
  position:relative;display:inline-block;padding:8px 16px !important;
  white-space:nowrap !important;line-height:inherit;min-height:0;overflow:visible;
}
.nav-link-linghang::after{bottom:2px}
.nav-linghang-text{position:relative;display:inline-block}
.nav-linghang-tag{
  position:absolute;top:0;left:50%;z-index:1;
  transform:translateY(calc(-100% - 0px));
  display:inline-block;box-sizing:border-box;height:18px;padding:0 5px;
  font-size:10px;font-weight:600;line-height:18px;text-align:center;color:#fff;
  background:#fe5b4c;border-radius:3px 3px 3px 0;white-space:nowrap;
  pointer-events:none;
}
.nav-link-linghang.active .nav-linghang-text,
.nav-link-linghang:hover .nav-linghang-text{color:var(--primary)}

.nav-item-xinchuang{overflow:visible}
.nav-link-xinchuang{
  position:relative;display:inline-block;padding:8px 16px !important;
  white-space:nowrap !important;line-height:inherit;min-height:0;overflow:visible;
}
.nav-link-xinchuang::after{bottom:2px}
.nav-xinchuang-text{position:relative;display:inline-block}
.nav-xinchuang-tag{
  position:absolute;top:0;left:50%;z-index:1;
  transform:translateY(calc(-100% - 0px));
  display:inline-block;box-sizing:border-box;height:18px;padding:0 5px;
  font-size:10px;font-weight:600;line-height:18px;text-align:center;color:#fff;
  background:var(--primary);border-radius:3px 3px 3px 0;white-space:nowrap;
  pointer-events:none;
}
.nav-link-xinchuang.active .nav-xinchuang-text,
.nav-link-xinchuang:hover .nav-xinchuang-text{color:var(--primary)}

/* 下拉菜单 (.nav-dropdown .dropdown-menu) */
.nav-dropdown .dropdown-menu{
  position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);
  background:var(--white);min-width:150px;border-radius:var(--radius);
  box-shadow:var(--shadow-md);padding:8px 0;opacity:0;visibility:hidden;
  transition:var(--transition);z-index:100;
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown.dropdown-open .dropdown-menu{
  opacity:1;visibility:visible;transform:translateX(-50%) translateY(4px);
}
.dropdown-menu li a{
  display:block;padding:8px 20px;font-size:13px;color:var(--text-gray);white-space:nowrap;
}
.dropdown-menu li a:hover{background:var(--primary-light);color:var(--primary)}

.nav-dropdown-about>.nav-link{display:inline-flex;align-items:center;gap:4px}
.nav-dropdown-about:hover>.nav-link .nav-arrow,
.nav-dropdown-about.dropdown-open>.nav-link .nav-arrow{transform:rotate(180deg)}
.dropdown-menu-about{min-width:168px}
.dropdown-menu-about .dropdown-menu-divider{
  height:1px;margin:6px 12px;padding:0;background:var(--border-light);list-style:none;
}
.dropdown-menu-about li a.active{color:var(--primary);font-weight:600}

/* 解决方案 Mega Menu（对齐 www.mail163.com） */
.nav-dropdown-mega{position:static}
.nav-dropdown-mega>.nav-link{display:inline-flex;align-items:center;gap:4px}
.nav-arrow{
  display:inline-block;width:0;height:0;margin-top:2px;
  border-left:4px solid transparent;border-right:4px solid transparent;
  border-top:5px solid currentColor;opacity:.55;transition:transform .2s ease;
}
.nav-dropdown-mega:hover>.nav-link .nav-arrow,
.nav-dropdown-mega.dropdown-open>.nav-link .nav-arrow{transform:rotate(180deg)}
.nav-dropdown-mega .dropdown-menu-mega{
  position:fixed;left:0;right:0;top:var(--header-height);
  transform:none;min-width:0;width:100%;padding:0;
  border-radius:0;border-top:1px solid var(--border-light);
  box-shadow:0 8px 24px rgba(17,31,51,.08);opacity:0;visibility:hidden;
}
.nav-dropdown-mega:hover .dropdown-menu-mega,
.nav-dropdown-mega.dropdown-open .dropdown-menu-mega{
  opacity:1;visibility:visible;transform:none;
}
.mega-menu-inner{
  max-width:var(--max-width);margin:0 auto;padding:28px var(--site-gutter) 32px;
  display:grid;grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1fr);gap:48px;
}
.mega-menu-inner-products{
  grid-template-columns:repeat(3,minmax(0,1fr));gap:40px;max-width:960px;
}
.nav-dropdown-products .dropdown-menu-products{
  position:fixed;left:0;right:0;top:var(--header-height);
  transform:none;min-width:0;width:100%;padding:0;
  border-radius:0;border-top:1px solid var(--border-light);
  box-shadow:0 8px 24px rgba(17,31,51,.08);opacity:0;visibility:hidden;
}
.nav-dropdown-products:hover .dropdown-menu-products,
.nav-dropdown-products.dropdown-open .dropdown-menu-products{
  opacity:1;visibility:visible;transform:none;
}
.nav-dropdown-products>.nav-link{display:inline-flex;align-items:center;gap:4px}
.nav-dropdown-products:hover>.nav-link .nav-arrow,
.nav-dropdown-products.dropdown-open>.nav-link .nav-arrow{transform:rotate(180deg)}
.mega-menu-title{
  font-size:14px;font-weight:600;color:var(--text-dark);margin:0 0 16px;
  padding-bottom:12px;border-bottom:1px solid var(--border);
}
.mega-menu-list{list-style:none;margin:0;padding:0}
.mega-menu-list li a{
  display:block;padding:9px 0;font-size:14px;line-height:1.5;color:#4b5563;
  white-space:normal;transition:color .2s ease;
}
.mega-menu-list li a.active{color:var(--primary);font-weight:600}
.mega-menu-list li a:hover{background:transparent;color:var(--primary)}
.mega-menu-list-2col{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:24px}
.tag-new{
  display:inline-block;margin-left:4px;padding:1px 6px;font-size:10px;font-weight:600;line-height:1.4;
  color:#fff;background:var(--primary);border-radius:2px;vertical-align:middle;
}
.nav-actions{display:flex;align-items:center;gap:6px;margin-left:0;flex-shrink:0}
.header-inner .nav-actions{gap:6px;margin-left:0;flex-shrink:0}
.header-inner .nav-hotline{gap:4px;padding:4px 0}
.header-inner .nav-hotline-num{font-size:13px;letter-spacing:-0.02em}
.header-inner .btn-sm{padding:6px 11px;font-size:12px;letter-spacing:0}
.nav-hotline{
  display:inline-flex;align-items:center;gap:6px;flex-shrink:0;
  padding:6px 2px;text-decoration:none;white-space:nowrap;
  color:var(--text-dark);transition:var(--transition-fast);
}
.nav-hotline:hover{color:var(--primary)}
.nav-hotline-icon-wrap{
  position:relative;display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;flex-shrink:0;
}
.nav-hotline-pulse{
  position:absolute;inset:2px;border-radius:50%;
  background:rgba(196,18,48,.14);
  animation:nav-hotline-pulse 2.4s ease-out infinite;
  pointer-events:none;
}
.nav-hotline-icon{
  position:relative;z-index:1;display:block;width:18px;height:18px;
  flex-shrink:0;color:var(--primary);transform-origin:50% 88%;
  animation:nav-hotline-ring 2.4s ease-in-out infinite;
}
.nav-hotline:hover .nav-hotline-icon{color:var(--primary-dark);animation-duration:1.1s}
.nav-hotline:hover .nav-hotline-pulse{animation-duration:1.1s;background:rgba(196,18,48,.2)}
.nav-hotline-num{font-size:14px;font-weight:600;line-height:1;color:var(--primary)}
.nav-hotline:hover .nav-hotline-num{color:var(--primary-dark)}

@keyframes nav-hotline-pulse{
  0%{transform:scale(.7);opacity:.75}
  70%,100%{transform:scale(1.45);opacity:0}
}
@keyframes nav-hotline-ring{
  0%,52%,100%{transform:rotate(0deg)}
  56%{transform:rotate(-11deg)}
  60%{transform:rotate(11deg)}
  64%{transform:rotate(-11deg)}
  68%{transform:rotate(11deg)}
  72%{transform:rotate(0deg)}
}
@media (prefers-reduced-motion:reduce){
  .nav-hotline-icon,.nav-hotline-pulse{animation:none}
}

/* 移动端汉堡菜单 (.menu-toggle) */
.menu-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:32px;height:32px;padding:4px;z-index:1001}
.menu-bar{display:block;width:24px;height:2px;background:var(--text-dark);border-radius:1px;transition:var(--transition)}
.menu-toggle.active .menu-bar:nth-child(1),
.menu-toggle.is-active .menu-bar:nth-child(1){transform:rotate(45deg) translate(5px,5px)}
.menu-toggle.active .menu-bar:nth-child(2),
.menu-toggle.is-active .menu-bar:nth-child(2){opacity:0}
.menu-toggle.active .menu-bar:nth-child(3),
.menu-toggle.is-active .menu-bar:nth-child(3){transform:rotate(-45deg) translate(5px,-5px)}
.nav-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.5);z-index:998}

<!-- 面包屑样式已移除，仅保留在文章/Blog帮助文档页面使用 -->

/* ---------- 按钮 (.btn) ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:8px 20px;font-size:14px;font-weight:500;border-radius:var(--radius-sm);
  cursor:pointer;transition:var(--transition);white-space:nowrap;
  text-align:center;line-height:1.5;
}
.btn:active{transform:scale(0.97)}
.btn-sm{padding:6px 14px;font-size:13px}
.btn-lg{padding:12px 32px;font-size:16px}
.btn-block{display:flex;width:100%}
.btn-primary{background:var(--primary);color:var(--white);border:2px solid var(--primary)}
.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:var(--white)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:var(--white)}
.btn-outline-light{background:transparent;color:var(--white);border:2px solid var(--white)}
.btn-outline-light:hover{background:var(--white);color:var(--primary)}
.btn-white{background:var(--white);color:var(--primary);border:2px solid var(--white)}
.btn-white:hover{background:var(--primary);color:var(--white);border-color:var(--primary)}

/* ---------- 通用 Section ---------- */
.section{padding:80px 0}
.section-gray{background:var(--gray-bg)}
.section-title{font-size:32px;font-weight:700;text-align:center;margin-bottom:16px;line-height:1.3}
.section-subtitle{font-size:16px;color:var(--text-gray);text-align:center;margin-bottom:50px;line-height:1.6;max-width:700px;margin-left:auto;margin-right:auto}

/* ---------- 英雄轮播 (.hero-banner) ---------- */
.hero-banner{
  position:relative;height:560px;
  background:linear-gradient(135deg,#1a1a2e 0%,#16213e 40%,#0f3460 100%);
  overflow:hidden;
}
.hero-slider{position:relative;height:100%;max-width:var(--max-width);margin:0 auto}
.hero-slide{
  position:absolute;inset:0;display:flex;align-items:center;
  opacity:0;transition:opacity 0.6s ease,transform 0.6s ease;
  transform:translateX(40px);padding:0 60px;
}
.hero-slide.active{opacity:1;transform:translateX(0)}
.hero-content{max-width:600px}
.hero-title{font-size:42px;font-weight:800;color:var(--white);line-height:1.2;margin-bottom:20px}
.hero-desc{font-size:16px;color:rgba(255,255,255,0.8);line-height:1.8;margin-bottom:36px}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap}

.slider-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:44px;height:44px;border-radius:50%;
  background:rgba(255,255,255,0.15);color:var(--white);
  display:flex;align-items:center;justify-content:center;
  transition:var(--transition);z-index:10;
}
.slider-arrow:hover{background:rgba(255,255,255,0.3)}
.slider-prev{left:20px}
.slider-next{right:20px}

.slider-dots{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:10}
.slider-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,0.4);cursor:pointer;transition:var(--transition)}
.slider-dot.active{background:var(--white);width:28px;border-radius:5px}

/* ---------- 优势区 (.advantages-grid) ---------- */
.advantages-stats{display:flex;justify-content:center;align-items:center;gap:0;margin-bottom:50px;background:var(--white);border-radius:var(--radius-lg);padding:30px 20px;box-shadow:var(--shadow-sm)}
.advantages-stat-item{flex:1;text-align:center}
.advantages-stat-num{display:block;font-size:36px;font-weight:800;color:var(--primary);line-height:1.1;margin-bottom:6px}
.advantages-stat-num sup{font-size:20px;font-weight:600}
.advantages-stat-label{display:block;font-size:14px;color:var(--text-gray)}
.advantages-stat-divider{width:1px;height:50px;background:var(--border)}
.advantages-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.advantage-card{
  text-align:center;padding:36px 28px 32px;border-radius:12px;background:var(--white);
  border:1px solid #eef1f6;box-shadow:0 2px 12px rgba(17,31,51,0.04);
  transition:var(--transition);
}
.advantage-card:hover{transform:translateY(-4px);box-shadow:0 8px 24px rgba(17,31,51,0.08);border-color:#e4e8ef}
.advantage-icon{
  width:64px;height:64px;margin:0 auto 22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.advantage-icon img{width:40px;height:40px;display:block}
.advantage-icon--security{background:linear-gradient(180deg,#ef5350 0%,#e53935 100%)}
.advantage-icon--stable{background:linear-gradient(180deg,#42a5f5 0%,#1e88e5 100%)}
.advantage-icon--global{background:linear-gradient(180deg,#66bb6a 0%,#43a047 100%)}
.advantage-icon--experience{background:linear-gradient(180deg,#ffb74d 0%,#fb8c00 100%)}
.advantage-title{font-size:18px;font-weight:700;margin-bottom:14px;color:#232d47;line-height:1.4}
.advantage-desc{font-size:14px;color:#676c73;line-height:1.85;text-align:center}

/* ---------- 产品版本卡片 (.product-cards) ---------- */
.product-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.product-card{
  background:var(--white);border-radius:var(--radius-md);border:1px solid var(--border);
  padding:32px 24px;text-align:center;transition:var(--transition);
  position:relative;display:flex;flex-direction:column;
}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:var(--primary)}
.product-card-featured{border-color:var(--primary);box-shadow:var(--shadow)}
.product-badge{
  position:absolute;top:0;left:50%;transform:translate(-50%,-50%);
  background:var(--primary);color:var(--white);padding:4px 16px;
  font-size:12px;font-weight:600;border-radius:20px;
}
.product-card-header{margin-bottom:20px}
.product-card-name{font-size:22px;font-weight:700;margin-bottom:10px}
.product-card-desc{font-size:13px;color:var(--text-gray);line-height:1.6;margin-bottom:16px;min-height:40px}
.product-card-price{padding:16px 0;border-top:1px solid var(--border);border-bottom:1px solid var(--border);margin-bottom:16px}
.price-symbol{font-size:18px;color:var(--primary);font-weight:600}
.price-num{font-size:36px;color:var(--primary);font-weight:700}
.price-unit{font-size:13px;color:var(--text-light)}
.product-card-features{text-align:left;margin-bottom:24px;flex:1}
.product-card-features li{padding:6px 0;font-size:13px;color:var(--text-gray);display:flex;align-items:center;gap:8px}
.product-card-features li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--primary);flex-shrink:0}
.product-card-actions{
  display:flex;
  gap:10px;
  margin-top:auto;
}
.product-card-btn{
  flex:1;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:0;
  height:40px;
  padding:0 8px;
  font-size:14px;
  font-weight:500;
  line-height:1;
  border-radius:4px;
  transition:var(--transition);
  box-sizing:border-box;
}
.product-card-btn--consult{
  color:#fff;
  background:var(--primary);
  border:1px solid var(--primary);
}
.product-card-btn--consult:hover{
  background:var(--primary-dark);
  border-color:var(--primary-dark);
  color:#fff;
}
.product-card-btn--trial{
  color:var(--primary);
  background:#fff;
  border:1px solid var(--primary);
}
.product-card-btn--trial:hover{
  background:var(--primary-light);
  color:var(--primary);
}

/* ---------- 产品特色 (.features-grid) ---------- */
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.feature-item{
  display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:36px 24px;border-radius:var(--radius-md);background:var(--white);
  transition:var(--transition);border:1px solid transparent;color:var(--text-dark);
}
.feature-item:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateY(-4px)}
.feature-item img{width:48px;height:48px;margin-bottom:16px}
.feature-item h3{font-size:16px;font-weight:600;margin-bottom:8px}
.feature-item p{font-size:13px;color:var(--text-gray);line-height:1.6}

/* 首页行业解决方案样式见 home-solutions.css */

/* ---------- 客户Logo墙（与 www.mail163.com 官方 mail_logos 雪碧图一致） ---------- */
.clients-section{padding:80px 0;background:#f8f9fb}
.clients-section .section-title{margin-bottom:0}
.clients-logos-wall{margin:36px auto 0;max-width:1198px;line-height:0}
.clients-logos-wall img{width:100%;height:auto;display:block;max-width:1198px;margin:0 auto}
.clients-cta{text-align:center;margin-top:48px}
.btn-clients-more{
  display:inline-block;width:112px;height:40px;line-height:38px;
  border-radius:4px;border:1px solid var(--primary);color:var(--primary);
  font-size:16px;font-weight:400;text-align:center;transition:var(--transition);
}
.btn-clients-more:hover{background:var(--primary);color:var(--white)}

/* ---------- FAQ（原生 details，无需 JS） ---------- */
.faq-list{max-width:800px;margin:0 auto}
.faq-list details.faq-item{border-bottom:1px solid var(--border)}
.faq-list details.faq-item > summary.faq-summary{
  display:flex !important;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  width:100%;
  padding:20px 0;
  font-size:16px;
  font-weight:500;
  color:var(--text-dark);
  text-align:left;
  transition:var(--transition);
  cursor:pointer;
  list-style:none;
  list-style-type:none;
}
.faq-list details.faq-item > summary.faq-summary::-webkit-details-marker{display:none}
.faq-list details.faq-item > summary.faq-summary::marker{content:"";display:none;font-size:0}
.faq-list details.faq-item > summary.faq-summary:hover{color:var(--primary)}
.faq-list details.faq-item > summary.faq-summary .faq-summary-text{flex:1;min-width:0}
.faq-list details.faq-item > summary.faq-summary .faq-icon{
  flex-shrink:0;
  transition:transform 0.3s ease;
  margin-left:auto;
}
.faq-list details.faq-item[open] > summary.faq-summary .faq-icon{transform:rotate(180deg)}
.faq-list details.faq-item .faq-answer{
  max-height:none !important;
  overflow:visible !important;
  padding:0 0 20px;
}
.faq-list details.faq-item:not([open]) .faq-answer{display:none}
.faq-list details.faq-item[open] .faq-answer{display:block}
.faq-list details.faq-item .faq-answer p{font-size:14px;color:var(--text-gray);line-height:1.8;margin:0}
.faq-list details.faq-item .faq-answer a{color:var(--primary);text-decoration:none;border-bottom:1px solid transparent;transition:var(--transition)}
.faq-list details.faq-item .faq-answer a:hover{border-bottom-color:var(--primary)}
.faq-more{text-align:center;margin-top:36px;font-size:14px;color:var(--text-gray);line-height:1.8}
.faq-more a{color:var(--primary);font-weight:500;margin:0 4px}
.faq-more a:hover{text-decoration:underline}

/* ---------- 首页内容推荐（四栏） ---------- */
.home-content-rec{padding-bottom:80px}
.home-content-rec-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:28px 32px;
  align-items:start;
}
.home-content-rec-col{
  min-width:0;
  padding:24px 20px;
  background:var(--white);
  border:1px solid var(--border-light);
  border-radius:8px;
  box-shadow:var(--shadow-sm,0 1px 3px rgba(0,0,0,.06));
}
.home-content-rec-col-title{
  margin:0 0 16px;
  padding-bottom:12px;
  border-bottom:2px solid var(--primary);
  font-size:17px;
  font-weight:600;
  line-height:1.4;
}
.home-content-rec-col-title a{color:var(--text-dark);transition:var(--transition)}
.home-content-rec-col-title a:hover{color:var(--primary)}
.home-content-rec-list{list-style:none;margin:0;padding:0}
.home-content-rec-list li+li{margin-top:12px}
.home-content-rec-list a{
  display:block;
  font-size:14px;
  line-height:1.65;
  color:var(--text-gray);
  transition:var(--transition);
}
.home-content-rec-list a:hover{color:var(--primary)}
.home-content-rec-more{
  display:inline-block;
  margin-top:16px;
  font-size:13px;
  font-weight:500;
  color:var(--primary);
}
.home-content-rec-more:hover{text-decoration:underline}

/* ---------- 更新日志 (.update-list) — 其它页仍可用 ---------- */
.update-list{max-width:800px;margin:0 auto}
.update-item{display:flex;gap:24px;padding:20px 0;border-bottom:1px solid var(--border-light)}
.update-date{flex-shrink:0;width:100px;font-size:14px;color:var(--text-light);font-weight:500}
.update-content h3{font-size:16px;font-weight:600;margin-bottom:6px}
.update-content p{font-size:14px;color:var(--text-gray);line-height:1.6}

/* ---------- 页脚 (.footer) — 8 栏布局，与首页一致 ---------- */
.footer{background:#1a1a2e;color:rgba(255,255,255,0.7);padding:60px 0 0}
.footer-top{
  display:grid;
  grid-template-columns:repeat(7,minmax(0,1fr)) minmax(178px,1.45fr);
  column-gap:8px;
  row-gap:0;
  width:100%;
  max-width:100%;
  justify-content:stretch;
  align-items:start;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,0.1);
}
.footer-col{margin-bottom:0;min-width:0}
.footer-col.footer-contact{width:auto;max-width:none;flex:none}
.footer-title{font-size:14px;font-weight:600;color:var(--white);margin-bottom:10px;line-height:1.3}
.footer-links li{margin-bottom:5px}
.footer-links a{font-size:12px;color:rgba(255,255,255,0.6);transition:var(--transition);white-space:normal;line-height:1.45}
.footer-links a:hover{color:var(--white)}
.footer-contact-info p{font-size:12px;margin-bottom:6px;line-height:1.45}
.footer-phone,.footer-email{white-space:nowrap}
.footer-address{white-space:normal;overflow-wrap:break-word;word-break:break-word}
.footer-phone a,.footer-email a{color:rgba(255,255,255,0.9);font-weight:500}
.footer-phone a:hover,.footer-email a:hover{color:var(--white)}
.footer-bottom{padding:24px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.footer-copyright{font-size:12px;color:rgba(255,255,255,0.4)}
.footer-copyright a{color:rgba(255,255,255,0.5)}
.footer-bottom-links{display:flex;gap:16px}
.footer-bottom-links a{font-size:12px;color:rgba(255,255,255,0.5)}
.footer-bottom-links a:hover{color:var(--white)}

/* ---------- 回到顶部 (.back-to-top) ---------- */
.back-to-top{
  position:fixed;bottom:40px;right:40px;width:44px;height:44px;border-radius:50%;
  background:var(--primary);color:var(--white);display:flex;
  align-items:center;justify-content:center;box-shadow:var(--shadow-md);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:var(--transition);z-index:999;
}
.float-toolbar .back-to-top{
  position:static;
  width:100%;
  height:48px;
  min-height:48px;
  border-radius:0;
  opacity:1;
  visibility:visible;
  transform:none;
  background:transparent;
  color:#232d47;
  box-shadow:none;
  display:flex;
  align-items:center;
  justify-content:center;
}
.back-to-top.visible,
.back-to-top.back-to-top--visible{opacity:1;visibility:visible;transform:translateY(0)}
.float-toolbar .back-to-top.back-to-top--visible{transform:none}
.back-to-top:hover{background:var(--primary-dark);transform:translateY(-3px)}
.float-toolbar .back-to-top:hover{background:#f7f8fc;color:var(--primary);transform:none}

/* ---------- 页面标题 (.page-hero) ---------- */
.page-hero{background:linear-gradient(135deg,var(--dark-bg),var(--dark-bg-alt));padding:80px 0;text-align:center}
.page-hero-title{font-size:38px;font-weight:800;color:var(--white);margin-bottom:16px}
.page-hero-desc{font-size:16px;color:rgba(255,255,255,0.7);max-width:600px;margin:0 auto;line-height:1.6}
.page-hero-badge{display:inline-block;margin-bottom:12px;padding:4px 12px;font-size:12px;color:rgba(255,255,255,0.85);background:rgba(255,255,255,0.12);border-radius:20px}

/* ---------- 面包屑（方案子页/文章页） ---------- */
.breadcrumb-nav{padding:0 0 20px;background:transparent;border-bottom:none}
.breadcrumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0;font-size:13px;color:var(--text-gray)}
.breadcrumb-list li+li::before{content:"/";margin-right:8px;color:var(--text-light)}
.breadcrumb-list a{color:var(--text-gray)}
.breadcrumb-list a:hover{color:var(--primary)}
.breadcrumb-list li[aria-current="page"]{color:var(--text-dark)}
.solution-page-main{padding-top:32px}
.solution-page-main .breadcrumb-nav{padding-bottom:24px}

/* ---------- 方案子页布局 ---------- */
.solution-page-layout{display:grid;grid-template-columns:1fr 280px;gap:40px;align-items:start}
.solution-page-sidebar{position:sticky;top:calc(var(--header-height) + 20px)}
.solution-sidebar-card{padding:24px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:16px}
.solution-sidebar-card h3{font-size:15px;font-weight:600;margin-bottom:12px;color:var(--text-dark)}
.solution-sidebar-card p{font-size:13px;color:var(--text-gray);line-height:1.6;margin-bottom:16px}
.solution-related-links{display:flex;flex-direction:column;gap:8px}
.solution-related-link{display:block;padding:8px 12px;font-size:13px;color:var(--text-gray);background:var(--gray-bg);border-radius:var(--radius-sm);transition:var(--transition)}
.solution-related-link:hover{color:var(--primary);background:var(--primary-light)}
.solutions-hub-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:32px}
.solutions-hub-col h3{font-size:16px;font-weight:600;margin-bottom:16px;padding-bottom:10px;border-bottom:2px solid var(--primary)}
.solutions-hub-col ul{list-style:none;margin:0;padding:0}
.solutions-hub-col li a{display:block;padding:8px 0;font-size:14px;color:var(--text-gray);border-bottom:1px dashed var(--border-light)}
.solutions-hub-col li a:hover{color:var(--primary)}

/* ---------- 功能对比表 (.compare-table) ---------- */
.compare-table-wrap{overflow-x:auto;margin:40px 0}
.compare-table{width:100%;border-collapse:collapse;text-align:center;font-size:14px}
.compare-table thead th{background:var(--dark-bg);color:var(--white);padding:16px 20px;font-weight:600;white-space:nowrap}
.compare-table thead th:first-child{border-radius:var(--radius) 0 0 0}
.compare-table thead th:last-child{border-radius:0 var(--radius) 0 0}
.compare-table tbody td{padding:14px 20px;border-bottom:1px solid var(--border);color:var(--text-gray)}
.compare-table tbody tr:hover{background:var(--gray-bg)}
.compare-table tbody td:first-child{text-align:left;font-weight:500;color:var(--text-dark)}
.compare-table .check{color:#4CAF50;font-size:18px}
.compare-table .cross{color:#ccc;font-size:18px}

/* ---------- 案例卡片 (.case-card) ---------- */
.case-filter{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-bottom:40px}
.case-filter-btn{padding:8px 20px;font-size:14px;font-weight:500;color:var(--text-gray);border-radius:24px;transition:var(--transition);cursor:pointer;background:var(--gray-bg)}
.case-filter-btn:hover{color:var(--primary)}
.case-filter-btn.active{background:var(--primary);color:var(--white)}
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{background:var(--white);border-radius:var(--radius-md);border:1px solid var(--border);padding:28px;transition:var(--transition)}
.case-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.case-card-logo{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.case-card-logo img{width:48px;height:48px;border-radius:var(--radius-sm)}
.case-card-company{font-size:16px;font-weight:600}
.case-card-industry{font-size:12px;color:var(--text-light)}
.case-card-tag{display:inline-block;padding:2px 10px;font-size:11px;color:var(--primary);background:var(--primary-light);border-radius:12px;margin-bottom:12px}
.case-card-desc{font-size:13px;color:var(--text-gray);line-height:1.7;margin-bottom:16px}
.case-card-link{font-size:13px;font-weight:500;color:var(--primary)}

/* ---------- 联系卡片 (.contact-card) ---------- */
.contact-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.contact-card{text-align:center;padding:40px 20px;background:var(--white);border-radius:var(--radius-md);border:1px solid var(--border);transition:var(--transition)}
.contact-card:hover{box-shadow:var(--shadow);border-color:var(--primary)}
.contact-card-icon{width:60px;height:60px;margin:0 auto 16px;background:var(--primary-light);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:24px}
.contact-card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.contact-card p{font-size:14px;color:var(--text-gray);line-height:1.6}

/* ---------- 关于页时间轴 (.timeline) ---------- */
.timeline{position:relative;max-width:700px;margin:0 auto;padding-left:40px}
.timeline::before{content:"";position:absolute;left:15px;top:0;bottom:0;width:2px;background:var(--border)}
.timeline-item{position:relative;padding-bottom:40px}
.timeline-item::before{content:"";position:absolute;left:-32px;top:4px;width:12px;height:12px;background:var(--primary);border-radius:50%;border:3px solid var(--white);box-shadow:0 0 0 2px var(--primary)}
.timeline-year{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:6px}
.timeline-content h3{font-size:16px;font-weight:600;margin-bottom:4px}
.timeline-content p{font-size:14px;color:var(--text-gray)}

/* ---------- 统计区 (.stats-grid) ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-item{text-align:center;padding:30px}
.stat-number{font-size:40px;font-weight:800;color:var(--primary);margin-bottom:8px;line-height:1}
.stat-label{font-size:14px;color:var(--text-gray)}
.stat-number sup{font-size:24px}

/* ---------- 荣誉资质 (.honor-grid) ---------- */
.honor-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.honor-card{text-align:center;padding:36px 24px;background:var(--white);border-radius:var(--radius-md);border:1px solid var(--border);transition:var(--transition)}
.honor-card:hover{box-shadow:var(--shadow)}
.honor-card-icon{width:64px;height:64px;margin:0 auto 16px;background:var(--primary-light);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:28px}
.honor-card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.honor-card p{font-size:13px;color:var(--text-gray);line-height:1.6}

/* ---------- CTA区 (.cta-section) ---------- */
.cta-section{text-align:center;padding:80px 0;background:linear-gradient(135deg,var(--primary),var(--primary-dark))}
.cta-section .section-title{color:var(--white)}
.cta-section .section-subtitle{color:rgba(255,255,255,0.85)}
.cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* ---------- 版本详情 (.version-detail) ---------- */
.version-detail{padding:60px 0}
.version-detail:nth-child(even){background:var(--gray-bg)}
.version-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.version-detail-info h2{font-size:28px;font-weight:700;margin-bottom:16px}
.version-detail-info .version-badge{display:inline-block;padding:4px 16px;background:var(--primary-light);color:var(--primary);border-radius:20px;font-size:13px;font-weight:500;margin-bottom:16px}
.version-detail-info p{font-size:15px;color:var(--text-gray);line-height:1.8;margin-bottom:24px}
.version-features-list li{padding:8px 0;font-size:14px;color:var(--text-dark);display:flex;align-items:center;gap:10px}
.version-features-list li::before{content:"✓";color:var(--primary);font-weight:700;flex-shrink:0}

/* ---------- 方案详情 (.solution-detail) ---------- */
.solution-detail{padding:80px 0;border-bottom:1px solid var(--border)}
.solution-detail:nth-child(odd){background:var(--gray-bg)}
.solution-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.solution-detail-icon{width:80px;height:80px;margin-bottom:20px;background:var(--primary-light);border-radius:var(--radius);display:flex;align-items:center;justify-content:center}
.solution-detail-icon img{width:48px;height:48px}
.solution-detail-text h2{font-size:24px;font-weight:700;margin-bottom:12px}
.solution-detail-text .solution-pain{font-size:14px;color:var(--text-gray);margin-bottom:20px;padding:16px;background:rgba(196,18,48,0.04);border-left:3px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.solution-detail-text p{font-size:14px;color:var(--text-gray);line-height:1.8;margin-bottom:20px}

/* ---------- 动画关键帧 ---------- */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideDown{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}
@keyframes scaleIn{from{opacity:0;transform:scale(0.95)}to{opacity:1;transform:scale(1)}}

/* 默认可见，JS就绪后由IntersectionObserver控制动画 */
.animate-on-scroll{opacity:1;transform:translateY(0);transition:opacity 0.6s ease,transform 0.6s ease}
/* 滚动入场：仅对尚未触发的元素隐藏，避免首屏/边缘元素长期 opacity:0 造成空白 */
.js-ready .animate-on-scroll:not(.fade-in-up){opacity:0;transform:translateY(30px)}
.js-ready .animate-on-scroll.fade-in-up{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion:reduce){
  .js-ready .animate-on-scroll:not(.fade-in-up){opacity:1;transform:none}
}

/* ---------- 补充：solutions.html 专用类 ---------- */
.solutions-nav{padding:20px 0}
.solution-detail-layout{display:flex;gap:40px;align-items:flex-start}
.solution-detail-content{flex:1;min-width:0}
.solution-detail-content .section-title{text-align:left;font-size:24px;margin-bottom:20px}
.solution-detail-icon{flex-shrink:0;width:80px;height:80px;background:var(--primary-light);border-radius:var(--radius);display:flex;align-items:center;justify-content:center}
.solution-detail-icon img{width:56px;height:56px}
.solution-pain-points{margin-bottom:24px;padding:16px;background:rgba(196,18,48,0.04);border-left:3px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.solution-pain-points h3,.solution-tags h3{font-size:15px;font-weight:600;color:var(--text-dark);margin-bottom:10px}
.solution-pain-points ul{padding-left:20px;margin:0}
.solution-pain-points li{font-size:14px;color:var(--text-gray);line-height:1.8;margin-bottom:6px}
.solution-tags{margin-bottom:24px}
.solution-tags-list{display:flex;flex-wrap:wrap;gap:8px}
.solution-tags-list span{padding:4px 14px;font-size:12px;color:var(--primary);background:var(--primary-light);border-radius:20px}
.solution-description p{font-size:14px;color:var(--text-gray);line-height:1.8;margin-bottom:12px}
.solutions-nav-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.solutions-nav-item{display:flex;flex-direction:column;align-items:center;gap:10px;padding:20px 16px;text-align:center;font-size:14px;font-weight:500;color:var(--text-dark);background:var(--white);border-radius:var(--radius);transition:var(--transition);border:1px solid var(--border)}
.solutions-nav-item:hover{color:var(--primary);border-color:var(--primary);box-shadow:var(--shadow-sm)}
.solutions-nav-item img{width:48px;height:48px;display:block}
.solution-description{font-size:14px;color:var(--text-gray);line-height:1.8;margin-bottom:20px}
.solution-links{display:flex;gap:12px;flex-wrap:wrap}
.general-solutions{padding:80px 0}
.general-solutions-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.general-solution-card{text-align:center;padding:36px 24px;background:var(--white);border-radius:var(--radius-md);border:1px solid var(--border);transition:var(--transition)}
.general-solution-card:hover{box-shadow:var(--shadow-md);transform:translateY(-4px);border-color:var(--primary)}
.general-solution-card img{width:48px;height:48px;margin:0 auto 16px}
.general-solution-card h3{font-size:16px;font-weight:600;margin-bottom:8px}
.general-solution-card p{font-size:13px;color:var(--text-gray);line-height:1.6}
.stats-section{padding:40px 0}
.products-section{padding:80px 0}
.update-log{padding:80px 0}
.faq-section{padding:80px 0}
.solutions-section{padding:80px 0}

/* ---------- 方案详情页（官网 solution.htm 结构） ---------- */
.solution-entry-banner{position:relative;min-height:340px;display:flex;align-items:center;background:#eef1f6 center/cover no-repeat;color:var(--text-dark);text-align:center}
.solution-entry-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,0.92) 0%,rgba(255,255,255,0.78) 45%,rgba(245,246,250,0.88) 100%)}
.solution-entry-banner .container{position:relative;z-index:1;padding:72px 20px}
.solution-entry-banner h1{font-size:38px;font-weight:800;margin-bottom:18px;line-height:1.25;color:var(--text-dark)}
.solution-entry-banner p{max-width:720px;margin:0 auto 28px;font-size:16px;line-height:1.85;color:var(--text-gray)}
.solution-entry-section-title{font-size:30px;font-weight:700;text-align:center;color:var(--text-dark);margin-bottom:12px}
.solution-entry-section-title::after{content:"";display:block;width:40px;height:3px;margin:14px auto 0;background:var(--primary);border-radius:2px}
.solution-entry-needs-section .solution-entry-section-title{margin-bottom:36px}
.solution-entry-needs-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.solution-entry-need-card{
  position:relative;min-height:176px;
  background:var(--white);
  border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:var(--transition);
}
.solution-entry-need-card::after{
  content:"";position:absolute;top:0;right:0;bottom:0;width:50%;
  background:var(--need-bg) no-repeat right center / auto 100%;
  pointer-events:none;
}
.solution-entry-need-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(196,18,48,0.18)}
.solution-entry-need-card__body{position:relative;z-index:1;max-width:56%;padding:24px 26px 28px}
.solution-entry-need-card__body h3{font-size:17px;font-weight:700;color:var(--text-dark);margin-bottom:12px;padding-left:14px;border-left:3px solid var(--primary);line-height:1.4}
.solution-entry-need-card__body p{font-size:14px;line-height:1.8;color:var(--text-gray)}
.solution-entry-plan-list{display:flex;flex-direction:column;gap:32px}
.solution-entry-plan-item{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;padding:32px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}
.solution-entry-plan-item--reverse .solution-entry-plan-media{order:2}
.solution-entry-plan-item--reverse .solution-entry-plan-body{order:1}
.solution-entry-plan-media img{width:100%;height:auto;border-radius:var(--radius);background:var(--gray-bg)}
.solution-entry-plan-body h3{font-size:21px;font-weight:700;color:var(--text-dark);margin-bottom:12px}
.solution-entry-plan-body p{font-size:14px;color:var(--text-gray);line-height:1.85;margin-bottom:16px}
.solution-entry-plan-tags{display:flex;flex-wrap:wrap;gap:8px}
.solution-entry-plan-tags span{padding:5px 12px;font-size:12px;color:var(--primary);background:var(--primary-light);border:1px solid rgba(196,18,48,0.12);border-radius:20px;white-space:nowrap}
.solution-entry-notice{margin:28px 0 22px;font-size:13px;color:var(--text-light);text-align:center}
.solution-entry-cta-center{text-align:center}
.solution-entry-advantage-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.solution-entry-advantage-card{position:relative;padding:28px 28px 28px 32px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:var(--transition);overflow:hidden}
.solution-entry-advantage-card::before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,var(--primary),rgba(196,18,48,0.35));border-radius:4px 0 0 4px}
.solution-entry-advantage-card:hover{box-shadow:var(--shadow-md);border-color:rgba(196,18,48,0.15)}
.solution-entry-advantage-card__icon{width:56px;height:56px;margin-bottom:16px;border-radius:12px;overflow:hidden;background:var(--gray-bg);border:1px solid var(--border-light)}
.solution-entry-advantage-card__icon img{width:100%;height:100%;object-fit:cover}
.solution-entry-advantage-card h3{font-size:17px;font-weight:700;margin-bottom:10px;color:var(--text-dark)}
.solution-entry-advantage-card p{font-size:14px;line-height:1.8;color:var(--text-gray)}
.solution-entry-cases-section{
  padding:0 0 56px;
  background:#f8fafd url('../images/solutions/manufacturing/cases-section-bg.png') no-repeat top center;
  background-size:100% 350px;
}
.solution-entry-cases-title{
  padding:48px 0 0;
  font-size:32px;font-weight:700;text-align:center;color:var(--white);line-height:1.3;
}
.solution-entry-cases-slider{max-width:1180px;margin:20px auto 0}
.solution-entry-cases-swiper{
  position:relative;background:var(--white);border-radius:8px;overflow:hidden;
  box-shadow:0 4px 12px rgba(35,45,71,0.05);
}
.solution-entry-cases-viewport{height:324px;overflow:hidden;width:100%;position:relative}
.solution-entry-cases-track{position:relative;height:100%;width:100%}
.solution-entry-cases-slide{
  position:absolute;inset:0;width:100%;height:100%;
  background:center/cover no-repeat;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity 0.45s ease, visibility 0.45s ease;
}
.solution-entry-cases-slide.is-active{opacity:1;visibility:visible;pointer-events:auto;z-index:1}
.solution-cases-arrow{
  position:absolute;top:50%;transform:translateY(-50%);
  width:42px;height:42px;border-radius:50%;border:none;
  background:#c0c8d6;color:var(--white);
  display:flex;align-items:center;justify-content:center;
  opacity:0.45;transition:opacity 0.25s ease;z-index:10;cursor:pointer;
}
.solution-cases-arrow:hover{opacity:0.85}
.solution-cases-arrow--prev{left:40px}
.solution-cases-arrow--next{right:40px}
.solution-cases-dots{
  position:absolute;left:122px;bottom:44px;z-index:10;
  display:flex;align-items:center;gap:8px;
}
.solution-cases-dot{
  width:30px;height:4px;padding:0;border:none;border-radius:8px;
  background:rgba(76,106,255,0.25);cursor:pointer;transition:var(--transition);
}
.solution-cases-dot.is-active{background:#4c6aff}
.solution-entry-cases-slogan{
  margin-top:56px;font-size:24px;font-weight:700;text-align:center;
  color:var(--text-dark);line-height:1.6;
}
.solution-entry-cases-section .solution-entry-cta-center{margin-top:24px}
.solution-entry-breadcrumb-wrap{padding-top:28px;padding-bottom:0;background:var(--white)}

@media(max-width:991px){
  .solution-detail-layout{flex-direction:column;gap:24px}
  .solution-detail-icon{align-self:flex-start}
  .solutions-nav-grid{grid-template-columns:repeat(2,1fr)}
  .general-solutions-grid{grid-template-columns:repeat(2,1fr)}
  .solution-entry-banner h1{font-size:32px}
  .solution-entry-needs-grid,.solution-entry-advantage-grid{grid-template-columns:1fr}
  .solution-entry-plan-item,.solution-entry-plan-item--reverse{grid-template-columns:1fr}
  .solution-entry-plan-item--reverse .solution-entry-plan-media,.solution-entry-plan-item--reverse .solution-entry-plan-body{order:unset}
}
@media(max-width:575px){
  .solutions-nav-grid{grid-template-columns:1fr}
  .general-solutions-grid{grid-template-columns:1fr}
}