/* ============================================================
   模版网站 · 案例页  天蓝色主题
   ============================================================ */
:root{
  --theme:#15a0e8;          /* 天蓝主色 */
  --theme-deep:#0b82c4;     /* 深蓝 */
  --theme-dark:#0a5f93;
  --theme-tint:#e8f5fd;     /* 浅蓝底 */
  --ink:#1b2b3c;
  --sub:#5c6f80;
  --line:#e3edf4;
  --grey-bg:#f5f7f9;
  --footer-bg:#0d2436;
  --radius:6px;
  --header-h:76px;
  --font-num:"DIN Alternate","Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  color:var(--ink);
  background:#fff;
  font-size:16px;
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color .25s}
ul,ol{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
:focus-visible{outline:2px solid var(--theme);outline-offset:2px}
.wp{width:min(1400px,94%);margin:0 auto}

/* ================= 顶部导航 ================= */
.site-header{
  position:absolute;left:0;top:0;width:100%;z-index:50;
  transition:background .35s,box-shadow .35s;
}
.site-header.fix{
  position:fixed;background:#fff;
  box-shadow:0 8px 24px -14px rgba(13,54,84,.35);
}
.header-inner{
  width:min(1400px,96%);margin:0 auto;height:var(--header-h);
  display:flex;align-items:center;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:42px;height:42px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(135deg,var(--theme),var(--theme-deep));
  color:#fff;font-size:24px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px -6px rgba(21,160,232,.7);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:20px;color:#fff;letter-spacing:1px;white-space:nowrap}
.logo-text small{font-size:10px;color:rgba(255,255,255,.65);letter-spacing:2.5px}
.site-header.fix .logo-text strong{color:var(--ink)}
.site-header.fix .logo-text small{color:var(--sub)}

.main-nav{flex:1;display:flex;justify-content:center}
.main-nav>ul{display:flex}
.main-nav>ul>li{position:relative}
.main-nav>ul>li>a{
  display:flex;align-items:center;gap:4px;
  padding:0 20px;height:var(--header-h);
  font-size:17px;font-weight:700;color:#fff;
}
.main-nav>ul>li>a svg{width:12px;height:12px;fill:currentColor;transition:transform .3s}
.main-nav>ul>li>a::after{
  content:"";position:absolute;left:20px;right:20px;bottom:14px;height:3px;border-radius:2px;
  background:var(--theme);transform:scaleX(0);transform-origin:left;transition:transform .3s;
}
.main-nav>ul>li.on>a::after,.main-nav>ul>li:hover>a::after{transform:scaleX(1)}
.main-nav>ul>li:hover>a svg{transform:rotate(180deg)}
.site-header.fix .main-nav>ul>li>a{color:var(--ink)}
.site-header.fix .main-nav>ul>li.on>a,.site-header.fix .main-nav>ul>li:hover>a{color:var(--theme)}

/* 下拉菜单 */
.downmenu{
  position:absolute;top:var(--header-h);left:50%;transform:translate(-50%,12px);
  min-width:340px;background:#fff;border-radius:10px;padding:22px 26px;
  box-shadow:0 24px 60px -20px rgba(13,54,84,.35);
  opacity:0;visibility:hidden;transition:all .3s;
}
.main-nav>ul>li:hover .downmenu{opacity:1;visibility:visible;transform:translate(-50%,0)}
.downmenu h5{font-size:15px;color:var(--theme);margin-bottom:10px;letter-spacing:1px}
.downmenu a{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:8px 0;font-size:15px;color:var(--ink);
}
.downmenu a:hover{color:var(--theme)}
.downmenu a i{font-style:normal;font-size:12px;color:#fff;background:var(--theme);
  border-radius:20px;padding:1px 9px}

.header-tel{
  display:flex;flex-direction:column;align-items:flex-end;justify-content:center;
  height:var(--header-h);padding:0 26px;
  background:#fff;color:var(--theme-deep);flex-shrink:0;align-self:stretch;
  transition:background .35s,color .35s;
}
.header-tel small{font-size:13px;color:var(--theme);display:flex;align-items:center;gap:5px;transition:color .35s}
.header-tel small svg{width:14px;height:14px;fill:var(--theme);transition:fill .35s}
.header-tel strong{font-size:24px;font-family:var(--font-num);font-weight:800;letter-spacing:.5px;line-height:1.3;transition:color .35s}
.header-tel:hover{background:var(--theme-tint)}
/* 滚动吸顶后：天蓝底 + 白字 */
.site-header.fix .header-tel{background:var(--theme);color:#fff}
.site-header.fix .header-tel small{color:rgba(255,255,255,.92)}
.site-header.fix .header-tel small svg{fill:#fff}
.site-header.fix .header-tel:hover{background:var(--theme-deep)}

/* 手机汉堡按钮 */
.nav-toggle{
  display:none;width:44px;height:44px;position:relative;z-index:60;flex-shrink:0;
}
.nav-toggle span{
  position:absolute;left:11px;width:22px;height:2px;border-radius:2px;
  background:#fff;transition:all .3s;
}
.nav-toggle span:nth-child(1){top:16px}
.nav-toggle span:nth-child(2){top:22px}
.nav-toggle span:nth-child(3){top:28px}
.site-header.fix .nav-toggle span{background:var(--ink)}
body.nav-open .nav-toggle span{background:#fff}
body.nav-open .nav-toggle span:nth-child(1){top:22px;transform:rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){top:22px;transform:rotate(-45deg)}

/* 手机抽屉菜单 */
.mobile-drawer{
  position:fixed;inset:0;z-index:55;background:linear-gradient(160deg,var(--theme-deep),var(--theme-dark));
  display:flex;flex-direction:column;justify-content:center;padding:90px 12% 40px;
  transform:translateX(100%);transition:transform .4s cubic-bezier(.7,0,.3,1);
}
body.nav-open .mobile-drawer{transform:translateX(0)}
.mobile-drawer a{
  color:#fff;font-size:22px;font-weight:700;padding:16px 0;
  border-bottom:1px solid rgba(255,255,255,.15);
  display:flex;justify-content:space-between;align-items:center;
}
.mobile-drawer a small{font-size:12px;font-weight:400;opacity:.6;letter-spacing:2px}
.mobile-drawer .m-tel{
  margin-top:34px;border:none;justify-content:center;gap:10px;
  background:#fff;color:var(--theme-deep);border-radius:50px;font-size:18px;
  padding:14px 0;
}
.nav-mask{position:fixed;inset:0;z-index:54;background:rgba(6,32,48,.5);
  opacity:0;visibility:hidden;transition:opacity .3s}
body.nav-open .nav-mask{opacity:1;visibility:visible}
body.nav-open{overflow:hidden}
/* 抽屉打开时顶部导航保持可见，汉堡按钮变为叉号用于关闭 */
body.nav-open .site-header{z-index:60;position:fixed}
body.nav-open .site-header:not(.fix) .logo-text strong{color:#fff}
body.nav-open .site-header:not(.fix) .logo-text small{color:rgba(255,255,255,.65)}
body.nav-open .site-header.fix .logo-text strong{color:var(--ink)}
body.nav-open .site-header.fix .nav-toggle span{background:var(--ink)}

/* ================= Banner（重制 · 天蓝） ================= */
.banner{
  position:relative;overflow:hidden;color:#fff;
  background:linear-gradient(120deg,#0b7dc0 0%,#15a0e8 46%,#4cc3f7 100%);
}
.banner::before{  /* 网格纹理 */
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(105deg,#000 30%,transparent 75%);
  -webkit-mask-image:linear-gradient(105deg,#000 30%,transparent 75%);
}
.banner .cloud{position:absolute;opacity:.5;pointer-events:none}
.banner-inner{
  position:relative;z-index:1;width:min(1400px,94%);margin:0 auto;
  padding:calc(var(--header-h) + 74px) 0 84px;
  display:flex;align-items:center;justify-content:center;gap:48px;
}
.banner-copy{flex:1;min-width:0;max-width:760px;
  display:flex;flex-direction:column;align-items:center;text-align:center}
.banner-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:4px;text-transform:uppercase;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  border-radius:30px;padding:5px 16px;margin-bottom:22px;
}
.banner-kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:#aef3ff}
.banner-copy h1{
  font-size:clamp(30px,4.2vw,56px);line-height:1.25;font-weight:800;
  text-shadow:0 4px 24px rgba(4,54,88,.3);
}
.banner-copy h1 em{font-style:normal;color:#fff;position:relative;white-space:nowrap}
.banner-copy h1 em::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:.34em;z-index:-1;
  background:rgba(174,243,255,.4);border-radius:3px;
}
.banner-sub{
  margin:18px auto 0;font-size:clamp(15px,1.4vw,19px);color:rgba(255,255,255,.88);max-width:34em;
}
.banner-en{
  margin-top:10px;font-size:13px;letter-spacing:6px;text-transform:uppercase;color:rgba(255,255,255,.5);
}
.banner-btns{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap;justify-content:center}
.btn{
  display:inline-flex;align-items:center;gap:8px;height:50px;padding:0 30px;
  border-radius:50px;font-size:16px;font-weight:700;transition:all .25s;white-space:nowrap;
}
.btn svg{width:17px;height:17px;fill:currentColor}
.btn-solid{background:#fff;color:var(--theme-deep);box-shadow:0 14px 28px -12px rgba(3,46,74,.55)}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 18px 34px -12px rgba(3,46,74,.6)}
.btn-line{border:1.5px solid rgba(255,255,255,.65);color:#fff}
.btn-line:hover{background:rgba(255,255,255,.14)}

/* banner 数据块已按需求移除 */

/* ================= 筛选面板（搜索 + 文字链分类） ================= */
.filter-wrap{position:relative;z-index:5;margin-top:-34px}
.filter-panel{
  background:#fff;border-radius:14px;padding:30px 38px 26px;
  box-shadow:0 18px 44px -20px rgba(13,54,84,.3);
}
/* 搜索框居中 */
.search-row{display:flex;justify-content:center;margin-bottom:24px}
.search-box{
  display:flex;width:min(560px,100%);height:52px;
  border:2px solid var(--theme);border-radius:50px;overflow:hidden;
  transition:box-shadow .25s;
}
.search-box:focus-within{box-shadow:0 0 0 4px rgba(21,160,232,.18)}
.search-box input{
  flex:1;border:none;outline:none;padding:0 24px;font-size:16px;color:var(--ink);
  font-family:inherit;min-width:0;
}
.search-box input::placeholder{color:#9db4c4}
.search-box button{
  width:110px;background:var(--theme);color:#fff;font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;gap:7px;transition:background .25s;
}
.search-box button svg{width:17px;height:17px;fill:#fff}
.search-box button:hover{background:var(--theme-deep)}
/* 文字链筛选行 */
.filter-row{
  display:flex;align-items:flex-start;gap:14px;padding:13px 0;
  border-bottom:1px dashed var(--line);font-size:15px;
}
.filter-row:last-child{border-bottom:none}
.fl-label{flex-shrink:0;font-weight:700;color:var(--ink);padding-top:2px;white-space:nowrap}
.fl-links{display:flex;flex-wrap:wrap;gap:6px 4px}
.fl-links button{
  padding:3px 12px;font-size:14px;color:var(--sub);border-radius:20px;
  transition:all .2s;line-height:1.6;
}
.fl-links button:hover{color:var(--theme)}
.fl-links button.on{color:var(--theme);font-weight:700;background:var(--theme-tint)}

/* ================= 案例网格（一行三个 + 分页） ================= */
.case-section{padding:56px 0 20px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px}
.sec-head h2{font-size:clamp(24px,2.6vw,36px);font-weight:800}
.sec-head h2 small{display:block;font-size:13px;letter-spacing:4px;color:var(--theme);
  text-transform:uppercase;font-weight:700;margin-bottom:6px}
.sec-head p{color:var(--sub);font-size:15px;max-width:30em}

.case-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.case-card{
  position:relative;display:block;height:456px;
  border-radius:var(--radius);overflow:hidden;background:var(--theme-tint);
  box-shadow:0 8px 22px -14px rgba(13,54,84,.35);
}
.case-card .img-db{position:absolute;inset:0}
.case-card .img-db img{
  width:100%;height:100%;object-fit:cover;object-position:top center;
  transition:transform .8s cubic-bezier(.2,.6,.2,1),filter .8s;
}
/* 底部常显渐变，保证标题在任何配色的截图上都清晰可读 */
.case-card::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:52%;pointer-events:none;
  background:linear-gradient(to top,rgba(8,42,66,.72),rgba(8,42,66,.25) 55%,transparent);
}
.case-card:hover .img-db img{transform:scale(1.06);filter:blur(3px) brightness(.75)}
.case-card .hover-bg{
  position:absolute;left:0;bottom:0;width:100%;height:55%;
  background:linear-gradient(to top,var(--theme-deep),transparent);
  opacity:0;transition:opacity .4s;
}
.case-card:hover .hover-bg{opacity:.55}
.case-card .cont{
  position:relative;height:100%;display:flex;flex-direction:column;
  justify-content:space-between;padding:20px 22px;transition:transform .4s;
}
.case-card:hover .cont{transform:translateX(8px)}
.case-card .al-cat{
  position:relative;z-index:2;
  align-self:flex-start;font-size:12px;letter-spacing:1px;color:#fff;
  background:rgba(11,130,196,.85);border:1px solid rgba(255,255,255,.35);
  border-radius:20px;padding:3px 12px;
  opacity:0;transform:translateY(-6px);transition:all .4s;
}
.case-card:hover .al-cat{opacity:1;transform:translateY(0)}
.case-card .n-alcon{color:#fff;position:relative;z-index:2;padding-right:64px}
.case-card .n-alcon p{
  font-size:14px;color:rgba(255,255,255,.92);
  opacity:0;transform:translateY(8px);transition:all .4s;
}
.case-card:hover .n-alcon p{opacity:1;transform:translateY(0)}
.case-card .n-alcon h5{
  font-size:20px;font-weight:800;line-height:1.5;
  text-shadow:0 2px 12px rgba(6,40,64,.6);
}
.case-card .diqu{
  position:absolute;z-index:2;right:20px;bottom:16px;display:flex;align-items:center;gap:6px;
  color:#fff;font-size:14px;transition:transform .4s;
}
.case-card .diqu svg{width:15px;height:15px;fill:#aef3ff}
.case-card:hover .diqu{transform:translateX(-8px)}
.case-card.hide{display:none}

/* 空结果提示 */
.case-empty{
  text-align:center;color:var(--sub);font-size:15px;padding:60px 0;
}
.case-empty strong{color:var(--theme)}

/* 分页 */
.case-pager{
  display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;
  margin-top:36px;
}
.case-pager button{
  min-width:42px;height:42px;padding:0 14px;border-radius:10px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:15px;
  display:inline-flex;align-items:center;justify-content:center;gap:5px;
  transition:all .2s;
}
.case-pager button svg{width:14px;height:14px;fill:currentColor}
.case-pager button:hover:not(:disabled):not(.on){border-color:var(--theme);color:var(--theme)}
.case-pager button.on{background:var(--theme);border-color:var(--theme);color:#fff;font-weight:700}
.case-pager button:disabled{opacity:.4;cursor:not-allowed}
.case-pager .pager-info{font-size:13px;color:var(--sub);margin-left:10px}

/* 底部 CTA（还原参考站“嗨，领导~”模块） */
.case-cta{
  margin:60px auto 90px;text-align:center;
  background:linear-gradient(135deg,var(--theme-tint),#f4fbff);
  border:1px solid var(--line);border-radius:18px;
  padding:56px 24px;position:relative;overflow:hidden;
}
.case-cta::before,.case-cta::after{
  content:"";position:absolute;border-radius:50%;
  background:radial-gradient(circle,rgba(21,160,232,.16),transparent 70%);
}
.case-cta::before{width:340px;height:340px;left:-120px;top:-160px}
.case-cta::after{width:300px;height:300px;right:-110px;bottom:-150px}
.cta-line1{font-size:clamp(24px,3vw,36px);font-weight:800;color:var(--ink);position:relative}
.cta-line1 span{color:var(--theme)}
.cta-line2{margin:16px auto 30px;color:var(--sub);font-size:16px;max-width:36em;position:relative}
.cta-btn{
  position:relative;display:inline-flex;align-items:center;gap:9px;height:52px;padding:0 38px;
  border-radius:50px;background:var(--theme);color:#fff;font-size:17px;font-weight:700;
  box-shadow:0 14px 30px -10px rgba(21,160,232,.6);transition:all .25s;
}
.cta-btn svg{width:18px;height:18px;fill:#fff}
.cta-btn:hover{background:var(--theme-deep);transform:translateY(-2px)}

/* ================= 页脚 ================= */
.footer-features{
  display:grid;grid-template-columns:repeat(5,1fr);gap:20px;
  width:min(1400px,94%);margin:0 auto;padding:44px 0;
}
.feature{display:flex;align-items:center;gap:14px}
.feature svg{width:38px;height:38px;fill:var(--theme);flex-shrink:0}
.feature strong{display:block;font-size:16px;white-space:nowrap}
.feature span{font-size:13px;color:var(--sub)}
.site-footer{border-top:1px solid var(--line)}
.footer-main{
  background:var(--footer-bg);color:#c8d6e2;
}
.footer-main .cols{
  width:min(1400px,94%);margin:0 auto;padding:56px 0 40px;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1.1fr;gap:36px;
}
.fc-label{display:flex;align-items:center;gap:8px;font-size:14px;color:#8fa8ba}
.fc-label svg{width:17px;height:17px;fill:var(--theme)}
.fc-tel{
  display:block;font-family:var(--font-num);font-size:32px;font-weight:800;color:#fff;
  margin:8px 0 14px;letter-spacing:.5px;
}
.fc-tel:hover{color:var(--theme)}
.fc-addr{font-size:14px;line-height:2;color:#8fa8ba}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer-col h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:3px;
  border-radius:2px;background:var(--theme)}
.footer-col a{display:block;padding:5px 0;font-size:14px;color:#9db4c4}
.footer-col a:hover{color:#fff;padding-left:5px}
.qr-box{display:flex;gap:18px}
.qr-item{text-align:center}
.qr-code{
  width:96px;height:96px;background:#fff;border-radius:8px;padding:6px;
}
.qr-code img{width:100%;height:100%;object-fit:cover;border-radius:4px}
.qr-item span{display:block;margin-top:8px;font-size:12px;color:#8fa8ba}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  background:var(--footer-bg);
}
.footer-bottom .wp{
  /*display:flex;*/justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:18px 0;font-size:13px;color:#6f8798;
  text-align: center;
}
.footer-bottom a{color:#6f8798}
.footer-bottom a:hover{color:#fff}

/* ================= 右侧悬浮条 ================= */
.float-bar{
  position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:40;
  display:flex;flex-direction:column;gap:8px;
}
.float-item{
  position:relative;width:48px;height:48px;border-radius:10px;
  background:#fff;box-shadow:0 8px 22px -8px rgba(13,54,84,.4);
  display:flex;align-items:center;justify-content:center;transition:background .25s;
}
.float-item svg{width:22px;height:22px;fill:var(--theme)}
.float-item:hover{background:var(--theme)}
.float-item:hover svg{fill:#fff}
.float-tip{
  position:absolute;right:58px;top:50%;transform:translateY(-50%) translateX(6px);
  background:var(--footer-bg);color:#fff;font-size:12px;line-height:1.5;text-align:center;
  padding:7px 12px;border-radius:8px;white-space:nowrap;
  opacity:0;visibility:hidden;transition:all .25s;
}
.float-item:hover .float-tip{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}
#backTop{opacity:0;visibility:hidden;transform:translateY(8px);transition:all .3s}
#backTop.show{opacity:1;visibility:visible;transform:translateY(0)}

/* ================= 详情页 ================= */
.detail-hero{
  position:relative;color:#fff;overflow:hidden;
  background:linear-gradient(120deg,#0b7dc0,#15a0e8 55%,#4cc3f7);
}
.detail-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(105deg,#000 20%,transparent 70%);
  -webkit-mask-image:linear-gradient(105deg,#000 20%,transparent 70%);
}
.detail-hero .banner-inner{padding:calc(var(--header-h) + 60px) 0 64px;gap:40px;justify-content:flex-start}
.detail-hero .banner-copy{align-items:flex-start;text-align:left;max-width:820px}
.detail-hero .banner-sub{margin:12px 0 0}
.breadcrumb{font-size:14px;color:rgba(255,255,255,.75);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.75)}
.breadcrumb a:hover{color:#fff}
.breadcrumb .sep{margin:0 8px;opacity:.5}
.detail-hero h1{font-size:clamp(26px,3.4vw,44px);font-weight:800;line-height:1.3}
.detail-sub{margin-top:12px;color:rgba(255,255,255,.88);font-size:clamp(14px,1.3vw,17px)}
.detail-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.meta-pill{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.3);
  border-radius:30px;padding:6px 16px;
}
.meta-pill svg{width:14px;height:14px;fill:#aef3ff}

.detail-main{
  width:min(1400px,94%);margin:0 auto;padding:56px 0 90px;
  display:grid;grid-template-columns:1fr 340px;gap:44px;align-items:start;
}
.detail-preview{
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
  box-shadow:0 20px 50px -24px rgba(13,54,84,.35);background:var(--theme-tint);
}
.detail-preview img{width:100%;height:auto}
.detail-desc{margin-top:34px}
.detail-desc h2{font-size:22px;margin-bottom:14px;padding-left:14px;border-left:4px solid var(--theme)}
.detail-desc p{color:var(--sub);margin-bottom:12px}
.detail-desc ul{margin:10px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.detail-desc li{
  background:var(--theme-tint);border-radius:8px;padding:12px 16px;font-size:14px;
  display:flex;align-items:center;gap:8px;
}
.detail-desc li::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--theme);flex-shrink:0}

.pageNavi{
  display:flex;justify-content:space-between;gap:16px;margin-top:40px;
  border-top:1px solid var(--line);padding-top:24px;
}
.pageNavi>div{max-width:48%}
.pageNavi a{font-size:15px;color:var(--sub);display:block}
.pageNavi a:hover{color:var(--theme)}
.pageNavi a strong{color:var(--ink);display:block;font-size:13px;margin-bottom:4px}
.pageNavi .pageright a{text-align:right;margin-left:auto}

.info-card{
  position:sticky;top:calc(var(--header-h) + 20px);
  border:1px solid var(--line);border-radius:14px;overflow:hidden;
  box-shadow:0 16px 40px -22px rgba(13,54,84,.3);
}
.info-card h3{
  background:linear-gradient(120deg,var(--theme-deep),var(--theme));
  color:#fff;font-size:17px;padding:16px 22px;
}
.info-card dl{padding:8px 22px 16px}
.info-card dl>div{
  display:flex;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px dashed var(--line);font-size:14px;
}
.info-card dl>div:last-child{border-bottom:none}
.info-card dt{color:var(--sub);flex-shrink:0}
.info-card dd{text-align:right;font-weight:600}
.info-card .btns{padding:0 22px 22px;display:flex;flex-direction:column;gap:12px}
.btn-brand{
  display:flex;align-items:center;justify-content:center;gap:8px;height:48px;
  border-radius:50px;background:var(--theme);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 10px 22px -8px rgba(21,160,232,.55);transition:all .25s;
}
.btn-brand svg{width:16px;height:16px;fill:#fff}
.btn-brand:hover{background:var(--theme-deep)}
.btn-ghost{
  display:flex;align-items:center;justify-content:center;gap:8px;height:48px;
  border-radius:50px;border:1.5px solid var(--theme);color:var(--theme);
  font-weight:700;font-size:15px;font-family:var(--font-num);transition:all .25s;
}
.btn-ghost svg{width:16px;height:16px;fill:var(--theme)}
.btn-ghost:hover{background:var(--theme-tint)}

/* ================= 响应式 ================= */
@media (max-width:1100px){
  .main-nav>ul>li>a{padding:0 13px;font-size:16px}
  .header-tel{padding:0 18px}
  .header-tel strong{font-size:20px}
  .footer-main .cols{grid-template-columns:1fr 1fr 1fr;gap:30px}
  .footer-features{grid-template-columns:repeat(3,1fr);gap:26px}
}
@media (max-width:900px){
  .main-nav{display:none}
  .header-tel{display:none}
  .nav-toggle{display:block;margin-left:auto}
  .banner-inner{flex-direction:column;align-items:center;gap:30px;
    padding:calc(var(--header-h) + 46px) 0 92px}
  /* 筛选面板：手机版 */
  .filter-wrap{margin-top:-30px}
  .filter-panel{padding:22px 18px 16px;border-radius:12px}
  .search-row{margin-bottom:16px}
  .search-box{height:46px}
  .search-box input{padding:0 16px;font-size:15px}
  .search-box button{width:86px;font-size:15px}
  .filter-row{flex-direction:column;gap:6px;padding:11px 0}
  /* 案例网格：手机版一行两个 */
  .case-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
  .case-card{height:180px}
  .case-card .cont{padding:14px}
  .case-card .n-alcon{padding-right:0}
  .case-card .n-alcon h5{font-size:15px;line-height:1.45}
  .case-card .diqu{display:none}
  .grid-tip{display:none}
  /* 分页：手机版紧凑 */
  .case-pager{gap:6px;margin-top:28px}
  .case-pager button{min-width:38px;height:38px;padding:0 11px;font-size:14px}
  .case-pager .pager-info{width:100%;text-align:center;margin:6px 0 0;order:9}
  .detail-main{grid-template-columns:1fr;gap:36px;padding:40px 0 70px}
  .info-card{position:static}
  .footer-features{grid-template-columns:1fr 1fr;padding:34px 0;gap:20px 12px}
  .feature{gap:10px}
  .feature svg{width:32px;height:32px}
  .feature strong{font-size:15px}
  .footer-main .cols{grid-template-columns:1fr}
  /* 手机版页脚只保留联系方式栏目 */
  .footer-col:not(.footer-contact){display:none}
  .float-bar{right:10px;top:auto;bottom:calc(18px + env(safe-area-inset-bottom));transform:none}
  .float-item{width:44px;height:44px}
  .float-bar a.float-item{display:none}  /* 手机版联系方式已在抽屉与按钮中，避免遮挡内容 */
}
@media (max-width:560px){
  :root{--header-h:62px}
  .logo-mark{width:36px;height:36px;font-size:20px}
  .logo-text strong{font-size:17px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:8px}
  .case-cta{margin:44px auto 64px;padding:42px 18px}
  .footer-main .cols{grid-template-columns:1fr;padding:44px 0 30px;gap:28px}
  .footer-bottom .wp{justify-content:center;text-align:center}
  .pageNavi{flex-direction:column;gap:14px}
  .pageNavi a{max-width:100%}
  .pageNavi .pageright a{text-align:left}
  .detail-desc ul{grid-template-columns:1fr}
  .banner-btns .btn{flex:1;justify-content:center;padding:0 12px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;transition-duration:.01ms !important}
}