@charset "utf-8";
/* ============ 中劲内页设计系统 v2（仅作用于 .cv-page 内部） ============ */
.cv-page{
  --cv-navy:#0c2f52; --cv-navy-2:#144b7c; --cv-blue:#1f6feb; --cv-blue-soft:#e9f1fd;
  --cv-ink:#18212c; --cv-muted:#5b6779; --cv-line:#e3e9f2;
  --cv-surface:#f6f9fd; --cv-white:#ffffff;
  --cv-r-sm:8px; --cv-r-md:14px; --cv-r-lg:20px;
  --cv-sh-1:0 1px 2px rgba(12,47,82,.05);
  --cv-sh-2:0 18px 40px -22px rgba(12,47,82,.35);
  --cv-ease:cubic-bezier(.16,1,.3,1);
  --cv-num:"Bahnschrift","DIN Alternate","Helvetica Neue",Arial,sans-serif;
  font-family:"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:17px; line-height:1.9; color:var(--cv-ink);
  background:
    radial-gradient(1100px 380px at 88% -8%, #eef5fe 0%, rgba(238,245,254,0) 70%),
    #fff;
  padding:56px 0 58px;
  -webkit-font-smoothing:antialiased;
}
.cv-page *{ box-sizing:border-box; }
.cv-page img{ max-width:100%; }
.cv-inner{ max-width:1180px; margin:0 auto; padding:0 26px; }

/* 商标符号：缩小并抬到右上角 */
.cv-tm{ font-size:.48em; vertical-align:super; line-height:0; letter-spacing:0; margin-left:1px; font-weight:600; }

/* 导语 */
.cv-lead{
  position:relative; margin:0 0 58px; padding:24px 30px 24px 34px;
  background:linear-gradient(120deg,#f4f9ff 0%,#fbfdff 60%,#f6fbff 100%);
  border:1px solid #e2ecfb; border-left:3px solid var(--cv-blue);
  border-radius:0 var(--cv-r-md) var(--cv-r-md) 0;
  color:#3a4859; font-size:18px; font-weight:700; line-height:2.0;
}
.cv-lead b{ color:var(--cv-navy); font-weight:600; }

/* 区块标题 */
.cv-sec{ margin:0 0 66px; }
.cv-sec:last-child{ margin-bottom:0; }
.cv-sec__head{
  display:flex; align-items:flex-end; flex-wrap:wrap; gap:6px 18px;
  padding-bottom:16px; margin-bottom:28px; border-bottom:1px solid var(--cv-line);
}
.cv-sec__no{
  font-family:var(--cv-num); font-size:13.5px; font-weight:600; letter-spacing:.2em;
  color:var(--cv-blue); padding-bottom:8px; white-space:nowrap;
}
.cv-sec__t{ margin:0; font-size:29px; line-height:1.35; font-weight:700; color:var(--cv-navy); letter-spacing:.01em; }
.cv-sec__sub{ margin:0 0 6px auto; font-size:16px; color:#8695a8; letter-spacing:.02em; }

/* 栅格 */
.cv-grid{ display:grid; gap:20px; grid-template-columns:repeat(3,minmax(0,1fr)); }
.cv-grid--2{ grid-template-columns:repeat(2,minmax(0,1fr)); }
.cv-grid--4{ grid-template-columns:repeat(4,minmax(0,1fr)); }
.cv-grid--auto{ grid-template-columns:repeat(auto-fit,minmax(260px,1fr)); }

/* 卡片 */
.cv-card{
  position:relative; background:var(--cv-white); border:1px solid var(--cv-line);
  border-radius:var(--cv-r-md); padding:30px 28px 28px;
  transition:transform .38s var(--cv-ease), box-shadow .38s var(--cv-ease), border-color .38s var(--cv-ease);
}
.cv-card:hover{ transform:translateY(-3px); border-color:#c9dcf8; box-shadow:var(--cv-sh-2); }
.cv-card__no{
  position:absolute; top:14px; right:18px; font-family:var(--cv-num);
  font-size:28px; font-weight:700; line-height:1; color:#edf3fa; letter-spacing:.02em;
}
.cv-card h3{ position:relative; padding-right:52px; margin:0 0 12px; font-size:23px; line-height:1.55; font-weight:700; color:var(--cv-navy); }
.cv-card h4{ position:relative; padding-right:52px; margin:0 0 10px; font-size:21px; line-height:1.55; font-weight:700; color:var(--cv-navy); }
.cv-card .cv-sub{ display:block; margin-top:6px; font-size:15px; font-weight:500; color:#7d8ea3; letter-spacing:.02em; }
.cv-card p{ margin:0; font-size:18px; font-weight:700; line-height:1.9; color:#4c5a6d; }

/* 产品参数行 */
.cv-kv{ margin:0 0 15px !important; font-size:17px !important; line-height:1.95 !important; color:#48576b !important; text-align:justify; text-justify:inter-ideograph; }
.cv-kv:last-child{ margin-bottom:0 !important; }
.cv-kv b{
  display:inline-block; min-width:74px; margin-right:12px; padding:2px 9px;
  font-size:12.5px; font-weight:600; letter-spacing:.06em; color:var(--cv-blue);
  background:var(--cv-blue-soft); border-radius:5px; vertical-align:1.5px; text-align:center;
}

/* 色调变体 */
.cv-card--soft{ background:var(--cv-surface); }
.cv-card--soft:hover{ background:#fff; }

/* 商务对接（深色面板） */
.cv-biz{
  position:relative; overflow:hidden; color:#e9f2fb;
  background:linear-gradient(135deg,#0a2743 0%,#123f6b 52%,#0d3358 100%);
  border-radius:var(--cv-r-lg); padding:44px 46px 42px;
}
.cv-biz::before{
  content:""; position:absolute; top:-190px; right:-120px; width:520px; height:520px;
  background:radial-gradient(circle, rgba(64,142,255,.42) 0%, rgba(64,142,255,0) 62%);
}
.cv-biz::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:1px;
  background:linear-gradient(90deg, rgba(255,255,255,0), rgba(255,255,255,.22), rgba(255,255,255,0));
}
.cv-biz__head{ position:relative; display:flex; align-items:baseline; gap:16px; margin-bottom:34px; }
.cv-biz__head h2{ margin:0; font-size:30px; font-weight:700; color:#fff; letter-spacing:.02em; }
.cv-biz__head span{ font-family:var(--cv-num); font-size:12.5px; letter-spacing:.2em; color:#8db8e6; }
.cv-biz__intro{ position:relative; margin:0 0 32px; max-width:900px; font-size:16.5px; line-height:1.95; color:#cfe0f4; }
.cv-biz__grid{ position:relative; display:grid; grid-template-columns:1fr 1fr 190px; gap:28px; align-items:center; }
.cv-biz__label{ margin:0 0 8px; font-size:14px; letter-spacing:.16em; color:#9cc1e9; }
.cv-biz__val{ margin:0; font-family:var(--cv-num); font-size:32px; font-weight:700; color:#fff; line-height:1.2; font-variant-numeric:tabular-nums; }
.cv-biz__val--name{ font-size:30px; letter-spacing:.04em; }
.cv-biz__tip{ margin:10px 0 0; font-size:13.5px; color:#a8c6e6; }
.cv-biz__qr{ justify-self:end; background:#fff; padding:10px; border-radius:12px; box-shadow:0 16px 34px -18px rgba(0,0,0,.6); }
.cv-biz__qr img{ display:block; width:150px; height:150px; object-fit:contain; }
.cv-biz__qr p{ margin:8px 0 0; text-align:center; font-size:12.5px; color:#7b8aa0; }

/* 收尾 CTA */
.cv-cta{
  position:relative; overflow:hidden; margin-top:8px; border-radius:var(--cv-r-lg);
  padding:56px 46px; text-align:center; color:#fff;
  background:linear-gradient(140deg,#0b2b4a 0%,#154a7a 48%,#0e3459 100%);
}
.cv-cta::before{
  content:""; position:absolute; inset:0;
  background:radial-gradient(ellipse 92% 80% at 50% 118%, rgba(64,142,255,.40) 0%, rgba(64,142,255,.13) 46%, rgba(64,142,255,0) 78%);
}
.cv-cta h2{ position:relative; margin:0 0 16px; font-size:32px; line-height:1.4; font-weight:700; letter-spacing:.02em; }
.cv-cta p{ position:relative; margin:0 auto; max-width:860px; font-size:16px; line-height:1.95; color:#c6dbf1; }

/* 入场动效 */
@keyframes cvUp{ from{ opacity:0; transform:translateY(16px); } to{ opacity:1; transform:none; } }
.cv-reveal{ animation:cvUp .72s var(--cv-ease) both; }
.cv-reveal:nth-child(2){ animation-delay:.09s; }
.cv-reveal:nth-child(3){ animation-delay:.18s; }
.cv-reveal:nth-child(4){ animation-delay:.27s; }
@media (prefers-reduced-motion:reduce){ .cv-reveal{ animation:none; } }

/* 响应式 */
@media (min-width:1025px) and (max-width:1320px){
  /* 四栏在 21px 标题下放不下，降为两栏，保证标题统一字号且不折行 */
  .cv-grid--4{ grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (max-width:1024px){
  .cv-grid, .cv-grid--4{ grid-template-columns:repeat(2,minmax(0,1fr)); }
  .cv-biz__grid{ grid-template-columns:1fr 1fr; }
  .cv-biz__qr{ grid-column:1 / -1; justify-self:start; }
}
@media (max-width:720px){
  .cv-page{ padding:36px 0 52px; font-size:16px; }
  .cv-sec{ margin-bottom:48px; }
  .cv-sec__t{ font-size:23px; }
  .cv-sec__sub{ display:none; }
  .cv-grid, .cv-grid--2, .cv-grid--4, .cv-grid--auto{ grid-template-columns:1fr; }
  .cv-card{ padding:22px 20px; }
  .cv-biz{ padding:32px 22px; }
  .cv-biz__grid{ grid-template-columns:1fr; }
  .cv-biz__val{ font-size:26px; }
  .cv-cta{ padding:40px 22px; }
  .cv-cta h2{ font-size:24px; }
}

/* ===== 附加组件（hr 页使用） ===== */
.cv-intro{
  position:relative; margin:0 0 58px; padding:38px 40px;
  border-radius:var(--cv-r-lg); border:1px solid #e1ebfa;
  background:linear-gradient(130deg,#f5f9ff 0%,#eef5fd 58%,#f8fbff 100%);
}
.cv-intro__tag{ display:inline-block; margin-bottom:14px; font-family:var(--cv-num); font-size:12.5px; font-weight:600; letter-spacing:.2em; color:var(--cv-blue); }
.cv-intro h2{ margin:0 0 14px; font-size:28px; line-height:1.4; font-weight:700; color:var(--cv-navy); letter-spacing:.01em; }
.cv-intro p{ margin:0; font-size:18px; font-weight:700; line-height:1.95; color:#41505f; }
.cv-note{
  margin:20px 0 0; padding-left:16px; border-left:2px solid var(--cv-blue);
  font-size:18px; font-weight:700; line-height:1.9; color:#3f4d5e;
}
.cv-phone{
  margin:0; font-family:var(--cv-num); font-size:30px; font-weight:700;
  color:var(--cv-navy); letter-spacing:.02em; font-variant-numeric:tabular-nums; line-height:1.3;
}
.cv-phone a{ color:inherit; text-decoration:none; }
.cv-qr{ display:inline-block; margin-top:4px; background:#fff; border:1px solid var(--cv-line); border-radius:12px; padding:8px; }
.cv-qr img{ display:block; width:148px; height:148px; object-fit:contain; }
.cv-tm{ font-size:.48em; vertical-align:super; line-height:0; letter-spacing:0; margin-left:1px; font-weight:600; }

/* 四栏卡片：隐去水印编号；标题/正文字号与其它板块保持一致 */
.cv-grid--4 .cv-card{ padding:26px 24px; }
.cv-grid--4 .cv-card__no{ display:none; }
.cv-grid--4 .cv-card h4{ padding-right:0; font-size:21px; letter-spacing:0; }
.cv-grid--4 .cv-card p{ font-size:18px; font-weight:700; line-height:1.85; }

/* 长标题不折行（仅在宽度充裕时生效，窄屏回落为正常折行，避免溢出卡片） */
.cv-card h4.cv-nowrap{ white-space:nowrap; padding-right:8px; }
@media (max-width:1200px){
  .cv-card h4.cv-nowrap{ white-space:normal; padding-right:52px; }
}

/* 联系信息横条 */
.cv-contact{
  display:grid; grid-template-columns:1fr 1.15fr 210px; align-items:center;
  background:linear-gradient(135deg,#e9f1fd 0%,#f4f8ff 100%); border:1px solid #d6e4f7; border-radius:var(--cv-r-lg);
  overflow:hidden; box-shadow:var(--cv-sh-1);
}
.cv-contact__item{ padding:22px 28px; border-left:1px solid #cfe0f5; }
.cv-contact__item:first-child{ border-left:0; }
.cv-contact__label{ margin:0 0 10px; font-size:14px; letter-spacing:.14em; color:#7e93ad; }
.cv-contact__item p{ margin:0; font-size:18px; font-weight:700; line-height:1.85; color:#3f4d5e; }
.cv-contact__item--qr{ text-align:center; }
@media (max-width:1024px){
  .cv-contact{ grid-template-columns:1fr 1fr; }
  .cv-contact__item--qr{ grid-column:1 / -1; border-left:0; border-top:1px solid var(--cv-line); }
}
@media (max-width:720px){
  .cv-contact{ grid-template-columns:1fr; }
  .cv-contact__item{ border-left:0; border-top:1px solid var(--cv-line); padding:24px 22px; }
  .cv-contact__item:first-child{ border-top:0; }
}

/* 移动端细节 */
@media (max-width:720px){
  .cv-biz__head{ display:block; }
  .cv-biz__head h2{ white-space:nowrap; }
  .cv-biz__head span{ display:block; margin-top:8px; }
  .cv-biz__qr{ justify-self:center; text-align:center; }
  .cv-biz__qr img{ margin:0 auto; }
  .cv-contact__item--qr{ text-align:left; }
}

/* banner 左对齐：避免 1440/1280 屏幕下 cover 裁掉左侧文案 */
.banner--l .bg{ background-position:left center !important; }

/* 可访问性：键盘焦点可见 */
.cv-page a:focus-visible, .cv-page .cv-card:focus-within{
  outline:2px solid var(--cv-blue); outline-offset:3px; border-radius:6px;
}
.cv-page ::selection{ background:#cfe2ff; color:#0c2f52; }

/* 平板宽度：三卡网格最后一张跨满，避免右侧留空 */
@media (max-width:1100px) and (min-width:721px){
  .cv-grid:not(.cv-grid--4):not(.cv-grid--2) > .cv-card:last-child{ grid-column:1 / -1; }
}