/* ==========================================================================
   菲凡士 KETCH 地坪 — 全站样式
   主色：红 / 蓝 / 白    无任何外部依赖
   ========================================================================== */

/* ---------- 1. 变量与基础 ---------- */
:root{
  --red:#d81e26;
  --red-d:#a8141b;
  --red-l:#ff4d55;
  --blue:#0c3c78;
  --blue-d:#072a56;
  --blue-l:#1a63c4;
  --ink:#12233d;
  --body:#5a6a80;
  --line:#e4e9f0;
  --bg:#ffffff;
  --bg-soft:#f5f7fb;
  --bg-deep:#0a1f3d;

  --grad-red:linear-gradient(135deg,#ff3b43 0%,#d81e26 55%,#a8141b 100%);
  --grad-blue:linear-gradient(135deg,#1a63c4 0%,#0c3c78 60%,#072a56 100%);
  --grad-mix:linear-gradient(120deg,#0c3c78 0%,#123f80 45%,#d81e26 100%);

  --sh-1:0 2px 10px rgba(12,60,120,.06);
  --sh-2:0 10px 30px rgba(12,60,120,.10);
  --sh-3:0 22px 60px rgba(12,60,120,.16);

  --r-s:6px; --r-m:12px; --r-l:20px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --hh:88px;          /* 头部高度 */
  --max:1280px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;background:var(--bg);color:var(--body);
  font:400 15px/1.85 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .3s var(--ease);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.32;letter-spacing:.4px;}
p{margin:0 0 1em;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
::selection{background:var(--red);color:#fff;}

/* 滚动条 */
::-webkit-scrollbar{width:9px;height:9px;}
::-webkit-scrollbar-track{background:#eef2f7;}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--blue-l),var(--blue));border-radius:9px;}
::-webkit-scrollbar-thumb:hover{background:var(--red);}

/* ---------- 2. 布局工具 ---------- */
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
.sec{padding:96px 0;position:relative;}
.sec-soft{background:var(--bg-soft);}
.grid{display:grid;gap:26px;}
.g2{grid-template-columns:repeat(2,1fr);}
.g3{grid-template-columns:repeat(3,1fr);}
.g4{grid-template-columns:repeat(4,1fr);}
.flex{display:flex;}
.mt-0{margin-top:0;} .mb-0{margin-bottom:0;}
.tc{text-align:center;}

/* ---------- 3. 标题模块 ---------- */
.sec-head{position:relative;margin-bottom:52px;}
.sec-head.center{text-align:center;}
.sec-head .en{
  display:block;font:800 62px/1 "Helvetica Neue",Arial,sans-serif;
  letter-spacing:2px;text-transform:uppercase;
  color:transparent;-webkit-text-stroke:1px rgba(12,60,120,.13);
  margin-bottom:-30px;user-select:none;
}
.sec-head h2{font-size:38px;position:relative;display:inline-block;padding-bottom:20px;}
.sec-head h2 em{font-style:normal;color:var(--red);}
.sec-head h2::after{
  content:"";position:absolute;left:0;bottom:0;height:4px;width:56px;border-radius:4px;
  background:var(--grad-red);transition:width .6s var(--ease-out);
}
.sec-head.center h2::after{left:50%;transform:translateX(-50%);}
.sec-head.in h2::after{width:96px;}
.sec-head .desc{max-width:720px;margin:14px 0 0;color:var(--body);font-size:15.5px;}
.sec-head.center .desc{margin-left:auto;margin-right:auto;}
.sec-head .more{position:absolute;right:0;bottom:14px;}

/* 深底标题 */
.on-dark .sec-head .en{-webkit-text-stroke:1px rgba(255,255,255,.16);}
.on-dark .sec-head h2,.on-dark h3,.on-dark h4{color:#fff;}
.on-dark .sec-head .desc{color:rgba(255,255,255,.7);}

/* ---------- 4. 按钮 ---------- */
.btn{
  --bg1:var(--red); --bg2:var(--red-d);
  position:relative;display:inline-flex;align-items:center;gap:10px;
  padding:0 34px;height:52px;border:0;border-radius:52px;cursor:pointer;
  font-size:15px;font-weight:600;letter-spacing:1px;color:#fff;
  background:var(--bg1);overflow:hidden;isolation:isolate;
  transition:transform .45s var(--ease-out),box-shadow .45s var(--ease-out),color .35s;
  box-shadow:0 8px 22px rgba(216,30,38,.28);
}
.btn::before{
  content:"";position:absolute;inset:0;z-index:-1;background:var(--bg2);
  transform:translateY(101%);transition:transform .5s var(--ease-out);border-radius:inherit;
}
.btn:hover{transform:translateY(-4px);box-shadow:0 16px 34px rgba(216,30,38,.36);}
.btn:hover::before{transform:translateY(0);}
.btn:active{transform:translateY(-1px) scale(.98);}
.btn .ar{transition:transform .45s var(--ease-out);}
.btn:hover .ar{transform:translateX(6px);}

.btn-blue{--bg1:var(--blue);--bg2:var(--blue-l);box-shadow:0 8px 22px rgba(12,60,120,.28);}
.btn-blue:hover{box-shadow:0 16px 34px rgba(12,60,120,.36);}

.btn-ghost{
  --bg1:transparent;--bg2:#fff;color:#fff;border:1.5px solid rgba(255,255,255,.6);
  box-shadow:none;
}
.btn-ghost:hover{color:var(--blue);box-shadow:0 14px 30px rgba(0,0,0,.2);border-color:#fff;}

.btn-out{
  --bg1:transparent;--bg2:var(--red);color:var(--red);border:1.5px solid var(--red);box-shadow:none;
}
.btn-out:hover{color:#fff;box-shadow:0 14px 30px rgba(216,30,38,.28);}

.btn-sm{height:42px;padding:0 24px;font-size:13.5px;}

/* 涟漪 */
.ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.42);
  transform:scale(0);animation:rp .65s linear forwards;pointer-events:none;z-index:0;}
@keyframes rp{to{transform:scale(3.4);opacity:0;}}

/* 文字型更多 */
.more{display:inline-flex;align-items:center;gap:9px;font-size:14px;font-weight:600;color:var(--blue);}
.more i{width:30px;height:30px;border-radius:50%;background:var(--bg-soft);
  display:grid;place-items:center;transition:.45s var(--ease-out);}
.more svg{width:13px;height:13px;fill:currentColor;transition:.45s var(--ease-out);}
.more:hover{color:var(--red);}
.more:hover i{background:var(--red);color:#fff;transform:rotate(-45deg);}

/* ---------- 5. 顶部信息条 ---------- */
.topbar{
  background:var(--blue-d);color:rgba(255,255,255,.68);font-size:13px;height:38px;
  display:flex;align-items:center;position:relative;z-index:60;
}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;gap:16px;}
.topbar b{color:#fff;font-weight:600;}
.topbar .tl span{margin-right:18px;}
.topbar .tr{display:flex;gap:20px;}
.topbar a:hover{color:var(--red-l);}

/* ---------- 6. 头部 / 导航 ---------- */
.hd{
  position:sticky;top:0;z-index:900;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid rgba(228,233,240,.9);
  transition:height .38s var(--ease),box-shadow .38s var(--ease),background .38s;
}
/* 必须用子选择器：否则会连巨幕菜单里的 .wrap 一起命中，把它压成头部高度 */
.hd>.wrap{display:flex;align-items:center;justify-content:space-between;height:var(--hh);
  transition:height .38s var(--ease);}
.hd.shrink{box-shadow:var(--sh-2);}
.hd.shrink>.wrap{height:70px;}

/* logo */
.logo{display:flex;align-items:center;gap:12px;flex:none;}
.logo .mk{
  width:46px;height:46px;border-radius:12px;background:var(--grad-mix);
  display:grid;place-items:center;color:#fff;font:800 19px/1 Arial;letter-spacing:-.5px;
  box-shadow:0 6px 18px rgba(12,60,120,.3);position:relative;overflow:hidden;
  transition:transform .5s var(--ease-out);
}
.logo .mk::after{content:"";position:absolute;top:-60%;left:-120%;width:60%;height:220%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.55),transparent);transform:rotate(22deg);}
.logo:hover .mk{transform:rotate(-8deg) scale(1.06);}
.logo:hover .mk::after{animation:shine .9s var(--ease-out);}
@keyframes shine{to{left:150%;}}
.logo .tx b{display:block;font-size:19px;color:var(--ink);font-weight:800;letter-spacing:1px;line-height:1.2;}
.logo .tx s{display:block;text-decoration:none;font-size:10.5px;color:var(--body);letter-spacing:2.4px;text-transform:uppercase;}

/* 主菜单 */
.nav{display:flex;align-items:center;height:100%;}
.nav>li{position:relative;height:100%;display:flex;align-items:center;}
.nav>li>a{
  position:relative;display:flex;align-items:center;gap:5px;height:100%;padding:0 19px;
  font-size:15.5px;font-weight:600;color:var(--ink);letter-spacing:.5px;
}
.nav>li>a::after{
  content:"";position:absolute;left:19px;right:19px;bottom:24px;height:3px;border-radius:3px;
  background:var(--grad-red);transform:scaleX(0);transform-origin:right;
  transition:transform .42s var(--ease-out);
}
.nav>li:hover>a::after,.nav>li.open>a::after,.nav>li.on>a::after{transform:scaleX(1);transform-origin:left;}
.nav>li:hover>a,.nav>li.open>a,.nav>li.on>a{color:var(--red);}
.nav .caret{width:9px;height:9px;fill:currentColor;opacity:.55;transition:transform .38s var(--ease);}
.nav>li:hover .caret,.nav>li.open .caret{transform:rotate(180deg);}

/* 下拉 —— 普通 */
.dd{
  position:absolute;top:100%;left:50%;min-width:206px;padding:10px 0;
  background:#fff;border-radius:14px;box-shadow:var(--sh-3);
  transform:translate(-50%,14px);opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .34s var(--ease),transform .34s var(--ease-out),visibility .34s;
  border-top:3px solid var(--red);
}
.nav>li:hover .dd,.nav>li.open .dd{opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0);}
.dd li{opacity:0;transform:translateY(8px);transition:.4s var(--ease-out);}
.nav>li:hover .dd li,.nav>li.open .dd li{opacity:1;transform:none;}
.nav>li.open .dd li:nth-child(1){transition-delay:.04s}
.nav>li.open .dd li:nth-child(2){transition-delay:.08s}
.nav>li.open .dd li:nth-child(3){transition-delay:.12s}
.nav>li.open .dd li:nth-child(4){transition-delay:.16s}
.nav>li.open .dd li:nth-child(5){transition-delay:.2s}
.nav>li.open .dd li:nth-child(6){transition-delay:.24s}
.dd a{display:block;padding:10px 22px;font-size:14.5px;color:var(--ink);position:relative;white-space:nowrap;}
.dd a::before{content:"";position:absolute;left:10px;top:50%;width:0;height:2px;background:var(--red);
  transform:translateY(-50%);transition:width .35s var(--ease-out);}
.dd a:hover{color:var(--red);padding-left:32px;}
.dd a:hover::before{width:14px;}

/* 下拉 —— 巨幕
   1) .hd 带 backdrop-filter，会成为 fixed 子元素的包含块 → 必须用 absolute
   2) 所属 li 置 static，定位基准才落在 .hd 上，菜单才是通栏宽
   3) 开合由 JS 加 .open 控制（带延迟关闭），不依赖 :hover 链，鼠标下移不会断 */
.nav>li.has-mega{position:static;}
.mega{
  position:absolute;left:0;right:0;top:100%;width:100%;padding:34px 0 30px;
  background:#fff;box-shadow:0 24px 44px rgba(12,60,120,.14);border-top:3px solid var(--red);
  transform:translateY(14px);opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease-out),visibility .3s;
  z-index:5;
}
/* 悬停桥：向上盖住 14px，彻底消除头部与菜单之间的任何缝隙 */
.mega::before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px;}
.nav>li:hover .mega,.nav>li.open .mega{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0);}
.mega>.wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:12px 30px;height:auto;}
.mega .col h5{font-size:15px;color:var(--blue);margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.mega .col h5::before{content:"";width:5px;height:15px;border-radius:3px;background:var(--grad-red);}
.mega .col a{display:block;padding:6px 0 6px 14px;font-size:14px;color:var(--body);position:relative;}
.mega .col a::before{content:"";position:absolute;left:0;top:50%;width:5px;height:5px;border-radius:50%;
  background:#c6d1e0;transform:translateY(-50%);transition:.35s var(--ease);}
.mega .col a:hover{color:var(--red);transform:translateX(4px);}
.mega .col a:hover::before{background:var(--red);width:7px;height:7px;}
.mega .promo{
  border-radius:var(--r-m);padding:24px;color:#fff;background:var(--grad-mix);
  display:flex;flex-direction:column;justify-content:space-between;min-height:180px;overflow:hidden;position:relative;
}
.mega .promo::after{content:"";position:absolute;right:-30px;bottom:-40px;width:140px;height:140px;border-radius:50%;
  background:rgba(255,255,255,.1);}
.mega .promo b{font-size:18px;display:block;margin-bottom:8px;}
.mega .promo p{font-size:13px;opacity:.82;margin:0;}
.mega .promo .tel{font:800 24px/1 Arial;margin-top:14px;letter-spacing:.5px;}

/* 头部右侧 */
.hd-r{display:flex;align-items:center;gap:16px;flex:none;}
.hd-tel{display:flex;align-items:center;gap:10px;}
.hd-tel .ic{width:38px;height:38px;border-radius:50%;background:var(--bg-soft);display:grid;place-items:center;color:var(--red);}
.hd-tel .ic svg{width:17px;height:17px;fill:currentColor;animation:ring 2.6s infinite;}
@keyframes ring{0%,72%,100%{transform:rotate(0)}76%{transform:rotate(-12deg)}82%{transform:rotate(12deg)}88%{transform:rotate(-8deg)}}
.hd-tel s{display:block;text-decoration:none;font-size:11px;color:var(--body);line-height:1.3;}
.hd-tel b{display:block;font:800 17px/1.2 Arial;color:var(--blue);letter-spacing:.3px;}

/* 汉堡 */
.burger{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;position:relative;flex:none;}
.burger i{position:absolute;left:12px;width:20px;height:2px;background:var(--ink);border-radius:2px;
  transition:.4s var(--ease-out);}
.burger i:nth-child(1){top:15px;} .burger i:nth-child(2){top:21px;width:14px;} .burger i:nth-child(3){top:27px;}
.burger.on i:nth-child(1){top:21px;transform:rotate(45deg);background:var(--red);}
.burger.on i:nth-child(2){opacity:0;transform:translateX(12px);}
.burger.on i:nth-child(3){top:21px;transform:rotate(-45deg);background:var(--red);}

/* 移动抽屉 */
.drawer{
  position:fixed;inset:0;z-index:880;background:#fff;padding:calc(var(--hh) + 16px) 24px 40px;
  overflow-y:auto;transform:translateX(100%);transition:transform .5s var(--ease-out);
  visibility:hidden;
}
.drawer.open{transform:none;visibility:visible;}
.drawer>ul>li{border-bottom:1px solid var(--line);}
.drawer .lv1{display:flex;align-items:center;justify-content:space-between;padding:16px 2px;
  font-size:16.5px;font-weight:600;color:var(--ink);cursor:pointer;}
.drawer .lv1 svg{width:12px;height:12px;fill:var(--body);transition:transform .4s var(--ease);}
.drawer li.open>.lv1{color:var(--red);}
.drawer li.open>.lv1 svg{transform:rotate(180deg);fill:var(--red);}
.drawer .sub{max-height:0;overflow:hidden;transition:max-height .5s var(--ease-out);}
.drawer li.open>.sub{max-height:760px;}
.drawer .sub a{display:block;padding:11px 16px;font-size:14.5px;color:var(--body);border-left:2px solid var(--line);}
.drawer .sub a:active,.drawer .sub a:hover{color:var(--red);border-color:var(--red);}
.drawer .dw-cta{margin-top:26px;display:flex;flex-direction:column;gap:12px;}
.drawer .dw-cta .btn{width:100%;justify-content:center;}

/* ---------- 7. 首页 Hero ---------- */
.hero{position:relative;height:min(92vh,860px);min-height:540px;overflow:hidden;background:var(--bg-deep);}
.hero-bg{position:absolute;inset:-8% 0;will-change:transform;}
.hero-bg .layer{position:absolute;inset:0;}
.hero-bg .l1{background:var(--grad-mix);}
.hero-bg .l2{
  background:
    radial-gradient(ellipse 70% 60% at 78% 24%,rgba(216,30,38,.55),transparent 62%),
    radial-gradient(ellipse 60% 60% at 12% 82%,rgba(26,99,196,.6),transparent 60%);
  mix-blend-mode:screen;
}
.hero-bg .l3{
  opacity:.16;
  background-image:
    linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:90px 90px;
  transform:perspective(560px) rotateX(62deg) scale(2.4);
  transform-origin:bottom center;
  mask-image:linear-gradient(to top,#000 0%,transparent 62%);
  -webkit-mask-image:linear-gradient(to top,#000 0%,transparent 62%);
}
.hero-bg .l4{background:linear-gradient(to top,rgba(7,26,52,.82) 0%,rgba(7,26,52,.18) 46%,transparent 72%);}
/* 漂浮光点 */
.orb{position:absolute;border-radius:50%;filter:blur(2px);opacity:.5;animation:float 12s ease-in-out infinite;}
@keyframes float{0%,100%{transform:translate(0,0)}50%{transform:translate(18px,-32px)}}

.hero .wrap{position:relative;z-index:5;height:100%;display:flex;flex-direction:column;justify-content:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;align-self:flex-start;
  padding:8px 18px;border-radius:40px;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);color:#fff;font-size:13px;letter-spacing:1px;
  backdrop-filter:blur(6px);
}
.hero-tag em{font-style:normal;color:#ff8a8f;font-weight:700;}
.hero h1{
  color:#fff;font-size:clamp(30px,5.2vw,62px);line-height:1.18;margin:22px 0 18px;
  letter-spacing:2px;text-shadow:0 6px 30px rgba(0,0,0,.35);max-width:15em;
}
.hero h1 em{font-style:normal;color:#fff;}
.hero .sub{color:rgba(255,255,255,.82);font-size:clamp(14px,1.5vw,18px);max-width:34em;margin-bottom:34px;}
.hero .acts{display:flex;gap:16px;flex-wrap:wrap;}
.hero-facts{
  position:absolute;left:0;right:0;bottom:0;z-index:6;
  background:rgba(255,255,255,.09);backdrop-filter:blur(12px);
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-facts .wrap{display:grid;grid-template-columns:repeat(4,1fr);height:auto;padding-top:22px;padding-bottom:22px;}
.hero-facts .f{color:#fff;text-align:center;position:relative;}
.hero-facts .f+.f::before{content:"";position:absolute;left:0;top:12%;height:76%;width:1px;background:rgba(255,255,255,.18);}
.hero-facts b{display:block;font:800 30px/1 Arial;letter-spacing:.5px;}
.hero-facts b i{font-style:normal;font-size:16px;margin-left:2px;opacity:.75;}
.hero-facts s{text-decoration:none;font-size:13px;opacity:.72;}

/* 入场 */
.hero .anim{opacity:0;transform:translateY(30px);animation:up .95s var(--ease-out) forwards;}
.hero .d1{animation-delay:.15s} .hero .d2{animation-delay:.32s}
.hero .d3{animation-delay:.49s} .hero .d4{animation-delay:.66s}
@keyframes up{to{opacity:1;transform:none;}}

.scroll-cue{position:absolute;left:50%;bottom:118px;z-index:6;transform:translateX(-50%);
  width:24px;height:40px;border:1.5px solid rgba(255,255,255,.4);border-radius:14px;}
.scroll-cue::after{content:"";position:absolute;left:50%;top:8px;width:3px;height:7px;border-radius:3px;
  background:#fff;transform:translateX(-50%);animation:cue 1.9s infinite;}
@keyframes cue{0%{opacity:0;top:8px}30%{opacity:1}100%{opacity:0;top:24px}}

/* ---------- 8. 内页 Banner（视差） ---------- */
.pb{position:relative;height:400px;overflow:hidden;background:var(--bg-deep);display:flex;align-items:center;}
.pb-bg{position:absolute;inset:-12% 0;will-change:transform;}
.pb-bg .l1{position:absolute;inset:0;background:var(--grad-mix);}
.pb-bg .l2{position:absolute;inset:0;
  background:radial-gradient(ellipse 60% 70% at 80% 30%,rgba(216,30,38,.5),transparent 62%);mix-blend-mode:screen;}
.pb-bg .l3{position:absolute;inset:0;opacity:.14;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:70px 70px;transform:perspective(500px) rotateX(64deg) scale(2.2);transform-origin:bottom center;
  mask-image:linear-gradient(to top,#000,transparent 60%);-webkit-mask-image:linear-gradient(to top,#000,transparent 60%);}
.pb-bg .l4{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,26,52,.7),rgba(7,26,52,.1));}
.pb .wrap{position:relative;z-index:4;}
.pb .en{display:block;font:800 15px/1 Arial;letter-spacing:6px;color:rgba(255,255,255,.5);text-transform:uppercase;margin-bottom:14px;}
.pb h1{color:#fff;font-size:clamp(26px,4vw,46px);letter-spacing:3px;text-shadow:0 6px 26px rgba(0,0,0,.3);}
.pb .line{width:64px;height:4px;border-radius:4px;background:var(--grad-red);margin:20px 0 0;}

/* 面包屑 */
.crumb{background:#fff;border-bottom:1px solid var(--line);}
.crumb .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:60px;flex-wrap:wrap;}
.crumb ol{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--body);flex-wrap:wrap;}
.crumb ol li::after{content:"/";margin-left:9px;opacity:.4;}
.crumb ol li:last-child::after{display:none;}
.crumb ol li:last-child{color:var(--red);font-weight:600;}
.crumb a:hover{color:var(--red);}
.crumb .tabs{display:flex;gap:8px;flex-wrap:wrap;}
.crumb .tabs a{padding:6px 16px;border-radius:30px;font-size:13.5px;color:var(--body);
  background:var(--bg-soft);transition:.35s var(--ease-out);}
.crumb .tabs a:hover{background:#e7edf7;color:var(--blue);transform:translateY(-2px);}
.crumb .tabs a.on{background:var(--grad-red);color:#fff;box-shadow:0 6px 16px rgba(216,30,38,.28);}

/* ---------- 9. 视觉图形（纯 CSS/SVG 生成） ---------- */
.viz{position:relative;width:100%;padding-top:72%;overflow:hidden;background:#e8eef6;}
.viz>svg{position:absolute;inset:0;width:100%;height:100%;}
.viz.sq{padding-top:100%;}
.viz.wide{padding-top:56.25%;}
.viz.tall{padding-top:125%;}

/* ---------- 10. 卡片：产品 ---------- */
.pcard{
  position:relative;background:#fff;border-radius:var(--r-m);overflow:hidden;
  box-shadow:var(--sh-1);border:1px solid var(--line);
  transition:transform .55s var(--ease-out),box-shadow .55s var(--ease-out),border-color .4s;
  display:flex;flex-direction:column;
}
.pcard:hover{transform:translateY(-12px);box-shadow:var(--sh-3);border-color:transparent;}
.pcard .pic{position:relative;overflow:hidden;background:#eaf0f8;}
.pcard .pic .viz>svg{transition:transform 1.05s var(--ease-out);}
.pcard:hover .pic .viz>svg{transform:scale(1.1);}
.pcard .pic::after{
  content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(12,60,120,.62),rgba(216,30,38,.5));
  opacity:0;transition:opacity .5s var(--ease);
}
.pcard:hover .pic::after{opacity:1;}
.pcard .plus{
  position:absolute;z-index:3;left:50%;top:50%;width:54px;height:54px;border-radius:50%;
  background:#fff;color:var(--red);display:grid;place-items:center;
  transform:translate(-50%,-50%) scale(.4);opacity:0;
  transition:transform .55s var(--ease-out),opacity .45s var(--ease);
}
.pcard .plus svg{width:18px;height:18px;fill:currentColor;}
.pcard:hover .plus{transform:translate(-50%,-50%) scale(1);opacity:1;}
.pcard .badge{
  position:absolute;z-index:4;left:0;top:18px;padding:5px 14px 5px 12px;border-radius:0 20px 20px 0;
  background:var(--grad-red);color:#fff;font-size:12px;font-weight:600;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(216,30,38,.32);
}
.pcard .txt{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column;}
.pcard .cat{font-size:12px;color:var(--red);letter-spacing:1px;font-weight:600;margin-bottom:8px;}
.pcard h3{font-size:17.5px;margin-bottom:10px;transition:color .35s;}
.pcard:hover h3{color:var(--red);}
.pcard p{font-size:13.5px;line-height:1.75;color:var(--body);margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.pcard .tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px;}
.pcard .tags span{font-size:11.5px;padding:3px 10px;border-radius:20px;background:var(--bg-soft);color:var(--blue);}
.pcard .go{margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px dashed var(--line);font-size:13.5px;font-weight:600;color:var(--blue);}
.pcard .go i{width:28px;height:28px;border-radius:50%;background:var(--bg-soft);display:grid;place-items:center;
  transition:.45s var(--ease-out);}
.pcard .go svg{width:12px;height:12px;fill:currentColor;}
.pcard:hover .go{color:var(--red);}
.pcard:hover .go i{background:var(--red);color:#fff;transform:translateX(4px);}

/* ---------- 11. 卡片：新闻 ---------- */
.ncard{
  display:flex;gap:26px;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  padding:22px;transition:transform .5s var(--ease-out),box-shadow .5s var(--ease-out);
  position:relative;overflow:hidden;
}
.ncard::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad-red);
  transform:scaleY(0);transform-origin:bottom;transition:transform .5s var(--ease-out);}
.ncard:hover{transform:translateY(-6px);box-shadow:var(--sh-2);}
.ncard:hover::before{transform:scaleY(1);transform-origin:top;}
.ncard .pic{flex:none;width:250px;border-radius:var(--r-s);overflow:hidden;}
.ncard .pic .viz>svg{transition:transform 1s var(--ease-out);}
.ncard:hover .pic .viz>svg{transform:scale(1.09);}
.ncard .ct{flex:1;min-width:0;display:flex;flex-direction:column;}
.ncard .meta{display:flex;gap:16px;font-size:12.5px;color:#9aa8bb;margin-bottom:10px;flex-wrap:wrap;}
.ncard .meta em{font-style:normal;color:var(--red);font-weight:600;}
.ncard h3{font-size:19px;margin-bottom:10px;transition:color .35s;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.ncard:hover h3{color:var(--red);}
.ncard p{font-size:14px;color:var(--body);margin:0 0 14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ncard .rd{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--blue);display:inline-flex;align-items:center;gap:8px;}
.ncard .rd svg{width:12px;height:12px;fill:currentColor;transition:transform .4s var(--ease-out);}
.ncard:hover .rd{color:var(--red);}
.ncard:hover .rd svg{transform:translateX(5px);}

/* 首页竖版新闻卡 */
.ncard-v{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;
  transition:transform .55s var(--ease-out),box-shadow .55s var(--ease-out);display:flex;flex-direction:column;}
.ncard-v:hover{transform:translateY(-10px);box-shadow:var(--sh-3);}
.ncard-v .pic{overflow:hidden;position:relative;}
.ncard-v .pic .viz>svg{transition:transform 1.05s var(--ease-out);}
.ncard-v:hover .pic .viz>svg{transform:scale(1.1);}
.ncard-v .date{position:absolute;z-index:3;left:18px;bottom:-22px;width:64px;padding:8px 0;border-radius:10px;
  background:#fff;text-align:center;box-shadow:var(--sh-2);transition:.5s var(--ease-out);}
.ncard-v .date b{display:block;font:800 22px/1 Arial;color:var(--red);}
.ncard-v .date s{text-decoration:none;font-size:11.5px;color:var(--body);}
.ncard-v:hover .date{background:var(--grad-red);}
.ncard-v:hover .date b,.ncard-v:hover .date s{color:#fff;}
.ncard-v .txt{padding:34px 22px 24px;flex:1;display:flex;flex-direction:column;}
.ncard-v .cat{font-size:12px;color:var(--blue);letter-spacing:1px;font-weight:600;margin-bottom:8px;}
.ncard-v h3{font-size:17px;margin-bottom:10px;line-height:1.55;transition:color .35s;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ncard-v:hover h3{color:var(--red);}
.ncard-v p{font-size:13.5px;margin:0 0 16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ncard-v .rd{margin-top:auto;font-size:13px;font-weight:600;color:var(--blue);display:inline-flex;align-items:center;gap:8px;}
.ncard-v .rd svg{width:12px;height:12px;fill:currentColor;transition:transform .4s var(--ease-out);}
.ncard-v:hover .rd{color:var(--red);} .ncard-v:hover .rd svg{transform:translateX(5px);}

/* ---------- 12. 案例卡（悬浮上滑） ---------- */
.ccard{position:relative;border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-1);background:#0a1f3d;}
.ccard .viz>svg{transition:transform 1.2s var(--ease-out);}
.ccard:hover .viz>svg{transform:scale(1.12);}
.ccard .mask{position:absolute;inset:0;background:linear-gradient(to top,rgba(7,26,52,.92) 0%,rgba(7,26,52,.35) 48%,transparent 78%);
  transition:background .55s var(--ease);}
.ccard:hover .mask{background:linear-gradient(to top,rgba(12,60,120,.94) 0%,rgba(216,30,38,.55) 100%);}
.ccard .ct{position:absolute;left:0;right:0;bottom:0;padding:24px;color:#fff;
  transform:translateY(38px);transition:transform .6s var(--ease-out);}
.ccard:hover .ct{transform:translateY(0);}
.ccard .ct s{text-decoration:none;font-size:12px;letter-spacing:2px;opacity:.75;text-transform:uppercase;}
.ccard .ct h3{color:#fff;font-size:17px;margin:8px 0 0;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ccard .ct p{font-size:13px;color:rgba(255,255,255,.8);margin:12px 0 0;opacity:0;
  transition:opacity .5s var(--ease) .1s;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.ccard:hover .ct p{opacity:1;}

/* ---------- 13. 分类直通车（首页） ---------- */
.qcat{
  position:relative;display:block;padding:32px 26px;border-radius:var(--r-m);background:#fff;
  border:1px solid var(--line);overflow:hidden;isolation:isolate;
  transition:transform .55s var(--ease-out),box-shadow .55s var(--ease-out);
}
.qcat::before{content:"";position:absolute;inset:0;z-index:-1;background:var(--grad-mix);
  transform:translateY(100%);transition:transform .6s var(--ease-out);}
.qcat:hover{transform:translateY(-10px);box-shadow:var(--sh-3);}
.qcat:hover::before{transform:translateY(0);}
.qcat .ic{width:56px;height:56px;border-radius:14px;background:var(--bg-soft);display:grid;place-items:center;
  color:var(--blue);margin-bottom:18px;transition:.5s var(--ease-out);}
.qcat .ic svg{width:26px;height:26px;fill:currentColor;}
.qcat:hover .ic{background:rgba(255,255,255,.16);color:#fff;transform:rotate(-8deg) scale(1.05);}
.qcat h3{font-size:18px;margin-bottom:8px;transition:color .4s;}
.qcat p{font-size:13.5px;margin:0 0 14px;transition:color .4s;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.qcat .n{font-size:12.5px;font-weight:600;color:var(--red);letter-spacing:1px;transition:color .4s;}
.qcat:hover h3,.qcat:hover p,.qcat:hover .n{color:#fff;}
.qcat:hover p{opacity:.85;}

/* ---------- 14. 数据统计 ---------- */
.stats{position:relative;overflow:hidden;background:var(--bg-deep);}
.stats-bg{position:absolute;inset:-12% 0;will-change:transform;}
.stats-bg .l1{position:absolute;inset:0;background:var(--grad-blue);}
.stats-bg .l2{position:absolute;inset:0;
  background:radial-gradient(ellipse 60% 70% at 20% 20%,rgba(216,30,38,.45),transparent 60%);mix-blend-mode:screen;}
.stats-bg .l3{position:absolute;inset:0;opacity:.1;
  background-image:radial-gradient(circle,#fff 1px,transparent 1px);background-size:34px 34px;}
.stats .wrap{position:relative;z-index:3;}
.st-item{text-align:center;color:#fff;padding:18px 8px;position:relative;}
.st-item .ic{width:60px;height:60px;margin:0 auto 16px;border-radius:50%;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  display:grid;place-items:center;transition:.55s var(--ease-out);}
.st-item .ic svg{width:26px;height:26px;fill:#fff;}
.st-item:hover .ic{background:var(--red);border-color:var(--red);transform:translateY(-6px) scale(1.06);}
.st-item .num{font:800 46px/1 Arial;letter-spacing:1px;}
.st-item .num i{font-style:normal;font-size:20px;margin-left:3px;opacity:.8;}
.st-item s{text-decoration:none;display:block;margin-top:10px;font-size:14px;opacity:.75;letter-spacing:1px;}

/* ---------- 15. 优势 / 图文 ---------- */
.feat{display:flex;gap:18px;padding:26px;border-radius:var(--r-m);background:#fff;border:1px solid var(--line);
  transition:transform .5s var(--ease-out),box-shadow .5s var(--ease-out);}
.feat:hover{transform:translateY(-8px);box-shadow:var(--sh-2);}
.feat .ic{flex:none;width:52px;height:52px;border-radius:14px;background:var(--grad-blue);color:#fff;
  display:grid;place-items:center;box-shadow:0 8px 20px rgba(12,60,120,.26);transition:.5s var(--ease-out);}
.feat:hover .ic{background:var(--grad-red);box-shadow:0 8px 20px rgba(216,30,38,.3);transform:rotate(-8deg);}
.feat .ic svg{width:24px;height:24px;fill:currentColor;}
.feat h3{font-size:17px;margin-bottom:8px;}
.feat p{font-size:13.5px;margin:0;}

.media-row{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;}
.media-row.rev{direction:rtl;} .media-row.rev>*{direction:ltr;}
.media-fig{position:relative;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-3);}
.media-fig .viz>svg{transition:transform 1.2s var(--ease-out);}
.media-fig:hover .viz>svg{transform:scale(1.06);}
.media-fig .stamp{position:absolute;right:-1px;bottom:-1px;padding:20px 26px;background:var(--grad-red);color:#fff;
  border-radius:var(--r-l) 0 0 0;}
.media-fig .stamp b{display:block;font:800 34px/1 Arial;}
.media-fig .stamp s{text-decoration:none;font-size:12.5px;opacity:.9;}
.rich h3{font-size:21px;margin:0 0 12px;}
.rich .lead{font-size:16px;color:var(--ink);line-height:1.9;}
.ticks{margin:22px 0 28px;display:grid;gap:12px;}
.ticks li{display:flex;gap:12px;align-items:flex-start;font-size:14.5px;}
.ticks li::before{content:"";flex:none;width:20px;height:20px;margin-top:4px;border-radius:50%;
  background:var(--grad-red) ;
  -webkit-mask:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 100 20 10 10 0 000-20zm-1 14.5l-4-4 1.4-1.4 2.6 2.6 5.6-5.6L18 9.5z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2a10 10 0 100 20 10 10 0 000-20zm-1 14.5l-4-4 1.4-1.4 2.6 2.6 5.6-5.6L18 9.5z'/%3E%3C/svg%3E") center/contain no-repeat;}

/* ---------- 16. 应用行业（横向卡） ---------- */
.ind{position:relative;border-radius:var(--r-m);overflow:hidden;background:#0a1f3d;min-height:230px;display:block;}
.ind .viz{padding-top:0;height:100%;position:absolute;inset:0;}
.ind .viz>svg{transition:transform 1.1s var(--ease-out);}
.ind:hover .viz>svg{transform:scale(1.1);}
.ind .mk{position:absolute;inset:0;background:linear-gradient(140deg,rgba(12,60,120,.85),rgba(7,26,52,.6));
  transition:.55s var(--ease);}
.ind:hover .mk{background:linear-gradient(140deg,rgba(216,30,38,.86),rgba(12,60,120,.72));}
.ind .ct{position:relative;z-index:3;padding:30px;color:#fff;min-height:230px;display:flex;flex-direction:column;justify-content:flex-end;}
.ind .ct .ic{width:46px;height:46px;border-radius:12px;background:rgba(255,255,255,.16);display:grid;place-items:center;
  margin-bottom:auto;transition:.5s var(--ease-out);}
.ind .ct .ic svg{width:22px;height:22px;fill:#fff;}
.ind:hover .ct .ic{transform:rotate(-10deg) scale(1.08);background:rgba(255,255,255,.28);}
.ind h3{color:#fff;font-size:18px;margin-bottom:6px;}
.ind p{font-size:13px;color:rgba(255,255,255,.78);margin:0;}

/* ---------- 17. 视差 CTA ---------- */
.cta{position:relative;overflow:hidden;background:var(--bg-deep);padding:110px 0;}
.cta-bg{position:absolute;inset:-14% 0;will-change:transform;}
.cta-bg .l1{position:absolute;inset:0;background:var(--grad-mix);}
.cta-bg .l2{position:absolute;inset:0;
  background:radial-gradient(ellipse 55% 70% at 82% 70%,rgba(216,30,38,.6),transparent 60%);mix-blend-mode:screen;}
.cta-bg .l3{position:absolute;inset:0;opacity:.12;
  background-image:linear-gradient(115deg,transparent 0 46%,#fff 46% 54%,transparent 54%);background-size:52px 52px;}
.cta .wrap{position:relative;z-index:3;text-align:center;}
.cta h2{color:#fff;font-size:clamp(24px,3.4vw,40px);letter-spacing:2px;margin-bottom:14px;}
.cta p{color:rgba(255,255,255,.78);max-width:40em;margin:0 auto 34px;font-size:15.5px;}
.cta .acts{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;}
.cta .tel{display:inline-flex;align-items:center;gap:12px;color:#fff;font:800 30px/1 Arial;letter-spacing:1px;}
.cta .tel span{font:400 13px/1.4 inherit;opacity:.7;text-align:left;}

/* ---------- 18. 侧栏 ---------- */
.layout{display:grid;grid-template-columns:1fr 300px;gap:46px;align-items:flex-start;}
.side{position:sticky;top:calc(var(--hh) + 20px);display:grid;gap:24px;}
.swidget{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;}
.swidget>h4{padding:18px 22px;font-size:16.5px;color:#fff;background:var(--grad-blue);
  display:flex;align-items:center;gap:10px;}
.swidget>h4 svg{width:17px;height:17px;fill:currentColor;}
.swidget .bd{padding:14px 20px 20px;}
.slist li{border-bottom:1px dashed var(--line);}
.slist li:last-child{border:0;}
.slist a{display:flex;align-items:center;gap:10px;padding:12px 2px;font-size:14px;color:var(--ink);}
.slist a::before{content:"";flex:none;width:6px;height:6px;border-radius:50%;background:#c6d1e0;transition:.35s;}
.slist a:hover{color:var(--red);transform:translateX(4px);}
.slist a:hover::before{background:var(--red);}
.slist a.on{color:var(--red);font-weight:600;} .slist a.on::before{background:var(--red);}
.shot li{display:flex;gap:12px;padding:13px 0;border-bottom:1px dashed var(--line);}
.shot li:last-child{border:0;}
.shot .no{flex:none;width:24px;height:24px;border-radius:6px;background:var(--bg-soft);color:var(--blue);
  display:grid;place-items:center;font:700 12px/1 Arial;transition:.4s;}
.shot li:nth-child(1) .no{background:var(--red);color:#fff;}
.shot li:nth-child(2) .no{background:#f08a2e;color:#fff;}
.shot li:nth-child(3) .no{background:var(--blue);color:#fff;}
.shot a{font-size:13.8px;line-height:1.65;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.shot a:hover{color:var(--red);}
.scta{border-radius:var(--r-m);padding:28px 24px;background:var(--grad-mix);color:#fff;text-align:center;position:relative;overflow:hidden;}
.scta::after{content:"";position:absolute;right:-40px;top:-40px;width:130px;height:130px;border-radius:50%;background:rgba(255,255,255,.1);}
.scta b{display:block;font-size:17px;margin-bottom:8px;}
.scta p{font-size:13px;opacity:.8;margin:0 0 16px;}
.scta .t{font:800 25px/1 Arial;letter-spacing:.5px;margin-bottom:16px;}
.tagcloud{display:flex;flex-wrap:wrap;gap:8px;}
.tagcloud a{padding:6px 14px;border-radius:20px;background:var(--bg-soft);font-size:13px;color:var(--body);
  transition:.4s var(--ease-out);}
.tagcloud a:hover{background:var(--grad-red);color:#fff;transform:translateY(-3px);box-shadow:0 6px 14px rgba(216,30,38,.26);}

/* ---------- 19. 文章正文 ---------- */
.article{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:44px 46px;}
.article .hd-t{border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:30px;}
.article h1{font-size:clamp(22px,2.6vw,31px);line-height:1.45;margin-bottom:16px;}
.article .meta{display:flex;flex-wrap:wrap;gap:20px;font-size:13px;color:#93a1b5;}
.article .meta span{display:inline-flex;align-items:center;gap:6px;}
.article .meta svg{width:14px;height:14px;fill:currentColor;opacity:.6;}
.article .body{font-size:15.5px;line-height:2.05;color:#4a5a70;}
.article .body h2{font-size:21px;margin:38px 0 16px;padding-left:14px;border-left:4px solid var(--red);}
.article .body h3{font-size:17.5px;margin:28px 0 12px;color:var(--blue);}
.article .body p{margin:0 0 18px;}
.article .body img,.article .body .viz{border-radius:var(--r-m);margin:26px 0;}
.article .body figure{margin:26px 0;}
.article .body figcaption{text-align:center;font-size:13px;color:#93a1b5;margin-top:10px;}
.article .body blockquote{margin:26px 0;padding:20px 24px;background:var(--bg-soft);border-left:4px solid var(--blue);
  border-radius:0 var(--r-s) var(--r-s) 0;font-size:15px;color:var(--ink);}
.article .body ul{margin:0 0 18px;padding-left:0;display:grid;gap:10px;}
.article .body ul li{position:relative;padding-left:22px;}
.article .body ul li::before{content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--red);}
.article .body ol{margin:0 0 18px;padding-left:22px;list-style:decimal;display:grid;gap:10px;}
.article .body ol li::marker{color:var(--red);font-weight:700;}
.article .body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px;}
.article .body th{background:var(--grad-blue);color:#fff;padding:13px 16px;text-align:left;font-weight:600;}
.article .body td{padding:12px 16px;border-bottom:1px solid var(--line);}
.article .body tr:nth-child(even) td{background:#fafbfd;}

.pager{display:flex;justify-content:space-between;gap:20px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line);flex-wrap:wrap;}
.pager a{max-width:46%;font-size:14px;color:var(--body);display:flex;align-items:center;gap:10px;}
.pager a span{display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.pager a:hover{color:var(--red);}
.pager svg{width:13px;height:13px;fill:currentColor;flex:none;transition:transform .4s var(--ease-out);}
.pager a.prev:hover svg{transform:translateX(-4px);}
.pager a.next:hover svg{transform:translateX(4px);}
.share{display:flex;align-items:center;gap:12px;margin-top:24px;font-size:13.5px;}
.share b{color:var(--ink);}
.share a{width:34px;height:34px;border-radius:50%;background:var(--bg-soft);display:grid;place-items:center;color:var(--body);
  transition:.42s var(--ease-out);}
.share a svg{width:15px;height:15px;fill:currentColor;}
.share a:hover{background:var(--grad-red);color:#fff;transform:translateY(-4px);}

/* ---------- 20. 产品详情 ---------- */
.pdetail{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:flex-start;}
.gal .main{border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-2);background:#eaf0f8;position:relative;}
.gal .main .viz>svg{transition:transform .9s var(--ease-out);}
.gal .main:hover .viz>svg{transform:scale(1.07);}
.gal .thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:14px;}
.gal .thumbs button{padding:0;border:2px solid transparent;border-radius:var(--r-s);overflow:hidden;cursor:pointer;
  background:none;transition:.4s var(--ease-out);}
.gal .thumbs button:hover{transform:translateY(-4px);}
.gal .thumbs button.on{border-color:var(--red);box-shadow:0 8px 18px rgba(216,30,38,.24);}
.pinfo .cat{display:inline-block;padding:5px 15px;border-radius:20px;background:rgba(216,30,38,.09);color:var(--red);
  font-size:12.5px;font-weight:600;letter-spacing:1px;margin-bottom:14px;}
.pinfo h1{font-size:clamp(23px,2.8vw,34px);line-height:1.4;margin-bottom:14px;}
.pinfo .lead{font-size:15px;line-height:1.95;margin-bottom:22px;}
.specs{border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;margin-bottom:24px;}
.specs .row{display:grid;grid-template-columns:118px 1fr;font-size:14px;border-bottom:1px solid var(--line);}
.specs .row:last-child{border:0;}
.specs .k{padding:13px 18px;background:var(--bg-soft);color:var(--ink);font-weight:600;}
.specs .v{padding:13px 18px;}
.chips{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:26px;}
.chips span{padding:6px 15px;border-radius:20px;font-size:13px;background:var(--bg-soft);color:var(--blue);
  border:1px solid var(--line);transition:.4s var(--ease-out);}
.chips span:hover{background:var(--grad-blue);color:#fff;transform:translateY(-3px);}
.pacts{display:flex;gap:14px;flex-wrap:wrap;}

.tabs-h{display:flex;gap:6px;border-bottom:2px solid var(--line);margin-bottom:30px;overflow-x:auto;}
.tabs-h button{position:relative;padding:14px 26px;border:0;background:none;cursor:pointer;white-space:nowrap;
  font-size:15.5px;font-weight:600;color:var(--body);transition:color .35s;}
.tabs-h button::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;background:var(--grad-red);
  transform:scaleX(0);transition:transform .45s var(--ease-out);}
.tabs-h button:hover{color:var(--ink);}
.tabs-h button.on{color:var(--red);}
.tabs-h button.on::after{transform:scaleX(1);}
.tab-p{display:none;animation:fadeUp .55s var(--ease-out);}
.tab-p.on{display:block;}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}

/* 工艺步骤 */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:s;}
.step{position:relative;padding:28px 20px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  transition:transform .5s var(--ease-out),box-shadow .5s var(--ease-out);}
.step:hover{transform:translateY(-8px);box-shadow:var(--sh-2);}
.step .n{position:absolute;right:16px;top:12px;font:800 40px/1 Arial;color:rgba(12,60,120,.08);}
.step:hover .n{color:rgba(216,30,38,.14);}
.step .ic{width:44px;height:44px;border-radius:12px;background:var(--grad-blue);color:#fff;display:grid;place-items:center;margin-bottom:14px;transition:.5s var(--ease-out);}
.step:hover .ic{background:var(--grad-red);transform:rotate(-8deg);}
.step .ic svg{width:20px;height:20px;fill:currentColor;}
.step h4{font-size:15.5px;margin-bottom:8px;}
.step p{font-size:13px;margin:0;}

/* ---------- 21. 关于我们 ---------- */
.timeline{position:relative;padding-left:38px;}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--red),var(--blue));}
.tl-item{position:relative;padding:0 0 34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{content:"";position:absolute;left:-34px;top:6px;width:20px;height:20px;border-radius:50%;
  background:#fff;border:3px solid var(--red);box-shadow:0 0 0 4px rgba(216,30,38,.12);transition:.45s var(--ease-out);}
.tl-item:hover::before{transform:scale(1.2);box-shadow:0 0 0 8px rgba(216,30,38,.14);}
.tl-item b{display:block;font:800 21px/1 Arial;color:var(--blue);margin-bottom:8px;}
.tl-item h4{font-size:16px;margin-bottom:6px;}
.tl-item p{font-size:13.8px;margin:0;}

.honor{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;
  transition:transform .5s var(--ease-out),box-shadow .5s var(--ease-out);}
.honor:hover{transform:translateY(-8px);box-shadow:var(--sh-2);}
.honor .viz>svg{transition:transform 1s var(--ease-out);}
.honor:hover .viz>svg{transform:scale(1.06);}
.honor .cap{padding:16px 18px;text-align:center;font-size:14px;color:var(--ink);font-weight:600;}

.brands{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.brand{aspect-ratio:16/9;display:grid;place-items:center;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-s);font-size:14px;color:var(--body);font-weight:600;letter-spacing:.5px;text-align:center;padding:8px;
  transition:.5s var(--ease-out);}
.brand:hover{color:var(--red);border-color:rgba(216,30,38,.4);transform:translateY(-6px);box-shadow:var(--sh-2);}

/* ---------- 22. 联系 / 表单 ---------- */
.form{display:grid;gap:16px;grid-template-columns:repeat(2,1fr);}
.form .full{grid-column:1/-1;}
.fld{position:relative;}
.fld input,.fld textarea{
  width:100%;padding:15px 18px;border:1px solid var(--line);border-radius:var(--r-s);background:#fff;
  color:var(--ink);outline:none;transition:.4s var(--ease);
}
.fld textarea{min-height:130px;resize:vertical;}
.fld input:focus,.fld textarea:focus{border-color:var(--red);box-shadow:0 0 0 4px rgba(216,30,38,.1);}
.fld input::placeholder,.fld textarea::placeholder{color:#a9b6c8;}
.ctlist{display:grid;gap:16px;}
.ctitem{display:flex;gap:16px;padding:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  transition:transform .5s var(--ease-out),box-shadow .5s var(--ease-out);}
.ctitem:hover{transform:translateX(6px);box-shadow:var(--sh-2);}
.ctitem .ic{flex:none;width:46px;height:46px;border-radius:12px;background:var(--grad-blue);color:#fff;display:grid;place-items:center;transition:.5s var(--ease-out);}
.ctitem:hover .ic{background:var(--grad-red);}
.ctitem .ic svg{width:20px;height:20px;fill:currentColor;}
.ctitem s{text-decoration:none;font-size:12.5px;color:var(--body);letter-spacing:1px;}
.ctitem b{display:block;font-size:16px;color:var(--ink);margin-top:2px;line-height:1.6;}

/* ---------- 23. 分页 ---------- */
.pages{display:flex;justify-content:center;gap:8px;margin-top:44px;flex-wrap:wrap;}
.pages a,.pages span{min-width:42px;height:42px;padding:0 14px;border-radius:var(--r-s);display:grid;place-items:center;
  background:#fff;border:1px solid var(--line);font-size:14px;color:var(--body);transition:.4s var(--ease-out);}
.pages a:hover{border-color:var(--red);color:var(--red);transform:translateY(-3px);box-shadow:0 8px 18px rgba(216,30,38,.16);}
.pages .on{background:var(--grad-red);border-color:transparent;color:#fff;box-shadow:0 8px 18px rgba(216,30,38,.28);}
.pages .dots{border:0;background:none;}

/* ---------- 24. 页脚 ---------- */
.ft{background:var(--bg-deep);color:rgba(255,255,255,.62);position:relative;overflow:hidden;}
.ft::before{content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse 50% 60% at 88% 0%,rgba(216,30,38,.28),transparent 60%),
             radial-gradient(ellipse 50% 60% at 6% 100%,rgba(26,99,196,.3),transparent 60%);}
.ft .wrap{position:relative;z-index:2;}
.ft-top{display:grid;grid-template-columns:1.35fr repeat(3,1fr) 1.1fr;gap:38px;padding:66px 0 46px;}
.ft h5{color:#fff;font-size:16px;margin-bottom:20px;position:relative;padding-bottom:12px;}
.ft h5::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--red);
  transition:width .5s var(--ease-out);}
.ft .col:hover h5::after{width:52px;}
.ft .col a{display:block;padding:6px 0;font-size:13.8px;}
.ft .col a:hover{color:#fff;transform:translateX(5px);}
.ft-brand .logo{margin-bottom:18px;}
.ft-brand .logo .tx b{color:#fff;} .ft-brand .logo .tx s{color:rgba(255,255,255,.5);}
.ft-brand p{font-size:13.5px;line-height:1.95;margin-bottom:18px;}
.ft-tel s{text-decoration:none;font-size:12.5px;letter-spacing:1px;}
.ft-tel b{display:block;color:#fff;font:800 27px/1.3 Arial;letter-spacing:.5px;}
.qr{width:112px;}
.qr .box{width:112px;height:112px;border-radius:10px;background:#fff;padding:8px;}
.qr .box svg{width:100%;height:100%;}
.qr s{text-decoration:none;display:block;text-align:center;font-size:12px;margin-top:8px;}
.ft-links{padding:20px 0;border-top:1px solid rgba(255,255,255,.09);display:flex;gap:12px;flex-wrap:wrap;font-size:12.5px;align-items:center;}
.ft-links b{color:rgba(255,255,255,.8);}
.ft-links a:hover{color:var(--red-l);}
.ft-btm{padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.09);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.8px;}
.ft-btm a:hover{color:#fff;}

/* ---------- 25. 悬浮工具 ---------- */
.fab{position:fixed;right:18px;bottom:26px;z-index:800;display:grid;gap:8px;}
.fab button,.fab a{
  width:48px;height:48px;border-radius:14px;border:1px solid var(--line);background:#fff;cursor:pointer;
  display:grid;place-items:center;color:var(--blue);box-shadow:var(--sh-2);position:relative;
  transition:.42s var(--ease-out);
}
.fab svg{width:20px;height:20px;fill:currentColor;}
.fab button:hover,.fab a:hover{background:var(--grad-red);color:#fff;border-color:transparent;transform:translateY(-4px);}
.fab .lbl{
  position:absolute;right:60px;top:50%;transform:translate(10px,-50%);white-space:nowrap;
  background:var(--ink);color:#fff;font-size:12.5px;padding:7px 13px;border-radius:8px;
  opacity:0;pointer-events:none;transition:.4s var(--ease-out);
}
.fab .lbl::after{content:"";position:absolute;right:-4px;top:50%;width:8px;height:8px;background:var(--ink);
  transform:translateY(-50%) rotate(45deg);}
.fab button:hover .lbl,.fab a:hover .lbl{opacity:1;transform:translate(0,-50%);}
#toTop{opacity:0;visibility:hidden;transform:translateY(14px);}
#toTop.show{opacity:1;visibility:visible;transform:none;}

/* 移动底部条 */
.mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:820;background:#fff;
  box-shadow:0 -6px 20px rgba(12,60,120,.12);border-top:1px solid var(--line);}
.mbar a{flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;padding:9px 0 8px;font-size:11.5px;color:var(--body);}
.mbar a svg{width:19px;height:19px;fill:currentColor;}
.mbar a.hot{background:var(--grad-red);color:#fff;}

/* ---------- 26. 滚动入场 ---------- */
[data-rv]{opacity:0;transform:translateY(36px);
  transition:opacity .85s var(--ease-out),transform .85s var(--ease-out);}
[data-rv="left"]{transform:translateX(-42px);}
[data-rv="right"]{transform:translateX(42px);}
[data-rv="zoom"]{transform:scale(.93);}
[data-rv].in{opacity:1;transform:none;}

/* ---------- 27. 响应式 ---------- */
@media (max-width:1200px){
  .nav>li>a{padding:0 14px;font-size:15px;}
  .ft-top{grid-template-columns:1.3fr 1fr 1fr 1fr;}
  .qr{display:none;}
  .steps{grid-template-columns:repeat(3,1fr);}
  .brands{grid-template-columns:repeat(4,1fr);}
}
@media (max-width:1024px){
  :root{--hh:70px;}
  .topbar{display:none;}
  .nav,.hd-tel{display:none;}
  .burger{display:block;}
  .sec{padding:70px 0;}
  .sec-head .en{font-size:44px;margin-bottom:-22px;}
  .sec-head h2{font-size:30px;}
  .layout{grid-template-columns:1fr;gap:36px;}
  .side{position:static;grid-template-columns:repeat(2,1fr);}
  .pdetail{grid-template-columns:1fr;gap:34px;}
  .media-row{grid-template-columns:1fr;gap:32px;}
  .media-row.rev{direction:ltr;}
  .g4{grid-template-columns:repeat(2,1fr);}
  .article{padding:32px 26px;}
  .hero{height:auto;padding:80px 0 150px;min-height:0;}
  .hero .wrap{padding-top:20px;}
  .scroll-cue{display:none;}
}
@media (max-width:768px){
  .wrap{padding:0 18px;}
  .sec{padding:54px 0;}
  .sec-head{margin-bottom:34px;}
  .sec-head .en{font-size:34px;margin-bottom:-16px;}
  .sec-head h2{font-size:25px;padding-bottom:16px;}
  .sec-head .more{position:static;display:inline-flex;margin-top:16px;}
  .g2,.g3,.g4{grid-template-columns:1fr;}
  .grid{gap:18px;}
  .hero-facts .wrap{grid-template-columns:repeat(2,1fr);gap:18px 0;}
  .hero-facts .f:nth-child(odd)::before{display:none;}
  .hero-facts b{font-size:24px;}
  .hero{padding:56px 0 30px;}
  .hero-facts{position:static;background:var(--blue-d);}
  .pb{height:280px;}
  .crumb .wrap{height:auto;padding-top:12px;padding-bottom:12px;}
  .crumb .tabs{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px;}
  .ncard{flex-direction:column;gap:16px;padding:16px;}
  .ncard .pic{width:100%;}
  .side{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .brands{grid-template-columns:repeat(2,1fr);}
  .form{grid-template-columns:1fr;}
  .ft-top{grid-template-columns:1fr;gap:26px;padding:44px 0 28px;}
  .ft-btm{flex-direction:column;gap:6px;}
  .cta{padding:64px 0;}
  .article{padding:24px 18px;}
  .article .body{font-size:15px;line-height:1.95;}
  .fab{bottom:74px;right:12px;}
  .fab a:not(.keep),.fab button:not(.keep){display:none;}
  .mbar{display:flex;}
  body{padding-bottom:0;}
  .gal .thumbs{grid-template-columns:repeat(4,1fr);gap:8px;}
  .pager a{max-width:100%;}
  .tabs-h button{padding:12px 16px;font-size:14.5px;}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  [data-rv]{opacity:1 !important;transform:none !important;}
}

/* ==========================================================================
   动态站补充样式：PDF 下载区、链接区、表单提示、真实图片适配
   ========================================================================== */

/* ---------- 真实图片适配（后台上传的封面/图集） ---------- */
.viz img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform 1.05s var(--ease-out);}
.pcard:hover .pic .viz img,
.ncard:hover .pic .viz img,
.ncard-v:hover .pic .viz img,
.ccard:hover .viz img,
.media-fig:hover .viz img,
.honor:hover .viz img,
.ind:hover .viz img{transform:scale(1.1);}
.gal .main .viz img{transition:transform .9s var(--ease-out);}
.gal .main:hover .viz img{transform:scale(1.07);}

/* ---------- PDF / 资料下载区 ---------- */
.filebox,.linkbox{
  margin-top:26px;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  overflow:hidden;
}
.filebox>h4,.linkbox>h4{
  display:flex;align-items:center;gap:10px;margin:0;padding:15px 20px;
  font-size:15.5px;color:#fff;background:var(--grad-blue);
}
.filebox>h4 svg,.linkbox>h4 svg{width:17px;height:17px;fill:currentColor;}
.linkbox>h4{background:var(--grad-mix);}

.filebox ul{padding:8px 10px 12px;}
.filebox li+li{border-top:1px dashed var(--line);}
.filebox a{
  display:flex;align-items:center;gap:14px;padding:13px 10px;
  transition:.4s var(--ease-out);border-radius:var(--r-s);
}
.filebox a:hover{background:var(--bg-soft);transform:translateX(4px);}
.filebox .ic{
  flex:none;width:40px;height:44px;border-radius:6px;display:grid;place-items:center;
  background:var(--grad-red);color:#fff;font:700 11px/1 Arial;letter-spacing:.5px;
  position:relative;box-shadow:0 6px 14px rgba(216,30,38,.24);
}
.filebox .ic::after{content:"";position:absolute;right:0;top:0;border-width:0 9px 9px 0;
  border-style:solid;border-color:transparent #fff transparent transparent;}
.filebox .nm{flex:1;min-width:0;font-size:14.5px;color:var(--ink);font-weight:600;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.filebox a:hover .nm{color:var(--red);}
.filebox .sz{flex:none;font-size:12.5px;color:#9aa8bb;}
.filebox .dl{
  flex:none;display:inline-flex;align-items:center;gap:5px;padding:6px 14px;border-radius:20px;
  background:var(--bg-soft);color:var(--blue);font-size:13px;font-weight:600;transition:.4s var(--ease-out);
}
.filebox .dl svg{width:13px;height:13px;fill:currentColor;}
.filebox a:hover .dl{background:var(--grad-red);color:#fff;}

/* ---------- 自定义链接区 ---------- */
.linklist{padding:14px 16px 18px;display:grid;gap:10px;}
.linklist a{
  display:flex;align-items:center;gap:12px;padding:13px 16px;border-radius:var(--r-s);
  background:var(--bg-soft);border:1px solid transparent;transition:.42s var(--ease-out);
}
.linklist a:hover{background:#fff;border-color:rgba(216,30,38,.3);transform:translateY(-3px);box-shadow:var(--sh-2);}
.linklist b{font-size:14.5px;color:var(--ink);font-weight:600;}
.linklist s{text-decoration:none;flex:1;font-size:13px;color:var(--body);}
.linklist svg{flex:none;width:14px;height:14px;fill:var(--blue);transition:transform .4s var(--ease-out);}
.linklist a:hover svg{fill:var(--red);transform:translateX(4px);}

/* 侧栏里的窄版 */
.side .filebox,.side .linkbox{margin-top:0;}

/* ---------- 表单提示 ---------- */
.msg-ok,.msg-err{padding:13px 18px;border-radius:var(--r-s);font-size:14px;margin-bottom:4px;}
.msg-ok{background:#e8f7ef;color:#12915a;border:1px solid #bfe6d1;}
.msg-err{background:#fdeaea;color:#a8141b;border:1px solid #f6c7c9;}

/* ---------- 富文本正文里的 PDF 链接自动加图标 ---------- */
.article .body a[href$=".pdf"],
.article .body a[href*="download.php"]{
  display:inline-flex;align-items:center;gap:7px;color:var(--red);font-weight:600;
}
.article .body a[href$=".pdf"]::before,
.article .body a[href*="download.php"]::before{
  content:"PDF";flex:none;font-size:10px;font-weight:700;line-height:1;
  padding:3px 5px;border-radius:3px;background:var(--red);color:#fff;
}

/* ---------- 空状态 ---------- */
.empty{text-align:center;padding:70px 20px;color:#9aa8bb;}
.empty svg{width:52px;height:52px;fill:#d6dee9;margin-bottom:14px;}

@media (max-width:768px){
  .filebox a{flex-wrap:wrap;gap:10px;}
  .filebox .nm{flex:1 1 100%;white-space:normal;}
  .linklist a{flex-wrap:wrap;}
}

/* ==========================================================================
   后台上传的真实背景大图（首页整屏 + 内页顶部）
   原则：照片是主角。有照片时关掉网格与光球，遮罩只压文字所在的一侧，
   右半边保持照片本来的清晰度和色彩。
   ========================================================================== */
.hero-bg .photo,
.pb-bg .photo{
  position:absolute;inset:0;
  background-size:cover;background-position:center center;background-repeat:no-repeat;
}

/* 有照片时：关掉会让画面发糊的装饰层 */
.hero-bg.has-photo .l3,
.pb-bg.has-photo .l3{display:none;}
.hero-bg.has-photo .orb{display:none;}

/* 品牌色只做轻微润色，不再整片压色 */
.hero-bg.has-photo .l1{opacity:.20;}
.hero-bg.has-photo .l2{opacity:.22;}
.pb-bg.has-photo .l1{opacity:.18;}
.pb-bg.has-photo .l2{opacity:.20;}

/* 文字侧的渐变压暗：左边深、右边完全透明，照片右半边保持原样 */
.hero-bg.has-photo .l4{
  background:
    linear-gradient(90deg,rgba(6,20,40,.80) 0%,rgba(6,20,40,.55) 30%,rgba(6,20,40,.12) 58%,rgba(6,20,40,0) 78%),
    linear-gradient(to top,rgba(6,20,40,.55) 0%,rgba(6,20,40,.06) 34%,transparent 60%);
}
.pb-bg.has-photo .l4{
  background:linear-gradient(90deg,rgba(6,20,40,.78) 0%,rgba(6,20,40,.42) 42%,rgba(6,20,40,.05) 80%);
}

/* 遮罩浓度档位，后台「首页内容 → 遮罩浓度」可切换 */

/* 无 —— 品牌色 0%，照片保持原色，只保留文字一侧极轻的压暗保证白字可读 */
.has-photo.mask-none .l1{opacity:0;}
.has-photo.mask-none .l2{opacity:0;}
.hero-bg.has-photo.mask-none .l4{
  background:
    linear-gradient(90deg,rgba(6,20,40,.5) 0%,rgba(6,20,40,.22) 26%,rgba(6,20,40,0) 55%),
    linear-gradient(to top,rgba(6,20,40,.28) 0%,transparent 38%);
}
.pb-bg.has-photo.mask-none .l4{
  background:linear-gradient(90deg,rgba(6,20,40,.48) 0%,rgba(6,20,40,.18) 42%,rgba(6,20,40,0) 76%);
}
/* 无遮罩时文字投影加重，替代压暗来保证可读性 */
.hero-photo.mask-none h1,
.pb-photo.mask-none h1{text-shadow:0 4px 24px rgba(0,0,0,.85),0 2px 6px rgba(0,0,0,.7);}
.hero-photo.mask-none .sub,
.pb-photo.mask-none p,
.pb-photo.mask-none .en{text-shadow:0 2px 14px rgba(0,0,0,.85),0 1px 4px rgba(0,0,0,.6);}
.hero-photo.mask-none .hero-tag{background:rgba(6,20,40,.55);}
.hero-photo.mask-none .hero-facts{background:rgba(6,20,40,.62);}


.has-photo.mask-light .l1{opacity:.10;}
.has-photo.mask-light .l2{opacity:.10;}
.hero-bg.has-photo.mask-light .l4{
  background:
    linear-gradient(90deg,rgba(6,20,40,.62) 0%,rgba(6,20,40,.34) 30%,rgba(6,20,40,0) 62%),
    linear-gradient(to top,rgba(6,20,40,.38) 0%,transparent 46%);
}
.pb-bg.has-photo.mask-light .l4{
  background:linear-gradient(90deg,rgba(6,20,40,.6) 0%,rgba(6,20,40,.26) 46%,rgba(6,20,40,0) 82%);
}

.has-photo.mask-dark .l1{opacity:.34;}
.has-photo.mask-dark .l2{opacity:.32;}
.hero-bg.has-photo.mask-dark .l4{
  background:
    linear-gradient(90deg,rgba(6,20,40,.90) 0%,rgba(6,20,40,.72) 34%,rgba(6,20,40,.34) 66%,rgba(6,20,40,.2) 100%),
    linear-gradient(to top,rgba(6,20,40,.7) 0%,rgba(6,20,40,.15) 40%,transparent 66%);
}
.pb-bg.has-photo.mask-dark .l4{
  background:linear-gradient(90deg,rgba(6,20,40,.9) 0%,rgba(6,20,40,.62) 45%,rgba(6,20,40,.35) 100%);
}

/* 遮罩调淡后，靠文字自身的投影保证可读性
   （用 PHP 输出的类名，不用 :has()，老浏览器也生效） */
.hero-photo h1{text-shadow:0 4px 20px rgba(0,0,0,.6),0 1px 3px rgba(0,0,0,.45);}
.hero-photo .sub{text-shadow:0 2px 12px rgba(0,0,0,.65);}
.hero-photo .hero-tag{background:rgba(6,20,40,.42);border-color:rgba(255,255,255,.34);}
.hero-photo .hero-facts{background:rgba(6,20,40,.55);backdrop-filter:blur(10px);}
.hero-photo .hero-facts b,.hero-photo .hero-facts s{text-shadow:0 2px 8px rgba(0,0,0,.5);}
.pb-photo h1{text-shadow:0 4px 20px rgba(0,0,0,.6),0 1px 3px rgba(0,0,0,.45);}
.pb-photo .en{text-shadow:0 2px 10px rgba(0,0,0,.55);}
.pb-photo p{text-shadow:0 2px 12px rgba(0,0,0,.65);}

/* 手机上裁切点偏上，避免主体被切掉；文字压暗改为自上而下 */
@media (max-width:768px){
  .hero-bg .photo,.pb-bg .photo{background-position:center 32%;}
  .hero-bg.has-photo .l4{background:linear-gradient(to bottom,rgba(6,20,40,.55),rgba(6,20,40,.78));}
  .pb-bg.has-photo .l4{background:linear-gradient(to bottom,rgba(6,20,40,.5),rgba(6,20,40,.72));}
}

/* ==========================================================================
   背景大图「完整显示」模式
   区块高度跟着图片比例走，整张图一点都不裁；文字浮在图上
   ========================================================================== */
.pb.pb-full,
.hero.hero-full{
  height:auto;min-height:0;display:block;position:relative;overflow:hidden;
}
.pb.pb-full .pb-bg,
.hero.hero-full .hero-bg{
  position:relative;inset:auto;transform:none !important;line-height:0;
}
.photo-full{display:block;width:100%;height:auto;}

/* 遮罩层仍然铺满整张图 */
.pb.pb-full .pb-bg .l1,.pb.pb-full .pb-bg .l2,.pb.pb-full .pb-bg .l3,.pb.pb-full .pb-bg .l4,
.hero.hero-full .hero-bg .l1,.hero.hero-full .hero-bg .l2,
.hero.hero-full .hero-bg .l3,.hero.hero-full .hero-bg .l4{
  position:absolute;inset:0;
}

/* 文字压在图上、垂直居中 */
.pb.pb-full > .wrap,
.hero.hero-full > .wrap{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  z-index:5;height:auto;line-height:1.7;
}
.hero.hero-full > .wrap{display:block;}
.hero.hero-full .scroll-cue{bottom:24px;}
.hero.hero-full .hero-facts{position:relative;}

/* 图太窄时给个最小高度，避免文字挤成一团 */
.pb.pb-full{min-height:240px;}
.hero.hero-full{min-height:340px;}

@media (max-width:768px){
  /* 手机上完整显示会很扁，文字放到图下方，避免叠在一起看不清 */
  .pb.pb-full > .wrap,
  .hero.hero-full > .wrap{
    position:static;transform:none;padding-top:26px;padding-bottom:26px;
    background:var(--bg-deep);
  }
  .pb.pb-full,.hero.hero-full{min-height:0;}
  .hero.hero-full .scroll-cue{display:none;}
}

/* 产品详情：单张大图，不再有缩略图 */
.gal .main{border-radius:var(--r-m);overflow:hidden;box-shadow:var(--sh-2);background:#eaf0f8;}
.gal .thumbs{display:none;}
.viz>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;}

/* 图片取不到时的明确提示：一片空白很难判断问题，红框加文字一眼可见 */
.viz.img-broken{background:#fdeaea;}
.viz.img-broken img{display:none;}
.viz.img-broken::after{
  content:"图片加载失败：文件不存在或服务器拒绝访问";
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  padding:16px;text-align:center;font-size:13px;line-height:1.7;color:#c0392b;
  border:2px dashed #e8a0a4;border-radius:inherit;
}

/* ==========================================================================
   没有上传图片时的中性占位框（替代原来代码生成的地坪示意图）
   ========================================================================== */
.viz.noimg{
  background:
    repeating-linear-gradient(45deg,#eef2f7 0 12px,#e7ecf3 12px 24px);
}
.viz.noimg::after{
  content:"";position:absolute;left:50%;top:50%;width:46px;height:38px;
  transform:translate(-50%,-50%);opacity:.4;
  background:#a9b6c8;
  -webkit-mask:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M21 19V5a2 2 0 00-2-2H5a2 2 0 00-2 2v14a2 2 0 002 2h14a2 2 0 002-2zM8.5 13.5l2.5 3 3.5-4.5 4.5 6H5l3.5-4.5z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M21 19V5a2 2 0 00-2-2H5a2 2 0 00-2 2v14a2 2 0 002 2h14a2 2 0 002-2zM8.5 13.5l2.5 3 3.5-4.5 4.5 6H5l3.5-4.5z'/%3E%3C/svg%3E") center/contain no-repeat;
}
/* 占位框不需要 hover 缩放，也不该盖上产品卡的渐变遮罩以外的东西 */
.pcard:hover .pic .viz.noimg::after{opacity:.55;}
/* 深底卡片（案例、行业）上的占位改深色，避免刺眼 */
.ccard .viz.noimg,.ind .viz.noimg{background:repeating-linear-gradient(45deg,#152a48 0 12px,#12233d 12px 24px);}
.ccard .viz.noimg::after,.ind .viz.noimg::after{background:#4a5f7d;}

/* ==========================================================================
   兜底：有照片时的压暗层默认值
   现在 PHP 在有照片时只输出 .l4，下面这条保证它无论有没有 mask-* 类
   都只是「左侧渐变压暗」，绝不会变成不透明色块盖住照片。
   ========================================================================== */
.hero-bg.has-photo .l4{
  background:
    linear-gradient(90deg,rgba(6,20,40,.62) 0%,rgba(6,20,40,.3) 30%,rgba(6,20,40,0) 62%),
    linear-gradient(to top,rgba(6,20,40,.4) 0%,transparent 46%);
}
.pb-bg.has-photo .l4{
  background:linear-gradient(90deg,rgba(6,20,40,.6) 0%,rgba(6,20,40,.26) 46%,rgba(6,20,40,0) 82%);
}
/* 照片层永远在最底，压暗层在它之上、文字之下 —— 顺序固定，不靠 z-index 争夺 */
.hero-bg .photo,.pb-bg .photo,.photo-full{z-index:0;}
.hero-bg .l4,.pb-bg .l4{z-index:1;}
.hero .wrap,.pb .wrap,.hero-facts{z-index:5;}


/* ===== 资料下载中心 ===== */
.dlsearch{display:flex;gap:10px;margin-bottom:22px;flex-wrap:wrap;}
.dlsearch input{
  flex:1;min-width:200px;height:48px;padding:0 18px;font-size:15px;color:var(--ink);
  border:1px solid var(--line);border-radius:10px;background:#fff;transition:.25s;}
.dlsearch input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 3px rgba(12,60,120,.1);}
.dlsearch .btn,.dlsearch .btn2{height:48px;}
.dlbox>h4{display:flex;align-items:center;gap:8px;}
.dlbox>h4 .cnt{margin-left:auto;font-size:12.5px;font-weight:500;opacity:.75;}
.dlbox ul{padding:10px 12px 16px;}
.dlbox li+li{border-top:1px dashed var(--line);}
.dlbox a{padding:15px 12px;}
.dlbox .nm{font-size:15px;}
.dltip{
  margin-top:26px;padding:24px 26px;border-radius:12px;
  background:linear-gradient(135deg,#f6f8fc,#eef2f8);border:1px solid var(--line);}
.dltip b{display:block;font-size:16px;color:var(--blue);margin-bottom:8px;}
.dltip p{font-size:14.5px;line-height:1.9;color:var(--ink-2);margin:0;}
.dltip s{text-decoration:none;font-weight:700;color:var(--red);}
.dltip a{color:var(--blue);font-weight:600;border-bottom:1px solid rgba(12,60,120,.35);}

/* 侧栏「资料下载中心」入口 */
.sdl{
  display:flex;align-items:center;gap:12px;padding:16px 18px;margin-bottom:22px;
  border-radius:12px;color:#fff;text-decoration:none;
  background:linear-gradient(135deg,var(--blue),#164b91);
  box-shadow:0 8px 22px rgba(12,60,120,.22);transition:.3s;}
.sdl:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(12,60,120,.3);}
.sdl .ic{
  width:38px;height:38px;flex:0 0 38px;border-radius:9px;display:flex;align-items:center;
  justify-content:center;background:rgba(255,255,255,.16);}
.sdl .ic svg{width:19px;height:19px;fill:#fff;}
.sdl .tx{flex:1;min-width:0;}
.sdl .tx b{display:block;font-size:15.5px;font-weight:700;letter-spacing:.3px;}
.sdl .tx s{display:block;text-decoration:none;font-size:12px;opacity:.75;margin-top:3px;}
.sdl .ar{width:16px;height:16px;fill:#fff;opacity:.7;transition:.3s;}
.sdl:hover .ar{transform:translateX(4px);opacity:1;}