/* ===========================================================
   汝州市森启新能源有限公司 · 锂冠锂电 官网样式
   深色科技风 + 品牌金
   =========================================================== */
:root{
  --navy-950:#040B15;
  --navy-900:#060F1D;
  --navy-800:#0A1628;
  --navy-700:#0F2036;
  --navy-650:#132844;
  --navy-600:#17314F;
  --navy-500:#1E3E63;
  --line:rgba(232,176,75,.16);
  --line-2:rgba(255,255,255,.08);

  --gold-300:#F7D98A;
  --gold-400:#F2C14E;
  --gold-500:#E0A83A;
  --gold-600:#C0871F;

  --txt:#FFFFFF;
  --txt-2:#B9C7D9;
  --txt-3:#7E92AC;

  --green:#3ED598;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 18px 50px rgba(0,0,0,.45);
  --maxw:1240px;
  --nav-h:106px;   /* 信息条 36 + 主导航 70 */
  --tb-h:36px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  background:var(--navy-800);color:var(--txt);
  line-height:1.7;font-size:16px;overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button,input,select,textarea{font:inherit;color:inherit;outline:none;border:none;background:none}
::selection{background:var(--gold-400);color:var(--navy-900)}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- 滚动条 ---------- */
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--navy-900)}
::-webkit-scrollbar-thumb{background:var(--navy-500);border-radius:6px}
::-webkit-scrollbar-thumb:hover{background:var(--gold-600)}

/* ================= 顶部导航 ================= */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:900;
  background:rgba(6,15,29,.72);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid transparent;transition:.3s;
}
.nav.scrolled{background:rgba(6,15,29,.94);border-bottom-color:var(--line);box-shadow:0 8px 30px rgba(0,0,0,.35)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:0 24px;height:70px;display:flex;align-items:center;gap:34px}
@media(max-width:900px){:root{--nav-h:70px}}
.logo{display:flex;align-items:center;gap:11px;flex-shrink:0}
.logo-mark{width:38px;height:38px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(145deg,var(--gold-300),var(--gold-500) 55%,var(--gold-600));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 18px rgba(224,168,58,.35)}
.logo-mark svg{width:22px;height:22px}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:16px;font-weight:800;letter-spacing:1.2px}
.logo-text em{font-style:normal;font-size:9.5px;color:var(--gold-400);letter-spacing:.9px;font-weight:600}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{padding:9px 15px;border-radius:8px;font-size:14.5px;color:var(--txt-2);transition:.22s;font-weight:500}
.nav-links a:hover{color:var(--txt);background:rgba(255,255,255,.05)}
.nav-links a.on{color:var(--gold-400)}
.nav-tel{display:flex;align-items:center;gap:8px;padding:9px 17px;border-radius:99px;flex-shrink:0;
  background:linear-gradient(135deg,var(--gold-400),var(--gold-500));color:#22160A;
  font-weight:800;font-size:14px;letter-spacing:.3px;transition:.25s;
  box-shadow:0 6px 20px rgba(224,168,58,.3)}
.nav-tel:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(224,168,58,.45)}
.nav-tel svg{width:15px;height:15px}
.burger{display:none;width:42px;height:42px;border-radius:10px;margin-left:auto;
  align-items:center;justify-content:center;cursor:pointer;border:1px solid var(--line)}
.burger span{display:block;width:19px;height:2px;background:var(--gold-400);border-radius:2px;position:relative}
.burger span::before,.burger span::after{content:'';position:absolute;left:0;width:19px;height:2px;background:var(--gold-400);border-radius:2px}
.burger span::before{top:-6px}.burger span::after{top:6px}
.m-nav{display:none;position:fixed;top:var(--nav-h);left:0;right:0;z-index:899;
  background:var(--navy-900);border-bottom:1px solid var(--line);padding:10px 20px 20px;
  flex-direction:column;gap:2px;max-height:calc(100vh - var(--nav-h));overflow:auto}
.m-nav.open{display:flex}
.m-nav a{padding:14px 6px;border-bottom:1px solid var(--line-2);font-size:15.5px;color:var(--txt-2)}
.m-nav a:last-child{border:none}

/* ================= 通用区块 ================= */
.sec{padding:92px 0;position:relative}
.sec.tight{padding:64px 0}
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px;position:relative}
.sec-wm{position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);
  font-size:clamp(62px,12vw,138px);font-weight:900;letter-spacing:3px;line-height:1;
  color:var(--gold-500);opacity:.045;white-space:nowrap;pointer-events:none;z-index:0;
  text-transform:uppercase}
.sec-head .eyebrow,.sec-head h2,.sec-head p{position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:2.4px;
  color:var(--gold-400);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before,.eyebrow::after{content:'';width:22px;height:1px;background:var(--gold-600)}
h1,h2,h3,h4{line-height:1.28;font-weight:800;letter-spacing:-.2px}
.sec-head h2{font-size:clamp(24px,3.2vw,36px);margin-bottom:14px}
.sec-head p{color:var(--txt-2);font-size:15.5px}
.left-head{text-align:left;margin-left:0}
.left-head .eyebrow::before{display:none}

/* ---------- 背景装饰 ---------- */
.grid-bg{position:absolute;inset:0;pointer-events:none;opacity:.4;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 20%,transparent 75%);
  mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 20%,transparent 75%)}
.glow{position:absolute;border-radius:50%;filter:blur(90px);pointer-events:none;opacity:.5}
.glow.g1{width:520px;height:520px;background:rgba(224,168,58,.22);top:-180px;right:-120px}
.glow.g2{width:420px;height:420px;background:rgba(30,90,180,.28);bottom:-160px;left:-140px}

/* ================= Hero ================= */
.hero{position:relative;padding:calc(var(--nav-h) + 74px) 0 78px;overflow:hidden;
  background:radial-gradient(ellipse 90% 70% at 72% 12%,#123055 0%,transparent 60%),
             linear-gradient(180deg,var(--navy-900) 0%,var(--navy-800) 100%)}
.hero-in{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:9px;padding:7px 15px 7px 9px;border-radius:99px;
  background:rgba(224,168,58,.1);border:1px solid var(--line);font-size:13px;color:var(--gold-300);font-weight:600;margin-bottom:22px}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(62,213,152,.16)}
.hero h1{font-size:clamp(30px,4.6vw,54px);letter-spacing:-1px;margin-bottom:20px}
.hero h1 .gold{background:linear-gradient(120deg,var(--gold-300),var(--gold-400) 45%,var(--gold-600));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{color:var(--txt-2);font-size:16.5px;max-width:600px;margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;height:52px;padding:0 30px;
  border-radius:12px;font-weight:700;font-size:15.5px;cursor:pointer;transition:.25s;white-space:nowrap}
.btn svg{width:17px;height:17px}
.btn-gold{background:linear-gradient(135deg,var(--gold-400),var(--gold-500));color:#22160A;
  box-shadow:0 10px 28px rgba(224,168,58,.3)}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 16px 36px rgba(224,168,58,.42)}
.btn-ghost{border:1px solid var(--line);color:var(--txt);background:rgba(255,255,255,.03)}
.btn-ghost:hover{border-color:var(--gold-500);background:rgba(224,168,58,.09);transform:translateY(-3px)}
.hero-brands{display:flex;flex-wrap:wrap;gap:9px}
.chip{padding:7px 14px;border-radius:8px;background:rgba(255,255,255,.045);border:1px solid var(--line-2);
  font-size:12.5px;color:var(--txt-2);font-weight:600}
.chip b{color:var(--gold-400)}

/* hero 右侧视觉 */
.hero-visual{position:relative;height:100%;min-height:460px}
.hv-card{position:absolute;border-radius:20px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:var(--navy-700)}
.hv-main{width:62%;right:0;top:9%;aspect-ratio:1/1}
.hv-main img{width:100%;height:100%;object-fit:cover}
.hv-third{width:38%;left:0;top:0;aspect-ratio:1/1;border-color:rgba(224,168,58,.4)}
.hv-third img{width:100%;height:100%;object-fit:cover}
.hv-sub{width:38%;left:0;bottom:0;aspect-ratio:1/1;border-color:rgba(224,168,58,.4)}
.hv-sub img{width:100%;height:100%;object-fit:cover}
.hv-tag{position:absolute;right:3%;bottom:5%;z-index:5;padding:12px 18px;border-radius:14px;white-space:nowrap;
  display:flex;align-items:baseline;gap:9px;
  background:rgba(9,20,35,.9);border:1px solid var(--line);backdrop-filter:blur(12px);box-shadow:var(--shadow)}
.hv-tag span{font-size:12.5px;color:var(--txt-3);letter-spacing:1.2px}
.hv-tag strong{font-size:19px;color:var(--gold-400);font-weight:800}

/* ================= 数据条 ================= */
.stats{background:var(--navy-900);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:38px 0}
.stats-in{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat{text-align:center;position:relative}
.stat+.stat::before{content:'';position:absolute;left:0;top:12%;height:76%;width:1px;background:var(--line)}
.stat b{display:block;font-size:clamp(26px,3.4vw,40px);font-weight:800;
  background:linear-gradient(135deg,var(--gold-300),var(--gold-500));-webkit-background-clip:text;
  background-clip:text;-webkit-text-fill-color:transparent;line-height:1.15}
.stat span{font-size:13.5px;color:var(--txt-2);margin-top:6px;display:block}

/* ================= 分类/卡片网格 ================= */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.cat-card{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--navy-700);
  border:1px solid var(--line-2);transition:.3s;min-height:210px;display:flex;flex-direction:column;justify-content:flex-end}
.cat-card:hover{transform:translateY(-6px);border-color:rgba(224,168,58,.45);box-shadow:0 20px 44px rgba(0,0,0,.5)}
.cat-card .cc-img{position:absolute;inset:0}
.cat-card .cc-img img{width:100%;height:100%;object-fit:cover;transition:.5s;opacity:.82;
  filter:saturate(1.05) brightness(1.04)}
.cat-card:hover .cc-img img{transform:scale(1.07);opacity:1}
.cat-card::after{content:'';position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,15,29,0) 0%,rgba(6,15,29,.35) 42%,rgba(6,15,29,.88) 72%,rgba(6,15,29,.97) 100%)}
.cat-card .cc-body{position:relative;z-index:2;padding:20px}
.cat-card .cc-body h3{font-size:18px;margin-bottom:5px}
.cat-card .cc-body p{font-size:12.5px;color:var(--txt-3)}
.cat-card .cc-num{position:absolute;top:16px;right:16px;z-index:2;padding:4px 11px;border-radius:99px;
  background:rgba(224,168,58,.16);border:1px solid var(--line);font-size:11.5px;color:var(--gold-300);font-weight:700}
/* 无实拍图的类目：渐变底 + 首字水印，避免出现"黑块" */
.cat-card.noimg .cc-img{background:linear-gradient(155deg,#17334F 0%,#0D1F35 60%,#0A1628 100%)}
.cat-card.noimg::before{content:'';position:absolute;inset:0;z-index:1;opacity:.5;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:34px 34px;
  -webkit-mask-image:radial-gradient(circle at 78% 30%,#000 0%,transparent 72%);
  mask-image:radial-gradient(circle at 78% 30%,#000 0%,transparent 72%)}
.cc-ph{position:absolute;right:16px;bottom:46px;z-index:2;font-size:78px;font-weight:800;line-height:1;
  color:rgba(224,168,58,.14);letter-spacing:-4px;user-select:none;pointer-events:none}
.cat-card.noimg:hover .cc-ph{color:rgba(224,168,58,.24)}

/* ---------- 优势 ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.adv{padding:26px 22px;border-radius:var(--radius);background:linear-gradient(160deg,var(--navy-700),var(--navy-800));
  border:1px solid var(--line-2);transition:.3s}
.adv:hover{border-color:rgba(224,168,58,.4);transform:translateY(-5px)}
.adv-ico{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(224,168,58,.12);border:1px solid var(--line);margin-bottom:16px}
.adv-ico svg{width:23px;height:23px;stroke:var(--gold-400)}
.adv h3{font-size:16.5px;margin-bottom:8px}
.adv p{font-size:13.5px;color:var(--txt-2);line-height:1.75}

/* ---------- 场景 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scene{padding:30px 26px;border-radius:var(--radius);background:var(--navy-700);border:1px solid var(--line-2);
  transition:.3s;position:relative;overflow:hidden}
.scene:hover{border-color:rgba(224,168,58,.4);background:var(--navy-650)}
.scene .s-n{font-size:34px;font-weight:800;color:rgba(224,168,58,.16);line-height:1;margin-bottom:10px}
.scene h3{font-size:18px;margin-bottom:9px}
.scene p{font-size:13.8px;color:var(--txt-2)}
.scene .s-list{margin-top:14px;display:flex;flex-direction:column;gap:7px}
.scene .s-list li{font-size:13px;color:var(--txt-3);padding-left:16px;position:relative}
.scene .s-list li::before{content:'';position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--gold-500)}

/* ---------- 服务承诺 ---------- */
.serve{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.serve-item{display:flex;gap:15px;padding:22px;border-radius:14px;background:rgba(255,255,255,.03);border:1px solid var(--line-2)}
.serve-item .si-ico{width:40px;height:40px;border-radius:10px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--gold-400),var(--gold-600));color:#22160A;font-weight:800;font-size:16px}
.serve-item h4{font-size:15.5px;margin-bottom:5px}
.serve-item p{font-size:13px;color:var(--txt-3)}

/* ================= 产品页 ================= */
.page-head{padding:calc(var(--nav-h) + 56px) 0 40px;position:relative;overflow:hidden;
  background:radial-gradient(ellipse 80% 100% at 50% 0%,#122E52 0%,transparent 62%),var(--navy-900);
  border-bottom:1px solid var(--line)}
.page-head h1{font-size:clamp(26px,3.8vw,42px);margin-bottom:12px}
.page-head p{color:var(--txt-2);max-width:680px;font-size:15.5px}
.crumb{font-size:13px;color:var(--txt-3);margin-bottom:16px}
.crumb a:hover{color:var(--gold-400)}

.toolbar{position:sticky;top:var(--nav-h);z-index:800;background:rgba(10,22,40,.96);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);padding:16px 0}
.tool-in{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.search{flex:1;min-width:220px;display:flex;align-items:center;gap:10px;height:46px;padding:0 16px;border-radius:11px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-2);transition:.25s}
.search:focus-within{border-color:var(--gold-500);background:rgba(255,255,255,.07)}
.search svg{width:17px;height:17px;stroke:var(--txt-3);flex-shrink:0}
.search input{flex:1;font-size:14.5px}
.search input::placeholder{color:var(--txt-3)}
.sortsel{height:46px;padding:0 14px;border-radius:11px;background:rgba(255,255,255,.05);
  border:1px solid var(--line-2);font-size:14px;cursor:pointer}
.sortsel option{background:var(--navy-700)}
.filters{display:flex;gap:8px;flex-wrap:wrap;padding:18px 0 0}
.fbtn{padding:8px 16px;border-radius:99px;font-size:13.5px;font-weight:600;cursor:pointer;transition:.22s;
  background:rgba(255,255,255,.045);border:1px solid var(--line-2);color:var(--txt-2)}
.fbtn:hover{border-color:rgba(224,168,58,.4);color:var(--txt)}
.fbtn.on{background:linear-gradient(135deg,var(--gold-400),var(--gold-500));color:#22160A;border-color:transparent}
.fbtn i{font-style:normal;opacity:.7;font-size:12px;margin-left:5px}

.pgrid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:34px 0 20px}
.pcard{background:var(--navy-700);border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden;
  transition:.3s;display:flex;flex-direction:column;cursor:pointer}
.pcard:hover{transform:translateY(-6px);border-color:rgba(224,168,58,.45);box-shadow:0 22px 46px rgba(0,0,0,.5)}
.pimg{position:relative;aspect-ratio:1/1;background:linear-gradient(150deg,#12253D,#0A1628);overflow:hidden}
.pimg img{width:100%;height:100%;object-fit:cover;transition:.45s}
.pcard:hover .pimg img{transform:scale(1.06)}
.pimg .noimg{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:8px;color:var(--txt-3);font-size:12.5px;text-align:center;padding:14px}
.pimg .noimg svg{width:30px;height:30px;stroke:var(--txt-3);opacity:.6}
.pcat{position:absolute;top:12px;left:12px;padding:4px 11px;border-radius:7px;font-size:11.5px;font-weight:700;
  background:rgba(9,20,35,.82);border:1px solid var(--line);color:var(--gold-300);backdrop-filter:blur(8px)}
/* 规格角标与分类角标同款：深底 + 金色字。绿色专供「承保 / 通过」类语义（hero 状态点、✓ 列表、承保徽章），不用于普通标签 */
.pspec{position:absolute;top:12px;right:12px;padding:4px 10px;border-radius:7px;font-size:11.5px;font-weight:700;
  background:rgba(9,20,35,.82);border:1px solid rgba(232,176,75,.16);color:var(--gold-300);backdrop-filter:blur(8px)}
.pbody{padding:16px 17px 18px;display:flex;flex-direction:column;flex:1}
.pcode{font-size:11.5px;color:var(--txt-3);letter-spacing:.6px;margin-bottom:6px;font-family:ui-monospace,Menlo,monospace}
.pname{font-size:14.6px;font-weight:700;line-height:1.45;margin-bottom:12px;flex:1;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pfoot{display:flex;align-items:flex-end;justify-content:space-between;gap:10px;
  padding-top:12px;border-top:1px solid var(--line-2)}
.price b{font-size:19px;color:var(--gold-400);font-weight:800}
.price b i{font-style:normal;font-size:13px;margin-right:1px}
.price span{display:block;font-size:11px;color:var(--txt-3);margin-top:1px}
.pmore{font-size:12.5px;color:var(--txt-3);white-space:nowrap}
.pcard:hover .pmore{color:var(--gold-400)}

.empty{text-align:center;padding:80px 20px;color:var(--txt-3)}
.empty svg{width:44px;height:44px;stroke:var(--txt-3);opacity:.5;margin:0 auto 16px}
.loadmore{display:flex;justify-content:center;padding:10px 0 60px}

/* ---------- 弹窗 ---------- */
.modal{position:fixed;inset:0;z-index:1000;display:none;align-items:center;justify-content:center;padding:22px;
  background:rgba(3,8,16,.82);backdrop-filter:blur(6px)}
.modal.open{display:flex}
.modal-box{background:var(--navy-700);border:1px solid var(--line);border-radius:20px;width:100%;max-width:880px;
  max-height:88vh;overflow:auto;box-shadow:var(--shadow);position:relative}
.modal-close{position:absolute;top:16px;right:16px;z-index:5;width:38px;height:38px;border-radius:10px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;background:rgba(9,20,35,.8);border:1px solid var(--line);
  color:var(--txt-2);transition:.2s;font-size:19px;line-height:1}
.modal-close:hover{color:var(--gold-400);border-color:var(--gold-600)}
.mb-in{display:grid;grid-template-columns:340px 1fr;gap:0}
.mb-img{background:linear-gradient(150deg,#12253D,#0A1628);display:flex;align-items:center;justify-content:center;
  border-right:1px solid var(--line-2);min-height:340px}
.mb-img img{width:100%;height:100%;object-fit:contain;padding:12px;background:#0C1A2E}
.mb-img .noimg{color:var(--txt-3);font-size:13px;text-align:center;padding:30px}
.mb-info{padding:30px 30px 26px}
.mb-info .pcode{font-size:12px}
.mb-info h2{font-size:21px;margin-bottom:12px;line-height:1.4}
.pdesc{font-size:13.8px;color:var(--txt-2);line-height:1.85;margin-bottom:18px;padding:13px 16px;
  background:rgba(255,255,255,.035);border-left:2px solid var(--gold-600);border-radius:0 10px 10px 0}
.mb-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.mb-meta .chip{font-size:12px;padding:5px 12px}
.spec-table{width:100%;border-collapse:collapse;font-size:13.6px;margin-top:6px}
.spec-table th{text-align:left;padding:10px 12px;background:rgba(255,255,255,.04);color:var(--txt-3);
  font-size:12px;font-weight:700;letter-spacing:.6px;border-bottom:1px solid var(--line-2)}
.spec-table th:last-child,.spec-table td:last-child{text-align:right}
.spec-table td{padding:11px 12px;border-bottom:1px solid var(--line-2);color:var(--txt-2)}
.spec-table tr:hover td{background:rgba(255,255,255,.025)}
.spec-table td:first-child{color:var(--txt);font-weight:600}
.spec-table .pr{color:var(--gold-400);font-weight:800}
.spec-note{margin-top:16px;font-size:12.5px;color:var(--txt-3);background:rgba(224,168,58,.06);
  border:1px solid var(--line);border-radius:10px;padding:11px 14px;line-height:1.7}
.mb-cta{display:flex;gap:11px;margin-top:20px;flex-wrap:wrap}
.mb-cta .btn{height:46px;padding:0 24px;font-size:14.5px}

/* ================= 技术支持 ================= */
.sup-layout{display:grid;grid-template-columns:230px 1fr;gap:46px;align-items:start}
.sup-nav{position:sticky;top:calc(var(--nav-h) + 24px);display:flex;flex-direction:column;gap:3px}
.sup-nav a{padding:11px 15px;border-radius:10px;font-size:14.2px;color:var(--txt-2);border-left:2px solid transparent;transition:.22s}
.sup-nav a:hover{background:rgba(255,255,255,.045);color:var(--txt)}
.sup-nav a.on{color:var(--gold-400);background:rgba(224,168,58,.09);border-left-color:var(--gold-400)}
.sup-body>section{margin-bottom:66px;scroll-margin-top:calc(var(--nav-h) + 24px)}
.sup-body h2{font-size:clamp(21px,2.5vw,28px);margin-bottom:10px}
.sup-body .lead{color:var(--txt-2);margin-bottom:26px;font-size:15px}
.card-block{background:var(--navy-700);border:1px solid var(--line-2);border-radius:var(--radius);padding:26px 26px 22px;margin-bottom:16px}
.card-block h3{font-size:17px;margin-bottom:12px;display:flex;align-items:center;gap:9px}
.card-block h3 .dot{width:7px;height:7px;border-radius:50%;background:var(--gold-400);flex-shrink:0}
.card-block p{font-size:14.2px;color:var(--txt-2);margin-bottom:10px}
.card-block p:last-child{margin-bottom:0}
.tbl{width:100%;border-collapse:collapse;font-size:13.8px;margin-top:8px}
.tbl th{text-align:left;padding:11px 13px;background:rgba(255,255,255,.045);color:var(--gold-300);
  font-size:12.5px;font-weight:700;border-bottom:1px solid var(--line)}
.tbl td{padding:11px 13px;border-bottom:1px solid var(--line-2);color:var(--txt-2);vertical-align:top}
.tbl tr:last-child td{border-bottom:none}
.tbl strong{color:var(--txt)}
.tick-list{display:flex;flex-direction:column;gap:9px;margin-top:6px}
.tick-list li{position:relative;padding-left:26px;font-size:14px;color:var(--txt-2)}
.tick-list li::before{content:'✓';position:absolute;left:0;top:-1px;color:var(--green);font-weight:800;font-size:14px}
.warn-list li::before{content:'!';color:var(--gold-400);width:16px;height:16px;border-radius:50%;
  background:rgba(224,168,58,.16);font-size:11px;display:flex;align-items:center;justify-content:center;top:5px}
.qa{border-bottom:1px solid var(--line-2);padding:4px 0}
.qa:last-child{border-bottom:none}
.qa summary{padding:16px 34px 16px 0;cursor:pointer;font-size:15px;font-weight:600;position:relative;list-style:none}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:'+';position:absolute;right:8px;top:50%;transform:translateY(-50%);
  color:var(--gold-400);font-size:20px;font-weight:400;line-height:1;transition:.25s}
.qa[open] summary::after{content:'−'}
.qa[open] summary{color:var(--gold-300)}
.qa .a{padding:0 34px 18px 0;font-size:14px;color:var(--txt-2);line-height:1.8}
.qa .a b{color:var(--gold-300)}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:8px}
.step{background:rgba(255,255,255,.03);border:1px solid var(--line-2);border-radius:13px;padding:20px 18px;position:relative}
.step .sn{width:30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--gold-400),var(--gold-600));color:#22160A;font-weight:800;font-size:14px;margin-bottom:12px}
.step h4{font-size:15px;margin-bottom:6px}
.step p{font-size:13px;color:var(--txt-3)}
.warranty-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.w-note{margin-top:14px;font-size:12.8px;line-height:1.75;color:var(--txt-3)}
@media(max-width:1080px){.warranty-grid{grid-template-columns:repeat(2,1fr)}}
.wcard{text-align:center;padding:28px 20px;border-radius:var(--radius);
  background:linear-gradient(165deg,var(--navy-700),var(--navy-800));border:1px solid var(--line)}
.wcard b{display:block;font-size:36px;font-weight:800;line-height:1.1;
  background:linear-gradient(135deg,var(--gold-300),var(--gold-500));-webkit-background-clip:text;
  background-clip:text;-webkit-text-fill-color:transparent}
.wcard b em{font-style:normal;font-size:16px}
.wcard span{display:block;font-size:14.5px;color:var(--txt);margin-top:8px;font-weight:700}
.wcard p{font-size:12.5px;color:var(--txt-3);margin-top:6px}

/* ================= 关于我们 ================= */
.about-hero{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.about-hero h2{font-size:clamp(22px,2.8vw,34px);margin-bottom:18px}
.about-hero p{color:var(--txt-2);margin-bottom:14px;font-size:15.3px}
.about-hero p b{color:var(--gold-300)}
.timeline{position:relative;padding-left:26px;margin-top:8px}
.timeline::before{content:'';position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:var(--line)}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:'';position:absolute;left:-26px;top:6px;width:11px;height:11px;border-radius:50%;
  background:var(--navy-800);border:2px solid var(--gold-500)}
.tl-item h4{font-size:15.5px;margin-bottom:5px;color:var(--gold-300)}
.tl-item p{font-size:13.8px;color:var(--txt-2)}
.badge-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.badge-card{padding:24px 20px;border-radius:14px;background:var(--navy-700);border:1px solid var(--line-2);text-align:center}
.badge-card .bi{width:44px;height:44px;margin:0 auto 14px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(224,168,58,.12);border:1px solid var(--line)}
.badge-card .bi svg{width:22px;height:22px;stroke:var(--gold-400)}
.badge-card h4{font-size:15px;margin-bottom:6px}
.badge-card p{font-size:12.8px;color:var(--txt-3)}
.coop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.coop{padding:28px 24px;border-radius:var(--radius);background:var(--navy-700);border:1px solid var(--line-2);transition:.3s}
.coop:hover{border-color:rgba(224,168,58,.4);transform:translateY(-5px)}
.coop .ct{display:inline-block;padding:4px 11px;border-radius:7px;font-size:11.5px;font-weight:700;
  background:rgba(224,168,58,.14);color:var(--gold-300);margin-bottom:14px}
.coop h3{font-size:17px;margin-bottom:10px}
.coop p{font-size:13.6px;color:var(--txt-2);margin-bottom:12px}

/* ================= 联系我们 ================= */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start}
.c-list{display:flex;flex-direction:column;gap:14px}
.c-item{display:flex;gap:16px;padding:20px;border-radius:14px;background:var(--navy-700);border:1px solid var(--line-2);transition:.25s}
.c-item:hover{border-color:rgba(224,168,58,.4)}
.c-item .ci{width:44px;height:44px;border-radius:12px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--gold-400),var(--gold-600));color:#22160A;font-weight:800}
.c-item .ci svg{width:21px;height:21px;stroke:#22160A}
.c-item span{display:block;font-size:12.5px;color:var(--txt-3);margin-bottom:3px}
.c-item strong{font-size:17px;color:var(--txt);font-weight:800;letter-spacing:.3px}
.c-item strong.big{font-size:22px;color:var(--gold-400)}
.c-item em{font-style:normal;display:block;font-size:13px;color:var(--txt-2);margin-top:5px;line-height:1.7}
.form-box{background:var(--navy-700);border:1px solid var(--line);border-radius:var(--radius);padding:30px}
.form-box h3{font-size:19px;margin-bottom:8px}
.form-box>p{font-size:13.5px;color:var(--txt-3);margin-bottom:22px}
.fld{margin-bottom:16px}
.fld label{display:block;font-size:13px;color:var(--txt-2);margin-bottom:7px;font-weight:600}
.fld label i{font-style:normal;color:var(--gold-400)}
.fld input,.fld textarea,.fld select{width:100%;padding:13px 15px;border-radius:11px;font-size:14.5px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-2);transition:.22s;font-family:inherit}
.fld input:focus,.fld textarea:focus,.fld select:focus{border-color:var(--gold-500);background:rgba(255,255,255,.075)}
.fld textarea{resize:vertical;min-height:110px;line-height:1.7}
.fld select option{background:var(--navy-700);color:var(--txt)}
.form-box .btn{width:100%;margin-top:6px}
.form-tip{margin-top:14px;font-size:12.5px;color:var(--txt-3);text-align:center;line-height:1.7}
.map-box{margin-top:34px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);background:var(--navy-700)}
.regions{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.region{padding:22px;border-radius:14px;background:var(--navy-700);border:1px solid var(--line-2)}
.region h4{font-size:15.5px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.region h4 i{width:6px;height:6px;border-radius:50%;background:var(--gold-400);font-style:normal}
.region p{font-size:13.2px;color:var(--txt-2)}

/* ================= CTA 条 ================= */
.cta-band{margin:0 auto;max-width:var(--maxw);border-radius:22px;padding:52px 46px;position:relative;overflow:hidden;
  background:linear-gradient(120deg,#12314F 0%,#0C1F36 60%,#0A1628 100%);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:34px;flex-wrap:wrap}
.cta-band::before{content:'';position:absolute;width:340px;height:340px;border-radius:50%;
  background:rgba(224,168,58,.16);filter:blur(80px);right:-90px;top:-110px}
.cta-band h2{font-size:clamp(21px,2.6vw,30px);margin-bottom:9px;position:relative}
.cta-band p{color:var(--txt-2);font-size:14.8px;position:relative;max-width:560px}
.cta-band .btn{position:relative}

/* ================= 页脚 ================= */
.foot{background:var(--navy-950);border-top:1px solid var(--line);padding:58px 0 26px;margin-top:92px}
.foot-in{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:38px;
  border-bottom:1px solid var(--line-2)}
.foot-brand p{font-size:13.5px;color:var(--txt-3);margin-top:16px;line-height:1.85;max-width:330px}
.foot h5{font-size:14px;margin-bottom:16px;color:var(--gold-400);font-weight:700;letter-spacing:.5px}
.foot-links{display:flex;flex-direction:column;gap:10px}
.foot-links a{font-size:13.5px;color:var(--txt-2);transition:.2s}
.foot-links a:hover{color:var(--gold-400);padding-left:4px}
.foot-links span{font-size:13.5px;color:var(--txt-2);line-height:1.7}
.foot-legal{margin-top:24px;padding:14px 18px;border:1px solid rgba(255,255,255,.09);border-radius:12px;
  background:rgba(255,255,255,.03);display:flex;flex-wrap:wrap;gap:8px 26px;
  font-size:12.5px;color:var(--txt-3)}
.foot-legal span{position:relative}
.foot-legal span+span::before{content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);
  width:1px;height:12px;background:rgba(255,255,255,.12)}
@media (max-width:680px){.foot-legal span+span::before{display:none}}
.foot-bottom{padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--txt-3)}
.foot-bottom a{color:var(--txt-3)}
.foot-bottom a:hover{color:var(--gold-400)}

/* ================= 动画 =================
   渐进增强：只有 JS 可用（html.js）时才隐藏待入场元素，
   JS 失效 / IO 不触发时内容照常可见，绝不出现空白页 */
.js .rv{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.3,1),transform .7s cubic-bezier(.2,.7,.3,1)}
.js .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .js .rv{opacity:1;transform:none;transition:none}
}

/* ================= 响应式 ================= */
@media (max-width:1080px){
  .cat-grid,.adv-grid,.pgrid{grid-template-columns:repeat(3,1fr)}
  .hero-in{grid-template-columns:1fr;gap:44px}
  .hero-visual{min-height:380px;max-width:520px}
  .foot-in{grid-template-columns:1fr 1fr}
  .sup-layout{grid-template-columns:1fr;gap:26px}
  .sup-nav{position:static;flex-direction:row;overflow-x:auto;padding-bottom:6px}
  .sup-nav a{white-space:nowrap;border-left:none;border-bottom:2px solid transparent}
  .sup-nav a.on{border-left:none;border-bottom-color:var(--gold-400)}
}
@media (max-width:900px){
  .nav-links,.nav-tel{display:none}
  .burger{display:flex}
  .stats-in{grid-template-columns:repeat(2,1fr);gap:30px}
  .stat:nth-child(3)::before{display:none}
  .scene-grid,.serve,.coop-grid,.regions{grid-template-columns:1fr}
  .badge-row{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .warranty-grid{grid-template-columns:repeat(2,1fr)}
  .about-hero,.contact-grid{grid-template-columns:1fr;gap:34px}
  .mb-in{grid-template-columns:1fr}
  .mb-img{border-right:none;border-bottom:1px solid var(--line-2);min-height:240px;max-height:300px}
  .cta-band{padding:38px 26px}
}
@media (max-width:680px){
  .sec{padding:64px 0}
  .cat-grid,.adv-grid,.pgrid{grid-template-columns:repeat(2,1fr);gap:13px}
  .cat-card{min-height:170px}
  .hero{padding-top:calc(var(--nav-h) + 46px)}
  .hero-cta .btn{flex:1;min-width:150px}
  .hero-visual{position:static;min-height:0;max-width:520px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:10px}
  .hv-card{position:relative;width:auto;left:auto;right:auto;top:auto;bottom:auto;aspect-ratio:1/1}
  .hv-main{grid-column:1 / -1;aspect-ratio:16/10}
  .hv-tag{grid-column:1 / -1;position:static;width:100%;justify-content:center;white-space:normal;text-align:center}
  .foot-in{grid-template-columns:1fr;gap:30px}
  .mb-info{padding:22px 20px}
  .tool-in{gap:10px}
  .search{min-width:100%}
  .pgrid{padding:22px 0 10px}
  .pname{font-size:13.6px}
  .price b{font-size:17px}
}
@media (max-width:420px){
  .cat-grid,.adv-grid,.pgrid{grid-template-columns:1fr}
  .stats-in{grid-template-columns:1fr}
  .stat+.stat::before{display:none}
  .badge-row,.steps{grid-template-columns:1fr}
  .wrap{padding:0 18px}
}

/* ================= 悬浮客服条 ================= */
.float-bar{position:fixed;right:18px;bottom:22px;z-index:900;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.fb-btn{display:flex;align-items:center;gap:7px;height:44px;padding:0 14px;border-radius:99px;
  border:1px solid var(--line-2);background:rgba(11,24,42,.92);backdrop-filter:blur(10px);
  color:var(--txt-1);font-size:13px;font-weight:600;cursor:pointer;text-decoration:none;
  box-shadow:0 8px 24px rgba(0,0,0,.35);transition:.25s;font-family:inherit}
.fb-btn svg{width:18px;height:18px;flex:0 0 18px}
.fb-btn:hover{border-color:var(--gold-400);color:var(--gold-300);transform:translateY(-2px)}
.fb-tel{background:linear-gradient(135deg,var(--gold-500),var(--gold-400));color:#20160a;border-color:transparent}
.fb-tel:hover{color:#20160a;box-shadow:0 10px 26px rgba(224,168,58,.35)}
.fb-top{width:44px;padding:0;justify-content:center;opacity:0;pointer-events:none;transform:translateY(8px)}
.fb-top.on{opacity:1;pointer-events:auto;transform:none}
@media(max-width:640px){
  .float-bar{right:12px;bottom:14px;gap:8px}
  .fb-btn{height:42px;font-size:12.5px}
  .fb-btn span{display:none}
  .fb-tel,.fb-copy{width:42px;padding:0;justify-content:center}
}

/* ================= 弹窗分享提示 ================= */
.mb-share{margin-top:10px;font-size:12.5px;color:var(--txt-3);line-height:1.6}

/* ================= 资质与实拍 ================= */
/* ================= 执照公示条 ================= */
.lic-band{display:grid;grid-template-columns:minmax(0,1.16fr) minmax(0,1fr);gap:28px;align-items:center;
  margin:0 0 22px;padding:20px;border-radius:18px;
  border:1px solid rgba(224,168,58,.26);
  background:linear-gradient(135deg,rgba(224,168,58,.07),rgba(255,255,255,.015))}
.lic-pic{display:block;border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.12);
  box-shadow:0 18px 42px rgba(0,0,0,.34);transition:transform .35s,border-color .35s}
.lic-pic:hover{transform:translateY(-3px);border-color:var(--gold-400)}
.lic-pic img{display:block;width:100%;height:auto}

/* ================= 悬浮条·微信入口 ================= */
.fb-wx{background:linear-gradient(135deg,#2ba245,#1e8e3a);color:#fff;border-color:transparent}
.fb-wx:hover{color:#fff;box-shadow:0 10px 26px rgba(43,162,69,.35)}
@media(max-width:640px){.fb-wx{width:42px;padding:0;justify-content:center}}
.lic-badge{display:inline-block;padding:4px 11px;border-radius:99px;font-size:11.5px;font-weight:600;
  color:#0d1420;background:var(--gold-400)}
.lic-meta h4{margin:11px 0 0;font-size:19px;color:var(--txt-1)}
.lic-meta ul{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:8px}
.lic-meta li{display:flex;gap:12px;font-size:13px;line-height:1.55;color:var(--txt-2)}
.lic-meta li b{flex:0 0 112px;font-weight:400;color:var(--txt-3);white-space:nowrap}
.lic-note{margin:14px 0 0;padding-top:12px;font-size:12px;line-height:1.7;color:var(--txt-3);
  border-top:1px solid rgba(255,255,255,.08)}
.qual-tag.ok{margin-top:9px;padding:2px 9px;border-radius:99px;font-size:11px;
  color:#7BD88F;border:1px solid rgba(123,216,143,.35);background:rgba(123,216,143,.09)}
.lic-band.ins{border-color:rgba(123,216,143,.24);
  background:linear-gradient(135deg,rgba(123,216,143,.07),rgba(255,255,255,.015))}
.lic-band.ins .lic-badge{background:#7BD88F}
.lic-band.ins .lic-pic{display:flex;justify-content:center;align-items:flex-start;
  background:#fff;padding:0;max-height:560px}
.lic-band.ins .lic-pic img{width:auto;max-width:100%;max-height:560px;object-fit:contain;object-position:top}
.ins-badge{display:inline-flex;align-items:center;gap:8px;margin-top:16px;padding:8px 15px;
  border-radius:99px;font-size:13px;line-height:1.5;text-align:left}
.ins-badge.ok{color:#8FE3A8;border:1px solid rgba(143,227,168,.35);background:rgba(143,227,168,.1)}
.ins-badge.warn{color:#FFC66B;border:1px solid rgba(255,198,107,.35);background:rgba(255,198,107,.1)}
@media(max-width:900px){.lic-band{grid-template-columns:1fr;gap:18px}.lic-pic{max-width:540px}}
.qual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.qual-card{border:1px dashed var(--line-2);border-radius:14px;background:rgba(255,255,255,.02);
  min-height:186px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:20px 16px;transition:.3s}
.qual-card:hover{border-color:var(--gold-400);background:rgba(224,168,58,.05)}
.qual-ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:10px;
  background:rgba(224,168,58,.12);border:1px solid var(--line);color:var(--gold-300)}
.qual-ico svg{width:22px;height:22px}
.qual-card h4{font-size:14.5px;margin:0 0 5px;color:var(--txt-1)}
.qual-card p{margin:0;font-size:12.5px;color:var(--txt-3);line-height:1.6}
.qual-tag{display:inline-block;margin-top:9px;font-size:11px;color:var(--txt-3);
  border:1px solid var(--line-2);border-radius:99px;padding:2px 10px}
@media(max-width:860px){.qual-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.qual-grid{grid-template-columns:1fr}}

/* ================= 独立商品详情页 ================= */
.pd-box{background:var(--navy-700);border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.pd-back{margin-top:22px;text-align:center}
.ph-sub{color:var(--txt-2);font-size:15px;margin-top:10px;max-width:760px}
@media(max-width:760px){
  .mb-in{grid-template-columns:1fr}
  .mb-img{min-height:240px}
}

/* ===========================================================
   二期升级：大厂观感组件
   =========================================================== */

/* ---------- 顶部信息条 ---------- */
.topbar{height:36px;border-bottom:1px solid var(--line);background:rgba(4,11,21,.9);
  display:flex;align-items:center;font-size:12.5px;color:var(--txt-3)}
.tb-in{max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px}
.tb-in b{color:var(--gold-400);font-weight:700}
.tb-right{display:flex;align-items:center;gap:12px;flex-shrink:0}
.tb-dot{width:3px;height:3px;border-radius:50%;background:var(--txt-3);opacity:.6}
@media(max-width:900px){.topbar{display:none}}
@media(max-width:560px){.topbar .tb-hide{display:none}}

/* ---------- 通用：区块标题增强 ---------- */
.eyebrow{font-size:11.5px;letter-spacing:2.4px;text-transform:uppercase;color:var(--gold-500);font-weight:700}

/* ---------- 四大业务板块 ---------- */
.biz-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.biz{border:1px solid var(--line-2);border-radius:var(--radius);background:rgba(255,255,255,.02);
  padding:30px 30px 26px;position:relative;overflow:hidden;transition:.35s}
.biz::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--gold-400),transparent)}
.biz:hover{border-color:var(--line);background:rgba(224,168,58,.045);transform:translateY(-3px)}
.biz-hd{display:flex;align-items:baseline;gap:12px;margin-bottom:12px}
.biz-no{font-size:30px;font-weight:800;color:rgba(224,168,58,.28);line-height:1;letter-spacing:-1px}
.biz h3{font-size:19px;margin:0}
.biz>p{font-size:14.5px;color:var(--txt-2);margin-bottom:14px}
.biz ul{display:grid;grid-template-columns:1fr 1fr;gap:7px 16px}
.biz ul li{font-size:13px;color:var(--txt-3);padding-left:15px;position:relative}
.biz ul li::before{content:'';position:absolute;left:0;top:9px;width:5px;height:5px;border-radius:50%;background:var(--gold-500)}
.biz-go{margin-top:18px;font-size:13px;color:var(--gold-400);font-weight:600;
  display:inline-flex;align-items:center;gap:6px;transition:.25s}
.biz:hover .biz-go{gap:11px}
@media(max-width:900px){.biz-grid{grid-template-columns:1fr}.biz ul{grid-template-columns:1fr}}

/* ---------- 产品硬指标（技术卖点） ---------- */
.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tech{border:1px solid var(--line-2);border-radius:var(--radius);background:rgba(255,255,255,.02);
  padding:26px 24px;transition:.35s}
.tech:hover{border-color:var(--line);background:rgba(224,168,58,.05);transform:translateY(-3px)}
.tech-k{font-size:26px;font-weight:800;color:var(--gold-400);line-height:1.1;letter-spacing:-.5px}
.tech-k em{font-size:14px;font-style:normal;font-weight:600;color:var(--gold-300);margin-left:3px}
.tech h4{font-size:15.5px;margin:9px 0 8px}
.tech p{font-size:13.5px;color:var(--txt-3);line-height:1.65}
@media(max-width:900px){.tech-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.tech-grid{grid-template-columns:1fr}}

/* ---------- 合作流程步骤条 ---------- */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;margin-top:8px}
.flow-i{position:relative;padding:0 14px;text-align:center}
.flow-i::after{content:'';position:absolute;top:23px;right:0;width:50%;height:1px;
  background:repeating-linear-gradient(90deg,var(--line) 0 5px,transparent 5px 10px)}
.flow-i::before{content:'';position:absolute;top:23px;left:0;width:50%;height:1px;
  background:repeating-linear-gradient(90deg,var(--line) 0 5px,transparent 5px 10px)}
.flow-i:first-child::before,.flow-i:last-child::after{display:none}
.fi-n{width:46px;height:46px;border-radius:50%;margin:0 auto 14px;display:grid;place-items:center;
  font-size:16px;font-weight:800;color:var(--gold-300);position:relative;z-index:2;
  background:var(--navy-700);border:1px solid var(--line);box-shadow:0 0 0 6px var(--navy-800)}
.flow-i h4{font-size:14.5px;margin-bottom:6px}
.flow-i p{font-size:12.5px;color:var(--txt-3);line-height:1.6}
@media(max-width:900px){
  .flow{grid-template-columns:1fr;gap:20px}
  .flow-i{text-align:left;padding-left:66px}
  .flow-i::before,.flow-i::after{display:none}
  .fi-n{position:absolute;left:0;top:0;margin:0}
}

/* ---------- 时间轴（发展历程 / 未来规划） ---------- */
.tl{position:relative;padding-left:34px}
.tl::before{content:'';position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--gold-500),rgba(224,168,58,.12))}
.tl-i{position:relative;padding-bottom:34px}
.tl-i:last-child{padding-bottom:0}
.tl-i::before{content:'';position:absolute;left:-30px;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--gold-400);box-shadow:0 0 0 4px rgba(224,168,58,.16)}
.tl-when{font-size:12.5px;font-weight:700;color:var(--gold-400);letter-spacing:.5px;margin-bottom:4px}
.tl-i h4{font-size:17px;margin-bottom:7px}
.tl-i p{font-size:14px;color:var(--txt-2);max-width:760px}
.tl-i ul{margin-top:9px;display:flex;flex-wrap:wrap;gap:8px}
.tl-i ul li{font-size:12.5px;color:var(--txt-3);border:1px solid var(--line-2);border-radius:99px;padding:3px 12px}

/* ---------- 未来规划卡片 ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.plan{border:1px solid var(--line-2);border-radius:var(--radius);background:rgba(255,255,255,.02);
  padding:28px 26px;position:relative;overflow:hidden;transition:.35s}
.plan:hover{border-color:var(--line);transform:translateY(-3px);background:rgba(224,168,58,.045)}
.plan-tag{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.6px;
  padding:3px 11px;border-radius:99px;margin-bottom:13px;
  background:rgba(224,168,58,.14);color:var(--gold-300);border:1px solid var(--line)}
.plan h4{font-size:18px;margin-bottom:10px}
.plan>p{font-size:13.5px;color:var(--txt-3);line-height:1.7;margin-bottom:14px}
.plan ul{display:flex;flex-direction:column;gap:8px}
.plan ul li{font-size:13.5px;color:var(--txt-2);padding-left:20px;position:relative;line-height:1.6}
.plan ul li::before{content:'';position:absolute;left:2px;top:8px;width:8px;height:8px;
  border:1.5px solid var(--gold-500);border-radius:2px;transform:rotate(45deg)}
@media(max-width:900px){.plan-grid{grid-template-columns:1fr}}

/* ---------- 服务三段（售前/售中/售后） ---------- */
.svc3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc{border:1px solid var(--line-2);border-radius:var(--radius);background:rgba(255,255,255,.02);
  padding:28px 26px;transition:.35s}
.svc:hover{border-color:var(--line);background:rgba(224,168,58,.05)}
.svc-hd{display:flex;align-items:center;gap:12px;margin-bottom:15px;padding-bottom:15px;border-bottom:1px solid var(--line-2)}
.svc-ic{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;flex:0 0 40px;
  background:rgba(224,168,58,.12);border:1px solid var(--line);color:var(--gold-300)}
.svc-ic svg{width:20px;height:20px}
.svc-hd h4{font-size:17px}
.svc-hd span{font-size:11.5px;color:var(--txt-3);display:block;font-weight:500}
.svc ul{display:flex;flex-direction:column;gap:11px}
.svc ul li{font-size:13.5px;color:var(--txt-2);line-height:1.65;padding-left:17px;position:relative}
.svc ul li::before{content:'';position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--gold-500)}
@media(max-width:900px){.svc3{grid-template-columns:1fr}}

/* ---------- 承诺条 ---------- */
.pmt-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-2);
  border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden}
.pmt{background:var(--navy-800);padding:24px 22px;transition:.3s}
.pmt:hover{background:var(--navy-700)}
.pmt b{display:block;font-size:22px;color:var(--gold-400);font-weight:800;line-height:1.2;margin-bottom:6px}
.pmt h5{font-size:14.5px;margin-bottom:6px;font-weight:600}
.pmt p{font-size:12.5px;color:var(--txt-3);line-height:1.6}
@media(max-width:900px){.pmt-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.pmt-grid{grid-template-columns:1fr}}

/* ---------- 解决方案页：方案卡 ---------- */
.sol{border:1px solid var(--line-2);border-radius:var(--radius);overflow:hidden;
  background:rgba(255,255,255,.02);display:grid;grid-template-columns:1fr 1fr;transition:.35s}
.sol:hover{border-color:var(--line);background:rgba(224,168,58,.035)}
.sol-img{position:relative;min-height:250px;overflow:hidden;background:var(--navy-900)}
.sol-img img{width:100%;height:100%;object-fit:cover;opacity:.9;transition:.5s}
.sol:hover .sol-img img{transform:scale(1.05);opacity:1}
.sol-b{padding:30px 30px 28px;display:flex;flex-direction:column;justify-content:center}
.sol-b .eyebrow{margin-bottom:9px}
.sol-b h3{font-size:20px;margin-bottom:10px}
.sol-b>p{font-size:14px;color:var(--txt-2);margin-bottom:16px}
.sol-ul{display:grid;grid-template-columns:1fr 1fr;gap:8px 14px;margin-bottom:16px}
.sol-ul li{font-size:13px;color:var(--txt-3);padding-left:16px;position:relative}
.sol-ul li::before{content:'';position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--gold-500)}
.sol-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.sol-meta span{font-size:11.5px;color:var(--gold-300);background:rgba(224,168,58,.1);
  border:1px solid var(--line);border-radius:99px;padding:3px 11px}
.sol-alt{background:var(--navy-900)}
.sol:nth-child(even) .sol-img{order:2}
@media(max-width:860px){
  .sol{grid-template-columns:1fr}
  .sol:nth-child(even) .sol-img{order:0}
  .sol-img{min-height:200px}
  .sol-b{padding:26px 22px}
}

/* ---------- 信任条 ---------- */
.trust{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.trust span{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--txt-2);
  border:1px solid var(--line-2);border-radius:99px;padding:5px 14px;background:rgba(255,255,255,.02)}
.trust span svg{width:14px;height:14px;color:var(--gold-400);flex:0 0 14px}

/* ---------- 数据条：6 项 ---------- */
.stats-in{display:grid;grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.stats-in{grid-template-columns:repeat(2,1fr);gap:22px 0}}

/* ---------- 解决方案列表 ---------- */
.sol-list{display:flex;flex-direction:column;gap:20px}

/* ---------- 窄屏按钮布局修正（防横向裁切） ---------- */
@media(max-width:680px){
  .hero-cta{flex-direction:column;gap:10px}
  .hero-cta .btn{width:100%;flex:0 0 auto;min-width:0;font-size:15px;padding:0 16px}
  .cta-band .btn{width:100%}
}
@media(max-width:420px){
  .hero-cta .btn{font-size:14px;height:48px}
  .cta-band .btn{font-size:14px;padding:0 12px}
}

/* ---------- 技术支持页侧栏导航：窄屏改胶囊换行，避免横向溢出 ---------- */
@media (max-width:1080px){
  .sup-nav{flex-direction:row;flex-wrap:wrap;overflow:visible;gap:8px}
  .sup-nav a{padding:8px 14px;font-size:13.4px;border-radius:99px;
    border:1px solid var(--line-2)}
  .sup-nav a:hover{background:rgba(255,255,255,.05)}
  .sup-nav a.on{background:rgba(224,168,58,.13);border-color:var(--gold-500);color:var(--gold-400)}
}

/* ============================================================
   v19 新增：技术实力页 / 常见问题页 / 视频 / 铭牌库
   ============================================================ */

/* ---------- 导航：8 项后在中等屏压缩，避免横向溢出 ---------- */
@media(max-width:1220px){
  .nav-in{gap:20px}
  .nav-links a{padding:9px 11px;font-size:13.8px}
}
@media(max-width:1080px){
  .nav-tel{display:none}
}
@media(max-width:400px){
  .nav-in{padding:0 16px;gap:12px}
  .logo-text strong{font-size:15px;letter-spacing:.8px}
  .logo-text em{font-size:8.6px;letter-spacing:.5px}
}

/* ---------- 生产方说明条 ---------- */
.src-note{display:flex;gap:12px;align-items:flex-start;padding:16px 20px;border-radius:12px;
  background:rgba(224,168,58,.06);border:1px solid var(--line);font-size:13px;color:var(--txt-2);
  line-height:1.8;max-width:900px;margin:26px auto 0}
.src-note svg{width:17px;height:17px;flex:0 0 17px;margin-top:2px;color:var(--gold-400)}
.src-note b{color:var(--gold-300);font-weight:600}

/* ---------- 九大智能宫格 ---------- */
.smart-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.smart-cell{position:relative;padding:26px 24px 22px;border-radius:14px;background:var(--navy-700);
  border:1px solid var(--line-2);transition:.28s;overflow:hidden}
.smart-cell::after{content:'';position:absolute;inset:0;border-radius:14px;pointer-events:none;
  background:linear-gradient(160deg,rgba(224,168,58,.10),transparent 46%);opacity:0;transition:.28s}
.smart-cell:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow)}
.smart-cell:hover::after{opacity:1}
.sc-num{font-size:11.5px;font-weight:800;letter-spacing:1.6px;color:var(--gold-500);display:block;margin-bottom:12px}
.smart-cell h4{font-size:15.5px;margin-bottom:8px;display:flex;align-items:center;gap:8px}
.smart-cell h4 svg{width:16px;height:16px;stroke:var(--gold-400);flex:0 0 16px}
.smart-cell p{font-size:13.2px;color:var(--txt-3);line-height:1.8}
@media(max-width:900px){.smart-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.smart-grid{grid-template-columns:1fr}}

/* ---------- 图文双栏（海报 + 文案） ---------- */
.duo{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:42px;align-items:center}
.duo.rev{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}
.duo-pic{border-radius:16px;overflow:hidden;border:1px solid var(--line-2);background:var(--navy-800);
  box-shadow:var(--shadow)}
.duo-pic img{width:100%;display:block}
.duo-txt h2{font-size:clamp(22px,2.8vw,31px);margin-bottom:16px}
.duo-txt>p{font-size:15px;color:var(--txt-2);margin-bottom:16px;line-height:1.85}
.duo-txt .klist{display:flex;flex-direction:column;gap:11px;margin:20px 0 6px}
.duo-txt .klist li{position:relative;padding-left:28px;font-size:14.2px;color:var(--txt-2);line-height:1.75}
.duo-txt .klist li::before{content:'';position:absolute;left:0;top:7px;width:13px;height:13px;border-radius:4px;
  background:rgba(224,168,58,.16);border:1px solid var(--gold-600)}
.duo-txt .klist li b{color:var(--txt);font-weight:600}
@media(max-width:900px){.duo,.duo.rev{grid-template-columns:1fr;gap:24px}.duo.rev .duo-pic{order:-1}}

/* ---------- 认证徽章 ---------- */
.cert-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:30px}
.cert-item{display:block;padding:18px 16px;border-radius:12px;text-align:center;
  background:rgba(255,255,255,.03);border:1px solid var(--line-2);transition:.26s}
a.cert-item{text-decoration:none;cursor:pointer}
a.cert-item:hover{transform:translateY(-4px);border-color:var(--line);background:rgba(224,168,58,.07)}
.cert-item b{display:block;font-size:15px;letter-spacing:.6px;color:var(--gold-300);margin-bottom:6px}
.cert-item span{font-size:12.2px;color:var(--txt-3);line-height:1.6}
@media(max-width:860px){.cert-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.cert-row{grid-template-columns:1fr}}
.cert-row.two{grid-template-columns:repeat(2,1fr)}
@media(max-width:640px){.cert-row.two{grid-template-columns:1fr}}

/* ---------- 第三方检测报告 ---------- */
.cm-band{display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1fr);gap:28px;align-items:stretch;
  padding:28px;border-radius:16px;background:linear-gradient(150deg,rgba(30,62,99,.5),rgba(6,15,29,.9));
  border:1px solid var(--line-2)}
.cm-meta{display:flex;flex-direction:column}
.cm-meta .cm-tip{margin-top:auto}
.cm-pics{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.cm-pics a{display:block;border-radius:10px;overflow:hidden;border:1px solid var(--line-2);background:#fff}
.cm-pics img{width:100%;display:block}
.cm-pics a:first-child{grid-column:span 2}
/* 小程序互通入口 */
.mp-band{display:grid;grid-template-columns:minmax(0,300px) minmax(0,1fr);gap:30px;align-items:start;
  padding:28px;border-radius:16px;background:linear-gradient(150deg,rgba(30,62,99,.5),rgba(6,15,29,.9));
  border:1px solid var(--line-2)}
.mp-band.no-qr{grid-template-columns:minmax(0,1fr)}
.mp-qr{text-align:center;padding:18px;border-radius:14px;background:rgba(255,255,255,.04);
  border:1px solid var(--line-2)}
.mp-qr img{width:100%;max-width:230px;display:block;margin:0 auto;border-radius:10px;background:#fff}
.mp-qr span{display:block;margin-top:12px;font-size:12.5px;color:var(--txt-3);letter-spacing:.4px}
.mp-meta h3{font-size:19px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.mp-meta h3 .ok-dot{width:8px;height:8px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 4px rgba(62,213,152,.16);flex:0 0 8px}
.mp-meta ul{margin:16px 0 0;display:grid;gap:2px}
.mp-meta li{display:flex;gap:14px;padding:9px 0;border-bottom:1px solid var(--line-2);font-size:13.6px}
.mp-meta li:last-child{border-bottom:none}
.mp-meta li b{flex:0 0 118px;font-weight:400;color:var(--txt-3)}
.mp-meta li span{color:var(--txt);flex:1}
.mp-tip{margin-top:14px;padding:13px 16px;border-radius:10px;background:rgba(255,255,255,.035);
  font-size:12.6px;line-height:1.75;color:var(--txt-3)}
@media(max-width:860px){
  .mp-band{grid-template-columns:1fr;gap:22px}
  .mp-qr{max-width:300px;margin:0 auto}
}
.cm-meta h3{font-size:19px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.cm-meta h3 .ok-dot{width:8px;height:8px;border-radius:50%;background:var(--green);
  box-shadow:0 0 0 4px rgba(62,213,152,.16);flex:0 0 8px}
.cm-meta ul{margin:16px 0 0;display:grid;gap:2px}
.cm-meta li{display:flex;gap:14px;padding:9px 0;border-bottom:1px solid var(--line-2);font-size:13.6px}
.cm-meta li:last-child{border-bottom:none}
.cm-meta li b{flex:0 0 118px;font-weight:400;color:var(--txt-3)}
.cm-meta li span{color:var(--txt);flex:1}
.cm-tip{margin-top:16px;padding:13px 16px;border-radius:10px;background:rgba(255,255,255,.035);
  border:1px solid var(--line-2);font-size:12.6px;color:var(--txt-3);line-height:1.75}
@media(max-width:900px){.cm-band{grid-template-columns:1fr;gap:22px}
  .cm-meta li b{flex:0 0 96px;font-size:12.6px}}

/* ---------- 铭牌规格库 ---------- */
.np-tools{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-bottom:18px}
.np-tools input{flex:1;min-width:220px;height:46px;padding:0 16px;border-radius:10px;
  background:rgba(255,255,255,.04);border:1px solid var(--line-2);color:var(--txt);font-size:14px;
  font-family:inherit;outline:none;transition:.24s}
.np-tools input:focus{border-color:var(--gold-500);background:rgba(224,168,58,.06)}
.np-tools input::placeholder{color:var(--txt-3)}
.np-tools .np-count{font-size:13px;color:var(--txt-3);white-space:nowrap}
.np-tools .np-count b{color:var(--gold-400)}
.np-wrap{overflow-x:auto;border-radius:14px;border:1px solid var(--line-2);background:var(--navy-700)}
.np-table{width:100%;border-collapse:collapse;font-size:13.4px;min-width:760px}
.np-table th{position:sticky;top:0;text-align:left;padding:13px 15px;background:var(--navy-650);
  color:var(--gold-300);font-size:12.6px;font-weight:600;letter-spacing:.4px;white-space:nowrap;
  border-bottom:1px solid var(--line)}
.np-table td{padding:12px 15px;border-bottom:1px solid var(--line-2);color:var(--txt-2);white-space:nowrap}
.np-table tr:last-child td{border-bottom:none}
.np-table tr:hover td{background:rgba(255,255,255,.028)}
.np-table td:first-child{color:var(--txt);font-weight:600}
.np-table .np-tag{display:inline-block;padding:2px 8px;border-radius:6px;font-size:11.5px;
  background:rgba(62,213,152,.11);color:#7BD88F;border:1px solid rgba(62,213,152,.26);margin-left:7px}
.np-hide{display:none !important}
.np-empty{padding:40px;text-align:center;color:var(--txt-3);font-size:14px}
.np-hint{display:none;margin-top:10px;font-size:12.4px;color:var(--txt-3);text-align:center}
@media(max-width:900px){.np-hint{display:block}}

/* ---------- 视频播放 ---------- */
.vbox{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:34px;align-items:center;
  padding:26px;border-radius:16px;background:var(--navy-700);border:1px solid var(--line-2)}
.vbox video{width:100%;display:block;border-radius:12px;background:#000;
  border:1px solid var(--line-2);max-height:520px}
.vbox h3{font-size:20px;margin-bottom:12px}
.vbox p{font-size:14.4px;color:var(--txt-2);line-height:1.85;margin-bottom:14px}
.vbox .vstep{display:flex;flex-direction:column;gap:9px;margin-top:6px}
.vbox .vstep li{position:relative;padding-left:26px;font-size:13.6px;color:var(--txt-2)}
.vbox .vstep li::before{content:'▶';position:absolute;left:0;top:1px;font-size:9px;color:var(--gold-400)}
@media(max-width:900px){.vbox{grid-template-columns:1fr;gap:20px;padding:20px}}

/* ---------- 常见问题页 ---------- */
.faq-tools{position:sticky;top:calc(var(--nav-h) + 10px);z-index:20;padding:16px;border-radius:14px;
  background:rgba(6,15,29,.92);border:1px solid var(--line-2);backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);margin-bottom:22px}
.faq-search{position:relative;margin-bottom:12px}
.faq-search svg{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:17px;height:17px;
  color:var(--txt-3);pointer-events:none}
.faq-search input{width:100%;height:50px;padding:0 16px 0 44px;border-radius:11px;font-size:14.6px;
  background:rgba(255,255,255,.045);border:1px solid var(--line-2);color:var(--txt);outline:none;
  font-family:inherit;transition:.24s}
.faq-search input:focus{border-color:var(--gold-500);background:rgba(224,168,58,.06)}
.faq-search input::placeholder{color:var(--txt-3)}
.faq-tabs{display:flex;gap:8px;flex-wrap:wrap}
.faq-tabs button{height:38px;padding:0 15px;border-radius:9px;font-size:13.4px;cursor:pointer;
  background:rgba(255,255,255,.04);border:1px solid var(--line-2);color:var(--txt-2);
  font-family:inherit;transition:.22s}
.faq-tabs button:hover{background:rgba(255,255,255,.08);color:var(--txt)}
.faq-tabs button.on{background:rgba(224,168,58,.14);border-color:var(--gold-500);color:var(--gold-400);
  font-weight:600}
.faq-ch{display:flex;align-items:center;gap:12px;font-size:19px;margin:34px 0 14px;
  padding-bottom:12px;border-bottom:1px solid var(--line)}
.faq-ch:first-child{margin-top:0}
.faq-ch span{font-size:12.4px;font-weight:500;color:var(--txt-3);padding:3px 10px;border-radius:99px;
  background:rgba(255,255,255,.05);border:1px solid var(--line-2)}
.faq-item{border:1px solid var(--line-2);border-radius:12px;background:var(--navy-700);
  margin-bottom:10px;overflow:hidden;transition:.24s}
.faq-item[open]{border-color:var(--line);background:var(--navy-650)}
.faq-item summary{position:relative;padding:17px 52px 17px 22px;font-size:14.8px;color:var(--txt);
  cursor:pointer;list-style:none;font-weight:500;line-height:1.6}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:'+';position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:300;color:var(--gold-500);transition:.24s}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item summary:hover{color:var(--gold-300)}
.faq-a{padding:0 22px 20px;font-size:14px;color:var(--txt-2);line-height:1.95;
  border-top:1px solid var(--line-2);padding-top:16px;margin-top:0}
.faq-a b{color:var(--txt);font-weight:600}
.faq-none{padding:56px 20px;text-align:center;color:var(--txt-3);font-size:14.5px;
  border:1px dashed var(--line-2);border-radius:14px}
.faq-stat{font-size:13px;color:var(--txt-3);margin:0 0 18px;padding-left:2px}
.faq-stat b{color:var(--gold-400)}
@media(max-width:680px){
  .faq-tools{padding:12px;top:calc(var(--nav-h) + 6px)}
  .faq-item summary{padding:15px 46px 15px 17px;font-size:14.2px}
  .faq-a{padding:14px 17px 18px;font-size:13.6px}
  .faq-ch{font-size:17px;margin:26px 0 12px}
}
@media(max-width:520px){.warranty-grid{grid-template-columns:1fr}}

/* ===== 首页核心业务入口卡 ===== */
.core-sec{background:linear-gradient(180deg,#0e1426,#0b1120);border-bottom:1px solid var(--line);padding:78px 0}
.core-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.core{display:flex;flex-direction:column;padding:26px 24px;border-radius:var(--radius);border:1px solid var(--line-2);background:rgba(255,255,255,.025);text-decoration:none;color:var(--txt);transition:.25s;position:relative;overflow:hidden}
.core::before{content:'';position:absolute;left:0;top:0;right:0;height:3px;background:linear-gradient(90deg,var(--gold-400),transparent);opacity:.55}
.core:hover{border-color:var(--gold-500);background:rgba(224,168,58,.06);transform:translateY(-4px);box-shadow:0 18px 40px rgba(0,0,0,.35)}
.core-ic{width:46px;height:46px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:rgba(224,168,58,.12);color:var(--gold-400);margin-bottom:16px}
.core-ic svg{width:25px;height:25px}
.core h3{font-size:18px;margin:0 0 8px}
.core p{font-size:13.5px;color:var(--txt-2);margin:0 0 16px;flex:1;line-height:1.6}
.core-go{font-size:13px;color:var(--gold-400);font-weight:600}
.core:hover .core-go{letter-spacing:.5px}
@media(max-width:880px){.core-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.core-grid{grid-template-columns:1fr}}

/* ===== 首页全量重构新增 ===== */
.nav-wx{display:flex;align-items:center;gap:7px;padding:9px 16px;border-radius:99px;flex-shrink:0;font-size:13.5px;font-weight:600;color:var(--gold-400);border:1px solid rgba(224,168,58,.4);background:rgba(224,168,58,.08);transition:.22s}
.nav-wx:hover{background:rgba(224,168,58,.16);transform:translateY(-2px)}
.nav-wx svg{width:15px;height:15px}

/* 信任条（前移紧凑） */
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.trust-strip .ts-item{display:flex;align-items:center;gap:12px;padding:18px 16px;border-radius:12px;background:rgba(255,255,255,.02);border:1px solid var(--line-2)}
.trust-strip .ts-ico{width:38px;height:38px;border-radius:10px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:rgba(224,168,58,.12);color:var(--gold-400)}
.trust-strip .ts-ico svg{width:20px;height:20px}
.trust-strip b{font-size:14.5px;display:block;color:var(--txt)}
.trust-strip span{font-size:12px;color:var(--txt-2)}

/* 核心优势 4 点 */
.pillar-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.pillar{padding:28px 24px;border-radius:var(--radius);background:rgba(255,255,255,.02);border:1px solid var(--line-2);position:relative;overflow:hidden}
.pillar::before{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--gold-400),transparent)}
.pillar .p-ico{width:42px;height:42px;border-radius:11px;display:flex;align-items:center;justify-content:center;background:rgba(224,168,58,.12);color:var(--gold-400);margin-bottom:14px}
.pillar .p-ico svg{width:22px;height:22px}
.pillar h3{font-size:17px;margin:0 0 8px}
.pillar p{font-size:13.5px;color:var(--txt-2);line-height:1.6;margin:0}

/* 真实案例 / 应用实景 */
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.case{overflow:hidden;border-radius:var(--radius);background:var(--navy-700);border:1px solid var(--line-2);transition:.25s}
.case:hover{border-color:rgba(224,168,58,.4);transform:translateY(-3px)}
.case .c-img{height:164px;background:var(--navy-900);display:flex;align-items:center;justify-content:center;color:var(--txt-3);font-size:12px;overflow:hidden}
.case .c-img img{width:100%;height:100%;object-fit:cover}
.case .c-body{padding:18px 18px 22px}
.case .c-tag{display:inline-block;font-size:11px;color:var(--gold-400);border:1px solid rgba(224,168,58,.35);border-radius:99px;padding:3px 10px;margin-bottom:10px}
.case h3{font-size:16px;margin:0 0 7px}
.case p{font-size:13px;color:var(--txt-2);line-height:1.55;margin:0}
.case .c-res{display:block;margin-top:10px;font-size:12px;font-weight:700;color:var(--gold-400)}

/* 常见问题精选 */
.faq-mini{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;max-width:920px;margin:0 auto}
.faq-item{padding:20px 22px;border-radius:12px;background:rgba(255,255,255,.02);border:1px solid var(--line-2)}
.faq-item h4{font-size:15px;margin:0 0 7px;color:var(--txt)}
.faq-item p{font-size:13.5px;color:var(--txt-2);line-height:1.6;margin:0}
.faq-item .fi-go{display:inline-block;margin-top:10px;font-size:12.5px;color:var(--gold-400);font-weight:600}

/* 光伏小知识 */
.pv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;max-width:980px;margin:0 auto}
.pv-card{padding:24px 26px;border-radius:14px;background:rgba(255,255,255,.02);border:1px solid var(--line-2)}
.pv-card h4{font-size:17px;margin:0 0 9px;color:var(--txt)}
.pv-card p{font-size:14px;color:var(--txt-2);line-height:1.7;margin:0}
@media(max-width:640px){.pv-grid{grid-template-columns:1fr}.sec-wm{display:none}}

@media(max-width:900px){.pillar-grid,.case-grid,.trust-strip{grid-template-columns:repeat(2,1fr)}.faq-mini{grid-template-columns:1fr}}
@media(max-width:520px){.pillar-grid,.case-grid,.trust-strip{grid-template-columns:1fr}}

/* ===== 森启新能源小程序下单面板 ===== */
.mp-modal{position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center;background:rgba(8,10,14,.72);backdrop-filter:blur(4px);padding:20px}
.mp-modal.open{display:flex}
.mp-box{position:relative;width:min(380px,92vw);background:var(--surface,#12151c);border:1px solid var(--line-2,#2a2f3a);border-radius:18px;padding:26px 22px 22px;box-shadow:0 24px 60px rgba(0,0,0,.5)}
.mp-close{position:absolute;top:8px;right:12px;width:34px;height:34px;border:0;background:transparent;color:var(--txt-2,#9aa3b2);font-size:26px;line-height:1;cursor:pointer}
.mp-head{font-size:18px;font-weight:700;color:var(--txt,#e8ebf0);text-align:center;margin-bottom:16px}
.mp-qr{width:200px;height:200px;margin:0 auto 14px;background:#fff;border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.mp-qr img{width:100%;height:100%;object-fit:contain}
.mp-qr-fallback{display:none;align-items:center;justify-content:center;text-align:center;color:#666;font-size:13px;padding:12px;line-height:1.5}
.mp-code{text-align:center;font-size:14px;color:var(--txt-2,#9aa3b2);margin:0 0 6px}
.mp-code b{color:var(--gold-400,#f5c451)}
.mp-tip{font-size:13px;color:var(--txt-2,#9aa3b2);line-height:1.6;text-align:center;margin:0 0 16px}
.mp-tip b{color:var(--gold-300,#f7d27a)}
.mp-launch{display:none;margin:14px 0;text-align:center}
.mp-acts{display:flex;gap:10px;flex-wrap:wrap}
.man-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;margin-top:8px}
.man-card{position:relative;display:block;background:var(--navy-800);border:1px solid var(--line);border-radius:16px;padding:20px 22px;color:inherit;text-decoration:none;transition:.22s}
.man-card:hover{border-color:rgba(224,168,58,.5);transform:translateY(-3px)}
.mc-t{font-size:16px;font-weight:700;color:var(--txt);margin-bottom:6px}
.mc-s{font-size:13px;color:var(--txt-2);line-height:1.6;padding-right:64px}
.mc-tag{position:absolute;top:16px;right:16px;font-size:11px;padding:3px 9px;border-radius:99px;background:rgba(255,255,255,.06);color:var(--txt-3)}
.mc-tag.ok{background:rgba(97,153,34,.16);color:#9bc24a}
.man-note{margin-top:22px;padding:14px 18px;border-radius:12px;background:rgba(224,168,58,.08);border:1px solid rgba(224,168,58,.3);color:var(--txt-2);font-size:13.5px}
.man-note a{color:var(--gold-400);font-weight:700}
.mp-acts .btn{flex:1;min-width:130px;justify-content:center}

/* ===== 立即下单页 ===== */
.buy-grid{max-width:920px;margin:0 auto;padding-bottom:48px}
.buy-card{background:var(--surface,#11141b);border:1px solid var(--line-2,#2a2f3a);border-radius:18px;padding:24px;display:grid;grid-template-columns:1fr 1fr;gap:28px}
.buy-prod{display:flex;flex-direction:column;gap:16px}
.bp-img{width:100%;aspect-ratio:1/1;background:#0c0e13;border-radius:14px;overflow:hidden;display:flex;align-items:center;justify-content:center}
.bp-img img{width:100%;height:100%;object-fit:contain}
.bp-img .noimg{color:var(--txt-2,#9aa3b2);font-size:14px}
.bp-meta .pcode{color:var(--gold-400,#f5c451);font-size:13px;letter-spacing:.5px;font-weight:600}
.bp-meta h2{font-size:22px;margin:6px 0 12px;color:var(--txt,#e8ebf0)}
.bp-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.bp-chips .chip{background:rgba(245,196,81,.08);border:1px solid rgba(245,196,81,.25);color:var(--gold-300,#f7d27a);font-size:12px;padding:4px 10px;border-radius:999px}
.bp-desc{font-size:14px;color:var(--txt-2,#9aa3b2);line-height:1.7}
.buy-form{display:flex;flex-direction:column;gap:16px}
.bf-field{display:flex;flex-direction:column;gap:7px}
.bf-field>label{font-size:13px;color:var(--txt-2,#9aa3b2);font-weight:600}
.bf-field>label i{color:#ff6b6b;font-style:normal}
.bf-field input,.bf-field textarea{background:#0c0e13;border:1px solid var(--line-2,#2a2f3a);border-radius:10px;padding:11px 13px;color:var(--txt,#e8ebf0);font-size:14px;font-family:inherit;outline:none}
.bf-field input:focus,.bf-field textarea:focus{border-color:var(--gold-400,#f5c451)}
.bf-field textarea{resize:vertical;min-height:64px}
.spec-pick{display:flex;flex-direction:column;gap:8px}
.sp-item{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#0c0e13;border:1px solid var(--line-2,#2a2f3a);border-radius:10px;padding:11px 13px;cursor:pointer;transition:border-color .15s,background .15s}
.sp-item.on{border-color:var(--gold-400,#f5c451);background:rgba(245,196,81,.08)}
.sp-item input{display:none}
.sp-n{font-size:14px;color:var(--txt,#e8ebf0)}
.sp-p{font-size:13px;color:var(--gold-300,#f7d27a);font-weight:600}
.spec-single{font-size:14px;color:var(--txt-2,#9aa3b2)}
.spec-single b{color:var(--txt,#e8ebf0)}
.qty{display:inline-flex;align-items:center;border:1px solid var(--line-2,#2a2f3a);border-radius:10px;overflow:hidden;width:fit-content}
.qty button{width:40px;height:42px;border:0;background:#0c0e13;color:var(--txt,#e8ebf0);font-size:20px;cursor:pointer}
.qty button:active{background:#1a1e27}
.qty input{width:64px;height:42px;border:0;text-align:center;background:#0c0e13;color:var(--txt,#e8ebf0);font-size:15px;font-family:inherit;outline:none}
.bf-acts{display:flex;gap:10px;flex-wrap:wrap;margin-top:2px}
.bf-acts .btn{flex:1;min-width:140px;justify-content:center}
.bf-note{font-size:12.5px;color:var(--txt-2,#9aa3b2);line-height:1.6;margin:0}
.buy-success{background:var(--surface,#11141b);border:1px solid var(--line-2,#2a2f3a);border-radius:18px;padding:32px 24px;text-align:center}
.bs-ico{width:56px;height:56px;border-radius:50%;background:rgba(245,196,81,.12);color:var(--gold-400,#f5c451);font-size:30px;line-height:56px;margin:0 auto 14px}
.buy-success h2{font-size:20px;color:var(--txt,#e8ebf0);margin:0 0 8px}
.buy-success>p{font-size:14px;color:var(--txt-2,#9aa3b2);line-height:1.7;margin:0 0 16px}
.buy-success .lk{color:var(--gold-400,#f5c451);font-weight:700}
.bs-card{text-align:left;white-space:pre-wrap;font-family:ui-monospace,monospace;font-size:12.5px;background:#0c0e13;border:1px solid var(--line-2,#2a2f3a);border-radius:10px;padding:14px;color:var(--txt-2,#9aa3b2);margin-bottom:18px}
.bs-acts{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.bs-acts .btn{flex:1;min-width:130px;justify-content:center}

@media(max-width:760px){
  .buy-card{grid-template-columns:1fr;gap:20px;padding:18px}
  .bp-meta h2{font-size:20px}
}