/* ApexGen Power · 全站共享样式 · Jackery壳+Generac逻辑 */
:root{
  --orange:#F26522;
  --navy:#1F3A5F;
  --gray:#F5F6F8;
  --ink:#111418;
  --muted:#5A6472;
  --radius:6px;
  /* 工业扁平风：窄体无衬线做标题，常规宽度做正文 */
  --font-display:"Barlow Condensed","Arial Narrow",Arial,"Helvetica Neue",sans-serif;
  --font-body:"Barlow",-apple-system,"Segoe UI","Helvetica Neue",Helvetica,Arial,sans-serif;
  /* 卖点滚动高亮：暖中性底 + 白卡悬浮，不用深蓝 */
  --spot-bg:#F2F1EE;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);color:var(--ink);background:#fff;line-height:1.6}
img{max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
section{padding:88px 0}
h1,h2{font-family:var(--font-display);text-transform:uppercase;line-height:1.06;letter-spacing:.005em;font-weight:600;text-wrap:balance}
h1{font-size:clamp(40px,6vw,74px)}
h2{font-size:clamp(32px,4.4vw,54px)}
h3{font-family:var(--font-display);text-transform:uppercase;font-size:23px;font-weight:600;letter-spacing:.01em}
h4{font-family:var(--font-display);text-transform:uppercase;font-weight:600;letter-spacing:.01em}
/* 图二同款双色下划线：藏蓝 + 品牌橙 */
.center>h2::after{content:"";display:block;width:132px;height:4px;margin:20px auto 0;background:linear-gradient(90deg,var(--navy) 0 50%,var(--orange) 50%)}
.dark .center>h2::after{background:linear-gradient(90deg,#fff 0 50%,var(--orange) 50%)}
.sub{font-size:clamp(16px,1.6vw,20px);color:var(--muted);margin-top:18px}
.btn{display:inline-block;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.06em;padding:15px 32px;border-radius:4px;font-weight:600;font-size:17px;transition:.2s;cursor:pointer;border:2px solid transparent}
.btn-orange{background:var(--orange);color:#fff}
.btn-orange:hover{filter:brightness(1.08);transform:translateY(-2px)}
.btn-line{border-color:var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:#fff}
.dark .btn-line{border-color:#fff;color:#fff}
.dark .btn-line:hover{background:#fff;color:var(--navy)}
.dark{background:var(--navy);color:#fff}
.dark .sub{color:#B9C4D4}
.tag-orange{color:var(--orange)}
.center{text-align:center}
.ph{background:var(--gray);border:2px dashed #C6CDD6;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;color:#8A93A0;font-size:13px;font-weight:600;letter-spacing:.04em;text-align:center;padding:10px}
.dark .ph{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.25);color:rgba(255,255,255,.55)}
.grid{display:grid;gap:28px}
.card{background:#fff;border-radius:var(--radius);border:1px solid #E6EAEF;box-shadow:0 2px 10px rgba(17,20,24,.05);padding:28px;transition:.25s}
.card:hover{transform:translateY(-3px);border-color:var(--orange);box-shadow:0 10px 26px rgba(17,20,24,.1)}
.kicker{font-family:var(--font-display)!important;font-weight:600}
.note{font-size:13px;color:var(--muted);margin-top:14px}
.dark .note{color:#8FA0B8}
/* NAV */
nav{position:sticky;top:0;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);z-index:50;border-bottom:1px solid #ECEFF3}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{font-family:var(--font-display);font-weight:700;font-size:26px;letter-spacing:.02em}
.logo span{color:var(--orange)}
.nav-links{display:flex;align-items:center;gap:26px;font-size:16px;font-weight:500;color:#2A3340;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.03em}
.nav-links>a{display:flex;align-items:center;height:68px}
.nav-links a:hover{color:var(--orange)}
.nav-links a.on{color:var(--orange)}
/* 产品下拉菜单 */
.nav-item{position:relative;display:flex;align-items:center;height:68px}
.nav-item>a::after{content:"▾";margin-left:6px;font-size:12px;opacity:.65}
.dropdown{position:absolute;top:100%;left:-16px;min-width:300px;background:#fff;border:1px solid #E6EAEF;box-shadow:0 14px 34px rgba(17,20,24,.13);border-radius:var(--radius);padding:10px;opacity:0;visibility:hidden;transform:translateY(6px);transition:.18s;display:block}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{opacity:1;visibility:visible;transform:none}
.dropdown a{display:block;padding:11px 14px;border-radius:4px;font-size:16px;font-weight:500;color:#2A3340;line-height:1.25}
.dropdown a:hover,.dropdown a:focus-visible{background:var(--gray);color:var(--orange)}
.dropdown a em{display:block;font-family:var(--font-body);font-style:normal;text-transform:none;letter-spacing:0;font-size:12.5px;color:var(--muted);margin-top:3px}
.dropdown a:hover em{color:var(--muted)}
.dd-sep{height:1px;background:#EEF1F5;margin:8px 6px}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
/* 宽下拉（产品：分类 + 全部型号两栏） */
.dd-wide{min-width:660px;display:grid;grid-template-columns:1.15fr 1fr;gap:10px;padding:16px}
.dd-col{min-width:0}
.dd-models{border-left:1px solid #EEF1F5;padding-left:10px;max-height:420px;overflow-y:auto}
.dd-models a{padding:8px 12px;font-size:15px}
.dd-head{display:block;padding:4px 12px 10px;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.1em;font-size:13px;font-weight:600;color:var(--muted)}
/* 面包屑 */
.crumb{background:var(--gray);border-bottom:1px solid #E6EAEF;font-size:13.5px;color:var(--muted)}
.crumb .wrap{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding-top:13px;padding-bottom:13px}
.crumb a{font-weight:600;color:var(--navy)}
.crumb a:hover{color:var(--orange)}
.crumb i{font-style:normal;opacity:.4}
.crumb span{color:var(--muted)}
/* 详情页竖排参数表 */
.spec-v tbody th{width:38%;min-width:190px}
.spec-v td{text-align:left}
.stats-inline{grid-template-columns:repeat(3,1fr);text-align:left;gap:20px;margin-top:30px;max-width:520px}
.stats-inline .num{font-size:clamp(30px,3.4vw,44px)}
.stats-inline .num-l{font-size:13px;margin-top:4px}
/* 卡片作为链接时 */
a.card{display:block;color:inherit}
a.card h4,a.card h3{color:var(--ink)}
/* 产品三大类导航条 */
.cat-strip{padding:34px 0 0}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.cat-card{display:block;padding:20px 22px;border:1px solid #E6EAEF;border-radius:var(--radius);background:#fff;transition:.2s;border-top:3px solid #E6EAEF}
.cat-card:hover{border-color:var(--orange);border-top-color:var(--orange);transform:translateY(-2px)}
.cat-card.on{border-top-color:var(--orange);background:var(--gray)}
.cat-card b{display:block;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.03em;font-size:20px;font-weight:600;color:var(--navy)}
.cat-card.on b,.cat-card:hover b{color:var(--orange)}
.cat-card em{display:block;font-style:normal;font-size:13px;color:var(--muted);margin-top:5px;line-height:1.4}
/* 卖点滚动高亮：暖灰底上的白卡，滚到哪张哪张悬浮 */
.spotlight{background:var(--spot-bg)}
.spot{background:#fff;border-radius:10px;padding:48px 52px;box-shadow:0 2px 8px rgba(17,20,24,.05);
  transition:box-shadow .5s cubic-bezier(.2,.7,.3,1),transform .5s cubic-bezier(.2,.7,.3,1),opacity .5s ease}
.spotlight.js .spot{opacity:.5}
.spotlight.js .spot.on{opacity:1;transform:translateY(-6px);
  box-shadow:0 28px 56px -14px rgba(17,20,24,.20),0 6px 18px rgba(17,20,24,.06)}
.spot .ph{background:#F7F7F6}
@media(prefers-reduced-motion:reduce){
  .spot{transition:opacity .3s ease}
  .spotlight.js .spot.on{transform:none}
}
@media(max-width:900px){
  .spot{padding:30px 24px}
  .spotlight.js .spot{opacity:1}
}
/* ============ 图片自动上片 ============
   占位框内注入 .ph-img 后：图片铺满、虚线框与说明文字自动隐藏 */
.ph{position:relative;overflow:hidden}
.ph-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;
  border-radius:inherit;animation:imgIn .5s ease}
@keyframes imgIn{from{opacity:0}to{opacity:1}}
.ph.has-img{border:none;background:none;color:transparent;font-size:0}
.cine-bg.has-img::after{content:"";position:absolute;inset:0;z-index:1}
.cine-bg .ph-img{z-index:0}
.cine.has-img .cine-tag,.cine-bg.has-img ~ .cine-tag,.ph.has-img>br{display:none}
@media(prefers-reduced-motion:reduce){.ph-img{animation:none}}

/* ============ 交互动效 ============ */
/* 滚动揭示：仅在 <html class="anim">（由 head 内联脚本添加）时生效，无 JS 全部照常显示 */
html.anim [data-rv]{opacity:0;transform:translateY(20px);
  transition:opacity .75s cubic-bezier(.16,.8,.3,1),transform .75s cubic-bezier(.16,.8,.3,1)}
html.anim [data-rv].in{opacity:1;transform:none}
/* 首屏入场序列 */
@keyframes heroRise{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
html.anim .hero-rise{opacity:0;animation:heroRise .85s cubic-bezier(.16,.8,.3,1) forwards}
/* 顶部滚动进度条 */
.scroll-prog{position:fixed;top:0;left:0;right:0;height:3px;background:var(--orange);
  transform:scaleX(0);transform-origin:left;z-index:60;transition:transform .1s linear;pointer-events:none}
/* 导航滚动收缩 */
nav{transition:box-shadow .3s,background .3s}
.nav-in,.nav-links>a,.nav-item{transition:height .28s cubic-bezier(.2,.7,.3,1)}
.logo{transition:font-size .28s cubic-bezier(.2,.7,.3,1)}
nav.shrunk{box-shadow:0 4px 20px rgba(17,20,24,.09);background:rgba(255,255,255,.96)}
nav.shrunk .nav-in,nav.shrunk .nav-links>a,nav.shrunk .nav-item{height:56px}
nav.shrunk .logo{font-size:22px}
/* 返回顶部 */
.to-top{position:fixed;left:22px;bottom:24px;z-index:60;width:46px;height:46px;border-radius:4px;
  border:1px solid #E6EAEF;background:#fff;color:var(--navy);font-size:20px;cursor:pointer;
  box-shadow:0 8px 22px rgba(17,20,24,.12);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:.28s;font-family:var(--font-display)}
.to-top.show{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:var(--orange);color:#fff;border-color:var(--orange)}
/* 时间轴刻度生长 */
html.anim .tl::before{transform:scaleX(0);transform-origin:left;transition:transform .55s .15s cubic-bezier(.16,.8,.3,1)}
html.anim .tl.in::before{transform:scaleX(1)}
/* 表格：悬停整行高亮 + 首列吸附（宽表在手机上可横向对照） */
tbody tr{transition:background .18s}
tbody tr:hover{background:#FFF8F4}
tbody tr:hover>th{background:#FDEBE1;color:var(--orange)}
.tbl-scroll table tbody th{position:sticky;left:0;z-index:1}
.tbl-scroll table thead th:first-child{position:sticky;left:0;z-index:2}
/* 产品卡图片微缩放 */
.prod .ph,.cat-card,.edu .ph{transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.prod{overflow:hidden}
.prod:hover .ph{transform:scale(1.035)}
/* 频率切换重入场 */
@keyframes freqIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.freq-in{animation:freqIn .45s cubic-bezier(.16,.8,.3,1) both}
/* FAQ 手风琴 */
.faq summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--font-display);font-size:28px;line-height:1;
  color:var(--orange);transition:transform .3s cubic-bezier(.2,.7,.3,1);flex-shrink:0}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details{transition:box-shadow .25s,transform .25s}
.faq details[open]{box-shadow:0 12px 30px rgba(17,20,24,.10)}
.faq details[open] p{animation:heroRise .4s cubic-bezier(.16,.8,.3,1) forwards}
/* 下拉菜单条目错峰 */
.nav-item:hover .dropdown a,.nav-item:focus-within .dropdown a{animation:heroRise .3s cubic-bezier(.16,.8,.3,1) backwards}
.dropdown a:nth-child(2){animation-delay:.03s}
.dropdown a:nth-child(3){animation-delay:.06s}
.dropdown a:nth-child(4){animation-delay:.09s}
@media(prefers-reduced-motion:reduce){
  html.anim [data-rv]{opacity:1;transform:none;transition:none}
  html.anim .hero-rise{opacity:1;animation:none}
  html.anim .tl::before{transform:none}
  .nav-item:hover .dropdown a{animation:none}
  .scroll-prog{transition:none}
}
/* ============ 满屏场景首屏 ============ */
.cine{position:relative;min-height:86vh;display:flex;align-items:center;overflow:hidden;background:#0E1A2E}
/* 图片位：换成实拍后把 background-image 指到照片即可 */
.cine-bg{position:absolute;inset:0;
  background:radial-gradient(120% 90% at 78% 42%, #35507A 0%, #1B2E4C 42%, #0E1A2E 78%)}
.cine-bg::after{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(8,15,26,.92) 0%, rgba(8,15,26,.74) 34%, rgba(8,15,26,.28) 62%, rgba(8,15,26,.10) 100%)}
.cine-tag{position:absolute;right:26px;bottom:22px;z-index:2;font-size:11.5px;letter-spacing:.06em;
  color:rgba(255,255,255,.45);border:1px dashed rgba(255,255,255,.3);padding:7px 12px;border-radius:4px;text-align:right;line-height:1.5}
.cine .wrap{position:relative;z-index:2;padding-top:96px;padding-bottom:96px}
.cine-in{max-width:720px}
.cine .kicker{color:var(--orange);font-size:16px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;margin-bottom:20px}
.cine h1{color:#fff;font-size:clamp(46px,7vw,92px);text-wrap:balance}
.cine .sub{color:rgba(255,255,255,.9);font-size:clamp(18px,2vw,26px);max-width:36ch}
.cine .hero-ctas{margin-top:38px}
.cine .btn-line{border-color:rgba(255,255,255,.75);color:#fff}
.cine .btn-line:hover{background:#fff;color:var(--navy)}
.scroll-cue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:2;
  color:rgba(255,255,255,.6);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  font-family:var(--font-display);display:flex;flex-direction:column;align-items:center;gap:8px}
.scroll-cue::after{content:"";width:1px;height:34px;background:linear-gradient(rgba(255,255,255,.65),rgba(255,255,255,0));
  animation:cueDrop 1.9s ease-in-out infinite}
@keyframes cueDrop{0%{opacity:0;transform:scaleY(.3);transform-origin:top}45%{opacity:1;transform:scaleY(1)}100%{opacity:0;transform:scaleY(1);transform-origin:bottom}}
@media(prefers-reduced-motion:reduce){.scroll-cue::after{animation:none}}
@media(max-width:760px){
  .cine{min-height:78vh}
  .cine-bg::after{background:linear-gradient(180deg,rgba(8,15,26,.72) 0%,rgba(8,15,26,.86) 100%)}
  .cine-tag{display:none}
}

/* ============ 经销商权益带（Jackery 版式 · ApexGen 配色） ============ */
.benefits{padding:88px 0 96px;background:var(--spot-bg)}
/* 顶部深色权益条 */
.bb{background:var(--navy);color:#fff;margin-bottom:72px}
.bb-in{display:flex;align-items:center;gap:0;padding-top:22px;padding-bottom:22px;flex-wrap:wrap}
.bb-title{font-family:var(--font-display);text-transform:uppercase;font-weight:700;font-size:19px;
  line-height:1.15;letter-spacing:.04em;padding-right:34px;margin-right:8px;border-right:1px solid rgba(255,255,255,.28)}
.bb-item{flex:1;min-width:190px;display:flex;flex-direction:column;align-items:center;gap:8px;
  padding:4px 20px;border-right:1px solid rgba(255,255,255,.28)}
.bb-item:last-child{border-right:none}
.bb-item i{display:block;width:38px;height:38px;color:#fff}
.bb-item svg{width:100%;height:100%;display:block}
.bb-item span{font-size:14.5px;font-weight:500;text-align:center;letter-spacing:.01em}
/* Bento 网格：左侧通栏大卡 + 2×2 小卡 */
.bento-h{margin-bottom:44px}
.bento{display:grid;grid-template-columns:repeat(3,1fr);grid-auto-rows:minmax(240px,auto);gap:14px}
.bx{position:relative;background:#fff;padding:34px 34px 38px;display:flex;flex-direction:column;
  transition:transform .35s cubic-bezier(.2,.7,.3,1),box-shadow .35s}
.bx:hover{transform:translateY(-4px);box-shadow:0 20px 44px -14px rgba(17,20,24,.20)}
.bx h3{margin-bottom:10px}
.bx p{font-size:14.5px;color:var(--muted);line-height:1.6}
.bx-ic{display:block;width:44px;height:44px;color:var(--navy);margin-bottom:auto}
.bx-ic svg{width:100%;height:100%;display:block}
.bx h3{margin-top:26px}
/* 强调卡（对应 Jackery 红卡）→ 品牌橙 */
.bx-accent{background:var(--orange);color:#fff}
.bx-accent h3,.bx-accent p{color:#fff}
.bx-accent p{color:rgba(255,255,255,.9)}
.bx-accent .bx-ic{color:#fff}
/* 暖砂卡 */
.bx-sand{background:#F3DFCB}
.bx-sand .bx-ic{color:var(--navy)}
.bx-sand p{color:#6B5844}
/* 左侧大卡（图片 + 文案叠加） */
.bx-tall{grid-row:span 2;padding:0;overflow:hidden;color:inherit}
.bx-img{position:absolute;inset:0;border-radius:0;border:none;background:#DDE4EC;font-size:12px}
.bx-over{position:relative;z-index:1;padding:34px;margin-top:auto;
  background:linear-gradient(to top,rgba(31,58,95,.94) 0%,rgba(31,58,95,.78) 62%,rgba(31,58,95,0) 100%);color:#fff}
.bx-over h3{color:#fff;margin-top:0}
.bx-over p{color:#C9D4E2;font-size:14.5px}
@media(max-width:1024px){
  .bento{grid-template-columns:repeat(2,1fr)}
  .bx-tall{grid-row:span 1;grid-column:span 2;min-height:320px}
}
@media(max-width:760px){
  .bento{grid-template-columns:1fr}
  .bx-tall{grid-column:span 1}
  .bb-in{gap:16px}
  .bb-title{border-right:none;width:100%;padding-right:0;text-align:center}
  .bb-item{border-right:none;min-width:44%}
}
/* ============ 卖点横向轮播 ============ */
.fc{background:var(--spot-bg);padding:96px 0}
.fc-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px}
.fc-head h2{margin:0}
.fc-nav{display:flex;gap:10px;flex-shrink:0}
.fc-nav button{width:52px;height:52px;border-radius:4px;border:1.5px solid #D7DDE5;background:#fff;
  color:var(--navy);font-size:20px;cursor:pointer;transition:.22s;font-family:var(--font-display);line-height:1}
.fc-nav button:hover{background:var(--orange);border-color:var(--orange);color:#fff}
.fc-nav button:disabled{opacity:.35;cursor:default}
.fc-nav button:disabled:hover{background:#fff;border-color:#D7DDE5;color:var(--navy)}
.fc-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;
  scroll-behavior:smooth;scrollbar-width:none;-ms-overflow-style:none;padding-bottom:4px}
.fc-track::-webkit-scrollbar{display:none}
.fc-slide{flex:0 0 100%;scroll-snap-align:start;background:#fff;border-radius:10px;
  box-shadow:0 2px 10px rgba(17,20,24,.05);display:grid;grid-template-columns:1fr 1fr;
  gap:48px;align-items:center;padding:52px 56px}
.fc-slide .ph{aspect-ratio:16/10}
.fc-slide h3{font-size:clamp(26px,3vw,40px);line-height:1.1;margin-bottom:18px}
.fc-slide .sub{margin-top:0}
.fc-count{font-family:var(--font-display);font-size:15px;letter-spacing:.08em;color:var(--muted);
  align-self:center;margin-right:6px;font-variant-numeric:tabular-nums}
.fc-dots{display:flex;gap:8px;justify-content:center;margin-top:32px}
.fc-dots button{width:34px;height:4px;border:none;border-radius:2px;background:#D7DDE5;cursor:pointer;
  padding:0;transition:.25s}
.fc-dots button.on{background:var(--orange);width:52px}
@media(max-width:900px){
  .fc-slide{grid-template-columns:1fr;padding:30px 24px;gap:26px}
  .fc-slide .ph{order:-1}
  .fc-head{flex-direction:column;align-items:flex-start}
  .fc-nav{align-self:flex-end}
}
/* ============ Milestones 里程碑（横线上下交替） ============ */
.milestones{padding:96px 0}
.tl2-wrap{position:relative;margin-top:44px}
.tl2-range{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);height:150px;z-index:0;
  background:linear-gradient(180deg,#F0F1F3 0%,#E4E7EB 100%);
  border:1px dashed #C6CDD6;border-radius:4px;
  display:flex;align-items:flex-end;justify-content:center;padding-bottom:10px;
  color:#9AA3AE;font-size:12px;letter-spacing:.05em}
/* 6 列栅格，每块跨 2 列（≈1/3 宽），上排起于 1/3/5 列、下排起于 2/4/6 列 → 上下错开半格 */
.tl2{position:relative;display:grid;grid-template-columns:repeat(6,1fr);
  grid-template-rows:1fr 1fr;column-gap:28px;min-height:560px}
.tl2::before{content:"";position:absolute;left:0;right:0;top:50%;height:3px;background:var(--orange);z-index:1}
.tl2-item{position:relative;z-index:2;grid-column:span 2;padding-right:16px}
.tl2-up:nth-of-type(1){grid-column:1/span 2}
.tl2-up:nth-of-type(3){grid-column:3/span 2}
.tl2-up:nth-of-type(5){grid-column:5/span 2}
.tl2-down:nth-of-type(2){grid-column:2/span 2}
.tl2-down:nth-of-type(4){grid-column:4/span 2}
.tl2-down:nth-of-type(6){grid-column:6/span 2}
.tl2-item b{display:block;font-family:var(--font-display);font-size:clamp(30px,3vw,42px);
  font-weight:600;color:var(--orange);line-height:1;margin-bottom:12px;letter-spacing:.01em}
.tl2-item p{font-size:14.5px;color:var(--muted);line-height:1.6}
.tl2-up{grid-row:1;align-self:end;padding-bottom:76px}
.tl2-down{grid-row:2;align-self:start;padding-top:76px}
/* 竖杆 + 圆点 */
.tl2-item::before{content:"";position:absolute;left:4px;width:2px;background:var(--orange)}
.tl2-item::after{content:"";position:absolute;left:-1px;width:12px;height:12px;border-radius:50%;background:var(--orange)}
.tl2-up::before{bottom:0;height:64px}
.tl2-up::after{bottom:58px}
.tl2-down::before{top:0;height:64px}
.tl2-down::after{top:58px}
html.anim .tl2-item::before{transform:scaleY(0);transition:transform .5s cubic-bezier(.16,.8,.3,1)}
html.anim .tl2-up::before{transform-origin:bottom}
html.anim .tl2-down::before{transform-origin:top}
html.anim .tl2-item.in::before{transform:scaleY(1)}
@media(max-width:900px){
  .tl2{grid-template-columns:1fr;grid-template-rows:none;min-height:0;row-gap:0;padding-left:26px}
  .tl2::before{left:4px;right:auto;top:0;bottom:0;width:3px;height:auto}
  .tl2-item,.tl2-up,.tl2-down{grid-row:auto;align-self:auto;padding:0 0 34px 0}
  .tl2-item::before{display:none}
  .tl2-item::after{left:-28px;top:8px;bottom:auto}
  .tl2-range{display:none}
}
/* ============ 工厂图库 ============ */
.fg{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:44px}
.fg-item{margin:0}
.fg-item .ph{aspect-ratio:4/3;font-size:12px;transition:transform .4s cubic-bezier(.2,.7,.3,1)}
.fg-item:hover .ph{transform:scale(1.03)}
.fg-item figcaption{padding-top:12px}
.fg-item figcaption b{display:block;font-family:var(--font-display);text-transform:uppercase;
  font-size:16px;font-weight:600;letter-spacing:.03em;color:var(--navy)}
.fg-item figcaption span{display:block;font-size:12.5px;color:var(--muted);margin-top:2px}
@media(max-width:1024px){.fg{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.fg{grid-template-columns:1fr}}
/* ============ 资质认证 ============ */
.cert-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.cert{display:flex;gap:22px;background:#fff;border:1px solid #E6EAEF;border-radius:var(--radius);
  padding:26px 28px;transition:.25s;border-left:4px solid #D7DDE5}
.cert.certified{border-left-color:var(--orange)}
.cert:hover{transform:translateY(-3px);box-shadow:0 14px 32px -12px rgba(17,20,24,.18)}
.cert-badge{flex-shrink:0;width:92px;height:92px;border:2px solid var(--navy);border-radius:6px;
  display:flex;align-items:center;justify-content:center;font-family:var(--font-display);
  font-weight:700;font-size:22px;color:var(--navy);text-align:center;letter-spacing:.02em;line-height:1.1;padding:6px}
.cert.certified .cert-badge{border-color:var(--orange);color:var(--orange)}
.cert-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.cert-body h3{margin:0}
.cert-region{font-size:12.5px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:4px 0 10px}
.cert-body p{font-size:14.5px;color:var(--ink);line-height:1.6}
.cert-note{font-size:13px;color:var(--muted);margin-top:8px}
.cert-pill{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.06em;font-size:12.5px;
  font-weight:600;padding:3px 10px;border-radius:3px;background:var(--gray);color:var(--muted)}
.cert-pill.on{background:#FDEBE1;color:var(--orange)}
@media(max-width:900px){.cert-grid{grid-template-columns:1fr}}
/* ============ 新闻中心 ============ */
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);margin-bottom:10px}
.news-meta.light{color:#B9C4D4}
.news-cat{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.08em;font-weight:600;
  color:var(--orange);font-size:13px}
.news-more{display:inline-block;margin-top:16px;color:var(--orange);font-weight:600;font-size:14.5px}
.news-feature{display:grid;grid-template-columns:1.25fr 1fr;gap:0;background:#fff;border:1px solid #E6EAEF;
  border-radius:var(--radius);overflow:hidden;transition:.3s;color:inherit}
.news-feature:hover{transform:translateY(-4px);box-shadow:0 20px 44px -14px rgba(17,20,24,.18)}
.news-feature .ph{aspect-ratio:16/10;border:none;border-radius:0}
.news-feature-body{padding:40px 44px;display:flex;flex-direction:column;justify-content:center}
.news-feature-body p{color:var(--muted);font-size:15.5px;line-height:1.65}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:16px}
.news-card{display:block;background:#fff;border:1px solid #E6EAEF;border-radius:var(--radius);
  overflow:hidden;padding:0 0 26px;transition:.3s;color:inherit}
.news-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px -14px rgba(17,20,24,.18)}
.news-card .ph{aspect-ratio:16/10;border:none;border-radius:0;margin-bottom:20px}
.news-card .news-meta,.news-card h3,.news-card p,.news-card .news-more{padding-left:26px;padding-right:26px}
.news-card p{font-size:14.5px;color:var(--muted);margin-top:8px;line-height:1.6}
.article-body h3{margin:38px 0 12px}
.article-body p{font-size:16.5px;line-height:1.75;color:#2A3340}
@media(max-width:900px){
  .news-feature{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
}
/* 配件卡中文副名 */
.acc-cn{font-size:13px;color:var(--muted);margin:-4px 0 10px;letter-spacing:.02em}
@media(max-width:900px){.cat-grid{grid-template-columns:1fr}}
.nav-cta{display:flex;align-items:center;gap:14px}
.lang{font-size:13px;font-weight:700;color:var(--muted)}
.lang b{color:var(--ink)}
.btn-nav{padding:10px 20px;font-size:14px}
/* 子页页头 */
.page-hero{background:var(--navy);color:#fff;padding:80px 0}
.page-hero .sub{color:#B9C4D4}
.page-hero .kicker{font-size:16px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);margin-bottom:16px}
/* HERO(首页) */
.hero{padding:96px 0 72px}
.hero-in{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:center}
.hero .kicker{font-size:16px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--orange);margin-bottom:18px}
.hero-ctas{margin-top:34px;display:flex;gap:16px;flex-wrap:wrap}
.hero-img{aspect-ratio:4/3}
/* 信任条 */
.trust{background:var(--gray);padding:52px 0}
.trust-in{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.num{font-family:var(--font-display);font-size:clamp(42px,5vw,68px);font-weight:600;color:var(--orange);letter-spacing:0;line-height:1;font-variant-numeric:tabular-nums}
.num-l{font-size:14px;font-weight:500;color:var(--muted);margin-top:10px}
/* 图文对分 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split .ph{aspect-ratio:16/10}
/* 三卡 */
.edu{grid-template-columns:repeat(3,1fr)}
.edu .ph{aspect-ratio:4/3;margin-bottom:18px}
.edu h3{margin-bottom:8px}
.edu p{font-size:15px;color:var(--muted)}
.sizing{background:var(--gray)}
/* 产品卡 */
.prod-cols{grid-template-columns:repeat(3,1fr)}
.prod-4{grid-template-columns:repeat(4,1fr)}
.prod .ph{aspect-ratio:4/3;margin-bottom:14px}
.prod .ph-img{object-fit:contain}
.prod h4{font-size:17px}
.prod .meta{font-size:13px;color:var(--muted);margin:6px 0 10px}
.badge{display:inline-block;font-family:var(--font-display);font-size:13px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;padding:3px 10px;border-radius:3px;background:var(--gray);color:var(--navy);margin-right:6px}
.badge.o{background:#FDEBE1;color:var(--orange)}
.line-title{font-family:var(--font-display);font-size:17px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--navy);margin:44px 0 20px;padding-bottom:10px;border-bottom:3px solid var(--orange)}
/* 表格 */
table{width:100%;border-collapse:collapse;font-size:15px;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:0 6px 24px rgba(17,20,24,.07)}
th,td{padding:15px 16px;text-align:center;border-bottom:1px solid #EEF1F5}
thead th{background:var(--navy);color:#fff;font-weight:600;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.05em;font-size:16px}
td,tbody th{font-variant-numeric:tabular-nums}
tbody th{text-align:left;font-weight:600;background:#FAFBFC}
td.yes{color:var(--orange);font-weight:600;font-family:var(--font-display);text-transform:uppercase;font-size:17px}
.tbl-scroll{overflow-x:auto}
.tbl-note{font-size:12px;color:var(--muted);margin-top:12px}
/* 双栏收口 */
.fp{grid-template-columns:1fr 1fr}
.fp .card{padding:38px}
.fp .dark-card{background:var(--navy);color:#fff}
.fp .dark-card p{color:#B9C4D4}
.fp h3{font-size:26px;margin-bottom:12px}
.fp p{font-size:15px;color:var(--muted);margin-bottom:10px}
.fp .ph{aspect-ratio:16/9;margin:18px 0}
.final{padding:110px 0}
.final .hero-ctas{justify-content:center}
/* 工厂展示屏（全宽通栏） */
.factory-band{aspect-ratio:32/9;min-height:240px;border-radius:0;border-left:none;border-right:none;margin:56px 0 60px}
.dark .num-l{color:#B9C4D4}
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;text-align:center}
.timeline{display:grid;grid-template-columns:repeat(5,1fr);margin-top:70px;border-top:2px solid rgba(255,255,255,.22)}
.tl{padding:24px 18px 0 0;position:relative}
.tl::before{content:"";position:absolute;top:-3px;left:0;width:36px;height:4px;background:var(--orange)}
.tl b{font-family:var(--font-display);font-size:30px;font-weight:600;color:var(--orange);display:block;line-height:1;letter-spacing:.02em}
.tl span{font-size:14px;color:#B9C4D4;display:block;margin-top:8px;line-height:1.45}
.factory-note{margin-top:26px;font-size:15px;color:#B9C4D4;text-align:center}
.factory-note b{color:#fff;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.04em;font-weight:600;font-size:17px}
/* 步骤条 */
.steps{grid-template-columns:repeat(4,1fr);counter-reset:step}
.step{position:relative;padding:28px;background:#fff;border-radius:var(--radius);box-shadow:0 6px 24px rgba(17,20,24,.07)}
.step::before{counter-increment:step;content:counter(step);display:flex;align-items:center;justify-content:center;width:46px;height:46px;border-radius:3px;background:var(--orange);color:#fff;font-family:var(--font-display);font-weight:600;font-size:26px;margin-bottom:14px}
.step h4{font-size:20px;margin-bottom:6px}
.step p{font-size:14px;color:var(--muted)}
/* FAQ */
.faq{max-width:820px;margin:0 auto}
.faq details{background:#fff;border-radius:var(--radius);box-shadow:0 4px 16px rgba(17,20,24,.06);padding:20px 24px;margin-bottom:14px}
.faq summary{font-weight:600;cursor:pointer;font-size:19px;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.02em}
.faq p{margin-top:12px;color:var(--muted);font-size:15px}
/* 频率切换 */
.freq-tabs{display:inline-flex;background:rgba(255,255,255,.1);border-radius:4px;padding:5px;gap:4px;margin-top:26px}
.freq-tabs button{border:none;background:transparent;padding:10px 26px;border-radius:3px;font-weight:600;font-size:17px;cursor:pointer;color:#B9C4D4;font-family:var(--font-display);text-transform:uppercase;letter-spacing:.05em}
.freq-tabs button.on{background:var(--orange);color:#fff}
[data-freq]{transition:.2s}
.freq-hide{display:none!important}
/* FOOTER */
footer{background:#0F1B2D;color:#B9C4D4;padding:64px 0 32px;font-size:14px}
.foot{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:44px}
footer h5{color:#fff;font-family:var(--font-display);font-size:17px;font-weight:600;margin-bottom:14px;letter-spacing:.08em;text-transform:uppercase}
footer a{display:block;margin-bottom:9px}
footer a:hover{color:var(--orange)}
.foot-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px}
/* WHATSAPP */
.wa{position:fixed;right:22px;bottom:22px;z-index:60;background:#25D366;color:#fff;border-radius:999px;padding:14px 22px;font-weight:800;box-shadow:0 10px 26px rgba(0,0,0,.25);display:flex;align-items:center;gap:8px}
.wa:hover{transform:scale(1.05)}
/* 表单 */
.quote{background:var(--gray)}
.qform{background:#fff;border-radius:var(--radius);box-shadow:0 6px 24px rgba(17,20,24,.07);padding:40px;max-width:720px;margin:40px auto 0}
.qgrid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.qform label{font-family:var(--font-display);font-size:15px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;display:block;margin-bottom:6px;color:var(--navy)}
.qform input,.qform select,.qform textarea{width:100%;padding:12px 14px;border:1.5px solid #D7DDE5;border-radius:4px;font-size:15px;font-family:var(--font-body)}
.qform input:focus,.qform select:focus,.qform textarea:focus{outline:none;border-color:var(--orange)}
.q-full{grid-column:1/-1}
@media(max-width:1024px){
  .prod-cols{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .hero-in,.split,.fp{grid-template-columns:1fr}
  .edu,.steps{grid-template-columns:1fr}
  .prod-cols{grid-template-columns:1fr}
  .trust-in{grid-template-columns:repeat(2,1fr)}
  .foot{grid-template-columns:1fr 1fr}
  .stats-row{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:1fr;border-top:none}
  .tl{border-top:2px solid rgba(255,255,255,.22);margin-top:14px}
  .factory-band{aspect-ratio:16/9;min-height:180px}
  .nav-links{display:none}
  .qgrid{grid-template-columns:1fr}
  section{padding:64px 0}
}

/* 新闻无图版 */
.news-feature{grid-template-columns:1fr;border-left:4px solid var(--orange)}
.news-feature-body{padding:44px 48px}
.news-card{padding-top:28px;border-top:3px solid var(--navy)}