@charset "utf-8";
/* ==========================================================================
   AICHEXI 木工机械 — 全站样式表
   --------------------------------------------------------------------------
   组件索引（页面复用请直接用这些类名）
   布局      : .container  .section  .section--tint  .section--dark  .grid-2/.grid-3/.grid-4
   区块标题  : .sec-head  .sec-head__eyebrow  .sec-head__title  .sec-head__desc  .sec-head__more
   头部      : .topbar  .site-header  .brand  .nav  .nav__item  .nav__drop  .nav-toggle  .head-actions
   按钮      : .btn  .btn--primary  .btn--amber  .btn--ghost  .btn--line  .btn--sm  .btn--block
   首页      : .hero  .hero__slide  .hero__inner  .hero__caption  .hero__nav  .hero__dots
              .prod-card  .feature  .stats  .stat  .flow  .flow__step
   栏目内容  : .page-hero  .crumb  .page-layout  .side-nav  .card  .card__media  .card__body
              .spec-table  .check-list  .download-list  .timeline  .faq  .pager
   新闻      : .news-tabs  .news-feature  .news-list  .news-item  .article
   表单      : .form  .form__row  .field  .field__label  .field__input  .form__note
   底部      : .site-footer  .foot-grid  .foot-col  .foot-hotline  .foot-qr  .foot-links  .foot-bottom
   其它      : .float-bar  .to-top  .reveal  .tag  .badge  .divider  .note  .table-scroll
   ========================================================================== */

/* ---------- 1. 变量 ---------- */
:root{
  --ink:#08172b;
  --ink-2:#0e2544;
  --navy:#0d4c94;
  --navy-2:#1567bd;
  --navy-3:#0a3a72;
  --navy-soft:#e8f0fa;
  --amber:#e98a15;
  --amber-2:#ffa733;
  --wood:#c07a35;
  --cyan:#2cc6d6;
  --text:#1b2a41;
  --text-2:#465a76;
  --muted:#6b7f9c;
  --line:#e3dbcf;
  --line-2:#f1ebe1;
  --bg:#f8f5ef;
  --white:#fff;
  --radius:4px;
  --radius-lg:8px;
  --shadow-s:0 1px 2px rgba(8,23,43,.06),0 2px 8px rgba(8,23,43,.05);
  --shadow-m:0 6px 18px rgba(8,23,43,.08),0 2px 6px rgba(8,23,43,.05);
  --shadow-l:0 18px 48px rgba(8,23,43,.14);
  --head-h:76px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --font-cn:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --font-en:"Inter","Segoe UI",Roboto,"Helvetica Neue",Arial,"Microsoft YaHei",sans-serif;
}

/* ---------- 2. 基础 ---------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--white);color:var(--text);
  font-family:var(--font-cn);font-size:15px;line-height:1.75;
  overflow-x:hidden;
}
html[lang="en"] body{font-family:var(--font-en)}
img,svg{max-width:100%;vertical-align:middle}
a{color:inherit;text-decoration:none;transition:color .22s var(--ease)}
a:hover{color:var(--navy-2)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.32;color:var(--ink)}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button{font-family:inherit}
input,textarea,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--navy-2);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
::selection{background:var(--navy);color:#fff}

.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}
.container--wide{max-width:1440px}
.section{padding:84px 0}
.section--sm{padding:56px 0}
.section--tint{background:var(--bg)}
.section--line{border-top:1px solid var(--line-2)}
.section--dark{background:linear-gradient(160deg,#071c33 0%,#0a3566 58%,#0d4c94 100%);color:#cddcee}
.section--dark h2,.section--dark h3,.section--dark h4{color:#fff}

.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.divider{height:1px;background:var(--line-2);border:0;margin:0}

/* ---------- 3. 区块标题 ---------- */
.sec-head{margin-bottom:46px;max-width:820px}
.sec-head--center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;max-width:none}
.sec-head__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-en);font-size:12px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--navy);margin-bottom:12px;
}
.sec-head__eyebrow::before{content:"";width:26px;height:2px;background:var(--amber)}
.section--dark .sec-head__eyebrow{color:var(--amber-2)}
.sec-head__title{font-size:34px;letter-spacing:-.4px}
.sec-head__title em{font-style:normal;color:var(--navy)}
.section--dark .sec-head__title em{color:var(--amber-2)}
.sec-head__desc{margin-top:14px;color:var(--text-2);font-size:15.5px;max-width:760px}
.sec-head--center .sec-head__desc{margin-left:auto;margin-right:auto}
.section--dark .sec-head__desc{color:#a8c0da}
.sec-head__more{
  flex:none;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--navy);white-space:nowrap;
  padding-bottom:4px;border-bottom:1px solid var(--line);
}
.sec-head__more:hover{border-color:var(--navy-2);gap:12px}
.sec-head__more svg{width:14px;height:14px;transition:transform .22s var(--ease)}
.sec-head__more:hover svg{transform:translateX(2px)}

/* ---------- 4. 按钮 / 标签 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 28px;border-radius:var(--radius);border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:all .24s var(--ease);white-space:nowrap;
}
.btn svg{width:16px;height:16px}
.btn--primary{background:var(--navy);color:#fff;box-shadow:0 6px 16px rgba(13,76,148,.26)}
.btn--primary:hover{background:var(--navy-2);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(13,76,148,.32)}
.btn--amber{background:var(--amber);color:#20130a;box-shadow:0 6px 16px rgba(233,138,21,.3)}
.btn--amber:hover{background:var(--amber-2);color:#20130a;transform:translateY(-2px)}
.btn--ghost{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.42);backdrop-filter:blur(4px)}
.btn--ghost:hover{background:#fff;color:var(--navy);border-color:#fff}
.btn--line{background:#fff;color:var(--navy);border-color:var(--line)}
.btn--line:hover{border-color:var(--navy);background:var(--navy-soft);color:var(--navy)}
.btn--sm{padding:10px 18px;font-size:13.5px}
.btn--block{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:14px}

.tag{
  display:inline-block;padding:3px 10px;border-radius:2px;
  font-size:12px;line-height:1.6;background:var(--navy-soft);color:var(--navy);font-weight:600;
}
.tag--amber{background:#fdf0dd;color:#a9600a}
.tag--line{background:transparent;border:1px solid var(--line);color:var(--text-2);font-weight:500}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:100px;
  font-size:12.5px;font-weight:700;background:var(--amber);color:#20130a;
}

/* ---------- 5. 顶部信息条 + 头部导航 ---------- */
.topbar{background:var(--ink);color:#93a9c4;font-size:13px;line-height:1}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:40px}
.topbar__left{display:flex;align-items:center;gap:22px;min-width:0}
.topbar__item{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.topbar__item svg{width:14px;height:14px;color:var(--cyan)}
.topbar__item strong{color:#fff;font-weight:600;letter-spacing:.02em}
.topbar a:hover{color:#fff}
.lang{display:inline-flex;align-items:center;border:1px solid rgba(255,255,255,.22);border-radius:100px;padding:3px;gap:2px}
.lang button{
  background:transparent;border:0;color:#93a9c4;font-size:12px;font-weight:600;
  padding:3px 11px;border-radius:100px;cursor:pointer;transition:all .2s var(--ease);
}
.lang button[aria-pressed="true"]{background:var(--navy-2);color:#fff}
.topbar__right{display:flex;align-items:center;gap:18px}

.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .3s var(--ease)}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(8,23,43,.09)}
.head-inner{display:flex;align-items:center;gap:26px;height:var(--head-h)}

.brand{display:flex;align-items:center;gap:13px;flex:0 1 auto;min-width:0}
.brand__mark{width:46px;height:46px;flex:none}
.brand__text{display:flex;flex-direction:column;line-height:1.15;min-width:0}
.brand__name{font-family:var(--font-en);font-size:21px;font-weight:800;letter-spacing:.1em;color:var(--ink)}
.brand__name span{color:var(--navy)}
.brand__sub{font-size:11.5px;color:var(--muted);letter-spacing:.14em}

.nav{margin-left:auto;display:flex;align-items:center;height:100%}
.nav__item{position:relative;height:100%;display:flex;align-items:center}
.nav__link{
  display:flex;align-items:center;gap:6px;height:100%;padding:0 17px;
  font-size:15.5px;font-weight:600;color:var(--text);position:relative;
}
.nav__link::after{
  content:"";position:absolute;left:17px;right:17px;bottom:0;height:3px;
  background:var(--navy);transform:scaleX(0);transform-origin:center;transition:transform .26s var(--ease);
}
.nav__item:hover .nav__link,.nav__link.is-active{color:var(--navy)}
.nav__item:hover .nav__link::after,.nav__link.is-active::after{transform:scaleX(1)}
.nav__link .caret{width:11px;height:11px;transition:transform .24s var(--ease);opacity:.6}
.nav__item:hover .caret{transform:rotate(180deg)}

.nav__drop{
  position:absolute;top:100%;left:50%;transform:translate(-50%,10px);
  min-width:238px;background:#fff;border:1px solid var(--line);border-top:3px solid var(--navy);
  border-radius:0 0 var(--radius) var(--radius);box-shadow:var(--shadow-l);
  padding:10px 0;opacity:0;visibility:hidden;transition:all .24s var(--ease);
}
.nav__item:hover .nav__drop{opacity:1;visibility:visible;transform:translate(-50%,0)}
.nav__drop a{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:10px 20px;font-size:14.5px;color:var(--text-2);border-left:3px solid transparent;
}
.nav__drop a:hover{background:var(--bg);color:var(--navy);border-left-color:var(--amber);padding-left:24px}
.nav__drop small{font-family:var(--font-en);font-size:11px;color:var(--muted);letter-spacing:.04em}
.nav__drop--wide{min-width:560px;display:grid;grid-template-columns:1fr 1fr;padding:14px 8px}

.head-actions{display:flex;align-items:center;gap:14px;flex:none}
.head-tel{display:flex;flex-direction:column;line-height:1.25;padding-left:18px;border-left:1px solid var(--line)}
.head-tel small{font-size:11.5px;color:var(--muted);letter-spacing:.06em}
.head-tel b{font-family:var(--font-en);font-size:17px;color:var(--navy);letter-spacing:.01em}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle svg{width:22px;height:22px;color:var(--ink)}

/* ---------- 6. 首页 Hero 轮播 ---------- */
.hero{position:relative;background:var(--ink);overflow:hidden}
.hero__viewport{position:relative;height:min(74vh,600px);min-height:440px}
.hero__slide{
  position:absolute;inset:0;opacity:0;visibility:hidden;transition:opacity .9s var(--ease);
  background-size:cover;background-position:center right;background-repeat:no-repeat;
}
.hero__slide.is-active{opacity:1;visibility:visible}
.hero__slide::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,20,38,.94) 0%,rgba(7,28,51,.82) 38%,rgba(7,28,51,.15) 72%,rgba(7,28,51,0) 100%)}
.hero__inner{position:relative;height:100%;display:flex;align-items:center}
.hero__caption{max-width:660px;color:#dce8f6;padding:24px 0}
.hero__kicker{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:20px;
  padding:6px 16px 6px 12px;border-radius:100px;background:rgba(44,198,214,.13);
  border:1px solid rgba(44,198,214,.36);color:#8fe6ef;font-size:13px;font-weight:600;letter-spacing:.04em;
}
.hero__kicker::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(44,198,214,.2)}
.hero__title{font-size:clamp(32px,4.4vw,54px);line-height:1.16;color:#fff;letter-spacing:-.6px;margin-bottom:20px}
.hero__title em{font-style:normal;color:var(--amber-2)}
.hero__desc{font-size:16.5px;color:#b6cbe2;max-width:560px;margin-bottom:16px}
.hero__points{display:flex;flex-wrap:wrap;gap:10px 26px;margin:22px 0 32px}
.hero__points li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:#cfe0f0}
.hero__points svg{width:17px;height:17px;flex:none;color:var(--amber-2)}
.hero__nav{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:52px;height:52px;border-radius:50%;border:1px solid rgba(255,255,255,.3);
  background:rgba(8,23,43,.35);color:#fff;display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .24s var(--ease);backdrop-filter:blur(4px);
}
.hero__nav:hover{background:#fff;color:var(--navy);border-color:#fff}
.hero__nav svg{width:20px;height:20px}
.hero__nav--prev{left:clamp(16px,3vw,48px)}
.hero__nav--next{right:clamp(16px,3vw,48px)}
.hero__dots{position:absolute;left:50%;transform:translateX(-50%);bottom:26px;z-index:5;display:flex;gap:12px}
.hero__dots button{
  width:34px;height:14px;border:0;border-radius:2px;background:transparent;
  cursor:pointer;padding:0;transition:width .3s var(--ease);position:relative;
}
.hero__dots button::before{
  content:"";position:absolute;left:0;right:0;top:5px;height:4px;border-radius:2px;
  background:rgba(255,255,255,.34);transition:background .3s var(--ease);
}
.hero__dots button.is-active{width:56px}
.hero__dots button.is-active::before{background:var(--amber)}

/* 首页数据条 */
.stats{background:var(--navy);color:#fff}
.stats__grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:34px 26px;text-align:center;border-right:1px solid rgba(255,255,255,.16)}
.stat:last-child{border-right:0}
.stat__num{font-family:var(--font-en);font-size:40px;font-weight:800;line-height:1;letter-spacing:-1px}
.stat__num i{font-style:normal;font-size:20px;font-weight:700;color:var(--amber-2);margin-left:3px}
.stat__label{margin-top:10px;font-size:14px;color:#bdd2ea}

/* ---------- 7. 产品卡片 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.prod-card{
  position:relative;display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  transition:all .3s var(--ease);
}
.prod-card::after{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--navy);
  transform:scaleX(0);transform-origin:left;transition:transform .34s var(--ease);
}
.prod-card:hover{box-shadow:var(--shadow-l);transform:translateY(-6px);border-color:#d9c9ae}
.prod-card:hover::after{transform:scaleX(1)}
.prod-card__media{
  position:relative;aspect-ratio:4/3;background:linear-gradient(165deg,#fdfbf7 0%,#f1e9dc 100%);
  display:flex;align-items:center;justify-content:center;padding:16px;overflow:hidden;
}
.prod-card__media img{max-height:100%;transition:transform .45s var(--ease)}
.prod-card:hover .prod-card__media img{transform:scale(1.06)}
.prod-card__code{
  position:absolute;left:14px;top:14px;padding:3px 10px;border-radius:2px;
  background:rgba(8,23,43,.78);color:#cfe0f0;font-family:var(--font-en);font-size:12px;
  font-weight:600;letter-spacing:.06em;
}
.prod-card__body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.prod-card__title{font-size:19px;margin-bottom:10px}
.prod-card__desc{color:var(--text-2);font-size:14.5px;flex:1}
.prod-card__meta{display:flex;flex-wrap:wrap;gap:7px;margin:16px 0 18px}
.prod-card__foot{display:flex;align-items:center;justify-content:space-between;padding-top:16px;border-top:1px solid var(--line-2)}
.prod-card__link{display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:600;color:var(--navy)}
.prod-card__link:hover{gap:12px}
.prod-card__link svg{width:14px;height:14px}
.prod-card__ask{font-size:13px;color:var(--muted)}

/* 产品筛选 */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:34px}
.filter-bar button{
  padding:9px 20px;border:1px solid var(--line);background:#fff;border-radius:100px;
  font-size:14px;color:var(--text-2);cursor:pointer;transition:all .22s var(--ease);
}
.filter-bar button:hover{border-color:var(--navy-2);color:var(--navy)}
.filter-bar button.is-active{background:var(--navy);border-color:var(--navy);color:#fff;font-weight:600}

/* ---------- 8. 能力 / 特性 ---------- */
.feature{display:flex;gap:18px}
.feature__icon{
  flex:none;width:56px;height:56px;border-radius:var(--radius-lg);
  background:var(--navy-soft);display:flex;align-items:center;justify-content:center;color:var(--navy);
}
.feature__icon svg{width:27px;height:27px}
.feature__title{font-size:17.5px;margin-bottom:8px}
.feature__desc{color:var(--text-2);font-size:14.5px}
.section--dark .feature__icon{background:rgba(44,198,214,.14);color:var(--cyan)}
.section--dark .feature__desc{color:#a8c0da}

.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 28px;
  transition:all .3s var(--ease);height:100%;
}
.feature-card:hover{border-color:#d9c9ae;box-shadow:var(--shadow-m);transform:translateY(-4px)}
/* 深色区块内改为玻璃卡片，避免白底白字 */
.section--dark .feature-card{background:rgba(255,255,255,.07);border-color:rgba(255,255,255,.16);backdrop-filter:blur(2px)}
.section--dark .feature-card:hover{background:rgba(255,255,255,.12);border-color:rgba(44,198,214,.5);box-shadow:none}
.section--dark .feature-card p{color:#a8c0da}
.section--dark .feature-card .feature-card__icon{background:rgba(44,198,214,.14);color:var(--cyan)}
.feature-card__icon{width:50px;height:50px;border-radius:10px;background:var(--navy-soft);color:var(--navy);display:flex;align-items:center;justify-content:center;margin-bottom:18px}
.feature-card__icon svg{width:25px;height:25px}
.feature-card h3{font-size:18px;margin-bottom:10px}
.feature-card p{color:var(--text-2);font-size:14.5px}
.feature-card__no{font-family:var(--font-en);font-size:13px;font-weight:800;color:var(--amber);letter-spacing:.1em}

/* 加工流程 */
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:flow}
.flow__step{position:relative;padding:26px 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg)}
.flow__step::before{
  counter-increment:flow;content:counter(flow,decimal-leading-zero);
  font-family:var(--font-en);font-size:13px;font-weight:800;color:var(--amber);letter-spacing:.08em;
}
.flow__step h4{font-size:16px;margin:10px 0 8px}
.flow__step p{font-size:13.8px;color:var(--text-2)}
.flow__step::after{
  content:"";position:absolute;right:-14px;top:50%;width:10px;height:10px;
  border-top:2px solid var(--line);border-right:2px solid var(--line);
  transform:translateY(-50%) rotate(45deg);
}
.flow__step:last-child::after{display:none}

/* ---------- 9. 应用方案 ---------- */
.sol-card{
  position:relative;display:block;border-radius:var(--radius-lg);overflow:hidden;
  background:linear-gradient(160deg,#f3f7fc 0%,#e2ebf6 100%);color:#fff;min-height:300px;
  border:1px solid var(--line);
  transition:transform .3s var(--ease),box-shadow .3s var(--ease);
}
.sol-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-l);color:#fff}
.sol-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center top;padding:18px 20px 96px;opacity:1;transition:transform .5s var(--ease)}
.sol-card:hover img{transform:scale(1.04)}
.sol-card__body{position:relative;padding:30px 28px;height:100%;display:flex;flex-direction:column;justify-content:flex-end;min-height:300px;
  background:linear-gradient(180deg,rgba(8,23,43,0) 0%,rgba(8,23,43,.34) 42%,rgba(8,23,43,.92) 80%)}
.sol-card__tag{font-size:12.5px;color:var(--amber-2);font-weight:600;letter-spacing:.08em;margin-bottom:10px}
.sol-card__title{font-size:21px;color:#fff;margin-bottom:10px}
.sol-card__desc{font-size:14px;color:#c6d7e9}

/* ---------- 10. 新闻 / 文章 ---------- */
.news-tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:0}
.news-tabs button{
  position:relative;background:transparent;border:0;padding:14px 22px;font-size:16px;font-weight:600;
  color:var(--muted);cursor:pointer;transition:color .22s var(--ease);
}
.news-tabs button::after{content:"";position:absolute;left:22px;right:22px;bottom:-1px;height:3px;background:var(--navy);transform:scaleX(0);transition:transform .26s var(--ease)}
.news-tabs button.is-active{color:var(--navy)}
.news-tabs button.is-active::after{transform:scaleX(1)}
.news-panel{display:none}
.news-panel.is-active{display:block}

.news-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.news-feature{display:block;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff;transition:all .3s var(--ease)}
.news-feature:hover{box-shadow:var(--shadow-l);transform:translateY(-4px)}
.news-feature__media{aspect-ratio:16/9;background:linear-gradient(160deg,#f6fafe,#e6eef8);display:flex;align-items:center;justify-content:center;padding:20px}
.news-feature__media img{max-height:100%}
.news-feature__body{padding:26px 28px 30px}
.news-feature__date{font-family:var(--font-en);font-size:13px;color:var(--amber);font-weight:700;letter-spacing:.06em}
.news-feature__title{font-size:21px;margin:10px 0 12px}
.news-feature__desc{color:var(--text-2);font-size:14.5px}

.news-list{display:flex;flex-direction:column}
/* 分页：文章全部在 HTML 里（搜索引擎照样抓得到），前端只显示当前页 */
.news-item[data-page]{display:none}
.news-item[data-page].is-cur{display:flex}
/* 头条只在第 1 页显示 */
.news-panel[data-cur]:not([data-cur="1"]) .news-feature{display:none}

.news-pager{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  margin-top:32px;padding-top:24px;border-top:1px solid var(--line);
}
.pager__btn{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 18px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;color:var(--navy);font:700 14px/1 inherit;cursor:pointer;
  transition:all .2s var(--ease);
}
.pager__btn:hover:not([disabled]){border-color:var(--navy);background:var(--navy-soft)}
.pager__btn[disabled]{opacity:.38;cursor:default}
.pager__btn svg{width:14px;height:14px;flex:none}
.pager__info{font-size:14px;color:var(--muted)}
.pager__info b{color:var(--navy);font-size:17px;font-family:var(--font-en)}
.news-count{margin:0;text-align:center;font-size:14px;line-height:1.9;color:var(--muted)}
.news-count b{color:var(--navy);font-size:16px}
.news-item{display:flex;gap:20px;padding:20px 0;border-bottom:1px dashed var(--line)}
.news-item:first-child{padding-top:0}
.news-item__date{
  flex:none;width:70px;height:70px;border-radius:var(--radius);background:var(--navy-soft);
  display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.15;
}
.news-item__date b{font-family:var(--font-en);font-size:24px;color:var(--navy)}
.news-item__date span{font-size:12px;color:var(--muted)}
.news-item__body{min-width:0}
.news-item__title{font-size:16.5px;margin-bottom:7px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.news-item__desc{font-size:13.8px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item:hover .news-item__title{color:var(--navy)}

.article{max-width:880px}
.article__head{padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:32px}
.article__title{font-size:31px;line-height:1.34;margin-bottom:16px}
.article__meta{display:flex;flex-wrap:wrap;gap:18px;font-size:13.5px;color:var(--muted)}
.article__meta span{display:inline-flex;align-items:center;gap:6px}
.article__meta svg{width:14px;height:14px}
/* 文章正文排版：首行缩进 2 字、1.9 倍行距、两端对齐，适合中文长文阅读 */
.article p{color:#2c3d57;font-size:16px;line-height:1.9;margin-bottom:1.15em;text-align:justify;text-indent:2em}
.article .quote p{text-indent:0}
/* 核心要点框：给搜索引擎和 AI 引擎摘录用的"开门见山"段落 */
.article__lead{
  margin:0 0 30px;padding:20px 24px;background:var(--navy-soft);
  border-left:4px solid var(--navy);border-radius:0 var(--radius) var(--radius) 0;
}
.article__lead>b{display:block;font-size:14px;color:var(--navy);letter-spacing:.06em;margin-bottom:8px}
.article__lead p{text-indent:0;margin:0;font-size:15.5px;line-height:1.85;color:#22364f}
/* 文末声明：原创 / 内容来源，样式比正文弱，不抢阅读注意力 */
.article__decl{
  margin:34px 0 4px;padding:14px 18px;background:#f6f8fb;
  border:1px dashed #d3dde9;border-radius:var(--radius);
}
.article__decl>b{display:block;font-size:12.5px;font-weight:700;color:#8b98ab;letter-spacing:.08em;margin-bottom:6px}
.article__decl p{text-indent:0;margin:0;font-size:13.5px;line-height:1.85;color:#6b7a8c}

/* ==================== 培训站：视频区块（外站播放器，16:9） ==================== */
.video-box{margin:0 0 30px}
.video-box__frame{
  position:relative;padding-top:56.25%;
  background:#0b1220;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
}
.video-box__frame iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}
.video-box__note{margin:10px 0 0;font-size:13.5px;color:var(--muted)}
.video-box--empty .video-box__ph{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:9px;
  padding:56px 20px;background:#f5f8fc;border:1px dashed #cfdbe9;
  border-radius:var(--radius-lg);text-align:center;
}
.video-box__ph b{font-size:16.5px;color:var(--navy)}
.video-box__ph span{font-size:13.5px;color:#8b98ab;max-width:520px;line-height:1.7}
.video-box__ph a{font-size:13.5px;color:var(--navy)}
.article h2{font-size:22px;line-height:1.45;margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--amber);color:var(--navy);font-weight:700}
.article h3{font-size:19px;line-height:1.5;margin:30px 0 14px;padding-left:14px;border-left:4px solid var(--amber);color:var(--navy);font-weight:700}
.article strong,.article b{color:#16283f;font-weight:700}
.article img{max-width:100%;height:auto}
.article ul{margin:0 0 1.2em;padding-left:2px}
.article ul li{position:relative;padding-left:22px;margin-bottom:10px;color:#2c3d57;font-size:15.5px;line-height:1.8}
.article ul li::before{content:"";position:absolute;left:4px;top:12px;width:6px;height:6px;border-radius:50%;background:var(--navy-2)}
.article figure{margin:28px 0}
.article figure img{border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--bg)}
.article figcaption{font-size:13.5px;color:var(--muted);text-align:center;margin-top:10px}
.quote{
  margin:28px 0;padding:24px 26px 24px 30px;background:var(--navy-soft);
  border-left:4px solid var(--navy);border-radius:0 var(--radius) var(--radius) 0;color:#22364f;
}
.note{padding:18px 22px;background:#fff8ec;border:1px solid #f3dfbe;border-radius:var(--radius);font-size:14.5px;color:#7a5514}
.pager{display:flex;justify-content:space-between;gap:20px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.pager a{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;color:var(--text-2);max-width:46%}
.pager a:hover{color:var(--navy)}
.pager svg{width:15px;height:15px;flex:none}

/* ---------- 11. 内页头图 / 面包屑 ---------- */
.page-hero{
  position:relative;background:linear-gradient(120deg,#071c33 0%,#0a3566 55%,#0d4c94 100%);
  color:#cfe0f0;padding:64px 0 58px;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:460px;height:460px;border-radius:50%;
  background:radial-gradient(circle,rgba(44,198,214,.24) 0%,rgba(44,198,214,0) 68%);
}
.page-hero__grid{
  position:absolute;inset:0;opacity:.13;
  background-image:linear-gradient(rgba(255,255,255,.5) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:64px 64px;
}
.page-hero__inner{position:relative;display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap}
.page-hero h1,.page-hero__title{font-size:clamp(27px,3.4vw,40px);color:#fff;letter-spacing:-.4px;font-weight:700;line-height:1.2;margin:0}
.page-hero__en{font-family:var(--font-en);font-size:13px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px}
.page-hero__desc{margin-top:14px;max-width:720px;color:#b6cbe2;font-size:15.5px}
.crumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:#9db4cd;flex-wrap:wrap}
.crumb a:hover{color:#fff}
.crumb svg{width:12px;height:12px;opacity:.6}
.crumb span{color:#fff}

/* ---------- 12. 内页布局 + 侧栏 ---------- */
.page-layout{display:grid;grid-template-columns:270px 1fr;gap:46px;align-items:start}
.side-nav{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff}
.side-nav__title{padding:20px 22px;background:var(--navy);color:#fff;font-size:17px;font-weight:700}
.side-nav__title small{display:block;font-family:var(--font-en);font-size:11px;letter-spacing:.14em;opacity:.72;font-weight:600;margin-top:3px}
.side-nav li a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 22px;font-size:14.8px;color:var(--text-2);border-bottom:1px solid var(--line-2);border-left:3px solid transparent}
.side-nav li:last-child a{border-bottom:0}
.side-nav li a:hover{background:var(--bg);color:var(--navy);border-left-color:var(--navy-2)}
.side-nav li a.is-active{background:var(--navy-soft);color:var(--navy);font-weight:700;border-left-color:var(--amber)}
.side-nav li a svg{width:13px;height:13px;opacity:.5}
.side-block{margin-top:26px;padding:26px 24px;border-radius:var(--radius-lg);background:linear-gradient(150deg,#0a3566,#0d4c94);color:#cfe0f0}
.side-block h4{color:#fff;font-size:17px;margin-bottom:12px}
.side-block p{font-size:13.8px;color:#b6cbe2;margin-bottom:18px}
.side-block__tel{display:block;font-family:var(--font-en);font-size:23px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.01em}
.side-block .btn--amber{width:100%}

.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden}
.card__media{background:linear-gradient(165deg,#fdfbf7,#f1e9dc);padding:30px;display:flex;align-items:center;justify-content:center;border-bottom:1px solid var(--line-2)}
.card__body{padding:26px 28px}
.card__body h3{font-size:19px;margin-bottom:10px}
.card--pad{padding:30px}

/* 参数表 */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-lg);position:relative;-webkit-overflow-scrolling:touch}
.scroll-hint{display:none;margin:9px 0 0;text-align:center;font-size:12.5px;color:var(--muted)}
.spec-table{width:100%;border-collapse:collapse;min-width:560px;font-size:14.5px;background:#fff}
.spec-table caption{caption-side:top;text-align:left;padding:16px 20px;font-weight:700;color:var(--ink);background:var(--bg);border-bottom:1px solid var(--line)}
.spec-table th,.spec-table td{padding:13px 20px;border-bottom:1px solid var(--line-2);text-align:left;vertical-align:top}
.spec-table th{width:34%;color:var(--text-2);font-weight:600;background:#fbf8f2}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.spec-table td strong{color:var(--navy)}
.spec-table--two th{width:22%}

/* 清单 */
.check-list li{position:relative;padding:9px 0 9px 30px;font-size:15px;color:#2c3d57;border-bottom:1px dashed var(--line-2)}
.check-list li:last-child{border-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:2px;top:16px;width:14px;height:8px;
  border-left:2px solid var(--amber);border-bottom:2px solid var(--amber);transform:rotate(-45deg);
}

/* 下载 */
.download-list li{display:flex;align-items:center;gap:18px;padding:18px 22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);margin-bottom:12px;transition:all .24s var(--ease)}
.download-list li:hover{border-color:#d9c9ae;box-shadow:var(--shadow-m)}
.download-list__icon{flex:none;width:44px;height:44px;border-radius:var(--radius);background:var(--navy-soft);color:var(--navy);display:flex;align-items:center;justify-content:center}
.download-list__icon svg{width:22px;height:22px}
.download-list__body{flex:1;min-width:0}
.download-list__body b{display:block;font-size:15.5px;color:var(--ink);font-weight:600}
.download-list__body span{font-size:13px;color:var(--muted)}

/* 时间线 */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--line)}
.timeline li{position:relative;padding-bottom:30px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-30px;top:7px;width:12px;height:12px;border-radius:50%;background:#fff;border:3px solid var(--navy-2)}
.timeline__year{font-family:var(--font-en);font-size:19px;font-weight:800;color:var(--navy);letter-spacing:.02em}
.timeline h4{font-size:16.5px;margin:4px 0 6px}
.timeline p{font-size:14.5px;color:var(--text-2)}

/* FAQ */
.faq{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:#fff}
.faq details{border-bottom:1px solid var(--line-2)}
.faq details:last-child{border-bottom:0}
.faq summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 24px;position:relative;
  font-size:16px;font-weight:600;color:var(--ink);transition:background .22s var(--ease);
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{background:var(--bg)}
.faq summary::after{
  content:"";position:absolute;right:24px;top:50%;width:11px;height:11px;
  border-right:2px solid var(--navy);border-bottom:2px solid var(--navy);
  transform:translateY(-70%) rotate(45deg);transition:transform .26s var(--ease);
}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq details[open] summary{color:var(--navy);background:var(--bg)}
.faq__body{padding:2px 24px 22px;color:var(--text-2);font-size:14.8px}

/* ---------- 13. 表单 ---------- */
.form{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:32px}
.form--dark{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18)}
.form__grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form__row{margin-bottom:18px}
.field{display:flex;flex-direction:column;gap:7px}
.field__label{font-size:13.8px;font-weight:600;color:var(--text-2)}
.field__label i{color:#d64545;font-style:normal;margin-left:3px}
.field__input{
  width:100%;padding:12px 15px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fcfaf6;color:var(--text);font-size:15px;transition:all .2s var(--ease);
}
.field__input:hover{border-color:#d9c9ae}
.field__input:focus{outline:0;border-color:var(--navy-2);background:#fff;box-shadow:0 0 0 3px rgba(21,103,189,.12)}
textarea.field__input{min-height:130px;resize:vertical;line-height:1.7}
.field__hint{font-size:12.5px;color:var(--muted)}
.form__note{margin-top:16px;font-size:13px;color:var(--muted);line-height:1.7}
.form-msg{display:none;margin-top:16px;padding:14px 18px;border-radius:var(--radius);font-size:14.5px}
.form-msg.is-ok{display:block;background:#eaf7ee;border:1px solid #bfe3c9;color:#1d6b38}
.form-msg.is-err{display:block;background:#fdeeee;border:1px solid #f2c6c6;color:#9c2b2b}
.form--dark .field__label{color:#cfe0f0}
.form--dark .field__input{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.22);color:#fff}
.form--dark .field__input::placeholder{color:#8ba4bf}

/* ---------- 14. 联系信息 ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);padding:30px 28px;transition:all .3s var(--ease)}
.contact-card:hover{border-color:#d9c9ae;box-shadow:var(--shadow-m);transform:translateY(-4px)}
.contact-card__icon{width:48px;height:48px;border-radius:var(--radius);background:var(--navy-soft);color:var(--navy);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.contact-card__icon svg{width:24px;height:24px}
.contact-card h3{font-size:16.5px;margin-bottom:8px}
.contact-card p{font-size:14.8px;color:var(--text-2)}
.contact-card b{font-family:var(--font-en);font-size:19px;color:var(--navy);letter-spacing:.01em}

.map-frame{position:relative;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--bg);min-height:340px;display:flex;align-items:center;justify-content:center}
.map-frame img{width:100%;display:block}
.map-frame__tip{position:absolute;left:0;right:0;bottom:0;padding:16px 22px;background:rgba(8,23,43,.86);color:#cfe0f0;font-size:14px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.map-frame__tip svg{width:16px;height:16px;color:var(--cyan)}

/* ---------- 15. CTA 通栏 ---------- */
.cta{position:relative;background:linear-gradient(120deg,#0a3566,#0d4c94 60%,#1567bd);color:#fff;padding:56px 0;overflow:hidden}
.cta::after{content:"";position:absolute;right:-60px;bottom:-140px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(233,138,21,.3) 0%,rgba(233,138,21,0) 70%)}
.cta__inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta h2{font-size:28px;color:#fff}
.cta p{color:#c3d8ee;margin-top:8px;font-size:15px}
.cta__side{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.cta__tel{display:flex;flex-direction:column}
.cta__tel small{font-size:12.5px;color:#a8c0da;letter-spacing:.06em}
.cta__tel b{font-family:var(--font-en);font-size:28px;font-weight:800;letter-spacing:.01em}

/* ---------- 16. 页脚 ---------- */
.site-footer{background:var(--ink);color:#8fa5bf;font-size:14px;padding-top:0}
.foot-cta{background:var(--navy);padding:26px 0}
.foot-cta__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;color:#fff}
.foot-cta b{font-size:20px}
.foot-cta__tel{display:flex;align-items:baseline;gap:12px}
.foot-cta__tel span{font-size:13.5px;color:#bdd2ea}
.foot-cta__tel strong{font-family:var(--font-en);font-size:26px;letter-spacing:.01em}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1.3fr;gap:34px;padding:56px 0 44px}
.foot-col h4{color:#fff;font-size:16px;margin-bottom:20px;position:relative;padding-bottom:12px}
.foot-col h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--amber)}
.foot-col li{margin-bottom:11px}
.foot-col a{color:#8fa5bf;font-size:14px}
.foot-col a:hover{color:#fff;padding-left:3px}
.foot-about p{line-height:1.85;color:#8fa5bf;margin-bottom:18px}
.foot-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.foot-brand .brand__name{color:#fff}
.foot-brand .brand__sub{color:#8fa5bf}
.foot-contact li{display:flex;gap:11px;margin-bottom:15px;line-height:1.65}
.foot-contact svg{width:16px;height:16px;flex:none;margin-top:4px;color:var(--cyan)}
.foot-contact b{color:#fff;font-family:var(--font-en);font-size:15.5px}
.foot-qr{display:flex;gap:20px;margin-top:20px}
.foot-qr figure{margin:0;text-align:center}
.foot-qr img{width:88px;height:88px;border-radius:var(--radius);background:#fff;padding:5px}
.foot-qr figcaption{font-size:12px;margin-top:7px;color:#8fa5bf}
.foot-hotline{display:block;font-family:var(--font-en);font-size:25px;font-weight:800;color:#fff;margin:4px 0 6px}
.foot-links{border-top:1px solid rgba(255,255,255,.1);padding:20px 0;display:flex;gap:12px;flex-wrap:wrap;align-items:center;font-size:13.5px}
.foot-links b{color:#fff;font-weight:600}
.foot-links a{color:#8fa5bf}
.foot-links a:hover{color:#fff}
.foot-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;font-size:13px;color:#7c93ae}
.foot-bottom a{color:#7c93ae}
.foot-bottom a:hover{color:#fff}
.foot-bottom__links{display:flex;gap:18px;flex-wrap:wrap}

/* ---------- 17. 浮动 / 其它 ---------- */
.float-bar{position:fixed;right:18px;bottom:96px;z-index:70;display:flex;flex-direction:column;gap:10px}
.float-bar a{
  width:52px;height:52px;border-radius:var(--radius);background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-m);display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:2px;color:var(--navy);font-size:10.5px;transition:all .24s var(--ease);
}
.float-bar a:hover{background:var(--navy);color:#fff;border-color:var(--navy);transform:translateX(-4px)}
.float-bar svg{width:20px;height:20px}
.float-bar a.is-primary{background:var(--amber);border-color:var(--amber);color:#20130a}
.float-bar a.is-primary:hover{background:var(--amber-2);color:#20130a}
.to-top{
  position:fixed;right:18px;bottom:28px;z-index:70;width:52px;height:52px;border-radius:var(--radius);
  border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-m);color:var(--navy);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;visibility:hidden;transition:all .3s var(--ease);
}
.to-top.is-on{opacity:1;visibility:visible}
.to-top:hover{background:var(--navy);color:#fff;border-color:var(--navy)}
.to-top svg{width:20px;height:20px}

.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* ---------- 18. 响应式 ---------- */
@media (max-width:1180px){
  .container{padding:0 20px}
  .nav__link{padding:0 12px;font-size:15px}
  .nav__link::after{left:12px;right:12px}
  .head-tel{display:none}
  .foot-grid{grid-template-columns:1fr 1fr 1fr;gap:30px}
  .foot-col--about{grid-column:1/-1}
  .flow{grid-template-columns:repeat(3,1fr)}
  .flow__step::after{display:none}
}
@media (max-width:980px){
  :root{--head-h:66px}
  .topbar__left .topbar__item:not(:nth-child(2)){display:none}
  .nav-toggle{display:flex}
  .nav{
    position:absolute;top:100%;left:0;right:0;background:#fff;
    flex-direction:column;align-items:stretch;height:auto;
    max-height:calc(100vh - var(--head-h));overflow-y:auto;
    padding:12px 0 44px;margin-left:0;
    transform:translateX(100%);transition:transform .32s var(--ease);
    border-top:1px solid var(--line);box-shadow:0 20px 44px rgba(8,23,43,.18);
  }
  .nav.is-open{transform:none}
  .nav__item{display:block;height:auto;border-bottom:1px solid var(--line-2)}
  .nav__link{height:auto;padding:16px 22px;justify-content:space-between}
  .nav__link::after{display:none}
  .nav__link.is-active{background:var(--navy-soft)}
  .nav__drop{
    position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;
    border:0;border-radius:0;background:var(--bg);padding:6px 0;display:none;min-width:0;
  }
  .nav__drop--wide{grid-template-columns:1fr;padding:6px 0}
  .nav__item.is-open .nav__drop{display:block}
  .nav__item.is-open .caret{transform:rotate(180deg)}
  .nav__drop a{padding:12px 26px}
  .grid-2,.grid-3,.grid-4,.prod-grid,.contact-grid,.news-layout{grid-template-columns:repeat(2,1fr)}
  .news-layout{gap:28px}
  .page-layout{grid-template-columns:1fr;gap:34px}
  .side-nav{display:none}
  .social-proof,.stats__grid{grid-template-columns:repeat(2,1fr)}
  .stat{border-bottom:1px solid rgba(255,255,255,.16)}
  .section{padding:60px 0}
  .sec-head{margin-bottom:34px}
  .sec-head__title{font-size:27px}
  .hero__viewport{height:auto;min-height:0;padding:56px 0 76px}
  .hero__slide{position:relative;inset:auto;display:none}
  .hero__slide.is-active{display:block}
  .hero__slide::before{background:linear-gradient(180deg,rgba(6,20,38,.9),rgba(7,28,51,.78))}
  .hero__inner{padding:0}
  .hero__nav{display:none}
  .hero__dots{bottom:24px}
  .article__title{font-size:25px}
}
@media (max-width:720px){
  body{font-size:14.5px;overflow-wrap:break-word}
  .grid-2,.grid-3,.grid-4,.prod-grid,.contact-grid,.news-layout,.form__grid,.social-proof{grid-template-columns:1fr}
  .stats__grid{grid-template-columns:1fr 1fr}
  .flow{grid-template-columns:1fr}
  .container{padding:0 16px}
  .topbar{font-size:12px}
  .topbar__inner{gap:12px}
  .topbar__right .topbar__item{display:none}
  /* 头部压缩，避免窄屏横向溢出 */
  .head-inner{gap:8px}
  .brand{gap:9px}
  .brand__mark{width:38px;height:38px}
  .brand__name{font-size:17px}
  .brand__sub{display:none}
  .head-actions{gap:8px}
  .head-actions .btn--sm{padding:10px 13px;font-size:13px}
  .nav-toggle{width:42px;height:42px}
  .nav{top:calc(var(--head-h) + 40px)}
  .hero{overflow:hidden}
  .hero__title{font-size:27px;overflow-wrap:anywhere}
  .hero__desc{font-size:14.5px}
  .hero__points{gap:8px 16px}
  .hero__points li{font-size:13.5px}
  .stat{padding:24px 12px}
  .stat__num{font-size:30px}
  .stat__label{font-size:12.5px;line-height:1.5}
  .section{padding:44px 0}
  .sec-head{margin-bottom:28px}
  .sec-head--split{flex-direction:column;align-items:flex-start;gap:14px}
  .sec-head__title{font-size:23px}
  .sec-head__desc{font-size:14.5px}
  .btn{padding:12px 20px;font-size:14.5px}
  .btn-row{gap:10px}
  .btn-row .btn{flex:1 1 auto;justify-content:center}
  .sol-card,.sol-card__body{min-height:260px}
  .prod-card__body{padding:20px 18px 22px}
  .news-feature__body{padding:20px 18px 24px}
  .news-item{gap:14px}
  .news-item__date{width:58px;height:58px}
  .news-item__date b{font-size:19px}
  .foot-grid{grid-template-columns:1fr;gap:26px;padding:40px 0 30px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .float-bar{right:12px;bottom:80px}
  .float-bar a{width:46px;height:46px;font-size:10px}
  .to-top{right:12px;bottom:20px;width:46px;height:46px}
  .cta{padding:40px 0}
  .cta h2{font-size:22px}
  .cta__inner{flex-direction:column;align-items:flex-start;gap:22px}
  .cta__side{width:100%;gap:18px}
  .cta__tel b{font-size:24px}
  .form{padding:20px 16px}
  .card__body,.feature-card{padding:20px 18px}
  .page-hero{padding:44px 0 40px}
  .page-hero__inner{flex-direction:column;align-items:flex-start;gap:18px}
  .page-hero h1,.page-hero__title{font-size:25px}
  .article__title{font-size:22px}
  .article p{font-size:15.5px}
  .faq summary{padding:16px 46px 16px 18px;font-size:15px}
  .faq__body{padding:2px 18px 18px;font-size:14.5px}
  .spec-table th,.spec-table td{padding:11px 14px}
  .timeline{padding-left:28px}
  .quote{padding:18px 18px 18px 22px}
  /* 触控友好：加大可点区域（视觉不变） */
  .btn{min-height:44px}
  .lang button{min-height:34px;padding:6px 13px}
  .foot-col a{display:inline-block;padding:5px 0}
  .sec-head__more{padding:6px 0}
  .prod-card__link{padding:7px 0}
  .side-nav li a{padding:16px 22px}
  .faq summary{padding:18px 48px 18px 18px}
  /* 两列「项目 / 参数」表在窄屏改为上下堆叠，不用横向滚动 */
  .table-scroll.is-2col{overflow:visible;border:0;border-radius:0}
  .table-scroll.is-2col .spec-table{display:block;min-width:0;background:transparent}
  .table-scroll.is-2col thead{display:none}
  .table-scroll.is-2col tbody,.table-scroll.is-2col tr,.table-scroll.is-2col th,.table-scroll.is-2col td{display:block;width:100%}
  .table-scroll.is-2col caption{padding:0 0 12px;background:transparent;border:0;font-size:16px}
  .table-scroll.is-2col tr{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px;background:#fff;overflow:hidden}
  .table-scroll.is-2col th{padding:12px 16px 3px;background:transparent;border-bottom:0;font-size:13.5px;color:var(--muted)}
  .table-scroll.is-2col td{padding:0 16px 14px;border-bottom:0;font-weight:600;color:var(--ink)}
}
@media (max-width:420px){
  .brand__name{font-size:16px;letter-spacing:.06em}
  .head-actions .btn--sm{padding:9px 11px;font-size:12.5px}
  .hero__title{font-size:24px}
  .stat__num{font-size:26px}
  .btn-row .btn{flex:1 1 100%}
  .float-bar a{width:42px;height:42px}
  .float-bar a span{display:none}
  .float-bar a{justify-content:center}
}

/* ---------- 多列技术参数表（选型参照表等）：列宽按内容自适应 ---------- */
/* 原来的 th{width:34%} 是给两列「项目/参数」表写的，
   7 列的表套上它 → 前几列吃掉大半宽度，后面几列被挤成竖排 ✗
   这里用 :has() 精准识别「4 列以上的表」，只对它们生效 ✓ */
.spec-table:has(thead th:nth-child(4)) th,
.spec-table:has(thead th:nth-child(4)) td{width:auto}
.spec-table:has(thead th:nth-child(4)) thead th{white-space:nowrap}
.spec-table:has(thead th:nth-child(4)) th,
.spec-table:has(thead th:nth-child(4)) td{padding:11px 10px}
.spec-table:has(thead th:nth-child(4)) tbody th{min-width:168px}
.spec-table:has(thead th:nth-child(4)) td{min-width:78px}
/* ---------- 窄屏（手机）：多列技术参数表改成卡片式，不用横向滚动 ---------- */
@media (max-width: 860px){
  .table-scroll--cards{overflow:visible;border:0;border-radius:0}
  .table-scroll--cards .spec-table{display:block;min-width:0;background:transparent}
  .table-scroll--cards thead{display:none}
  .table-scroll--cards tbody{display:block}
  .table-scroll--cards tr{display:block;border:1px solid var(--line);border-radius:var(--radius-lg);
      margin-bottom:12px;background:#fff;overflow:hidden;box-shadow:var(--shadow-s)}
  .table-scroll--cards th,
  .table-scroll--cards td{display:block;width:100%;min-width:0;text-align:left}
  .table-scroll--cards tbody th{background:var(--navy-soft);color:var(--ink);font-weight:700;
      padding:12px 16px;border-bottom:1px solid var(--line);white-space:normal}
  .table-scroll--cards td{display:flex;gap:12px;padding:9px 16px;
      border-bottom:1px dashed var(--line-2);white-space:normal;word-break:break-word}
  .table-scroll--cards td:last-child{border-bottom:0}
  .table-scroll--cards td::before{content:attr(data-label);flex:0 0 92px;
      color:var(--muted);font-size:13px;font-weight:400;line-height:1.5}
  .table-scroll--cards caption{display:block;width:100%;padding:0 0 12px;background:transparent;border:0;font-size:16px;text-align:left}
}