/* =========================================================
   ColorMaster — 外贸站样式表
   改颜色：只需要改下面 :root 里的变量
   ========================================================= */

:root{
  /* 主色（橙色） */
  --accent: #F2911F;
  --accent-dark: #D97C0C;
  --accent-soft: #FDF3E4;

  /* 深色 / 浅色 */
  --ink: #121316;
  --ink-2: #1B1D21;
  --ink-3: #2A2D32;
  --paper: #FFFFFF;
  --mist: #F5F4F1;
  --mist-2: #EDEBE5;

  /* 文字 / 分割线 */
  --text: #17181B;
  --muted: #6E6F73;
  --muted-2: #9A9B9F;
  --line: #E5E2DB;
  --line-dark: rgba(255,255,255,.14);

  --radius: 2px;
  --container: 1280px;
  --ease: cubic-bezier(.22,.61,.36,1);

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --font-display: "Archivo", "Inter", "Helvetica Neue", Arial, sans-serif;
}

*,*::before,*::after{ box-sizing: border-box; }

html{ -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body{
  margin:0;
  font-family: var(--font-sans);
  font-size:16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; transition: color .25s var(--ease), opacity .25s var(--ease); }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family: inherit; }

h1,h2,h3,h4,h5{
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.02em;
  margin: 0;
  color: var(--text);
}

p{ margin: 0 0 1.1em; }
p:last-child{ margin-bottom:0; }

::selection{ background: var(--accent); color:#fff; }

/* ---------- 布局工具 ---------- */
.container{
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 40px;
}
.section{ padding: 110px 0; }
.section--tight{ padding: 76px 0; }
.section--mist{ background: var(--mist); }
.section--dark{ background: var(--ink); color: rgba(255,255,255,.72); }
.section--dark h2, .section--dark h3{ color:#fff; }
.section--flush{ padding-bottom: 0; }

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 22px;
}
.eyebrow::before{
  content:"";
  width: 26px; height: 2px;
  background: var(--accent);
  display:inline-block;
}
.section--dark .eyebrow{ color: rgba(255,255,255,.6); }

.section-head{
  display:flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 52px;
}
.section-head h2{
  font-size: clamp(30px, 3.4vw, 46px);
  text-transform: uppercase;
  letter-spacing: -.025em;
  max-width: 17ch;
}
.section-head p{ color: var(--muted); max-width: 46ch; margin-top: 16px; }
.section--dark .section-head p{ color: rgba(255,255,255,.6); }

.link-arrow{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  white-space: nowrap;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
}
.link-arrow svg{ transition: transform .3s var(--ease); }
.link-arrow:hover{ color: var(--accent); border-color: var(--accent); }
.link-arrow:hover svg{ transform: translateX(5px); }
.section--dark .link-arrow{ border-color: var(--line-dark); }

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 12px;
  height: 52px;
  padding: 0 30px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all .3s var(--ease);
  white-space: nowrap;
}
.btn svg{ transition: transform .3s var(--ease); }
.btn:hover svg{ transform: translateX(4px); }
.btn--accent{ background: var(--accent); color:#fff; }
.btn--accent:hover{ background: var(--accent-dark); }
.btn--dark{ background: var(--ink); color:#fff; }
.btn--dark:hover{ background: var(--ink-3); }
.btn--ghost{ border-color: rgba(255,255,255,.35); color:#fff; }
.btn--ghost:hover{ background:#fff; color: var(--ink); border-color:#fff; }
.btn--outline{ border-color: var(--line); color: var(--text); background: transparent; }
.btn--outline:hover{ border-color: var(--ink); background: var(--ink); color:#fff; }
.btn--block{ width:100%; }

/* =========================================================
   顶部信息条 + 导航
   ========================================================= */
.topbar{
  background: var(--ink);
  color: rgba(255,255,255,.62);
  font-size: 12.5px;
  letter-spacing: .02em;
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 24px;
  height: 42px;
}
.topbar__list{ display:flex; align-items:center; gap: 26px; }
.topbar__list li{ display:flex; align-items:center; gap:8px; }
.topbar__list svg{ color: var(--accent); flex-shrink:0; }
.topbar__right{ display:flex; align-items:center; gap: 20px; }
.topbar__social{ display:flex; gap: 14px; }
.topbar__social a:hover{ color:#fff; }
.topbar a:hover{ color:#fff; }

.site-header{
  position: sticky;
  top: 0;
  z-index: 900;
  background: rgba(255,255,255,.94);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow .3s var(--ease);
}
.site-header.is-scrolled{ box-shadow: 0 8px 30px rgba(0,0,0,.07); }
.header__inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 30px;
  height: 82px;
  transition: height .3s var(--ease);
}
.site-header.is-scrolled .header__inner{ height: 68px; }

/* Logo */
.logo{ display:flex; align-items:center; gap: 13px; }
.logo__img{
  height: 52px; width: auto;
  display: block; flex-shrink: 0;
  transition: height .3s var(--ease);
}
.site-header.is-scrolled .logo__img{ height: 42px; }
.logo__text{ display:flex; flex-direction:column; line-height:1; }
.logo__name{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  letter-spacing: .07em;
  text-transform: uppercase;
  white-space: nowrap;
}
.logo__tag{
  font-size: 9.5px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--muted-2);
  margin-top: 5px;
  white-space: nowrap;
}

/* 导航 */
.nav{ display:flex; align-items:center; gap: 34px; }
.nav__item{ position: relative; }
.nav__link{
  display:flex;
  align-items:center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text);
  padding: 10px 0;
  position: relative;
}
.nav__link::after{
  content:"";
  position:absolute; left:0; bottom: 2px;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width .3s var(--ease);
}
.nav__link:hover::after,
.nav__item.is-active .nav__link::after{ width: 100%; }
.nav__link:hover{ color: var(--accent); }
.nav__item.is-active .nav__link{ color: var(--accent); }

/* 下拉 */
.dropdown{
  position:absolute;
  top: 100%; left: -22px;
  min-width: 268px;
  background:#fff;
  border: 1px solid var(--line);
  box-shadow: 0 20px 50px rgba(0,0,0,.1);
  padding: 10px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all .28s var(--ease);
}
.nav__item:hover .dropdown{ opacity:1; visibility:visible; transform: translateY(0); }
.dropdown a{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 22px;
  font-size: 13.5px;
  color: var(--text);
  border-left: 2px solid transparent;
}
.dropdown a:hover{ background: var(--mist); border-left-color: var(--accent); color: var(--accent); }
.dropdown small{ color: var(--muted-2); font-family: var(--font-display); font-size: 10px; letter-spacing:.1em; }

.header__actions{ display:flex; align-items:center; gap: 16px; }
.header__phone{ display:flex; align-items:center; gap: 9px; font-size: 13px; color: var(--muted); }
.header__phone strong{ color: var(--text); font-weight: 600; }

/* 汉堡 */
.burger{
  display:none;
  width: 46px; height: 46px;
  border: 1px solid var(--line);
  background:#fff;
  border-radius: var(--radius);
  cursor:pointer;
  position: relative;
}
.burger span{
  position:absolute; left: 13px; width: 20px; height: 1.5px;
  background: var(--ink);
  transition: all .3s var(--ease);
}
.burger span:nth-child(1){ top: 17px; }
.burger span:nth-child(2){ top: 23px; }
.burger span:nth-child(3){ top: 29px; }
.burger.is-open span:nth-child(1){ top: 23px; transform: rotate(45deg); }
.burger.is-open span:nth-child(2){ opacity:0; }
.burger.is-open span:nth-child(3){ top: 23px; transform: rotate(-45deg); }

/* 移动端菜单 */
.mobile-menu{
  position: fixed;
  inset: 0 0 0 auto;
  width: min(88vw, 380px);
  background: #fff;
  z-index: 1000;
  padding: 28px 26px 40px;
  transform: translateX(100%);
  transition: transform .4s var(--ease);
  overflow-y: auto;
  box-shadow: -20px 0 60px rgba(0,0,0,.12);
}
.mobile-menu.is-open{ transform: translateX(0); }
.mobile-menu__head{ display:flex; align-items:center; justify-content: space-between; margin-bottom: 26px; }
.mobile-menu__close{ border:0; background:none; font-size: 26px; line-height:1; cursor:pointer; color: var(--ink); }
.mobile-menu nav a{
  display:block;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.mobile-menu__sub{ padding-left: 14px; }
.mobile-menu__sub a{ font-size: 13.5px; text-transform:none; letter-spacing:0; color: var(--muted); padding: 11px 0; }
.mobile-menu .btn{ margin-top: 26px; }
.overlay{
  position: fixed; inset:0; background: rgba(10,11,12,.45);
  opacity:0; visibility:hidden; transition: all .35s var(--ease); z-index: 999;
}
.overlay.is-open{ opacity:1; visibility:visible; }

/* =========================================================
   首页大图
   ========================================================= */
.hero{
  position: relative;
  height: min(calc(100vh - 118px), 840px);
  min-height: 600px;
  background: #0E0F11;
  color: #fff;
  overflow: hidden;
}

/* 轮播：每个 slide 自带背景与文案 */
.slide{
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity .9s var(--ease), visibility .9s;
  z-index: 1;
}
.slide.is-active{ opacity: 1; visibility: visible; z-index: 2; }

.slide__bg{ position: absolute; inset: 0; overflow: hidden; }
.slide__bg img{
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 72% center;
  transform: scale(1.07);
  transition: transform 8s linear;
}
.slide__bg img.slide__bg-m{ display: none }
.slide.is-active .slide__bg img{ transform: scale(1); }
.slide__bg::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(90deg, rgba(10,11,13,.94) 0%, rgba(10,11,13,.82) 38%, rgba(10,11,13,.35) 72%, rgba(10,11,13,.15) 100%);
}

/* 第 1 张：产品图本身就是深底排版图，只需极淡的压暗，别把图压灰 */
.slide--poster .slide__bg img{ object-position: right center; }
.slide--poster .slide__bg::after{
  background: linear-gradient(90deg, rgba(10,11,13,.55) 0%, rgba(10,11,13,.26) 24%, rgba(10,11,13,.02) 44%, rgba(10,11,13,0) 56%);
}

.slide__inner{
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-bottom: 76px;
}
.hero__eyebrow{
  display:inline-flex; align-items:center; gap: 12px;
  font-family: var(--font-display);
  font-size: 11px; font-weight: 600;
  letter-spacing: .26em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}
.hero__eyebrow::before{ content:""; width: 40px; height: 1px; background: var(--accent); }
.hero__title{
  font-size: clamp(34px, 4.9vw, 70px);
  font-weight: 800;
  line-height: .92;
  letter-spacing: -.035em;
  text-transform: uppercase;
  color:#fff;
  max-width: 15ch;
}
.hero__title em{ font-style: normal; color: var(--accent); }
.hero__text{
  max-width: 46ch;
  margin-top: 26px;
  color: rgba(255,255,255,.72);
  font-size: 16px;
  line-height: 1.85;
}

.hero__actions{ display:flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.hero__foot{
  position:absolute; left:0; right:0; bottom: 0; z-index:2;
  border-top: 1px solid rgba(255,255,255,.12);
  background: linear-gradient(180deg, rgba(10,11,13,.1), rgba(10,11,13,.65));
}
.hero__foot-inner{
  display:flex; align-items:center; justify-content: space-between;
  gap: 30px; padding: 20px 0;
  font-family: var(--font-display);
  font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase;
  color: rgba(255,255,255,.55);
}
.hero__foot-list{ display:flex; gap: 40px; flex-wrap: wrap; }
.hero__foot-list span b{ color:#fff; font-weight:600; margin-right: 8px; }
.scroll-hint{ display:flex; align-items:center; gap: 10px; }
.scroll-hint i{
  width: 1px; height: 26px; background: rgba(255,255,255,.4);
  display:block; position: relative; overflow:hidden;
}
.scroll-hint i::after{
  content:""; position:absolute; inset:0; background: var(--accent);
  animation: scrollLine 2s var(--ease) infinite;
}
@keyframes scrollLine{
  0%{ transform: translateY(-100%); }
  60%,100%{ transform: translateY(100%); }
}

/* =========================================================
   内页 banner
   ========================================================= */
.page-hero{
  position: relative;
  background: var(--ink);
  color:#fff;
  padding: 92px 0 74px;
  overflow: hidden;
}
.page-hero__bg{ position:absolute; inset:0; opacity:.28; }
.page-hero__bg img{ width:100%; height:100%; object-fit: cover; }
/* 产品页背景是方形图，取景上移到坚果与罐身那一带，避免整条横幅只剩一个橙色盖子 */
.page-hero--products .page-hero__bg img{ object-position: 50% 22%; }
.page-hero--news .page-hero__bg img{ object-position: 50% 48%; }
.page-hero__bg::after{
  content:""; position:absolute; inset:0;
  background: linear-gradient(100deg, rgba(14,15,17,.95), rgba(14,15,17,.55));
}
.page-hero__inner{ position: relative; z-index:2; max-width: 760px; }
.page-hero h1{
  font-size: clamp(34px, 4.6vw, 62px);
  text-transform: uppercase;
  letter-spacing: -.03em;
  color:#fff;
  line-height: 1;
}
.page-hero p{ color: rgba(255,255,255,.66); margin-top: 20px; max-width: 56ch; }
.crumb{
  display:flex; align-items:center; gap: 10px; flex-wrap: wrap;
  font-family: var(--font-display);
  font-size: 11px; letter-spacing: .16em; text-transform: uppercase;
  color: rgba(255,255,255,.45);
  margin-bottom: 26px;
}
.crumb a:hover{ color: var(--accent); }
.crumb span{ color: var(--accent); }

/* =========================================================
   轮播控制条（底部）
   ========================================================= */
.hero-tabs{ display: flex; gap: 44px; flex-wrap: wrap; }
.hero-tab{
  background: none;
  border: 0;
  padding: 0 0 10px;
  cursor: pointer;
  text-align: left;
  color: rgba(255,255,255,.45);
  font-family: var(--font-display);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  position: relative;
  transition: color .3s var(--ease);
}
.hero-tab span{ display:block; color: var(--accent); font-size: 10px; margin-bottom: 5px; letter-spacing: .2em; }
.hero-tab::after{
  content:"";
  position:absolute; left:0; bottom:0;
  height: 2px; width: 0;
  background: var(--accent);
  transition: width .4s var(--ease);
}
.hero-tab:hover{ color: #fff; }
.hero-tab.is-active{ color:#fff; }
.hero-tab.is-active::after{ width: 100%; }

.hero-arrows{ display: flex; gap: 10px; }
.hero-arrow{
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: transparent;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  transition: all .3s var(--ease);
}
.hero-arrow:hover{ background: var(--accent); border-color: var(--accent); }

/* =========================================================
   图文两栏（公司介绍）
   ========================================================= */
.split{
  display:grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 80px;
  align-items: center;
}
.split--reverse .split__media{ order: 2; }
.split__media{ position: relative; }
.split__media img{ width:100%; height: 100%; object-fit: cover; }
.frame{
  position: relative;
  aspect-ratio: 4 / 4.4;
  overflow: hidden;
  background: var(--mist);
}
.frame--wide{ aspect-ratio: 4 / 3; }
/* 车间全景图：竖版框里取左侧带机械臂的机组，别把整排机器裁成一条缝 */
.frame--plant img{ object-position: 26% center; }
.frame img{ transition: transform .8s var(--ease); }
.frame:hover img{ transform: scale(1.04); }

/* 图片角标 */
.stat-badge{
  position:absolute;
  right: -28px; bottom: 36px;
  background: var(--accent);
  color:#fff;
  padding: 22px 26px;
  min-width: 168px;
  z-index: 2;
}
.stat-badge b{
  display:block;
  font-family: var(--font-display);
  font-size: 40px; font-weight: 800; line-height: 1;
  letter-spacing: -.03em;
}
.stat-badge span{
  display:block; margin-top: 8px;
  font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase;
  opacity:.9;
}

.split__body h2{
  font-size: clamp(30px, 3.6vw, 48px);
  text-transform: uppercase;
  letter-spacing: -.028em;
  margin-bottom: 26px;
  max-width: 18ch;
}
.split__body p{ color: var(--muted); }
.ticks{ margin: 30px 0 34px; display:grid; gap: 14px; }
.ticks li{
  display:flex; gap: 13px; align-items: flex-start;
  font-size: 14.5px;
  color: var(--text);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.ticks li:last-child{ border-bottom:0; padding-bottom:0; }
.ticks svg{ color: var(--accent); flex-shrink:0; margin-top: 4px; }

/* =========================================================
   数据条
   ========================================================= */
.stats{
  background: var(--ink);
  color:#fff;
  border-top: 1px solid rgba(255,255,255,.08);
}
.stats__grid{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
}
.stat{
  padding: 52px 34px;
  border-right: 1px solid rgba(255,255,255,.1);
}
.stat:last-child{ border-right:0; }
.stat b{
  display:block;
  font-family: var(--font-display);
  font-size: clamp(38px, 4vw, 56px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.035em;
}
.stat b i{ font-style: normal; color: var(--accent); }
.stat > span{
  display:block; margin-top: 12px;
  font-size: 11.5px; letter-spacing: .18em; text-transform: uppercase;
  color: rgba(255,255,255,.48);
}
/* 计数用的 <span data-count> 在 <b> 里面，不能被上面的标签样式影响 */
.stat b span{ display:inline; font-size: inherit; letter-spacing: inherit; color: inherit; }

/* =========================================================
   能力展示（三卡）
   ========================================================= */
.cards-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}
.cap{
  background:#fff;
  padding: 46px 38px 42px;
  position: relative;
  transition: background .35s var(--ease), transform .35s var(--ease);
}
.cap:hover{ background: var(--ink); }
.cap:hover .cap__num{ color: rgba(255,255,255,.18); }
.cap:hover h3{ color:#fff; }
.cap:hover p{ color: rgba(255,255,255,.6); }
.cap:hover .cap__icon{ background: var(--accent); color:#fff; border-color: var(--accent); }
.cap__num{
  position:absolute; top: 26px; right: 30px;
  font-family: var(--font-display);
  font-size: 44px; font-weight: 800; line-height: 1;
  color: var(--mist-2);
  transition: color .35s var(--ease);
}
.cap__icon{
  width: 54px; height: 54px;
  display:grid; place-items:center;
  border:1px solid var(--line);
  color: var(--accent);
  margin-bottom: 28px;
  transition: all .35s var(--ease);
}
.cap h3{
  font-size: 20px;
  text-transform: uppercase;
  letter-spacing: -.01em;
  margin-bottom: 12px;
  transition: color .35s var(--ease);
}
.cap p{ color: var(--muted); font-size: 14.5px; margin:0; transition: color .35s var(--ease); }

/* =========================================================
   产品分类
   ========================================================= */
.cats{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.cat{
  position: relative;
  display:block;
  aspect-ratio: 3 / 3.9;
  overflow: hidden;
  background: var(--ink);
  color:#fff;
}
.cat img{
  width:100%; height:100%; object-fit: cover;
  transition: transform .8s var(--ease), opacity .4s var(--ease);
  opacity: 1;
}
.cat::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(10,11,13,.30) 0%, rgba(10,11,13,.06) 32%, rgba(10,11,13,.70) 62%, rgba(10,11,13,.90) 80%, rgba(10,11,13,.97) 100%);
  transition: opacity .4s var(--ease);
}
.cat:hover::after{ opacity:.92; }
.cat:hover img{ transform: scale(1.06); opacity: 1; }
.cat__body{
  position:absolute; inset:auto 0 0 0; z-index:2;
  padding: 30px 26px;
}
.cat__idx{
  font-family: var(--font-display);
  font-size: 10px; letter-spacing: .2em; text-transform: uppercase;
  color: var(--accent);
  display:block; margin-bottom: 10px;
  text-shadow: 0 1px 12px rgba(0,0,0,.7), 0 0 3px rgba(0,0,0,.45);
}
.cat h3{
  color:#fff;
  font-size: 21px;
  text-transform: uppercase;
  line-height: 1.15;
  text-shadow: 0 1px 18px rgba(0,0,0,.55), 0 0 6px rgba(0,0,0,.35);
}
.cat p{
  color: rgba(255,255,255,.6);
  font-size: 13px;
  margin: 10px 0 0;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all .4s var(--ease);
}
.cat:hover p{ max-height: 80px; opacity:1; }
.cat__arrow{
  position:absolute; top: 22px; right: 22px;
  width: 38px; height: 38px;
  display:grid; place-items:center;
  border:1px solid rgba(255,255,255,.35);
  border-radius: 50%;
  z-index:2;
  transition: all .35s var(--ease);
}
.cat:hover .cat__arrow{ background:#fff; color: var(--ink); border-color:#fff; transform: rotate(-45deg); }

/* =========================================================
   流程步骤
   ========================================================= */
.steps{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line-dark);
}
.step{
  padding: 40px 30px 0;
  border-right: 1px solid var(--line-dark);
  position: relative;
}
.step:last-child{ border-right:0; }
.step::before{
  content:"";
  position:absolute; top: -1px; left: 0;
  width: 0; height: 2px;
  background: var(--accent);
  transition: width .5s var(--ease);
}
.step:hover::before{ width: 100%; }
.step b{
  font-family: var(--font-display);
  font-size: 12px; letter-spacing: .2em;
  color: var(--accent);
  display:block; margin-bottom: 20px;
}
.step h3{
  font-size: 19px;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.step p{ font-size: 14px; color: rgba(255,255,255,.55); margin:0; }

/* =========================================================
   新闻
   ========================================================= */
.news-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 34px;
}
.post{ display:block; }
.post__media{
  overflow:hidden;
  aspect-ratio: 16 / 10;
  background: var(--mist);
  margin-bottom: 22px;
  position: relative;
}
.post__media img{
  width:100%; height:100%; object-fit: cover;
  transition: transform .8s var(--ease);
}
.post:hover .post__media img{ transform: scale(1.05); }
.post__cat{
  position:absolute; top: 14px; left: 14px;
  background:#fff;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 10px; letter-spacing: .16em; text-transform: uppercase;
  padding: 7px 12px;
}
.post__date{
  font-family: var(--font-display);
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--muted-2);
  display:block; margin-bottom: 12px;
}
.post h3{
  font-size: 19px;
  line-height: 1.35;
  letter-spacing: -.01em;
  margin-bottom: 14px;
  transition: color .25s var(--ease);
}
.post:hover h3{ color: var(--accent); }
.post__more{
  font-family: var(--font-display);
  font-size: 11px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--muted);
  display:inline-flex; align-items:center; gap: 8px;
}
.post:hover .post__more{ color: var(--accent); }

/* =========================================================
   CTA 条
   ========================================================= */
.cta-band{
  background: var(--accent);
  color:#fff;
  padding: 62px 0;
}
.cta-band__inner{
  display:flex; align-items:center; justify-content: space-between;
  gap: 40px; flex-wrap: wrap;
}
.cta-band h2{
  color:#fff;
  font-size: clamp(26px, 3vw, 40px);
  text-transform: uppercase;
  letter-spacing: -.025em;
  max-width: 22ch;
}
.cta-band p{ color: rgba(255,255,255,.85); margin-top: 12px; }
.cta-band .btn--dark:hover{ background:#000; }
.cta-band .btn--ghost{ border-color: rgba(255,255,255,.6); }
.cta-band .btn--ghost:hover{ background:#fff; color: var(--accent); border-color:#fff; }

/* =========================================================
   页脚
   ========================================================= */
.footer{
  background: var(--ink);
  color: rgba(255,255,255,.55);
  padding: 82px 0 0;
  font-size: 14px;
}
.footer__grid{
  display:grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: 56px;
  padding-bottom: 62px;
}
.footer .logo__img{ height: 56px; }
.footer .logo__name{ color:#fff; }
.footer .logo__tag{ color: rgba(255,255,255,.38); }
.footer__about{ margin-top: 24px; max-width: 34ch; line-height: 1.8; font-size: 13.5px; }
.footer h4{
  color:#fff;
  font-size: 12px;
  letter-spacing: .2em;
  text-transform: uppercase;
  margin-bottom: 24px;
  font-weight: 600;
}
.footer__links li{ margin-bottom: 13px; }
.footer__links a:hover{ color: var(--accent); }
.footer__contact li{
  display:flex; gap: 12px;
  margin-bottom: 16px;
  font-size: 13.5px;
  line-height: 1.6;
}
.footer__contact svg{ color: var(--accent); flex-shrink:0; margin-top: 4px; }
.footer__contact a:hover{ color:#fff; }
.footer__bottom{
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 24px 0;
  display:flex; align-items:center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
  font-size: 12.5px;
  color: rgba(255,255,255,.4);
}
.footer__bottom-links{ display:flex; gap: 24px; }
.footer__bottom a:hover{ color:#fff; }

/* 回到顶部 */
.to-top{
  position: fixed;
  right: 26px; bottom: 26px;
  width: 46px; height: 46px;
  display:grid; place-items:center;
  background: var(--ink);
  color:#fff;
  border:0;
  border-radius: 50%;
  cursor:pointer;
  opacity:0; visibility: hidden;
  transform: translateY(10px);
  transition: all .35s var(--ease);
  z-index: 800;
}
.to-top.is-visible{ opacity:1; visibility:visible; transform:none; }
.to-top:hover{ background: var(--accent); }

/* =========================================================
   产品页
   ========================================================= */
.shop{
  display:grid;
  grid-template-columns: 268px 1fr;
  gap: 56px;
  align-items: start;
}
.sidebar{ position: sticky; top: 96px; }
.sidebar__block{ margin-bottom: 42px; }
.sidebar__title{
  font-family: var(--font-display);
  font-size: 12px; letter-spacing: .2em; text-transform: uppercase;
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 8px;
  font-weight: 600;
}
.catlist a{
  display:flex; align-items:center; justify-content: space-between;
  padding: 13px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}
.catlist a span{ font-family: var(--font-display); font-size: 11px; color: var(--muted-2); }
.catlist a:hover, .catlist a.is-active{ color: var(--accent); }
.catlist a.is-active{ font-weight: 500; }
.sidebar__cta{
  background: var(--ink);
  color: rgba(255,255,255,.65);
  padding: 30px 26px;
}
.sidebar__cta h4{
  color:#fff; font-size: 17px; margin-bottom: 10px; text-transform: uppercase;
}
.sidebar__cta p{ font-size: 13px; margin-bottom: 20px; }

.toolbar{
  display:flex; align-items:center; justify-content: space-between;
  gap: 20px; flex-wrap: wrap;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 36px;
  font-size: 13px;
  color: var(--muted);
}
.chips{ display:flex; gap: 8px; flex-wrap: wrap; }
.chip{
  padding: 9px 18px;
  border:1px solid var(--line);
  background:#fff;
  font-family: var(--font-display);
  font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--muted);
  cursor:pointer;
  transition: all .25s var(--ease);
}
.chip:hover{ border-color: var(--ink); color: var(--ink); }
.chip.is-active{ background: var(--ink); border-color: var(--ink); color:#fff; }

.product-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.p-card{
  display:flex; flex-direction:column; height:100%;
  border:1px solid var(--line);
  background:#fff;
  transition: all .35s var(--ease);
}
.p-card:hover{ border-color: var(--ink); box-shadow: 0 18px 40px rgba(0,0,0,.07); }
.p-card__media{
  aspect-ratio: 1 / 1;
  overflow:hidden;
  background: var(--mist);
  position: relative;
}
.p-card__media img{ width:100%; height:100%; object-fit: cover; transition: transform .7s var(--ease); }
.p-card:hover .p-card__media img{ transform: scale(1.05); }
.p-card__tag{
  position:absolute; top: 12px; left: 12px;
  background: var(--accent); color:#fff;
  font-family: var(--font-display);
  font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase;
  padding: 5px 9px;
}
.p-card__body{ padding: 22px 22px 26px; display:flex; flex-direction:column; flex:1 1 auto; }
.p-card__cat{
  font-family: var(--font-display);
  font-size: 10px; letter-spacing: .18em; text-transform: uppercase;
  color: var(--muted-2);
  display:block; margin-bottom: 8px;
}
.p-card h3{
  font-size: 16.5px;
  line-height: 1.35;
  margin-bottom: 10px;
  transition: color .25s var(--ease);
}
.p-card:hover h3{ color: var(--accent); }
.p-card__spec{
  font-size: 12.5px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 12px;
  margin-top: auto;
  display:flex; justify-content: space-between; gap: 10px;
}
.p-card__spec span{ white-space: nowrap; }

.pagination{ display:flex; gap: 8px; margin-top: 54px; justify-content: center; }
.pagination a{
  width: 42px; height: 42px;
  display:grid; place-items:center;
  border:1px solid var(--line);
  font-family: var(--font-display);
  font-size: 13px;
  color: var(--muted);
}
.pagination a:hover, .pagination a.is-active{ background: var(--ink); color:#fff; border-color: var(--ink); }

/* 产品详情 */
.detail{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.detail__gallery{ position: sticky; top: 100px; }
.detail__main{
  overflow:hidden;
  background: var(--mist);
  border:1px solid var(--line);
}
/* 不加固定比例：图有多高就显示多高，避免 object-fit:cover 把产品裁掉 */
.detail__main img{ width:100%; height:auto; display:block; }
.detail__thumbs{ display:grid; grid-template-columns: repeat(4,1fr); gap: 12px; margin-top: 12px; }
.detail__thumbs img{
  aspect-ratio: 1/1; object-fit: cover;
  border:1px solid var(--line);
  cursor:pointer;
  opacity:.7;
  transition: all .25s var(--ease);
}
.detail__thumbs img:hover, .detail__thumbs img.is-active{ opacity:1; border-color: var(--ink); }
.detail h1{
  font-size: clamp(28px, 3.2vw, 42px);
  text-transform: uppercase;
  letter-spacing: -.025em;
  margin: 12px 0 18px;
  line-height: 1.05;
}
.detail__lead{ color: var(--muted); margin-bottom: 28px; }
.spec-table{
  width:100%;
  border-collapse: collapse;
  font-size: 14px;
  margin-bottom: 30px;
}
.spec-table th, .spec-table td{
  text-align:left;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.spec-table th{ width: 40%; color: var(--muted); font-weight: 400; }
.spec-table td{ font-weight: 500; }

/* =========================================================
   关于页
   ========================================================= */
.values{
  display:grid;
  grid-template-columns: repeat(3,1fr);
  gap: 44px;
}
.value{ border-top: 2px solid var(--ink); padding-top: 26px; }
.value b{
  font-family: var(--font-display);
  font-size: 12px; letter-spacing: .2em; color: var(--accent);
  display:block; margin-bottom: 14px;
}
.value h3{ font-size: 19px; text-transform: uppercase; margin-bottom: 10px; }
.value p{ color: var(--muted); font-size: 14px; margin:0; }

.timeline{ border-left: 1px solid var(--line); padding-left: 40px; display:grid; gap: 40px; }
.tl-item{ position: relative; }
.tl-item::before{
  content:"";
  position:absolute; left: -46px; top: 8px;
  width: 11px; height: 11px;
  background:#fff;
  border: 2px solid var(--accent);
  border-radius: 50%;
}
.tl-item b{
  font-family: var(--font-display);
  font-size: 22px; font-weight: 800; color: var(--accent);
  display:block; margin-bottom: 6px;
  letter-spacing: -.02em;
}
.tl-item h3{ font-size: 17px; margin-bottom: 6px; }
.tl-item p{ color: var(--muted); font-size: 14px; margin:0; }

.cert-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.cert{
  border:1px solid var(--line);
  padding: 34px 24px;
  text-align:center;
  background:#fff;
  transition: all .3s var(--ease);
}
.cert:hover{ border-color: var(--accent); transform: translateY(-4px); }
.cert b{
  font-family: var(--font-display);
  font-size: 21px; font-weight: 800;
  display:block; letter-spacing: -.01em;
  margin-bottom: 6px;
}
.cert span{ font-size: 12px; color: var(--muted); }

/* =========================================================
   新闻页
   ========================================================= */
.news-layout{ display:grid; grid-template-columns: 1fr 320px; gap: 60px; align-items: start; }
.news-list{ display:grid; gap: 34px; }
.news-item{
  display:grid;
  grid-template-columns: 300px 1fr;
  gap: 30px;
  padding-bottom: 34px;
  border-bottom: 1px solid var(--line);
}
.news-item__media{ overflow:hidden; aspect-ratio: 16/11; background: var(--mist); }
.news-item__media img{ width:100%; height:100%; object-fit: cover; transition: transform .7s var(--ease); }
.news-item:hover .news-item__media img{ transform: scale(1.05); }
.news-item h2{ font-size: 21px; line-height: 1.35; margin-bottom: 12px; transition: color .25s var(--ease); }
.news-item:hover h2{ color: var(--accent); }
.news-item p{ color: var(--muted); font-size: 14px; margin-bottom: 16px; }

/* 文章详情 */
.article{ max-width: 780px; margin: 0 auto; }
.article__meta{
  display:flex; gap: 20px; flex-wrap: wrap;
  font-family: var(--font-display);
  font-size: 11px; letter-spacing: .16em; text-transform: uppercase;
  color: var(--muted-2);
  margin-bottom: 18px;
}
.article h1{
  font-size: clamp(28px, 3.6vw, 44px);
  text-transform: uppercase;
  letter-spacing: -.025em;
  line-height: 1.08;
  margin-bottom: 28px;
}
.article__hero{ margin: 34px 0 40px; }
.article__hero img{ width:100%; aspect-ratio: 16/9; object-fit: cover; }
.article__body{ font-size: 16px; line-height: 1.9; color: #33343a; }
.article__body h2{ font-size: 24px; margin: 40px 0 16px; text-transform: uppercase; }
.article__body h3{ font-size: 19px; margin: 32px 0 12px; }
.article__body ul{ list-style: disc; padding-left: 20px; margin: 18px 0; }
.article__body li{ margin-bottom: 8px; }
.article__body blockquote{
  margin: 32px 0;
  padding: 22px 28px;
  border-left: 3px solid var(--accent);
  background: var(--mist);
  font-size: 17px;
  color: var(--text);
}
.article__body img{ margin: 30px 0; }

/* =========================================================
   联系页 / 表单
   ========================================================= */
.contact-grid{ display:grid; grid-template-columns: 1fr 1.15fr; gap: 70px; align-items: start; }
.contact-cards{ display:grid; gap: 1px; background: var(--line); border:1px solid var(--line); }
.contact-card{ background:#fff; padding: 26px 28px; display:flex; gap: 18px; }
.contact-card__icon{
  width: 44px; height: 44px; flex-shrink:0;
  display:grid; place-items:center;
  background: var(--accent-soft);
  color: var(--accent-dark);
}
.contact-card h4{ font-size: 13px; letter-spacing: .14em; text-transform: uppercase; margin-bottom: 6px; }
.contact-card p, .contact-card a{ font-size: 14px; color: var(--muted); margin:0; }
.contact-card a:hover{ color: var(--accent); }

.form-wrap{
  background:#fff;
  border:1px solid var(--line);
  padding: 46px 44px;
}
.form-wrap h2{
  font-size: 26px;
  text-transform: uppercase;
  letter-spacing: -.02em;
  margin-bottom: 8px;
}
.form-wrap > p{ color: var(--muted); font-size: 14px; margin-bottom: 28px; }
.form-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field{ display:flex; flex-direction:column; gap: 8px; }
.field--full{ grid-column: 1 / -1; }
.field label{
  font-family: var(--font-display);
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted);
}
.field label em{ color: var(--accent); font-style: normal; }
.field input, .field select, .field textarea{
  width:100%;
  border:1px solid var(--line);
  background:#fff;
  padding: 13px 14px;
  font-family: inherit;
  font-size: 14.5px;
  color: var(--text);
  border-radius: var(--radius);
  outline: none;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
  appearance: none;
}
.field select{
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3e%3cpath d='M1 1l5 5 5-5' stroke='%236E6F73' stroke-width='1.5' fill='none'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
}
.field textarea{ resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus{
  border-color: var(--ink);
  box-shadow: 0 0 0 3px rgba(242,145,31,.12);
}
.field input::placeholder, .field textarea::placeholder{ color: #B4B5B8; }
.field.is-error input, .field.is-error select, .field.is-error textarea{ border-color: #D2453C; }
.field__err{ font-size: 11.5px; color: #D2453C; display:none; }
.field.is-error .field__err{ display:block; }
.form-note{ font-size: 12px; color: var(--muted-2); margin-top: 16px; }
.form-success{
  display:none;
  align-items:center; gap: 12px;
  background: #EDF7EE;
  border:1px solid #BFE3C4;
  color: #23693A;
  padding: 14px 18px;
  font-size: 14px;
  margin-top: 20px;
}
.form-success.is-visible{ display:flex; }
.form-error{
  display:none;
  background: #FDEDEB;
  border:1px solid #F3C6C0;
  color: #A32B18;
  padding: 14px 18px;
  font-size: 14px;
  margin-top: 20px;
}
.form-error.is-visible{ display:block; }
.form-error a{ color:#A32B18; }

.faq{ border-top: 1px solid var(--line); }
.faq__item{ border-bottom: 1px solid var(--line); }
.faq__q{
  width:100%;
  background:none; border:0;
  display:flex; align-items:center; justify-content: space-between;
  gap: 20px;
  padding: 22px 0;
  cursor:pointer;
  text-align:left;
  font-family: var(--font-display);
  font-size: 15.5px;
  font-weight: 600;
  color: var(--text);
}
.faq__q i{
  flex-shrink:0;
  width: 26px; height: 26px;
  display:grid; place-items:center;
  border:1px solid var(--line);
  font-style: normal;
  font-size: 16px;
  color: var(--muted);
  transition: all .3s var(--ease);
}
.faq__item.is-open .faq__q i{ background: var(--accent); border-color: var(--accent); color:#fff; transform: rotate(45deg); }
.faq__a{ max-height:0; overflow:hidden; transition: max-height .4s var(--ease); }
.faq__a p{ padding: 0 0 24px; color: var(--muted); font-size: 14.5px; max-width: 70ch; }

.map{
  height: 420px;
  background: var(--mist) url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3e%3cpath d='M0 0h60v60H0z' fill='%23F5F4F1'/%3e%3cpath d='M0 0h60M0 60h60M0 0v60M60 0v60' stroke='%23E5E2DB' stroke-width='1'/%3e%3c/svg%3e");
  border:1px solid var(--line);
  position: relative;
  overflow: hidden;
}
/* 真实地图：腾讯地图 canvas 铺满容器，默认透明，初始化成功后再显示 */
.map__canvas{
  position: absolute;
  inset: 0;
  z-index: 2;
  background: var(--mist);
  opacity: 0;
  pointer-events: none;
  transition: opacity .45s var(--ease);
}
.map.is-live .map__canvas{ opacity: 1; pointer-events: auto; }
.map__canvas canvas{ display: block; }
/* 兜底面板：没有填 key / 地图加载失败时显示（不依赖 JS 也是这一屏） */
.map__fallback{
  position: absolute;
  inset: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 20px;
  padding: 30px;
  text-align: center;
  transition: opacity .45s var(--ease);
}
.map.is-live .map__fallback{ opacity: 0; pointer-events: none; }
.map__pin{
  text-align:center;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.map__pin b{
  display:block;
  width: 54px; height: 54px;
  margin: 0 auto 14px;
  background: var(--accent);
  color:#fff;
  border-radius: 50% 50% 50% 4px;
  transform: rotate(-45deg);
  display:grid; place-items:center;
}
.map__pin b svg{ transform: rotate(45deg); }

/* =========================================================
   滚动动画
   ========================================================= */
.reveal{
  opacity:0;
  transform: translateY(26px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}
.reveal.is-in{ opacity:1; transform:none; }
.reveal[data-delay="1"]{ transition-delay: .1s; }
.reveal[data-delay="2"]{ transition-delay: .2s; }
.reveal[data-delay="3"]{ transition-delay: .3s; }
.reveal[data-delay="4"]{ transition-delay: .4s; }

@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; }
  .reveal{ opacity:1; transform:none; }
}

/* =========================================================
   响应式
   ========================================================= */
@media (max-width: 1180px){
  .container{ padding: 0 30px; }
  .nav{ gap: 22px; }
  .header__phone{ display:none; }
  .split{ gap: 50px; }
  .footer__grid{ grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
  .footer__grid > :last-child{ grid-column: 1 / -1; }
}

@media (max-width: 1024px){
  .nav, .header__actions .btn{ display:none; }
  .burger{ display:block; }
  .section{ padding: 80px 0; }
  .cats{ grid-template-columns: repeat(2,1fr); }
  .cat{ aspect-ratio: 4 / 3.5; }
  .product-grid{ grid-template-columns: repeat(2,1fr); }
  .shop{ grid-template-columns: 1fr; }
  .sidebar{ position: static; display:grid; grid-template-columns: 1fr 1fr; gap: 30px; }
  .sidebar__cta{ display:none; }
  .detail{ grid-template-columns: 1fr; gap: 40px; }
  .detail__gallery{ position: static; }
  .news-layout{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; gap: 40px; }
  .news-item{ grid-template-columns: 240px 1fr; }
  .cert-grid{ grid-template-columns: repeat(2,1fr); }
  .steps{ grid-template-columns: repeat(2,1fr); }
  .step{ padding: 32px 26px 32px 0; border-bottom: 1px solid var(--line-dark); }
  .step:nth-child(2n){ border-right:0; }
}

/* 小屏：第 1 张的排版图自带英文标注，不能再当整屏底图，改为「上文案 + 下图」 */
@media (max-width: 1024px){
  /* 让文案按内容高度、图片吃掉剩下的空间，任何屏高都不会压到按钮 */
  .slide--poster{
    display: flex; flex-direction: column;
    padding-bottom: 58px;
  }
  .slide--poster .slide__bg{
    position: relative; inset: auto;
    flex: 1 1 auto; min-height: 150px; height: auto;
    order: 2;
  }
  .slide--poster .slide__bg img.slide__bg-d{ display: none; }
  .slide--poster .slide__bg img.slide__bg-m{ display: block; }
  .slide--poster .slide__bg img{
    object-fit: contain;
    object-position: center bottom;
    transform: none !important;
  }
  .slide--poster .slide__bg::after{ display: none; }
  .slide--poster .slide__bg{
    /* 照片四边柔化，避免出现一整个亮矩形压在深色页面上 */
    -webkit-mask-image: radial-gradient(ellipse 86% 96% at 50% 58%, #000 52%, rgba(0,0,0,0) 100%);
    mask-image: radial-gradient(ellipse 86% 96% at 50% 58%, #000 52%, rgba(0,0,0,0) 100%);
  }
  .slide--poster .slide__inner{
    flex: 0 0 auto; height: auto; order: 1;
    justify-content: flex-start;
    padding-top: 30px;
    padding-bottom: 0;
  }
}

@media (max-width: 860px){
  .slide__bg img{ object-position: 62% center; }
  .slide--line .slide__bg img{ object-position: 48% center; }
  .slide__bg::after{
    background: linear-gradient(180deg, rgba(10,11,13,.74) 0%, rgba(10,11,13,.82) 54%, rgba(10,11,13,.90) 100%);
  }
  .slide--line .slide__bg::after{
    background: linear-gradient(180deg, rgba(10,11,13,.56) 0%, rgba(10,11,13,.70) 54%, rgba(10,11,13,.84) 100%);
  }
  .hero__actions{ margin-top: 24px; }
}

@media (max-width: 860px){
  .split{ grid-template-columns: 1fr; gap: 44px; }
  .split--reverse .split__media{ order: 0; }
  .frame{ aspect-ratio: 4/3; }
  .cards-3{ grid-template-columns: 1fr; }
  .stats__grid{ grid-template-columns: 1fr 1fr; }
  .stat{ border-bottom: 1px solid rgba(255,255,255,.1); }
  .stat:nth-child(2n){ border-right:0; }
  .news-grid{ grid-template-columns: 1fr; }
  .values{ grid-template-columns: 1fr; gap: 30px; }
  .section-head{ flex-direction: column; align-items: flex-start; gap: 20px; }
  .hero{ height: 640px; min-height: 640px; }
  .slide__inner{ padding-bottom: 40px; }
  .hero__foot-inner{ font-size: 10px; letter-spacing: .1em; }
  .hero-tabs{ gap: 22px; }
  .hero-tab{ font-size: 10px; }
  .scroll-hint{ display:none; }
  .stat-badge{ right: 12px; bottom: 12px; padding: 16px 18px; min-width: 140px; }
  .stat-badge b{ font-size: 30px; }
  .form-grid{ grid-template-columns: 1fr; }
  .form-wrap{ padding: 30px 24px; }
  .news-item{ grid-template-columns: 1fr; gap: 18px; }
  .footer__grid{ grid-template-columns: 1fr 1fr; }
  .footer__grid > :last-child{ grid-column: auto; }
  .cta-band__inner{ flex-direction: column; align-items: flex-start; }
  .topbar__list li:nth-child(2){ display:none; }
  .topbar__right .lang{ display:none; }
  .sidebar{ grid-template-columns: 1fr; }
}

@media (max-width: 620px){
  .hero{ overflow: hidden; }
  .hero__foot-inner{ overflow: hidden; }
  .hero-tabs{ gap: 12px; }
  .hero-tab{ font-size: 9px; letter-spacing: .06em; }
  .hero-tab em{ font-size: 8px; }
  /* 第 1 张：小屏把文案压紧，给下方海报留位置 */
  .slide--poster .slide__bg{ height: 40%; }
  .slide--poster .hero__eyebrow{ font-size: 9px; letter-spacing: .13em; margin-bottom: 14px; }
  .slide--poster .hero__title{ font-size: clamp(27px, 8.4vw, 34px); line-height: .96; }
  .slide--poster .hero__text{ font-size: 13px; line-height: 1.7; margin-top: 14px; }
  .slide--poster .hero__actions{ margin-top: 18px; gap: 10px; }
  .slide--poster .hero__actions .btn{ height: 44px; font-size: 10px; padding: 0 16px; }
  .slide--poster .slide__inner{ padding-top: 22px; }
  .container{ padding: 0 20px; }
  .section{ padding: 62px 0; }
  .cats{ grid-template-columns: 1fr; }
  .cat{ aspect-ratio: 4/3.2; }
  .product-grid{ grid-template-columns: 1fr; }
  .footer__grid{ grid-template-columns: 1fr; gap: 34px; }
  .footer{ padding-top: 56px; }
  .hero__title{ font-size: clamp(36px, 11vw, 56px); }
  .hero__text{ font-size: 14.5px; }
  .btn{ height: 48px; padding: 0 22px; font-size: 11px; }
  .stat{ padding: 34px 22px; }
  .stat b{ font-size: 36px; }
  .page-hero{ padding: 62px 0 52px; }
  .topbar__list{ gap: 14px; font-size: 11.5px; }
  .topbar__list li span{ display:none; }
  .detail__thumbs{ grid-template-columns: repeat(4,1fr); }
  .news-item__media{ aspect-ratio: 16/10; }
  .form-wrap h2{ font-size: 21px; }
}