/* ==========================================================================
   河南圣运影视品牌官网 — 全局样式
   视觉调性：明亮、通透的白色影视质感；品牌红强调 + 金色点缀
   ========================================================================== */

:root{
  /* 主色：品牌红（暖）*/
  --brand:#C4161C;
  --brand-dark:#A31015;
  --brand-soft:#FBEAE4;
  --brand-line:#F2D2C9;

  /* 辅助色：暖金（点缀、小标签、分隔线）*/
  --gold:#C9A867;
  --gold-soft:#85682F;
  --gold-line:#E6D5B4;

  /* 文字：暖褐四阶，无纯黑、无冷灰 */
  --ink:#3A2B1F;
  --ink-2:#4E3C2D;
  --body:#6A5847;
  --muted:#74604C;
  --muted-2:#78634D;
  --muted-3:#7A664F;

  /* 描边与背景：米白系 */
  --line:#EDE0CE;
  --line-2:#F5ECDD;
  --white:#FFFFFF;
  --cream:#FBF7F0;
  --cream-2:#F8F1E6;
  --cream-3:#F7EFE2;
  --dark:#4E3C2D;

  --radius:10px;
  --radius-lg:14px;
  --radius-pill:999px;

  --shadow-sm:0 2px 8px rgba(92,66,38,.06);
  --shadow:0 10px 30px rgba(92,66,38,.09);
  --shadow-lg:0 20px 50px rgba(92,66,38,.12);

  --header-h:76px;
  --maxw:1200px;

  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",
         -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
section[id],div[id]{scroll-margin-top:88px;}
body{
  margin:0;
  font-family:var(--font);
  font-size:15px;
  line-height:1.75;
  color:var(--body);
  background:var(--white);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
/* height:auto 是必须的：<img> 上的 width/height 属性（用于预留空间防抖动）
   会被浏览器当作固定像素高度。若某处只写了 width:100% 而没写 height，
   图片就会被属性里的原始高度顶住、宽度却被容器压窄，从而被裁成竖条。
   这里统一 height:auto，让 aspect-ratio 与原始比例重新生效；
   需要固定高度的模块（hero、banner、封面卡等）都用选择器显式写了 height，不受影响。 */
img{max-width:100%;height:auto;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,h5{margin:0;color:var(--ink);font-weight:700;line-height:1.35;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}

/* ---------- 布局 ---------- */
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 40px;}
.container--narrow{max-width:900px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--cream{background:var(--cream);}
.section--cream2{background:var(--cream-2);}
.section--white{background:var(--white);}
.stack{display:flex;flex-direction:column;}

/* ---------- 通用文字 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:12px;
  font-size:12px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold-soft);line-height:1;
}
.eyebrow::before{content:"";width:30px;height:1px;background:var(--gold);flex:none;}
.eyebrow--center{justify-content:center;}

.h2{font-size:38px;line-height:1.35;letter-spacing:-.01em;}
.h3{font-size:26px;line-height:1.4;}
.h4{font-size:18px;line-height:1.5;}
.lead{font-size:15px;color:var(--muted);line-height:1.9;}

.section-head{margin-bottom:48px;max-width:680px;}
/* 居中版块：默认 680px 对多数文案够用，但首页「被信任的合作选择」那句
   行业列举单行需 705px，680 下最后一个字会被挤成孤行，故放宽到 740px；
   窄屏真折行时用 balance 均分两行，避免再出现单个字掉行 */
.section-head--center{margin-left:auto;margin-right:auto;text-align:center;max-width:740px;}
.section-head--center .lead{text-wrap:balance;}
.section-head--split{
  max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:40px;
}
.section-head--split .eyebrow{margin-bottom:16px;}
.section-head--split .h2{margin-bottom:14px;}
.section-head .eyebrow{margin-bottom:16px;}
.section-head .h2{margin-bottom:14px;}
.section-head .lead{margin:0;}

.text-brand{color:var(--brand);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  height:48px;padding:0 26px;border:1px solid transparent;border-radius:6px;
  font-size:15px;font-weight:500;white-space:nowrap;
  transition:background .22s ease,color .22s ease,border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.btn svg{width:15px;height:15px;flex:none;}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(196,22,28,.18);}
.btn--primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(196,22,28,.26);}
.btn--ghost{background:#fff;color:var(--ink);border-color:var(--line);}
.btn--ghost:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn--light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn--onred{background:#fff;color:var(--brand);border-color:#fff;box-shadow:0 10px 24px rgba(120,10,14,.22);}
.btn--onred:hover{background:#FFF6F2;color:var(--brand-dark);transform:translateY(-2px);box-shadow:0 14px 30px rgba(120,10,14,.28);}
.btn--light:hover{background:#fff;color:var(--ink);border-color:#fff;}
.btn--sm{height:40px;padding:0 20px;font-size:14px;}
.btn--block{width:100%;}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:500;color:var(--brand);
}
.link-arrow svg{width:14px;height:14px;transition:transform .22s ease;}
.link-arrow:hover svg{transform:translateX(4px);}

/* ==========================================================================
   Header
   ========================================================================== */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(12px);
  -webkit-backdrop-filter:saturate(160%) blur(12px);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease;
}
.header.is-scrolled{box-shadow:0 4px 24px rgba(60,48,30,.07);border-bottom-color:var(--line-2);}
.header--warm{background:rgba(251,247,240,.94);}
.header--warm.is-scrolled{background:rgba(255,255,255,.96);}
.header__inner{
  height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.brand{display:flex;align-items:center;gap:12px;flex:none;}
.brand__mark{
  width:auto;height:44px;display:flex;align-items:center;justify-content:center;flex:none;
  transition:transform .25s ease;
}
.brand__logo{height:100%;width:auto;object-fit:contain;}
.brand:hover .brand__mark{transform:translateY(-1px);}
.brand__text{display:flex;flex-direction:column;line-height:1.15;}
.brand__name{font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.01em;}
.brand__en{font-size:9px;font-weight:500;letter-spacing:.24em;color:var(--muted-3);text-transform:uppercase;}

/* ---------- 主导航 ---------- */
.nav{display:flex;align-items:center;gap:30px;}
.nav__link{
  position:relative;display:inline-flex;align-items:center;gap:5px;
  font-size:15px;color:var(--ink-2);padding:6px 0;white-space:nowrap;
}
.nav__link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .25s ease;
}
.nav__link:hover{color:var(--brand);}
.nav__link:hover::after,.nav__link.is-active::after{transform:scaleX(1);}
.nav__link.is-active{color:var(--brand);font-weight:500;}
.nav__chevron{width:11px;height:11px;opacity:.5;transition:transform .25s ease,opacity .25s ease;}
.nav__item{position:relative;display:flex;align-items:center;}
.nav__item:hover .nav__chevron,.nav__item:focus-within .nav__chevron{transform:rotate(180deg);opacity:.9;}

/* 下拉子菜单 */
.nav__sub{
  position:absolute;top:100%;left:50%;z-index:20;
  min-width:268px;padding:10px;margin-top:14px;
  background:#fff;border:1px solid var(--line-2);border-radius:12px;
  box-shadow:0 20px 44px rgba(60,48,30,.13);
  opacity:0;visibility:hidden;pointer-events:none;
  transform:translate(-50%,8px);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.nav__sub::before{
  content:"";position:absolute;left:0;right:0;top:-16px;height:16px;
}
.nav__item:hover .nav__sub,.nav__item:focus-within .nav__sub{
  opacity:1;visibility:visible;pointer-events:auto;transform:translate(-50%,0);
}
.nav__sub a{display:block;padding:10px 12px;border-radius:8px;transition:background .18s ease;}
.nav__sub a:hover{background:var(--cream);}
.nav__sub a::after{display:none;}
.nav__sub b{display:block;font-size:14px;font-weight:500;color:var(--ink);line-height:1.5;}
.nav__sub span{display:block;margin-top:1px;font-size:11.5px;color:var(--muted-3);line-height:1.6;letter-spacing:.02em;}
.nav__sub a:hover b{color:var(--brand);}

.header__actions{display:flex;align-items:center;gap:22px;flex:none;}
.header__tel{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--ink);}
.header__tel svg{width:15px;height:15px;flex:none;}

.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:8px;background:#fff;align-items:center;justify-content:center;padding:0;}
.nav-toggle span{display:block;width:18px;height:1.5px;background:var(--ink);position:relative;transition:.25s;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--ink);transition:.25s;}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
body.nav-open .nav-toggle span{background:transparent;}
body.nav-open .nav-toggle span::before{top:0;transform:rotate(45deg);}
body.nav-open .nav-toggle span::after{top:0;transform:rotate(-45deg);}

/* ==========================================================================
   Page banner
   ========================================================================== */
.banner{
  position:relative;overflow:hidden;
  background:linear-gradient(100deg,#FBF7F0 0%,#FCF9F3 52%,#FEFCF8 100%);
  padding:64px 0 72px;
  border-bottom:1px solid var(--line-2);
}
.banner__bg{position:absolute;inset:0;z-index:0;pointer-events:none;}
.banner__bg img{width:100%;height:100%;object-fit:cover;object-position:72% 46%;filter:saturate(.62) brightness(1.02);}
.banner__bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,#FBF7F0 0%,#FBF7F0 30%,rgba(251,247,240,.94) 46%,rgba(251,247,240,.60) 68%,rgba(251,247,240,.10) 100%);
}
.banner .container{position:relative;z-index:1;}
.banner__crumb{font-size:12px;color:var(--muted-2);margin-bottom:26px;letter-spacing:.02em;}
.banner__crumb a:hover{color:var(--brand);}
.banner .eyebrow{margin-bottom:16px;}
.banner h1{font-size:44px;line-height:1.28;letter-spacing:-.015em;}
.banner__lead{margin-top:16px;font-size:15px;color:var(--muted);line-height:1.9;max-width:640px;}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FBF7F0 0%,#FCF8F2 42%,#FDFBF6 70%,#FFFFFF 100%);
  padding:70px 0 66px;
}
.hero::before{
  content:"";position:absolute;right:-140px;top:-180px;width:760px;height:760px;border-radius:50%;
  background:radial-gradient(circle,rgba(196,22,28,.042),rgba(196,22,28,0) 66%);
  pointer-events:none;
}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.04fr .96fr;gap:66px;align-items:center;}
.hero__body{max-width:590px;}
.hero .eyebrow{color:var(--gold-soft);}
.hero .eyebrow::before{background:var(--gold);}
.hero h1{
  margin:24px 0 20px;color:var(--ink);
  font-size:50px;line-height:1.24;letter-spacing:-.025em;font-weight:800;
}
.hero__lead{font-size:15px;line-height:2;color:var(--muted);max-width:545px;}
.hero__tags{display:flex;flex-wrap:wrap;gap:9px;margin:20px 0 0;padding:0;list-style:none;}
.hero__tags li{
  font-size:12.5px;line-height:1;padding:8px 13px;white-space:nowrap;
  border:1px solid var(--gold-line);border-radius:999px;
  color:var(--ink-2);background:rgba(255,255,255,.72);
}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero__trust{
  display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  margin-top:36px;padding-top:24px;border-top:1px solid rgba(62,46,26,.12);
}
.hero__trust-label{font-size:12px;color:var(--muted-3);}
.hero__trust-item{
  font-size:13px;color:var(--ink-2);
  padding-right:18px;border-right:1px solid rgba(62,46,26,.12);
}
.hero__trust-item:last-child{border-right:0;padding-right:0;}

/* 首屏两组品牌信息的统一前缀标签（「企业文化：」「创作理念：」）
   两处字号/字距/颜色完全一致，靠"1px 级更小字号 + 浅金 + 更大字距"把标签与内容分开；
   gap 已在 flex 容器上给过间距，这里用负 margin 把 gap 和冒号后的空隙收回到 7-9px */
.hero__k{
  font-style:normal;font-size:11px;font-weight:600;
  letter-spacing:.16em;color:var(--gold);
}
/* 两处容器 gap 不同（eyebrow 12 / slogan 14），分别抵消到冒号后统一 6px，
   否则上下两行的「标签：内容」间距肉眼能看出不等 */
.eyebrow .hero__k{margin-right:-6px;}
.hero__slogan .hero__k{margin-right:-8px;}

/* 首屏品牌标语：接在按钮下方，与顶部 eyebrow「真诚 · 品质 · 共赢」同构，
   三个词组用金色圆点分隔，用一条细分隔线和上方内容轻轻划开 */
.hero__slogan{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  margin-top:34px;padding-top:22px;
  border-top:1px solid rgba(62,46,26,.12);
  font-size:15px;font-weight:600;letter-spacing:.16em;
  color:var(--ink-2);line-height:1;
}
.hero__slogan>span{white-space:nowrap;}
.hero__slogan-dot{
  width:4px;height:4px;border-radius:50%;
  background:var(--gold);flex:none;
  /* 抵消字间距，让圆点居中于两侧词组之间 */
  margin-left:2px;
}

/* 右侧影像 + 创立年份悬浮卡 */
.hero__media{position:relative;}
.hero__media img{
  width:100%;height:468px;object-fit:cover;object-position:56% 50%;
  border-radius:20px;box-shadow:0 28px 62px rgba(62,46,26,.18);
}
.hero__media::after{
  content:"";position:absolute;inset:0;border-radius:20px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.30);pointer-events:none;
}
.hero__badge{
  /* 左下角信息卡：整块压在图片内部，只盖住地面与受访者的两只鞋（含翘起那只）。
     两只鞋在 506×468 的图片里横跨 x 142~239、竖到 y≈452，卡片覆盖区间为
     x 22~258、y 348~458，四周都留出余量，鞋不会从任何一边露出来。 */
  position:absolute;left:22px;bottom:10px;width:236px;
  display:flex;flex-direction:column;gap:3px;
  background:#fff;border:1px solid var(--line-2);border-radius:14px;
  padding:16px 22px;box-shadow:0 18px 42px rgba(92,66,38,.18);
}
.hero__badge b{font-size:22px;color:var(--ink);font-weight:700;line-height:1.35;}
.hero__badge span{font-size:12px;color:var(--muted-2);}

/* ==========================================================================
   卡片：业务
   ========================================================================== */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}

.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:0 1px 2px rgba(92,66,38,.04);
  padding:32px 30px;display:flex;flex-direction:column;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--gold-line);}
.card__icon{
  width:48px;height:48px;border-radius:11px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:22px;flex:none;
}
.card__icon svg{width:23px;height:23px;}
.card__title{font-size:22px;margin-bottom:10px;}
.card__tag{font-size:13px;font-weight:500;color:var(--brand);margin-bottom:12px;}
.card__desc{font-size:13.5px;line-height:1.95;color:var(--muted);}
.card__more{margin-top:22px;padding-top:18px;border-top:1px solid var(--line-2);}

/* 四大核心业务：四列窄卡紧凑排版 */
@media (min-width:961px){
  .grid-4 .card{padding:28px 24px;}
  .grid-4 .card__icon{width:44px;height:44px;margin-bottom:18px;}
  .grid-4 .card__icon svg{width:21px;height:21px;}
  .grid-4 .card__title{font-size:19px;}
  .grid-4 .card__tag{font-size:12.5px;}
  .grid-4 .card__desc{font-size:13px;line-height:1.85;}
  .grid-4 .card__more{margin-top:20px;padding-top:16px;font-size:13px;}
}

/* ==========================================================================
   作品卡
   ========================================================================== */
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.work-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.work-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:var(--gold-line);}
.work-card__media{position:relative;overflow:hidden;aspect-ratio:8/5;background:var(--cream-3);}
.work-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.work-card:hover .work-card__media img{transform:scale(1.05);}
.work-card__tag{
  position:absolute;left:14px;top:14px;z-index:2;
  background:var(--brand);color:#fff;font-size:11px;font-weight:500;
  padding:4px 11px;border-radius:4px;letter-spacing:.04em;
}
.work-card__play{
  position:absolute;inset:0;z-index:1;display:flex;align-items:center;justify-content:center;
  background:rgba(28,22,16,.28);opacity:0;transition:opacity .3s ease;
}
.work-card:hover .work-card__play{opacity:1;}
.work-card__play i{
  width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.94);
  display:flex;align-items:center;justify-content:center;
}
.work-card__play i::after{
  content:"";width:0;height:0;border-left:14px solid var(--brand);
  border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:4px;
}
.work-card__body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.work-card__title{font-size:17px;line-height:1.5;margin-bottom:9px;}
.work-card__desc{font-size:13px;line-height:1.85;color:var(--muted);flex:1;}
.work-card__meta{margin-top:16px;font-size:12px;color:var(--muted-3);letter-spacing:.02em;}

/* 筛选 */
.filters{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.filter{
  height:38px;padding:0 20px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;font-size:13.5px;color:var(--ink-2);
  transition:.22s ease;
}
.filter:hover{border-color:var(--gold-line);color:var(--brand);}
.filter.is-active{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:500;}
.loadmore-wrap{display:flex;justify-content:center;margin-top:44px;}

/* ==========================================================================
   信任背书
   ========================================================================== */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:var(--cream);border-radius:var(--radius-lg);padding:34px 40px;margin-bottom:40px;
}
.stat{text-align:center;}
.stat__num{font-size:38px;font-weight:700;color:var(--brand);line-height:1.2;letter-spacing:-.01em;}
.stat__label{margin-top:8px;font-size:12.5px;color:var(--muted);}

.clients{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
.client{
  height:78px;border-radius:8px;background:var(--cream);border:1px solid transparent;
  display:flex;align-items:center;justify-content:center;text-align:center;padding:0 12px;
  font-size:14px;font-weight:500;color:var(--ink-2);
  transition:.25s ease;
}
.client:hover{background:var(--brand-soft);border-color:var(--brand-line);color:var(--brand);}
.client--featured{background:var(--brand);color:#fff;}
.client--featured:hover{background:var(--brand-dark);color:#fff;border-color:transparent;}

/* 三列变体（用于资质、历程等短内容网格） */
.devices.devices--3{grid-template-columns:repeat(3,1fr);}
.steps--3{grid-template-columns:repeat(3,1fr);gap:34px 22px;}
.steps--3 .step::after{display:none;}

/* 行业标签 */
.chips{display:flex;flex-wrap:wrap;gap:12px;}
.chip{
  padding:9px 18px;border-radius:var(--radius-pill);background:#fff;
  font-size:13px;color:var(--ink-2);box-shadow:var(--shadow-sm);
}

/* ==========================================================================
   关于 / 图文并排
   ========================================================================== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.split--wide-img{grid-template-columns:1.06fr 1fr;}
.split__media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);}
.split__media img{width:100%;height:100%;object-fit:cover;}

.checklist{display:flex;flex-direction:column;gap:18px;}
.checklist li{display:flex;gap:12px;align-items:flex-start;font-size:13.5px;line-height:1.9;color:var(--ink-2);}
.checklist li svg{width:17px;height:17px;flex:none;margin-top:5px;}
.checklist li b{color:var(--ink);font-weight:600;}

/* ==========================================================================
   业务模块（交替图文）
   ========================================================================== */
.module{padding:84px 0;}
main > .module:nth-child(odd){background:var(--cream);}
.module__inner{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.module--reverse .module__media{order:2;}
.module__media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);}
.module__media img{width:100%;aspect-ratio:5/3.5;object-fit:cover;}
.module__icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:48px;height:48px;border-radius:13px;
  background:#FDF6E9;border:1px solid #F3E7D2;margin-bottom:22px;
}
.module__icon svg{width:23px;height:23px;display:block;}
.module__no{font-size:11px;font-weight:600;letter-spacing:.2em;color:var(--muted-2);text-transform:uppercase;}
.module__title{font-size:32px;margin:12px 0 10px;letter-spacing:-.01em;}
.module__claim{font-size:15px;font-weight:500;color:var(--brand);}
.module__desc{margin-top:16px;font-size:14px;line-height:2;color:var(--muted);}
.spec{margin-top:26px;display:grid;grid-template-columns:1fr 1fr;gap:26px;}
.spec__title{font-size:13px;font-weight:600;color:var(--ink);margin-bottom:12px;letter-spacing:.04em;}
.spec li{
  position:relative;padding-left:20px;font-size:13px;line-height:2.05;color:var(--muted);
}
.spec li::before{
  content:"";position:absolute;left:0;top:7px;width:12px;height:12px;background:var(--brand);
  -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M1.3 6.3l3 3 6.4-6.6' fill='none' stroke='%23000' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
          mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpath d='M1.3 6.3l3 3 6.4-6.6' fill='none' stroke='%23000' stroke-width='1.9' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/contain no-repeat;
}
.module__cta{margin-top:30px;}

/* 设备 */
.devices{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.device{
  background:#fff;border-radius:var(--radius);padding:22px 20px;border:1px solid var(--line);
  transition:.25s ease;
}
.section--white .device{background:var(--cream);border-color:var(--line);}
.device:hover{border-color:var(--gold-line);box-shadow:var(--shadow-sm);transform:translateY(-3px);}
.device__name{font-size:14.5px;font-weight:600;color:var(--ink);}
.device__cat{margin-top:6px;font-size:12px;color:var(--muted-2);}

.serv-tags{display:flex;flex-wrap:wrap;gap:10px;}
.serv-tag{
  padding:8px 16px;border-radius:6px;background:#fff;border:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
}
.media-logos{display:flex;flex-wrap:wrap;gap:10px;}
.media-logo{
  padding:9px 18px;border-radius:var(--radius-pill);background:#fff;
  font-size:13px;color:var(--ink-2);box-shadow:var(--shadow-sm);
}

/* ==========================================================================
   流程
   ========================================================================== */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:22px;}
.step{padding:0 20px 0 0;position:relative;}
.step::after{
  content:"";position:absolute;right:0;top:14px;width:1px;height:calc(100% - 28px);background:var(--line);
}
.step:last-child::after{display:none;}
.step__no{font-size:26px;font-weight:700;color:var(--brand);line-height:1;letter-spacing:-.02em;}
.step__title{margin:12px 0 10px;font-size:16px;}
.step__desc{font-size:12.5px;line-height:1.85;color:var(--muted);}
.step__detail{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);}
.step__detail li{
  position:relative;padding-left:14px;font-size:12px;line-height:1.9;color:var(--muted-2);
}
.step__detail li::before{
  content:"";position:absolute;left:0;top:11px;width:4px;height:4px;border-radius:50%;background:var(--gold);
}

/* ==========================================================================
   FAQ
   ========================================================================== */
.faq{border-top:1px solid var(--line);max-width:900px;}
.faq__item{border-bottom:1px solid var(--line);}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 0;background:none;border:0;text-align:left;
  font-size:16px;font-weight:500;color:var(--ink);
}
.faq__q:hover{color:var(--brand);}
.faq__q i{
  position:relative;width:16px;height:16px;flex:none;
}
.faq__q i::before,.faq__q i::after{
  content:"";position:absolute;background:var(--ink-2);transition:transform .28s ease,background .2s;
}
.faq__q i::before{left:0;top:7.5px;width:16px;height:1.5px;}
.faq__q i::after{left:7.5px;top:0;width:1.5px;height:16px;}
.faq__item.is-open .faq__q{color:var(--brand);}
.faq__item.is-open .faq__q i::after{transform:rotate(90deg);background:var(--brand);}
.faq__item.is-open .faq__q i::before{background:var(--brand);}
.faq__a{display:none;padding:0 0 24px;font-size:13.5px;line-height:2;color:var(--muted);max-width:820px;}
.faq__item.is-open .faq__a{display:block;}

/* ==========================================================================
   案例卡
   ========================================================================== */
.case-card{
  background:var(--cream);border:1px solid transparent;border-radius:var(--radius);padding:0;
  display:flex;flex-direction:column;overflow:hidden;transition:.28s ease;
}
.case-card:hover{background:#fff;border-color:var(--gold-line);box-shadow:var(--shadow);transform:translateY(-4px);}
.case-card__media{aspect-ratio:16/10;overflow:hidden;background:var(--cream-3);}
.case-card__media img{
  display:block;width:100%;height:100%;object-fit:cover;
  transition:transform .6s cubic-bezier(.22,.61,.36,1);
}
.case-card:hover .case-card__media img{transform:scale(1.045);}
.case-card__body{padding:22px 26px 26px;display:flex;flex-direction:column;flex:1;}
.case-card__name{margin:0 0 10px;font-size:18px;}
.case-card__desc{font-size:13.5px;line-height:1.95;color:var(--muted);}

/* 业务类型 / 行业场景：两个小标，比一行灰字一眼能分得清 */
.case-card__tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:13px;}
.case-card__chip{
  padding:4px 10px;border-radius:var(--radius-pill);
  font-size:10.5px;font-weight:600;letter-spacing:.08em;line-height:1.5;
  background:var(--brand-soft);color:var(--brand);
}
.case-card__chip--soft{background:#F3EBDB;color:var(--gold-soft);}

/* 项目信息：label 定宽成两栏，冒号后的内容自动对齐，扫一眼就能比 */
.case-card__facts{
  margin-top:16px;padding-top:15px;border-top:1px dashed var(--line);
  display:flex;flex-direction:column;gap:8px;
}
.case-card__facts li{
  display:grid;grid-template-columns:4.8em 1fr;gap:10px;
  font-size:12.5px;line-height:1.7;color:var(--muted);
}
.case-card__facts b{font-weight:600;color:var(--ink-2);}

/* ==========================================================================
   使命与愿景
   独立于作品卡：白卡 + 实描边 + 柔和投影，在 --cream-2 米色底上明确浮起；
   顶部品牌红细线做统一标识。作品卡 .case-card 是 padding:0 且无边框的，
   复用它会让文字贴边，这里必须单独一套。
   ========================================================================== */
.mission-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:stretch;}
.mission-card{
  position:relative;overflow:hidden;
  display:flex;flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:38px 36px 34px;
  box-shadow:0 1px 2px rgba(92,66,38,.05), 0 16px 38px -18px rgba(92,66,38,.16);
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.mission-card::before{
  content:"";position:absolute;left:0;top:0;width:150px;height:3px;
  background:linear-gradient(90deg,var(--brand),rgba(196,22,28,0));
}
.mission-card:hover{
  border-color:var(--gold-line);
  box-shadow:0 1px 2px rgba(92,66,38,.05), 0 26px 54px -20px rgba(92,66,38,.24);
  transform:translateY(-3px);
}
.mission-card__tag{
  display:inline-flex;align-items:center;gap:9px;
  font-size:11.5px;font-weight:600;letter-spacing:.2em;line-height:1;
  color:var(--brand);
}
.mission-card__tag::before{
  content:"";width:18px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),rgba(196,22,28,.35));
}
.mission-card__name{
  margin:18px 0 14px;
  font-size:21px;line-height:1.42;font-weight:700;letter-spacing:-.01em;
  color:var(--ink);
}
.mission-card__desc{
  font-size:13.5px;line-height:2;color:var(--muted);text-wrap:pretty;
}
@media (max-width:720px){
  .mission-grid{grid-template-columns:1fr;gap:18px;}
  .mission-card{padding:28px 24px 26px;}
  .mission-card__name{font-size:19px;margin:15px 0 12px;}
}

/* ==========================================================================
   新闻
   ========================================================================== */
.feature{display:grid;grid-template-columns:1.15fr 1fr;gap:56px;align-items:center;}
.feature__media{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);}
.feature__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease;}
.feature:hover .feature__media img{transform:scale(1.03);}
.feature__meta{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.news-tag{
  background:var(--brand-soft);color:var(--brand);font-size:11.5px;font-weight:500;
  padding:4px 11px;border-radius:4px;
}
.news-date{font-size:12px;color:var(--muted-3);letter-spacing:.04em;}
/* 置顶新闻标记：红底白字，出现在列表行、大图卡与详情页标题上方 */
.pin-tag{
  display:inline-block;background:var(--brand);color:#fff;font-size:10.5px;font-weight:600;
  padding:3px 8px;border-radius:4px;letter-spacing:.04em;
}
.news-row__cat .pin-tag{margin-right:6px;vertical-align:1px;}
.feature__title{font-size:27px;line-height:1.5;}
.feature__desc{margin-top:16px;font-size:13.5px;line-height:2;color:var(--muted);}
.feature__more{margin-top:24px;}

.news-list{border-top:1px solid var(--line);margin-top:56px;}
.news-row{
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  padding:26px 4px;border-bottom:1px solid var(--line);transition:.25s ease;
}
.news-row:hover{background:var(--cream);padding-left:16px;padding-right:16px;}
.news-row__title{font-size:17px;font-weight:500;color:var(--ink);line-height:1.6;}
.news-row:hover .news-row__title{color:var(--brand);}
.news-row__cat{margin-top:8px;font-size:12px;color:var(--muted-3);}
.news-row__date{font-size:12.5px;color:var(--muted-3);flex:none;letter-spacing:.04em;}

/* 首页「最新动态」：左头条 + 右两条小条（三条同规格平铺会像公告栏） */
.news-home{display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:stretch;}
.news-lead{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);
  transition:transform .3s ease,box-shadow .3s ease;
}
.news-lead:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
/* 白底线稿图（如 LOGO 释义）容易和白卡糊成一片，这条细线让图片区始终有边界 */
.news-lead__media{aspect-ratio:16/9;overflow:hidden;background:var(--cream-3);border-bottom:1px solid var(--line-2);}
.news-lead__media img{
  display:block;width:100%;height:100%;object-fit:cover;
  transition:transform .6s cubic-bezier(.22,.61,.36,1);
}
.news-lead:hover .news-lead__media img{transform:scale(1.04);}
.news-lead__body{padding:26px 30px 30px;display:flex;flex-direction:column;flex:1;}
.news-lead__title{margin:12px 0 0;font-size:21px;line-height:1.55;color:var(--ink);transition:color .25s ease;}
.news-lead:hover .news-lead__title{color:var(--brand);}
.news-lead__desc{
  margin-top:12px;font-size:13px;line-height:1.95;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-lead .link-arrow{margin-top:auto;padding-top:20px;}
.news-side{display:flex;flex-direction:column;justify-content:space-between;}
.news-side .news-row{padding:28px 4px;}
.news-side .news-row:first-child{padding-top:4px;}
.news-side .news-row:last-child{padding-bottom:4px;border-bottom:0;}

.article{max-width:820px;margin:0 auto;}
.article__meta{display:flex;align-items:center;gap:14px;margin-bottom:20px;}
.article h1{font-size:34px;line-height:1.45;}
.article__cover{margin:36px 0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);}
.article__cover img{width:100%;}
.article__body{font-size:15.5px;line-height:2.1;color:var(--body);}
.article__body p{margin-bottom:24px;}
.article__body p:last-child{margin-bottom:0;}
.article__body h2{font-size:22px;margin:44px 0 18px;}
.article__body h3{font-size:18px;margin:34px 0 14px;color:var(--ink);}
.article__body ul{margin:0 0 24px;list-style:none;}
.article__body li{position:relative;padding-left:20px;margin-bottom:12px;line-height:1.95;}
.article__body ul li::before{
  content:"";position:absolute;left:2px;top:15px;width:6px;height:6px;border-radius:50%;background:var(--gold);
}
/* 有序列表：用原生序号，不再画圆点 */
.article__body ol{margin:0 0 24px;padding-left:22px;list-style:decimal;}
.article__body ol li{padding-left:2px;}
.article__body ol li::before{content:none;}
/* 后台富文本编辑器可产出的行内与块级样式 */
.article__body strong,.article__body b{font-weight:700;color:var(--ink);}
.article__body em{font-style:italic;}
.article__body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article__body blockquote{
  margin:0 0 24px;padding:16px 24px;border-left:3px solid var(--gold);
  background:var(--cream);color:var(--ink);border-radius:0 var(--radius-sm,6px) var(--radius-sm,6px) 0;
}
.article__body blockquote p:last-child{margin-bottom:0;}
.article__body figure{margin:32px 0;}
.article__body figure img{width:100%;display:block;border-radius:var(--radius);box-shadow:var(--shadow);}
.article__body figcaption{margin-top:12px;font-size:12.5px;color:var(--muted-3);text-align:center;line-height:1.7;}
.article__body img{max-width:100%;height:auto;border-radius:var(--radius);}
.article__body hr{border:0;border-top:1px solid var(--line);margin:38px 0;}
.article__nav{display:flex;justify-content:space-between;gap:20px;margin-top:56px;padding-top:28px;border-top:1px solid var(--line);font-size:14px;}

/* ==========================================================================
   作品详情
   ========================================================================== */
.work-hero{padding:52px 0 0;}
/* 长标题在窄屏折行时尽量两行等长，避免末行只剩两三个字 */
.work-hero h1{text-wrap:balance;}
.work-hero__cover{margin-top:44px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);}
.work-hero__cover img{width:100%;aspect-ratio:16/8;object-fit:cover;}
/* 成片播放：16:9 自适应，视频由第三方平台提供 */
.work-video{margin-top:34px;}
.work-video__frame{
  position:relative;aspect-ratio:16/9;width:100%;overflow:hidden;
  border-radius:var(--radius-lg);background:#0d0d0f;box-shadow:var(--shadow-lg);
}
.work-video__frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0;}
.work-video__player{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#000;}
/* 平台不允许嵌入时：缩略图 + 播放键，点击到原平台观看 */
.work-poster{
  position:relative;display:block;aspect-ratio:16/9;overflow:hidden;
  border-radius:var(--radius-lg);background:#0e0e10;box-shadow:var(--shadow-lg);
}
.work-poster img{width:100%;height:100%;object-fit:cover;transition:transform .7s cubic-bezier(.2,.6,.2,1);}
.work-poster__shade{
  position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(0,0,0,.04) 40%,rgba(0,0,0,.38));
}
.work-poster__play{
  position:absolute;left:50%;top:50%;width:72px;height:72px;
  transform:translate(-50%,-50%);pointer-events:none;
  filter:drop-shadow(0 8px 22px rgba(0,0,0,.38));
  transition:transform .28s ease;
}
.work-poster__tag{
  position:absolute;right:16px;bottom:14px;
  font-size:12px;line-height:1;color:#fff;letter-spacing:.02em;
  background:rgba(0,0,0,.42);padding:8px 11px;border-radius:7px;
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.work-poster:hover img,.work-poster:focus-visible img{transform:scale(1.035);}
.work-poster:hover .work-poster__play,.work-poster:focus-visible .work-poster__play{transform:translate(-50%,-50%) scale(1.08);}
.work-poster:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}
.work-info{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;background:var(--cream);border-radius:var(--radius);padding:26px 30px;}
.work-info__k{font-size:12px;color:var(--muted-2);margin-bottom:6px;}
.work-info__v{font-size:15px;font-weight:500;color:var(--ink);}
/* 作品详情「项目说明」：左右边界与上方封面/播放窗口严格重合（同 container 宽度），
   字号随视口微调，保证撑满宽度后仍不过小、也不过挤 */
.work-detail{max-width:none;}
.work-detail .article__body{
  max-width:none;
  font-size:clamp(16.5px, 1.25vw, 18px);
  line-height:1.95;
  letter-spacing:.005em;
  text-wrap:pretty;
}
.work-detail .article__body p{margin-bottom:26px;}
.work-detail .article__body p:last-child{margin-bottom:0;}
/* 正文末段去掉下边距后，由这条规则保证按钮区仍有固定间距 */
.work-detail .article__body + div{margin-top:34px;}

/* ==========================================================================
   联系
   ========================================================================== */
.contact-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:start;}
.info-card{
  display:flex;gap:16px;align-items:flex-start;background:#fff;
  border-radius:var(--radius);padding:20px 22px;margin-bottom:14px;
}
.info-card__icon{
  width:42px;height:42px;border-radius:10px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;flex:none;
}
.info-card__icon svg{width:19px;height:19px;}
.info-card__k{display:block;font-size:11.5px;color:var(--muted-2);letter-spacing:.06em;}
.info-card__v{display:block;margin-top:4px;font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;}
.info-card__v--sm{font-size:13.5px;font-weight:500;line-height:1.8;}
.note-soft{background:var(--cream-2);border-radius:var(--radius);padding:18px 22px;font-size:13px;line-height:1.9;color:var(--muted);}
/* 地址栏的「地址1：/ 地址2：」用固定宽度定住标签右边界，地址起点才会整齐成一条线；
   4.5em ≈ 标签实宽 3.5em + 1em 间隔，与页面其它标签后的留白一致 */
.note-soft b{display:inline-block;min-width:4.5em;}

.form{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:38px 36px;box-shadow:0 24px 60px rgba(60,48,30,.07);
}
.form__title{font-size:21px;}
.form__sub{margin-top:8px;font-size:12.5px;color:var(--muted-2);}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{margin-top:20px;display:flex;flex-direction:column;gap:8px;}
.field > label{font-size:12.5px;font-weight:500;color:var(--ink-2);}
.field input,.field select,.field textarea{
  width:100%;font-family:inherit;font-size:14px;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:6px;
  padding:0 14px;height:46px;transition:border-color .2s,box-shadow .2s;
}
.field textarea{height:118px;padding:12px 14px;line-height:1.8;resize:vertical;}
.field select{appearance:none;-webkit-appearance:none;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M6 9.5l6 6 6-6' stroke='%238A7560' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:38px;}
.field input::placeholder,.field textarea::placeholder{color:#A6917B;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(196,22,28,.09);
}
.field.is-error input,.field.is-error textarea{border-color:var(--brand);}
.field__err{display:none;font-size:12px;color:var(--brand);}
.field.is-error .field__err{display:block;}
.form__submit{margin-top:26px;}
.form__note{margin-top:14px;font-size:11.5px;color:var(--muted-3);text-align:center;}

.toast{
  position:fixed;left:50%;bottom:40px;transform:translate(-50%,20px);z-index:200;
  background:#4E3C2D;color:#fff;font-size:14px;padding:14px 26px;border-radius:8px;
  box-shadow:0 16px 40px rgba(70,48,28,.26);opacity:0;pointer-events:none;transition:.32s ease;
  display:flex;align-items:center;gap:10px;
}
.toast.is-show{opacity:1;transform:translate(-50%,0);}

/* ==========================================================================
   CTA band
   ========================================================================== */
.cta-band{position:relative;background:linear-gradient(115deg,#C4161C 0%,#B31318 58%,#A31015 100%);overflow:hidden;}
.cta-band__bg{position:absolute;inset:0;opacity:.16;mix-blend-mode:luminosity;}
.cta-band__bg img{width:100%;height:100%;object-fit:cover;}
.cta-band__inner{
  position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;
  gap:40px;padding-block:60px;
}
.cta-band::after{content:"";position:absolute;right:-60px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.16),rgba(255,255,255,0) 68%);pointer-events:none;}
.cta-band h2{font-size:29px;color:#fff;line-height:1.45;}
.cta-band p{margin-top:10px;font-size:13.5px;color:rgba(255,255,255,.88);}
.cta-band__actions{display:flex;align-items:center;gap:26px;flex:none;}
.cta-band__tel{
  display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 22px;
  border:1px solid rgba(255,255,255,.55);border-radius:6px;
  font-size:17px;font-weight:600;color:#fff;letter-spacing:.02em;
  transition:background .22s ease,border-color .22s ease;
}
.cta-band__tel svg{width:16px;height:16px;flex:none;filter:brightness(0) invert(1);}
.cta-band__tel:hover{background:rgba(255,255,255,.14);border-color:#fff;}

/* ---------- 软件著作权证书卡 ---------- */
.cert-card{
  margin-top:26px;display:grid;grid-template-columns:268px 1fr;gap:46px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:34px 38px;
}
.cert-card__media{
  border-radius:10px;overflow:hidden;border:1px solid var(--line-2);
  box-shadow:0 8px 24px rgba(92,66,38,.10);
}
.cert-card__media img{width:100%;display:block;}
.cert-card__title{font-size:21px;margin:12px 0 12px;line-height:1.55;letter-spacing:-.005em;}
.cert-card__desc{font-size:13.5px;line-height:2;color:var(--muted);}
.cert-card__meta{display:flex;flex-wrap:wrap;gap:12px 36px;margin:20px 0 18px;}
.cert-card__meta li{display:flex;align-items:baseline;gap:9px;}
.cert-card__meta span{font-size:12px;color:var(--muted-3);}
.cert-card__meta b{font-size:13px;color:var(--ink);font-weight:600;}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer{background:var(--cream-3);border-top:1px solid var(--line-2);padding:64px 0 0;}
.footer__top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.5fr;gap:40px;padding-bottom:44px;}
.footer__desc{margin-top:18px;font-size:12.5px;line-height:2;color:var(--muted);}
.footer__claim{margin-top:14px;font-size:13px;font-weight:500;color:var(--gold-soft);letter-spacing:.02em;}
/* 页脚栏目标题用 <p> 而不是 <h4>：页脚只是导航快捷入口，不当成文档标题，
   否则各页主体只到 h2，页脚突然 h4 就形成层级跳跃 */
.footer__col .footer__title{font-size:14px;margin-bottom:16px;font-weight:700;color:var(--ink);line-height:1.35;}
.footer__col li{margin-bottom:11px;}
.footer__col a{font-size:12.5px;color:var(--muted);}
.footer__col a:hover{color:var(--brand);}
.footer__contact{display:flex;gap:10px;align-items:flex-start;font-size:12.5px;color:var(--ink-2);line-height:1.9;margin-bottom:14px;}
.footer__contact svg{width:14px;height:14px;flex:none;margin-top:6px;}
.footer__bottom{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer__bottom span{font-size:11.5px;color:var(--muted-2);}
/* 工信部要求备案号在首页底部可见并链接到 beian.miit.gov.cn。
   字号比版权文字略大一档、颜色加深，既不抢视觉，抽查时又能看清 */
.footer__bottom .beian{
  font-size:12.5px;color:var(--ink-2);text-decoration:none;
  padding:2px 0;border-bottom:1px solid transparent;transition:color .2s,border-color .2s;
}
.footer__bottom .beian:hover{color:var(--brand);border-bottom-color:var(--brand);}

/* ==========================================================================
   滚动动效
   ========================================================================== */
/* 渐进增强：只有 <html> 上带 .js（由 <head> 内联脚本添加）才预先隐藏。
   JS 被禁用或脚本没跑起来时，下面这条隐藏规则不生效，内容照常可见，
   不会出现"整站空白"——这是保证内容可用性的兜底 */
.reveal{transition:opacity .7s cubic-bezier(.22,.61,.36,1),transform .7s cubic-bezier(.22,.61,.36,1);}
.js .reveal{opacity:0;transform:translateY(24px);}
.js .reveal.is-in,.reveal.is-in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .js .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}

/* ==========================================================================
   响应式
   ========================================================================== */
@media (max-width:1120px){
  .container{padding:0 32px;}
  .nav{gap:26px;}
  .header__tel{display:none;}
  .hero h1{font-size:44px;}
  .hero__inner{gap:46px;}
  .clients{grid-template-columns:repeat(3,1fr);}
  .devices{grid-template-columns:repeat(3,1fr);}
  .steps{grid-template-columns:repeat(3,1fr);gap:28px 22px;}
  .step::after{display:none;}
}

@media (max-width:960px){
  .section{padding:72px 0;}
  .nav{gap:20px;}
  .nav__link{font-size:14px;}
  .banner h1{font-size:34px;}
  .h2{font-size:30px;}
  .grid-3,.works-grid{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .split,.module__inner,.feature,.contact-grid,.news-home{grid-template-columns:1fr;gap:36px;}
  .module--reverse .module__media{order:0;}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px;padding:30px;}
  .footer__top{grid-template-columns:1fr 1fr;gap:36px;}
  .work-info{grid-template-columns:1fr;gap:16px;}
  .cta-band__inner{flex-direction:column;align-items:flex-start;}
}

@media (max-width:860px){
  .hero{padding:46px 0 52px;}
  .hero__inner{grid-template-columns:1fr;gap:38px;}
  .hero__body{max-width:none;}
  .hero__media{order:2;}
  .hero__media img{height:340px;}
  /* 单栏后图片变窄，卡片改为自适应宽度并贴住左下角，仍压住双脚 */
  .hero__badge{left:16px;bottom:12px;width:auto;max-width:62%;}
  .hero__trust{margin-top:28px;}
  .hero__slogan{margin-top:28px;padding-top:18px;font-size:14px;gap:12px;}
  .cert-card{grid-template-columns:200px 1fr;gap:28px;padding:26px;}
  .banner{padding:44px 0 50px;}
  .banner__bg{opacity:.55;}
  .banner__bg::after{background:linear-gradient(180deg,rgba(251,247,240,.95),rgba(251,247,240,.86));}
  .banner h1{font-size:32px;}
  /* 手机端：导航平铺在顶部，不再藏进抽屉 */
  .header .header__inner{height:auto;flex-wrap:wrap;align-items:center;gap:0;padding-top:10px;}
  .brand__en{display:none;}
  .nav-toggle{display:none;}
  .header__actions .btn{display:none;}
  .nav{
    order:3;flex:0 0 100%;width:100%;
    height:44px;gap:0;margin-top:2px;
    border-top:1px solid var(--line-2);
    overflow-x:auto;overflow-y:hidden;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;-ms-overflow-style:none;
  }
  .nav::-webkit-scrollbar{display:none;}
  /* 右侧渐隐，提示导航还能继续往左滑 */
  .header .header__inner{position:relative;}
  .header__inner::after{
    content:"";position:absolute;right:0;bottom:0;width:40px;height:46px;
    background:linear-gradient(90deg,rgba(251,247,240,0),rgba(251,247,240,.96));
    pointer-events:none;opacity:0;transition:opacity .2s ease;
  }
  .header.is-scrolled .header__inner::after{
    background:linear-gradient(90deg,rgba(255,255,255,0),rgba(255,255,255,.96));
  }
  .header.has-more .header__inner::after{opacity:1;}
  .nav__item,.nav__link{flex:none;}
  .nav__link{height:44px;padding:0;margin-right:22px;font-size:14.5px;}
  .nav__item{margin-right:22px;}
  .nav__item .nav__link{margin-right:0;}
  .nav__link:last-child{margin-right:0;}
  .nav__link::after{bottom:8px;}
  .nav__chevron{display:none;}
  .nav__sub{display:none;}
  .header__actions{gap:12px;}
  .header .header__tel{display:flex;font-size:14px;}
}

@media (max-width:720px){
  .container{padding:0 20px;}
  .hero{padding:34px 0 40px;}
  .hero__inner{gap:30px;}
  .hero h1{font-size:34px;line-height:1.3;}
  .hero__lead{font-size:14px;line-height:1.95;}
  .hero__cta .btn{flex:1;min-width:140px;}
  .hero__media img{height:260px;border-radius:14px;}
  /* 手机端图片高度只有 260px，信息卡若沿用桌面尺寸会占到图高 1/3 以上、压住人物。
     这里按"卡片宽 ÷ 图片宽"的桌面比例（约 46%）整体等比缩小：宽度由内容撑开、
     字号与内边距同步收小，视觉体积接近桌面比例，又不至于小到看不清。 */
  /* 上限给到 62%：卡片实际宽度由文字撑开（约 162px），这个值只在极窄屏
     （320px 手机）兜底，避免把"广播电视节目制作经营许可单位"压成两行。 */
  .hero__badge{left:10px;bottom:8px;padding:8px 12px;border-radius:9px;gap:1px;max-width:62%;}
  .hero__badge b{font-size:15px;line-height:1.3;}
  .hero__badge span{font-size:9.5px;line-height:1.5;}
  .cert-card{grid-template-columns:1fr;gap:22px;padding:22px;margin-top:20px;}
  .cert-card__media{max-width:220px;}
  .section{padding:56px 0;}
  .section--tight{padding:44px 0;}
  .section-head{margin-bottom:32px;}
  .h2{font-size:26px;}
  .h3{font-size:21px;}
  .banner{padding:36px 0 40px;}
  .banner h1{font-size:28px;}
  .grid-3,.grid-2,.grid-4,.works-grid{grid-template-columns:1fr;}
  .clients{grid-template-columns:repeat(2,1fr);}
  .devices,.devices.devices--3{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;gap:26px;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat__num{font-size:30px;}
  .form{padding:26px 20px;}
  .form__row{grid-template-columns:1fr;}
  .spec{grid-template-columns:1fr;gap:20px;}
  .module{padding:52px 0;}
  .module__title{font-size:25px;}
  .feature__title{font-size:22px;}
  .news-row{flex-direction:column;align-items:flex-start;gap:12px;}
  .footer__top{grid-template-columns:1fr;gap:32px;}
  .footer__bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .article h1{font-size:26px;}
  .article__body{font-size:15px;}
  .section-head--split{flex-direction:column;align-items:flex-start;gap:16px;}
  .devices.devices--3,.steps--3{grid-template-columns:1fr;}
  .cta-band__inner{padding-block:44px;}
  .cta-band h2{font-size:23px;}
  .cta-band__actions{flex-direction:column;align-items:flex-start;gap:14px;}
  .work-hero__cover img{aspect-ratio:16/10;}
}

@media (max-width:560px){
  .header__tel{display:none;}
  .brand{gap:10px;}
  .brand__mark{height:38px;}
  .brand__name{font-size:17px;}
  .brand__en{font-size:8px;letter-spacing:.18em;}
  .header__actions{gap:10px;}
}

/* ---------- 关注我们 · 社交二维码 ---------- */
.follow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.follow-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px 22px 26px;text-align:center;box-shadow:var(--shadow-sm);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.follow-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--gold-line);}
.follow-card__media{
  background:var(--cream);border:1px solid var(--line-2);border-radius:var(--radius);
  padding:14px;max-width:248px;margin:0 auto;
}
.follow-card__media img{width:100%;height:auto;border-radius:6px;}
.follow-card__tag{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  font-size:11.5px;font-weight:600;letter-spacing:.16em;color:var(--gold-soft);
}
.follow-card__tag::before{content:"";width:14px;height:1px;background:var(--gold);flex:none;}
.follow-card__name{margin-top:8px;font-size:17px;line-height:1.5;color:var(--ink);}
.follow-card__meta{margin-top:4px;font-size:12.5px;color:var(--muted-3);letter-spacing:.02em;}
.follow-card__hint{
  display:inline-block;margin-top:14px;padding:5px 13px;border-radius:var(--radius-pill);
  background:var(--brand-soft);color:var(--brand);font-size:11.5px;font-weight:500;letter-spacing:.04em;
}

.footer__follow{margin-top:24px;}
.footer__follow-title{font-size:11.5px;letter-spacing:.16em;color:var(--gold-soft);margin-bottom:12px;}
.footer__qrs{display:flex;gap:12px;}
.footer__qr{display:block;text-align:center;}
.footer__qr img{
  width:82px;height:82px;object-fit:cover;border-radius:8px;background:var(--white);
  border:1px solid var(--line);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.footer__qr:hover img{transform:translateY(-2px);box-shadow:var(--shadow-sm);border-color:var(--gold-line);}
.footer__qr span{display:block;margin-top:6px;font-size:11px;color:var(--muted-2);}

@media (max-width:980px){
  .follow-grid{grid-template-columns:1fr 1fr;gap:20px;}
  .follow-card{padding:18px 18px 22px;}
  .follow-card__media{max-width:210px;}
}
@media (max-width:640px){
  .follow-grid{grid-template-columns:1fr;gap:16px;}
  .follow-card__media{max-width:200px;}
}

/* ---------- 表单提交状态 ---------- */
.form__state{
  display:none;margin-top:12px;padding:10px 13px;border-radius:8px;
  font-size:12.5px;line-height:1.75;
}
.form__state.is-ok{display:block;background:var(--cream-2);border:1px solid var(--gold-line);color:var(--ink-2);}
.form__state.is-err{display:block;background:var(--brand-soft);border:1px solid var(--brand-line);color:var(--brand);}
.form__fallback{margin-top:12px;font-size:12px;line-height:1.8;color:var(--muted-3);}
.form__fallback a{color:var(--brand);font-weight:500;border-bottom:1px solid var(--brand-line);}
.field__opt{margin-left:6px;font-size:11px;font-weight:400;color:var(--muted-3);letter-spacing:0;}

/* 案例区末尾的引流转接：案例只是作品库的子集，看完往作品库再带一次 */
.cases-more{margin-top:28px;text-align:center;}
.cases-more__link{
  display:inline-flex;align-items:center;gap:9px;
  padding:9px 22px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--white);
  font-size:13px;color:var(--ink-2);letter-spacing:.02em;transition:.22s ease;
}
.cases-more__link:hover{
  border-color:var(--gold-line);color:var(--brand);background:var(--cream-2);
  transform:translateY(-1px);box-shadow:var(--shadow-sm);
}
.cases-more__arrow{font-size:14px;color:var(--brand);transition:transform .22s ease;}
.cases-more__link:hover .cases-more__arrow{transform:translateX(4px);}

/* 提交成功的确认面板。
   踩坑记录：2026-10-31 客户反馈"点了按钮不知道有没有成功，反复提交"。
   原来只有一行米色小字提示，在米白背景上几乎看不见；现在改成整块成功面板
   + 绿色对勾 + 明确告知"无需重复提交"，提交后表单字段整体收起。 */
.form__done{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:340px;padding:24px 6px;
  text-align:center;animation:formDoneIn .3s ease both;
}
.form__done[hidden]{display:none;}
@keyframes formDoneIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}
.form__done-icon{
  display:inline-flex;align-items:center;justify-content:center;
  width:56px;height:56px;border-radius:50%;
  background:#EAF7F0;color:#1B7F52;border:1px solid #C6E7D5;
}
.form__done-title{margin:15px 0 9px;font-size:19px;font-weight:600;color:#1B7F52;letter-spacing:.02em;}
.form__done-text{font-size:13px;line-height:1.95;color:var(--muted);}
.form__done-text b{color:var(--ink-2);font-weight:600;}
.form__done-text a{color:var(--brand);font-weight:500;border-bottom:1px solid var(--brand-line);}
.form__done-again{
  margin-top:18px;padding:8px 20px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:var(--white);color:var(--muted-2);
  font-family:inherit;font-size:12.5px;cursor:pointer;transition:.2s ease;
}
.form__done-again:hover{border-color:var(--gold-line);color:var(--ink);background:var(--cream-2);}

@media (max-width:640px){.form__done{min-height:280px;}}

/* 提交失败时的兜底：把已填内容复制出来，访客可以直接发微信，线索不丢 */
.form__copy{
  display:inline-block;margin-top:10px;padding:7px 16px;border-radius:var(--radius-pill);
  background:var(--brand-soft);color:var(--brand);border:1px solid var(--brand-line);
  font-family:inherit;font-size:12px;font-weight:500;cursor:pointer;
}
.form__copy[hidden]{display:none;}

/* ---------- 移动端表单与锚点：避免 iOS 聚焦缩放 / 平滑滚动落错位置 ---------- */
@media (max-width:860px){
  :root{--header-h:96px;}
  html{scroll-behavior:auto;}
  section[id],div[id]{scroll-margin-top:calc(var(--header-h) + 8px);}
  .field input,.field select,.field textarea{font-size:16px;}
  /* 页脚快速导航：触控热区放大到 44px，避免手指点串行 */
  .footer__col .footer__title{margin-bottom:12px;}
  .footer__col li{margin-bottom:2px;}
  .footer__col a{display:block;padding:12px 0;font-size:13.5px;line-height:1.4;
    -webkit-tap-highlight-color:rgba(196,22,28,.08);}
}
/* ---------- 关于页 · 四重企业优势（2×2 大数字） ---------- */
.adv-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.adv{
  display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:start;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px 34px 30px;box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.adv:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:var(--gold-line);}
.adv__num{
  font-size:56px;line-height:.9;font-weight:700;letter-spacing:-.03em;
  color:#DDBE8E;font-variant-numeric:tabular-nums;
  transform:translateY(-4px);
}
.adv__title{font-size:19px;line-height:1.5;color:var(--ink);letter-spacing:.01em;}
.adv__desc{margin-top:12px;font-size:13.5px;line-height:2;color:var(--muted);}

/* ---------- 关于页 · 企业资质（对号清单） ---------- */
.qual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.qual{
  display:flex;align-items:center;gap:13px;
  background:var(--cream);border:1px solid var(--line-2);border-radius:10px;
  padding:21px 22px;transition:border-color .22s ease,background .22s ease;
}
.qual:hover{border-color:var(--gold-line);background:var(--cream-2);}
.qual__icon{
  width:24px;height:24px;flex:none;border-radius:50%;
  background:rgba(196,22,28,.07);border:1px solid rgba(196,22,28,.14);
  display:flex;align-items:center;justify-content:center;
}
.qual__icon svg{width:13px;height:13px;}
.qual__name{font-size:14px;line-height:1.6;color:var(--ink-2);}

@media (max-width:960px){
  .adv-grid{grid-template-columns:1fr;gap:16px;}
  .adv{padding:26px 24px;}
  .adv__num{font-size:44px;}
  .qual-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:640px){
  .qual-grid{grid-template-columns:1fr;gap:12px;}
  .qual{padding:16px 18px;}
  .adv__num{font-size:38px;}
  .adv__title{font-size:17px;}
}

/* 首屏业务标签在窄屏收紧内边距，避免与两侧留白冲突 */
@media (max-width:640px){
  .hero__tags{gap:8px;margin-top:18px;}
  .hero__tags li{font-size:12px;padding:7px 11px;}
}

/* 缩略图播放键在窄屏收小 */
@media (max-width:640px){
  .work-poster__play{width:56px;height:56px;}
  .work-poster__tag{right:10px;bottom:10px;font-size:11px;padding:6px 9px;}
}