/* ============================================================
   上清北教育 官网 · 共享样式
   设计基调：教育感 / 温暖 / 专业 / 橙色主色
   ============================================================ */
:root{
  --ink:#18263a;
  --muted:#42464d;
  --soft:#7a8798;
  --orange:#F8762E;
  --orange-deep:#ef5c1e;
  --orange-soft:#ffe6d8;
  --peach:#fff2eb;
  --cream:#fff8f3;
  --blue-soft:#edf3fb;
  --blue:#2f6bd8;
  --line:#e3e9f1;
  --navy:#172334;
  --white:#fff;
  --sky:#F8FAFC;
  --shadow-sm:0 6px 18px rgba(30,50,80,.07);
  --shadow-md:0 14px 34px rgba(30,50,80,.1);
  --shadow-lg:0 24px 60px rgba(24,38,58,.16);
  --radius:18px;
  --radius-lg:26px;
  --container:1240px;
  --font:"Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  --max: 1180px;
}
*{box-sizing:border-box;margin:0;padding:0;font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;}
html{scroll-behavior:smooth}
body{font-family:var(--font)
  ;color:var(--ink);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased;font-size:15px}
img{max-width:100%;display:block;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:14px}
em{font-style:normal}
ul{list-style:none}
.container{width:min(var(--container),calc(100% - 48px));margin:0 auto}

/* ---------- 通用元素 ---------- */
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--orange);font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--orange);border-radius:2px}
.eyebrow.light{color:#ffc4a7}
.eyebrow.light::before{background:#ffc4a7}
.section{padding:80px max(24px,calc((100% - 1240px)/2))}
.section-title{max-width:1080px;margin:0 auto 56px;text-align:center}
.section-title .eyebrow{margin-bottom:14px}
.section-title h2{font-size:36px;line-height:1.28;letter-spacing:-.5px;font-weight:900}
.section-title p{color:var(--muted);margin-top:16px;font-size:18px}
.section-title.left{margin:0 0 48px;text-align:left}
.soft-section{background:var(--cream)}
.gray-section{background-color: rgba(248,250,252,1)}
.blue-section{background:var(--blue-soft)}
.orange-section{background:var(--orange)}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;padding:13px 26px;font-size:14px;font-weight:700;line-height:1;transition:all .22s;white-space:nowrap}
.btn svg{width:15px;height:15px;flex:none}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 10px 24px rgba(255,113,48,.32)}
.btn-primary:hover{background:var(--orange-deep);transform:translateY(-2px);box-shadow:0 14px 30px rgba(255,113,48,.4)}
.btn-outline{border-color:#d9e0ea;color:var(--ink);background:#fff}
.btn-outline:hover{border-color:var(--orange);color:var(--orange)}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--peach);transform:translateY(-2px)}
.btn-white{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-white:hover{background:rgba(255,255,255,.14)}
.btn-lg{padding:16px 34px;font-size:15px}
.btn-block{width:100%}

/* ---------- 徽标 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--peach);color:var(--orange-deep);border:1px solid #ffd9c4;font-size:12px;font-weight:700;padding:7px 14px;border-radius:999px}
.badge.outline{background:transparent;border-color:#e8deff}
.badge.navy{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.22)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid #eef1f6}
.nav-wrap{display:flex;align-items:center;gap:34px;height:78px}
.brand{display:flex;align-items:center;gap:11px;min-width:120px}
.brand .logo-img{width: 104px;height: auto;}
.brand-mark{width:46px;height:36px;position:relative;display:inline-block;flex:none}
.brand-mark span:first-child{position:absolute;width:24px;height:11px;border:1.8px solid var(--orange);border-top-color:transparent;border-right-color:transparent;border-radius:3px 4px 12px 12px;transform:rotate(-34deg);left:0;top:13px}
.brand-mark span:last-child{position:absolute;width:34px;height:13px;border-left:2px solid var(--orange);border-bottom:2px solid var(--orange);transform:skew(-28deg) rotate(-52deg);left:12px;top:9px}
.brand strong{display:block;font-size:25px;line-height:22px;letter-spacing:-1px;font-weight:800}
.brand small{display:block;font-size:8px;font-weight:700;letter-spacing:.42px;color:var(--muted)}
.desktop-nav{display:flex;align-items:center;gap:40px;flex:1}
.desktop-nav a{color:#1E293B;font-size:14px;font-weight:600;position:relative;padding:6px 0;transition:color .2s}
/* .desktop-nav a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--orange);border-radius:2px;transition:width .25s} */
.desktop-nav a:hover,.desktop-nav a.active{color:var(--orange)}
.desktop-nav a:hover::after,.desktop-nav a.active::after{width:100%}
.header-cta{font-size:12px;padding:11px 14px}
.mobile-menu{display:none}
.mobile-nav{display:none}

/* ---------- Hero ---------- */
.hero{background: linear-gradient(160.26deg, rgba(255,247,242,1) 10.87%,rgba(255,240,230,1) 89.13%);overflow:hidden}
.hero-inner{width:min(var(--container),100%);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:70px;min-height:600px;padding:80px 0}
.hero-copy{max-width:560px;position:relative;z-index:2}
.hero-copy .badge{margin-bottom:22px}
.hero-copy h1{font-size:44px;line-height:1.26;letter-spacing:-1.2px;font-weight:800;margin-bottom:22px}
.hero-copy h1 em{color:var(--orange)}
.hero-copy p{color:var(--muted);font-size:18px;line-height:1.95;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-media{position:relative;flex:1;display:flex;justify-content:center;align-items:center;max-width:560px}
.hero-media img.hero-photo{border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;object-fit:cover}
.hero-orbit{position:absolute;border:1.6px dashed rgba(255,113,48,.4);border-radius:50%;pointer-events:none}
.hero-orbit.o1{width:120%;height:96%;top:-12%;right:-18%}
.hero-orbit.o2{width:88%;height:70%;top:14%;right:-12%;border-color:rgba(255,113,48,.22)}
.hero-photo-wrap{position:relative;width:100%}
/* .hero-photo-wrap::before{content:"";position:absolute;inset:auto 22px -16px 22px;height:44%;background:linear-gradient(180deg,rgba(255,113,48,.18),rgba(255,113,48,0));border-radius:0 0 50% 50%;filter:blur(2px)} */

/* ---------- 数据条 ---------- */
.stat-strip{background-color: rgba(248, 250, 252, 1);color:#fff;padding:34px max(24px,calc((100% - 1240px)/2));}
.stat-strip .stat-container{text-align:center;display:flex;justify-content:space-around;gap:30px;padding: 0 200px;}
.stat-strip strong{display:block;font-size:24px;font-weight:800;letter-spacing:-1px;color:#1E293B}
.stat-strip span{display:block;font-size:14px;color:#64748B;margin-top:4px;letter-spacing:.04em}

/* ---------- 双卡产品 ---------- */
.product-pair{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.product-card{position:relative;border-radius:var(--radius-lg);padding:44px 40px;min-height:330px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden;transition:transform .25s,box-shadow .25s}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.product-card.peach{background:var(--peach);border:1px solid #ffe4d4}
.product-card.orange{background:linear-gradient(135deg,#ff7f42,#ff5f1f);color:#fff}
.product-card.orange p,.product-card.orange strong{color:rgba(255,255,255,.94)}
.product-card .product-icon{width:58px;height:58px;border-radius:16px;display:grid;place-items:center;background:#F8762E;color:var(--orange);box-shadow:var(--shadow-sm);margin-bottom:22px}
.product-card.orange .product-icon{background:rgba(255,255,255,.22);color:#fff}
.product-card h3{font-size:24px;font-weight:800;margin-bottom:12px;line-height:1.4}
.product-card p{color:var(--muted);font-size:14px;line-height:1.85;max-width:400px}
.product-card strong{display:block;margin-top:22px;font-size:14px;color:var(--orange);font-weight:700}
.product-card .product-arrow{position:absolute;top:44px;right:40px;width:20px;height:20px;color:var(--orange);opacity:.55}
.product-card.orange .product-arrow{color:#fff}

/* ---------- 信念卡片 ---------- */
.belief-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.belief-card{border-radius:var(--radius);border:1px solid var(--line);background:#fff;transition:transform .25s,box-shadow .25s}
.belief-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.belief-card .card-body{padding:36px 15px 36px 30px}
.belief-card .icon{width:52px;height:52px;border-radius:14px;background:var(--orange-soft);color:var(--orange);display:grid;place-items:center;margin-bottom:20px}
.belief-card h3{font-size:16px;font-weight:800;margin-bottom:10px}
.belief-card p{color:var(--muted);font-size:14px;line-height:1.85}

/* ---------- 成长历程 ---------- */
.journey-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.journey-card{border:1px solid var(--line);border-radius:var(--radius);padding:32px 28px;background:#fff;position:relative;overflow:hidden;transition:transform .25s,box-shadow .25s}
.journey-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.journey-card .phase{display:inline-flex;font-size:11px;font-weight:800;letter-spacing:.1em;color:var(--orange);background:var(--peach);border:1px solid #ffdcc8;padding:5px 12px;border-radius:999px;margin-bottom:16px}
.journey-card h3{font-size:19px;font-weight:800;margin-bottom:10px}
.journey-card p{color:var(--muted);font-size:13.5px;line-height:1.85}
.journey-card .num{position:absolute;right:18px;bottom:8px;font-size:64px;font-weight:900;color:#f3f5f9;line-height:1;letter-spacing:-3px}

/* ---------- 地图 ---------- */
.map-section{background:var(--cream)}
.map-visual{display:flex;align-items:center;gap:56px}
.china-map{flex:1;border-radius:var(--radius);box-shadow:var(--shadow-md);background:#fff;padding:18px}
.map-note{flex:.9}
.map-note .big{font-size:52px;font-weight:900;color:var(--orange);line-height:1}
.map-note .big small{font-size:20px;font-weight:800}
.map-note h3{font-size:26px;font-weight:800;margin:14px 0 14px;line-height:1.4}
.map-note p{color:var(--muted);font-size:14.5px;line-height:1.9}

/* ---------- 动态 ---------- */
.news-feature{display:grid;grid-template-columns:1.1fr 1fr;gap:54px;align-items:center;margin-bottom:30px}
.news-feature .cover{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md)}
.news-feature .cover img{width:100%;height:340px;object-fit:cover;transition:transform .5s}
.news-feature:hover .cover img{transform:scale(1.04)}
.news-feature .meta{display:flex;align-items:center;gap:10px;color:var(--soft);font-size:12px;margin-bottom:14px}
.news-feature .meta .tag{color:var(--orange);font-weight:700}
.news-feature h3{font-size:26px;font-weight:800;line-height:1.45;margin-bottom:14px}
.news-feature p{color:var(--muted);font-size:14.5px;line-height:1.9;margin-bottom:22px}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--orange);font-weight:700;font-size:14px}
.link-more svg{width:15px;height:15px;transition:transform .2s}
.link-more:hover svg{transform:translateX(4px)}
.news-mini-list{border-top:1px solid var(--line)}
.news-mini{border-bottom:1px solid var(--line);padding:20px 2px;display:grid;grid-template-columns:64px 1fr;gap:22px;align-items:center}
.news-mini img{width:64px;height:64px;border-radius:12px;object-fit:cover}
.news-mini h4{font-size:15.5px;font-weight:700;line-height:1.5;margin-bottom:6px;transition:color .2s}
.news-mini:hover h4{color:var(--orange)}
.news-mini .meta{font-size:12px;color:var(--soft);display:flex;gap:10px;align-items:center}

/* ---------- 师资 ---------- */
.teacher-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.teacher-card{border-radius:var(--radius);overflow:hidden;transition:transform .25s,box-shadow .25s}
.teacher-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.teacher-card img{width:100%;aspect-ratio:1/0.8;object-fit:cover}
.teacher-card .info{padding:16px 18px 20px}
.teacher-card .info b{display:block;font-size:16px}
.teacher-card .info span{font-size:12.5px;color:var(--muted);display:block;margin-top:4px}
.team-banner{position:relative;border-radius:var(--radius-lg);overflow:hidden;margin-bottom:44px}
.team-banner img{width:100%;height:420px;object-fit:cover}
.team-banner .caption{position:absolute;left:0;right:0;bottom:0;padding:60px 40px 28px;background:linear-gradient(180deg,transparent,rgba(23,35,52,.86));color:#fff}
.team-banner .caption h3{font-size:24px;font-weight:800}
.team-banner .caption p{font-size:13px;color:#d9e2ee;margin-top:6px}

/* ---------- 训练营 ---------- */
.camp-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px}
.camp-panel{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:#fff;transition:box-shadow .25s}
.camp-panel:hover{box-shadow:var(--shadow-md)}
.camp-panel img{width:100%;height:300px;object-fit:cover}
.camp-panel .body{padding:26px 28px}
.camp-panel .body .yr{font-size:12px;font-weight:800;color:var(--orange);letter-spacing:.1em}
.camp-panel .body h3{font-size:20px;font-weight:800;margin:6px 0 8px}
.camp-panel .body p{color:var(--muted);font-size:13.5px;line-height:1.85}

/* ---------- 媒体合作 ---------- */
.media-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;align-items:center}
.media-item{background:#fff;border:1px solid var(--line);border-radius:14px;padding:20px 12px;text-align:center;transition:box-shadow .2s}
.media-item:hover{box-shadow:var(--shadow-sm)}
.media-item b{display:block;font-size:16px;font-weight:800}
.media-item span{font-size:11.5px;color:var(--muted);display:block;margin-top:3px}
.media-logos{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
.media-logos span{border:1px solid var(--line);background:#fff;border-radius:12px;padding:14px 22px;font-size:15px;font-weight:800;color:#40506b;letter-spacing:.02em}

/* ---------- 书籍/证书 ---------- */
.book-banner{display:grid;grid-template-columns:1fr 1.1fr;gap:60px;align-items:center;background:linear-gradient(120deg,#fff6ee,#ffe9d8);border-radius:var(--radius-lg);padding:56px 60px;overflow:hidden;position:relative}
.book-banner .cover{border-radius:var(--radius);box-shadow:var(--shadow-lg);overflow:hidden}
.book-banner .cover img{width:100%;max-height:440px;object-fit:cover}
.book-banner h3{font-size:28px;font-weight:800;line-height:1.4;margin:14px 0 14px}
.book-banner p{color:var(--muted);font-size:14.5px;line-height:1.9}
.book-banner .stat{display:flex;gap:38px;margin-top:24px}
.book-banner .stat strong{font-size:30px;color:var(--orange);display:block;line-height:1}
.book-banner .stat span{font-size:12.5px;color:var(--muted)}
.qual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.qual-card{border:1px solid var(--line);border-radius:var(--radius);padding:30px 26px;background:#fff;text-align:center;transition:transform .25s,box-shadow .25s}
.qual-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.qual-card .icon{width:56px;height:56px;margin:0 auto 16px;border-radius:16px;display:grid;place-items:center;color:var(--orange);background:var(--orange-soft)}
.qual-card h4{font-size:17px;font-weight:800;margin-bottom:8px}
.qual-card p{font-size:13px;color:var(--muted);line-height:1.8}

/* ---------- Solutions ---------- */
.solutions-hero{background:linear-gradient(180deg,#fff8f3,rgba(255, 247, 242, 1));}
.solutions-hero .hero-inner{min-height:540px}
.support-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:0 auto}
.support-card{border-radius:var(--radius);border:1px solid var(--line);background:#fff;transition:transform .2s,box-shadow .2s}
.support-card:hover{transform:translateY(-4px);border-color:#ffc4aa;box-shadow:var(--shadow-md)}
.support-card .card-body{padding:30px}
.support-head{display:flex;gap:16px;align-items:center}
.icon-tile{width:50px;height:50px;border-radius:14px;background:var(--orange-soft);color:var(--orange);display:grid;place-items:center;flex:none}
.support-head small{color:var(--orange);font-weight:800;font-size:16px}
.support-head h3{font-size:18px;font-weight:800}
.support-card p{color:var(--muted);line-height:1.85;margin:20px 0 16px;font-size:14px}
.support-card ul{display:flex;gap:20px;flex-wrap:wrap}
.support-card li{display:flex;gap:7px;align-items:center;color:#536276;font-size:13px}
.support-card li svg{width:15px;height:15px;color:var(--orange);flex:none}
.pathway-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;margin:0 auto}
.path-card{grid-column:span 2;border-radius:var(--radius);border:1px solid var(--line);background:#fff;display:flex;transition:transform .2s,box-shadow .2s}
.path-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.path-card .card-body{padding:30px;display:flex;flex-direction:column}
.path-card:nth-child(4),.path-card:nth-child(5){grid-column:span 3}
.path-card .tag{font-size:16px;font-weight:800;color:var(--orange)}
.path-card h3{font-size:23px;font-weight:800;margin:14px 0 12px}
.path-card p{color:var(--muted);line-height:1.8;font-size:13.5px;flex:1}
.path-card a{display:inline-flex;align-items:center;gap:6px;color:var(--orange);font-size:13.5px;font-weight:700;margin-top:18px}
.path-card a svg{width:14px;height:14px}
.path-card.featured{background:var(--orange);border-color:var(--orange);color:#fff}
.path-card.featured .tag,.path-card.featured p,.path-card.featured a{color:#fff}
/* .process-section{display:grid;grid-template-columns:.85fr 1.15fr;gap:80px;align-items:center} */
.process-copy h2{font-size:36px;line-height:1.32;margin:12px 0 36px;font-weight:800;letter-spacing:-.5px}
.process-copy p{color:var(--muted);line-height:1.9}
.process-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.process-step{background:var(--peach);padding:26px;border-radius:16px;transition:transform .2s,box-shadow .2s}
.process-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm)}
.process-step>span{font-size:16px;font-weight:800;letter-spacing:.12em;color:var(--orange)}
.process-step h3{font-size:18px;font-weight:800;margin:10px 0 8px}
.process-step p{color:var(--muted);font-size:13px;line-height:1.8}
.coop-band{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.coop-band .coop{position:relative;border-radius:var(--radius);overflow:hidden;height:260px}
.coop-band .coop img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.coop-band .coop:hover img{transform:scale(1.06)}
.coop-band .coop figcaption{position:absolute;inset:auto 0 0 0;padding:34px 22px 18px;background:linear-gradient(180deg,transparent,rgba(23,35,52,.8));color:#fff;font-size:14px;font-weight:700}
.process-container{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:80px;
}
.pathway-section .path-card:hover{
   background-color: var(--peach);
}
.support-title{
  display: flex;
  flex-direction: column;
}
.hero-photo-container{
  padding: 28px;
  background-color: rgba(191,219,254,0.4);
  border-radius: 38px;
}
.hero-photo-item{
  padding: 6px;
  background-color: #fff;
  border-radius: var(--radius-lg);
}
.btn-small{
  padding: 8px 22px;
  font-size: 14px;
  line-height: 20px;
}
/* ---------- AI智习室 ---------- */
.ai-study-hero{background:linear-gradient(120deg,#eef5ff,#f6faff)}
.ai-study-hero .hero-inner{min-height:540px}
.config-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.config-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;padding:30px 26px;transition:transform .25s,box-shadow .25s}
.config-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.config-card .no{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--orange)}
.config-card .icon{width:50px;height:50px;border-radius:14px;background:var(--blue-soft);color:var(--blue);display:grid;place-items:center;margin:14px 0 16px}
.config-card h3{font-size:17px;font-weight:800;margin-bottom:10px}
.config-card p{color:var(--muted);font-size:13px;line-height:1.85}
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.value-item{text-align:center;padding:34px 20px;border-radius:var(--radius);background:#FFF7F2;border:1px solid var(--line);transition:transform .25s,box-shadow .25s;    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;}
.value-item-content{    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    align-items: center;
  }
.value-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.value-item .icon{width:56px;height:56px;margin:0 auto 16px;border-radius:50%;display:grid;place-items:center;color:#fff;font-size:22px;background-color: #ff7f42;}
.value-item h4{font-size:17px;font-weight:800;margin-bottom:8px}
.value-item p{color:var(--muted);font-size:13px;line-height:1.85}
.coop-mode-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.coop-mode{border-radius:var(--radius);border:1px solid var(--line);padding:32px 28px;background:#fff;position:relative;transition:transform .25s,box-shadow .25s}
.coop-mode:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.coop-mode .idx{display:inline-flex;font-size:11px;font-weight:800;color:var(--blue);background:var(--blue-soft);border-radius:999px;padding:5px 13px;letter-spacing:.08em}
.coop-mode h3{font-size:19px;font-weight:800;margin:14px 0 10px}
.coop-mode p{color:var(--muted);font-size:13.5px;line-height:1.85}
.ai-room-show{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);margin-bottom:20px}
.ai-room-show img{width:100%;height:480px;object-fit:cover}
.ai-room-show .float-card{position:absolute;right:34px;bottom:30px;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-radius:16px;padding:20px 24px;box-shadow:var(--shadow-md);max-width:300px}
.ai-room-show .float-card b{display:block;font-size:15px}
.ai-room-show .float-card span{font-size:12.5px;color:var(--muted);display:block;margin-top:4px}
.pill-row{display:flex;justify-content:center;gap:10px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:999px;padding:12px 22px;font-size:13.5px;font-weight:700;color:#55637a;transition:all .2s}
.pill svg{width:16px;height:16px}
.pill.active,.pill:hover{background:var(--orange);border-color:var(--orange);color:#fff}

/* ---------- AI智学机 ---------- */
.device-hero{background:linear-gradient(150deg,#fff8f3 0%,#ffe9da 55%,#ffd9c4 100%);overflow:hidden;position:relative}
.device-hero::before{content:"";position:absolute;width:640px;height:640px;border-radius:50%;background:radial-gradient(circle,rgba(255,113,48,.16),transparent 65%);top:-180px;right:-120px}
.device-hero .hero-inner{min-height:560px}
.device-copy{max-width:540px;position:relative;z-index:2}
.device-copy h1{font-size:52px;line-height:1.22;letter-spacing:-1.5px;font-weight:800;margin:20px 0}
.device-copy h1 em{color:var(--orange)}
.device-copy p{color:var(--muted);font-size:16px;line-height:1.9;margin-bottom:26px}
.device-points{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:30px}
.device-points span{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:600;color:#40506b}
.device-points svg{width:16px;height:16px;color:var(--orange)}
.device-visual{position:relative;z-index:2;display:flex;justify-content:center;align-items:center;padding:26px 0}
.device-screen{width:316px;height:560px;background:#101b2d;border-radius:42px;border:10px solid #26334d;padding:18px 16px;box-shadow:0 40px 80px rgba(24,38,58,.35),inset 0 0 0 2px #1d2941;color:#fff;display:flex;flex-direction:column;gap:14px;position:relative}
.screen-top{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:#c9d6e8}
.screen-top svg{width:14px;height:14px}
.screen-score{background:linear-gradient(135deg,#ff7f42,#ff5a1c);border-radius:18px;padding:16px 18px}
.screen-score small{display:block;font-size:11.5px;color:rgba(255,255,255,.85)}
.screen-score strong{font-size:26px;font-weight:800;display:block;margin:2px 0}
.screen-score i{font-style:normal;font-size:13px;font-weight:600}
.screen-score span{font-size:11.5px;color:rgba(255,255,255,.9)}
.screen-card{background:#1a2941;border-radius:16px;padding:14px 16px;display:flex;align-items:center;gap:12px}
.mini-bars{display:flex;align-items:flex-end;gap:4px;height:34px}
.mini-bars i{width:6px;border-radius:3px;background:var(--orange)}
.screen-card span{font-size:12px;color:#a9b7c9;flex:1}
.screen-card b{font-size:20px;font-weight:800}
.screen-task{background:#1a2941;border-radius:16px;padding:14px 16px}
.screen-task strong{display:block;font-size:13px;color:#c9d6e8}
.screen-task span{font-size:12.5px;color:#eef3fa;display:block;margin-top:6px;font-weight:700}
.screen-task em{font-style:normal;font-size:11px;color:#ffb98f;display:block;margin-top:8px}
.screen-quote{border:1px solid #26334d;border-radius:16px;padding:14px 16px;font-size:12.5px;line-height:1.7;color:#dbe5f2}
.screen-quote b{color:#ffb98f}
.device-glow{position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(255,113,48,.28),transparent 68%);left:56%;top:18%;z-index:1}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.proof-card{border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;background:#fff;transition:transform .25s,box-shadow .25s}
.proof-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.proof-card .proof-icon{font-size:12px;font-weight:900;color:var(--orange);letter-spacing:.1em;margin-bottom:14px}
.proof-card strong{display:block;font-size:18px;font-weight:800;margin-bottom:10px}
.proof-card p{color:var(--muted);font-size:13px;line-height:1.8}
.feature-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:stretch}
.feature-nav{display:flex;flex-direction:column;gap:10px}
.feature-nav button{display:flex;align-items:center;gap:14px;border:1px solid var(--line);background:#fff;border-radius:16px;padding:18px 20px;text-align:left;font-size:15px;font-weight:700;color:#40506b;transition:all .2s}
.feature-nav button svg{width:19px;height:19px;color:var(--orange);flex:none}
.feature-nav button .chev{width:15px;height:15px;margin-left:auto;color:#b9c3d2}
.feature-nav button:hover{border-color:#ffc4aa}
.feature-nav button.active{background:var(--orange);border-color:var(--orange);color:#fff}
.feature-nav button.active svg,.feature-nav button.active .chev{color:#fff}
.feature-show{border-radius:var(--radius-lg);background:linear-gradient(150deg,#fff8f3,#ffe9da);border:1px solid #ffddca;padding:46px 42px;display:flex;flex-direction:column;justify-content:center}
.feature-show h3{font-size:28px;font-weight:800;margin:16px 0 12px}
.feature-show>p{color:var(--muted);font-size:14.5px;line-height:1.9}
.feature-metric{display:flex;align-items:baseline;gap:12px;margin-top:30px;padding-top:26px;border-top:1px dashed #f0c3ab}
.feature-metric strong{font-size:40px;color:var(--orange);font-weight:900}
.feature-metric strong span{font-size:22px}
.feature-metric>span{color:var(--muted);font-size:13px}
.loop-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.loop-card{border-radius:var(--radius);border:1px solid var(--line);background:#fff;padding:34px 28px;position:relative;overflow:hidden;transition:transform .25s,box-shadow .25s}
.loop-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-md)}
.loop-card .idx{font-size:13px;font-weight:900;color:var(--orange);letter-spacing:.14em}
.loop-card .icon{width:48px;height:48px;border-radius:13px;background:var(--orange-soft);color:var(--orange);display:grid;place-items:center;margin:16px 0 18px}
.loop-card h3{font-size:18px;font-weight:800;margin-bottom:10px}
.loop-card p{color:var(--muted);font-size:13.5px;line-height:1.85}
.step-timeline{max-width:880px;margin:0 auto;position:relative;padding-left:34px}
.step-timeline::before{content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--orange),#ffc4aa)}
.step-line{position:relative;padding:0 0 42px 26px}
.step-line::before{content:"";position:absolute;left:-31px;top:6px;width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--orange);box-shadow:0 0 0 5px #ffe9da}
.step-line:last-child{padding-bottom:0}
.step-line .no{font-size:11px;font-weight:900;letter-spacing:.14em;color:var(--orange)}
.step-line h3{font-size:20px;font-weight:800;margin:8px 0 8px}
.step-line p{color:var(--muted);font-size:14px;line-height:1.85}
.audience-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.audience-card{border-radius:var(--radius-lg);padding:44px 40px;position:relative;overflow:hidden}
.audience-card.student{background:linear-gradient(135deg,#fff3ea,#ffe0cf)}
.audience-card.parent{background:linear-gradient(135deg,#eef4ff,#dde9ff)}
.audience-card .who{font-size:12px;font-weight:900;letter-spacing:.14em;color:var(--orange)}
.audience-card.parent .who{color:var(--blue)}
.audience-card h3{font-size:27px;font-weight:800;margin:12px 0 14px}
.audience-card p{color:var(--muted);font-size:14.5px;line-height:1.9}
.audience-card ul{margin-top:22px;display:flex;flex-direction:column;gap:12px}
.audience-card li{display:flex;gap:10px;align-items:center;font-size:14px;font-weight:600;color:#40506b}
.audience-card li svg{width:17px;height:17px;color:var(--orange);flex:none}
.audience-card.parent li svg{color:var(--blue)}
.service-options{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.service-card{border-radius:var(--radius-lg);border:1px solid var(--line);background:#fff;padding:38px 32px;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}
.service-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.service-card.featured{border-color:var(--orange);box-shadow:0 18px 44px rgba(255,113,48,.18)}
.service-card .level{font-size:12px;font-weight:900;letter-spacing:.14em;color:var(--orange)}
.service-card h3{font-size:23px;font-weight:800;margin:14px 0 10px}
.service-card p{color:var(--muted);font-size:13.5px;line-height:1.85;flex:1}
.service-card .price{margin:22px 0;padding:16px 18px;background:var(--cream);border-radius:14px;font-size:13px;color:#55637a;line-height:1.7}
.service-card .price b{color:var(--ink)}

/* ---------- News ---------- */
.news-banner{position:relative;height:430px;display:grid;place-items:center;text-align:center;color:#fff;overflow:hidden}
.news-banner img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.news-banner .veil{position:absolute;inset:0;background:linear-gradient(100deg,rgba(16,29,45,.88),rgba(16,29,45,.45))}
.news-banner .inner{position:relative;z-index:2;padding:0 24px}
.news-banner h1{font-size:50px;line-height:1.28;font-weight:800;margin:14px 0;letter-spacing:-1px}
.news-banner h1 em{color:#ffb98f}
.news-banner p{font-size:16px;color:#dbe3ec}
.news-filter{max-width:1020px;margin:0 auto 34px;display:flex;justify-content:space-between;align-items:center;gap:20px}
.news-filter .tabs{display:flex;gap:24px}
.news-filter button{border:0;background:none;color:var(--soft);font-size:15px;font-weight:600;padding:8px 2px;border-bottom:2px solid transparent;transition:all .2s}
.news-filter button.active{color:var(--orange);border-bottom-color:var(--orange)}
.news-item{max-width:1020px;margin:0 auto;padding:32px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:320px 1fr;gap:46px;align-items:center}
.news-item:first-of-type{border-top:1px solid var(--line)}
.news-item .cover{border-radius:6px;overflow:hidden;box-shadow:var(--shadow-sm)}
.news-item .cover img{width:100%;height:200px;object-fit:cover;transition:transform .45s}
.news-item:hover .cover img{transform:scale(1.05)}
.news-item .meta{display:flex;align-items:center;gap:8px;color:var(--soft);font-size:12px}
.news-item .meta svg{width:14px;height:14px}
.news-item h3{font-size:19.5px;font-weight:800;line-height:1.5;margin:12px 0 10px;transition:color .2s}
.news-item:hover h3{color:var(--orange)}
.news-item p{color:var(--muted);font-size:13.5px;line-height:1.85;margin-bottom:14px}

/* ---------- About ---------- */
.about-hero{background:linear-gradient(115deg,#fff8f3,#f3e3d2);min-height:430px;display:grid;place-items:center;text-align:center;padding:60px 24px}
.about-hero h1{font-size:50px;line-height:1.34;font-weight:800;letter-spacing:-1px;margin:18px 0}
.about-hero h1 em{color:var(--orange)}
.about-hero p{color:var(--muted);font-size:16px;max-width:640px;margin:0 auto}
.about-intro{display:grid;grid-template-columns:.7fr 1.3fr;gap:80px;align-items:center;max-width:1040px;margin:0 auto}
.about-logo{font-size:74px;font-weight:900;letter-spacing:-5px;color:var(--orange);text-align:center;line-height:1}
.about-logo small{display:block;letter-spacing:5px;font-size:12px;color:var(--ink);font-weight:700;margin-top:8px}
.about-intro h2{font-size:33px;font-weight:800;line-height:1.35;margin:10px 0 20px}
.about-intro p{color:var(--muted);line-height:2;font-size:14.5px;margin-bottom:16px}
.belief-copy{max-width:860px;margin:0 auto;text-align:center}
.belief-copy h2{font-size:38px;font-weight:800;line-height:1.4;letter-spacing:-.5px;margin:14px 0 20px}
.belief-copy h2 em{color:var(--orange)}
.belief-copy p{color:var(--muted);font-size:15px;line-height:2}
.values-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.value-card{border-radius:var(--radius);padding:38px 32px;color:#fff;position:relative;overflow:hidden;transition:transform .25s,box-shadow .25s}
.value-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg)}
.value-card.orange-value{background:linear-gradient(135deg,#ff7f42,#ff5c1e)}
.value-card.peach-value{background:rgba(255,247,242,1); color: #000;}
.value-card.peach-value h3,.value-card.peach-value p,.value-card.blue-value h3,.value-card.blue-value p{color: #1E293B;}
.value-card.blue-value{background:rgba(241,245,249,1);}
.value-card .icon{width:52px;height:52px;border-radius:14px;background:rgba(255,255,255,.2);display:grid;place-items:center;margin-bottom:20px}
.value-card h3{font-size:20px;font-weight:800;margin-bottom:10px}
.value-card p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.92)}
.timeline{margin:0 auto;position:relative;padding-left:0}
.timeline-item{
  /* display:grid;
  grid-template-columns:130px 1fr;
  gap:30px; */
  padding:26px 0 26px 34px;
  position:relative
}
.timeline-item::before{
  content:"";
  position:absolute;
  left:0;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background:var(--orange);
  top: 32px;
}
.timeline-item::after{
  content:"";
  position:absolute;
  left:9px;
  top:56px;
  bottom:0px;
  width:2px;
  background:var(--orange);
  height: 120%;
}
.timeline-item:last-child::after{display:none}
.timeline-item strong{font-size:16px;font-weight:900;color:var(--orange);letter-spacing:-.5px;margin-bottom:8px;display: inline-block;}
.timeline-item h3{font-size:18px;font-weight:800;margin-bottom:2px;color: var(--ink);}
.timeline-item p{color:var(--muted);font-size:14px;line-height:1.85}
.timeline-hidden-items{display:none}
.timeline-hidden-items.show{display:block}
.institute-band{border-radius:var(--radius-lg);overflow:hidden;position:relative;margin-bottom:44px}
.institute-band img{width:100%;height:440px;object-fit:cover}
.institute-band .caption{position:absolute;left:0;right:0;bottom:0;padding:70px 44px 34px;background:linear-gradient(180deg,transparent,rgba(23,35,52,.88));color:#fff}
.institute-band .caption h3{font-size:26px;font-weight:800}
.institute-band .caption p{font-size:14px;color:#d6e0ec;margin-top:8px;max-width:640px;line-height:1.8}

/* ---------- 咨询/联系 ---------- */
.contact-section{padding:104px max(24px,calc((100% - 1240px)/2))}
.contact-card{display:grid;grid-template-columns:1fr 1fr;gap:0;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);background:#fff;border:1px solid var(--line)}
.contact-copy{background:linear-gradient(140deg,var(--navy),#24354f);color:#fff;padding:56px 52px;display:flex;flex-direction:column;justify-content:center}
.contact-copy h2{font-size:32px;font-weight:800;line-height:1.35;margin:16px 0 16px;letter-spacing:-.5px}
.contact-copy p{color:#c3d0e2;font-size:14.5px;line-height:1.9}
.contact-copy .tel{display:flex;align-items:center;gap:14px;margin-top:34px;padding-top:28px;border-top:1px solid rgba(255,255,255,.14)}
.contact-copy .tel .icon{width:46px;height:46px;border-radius:13px;background:var(--orange);display:grid;place-items:center;flex:none}
.contact-copy .tel b{font-size:22px;letter-spacing:.5px}
.contact-copy .tel span{display:block;font-size:12px;color:#aebcd0;font-weight:500}
.contact-form{padding:52px 48px;display:flex;flex-direction:column;gap:18px}
.contact-form label{display:flex;flex-direction:column;gap:8px;font-size:13px;font-weight:700;color:#3d4b61}
.contact-form input,.contact-form select{width:100%;border:1px solid var(--line);border-radius:12px;padding:13px 16px;font-size:14px;color:var(--ink);background:#fbfcfe;outline:none;transition:border .2s,box-shadow .2s}
.contact-form input:focus,.contact-form select:focus{border-color:var(--orange);box-shadow:0 0 0 4px rgba(255,113,48,.12);background:#fff}
.contact-form .btn{margin-top:6px}
.contact-form .tip{font-size:12px;color:var(--soft);text-align:center;margin-top:4px}



/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ---------- 响应式 ---------- */
@media (min-width: 1500px) {
  :root {
    --max: 1180px;
  }
}

@media (min-width: 1900px) {
  :root {
    --max: 1180px;
  }
}
@media (max-width:1120px){
  .desktop-nav{gap:16px}
  .desktop-nav a{font-size:13px}
  .nav-wrap{gap:20px}
  .brand{min-width:170px}
  .hero-copy h1{font-size:42px}
  .hero-inner{gap:40px}
  .config-grid{grid-template-columns:1fr 1fr}
  .value-grid{grid-template-columns:1fr 1fr}
  .teacher-grid{grid-template-columns:repeat(3,1fr)}
  .path-card{grid-column:span 3}
  .path-card:nth-child(4),.path-card:nth-child(5){grid-column:span 3}
  .process-section{grid-template-columns:1fr;gap:50px}
}
@media (max-width:880px){
  .section .swiper .swiper-button-prev,.section .swiper .swiper-button-next{ display:none !important}
  .section .alignItems {grid-template-columns: repeat(2, 1fr) !important}
  .nav-wrap{height:68px}
  .desktop-nav,.header-cta{display:none}
  .stat-strip{grid-template-columns:1fr 1fr}
  .stat-strip .stat-container {padding-left: 0px; padding-right: 0px; gap: 12px;}
  .stat-strip strong {font-size: 20px;}
  .stat-strip span {font-size: 12px;}
  .btn-lg {padding: 12px 10px; font-size: 12px;}
  .mobile-menu{display:block;margin-left:auto;background:none;border:0;color:var(--ink);width:40px;height:40px;display:grid;place-items:center}
  .mobile-menu svg{width:24px;height:24px}
  .mobile-nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;padding:18px 24px 26px;flex-direction:column;gap:4px;border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(23,35,52,.1)}
  .mobile-nav.open{display:flex}
  .mobile-nav a{color:var(--ink);font-weight:600;padding:12px 4px;font-size:15px;border-bottom:1px solid #f2f4f8}
  .mobile-nav .btn{margin-top:16px}
  .hero-inner{min-height:auto;flex-direction:column;gap:44px;padding:56px 0 70px}
  .hero-copy{max-width:none;padding: 0 12px;}
  .hero-copy p { font-size: 14px;}
  .hero-copy h1,.device-copy h1{font-size:30px}
  .product-card h3 { font-size: 20px;}
  .hero-media{max-width:520px;width:100%}
   body .section{padding:50px 12px;}
   body .cooperation{grid-template-columns: repeat(2, 1fr);}
  .section-title h2{font-size:24px}
  .product-pair,.belief-grid,.journey-grid,.support-grid,.process-grid,.coop-band,.news-feature,.audience-grid,.service-options,.values-grid,.book-banner,.contact-card,.feature-layout,.about-intro,.footer-inner{grid-template-columns:1fr}
  .news-feature .cover img{height:240px}
  .contact-copy,.contact-form{padding:40px 30px}
  .contact-card{gap:0}
  .stat-strip{display:grid;grid-template-columns:1fr 1fr;gap:28px 20px;padding:34px 20px}
  .map-visual{flex-direction:column}
  .teacher-grid{grid-template-columns:1fr 1fr}
  .camp-grid{grid-template-columns:1fr}
  .media-strip{grid-template-columns:repeat(2,1fr)}
  .media-logos span{padding:12px 16px}
  .qual-grid{grid-template-columns:1fr}
  .loop-grid{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr 1fr}
  .timeline-item{grid-template-columns:96px 1fr;gap:18px;padding-left:26px}
  .news-item{grid-template-columns:1fr;gap:20px}
  .news-item .cover img{height:210px}
  .news-banner h1,.about-hero h1{font-size:36px}
  .about-intro{gap:44px}
  .about-logo{font-size:56px}
  .institute-band img,.team-banner img{height:320px}
  .ai-room-show img{height:300px}
  .ai-room-show .float-card{position:static;max-width:none;border-radius:0;box-shadow:none}
  .device-visual{margin:10px auto 0}
  .device-screen{transform:scale(.9)}
  .feature-layout{gap:26px}
  .feature-nav{flex-direction:row;overflow-x:auto;padding-bottom:6px}
  .feature-nav button{flex:none;white-space:nowrap;padding:14px 18px;font-size:14px}
  .feature-show{padding:34px 26px}
  .footer-inner{gap:40px}
  .footerdemo{
    display: flex;
    flex-direction: column;
    align-items: flex-start !important;
  }
  .codeImg { margin-top: 20px;}
  /* .site-footer .codeImg div {padding: 0;} */
  .site-footer .footerdemo{
    padding: 12px 24px;
  }
  .codeImg{display:grid;grid-template-columns:2fr 1fr}
  .hero-actions{flex-wrap: nowrap;}
  .hero-photo-wrap {
    padding: 0 12px;
  }
  .pathway-grid{
    grid-template-columns: repeat(1, 1fr);
  }
  .process-container{
    grid-template-columns: 1fr;
  }
  .news-banner {
    height: 200px;
  }
  .news-banner img.bg{
    height: 200px;
    position: relative;
  }
  .section .belief-grid-4{
    display: grid;
    grid-template-columns: repeat(1, 1fr) ;
    gap: 12px ;
  }
  .section .grid-2{
    display: grid;
    grid-template-columns: repeat(1, 1fr);
  }
  .hero-photo-wrap .chinaMap{
    width: 100%;
    height: auto;
    margin: 0;
  }
}
@media (max-width:520px){
  .brand{min-width:auto}
  .brand .logo-img{height:30px;width: auto;}
  .hero-actions .btn{width:100%;justify-content:center}
  .teacher-grid{grid-template-columns:1fr 1fr}
  .value-grid,.config-grid{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr}
  .news-filter{flex-direction:column;align-items:flex-start;gap:14px}
  .timeline-item{grid-template-columns:1fr;gap:6px;padding-left:26px}
  .device-screen{transform:scale(.82)}
  .process-grid{grid-template-columns:1fr}
  .book-banner{padding:38px 26px}
  .coop-band .coop{height:200px}

}
.hero-context{
  display: flex;
  flex-direction: column;
}
.hero-copy{
  /* width: 100%; */
  /* text-align: center; */
  /* max-width: 100%; */
}
.width-100{
  width: 100%;
  text-align: center;
  max-width: 100%;
}
.stat-actions{
  display: flex;
  justify-content: center;
  margin-top: 40px;
  gap: 20px;
}
.padBottomNo{
  padding-bottom: 0;
}
.product-icon.icon1{
  background: url(../images/home/icon1.png) no-repeat #F8762E center;
}
.product-icon.icon2{
  background: url(../images/home/icon2.png) no-repeat #F8762E center;
}
.mode-3 .icon{
  width: 30px;
  height: 30px;
  display: inline-block;
  margin-right: 10px;
  margin-bottom: 0;
}
.mode-3 .icon.icon3{
  background: url(../images/home/icon3.png) no-repeat  center;
}
.mode-3 .icon.icon4{
    background: url(../images/home/icon4.png) no-repeat  center;
}
.mode-3 .icon.icon5{
    background: url(../images/home/icon5.png) no-repeat  center;
}
.mode-3 h3{
  display: flex;
  align-items: center;
}
.chinaMap img{
  width: auto;
  height: 558px;
  margin: 0 auto;
}
#teachers .alignItems {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 0 12px;
}
position-relative{
  position: relative;
}
.swiper .swiper-button-prev,.swiper .swiper-button-prev2{
  position: absolute;
  width: 30px;
  height: 74px;
  top: 50%;
  left: -50px;
  /* transform: translateY(-50%); */
  background: url('../images/swiper-button-prev.png') no-repeat center center;
  background-size: contain; 
  display: block !important;
  cursor: pointer;
  margin-top: 37px;
}
.swiper .swiper-button-next,.swiper .swiper-button-next2{
  width: 30px;
  height: 74px;
  position: absolute;
  top: 50%;
  right: -50px;
  background: url('../images/swiper-button-next.png') no-repeat center center;
  background-size: contain;
  display: block !important;
  cursor: pointer;
  margin-top: 37px;
}
.swiper {
    width: min(100%, var(--max));
    overflow: hidden;
}  
.alignItems{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 38px;
}
.position-relative{
  position: relative;
}
.cooperation{
  display: flex;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 38px;
}
.cooperation span{
  max-width: 200px;
}
.site-footer {
  /* padding: 28px 24px;
  background: var(--ink); */
  color: #fff;
  /* padding-bottom: 60px; */
  background-color: #000;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  color: rgba(255, 255, 255, 0.78);
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 420ms ease, transform 420ms ease;
  transition-delay: var(--delay, 0ms);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid rgba(var(--gold-rgb), 0.5);
  outline-offset: 3px;
}
.footer-container{
  margin: 0 auto;
  background-color: #192230;
  padding: 36px 0;
}
.codeImg img{
  width: 100px;
  height: auto;
}
.codeImg p{
  color: var(--ink);
  text-align: center;
  margin:  0;
  line-height: 1;
  font-size: 12px;
}
.codeImg{
  display: flex;
  gap: 16px;
}
.flex{
  display: flex;
}
.justify-between{
  justify-content: space-between;
  align-items: center;
}
.section {
  padding: 88px 24px;
}

.section-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
}
.site-footer .icons {
  display: block;
  width: 18px;
  height: 18px;
  margin-right: 10px;
}
.icon_mobile_phone{
  background: url('../images/icon2.png') no-repeat center center;
  background-size: contain;
}
.icon-phone{
  background: url('../images/icon3.png') no-repeat center center;
  background-size: contain;
}
.icon-address{
  background: url('../images/icon1.png') no-repeat center center;
  background-size: contain;

}
.contact{
  font-size: 14px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-around;
  height: 142px;
  
}
.contact-title{
  font-size: 16px;
  font-weight: bold;
}
.chinaMap{
  width: 100%;
  margin: 0;
}
  .footerdemo{
    padding: 0 20px;
  }
  .codeImg div{
  padding: 8px 40px;
  background-color: #fff;
  border-radius: 8px;
  
}
.marginTB40{
  margin: 40px 0;
}
.container .width100{
  width: 100%;
  text-align: center;
  max-width: 100%;
}
.swiper-slide img{
  /* box-shadow: var(--shadow-lg); */
  width: 100%;
  object-fit: cover;
  /* background-color: #fff; */
}
.width100{
  width: 100%;
  max-width: 100%;
}
.belief-grid-4{
  display: grid;
  grid-template-columns: repeat(2, 2fr);
  gap: 36px;
}
.flex-start{
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
}
.value-item-content-icon{
  display: flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, #fc6714, #fa8d4570);
  width: 100%;
  justify-items: center;
  color: #fff;
  font-size: 16px;
  padding-left: 22px;
  height: 64px;
}
.belief-card-border{
    border-radius: 8px;
    box-shadow: -1px 2px 7px #ff7a3033;
    border: none;
    overflow: hidden;
}
.belief-card .value-item-content-icon .icon {
  margin-bottom: 0;
  background: transparent;
  color: #fff;
}
.belief-card-border h3 {
  margin-bottom: 0;
}
.belief-card-border p{
  padding: 48px 24px;
  min-height:72px;
}
.grid-2{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.device-grid .card-body {
  padding: 11px 36px 36px 36px;
  background-color: #eeeeee;
  border-radius: 4px;
}
.device-grid .card-body h3 {
  text-align: center;
}
.about-title{
  text-align: left;
}

/* ============ Lightbox 大图查看 ============ */
.lightbox-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
  cursor: pointer;
}
.lightbox-overlay.active {
  opacity: 1;
  visibility: visible;
}
.lightbox-overlay img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: 8px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  transform: scale(0.9);
  transition: transform 0.3s ease;
}
.lightbox-overlay.active img {
  transform: scale(1);
}
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 30px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
  z-index: 10;
}
.lightbox-close:hover {
  background: rgba(255, 255, 255, 0.35);
}
.swiper-slide img {
  cursor: pointer;
}
#teachers .textCenter{
  text-align: center;
  
}
#teachers .textCenter .link{
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    background: linear-gradient(135deg, var(--orange), #ff8a3d);
    color: #fff;
    padding: 0 18px;
    font-weight: 800;
    position: relative;
    top: 40px;
    font-size: 14px;
    letter-spacing: 1px;
}
#teachers .textCenter .link:hover{
  background: linear-gradient(135deg, var(--orange), var(--orange));
}
.page-footer{
  height: 60px;
  text-align: center;
  line-height: 60px;
  font-size: 12px;
  align-items: center;
  display: flex;
  justify-content: center;
}