/* 自动抽取自 index.html · 页面专属样式 */

:root{
  --primary:#0a1628;
  --navy:#0d1f3c;
  --navy-light:#132d56;
  --gold:#c8922a;
  --gold-light:#e8b84b;
  --gold-dark:#a67c24;
  --white:#ffffff;
  --light:#f6f7f9;
  --light2:#eef1f6;
  --text:#1e293b;
  --text2:#475569;
  --muted:#94a3b8;
  --border:#e2e8f0;
  --shadow-sm:0 1px 3px rgba(0,0,0,.06);
  --shadow:0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:0 12px 40px rgba(0,0,0,.12);
  --radius:10px;
  --radius-lg:16px;
  --transition:0.35s cubic-bezier(0.4,0,0.2,1);
  --font-sans:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Segoe UI",sans-serif;
}
/* ===== NAV ===== */

@media(max-width:1024px){
  
  .nav-links.open{display:flex}
  
}

/* ===== HERO ===== */
.hero{position:relative;min-height:clamp(540px,82vh,920px);overflow:hidden}
.hero-bg-layer{position:absolute;inset:0;z-index:0;
  background:linear-gradient(135deg,#0c1a30 0%,#142d4a 45%,#0c1a30 100%)}
.hero-bg-images{position:absolute;inset:0;z-index:0}
.hero-bg-img{position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:0;transition:opacity 1.3s ease}
.hero-bg-img::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,12,24,.35) 0%,rgba(6,12,24,.18) 40%,rgba(6,12,24,.42) 100%)}
.hero-bg-img.active{opacity:1}
.hero-bg-img-0{background-image:url('../hero/hero-1.jpg');background-position:center 42%}
.hero-bg-img-1{background-image:url('../hero/hero-2.jpg')}
.hero-bg-img-2{background-image:url('../hero/hero-3.png')}
.hero-bg-img-3{background-image:url('../hero/hero-4.jpg')}
.hero-bg-img-4{background-image:url('../hero/hero-5.png')}
.hero-bg-img-5{background-image:radial-gradient(120% 90% at 80% 0%,rgba(154,44,44,.42),transparent 52%),radial-gradient(90% 80% at 6% 100%,rgba(184,151,102,.18),transparent 60%),linear-gradient(180deg,#0e0e11,#070708)}
.hero-carousel{position:absolute;inset:0;z-index:5}
.hero-slide{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  padding:120px 8% 85px;opacity:0;transition:opacity 1s ease;pointer-events:none}
.hero-slide.active{opacity:1;pointer-events:auto}
.hero-content{text-align:center;max-width:880px}
.hero-badge{display:inline-flex;align-items:center;gap:10px;padding:9px 26px;border-radius:30px;
  background:rgba(200,146,42,.14);border:1px solid rgba(200,146,42,.5);
  color:#fff;font-size:13px;letter-spacing:2px;font-weight:700;margin-bottom:26px;
  backdrop-filter:blur(8px)}
.hero-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold-light)}
.hero-title{font-size:clamp(40px,6vw,64px);font-weight:800;color:#fff;
  letter-spacing:4px;margin-bottom:18px;line-height:1.12;
  text-shadow:0 1px 2px rgba(0,0,0,.55),0 3px 16px rgba(0,0,0,.65),0 6px 40px rgba(0,0,0,.55)}
.hero-title span{color:#fff}
.hero-title::after{content:"";display:block;width:72px;height:3px;margin:24px auto 0;
  background:linear-gradient(90deg,transparent,var(--gold) 20%,var(--gold-light) 80%,transparent);border-radius:3px}
.hero-subtitle{font-size:clamp(15px,1.8vw,20px);color:#fff;font-weight:500;
  max-width:660px;margin:26px auto 34px;line-height:1.85;letter-spacing:.8px;
  text-shadow:0 1px 3px rgba(0,0,0,.7),0 2px 14px rgba(0,0,0,.6)}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-primary{display:inline-flex;align-items:center;gap:8px;padding:14px 36px;border-radius:50px;
  background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:#fff;font-size:15.5px;font-weight:600;
  letter-spacing:.5px;transition:all var(--transition);box-shadow:0 8px 30px rgba(200,146,42,.3)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(200,146,42,.4)}
.btn-outline{display:inline-flex;align-items:center;gap:8px;padding:14px 36px;border-radius:50px;
  background:transparent;border:1.5px solid rgba(255,255,255,.35);color:#fff;font-size:15.5px;font-weight:500;
  letter-spacing:.5px;transition:all var(--transition)}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.06);transform:translateY(-2px)}
.hero-dots{position:absolute;bottom:85px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:20}
.hero-dot{width:36px;height:4px;border-radius:2px;background:rgba(255,255,255,.25);cursor:pointer;border:none;transition:all .4s}
.hero-dot.active{width:50px;background:var(--gold)}
.hero-arrows{position:absolute;top:50%;transform:translateY(-50%);width:100%;z-index:20;pointer-events:none;
  padding:0 40px;display:flex;justify-content:space-between}
.hero-arrow{width:48px;height:48px;border-radius:50%;border:1.5px solid rgba(255,255,255,.28);
  background:rgba(10,22,40,.45);backdrop-filter:blur(12px);color:#fff;font-size:20px;cursor:pointer;
  pointer-events:auto;display:flex;align-items:center;justify-content:center;transition:all .3s;
  flex-shrink:0}
.hero-arrow:hover{background:rgba(200,146,42,.32);border-color:var(--gold);transform:scale(1.06)}

/* ===== 第 1 页（data-slide=0）：杭州奥体 · 紫粉暮色城市天际线 ===== */
/* 背景图定位微调：让大莲花居中偏上，水面不占过多 */
.hero-bg-img-0::after{
  background:linear-gradient(180deg,
    rgba(8,14,32,.22) 0%,
    rgba(8,14,32,.12) 35%,
    rgba(8,14,32,.30) 62%,
    rgba(8,14,32,.52) 100%)
}
/* 文字整体上移——避开底部深色水面区，对齐城市天际线视觉中心 */
.hero-slide[data-slide="0"]{
  align-items:flex-start;
  padding-top:clamp(100px,14vh,170px);
  padding-bottom:clamp(60px,8vh,100px)
}
.hero-slide[data-slide="0"] .hero-badge{
  background:rgba(200,146,42,.18);
  border-color:rgba(200,146,42,.6);
  color:#fff;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  letter-spacing:2.5px
}
.hero-slide[data-slide="0"] .hero-badge::before{background:var(--gold-light)}
.hero-slide[data-slide="0"] .hero-title,
.hero-slide[data-slide="0"] .hero-title span{
  color:#fff;
  font-weight:900;
  letter-spacing:5px;
  text-shadow:
    0 2px 4px rgba(0,0,0,.6),
    0 4px 18px rgba(20,10,40,.55),
    0 8px 44px rgba(10,5,30,.45)
}
.hero-slide[data-slide="0"] .hero-title::after{
  width:80px;height:3px;margin:26px auto 0;
  background:linear-gradient(90deg,transparent,var(--gold) 15%,var(--gold-light) 85%,transparent)
}
.hero-slide[data-slide="0"] .hero-subtitle{
  color:rgba(255,255,255,.92);
  font-weight:500;
  letter-spacing:1px;
  text-shadow:
    0 1px 3px rgba(0,0,0,.65),
    0 2px 16px rgba(15,5,35,.5)
}
.hero-slide[data-slide="0"] .btn-primary{
  background:linear-gradient(135deg,var(--gold),var(--gold-dark));
  color:#fff;
  box-shadow:0 8px 30px rgba(200,146,42,.38),0 2px 12px rgba(0,0,0,.25);
  font-weight:700;letter-spacing:.8px
}
.hero-slide[data-slide="0"] .btn-outline{
  border-color:rgba(255,255,255,.45);
  color:#fff;
  background:rgba(10,18,36,.22);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  font-weight:600
}
.hero-slide[data-slide="0"] .btn-outline:hover{
  border-color:#fff;
  background:rgba(10,18,36,.40);
  transform:translateY(-2px)
}

/* ===== 第 2 页（data-slide=1）：亮底雪山图 · 深色文字适配 ===== */
.hero-bg-img-1::after{
  background:linear-gradient(180deg,
    rgba(6,12,24,.55) 0%,
    rgba(6,12,24,.38) 30%,
    rgba(6,12,24,.55) 65%,
    rgba(6,12,24,.68) 100%)
}
.hero-slide[data-slide="1"] .hero-badge{
  background:rgba(10,22,40,.75);
  border-color:var(--gold);
  color:var(--gold-light);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px)
}
.hero-slide[data-slide="1"] .hero-badge::before{background:var(--gold)}
.hero-slide[data-slide="1"] .hero-title,
.hero-slide[data-slide="1"] .hero-title span{
  color:#fff;
  font-size:clamp(28px,4.2vw,46px);
  letter-spacing:2px;
  white-space:nowrap;
  text-shadow:0 2px 4px rgba(0,0,0,.7),0 4px 20px rgba(0,0,0,.5),0 8px 40px rgba(0,0,0,.45)}
.hero-slide[data-slide="1"] .hero-title::after{
  background:linear-gradient(90deg,transparent,var(--gold) 20%,var(--gold-light) 80%,transparent)}
.hero-slide[data-slide="1"] .hero-subtitle{
  color:rgba(255,255,255,.9);
  text-shadow:0 1px 3px rgba(0,0,0,.7),0 2px 14px rgba(0,0,0,.5)}
.hero-slide[data-slide="1"] .btn-primary{
  background:linear-gradient(135deg,var(--gold),var(--gold-dark));
  color:#fff;
  box-shadow:0 8px 28px rgba(200,146,42,.45)}
.hero-slide[data-slide="1"] .btn-outline{
  border-color:rgba(255,255,255,.55);
  color:#fff;
  background:rgba(10,22,40,.25);
  backdrop-filter:blur(8px)}
.hero-slide[data-slide="1"] .btn-outline:hover{
  border-color:#fff;
  background:rgba(10,22,40,.45)}

/* ===== 第 3 页（data-slide=2）：经纬领导力引擎 · 文字适配 ===== */
.hero-slide[data-slide="2"] .hero-title .tm-icon{
  display:inline-block;
  color:var(--gold);
  font-size:0.55em;
  font-weight:700;
  vertical-align:super;
  margin:0 2px 0 4px;
  text-shadow:none}
.hero-slide[data-slide="2"] .hero-subtitle{
  color:rgba(255,255,255,.88);
  font-size:clamp(14px,1.6vw,18px);
  letter-spacing:.6px;
  line-height:1.9;
  max-width:780px;
  margin:24px auto 32px;
  text-align:left}
.hero-slide[data-slide="2"] .sub-lead{
  font-size:clamp(16px,1.85vw,21px);
  font-weight:700;
  color:rgba(255,255,255,.96);
  display:block;
  margin-bottom:4px}

/* ===== 第 4 页（data-slide=3）：AI科技深色背景 =====
   字体/字号/按钮沿用全站标准（与其他 banner 一致），仅做图片定位与可读性遮罩 */
.hero-bg-img-3{background-position:center 48%}
.hero-bg-img-3::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(ellipse at center, rgba(6,12,28,.32) 0%, rgba(4,8,20,.55) 65%, rgba(2,4,12,.72) 100%)}

/* ===== STATS ===== */
.stats-bar{background:linear-gradient(135deg,#14243d 0%,#1a3a5c 50%,#14243d 100%);
  border-top:3px solid var(--gold);padding:22px 3.5% 18px;position:relative;z-index:2}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:2vw;align-items:center;
  max-width:var(--max-width);margin:0 auto}
.stat-item{text-align:center;padding:8px 4px;border-right:1px solid rgba(255,255,255,.10)}
.stat-item:last-child{border-right:none}
.stat-num{font-size:clamp(28px,3vw,40px);font-weight:900;color:#fff;line-height:1;margin-bottom:6px}
.stat-suffix{font-size:.42em;font-weight:700;color:#fff;margin-left:2px}
.stat-label{font-size:12px;color:rgba(255,255,255,.78);letter-spacing:1.5px;line-height:1.4;font-weight:500}
@media(max-width:900px){.stats-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:520px){.stats-grid{grid-template-columns:repeat(2,1fr)}}

/* ===== SECTION 通用 ===== */
.section-block{padding:clamp(36px,5vw,52px) 0}
.section-block:nth-child(even){background:var(--light)}
.sec-bar{display:flex;align-items:center;gap:0;margin-bottom:26px}
.sec-bar::before{content:"";width:5px;height:22px;background:var(--gold);border-radius:2px;margin-right:12px;flex:none}
.sec-bar h2{font-size:clamp(22px,2.8vw,28px);color:var(--primary);font-weight:800;letter-spacing:1px}
.sec-bar .sec-en{font-size:12.5px;color:var(--muted);letter-spacing:2px;margin-left:10px;font-weight:600;text-transform:uppercase}
.sec-more{margin-left:auto;color:var(--gold);font-size:14.5px;font-weight:600;display:inline-flex;align-items:center;gap:4px}
.sec-more:hover{color:var(--gold-dark)}
.sec-more::after{content:"\2192";font-size:15px}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .65s ease,transform .65s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ===== 新闻动态（紧凑双栏） ===== */
.news-dual{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:start}
.news-feature{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);background:#fff}
.news-feature .nf-img{height:280px;background-size:cover;background-position:center;
  background-image:url('../hero/hero-1.jpg')}
.news-feature .nf-body{padding:22px 26px}
.news-feature .nf-tag{display:inline-block;background:var(--gold);color:#fff;font-size:13px;
  font-weight:700;padding:5px 14px;border-radius:5px;margin-bottom:12px}
.news-feature h3{font-size:19px;color:var(--primary);font-weight:800;line-height:1.45;margin-bottom:8px}
.news-feature p{font-size:15px;color:var(--text2);line-height:1.75}
.news-feature .nf-date{font-size:14px;color:var(--gold);font-weight:600;margin-top:10px}
.news-list{display:flex;flex-direction:column}
.news-item{display:flex;gap:16px;padding:15px 6px;border-bottom:1px solid var(--border);transition:all .25s}
.news-item:hover{background:var(--light);padding-left:10px}
.news-item .ni-date{flex:none;width:60px;text-align:center;padding-top:1px}
.news-item .ni-day{font-size:26px;font-weight:900;color:var(--primary);line-height:1}
.news-item .ni-mon{font-size:12.5px;color:var(--muted);margin-top:3px}
.news-item .ni-body h4{font-size:16px;color:var(--primary);font-weight:700;line-height:1.45;margin-bottom:4px}
.news-item .ni-body p{font-size:14px;color:var(--text2);line-height:1.7}
.news-item .ni-cat{display:inline-block;font-size:11.5px;color:var(--gold-dark);border:1px solid rgba(200,146,42,.3);
  border-radius:3px;padding:1px 7px;margin-top:6px}
@media(max-width:860px){.news-dual{grid-template-columns:1fr;gap:24px}}

/* ===== 关于博德赋能（重写布局） ===== */
.about-v3{display:grid;grid-template-columns:minmax(280px,340px) 1fr;gap:36px;align-items:start}
.about-card{
  background:linear-gradient(160deg,var(--navy),var(--navy-light));
  border-radius:var(--radius-lg);padding:32px 30px;color:#fff;position:relative;overflow:hidden;
  border-left:5px solid var(--gold)
}
.about-card::after{content:'';position:absolute;top:-30px;right:-30px;width:120px;height:120px;
  border-radius:50%;background:rgba(200,146,42,.08)}
.about-card .ac-tag{font-size:11px;color:var(--gold-light);font-weight:700;letter-spacing:3px;text-transform:uppercase}
.about-card h3{font-size:24px;font-weight:800;margin:10px 0 14px;letter-spacing:2px}
.about-card p{font-size:15px;line-height:1.9;color:rgba(255,255,255,.82);text-align:justify;margin-bottom:12px}
.ac-tags{display:flex;flex-wrap:wrap;gap:7px;margin:14px 0}
.ac-tags span{padding:6px 16px;border-radius:22px;font-size:13px;font-weight:700;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:var(--gold-light)}
.ac-tags span.s1{background:rgba(200,146,42,.25);color:var(--gold-light)}
.ac-tags span.s2{background:rgba(232,184,75,.2);color:#fff}
.ac-tags span.s3{background:rgba(255,255,255,.06);color:rgba(255,255,255,.9)}
.about-source{font-size:13px;color:rgba(255,255,255,.48);margin-top:10px;line-height:1.6}
.about-main{}
.about-intro-text{font-size:16px;color:var(--text2);line-height:2;margin-bottom:18px;text-align:justify}
.mvv-grid-v3{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.mvv-c{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;
  border-left:4px solid var(--gold);transition:all .3s;display:flex;flex-direction:column;
  gap:6px
}
.mvv-c:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.mvv-c.dark{background:linear-gradient(135deg,var(--navy),var(--navy-light));border-left-color:var(--gold)}
.mvv-c.dark *{color:#fff}
.mvv-c .mlabel{font-size:12px;color:var(--gold);font-weight:700;letter-spacing:2px;text-transform:uppercase}
.mvv-c.dark .mlabel{color:var(--gold-light)}
.mvv-c .mtitle{font-size:17px;color:var(--primary);font-weight:800;line-height:1.35}
.mvv-c.dark .mtitle{color:#fff}
.mvv-c .mdesc{font-size:14px;color:var(--text2);line-height:1.65}
.mvv-c.dark .mdesc{color:rgba(255,255,255,.72)}
@media(max-width:860px){.about-v3{grid-template-columns:1fr;gap:24px}.mvv-grid-v3{grid-template-columns:1fr}}

/* ===== 核心业务 / 品牌活动 卡片网格 ===== */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:0;transition:all .4s;display:flex;flex-direction:column;
  position:relative;overflow:hidden;cursor:pointer;border-top:none;
}
.svc-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:rgba(200,146,42,.25)}
/* 顶部高质感色块条 */
.svc-bar{height:6px;width:100%;transition:height .3s}
.svc-card:hover .svc-bar{height:8px}
.svc-bar.sb1{background:linear-gradient(90deg,#1e3a6e,#2c5aa0,#4a7ab0)}
.svc-bar.sb2{background:linear-gradient(90deg,#1a4747,#2a8a8a,#4aaaa0)}
.svc-bar.sb3{background:linear-gradient(90deg,#6b1e3e,#a62c5a,#d04a6a)}
.svc-bar.sb4{background:linear-gradient(90deg,#4a3060,#7b4ba0,#9b6bc0)}
.svc-bar.sb5{background:linear-gradient(90deg,#2a4a6e,#4a7ab0,#6aaad0)}
.svc-bar.sb6{background:linear-gradient(90deg,#6a4a1e,#b07a2a,#d09a4a)}
.svc-bar.sb-b1{background:linear-gradient(90deg,#c8922a,#e8b84b,#f0c870)}
.svc-bar.sb-b2{background:linear-gradient(90deg,#1a5a8a,#2a8ac0,#4aacE0)}
.svc-bar.sb-b3{background:linear-gradient(90deg,#8a2a1e,#c04a2a,#e06a4a)}
.svc-bar.sb-b4{background:linear-gradient(90deg,#2a5a4a,#4a8a6a,#6aaa8a)}
.svc-bar.sb-b5{background:linear-gradient(90deg,#5a2a6a,#8a4a9a,#ba6aca)}
.svc-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:8px;flex:1}

.svc-card h4{font-size:17px;color:var(--primary);font-weight:800;line-height:1.4;padding-top:2px}
.svc-card p{font-size:14px;color:var(--text2);line-height:1.72;flex:1;margin-top:2px}
.svc-arrow{align-self:flex-start;font-size:13px;color:var(--muted);font-weight:600;letter-spacing:1px;text-transform:uppercase;transition:all .3s;margin-top:4px}
.svc-card:hover .svc-arrow{color:var(--gold);transform:translateX(6px)}
.brand-section{margin-top:44px}
.brand-section .sec-bar{border-top:1px solid var(--border);padding-top:26px}
@media(max-width:1000px){.service-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.service-grid{grid-template-columns:1fr}}

/* ===== 企业荣誉（折叠式） ===== */
.honors-v3{position:relative;margin-bottom:22px}
.hh-title h3{font-size:20px;font-weight:800;color:var(--primary);line-height:1.3}
.hh-title p{font-size:13px;color:var(--muted);margin-top:3px}
.honors-header{display:flex;align-items:center;justify-content:space-between;cursor:pointer;
  user-select:none}
.honors-toggle{font-size:14px;color:var(--gold);font-weight:700;display:flex;align-items:center;gap:6px;
  padding:6px 16px;border:1.5px solid rgba(200,146,42,.35);border-radius:20px;transition:all .25s}
.honors-toggle:hover{background:rgba(200,146,42,.08)}
.honors-toggle .ht-arrow{transition:transform .3s;display:inline-block}
.honors-v3.open .honors-toggle .ht-arrow{transform:rotate(180deg)}
.honors-body{overflow:hidden;max-height:0;transition:max-height .5s cubic-bezier(.4,0,.2,1),opacity .4s;opacity:0}
.honors-v3.open .honors-body{max-height:1200px;opacity:1}
.honors-preview{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:20px}
.hn-c{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--border);
  border-radius:10px;padding:18px 20px;transition:all .3s}
.hn-c:hover{transform:translateY(-2px);box-shadow:var(--shadow-sm);border-color:rgba(200,146,42,.25)}
.hn-c .hn-star{width:36px;height:36px;border-radius:50%;background:rgba(200,146,42,.1);color:var(--gold);
  display:flex;align-items:center;justify-content:center;font-size:16px;flex:none}
.hn-c .hn-text{font-size:15px;color:var(--text);font-weight:600;line-height:1.4}
@media(max-width:900px){.honors-preview{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.honors-preview{grid-template-columns:1fr}}

/* ===== 版权证书（折叠式） ===== */
.cert-v3{position:relative}
.cert-body{overflow:hidden;max-height:0;transition:max-height .6s cubic-bezier(.4,0,.2,1),opacity .4s;opacity:0}
.cert-v3.open .cert-body{max-height:3000px;opacity:1}
.cert-tabs-v3{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.cert-tab-v3{padding:10px 22px;border-radius:26px;border:1.5px solid var(--border);background:#fff;
  color:var(--text2);font-size:13px;font-weight:600;cursor:pointer;transition:all .25s}
.cert-tab-v3:hover{border-color:var(--gold);color:var(--gold-dark)}
.cert-tab-v3.active{background:linear-gradient(135deg,var(--gold),var(--gold-dark));color:#fff;border-color:transparent}
.cert-gallery-v3{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.cert-it{transition:all .35s}
.cert-it.hide{display:none}
.cert-fr{
  background:#ffffff;border-radius:8px;box-shadow:0 2px 12px rgba(0,0,0,.1);
  overflow:hidden;padding:12px;border:1px solid #e8dcc0;
}
.cert-fr img{
  width:100%;height:auto;display:block;border-radius:4px;
  object-fit:contain;background:#ffffff;
}
.cert-nm{font-size:15px;color:var(--primary);font-weight:700;text-align:center;margin-top:10px;line-height:1.3}
.cert-ser{font-size:12px;color:var(--muted);text-align:center;margin-top:2px}
@media(max-width:860px){.cert-gallery-v3{grid-template-columns:repeat(2,1fr)}}

/* ===== 品牌活动 v5（独立横排卡片） ===== */
.brand-section-v5{margin-top:50px}
.brand-header-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.brand-subtitle{font-size:19px;font-weight:800;color:var(--primary);letter-spacing:.5px}
.brand-more{font-size:13px;color:var(--gold);font-weight:700;transition:all .25s}
.brand-more:hover{color:var(--gold-dark);transform:translateX(4px)}
.brand-grid-v5{
  display:grid;grid-template-columns:repeat(5,1fr);gap:20px;
}
.brand-card-v5{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:all .4s;cursor:pointer;display:flex;flex-direction:column;
  position:relative;border-top:none;
}
.brand-card-v5:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(200,146,.25)}
.bc-top{height:6px;width:100%;transition:height .3s}
.brand-card-v5:hover .bc-top{height:8px}
.bc-gold{background:linear-gradient(90deg,#c8922a,#e8b84b,#f0c870)}
.bc-blue{background:linear-gradient(90deg,#1a5a8a,#2a8ac0,#4aace0)}
.bc-red{background:linear-gradient(90deg,#8a2a1e,#c04a2a,#e06a4a)}
.bc-teal{background:linear-gradient(90deg,#2a5a4a,#4a8a6a,#6aaa8a)}
.bc-green{background:linear-gradient(90deg,#1a6a3a,#3a9a5a,#5aba7a)}
.bc-purple{background:linear-gradient(90deg,#5a2a6a,#8a4a9a,#ba6aca)}
.bc-body{padding:20px 18px;display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px;flex:1}
.bc-icon{
  width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:18px;margin-bottom:4px;
  background:var(--light);color:var(--gold);transition:all .3s;
}
.brand-card-v5:hover .bc-icon{background:var(--gold);color:#fff;transform:scale(1.08)}
.bc-body h4{font-size:16px;font-weight:800;color:var(--primary);line-height:1.35}
.bc-body p{font-size:13px;color:var(--text2);line-height:1.65;flex:1}
.bc-go{font-size:12px;color:var(--muted);font-weight:700;letter-spacing:.5px;margin-top:auto;padding-top:6px;transition:all .25s}
.brand-card-v5:hover .bc-go{color:var(--gold);transform:translateX(4px)}
@media(max-width:1100px){.brand-grid-v5{grid-template-columns:repeat(3,1fr)}}
@media(max-width:700px){.brand-grid-v5{grid-template-columns:repeat(2,1fr)}}
@media(max-width:420px){.brand-grid-v5{grid-template-columns:1fr}}

/* ===== 全局响应式断点链 v6 ===== */

/* --- 平板横屏 (901-1200px) --- */
@media(max-width:1200px){
  .hero{min-height:clamp(480px,72vh,780px)}
  .hero-slide{padding:100px 6% 65px}
  .hero-title{font-size:clamp(36px,5.8vw,56px)}
  .hero-subtitle{font-size:clamp(14px,1.7vw,18px);max-width:600px;margin:22px auto 30px}
  .hero-dots{bottom:68px}
  .news-dual{gap:28px}
  .about-v3{gap:28px}
  .service-grid{gap:18px}
  .brand-grid-v5{gap:16px}
}

/* --- 平板竖屏 (601-900px) --- */
@media(max-width:900px){  .container{padding:0 5%}
  .hero{min-height:clamp(420px,64vh,660px)}
  .hero-slide{padding:85px 6% 56px}
  .hero-title{font-size:clamp(32px,6.5vw,50px)}
  .hero-subtitle{font-size:clamp(14px,1.6vw,17px);max-width:560px;margin:20px auto 26px}
  .hero-dots{bottom:56px}
  .hero-arrows{display:none}
  
  .sec-bar{margin-bottom:20px}
  .sec-bar h2{font-size:clamp(20px,3.5vw,26px)}
  /* 新闻单栏 */
  .news-dual{grid-template-columns:1fr;gap:20px}
  .news-feature .nf-img{height:220px}
  .news-feature h3{font-size:17px}
  /* 关于单栏 */
  .about-v3{grid-template-columns:1fr !important;gap:22px}
  .about-card{padding:26px 24px}
  .mvv-grid-v3{grid-template-columns:repeat(2,1fr);gap:16px}
  .mvv-c{padding:18px 20px}
  /* 业务2列 */
  .service-grid{grid-template-columns:repeat(2,1fr)!important;gap:16px}
  .brand-grid-v5{grid-template-columns:repeat(3,1fr)!important;gap:14px}
  /* 荣誉2列 */
  .honors-preview{grid-template-columns:repeat(2,1fr)}
  /* 证书2列 */
  .cert-gallery-v3{grid-template-columns:repeat(2,1fr)!important;gap:18px}
  /* CTA */
  .cta-band{padding:38px 5%}
  /* Footer 2列 */
  .footer-inner{grid-template-columns:1fr 1fr;gap:22px}
}

/* --- 大手机 (421-640px) --- */
@media(max-width:640px){
  .container{padding:0 4.5%}
  .hero{min-height:clamp(380px,58vh,560px)}
  .hero-slide{padding:78px 5% 50px}
  .hero-badge{font-size:11.5px;padding:7px 18px;margin-bottom:18px}
  .hero-title{font-size:clamp(28px,7.5vw,44px);letter-spacing:2px}
  .hero-slide[data-slide="1"] .hero-title{white-space:normal}
  .hero-subtitle{font-size:clamp(13px,1.6vw,16px);margin:18px auto 24px}
  .btn-primary,.btn-outline{padding:12px 28px;font-size:14px}
  .hero-dots{bottom:46px}
  .hero-dot{width:28px;height:3px}
  .stats-bar{padding:18px 4.5% 14px}
  .stat-num{font-size:clamp(22px,4.5vw,34px)}
  .stat-suffix{font-size:.38em}
  .stat-label{font-size:10.5px;letter-spacing:1px}
  .section-block{padding:32px 0}
  .sec-bar{margin-bottom:16px}
  .sec-bar::before{width:4px;height:18px}
  .sec-bar h2{font-size:clamp(19px,4vw,24px)}
  .sec-en{font-size:11px}
  .sec-more{font-size:13px}
  .news-feature .nf-img{height:180px}
  .news-feature .nf-body{padding:16px 18px}
  .news-feature h3{font-size:16px}
  .news-feature p{font-size:14px}
  .news-item{padding:10px 4px;gap:12px}
  .news-item .ni-date{width:50px}
  .news-item .ni-day{font-size:22px}
  .news-item .ni-body h4{font-size:14.5px}
  .news-item .ni-body p{font-size:13px}
  .about-card{padding:22px 18px;border-radius:12px}
  .about-card h3{font-size:20px}
  .about-card p{font-size:14px;line-height:1.8}
  .ac-tags span{font-size:12px;padding:5px 13px}
  .about-source{font-size:12px}
  .about-intro-text{font-size:15px;line-height:1.85}
  .mvv-grid-v3{grid-template-columns:1fr !important;gap:12px}
  .mvv-c{padding:16px 16px;border-radius:8px}
  .mvv-c .mtitle{font-size:15.5px}
  .mvv-c .mdesc{font-size:13px}
  .service-grid{grid-template-columns:1fr !important;gap:14px}
  .svc-body{padding:18px 18px 20px}
  .svc-card h4{font-size:16px}
  .svc-card p{font-size:13.5px}
  .brand-grid-v5{grid-template-columns:repeat(2,1fr)!important;gap:12px}
  .bc-icon{width:38px;height:38px;font-size:16px}
  .bc-body h4{font-size:15px}
  .bc-body p{font-size:12.5px}
  .hn-c{padding:14px 16px}
  .hn-text{font-size:14px}
  .cert-fr{padding:8px}
  .cert-nm{font-size:14px}
  .cert-tab-v3{padding:8px 17px;font-size:12px}
  .cert-tabs-v3{gap:6px}
  .cta-band{padding:32px 4.5%}
  .cta-band h2{font-size:clamp(20px,4.5vw,28px)}
  .cta-band p{font-size:14px}
  .footer{padding:36px 4.5% 22px}
  .footer-brand h3{font-size:20px}
  .footer-col h4{font-size:14px}
  .footer-col a{font-size:13px}
  .footer-btm{font-size:11px}
}

/* --- 小手机 (<=420px) --- */
@media(max-width:420px){
  .container{padding:0 5%}
  .hero{min-height:clamp(340px,52vh,500px)}
  .hero-slide{padding:72px 5% 44px}
  .hero-title{font-size:clamp(26px,8.5vw,38px)}
  .hero-subtitle{font-size:13px;line-height:1.7}
  .hero-actions{gap:10px}
  .btn-primary,.btn-outline{padding:10px 20px;font-size:13px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:1vw}
  .stat-item{padding:6px 2px}
  .stat-num{font-size:clamp(20px,6vw,30px)}
  .stat-label{font-size:9.5px}
  
  .sec-bar h2{font-size:18px}
  .about-intro-text{font-size:14.5px}
  .mvv-c .mlabel{font-size:11px}
  .mvv-c .mtitle{font-size:14.5px}
  .mvv-c .mdesc{font-size:12.5px}
  .brand-grid-v5{grid-template-columns:1fr !important}
  .honors-preview{grid-template-columns:1fr}
  .cert-gallery-v3{grid-template-columns:1fr !important}
  .footer-inner{grid-template-columns:1fr !important;gap:18px}
  .honors-header{flex-direction:column;gap:8px;align-items:flex-start}
  .honors-toggle{align-self:flex-end}
}

/* ===== CTA ===== */
.cta-band{background:linear-gradient(135deg,var(--navy),var(--navy-light));padding:52px 3.5%;text-align:center;position:relative;overflow:hidden}
.cta-band::before{content:'';position:absolute;top:-80px;right:-80px;width:240px;height:240px;
  border-radius:50%;background:rgba(200,146,42,.06)}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,32px);font-weight:800;margin-bottom:10px;letter-spacing:1px}
.cta-band p{color:rgba(255,255,255,.78);font-size:15.5px;margin-bottom:22px;max-width:640px;margin-left:auto;margin-right:auto}
.cta-band .btn-primary{background:linear-gradient(135deg,var(--gold),var(--gold-light))}

/* ===== FOOTER（视觉优化） ===== */
.footer{background:var(--primary);padding:52px 3.5% 28px;color:rgba(255,255,255,.7);position:relative}
.footer::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--gold),var(--gold-light),var(--gold))}
.footer-inner{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:28px;max-width:var(--max-width);margin:0 auto}
.footer-brand h3{color:#fff;font-size:23px;font-weight:800;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.footer-brand h3::after{content:'|';color:var(--gold);font-weight:300;font-size:14px;margin-left:4px}
.footer-brand p{font-size:13.5px;line-height:1.9;margin-bottom:4px}
.footer-brand .fb-highlight{margin-top:12px;padding:14px 18px;background:rgba(200,146,42,.1);
  border:1px solid rgba(200,146,42,.2);border-radius:8px;border-left:3px solid var(--gold)}
.fb-highlight p{color:var(--gold-light);font-size:13px;line-height:1.7;margin:0;font-weight:600}
.footer-col h4{color:var(--gold-light);font-size:15px;font-weight:700;margin-bottom:14px;
  position:relative;padding-bottom:8px}
.footer-col h4::after{content:'';position:absolute;bottom:0;left:0;width:24px;height:2px;background:var(--gold-dark)}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:8px}
.footer-col a{color:rgba(255,255,255,.65);font-size:13.5px;transition:all .2s;padding:2px 0;display:inline-block}
.footer-col a:hover{color:var(--gold-light);transform:translateX(3px)}
.footer-btm{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:18px;
  text-align:left;font-size:12px;color:rgba(255,255,255,.38);max-width:var(--max-width);margin-left:auto;margin-right:auto}
@media(max-width:860px){
  .footer-inner{grid-template-columns:1fr 1fr}.cert-gallery-v3{grid-template-columns:repeat(2,1fr)}
}