/* ==========================================================
   成都厚朴膜结构 官网升级版样式 v2
   设计语言：深蓝 #0f172a + 亮蓝 #2563eb | 现代企业官网
   ========================================================== */

:root{
  --bg:#0b1120;
  --bg-soft:#0f172a;
  --bg-card:#111a2e;
  --bg-card2:#16223a;
  --bg-line:#1e2b45;
  --accent:#2563eb;
  --accent-light:#3b82f6;
  --accent-deep:#1d4ed8;
  --accent-soft:rgba(37,99,235,.12);
  --green:#07c160;
  --text:#eef2f9;
  --text2:#a5b4cc;
  --text3:#6b7c99;
  --border:rgba(148,163,184,.14);
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 34px rgba(2,6,23,.45);
  --grad:linear-gradient(135deg,#2563eb,#1d4ed8);
  --maxw:1200px;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  padding-bottom:64px;
}
img{max-width:100%;display:block;pointer-events:none;-webkit-user-drag:none;user-select:none;-webkit-user-select:none}
a{text-decoration:none;color:inherit}
ul{list-style:none}
body{-webkit-user-select:none;user-select:none}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.allow-select{-webkit-user-select:text!important;user-select:text!important}

/* ========== 工具类 ========== */
.section{padding:76px 0}
.section-soft{background:var(--bg-soft)}
.sec-head{text-align:center;max-width:760px;margin:0 auto 46px}
.sec-tag{display:inline-block;font-size:12px;letter-spacing:2px;color:var(--accent-light);
  background:var(--accent-soft);border:1px solid rgba(59,130,246,.3);padding:5px 16px;border-radius:20px;margin-bottom:16px}
.sec-title{font-size:32px;font-weight:800;line-height:1.3}
.sec-title em{color:var(--accent-light);font-style:normal}
.sec-sub{color:var(--text2);font-size:15px;margin-top:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 30px;border-radius:30px;font-size:15px;font-weight:600;transition:all .3s;border:1px solid transparent;cursor:pointer}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 22px rgba(37,99,235,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(37,99,235,.5)}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost:hover{background:rgba(255,255,255,.14)}
.btn-sm{padding:9px 20px;font-size:13px}
.mt-24{margin-top:24px}
.text-center{text-align:center}

/* ========== 顶部信息条 ========== */
.topbar{background:#0a1020;border-bottom:1px solid var(--border);font-size:12px;color:var(--text3)}
.topbar-inner{max-width:var(--maxw);margin:0 auto;padding:7px 20px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.topbar a{color:var(--text2);transition:color .2s}
.topbar a:hover{color:var(--accent-light)}

/* ========== 导航 ========== */
.navbar{position:sticky;top:0;z-index:1000;background:rgba(11,17,32,.92);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 20px;height:68px;display:flex;align-items:center;justify-content:space-between}
.nav-logo{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:800;color:#fff}
.hp-logo{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:11px;
  background:var(--grad);color:#fff;font-size:17px;font-weight:800;letter-spacing:-1px;flex-shrink:0;
  box-shadow:0 4px 14px rgba(37,99,235,.45)}
.nav-logo small{display:block;font-size:10px;font-weight:400;color:var(--text3);letter-spacing:1px;line-height:1}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links>a,.nav-item{display:block;padding:9px 15px;font-size:14px;color:var(--text2);border-radius:8px;transition:all .25s;position:relative;cursor:pointer;background:none;border:none}
.nav-links>a:hover,.nav-item:hover,.nav-links>a.active{color:#fff;background:rgba(255,255,255,.06)}
.nav-phone{margin-left:8px;background:var(--grad);color:#fff!important;padding:10px 20px!important;border-radius:24px;font-weight:700;font-size:14px;box-shadow:0 4px 16px rgba(37,99,235,.4)}
.nav-phone:hover{transform:translateY(-1px);box-shadow:0 8px 24px rgba(37,99,235,.5)}

/* 产品下拉 */
.dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(8px);min-width:560px;
  background:#0f1a30;border:1px solid var(--border);border-radius:16px;padding:18px;display:none;z-index:1001;
  box-shadow:var(--shadow)}
.dropdown.open{display:block}
.nav-item:hover .dropdown,.nav-item:focus-within .dropdown{display:block}
.dropdown-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:6px}
.dropdown-group-title{grid-column:1/-1;font-size:11px;color:var(--text3);letter-spacing:1px;margin:8px 4px 2px;border-top:1px solid var(--border);padding-top:10px}
.dropdown-group-title:first-child{border-top:none;padding-top:0;margin-top:2px}
.dropdown a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:9px;font-size:13.5px;color:var(--text2);transition:all .2s}
.dropdown a:hover{background:var(--accent-soft);color:#fff}
.dropdown a .dot{width:6px;height:6px;border-radius:50%;background:var(--accent-light);flex-shrink:0}

/* 汉堡 */
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer;padding:6px}
.mobile-menu{display:none;background:var(--bg-soft);border-top:1px solid var(--border);max-height:0;overflow:hidden;transition:max-height .35s}
.mobile-menu.open{max-height:70vh;overflow-y:auto}
.mobile-menu a{display:block;padding:13px 24px;color:var(--text2);font-size:14.5px;border-bottom:1px solid rgba(148,163,184,.07)}
.mobile-menu a:hover,.mobile-menu a.active{color:#fff;background:var(--accent-soft)}

/* ========== Hero ========== */
.hero{position:relative;min-height:600px;display:flex;align-items:center;overflow:hidden;
  background:url('../images/bg/banner-main.jpg') center/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(11,17,32,.94) 12%,rgba(11,17,32,.72) 42%,rgba(11,17,32,.25) 78%,rgba(11,17,32,.15) 100%)}
.hero-inner{position:relative;z-index:2;max-width:var(--maxw);margin:0 auto;padding:90px 20px;width:100%}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(37,99,235,.16);border:1px solid rgba(59,130,246,.4);
  color:#bfdbfe;font-size:12.5px;letter-spacing:1px;padding:7px 16px;border-radius:24px;margin-bottom:22px}
.hero-badge .pulse{width:8px;height:8px;border-radius:50%;background:#60a5fa;box-shadow:0 0 0 0 rgba(96,165,250,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(96,165,250,.5)}70%{box-shadow:0 0 0 10px rgba(96,165,250,0)}100%{box-shadow:0 0 0 0 rgba(96,165,250,0)}}
.hero h1{font-size:46px;font-weight:800;line-height:1.22;max-width:640px}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,#60a5fa,#3b82f6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero-sub{margin:20px 0 34px;max-width:580px;font-size:16.5px;color:var(--text2);line-height:1.8}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{margin-top:52px;display:flex;gap:0;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding-top:28px}
.hero-trust .item{flex:1 1 150px;padding:6px 18px 6px 0;border-right:1px solid rgba(255,255,255,.12)}
.hero-trust .item+.item{padding-left:18px}
.hero-trust b{font-size:30px;font-weight:800;color:#fff;display:block;line-height:1.2}
.hero-trust b i{font-style:normal;font-size:15px;color:var(--accent-light);font-weight:600}
.hero-trust span{font-size:12.5px;color:var(--text3)}

/* ========== 垂直场景区 ========== */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.scene-card{position:relative;border-radius:var(--radius);overflow:hidden;min-height:230px;display:flex;align-items:flex-end;
  border:1px solid var(--border);transition:all .35s}
.scene-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:rgba(59,130,246,.5)}
.scene-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .6s}
.scene-card:hover img{transform:scale(1.06)}
.scene-card::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,17,32,.05) 30%,rgba(11,17,32,.92) 100%)}
.scene-body{position:relative;z-index:2;padding:22px;width:100%}
.scene-body h3{font-size:19px;font-weight:700;margin-bottom:5px}
.scene-body p{font-size:13px;color:var(--text2);line-height:1.6;margin-bottom:12px}
.scene-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--accent-light)}
.scene-num{position:absolute;top:16px;right:16px;z-index:2;background:rgba(11,17,32,.65);backdrop-filter:blur(6px);
  color:#bfdbfe;font-size:12px;padding:4px 12px;border-radius:16px;border:1px solid rgba(59,130,246,.35)}

/* ========== 产品卡片 ========== */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.product-card{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:all .3s;display:block}
.product-card:hover{transform:translateY(-5px);border-color:rgba(59,130,246,.55);box-shadow:var(--shadow)}
.product-card .thumb{position:relative;overflow:hidden}
.product-card .thumb img{width:100%;height:170px;object-fit:cover;transition:transform .5s}
.product-card:hover .thumb img{transform:scale(1.07)}
.product-card .tag{position:absolute;top:10px;left:10px;background:rgba(11,17,32,.72);backdrop-filter:blur(4px);
  color:#bfdbfe;font-size:11px;padding:3px 10px;border-radius:14px;border:1px solid rgba(59,130,246,.35)}
.product-card .body{padding:16px}
.product-card h3{font-size:16.5px;font-weight:700;margin-bottom:6px}
.product-card p{font-size:13px;color:var(--text2);line-height:1.6;min-height:42px}
.product-card .more{margin-top:12px;font-size:12.5px;color:var(--accent-light);font-weight:600;display:inline-flex;align-items:center;gap:5px}

/* ========== 为什么选我们 ========== */
.why-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.why-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 24px;transition:all .3s;position:relative;overflow:hidden}
.why-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);opacity:0;transition:opacity .3s}
.why-card:hover{transform:translateY(-4px);border-color:rgba(59,130,246,.45)}
.why-card:hover::before{opacity:1}
.why-icon{width:52px;height:52px;border-radius:13px;background:var(--accent-soft);border:1px solid rgba(59,130,246,.3);
  display:flex;align-items:center;justify-content:center;font-size:24px;margin-bottom:16px}
.why-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.why-card p{font-size:13.5px;color:var(--text2);line-height:1.7}

/* 服务流程 */
.steps{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;counter-reset:step}
.step{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:22px 14px;text-align:center;position:relative;transition:all .3s}
.step:hover{border-color:rgba(59,130,246,.5);transform:translateY(-3px)}
.step .num{width:34px;height:34px;margin:0 auto 12px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px rgba(37,99,235,.4)}
.step h4{font-size:14px;font-weight:700;margin-bottom:5px}
.step p{font-size:12px;color:var(--text3);line-height:1.5}

/* ========== 实力数据 ========== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{background:linear-gradient(150deg,var(--bg-card),var(--bg-card2));border:1px solid var(--border);border-radius:var(--radius);padding:34px 20px;text-align:center;transition:all .3s}
.stat-card:hover{border-color:rgba(59,130,246,.5);transform:translateY(-3px)}
.stat-num{font-size:44px;font-weight:800;background:linear-gradient(120deg,#93c5fd,#3b82f6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1.2}
.stat-num i{font-style:normal;font-size:18px;-webkit-text-fill-color:var(--accent-light)}
.stat-label{font-size:14px;color:var(--text2);margin-top:8px}

/* ========== 资质荣誉 ========== */
.trust-grid{display:grid;grid-template-columns:1.1fr 1.9fr;gap:34px;align-items:stretch}
.trust-visual{position:relative;border-radius:var(--radius);overflow:hidden;min-height:340px;border:1px solid var(--border)}
.trust-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.trust-visual .cap{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(11,17,32,.95));padding:34px 22px 18px}
.trust-visual .cap b{font-size:15px}
.trust-visual .cap span{font-size:12px;color:var(--text3)}
.qual-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;align-content:start}
.qual-item{display:flex;align-items:center;gap:13px;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:16px 16px;transition:all .25s}
.qual-item:hover{border-color:rgba(59,130,246,.5);transform:translateX(3px)}
.qual-item .ic{width:42px;height:42px;flex-shrink:0;border-radius:10px;background:var(--accent-soft);display:flex;align-items:center;justify-content:center;font-size:20px}
.qual-item b{display:block;font-size:14px;font-weight:700}
.qual-item span{font-size:12px;color:var(--text3)}

/* 行业徽章墙 */
.logo-wall{display:grid;grid-template-columns:repeat(8,1fr);gap:14px}
.logo-cell{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:12px 8px;text-align:center;transition:all .25s}
.logo-cell:hover{border-color:rgba(59,130,246,.5);transform:translateY(-3px)}
.logo-cell img{width:56px;height:56px;object-fit:contain;margin:0 auto 8px;border-radius:50%}
.logo-cell span{font-size:12px;color:var(--text2);display:block}

/* ========== 案例网格 ========== */
.case-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.case-card{background:var(--bg-card);border-radius:12px;overflow:hidden;border:1px solid var(--border);transition:all .3s;display:block}
.case-card:hover{transform:translateY(-4px);border-color:rgba(59,130,246,.55);box-shadow:var(--shadow)}
.case-card .thumb{position:relative;overflow:hidden}
.case-card .thumb img{width:100%;height:150px;object-fit:cover;transition:transform .5s}
.case-card:hover .thumb img{transform:scale(1.06)}
.case-card .area{position:absolute;top:10px;right:10px;background:rgba(37,99,235,.92);color:#fff;font-size:11px;padding:2px 9px;border-radius:12px;font-weight:600}
.case-card h3{padding:12px 14px;font-size:13.5px;color:var(--text2);text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.case-card:hover h3{color:#fff}

/* ========== 知识卡片 ========== */
.knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.knowledge-card{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:all .3s;display:flex;flex-direction:column}
.knowledge-card:hover{transform:translateY(-4px);border-color:rgba(59,130,246,.55);box-shadow:var(--shadow)}
.knowledge-card .thumb{overflow:hidden}
.knowledge-card .thumb img{width:100%;height:155px;object-fit:cover;transition:transform .5s}
.knowledge-card:hover .thumb img{transform:scale(1.06)}
.knowledge-card .body{padding:16px;display:flex;flex-direction:column;flex:1}
.knowledge-card .tag{display:inline-block;align-self:flex-start;background:var(--accent-soft);color:var(--accent-light);font-size:11.5px;padding:3px 12px;border-radius:14px;margin-bottom:9px}
.knowledge-card h3{font-size:15.5px;font-weight:700;line-height:1.45;margin-bottom:7px}
.knowledge-card p{font-size:13px;color:var(--text2);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}

/* ========== 客户评价 ========== */
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.testi-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:26px 24px;position:relative}
.testi-card .stars{color:#fbbf24;font-size:15px;letter-spacing:2px;margin-bottom:14px}
.testi-card p{font-size:13.5px;color:var(--text2);line-height:1.8}
.testi-card .who{margin-top:16px;display:flex;align-items:center;gap:10px}
.testi-card .avatar{width:38px;height:38px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;flex-shrink:0}
.testi-card .who b{display:block;font-size:13.5px}
.testi-card .who span{font-size:11.5px;color:var(--text3)}

/* ========== CTA 大区 ========== */
.cta-banner{position:relative;overflow:hidden;background:url('../images/trust/cta-bg.jpg') center/cover no-repeat;border-radius:22px;
  border:1px solid var(--border);padding:64px 44px;text-align:center}
.cta-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,17,32,.93),rgba(11,17,32,.78))}
.cta-banner>*{position:relative;z-index:2}
.cta-banner h2{font-size:30px;font-weight:800;margin-bottom:12px}
.cta-banner p{color:var(--text2);font-size:15px;max-width:640px;margin:0 auto 30px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.cta-actions .btn{min-width:190px}

/* ========== 联系区 ========== */
.contact-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:24px}
.contact-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:30px 22px;text-align:center;transition:all .3s;display:block}
.contact-card:hover{transform:translateY(-4px);border-color:rgba(59,130,246,.5)}
.contact-card .ic{font-size:34px;margin-bottom:12px}
.contact-card h3{font-size:17px;font-weight:700;margin-bottom:5px}
.contact-card p{font-size:13px;color:var(--text2)}
.contact-card .num{display:block;font-size:19px;font-weight:800;margin-top:8px}
.contact-card.phone .num{color:var(--accent-light)}
.contact-card.wechat .num{color:var(--green)}
.contact-info-bar{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:22px 28px;text-align:center}
.contact-info-bar p{font-size:14px;color:var(--text2);margin-bottom:6px}
.contact-info-bar b{color:#fff}

/* ========== 页脚 ========== */
.footer{background:#070c18;border-top:1px solid var(--border);padding:52px 0 30px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;margin-bottom:34px}
.footer-brand p{font-size:13px;color:var(--text3);margin-top:14px;line-height:1.8;max-width:340px}
.footer h4{font-size:15px;font-weight:700;margin-bottom:16px;position:relative;padding-bottom:10px}
.footer h4::after{content:"";position:absolute;left:0;bottom:0;width:28px;height:2px;background:var(--grad);border-radius:2px}
.footer-links a{display:block;font-size:13px;color:var(--text3);padding:5px 0;transition:color .2s}
.footer-links a:hover{color:var(--accent-light)}
.footer-contact li{font-size:13px;color:var(--text3);padding:5px 0;display:flex;gap:8px}
.footer-bottom{border-top:1px solid var(--border);padding-top:22px;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--text3)}
.footer-bottom a{color:var(--text3)}
.footer-bottom a:hover{color:var(--accent-light)}
.mobile-call-bar{display:none;position:fixed;bottom:0;left:0;right:0;z-index:990;background:var(--grad);padding:11px 20px;text-align:center}
.mobile-call-bar a{color:#fff;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;gap:8px}

/* ========== 内页通用 ========== */
.page-hero{position:relative;padding:64px 0 56px;overflow:hidden;background:var(--bg-soft);border-bottom:1px solid var(--border)}
.page-hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(600px 300px at 15% 0%,rgba(37,99,235,.16),transparent 70%),
  radial-gradient(500px 260px at 90% 100%,rgba(37,99,235,.1),transparent 70%)}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{font-size:12.5px;color:var(--text3);margin-bottom:18px}
.breadcrumb a{color:var(--text2)}
.breadcrumb a:hover{color:var(--accent-light)}
.breadcrumb span{margin:0 8px}
.page-hero h1{font-size:36px;font-weight:800}
.page-hero p{color:var(--text2);font-size:15px;margin-top:12px;max-width:720px;line-height:1.8}
.hero-stat-strip{display:flex;gap:26px;margin-top:28px;flex-wrap:wrap}
.hero-stat-strip b{font-size:24px;font-weight:800;color:var(--accent-light)}
.hero-stat-strip span{font-size:12.5px;color:var(--text3);display:block}

/* 筛选 tabs */
.filter-tabs{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:34px}
.filter-tab{padding:9px 22px;border-radius:24px;border:1px solid var(--border);background:var(--bg-card);color:var(--text2);
  font-size:13.5px;cursor:pointer;transition:all .25s}
.filter-tab:hover{border-color:rgba(59,130,246,.5);color:#fff}
.filter-tab.active{background:var(--grad);border-color:transparent;color:#fff;font-weight:600;box-shadow:0 4px 16px rgba(37,99,235,.35)}

/* 分页 */
.pagination{display:flex;justify-content:center;gap:8px;margin-top:40px;flex-wrap:wrap}
.pagination button{background:var(--bg-card);border:1px solid var(--border);color:var(--text2);padding:9px 16px;border-radius:9px;cursor:pointer;font-size:13.5px;transition:all .25s}
.pagination button:hover{border-color:var(--accent-light);color:#fff}
.pagination button.active{background:var(--grad);border-color:transparent;color:#fff;font-weight:700}
.pagination button:disabled{opacity:.35;cursor:not-allowed}

/* 空状态提示 */
.empty-tip{text-align:center;color:var(--text3);padding:40px 0;font-size:14px}

/* ========== 滚动淡入 ========== */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ========== 响应式 ========== */
@media (max-width:1024px){
  .product-grid,.case-grid{grid-template-columns:repeat(3,1fr)}
  .logo-wall{grid-template-columns:repeat(4,1fr)}
  .steps{grid-template-columns:repeat(3,1fr);gap:14px}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:1fr}
  .dropdown{min-width:440px}
}
@media (max-width:768px){
  body{padding-bottom:56px}
  .section{padding:52px 0}
  .sec-title{font-size:25px}
  .nav-toggle{display:block}
  .nav-links{display:none}
  .mobile-menu{display:block}
  .topbar-inner{justify-content:center}
  .hero{min-height:520px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:14.5px}
  .hero-inner{padding:64px 16px}
  .hero-trust .item{flex:1 1 46%;border-right:none}
  .hero-trust .item+.item{padding-left:0}
  .hero-trust .item:nth-child(odd){border-right:1px solid rgba(255,255,255,.12)}
  .hero-trust b{font-size:24px}
  .scene-grid,.why-grid,.stats-grid,.knowledge-grid,.testi-grid{grid-template-columns:1fr}
  .product-grid,.case-grid{grid-template-columns:1fr;gap:14px}
  .product-card .thumb img{height:190px}
  /* 手机版三个联系按钮横排（图标+主标题+号码） */
  .contact-cards{grid-template-columns:repeat(3,1fr);gap:8px}
  .contact-card{padding:16px 6px}
  .contact-card .ic{font-size:26px;margin-bottom:6px}
  .contact-card h3{font-size:14px;margin-bottom:2px}
  .contact-card p{display:none}
  .contact-card .num{font-size:13.5px;margin-top:4px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .stat-num{font-size:34px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .logo-wall{grid-template-columns:repeat(4,1fr);gap:10px}
  .logo-cell img{width:44px;height:44px}
  .cta-banner{padding:44px 20px}
  .cta-banner h2{font-size:24px}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px 20px}
  .footer-brand{grid-column:1 / -1}
  .footer-top>div:last-child{grid-column:1 / -1}
  .page-hero h1{font-size:27px}
  .contact-info-bar{padding:18px}
  .mobile-call-bar{display:block;padding:9px 16px}
  .mobile-call-bar a{font-size:15px}
}
@media (max-width:480px){
  .product-grid,.case-grid{grid-template-columns:1fr;gap:12px}
  .product-card .thumb img{height:170px}
  .contact-card .num{font-size:12.5px}
  .contact-card h3{font-size:13px}
  .hero-trust .item b{font-size:22px}
}

/* ==========================================================
   内页详情内容区（案例详情 / 知识详情）
   ========================================================== */

/* 工程信息卡片 */
.project-info-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 32px;margin-bottom:36px;box-shadow:var(--shadow)}
.project-info-card h3{font-size:18px;color:var(--text);margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}
.project-info-card h3::before{content:"";width:4px;height:18px;background:var(--grad);border-radius:2px}
.project-info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0}
.project-info-item{display:flex;padding:10px 0;border-bottom:1px dashed var(--border);font-size:14.5px}
.project-info-item:nth-last-child(-n+2){border-bottom:none}
.project-info-item .label{color:var(--text3);min-width:88px;flex-shrink:0}
.project-info-item .value{color:var(--text);font-weight:500}

/* 实景画廊 */
.gallery-section{margin-bottom:40px}
.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery-item{position:relative;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--border);background:var(--bg-card);aspect-ratio:4/3;cursor:pointer;transition:transform .3s,box-shadow .3s}
.gallery-item:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(2,6,23,.5)}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.gallery-item:hover img{transform:scale(1.05)}
.gallery-item .gallery-num{position:absolute;top:10px;left:10px;background:rgba(15,23,42,.8);color:#fff;font-size:12px;padding:3px 10px;border-radius:20px;backdrop-filter:blur(4px)}

/* 灯箱 */
.lightbox{display:none;position:fixed;inset:0;background:rgba(2,6,23,.92);z-index:9999;align-items:center;justify-content:center;backdrop-filter:blur(6px)}
.lightbox.open{display:flex}
.lightbox img{max-width:90vw;max-height:85vh;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.6)}
.lightbox-close{position:absolute;top:24px;right:32px;color:#fff;font-size:32px;cursor:pointer;background:rgba(255,255,255,.1);width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .2s}
.lightbox-close:hover{background:rgba(255,255,255,.2)}
.lightbox-nav{position:absolute;top:50%;transform:translateY(-50%);color:#fff;font-size:28px;cursor:pointer;background:rgba(255,255,255,.1);width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .2s;user-select:none}
.lightbox-nav:hover{background:rgba(255,255,255,.2)}
.lightbox-prev{left:24px}
.lightbox-next{right:24px}

/* 文章头部 */
.article-header{text-align:center;margin-bottom:28px}
.article-tag{display:inline-block;background:var(--accent-soft);color:var(--accent-light);font-size:13px;padding:5px 16px;border-radius:20px;font-weight:600;margin-bottom:16px}
.article-title{font-size:30px;font-weight:700;color:var(--text);line-height:1.35;margin-bottom:14px}
.article-meta{color:var(--text3);font-size:13.5px}
.article-meta span{margin:0 8px}

/* 文章封面 */
.article-cover{width:100%;border-radius:var(--radius);margin-bottom:32px;box-shadow:var(--shadow);border:1px solid var(--border)}

/* 文章正文 */
.article-body{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:36px 40px;line-height:1.85;font-size:15.5px;color:var(--text2)}
.article-body h2{font-size:21px;color:var(--text);margin:32px 0 14px;padding-left:14px;border-left:4px solid var(--accent);font-weight:700}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:17px;color:var(--text);margin:24px 0 10px;font-weight:600}
.article-body p{margin-bottom:16px}
.article-body ul,.article-body ol{margin:0 0 16px 24px}
.article-body li{margin-bottom:8px;color:var(--text2)}
.article-body ul li{list-style:disc}
.article-body ol li{list-style:decimal}
.article-body strong{color:var(--accent-light);font-weight:600}
.article-body img{border-radius:var(--radius-sm);margin:16px 0}

/* 通用内容块（膜结构优势/客户须知/厚朴承诺） */
.content-blocks{margin-top:36px;display:grid;gap:20px}
.content-block{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:28px 32px}
.content-block h2{font-size:19px;color:var(--text);margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:8px}
.content-block h2::before{content:"";width:4px;height:16px;background:var(--grad);border-radius:2px}
.content-block h3{font-size:15.5px;color:var(--accent-light);margin:18px 0 8px;font-weight:600}
.content-block p{color:var(--text2);font-size:14.5px;line-height:1.8;margin-bottom:10px}
.content-block ul{margin:0 0 12px 20px}
.content-block li{color:var(--text2);font-size:14.5px;line-height:1.8;margin-bottom:6px;list-style:disc}
.content-block ol{margin:0 0 12px 20px}
.content-block ol li{list-style:decimal}

/* 上下篇导航 */
.post-nav{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:36px 0;flex-wrap:wrap}
.post-nav-btn{display:inline-flex;align-items:center;gap:6px;background:var(--bg-card);border:1px solid var(--border);color:var(--text2);padding:12px 20px;border-radius:var(--radius-sm);font-size:14px;transition:all .25s;max-width:40%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-nav-btn:hover{border-color:var(--accent-light);color:#fff;background:var(--bg-card2)}
.post-nav-btn.center{color:var(--accent-light);font-weight:600}
.post-nav-btn.disabled{opacity:.4;cursor:default;pointer-events:none}

/* 相关推荐 */
.related-section{margin-top:40px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.related-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.related-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(2,6,23,.5)}
.related-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-card2)}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.related-card:hover .thumb img{transform:scale(1.05)}
.related-card .body{padding:16px 18px;flex:1;display:flex;flex-direction:column}
.related-card .tag{font-size:12px;color:var(--accent-light);font-weight:600;margin-bottom:6px}
.related-card .title{font-size:14.5px;color:var(--text);font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .meta{font-size:12.5px;color:var(--text3);margin-top:8px}

/* 内页响应式 */
@media (max-width:1024px){
  .gallery-grid{grid-template-columns:repeat(2,1fr)}
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .project-info-card{padding:20px}
  .project-info-grid{grid-template-columns:1fr}
  .project-info-item{border-bottom:1px dashed var(--border)}
  .project-info-item:last-child{border-bottom:none}
  .gallery-grid{grid-template-columns:1fr;gap:12px}
  .gallery-item{aspect-ratio:16/10}
  .article-body{padding:22px 18px;font-size:14.5px}
  .article-title{font-size:23px}
  .content-block{padding:20px}
  .post-nav-btn{max-width:100%;font-size:13px;padding:10px 14px}
  .related-grid{grid-template-columns:1fr}
  .lightbox-nav{width:38px;height:38px;font-size:22px}
  .lightbox-prev{left:10px}
  .lightbox-next{right:10px}
  .scheme-grid{grid-template-columns:1fr;gap:14px}
  .scheme-card .scheme-thumb{aspect-ratio:16/10}
  .advantage-grid{grid-template-columns:1fr 1fr}
  .material-table{font-size:13px}
  .material-table th,.material-table td{padding:10px 8px}
}

/* ==========================================================
   产品详情页内容区
   ========================================================== */

/* 方案造型卡片网格 */
.scheme-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}
.scheme-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .3s,box-shadow .3s;display:flex;flex-direction:column}
.scheme-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(2,6,23,.5)}
.scheme-card .scheme-thumb{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--bg-card2)}
.scheme-card .scheme-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.scheme-card:hover .scheme-thumb img{transform:scale(1.05)}
.scheme-card .scheme-tag{position:absolute;top:10px;left:10px;background:var(--grad);color:#fff;font-size:12px;padding:3px 12px;border-radius:20px;font-weight:600;box-shadow:0 2px 8px rgba(37,99,235,.4)}
.scheme-card .scheme-info{padding:14px 16px;flex:1;display:flex;flex-direction:column}
.scheme-card .scheme-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:6px}
.scheme-card .scheme-desc{font-size:13px;color:var(--text3);line-height:1.6}

/* 材料参数表 */
.material-table{width:100%;border-collapse:collapse;background:var(--bg-card);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);margin-top:8px}
.material-table thead{background:var(--grad)}
.material-table th{color:#fff;font-weight:600;padding:14px 16px;text-align:left;font-size:14.5px}
.material-table td{padding:12px 16px;border-bottom:1px solid var(--border);color:var(--text2);font-size:14px}
.material-table tbody tr:last-child td{border-bottom:none}
.material-table tbody tr:hover{background:var(--bg-card2)}

/* 核心优势网格 */
.advantage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:8px}
.advantage-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px 20px;text-align:center;transition:transform .3s,box-shadow .3s}
.advantage-card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(2,6,23,.5);border-color:rgba(59,130,246,.3)}
.advantage-card .icon{font-size:32px;margin-bottom:12px}
.advantage-card h4{font-size:16px;color:var(--text);margin-bottom:8px;font-weight:600}
.advantage-card p{font-size:13.5px;color:var(--text3);line-height:1.6}

@media (max-width:1024px){
  .scheme-grid{grid-template-columns:repeat(2,1fr)}
  .advantage-grid{grid-template-columns:repeat(2,1fr)}
}
/* 手机版方案图单列展示（置于1024px规则之后，确保优先级） */
@media (max-width:768px){
  .scheme-grid{grid-template-columns:1fr;gap:14px}
  .scheme-card .scheme-thumb{aspect-ratio:16/10}
}