/* ============================================
   上海市低碳科技与产业发展协会 官网样式 v3.0
   简洁版
   ============================================ */

:root {
  --primary: #1a6b3c;
  --primary-dark: #0f4a28;
  --primary-light: #2d8a52;
  --accent: #4caf7d;
  --accent-light: #e8f5ee;
  --text-dark: #1a2332;
  --text-body: #3d4f5c;
  --text-muted: #6b7c8d;
  --border: #dde5e0;
  --bg-light: #f7faf8;
  --bg-white: #ffffff;
  --shadow-sm: 0 2px 8px rgba(26,107,60,0.08);
  --shadow-md: 0 4px 20px rgba(26,107,60,0.12);
  --radius: 8px;
  --radius-lg: 14px;
  --transition: all 0.25s ease;
  --font: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:var(--font);color:var(--text-body);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none;transition:var(--transition);}
img{max-width:100%;height:auto;display:block;}
ul{list-style:none;}
button{cursor:pointer;border:none;background:none;font-family:inherit;}

.container{max-width:1160px;margin:0 auto;padding:0 24px;}
.section{padding:64px 0;}

/* ---- 顶部栏 ---- */
.top-bar{background:var(--primary-dark);color:rgba(255,255,255,0.8);font-size:12.5px;padding:7px 0;}
.top-bar .container{display:flex;justify-content:space-between;align-items:center;}
.top-bar-links a{color:rgba(255,255,255,0.7);margin-left:18px;}
.top-bar-links a:hover{color:#fff;}

/* ---- 导航 ---- */
.navbar{background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000;box-shadow:var(--shadow-sm);}
.navbar .container{display:flex;align-items:center;justify-content:space-between;height:68px;}
.navbar-brand{display:flex;align-items:center;gap:6px;flex-shrink:0;}
.navbar-logo{height:56px;display:flex;align-items:center;flex-shrink:0;}
.navbar-logo img{height:56px;width:auto;border-radius:0;}
.navbar-title .org-name{font-size:15px;font-weight:700;color:var(--text-dark);display:block;}
.navbar-title .org-sub{font-size:11px;color:var(--text-muted);display:block;}
.navbar-nav{display:flex;align-items:center;gap:2px;flex-shrink:1;min-width:0;}
.nav-item{position:relative;}
.nav-link{display:flex;align-items:center;gap:3px;padding:7px 13px;font-size:14px;font-weight:500;color:var(--text-body);border-radius:var(--radius);transition:var(--transition);white-space:nowrap;}
.nav-link:hover,.nav-link.active{color:var(--primary);background:var(--accent-light);}
.nav-arrow{font-size:9px;transition:transform 0.2s;}
.nav-item:hover .nav-arrow{transform:rotate(180deg);}
.dropdown-menu{position:absolute;top:calc(100% + 6px);left:0;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-md);min-width:160px;padding:6px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:var(--transition);z-index:100;}
.nav-item:hover .dropdown-menu{opacity:1;visibility:visible;transform:translateY(0);}
.dropdown-item{display:block;padding:8px 13px;font-size:13.5px;color:var(--text-body);border-radius:6px;transition:var(--transition);}
.dropdown-item:hover{background:var(--accent-light);color:var(--primary);}
.navbar-toggle{display:none;flex-direction:column;gap:5px;padding:8px;cursor:pointer;}
.navbar-toggle span{display:block;width:22px;height:2px;background:var(--text-dark);border-radius:2px;transition:var(--transition);}

/* ---- 英雄区 ---- */
.hero{position:relative;min-height:500px;display:flex;align-items:center;overflow:hidden;background:var(--primary-dark);}
.hero-slides{position:absolute;inset:0;}
.hero-slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity 1.2s ease;}
.hero-slide.active{opacity:1;}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,50,25,0.88) 0%,rgba(26,107,60,0.55) 100%);}
.hero-content{position:relative;z-index:2;color:#fff;max-width:620px;padding:60px 0;}
.hero-badge{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.22);border-radius:20px;padding:5px 14px;font-size:12.5px;margin-bottom:20px;}
.hero-badge .dot{width:6px;height:6px;background:#7dffb3;border-radius:50%;animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.5;transform:scale(1.3);}}
.hero h1{font-size:38px;font-weight:800;line-height:1.25;margin-bottom:16px;}
.hero h1 span{color:#7dffb3;}
.hero p{font-size:16px;color:rgba(255,255,255,0.82);margin-bottom:32px;line-height:1.8;max-width:520px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-dots{position:absolute;bottom:24px;left:50%;transform:translateX(-50%);z-index:3;display:flex;gap:10px;}
.hero-dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,0.4);cursor:pointer;transition:all .3s;}
.hero-dot.active{background:#fff;transform:scale(1.2);}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;background:rgba(255,255,255,0.15);border:none;color:#fff;font-size:28px;width:44px;height:44px;border-radius:50%;cursor:pointer;transition:all .3s;backdrop-filter:blur(4px);}
.hero-arrow:hover{background:rgba(255,255,255,0.3);}
.hero-arrow-left{left:20px;}
.hero-arrow-right{right:20px;}
.btn{display:inline-flex;align-items:center;gap:7px;padding:12px 26px;border-radius:var(--radius);font-size:14.5px;font-weight:600;transition:var(--transition);cursor:pointer;}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 4px 14px rgba(76,175,125,0.35);}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,0.45);}
.btn-outline:hover{background:rgba(255,255,255,0.1);border-color:#fff;}
.btn-green{background:var(--primary);color:#fff;}
.btn-green:hover{background:var(--primary-light);transform:translateY(-2px);}

/* ---- 页面内页英雄 ---- */
.page-hero{background:linear-gradient(135deg,var(--primary-dark),var(--primary));padding:40px 0;color:#fff;}
.breadcrumb{font-size:13px;color:rgba(255,255,255,0.65);margin-bottom:12px;display:flex;align-items:center;gap:6px;}
.breadcrumb a{color:rgba(255,255,255,0.65);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.5;}
.page-hero h1{font-size:28px;font-weight:800;margin-bottom:8px;}
.page-hero p{font-size:15px;color:rgba(255,255,255,0.78);max-width:560px;}

/* ---- 区块标题 ---- */
.section-header{margin-bottom:40px;}
.section-header.center{text-align:center;}
.section-tag{display:inline-flex;align-items:center;gap:5px;background:var(--accent-light);color:var(--primary);font-size:11.5px;font-weight:700;padding:4px 13px;border-radius:20px;margin-bottom:12px;letter-spacing:.5px;}
.section-tag::before{content:'';width:5px;height:5px;background:var(--primary);border-radius:50%;}
.section-header h2{font-size:26px;font-weight:800;color:var(--text-dark);line-height:1.3;margin-bottom:10px;}
.section-header p{font-size:15px;color:var(--text-muted);max-width:520px;line-height:1.7;}
.section-header.center p{margin:0 auto;}
.section-divider{width:40px;height:3px;background:var(--accent);border-radius:2px;margin-top:14px;}
.section-header.center .section-divider{margin:14px auto 0;}

/* ---- 首页快速导航 ---- */
.quick-nav{background:var(--bg-light);padding:40px 0;border-bottom:1px solid var(--border);}
.quick-nav-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;}
.quick-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px 16px;text-align:center;transition:var(--transition);cursor:pointer;display:block;}
.quick-card:hover{border-color:var(--accent);box-shadow:var(--shadow-md);transform:translateY(-3px);}
.quick-icon{width:50px;height:50px;background:var(--accent-light);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin:0 auto 12px;transition:var(--transition);}
.quick-card:hover .quick-icon{background:var(--primary);color:#fff;}
.quick-card h3{font-size:13.5px;font-weight:700;color:var(--text-dark);margin-bottom:4px;}
.quick-card p{font-size:12px;color:var(--text-muted);line-height:1.5;}

/* ---- 低碳资讯（首页简版） ---- */
.news-home-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.news-featured-card{border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition);}
.news-featured-card:hover{box-shadow:var(--shadow-md);}
.news-feat-img{height:200px;display:flex;align-items:center;justify-content:center;font-size:52px;}
.news-feat-body{padding:22px;}
.news-category{display:inline-block;background:var(--accent-light);color:var(--primary);font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;margin-bottom:10px;}
.news-feat-body h3{font-size:17px;font-weight:700;color:var(--text-dark);line-height:1.4;margin-bottom:10px;}
.news-feat-body p{font-size:13.5px;color:var(--text-muted);line-height:1.7;margin-bottom:14px;}
.news-meta{font-size:12.5px;color:var(--text-muted);display:flex;gap:14px;flex-wrap:wrap;}
.news-list-simple{display:flex;flex-direction:column;gap:0;}
.news-list-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--primary);}
.news-list-header h3{font-size:15px;font-weight:700;color:var(--text-dark);}
.news-list-header a{font-size:13px;color:var(--primary);}
.news-item{display:flex;gap:14px;padding:13px 0;border-bottom:1px solid var(--border);cursor:pointer;transition:var(--transition);}
.news-item:last-child{border-bottom:none;}
.news-item:hover .news-item-title{color:var(--primary);}
.news-item-date{text-align:center;flex-shrink:0;width:40px;}
.news-item-date .day{font-size:20px;font-weight:800;color:var(--primary);display:block;line-height:1;}
.news-item-date .month{font-size:11px;color:var(--text-muted);}
.news-item-content{}
.news-item-cat{font-size:11px;font-weight:700;color:var(--accent);margin-bottom:3px;}
.news-item-title{font-size:13.5px;color:var(--text-dark);font-weight:500;line-height:1.5;}
.news-item-source{font-size:12px;color:var(--text-muted);margin-top:3px;}

/* ---- 资讯页 ---- */
.news-tabs{display:flex;gap:8px;margin-bottom:28px;flex-wrap:wrap;}
.news-tab{padding:6px 15px;border-radius:20px;font-size:13px;font-weight:500;border:1px solid var(--border);color:var(--text-muted);cursor:pointer;transition:var(--transition);}
.news-tab.active,.news-tab:hover{background:var(--primary);color:#fff;border-color:var(--primary);}
.news-page-layout{display:grid;grid-template-columns:1fr 300px;gap:36px;align-items:start;}
.news-card-list{display:flex;flex-direction:column;gap:20px;}
.news-card{border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;display:flex;gap:0;transition:var(--transition);}
.news-card:hover{box-shadow:var(--shadow-md);border-color:var(--accent);}
.news-card-thumb{width:120px;min-height:120px;display:flex;align-items:center;justify-content:center;font-size:36px;flex-shrink:0;}
.news-card-content{padding:18px 20px;flex:1;}
.news-card-content h3{font-size:15.5px;font-weight:700;color:var(--text-dark);line-height:1.45;margin-bottom:8px;}
.news-card-content p{font-size:13px;color:var(--text-muted);line-height:1.7;margin-bottom:10px;}
.news-card-footer{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--text-muted);}
.read-more{color:var(--primary);font-weight:600;}
.read-more:hover{text-decoration:underline;}
.pagination{display:flex;gap:8px;justify-content:center;margin-top:32px;}
.page-btn{width:36px;height:36px;border:1px solid var(--border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:13.5px;cursor:pointer;transition:var(--transition);}
.page-btn.active,.page-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary);}
.page-btn.pg-nav{width:auto!important;min-width:auto!important;padding:0 16px!important;}
.news-filter-bar{display:flex;align-items:center;gap:8px;margin-bottom:24px;flex-wrap:wrap;}
.filter-label{font-size:13.5px;font-weight:600;color:var(--text-dark);}
.filter-tag{padding:5px 14px;border-radius:20px;font-size:13px;font-weight:500;border:1px solid var(--border);color:var(--text-muted);cursor:pointer;transition:var(--transition);}
.filter-tag.active,.filter-tag:hover{background:var(--primary);color:#fff;border-color:var(--primary);}

/* 侧边栏 */
.sidebar-widget{background:var(--bg-light);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;margin-bottom:20px;}
.sidebar-widget h4{font-size:14px;font-weight:700;color:var(--text-dark);margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--primary);}
.sidebar-news-item{display:flex;gap:10px;padding:9px 0;border-bottom:1px solid var(--border);cursor:pointer;}
.sidebar-news-item:last-child{border-bottom:none;}
.sidebar-news-num{width:22px;height:22px;background:var(--accent-light);color:var(--primary);border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:800;flex-shrink:0;}
.sidebar-news-title{font-size:13px;color:var(--text-body);line-height:1.5;}
.sidebar-news-item:hover .sidebar-news-title{color:var(--primary);}
.sidebar-tag-cloud{display:flex;flex-wrap:wrap;gap:7px;}
.sidebar-tag{padding:4px 12px;background:#fff;border:1px solid var(--border);border-radius:20px;font-size:12px;color:var(--text-muted);cursor:pointer;transition:var(--transition);}
.sidebar-tag:hover{background:var(--accent-light);color:var(--primary);border-color:var(--accent);}

/* ---- 关于协会（首页简版） ---- */
.about-section{background:var(--bg-light);}
.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.about-visual{position:relative;}
.about-img-main{background:linear-gradient(135deg,var(--primary-dark),var(--primary-light));border-radius:var(--radius-lg);height:320px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#fff;gap:12px;}
.about-img-main span{font-size:56px;}
.about-img-main p{font-size:14px;color:rgba(255,255,255,0.75);}
.about-badge-card{position:absolute;bottom:-16px;right:-16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px 20px;box-shadow:var(--shadow-md);text-align:center;}
.about-badge-card .num{font-size:28px;font-weight:800;color:var(--primary);display:block;}
.about-badge-card .label{font-size:12px;color:var(--text-muted);}
.about-content{}
.about-content p{font-size:14.5px;color:var(--text-body);line-height:1.8;margin-bottom:14px;}
.about-features{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px;}
.about-feature{display:flex;align-items:flex-start;gap:10px;padding:12px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);}
.about-feature-icon{font-size:20px;flex-shrink:0;}
.about-feature-text h4{font-size:13px;font-weight:700;color:var(--text-dark);margin-bottom:2px;}
.about-feature-text p{font-size:12px;color:var(--text-muted);}

/* ---- 零碳数字人 ---- */
.dh-page-wrap{background:#0a1a0f;min-height:calc(100vh - 68px);}
.dh-hero{background:linear-gradient(135deg,#050f08,#0a1f10,#0d3020);padding:48px 0;position:relative;overflow:hidden;}
.dh-hero::after{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(76,175,125,0.04) 1px,transparent 1px),linear-gradient(90deg,rgba(76,175,125,0.04) 1px,transparent 1px);background-size:40px 40px;pointer-events:none;}
.dh-hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 420px;gap:40px;align-items:center;}
.dh-info-badge{display:inline-flex;align-items:center;gap:7px;background:rgba(76,175,125,0.15);border:1px solid rgba(76,175,125,0.3);color:#7dffb3;font-size:12px;font-weight:600;padding:5px 14px;border-radius:20px;margin-bottom:18px;}
.dh-info-badge .dot{width:6px;height:6px;background:#7dffb3;border-radius:50%;animation:pulse 2s infinite;}
.dh-info h1{font-size:36px;font-weight:900;color:#fff;line-height:1.25;margin-bottom:14px;}
.dh-info h1 span{color:#7dffb3;}
.dh-info p{font-size:15px;color:rgba(255,255,255,0.7);line-height:1.8;margin-bottom:24px;max-width:440px;}
.dh-avatar-panel{background:rgba(255,255,255,0.03);border:1px solid rgba(76,175,125,0.2);border-radius:16px;padding:28px;text-align:center;position:relative;}
.dh-avatar-panel::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,transparent,#7dffb3,transparent);}
.dh-avatar-glow{width:140px;height:140px;background:radial-gradient(circle,rgba(76,175,125,0.25) 0%,transparent 70%);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;position:relative;}
.dh-avatar-glow::before{content:'';position:absolute;inset:-6px;border-radius:50%;border:1px solid rgba(76,175,125,0.3);animation:spin 8s linear infinite;}
@keyframes spin{from{transform:rotate(0deg);}to{transform:rotate(360deg);}}
.dh-avatar-emoji{font-size:64px;position:relative;z-index:1;}
.dh-avatar-name{font-size:18px;font-weight:800;color:#fff;margin-bottom:4px;}
.dh-avatar-role{font-size:12.5px;color:rgba(255,255,255,0.5);margin-bottom:14px;}
.dh-online{display:inline-flex;align-items:center;gap:5px;background:rgba(76,175,125,0.15);border:1px solid rgba(76,175,125,0.3);color:#7dffb3;font-size:12px;padding:4px 12px;border-radius:20px;}
.dh-online .dot{width:5px;height:5px;background:#7dffb3;border-radius:50%;animation:pulse 2s infinite;}

/* 数字人原版GIF区域 */
.dh-original-section{background:#0a1a0f;padding:40px 0;}
.dh-original-inner{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;}
.dh-gif-panel{text-align:center;}
.dh-gif-panel h3{font-size:16px;font-weight:700;color:#7dffb3;margin-bottom:16px;}
.dh-gif-switcher{display:flex;gap:10px;justify-content:center;margin-bottom:16px;}
.dh-gif-btn{padding:7px 18px;background:rgba(76,175,125,0.12);border:1px solid rgba(76,175,125,0.25);color:rgba(255,255,255,0.7);border-radius:20px;font-size:13px;cursor:pointer;transition:var(--transition);}
.dh-gif-btn.active,.dh-gif-btn:hover{background:rgba(76,175,125,0.25);color:#7dffb3;border-color:rgba(76,175,125,0.5);}
.dh-gif-display{background:rgba(255,255,255,0.03);border:1px solid rgba(76,175,125,0.15);border-radius:14px;padding:20px;min-height:280px;display:flex;align-items:center;justify-content:center;}
.dh-gif-display img{max-height:260px;border-radius:8px;}

/* 聊天区 */
.dh-chat-panel{background:rgba(255,255,255,0.03);border:1px solid rgba(76,175,125,0.15);border-radius:14px;overflow:hidden;}
.dh-chat-header{background:linear-gradient(135deg,#0f4a28,#1a6b3c);padding:14px 18px;display:flex;align-items:center;gap:12px;}
.dh-chat-header-av{width:36px;height:36px;background:rgba(255,255,255,0.15);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;border:1.5px solid rgba(125,255,179,0.4);}
.dh-chat-header-info .name{font-size:14px;font-weight:700;color:#fff;}
.dh-chat-header-info .status{font-size:11.5px;color:rgba(255,255,255,0.6);display:flex;align-items:center;gap:4px;}
.dh-chat-header-info .status::before{content:'';width:5px;height:5px;background:#7dffb3;border-radius:50%;}
.dh-messages{padding:16px;min-height:260px;max-height:320px;overflow-y:auto;background:#0d1f12;display:flex;flex-direction:column;gap:14px;}
.msg-row{display:flex;gap:10px;align-items:flex-start;}
.msg-row.user{flex-direction:row-reverse;}
.msg-av{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0;}
.msg-av.bot{background:linear-gradient(135deg,#0f4a28,#2d8a52);}
.msg-av.usr{background:rgba(255,255,255,0.1);}
.msg-bubble{max-width:75%;padding:10px 14px;border-radius:12px;font-size:13.5px;line-height:1.65;}
.msg-bubble.bot{background:rgba(255,255,255,0.07);color:rgba(255,255,255,0.88);border-top-left-radius:3px;}
.msg-bubble.usr{background:linear-gradient(135deg,#1a6b3c,#2d8a52);color:#fff;border-top-right-radius:3px;}
.typing-dots{display:flex;gap:4px;padding:10px 14px;background:rgba(255,255,255,0.07);border-radius:12px;border-top-left-radius:3px;width:fit-content;}
.typing-dot{width:6px;height:6px;background:#4caf7d;border-radius:50%;animation:tdot 1.2s infinite;}
.typing-dot:nth-child(2){animation-delay:.2s;}
.typing-dot:nth-child(3){animation-delay:.4s;}
@keyframes tdot{0%,60%,100%{transform:translateY(0);opacity:.4;}30%{transform:translateY(-5px);opacity:1;}}
.dh-quick-qs{padding:12px 16px;border-top:1px solid rgba(255,255,255,0.06);background:rgba(0,0,0,0.2);}
.dh-quick-qs-label{font-size:11.5px;color:rgba(255,255,255,0.4);margin-bottom:8px;}
.dh-quick-qs-list{display:flex;flex-wrap:wrap;gap:6px;}
.dh-q-btn{padding:5px 12px;background:rgba(76,175,125,0.1);color:rgba(255,255,255,0.7);border-radius:20px;font-size:12px;cursor:pointer;transition:var(--transition);border:1px solid rgba(76,175,125,0.2);}
.dh-q-btn:hover{background:rgba(76,175,125,0.2);color:#7dffb3;}
.dh-input-row{padding:12px 14px;border-top:1px solid rgba(255,255,255,0.06);display:flex;gap:8px;background:rgba(0,0,0,0.15);}
.dh-input-row textarea{flex:1;background:rgba(255,255,255,0.06);border:1px solid rgba(255,255,255,0.1);border-radius:8px;padding:9px 13px;font-size:13.5px;font-family:inherit;color:#fff;outline:none;resize:none;min-height:40px;max-height:100px;line-height:1.5;}
.dh-input-row textarea::placeholder{color:rgba(255,255,255,0.3);}
.dh-input-row textarea:focus{border-color:rgba(76,175,125,0.4);}
.dh-send{width:40px;height:40px;background:linear-gradient(135deg,#1a6b3c,#2d8a52);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:17px;cursor:pointer;flex-shrink:0;transition:var(--transition);}
.dh-send:hover{background:linear-gradient(135deg,#0f4a28,#1a6b3c);}
.dh-disclaimer{font-size:11.5px;color:rgba(255,255,255,0.3);text-align:center;padding:8px 14px 12px;background:rgba(0,0,0,0.15);}

/* ---- 活动页 ---- */
.act-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.act-card{border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition);}
.act-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:var(--accent);}
.act-card-header{height:130px;display:flex;align-items:center;justify-content:center;font-size:48px;position:relative;}
.act-type-badge{position:absolute;top:12px;left:12px;background:rgba(255,255,255,0.9);color:var(--primary);font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;}
.act-status-badge{position:absolute;top:12px;right:12px;font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;}
.status-open{background:#e8f5ee;color:var(--primary);}
.status-soon{background:#fff3e0;color:#e65100;}
.act-card-body{padding:20px;}
.act-card-body h3{font-size:15.5px;font-weight:700;color:var(--text-dark);margin-bottom:8px;line-height:1.4;}
.act-card-body p{font-size:13px;color:var(--text-muted);line-height:1.7;margin-bottom:12px;}
.act-meta{font-size:12.5px;color:var(--text-muted);display:flex;flex-direction:column;gap:5px;padding:12px;background:var(--bg-light);border-radius:var(--radius);margin-bottom:14px;}
.act-meta span{display:flex;align-items:center;gap:6px;}
.act-card-footer{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--border);}
.activity-link{color:var(--primary);font-size:13px;font-weight:600;}
.activity-link:hover{text-decoration:underline;}

/* ---- 产品页 ---- */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.prod-card{border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition);}
.prod-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px);border-color:var(--accent);}
.prod-card-img{height:130px;display:flex;align-items:center;justify-content:center;font-size:48px;position:relative;}
.prod-cat-badge{position:absolute;top:10px;left:10px;background:rgba(255,255,255,0.9);color:var(--primary);font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;}
.prod-card-body{padding:18px;}
.prod-card-body h3{font-size:14.5px;font-weight:700;color:var(--text-dark);margin-bottom:7px;}
.prod-card-body p{font-size:13px;color:var(--text-muted);line-height:1.7;margin-bottom:12px;}
.prod-tags{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:12px;}
.prod-tag-item{background:var(--accent-light);color:var(--primary);font-size:11px;font-weight:600;padding:2px 9px;border-radius:20px;}
.prod-card-footer{display:flex;align-items:center;justify-content:space-between;padding-top:12px;border-top:1px solid var(--border);font-size:12.5px;}
.prod-company{color:var(--text-muted);}
.prod-link{color:var(--primary);font-weight:600;}
.prod-link:hover{text-decoration:underline;}

/* ---- 关于我们 ---- */
.timeline{position:relative;padding-left:28px;}
.timeline::before{content:'';position:absolute;left:7px;top:0;bottom:0;width:2px;background:linear-gradient(to bottom,var(--primary),var(--accent));}
.timeline-item{position:relative;margin-bottom:28px;}
.timeline-item::before{content:'';position:absolute;left:-25px;top:5px;width:10px;height:10px;background:var(--primary);border-radius:50%;border:2px solid #fff;box-shadow:0 0 0 2px var(--accent-light);}
.timeline-year{font-size:11.5px;font-weight:700;color:var(--primary);letter-spacing:.5px;margin-bottom:4px;}
.timeline-title{font-size:15px;font-weight:700;color:var(--text-dark);margin-bottom:4px;}
.timeline-desc{font-size:13.5px;color:var(--text-muted);line-height:1.7;}

/* ---- 加入我们 ---- */
.membership-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-bottom:48px;}
.membership-card{border:2px solid var(--border);border-radius:var(--radius-lg);padding:30px 24px;text-align:center;transition:var(--transition);position:relative;overflow:hidden;}
.membership-card.featured{border-color:var(--primary);box-shadow:var(--shadow-md);}
.membership-card.featured::before{content:'推荐';position:absolute;top:14px;right:-22px;background:var(--primary);color:#fff;font-size:11px;font-weight:700;padding:3px 28px;transform:rotate(45deg);}
.membership-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-3px);}
.membership-icon{font-size:40px;margin-bottom:12px;}
.membership-card h3{font-size:18px;font-weight:800;color:var(--text-dark);margin-bottom:6px;}
.membership-card .price{font-size:13px;color:var(--text-muted);margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--border);}
.membership-benefits{text-align:left;margin-bottom:20px;}
.benefit-item{display:flex;align-items:flex-start;gap:7px;font-size:13px;color:var(--text-body);margin-bottom:8px;}
.benefit-item::before{content:'✓';color:var(--primary);font-weight:700;flex-shrink:0;}
.process-steps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;position:relative;margin-bottom:48px;}
.process-steps::before{content:'';position:absolute;top:26px;left:10%;right:10%;height:2px;background:var(--border);z-index:0;}
.step-item{text-align:center;position:relative;z-index:1;}
.step-num{width:52px;height:52px;background:#fff;border:2px solid var(--border);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:18px;margin:0 auto 10px;transition:var(--transition);}
.step-item.active .step-num{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 12px rgba(26,107,60,0.3);}
.step-title{font-size:12.5px;font-weight:700;color:var(--text-dark);margin-bottom:3px;}
.step-desc{font-size:11.5px;color:var(--text-muted);line-height:1.5;}
.apply-form{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-sm);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-group{margin-bottom:0;}
.form-group.full{grid-column:1/-1;}
.form-label{display:block;font-size:13.5px;font-weight:600;color:var(--text-dark);margin-bottom:7px;}
.form-label .required{color:#e53935;margin-left:2px;}
.form-input,.form-select,.form-textarea{width:100%;padding:11px 14px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:13.5px;font-family:inherit;color:var(--text-body);background:#fff;transition:var(--transition);outline:none;}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,107,60,0.07);}
.form-textarea{resize:vertical;min-height:90px;}
.form-submit{background:var(--primary);color:#fff;padding:13px 36px;border-radius:var(--radius);font-size:15px;font-weight:700;cursor:pointer;transition:var(--transition);border:none;display:inline-flex;align-items:center;gap:7px;}
.form-submit:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:0 6px 18px rgba(26,107,60,0.28);}

/* ---- 联系我们 ---- */
.contact-layout{display:grid;grid-template-columns:1fr 1.3fr;gap:40px;align-items:start;}
.contact-info-card{background:linear-gradient(135deg,var(--primary-dark),var(--primary));border-radius:var(--radius-lg);padding:36px;color:#fff;}
.contact-info-card h3{font-size:20px;font-weight:800;margin-bottom:6px;}
.contact-info-card .sub{font-size:13.5px;color:rgba(255,255,255,0.65);margin-bottom:28px;}
.contact-item{display:flex;gap:14px;margin-bottom:20px;align-items:flex-start;}
.contact-item-icon{width:40px;height:40px;background:rgba(255,255,255,0.1);border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;}
.contact-item-text h4{font-size:12px;font-weight:700;color:rgba(255,255,255,0.65);margin-bottom:3px;text-transform:uppercase;letter-spacing:.5px;}
.contact-item-text p{font-size:14px;color:#fff;line-height:1.6;}
.contact-item-text a{color:#7dffb3;}
.contact-divider{border:none;border-top:1px solid rgba(255,255,255,0.12);margin:22px 0;}
.social-links{display:flex;gap:10px;}
.social-link{width:36px;height:36px;background:rgba(255,255,255,0.1);border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:16px;cursor:pointer;transition:var(--transition);}
.social-link:hover{background:rgba(255,255,255,0.22);}
.contact-form-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px;box-shadow:var(--shadow-sm);}
.contact-form-card h3{font-size:18px;font-weight:800;color:var(--text-dark);margin-bottom:5px;}
.contact-form-card .sub{font-size:13.5px;color:var(--text-muted);margin-bottom:24px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px;}
.form-group-c{margin-bottom:14px;}
.form-label-c{display:block;font-size:13px;font-weight:600;color:var(--text-dark);margin-bottom:6px;}
.form-label-c .req{color:#e53935;}
.form-ctrl{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:13.5px;font-family:inherit;color:var(--text-body);outline:none;transition:var(--transition);}
.form-ctrl:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,107,60,0.07);}
textarea.form-ctrl{resize:vertical;min-height:110px;}
.form-submit-c{background:var(--primary);color:#fff;padding:12px 32px;border-radius:var(--radius);font-size:14.5px;font-weight:700;cursor:pointer;border:none;transition:var(--transition);display:inline-flex;align-items:center;gap:7px;}
.form-submit-c:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:0 5px 16px rgba(26,107,60,0.28);}

/* ---- 页脚 ---- */
.footer{background:var(--primary-dark);color:rgba(255,255,255,0.75);padding:48px 0 0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:20px;margin-bottom:32px;}
.footer-brand .logo{display:flex;align-items:center;gap:8px;margin-bottom:10px;}
.footer-brand .logo-text{font-size:13px;font-weight:700;color:#fff;}
.footer-brand p{font-size:12.5px;line-height:1.7;color:rgba(255,255,255,0.6);max-width:240px;}
.footer-col h4{font-size:13px;font-weight:700;color:#fff;margin-bottom:10px;}
.footer-col ul li{margin-bottom:6px;}
.footer-col ul li a{font-size:12.5px;color:rgba(255,255,255,0.6);transition:var(--transition);}
.footer-col ul li a:hover{color:#7dffb3;}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding:18px 0;display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:rgba(255,255,255,0.45);}
.footer-bottom a{color:rgba(255,255,255,0.45);}
.footer-bottom a:hover{color:rgba(255,255,255,0.7);}

/* ---- 响应式 ---- */
@media(max-width:1024px){
  .quick-nav-grid{grid-template-columns:repeat(3,1fr);}
  .prod-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:768px){
  .navbar-nav{display:none;}
  .navbar-toggle{display:flex;}
  .navbar-nav.open{display:flex;flex-direction:column;position:absolute;top:68px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);padding:12px;box-shadow:var(--shadow-md);}
  .hero h1{font-size:28px;}
  .quick-nav-grid{grid-template-columns:repeat(2,1fr);}
  .news-home-grid{grid-template-columns:1fr;}
  .about-layout{grid-template-columns:1fr;}
  .about-badge-card{position:static;margin-top:16px;display:inline-block;}
  .dh-hero-inner{grid-template-columns:1fr;}
  .dh-original-inner{grid-template-columns:1fr;}
  .act-grid{grid-template-columns:1fr;}
  .prod-grid{grid-template-columns:1fr;}
  .membership-grid{grid-template-columns:1fr;}
  .process-steps{grid-template-columns:1fr;gap:14px;}
  .process-steps::before{display:none;}
  .form-grid{grid-template-columns:1fr;}
  .apply-form{padding:24px;}
  .contact-layout{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .contact-form-card{padding:24px;}
  .news-page-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:480px){
  .hero h1{font-size:24px;}
  .quick-nav-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;}
}

.about-feature-icon { font-size: 0; }
.membership-icon { font-size: 24px; font-weight: 900; color: var(--primary); }
.contact-item-icon { font-size: 0; }
.contact-item-icon::before { content: ''; display: block; width: 10px; height: 10px; background: rgba(255,255,255,0.5); border-radius: 50%; }