:root{
  --orange:#ff5a1f;
  --orange-2:#ff7a33;
  --orange-3:#ffb347;
  --ink:#1a1614;
  --ink-2:#3d3531;
  --muted:#7a706b;
  --bg:#fffaf6;
  --bg-2:#fff3ea;
  --line:#f0e0d4;
  --white:#fff;
  --radius:18px;
  --shadow:0 10px 30px rgba(255,90,31,.08);
  --shadow-hover:0 16px 40px rgba(255,90,31,.18);
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--bg);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none;}
img{max-width:100%;height:auto;display:block;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
section{scroll-margin-top:80px;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,250,246,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:70px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.5px;}
.brand .ai-page-logo{max-height:38px;width:auto;}
.brand-text{background:linear-gradient(90deg,var(--orange),var(--orange-3));-webkit-background-clip:text;background-clip:text;color:transparent;}
.nav-links{display:flex;align-items:center;gap:0;list-style:none;}
.nav-links li a{
  display:block;padding:8px 12px;font-size:14px;color:var(--ink-2);font-weight:500;
  border-radius:8px;transition:.2s;white-space:nowrap;
}
.nav-links li a:hover{color:var(--orange);background:var(--bg-2);}
.nav-cta{display:flex;align-items:center;gap:10px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;border:none;cursor:pointer;transition:.25s;border-radius:999px;
  font-family:inherit;line-height:1;
}
.btn-primary{
  background:linear-gradient(135deg,var(--orange),var(--orange-2));
  color:#fff;padding:13px 26px;font-size:15px;
  box-shadow:0 8px 20px rgba(255,90,31,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(255,90,31,.45);}
.btn-ghost{
  background:#fff;color:var(--orange);border:1.5px solid var(--orange);
  padding:11px 22px;font-size:14px;
}
.btn-ghost:hover{background:var(--orange);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 18px;font-size:13px;}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;}
.nav-toggle span{display:block;width:24px;height:2.5px;background:var(--ink);margin:5px 0;border-radius:2px;transition:.3s;}

/* ===== Hero 首屏（无图片） ===== */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(160deg,#1c1410 0%,#2a1a10 45%,#3a2110 100%);
  color:#fff;padding:88px 0 96px;
}
.hero::before{
  content:"";position:absolute;width:640px;height:640px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,31,.42),transparent 68%);
  top:-220px;right:-160px;filter:blur(8px);
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,179,71,.22),transparent 70%);
  bottom:-240px;left:-140px;
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,90,31,.15);border:1px solid rgba(255,122,51,.45);
  color:#ffcf9e;padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:22px;
}
.hero-badge i{width:8px;height:8px;border-radius:50%;background:var(--orange-3);display:block;box-shadow:0 0 10px var(--orange-3);}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);line-height:1.2;font-weight:900;letter-spacing:.5px;margin-bottom:20px;
}
.hero h1 .grad{background:linear-gradient(90deg,var(--orange-2),var(--orange-3));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero p.lead{font-size:16px;color:#d9c9be;max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px;}
.hero-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;max-width:600px;}
.hero-metric{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:14px;}
.hero-metric b{display:block;font-size:22px;color:var(--orange-3);line-height:1.2;font-weight:900;}
.hero-metric span{font-size:12px;color:#c3b3a7;}

/* Hero 右侧装饰（纯CSS几何） */
.hero-visual{position:relative;height:380px;}
.orb{
  position:absolute;border-radius:50%;
  background:conic-gradient(from 0deg,var(--orange),var(--orange-3),var(--orange-2),var(--orange));
  opacity:.9;filter:blur(1px);animation:spin 18s linear infinite;
}
.orb.o1{width:230px;height:230px;top:30px;right:30px;}
.orb.o2{width:120px;height:120px;bottom:40px;left:10px;opacity:.55;animation-duration:12s;}
.orb.o3{width:70px;height:70px;top:20px;left:60px;opacity:.4;animation-duration:9s;}
@keyframes spin{to{transform:rotate(360deg);}}
.ring{
  position:absolute;inset:60px 40px;border:1.5px dashed rgba(255,179,71,.4);border-radius:50%;
  animation:spin 40s linear infinite reverse;
}
.hero-card-float{
  position:absolute;background:rgba(255,255,255,.95);color:var(--ink);
  border-radius:14px;padding:12px 16px;font-size:13px;font-weight:700;
  box-shadow:0 14px 34px rgba(0,0,0,.28);
}
.hc1{top:8px;right:0;animation:float1 5s ease-in-out infinite;}
.hc2{bottom:20px;right:40px;animation:float1 6s ease-in-out infinite .6s;}
.hc3{top:150px;left:-18px;animation:float1 7s ease-in-out infinite .3s;}
.hc1 b,.hc2 b,.hc3 b{color:var(--orange);}
@keyframes float1{0%,100%{transform:translateY(0);}50%{transform:translateY(-12px);}}

/* ===== 通用区块 ===== */
.section{padding:84px 0;}
.section-alt{background:var(--bg-2);}
.section-dark{background:#1c1410;color:#fff;}
.sec-head{max-width:760px;margin:0 auto 52px;text-align:center;}
.sec-tag{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:2px;
  color:var(--orange);background:rgba(255,90,31,.1);padding:6px 16px;border-radius:999px;margin-bottom:16px;
}
.section-dark .sec-tag{background:rgba(255,90,31,.2);color:var(--orange-3);}
.sec-head h2{font-size:clamp(24px,3.2vw,36px);font-weight:900;line-height:1.3;margin-bottom:16px;}
.sec-head p{color:var(--muted);font-size:15px;}
.section-dark .sec-head p{color:#c3b3a7;}

/* 渐入动画 */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}

/* ===== 关于我们 / 平台介绍 ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;}
.about-text h2{font-size:clamp(24px,3vw,34px);font-weight:900;margin-bottom:18px;line-height:1.3;}
.about-text p{color:var(--ink-2);margin-bottom:16px;font-size:15px;}
.about-list{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:24px;}
.about-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--ink-2);font-weight:500;}
.about-list li::before{
  content:"✓";flex:0 0 20px;height:20px;background:var(--orange);color:#fff;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;margin-top:2px;
}
.about-visual{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.about-visual img{border-radius:var(--radius);box-shadow:var(--shadow);width:100%;object-fit:cover;transition:.4s;}
.about-visual img:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.about-visual .single{grid-column:1/-1;}

/* ===== 数据指标卡片 ===== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 22px;text-align:center;transition:.3s;box-shadow:var(--shadow);
}
.stat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--orange-3);}
.stat-card b{display:block;font-size:38px;font-weight:900;background:linear-gradient(135deg,var(--orange),var(--orange-3));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1;}
.stat-card span{font-size:14px;color:var(--muted);margin-top:8px;display:block;}

/* ===== 服务能力卡片 ===== */
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.svc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;transition:.3s;box-shadow:var(--shadow);position:relative;overflow:hidden;
}
.svc-card::before{
  content:"";position:absolute;top:0;left:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--orange),var(--orange-3));transform:scaleX(0);transform-origin:left;transition:.4s;
}
.svc-card:hover::before{transform:scaleX(1);}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.svc-icon{
  width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--orange),var(--orange-2));color:#fff;font-size:22px;font-weight:900;margin-bottom:18px;
}
.svc-card h3{font-size:17px;font-weight:800;margin-bottom:10px;}
.svc-card p{font-size:13.5px;color:var(--muted);line-height:1.65;}

/* ===== 一站式制作 / 主打场景 标签云 ===== */
.scene-tags{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:1000px;margin:0 auto;}
.scene-tag{
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 20px;
  font-size:14px;font-weight:600;color:var(--ink-2);transition:.25s;cursor:default;box-shadow:0 2px 8px rgba(255,90,31,.05);
}
.scene-tag:hover{background:linear-gradient(135deg,var(--orange),var(--orange-2));color:#fff;border-color:transparent;transform:translateY(-3px);box-shadow:0 8px 20px rgba(255,90,31,.3);}

/* 一站式制作 特色场景三卡 */
.feature-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px;}
.feature-card{
  border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow);transition:.35s;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.feature-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:.5s;}
.feature-card:hover img{transform:scale(1.05);}
.feature-body{padding:22px;}
.feature-body h3{font-size:17px;font-weight:800;margin-bottom:8px;}
.feature-body p{font-size:13.5px;color:var(--muted);}

/* 模型支持 */
.models-wall{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:8px;}
.model-chip{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#f0e2d8;
  padding:8px 16px;border-radius:10px;font-size:13px;font-weight:600;transition:.25s;
}
.model-chip:hover{background:var(--orange);border-color:var(--orange);color:#fff;transform:translateY(-3px);}

/* ===== 行业方案 & 服务网络 ===== */
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.solution-item{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:.3s;box-shadow:var(--shadow);
}
.solution-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:var(--orange-3);}
.solution-num{
  flex:0 0 44px;height:44px;border-radius:12px;background:var(--bg-2);
  color:var(--orange);font-weight:900;font-size:18px;display:flex;align-items:center;justify-content:center;
}
.solution-item h3{font-size:16px;font-weight:800;margin-bottom:6px;}
.solution-item p{font-size:13.5px;color:var(--muted);}

.network-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;}
.network-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.network-chip{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;
  padding:16px 18px;font-size:14px;font-weight:600;transition:.25s;
}
.network-chip:hover{background:rgba(255,90,31,.2);border-color:var(--orange);transform:translateX(4px);}
.network-chip b{color:var(--orange-3);}

/* ===== 标准流程 时间线 ===== */
.timeline{position:relative;max-width:900px;margin:0 auto;}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;
  background:linear-gradient(var(--orange),var(--orange-3));transform:translateX(-50%);
}
.tl-item{position:relative;width:50%;padding:0 40px 44px;box-sizing:border-box;}
.tl-item:nth-child(odd){left:0;text-align:right;}
.tl-item:nth-child(even){left:50%;text-align:left;}
.tl-dot{
  position:absolute;top:6px;width:18px;height:18px;border-radius:50%;
  background:#fff;border:4px solid var(--orange);box-shadow:0 0 0 4px rgba(255,90,31,.15);
}
.tl-item:nth-child(odd) .tl-dot{right:-9px;}
.tl-item:nth-child(even) .tl-dot{left:-9px;}
.tl-item h3{font-size:17px;font-weight:800;margin-bottom:8px;color:var(--orange);}
.tl-item p{font-size:14px;color:var(--muted);}

/* ===== 案例中心 ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.case-card{
  border-radius:var(--radius);overflow:hidden;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow);transition:.35s;
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);}
.case-card img{width:100%;aspect-ratio:16/11;object-fit:cover;transition:.5s;}
.case-card:hover img{transform:scale(1.06);}
.case-body{padding:20px 22px;}
.case-body span{font-size:12px;color:var(--orange);font-weight:800;letter-spacing:1px;}
.case-body h3{font-size:16px;font-weight:800;margin:6px 0 8px;}
.case-body p{font-size:13.5px;color:var(--muted);}

/* ===== 对比评测 ===== */
.rating-hero{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:36px;
  background:linear-gradient(135deg,#fff5ec,#ffe8d6);border:1px solid var(--line);
  border-radius:22px;padding:34px;margin-bottom:36px;text-align:center;
}
.rating-score{display:flex;flex-direction:column;align-items:center;}
.rating-score b{font-size:56px;font-weight:900;line-height:1;background:linear-gradient(135deg,var(--orange),var(--orange-3));-webkit-background-clip:text;background-clip:text;color:transparent;}
.rating-score .max{font-size:14px;color:var(--muted);margin-top:6px;}
.rating-stars{font-size:26px;color:var(--orange);letter-spacing:4px;}
.rating-desc{max-width:420px;text-align:left;font-size:14.5px;color:var(--ink-2);}
.rating-desc b{color:var(--orange);}
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;}
table.compare{width:100%;border-collapse:collapse;min-width:720px;font-size:14px;}
table.compare th,table.compare td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);}
table.compare thead th{background:linear-gradient(135deg,var(--orange),var(--orange-2));color:#fff;font-weight:800;font-size:14.5px;}
table.compare thead th:first-child{border-top-left-radius:0;}
table.compare tbody tr:nth-child(even){background:var(--bg);}
table.compare tbody tr:hover{background:var(--bg-2);}
table.compare td:first-child{font-weight:700;color:var(--ink);}
table.compare .win{color:var(--orange);font-weight:800;}
.badge-good{display:inline-block;background:rgba(255,90,31,.12);color:var(--orange);font-size:12px;font-weight:800;padding:3px 10px;border-radius:999px;}

/* ===== 需求匹配 / 表单 ===== */
.form-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start;}
.form-info h2{font-size:clamp(24px,3vw,32px);font-weight:900;margin-bottom:16px;line-height:1.3;}
.form-info p{color:var(--ink-2);font-size:15px;margin-bottom:20px;}
.contact-list{list-style:none;display:flex;flex-direction:column;gap:14px;}
.contact-list li{display:flex;gap:12px;font-size:14px;align-items:flex-start;color:var(--ink-2);}
.contact-list .ci{flex:0 0 34px;height:34px;border-radius:10px;background:var(--bg-2);color:var(--orange);display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;}
.contact-list b{color:var(--ink);}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:var(--shadow);
}
.form-card h3{font-size:20px;font-weight:900;margin-bottom:6px;}
.form-card .sub{font-size:13.5px;color:var(--muted);margin-bottom:24px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:16px;}
.field{display:flex;flex-direction:column;gap:7px;}
.field.full{grid-column:1/-1;}
.field label{font-size:13px;font-weight:700;color:var(--ink-2);}
.field label .req{color:var(--orange);}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;
  font-size:14px;font-family:inherit;background:var(--bg);color:var(--ink);transition:.2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--orange);background:#fff;box-shadow:0 0 0 4px rgba(255,90,31,.1);
}
.field textarea{resize:vertical;min-height:110px;}
.form-card .btn-primary{width:100%;margin-top:6px;padding:15px;}
.form-note{font-size:12px;color:var(--muted);margin-top:14px;text-align:center;}

/* ===== Token 比价 ===== */
.token-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:32px;}
.token-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;transition:.3s;box-shadow:var(--shadow);
}
.token-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:var(--orange-3);}
.token-card .model{font-size:15px;font-weight:800;margin-bottom:4px;}
.token-card .official{font-size:12.5px;color:var(--muted);text-decoration:line-through;}
.token-card .ours{font-size:22px;font-weight:900;color:var(--orange);margin:6px 0;}
.token-card .save{display:inline-block;font-size:12px;font-weight:800;color:#fff;background:linear-gradient(135deg,var(--orange),var(--orange-2));padding:3px 10px;border-radius:999px;}
.token-total{
  background:linear-gradient(135deg,#1c1410,#3a2110);color:#fff;border-radius:20px;padding:28px 34px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.token-total h3{font-size:20px;font-weight:900;}
.token-total p{font-size:14px;color:#c3b3a7;}
.token-total .big{font-size:34px;color:var(--orange-3);font-weight:900;}

/* ===== 用户评论 ===== */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.3s;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
}
.review-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover);border-color:var(--orange-3);}
.review-stars{color:var(--orange);font-size:16px;letter-spacing:2px;margin-bottom:14px;}
.review-card blockquote{font-size:14px;color:var(--ink-2);flex:1;margin-bottom:20px;line-height:1.75;}
.review-user{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:16px;}
.avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--orange),var(--orange-3));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;}
.review-user b{display:block;font-size:14px;}
.review-user span{font-size:12px;color:var(--muted);}

/* ===== FAQ 折叠 ===== */
.faq-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.3s;}
.faq-item.open{border-color:var(--orange-3);box-shadow:var(--shadow);}
.faq-q{
  width:100%;background:none;border:none;cursor:pointer;font-family:inherit;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:15px;font-weight:700;color:var(--ink);transition:.2s;
}
.faq-q:hover{color:var(--orange);}
.faq-icon{
  flex:0 0 26px;height:26px;border-radius:50%;background:var(--bg-2);color:var(--orange);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;transition:.3s;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--orange);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 24px 22px;font-size:14px;color:var(--muted);}

/* ===== AI百科 标签云 & 文章 ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:44px;}
.tag-cloud .chip{
  background:#fff;border:1px solid var(--line);border-radius:8px;padding:7px 15px;font-size:13px;color:var(--ink-2);transition:.2s;
}
.tag-cloud .chip:hover{background:var(--orange);color:#fff;border-color:var(--orange);transform:translateY(-2px);}
.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.article-item{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;
  transition:.25s;box-shadow:var(--shadow);align-items:center;
}
.article-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--orange-3);}
.article-item .num{flex:0 0 38px;height:38px;border-radius:10px;background:var(--bg-2);color:var(--orange);display:flex;align-items:center;justify-content:center;font-weight:900;font-size:15px;}
.article-item h3{font-size:14.5px;font-weight:700;margin-bottom:3px;}
.article-item span{font-size:12px;color:var(--muted);}

/* ===== 加盟代理 ===== */
.join-wrap{
  background:linear-gradient(140deg,#1c1410,#3a2110);color:#fff;border-radius:26px;padding:56px 48px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;position:relative;overflow:hidden;
}
.join-wrap::after{content:"";position:absolute;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(255,90,31,.28),transparent 70%);right:-120px;top:-120px;}
.join-wrap>*{position:relative;z-index:1;}
.join-wrap h2{font-size:clamp(24px,3vw,34px);font-weight:900;margin-bottom:16px;line-height:1.3;}
.join-wrap p{color:#d9c9be;font-size:15px;margin-bottom:22px;}
.join-benefits{display:grid;grid-template-columns:1fr 1fr;gap:12px;list-style:none;margin-bottom:8px;}
.join-benefits li{font-size:14px;color:#f0e2d8;display:flex;gap:8px;align-items:flex-start;}
.join-benefits li::before{content:"◆";color:var(--orange-3);font-size:12px;margin-top:3px;}
.join-box{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:30px;text-align:center;}
.join-box b{display:block;font-size:40px;font-weight:900;color:var(--orange-3);line-height:1.1;}
.join-box span{font-size:13px;color:#c3b3a7;}

/* ===== 友情链接 / 页脚 ===== */
.footer{background:#150f0b;color:#a89a90;padding:64px 0 30px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:44px;}
.footer h4{color:#fff;font-size:15px;font-weight:800;margin-bottom:18px;}
.footer .brand{color:#fff;margin-bottom:16px;}
.footer p{font-size:13px;line-height:1.8;margin-bottom:14px;}
.footer ul{list-style:none;display:flex;flex-direction:column;gap:10px;}
.footer ul li a{font-size:13px;color:#a89a90;transition:.2s;}
.footer ul li a:hover{color:var(--orange-3);padding-left:4px;}
.footer .qr{width:120px;height:120px;border-radius:12px;overflow:hidden;background:#fff;padding:6px;margin-bottom:10px;}
.footer .qr img{width:100%;height:100%;object-fit:contain;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding-top:24px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;font-size:12.5px;color:#8a7d74;}
.friend-links{display:flex;flex-wrap:wrap;gap:10px 18px;margin-bottom:30px;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.08);}
.friend-links a{font-size:13px;color:#a89a90;transition:.2s;}
.friend-links a:hover{color:var(--orange-3);}

/* ===== 浮动客服 & 返回顶部 ===== */
.float-tools{position:fixed;right:22px;bottom:26px;z-index:900;display:flex;flex-direction:column;gap:12px;}
.float-btn{
  width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;
  box-shadow:0 8px 22px rgba(255,90,31,.35);transition:.25s;position:relative;
}
.float-btn.kefu{background:linear-gradient(135deg,var(--orange),var(--orange-2));}
.float-btn.top{background:#2a1a10;opacity:0;visibility:hidden;transform:translateY(10px);}
.float-btn.top.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-btn:hover{transform:translateY(-3px) scale(1.05);}
.kefu-pop{
  position:absolute;right:64px;top:50%;transform:translateY(-50%) scale(.9);transform-origin:right center;
  background:#fff;border-radius:14px;padding:14px;box-shadow:0 14px 34px rgba(0,0,0,.18);
  opacity:0;visibility:hidden;transition:.25s;width:170px;text-align:center;
}
.float-btn.kefu:hover .kefu-pop,.float-btn.kefu:focus .kefu-pop{opacity:1;visibility:visible;transform:translateY(-50%) scale(1);}
.kefu-pop img{width:100%;border-radius:8px;}
.kefu-pop span{display:block;font-size:12px;color:var(--ink-2);margin-top:6px;font-weight:700;}

/* ===== 响应式 ===== */
@media(max-width:1024px){
  .nav-links{display:none;position:absolute;top:70px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:12px 24px;box-shadow:0 12px 30px rgba(0,0,0,.08);}
  .nav-links.open{display:flex;}
  .nav-links li{width:100%;}
  .nav-links li a{padding:12px 8px;border-radius:10px;}
  .nav-toggle{display:block;}
  .hero-grid,.about-grid,.network-wrap,.form-wrap,.join-wrap{grid-template-columns:1fr;gap:36px;}
  .hero-visual{display:none;}
  .cards-grid,.case-grid,.review-grid,.feature-3{grid-template-columns:repeat(2,1fr);}
  .stats-grid,.token-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media(max-width:720px){
  .section{padding:60px 0;}
  .hero{padding:60px 0 70px;}
  .hero-metrics{grid-template-columns:repeat(2,1fr);}
  .cards-grid,.case-grid,.review-grid,.feature-3,.solution-grid,.article-grid,.about-list{grid-template-columns:1fr;}
  .stats-grid,.token-grid{grid-template-columns:1fr 1fr;}
  .nav-cta .btn{padding:9px 14px;font-size:12px;}
  .form-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .join-benefits{grid-template-columns:1fr;}
  .join-wrap{padding:36px 24px;}
  .timeline::before{left:18px;}
  .tl-item{width:100%;left:0!important;text-align:left!important;padding:0 0 34px 48px;}
  .tl-item .tl-dot{left:10px!important;right:auto!important;}
  .form-card{padding:24px;}
  .rating-desc{text-align:center;}
  .float-tools{right:14px;bottom:18px;}
}