*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#fdfbf7;
  --bg-soft:#f6f1e8;
  --ink:#1f2320;
  --ink-soft:#4a524c;
  --line:#e6ded0;
  --brand:#1a7f5a;
  --brand-deep:#116046;
  --brand-soft:#e8f5ef;
  --accent:#e8833a;
  --accent-soft:#fdf0e3;
  --violet:#6c5ce7;
  --violet-soft:#efecfd;
  --card:#ffffff;
  --shadow:0 10px 30px rgba(30,45,38,.08);
  --shadow-sm:0 4px 14px rgba(30,45,38,.06);
  --radius:18px;
  --container:1180px;
}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);
  color:var(--ink);
  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}
ul{list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
section{padding:84px 0}
@media(max-width:768px){section{padding:56px 0}}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:200;
  background:rgba(253,251,247,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;
  display:flex;align-items:center;justify-content:space-between;
  gap:20px;min-height:70px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand .ai-page-logo{height:38px;width:auto;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:17px;color:var(--ink);letter-spacing:.5px}
.brand-text span{font-size:11px;color:var(--ink-soft);letter-spacing:2px;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:nowrap}
.nav-links a{
  padding:8px 13px;font-size:14px;color:var(--ink-soft);
  border-radius:9px;transition:color .25s,background .25s;
  white-space:nowrap;
}
.nav-links a:hover{color:var(--brand-deep);background:var(--brand-soft)}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 24px;border-radius:12px;font-size:14px;font-weight:600;
  border:none;cursor:pointer;transition:transform .25s,box-shadow .25s,background .25s;
  white-space:nowrap;font-family:inherit;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(26,127,90,.28)}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 10px 22px rgba(26,127,90,.34)}
.btn-ghost{background:transparent;color:var(--brand-deep);border:1.5px solid var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 16px rgba(232,131,58,.3)}
.btn-accent:hover{background:#d6742d;transform:translateY(-2px)}
.btn-sm{padding:9px 18px;font-size:13px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

@media(max-width:1080px){
  .nav-links{
    position:fixed;top:70px;left:0;right:0;
    background:var(--bg);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:12px 20px 20px;
    max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s;
    box-shadow:var(--shadow);
  }
  .nav-links.open{max-height:520px;overflow-y:auto}
  .nav-links a{padding:12px 8px;border-radius:8px;font-size:15px}
  .nav-toggle{display:flex}
  .nav-cta .btn-ghost{display:none}
}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  padding:88px 0 96px;
  background:
    radial-gradient(circle at 12% 18%,rgba(26,127,90,.10),transparent 42%),
    radial-gradient(circle at 88% 8%,rgba(232,131,58,.12),transparent 40%),
    radial-gradient(circle at 70% 82%,rgba(108,92,231,.10),transparent 44%),
    linear-gradient(180deg,#fdfbf7 0%,#f8f3ea 100%);
}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(26,127,90,.1);color:var(--brand-deep);
  font-size:13px;font-weight:600;letter-spacing:.3px;margin-bottom:22px;
  border:1px solid rgba(26,127,90,.18);
}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--brand);display:inline-block;animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}
.hero h1{
  font-size:clamp(30px,4.2vw,52px);
  line-height:1.22;letter-spacing:-.5px;font-weight:800;
  color:var(--ink);margin-bottom:22px;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--brand) 0%,var(--violet) 60%,var(--accent) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-desc{font-size:16.5px;color:var(--ink-soft);max-width:560px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-actions .btn{padding:14px 32px;font-size:15px}
.hero-meta{display:flex;flex-wrap:wrap;gap:24px 38px}
.hero-meta div{display:flex;flex-direction:column}
.hero-meta strong{font-size:26px;color:var(--brand-deep);font-weight:800;line-height:1.1}
.hero-meta span{font-size:13px;color:var(--ink-soft);margin-top:4px}

/* Hero 右侧：纯 CSS 视觉，无图片 */
.hero-visual{
  position:relative;
  background:linear-gradient(150deg,#ffffff 0%,#fbf7f0 100%);
  border:1px solid var(--line);border-radius:26px;
  padding:26px;box-shadow:var(--shadow);
  animation:floatY 6s ease-in-out infinite;
}
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
.hero-visual::before{
  content:"";position:absolute;inset:-2px;border-radius:28px;z-index:-1;
  background:linear-gradient(135deg,rgba(26,127,90,.35),rgba(108,92,231,.3),rgba(232,131,58,.35));
  filter:blur(16px);opacity:.5;
}
.hv-title{font-size:13px;color:var(--ink-soft);letter-spacing:1.5px;margin-bottom:16px;font-weight:600}
.hv-rows{display:flex;flex-direction:column;gap:11px}
.hv-row{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:12px;
  background:var(--bg-soft);border:1px solid var(--line);
  transition:transform .3s,background .3s;
}
.hv-row:hover{transform:translateX(4px);background:#fff}
.hv-dot{width:34px;height:34px;border-radius:10px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;color:#fff}
.d1{background:var(--brand)}
.d2{background:var(--accent)}
.d3{background:var(--violet)}
.d4{background:#2c9bbd}
.hv-row div:nth-child(2){flex:1;min-width:0}
.hv-row strong{display:block;font-size:13.5px;color:var(--ink);font-weight:600}
.hv-row small{font-size:11.5px;color:var(--ink-soft)}
.hv-tag{font-size:11px;padding:3px 9px;border-radius:999px;font-weight:600;background:var(--brand-soft);color:var(--brand-deep);white-space:nowrap}

@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{max-width:460px;margin:0 auto;width:100%}
  .hero{padding:56px 0 64px}
}

/* ===== 通用标题 ===== */
.sec-head{text-align:center;max-width:760px;margin:0 auto 52px}
.sec-tag{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:2px;
  color:var(--brand-deep);text-transform:uppercase;margin-bottom:14px;
  padding:5px 14px;border-radius:999px;background:var(--brand-soft);
}
.sec-head h2{font-size:clamp(24px,3vw,36px);font-weight:800;color:var(--ink);line-height:1.3;margin-bottom:14px;letter-spacing:-.3px}
.sec-head p{font-size:15.5px;color:var(--ink-soft)}

/* ===== 数据指标 ===== */
.stats-band{
  background:linear-gradient(120deg,#123f30 0%,#1a5c44 45%,#155a7a 100%);
  padding:58px 0;position:relative;overflow:hidden;
}
.stats-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,131,58,.35),transparent 70%);
}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;z-index:1}
.stat-item{text-align:center;color:#fff}
.stat-item strong{display:block;font-size:clamp(26px,3.4vw,40px);font-weight:800;line-height:1.15;letter-spacing:-.5px}
.stat-item span{font-size:13.5px;opacity:.82;margin-top:6px;display:block}
@media(max-width:760px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:26px 16px}}

/* ===== 关于我们 ===== */
.about-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
}
.about-text h2{font-size:clamp(24px,2.8vw,34px);font-weight:800;margin-bottom:18px;line-height:1.32;color:var(--ink)}
.about-text p{font-size:15.5px;color:var(--ink-soft);margin-bottom:16px}
.about-list{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:26px}
.about-item{
  display:flex;gap:11px;align-items:flex-start;
  padding:14px 15px;border-radius:14px;background:var(--card);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  transition:transform .3s,box-shadow .3s;
}
.about-item:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.about-item i{
  width:26px;height:26px;flex-shrink:0;border-radius:8px;
  background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;font-style:normal;
}
.about-item div strong{display:block;font-size:14px;color:var(--ink);margin-bottom:2px}
.about-item div small{font-size:12.5px;color:var(--ink-soft);line-height:1.5}
.about-media{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.about-media figure{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:var(--card);box-shadow:var(--shadow-sm);
  transition:transform .35s,box-shadow .35s;
}
.about-media figure:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.about-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.about-media figure:first-child{grid-column:1/-1}
.about-media figure:first-child img{aspect-ratio:16/9}
@media(max-width:860px){
  .about-wrap{grid-template-columns:1fr;gap:34px}
  .about-list{grid-template-columns:1fr}
}

/* ===== 服务能力卡片 ===== */
.bg-soft{background:var(--bg-soft);position:relative}
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .35s,box-shadow .35s,border-color .35s;
  position:relative;overflow:hidden;
}
.svc-card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--brand),var(--violet));transition:width .4s;
}
.svc-card:hover::before{width:100%}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(26,127,90,.3)}
.svc-icon{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;color:#fff;margin-bottom:16px;
}
.svc-card h3{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:9px}
.svc-card p{font-size:13.8px;color:var(--ink-soft);line-height:1.7}
@media(max-width:960px){.services-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.services-grid{grid-template-columns:1fr}}

/* ===== 模型标签云 ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:900px;margin:0 auto}
.tag-cloud span{
  padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:#fff;color:var(--brand-deep);border:1px solid var(--line);
  transition:transform .25s,background .25s,color .25s,border-color .25s;
  cursor:default;
}
.tag-cloud span:hover{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateY(-3px)}

/* ===== 流程步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow-sm);transition:transform .35s,box-shadow .35s;
}
.step:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.step-num{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand-deep));
  color:#fff;font-size:16px;font-weight:800;display:flex;align-items:center;justify-content:center;
  margin-bottom:16px;
}
.step h3{font-size:16px;font-weight:700;margin-bottom:8px;color:var(--ink)}
.step p{font-size:13.5px;color:var(--ink-soft)}
@media(max-width:960px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* ===== 行业方案 ===== */
.solutions{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sol-card{
  border-radius:var(--radius);overflow:hidden;background:var(--card);
  border:1px solid var(--line);box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;
  transition:transform .35s,box-shadow .35s;
}
.sol-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.sol-media{overflow:hidden;background:var(--bg-soft)}
.sol-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s}
.sol-card:hover .sol-media img{transform:scale(1.05)}
.sol-body{padding:22px 22px 24px;flex:1;display:flex;flex-direction:column}
.sol-body h3{font-size:17px;font-weight:700;margin-bottom:9px;color:var(--ink)}
.sol-body p{font-size:13.8px;color:var(--ink-soft);flex:1;margin-bottom:14px}
.sol-tags{display:flex;flex-wrap:wrap;gap:7px}
.sol-tags span{font-size:11.5px;padding:4px 10px;border-radius:999px;background:var(--accent-soft);color:#a5611f;font-weight:600}
@media(max-width:960px){.solutions{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.solutions{grid-template-columns:1fr}}

/* ===== 对比评测 ===== */
.compare-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:center}
.score-card{
  background:linear-gradient(145deg,#123f30,#1a5c44 60%,#155a7a);
  border-radius:24px;padding:38px 34px;color:#fff;box-shadow:var(--shadow);
  position:relative;overflow:hidden;text-align:center;
}
.score-card::after{
  content:"";position:absolute;left:-60px;bottom:-70px;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(232,131,58,.4),transparent 70%);
}
.score-card .stars{font-size:22px;letter-spacing:5px;color:#ffcc4d;margin-bottom:14px}
.score-card .big-score{font-size:64px;font-weight:800;line-height:1;letter-spacing:-2px}
.score-card .big-score small{font-size:22px;font-weight:600;opacity:.8;margin-left:4px}
.score-card .score-label{font-size:14px;opacity:.85;margin-top:12px}
.score-card .score-title{font-size:16px;font-weight:700;margin-bottom:6px;position:relative;z-index:1}
.score-card .stars,.score-card .big-score,.score-card .score-label{position:relative;z-index:1}
.compare-table-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm)}
.compare-table{width:100%;border-collapse:collapse;font-size:14px}
.compare-table th,.compare-table td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)}
.compare-table thead th{background:var(--brand-soft);color:var(--brand-deep);font-weight:700;font-size:13.5px}
.compare-table tbody tr:last-child td{border-bottom:none}
.compare-table tbody tr{transition:background .25s}
.compare-table tbody tr:hover{background:#fbf9f4}
.compare-table td:first-child{color:var(--ink);font-weight:600}
.tick{color:var(--brand);font-weight:800}
@media(max-width:900px){
  .compare-wrap{grid-template-columns:1fr;gap:30px}
  .compare-table-wrap{overflow-x:auto}
  .compare-table{min-width:520px}
}

/* ===== 案例展示 ===== */
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:var(--card);box-shadow:var(--shadow-sm);
  transition:transform .35s,box-shadow .35s;
}
.case-card:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.case-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.case-card figcaption{padding:18px 20px}
.case-card h3{font-size:15.5px;font-weight:700;margin-bottom:6px;color:var(--ink)}
.case-card p{font-size:13.2px;color:var(--ink-soft)}
@media(max-width:960px){.cases{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.cases{grid-template-columns:1fr}}

/* ===== 用户评论 ===== */
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:14px;
  transition:transform .35s,box-shadow .35s;
}
.review:hover{transform:translateY(-5px);box-shadow:var(--shadow)}
.review .stars{color:#f0a92d;font-size:14px;letter-spacing:2px}
.review p{font-size:14px;color:var(--ink-soft);flex:1;line-height:1.75}
.review-user{display:flex;align-items:center;gap:11px;pt:14px;border-top:1px solid var(--line);padding-top:14px}
.review-avatar{
  width:40px;height:40px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:15px;
}
.review-user strong{display:block;font-size:14px;color:var(--ink)}
.review-user span{font-size:12px;color:var(--ink-soft)}
@media(max-width:960px){.reviews{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.reviews{grid-template-columns:1fr}}

/* ===== Token 比价 ===== */
.price-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.price-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 22px;box-shadow:var(--shadow-sm);
  transition:transform .35s,box-shadow .35s,border-color .35s;
}
.price-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(26,127,90,.3)}
.price-card h3{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:12px}
.price-card .price{font-size:26px;font-weight:800;color:var(--brand-deep);line-height:1.1}
.price-card .price small{font-size:12.5px;font-weight:600;color:var(--ink-soft);margin-left:4px}
.price-card ul{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.price-card ul li{font-size:13px;color:var(--ink-soft);padding-left:16px;position:relative}
.price-card ul li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:50%;background:var(--brand)}
@media(max-width:960px){.price-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.price-grid{grid-template-columns:1fr}}

/* ===== 服务网络/时间线 ===== */
.timeline{position:relative;max-width:820px;margin:0 auto;padding-left:32px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--brand),var(--violet),var(--accent))}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:5px;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.tl-item h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:6px}
.tl-item p{font-size:14px;color:var(--ink-soft)}

/* ===== FAQ ===== */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  overflow:hidden;transition:border-color .3s,box-shadow .3s;
}
.faq-item.open{border-color:rgba(26,127,90,.35);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:none;cursor:pointer;
  font-size:15px;font-weight:600;color:var(--ink);text-align:left;font-family:inherit;
  transition:color .25s;
}
.faq-q:hover{color:var(--brand-deep)}
.faq-icon{
  width:26px;height:26px;flex-shrink:0;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
  transition:transform .3s,background .3s,color .3s;
}
.faq-item.open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 20px;font-size:14px;color:var(--ink-soft);line-height:1.8}

/* ===== 文章列表 ===== */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:10px;
  transition:transform .35s,box-shadow .35s,border-color .35s;
}
.article-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(108,92,231,.35)}
.article-card .cat{font-size:11.5px;font-weight:700;color:var(--violet);background:var(--violet-soft);padding:4px 11px;border-radius:999px;align-self:flex-start}
.article-card h3{font-size:16px;font-weight:700;color:var(--ink);line-height:1.45}
.article-card p{font-size:13.5px;color:var(--ink-soft);flex:1}
.article-card .more{font-size:13px;font-weight:600;color:var(--brand-deep)}
.article-card .more:hover{text-decoration:underline}
@media(max-width:960px){.article-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.article-grid{grid-template-columns:1fr}}

/* ===== 表单 ===== */
.form-wrap{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start;
}
.form-info h2{font-size:clamp(24px,2.8vw,33px);font-weight:800;color:var(--ink);margin-bottom:16px;line-height:1.32}
.form-info p{font-size:15px;color:var(--ink-soft);margin-bottom:24px}
.contact-lines{display:flex;flex-direction:column;gap:14px}
.contact-line{
  display:flex;align-items:center;gap:13px;padding:14px 16px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-sm);transition:transform .3s;
}
.contact-line:hover{transform:translateX(4px)}
.contact-line i{
  width:38px;height:38px;flex-shrink:0;border-radius:11px;
  background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-style:normal;font-weight:700;
}
.contact-line strong{display:block;font-size:14px;color:var(--ink)}
.contact-line span{font-size:12.5px;color:var(--ink-soft)}
.qr-box{
  margin-top:18px;padding:18px;background:#fff;border:1px solid var(--line);
  border-radius:16px;text-align:center;box-shadow:var(--shadow-sm);
}
.qr-box img{width:140px;height:140px;object-fit:contain;margin:0 auto 10px;border-radius:10px;border:1px solid var(--line)}
.qr-box span{font-size:13px;color:var(--ink-soft)}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:34px 30px;box-shadow:var(--shadow);
}
.form-card h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:6px}
.form-card .form-sub{font-size:13.5px;color:var(--ink-soft);margin-bottom:24px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-field{display:flex;flex-direction:column;gap:7px}
.form-field.full{grid-column:1/-1}
.form-field label{font-size:13px;font-weight:600;color:var(--ink)}
.form-field input,.form-field select,.form-field textarea{
  width:100%;padding:12px 14px;border-radius:11px;border:1px solid var(--line);
  font-size:14px;color:var(--ink);background:var(--bg);font-family:inherit;
  transition:border-color .25s,box-shadow .25s,background .25s;
}
.form-field textarea{min-height:110px;resize:vertical}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(26,127,90,.12);
}
.form-submit{margin-top:20px;width:100%;padding:14px;font-size:15px}
.form-note{font-size:12px;color:var(--ink-soft);margin-top:12px;text-align:center}
@media(max-width:900px){
  .form-wrap{grid-template-columns:1fr;gap:30px}
  .form-grid{grid-template-columns:1fr}
}

/* ===== 加盟代理 ===== */
.join-band{
  background:
    radial-gradient(circle at 15% 20%,rgba(232,131,58,.15),transparent 45%),
    radial-gradient(circle at 85% 80%,rgba(108,92,231,.18),transparent 45%),
    linear-gradient(120deg,#123f30,#155a7a);
  border-radius:26px;padding:52px 44px;color:#fff;
  display:grid;grid-template-columns:1.2fr .8fr;gap:38px;align-items:center;
  position:relative;overflow:hidden;
}
.join-band h2{font-size:clamp(23px,2.6vw,31px);font-weight:800;margin-bottom:14px;line-height:1.32}
.join-band p{font-size:14.8px;opacity:.88;margin-bottom:22px}
.join-points{display:flex;flex-direction:column;gap:11px}
.join-points div{display:flex;gap:10px;align-items:flex-start;font-size:14px;opacity:.92}
.join-points div::before{content:"✦";color:#ffcc4d;flex-shrink:0}
.join-actions{display:flex;flex-direction:column;gap:14px;justify-content:center}
.join-actions .btn{justify-content:center}
@media(max-width:800px){.join-band{grid-template-columns:1fr;padding:36px 26px;gap:26px}}

/* ===== 友情链接 & 尾部 ===== */
.friend-links{padding:52px 0;background:var(--bg-soft);border-top:1px solid var(--line)}
.friend-links .fl-title{text-align:center;font-size:15px;font-weight:700;color:var(--ink);margin-bottom:22px;letter-spacing:1px}
.fl-grid{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:900px;margin:0 auto}
.fl-grid a{
  font-size:13.5px;color:var(--ink-soft);padding:9px 18px;border-radius:10px;
  background:#fff;border:1px solid var(--line);
  transition:color .25s,border-color .25s,transform .25s,box-shadow .25s;
}
.fl-grid a:hover{color:var(--brand-deep);border-color:rgba(26,127,90,.4);transform:translateY(-3px);box-shadow:var(--shadow-sm)}

.site-footer{background:#14211b;color:#c9d4cd;padding:56px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:40px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text span{color:#8ea899}
.footer-brand p{font-size:13.5px;color:#9db0a5;line-height:1.8;max-width:280px}
.footer-col h4{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul li a,.footer-col ul li{font-size:13.5px;color:#9db0a5;transition:color .25s}
.footer-col ul li a:hover{color:#7ddcb0}
.footer-contact-line{display:flex;gap:9px;font-size:13.5px;color:#9db0a5;margin-bottom:10px;align-items:flex-start}
.footer-contact-line b{color:#e6efe9;font-weight:600;flex-shrink:0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;font-size:12.5px;color:#8ea899;
}
.footer-bottom .links{display:flex;gap:18px;flex-wrap:wrap}
.footer-bottom .links a{color:#8ea899;transition:color .25s}
.footer-bottom .links a:hover{color:#7ddcb0}
@media(max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:30px}}
@media(max-width:560px){.footer-grid{grid-template-columns:1fr;gap:26px}}

/* ===== 浮动客服 & 返回顶部 ===== */
.float-tools{position:fixed;right:20px;bottom:26px;z-index:300;display:flex;flex-direction:column;gap:12px;align-items:flex-end}
.float-btn{
  width:52px;height:52px;border-radius:16px;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 22px rgba(20,40,30,.18);
  transition:transform .3s,box-shadow .3s,opacity .3s;
  font-family:inherit;
}
.float-btn:hover{transform:translateY(-4px);box-shadow:0 12px 26px rgba(20,40,30,.24)}
.float-kefu{background:var(--brand);color:#fff;font-size:12px;font-weight:700;flex-direction:column;gap:2px;line-height:1.1}
.float-top{background:#fff;color:var(--brand-deep);border:1px solid var(--line);font-size:18px;font-weight:800;opacity:0;pointer-events:none}
.float-top.show{opacity:1;pointer-events:auto}
.kefu-panel{
  position:fixed;right:20px;bottom:90px;z-index:301;
  background:#fff;border:1px solid var(--line);border-radius:18px;
  padding:18px;box-shadow:0 18px 40px rgba(20,40,30,.18);
  width:238px;text-align:center;
  opacity:0;transform:translateY(12px) scale(.96);pointer-events:none;
  transition:opacity .3s,transform .3s;
}
.kefu-panel.show{opacity:1;transform:translateY(0) scale(1);pointer-events:auto}
.kefu-panel img{width:158px;height:158px;object-fit:contain;margin:0 auto 10px;border-radius:10px;border:1px solid var(--line)}
.kefu-panel strong{display:block;font-size:14px;color:var(--ink);margin-bottom:4px}
.kefu-panel span{font-size:12.5px;color:var(--ink-soft);line-height:1.6;display:block}

/* ===== 滚动渐入 ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .hero-visual{animation:none}
}