:root{
  --green:#00c853;
  --green-dark:#009624;
  --green-deep:#00701a;
  --green-soft:#e8fbe d;
  --green-soft:#e6faee;
  --ink:#0f2417;
  --ink-2:#2c3e33;
  --muted:#5c6f63;
  --line:#d8ece1;
  --bg:#f4fdf7;
  --card:#ffffff;
  --shadow:0 10px 30px rgba(0,112,26,.08);
  --shadow-lg:0 18px 46px rgba(0,112,26,.14);
  --radius:18px;
  --container:1180px;
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC",system-ui,sans-serif;
  background:
    radial-gradient(1200px 600px at 85% -5%, rgba(0,200,83,.14), transparent 60%),
    radial-gradient(900px 500px at 5% 20%, rgba(0,200,83,.08), transparent 55%),
    linear-gradient(180deg,#f6fef9 0%,#f0fbf4 40%,#f5fdf8 100%);
  color:var(--ink);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 22px;}
section{position:relative;}
.section-pad{padding:76px 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.14em;font-weight:700;
  color:var(--green-deep);background:var(--green-soft);
  border:1px solid #c7f0d5;padding:6px 14px;border-radius:999px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--green);}
h2.sec-title{
  font-size:clamp(24px,3.2vw,36px);line-height:1.28;letter-spacing:-.01em;
  margin:16px 0 12px;color:var(--ink);font-weight:800;
}
.sec-sub{color:var(--muted);font-size:16px;max-width:720px;}
.sec-head{margin-bottom:40px;}
.sec-head.center{text-align:center;}
.sec-head.center .sec-sub{margin:0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:.25s ease;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--green) 0%,var(--green-dark) 100%);
  color:#fff;box-shadow:0 10px 24px rgba(0,200,83,.34);
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(0,200,83,.42);}
.btn-ghost{background:#fff;color:var(--green-deep);border-color:#bfeacd;}
.btn-ghost:hover{background:var(--green-soft);transform:translateY(-3px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{transform:translateY(-3px);box-shadow:0 14px 28px rgba(15,36,23,.28);}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(216,236,225,.9);
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;min-height:70px;
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand .ai-page-logo{height:38px;width:auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:800;color:var(--ink);}
.brand-text span{font-size:11px;color:var(--muted);letter-spacing:.12em;}
.nav-links{display:flex;align-items:center;gap:0;flex-wrap:wrap;}
.nav-links a{
  padding:8px 12px;font-size:14px;font-weight:600;color:var(--ink-2);
  border-radius:9px;transition:.2s ease;position:relative;
}
.nav-links a:hover{color:var(--green-deep);background:var(--green-soft);}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.nav-actions .btn{padding:10px 20px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.25s;}
.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);}

/* ===== Hero ===== */
.hero{
  padding:70px 0 80px;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-120px;width:520px;height:520px;
  border-radius:50%;
  background:radial-gradient(circle at 40% 40%, rgba(0,200,83,.22), rgba(0,200,83,0) 70%);
  pointer-events:none;
}
.hero-grid{
  display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;
  position:relative;z-index:2;
}
.hero h1{
  font-size:clamp(30px,4.4vw,50px);line-height:1.16;letter-spacing:-.02em;
  font-weight:800;margin:20px 0 20px;color:var(--ink);
}
.hero h1 em{
  font-style:normal;color:var(--green-deep);
  background:linear-gradient(180deg,transparent 62%,rgba(0,200,83,.28) 62%);
}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:560px;margin-bottom:30px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags span{
  font-size:13px;font-weight:600;color:var(--green-deep);
  background:#fff;border:1px solid #cdeed9;border-radius:999px;padding:6px 14px;
  box-shadow:0 4px 12px rgba(0,112,26,.05);
}
/* Hero 右侧纯 CSS 视觉 */
.hero-visual{
  position:relative;border-radius:26px;
  background:linear-gradient(160deg,#0f2417 0%,#0a3c22 55%,#00602a 100%);
  padding:28px;box-shadow:var(--shadow-lg);
  min-height:390px;
  display:flex;flex-direction:column;gap:16px;
  overflow:hidden;
}
.hero-visual::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(340px 200px at 90% 5%, rgba(0,255,140,.35), transparent 70%),
    radial-gradient(260px 200px at 0% 100%, rgba(0,200,83,.30), transparent 70%);
  pointer-events:none;
}
.hero-panel{
  position:relative;z-index:2;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:14px;padding:14px 16px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  color:#eafff2;
  animation:floatY 6s ease-in-out infinite;
}
.hero-panel:nth-child(2){animation-delay:.8s;}
.hero-panel:nth-child(3){animation-delay:1.6s;}
.hero-panel .hp-label{font-size:13px;opacity:.85;}
.hero-panel .hp-value{font-size:15px;font-weight:800;color:#7bffb4;}
.hero-meter{
  position:relative;z-index:2;display:flex;align-items:flex-end;gap:8px;height:74px;
  margin-top:auto;
}
.hero-meter i{
  display:block;flex:1;border-radius:6px 6px 0 0;
  background:linear-gradient(180deg,#7bffb4,#00c853);
  opacity:.85;animation:barPulse 3.4s ease-in-out infinite;
}
.hero-meter i:nth-child(1){height:38%;animation-delay:0s;}
.hero-meter i:nth-child(2){height:62%;animation-delay:.25s;}
.hero-meter i:nth-child(3){height:48%;animation-delay:.5s;}
.hero-meter i:nth-child(4){height:86%;animation-delay:.75s;}
.hero-meter i:nth-child(5){height:70%;animation-delay:1s;}
.hero-meter i:nth-child(6){height:96%;animation-delay:1.25s;}
@keyframes floatY{0%,100%{transform:translateY(0);}50%{transform:translateY(-7px);}}
@keyframes barPulse{0%,100%{opacity:.6;transform:scaleY(.92);}50%{opacity:1;transform:scaleY(1);}}

/* ===== 指标条 ===== */
.metrics{
  margin-top:-26px;position:relative;z-index:5;
}
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:26px 24px;box-shadow:var(--shadow);
}
.metric-item{text-align:center;padding:6px 8px;border-right:1px dashed var(--line);}
.metric-item:last-child{border-right:none;}
.metric-item strong{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--green-deep);line-height:1.2;}
.metric-item span{font-size:13px;color:var(--muted);}

/* ===== 关于 ===== */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start;}
.about-text p{color:var(--ink-2);margin-bottom:16px;font-size:15.5px;}
.about-features{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px;}
.about-features li{
  display:flex;gap:10px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:14px;
  font-size:14px;font-weight:600;color:var(--ink-2);
  transition:.25s;
}
.about-features li:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#b7e8c8;}
.dot{
  flex-shrink:0;width:20px;height:20px;border-radius:50%;
  background:var(--green-soft);color:var(--green-deep);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;margin-top:2px;
}
.about-card{
  background:linear-gradient(165deg,#ffffff,#f2fdf6);
  border:1px solid var(--line);border-radius:22px;padding:28px;box-shadow:var(--shadow);
}
.about-card h3{font-size:19px;margin-bottom:14px;font-weight:800;}
.about-card ul{display:grid;gap:12px;}
.about-card li{
  display:flex;justify-content:space-between;gap:12px;
  font-size:14px;padding-bottom:12px;border-bottom:1px dashed var(--line);
}
.about-card li:last-child{border-bottom:none;padding-bottom:0;}
.about-card li b{color:var(--green-deep);font-weight:700;}

/* ===== 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:26px 24px;position:relative;overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
  display:flex;flex-direction:column;gap:10px;
}
.svc-card::before{
  content:"";position:absolute;left:0;top:0;height:3px;width:100%;
  background:linear-gradient(90deg,var(--green),transparent);
  transform:scaleX(0);transform-origin:left;transition:transform .35s ease;
}
.svc-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:#b7e8c8;}
.svc-card:hover::before{transform:scaleX(1);}
.svc-icon{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:var(--green-soft);color:var(--green-deep);
}
.svc-icon svg{width:23px;height:23px;}
.svc-card h3{font-size:17px;font-weight:800;}
.svc-card p{font-size:14px;color:var(--muted);line-height:1.65;}

/* ===== 一站式制作场景 ===== */
.scene-wrap{
  display:grid;grid-template-columns:repeat(4,1fr);gap:14px;
}
.scene-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:16px 16px;transition:.25s;
  display:flex;flex-direction:column;gap:6px;
}
.scene-item:hover{background:var(--green-soft);border-color:#b7e8c8;transform:translateY(-3px);}
.scene-item strong{font-size:14.5px;font-weight:800;color:var(--ink);}
.scene-item span{font-size:12.5px;color:var(--muted);line-height:1.55;}

/* ===== 行业方案 / 服务网络 ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start;}
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);
}
.panel h3{font-size:19px;font-weight:800;margin-bottom:8px;}
.panel .panel-sub{font-size:14px;color:var(--muted);margin-bottom:18px;}
.industry-list{display:grid;gap:12px;}
.industry-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 14px;border-radius:12px;background:#f7fdf9;
  border:1px solid #e4f6ec;transition:.22s;
}
.industry-list li:hover{background:var(--green-soft);border-color:#b7e8c8;}
.industry-list b{font-size:14.5px;display:block;color:var(--ink);}
.industry-list span{font-size:13px;color:var(--muted);}
.network-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.network-grid div{
  padding:14px;border-radius:12px;background:#f7fdf9;border:1px solid #e4f6ec;
  font-size:13.5px;color:var(--ink-2);font-weight:600;
  display:flex;align-items:center;gap:8px;
}
.network-grid div::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);flex-shrink:0;}

/* ===== 标准流程 ===== */
.flow{
  display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step;
}
.flow-step{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:22px 18px;
  position:relative;transition:.25s;
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b7e8c8;}
.flow-step .num{
  width:34px;height:34px;border-radius:10px;background:var(--green);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
  margin-bottom:12px;
}
.flow-step h4{font-size:15px;font-weight:800;margin-bottom:6px;}
.flow-step p{font-size:13px;color:var(--muted);line-height:1.6;}

/* ===== 案例中心 ===== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.28s;display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#b7e8c8;}
.case-media{
  aspect-ratio:16/10;overflow:hidden;background:#f2fdf6;
  display:flex;align-items:center;justify-content:center;
}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.case-card:hover .case-media img{transform:scale(1.05);}
.case-body{padding:20px;}
.case-body span{
  font-size:12px;font-weight:700;color:var(--green-deep);
  background:var(--green-soft);border-radius:999px;padding:4px 12px;display:inline-block;margin-bottom:10px;
}
.case-body h3{font-size:16px;font-weight:800;margin-bottom:8px;}
.case-body p{font-size:13.5px;color:var(--muted);}

/* ===== 对比评测 ===== */
.compare-wrap{
  background:linear-gradient(170deg,#0f2417 0%,#0a3c22 60%,#00602a 100%);
  border-radius:26px;padding:40px 36px;color:#eafff2;position:relative;overflow:hidden;
}
.compare-wrap::before{
  content:"";position:absolute;right:-100px;top:-100px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle,rgba(0,255,140,.28),transparent 65%);
}
.compare-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;margin-bottom:26px;position:relative;z-index:2;}
.compare-head h2{font-size:clamp(22px,3vw,30px);font-weight:800;margin-top:10px;}
.compare-head .eyebrow{background:rgba(255,255,255,.12);color:#a9ffcb;border-color:rgba(255,255,255,.2);}
.score-box{
  display:flex;align-items:center;gap:18px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:14px 22px;
}
.score-num{font-size:38px;font-weight:800;color:#7bffb4;line-height:1;}
.score-num small{font-size:15px;color:#c8ffe0;font-weight:600;}
.score-meta{font-size:13px;color:#c8ffe0;line-height:1.6;}
.stars{color:#7bffb4;font-size:16px;letter-spacing:2px;}
.table-scroll{overflow-x:auto;position:relative;z-index:2;border-radius:14px;}
table.compare{
  width:100%;border-collapse:collapse;min-width:640px;font-size:14px;
  background:rgba(255,255,255,.04);border-radius:14px;overflow:hidden;
}
table.compare th,table.compare td{
  padding:14px 16px;text-align:left;border-bottom:1px solid rgba(255,255,255,.12);
  color:#e6fff0;vertical-align:top;
}
table.compare thead th{background:rgba(0,255,140,.16);font-size:14px;color:#b6ffd3;font-weight:800;}
table.compare tbody tr:hover{background:rgba(255,255,255,.06);}
table.compare td b{color:#7bffb4;}

/* ===== Token比价 + 价格参考 ===== */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:26px;}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;transition:.28s;position:relative;
}
.price-card.featured{
  border-color:var(--green);box-shadow:0 14px 34px rgba(0,200,83,.16);
  background:linear-gradient(170deg,#ffffff,#f1fdf6);
}
.price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);}
.price-card .badge{
  position:absolute;top:-12px;right:18px;background:var(--green);color:#fff;
  font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;
}
.price-card h3{font-size:16px;font-weight:800;margin-bottom:6px;}
.price-card .price{font-size:30px;font-weight:800;color:var(--green-deep);line-height:1.2;margin:8px 0 4px;}
.price-card .price small{font-size:13px;color:var(--muted);font-weight:600;}
.price-card ul{display:grid;gap:9px;margin-top:16px;}
.price-card li{font-size:13.5px;color:var(--ink-2);display:flex;gap:8px;align-items:flex-start;}
.price-card li::before{content:"✓";color:var(--green-dark);font-weight:800;flex-shrink:0;}
.price-note{
  background:#fff;border:1px dashed #b7e8c8;border-radius:14px;padding:16px 20px;
  font-size:13.5px;color:var(--muted);
}

/* ===== 评价 ===== */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.review-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:.28s;display:flex;flex-direction:column;gap:12px;
}
.review-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#b7e8c8;}
.review-top{display:flex;align-items:center;gap:12px;}
.avatar{
  width:42px;height:42px;border-radius:50%;flex-shrink:0;
  background:linear-gradient(135deg,var(--green),var(--green-deep));color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.review-top strong{display:block;font-size:14.5px;}
.review-top span{font-size:12.5px;color:var(--muted);}
.review-card p{font-size:14px;color:var(--ink-2);line-height:1.7;}
.review-stars{color:#f5b301;font-size:14px;letter-spacing:2px;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:.25s;
}
.faq-item.open{border-color:var(--green);box-shadow:var(--shadow);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:18px 22px;font-size:15px;font-weight:700;color:var(--ink);
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  font-family:inherit;
}
.faq-q .ic{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;background:var(--green-soft);
  color:var(--green-deep);display:flex;align-items:center;justify-content:center;
  font-size:16px;transition:transform .3s ease;font-weight:800;
}
.faq-item.open .faq-q .ic{transform:rotate(45deg);background:var(--green);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .35s ease;
}
.faq-a p{padding:0 22px 18px;font-size:14px;color:var(--muted);line-height:1.75;}

/* ===== 文章 / 资讯 ===== */
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;
  transition:.25s;display:flex;flex-direction:column;gap:8px;
}
.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#b7e8c8;}
.article-card span{font-size:12px;color:var(--green-deep);font-weight:700;}
.article-card h3{font-size:15.5px;font-weight:800;line-height:1.5;}
.article-card p{font-size:13px;color:var(--muted);}

/* ===== 标签云 ===== */
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;}
.tag-cloud a{
  font-size:13px;color:var(--ink-2);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:7px 15px;transition:.2s;font-weight:600;
}
.tag-cloud a:hover{background:var(--green);color:#fff;border-color:var(--green);transform:translateY(-2px);}

/* ===== 表单 ===== */
.form-wrap{
  display:grid;grid-template-columns:.92fr 1.08fr;gap:34px;align-items:start;
}
.contact-card{
  background:linear-gradient(165deg,#0f2417,#0a3c22 65%,#00602a);
  color:#eafff2;border-radius:22px;padding:32px;
}
.contact-card h3{font-size:20px;font-weight:800;margin-bottom:8px;}
.contact-card p{font-size:14px;color:#bdeccd;margin-bottom:22px;}
.contact-list{display:grid;gap:14px;}
.contact-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:14px;color:#d7ffe6;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:12px;padding:12px 14px;
}
.contact-list b{display:block;font-size:12px;color:#8effb8;letter-spacing:.06em;}
.qr-box{margin-top:22px;display:flex;align-items:center;gap:16px;background:rgba(255,255,255,.07);border-radius:14px;padding:14px;border:1px solid rgba(255,255,255,.14);}
.qr-box img{width:96px;height:96px;border-radius:8px;object-fit:cover;background:#fff;}
.qr-box span{font-size:13px;color:#c8ffe0;line-height:1.6;}
form.req-form{
  background:#fff;border:1px solid var(--line);border-radius:22px;padding:30px;box-shadow:var(--shadow);
}
.req-form .row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
.field label{font-size:13.5px;font-weight:700;color:var(--ink-2);}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:11px;border:1px solid #d8e7df;
  font-size:14px;font-family:inherit;color:var(--ink);background:#fbfefc;
  transition:.2s;outline:none;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--green);background:#fff;box-shadow:0 0 0 3px rgba(0,200,83,.14);
}
.field textarea{resize:vertical;min-height:110px;}
.req-form .btn{width:100%;}
.form-tip{font-size:12.5px;color:var(--muted);margin-top:12px;text-align:center;}

/* ===== 友情链接 & 补充 ===== */
.friend-links{display:flex;flex-wrap:wrap;gap:10px;}
.friend-links a{
  font-size:13px;padding:7px 15px;border-radius:999px;background:#fff;
  border:1px solid var(--line);color:var(--ink-2);font-weight:600;transition:.2s;
}
.friend-links a:hover{background:var(--green-soft);border-color:#b7e8c8;color:var(--green-deep);}

/* ===== Footer ===== */
.site-footer{
  background:#0f2417;color:#c8ffe0;padding:52px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;}
.site-footer h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:14px;}
.site-footer p{font-size:13.5px;color:#a7cfb8;line-height:1.75;}
.footer-links{display:grid;gap:9px;}
.footer-links a{font-size:13.5px;color:#b8e6cb;transition:.2s;}
.footer-links a:hover{color:#7bffb4;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .ai-page-logo{height:36px;width:auto;background:rgba(255,255,255,.08);border-radius:8px;padding:4px;}
.footer-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:12.5px;color:#8fbfa3;
}

/* ===== 浮动客服 ===== */
.float-service{position:fixed;right:20px;bottom:24px;z-index:80;display:flex;flex-direction:column;gap:10px;}
.float-service button,.float-service a{
  width:50px;height:50px;border-radius:50%;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--green),var(--green-dark));color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;
  box-shadow:0 10px 24px rgba(0,150,36,.4);transition:.25s;font-family:inherit;
}
.float-service button:hover,.float-service a:hover{transform:translateY(-4px) scale(1.04);}
.to-top{opacity:0;pointer-events:none;transition:.3s;}
.to-top.show{opacity:1;pointer-events:auto;}

/* ===== 动效 ===== */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease;}
.reveal.in{opacity:1;transform:translateY(0);}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{min-height:320px;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:12px;}
  .metric-item:nth-child(2){border-right:none;}
  .about-grid,.split,.form-wrap{grid-template-columns:1fr;}
  .cards-grid,.case-grid,.review-grid,.article-grid,.price-grid{grid-template-columns:repeat(2,1fr);}
  .scene-wrap{grid-template-columns:repeat(3,1fr);}
  .flow{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:860px){
  .nav-links{
    display:none;position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;border-bottom:1px solid var(--line);
    padding:10px 16px 18px;box-shadow:0 18px 30px rgba(0,112,26,.1);
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:12px 10px;border-radius:8px;}
  .nav-toggle{display:flex;}
  .nav-actions .btn-ghost{display:none;}
  .nav-wrap{position:relative;}
  .brand-text span{display:none;}
}
@media (max-width:720px){
  .section-pad{padding:54px 0;}
  .hero{padding:46px 0 60px;}
  .cards-grid,.case-grid,.review-grid,.article-grid,.price-grid,.flow{grid-template-columns:1fr;}
  .scene-wrap{grid-template-columns:repeat(2,1fr);}
  .about-features{grid-template-columns:1fr;}
  .network-grid{grid-template-columns:1fr;}
  .req-form .row{grid-template-columns:1fr;}
  .compare-wrap{padding:28px 20px;border-radius:20px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .metrics-grid{padding:20px 16px;}
  .float-service{right:14px;bottom:18px;}
  .float-service button,.float-service a{width:46px;height:46px;font-size:11px;}
  .hero-cta .btn{width:100%;}
}
@media (max-width:420px){
  .scene-wrap{grid-template-columns:1fr;}
  .metrics-grid{grid-template-columns:1fr;}
  .metric-item{border-right:none;border-bottom:1px dashed var(--line);padding-bottom:14px;}
  .metric-item:last-child{border-bottom:none;padding-bottom:0;}
}