*{margin:0;padding:0;box-sizing:border-box}
:root{
  --ink:#141826;
  --ink-soft:#3c4356;
  --muted:#6b7280;
  --line:#e8eaf0;
  --bg:#f7f8fc;
  --card:#ffffff;
  --c1:#ff5a3c;
  --c2:#ffb020;
  --c3:#2b5cff;
  --c4:#14c38e;
  --c5:#8b5cf6;
  --shadow:0 10px 30px rgba(20,24,38,.07);
  --radius:18px;
}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(900px 500px at 88% -8%, rgba(255,176,32,.20), transparent 60%),
    radial-gradient(760px 480px at 6% 2%, rgba(43,92,255,.16), transparent 60%),
    radial-gradient(700px 520px at 50% 52%, rgba(255,90,60,.07), transparent 65%),
    linear-gradient(180deg,#fbfcff 0%,#f7f8fc 40%,#f5f6fb 100%);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul{list-style:none}
.container{
  width:100%;
  max-width:1180px;
  margin:0 auto;
  padding:0 20px;
}
section{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--c1);text-transform:uppercase;
  background:#fff2ee;border:1px solid #ffd9cf;
  padding:6px 14px;border-radius:999px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c1)}
h2.sec-title{
  font-size:clamp(24px,3.2vw,36px);
  line-height:1.28;letter-spacing:-.02em;margin:16px 0 12px;
  font-weight:800;
}
h2.sec-title em{font-style:normal;color:var(--c1)}
.sec-desc{color:var(--ink-soft);max-width:720px;font-size:15.5px}
.sec-head{margin-bottom:36px}

/* ============ NAV ============ */
.nav{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(14px);
  background:rgba(255,255,255,.86);
  border-bottom:1px solid rgba(232,234,240,.9);
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:66px;
}
.brand{
  display:flex;align-items:center;gap:10px;font-weight:800;
  font-size:18px;letter-spacing:-.01em;flex-shrink:0;
}
.brand img{height:34px;width:auto}
.brand span{color:var(--c1)}
.nav-links{
  display:flex;align-items:center;gap:0;flex-wrap:wrap;
}
.nav-links a{
  font-size:14px;color:var(--ink-soft);font-weight:600;
  padding:8px 11px;border-radius:9px;
  transition:color .2s,background .2s;
}
.nav-links a:hover{color:var(--c1);background:#fff2ee}
.nav-cta{
  display:flex;align-items:center;gap:10px;flex-shrink:0;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:14.5px;border-radius:12px;
  padding:11px 22px;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,box-shadow .22s ease,background .2s ease,color .2s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(120deg,var(--c1),#ff7a2f);
  color:#fff;box-shadow:0 8px 20px rgba(255,90,60,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 26px rgba(255,90,60,.42)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(20,24,38,.28)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--c3);color:var(--c3);transform:translateY(-2px)}
.btn:active{transform:translateY(0) scale(.985)}
.menu-toggle{
  display:none;background:#fff;border:1px solid var(--line);
  border-radius:10px;width:42px;height:42px;align-items:center;justify-content:center;cursor:pointer;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;transition:.25s}
.menu-toggle span::before,.menu-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);transition:.25s;
}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.menu-toggle.open span{background:transparent}
.menu-toggle.open span::before{transform:rotate(45deg);top:0}
.menu-toggle.open span::after{transform:rotate(-45deg);top:0}

/* ============ HERO ============ */
.hero{position:relative;padding:72px 0 76px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(520px 300px at 82% 12%, rgba(43,92,255,.16), transparent 68%),
    radial-gradient(460px 320px at 12% 78%, rgba(255,176,32,.22), transparent 70%);
}
.hero .container{position:relative;z-index:1}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:flex-start;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 16px 7px 8px;font-size:13px;font-weight:600;color:var(--ink-soft);
  box-shadow:var(--shadow);
}
.hero-badge b{
  background:linear-gradient(120deg,var(--c1),#ff8a4c);color:#fff;
  border-radius:999px;padding:3px 10px;font-size:12px;font-weight:700;
}
h1{
  font-size:clamp(30px,4.6vw,52px);line-height:1.16;letter-spacing:-.03em;
  font-weight:900;margin:22px 0 18px;
}
h1 .hl{
  position:relative;display:inline-block;color:var(--c1);
}
h1 .hl::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:10px;
  background:rgba(255,176,32,.36);border-radius:4px;z-index:-1;
}
.hero-lead{font-size:16.5px;color:var(--ink-soft);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 26px}
.hero-marquee{
  display:flex;flex-wrap:wrap;gap:8px;
}
.chip{
  font-size:12.5px;font-weight:600;color:var(--ink-soft);
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:6px 13px;transition:.2s;cursor:default;
}
.chip:hover{color:var(--c3);border-color:#c7d5ff;background:#f5f8ff;transform:translateY(-2px)}

/* hero side card */
.hero-card{
  background:linear-gradient(160deg,#151a2d,#1f2842 55%,#241b2e);
  color:#fff;border-radius:24px;padding:26px;
  box-shadow:0 26px 60px rgba(20,24,38,.30);
  border:1px solid rgba(255,255,255,.08);
  position:relative;overflow:hidden;
}
.hero-card::after{
  content:"";position:absolute;width:240px;height:240px;border-radius:50%;
  right:-90px;top:-90px;
  background:radial-gradient(circle,rgba(255,176,32,.36),transparent 70%);
}
.hero-card h3{font-size:16px;font-weight:800;letter-spacing:.02em;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.hero-card h3::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--c4);box-shadow:0 0 0 4px rgba(20,195,142,.18)}
.hero-list{display:grid;gap:11px;position:relative;z-index:1}
.hero-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:#d7dcec;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);
  border-radius:12px;padding:11px 13px;transition:.22s;
}
.hero-list li:hover{background:rgba(255,255,255,.10);transform:translateX(3px)}
.hero-list li i{
  flex-shrink:0;width:18px;height:18px;border-radius:50%;margin-top:2px;
  background:linear-gradient(140deg,var(--c1),var(--c2));
  display:flex;align-items:center;justify-content:center;
  font-style:normal;font-size:11px;font-weight:800;color:#fff;
}
.hero-card-foot{
  margin-top:18px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.16);
  display:flex;justify-content:space-between;align-items:center;gap:12px;position:relative;z-index:1;
}
.hero-card-foot span{font-size:12px;color:#9aa4bd}
.hero-mini-btn{
  font-size:12.5px;font-weight:700;color:#151a2d;background:linear-gradient(120deg,#ffd066,#ffb020);
  border-radius:9px;padding:7px 14px;transition:.2s;white-space:nowrap;
}
.hero-mini-btn:hover{transform:translateY(-2px);box-shadow:0 8px 18px rgba(255,176,32,.4)}

/* metrics */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:44px}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:20px 18px;box-shadow:var(--shadow);transition:.25s;
}
.metric:hover{transform:translateY(-4px);border-color:#ffd9cf;box-shadow:0 16px 34px rgba(255,90,60,.13)}
.metric b{display:block;font-size:26px;font-weight:900;letter-spacing:-.02em;background:linear-gradient(120deg,var(--c1),var(--c2));-webkit-background-clip:text;background-clip:text;color:transparent}
.metric small{display:block;font-size:13px;color:var(--muted);margin-top:4px}

/* ============ generic card grid ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);transition:transform .25s ease,box-shadow .25s ease,border-color .25s;
  position:relative;overflow:hidden;
}
.card:hover{transform:translateY(-5px);box-shadow:0 22px 44px rgba(20,24,38,.11);border-color:#dfe4f0}
.card .tag{
  display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.06em;
  padding:4px 10px;border-radius:7px;margin-bottom:12px;
}
.t-blue{background:#eaf0ff;color:var(--c3)}
.t-orange{background:#fff2ec;color:#e8562f}
.t-green{background:#e6faf3;color:#0d9c72}
.t-purple{background:#f2ecff;color:#6d3ff0}
.t-yellow{background:#fff7e0;color:#b57b00}
.card h3{font-size:17.5px;font-weight:800;margin-bottom:8px;letter-spacing:-.01em}
.card p{font-size:14px;color:var(--ink-soft)}
.card .mini-list{margin-top:14px;display:grid;gap:7px}
.card .mini-list li{font-size:13px;color:var(--muted);padding-left:16px;position:relative}
.card .mini-list li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--c2)}

/* dark feature band */
.band{
  background:linear-gradient(140deg,#151a2d,#202844 60%,#2c1e30);
  border-radius:26px;padding:40px;color:#fff;position:relative;overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
}
.band::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  right:-140px;bottom:-180px;
  background:radial-gradient(circle,rgba(43,92,255,.36),transparent 68%);
}
.band-inner{position:relative;z-index:1}
.band h2{font-size:clamp(22px,2.8vw,30px);font-weight:900;margin-bottom:10px;letter-spacing:-.02em}
.band p.lead{color:#c3cade;font-size:15px;max-width:680px}
.band-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:28px}
.band-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  border-radius:14px;padding:18px;transition:.25s;
}
.band-item:hover{background:rgba(255,255,255,.12);transform:translateY(-3px)}
.band-item b{display:block;font-size:15px;margin-bottom:6px}
.band-item span{font-size:12.5px;color:#a9b2c9}

/* flow steps */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px 20px;
  position:relative;transition:.25s;
}
.step:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(43,92,255,.12);border-color:#cfdbff}
.step .num{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:15px;color:#fff;margin-bottom:14px;
  background:linear-gradient(140deg,var(--c3),var(--c5));
  box-shadow:0 8px 18px rgba(43,92,255,.28);
}
.step h3{font-size:16px;font-weight:800;margin-bottom:6px}
.step p{font-size:13.5px;color:var(--muted)}

/* table */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius: var(--radius);
  overflow-x:auto;box-shadow:var(--shadow);
}
table{width:100%;border-collapse:collapse;min-width:720px}
thead th{
  background:#f3f5fb;font-size:13.5px;font-weight:800;color:var(--ink);
  padding:16px 18px;text-align:left;white-space:nowrap;border-bottom:1px solid var(--line);
}
tbody td{
  padding:15px 18px;font-size:13.8px;color:var(--ink-soft);border-bottom:1px solid #f1f3f8;
}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover td{background:#fafbff}
td .good{color:#0d9c72;font-weight:700}
td .mid{color:#b57900;font-weight:700}
.rating-box{
  display:grid;grid-template-columns:auto 1fr;gap:26px;align-items:center;
  background:linear-gradient(120deg,#fff4ef,#fffaf0);
  border:1px solid #ffdccf;border-radius:20px;padding:26px 28px;margin-bottom:24px;
}
.rating-score{text-align:center;flex-shrink:0}
.rating-score b{
  display:block;font-size:48px;line-height:1;font-weight:900;letter-spacing:-.03em;
  background:linear-gradient(120deg,var(--c1),var(--c2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.rating-score small{display:block;font-size:12.5px;color:var(--muted);margin-top:6px}
.rating-stars{color:var(--c2);font-size:20px;letter-spacing:3px}
.rating-box h3{font-size:18px;font-weight:800;margin-bottom:6px}
.rating-box p{font-size:14px;color:var(--ink-soft)}

/* price cards */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.price-card{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:28px 24px;
  transition:.25s;position:relative;overflow:hidden;
}
.price-card:hover{transform:translateY(-6px);box-shadow:0 22px 46px rgba(20,24,38,.12)}
.price-card.hot{border-color:#ffc9b8;background:linear-gradient(180deg,#fff8f5,#ffffff)}
.price-card.hot::before{
  content:"推荐";position:absolute;top:16px;right:16px;
  background:linear-gradient(120deg,var(--c1),var(--c2));color:#fff;
  font-size:11px;font-weight:800;padding:4px 11px;border-radius:999px;
}
.price-card h3{font-size:17px;font-weight:800;margin-bottom:6px}
.price-card .sub{font-size:12.5px;color:var(--muted);margin-bottom:18px}
.price-line{display:flex;align-items:baseline;gap:6px;margin-bottom:18px}
.price-line b{font-size:32px;font-weight:900;letter-spacing:-.02em;color:var(--c1)}
.price-line span{font-size:13px;color:var(--muted)}
.price-card ul{display:grid;gap:9px;margin-bottom:22px}
.price-card ul li{font-size:13.5px;color:var(--ink-soft);padding-left:20px;position:relative}
.price-card ul li::before{
  content:"✓";position:absolute;left:0;top:0;font-size:12px;font-weight:800;color:var(--c4);
}
.price-card .btn{width:100%}

/* timeline / service network */
.net-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.net-item{
  display:flex;gap:14px;align-items:flex-start;background:#fff;
  border:1px solid var(--line);border-radius:14px;padding:18px 20px;transition:.22s;
}
.net-item:hover{border-color:#cfdbff;box-shadow:0 14px 30px rgba(43,92,255,.1);transform:translateY(-3px)}
.net-dot{
  flex-shrink:0;width:36px;height:36px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:13px;
  background:linear-gradient(140deg,var(--c4),#2b9fd6);
}
.net-item h4{font-size:14.5px;font-weight:800;margin-bottom:3px}
.net-item p{font-size:12.8px;color:var(--muted)}

/* reviews */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.review{
  background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;
  transition:.25s;display:flex;flex-direction:column;gap:14px;
}
.review:hover{transform:translateY(-5px);box-shadow:0 20px 40px rgba(20,24,38,.1)}
.review-stars{color:var(--c2);font-size:14px;letter-spacing:2px}
.review p{font-size:13.8px;color:var(--ink-soft);flex:1}
.review-user{display:flex;align-items:center;gap:11px;border-top:1px solid #f1f3f8;padding-top:14px}
.avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;font-size:14px;
}
.a1{background:linear-gradient(140deg,#ff5a3c,#ff9c5b)}
.a2{background:linear-gradient(140deg,#2b5cff,#6d9bff)}
.a3{background:linear-gradient(140deg,#14c38e,#4fd6a8)}
.a4{background:linear-gradient(140deg,#8b5cf6,#b18aff)}
.a5{background:linear-gradient(140deg,#ffb020,#ffd066)}
.a6{background:linear-gradient(140deg,#ea4c89,#ff86b3)}
.review-user b{display:block;font-size:13.5px;font-weight:800}
.review-user span{display:block;font-size:12px;color:var(--muted)}

/* case + media */
.case-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:20px}
.case-media{
  border-radius:18px;overflow:hidden;border:1px solid var(--line);background:#fff;
  box-shadow:var(--shadow);transition:.3s;
}
.case-media:hover{transform:translateY(-5px);box-shadow:0 22px 46px rgba(20,24,38,.13)}
.case-media img{width:100%;height:auto;object-fit:cover;transition:transform .5s}
.case-media:hover img{transform:scale(1.04)}
.case-side{display:grid;grid-template-rows:1fr 1fr;gap:20px}
.case-side .case-media img{max-height:100%}

/* article */
.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.article{
  display:block;background:#fff;border:1px solid var(--line);border-radius:16px;
  padding:22px;transition:.24s;
}
.article:hover{transform:translateY(-4px);border-color:#cfdbff;box-shadow:0 18px 38px rgba(43,92,255,.11)}
.article .a-tag{font-size:11.5px;font-weight:800;color:var(--c3);background:#eef2ff;border-radius:6px;padding:3px 9px;display:inline-block;margin-bottom:12px}
.article h3{font-size:15.5px;font-weight:800;line-height:1.45;margin-bottom:8px}
.article p{font-size:13px;color:var(--muted)}
.article .a-more{margin-top:14px;font-size:12.5px;font-weight:700;color:var(--c1)}

/* tag cloud */
.tagcloud{display:flex;flex-wrap:wrap;gap:10px}
.tagcloud a{
  font-size:13px;font-weight:600;color:var(--ink-soft);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 16px;
  transition:.2s;
}
.tagcloud a:hover{color:#fff;background:var(--c3);border-color:var(--c3);transform:translateY(-2px)}

/* faq */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;overflow:hidden;
  transition:border-color .22s,box-shadow .22s;
}
.faq-item.open{border-color:#ffc9b8;box-shadow:0 14px 32px rgba(255,90,60,.1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:none;cursor:pointer;
  font-size:15px;font-weight:700;color:var(--ink);text-align:left;font-family:inherit;
}
.faq-q .ico{
  flex-shrink:0;width:24px;height:24px;border-radius:50%;background:#f3f5fb;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;color:var(--c1);
  transition:transform .28s ease,background .22s;
}
.faq-item.open .faq-q .ico{transform:rotate(45deg);background:#ffebe4}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .32s ease;
}
.faq-a p{padding:0 22px 20px;font-size:14px;color:var(--ink-soft)}

/* form */
.form-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start;
}
.form-info{display:grid;gap:14px}
.info-item{
  display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:16px 18px;
}
.info-ico{
  flex-shrink:0;width:38px;height:38px;border-radius:11px;
  background:linear-gradient(140deg,#ffede7,#fff6e6);color:var(--c1);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;
}
.info-item h4{font-size:14px;font-weight:800;margin-bottom:2px}
.info-item p{font-size:13px;color:var(--muted);word-break:break-all}
.kefu-card{
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;
  display:flex;gap:18px;align-items:center;
}
.kefu-card img{
  width:96px;height:96px;border-radius:12px;object-fit:cover;border:1px solid var(--line);flex-shrink:0;
}
.kefu-card h4{font-size:14.5px;font-weight:800;margin-bottom:4px}
.kefu-card p{font-size:12.5px;color:var(--muted)}
form{
  background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;
  box-shadow:var(--shadow);
}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.f-group{margin-bottom:16px}
.f-group label{display:block;font-size:13px;font-weight:700;margin-bottom:7px;color:var(--ink)}
.f-group label .req{color:var(--c1)}
.f-group input,.f-group select,.f-group textarea{
  width:100%;padding:12px 14px;border:1px solid #dfe3ee;border-radius:10px;
  font-size:14px;font-family:inherit;color:var(--ink);background:#fbfcfe;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.f-group input:focus,.f-group select:focus,.f-group textarea:focus{
  outline:none;border-color:var(--c3);background:#fff;box-shadow:0 0 0 4px rgba(43,92,255,.1);
}
.f-group textarea{resize:vertical;min-height:110px}
form .btn{width:100%;margin-top:6px}
.f-note{font-size:12px;color:var(--muted);margin-top:12px;text-align:center}

/* footer */
footer{
  background:linear-gradient(150deg,#151a2d,#1e2540 60%,#221c2c);
  color:#c9d0e2;padding:48px 0 26px;margin-top:20px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.foot-brand .brand{color:#fff}
.foot-brand p{font-size:13px;color:#9aa4bd;margin-top:14px;max-width:300px}
.foot-col h4{font-size:14px;font-weight:800;color:#fff;margin-bottom:14px}
.foot-col ul{display:grid;gap:9px}
.foot-col ul li a,.foot-col ul li{font-size:13px;color:#a9b2c9;transition:color .2s}
.foot-col ul li a:hover{color:#ffb020}
.foot-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.foot-links a{
  font-size:12px;color:#c0c8dc;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:6px 11px;transition:.2s;
}
.foot-links a:hover{background:rgba(255,176,32,.18);color:#ffd066;border-color:rgba(255,176,32,.4)}
.foot-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  text-align:center;font-size:12.5px;color:#8d97b1;
}
.foot-bottom a{color:#a9b2c9}
.foot-bottom a:hover{color:#ffb020}

/* floating */
.float-side{
  position:fixed;right:18px;bottom:24px;z-index:80;display:flex;flex-direction:column;gap:10px;
}
.float-btn{
  width:52px;height:52px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);box-shadow:0 10px 26px rgba(20,24,38,.14);
  cursor:pointer;transition:.22s;font-size:20px;color:var(--ink);
}
.float-btn:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(20,24,38,.2)}
.float-btn.kefu{background:linear-gradient(140deg,var(--c1),#ff8a4c);color:#fff;border:none}
.float-btn.top{opacity:0;pointer-events:none;font-size:16px;font-weight:800}
.float-btn.top.show{opacity:1;pointer-events:auto}
.kefu-pop{
  position:fixed;right:82px;bottom:24px;z-index:81;
  background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;
  box-shadow:0 20px 50px rgba(20,24,38,.18);
  opacity:0;pointer-events:none;transform:translateY(10px) scale(.96);
  transition:.22s;width:210px;
}
.kefu-pop.show{opacity:1;pointer-events:auto;transform:translateY(0) scale(1)}
.kefu-pop img{width:100%;border-radius:10px;margin-bottom:8px}
.kefu-pop p{font-size:12px;color:var(--muted);text-align:center}

/* reveal */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:translateY(0)}
.reveal.d1{transition-delay:.08s}
.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}

/* responsive */
@media (max-width:1080px){
  .nav-links a{padding:7px 9px;font-size:13px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-card{max-width:560px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .band-grid,.net-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr;gap:16px}
  .review-grid{grid-template-columns:repeat(2,1fr)}
  .article-list{grid-template-columns:repeat(2,1fr)}
  .case-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .metrics{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .nav-links{
    display:none;position:absolute;top:66px;left:0;right:0;
    background:#fff;flex-direction:column;align-items:stretch;
    padding:14px 20px 20px;gap:0;border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(20,24,38,.1);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 8px;border-radius:8px;border-bottom:1px solid #f3f5fb}
  .nav-links a:last-child{border-bottom:none}
  .menu-toggle{display:flex}
  .nav{position:sticky}
  .nav-cta .btn{padding:9px 15px;font-size:13px}
  .nav-inner{position:relative}
}
@media (max-width:760px){
  section{padding:48px 0}
  .hero{padding:44px 0 52px}
  h1{font-size:30px}
  .hero-actions .btn{flex:1;min-width:140px}
  .grid-3,.grid-2,.review-grid,.article-list,.f-row,.form-wrap,.net-grid,.foot-grid,.band-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .metrics{grid-template-columns:repeat(2,1fr);gap:12px}
  .metric{padding:16px 14px}
  .metric b{font-size:22px}
  .band{padding:28px 22px}
  .rating-box{grid-template-columns:1fr;text-align:center;gap:14px}
  .rating-score b{font-size:42px}
  form{padding:22px}
  .float-side{right:12px;bottom:16px}
  .kefu-pop{right:74px;width:190px}
  .case-side{grid-template-rows:auto auto}
  .foot-bottom{font-size:12px}
  .kefu-card{flex-direction:column;text-align:center}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .reveal{opacity:1;transform:none}
}