/* 华子华 FutureNow · 站点样式 v2（视觉升级 / 参考 fred-fu.com 结构） */
:root{
  --ink:#120f1d;
  --ink-2:#2b2538;
  --muted:#6c6478;
  --muted-2:#9a93a8;
  --line:#ece7f4;
  --lav:#f0eef5;
  --lav-2:#f7f5fb;
  --purple:#6C4CF1;
  --purple-2:#8b70ff;
  --yellow:#f6c94c;
  --radius:20px;
  --shadow-sm:0 2px 8px rgba(18,15,29,.04);
  --shadow-md:0 10px 30px rgba(18,15,29,.07);
  --shadow-lg:0 24px 60px rgba(18,15,29,.10);
  --ease:cubic-bezier(.22,.61,.36,1);
}
*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,"Segoe UI",sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1100px 520px at 78% -8%, rgba(108,76,241,.09), transparent 62%),
    radial-gradient(700px 420px at 6% 4%, rgba(246,201,76,.10), transparent 60%),
    #fff;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  letter-spacing:.01em;
  line-height:1.6;
}
::selection{ background:rgba(108,76,241,.18); }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; }
.wrap{ max-width:1120px; margin:0 auto; padding:0 28px; }

/* ===== nav ===== */
.nav{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.78);
  backdrop-filter:saturate(180%) blur(16px);
  border-bottom:1px solid rgba(236,231,244,.9);
}
.nav-in{ max-width:1120px; margin:0 auto; padding:14px 28px; display:flex; align-items:center; justify-content:space-between; gap:16px; }
.brand{ display:flex; align-items:center; gap:10px; }
.brand .zh{ font-size:21px; font-weight:900; letter-spacing:2.5px; }
.brand .en{ font-size:13.5px; font-weight:800; font-style:italic; color:var(--purple); letter-spacing:.5px; }
.nav-links{ display:flex; flex-wrap:wrap; gap:2px 6px; font-size:14.5px; color:var(--muted); }
.nav-links a{ padding:7px 12px; border-radius:10px; transition:all .18s var(--ease); }
.nav-links a:hover{ color:var(--ink); background:var(--lav); }
.nav-links a.on{ color:var(--purple); font-weight:800; background:rgba(108,76,241,.09); }

/* ===== hero ===== */
.hero{ position:relative; padding:96px 0 72px; }
.hero::after{
  content:""; position:absolute; right:-60px; top:20px; width:420px; height:420px;
  background:radial-gradient(circle at 50% 50%, rgba(108,76,241,.16), transparent 68%);
  filter:blur(6px); pointer-events:none; z-index:-1;
}
.kicker{
  display:inline-flex; align-items:center; gap:8px;
  font-size:12.5px; font-weight:800; letter-spacing:2.4px; text-transform:uppercase;
  color:var(--purple); background:rgba(108,76,241,.08);
  border:1px solid rgba(108,76,241,.16); border-radius:999px; padding:7px 14px;
}
.hero h1{
  margin-top:22px; font-size:clamp(44px,7.6vw,84px); line-height:1.05; font-weight:900;
  letter-spacing:-.02em; max-width:980px;
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--purple),var(--purple-2));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero p.lead{ margin-top:26px; font-size:18px; color:var(--muted); line-height:1.85; max-width:640px; }
.ctas{ margin-top:38px; display:flex; gap:14px; flex-wrap:wrap; }
.btn{
  display:inline-block; padding:15px 28px; border-radius:999px; font-size:15.5px; font-weight:800;
  letter-spacing:.5px; transition:all .2s var(--ease);
}
.btn-dark{ background:var(--ink); color:#fff; box-shadow:0 10px 24px rgba(18,15,29,.18); }
.btn-dark:hover{ background:#241e33; transform:translateY(-2px); box-shadow:0 14px 30px rgba(18,15,29,.24); }
.btn-line{ border:1.5px solid #ddd6ea; color:var(--ink); background:#fff; }
.btn-line:hover{ border-color:var(--purple); color:var(--purple); transform:translateY(-2px); box-shadow:0 10px 22px rgba(108,76,241,.12); }

/* ===== sections ===== */
.sec{ padding:76px 0; border-top:1px solid var(--line); }
.sec-label{
  display:inline-flex; align-items:center; gap:9px;
  font-size:12.5px; font-weight:800; letter-spacing:2.2px; color:var(--muted-2); text-transform:uppercase;
}
.sec-label::before{ content:""; width:16px; height:2px; border-radius:2px; background:var(--purple); opacity:.55; }
.sec h2{ margin-top:16px; font-size:clamp(30px,4.4vw,42px); font-weight:900; letter-spacing:-.02em; line-height:1.18; }
.sec .desc{ margin-top:16px; font-size:16.5px; color:var(--muted); line-height:1.85; max-width:680px; }
.sec .more{ margin-top:26px; display:inline-block; font-size:15px; font-weight:800; color:var(--purple); transition:.18s; }
.sec .more:hover{ letter-spacing:.5px; }

/* cards */
.grid4{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:36px; }
.grid3{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; margin-top:36px; }
.grid2{ display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-top:36px; }
.card{
  background:linear-gradient(180deg,#f7f5fb,#f1eef7);
  border:1px solid rgba(108,76,241,.07);
  border-radius:var(--radius); padding:26px 26px 28px; display:block;
  transition:all .24s var(--ease);
}
.card:hover{ transform:translateY(-5px); border-color:rgba(108,76,241,.18); box-shadow:var(--shadow-md); }
.card .t{ font-size:19px; font-weight:900; letter-spacing:.2px; }
.card .d{ margin-top:11px; font-size:14.5px; color:var(--muted); line-height:1.75; }
.card .go{ margin-top:18px; font-size:13px; font-weight:800; color:var(--purple); letter-spacing:1.2px; }
.card .num{ font-size:12px; font-weight:800; color:var(--muted-2); letter-spacing:2px; text-transform:uppercase; }

/* list rows */
.rows{ margin-top:36px; border-top:1px solid var(--line); }
.row{ display:flex; gap:22px; padding:26px 8px; border-bottom:1px solid var(--line); align-items:baseline; transition:background .2s; }
.row:hover{ background:var(--lav-2); }
.row .no{ font-size:13px; font-weight:800; color:var(--muted-2); letter-spacing:1.5px; flex:none; width:44px; }
.row .rt{ font-size:19px; font-weight:900; flex:none; width:300px; letter-spacing:.2px; }
.row .rd{ font-size:14.5px; color:var(--muted); line-height:1.75; }
.row .lock{ margin-left:auto; flex:none; font-size:12px; font-weight:800; letter-spacing:1px; border-radius:999px; padding:6px 13px; }
.lock.free{ background:rgba(246,201,76,.18); color:#7d6200; }
.lock.member{ background:rgba(108,76,241,.10); color:var(--purple); }
@media (max-width:760px){ .row{flex-wrap:wrap;} .row .rt{width:auto;} .row .lock{margin-left:0;} }

/* dark band */
.band{
  position:relative; overflow:hidden;
  background:linear-gradient(160deg,#15112a 0%,#120f1d 46%,#191322 100%);
  color:#fff; border-radius:28px; padding:48px 44px;
  box-shadow:var(--shadow-lg);
}
.band::before{
  content:""; position:absolute; right:-80px; top:-80px; width:340px; height:340px;
  background:radial-gradient(circle,rgba(108,76,241,.42),transparent 66%); pointer-events:none;
}
.band::after{
  content:""; position:absolute; left:-60px; bottom:-120px; width:320px; height:320px;
  background:radial-gradient(circle,rgba(246,201,76,.14),transparent 68%); pointer-events:none;
}
.band > *{ position:relative; z-index:1; }
.band h2{ color:#fff; }
.band .desc{ color:#b5aec0; }
.band .sec-label{ color:#8f88a2; }
.band .sec-label::before{ background:var(--yellow); opacity:.8; }
.band .card{ background:rgba(255,255,255,.055); border:1px solid rgba(255,255,255,.10); }
.band .card:hover{ background:rgba(255,255,255,.10); border-color:rgba(255,255,255,.18); }
.band .card .d{ color:#b5aec0; }

/* stat row */
.stats{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-top:30px; }
.stats div{ background:rgba(255,255,255,.055); border:1px solid rgba(255,255,255,.10); border-radius:16px; padding:22px 16px; text-align:center; }
.stats b{ display:block; font-size:27px; font-weight:900; letter-spacing:-.02em; }
.stats span{ display:block; margin-top:7px; font-size:12.5px; color:#a9a2b8; letter-spacing:1.2px; }
.stats b.y{ color:var(--yellow); }
@media (max-width:860px){ .stats{grid-template-columns:repeat(2,1fr);} }

.badge{ display:inline-block; font-size:12px; font-weight:800; letter-spacing:1px; background:var(--yellow); color:var(--ink); border-radius:999px; padding:6px 14px; }

/* steps */
.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:36px; }
.step{ background:var(--lav-2); border:1px solid var(--line); border-radius:18px; padding:26px; transition:.22s var(--ease); }
.step:hover{ transform:translateY(-3px); box-shadow:var(--shadow-sm); }
.step .n{ font-size:12.5px; font-weight:900; color:var(--purple); letter-spacing:2px; }
.step .t{ margin-top:11px; font-size:17.5px; font-weight:900; }
.step .d{ margin-top:10px; font-size:14.5px; color:var(--muted); line-height:1.75; }

/* pricing */
.tiers{ display:grid; grid-template-columns:repeat(4,1fr); gap:14px; margin-top:38px; align-items:stretch; }
.tier{
  background:#fff; border:1.5px solid var(--line); border-radius:22px; padding:28px 24px;
  display:flex; flex-direction:column; transition:.24s var(--ease);
}
.tier:hover{ transform:translateY(-4px); box-shadow:var(--shadow-md); border-color:rgba(108,76,241,.2); }
.tier.hot{ background:linear-gradient(165deg,#1b1530,#120f1d); color:#fff; border-color:#120f1d; box-shadow:var(--shadow-lg); }
.tier.hot:hover{ transform:translateY(-6px); }
.tier .name{ font-size:19px; font-weight:900; letter-spacing:.2px; }
.tier .price{ margin-top:12px; font-size:32px; font-weight:900; letter-spacing:-.02em; }
.tier .price small{ font-size:12.5px; font-weight:600; color:var(--muted-2); letter-spacing:0; }
.tier.hot .price small{ color:#a9a2b8; }
.tier ul{ margin-top:18px; list-style:none; display:flex; flex-direction:column; gap:10px; font-size:14px; color:var(--muted); line-height:1.65; }
.tier.hot ul{ color:#b5aec0; }
.tier ul li::before{ content:"· "; color:var(--purple); font-weight:900; }
.tier.hot ul li::before{ color:var(--yellow); }
.tier .btn{ margin-top:auto; text-align:center; padding:13px 18px; font-size:14.5px; }
.tier .hotline{ margin-top:9px; font-size:12px; color:var(--muted-2); text-align:center; }

/* comparison table */
.cmpwrap{ margin-top:36px; overflow-x:auto; border-radius:20px; box-shadow:var(--shadow-sm); }
table.cmp{ width:100%; min-width:860px; border-collapse:separate; border-spacing:0; font-size:14px; background:#fff; }
.cmp th, .cmp td{ padding:16px 15px; text-align:left; vertical-align:middle; line-height:1.55; }
.cmp thead th{ background:var(--ink); color:#fff; font-size:14px; font-weight:900; letter-spacing:.4px; white-space:nowrap; }
.cmp thead th:first-child{ border-radius:16px 0 0 0; }
.cmp thead th:last-child{ border-radius:0 16px 0 0; }
.cmp thead th.hotcol{ background:#2a1f52; }
.cmp tbody th{ font-weight:800; color:var(--ink); width:186px; }
.cmp tbody tr:nth-child(even) td, .cmp tbody tr:nth-child(even) th{ background:var(--lav); }
.cmp tbody tr:nth-child(odd) td, .cmp tbody tr:nth-child(odd) th{ background:#fff; }
.cmp td{ color:var(--muted); }
.cmp td .yes, .cmp td .no{ display:inline-flex; width:27px; height:27px; border-radius:50%; align-items:center; justify-content:center; font-size:12.5px; font-weight:900; }
.cmp td .yes{ background:rgba(108,76,241,.12); color:var(--purple); }
.cmp td .no{ background:#f0f0f4; color:#c2bcd0; }
.cmp tr:last-child td, .cmp tr:last-child th{ border-bottom:none; }
.cmp tbody tr:nth-child(odd) .hotcol{ background:#faf8ff; }

/* join process */
.joincard{ background:#fff; border:1px solid var(--line); border-radius:24px; padding:38px 42px; margin-top:36px; box-shadow:var(--shadow-md); }
.joincard h3{ font-size:25px; font-weight:900; letter-spacing:.2px; }
.jrow{ display:flex; align-items:baseline; gap:20px; padding:15px 0; border-bottom:1px solid #f6f3fb; }
.jrow:last-child{ border-bottom:none; }
.jrow .jn{ font-size:28px; font-weight:900; color:var(--purple); flex:none; width:60px; letter-spacing:.02em; }
.jrow .jd{ font-size:15.5px; color:var(--ink-2); line-height:1.7; }
.jrow .jd b{ color:var(--ink); }

/* how to choose */
.choose{ display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:28px; }
.chcard{ background:var(--lav-2); border:1px solid var(--line); border-radius:18px; padding:24px 26px; transition:.2s var(--ease); }
.chcard:hover{ transform:translateY(-3px); box-shadow:var(--shadow-sm); }
.chcard .cn{ font-size:12px; font-weight:900; color:var(--purple); letter-spacing:2px; }
.chcard .ct{ margin-top:9px; font-size:18px; font-weight:900; }
.chcard .cd{ margin-top:9px; font-size:14.5px; color:var(--muted); line-height:1.75; }

/* boundary dark card */
.bound{ position:relative; overflow:hidden; background:linear-gradient(160deg,#171227,#120f1d); color:#c3bdd2; border-radius:24px; padding:36px 40px; margin-top:26px; }
.bound .bt{ font-size:12.5px; font-weight:800; letter-spacing:2.2px; color:#b7a4ff; }
.bound ul{ list-style:none; margin-top:18px; display:flex; flex-direction:column; gap:12px; font-size:14.5px; line-height:1.75; }
.bound ul li::before{ content:"· "; color:var(--yellow); font-weight:900; }
.bound .contact-pill{
  margin-top:26px; display:block; width:100%; text-align:center;
  background:#fff; color:var(--purple); font-size:16px; font-weight:900; letter-spacing:.5px;
  padding:16px; border-radius:999px; transition:.2s var(--ease);
}
.bound .contact-pill:hover{ transform:translateY(-2px); box-shadow:0 12px 28px rgba(255,255,255,.14); }

/* qr contact */
.qr{ display:grid; grid-template-columns:290px 1fr; gap:34px; align-items:center; background:linear-gradient(180deg,#f5f2fa,#efeaf7); border:1px solid rgba(108,76,241,.08); border-radius:24px; padding:34px 36px; margin-top:36px; }
.qr img{ width:100%; border-radius:16px; display:block; background:#fff; box-shadow:var(--shadow-sm); }
.qr .qt{ font-size:22px; font-weight:900; }
.qr .qd{ margin-top:12px; font-size:15px; color:var(--muted); line-height:1.85; }
.qr .qd b{ color:var(--ink); }
@media (max-width:760px){ .qr{grid-template-columns:1fr;} .qr img{max-width:290px;margin:0 auto;} }

.note{ margin-top:28px; font-size:13.5px; color:var(--muted-2); line-height:1.9; }

/* contact band */
.contact-band{
  display:grid; grid-template-columns:210px 1fr; gap:34px; align-items:center;
  background:linear-gradient(180deg,#f7f5fb,#f0ecf8);
  border:1px solid rgba(108,76,241,.09);
  border-radius:24px; padding:30px 36px; margin:0 0 44px;
}
.contact-band img{ width:100%; border-radius:16px; display:block; background:#fff; box-shadow:var(--shadow-sm); }
.contact-band .qt{ font-size:23px; font-weight:900; letter-spacing:.2px; }
.contact-band .qd{ margin-top:12px; font-size:15px; color:var(--muted); line-height:1.85; }
.contact-band .qd b{ color:var(--ink); }
.contact-band .qsafe{ margin-top:14px; font-size:12.5px; color:var(--muted-2); letter-spacing:1px; }
@media (max-width:760px){ .contact-band{grid-template-columns:1fr;} .contact-band img{max-width:210px;margin:0 auto;} }

/* footer */
.foot{ background:linear-gradient(180deg,#141020,#0e0b17); color:#8f88a2; margin-top:76px; border-top:1px solid rgba(255,255,255,.06); }
.foot-in{ max-width:1120px; margin:0 auto; padding:46px 28px; display:flex; justify-content:space-between; gap:20px; flex-wrap:wrap; font-size:13.5px; line-height:1.9; }
.foot .fz{ color:#fff; font-weight:900; letter-spacing:2px; font-size:15px; }
.foot .fe{ color:#b7a4ff; font-style:italic; font-weight:800; }

@media (max-width:1024px){
  .grid4{ grid-template-columns:1fr 1fr; }
  .tiers{ grid-template-columns:1fr 1fr; }
}
@media (max-width:860px){
  .grid3,.steps{grid-template-columns:1fr;}
  .grid2{grid-template-columns:1fr;}
  .grid4,.tiers{grid-template-columns:1fr;}
  .hero{padding:60px 0 46px;}
  .band{padding:32px 24px; border-radius:22px;}
  .joincard{padding:26px 22px;}
  .bound{padding:28px 24px;}
  .choose{grid-template-columns:1fr;}
}