/* ============================================================
   WPK 微扑克俱乐部 - 全局样式
   主题：奢华暗夜扑克俱乐部（祖母绿 + 鎏金）
   ============================================================ */

/* ---------- 设计变量 ---------- */
:root{
  --bg-0:#060a08;
  --bg-1:#0a1310;
  --bg-2:#0e1c17;
  --surface:rgba(18,34,28,.55);
  --surface-2:rgba(26,48,40,.65);
  --border:rgba(16,179,122,.18);
  --border-gold:rgba(212,175,55,.28);
  --green:#10b37a;
  --green-bright:#1fd99a;
  --green-soft:rgba(16,179,122,.14);
  --gold:#d4af37;
  --gold-bright:#f0c75e;
  --gold-soft:rgba(212,175,55,.14);
  --cream:#f3ece0;
  --cream-dim:#c5bca8;
  --muted:#8a9b91;
  --ink:#050907;
  --shadow:0 24px 60px -20px rgba(0,0,0,.7);
  --shadow-glow:0 0 60px -10px rgba(16,179,122,.35);
  --r-lg:22px;
  --r-md:16px;
  --r-sm:10px;
  --maxw:1200px;
  --serif:Georgia,"Songti SC","STSong","SimSun",serif;
  --sans:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}

/* ---------- 重置 ---------- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  color:var(--cream);
  background:var(--bg-0);
  line-height:1.7;
  overflow-x:hidden;
  min-height:100vh;
  position:relative;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul{list-style:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ---------- 背景氛围层 ---------- */
.bg-canvas{
  position:fixed;inset:0;z-index:0;
  pointer-events:none;
}
.bg-glow{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(60% 50% at 18% 8%,rgba(16,179,122,.16),transparent 60%),
    radial-gradient(50% 45% at 85% 18%,rgba(212,175,55,.12),transparent 60%),
    radial-gradient(70% 60% at 50% 110%,rgba(16,179,122,.10),transparent 60%);
}
.bg-noise{
  position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.04;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- 通用容器 ---------- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;position:relative;z-index:2}
section{position:relative;z-index:2}

/* ---------- 导航栏 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  backdrop-filter:blur(18px) saturate(140%);
  -webkit-backdrop-filter:blur(18px) saturate(140%);
  background:rgba(6,10,8,.62);
  border-bottom:1px solid var(--border);
  transition:background .35s ease,border-color .35s ease;
}
.nav.scrolled{background:rgba(6,10,8,.88);border-bottom-color:var(--border-gold)}
.nav-inner{
  max-width:var(--maxw);margin:0 auto;padding:0 24px;
  height:72px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;
}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--serif)}
.menu{display:flex;align-items:center;gap:6px;justify-self:center;justify-content:center}
.brand-mark{
  width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--green),#0a5d40);
  box-shadow:0 8px 24px -8px rgba(16,179,122,.6),inset 0 1px 0 rgba(255,255,255,.25);
  font-weight:700;font-size:18px;letter-spacing:.5px;color:#04130d;
}
.brand-name{font-size:20px;font-weight:700;letter-spacing:1.5px}
.brand-name b{color:var(--gold-bright)}
.menu a{
  position:relative;padding:10px 18px;border-radius:10px;
  font-size:15px;color:var(--cream-dim);font-weight:500;
  transition:color .25s,background .25s;
}
.menu a::after{
  content:"";position:absolute;left:18px;right:18px;bottom:6px;height:2px;
  background:linear-gradient(90deg,var(--green-bright),var(--gold-bright));
  transform:scaleX(0);transform-origin:left;transition:transform .35s ease;
  border-radius:2px;
}
.menu a:hover,.menu a.active{color:var(--cream)}
.menu a:hover::after,.menu a.active::after{transform:scaleX(1)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:10px;justify-self:end}
@media(max-width:720px){.nav-toggle{display:flex}}
.nav-toggle span{width:24px;height:2px;background:var(--cream);border-radius:2px;transition:.3s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 30px;border-radius:50px;font-weight:600;font-size:15px;
  letter-spacing:.5px;position:relative;overflow:hidden;
  transition:transform .3s,box-shadow .3s;
}
.btn-primary{
  background:linear-gradient(135deg,var(--green) 0%,#0a7d52 100%);
  color:#04130d;
  box-shadow:0 14px 40px -12px rgba(16,179,122,.7),inset 0 1px 0 rgba(255,255,255,.3);
}
.btn-primary::before{
  content:"";position:absolute;top:0;left:-120%;width:60%;height:100%;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.45),transparent);
  transform:skewX(-20deg);transition:left .7s ease;
}
.btn-primary:hover::before{left:140%}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 50px -12px rgba(16,179,122,.85)}
.btn-ghost{
  background:rgba(212,175,55,.08);color:var(--gold-bright);
  border:1px solid var(--border-gold);
}
.btn-ghost:hover{background:rgba(212,175,55,.18);transform:translateY(-3px)}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  padding:120px 0 80px;overflow:hidden;
}
#particles{position:absolute;inset:0;z-index:1}
.hero-inner{position:relative;z-index:3;max-width:var(--maxw);margin:0 auto;padding:0 24px;width:100%}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  padding:8px 18px;border-radius:50px;font-size:13px;letter-spacing:2px;
  background:rgba(16,179,122,.1);border:1px solid var(--border);
  color:var(--green-bright);text-transform:uppercase;font-weight:600;
  margin-bottom:28px;
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--green-bright);box-shadow:0 0 12px var(--green-bright);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.7)}}
.hero h1{
  font-family:var(--serif);
  font-size:clamp(2.6rem,6vw,5rem);line-height:1.08;font-weight:700;
  letter-spacing:-.5px;margin-bottom:26px;
}
.hero h1 .grad{
  background:linear-gradient(120deg,var(--green-bright),var(--gold-bright) 70%,var(--green-bright));
  background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:shimmer 6s linear infinite;
}
@keyframes shimmer{to{background-position:200% center}}
.hero p.lead{
  font-size:clamp(1.02rem,1.8vw,1.25rem);color:var(--cream-dim);
  max-width:620px;margin-bottom:38px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-stats{
  display:flex;gap:48px;margin-top:64px;flex-wrap:wrap;
  padding-top:38px;border-top:1px solid var(--border);
}
.stat .num{
  font-family:var(--serif);font-size:clamp(2rem,4vw,3rem);font-weight:700;
  background:linear-gradient(135deg,var(--green-bright),var(--gold-bright));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat .label{font-size:13px;color:var(--muted);letter-spacing:1px;text-transform:uppercase}

/* 装饰扑克牌 */
.hero-deco{
  position:absolute;right:40px;top:50%;transform:translateY(-50%);
  width:380px;height:380px;z-index:2;pointer-events:none;opacity:.85;
  display:none;
}
@media(min-width:980px){.hero-deco{display:block}}
.card-float{
  position:absolute;width:120px;height:174px;border-radius:14px;
  background:linear-gradient(160deg,#102822,#0a1712);
  border:1px solid var(--border-gold);
  box-shadow:var(--shadow);
  display:grid;place-items:center;
  font-family:var(--serif);
  animation:floaty 6s ease-in-out infinite;
}
.card-float .suit{font-size:50px;background:linear-gradient(135deg,var(--gold-bright),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.card-float .corner{position:absolute;font-size:14px;font-weight:700;color:var(--gold-bright)}
.card-float .corner.tl{top:8px;left:10px}
.card-float .corner.br{bottom:8px;right:10px;transform:rotate(180deg)}
.c1{right:100px;top:30px;transform:rotate(-14deg);animation-delay:0s}
.c2{right:10px;top:120px;transform:rotate(6deg);animation-delay:-2s;z-index:3}
.c3{right:160px;top:210px;transform:rotate(18deg);animation-delay:-4s}
@keyframes floaty{0%,100%{translate:0 0}50%{translate:0 -22px}}

/* ---------- 章节标题 ---------- */
.sec-head{max-width:680px;margin:0 auto 56px;text-align:center}
.sec-tag{
  display:inline-block;font-size:12px;letter-spacing:3px;text-transform:uppercase;
  color:var(--green-bright);font-weight:600;margin-bottom:16px;
}
.sec-tag::before{content:"";display:inline-block;width:26px;height:1px;background:var(--green-bright);vertical-align:middle;margin-right:12px}
.sec-tag::after{content:"";display:inline-block;width:26px;height:1px;background:var(--green-bright);vertical-align:middle;margin-left:12px}
.sec-head h2{
  font-family:var(--serif);font-size:clamp(2rem,4vw,3rem);font-weight:700;line-height:1.15;
}
.sec-head h2 .grad{
  background:linear-gradient(120deg,var(--green-bright),var(--gold-bright));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.sec-head p{color:var(--cream-dim);margin-top:16px;font-size:1.05rem}
.pad{padding:100px 0}
.pad-sm{padding:64px 0}

/* ---------- 卡片网格 ---------- */
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{
  position:relative;padding:38px 30px;border-radius:var(--r-lg);
  background:var(--surface);
  border:1px solid var(--border);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  transition:transform .4s cubic-bezier(.2,.8,.2,1),border-color .4s,box-shadow .4s;
  overflow:hidden;
}
.card::before{
  content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(145deg,transparent 40%,var(--green-soft));
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity .4s;
}
.card:hover{transform:translateY(-10px);border-color:var(--border-gold);box-shadow:var(--shadow),var(--shadow-glow)}
.card:hover::before{opacity:1}
.card-ico{
  width:60px;height:60px;border-radius:16px;display:grid;place-items:center;
  margin-bottom:22px;font-size:26px;
  background:linear-gradient(145deg,var(--green-soft),transparent);
  border:1px solid var(--border);
}
.card h3{font-family:var(--serif);font-size:1.45rem;margin-bottom:12px;color:var(--cream)}
.card p{color:var(--cream-dim);font-size:.98rem}
.card .num-tag{
  position:absolute;top:24px;right:28px;font-family:var(--serif);
  font-size:3.4rem;font-weight:700;color:rgba(212,175,55,.12);line-height:1;
}

/* 3D 倾斜卡 */
.tilt{transform-style:preserve-3d;perspective:900px}
.tilt .card-inner{transition:transform .3s ease}
.tilt:hover .card-inner{transform:rotateX(4deg) rotateY(-6deg) translateZ(8px)}

/* ---------- 流程步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  position:relative;padding:32px 26px;border-radius:var(--r-md);
  background:var(--surface);border:1px solid var(--border);
  backdrop-filter:blur(12px);
}
.step .n{
  font-family:var(--serif);font-size:1.1rem;font-weight:700;
  width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--green),#0a5d40);color:#04130d;
  margin-bottom:18px;box-shadow:var(--shadow-glow);
}
.step h4{font-family:var(--serif);font-size:1.2rem;margin-bottom:8px}
.step p{color:var(--cream-dim);font-size:.95rem}
.step::before{
  content:"";position:absolute;top:46px;right:-14px;width:28px;height:1px;
  background:linear-gradient(90deg,var(--green-bright),transparent);
}
.step:last-child::before{display:none}

/* ---------- 二维码/微信卡 ---------- */
.wechat-card{
  position:relative;display:flex;gap:36px;align-items:center;flex-wrap:wrap;
  padding:44px;border-radius:var(--r-lg);
  background:linear-gradient(145deg,var(--surface-2),var(--surface));
  border:1px solid var(--border-gold);
  backdrop-filter:blur(16px);box-shadow:var(--shadow);
  overflow:hidden;
}
.wechat-card::after{
  content:"";position:absolute;top:-50%;right:-10%;width:300px;height:300px;
  background:radial-gradient(circle,rgba(16,179,122,.25),transparent 70%);pointer-events:none;
}
.qr-box{
  flex:0 0 auto;width:200px;height:200px;border-radius:var(--r-md);
  background:#fff;padding:14px;display:grid;place-items:center;
  box-shadow:0 0 0 1px var(--border-gold),0 0 40px -10px rgba(16,179,122,.5);
}
.qr-box .qr-art{
  width:100%;height:100%;border-radius:8px;
  background:
    linear-gradient(45deg,#0a1310 25%,transparent 25%) 0 0/14px 14px,
    linear-gradient(-45deg,#0a1310 25%,transparent 25%) 0 0/14px 14px,
    linear-gradient(45deg,transparent 75%,#0a1310 75%) 0 0/14px 14px,
    linear-gradient(-45deg,transparent 75%,#0a1310 75%) 0 0/14px 14px,
    #fff;
  position:relative;
}
.qr-box .qr-art::before,.qr-box .qr-art::after{
  content:"";position:absolute;width:46px;height:46px;border:10px solid #0a1310;border-radius:6px;
}
.qr-box .qr-art::before{top:0;left:0}
.qr-box .qr-art::after{top:0;right:0}
.qr-box .qr-corner{position:absolute;bottom:0;left:0;width:46px;height:46px;border:10px solid #0a1310;border-radius:6px}
.wechat-info{flex:1;min-width:240px}
.wechat-info .label{font-size:12px;letter-spacing:3px;color:var(--gold-bright);text-transform:uppercase;font-weight:600}
.wechat-info h3{font-family:var(--serif);font-size:2rem;margin:10px 0 14px}
.wechat-id{
  display:inline-flex;align-items:center;gap:10px;padding:12px 22px;border-radius:12px;
  background:rgba(16,179,122,.1);border:1px solid var(--border);
  font-size:1.1rem;font-weight:600;color:var(--green-bright);margin-bottom:18px;
}
.wechat-id .copy{font-size:12px;color:var(--muted);cursor:pointer;border-bottom:1px dashed var(--muted)}
.wechat-id .copy:hover{color:var(--gold-bright)}
.wechat-info p{color:var(--cream-dim);margin-bottom:22px}

/* ---------- 时间线/赛事 ---------- */
.event-row{
  display:flex;gap:0;border-radius:var(--r-lg);overflow:hidden;margin-bottom:18px;
  background:var(--surface);border:1px solid var(--border);
  backdrop-filter:blur(14px);transition:transform .35s,border-color .35s;
}
.event-row:hover{transform:translateX(8px);border-color:var(--border-gold)}
.event-date{
  flex:0 0 auto;width:120px;display:flex;flex-direction:column;justify-content:center;align-items:center;
  background:linear-gradient(160deg,var(--green-soft),transparent);
  border-right:1px solid var(--border);padding:24px;
}
.event-date .d{font-family:var(--serif);font-size:2.4rem;font-weight:700;color:var(--gold-bright);line-height:1}
.event-date .m{font-size:13px;color:var(--muted);margin-top:4px;letter-spacing:1px}
.event-body{flex:1;padding:24px 28px}
.event-body .tag{display:inline-block;font-size:11px;padding:4px 12px;border-radius:50px;background:rgba(212,175,55,.12);color:var(--gold-bright);margin-bottom:8px;letter-spacing:1px}
.event-body h4{font-family:var(--serif);font-size:1.3rem;margin-bottom:6px}
.event-body p{color:var(--cream-dim);font-size:.95rem}
.event-body .meta{display:flex;gap:18px;margin-top:12px;font-size:13px;color:var(--muted)}

/* ---------- 权益列表 ---------- */
.perk{display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-bottom:1px dashed var(--border)}
.perk:last-child{border-bottom:none}
.perk-ico{
  flex:0 0 auto;width:40px;height:40px;border-radius:10px;display:grid;place-items:center;
  background:var(--green-soft);border:1px solid var(--border);color:var(--green-bright);font-size:18px;
}
.perk h5{font-family:var(--serif);font-size:1.1rem;margin-bottom:3px}
.perk p{color:var(--cream-dim);font-size:.92rem}

/* ---------- 信息块 ---------- */
.split{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.split-media{
  position:relative;border-radius:var(--r-lg);min-height:360px;overflow:hidden;
  background:linear-gradient(160deg,var(--bg-2),var(--bg-1));
  border:1px solid var(--border);
}
.split-media .glow-orb{
  position:absolute;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(16,179,122,.5),transparent 65%);
  filter:blur(20px);animation:orb 8s ease-in-out infinite;
}
.split-media .glow-orb.gold{background:radial-gradient(circle,rgba(212,175,55,.4),transparent 65%);animation-delay:-3s}
@keyframes orb{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(40px,30px) scale(1.15)}}
.split-media .deco-suit{
  position:absolute;inset:0;display:grid;place-items:center;font-family:var(--serif);
  font-size:9rem;color:rgba(212,175,55,.18);
}

/* ---------- 联系方式 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-item{display:flex;gap:18px;align-items:center;padding:22px;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--border);backdrop-filter:blur(12px);transition:.35s;margin-bottom:16px}
.contact-item:hover{border-color:var(--border-gold);transform:translateY(-4px)}
.contact-item .ci-ico{flex:0 0 auto;width:52px;height:52px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(145deg,var(--green-soft),transparent);border:1px solid var(--border);font-size:22px;color:var(--green-bright)}
.contact-item h5{font-family:var(--serif);font-size:1.05rem;margin-bottom:2px}
.contact-item p{color:var(--cream-dim);font-size:.92rem}
.contact-item .ci-val{color:var(--gold-bright);font-weight:600}

/* ---------- FAQ ---------- */
.faq{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--border);background:var(--surface);backdrop-filter:blur(12px);margin-bottom:14px}
.faq-q{display:flex;justify-content:space-between;align-items:center;padding:22px 26px;cursor:pointer;font-family:var(--serif);font-size:1.1rem;font-weight:600}
.faq-q .pm{color:var(--green-bright);font-size:22px;transition:transform .3s}
.faq.open .pm{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a p{padding:0 26px 24px;color:var(--cream-dim)}

/* ---------- 页脚 ---------- */
.footer{
  position:relative;z-index:2;margin-top:80px;
  border-top:1px solid var(--border);
  background:linear-gradient(180deg,transparent,rgba(6,10,8,.9));
  backdrop-filter:blur(12px);
}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding:64px 0 40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{color:var(--cream-dim);font-size:.95rem;max-width:300px}
.footer-col h6{font-family:var(--serif);font-size:1.05rem;margin-bottom:18px;color:var(--cream)}
.footer-col a{display:block;padding:6px 0;color:var(--cream-dim);font-size:.95rem;transition:color .25s,padding .25s}
.footer-col a:hover{color:var(--gold-bright);padding-left:6px}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;
  padding:24px 0;border-top:1px solid var(--border);
}
.footer-bottom p{color:var(--muted);font-size:.85rem}
.footer-links{display:flex;gap:24px;flex-wrap:wrap}
.footer-links a{color:var(--cream-dim);font-size:.85rem;transition:color .25s}
.footer-links a:hover{color:var(--gold-bright)}

/* ---------- 页面横幅 ---------- */
.page-hero{
  position:relative;padding:160px 0 70px;overflow:hidden;
  border-bottom:1px solid var(--border);
}
.page-hero .crumb{font-size:13px;color:var(--muted);margin-bottom:18px;letter-spacing:1px}
.page-hero .crumb a:hover{color:var(--gold-bright)}
.page-hero h1{font-family:var(--serif);font-size:clamp(2.2rem,5vw,3.6rem);font-weight:700;line-height:1.1}
.page-hero h1 .grad{background:linear-gradient(120deg,var(--green-bright),var(--gold-bright));-webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero p{color:var(--cream-dim);font-size:1.1rem;max-width:620px;margin-top:18px}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  padding:60px;text-align:center;
  background:linear-gradient(135deg,rgba(16,179,122,.18),rgba(212,175,55,.1));
  border:1px solid var(--border-gold);
  backdrop-filter:blur(16px);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 30% 0%,rgba(16,179,122,.25),transparent 60%);
}
.cta-band h2{font-family:var(--serif);font-size:clamp(1.8rem,4vw,2.8rem);position:relative;z-index:2}
.cta-band p{color:var(--cream-dim);margin:14px auto 28px;max-width:520px;position:relative;z-index:2}
.cta-band .btn{position:relative;z-index:2}

/* ---------- 滚动揭示 ---------- */
.reveal{opacity:0;transform:translateY(34px);transition:opacity .8s ease,transform .8s cubic-bezier(.2,.8,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.1s}
.reveal[data-delay="2"]{transition-delay:.2s}
.reveal[data-delay="3"]{transition-delay:.3s}
.reveal[data-delay="4"]{transition-delay:.4s}

/* ---------- Toast ---------- */
.toast{
  position:fixed;bottom:30px;left:50%;transform:translateX(-50%) translateY(120px);
  background:linear-gradient(135deg,var(--green),#0a5d40);color:#04130d;
  padding:14px 28px;border-radius:50px;font-weight:600;z-index:9999;
  box-shadow:0 14px 40px -10px rgba(16,179,122,.7);transition:transform .4s cubic-bezier(.2,.8,.2,1);
}
.toast.show{transform:translateX(-50%) translateY(0)}

/* ---------- 自适应 ---------- */
@media(max-width:980px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::before{display:none}
  .split{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:720px){
  .menu{
    position:fixed;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;
    background:rgba(6,10,8,.96);backdrop-filter:blur(20px);
    border-bottom:1px solid var(--border);
    padding:14px;max-height:0;overflow:hidden;transition:max-height .4s ease;
  }
  .menu.open{max-height:420px}
  .menu a{padding:14px 18px;border-radius:10px}
  .menu a::after{display:none}
  .menu a:hover,.menu a.active{background:var(--green-soft)}
  .nav-toggle{display:flex}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .wechat-card{padding:28px}
  .hero-stats{gap:28px}
  .cta-band{padding:40px 24px}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .pad{padding:70px 0}
}