/* ── RESET & BASE ── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Helvetica,Arial,sans-serif;background:var(--page-bg);color:var(--text);line-height:1.65;overflow-x:hidden}
a{text-decoration:none;color:inherit}img{display:block;max-width:100%}button{font-family:inherit;cursor:pointer}

/* ── TOKENS ── */
:root{
  /* AWS-style light system */
  --navy:#0d1117;
  --navy1:#131921;
  --navy2:#1a2332;
  --navy3:#1e293b;
  /* page bg = AWS-style off-white */
  --page-bg:#f0f2f5;
  --page-alt:#ffffff;
  --blue:#232f3e;/* AWS dark */
  --blue-accent:#0073bb;/* AWS orange-blue */
  --blue-h:#005a91;
  --blue-glow:rgba(0,115,187,.2);
  --blue-lt:rgba(0,115,187,.06);
  --tg:#229ED9;--tg-h:#1a8fc4;--tg-glow:rgba(34,158,217,.35);
  --wa:#25D366;--wa-h:#1fb858;--wa-glow:rgba(37,211,102,.35);
  /* text on white bg */
  --text:#0d1117;--text2:#4a5568;--text3:#718096;
  /* card */
  --border:rgba(0,0,0,.08);--border2:rgba(0,0,0,.05);
  --card-bg:#ffffff;--card-hover:#f7f9fc;
  --r6:6px;--r10:10px;--r12:12px;--r16:16px;
  --max:1280px;
  --nav-h:60px;
}

/* ── LAYOUT ── */
.w{max-width:var(--max);margin:0 auto;padding:0 48px}
.section{padding:88px 0}
.section-alt{background:rgba(255,255,255,.02)}

/* ── CANVAS PARTICLE BG ── */
#particle-canvas{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.3}
.above-canvas{position:relative;z-index:1}

/* ── NAV ── */
nav{
  position:fixed;top:0;left:0;right:0;z-index:500;
  height:var(--nav-h);
  background:#ffffff;
  border-bottom:1px solid rgba(0,0,0,.1);
  box-shadow:0 1px 4px rgba(0,0,0,.06);
  transition:box-shadow .3s;
}
nav.scrolled{box-shadow:0 2px 12px rgba(0,0,0,.10)}
.nav-inner{display:flex;align-items:center;height:var(--nav-h);gap:0}
.nav-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-right:32px;text-decoration:none;transition:opacity .2s}
.nav-logo:hover{opacity:.85}
.nav-logo img{height:28px;width:auto;filter:invert(1)brightness(10)}
.nav-logo-sep{width:1px;height:16px;background:rgba(0,0,0,.15)}
.nav-logo-name{color:rgba(13,17,23,.9);font-size:15px;font-weight:600;letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;list-style:none;gap:2px;flex:1}
.nav-links li a{
  display:inline-block;padding:6px 14px;color:rgba(22,28,36,.65);
  font-size:13.5px;border-radius:var(--r6);white-space:nowrap;
  transition:color .2s,background .2s;position:relative;
}
.nav-links li a::after{
  content:'';position:absolute;bottom:0;left:14px;right:14px;height:2px;
  background:#0073bb;border-radius:2px;transform:scaleX(0);
  transition:transform .25s cubic-bezier(.4,0,.2,1);
}
.nav-links li a:hover{color:#0d1117;background:rgba(0,0,0,.05)}
.nav-links li a.active{color:#0d1117;font-weight:700}
.nav-links li a.active::after{transform:scaleX(1)}
.nav-mob-toggle{display:none;background:none;border:none;color:rgba(13,17,23,.65);padding:4px}
.nav-mob-toggle svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
.nav-mob-menu{display:none;background:#ffffff;border-top:1px solid rgba(0,0,0,.08);padding:8px 0 16px;box-shadow:0 8px 24px rgba(0,0,0,.1)}
.nav-mob-menu.open{display:block}
.nav-mob-menu a{display:block;padding:12px 24px;color:rgba(13,17,23,.7);font-size:14px;transition:color .15s,background .15s}
.nav-mob-menu a:hover,.nav-mob-menu a.active{color:#0d1117;background:rgba(0,0,0,.04)}
.nav-mob-cta{display:flex;gap:8px;padding:12px 24px 4px}
.nav-mob-cta a{flex:1;display:flex;align-items:center;justify-content:center;gap:6px;padding:10px;border-radius:var(--r6);font-size:13px;font-weight:600;color:#fff;transition:filter .15s}
.nav-mob-cta a:hover{filter:brightness(1.1)}

/* ── PAGE SWITCH ── */
.page{display:none;animation:pageFadeIn .35s ease}.page.active{display:block}
@keyframes pageFadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

/* ── HERO ── */
.hero{
  min-height:calc(100vh - var(--nav-h));padding:calc(var(--nav-h) + 80px) 0 100px;
  background:#b0b0b0 url('images/hero.webp') right center / cover no-repeat;
  position:relative;overflow:hidden;
}
.hero::before{display:none}
.hero::after{display:none}
.hero-inner{display:grid;grid-template-columns:1fr 480px;gap:72px;align-items:center;position:relative;z-index:2}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:100px;background:rgba(37,99,235,.1);border:1px solid rgba(37,99,235,.25);color:rgba(255,255,255,.75);font-size:12px;font-weight:500;letter-spacing:.04em;text-transform:uppercase;margin-bottom:20px}
.hero-pulse{width:7px;height:7px;border-radius:50%;background:var(--wa);box-shadow:0 0 0 0 var(--wa-glow);animation:pulse-dot 2s infinite}
@keyframes pulse-dot{0%{box-shadow:0 0 0 0 var(--wa-glow)}70%{box-shadow:0 0 0 8px transparent}100%{box-shadow:0 0 0 0 transparent}}
.hero h1{font-size:52px;font-weight:800;line-height:1.1;letter-spacing:-.04em;margin-bottom:20px;color:#fff}
.hero h1 .hl{background:linear-gradient(135deg,#60a5fa,#a78bfa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-desc{color:rgba(255,255,255,.52);font-size:16px;line-height:1.8;margin-bottom:32px;max-width:560px}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:40px}
.hero-checks{display:flex;flex-direction:column;gap:10px}
.hcheck{display:flex;align-items:center;gap:10px;color:rgba(255,255,255,.6);font-size:14px}
.hcheck-ico{width:20px;height:20px;border-radius:50%;background:rgba(37,211,102,.12);border:1px solid rgba(37,211,102,.3);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.hcheck-ico svg{width:10px;height:10px;stroke:var(--wa);fill:none;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}
/* hero right panel */
.hero-panel{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);border-radius:var(--r16);padding:28px;backdrop-filter:blur(16px);box-shadow:0 8px 32px rgba(0,0,0,.2),inset 0 1px 0 rgba(255,255,255,.12)}
.hero-stats{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}
.hstat{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--r12);padding:18px;text-align:center;transition:border-color .25s,background .25s,transform .25s}
.hstat:hover{border-color:rgba(37,99,235,.4);background:rgba(37,99,235,.08);transform:translateY(-2px)}
.hstat-n{font-size:28px;font-weight:800;color:#fff;letter-spacing:-.03em;line-height:1}
.hstat-l{font-size:11.5px;color:rgba(255,255,255,.4);margin-top:5px}
.hero-pts{display:flex;flex-direction:column;gap:9px}
.hpt{display:flex;align-items:center;gap:9px;font-size:13px;color:rgba(255,255,255,.55)}
.hpt-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.3);flex-shrink:0}
/* brand logos in hero */
.hero-brands{display:flex;align-items:center;gap:28px;flex-wrap:wrap;padding:20px 0 20px}
.brand-chip{display:flex;align-items:center;gap:8px;}

.brand-chip span{font-size:12px;color:rgba(255,255,255,.7);font-weight:500;white-space:nowrap}

/* ── TRUST BAR ── */
.trust-bar{background:#f8fafc;border-top:1px solid rgba(0,0,0,.06);border-bottom:1px solid rgba(0,0,0,.06);padding:14px 0;position:relative;z-index:2}
.trust-row{display:flex;align-items:center;justify-content:center;gap:40px;flex-wrap:wrap}
.trust-item{display:flex;align-items:center;gap:7px;font-size:13px;color:#4a5568;font-weight:500}
.trust-ck{width:15px;height:15px;border-radius:50%;background:rgba(37,211,102,.15);border:1px solid rgba(37,211,102,.35);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.trust-ck svg{width:8px;height:8px;stroke:var(--wa);fill:none;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}

/* ── SECTION HEAD ── */
.sh{margin:0 0 52px}.sh.c{text-align:center;margin-left:auto;margin-right:auto;max-width:680px}
.sh-tag{display:inline-flex;align-items:center;padding:3px 12px;border-radius:100px;background:rgba(0,115,187,.08);color:#0073bb;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;margin-bottom:14px;border:1px solid rgba(0,115,187,.18)}
.sh h2{font-size:32px;font-weight:800;letter-spacing:-.025em;line-height:1.2;margin-bottom:12px;color:var(--text)}
.sh-desc{color:var(--text2);font-size:15px;line-height:1.75}

/* ── BUTTONS ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r6);font-weight:600;font-size:14px;
  border:none;cursor:pointer;white-space:nowrap;position:relative;overflow:hidden;
  transition:transform .2s,box-shadow .2s,filter .2s;
}
.btn::after{content:'';position:absolute;inset:0;background:rgba(255,255,255,.12);opacity:0;transition:opacity .2s}
.btn:hover::after{opacity:1}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}
.btn svg{flex-shrink:0}
.btn-tg{background:var(--tg);color:#fff;box-shadow:0 4px 20px rgba(34,158,217,.3)}
.btn-tg:hover{box-shadow:0 8px 28px rgba(34,158,217,.45)}
.btn-wa{background:var(--wa);color:#fff;box-shadow:0 4px 20px rgba(37,211,102,.3)}
.btn-wa:hover{box-shadow:0 8px 28px rgba(37,211,102,.45)}
.btn-ghost{background:transparent;color:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.2)}
.btn-ghost:hover{border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline{background:transparent;color:var(--blue);border:1px solid rgba(37,99,235,.4)}
.btn-outline:hover{background:rgba(37,99,235,.12);border-color:var(--blue)}
/* ripple */
.btn .ripple{position:absolute;border-radius:50%;background:rgba(255,255,255,.3);transform:scale(0);animation:ripple-anim .55s linear;pointer-events:none}
@keyframes ripple-anim{to{transform:scale(4);opacity:0}}

/* ── CARDS ── */
.card{
  background:var(--card-bg);border:1px solid var(--border);border-radius:var(--r12);
  padding:24px;transition:border-color .25s,background .25s,transform .25s,box-shadow .25s;
}
.card:hover{
  border-color:rgba(0,115,187,.35);background:#f7fbff;
  transform:translateY(-4px);box-shadow:0 8px 32px rgba(0,0,0,.1),0 0 0 2px rgba(0,115,187,.12);
}
.card-ico{font-size:1.5rem;margin-bottom:14px}
.card h3{font-size:15px;font-weight:700;color:var(--text);margin-bottom:7px;letter-spacing:-.01em}
.card p{font-size:13.5px;color:var(--text2);line-height:1.75}

/* ADV CARD (icon left) */
.acard{display:grid;grid-template-columns:48px 1fr;gap:16px;align-items:start;background:var(--card-bg);border:1px solid var(--border);border-radius:var(--r12);padding:22px;transition:border-color .25s,background .25s,transform .25s,box-shadow .25s}
.acard:hover{border-color:rgba(0,115,187,.3);background:#f7fbff;transform:translateY(-3px);box-shadow:0 6px 24px rgba(0,0,0,.08)}
.acard-ico{width:48px;height:48px;border-radius:var(--r10);background:rgba(0,115,187,.08);border:1px solid rgba(0,115,187,.15);display:flex;align-items:center;justify-content:center;font-size:1.3rem;flex-shrink:0}
.acard h3{font-size:14.5px;font-weight:700;color:var(--text);margin-bottom:7px}
.acard p{font-size:13.5px;color:var(--text2);line-height:1.75}

/* GRID */
.g2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.g6{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}

/* TABS */
.tab-bar{display:flex;gap:4px;flex-wrap:wrap;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid rgba(0,0,0,.07)}
.tab-btn{padding:8px 16px;border-radius:100px;border:1px solid rgba(0,0,0,.1);background:#fff;font-size:13px;font-weight:600;cursor:pointer;color:var(--text2);transition:all .2s}
.tab-btn.active,.tab-btn:hover{background:#0073bb;border-color:#0073bb;color:#fff}
.tab-pane{display:none}.tab-pane.active{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.prod{background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:var(--r10);padding:14px 16px;transition:border-color .2s,background .2s,transform .2s}
.prod:hover{border-color:#0073bb;background:#f0f8ff;transform:translateY(-2px)}
.prod-badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:11px;font-weight:700;background:rgba(0,115,187,.1);color:#0073bb;border:1px solid rgba(0,115,187,.2);margin-bottom:6px}
.prod-badge.hot{background:rgba(37,211,102,.1);color:#1a9e4a;border-color:rgba(37,211,102,.25)}
.prod h4{font-size:13.5px;font-weight:700;color:var(--text);margin-bottom:3px}
.prod small{font-size:12px;color:var(--text3);line-height:1.5}

/* PROCESS */
.proc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;position:relative}
.proc-grid::before{content:'';position:absolute;top:30px;left:12.5%;right:12.5%;height:1px;background:linear-gradient(90deg,transparent,rgba(0,115,187,.3),rgba(0,115,187,.3),transparent)}
.proc-item{text-align:center;padding:0 16px;position:relative;z-index:1}
.proc-num{width:60px;height:60px;border-radius:50%;background:#fff;border:1.5px solid rgba(0,115,187,.25);box-shadow:0 2px 8px rgba(0,0,0,.06);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;transition:all .3s;position:relative}
.proc-num span{font-size:18px;font-weight:800;color:#0073bb}
.proc-item:hover .proc-num{border-color:#0073bb;background:#e8f4fb;box-shadow:0 4px 16px rgba(0,115,187,.2)}
.proc-item h3{font-size:14px;font-weight:700;color:var(--text);margin-bottom:6px}
.proc-item p{font-size:13px;color:var(--text2);line-height:1.65}

/* STATS */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:40px}
.stat-c{background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:var(--r12);padding:22px;text-align:center;transition:border-color .25s,background .25s,transform .25s;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.stat-c:hover{border-color:rgba(0,115,187,.3);background:#f0f8ff;transform:translateY(-3px)}
.stat-c b{display:block;font-size:28px;font-weight:800;color:var(--text);letter-spacing:-.03em;margin-bottom:4px}
.stat-c span{font-size:12.5px;color:var(--text2)}

/* FAQ */
.faq-wrap{max-width:780px;margin:0 auto}
.faq-item{border-bottom:1px solid rgba(0,0,0,.07)}
.faq-q{width:100%;background:none;border:none;padding:18px 0;display:flex;justify-content:space-between;align-items:center;cursor:pointer;font-size:15px;font-weight:600;color:var(--text);text-align:left;gap:16px;transition:color .2s}
.faq-q:hover{color:#0073bb}
.faq-arrow{width:24px;height:24px;border-radius:50%;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:transform .3s,border-color .2s,background .2s}
.faq-arrow svg{stroke:var(--text2);transition:stroke .2s}
.faq-item.open .faq-arrow{transform:rotate(180deg);border-color:rgba(37,99,235,.4);background:rgba(37,99,235,.1)}
.faq-item.open .faq-arrow svg{stroke:rgba(147,197,253,.9)}
.faq-body{overflow:hidden;max-height:0;transition:max-height .35s cubic-bezier(.4,0,.2,1)}
.faq-item.open .faq-body{max-height:400px}
.faq-inner{padding-bottom:18px}
.faq-inner p{font-size:14px;color:var(--text2);line-height:1.85}

/* CTA BOX */
.cta-box{
  background:linear-gradient(135deg,#1a2332 0%,#0d1117 100%);
  border:1px solid rgba(255,255,255,.08);border-radius:var(--r16);padding:52px 60px;
  display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-box::before{content:'';position:absolute;top:-50%;right:-10%;width:60%;height:200%;background:radial-gradient(ellipse at center,rgba(37,99,235,.1) 0%,transparent 65%);pointer-events:none}
.cta-box h2{font-size:28px;font-weight:800;letter-spacing:-.025em;color:#fff;margin-bottom:8px}
.cta-box p{color:var(--text2);font-size:15px}
.cta-acts{display:flex;gap:10px;flex-shrink:0;position:relative;z-index:1}

/* SCENARIO CARDS */
.sc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.sc-card{border-radius:var(--r12);overflow:hidden;position:relative;min-height:220px;display:flex;flex-direction:column;justify-content:flex-end;cursor:pointer;transition:transform .3s,box-shadow .3s}
.sc-card:hover{transform:translateY(-6px);box-shadow:0 20px 60px rgba(0,0,0,.5)}
.sc-bg{position:absolute;inset:0;z-index:0;background-size:cover;background-position:center;transition:transform .5s cubic-bezier(.4,0,.2,1)}
.sc-card:hover .sc-bg{transform:scale(1.06)}
.sc-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(6,12,24,.92) 0%,rgba(6,12,24,.55) 35%,rgba(6,12,24,.0) 55%);z-index:1;transition:background .35s}
.sc-card:hover .sc-overlay{background:linear-gradient(0deg,rgba(6,12,24,.95) 0%,rgba(6,12,24,.6) 40%,rgba(6,12,24,.05) 58%)}
.sc-body{position:relative;z-index:2;padding:20px}
.sc-body h3{color:#fff;font-size:16px;font-weight:700;margin-bottom:6px;text-shadow:0 1px 6px rgba(0,0,0,.8);transition:color .3s,text-shadow .3s}
.sc-body p{color:rgba(255,255,255,.8);font-size:13px;line-height:1.65;text-shadow:0 1px 4px rgba(0,0,0,.7);transition:color .3s}
.sc-card:hover .sc-body h3{color:#fff;text-shadow:0 0 12px rgba(0,168,232,.7),0 1px 6px rgba(0,0,0,.9)}
.sc-card:hover .sc-body p{color:rgba(255,255,255,.95)}
.sc-tags{display:flex;gap:5px;flex-wrap:wrap;margin-top:10px}
.sc-tag{padding:3px 10px;border-radius:4px;background:rgba(255,255,255,.15);backdrop-filter:blur(4px);color:#fff;font-size:11.5px;font-weight:500;border:1px solid rgba(255,255,255,.25);transition:background .2s,border-color .2s}
.sc-card:hover .sc-tag{background:rgba(0,115,187,.35);border-color:rgba(0,168,232,.6);color:#fff}

/* PAYMENT */
.pay-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.pay-card{background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:var(--r12);padding:20px 14px;text-align:center;transition:border-color .25s,background .25s,transform .25s;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.pay-card:hover{border-color:rgba(0,115,187,.3);background:#f0f8ff;transform:translateY(-3px);box-shadow:0 4px 16px rgba(0,115,187,.08)}
.pay-ico{display:flex;align-items:center;justify-content:center;height:40px;margin-bottom:10px}
.pay-card-label{font-size:13px;font-weight:700;color:var(--text)}
.pay-card-sub{font-size:11.5px;color:var(--text2);margin-top:3px}
/* flag currency cards */
.pay-flag{font-size:28px;line-height:1}

/* TIERS */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.tier{background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:var(--r16);padding:28px;display:flex;flex-direction:column;transition:border-color .25s,transform .25s,box-shadow .25s;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.tier:hover{transform:translateY(-4px);box-shadow:0 8px 28px rgba(0,0,0,.1)}
.tier.featured{border-color:#0073bb;background:linear-gradient(160deg,rgba(0,115,187,.06),rgba(0,115,187,.02));box-shadow:0 0 0 2px rgba(0,115,187,.15)}
.tier.featured:hover{box-shadow:0 8px 28px rgba(0,115,187,.15),0 0 0 2px rgba(0,115,187,.25)}
.tier-lbl{font-size:11.5px;font-weight:700;color:#0073bb;margin-bottom:6px;text-transform:uppercase;letter-spacing:.05em}
.tier h3{font-size:22px;font-weight:800;color:var(--text);margin-bottom:5px;letter-spacing:-.02em}
.tier-desc{font-size:13px;color:var(--text2);margin-bottom:20px}
.tier-feats{list-style:none;flex:1;display:flex;flex-direction:column;gap:9px;margin-bottom:24px}
.tier-feats li{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text2)}
.tier-feats li::before{content:'';width:16px;height:16px;border-radius:50%;background:rgba(37,211,102,.1);border:1px solid rgba(37,211,102,.25);flex-shrink:0;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpolyline points='2,6 5,9 10,3' stroke='%2325D366' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center;background-size:10px}
.tier .btn{width:100%;justify-content:center}

/* ABOUT */
.about-grid{display:grid;grid-template-columns:380px 1fr;gap:56px;align-items:start}
.about-vis{border-radius:var(--r16);overflow:hidden;position:relative}

.about-vis img{width:100%;height:auto;display:block;border-radius:var(--r16);box-shadow:0 4px 24px rgba(0,0,0,.12)}

.as6-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:24px}
.as6{background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:var(--r10);padding:15px;text-align:center;transition:border-color .2s,transform .2s;box-shadow:0 1px 3px rgba(0,0,0,.04)}
.as6:hover{border-color:rgba(37,99,235,.3);transform:translateY(-2px)}
.as6 b{display:block;font-size:22px;font-weight:800;color:var(--text);letter-spacing:-.02em}
.as6 span{font-size:11.5px;color:var(--text2);margin-top:3px;display:block}
.cert-list{display:flex;flex-direction:column;gap:9px;margin-top:20px}
.cert-item{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text2)}
.cert-ico{width:18px;height:18px;border-radius:50%;background:rgba(37,211,102,.1);border:1px solid rgba(37,211,102,.22);flex-shrink:0;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'%3E%3Cpolyline points='2,6 5,9 10,3' stroke='%2325D366' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:center;background-size:10px}

/* MIGRATION */
.migr-intro{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.migr-vis{background:#1a2332;border-radius:var(--r14);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center;border:1px solid rgba(255,255,255,.08);font-size:3rem;color:rgba(255,255,255,.25)}
.migr-val{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.mv{background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:var(--r12);padding:20px;display:flex;gap:14px;align-items:start;transition:border-color .2s,transform .2s;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.mv:hover{border-color:rgba(37,99,235,.3);transform:translateY(-2px)}
.mv.full{grid-column:1/-1}
.mv-ico{font-size:1.25rem;flex-shrink:0;margin-top:2px}
.mv h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:5px}
.mv p{font-size:13px;color:var(--text2);line-height:1.75}
.case-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.case-c{background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:var(--r12);padding:22px;transition:border-color .2s,transform .2s;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.case-c:hover{border-color:rgba(37,99,235,.3);transform:translateY(-2px)}
.case-c h4{font-size:15px;font-weight:700;color:var(--text);margin-bottom:7px}
.case-c p{font-size:13px;color:var(--text2);line-height:1.75}

/* FLOAT */
.float-btns{position:fixed;right:20px;bottom:20px;z-index:600;display:flex;flex-direction:column;gap:10px}
.float-btn{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;color:#fff;transition:transform .2s,box-shadow .2s;box-shadow:0 4px 16px rgba(0,0,0,.25)}
.float-btn:hover{transform:translateY(-3px) scale(1.08);box-shadow:0 8px 24px rgba(0,0,0,.35)}
.float-btn svg{width:20px;height:20px;flex-shrink:0}
.float-tg{background:var(--tg)}.float-wa{background:var(--wa)}

/* FOOTER */
footer{background:#0d1117;border-top:1px solid rgba(255,255,255,.06);color:rgba(255,255,255,.45);padding:56px 0 28px;position:relative;z-index:2}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.fl-brand{display:flex;align-items:center;gap:9px;margin-bottom:14px}
.fl-brand img{height:22px;filter:invert(1)brightness(10)}
.fl-brand-n{color:rgba(255,255,255,.75);font-size:14px;font-weight:600}
.fl-desc{font-size:13px;line-height:1.8;color:rgba(255,255,255,.35)}
.fl-cr{font-size:11.5px;color:rgba(255,255,255,.2);margin-top:10px;line-height:1.7}
.fc h4{color:rgba(255,255,255,.6);font-size:12.5px;font-weight:700;margin-bottom:13px;text-transform:uppercase;letter-spacing:.04em}
.fc ul{list-style:none;display:flex;flex-direction:column;gap:7px}
.fc li a{font-size:13px;color:rgba(255,255,255,.35);transition:color .2s}
.fc li a:hover{color:rgba(255,255,255,.8)}
.fl-bottom{border-top:1px solid rgba(255,255,255,.06);padding-top:20px;display:flex;justify-content:space-between;align-items:center;font-size:12px;color:rgba(255,255,255,.25)}
.fl-legal{display:flex;gap:16px}
.fl-legal a{color:rgba(255,255,255,.25);transition:color .2s}.fl-legal a:hover{color:rgba(255,255,255,.6)}

/* REVEAL ANIMATIONS */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .5s cubic-bezier(.4,0,.2,1),transform .5s cubic-bezier(.4,0,.2,1)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-child{opacity:0;transform:translateY(20px);transition:opacity .5s cubic-bezier(.4,0,.2,1),transform .5s cubic-bezier(.4,0,.2,1)}
.reveal-child.visible{opacity:1;transform:translateY(0)}
.reveal-child:nth-child(1){transition-delay:.05s}
.reveal-child:nth-child(2){transition-delay:.12s}
.reveal-child:nth-child(3){transition-delay:.19s}
.reveal-child:nth-child(4){transition-delay:.26s}

/* si-ic removed, using inline SVG */

/* PROMO */
.promo-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:20px}
.promo-main{background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:var(--r14);padding:32px;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.promo-tag{display:inline-block;padding:3px 12px;border-radius:100px;background:rgba(0,115,187,.08);color:#0073bb;font-size:11px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;border:1px solid rgba(0,115,187,.18);margin-bottom:16px}
.promo-main h3{font-size:22px;font-weight:800;color:var(--text);margin-bottom:10px;letter-spacing:-.02em}
.promo-main p{color:var(--text2);font-size:14px;line-height:1.8;margin-bottom:20px}
.promo-bullets{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.pb{background:#f8fafc;border:1px solid rgba(0,0,0,.07);border-radius:var(--r10);padding:14px}
.pb h4{font-size:13px;font-weight:700;color:var(--text);margin-bottom:4px}
.pb p{font-size:12.5px;color:var(--text2);line-height:1.6}
.promo-side{background:linear-gradient(160deg,#0d1117,#1a2332);border:1px solid rgba(255,255,255,.08);border-radius:var(--r14);padding:26px;display:flex;flex-direction:column}
.promo-side h3{font-size:19px;font-weight:800;color:#fff;margin-bottom:8px}
.promo-side p{color:var(--text2);font-size:13.5px;line-height:1.75;margin-bottom:14px}
.promo-side ul{list-style:none;display:flex;flex-direction:column;gap:8px;margin-bottom:20px;flex:1}
.promo-side li{font-size:13.5px;color:rgba(255,255,255,.65);display:flex;align-items:center;gap:7px}
.promo-side li::before{content:"";width:5px;height:5px;border-radius:50%;background:rgba(147,197,253,.5);flex-shrink:0}
.promo-acts{display:flex;flex-direction:column;gap:8px}
.promo-acts a{display:flex;align-items:center;justify-content:center;gap:7px;padding:11px;border-radius:var(--r6);font-size:13.5px;font-weight:700;color:#fff;transition:filter .2s}
.promo-acts a:hover{filter:brightness(1.12)}
.promo-acts a svg{width:14px;height:14px}

/* RESPONSIVE */
@media(max-width:1100px){
  .w{padding:0 28px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-inner>div:last-child{display:none}
  .g4,.tab-pane.active{grid-template-columns:repeat(2,1fr)}
  .tier-grid,.sc-grid{grid-template-columns:1fr 1fr}
  .about-grid{grid-template-columns:1fr}.about-grid>div:first-child{display:none}
  .cta-box{grid-template-columns:1fr;padding:40px 32px}.cta-acts{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr}
  .promo-grid{grid-template-columns:1fr}
  .migr-intro{grid-template-columns:1fr}.migr-intro>div:last-child{display:none}
  .pay-grid{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:768px){
  .w{padding:0 20px}.section{padding:60px 0}
  .nav-links{display:none}.nav-mob-toggle{display:block}
  .hero{padding:calc(var(--nav-h)+50px) 0 70px}.hero h1{font-size:36px}
  .g2,.g3,.g4,.sc-grid,.tier-grid,.stat-row,.case-grid,.migr-val,.as6-grid{grid-template-columns:1fr}
  .proc-grid{grid-template-columns:1fr 1fr}.proc-grid::before{display:none}
  .promo-bullets{grid-template-columns:1fr}
  .mv.full{grid-column:auto}
  .cta-box{padding:28px 22px}.cta-box h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr}.fl-bottom{flex-direction:column;gap:8px;text-align:center}
  .pay-grid{grid-template-columns:repeat(2,1fr)}
  .trust-row{gap:18px}
}


/* nav-right 已移除，导航纯净版 */
.nav-inner { justify-content: flex-start; }
.nav-links { flex: 1; }


/* ── AWS-style card hover glow border ── */
.card{position:relative;overflow:hidden;}
.card::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,#0073bb,#00a8e8,#0073bb);
  transform:scaleX(0);transform-origin:left;
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  border-radius:2px 2px 0 0;
}
.card:hover::before{transform:scaleX(1);}

.acard{position:relative;overflow:hidden;}
.acard::before{
  content:'';position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,#0073bb,#00a8e8);
  transform:scaleX(0);transform-origin:left;
  transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.acard:hover::before{transform:scaleX(1);}

/* sc-card AWS style: subtle glow on hover */
.sc-card{box-shadow:0 2px 8px rgba(0,0,0,.12);}
.sc-card:hover{box-shadow:0 0 0 2px rgba(0,115,187,.4),0 16px 48px rgba(0,0,0,.25);}

/* pay-card hover */
.pay-card{position:relative;overflow:hidden;}
.pay-card::before{
  content:'';position:absolute;bottom:0;left:0;right:0;height:3px;
  transform:scaleX(0);transition:transform .3s;
}
.pay-card:hover::before{transform:scaleX(1);}
.pay-card:nth-child(4)::before,.pay-card:nth-child(5)::before{background:#07C160;}
.pay-card:nth-child(6)::before{background:#003087;}
.pay-card:nth-child(7)::before{background:#26A17B;}

/* stat hover */
.stat-c:hover{box-shadow:0 4px 16px rgba(0,0,0,.08);}

/* section background striping (AWS-style alternating) */
.section{background:var(--page-bg);}
.section-alt{background:var(--page-alt);}


/* ═══ AWS-style 渐变光晕 hover 效果 ═══════════════════════════════
   原理：伪元素做一个渐变边框 + box-shadow glow，hover 时显现
   参照 AWS 官网 healthcare/finance 卡片的 cyan→blue 渐变描边
   ════════════════════════════════════════════════════════════════ */

/* 移除之前的简单 ::before top bar */
.card::before,.acard::before{ display:none !important; }

/* 统一卡片容器 */
.card,.acard,.pay-card,.stat-c,.tier,.case-c,.mv,.as6,.prod{
  border: 1px solid rgba(0,0,0,.08) !important;
  box-shadow: 0 1px 3px rgba(0,0,0,.05);
  transition: border-color .25s, box-shadow .3s cubic-bezier(.4,0,.2,1), transform .25s !important;
  position: relative;
}

/* hover: 渐变光晕描边 */
.card:hover,.acard:hover,.pay-card:hover,.stat-c:hover,.tier:hover,.case-c:hover,.mv:hover,.as6:hover,.prod:hover{
  border-color: transparent !important;
  /* 渐变描边用 box-shadow 叠加模拟 */
  box-shadow:
    0 0 0 1.5px #00b8d9,           /* cyan inner */
    0 0 0 2.5px #0073bb,           /* blue outer */
    0 0 16px 2px rgba(0,115,187,.18),  /* soft glow */
    0 6px 24px rgba(0,0,0,.09) !important;
  transform: translateY(-3px) !important;
}

/* sc-card(场景卡片) 也加发光 */
.sc-card:hover{
  box-shadow:
    0 0 0 2px #00b8d9,
    0 0 0 3.5px rgba(0,115,187,.5),
    0 0 24px 4px rgba(0,115,187,.2),
    0 12px 40px rgba(0,0,0,.25) !important;
}

/* featured tier 卡片 */
.tier.featured{
  border-color: transparent !important;
  box-shadow:
    0 0 0 1.5px #00b8d9,
    0 0 0 2.5px #0073bb,
    0 0 20px 3px rgba(0,115,187,.15) !important;
}
.tier.featured:hover{
  box-shadow:
    0 0 0 1.5px #00b8d9,
    0 0 0 3px #0073bb,
    0 0 28px 6px rgba(0,115,187,.22),
    0 8px 32px rgba(0,0,0,.12) !important;
}

/* pay-card hover 颜色随品牌 */
.pay-brand-alipay:hover{ box-shadow: 0 0 0 1.5px #1677FF, 0 0 0 2.5px rgba(22,119,255,.6), 0 0 16px 2px rgba(22,119,255,.15), 0 6px 20px rgba(0,0,0,.08) !important; }
.pay-brand-wechat:hover{ box-shadow: 0 0 0 1.5px #07C160, 0 0 0 2.5px rgba(7,193,96,.6), 0 0 16px 2px rgba(7,193,96,.15), 0 6px 20px rgba(0,0,0,.08) !important; }
.pay-brand-paypal:hover{ box-shadow: 0 0 0 1.5px #0070E0, 0 0 0 2.5px rgba(0,112,224,.6), 0 0 16px 2px rgba(0,112,224,.15), 0 6px 20px rgba(0,0,0,.08) !important; }
.pay-brand-tether:hover{ box-shadow: 0 0 0 1.5px #009393, 0 0 0 2.5px rgba(0,147,147,.6), 0 0 16px 2px rgba(0,147,147,.15), 0 6px 20px rgba(0,0,0,.08) !important; }
.pay-brand-bank:hover{ box-shadow: 0 0 0 1.5px #0073bb, 0 0 0 2.5px rgba(0,115,187,.5), 0 0 16px 2px rgba(0,115,187,.15), 0 6px 20px rgba(0,0,0,.08) !important; }
.pay-brand-usd:hover{ box-shadow: 0 0 0 1.5px #F5A623, 0 0 0 2.5px rgba(245,166,35,.5), 0 0 16px 2px rgba(245,166,35,.15), 0 6px 20px rgba(0,0,0,.08) !important; }

/* 内联 SVG 图标 在白底/深色背景的统一尺寸 */
.brand-svg-wrap{ display:flex;align-items:center;justify-content:center;width:100%;height:100%; }
.brand-svg-wrap svg,.brand-svg-wrap img{ max-width:100%;max-height:100%;display:block; }
.pay-svg-wrap{ display:flex;align-items:center;justify-content:center;height:40px;width:100%; }
.pay-svg-wrap svg{ max-height:36px;max-width:100%; }

/* keep hero and explicitly dark sections dark */
.section-dark,.section-dk2{background:var(--navy) !important;color:#e2e8f0 !important;}
.section-dark .sh h2,.section-dk2 .sh h2{color:#fff !important;}
.section-dark .sh-desc,.section-dk2 .sh-desc{color:rgba(255,255,255,.55) !important;}
.section-dark .sh-tag,.section-dk2 .sh-tag{background:rgba(0,115,187,.2);color:rgba(147,197,253,.9);border-color:rgba(0,115,187,.3);}
.section-dark .card,.section-dk2 .card{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.08);}
.section-dark .card h3,.section-dk2 .card h3{color:#fff;}
.section-dark .card::before,.section-dk2 .card::before{background:linear-gradient(90deg,rgba(0,115,187,.8),rgba(0,168,232,.8));}

/* ── INLINE SVG BRAND ICONS ── */
.brand-svg{display:inline-flex;align-items:center;justify-content:center;height:28px}
.brand-svg svg{height:100%;width:auto;max-width:120px}
.brand-aws svg{height:22px}
.brand-ali svg{height:24px}

.inline-svg{display:inline-flex;align-items:center;justify-content:center}
.inline-svg-ali svg,.inline-svg-aws svg{height:20px;width:auto;vertical-align:middle;margin-right:4px}

/* pay icons */
.pay-svg{display:flex;align-items:center;justify-content:center;height:36px}
.pay-svg svg{height:100%;width:auto;max-width:80px}
.pay-svg-alipay svg{height:32px}
.pay-svg-wechat svg{height:28px}
.pay-svg-paypal svg{height:26px}
.pay-svg-tether svg{height:28px}

/* AWS-style HOVER GLOW BORDER on cards */
/* removes old ::before bar, replaces with full gradient border glow */
.card::before,.acard::before{display:none!important}

.card,.acard,.pay-card,.stat-c,.tier,.case-c,.mv,.as6{
  position:relative;
  border-radius:var(--r12);
  border:1.5px solid transparent;
  background-clip:padding-box;
  transition:transform .22s cubic-bezier(.4,0,.2,1),
             box-shadow .22s cubic-bezier(.4,0,.2,1),
             border-color .22s;
}
.card:hover,.acard:hover,.pay-card:hover,.stat-c:hover,.tier:hover{
  border-color:transparent;
  box-shadow:
    0 0 0 1.5px rgba(0,115,187,.6),
    0 0 0 4px rgba(0,168,232,.15),
    0 8px 28px rgba(0,115,187,.12),
    0 2px 8px rgba(0,0,0,.06);
  transform:translateY(-3px);
}

/* AWS exact gradient border glow — using outline+box-shadow combo */
.card:hover{
  outline:1.5px solid transparent;
  box-shadow:
    0 0 0 1.5px #0073bb,
    0 0 12px 2px rgba(0,168,232,.25),
    0 8px 32px rgba(0,115,187,.1);
}
.acard:hover{
  box-shadow:
    0 0 0 1.5px #0073bb,
    0 0 12px 2px rgba(0,168,232,.2),
    0 6px 24px rgba(0,0,0,.07);
}
.pay-card:hover{
  box-shadow:
    0 0 0 2px #0073bb,
    0 0 16px 3px rgba(0,168,232,.3),
    0 4px 16px rgba(0,115,187,.08);
  transform:translateY(-3px);
}

/* sc-card: AWS industry card style */
.sc-card{
  border:1.5px solid rgba(0,0,0,.07);
  transition:box-shadow .25s,transform .3s,border-color .25s;
}
.sc-card:hover{
  border-color:transparent;
  box-shadow:
    0 0 0 2px #0073bb,
    0 0 20px 4px rgba(0,168,232,.35),
    0 16px 48px rgba(0,0,0,.18);
  transform:translateY(-5px);
}
/* Remove old dark ::before on cards */
.sc-card::before{display:none!important}

/* AWS-style card link arrow */
.card-arrow{
  display:inline-flex;align-items:center;gap:4px;
  font-size:13px;font-weight:600;color:#0073bb;
  margin-top:12px;transition:gap .2s;
}
.card:hover .card-arrow,.acard:hover .card-arrow{gap:8px}
<link rel="icon" type="image/svg+xml" href="data:image/svg+xml,%3Csvg%20id%3D%22dm-logo-black%22%20version%3D%221.0%22%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%20600%20328%22%20preserveAspectRatio%3D%22xMidYMid%20meet%22%3E%20%3Cg%20transform%3D%22translate%280.000000%2C328.000000%29%20scale%280.050000%2C-0.050000%29%22%20fill%3D%22%23000000%22%20stroke%3D%22none%22%3E%20%3Cpath%20d%3D%22M528%206075%20c7%20-25%2022%20-90%2032%20-145%2011%20-55%2047%20-203%2079%20-330%2066%20-255%20146%20-577%20242%20-970%2034%20-143%2094%20-386%20133%20-540%2084%20-335%20174%20-699%20210%20-850%20l26%20-110%20565%20-5%20c461%20-5%20565%20-1%20565%2021%200%2060%20-186%20863%20-362%201555%20-32%20128%20-58%20247%20-58%20265%200%2032%20114%2034%201560%2034%201107%200%201560%20-6%201560%20-22%200%20-12%20-18%20-90%20-39%20-175%20-21%20-84%20-44%20-184%20-51%20-223%20-7%20-38%20-38%20-178%20-70%20-310%20-32%20-132%20-86%20-361%20-120%20-510%20-34%20-148%20-88%20-378%20-120%20-510%20-33%20-132%20-64%20-271%20-71%20-310%20-6%20-38%20-38%20-182%20-71%20-320%20-34%20-137%20-88%20-367%20-121%20-510%20-33%20-143%20-80%20-341%20-103%20-440%20l-44%20-180%20-732%20-5%20-732%20-5%20-41%20165%20c-23%2091%20-56%20228%20-74%20305%20-18%2077%20-42%20174%20-53%20215%20l-20%2075%20-579%200%20-580%200%2013%20-55%20c7%20-30%2028%20-113%2048%20-185%2020%20-71%2079%20-301%20130%20-510%2051%20-209%20114%20-456%20139%20-550%2025%20-93%2057%20-219%2071%20-280%2014%20-60%2038%20-153%2054%20-205%20l28%20-95%201589%200%20c1255%200%201592%205%201598%2025%2015%2052%20110%20435%20172%20695%2035%20149%2095%20396%20132%20550%2038%20154%2095%20388%20126%20520%20156%20650%20310%201289%20380%201570%2032%20127%2069%20286%2082%20355%2030%20152%2048%20157%2079%2020%2039%20-172%20276%20-1147%20339%20-1395%2032%20-126%20117%20-468%20189%20-760%2072%20-291%20188%20-764%20259%20-1050%20l128%20-520%20686%200%20686%200%2023%20110%20c29%20137%2095%20397%20183%20717%2037%20135%2067%20257%2067%20270%200%2013%2027%20131%2062%20263%2060%20232%2088%20342%20246%20970%20119%20469%20186%20735%20250%20980%2032%20127%2075%20300%2094%20385%2047%20205%2046%20205%20136%20-170%2043%20-179%20106%20-442%20142%20-585%2035%20-143%2097%20-399%20138%20-570%2042%20-170%20101%20-413%20133%20-540%2031%20-126%2086%20-351%20121%20-500%2035%20-148%2088%20-369%20119%20-490%2030%20-121%2084%20-341%20120%20-490%2036%20-148%2072%20-290%2081%20-315%20l17%20-45%20572%200%20c535%200%20571%202%20561%2035%20-6%2019%20-20%2080%20-31%20135%20-12%2055%20-43%20186%20-71%20290%20-27%20105%20-104%20415%20-170%20690%20-67%20275%20-152%20622%20-190%20770%20-38%20149%20-124%20495%20-191%20770%20-67%20275%20-153%20626%20-192%20780%20-82%20324%20-161%20640%20-244%20980%20-33%20132%20-88%20353%20-123%20490%20-35%20138%20-68%20273%20-72%20300%20-5%2028%20-37%20156%20-72%20285%20l-63%20236%20-680%20-6%20-680%20-5%20-24%20-100%20c-13%20-55%20-62%20-244%20-108%20-420%20-46%20-176%20-136%20-527%20-201%20-780%20-65%20-253%20-155%20-604%20-201%20-780%20-47%20-176%20-96%20-371%20-109%20-433%20-14%20-62%20-48%20-197%20-76%20-300%20-54%20-201%20-184%20-710%20-218%20-857%20-33%20-135%20-48%20-135%20-75%204%20-14%2069%20-51%20225%20-82%20346%20-107%20414%20-177%20700%20-187%20760%20-6%2033%20-38%20164%20-70%20290%20-33%20127%20-88%20347%20-122%20490%20-67%20279%20-140%20571%20-241%20970%20-35%20138%20-70%20286%20-78%20330%20-8%2044%20-40%20172%20-71%20285%20l-56%20205%20-3119%200%20-3120%200%2013%20-45z%22/%3E%20%3C/g%3E%20%3C/svg%3E"/>
<link rel="icon" type="image/svg+xml" href="data:image/svg+xml,%3Csvg%20id%3D%22dm-logo-black%22%20version%3D%221.0%22%20xmlns%3D%22http%3A//www.w3.org/2000/svg%22%20viewBox%3D%220%200%20600%20328%22%20preserveAspectRatio%3D%22xMidYMid%20meet%22%3E%20%3Cg%20transform%3D%22translate%280.000000%2C328.000000%29%20scale%280.050000%2C-0.050000%29%22%20fill%3D%22%23000000%22%20stroke%3D%22none%22%3E%20%3Cpath%20d%3D%22M528%206075%20c7%20-25%2022%20-90%2032%20-145%2011%20-55%2047%20-203%2079%20-330%2066%20-255%20146%20-577%20242%20-970%2034%20-143%2094%20-386%20133%20-540%2084%20-335%20174%20-699%20210%20-850%20l26%20-110%20565%20-5%20c461%20-5%20565%20-1%20565%2021%200%2060%20-186%20863%20-362%201555%20-32%20128%20-58%20247%20-58%20265%200%2032%20114%2034%201560%2034%201107%200%201560%20-6%201560%20-22%200%20-12%20-18%20-90%20-39%20-175%20-21%20-84%20-44%20-184%20-51%20-223%20-7%20-38%20-38%20-178%20-70%20-310%20-32%20-132%20-86%20-361%20-120%20-510%20-34%20-148%20-88%20-378%20-120%20-510%20-33%20-132%20-64%20-271%20-71%20-310%20-6%20-38%20-38%20-182%20-71%20-320%20-34%20-137%20-88%20-367%20-121%20-510%20-33%20-143%20-80%20-341%20-103%20-440%20l-44%20-180%20-732%20-5%20-732%20-5%20-41%20165%20c-23%2091%20-56%20228%20-74%20305%20-18%2077%20-42%20174%20-53%20215%20l-20%2075%20-579%200%20-580%200%2013%20-55%20c7%20-30%2028%20-113%2048%20-185%2020%20-71%2079%20-301%20130%20-510%2051%20-209%20114%20-456%20139%20-550%2025%20-93%2057%20-219%2071%20-280%2014%20-60%2038%20-153%2054%20-205%20l28%20-95%201589%200%20c1255%200%201592%205%201598%2025%2015%2052%20110%20435%20172%20695%2035%20149%2095%20396%20132%20550%2038%20154%2095%20388%20126%20520%20156%20650%20310%201289%20380%201570%2032%20127%2069%20286%2082%20355%2030%20152%2048%20157%2079%2020%2039%20-172%20276%20-1147%20339%20-1395%2032%20-126%20117%20-468%20189%20-760%2072%20-291%20188%20-764%20259%20-1050%20l128%20-520%20686%200%20686%200%2023%20110%20c29%20137%2095%20397%20183%20717%2037%20135%2067%20257%2067%20270%200%2013%2027%20131%2062%20263%2060%20232%2088%20342%20246%20970%20119%20469%20186%20735%20250%20980%2032%20127%2075%20300%2094%20385%2047%20205%2046%20205%20136%20-170%2043%20-179%20106%20-442%20142%20-585%2035%20-143%2097%20-399%20138%20-570%2042%20-170%20101%20-413%20133%20-540%2031%20-126%2086%20-351%20121%20-500%2035%20-148%2088%20-369%20119%20-490%2030%20-121%2084%20-341%20120%20-490%2036%20-148%2072%20-290%2081%20-315%20l17%20-45%20572%200%20c535%200%20571%202%20561%2035%20-6%2019%20-20%2080%20-31%20135%20-12%2055%20-43%20186%20-71%20290%20-27%20105%20-104%20415%20-170%20690%20-67%20275%20-152%20622%20-190%20770%20-38%20149%20-124%20495%20-191%20770%20-67%20275%20-153%20626%20-192%20780%20-82%20324%20-161%20640%20-244%20980%20-33%20132%20-88%20353%20-123%20490%20-35%20138%20-68%20273%20-72%20300%20-5%2028%20-37%20156%20-72%20285%20l-63%20236%20-680%20-6%20-680%20-5%20-24%20-100%20c-13%20-55%20-62%20-244%20-108%20-420%20-46%20-176%20-136%20-527%20-201%20-780%20-65%20-253%20-155%20-604%20-201%20-780%20-47%20-176%20-96%20-371%20-109%20-433%20-14%20-62%20-48%20-197%20-76%20-300%20-54%20-201%20-184%20-710%20-218%20-857%20-33%20-135%20-48%20-135%20-75%204%20-14%2069%20-51%20225%20-82%20346%20-107%20414%20-177%20700%20-187%20760%20-6%2033%20-38%20164%20-70%20290%20-33%20127%20-88%20347%20-122%20490%20-67%20279%20-140%20571%20-241%20970%20-35%20138%20-70%20286%20-78%20330%20-8%2044%20-40%20172%20-71%20285%20l-56%20205%20-3119%200%20-3120%200%2013%20-45z%22/%3E%20%3C/g%3E%20%3C/svg%3E"/>
/* ── 浮动气泡 v4 ── */
.float-btns{position:fixed;right:24px;bottom:28px;z-index:600;display:flex;flex-direction:column;gap:16px}
.float-btn-wrap{position:relative;display:flex;align-items:center;justify-content:flex-end}

/* 光晕层 */
.float-ring{
  position:absolute;right:0;top:50%;
  width:56px;height:56px;
  transform:translateY(-50%);
  border-radius:50%;pointer-events:none;z-index:1;
}
.float-ring::before,.float-ring::after{
  content:'';position:absolute;
  inset:-8px;border-radius:50%;opacity:0;
  animation:fring-out 2.8s ease-out infinite;
}
.float-ring::after{animation-delay:1.4s}
.float-tg-ring::before,.float-tg-ring::after{
  background:radial-gradient(circle,rgba(34,158,217,.6) 30%,transparent 75%);
}
.float-wa-ring::before,.float-wa-ring::after{
  background:radial-gradient(circle,rgba(37,211,102,.6) 30%,transparent 75%);
}
@keyframes fring-out{
  0%{transform:scale(.85);opacity:.8}
  60%{opacity:.3}
  100%{transform:scale(1.9);opacity:0}
}

/* 圆形按钮 — 带呼吸缩放 */
.float-btn{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:center;
  width:56px;height:56px;border-radius:50%;color:#fff;
  flex-shrink:0;text-decoration:none;
  transition:box-shadow .2s;
}
.float-btn:hover{transform:scale(1.15) !important;animation:none !important;box-shadow:none !important}
.float-btn svg{width:24px;height:24px;position:relative;z-index:3}
.float-tg{
  background:var(--tg);
  box-shadow:0 4px 18px rgba(34,158,217,.5);
  animation:breathe-tg 2.8s ease-in-out infinite;
}
.float-wa{
  background:var(--wa);
  box-shadow:0 4px 18px rgba(37,211,102,.5);
  animation:breathe-wa 2.8s ease-in-out infinite;
  animation-delay:1.4s;
}
@keyframes breathe-tg{
  0%,100%{transform:scale(1);box-shadow:0 4px 18px rgba(34,158,217,.5)}
  50%{transform:scale(1.1);box-shadow:0 6px 28px rgba(34,158,217,.85)}
}
@keyframes breathe-wa{
  0%,100%{transform:scale(1);box-shadow:0 4px 18px rgba(37,211,102,.5)}
  50%{transform:scale(1.1);box-shadow:0 6px 28px rgba(37,211,102,.85)}
}

/* 右上角小红点 — 固定不动，跟随气泡呼吸 */
.float-dot{
  position:absolute;top:1px;right:1px;
  width:12px;height:12px;border-radius:50%;
  background:#ff3b30;border:2.5px solid #fff;
  z-index:4;pointer-events:none;
}

/* 悬停标签 */
.float-btn-label{
  position:absolute;right:68px;top:50%;
  transform:translateY(-50%) translateX(4px);
  background:rgba(13,17,23,.85);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:6px 13px;border-radius:20px;
  white-space:nowrap;opacity:0;pointer-events:none;
  transition:opacity .18s,transform .18s;
  box-shadow:0 2px 12px rgba(0,0,0,.3);
  backdrop-filter:blur(8px);
}
.float-btn-label::after{
  content:'';position:absolute;right:-6px;top:50%;transform:translateY(-50%);
  border:6px solid transparent;
  border-left-color:rgba(13,17,23,.85);border-right:none;
}
.float-btn-wrap:hover .float-btn-label{opacity:1;transform:translateY(-50%) translateX(0)}

/* 入场 */
.float-btn-wrap{animation:float-in .4s ease both}
.float-btn-wrap:nth-child(1){animation-delay:.05s}
.float-btn-wrap:nth-child(2){animation-delay:.2s}
@keyframes float-in{from{opacity:0}to{opacity:1}}

/* ── 云厂商品牌卡片 hover 颜色 ── */
.pay-brand-aws:hover{box-shadow:0 0 0 1.5px #FF9900,0 0 0 2.5px rgba(255,153,0,.5),0 0 16px 2px rgba(255,153,0,.12),0 6px 20px rgba(0,0,0,.08)!important}
.pay-brand-ali:hover{box-shadow:0 0 0 1.5px #ED6B1E,0 0 0 2.5px rgba(237,107,30,.5),0 0 16px 2px rgba(237,107,30,.12),0 6px 20px rgba(0,0,0,.08)!important}
.pay-brand-tencent:hover{box-shadow:0 0 0 1.5px #0052D9,0 0 0 2.5px rgba(0,82,217,.5),0 0 16px 2px rgba(0,82,217,.12),0 6px 20px rgba(0,0,0,.08)!important}
.pay-brand-huawei:hover{box-shadow:0 0 0 1.5px #CF0A2C,0 0 0 2.5px rgba(207,10,44,.5),0 0 16px 2px rgba(207,10,44,.12),0 6px 20px rgba(0,0,0,.08)!important}
.pay-brand-ctyun:hover{box-shadow:0 0 0 1.5px #0066CC,0 0 0 2.5px rgba(0,102,204,.5),0 0 16px 2px rgba(0,102,204,.12),0 6px 20px rgba(0,0,0,.08)!important}
.pay-brand-gcp:hover{box-shadow:0 0 0 1.5px #4285F4,0 0 0 2.5px rgba(66,133,244,.5),0 0 16px 2px rgba(66,133,244,.12),0 6px 20px rgba(0,0,0,.08)!important}
