/* ═══════════════════════════════════════════
   SoulLens 灵镜 — Shared Styles
   ═══════════════════════════════════════════ */
:root{
  --bg:#000;--s1:#080808;--s2:#0f0f0f;--s3:#171717;
  --b:rgba(255,255,255,0.07);--bH:rgba(255,255,255,0.13);
  --t1:#f0f0f0;--t2:#999;--t3:#555;
  --acc:#5b5ef7;--acc2:#818cf8;--accG:rgba(91,94,247,0.18);
  --grn:#07c160;--blu:#12b7f5;--amb:#f59e0b;--ros:#f062a6;
  --r-sm:8px;--r:14px;--r-lg:22px;
  --font:'Inter','Noto Sans SC',system-ui,sans-serif;
}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font);background:var(--bg);color:var(--t1);line-height:1.65;overflow-x:hidden}
::selection{background:var(--acc);color:#fff}

/* ── Layout ── */
#bg-canvas{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:0;pointer-events:none;opacity:0.7}
.wrap{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column}
.ctr{max-width:1200px;margin:0 auto;padding:0 40px}
section{padding:100px 0}
.tg{display:inline-block;font-size:0.7rem;font-weight:600;letter-spacing:2.5px;text-transform:uppercase;color:var(--acc2);margin-bottom:14px}
.h2{font-size:clamp(1.8rem,3vw,2.4rem);font-weight:800;letter-spacing:-1px;line-height:1.16;margin-bottom:14px}
.h2 em{font-style:normal;color:var(--acc2)}
.sub{color:var(--t2);font-size:1rem;max-width:520px;line-height:1.7}
.mx{text-align:center}.mx .sub{margin:0 auto}

/* ── Nav ── */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 40px;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);background:rgba(0,0,0,0.5);border-bottom:1px solid var(--b)}
.nav-b{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--t1);font-weight:700;font-size:1.05rem;letter-spacing:-0.3px}
.nav-b .dot{width:24px;height:24px;border-radius:50%;background:var(--acc);box-shadow:0 0 20px var(--accG)}
.nav-ls{display:flex;gap:24px;list-style:none;align-items:center}
.nav-ls a{color:var(--t2);text-decoration:none;font-size:0.82rem;font-weight:450;transition:color .2s}
.nav-ls a:hover,.nav-ls a.active{color:var(--t1)}
.nav-ls a.active{font-weight:600;color:var(--acc2)}
.nav-cta{padding:8px 22px;border-radius:100px;background:var(--t1);color:#000;font-weight:600;font-size:0.82rem;text-decoration:none;transition:opacity .2s}
.nav-cta:hover{opacity:0.85}

/* ── Buttons ── */
.btn1{padding:13px 30px;border-radius:100px;background:var(--t1);color:#000;font-weight:600;font-size:0.9rem;text-decoration:none;transition:opacity .2s;display:inline-flex;align-items:center;gap:6px}
.btn1:hover{opacity:0.85}
.btn2{padding:13px 30px;border-radius:100px;background:transparent;color:var(--t1);font-weight:500;font-size:0.9rem;text-decoration:none;border:1px solid var(--b);transition:border-color .2s}
.btn2:hover{border-color:var(--bH)}
.btn-accent{padding:13px 30px;border-radius:100px;background:var(--acc);color:#fff;font-weight:600;font-size:0.9rem;text-decoration:none;transition:opacity .2s;display:inline-flex;align-items:center;gap:6px}
.btn-accent:hover{opacity:0.9}
.btn-xl{padding:16px 40px;font-size:1rem;gap:8px}
.btn-sub{width:100%;padding:13px;border-radius:100px;background:var(--t1);color:#000;font-weight:600;font-size:0.9rem;border:none;cursor:pointer;transition:opacity .2s;margin-top:4px}
.btn-sub:hover{opacity:.85}.btn-sub:disabled{opacity:.4;cursor:not-allowed}

/* ── Glassmorphism ── */
.glass{background:rgba(15,15,18,0.55);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,0.08)}
.glass-card{background:rgba(18,18,22,0.5);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,0.06);border-radius:var(--r-lg);transition:all .4s cubic-bezier(.25,.8,.25,1.2)}
.glass-card:hover{background:rgba(22,22,28,0.65);border-color:rgba(255,255,255,0.12);transform:translateY(-6px);box-shadow:0 24px 48px rgba(0,0,0,0.5),0 0 0 1px rgba(91,94,247,0.15) inset}
.gradient-text{background:linear-gradient(135deg,var(--acc2),var(--ros),var(--amb));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* ── Cards ── */
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
.g2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:48px}
.card{background:var(--s2);border:1px solid var(--b);border-radius:var(--r-lg);padding:36px 28px;transition:all .35s}
.card:hover{border-color:var(--bH);transform:translateY(-4px);background:var(--s3)}
.card .c-num{font-size:0.7rem;color:var(--t3);font-weight:600;margin-bottom:12px;letter-spacing:1px}
.card .c-icon{width:44px;height:44px;border-radius:var(--r-sm);margin-bottom:16px;display:flex;align-items:center;justify-content:center}
.card .c-icon.a1{background:rgba(91,94,247,0.12);color:var(--acc2)}
.card .c-icon.a2{background:rgba(245,158,11,0.12);color:var(--amb)}
.card .c-icon.a3{background:rgba(7,193,96,0.12);color:var(--grn)}
.card h3{font-size:1rem;font-weight:700;margin-bottom:8px;letter-spacing:-0.3px}
.card p{color:var(--t2);font-size:0.85rem;line-height:1.7}

/* ── Chat Bubbles (mini) ── */
.chat-v{display:flex;flex-direction:column;gap:6px;padding:10px;background:var(--s3);border-radius:var(--r-sm);margin-top:16px}
.chat-v .b{max-width:78%;padding:8px 12px;border-radius:10px;font-size:0.7rem;line-height:1.4}
.chat-v .b.l{background:var(--s1);color:var(--t2);align-self:flex-start;border-bottom-left-radius:2px}
.chat-v .b.r{background:rgba(91,94,247,0.22);color:#d4d0ff;align-self:flex-end;border-bottom-right-radius:2px}
.chat-v .b.t{background:var(--s1);color:var(--t3);width:50px;padding:6px 10px;border-radius:10px;align-self:flex-start;display:flex;gap:3px}
.chat-v .b.t span{width:4px;height:4px;border-radius:50%;background:var(--t3);animation:blink 1.4s infinite}
.chat-v .b.t span:nth-child(2){animation-delay:.2s}.chat-v .b.t span:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.3}30%{opacity:1}}
.prof-v{display:flex;gap:10px;align-items:center;padding:12px;background:var(--s3);border-radius:var(--r-sm);margin-top:16px}
.prof-v .av{width:34px;height:34px;border-radius:50%;flex-shrink:0}
.prof-v .av.c1{background:linear-gradient(135deg,var(--acc2),var(--acc))}
.prof-v .av.c2{background:linear-gradient(135deg,var(--amb),#fbbf24)}
.prof-v .meta .n{font-size:0.76rem;font-weight:600;color:var(--t1)}.prof-v .meta .t{font-size:0.68rem;color:var(--t3)}
.wave-v{display:flex;align-items:flex-end;gap:2px;height:45px;padding:10px;background:var(--s3);border-radius:var(--r-sm);margin-top:16px}
.wave-v .bar{flex:1;border-radius:1px;background:var(--grn);animation:wave 1.2s ease-in-out infinite}
.wave-v .bar:nth-child(odd){animation-delay:.2s;opacity:.7}
.wave-v .bar:nth-child(1){height:60%}.wave-v .bar:nth-child(2){height:90%}.wave-v .bar:nth-child(3){height:40%}.wave-v .bar:nth-child(4){height:100%}.wave-v .bar:nth-child(5){height:55%}.wave-v .bar:nth-child(6){height:80%}.wave-v .bar:nth-child(7){height:35%}.wave-v .bar:nth-child(8){height:70%}.wave-v .bar:nth-child(9){height:50%}.wave-v .bar:nth-child(10){height:85%}.wave-v .bar:nth-child(11){height:45%}.wave-v .bar:nth-child(12){height:65%}
@keyframes wave{0%,100%{transform:scaleY(.6)}50%{transform:scaleY(1)}}

/* ── Process ── */
.proc-g{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--b);border-radius:var(--r-lg);overflow:hidden;margin-top:48px}
.proc{background:var(--s2);padding:32px 20px;text-align:center;transition:background .3s}
.proc:hover{background:var(--s3)}
.proc .step{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--accG);color:var(--acc2);font-weight:700;font-size:0.82rem;margin-bottom:12px;transition:all .3s}
.proc:hover .step{background:var(--acc);color:#fff}
.proc h4{font-size:0.88rem;font-weight:700;margin-bottom:6px}
.proc p{color:var(--t2);font-size:0.78rem;line-height:1.6}

/* ── Plans ── */
.plan-g{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--b);border-radius:var(--r-lg);overflow:hidden;max-width:900px;margin:48px auto 0}
.plan{background:var(--s2);padding:40px 34px;transition:background .3s}
.plan:hover{background:var(--s3)}
.plan.featured{background:linear-gradient(180deg,var(--s2),rgba(91,94,247,0.04));border-left:1px solid var(--b)}
.plan-badge{display:inline-block;padding:2px 12px;border-radius:100px;font-size:0.66rem;font-weight:600;letter-spacing:.8px;background:var(--accG);color:var(--acc2);margin-bottom:14px}
.plan-name{font-size:0.9rem;color:var(--t2);margin-bottom:8px}
.plan-price{font-size:2.2rem;font-weight:900;letter-spacing:-1.5px;margin-bottom:6px}
.plan-price span{font-size:0.82rem;font-weight:500;color:var(--t3)}
.plan-desc{color:var(--t2);font-size:0.84rem;margin-bottom:26px}
.plan-fts{list-style:none;margin-bottom:30px}
.plan-fts li{padding:5px 0;font-size:0.84rem;color:var(--t2);display:flex;align-items:center;gap:8px}
.plan-fts li::before{content:'';width:5px;height:5px;border-radius:50%;background:var(--acc2);flex-shrink:0;opacity:.7}
.plan-btn{display:inline-block;padding:10px 26px;border-radius:100px;font-weight:600;font-size:0.85rem;text-decoration:none;transition:all .2s}
.plan:not(.featured) .plan-btn{background:var(--t1);color:#000}
.plan:not(.featured) .plan-btn:hover{opacity:.85}
.plan.featured .plan-btn{background:var(--acc);color:#fff}
.plan.featured .plan-btn:hover{opacity:.9}

/* ── Platforms ── */
.plat-g2{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:780px;margin:0 auto}
.plat{background:var(--s2);border:1px solid var(--b);border-radius:var(--r-lg);padding:32px 28px;transition:all .35s;display:flex;gap:22px;align-items:center}
.plat:hover{border-color:var(--bH);transform:translateY(-4px)}
.plat .p-icon{flex-shrink:0;width:60px;height:60px;border-radius:14px;display:flex;align-items:center;justify-content:center}
.plat .p-icon img{width:52%;height:52%;object-fit:contain}
.plat.wechat .p-icon{background:rgba(7,193,96,.08)}
.plat.qq .p-icon{background:rgba(18,183,245,.08)}
.plat .p-info h4{font-size:1.05rem;font-weight:700;margin-bottom:4px}
.plat .p-info p{color:var(--t2);font-size:0.82rem;line-height:1.6;margin-bottom:10px}
.plat-tags{display:flex;gap:5px;flex-wrap:wrap}
.plat-tags span{padding:2px 10px;border-radius:100px;font-size:0.66rem;background:var(--s3);color:var(--t2);border:1px solid var(--b)}

/* ── FAQ ── */
.faq-list{max-width:740px;margin:48px auto 0;display:flex;flex-direction:column;gap:1px;background:var(--b);border-radius:var(--r-lg);overflow:hidden}
.faq-item{background:var(--s2);transition:background .3s}
.faq-item:hover{background:var(--s3)}
.faq-q{padding:20px 28px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:0.9rem;user-select:none}
.faq-q::after{content:'+';font-size:1.2rem;color:var(--t3);transition:transform .3s;flex-shrink:0;margin-left:14px}
.faq-item.open .faq-q::after{content:'−';color:var(--acc2)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease,padding .4s ease;padding:0 28px;color:var(--t2);font-size:0.84rem;line-height:1.7}
.faq-item.open .faq-a{max-height:200px;padding:0 28px 18px}

/* ── Contact Form ── */
.contact-box{max-width:560px;margin:0 auto;background:var(--s2);border:1px solid var(--b);border-radius:var(--r-lg);padding:44px 40px}
.f-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fg{margin-bottom:18px}.fg.full{grid-column:1/-1}
.fg label{display:block;margin-bottom:4px;font-size:0.78rem;font-weight:500;color:var(--t2)}
.fg label .req{color:#ef4444}
.fi,.ft,.fs{width:100%;padding:11px 14px;border-radius:var(--r-sm);background:var(--s3);border:1px solid var(--b);color:var(--t1);font-size:0.88rem;font-family:inherit;transition:border-color .2s,box-shadow .2s;outline:none}
.fi:focus,.ft:focus,.fs:focus{border-color:var(--acc);box-shadow:0 0 0 3px var(--accG)}
.ft{resize:vertical;min-height:90px}
.fs{appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23555'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
.form-msg{margin-top:14px;padding:10px 14px;border-radius:var(--r-sm);font-size:0.82rem;display:none}
.form-msg.show{display:block}
.form-msg.ok{background:rgba(34,197,94,.06);color:#22c55e}
.form-msg.err{background:rgba(239,68,68,.06);color:#ef4444}
.form-msg.info{background:var(--accG);color:var(--acc2)}

/* ── Stats ── */
.stats-enhanced{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;max-width:1000px;margin:0 auto}
.stat-card{text-align:center;padding:28px 16px;background:rgba(12,12,18,0.6);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,0.05);border-radius:var(--r-lg);transition:all .4s}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(91,94,247,0.25);box-shadow:0 16px 40px rgba(0,0,0,0.4)}
.stat-card .stat-icon{width:44px;height:44px;margin:0 auto 10px;display:flex;align-items:center;justify-content:center;color:var(--acc2)}
.stat-card .stat-val{font-size:2rem;font-weight:900;letter-spacing:-1px;margin-bottom:4px}
.stat-card .stat-lbl{color:var(--t3);font-size:0.75rem;text-transform:uppercase;letter-spacing:1px}

/* ── Features ── */
.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;max-width:900px;margin:48px auto 0}
.feat-item{display:flex;gap:16px;align-items:flex-start;padding:24px;background:rgba(15,15,20,0.45);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,0.05);border-radius:var(--r-lg);transition:all .4s}
.feat-item:hover{background:rgba(20,20,28,0.6);border-color:rgba(255,255,255,0.1);transform:translateY(-4px);box-shadow:0 20px 40px rgba(0,0,0,0.4)}
.feat-item .f-icon{flex-shrink:0;width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center}
.feat-item .f-icon.c1{background:rgba(91,94,247,0.15);color:var(--acc2)}
.feat-item .f-icon.c2{background:rgba(7,193,96,0.12);color:var(--grn)}
.feat-item .f-icon.c3{background:rgba(245,158,11,0.12);color:var(--amb)}
.feat-item .f-icon.c4{background:rgba(240,98,166,0.12);color:var(--ros)}
.feat-item .f-icon.c5{background:rgba(18,183,245,0.12);color:var(--blu)}
.feat-item .f-icon.c6{background:rgba(168,130,255,0.12);color:#a882ff}
.feat-item h4{font-size:0.95rem;font-weight:700;margin-bottom:4px}
.feat-item p{color:var(--t2);font-size:0.8rem;line-height:1.6}

/* ── Tech Stack ── */
.tech-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;max-width:900px;margin:48px auto 0}
.tech-item{display:flex;flex-direction:column;align-items:center;gap:8px;padding:20px 12px;background:rgba(15,15,20,0.5);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,0.05);border-radius:var(--r);transition:all .35s}
.tech-item:hover{background:rgba(20,20,28,0.7);border-color:rgba(91,94,247,0.2);transform:translateY(-3px)}
.tech-item .t-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center}
.tech-item .t-name{font-size:0.78rem;font-weight:600;color:var(--t1)}
.tech-item .t-desc{font-size:0.66rem;color:var(--t3);text-align:center;line-height:1.4}

/* ── Trust ── */
.trust-strip{display:flex;gap:32px;justify-content:center;align-items:center;flex-wrap:wrap;padding:32px 0}
.trust-badge{display:flex;align-items:center;gap:8px;padding:8px 16px;background:rgba(15,15,20,0.4);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,0.05);border-radius:100px;font-size:0.72rem;color:var(--t2);transition:all .3s}
.trust-badge:hover{border-color:rgba(255,255,255,0.12);color:var(--t1)}
.trust-badge .t-dot{width:6px;height:6px;border-radius:50%;background:var(--grn);flex-shrink:0}

/* ── Demo Chatbot ── */
.demo-box{max-width:720px;margin:0 auto;background:var(--s2);border:1px solid var(--b);border-radius:var(--r-lg);overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,0.5)}
.demo-header{display:flex;align-items:center;gap:10px;padding:14px 20px;background:var(--s3);border-bottom:1px solid var(--b)}
.demo-header .d-dot{width:10px;height:10px;border-radius:50%;flex-shrink:0}
.demo-header .d-dot:nth-child(1){background:#ef4444}.demo-header .d-dot:nth-child(2){background:#f59e0b}.demo-header .d-dot:nth-child(3){background:#22c55e}
.demo-header .d-title{flex:1;text-align:center;font-size:0.78rem;color:var(--t3);margin-right:40px}
.demo-status{display:flex;align-items:center;gap:6px;font-size:0.7rem;color:var(--t3)}
.demo-status .badge{padding:2px 10px;border-radius:100px;font-size:0.66rem;font-weight:600;background:var(--accG);color:var(--acc2)}
.demo-status .badge.warn{background:rgba(245,158,11,0.15);color:var(--amb)}
.demo-body{padding:16px 20px;min-height:300px;max-height:420px;overflow-y:auto;display:flex;flex-direction:column;gap:10px;scroll-behavior:smooth}
.demo-body .msg{max-width:82%;padding:9px 14px;border-radius:14px;font-size:0.84rem;line-height:1.55;animation:msgIn .35s ease-out;word-break:break-word}
.demo-body .msg.ai{align-self:flex-start;background:var(--s3);color:var(--t2);border-bottom-left-radius:4px}
.demo-body .msg.user{align-self:flex-end;background:rgba(91,94,247,0.2);color:#d4d0ff;border-bottom-right-radius:4px}
.demo-body .msg.typing{align-self:flex-start;background:var(--s3);padding:8px 16px;display:flex;gap:3px;align-items:center}
.demo-body .msg.typing span{width:5px;height:5px;border-radius:50%;background:var(--t3);animation:blink 1.4s infinite}
.demo-body .msg.typing span:nth-child(2){animation-delay:.2s}.demo-body .msg.typing span:nth-child(3){animation-delay:.4s}
.demo-body .msg.sys{align-self:center;background:transparent;color:var(--t3);font-size:0.72rem;text-align:center;max-width:95%}
@keyframes msgIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.demo-foot{display:flex;gap:8px;padding:12px 20px;border-top:1px solid var(--b);background:var(--s3)}
.demo-foot input{flex:1;padding:10px 16px;border-radius:100px;background:var(--s1);border:1px solid var(--b);color:var(--t1);font-size:0.84rem;outline:none;font-family:inherit}
.demo-foot input:focus{border-color:var(--acc)}.demo-foot input:disabled{opacity:.5}
.demo-foot button{padding:10px 22px;border-radius:100px;background:var(--acc);color:#fff;font-weight:600;font-size:0.82rem;border:none;cursor:pointer}
.demo-foot button:hover{opacity:.85}.demo-foot button:disabled{opacity:.5;cursor:not-allowed}
.demo-presets{display:flex;gap:6px;flex-wrap:wrap;padding:0 20px 10px}
.demo-presets button{padding:4px 12px;border-radius:100px;border:1px solid var(--b);background:transparent;color:var(--t2);font-size:0.7rem;cursor:pointer;font-family:inherit;transition:all .2s}
.demo-presets button:hover{border-color:var(--acc);color:var(--acc2);background:var(--accG)}

/* ── Hero (landing) ── */
.hero-page{min-height:100vh;display:flex;align-items:center}
.hero-page .hero-g{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-page h1{font-size:clamp(2.5rem,5vw,4rem);font-weight:900;line-height:1.05;letter-spacing:-2.5px;margin-bottom:20px}
.hero-page h1 .cn{display:block;font-size:0.6em;font-weight:700;letter-spacing:-0.3px;color:var(--t2);margin-bottom:6px}
.hero-page h1 .en{background:linear-gradient(135deg,var(--t1) 20%,var(--acc2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-page p{color:var(--t2);font-size:1rem;line-height:1.7;margin-bottom:36px;max-width:460px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ── Page Hero (subpages) ── */
.page-hero{padding:140px 0 80px;text-align:center}
.page-hero h1{font-size:clamp(2rem,4vw,3rem);font-weight:900;letter-spacing:-1.5px;margin-bottom:16px}
.page-hero h1 em{font-style:normal;color:var(--acc2)}
.page-hero .sub{max-width:560px;margin:0 auto}

/* ── Scroll & Back-to-top ── */
#scroll-bar{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--acc),var(--acc2));z-index:999;border-radius:0 2px 2px 0;transition:width .12s linear}
#back-top{position:fixed;bottom:32px;right:32px;z-index:200;width:44px;height:44px;border-radius:50%;background:var(--s2);border:1px solid var(--b);color:var(--t2);cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(12px);transition:all .35s}
#back-top.show{opacity:1;visibility:visible;transform:translateY(0)}
#back-top:hover{background:var(--s3);border-color:var(--bH);color:var(--t1)}
#back-top svg{width:18px;height:18px}

/* ── Footer ── */
.ftr{border-top:1px solid var(--b);padding:36px 40px;display:flex;justify-content:center;align-items:center;color:var(--t3);font-size:0.78rem;gap:24px;flex-wrap:wrap;margin-top:auto}
.ftr a{color:var(--t2);text-decoration:none}.ftr a:hover{color:var(--t1)}

/* ── Animations ── */
.fade{opacity:0;transform:translateY(20px);transition:opacity .7s ease-out,transform .7s ease-out}
.fade.on{opacity:1;transform:translateY(0)}

/* ── Responsive ── */
@media(max-width:900px){
  .hero-page .hero-g,.hero-g{grid-template-columns:1fr;gap:32px}
  .g3,.g2,.feat-grid{grid-template-columns:1fr}
  .proc-g,.plan-g{grid-template-columns:1fr}
  .plan.featured{border-left:none;border-top:1px solid var(--b)}
  .plat-g2{grid-template-columns:1fr}.plat{flex-direction:column;text-align:center;align-items:center}
  .f-row{grid-template-columns:1fr}
  .stats-enhanced{grid-template-columns:repeat(2,1fr)}
  .tech-grid{grid-template-columns:repeat(3,1fr)}
  .trust-strip{gap:16px}
  .nav-ls{display:none}section{padding:80px 0}.ctr{padding:0 20px}
  .nav{padding:0 20px}
  .hero-page .hero-3d{height:300px}
  .page-hero{padding:120px 0 60px}
}