/* =============================================
   小雲糖果屋 — Premium Dark Theme
   ============================================= */

/* Reset */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

/* Tokens */
:root{
    --bg:#0a0a0f;
    --bg2:#12121a;
    --bg3:#1a1a26;
    --surface:#16161f;
    --surface2:#1e1e2a;
    --border:rgba(255,255,255,.06);
    --border-hover:rgba(255,255,255,.12);
    --text:#e4e4e7;
    --text2:#a1a1aa;
    --text3:#71717a;
    --white:#fff;
    --line:#06C755;
    --tg:#2AABEE;
    --accent:#8b5cf6;
    --accent2:#a78bfa;
    --glow-accent:rgba(139,92,246,.15);
    --glow-line:rgba(6,199,85,.15);
    --glow-tg:rgba(42,171,238,.15);
    --r:12px;--r-lg:20px;
    --ease:cubic-bezier(.4,0,.2,1);
    --font:'Inter','Noto Sans TC',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
    --nav-h:60px;--bar-h:36px;--announce-h:40px;
}

/* Base */
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{
    font-family:var(--font);font-size:15px;line-height:1.65;color:var(--text);
    background:var(--bg);overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%;height:auto}
ul{list-style:none}
.w{max-width:1100px;margin:0 auto;padding:0 20px}

/* ===== Buttons ===== */
.btn{
    display:inline-flex;align-items:center;gap:7px;justify-content:center;
    padding:11px 24px;border-radius:10px;font-size:.8125rem;font-weight:600;
    font-family:var(--font);cursor:pointer;border:1.5px solid transparent;
    transition:all .25s var(--ease);white-space:nowrap;position:relative;
}
.btn:hover{transform:translateY(-2px)}
.btn:active{transform:translateY(0)}

.btn-dark{
    background:var(--white);color:var(--bg);border-color:var(--white);
}
.btn-dark:hover{box-shadow:0 4px 20px rgba(255,255,255,.15)}

.btn-line{
    background:var(--line);color:var(--white);border-color:var(--line);
}
.btn-line:hover{box-shadow:0 4px 24px var(--glow-line),0 0 0 1px rgba(6,199,85,.3)}

.btn-tg{
    background:var(--tg);color:var(--white);border-color:var(--tg);
}
.btn-tg:hover{box-shadow:0 4px 24px var(--glow-tg),0 0 0 1px rgba(42,171,238,.3)}

.btn-white{background:var(--white);color:var(--bg);border-color:var(--white)}
.btn-white:hover{background:var(--text);box-shadow:0 4px 20px rgba(255,255,255,.12)}

.btn-outline-w{
    background:rgba(255,255,255,.05);color:var(--white);border-color:rgba(255,255,255,.15);
    backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.btn-outline-w:hover{border-color:rgba(255,255,255,.35);background:rgba(255,255,255,.1)}

.btn-s{padding:7px 16px;font-size:.75rem}

/* ===== Header ===== */
.header{position:fixed;top:0;left:0;right:0;z-index:100}
.announce-bar{
    height:var(--announce-h);display:flex;align-items:center;
    background:linear-gradient(90deg,#06C755,#00b84d);
    font-size:.75rem;color:#fff;font-weight:600;
    overflow:hidden;
}
.announce-inner{
    display:flex;align-items:center;justify-content:center;gap:12px;
    width:100%;white-space:nowrap;
}
.announce-btn{
    display:inline-flex;align-items:center;gap:4px;
    padding:3px 12px;border-radius:20px;font-size:.7rem;font-weight:700;
    background:#fff;color:#06C755;transition:all .25s var(--ease);
}
.announce-btn:hover{background:#f0fff4;transform:scale(1.05)}
.topbar{
    height:var(--bar-h);display:flex;align-items:center;justify-content:center;
    background:linear-gradient(90deg,var(--accent),#6d28d9);
    font-size:.7rem;color:rgba(255,255,255,.85);letter-spacing:.3px;font-weight:500;
}
.nav{
    height:var(--nav-h);display:flex;align-items:center;
    background:rgba(10,10,15,.8);backdrop-filter:blur(24px) saturate(180%);-webkit-backdrop-filter:blur(24px) saturate(180%);
    border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;width:100%}
.logo{
    display:flex;align-items:center;
}
.logo-img{
    height:48px;width:auto;display:block;
}
.nav-links{display:flex;align-items:center;gap:2px}
.nav-links a{
    padding:6px 13px;font-size:.8125rem;font-weight:500;color:var(--text3);
    border-radius:8px;transition:color .2s,background .2s;
}
.nav-links a:hover{color:var(--white);background:rgba(255,255,255,.06)}
.nav-right{display:flex;align-items:center;gap:8px}
.burger{display:none;width:30px;height:30px;background:none;border:none;cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px}
.burger span{display:block;width:17px;height:1.5px;background:var(--text);transition:transform .3s var(--ease),opacity .2s}
.burger.active span:first-child{transform:rotate(45deg) translate(2.3px,2.3px)}
.burger.active span:last-child{transform:rotate(-45deg) translate(2.3px,-2.3px)}

/* ===== Hero ===== */
/* ===== Banner ===== */
.banner{
    position:relative;width:100%;height:calc(100vh - var(--nav-h) - var(--bar-h) - var(--announce-h));
    min-height:480px;max-height:800px;overflow:hidden;
    margin-top:calc(var(--nav-h) + var(--bar-h) + var(--announce-h));
}
.banner-slider{position:relative;width:100%;height:100%}
.banner-slide{
    position:absolute;inset:0;opacity:0;transition:opacity .8s var(--ease);
}
.banner-slide.active{opacity:1;z-index:1}
.banner-slide img{width:100%;height:100%;object-fit:cover;object-position:center center}
.banner-slide::after{
    content:'';position:absolute;inset:0;
    background:linear-gradient(to right,rgba(0,0,0,.65) 0%,rgba(0,0,0,.3) 50%,rgba(0,0,0,.05) 100%);
}
.banner-content{
    position:absolute;inset:0;z-index:2;
    display:flex;flex-direction:column;justify-content:center;
    padding:0 8%;max-width:640px;
}
.banner-content .badge{margin-bottom:18px;align-self:flex-start}
.badge{
    display:inline-block;padding:5px 14px;border-radius:50px;font-size:.7rem;font-weight:600;
    letter-spacing:.06em;text-transform:uppercase;
    color:var(--accent2);background:var(--glow-accent);
    border:1px solid rgba(139,92,246,.2);
}
.banner-content h1{
    font-size:clamp(2rem,5vw,3.6rem);font-weight:800;line-height:1.1;
    letter-spacing:-.03em;margin-bottom:18px;color:var(--white);
}
.banner-content p{font-size:1rem;line-height:1.7;color:rgba(255,255,255,.8);margin-bottom:28px}
.banner-cta{display:flex;gap:10px;flex-wrap:wrap}
.banner-arrow{
    position:absolute;top:50%;z-index:3;transform:translateY(-50%);
    width:44px;height:44px;border-radius:50%;border:1px solid rgba(255,255,255,.2);
    background:rgba(0,0,0,.3);color:var(--white);cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
    transition:all .2s var(--ease);opacity:0;
}
.banner:hover .banner-arrow{opacity:1}
.banner-arrow:hover{background:rgba(0,0,0,.6);border-color:rgba(255,255,255,.4)}
.banner-prev{left:20px}
.banner-next{right:20px}
.banner-dots{
    position:absolute;bottom:24px;left:50%;transform:translateX(-50%);z-index:3;
    display:flex;gap:10px;
}
.banner-dot{
    width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.35);
    border:none;cursor:pointer;transition:all .25s var(--ease);
}
.banner-dot.active{background:var(--white);transform:scale(1.3);box-shadow:0 0 10px rgba(255,255,255,.4)}

/* ===== Trust ===== */
.trust{
    padding:40px 0;
    border-top:1px solid var(--border);border-bottom:1px solid var(--border);
    background:var(--surface);
}
.trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.trust-item{text-align:center}
.trust-item strong{display:block;font-size:.8125rem;font-weight:700;color:var(--white);margin-bottom:3px}
.trust-item span{font-size:.75rem;color:var(--text3)}

/* ===== Sections ===== */
.sec{padding:88px 0}
.sec--alt{background:var(--bg2)}
.sec-head{max-width:480px;margin:0 auto 52px;text-align:center}
.sec-head h2{
    font-size:clamp(1.4rem,2.8vw,1.85rem);font-weight:800;letter-spacing:-.02em;
    margin-bottom:8px;
    background:linear-gradient(135deg,var(--white),var(--text2));
    -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.sec-head p{font-size:.875rem;color:var(--text3)}
.sec-cta{text-align:center;margin-top:44px}

/* ===== Brands ===== */
.brand-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.brand-card{
    display:flex;flex-direction:column;
    border-radius:var(--r);overflow:hidden;
    border:1px solid var(--border);background:var(--surface);
    transition:all .3s var(--ease);
}
.brand-card:hover{
    border-color:var(--border-hover);transform:translateY(-4px);
    box-shadow:0 12px 40px rgba(0,0,0,.3),0 0 0 1px rgba(255,255,255,.04);
    background:var(--surface2);
}
.brand-img{
    position:relative;width:100%;aspect-ratio:4/3;overflow:hidden;
    background:var(--bg3);display:flex;align-items:center;justify-content:center;
}
.brand-img img{
    width:100%;height:100%;object-fit:contain;padding:12px;
    transition:transform .4s var(--ease);
}
.brand-card:hover .brand-img img{transform:scale(1.06)}
.brand-card h3{font-size:.9rem;font-weight:700;color:var(--white);margin:0 0 4px}
.brand-card p{font-size:.75rem;color:var(--text3);line-height:1.5;margin:0}
.brand-body{padding:14px 16px 16px}


/* ===== CTA Banner ===== */
.cta-banner{
    padding:80px 0;text-align:center;position:relative;overflow:hidden;
    background:linear-gradient(135deg,#1a0533 0%,#0d1b2a 50%,#0a1628 100%);
}
.cta-banner::before{
    content:'';position:absolute;top:50%;left:50%;width:600px;height:600px;
    transform:translate(-50%,-50%);border-radius:50%;
    background:radial-gradient(circle,rgba(139,92,246,.12),transparent 70%);
    pointer-events:none;
}
.cta-inner{position:relative;z-index:1}
.cta-inner h2{
    font-size:clamp(1.4rem,2.8vw,1.85rem);font-weight:800;letter-spacing:-.02em;
    margin-bottom:12px;line-height:1.3;color:var(--white);
}
.cta-inner p{font-size:.875rem;color:var(--text3);margin-bottom:30px;max-width:440px;margin-left:auto;margin-right:auto}
.cta-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* ===== About ===== */
.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.about-text h2{
    font-size:clamp(1.4rem,2.8vw,1.85rem);font-weight:800;letter-spacing:-.02em;
    margin-bottom:14px;
    background:linear-gradient(135deg,var(--white),var(--text2));
    -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
}
.about-lead{font-size:.875rem;color:var(--text3);line-height:1.7;margin-bottom:22px}
.about-list{margin-bottom:28px}
.about-list li{padding:7px 0 7px 20px;font-size:.8125rem;color:var(--text2);position:relative}
.about-list li::before{
    content:'';position:absolute;left:0;top:50%;width:6px;height:6px;
    border-radius:50%;background:var(--accent);transform:translateY(-50%);
    box-shadow:0 0 8px var(--glow-accent);
}
.about-img{
    border-radius:var(--r-lg);overflow:hidden;
    border:1px solid var(--border);
    box-shadow:0 16px 48px rgba(0,0,0,.35);
}
.about-img img{width:100%;height:auto;object-fit:cover}

/* ===== FAQ ===== */
.faq-list{max-width:640px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:first-child{border-top:1px solid var(--border)}
.faq-item summary{
    padding:18px 0;font-size:.875rem;font-weight:600;cursor:pointer;
    display:flex;align-items:center;justify-content:space-between;
    list-style:none;color:var(--text2);transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
    content:'+';font-size:1.1rem;font-weight:300;color:var(--text3);
    transition:transform .25s var(--ease),color .2s;flex-shrink:0;margin-left:14px;
}
.faq-item:hover summary{color:var(--white)}
.faq-item[open] summary::after{transform:rotate(45deg);color:var(--accent)}
.faq-item[open] summary{color:var(--white)}
.faq-body{padding:0 0 18px}
.faq-body p{font-size:.8125rem;color:var(--text3);line-height:1.7}

/* ===== Contact ===== */
.contact-logos{display:flex;align-items:center;justify-content:center;gap:48px}
.contact-logo{
    display:flex;flex-direction:column;align-items:center;gap:10px;
    color:var(--text3);transition:all .3s var(--ease);
}
.contact-logo svg{
    width:64px;height:64px;padding:16px;border-radius:50%;
    background:var(--surface);border:1px solid var(--border);
    transition:all .3s var(--ease);
}
.contact-logo span{font-size:.8rem;font-weight:600}
.contact-logo:hover{transform:translateY(-5px)}
.contact-logo--line:hover{color:var(--line)}
.contact-logo--line:hover svg{background:var(--glow-line);border-color:rgba(6,199,85,.35);color:var(--line);box-shadow:0 8px 30px var(--glow-line)}
.contact-logo--tg:hover{color:var(--tg)}
.contact-logo--tg:hover svg{background:var(--glow-tg);border-color:rgba(42,171,238,.35);color:var(--tg);box-shadow:0 8px 30px var(--glow-tg)}
.contact-logo--shop:hover{color:var(--accent2)}
.contact-logo--shop:hover svg{background:var(--glow-accent);border-color:rgba(139,92,246,.35);color:var(--accent2);box-shadow:0 8px 30px var(--glow-accent)}

/* ===== Footer ===== */
.footer{
    background:var(--bg2);color:var(--text3);padding:60px 0 0;
    border-top:1px solid var(--border);
}
.footer-top{display:grid;grid-template-columns:1.8fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;border-bottom:1px solid var(--border)}
.footer-brand .logo{display:inline-block;margin-bottom:10px}
.footer-brand p{font-size:.75rem;line-height:1.7;margin-bottom:14px}
.footer-social{display:flex;gap:10px}
.footer-social a{
    width:34px;height:34px;border-radius:50%;
    background:rgba(255,255,255,.04);border:1px solid var(--border);
    display:flex;align-items:center;justify-content:center;color:var(--text3);
    transition:all .2s;
}
.footer-social a:hover{background:rgba(255,255,255,.1);border-color:var(--border-hover)}
.footer-social--line:hover{background:var(--glow-line) !important;color:var(--line) !important;border-color:rgba(6,199,85,.35) !important;box-shadow:0 0 16px var(--glow-line)}
.footer-social--tg:hover{background:var(--glow-tg) !important;color:var(--tg) !important;border-color:rgba(42,171,238,.35) !important;box-shadow:0 0 16px var(--glow-tg)}
.footer-social--shop:hover{background:var(--glow-accent) !important;color:var(--accent2) !important;border-color:rgba(139,92,246,.35) !important;box-shadow:0 0 16px var(--glow-accent)}
.footer-contact-logos{display:flex;gap:14px;margin-top:4px}
.footer-clogo{
    display:flex;flex-direction:column;align-items:center;gap:6px;
    color:var(--text3);transition:all .25s var(--ease);
}
.footer-clogo svg{
    width:42px;height:42px;padding:9px;border-radius:50%;
    background:rgba(255,255,255,.04);border:1px solid var(--border);
    transition:all .25s var(--ease);
}
.footer-clogo span{font-size:.65rem;font-weight:600}
.footer-clogo:hover{transform:translateY(-3px)}
.footer-clogo--line:hover{color:var(--line)}
.footer-clogo--line:hover svg{background:var(--glow-line);border-color:rgba(6,199,85,.35);color:var(--line);box-shadow:0 4px 16px var(--glow-line)}
.footer-clogo--tg:hover{color:var(--tg)}
.footer-clogo--tg:hover svg{background:var(--glow-tg);border-color:rgba(42,171,238,.35);color:var(--tg);box-shadow:0 4px 16px var(--glow-tg)}
.footer-clogo--shop:hover{color:var(--accent2)}
.footer-clogo--shop:hover svg{background:var(--glow-accent);border-color:rgba(139,92,246,.35);color:var(--accent2);box-shadow:0 4px 16px var(--glow-accent)}
.footer-col h4{color:var(--text2);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px}
.footer-col li{margin-bottom:7px}
.footer-col a{font-size:.75rem;transition:color .15s}
.footer-col a:hover{color:var(--white)}
.footer-bottom{padding:22px 0;text-align:center}
.footer-bottom p{font-size:.7rem;color:var(--text3)}
.footer-note{margin-top:3px;font-size:.625rem;opacity:.5}

/* ===== FAB ===== */
.fab{position:fixed;bottom:24px;right:24px;z-index:200;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.fab-menu{display:flex;flex-direction:column;gap:7px;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .25s var(--ease);pointer-events:none}
.fab.active .fab-menu{opacity:1;visibility:visible;transform:translateY(0);pointer-events:all}
.fab-btn{
    display:flex;align-items:center;gap:7px;padding:10px 16px;border-radius:50px;
    font-size:.75rem;font-weight:600;color:var(--white);white-space:nowrap;
    box-shadow:0 4px 16px rgba(0,0,0,.3);transition:transform .2s,box-shadow .2s;
    border:1px solid rgba(255,255,255,.1);
}
.fab-btn:hover{transform:translateX(-3px);box-shadow:0 6px 24px rgba(0,0,0,.4)}
.fab-btn--line{background:var(--line)}
.fab-btn--tg{background:var(--tg)}
.fab-btn--shop{background:var(--surface2);border-color:var(--border)}
.fab-toggle{
    width:50px;height:50px;border-radius:50%;
    background:linear-gradient(135deg,var(--accent),#7c3aed);
    color:var(--white);border:none;cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 4px 20px var(--glow-accent);
    transition:transform .2s,box-shadow .2s;
}
.fab-toggle:hover{transform:scale(1.08);box-shadow:0 6px 28px rgba(139,92,246,.3)}
.fab-ico-close{display:none}
.fab.active .fab-ico-open{display:none}
.fab.active .fab-ico-close{display:block}
.fab.active .fab-toggle{background:var(--surface2);box-shadow:0 4px 16px rgba(0,0,0,.3)}

/* ===== Back to top ===== */
.btt{
    position:fixed;bottom:24px;left:24px;width:38px;height:38px;border-radius:50%;
    background:var(--surface);border:1px solid var(--border);color:var(--text3);cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    opacity:0;visibility:hidden;transform:translateY(8px);
    transition:all .25s var(--ease);box-shadow:0 4px 12px rgba(0,0,0,.2);z-index:99;
}
.btt.visible{opacity:1;visibility:visible;transform:translateY(0)}
.btt:hover{border-color:var(--accent);color:var(--accent)}

/* ===== Mobile overlay ===== */
.nav-overlay{position:fixed;inset:0;z-index:99;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);opacity:0;visibility:hidden;transition:opacity .25s var(--ease);display:none}
.nav-overlay.active{opacity:1;visibility:visible;display:block}

/* ===== Scroll reveal ===== */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ===== Responsive ===== */
@media(max-width:1024px){
    .footer-top{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    :root{--nav-h:52px;--bar-h:32px;--announce-h:36px}
    .nav-links{
        position:fixed;top:0;right:-100%;width:260px;height:100dvh;
        background:var(--bg2);flex-direction:column;padding:64px 20px 20px;
        border-left:1px solid var(--border);box-shadow:-8px 0 30px rgba(0,0,0,.4);
        transition:right .25s var(--ease);z-index:101;align-items:stretch;gap:0;
    }
    .nav-links.active{right:0}
    .nav-links a{padding:12px 0;font-size:.9375rem;border-radius:0;border-bottom:1px solid var(--border)}
    .nav-links a:hover{background:none}
    .logo-img{height:38px}
    .burger{display:flex;z-index:102}
    .nav-right .btn{display:none}
    .banner{height:70vh;min-height:400px;max-height:600px}
    .banner-content{padding:0 6%;max-width:none}
    .banner-arrow{display:none}
    .banner-slide::after{
        background:linear-gradient(to top,rgba(0,0,0,.7) 0%,rgba(0,0,0,.35) 50%,rgba(0,0,0,.1) 100%);
    }
    .banner-content{justify-content:flex-end;padding-bottom:60px}
    .banner-content p{font-size:.875rem;margin-bottom:20px}
    .trust-row{grid-template-columns:repeat(2,1fr);gap:16px}
    .brand-grid{grid-template-columns:repeat(2,1fr)}
    .contact-logos{gap:32px}
    .about-layout{grid-template-columns:1fr;gap:32px}
    .footer-top{grid-template-columns:1fr;gap:28px}
    .cta-btns{flex-direction:column;align-items:center}
}
@media(max-width:480px){
    :root{--announce-h:32px}
    .announce-bar{font-size:.65rem}
    .announce-btn{font-size:.6rem;padding:2px 8px}
    .sec{padding:56px 0}
    .trust-row{grid-template-columns:1fr}
    .brand-grid{grid-template-columns:1fr}
    .banner{height:60vh;min-height:300px;max-height:480px}
    .banner-content h1{font-size:1.6rem}
    .banner-content p{font-size:.8rem;line-height:1.5}
    .banner-content{padding-bottom:50px}
    .banner-cta{flex-direction:column;align-items:stretch}
    .banner-cta .btn{justify-content:center}
    .banner-dots{bottom:16px;gap:8px}
    .logo-img{height:32px}
    .banner-dot{width:8px;height:8px}
}