@import url("colors_and_type.css");
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ink-50);color:var(--ink-900);font-family:var(--font-sans);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:var(--color-red);text-decoration:none}a:hover{color:var(--red-700)}
img{max-width:100%;display:block}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.015em;line-height:1.2;text-wrap:pretty}
p{margin:0;text-wrap:pretty}
.wrap{max-width:1160px;margin:0 auto;padding:0 32px}
.eyebrow{font-size:13px;font-weight:400;letter-spacing:.18em;text-transform:uppercase;color:var(--color-red)}
.muted{color:var(--ink-600);font-weight:300}
.ast{color:var(--color-lime);display:inline-block;transform:rotate(-8deg);-webkit-text-stroke:1px var(--ink-900)}
/* nav */
.nav{position:sticky;top:0;z-index:10;background:rgba(247,246,243,.92);backdrop-filter:blur(8px);border-bottom:1px solid rgba(26,26,25,.1)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.nav .logo{display:flex;align-items:center}.nav .logo img{height:54px}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:32px;flex-wrap:wrap;align-items:center}
.nav a{color:var(--ink-900);font-size:14px;letter-spacing:.04em;padding:6px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current]{color:var(--color-red);border-color:var(--color-red)}
.nav .cta{background:var(--color-red);color:#fff;padding:0 22px;height:40px;display:inline-flex;align-items:center;border-radius:999px;font-size:14px;border:0}
.nav .cta:hover{background:var(--red-700);color:#fff}
/* sections */
.section{padding:96px 0}
.section+.section{border-top:1px solid rgba(26,26,25,.1)}
.head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:48px;align-items:end;margin-bottom:48px}
.head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3}
.head .lede{font-size:clamp(14px,1.25vw,16px);line-height:1.8}
@media(max-width:820px){.head{grid-template-columns:1fr;gap:16px}}
/* hero */
.hero{padding:96px 0 64px;position:relative;overflow:hidden}
.hero h1{font-size:clamp(30px,3.8vw,48px);line-height:1.3;letter-spacing:-0.02em;max-width:24ch}
.hero .lede{font-size:clamp(14px,1.25vw,16px);line-height:1.8;max-width:40em;margin-top:24px}
.hero .actions{display:flex;gap:16px;margin-top:40px;flex-wrap:wrap}
.mark{position:fixed;right:4vw;bottom:6vh;width:clamp(72px,9vw,140px);z-index:0;pointer-events:none;opacity:.9}.mark img{width:100%}
body>*:not(.mark){position:relative;z-index:1}.nav{z-index:10}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;font-size:15px;font-weight:700;transition:all .22s var(--ease-out)}
.btn-red{background:var(--color-red);color:#fff;box-shadow:var(--shadow-brand)}.btn-red:hover{background:var(--red-700);color:#fff}
.btn-ghost{border:1px solid var(--ink-900);color:var(--ink-900)}.btn-ghost:hover{background:var(--ink-900);color:#fff}
/* strap */
.strap{border-top:1px solid rgba(26,26,25,.1);border-bottom:1px solid rgba(26,26,25,.1);padding:20px 0}
.strap .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:13px;letter-spacing:.18em;text-transform:uppercase}
.strap span{display:flex;align-items:center;gap:12px}
.strap span::before{content:"";width:9px;height:9px;border-radius:999px;background:var(--color-lime);border:1px solid var(--ink-900)}
/* grids */
.grid{display:grid;gap:32px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(3,minmax(0,1fr))}.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:900px){.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}}
.item{padding-top:20px;border-top:1px solid rgba(26,26,25,.2)}
.item .n{display:inline-block;font-size:12px;letter-spacing:.14em;color:var(--ink-900);background:var(--color-lime);padding:3px 10px;border-radius:999px;margin-bottom:16px}
.item h3{font-size:clamp(17px,1.6vw,20px);margin-bottom:10px;line-height:1.35}
.item p{font-size:15px;color:var(--ink-600);font-weight:300}
.item ul{margin:12px 0 0;padding:0;list-style:none;font-size:15px;color:var(--ink-600);font-weight:300}
.item li{padding:6px 0;border-bottom:1px dashed rgba(26,26,25,.12)}
.item li:last-child{border:0}
.card{background:#fff;border-radius:12px;padding:32px;box-shadow:var(--shadow-md)}
.card h3{font-size:clamp(17px,1.6vw,20px);margin-bottom:12px;line-height:1.35}
.card p{font-size:15px;color:var(--ink-600);font-weight:300}
.card .one{font-size:clamp(13px,1.15vw,17px);white-space:nowrap;font-weight:700;color:var(--ink-900);margin-top:12px}
.card.outline-red{background:transparent;box-shadow:none;border:2px solid var(--color-red)}
.card.outline-lime{background:transparent;box-shadow:none;border:2px solid var(--color-lime)}
.card.outline-lime .eyebrow{color:var(--ink-900)}
/* stats */
.stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
.stat .big{font-size:clamp(32px,4vw,48px);font-weight:700;letter-spacing:-0.03em;line-height:1;color:var(--color-red)}
.stat .lab{margin-top:10px;font-size:14px;color:var(--ink-600)}
/* logo wall */
.logos{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:32px 24px;padding:24px 0}
.logos div{display:flex;align-items:center;justify-content:center;height:60px}
.logos div:nth-child(n+7){grid-column:span 1}
@media(max-width:700px){.logos{grid-template-columns:repeat(3,minmax(0,1fr))}}
.logos img{max-width:100%;max-height:60px;width:auto;height:auto;object-fit:contain;transform:scale(var(--s,1))}
/* notes */
.note{margin-top:32px;font-size:13px;color:var(--ink-400)}
.note::before{content:"* "}
/* footer */
.footer{background:var(--color-red);color:#fff;padding:80px 0 40px}
.footer a{color:#fff}.footer a:hover{color:var(--color-lime)}
.footer .top{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:48px;align-items:start}
.footer h2{font-size:clamp(20px,2.2vw,28px);line-height:1.5;font-weight:700}
.footer .mail{font-size:20px;font-weight:700;display:inline-block;margin-top:28px;border-bottom:2px solid var(--color-lime)}
.footer .mail:hover{border-color:var(--color-lime)}
.footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;font-size:15px}
.footer .bottom{margin-top:64px;padding-top:24px;border-top:1px solid rgba(255,255,255,.4);display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px;font-size:13px;opacity:.9}
@media(max-width:820px){.footer .top{grid-template-columns:1fr}}
/* page hero */
.page-hero{padding:96px 0 64px}
.page-hero h1{font-size:clamp(30px,3.8vw,48px);line-height:1.3;letter-spacing:-0.02em;margin-top:16px;max-width:24ch}
.page-hero .lede{font-size:clamp(14px,1.25vw,16px);margin-top:24px;max-width:40em;line-height:1.8}
/* two-col text */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:64px;align-items:start}
@media(max-width:820px){.split{grid-template-columns:1fr;gap:32px}}
.split h3{font-size:clamp(18px,1.8vw,22px);margin-bottom:16px}
.split p+p{margin-top:16px}
/* screenshots */
.shots{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.shots img{border-radius:12px;box-shadow:var(--shadow-lg);border:1px solid rgba(26,26,25,.1)}
@media(max-width:600px){.shots{grid-template-columns:1fr}}
.brands{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:center;margin:0 0 32px}
.brands div{display:flex;justify-content:center;align-items:center;height:56px}
.brands img{max-height:100%;max-width:70%;width:auto;height:auto;object-fit:contain;transform:scale(var(--s,1))}
@media(max-width:600px){.brands{grid-template-columns:1fr}}
/* tags */
.tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.tag{font-size:13px;padding:6px 14px;border-radius:999px;border:1px solid rgba(26,26,25,.25);color:var(--ink-800)}

/* video demos */
.demos{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.demo{display:flex;flex-direction:column;gap:12px}
.demo .frame{aspect-ratio:9/16;border-radius:12px;overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid rgba(26,26,25,.1);background:#fff}
.demo .frame img{width:100%;height:100%;object-fit:cover}
.demo h3{font-size:clamp(15px,1.3vw,17px)}
.demo p{font-size:13px;color:var(--ink-600);font-weight:300}
@media(max-width:600px){.demos{grid-template-columns:1fr}}

.demos-wide{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-bottom:24px}
.demo .frame.wide{aspect-ratio:16/9}
.demo-cap{grid-column:1/-1;display:flex;flex-direction:column;gap:4px}
@media(max-width:600px){.demos-wide{grid-template-columns:1fr}}

/* ---- mobile fixes ---- */
.nav .logo{flex:0 0 auto}
.nav .logo img{height:54px;width:auto;max-width:none}
@media(max-width:860px){
  .nav .wrap{height:auto;flex-wrap:wrap;padding-top:10px;padding-bottom:10px;gap:6px 16px;justify-content:space-between}
  .nav .logo img{height:42px}
  .nav ul{width:100%;gap:12px 18px;justify-content:flex-start;padding-top:2px}
  .nav a{font-size:13px;padding:4px 0}
  .nav .cta{height:32px;padding:0 16px;font-size:13px}
  .nav ul li:last-child{margin-left:auto}
}
@media(max-width:600px){
  .wrap{padding:0 20px}
  .section{padding:56px 0}
  .hero{padding:56px 0 40px}
  .mark{display:none}
  .nav ul{gap:10px 14px}
  .nav a{font-size:12.5px}
}

/* brand + wechat post pairs */
.brandcases{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}
.bc{display:flex;flex-direction:column;gap:32px}
.bc-logo{display:flex;justify-content:center;align-items:center;height:56px}
.bc-logo img{max-height:100%;max-width:70%;width:auto;height:auto;object-fit:contain;transform:scale(var(--s,1))}
.bc-shot{width:100%;border-radius:12px;box-shadow:var(--shadow-lg);border:1px solid rgba(26,26,25,.1)}
@media(max-width:600px){.brandcases{grid-template-columns:1fr;gap:48px}.bc{gap:20px}}

/* 數據區塊：4 欄自適應 */
.stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:28px}
.stat .big{font-size:clamp(28px,3.2vw,40px)}
@media(max-width:900px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.stats{grid-template-columns:1fr;gap:24px}}

/* 投放成效分段 */
.perf+.perf{margin-top:52px;padding-top:52px;border-top:1px solid rgba(26,26,25,.1)}
.perf h3{font-size:clamp(17px,1.7vw,21px)}
.perf .perf-sub{font-size:14px;margin-top:8px}
.perf .stats{margin-top:28px}
.perf .perf-note{margin-top:28px;max-width:54em;font-size:15px;line-height:1.9}

/* 品牌案例下方說明 */
.brandcases-note{margin-top:48px;display:flex;flex-direction:column;gap:14px}
.brandcases-note p{font-size:15px;line-height:1.95}

.stats.stats-3{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:900px){.stats.stats-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.stats.stats-3{grid-template-columns:1fr}}

.stats.stats-2{grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:520px){.stats.stats-2{grid-template-columns:1fr}}
.brandcases-note .stats{margin-top:0}