*{margin:0;padding:0;box-sizing:border-box}:root{--ink: #14122b;--ink-2: #1c1a38;--hero-top: #1e1b4d;--hero-mid: #34246e;--hero-low: #4a2a7a;--glow-pink: rgba(255, 92, 174, .55);--gold: #f5b500;--gold-2: #ffd23e;--gold-ink: #3a2a00;--green: #128a4b;--green-2: #0e7a40;--purple: #7b5cf5;--text: #1b1a2c;--muted: #57536d;--surface: #ffffff;--radius: 1rem;--radius-lg: 1.5rem;--shadow: 0 18px 50px rgba(20, 18, 43, .16)}html{scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans CJK SC,sans-serif;background:#f4f3f8;color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body.ktv-lock{overflow:hidden}a{color:inherit;text-decoration:none}ul{list-style:none}button{font:inherit;cursor:pointer;border:0;background:none}.ktv-page{min-height:100dvh;padding-bottom:72px}.ktv-container{width:100%;max-width:1080px;margin:0 auto;padding:0 20px}.ktv-topbar{position:sticky;top:0;z-index:60;background:#14122bf5;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.08)}.ktv-topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px}.ktv-brand{display:inline-flex;align-items:center;gap:8px;color:#fff;font-weight:800;font-size:1.2rem;letter-spacing:.02em}.ktv-brand .ktv-brand-mark{font-size:1.35rem;transform:translateY(-1px)}.ktv-brand .ktv-brand-name{color:var(--gold-2)}.ktv-topbar-cta{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 18px;border-radius:999px;border:1.5px solid var(--gold);color:var(--gold-2);font-weight:800;font-size:.95rem;white-space:nowrap;transition:transform .2s ease,background .2s ease,color .2s ease}.ktv-topbar-cta:hover{background:var(--gold);color:var(--gold-ink)}.ktv-topbar-cta:active{transform:scale(.97)}.ktv-hero{position:relative;color:#fff;background:radial-gradient(120% 80% at 50% 100%,var(--glow-pink),transparent 62%),radial-gradient(95% 70% at 100% 0%,rgba(123,92,245,.5),transparent 58%),linear-gradient(160deg,var(--hero-top) 0%,var(--hero-mid) 48%,var(--hero-low) 100%);overflow:hidden}.ktv-hero:after{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px);background-size:26px 26px;opacity:.5;pointer-events:none;mix-blend-mode:overlay}.ktv-hero-inner{position:relative;z-index:1;max-width:900px;margin:0 auto;padding:56px 24px 64px;text-align:center}.ktv-hero-badge{display:inline-flex;align-items:center;gap:7px;padding:8px 16px;border-radius:999px;background:#14122b80;border:1px solid rgba(255,255,255,.14);color:#e7e4f5;font-size:.88rem;margin-bottom:22px}.ktv-hero-badge .ktv-emoji{font-size:1rem}.ktv-hero h1{font-size:clamp(1.7rem,4.6vw,3.1rem);font-weight:900;line-height:1.22;letter-spacing:.01em;margin-bottom:20px}.ktv-hero-sub{font-size:clamp(.98rem,2vw,1.2rem);color:#d9d5ee;max-width:620px;margin:0 auto 26px}.ktv-btn-gold{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:56px;padding:0 34px;border-radius:999px;background:linear-gradient(180deg,var(--gold-2),var(--gold));color:var(--gold-ink);font-weight:900;font-size:1.15rem;box-shadow:0 12px 30px #ffbd0059,inset 0 1px #ffffff80;transition:transform .2s ease,box-shadow .2s ease}.ktv-btn-gold:hover{transform:translateY(-2px);box-shadow:0 16px 36px #ffbd0073,inset 0 1px #ffffff80}.ktv-btn-gold:active{transform:translateY(0) scale(.98)}.ktv-trust{display:flex;flex-wrap:wrap;justify-content:center;gap:10px 16px;margin-top:26px;font-size:.88rem;color:#dcd8ef}.ktv-trust li{display:inline-flex;align-items:center;gap:6px}.ktv-check{color:var(--gold-2);font-weight:900}.ktv-stats{background:var(--surface);border-bottom:1px solid #ecebf3}.ktv-stats-inner{max-width:900px;margin:0 auto;padding:26px 20px;text-align:center;font-size:clamp(.96rem,2vw,1.1rem);color:var(--text)}.ktv-stat-hl{color:var(--purple);font-weight:900}.ktv-stats-small{display:block;margin-top:4px;color:var(--muted);font-size:.88rem}.ktv-section{background:var(--surface)}.ktv-section-alt{background:#faf9fd}.ktv-section-head{text-align:center;max-width:720px;margin:0 auto 34px}.ktv-eyebrow{display:inline-block;color:var(--purple);font-weight:800;letter-spacing:.04em;font-size:.86rem;margin-bottom:10px}.ktv-section-head h2{font-size:clamp(1.5rem,3.4vw,2.2rem);font-weight:900;line-height:1.25}.ktv-section-head p{color:var(--muted);margin-top:12px}.ktv-pad{padding:56px 0}.ktv-features{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.ktv-feature{background:#fff;border:1px solid #ecebf3;border-radius:var(--radius);padding:20px 18px;display:flex;gap:14px;align-items:flex-start;transition:transform .2s ease,box-shadow .2s ease}.ktv-feature:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.ktv-feature-icon{flex:none;width:46px;height:46px;display:grid;place-items:center;border-radius:14px;font-size:1.35rem;background:linear-gradient(160deg,#efe9ff,#e2d8ff)}.ktv-feature h3{font-size:1.05rem;font-weight:900;margin-bottom:4px}.ktv-feature p{color:var(--muted);font-size:.92rem}.ktv-about{text-align:center;max-width:760px;margin:0 auto}.ktv-about h2{font-size:clamp(1.5rem,3.4vw,2.2rem);font-weight:900;margin-bottom:18px}.ktv-about p{color:var(--muted);font-size:1.02rem;text-align:left;max-width:640px;margin:0 auto 16px}.ktv-about p:last-child{margin-bottom:0}.ktv-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.ktv-gallery-item{position:relative;border-radius:var(--radius);overflow:hidden;aspect-ratio:3 / 4;background:#ecebf3;box-shadow:var(--shadow)}.ktv-gallery-item img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}.ktv-gallery-item:hover img{transform:scale(1.05)}.ktv-gallery-item figcaption{position:absolute;left:0;right:0;bottom:0;padding:34px 14px 12px;color:#fff;font-weight:800;font-size:.95rem;background:linear-gradient(transparent,#14122bb8)}@media(min-width:900px){.ktv-gallery{grid-template-columns:repeat(4,1fr)}}.ktv-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;counter-reset:ktvStep}.ktv-step{position:relative;background:#fff;border:1px solid #ecebf3;border-radius:var(--radius);padding:26px 20px 20px;text-align:center}.ktv-step-num{position:absolute;top:-16px;left:20px;width:34px;height:34px;display:grid;place-items:center;border-radius:999px;background:var(--purple);color:#fff;font-weight:900;box-shadow:0 8px 18px #7b5cf566}.ktv-step h3{font-size:1.05rem;font-weight:900;margin:8px 0 6px}.ktv-step p{color:var(--muted);font-size:.92rem}.ktv-faq{max-width:760px;margin:0 auto;display:grid;gap:12px}.ktv-faq details{background:#fff;border:1px solid #ecebf3;border-radius:var(--radius);overflow:hidden}.ktv-faq summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:800;display:flex;align-items:center;justify-content:space-between;gap:12px}.ktv-faq summary::-webkit-details-marker{display:none}.ktv-faq summary:after{content:"+";font-size:1.4rem;color:var(--purple);font-weight:400;line-height:1;transition:transform .2s ease}.ktv-faq details[open] summary:after{transform:rotate(45deg)}.ktv-faq details>p{padding:0 20px 18px;color:var(--muted)}.ktv-final{color:#fff;background:radial-gradient(100% 90% at 50% 110%,var(--glow-pink),transparent 60%),linear-gradient(160deg,var(--hero-top) 0%,var(--hero-mid) 55%,var(--hero-low) 100%);text-align:center}.ktv-final h2{font-size:clamp(1.5rem,3.4vw,2.2rem);font-weight:900;margin-bottom:12px}.ktv-final p{color:#d9d5ee;margin-bottom:26px}.ktv-final-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px}.ktv-btn-call{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:56px;padding:0 30px;border-radius:999px;background:#fff;color:var(--ink);font-weight:900;font-size:1.1rem;transition:transform .2s ease}.ktv-btn-call:hover{transform:translateY(-2px)}.ktv-btn-call:active{transform:scale(.98)}.ktv-contactbar{position:fixed;left:0;right:0;bottom:0;z-index:70;padding:0 max(0px,env(safe-area-inset-left)) max(0px,env(safe-area-inset-bottom)) max(0px,env(safe-area-inset-right))}.ktv-contactbar-inner{max-width:760px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#fff9;box-shadow:0 -8px 28px #14122b1f}.ktv-contactbar a{display:flex;align-items:center;justify-content:center;gap:8px;min-height:60px;font-weight:900;font-size:1.08rem}.ktv-contactbar .ktv-call{background:var(--green);color:#fff}.ktv-contactbar .ktv-call:hover{background:var(--green-2)}.ktv-contactbar .ktv-wechat{background:var(--gold);color:var(--gold-ink)}.ktv-contactbar .ktv-wechat:hover{background:var(--gold-2)}.ktv-contactbar a:active{transform:scale(.99)}.ktv-sheet-backdrop{position:fixed;inset:0;z-index:90;background:#14122b80;backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease}.ktv-sheet-backdrop.open{opacity:1;visibility:visible}.ktv-sheet{position:fixed;left:0;right:0;bottom:0;z-index:95;margin:0 auto;max-width:620px;background:#fff;border-radius:22px 22px 0 0;padding:28px 24px 34px;transform:translateY(110%);opacity:0;visibility:hidden;transition:transform .3s cubic-bezier(.22,1,.36,1),opacity .25s ease,visibility .3s ease}.ktv-sheet.open{transform:translateY(0);opacity:1;visibility:visible}.ktv-sheet-close{position:absolute;top:14px;right:14px;width:36px;height:36px;border-radius:999px;background:#f0eff6;color:var(--text);font-size:1.2rem;display:grid;place-items:center}.ktv-sheet-title{font-size:1.3rem;font-weight:900;text-align:center;margin-bottom:6px}.ktv-sheet-sub{text-align:center;color:var(--muted);font-size:.94rem;margin-bottom:20px}.ktv-wechat-id{display:flex;align-items:center;justify-content:space-between;gap:14px;border:1.5px dashed rgba(123,92,245,.5);background:#f6f3ff;border-radius:var(--radius);padding:16px 18px;margin-bottom:0}.ktv-wechat-list{display:grid;gap:12px;margin-bottom:14px}.ktv-wechat-id .ktv-label{color:var(--muted);font-size:.85rem}.ktv-wechat-id .ktv-id{font-weight:900;font-size:1.15rem;color:var(--purple);word-break:break-all}.ktv-btn-copy{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:0 20px;border-radius:999px;background:var(--purple);color:#fff;font-weight:800;transition:transform .2s ease}.ktv-btn-copy:hover{transform:translateY(-2px)}.ktv-sheet-tip{text-align:center;color:var(--muted);font-size:.88rem}.ktv-toast{position:fixed;left:50%;bottom:92px;transform:translate(-50%) translateY(12px);z-index:120;background:#14122bf0;color:#fff;padding:12px 22px;border-radius:999px;font-size:.95rem;opacity:0;visibility:hidden;transition:opacity .25s ease,transform .25s ease,visibility .25s ease;box-shadow:var(--shadow)}.ktv-toast.show{opacity:1;visibility:visible;transform:translate(-50%) translateY(0)}.ktv-reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}.ktv-reveal.is-visible{opacity:1;transform:translateY(0)}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.ktv-reveal{opacity:1;transform:none;transition:none}}@media(max-width:560px){.ktv-features{grid-template-columns:1fr}}@media(max-width:700px){.ktv-steps{grid-template-columns:1fr;gap:20px}}@media(min-width:701px){.ktv-contactbar{padding:0 20px 16px}.ktv-contactbar-inner{border-radius:22px;overflow:hidden}}@media(min-width:768px){.ktv-hero-inner{padding:84px 40px 96px}.ktv-pad{padding:76px 0}.ktv-sheet{border-radius:22px;bottom:24px}}