*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;color:#141414;background:#faf9f6;line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button,input,textarea{font:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.site-header{position:sticky;top:0;z-index:40;background:rgba(250,249,246,.88);backdrop-filter:blur(18px);border-bottom:1px solid rgba(20,20,20,.08)}.nav-wrap{max-width:1180px;margin:auto;padding:18px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}.logo{display:inline-flex;align-items:center;gap:12px;font-weight:700}.logo-mark{width:42px;height:42px;border-radius:14px;background:#111;color:#fff;display:grid;place-items:center;letter-spacing:.02em;box-shadow:0 16px 44px rgba(0,0,0,.16)}.logo-text{font-size:15px;color:#151515;letter-spacing:.08em}.nav-links{display:flex;align-items:center;gap:8px}.nav-links a{padding:10px 13px;border-radius:999px;font-size:14px;color:#323232}.nav-links a:hover,.nav-links a.active{background:#111;color:#fff}.nav-toggle{display:none;border:0;background:#111;color:#fff;border-radius:12px;padding:8px 11px}.search-panel{max-width:1180px;margin:0 auto 16px;padding:0 24px;display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center}.search-panel input{width:100%;border:1px solid rgba(20,20,20,.12);border-radius:999px;background:#fff;padding:14px 18px;outline:none}.search-panel input:focus{border-color:#111;box-shadow:0 0 0 4px rgba(17,17,17,.06)}.search-panel button{border:0;border-radius:999px;padding:14px 22px;background:#111;color:#fff;cursor:pointer}.search-panel p{grid-column:1/-1;margin:0;font-size:13px;color:#666}.hero{min-height:78vh;display:grid;align-items:center;position:relative;overflow:hidden}.hero:before{content:"";position:absolute;inset:7% 4%;border-radius:48px;background:radial-gradient(circle at 20% 20%,rgba(255,255,255,.96),rgba(245,240,229,.92) 46%,rgba(229,220,202,.75));box-shadow:inset 0 1px 0 rgba(255,255,255,.9),0 40px 120px rgba(0,0,0,.08)}.hero-inner{position:relative;max-width:1180px;margin:auto;padding:92px 24px;display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center}.eyebrow{text-transform:uppercase;letter-spacing:.18em;color:#777;font-size:13px;margin:0 0 14px}.hero h1,.page-hero h1{font-size:clamp(42px,7vw,86px);line-height:1.02;letter-spacing:-.07em;margin:0;color:#111}.hero p,.page-hero p{font-size:18px;color:#4b4b4b;max-width:680px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 22px;border:1px solid #111;background:#111;color:#fff;font-weight:650}.btn.light{background:transparent;color:#111}.hero-visual{position:relative;min-height:420px}.floating-card{position:absolute;border-radius:30px;background:#fff;padding:18px;box-shadow:0 24px 68px rgba(0,0,0,.13);border:1px solid rgba(0,0,0,.06);animation:floaty 7s ease-in-out infinite}.floating-card img{border-radius:22px;aspect-ratio:4/3;object-fit:cover}.floating-card.big{inset:4% 8% auto 0}.floating-card.small{right:0;bottom:4%;width:46%;animation-delay:-2s}.floating-card .mini-title{display:block;font-weight:700;margin-top:12px}.floating-card .mini-meta{display:block;color:#777;font-size:13px}@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}.section{max-width:1180px;margin:auto;padding:90px 24px}.section-head{display:grid;grid-template-columns:.85fr 1fr;gap:42px;align-items:end;margin-bottom:34px}.section-head h2{font-size:clamp(30px,4vw,54px);line-height:1.08;letter-spacing:-.05em;margin:0;color:#111}.section-head p{margin:0;color:#555}.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}.split-card{border-radius:36px;background:#fff;padding:34px;border:1px solid rgba(0,0,0,.06);box-shadow:0 22px 70px rgba(0,0,0,.08)}.split-card h2{font-size:36px;line-height:1.15;letter-spacing:-.04em;margin:0 0 18px}.split-visual img{border-radius:42px;aspect-ratio:4/3;object-fit:cover}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.service-card,.review-card,.stat-card,.article-card{background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:28px;padding:26px;box-shadow:0 18px 54px rgba(0,0,0,.05)}.service-card h3,.review-card h3,.article-card h3{margin:0 0 10px;font-size:20px;color:#111}.service-card p,.review-card p,.article-card p{margin:0;color:#555}.tags,.video-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.tags span,.video-tags span{font-size:12px;border:1px solid rgba(0,0,0,.08);border-radius:999px;padding:5px 10px;background:#fbfaf7;color:#555}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.video-card{background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:32px;overflow:hidden;box-shadow:0 22px 66px rgba(0,0,0,.07)}.video-card figure{position:relative;margin:0;overflow:hidden}.video-card img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .5s ease,filter .5s ease}.video-card figcaption{position:absolute;left:18px;right:18px;bottom:16px;background:rgba(255,255,255,.86);backdrop-filter:blur(12px);border-radius:16px;padding:8px 12px;font-size:12px;color:#555;opacity:0;transform:translateY(8px);transition:.3s ease}.video-card:hover img{transform:scale(1.04);filter:saturate(1.08)}.video-card:hover figcaption{opacity:1;transform:translateY(0)}.play-pill{position:absolute;inset:50% auto auto 50%;transform:translate(-50%,-50%) scale(.86);opacity:0;background:#111;color:#fff;border-radius:999px;padding:12px 18px;font-weight:700;box-shadow:0 18px 48px rgba(0,0,0,.22);transition:.3s ease}.video-card:hover .play-pill{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-body{padding:24px}.video-body h3{margin:0 0 10px;font-size:21px;line-height:1.3}.video-body p{margin:0;color:#555}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:20px 0 0}.metrics div{background:#faf9f6;border-radius:18px;padding:12px}.metrics dt{font-size:12px;color:#777}.metrics dd{margin:0;font-weight:750;color:#111}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat-card strong{display:block;font-size:38px;letter-spacing:-.06em}.stat-card span{color:#555}.reviews{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.stars{letter-spacing:.08em;color:#111;margin-bottom:10px}.faq{display:grid;gap:12px}.faq-item{border:1px solid rgba(0,0,0,.08);border-radius:24px;background:#fff;overflow:hidden}.faq-item button{width:100%;border:0;background:transparent;text-align:left;padding:22px 24px;font-weight:750;font-size:18px;cursor:pointer;display:flex;justify-content:space-between;gap:20px}.faq-item button:after{content:"+"}.faq-item.open button:after{content:"-"}.faq-item p{margin:0;padding:0 24px 22px;color:#555;display:none}.faq-item.open p{display:block}.contact-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px}.contact-card,.contact-form{background:#111;color:#fff;border-radius:34px;padding:32px}.contact-card p{color:rgba(255,255,255,.72)}.contact-form{background:#fff;color:#111;border:1px solid rgba(0,0,0,.06)}.contact-form label{display:block;margin:0 0 14px;color:#555}.contact-form input,.contact-form textarea{width:100%;border:1px solid rgba(0,0,0,.12);border-radius:18px;padding:13px 15px;margin-top:7px;outline:none}.contact-form textarea{min-height:126px;resize:vertical}.contact-form button{border:0;border-radius:999px;background:#111;color:#fff;padding:13px 22px;cursor:pointer}.site-footer{margin-top:60px;background:#111;color:#fff}.footer-grid{max-width:1180px;margin:auto;padding:54px 24px;display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:36px}.site-footer p{color:rgba(255,255,255,.68)}.site-footer h2{font-size:16px;margin:0 0 14px}.site-footer a{display:block;color:rgba(255,255,255,.76);margin:7px 0}.footer-logo{display:flex;margin-bottom:16px}.footer-logo .logo-mark{background:#fff;color:#111}.footer-logo .logo-text{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.1);max-width:1180px;margin:auto;padding:18px 24px;color:rgba(255,255,255,.54);font-size:13px}.page-hero{max-width:1180px;margin:auto;padding:76px 24px 40px}.page-hero h1{max-width:900px}.domain-line{font-size:14px!important;color:#777!important}.breadcrumb{max-width:1180px;margin:0 auto;padding:24px 24px 0;display:flex;gap:8px;flex-wrap:wrap;color:#777;font-size:14px}.breadcrumb strong{color:#111}.article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.article-card img{border-radius:22px;aspect-ratio:16/11;object-fit:cover;margin-bottom:18px}.notice{background:#fff;border:1px solid rgba(0,0,0,.06);border-radius:28px;padding:24px;color:#555}.json-block{white-space:pre-wrap;overflow:auto;background:#111;color:#fff;border-radius:24px;padding:24px;font-size:13px}.mobile-video{position:relative;border-radius:32px;background:#111;color:#fff;padding:26px;min-height:260px;overflow:hidden}.mobile-video:after{content:"17c VIDEO";position:absolute;right:-30px;bottom:-25px;font-size:80px;font-weight:800;color:rgba(255,255,255,.06);letter-spacing:-.08em}.mobile-video h3{font-size:32px;line-height:1.1;margin:0 0 12px}.mobile-video p{color:rgba(255,255,255,.7)}@media (max-width:980px){.hero-inner,.split,.contact-wrap,.section-head{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,1fr)}.video-grid,.article-list{grid-template-columns:repeat(2,1fr)}.reviews{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.hero-visual{min-height:360px}}@media (max-width:720px){.nav-wrap{padding:14px 18px}.nav-toggle{display:block}.nav-links{display:none;position:absolute;top:72px;left:18px;right:18px;background:#fff;border:1px solid rgba(0,0,0,.08);border-radius:22px;padding:10px;box-shadow:0 20px 50px rgba(0,0,0,.12)}.nav-links.open{display:grid}.search-panel{grid-template-columns:1fr;padding:0 18px 14px}.hero-inner{padding:58px 18px}.hero:before{inset:3%;border-radius:30px}.hero h1,.page-hero h1{font-size:44px}.section{padding:64px 18px}.grid,.video-grid,.reviews,.stats,.article-list,.footer-grid{grid-template-columns:1fr}.floating-card.big{inset:0 6% auto 0}.floating-card.small{width:56%;right:0;bottom:0}.metrics{grid-template-columns:1fr}.page-hero{padding:54px 18px 28px}.breadcrumb{padding-left:18px;padding-right:18px}}