:root{--bg:#f3f6f2;--surface:#ffffff;--ink:#19231d;--muted:#607067;--accent:#c94065;--support:#4d6fa7;--dark:#192b35;--line:#d7dfd7;--container:1180px}
*{box-sizing:border-box;letter-spacing:0}
html{}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.65}
body.nav-open{overflow:hidden}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit}
.container{width:min(calc(100% - 40px),var(--container));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;height:72px;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}
.header-inner{height:100%;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:12px;min-width:0;font-weight:800}
.brand img{width:42px;height:42px;object-fit:cover;border-radius:6px;border:1px solid var(--line)}
.brand span{max-width:260px;overflow-wrap:anywhere;line-height:1.2}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:24px;color:var(--muted);font-size:14px;font-weight:700}
.site-nav a:hover{color:var(--accent)}
.header-action,.button,.steps-intro>a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;border-radius:6px;font-weight:800;text-align:center}
.header-action,.button.primary,.steps-intro>a{background:var(--accent);color:#fff}
.button.secondary{border:1px solid rgba(255,255,255,.55);color:#fff;background:rgba(15,20,18,.45)}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:6px;padding:11px}
.menu-toggle span{display:block;height:2px;background:var(--ink);margin:4px 0}
.hero{position:relative;min-height:620px;overflow:hidden;background:var(--dark);color:#fff}
.hero::after{content:"";position:absolute;inset:0 46% 0 0;background:rgba(12,18,17,.88);z-index:1}
.hero-media{position:absolute;inset:0 0 0 39%;display:flex;justify-content:flex-end;gap:18px;padding:58px 5vw 38px 40px;overflow:hidden}
.hero-media img{width:30%;max-width:260px;aspect-ratio:9/16;object-fit:cover;border:1px solid rgba(255,255,255,.35);box-shadow:0 22px 50px rgba(0,0,0,.35)}
.hero-media img:nth-child(2){margin-top:64px}.hero-media img:nth-child(3){margin-top:22px}
.hero-content{position:relative;z-index:2;padding:90px 0 72px}
.hero-content>*{max-width:570px}
.eyebrow,.section-heading>p,.steps-intro>p{margin:0 0 12px;color:var(--accent);font-size:13px;font-weight:900;text-transform:uppercase}
.hero h1{margin:0;font-size:64px;line-height:1.05;overflow-wrap:anywhere}
.hero h2{margin:20px 0 0;font-size:25px;line-height:1.35;color:#dbe5df}
.hero-copy{margin:22px 0 0;color:#c3cdc7;font-size:16px}
.hero-actions{display:flex;gap:12px;margin-top:30px}
.hero-facts{display:flex;gap:32px;margin:42px 0 0;padding:24px 0 0;border-top:1px solid rgba(255,255,255,.25)}
.hero-facts div{min-width:88px}.hero-facts dt{font-size:24px;font-weight:900}.hero-facts dd{margin:0;color:#b9c5bf;font-size:12px}
.section{padding:92px 0}
.section-heading{display:grid;grid-template-columns:220px minmax(0,1fr) 360px;align-items:end;gap:30px;margin-bottom:42px}
.section-heading>p{align-self:start}.section-heading h2{margin:0;font-size:38px;line-height:1.2;overflow-wrap:anywhere}.section-heading>span{color:var(--muted)}
.gallery-section{background:var(--surface)}
.gallery-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.gallery-item{margin:0;background:var(--bg);border:1px solid var(--line);border-radius:6px;overflow:hidden}
.gallery-image{aspect-ratio:9/16;overflow:hidden;background:var(--dark)}
.gallery-image img{width:100%;height:100%;object-fit:cover;}
.gallery-item:hover img{transform:scale(1.025)}
.gallery-item figcaption{display:flex;align-items:center;gap:12px;padding:15px 16px}.gallery-item figcaption span{color:var(--accent);font-weight:900}.gallery-item strong{font-size:14px}
.feature-section{background:var(--bg)}
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:34px;row-gap:28px}
.feature-item{padding:24px 0 10px;border-top:3px solid var(--support)}
.feature-item>span{color:var(--accent);font-size:12px;font-weight:900}.feature-item h3{margin:10px 0 8px;font-size:21px}.feature-item p{margin:0;color:var(--muted)}
.steps-section{background:var(--dark);color:#fff}
.steps-layout{display:grid;grid-template-columns:360px minmax(0,1fr);gap:90px;align-items:start}
.steps-intro{position:sticky;top:110px}.steps-intro h2{margin:0;font-size:38px;line-height:1.2}.steps-intro>span{display:block;margin-top:18px;color:#c4cec8}.steps-intro>a{margin-top:28px}
.steps-list{border-top:1px solid rgba(255,255,255,.25)}
.step-item{display:grid;grid-template-columns:90px 1fr;gap:20px;padding:28px 0;border-bottom:1px solid rgba(255,255,255,.25)}
.step-item>span{color:var(--accent);font-size:26px;font-weight:900}.step-item h3{margin:0 0 6px;font-size:22px}.step-item p{margin:0;color:#bdc8c2}
.faq-section{background:var(--surface)}
.faq-layout{display:grid;grid-template-columns:390px minmax(0,1fr);gap:90px;align-items:start}
.faq-layout .section-heading{display:block;margin:0}.faq-layout .section-heading h2{margin:0 0 18px}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{display:flex;justify-content:space-between;gap:20px;padding:22px 0;cursor:pointer;font-weight:800;list-style:none}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{color:var(--accent);font-size:22px}
.faq-list p{margin:0;padding:0 46px 22px 0;color:var(--muted)}.faq-list p a{color:var(--support);font-weight:800;overflow-wrap:anywhere}
.review-section{background:var(--bg)}
.review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.review-card{display:flex;flex-direction:column;min-height:230px;padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:6px}
.review-card>p{margin:0;color:var(--ink)}
.review-card footer{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:20px}
.avatar{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--support);color:#fff;font-weight:900}
.review-card footer div{display:flex;flex-direction:column}.review-card time{color:var(--muted);font-size:11px}
.site-footer{padding:54px 0;background:#111614;color:#fff}
.footer-inner{display:grid;grid-template-columns:1fr auto;gap:30px;align-items:start}.footer-brand img{border-color:rgba(255,255,255,.25)}.footer-inner p{margin:12px 0 0;color:#aeb9b3}.footer-inner nav{display:flex;flex-wrap:wrap;gap:20px;color:#c8d1cc;font-size:13px}.footer-inner small{grid-column:1/-1;padding-top:24px;border-top:1px solid rgba(255,255,255,.16);color:#89958f}
@media(max-width:980px){.site-nav{position:fixed;inset:72px 0 auto 0;display:none;flex-direction:column;align-items:stretch;gap:0;padding:14px 20px 24px;background:#fff;border-bottom:1px solid var(--line)}.site-nav.is-open{display:flex}.site-nav a{padding:13px 0;border-bottom:1px solid var(--line)}.header-action{margin-left:auto}.menu-toggle{display:block}.hero::after{inset:0 28% 0 0}.hero-media{left:52%;padding-right:20px}.hero-media img{width:45%;min-width:180px}.section-heading{grid-template-columns:150px 1fr}.section-heading>span{grid-column:2}.gallery-grid{grid-template-columns:repeat(2,1fr)}.steps-layout,.faq-layout{grid-template-columns:1fr;gap:44px}.steps-intro{position:static}.review-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.container{width:min(calc(100% - 28px),var(--container))}.site-header{height:64px}.brand img{width:38px;height:38px}.brand span{max-width:170px;font-size:14px}.header-action{display:none}.site-nav{top:64px}.hero{min-height:640px}.hero::after{inset:0;background:rgba(12,18,17,.82)}.hero-media{inset:auto -40px 18px 18%;height:300px;padding:0;opacity:.62}.hero-media img{min-width:130px;width:36%;height:260px}.hero-media img:nth-child(2){margin-top:24px}.hero-media img:nth-child(3){margin-top:10px}.hero-content{padding:62px 0 300px}.hero-content>*{max-width:none}.hero h1{font-size:38px}.hero h2{font-size:21px}.hero-copy{font-size:14px}.hero-actions{flex-direction:column;align-items:stretch}.hero-facts{gap:18px}.hero-facts div{min-width:0}.section{padding:68px 0}.section-heading{display:block;margin-bottom:30px}.section-heading h2,.steps-intro h2{font-size:30px}.section-heading>span{display:block;margin-top:14px}.gallery-grid,.feature-grid,.review-grid{grid-template-columns:1fr}.gallery-item{display:grid;grid-template-columns:42% 1fr}.gallery-image{aspect-ratio:9/16}.gallery-item figcaption{align-content:center;flex-wrap:wrap}.feature-grid{row-gap:18px}.steps-layout,.faq-layout{gap:34px}.step-item{grid-template-columns:60px 1fr}.review-card{min-height:200px}.footer-inner{grid-template-columns:1fr}.footer-inner small{grid-column:auto}.footer-inner nav{gap:14px}}