:root { --ink:#191a16; --soft:#686c61; --paper:#f6f2e8; --cream:#fffdf6; --lime:#c7f86b; --violet:#d8c7ff; --line:rgba(25,26,22,.14); }
* { box-sizing: border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:var(--paper); font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif; }
a { color:inherit; text-decoration:none; }
button { font:inherit; }
.nav { position:sticky; top:0; z-index:10; display:grid; grid-template-columns:1fr auto 1fr; align-items:center; padding:18px clamp(20px,5vw,70px); border-bottom:1px solid var(--line); background:rgba(246,242,232,.9); backdrop-filter:blur(16px); }
.logo { display:flex; align-items:center; gap:10px; font-weight:800; }
.logo span { display:grid; place-items:center; width:32px; height:32px; border-radius:50%; background:var(--ink); color:var(--lime); }
.nav nav { display:flex; gap:28px; font-size:12px; font-weight:700; }
.nav-cta { justify-self:end; padding:9px 13px; border:1px solid var(--ink); border-radius:3px; font-size:11px; font-weight:800; }
.hero { display:grid; grid-template-columns:1.08fr .92fr; align-items:center; min-height:calc(100vh - 70px); padding:60px clamp(20px,5vw,70px) 80px; gap:40px; background:radial-gradient(55% 70% at 88% 10%,rgba(199,248,107,.33),transparent 65%); }
.tag { display:flex; align-items:center; gap:8px; margin:0 0 20px; color:var(--soft); font-size:10px; font-weight:800; letter-spacing:.12em; }
.tag i { width:7px; height:7px; border-radius:50%; background:#4dbb65; }
.hero h1 { margin:0; font-size:clamp(3.4rem,7vw,7.3rem); line-height:.95; letter-spacing:-.075em; }
.hero h1 em { font-style:normal; background:linear-gradient(transparent 69%,var(--lime) 69%); }
.hero-copy > p:not(.tag) { max-width:600px; margin:28px 0 0; color:var(--soft); font-size:15px; line-height:1.9; }
.actions { display:flex; gap:10px; margin-top:32px; }
.primary,.secondary { display:inline-flex; justify-content:space-between; gap:28px; padding:14px 17px; border:1px solid var(--ink); border-radius:3px; font-size:12px; font-weight:800; }
.primary { background:var(--ink); color:white; }
.secondary { background:rgba(255,255,255,.35); }
.trust { display:flex; gap:30px; margin-top:40px; padding-top:18px; border-top:1px solid var(--line); }
.trust span { color:var(--soft); font-size:10px; }
.trust b { display:block; margin-bottom:3px; color:var(--ink); font-size:20px; }
.hero-phone { position:relative; display:grid; place-items:center; min-height:620px; }
.phone-shell { position:relative; z-index:2; width:min(330px,86vw); height:570px; padding:16px; border:7px solid var(--ink); border-radius:45px; background:var(--cream); box-shadow:0 35px 80px rgba(25,26,22,.22); transform:rotate(4deg); }
.phone-bar { display:flex; justify-content:space-between; padding:4px 7px; color:#777a70; font-size:8px; }
.phone-bar i { width:72px; height:18px; border-radius:20px; background:var(--ink); }
.mini-greeting { margin:24px 7px 12px; font-size:20px; font-weight:800; line-height:1.3; }
.mini-search { margin:0 7px; padding:12px; border-radius:10px; background:#eeebe1; color:#8b8d83; font-size:10px; }
.mini-banner { display:flex; flex-direction:column; margin:14px 7px; padding:22px 18px; min-height:140px; border-radius:20px; background:linear-gradient(140deg,#d9c8ff,#b8a0ee); }
.mini-banner small { font-size:8px; font-weight:800; letter-spacing:.1em; }
.mini-banner b { margin-top:auto; font:700 22px/1.05 Georgia,serif; }
.mini-banner span { margin-top:8px; font-size:10px; }
.mini-title { display:flex; justify-content:space-between; margin:20px 7px 10px; font-size:10px; }
.mini-title span { color:#7b7e73; }
.mini-cards { display:grid; grid-template-columns:repeat(3,1fr); gap:7px; margin:0 7px; }
.mini-cards i { display:block; aspect-ratio:.82; border-radius:12px; background:linear-gradient(145deg,#d7eeaa,#aacb64); }
.mini-cards i:nth-child(2) { background:linear-gradient(145deg,#f5d1bd,#dfaa8e); }
.mini-cards i:nth-child(3) { background:linear-gradient(145deg,#d5d3e6,#a8a3c5); }
.float-card { position:absolute; z-index:3; padding:13px 15px; border:1px solid var(--ink); border-radius:12px; background:var(--cream); box-shadow:5px 5px 0 var(--ink); font-size:9px; }
.float-card b { display:block; font-size:24px; }
.fc-one { top:100px; right:0; }
.fc-two { bottom:90px; left:0; display:flex; align-items:center; gap:8px; }
.fc-two i { width:9px; height:9px; border-radius:50%; background:#4dbb65; }
.services { padding:100px clamp(20px,5vw,70px); background:var(--cream); }
.section-title { display:flex; align-items:end; justify-content:space-between; gap:30px; }
.section-title p,.steps-copy > p:not(.tag) { margin:0 0 12px; color:var(--soft); font-size:9px; font-weight:800; letter-spacing:.14em; }
.section-title h2,.steps h2 { margin:0; font-size:clamp(2.3rem,4.5vw,4.6rem); line-height:.98; letter-spacing:-.06em; }
.filters { display:flex; gap:7px; }
.filters button { padding:8px 13px; border:1px solid var(--line); border-radius:999px; background:transparent; color:var(--soft); font-size:10px; font-weight:700; cursor:pointer; }
.filters button.active,.filters button:hover { border-color:var(--ink); background:var(--ink); color:white; }
.service-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; margin-top:44px; }
.service-card { padding:12px; border:1px solid var(--line); border-radius:14px; background:var(--paper); }
.service-card[hidden] { display:none; }
.service-art { position:relative; display:flex; align-items:flex-start; min-height:210px; padding:13px; overflow:hidden; border-radius:9px; }
.service-art span { font-size:8px; font-weight:800; letter-spacing:.1em; }
.service-art i { position:absolute; right:-10px; bottom:-13px; width:78%; aspect-ratio:1; border-radius:50%; background:rgba(255,255,255,.42); }
.art-a { background:#cde5a1; }.art-b { background:#f2c8b4; }.art-c { background:#c9c7df; }.art-d { background:#f0d585; }
.service-card > small { display:block; margin-top:15px; color:var(--soft); font-size:8px; font-weight:800; letter-spacing:.1em; }
.service-card h3 { margin:7px 0 0; font:700 24px/1.1 Georgia,serif; letter-spacing:-.03em; }
.service-card p { min-height:50px; margin:8px 0 0; color:var(--soft); font-size:11px; line-height:1.65; }
.service-foot { display:flex; align-items:center; justify-content:space-between; margin-top:18px; padding-top:12px; border-top:1px solid var(--line); }
.service-foot b { font-size:14px; }
.service-foot button { padding:7px 10px; border:1px solid var(--ink); border-radius:3px; background:transparent; font-size:9px; font-weight:800; cursor:pointer; }
.service-foot button:hover { background:var(--ink); color:white; }
.steps { display:grid; grid-template-columns:.9fr 1.1fr; gap:80px; padding:110px clamp(20px,5vw,70px); background:var(--ink); color:white; }
.steps-copy .tag { color:#a5a89d; }.steps-copy > p:not(.tag) { max-width:390px; margin-top:24px; line-height:1.8; color:#9da096; }
.step-list article { display:grid; grid-template-columns:44px 1fr; gap:18px; padding:24px 0; border-top:1px solid rgba(255,255,255,.14); }
.step-list article > span { color:var(--lime); font:700 10px monospace; }
.step-list h3 { margin:0; font:700 24px Georgia,serif; }
.step-list p { max-width:430px; margin:8px 0 0; color:#9da096; font-size:11px; line-height:1.7; }
footer { display:flex; align-items:center; justify-content:space-between; padding:28px clamp(20px,5vw,70px); border-top:1px solid rgba(255,255,255,.1); background:var(--ink); color:#8e9187; font-size:9px; letter-spacing:.1em; }
footer b { color:white; font:700 15px Georgia,serif; letter-spacing:0; }
.toast { position:fixed; left:50%; bottom:24px; z-index:30; max-width:90vw; padding:13px 18px; border-radius:999px; background:var(--ink); color:white; font-size:12px; opacity:0; transform:translate(-50%,20px); pointer-events:none; transition:.25s ease; }
.toast.show { opacity:1; transform:translate(-50%,0); }
@media(max-width:980px){.hero{grid-template-columns:1fr}.hero-phone{min-height:540px}.service-grid{grid-template-columns:1fr 1fr}.steps{grid-template-columns:1fr;gap:40px}.nav{grid-template-columns:1fr auto}.nav nav{display:none}}
@media(max-width:620px){.nav-cta{font-size:9px}.hero{padding:42px 18px 60px}.hero h1{font-size:clamp(3rem,16vw,4.8rem)}.actions{flex-direction:column}.primary,.secondary{width:100%}.trust{gap:18px}.hero-phone{min-height:500px}.phone-shell{height:500px}.float-card{display:none}.services,.steps{padding:64px 18px}.section-title{align-items:stretch;flex-direction:column}.filters{overflow:auto}.service-grid{grid-template-columns:1fr}.service-art{min-height:180px}.steps h2{font-size:2.8rem}footer{flex-direction:column;gap:12px;align-items:flex-start}}