*{box-sizing:border-box}body{margin:0;font-family:Arial,Microsoft YaHei,sans-serif;background:#eef2f7;color:#1f2937}a{color:inherit;text-decoration:none}.page{min-height:100vh}.hero{padding:0 0 18px;background:#fff}.topbar{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;padding:16px 24px;max-width:1440px;margin:0 auto}.brand-wrap{display:flex;align-items:center;gap:12px}.brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#2f80ed,#63b3ff);box-shadow:0 10px 20px #2f80ed47}.brand{font-size:20px;font-weight:800;letter-spacing:.01em}.subtitle{color:#94a3b8;font-size:12px;margin-top:2px}.nav-links{display:flex;justify-content:center;gap:28px;color:#1f2937;font-weight:600}.top-actions{display:flex;justify-content:flex-end}.contact-pill{background:#fff;color:#1f2937;padding:8px 16px;border-radius:14px;box-shadow:0 6px 18px #0f172a14;border:1px solid #e5e7eb}.banner-carousel{position:relative;width:100%;border-radius:0;overflow:hidden;box-shadow:0 18px 40px #0f172a29}.banner-card{position:relative;display:block;width:100%;height:min(42vw,520px);min-height:300px;max-height:520px;background-size:cover;background-position:center;background-repeat:no-repeat}.banner-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(180deg,#080f1e14,#080f1e1f 56%,#080f1ea6)}.banner-content{position:absolute;inset:auto 0 0 0;padding:32px 40px 28px;color:#fff;z-index:1;max-width:760px}.banner-content h1{margin:0 0 10px;font-size:clamp(24px,3vw,42px);line-height:1.08;text-shadow:0 10px 24px rgba(0,0,0,.32)}.banner-content p{margin:0;font-size:16px;color:#ffffffeb;max-width:44rem}.banner-nav{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:44px;height:44px;border:none;border-radius:50%;background:#ffffffeb;color:#111827;font-size:28px;line-height:1;cursor:pointer;box-shadow:0 10px 24px #0f172a2e}.banner-nav.prev{left:20px}.banner-nav.next{right:20px}.banner-dots{position:absolute;left:0;right:0;bottom:18px;display:flex;justify-content:center;gap:10px;z-index:2}.dot{width:10px;height:10px;border:none;border-radius:999px;background:#ffffff73;cursor:pointer;transition:all .2s ease}.dot.active{width:28px;background:#fff}.banner-empty{width:100%;height:min(42vw,520px);min-height:300px;max-height:520px;border-radius:0;display:grid;place-items:center;background:linear-gradient(135deg,#e5e7eb,#f8fafc);color:#6b7280}.announcement{margin:0 auto 22px;padding:12px 24px;background:transparent;border-radius:0;box-shadow:none;max-width:1440px}.ticker-wrap{background:#fff;border:1px solid #e5e7eb;border-radius:18px;padding:14px 18px;display:flex;align-items:center;gap:16px;box-shadow:0 10px 30px #0f172a0d}.ticker-label{font-size:13px;font-weight:700;color:#64748b;flex:0 0 auto}.ticker{color:#374151;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.content{padding:0 24px 60px;max-width:1440px;margin:0 auto}.quick-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px;margin-bottom:28px}.quick-card,.section-card,.detail-panel{background:#fff;border:1px solid #edf2f7;border-radius:18px;padding:20px;box-shadow:0 8px 24px #0f172a0a}.quick-card p,.project-summary{color:#64748b;line-height:1.6}.section-list{display:grid;gap:18px}.section-head{display:flex;gap:16px;align-items:flex-start}.badge{background:#eff6ff;color:#2563eb;border-radius:999px;padding:7px 12px;font-weight:700;font-size:13px}.project-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-top:16px}.project-card{border:1px solid #edf2f7;border-radius:16px;padding:16px;background:linear-gradient(180deg,#fff,#fafafa);display:block;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}.project-card:hover{transform:translateY(-2px);box-shadow:0 14px 28px #0f172a14;border-color:#dbeafe}.project-card.large{min-height:180px}.project-code{color:#2563eb;font-weight:700}.project-title{margin-top:8px;font-size:16px;font-weight:700}.project-price{margin-top:8px;color:#059669}.ghost-btn,.primary-btn{margin-top:12px;border-radius:12px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.ghost-btn{border:1px solid #d1d5db;background:#fff;padding:10px 14px}.primary-btn{border:none;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;padding:12px 16px;box-shadow:0 10px 24px #7c3aed2e}.text-link{color:#2563eb;margin-top:8px;display:inline-block}.floating-service{position:fixed;right:20px;bottom:20px;border:none;background:linear-gradient(135deg,#2563eb,#7c3aed);color:#fff;padding:14px 18px;border-radius:999px;box-shadow:0 12px 30px #2563eb59}.detail-page .content{display:grid;gap:20px}.detail-hero{padding:28px 24px;margin:24px auto;max-width:1440px;border-radius:24px;background:linear-gradient(135deg,#111827,#1d4ed8);color:#fff}.back-link{display:inline-block;margin-bottom:24px;color:#bfdbfe}.detail-hero-content h1{margin:12px 0;font-size:36px}.hero-meta{display:flex;gap:14px;margin-top:18px;color:#dbeafe}.project-detail-layout{grid-template-columns:minmax(0,1fr) 320px}.detail-blocks{display:grid;gap:18px}.detail-block img,.detail-block video{width:100%;border-radius:16px;display:block}.contact-list{color:#374151;line-height:1.9;padding-left:18px}.sidebar-panel{align-self:start}@media(max-width:960px){.banner-card,.banner-empty{height:min(52vw,420px);min-height:260px;max-height:420px}.project-detail-layout{grid-template-columns:1fr}}@media(max-width:720px){.topbar{grid-template-columns:1fr;justify-items:start;gap:14px}.nav-links{justify-content:flex-start;gap:18px;flex-wrap:wrap}.banner-card,.banner-empty{height:min(58vw,300px);min-height:220px;max-height:300px}.banner-content{padding:18px 18px 16px;max-width:100%}.banner-content h1{font-size:24px}.banner-content p{font-size:14px}.banner-nav{width:36px;height:36px;font-size:24px}.banner-nav.prev{left:10px}.banner-nav.next{right:10px}.banner-dots{bottom:10px;gap:8px}.dot{width:8px;height:8px}.dot.active{width:22px}.content,.announcement{padding-left:16px;padding-right:16px}.detail-hero{margin:16px}}