:root{--bg:#fbf6ee;--paper:#fffaf2;--ink:#4d4034;--muted:#806f60;--line:#eadcc8;--leaf:#6f8a70;--clay:#b88763;--sand:#e7c9a5;--shadow:0 24px 70px rgba(91,72,53,.12);--radius:28px}*{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",sans-serif;background:radial-gradient(circle at top left,#fff8ec 0,#fbf6ee 38%,#f3e5d2 100%);color:var(--ink);line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;height:auto}p{margin:0 0 1rem}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.site-header{position:sticky;top:0;z-index:20;background:rgba(251,246,238,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(234,220,200,.72)}.header-inner{max-width:1180px;margin:auto;padding:16px 22px 10px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand-lockup{display:inline-flex;align-items:center}.main-nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.main-nav a{padding:9px 13px;border-radius:999px;color:#624f3e;font-size:15px}.main-nav a:hover,.main-nav a[aria-current=page]{background:#efe0cb;color:#3d3025}.search-row{max-width:1180px;margin:auto;padding:0 22px 16px}.fake-search{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;background:var(--paper);padding:10px;border:1px solid var(--line);border-radius:999px;box-shadow:0 12px 40px rgba(85,68,52,.08)}.fake-search input{border:0;background:transparent;padding:11px 15px;font-size:16px;color:var(--ink);outline:0}.fake-search button,.btn{border:0;background:var(--ink);color:#fff;padding:12px 18px;border-radius:999px;font-weight:700;cursor:pointer;box-shadow:0 10px 30px rgba(77,64,52,.18)}.search-hint{grid-column:1/-1;margin:0;padding:0 15px 4px;font-size:13px;color:var(--muted)}main{overflow:hidden}.container{max-width:1180px;margin:auto;padding:0 22px}.hero{position:relative;padding:80px 0 64px}.hero:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 20%,rgba(231,201,165,.45),transparent 34%),radial-gradient(circle at 85% 20%,rgba(111,138,112,.20),transparent 26%);pointer-events:none}.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}.eyebrow,.update-badge{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border-radius:999px;background:#efe3d2;color:#6c5845;font-size:13px;font-weight:700}.hero h1{font-size:clamp(38px,6vw,72px);line-height:1.08;margin:18px 0 20px;letter-spacing:-.05em}.hero-sub{font-size:20px;color:var(--muted);max-width:660px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0}.btn.secondary{background:#f0dfc9;color:#523f31;box-shadow:none}.soft-card{background:rgba(255,250,242,.86);border:1px solid rgba(234,220,200,.9);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}.hero-visual{position:relative}.hero-visual img{border-radius:38px;box-shadow:var(--shadow);border:8px solid rgba(255,250,242,.72)}figure{margin:0}.domain-caption,figcaption{font-size:13px;color:#82705f;margin-top:10px}.section{padding:72px 0}.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}.section h2{font-size:clamp(28px,4vw,46px);line-height:1.18;margin:10px 0 8px;letter-spacing:-.03em}.section h3{font-size:24px;line-height:1.25;margin:12px 0}.section h4{font-size:19px;margin:8px 0}.section h5,.section h6{font-size:16px;margin:8px 0;color:#66513f}.lead{font-size:18px;color:var(--muted);max-width:760px}.grid{display:grid;gap:22px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:rgba(255,250,242,.82);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:0 16px 50px rgba(82,63,49,.08)}.card img{border-radius:22px;aspect-ratio:16/10;object-fit:cover;background:#eadcc8}.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.stat{padding:24px;border-radius:24px;background:#f3e5d2;border:1px solid #e6d1b8}.stat strong{display:block;font-size:32px;line-height:1;color:#6f563f;margin-bottom:8px}.video-card{position:relative;padding:0;overflow:hidden}.video-thumb{position:relative;overflow:hidden;border-radius:var(--radius) var(--radius) 0 0}.video-thumb img{width:100%;border-radius:0;display:block;transition:transform .5s ease}.play-button{position:absolute;inset:auto auto 22px 22px;display:inline-grid;place-items:center;width:64px;height:64px;border-radius:50%;background:rgba(77,64,52,.88);color:#fff;opacity:0;transform:translateY(8px);transition:.25s ease}.play-button:before{content:"";display:block;margin-left:4px;border-top:12px solid transparent;border-bottom:12px solid transparent;border-left:18px solid #fff}.video-card:hover .play-button,.video-card:focus-within .play-button{opacity:1;transform:none}.video-card:hover .video-thumb img{transform:scale(1.04)}.video-body{padding:22px}.tag-list{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0}.tag-list span{font-size:12px;padding:5px 9px;border-radius:999px;background:#efe0cb;color:#674f3d}.metrics{display:flex;gap:12px;flex-wrap:wrap;color:#7d6a59;font-size:14px;border-top:1px solid var(--line);padding-top:14px;margin-top:16px}.timeline{display:grid;gap:16px}.timeline article{display:grid;grid-template-columns:150px 1fr;gap:16px;align-items:start;padding:18px;border-radius:24px;background:#fff7ec;border:1px dashed #ddc8ad}.quote{font-size:17px;color:#604b3a}.avatar{width:52px;height:52px;border-radius:50%;background:linear-gradient(135deg,#e7c9a5,#6f8a70);display:inline-grid;place-items:center;color:#fff;font-weight:800}.faq details{background:#fffaf2;border:1px solid var(--line);border-radius:22px;padding:18px 20px}.faq details+details{margin-top:12px}.faq summary{font-weight:800;cursor:pointer}.breadcrumb{font-size:14px;color:var(--muted);margin:24px 0}.page-hero{padding:48px 0 28px}.page-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.1;margin:12px 0}.contact-panel{display:grid;grid-template-columns:1fr 1fr;gap:22px}.contact-form{display:grid;gap:12px}.contact-form input,.contact-form textarea{width:100%;border:1px solid var(--line);border-radius:18px;background:#fffaf2;padding:14px;font:inherit;color:var(--ink)}.contact-form textarea{min-height:140px;resize:vertical}.site-footer{background:#4d4034;color:#fff4e6;margin-top:48px}.footer-grid{max-width:1180px;margin:auto;padding:42px 22px;display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:24px}.footer-grid a{display:block;color:#fff4e6;margin:6px 0}.footer-grid p{color:#e5d3bd}.footer-grid img{filter:drop-shadow(0 10px 24px rgba(0,0,0,.16))}.notice{border-left:4px solid var(--leaf);padding:14px 18px;background:#f4eadc;border-radius:18px;color:#66513f}.slogan-list{counter-reset:slogan;display:grid;gap:14px}.slogan-list li{list-style:none;counter-increment:slogan;padding:18px 20px;border-radius:22px;background:#fffaf2;border:1px solid var(--line)}.slogan-list li:before{content:"方案 " counter(slogan);font-size:12px;font-weight:800;color:#fff;background:#86684f;border-radius:999px;padding:4px 8px;margin-right:8px}.mini{font-size:13px;color:var(--muted)}@media (max-width:900px){.header-inner{align-items:flex-start;flex-direction:column}.main-nav{justify-content:flex-start}.hero-grid,.grid-3,.grid-2,.stat-grid,.contact-panel,.footer-grid{grid-template-columns:1fr}.hero{padding-top:42px}.section{padding:48px 0}.timeline article{grid-template-columns:1fr}.fake-search{grid-template-columns:1fr;border-radius:26px}.fake-search button{width:100%}.section-head{display:block}.stat strong{font-size:28px}}@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto;transition:none!important}}