:root{--ink:#151515;--muted:#66645f;--yellow:#f4b900;--paper:#fffdf8;--soft:#f5f2ea;--line:#e6e0d4;--white:#fff;--green:#236c42;--shadow:0 16px 44px rgba(23,20,10,.10);--radius:22px}
*{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,-apple-system,sans-serif;line-height:1.72}a{color:inherit}img{display:block;width:100%}.container{width:min(1160px,calc(100% - 40px));margin:0 auto}.site-header{position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(255,255,255,.12);background:rgba(18,18,18,.96);color:var(--white);backdrop-filter:blur(12px)}.header-inner{min-height:74px;display:flex;align-items:center;gap:26px}.brand{margin-right:auto;text-decoration:none;font-weight:900;letter-spacing:.04em}.brand small{display:block;color:#d7d2c7;font-weight:500;font-size:12px;letter-spacing:0}.nav{display:flex;align-items:center;flex-wrap:wrap;gap:18px}.nav a{color:#eee;text-decoration:none;font-size:14px}.nav a:hover,.nav a[aria-current="page"]{color:var(--yellow)}.phone-button,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:999px;border:1px solid transparent;background:var(--yellow);color:#111;text-decoration:none;font-weight:800;transition:.2s ease}.phone-button:hover,.button:hover{transform:translateY(-2px);background:#ffc928}.button.secondary{background:transparent;border-color:rgba(255,255,255,.45);color:var(--white)}.button.dark{background:var(--ink);color:var(--white)}.hero{padding:62px 0 54px;background:#171717;color:var(--white);overflow:hidden}.hero-grid{display:grid;grid-template-columns:.92fr 1.08fr;align-items:center;gap:48px}.eyebrow{margin:0 0 14px;color:var(--yellow);font-size:14px;font-weight:900;letter-spacing:.12em}.hero h1{margin:0;font-size:clamp(38px,5vw,68px);line-height:1.08;letter-spacing:-.04em}.hero .lead{margin:24px 0 0;color:#d7d4cc;font-size:18px;max-width:690px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.hero-visual{position:relative}.hero-visual img{aspect-ratio:4/3;object-fit:cover;border-radius:30px;box-shadow:var(--shadow)}.hero-tag{position:absolute;left:-24px;bottom:24px;max-width:310px;padding:16px 18px;border-radius:16px;background:var(--yellow);color:#111;font-weight:900}.facts{background:var(--yellow)}.fact-grid{display:grid;grid-template-columns:repeat(4,1fr)}.fact{padding:24px 20px;border-right:1px solid rgba(0,0,0,.16)}.fact:last-child{border-right:0}.fact strong{display:block;font-size:17px}.fact span{color:#4a3900;font-size:13px}.section{padding:86px 0}.section.soft{background:var(--soft)}.section.dark{background:#191919;color:var(--white)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:34px}.section-head h2,.page-title{margin:0;font-size:clamp(30px,4vw,48px);line-height:1.18;letter-spacing:-.03em}.section-head p{max-width:660px;margin:0;color:var(--muted)}.dark .section-head p{color:#c8c4bb}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);box-shadow:0 8px 24px rgba(20,18,12,.04)}.card .num{display:inline-flex;width:38px;height:38px;align-items:center;justify-content:center;border-radius:50%;background:var(--yellow);font-weight:900}.card h3{margin:18px 0 8px;font-size:21px}.card p{margin:0;color:var(--muted)}.card ul{padding-left:20px;margin-bottom:0;color:var(--muted)}.gallery{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}.gallery figure{margin:0;overflow:hidden;border-radius:var(--radius);background:var(--white);box-shadow:var(--shadow)}.gallery figure:first-child{grid-row:span 2}.gallery img{height:100%;min-height:270px;object-fit:cover}.gallery figure:first-child img{min-height:560px}.gallery figcaption{padding:14px 18px;font-size:14px;color:var(--muted)}.split{display:grid;grid-template-columns:1fr 1fr;gap:42px;align-items:start}.check-list{display:grid;gap:12px;margin:24px 0 0;padding:0;list-style:none}.check-list li{padding:14px 16px 14px 46px;position:relative;border-radius:14px;background:var(--white);border:1px solid var(--line)}.check-list li::before{content:"✓";position:absolute;left:16px;top:13px;color:var(--green);font-weight:900}.notice{padding:22px 24px;border-left:5px solid var(--yellow);border-radius:14px;background:#fff6d5;color:#151515}.notice p{margin:0}.page-hero{padding:72px 0 58px;color:var(--white);background:#191919}.page-hero p{max-width:780px;margin:18px 0 0;color:#d1cec6;font-size:17px}.breadcrumbs{margin-bottom:18px;color:#bdb8ad;font-size:13px}.breadcrumbs a{color:var(--yellow);text-decoration:none}.info-table{width:100%;border-collapse:collapse;overflow:hidden;border-radius:16px;background:var(--white)}.info-table th,.info-table td{padding:16px 18px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.info-table th{width:180px;color:#4e4b44;background:#faf7ef}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{padding:24px;border-radius:18px;background:var(--white);border:1px solid var(--line)}.step::before{counter-increment:step;content:counter(step);display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:50%;background:var(--yellow);font-weight:900}.step h3{margin:16px 0 6px;font-size:18px}.step p{margin:0;color:var(--muted);font-size:14px}.faq-list{display:grid;gap:14px}.faq-list details{border:1px solid var(--line);border-radius:16px;background:var(--white);overflow:hidden}.faq-list summary{padding:20px 24px;cursor:pointer;font-weight:800}.faq-list details p{margin:0;padding:0 24px 22px;color:var(--muted)}.contact-panel{padding:38px;border-radius:28px;background:var(--yellow)}.contact-panel h2{margin:0 0 12px;font-size:clamp(28px,4vw,44px)}.contact-panel p{margin:8px 0}.contact-panel .button{margin-top:18px}.footer{padding:46px 0 28px;background:#111;color:#d3d0c8}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px}.footer h2{margin:0 0 10px;color:var(--white)}.footer p{margin:6px 0}.footer a{color:#eee}.copyright{margin-top:30px;padding-top:20px;border-top:1px solid #333;color:#928f87;font-size:13px}.skip-link{position:fixed;left:10px;top:-60px;z-index:100;padding:10px;background:var(--yellow);color:#111}.skip-link:focus{top:10px}
.dark .check-list li{color:var(--ink)}
.credential-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.credential-card{margin:0;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:var(--white);box-shadow:var(--shadow)}.credential-media{display:flex;align-items:center;justify-content:center;min-height:420px;padding:24px;background:#efede6}.credential-media img{width:auto;max-width:100%;max-height:500px;object-fit:contain}.credential-card figcaption{padding:26px}.credential-card h3{margin:0 0 10px;font-size:24px}.credential-card p{margin:0 0 20px;color:var(--muted)}
.article-wrap{width:min(900px,100%);margin:0 auto}.article-lead{margin:0 0 30px;padding:24px 26px;border-left:5px solid var(--yellow);border-radius:14px;background:#fff6d5;font-size:17px}.article-body h2{margin:48px 0 18px;font-size:clamp(26px,3vw,36px);line-height:1.25}.article-body h3{margin:30px 0 10px;font-size:21px}.article-body p{margin:0 0 16px}.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px}.article-body li{margin:8px 0}.article-meta{display:flex;flex-wrap:wrap;gap:10px 20px;margin:18px 0 0;color:#c9c5bc;font-size:14px}.article-table{width:100%;border-collapse:collapse;margin:22px 0 30px;background:var(--white)}.article-table th,.article-table td{padding:14px 16px;border:1px solid var(--line);text-align:left;vertical-align:top}.article-table th{background:#f8f3e5}.answer-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin:22px 0}.answer-box{padding:22px;border:1px solid var(--line);border-radius:18px;background:var(--white)}.answer-box h3{margin:0 0 8px}.answer-box p{margin:0;color:var(--muted)}.service-boundary{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:24px 0}.service-boundary>div{padding:24px;border-radius:18px;background:var(--soft)}.service-boundary h3{margin:0 0 10px}.article-footer-note{margin-top:46px;padding-top:24px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}.article-footer-note p{margin:6px 0}.related-reading{margin-top:34px;padding:24px;border-radius:18px;background:var(--soft)}.related-reading h2{margin:0 0 12px;font-size:22px}.related-reading a{font-weight:800}.card-link{display:inline-block;margin-top:16px;color:#755800;font-weight:900;text-decoration:none}.card-link:hover{text-decoration:underline}
@media(max-width:920px){.header-inner{padding:14px 0;align-items:flex-start;flex-wrap:wrap}.brand{width:calc(100% - 150px)}.nav{order:3;width:100%;gap:12px 16px}.hero-grid,.split,.footer-grid{grid-template-columns:1fr}.hero-tag{left:12px}.fact-grid{grid-template-columns:repeat(2,1fr)}.fact:nth-child(2){border-right:0}.cards{grid-template-columns:repeat(2,1fr)}.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.container{width:min(100% - 28px,1160px)}.phone-button{padding:0 14px;min-height:40px;font-size:13px}.hero,.section,.page-hero{padding-top:58px;padding-bottom:58px}.hero-grid{gap:30px}.hero-visual img{border-radius:20px}.hero-tag{position:static;max-width:none;border-radius:0 0 18px 18px}.fact-grid,.cards,.steps,.gallery,.answer-grid,.service-boundary,.credential-grid{grid-template-columns:1fr}.credential-media{min-height:320px;padding:16px}.fact{border-right:0;border-bottom:1px solid rgba(0,0,0,.14)}.gallery figure:first-child{grid-row:auto}.gallery figure:first-child img,.gallery img{min-height:240px}.section-head{align-items:flex-start;flex-direction:column}.info-table th,.info-table td{display:block;width:100%}.info-table th{padding-bottom:6px}.info-table td{padding-top:6px}.article-table{font-size:14px}.article-table th,.article-table td{padding:10px}.article-lead{padding:20px}}