:root{--primary:#0D9488;--primary-dark:#0F766E;--primary-light:#CCFBF1;--accent:#F59E0B;--accent-dark:#D97706;--gray-50:#F8FAFC;--gray-100:#F1F5F9;--gray-200:#E2E8F0;--gray-600:#475569;--gray-800:#1E293B;--gray-900:#0F172A;--white:#FFF;--shadow-sm:0 1px 2px rgba(0,0,0,.05);--shadow-md:0 4px 6px -1px rgba(0,0,0,.1);--shadow-lg:0 10px 15px -3px rgba(0,0,0,.1);--radius-lg:16px;--radius-md:12px;--radius-sm:8px}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--gray-800);background:var(--white);line-height:1.6;font-size:16px}
a{text-decoration:none;color:inherit}
img{max-width:100%;height:auto}
.w{max-width:1200px;margin:0 auto;padding:0 24px}
@media(max-width:768px){.w{padding:0 16px}}

/* page hero */
.page-hero{background:linear-gradient(135deg,var(--gray-50),var(--white));padding:80px 0 50px;text-align:center;border-bottom:1px solid var(--gray-100)}
.page-hero h1{font-size:2.4rem;font-weight:800;margin-bottom:12px;color:var(--gray-900)}
.page-hero p{font-size:1.1rem;color:var(--gray-600);max-width:600px;margin:0 auto}
.breadcrumb{display:flex;gap:6px;justify-content:center;margin-bottom:16px;font-size:.85rem;color:var(--gray-600)}
.breadcrumb a{color:var(--gray-600)}.breadcrumb a:hover{color:var(--primary)}

/* layout wrapper */
.lw{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:start}
.lm{min-width:0}
.ls{position:sticky;top:100px}
@media(max-width:900px){.lw{grid-template-columns:1fr}.ls{position:static}}

/* sidebar */
.side-card{background:var(--gray-50);border-radius:var(--radius-md);padding:24px;margin-bottom:24px;border:1px solid var(--gray-100)}
.side-card h3{font-size:1rem;font-weight:700;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--primary)}
.side-card ul{list-style:none}
.side-card ul li{padding:10px 0;border-bottom:1px solid var(--gray-200);font-size:.9rem}
.side-card ul li:last-child{border:none}
.side-card ul li a{color:var(--gray-600);display:block;transition:color .2s}
.side-card ul li a:hover{color:var(--primary)}
.side-cta{background:var(--gray-900);color:#fff;padding:28px 20px;text-align:center;border-radius:var(--radius-md)}
.side-cta h4{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.side-cta p{font-size:.85rem;color:rgba(255,255,255,.65);margin-bottom:16px}

/* detail page */
.detail-card{background:var(--white);border-radius:var(--radius-lg);padding:40px;border:1px solid var(--gray-100);box-shadow:var(--shadow-sm)}
.detail-card h1{font-size:1.8rem;font-weight:700;margin-bottom:16px;color:var(--gray-900)}
.detail-card .meta{color:var(--gray-600);font-size:.9rem;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--gray-200)}
.detail-card .content{font-size:1rem;color:var(--gray-700);line-height:1.9}
.detail-card .content h2{font-size:1.4rem;font-weight:700;margin:32px 0 12px;color:var(--gray-900)}
.detail-card .content p{margin-bottom:14px}
.detail-card .content ul{padding-left:20px;margin-bottom:14px}
.detail-card .content ul li{margin-bottom:6px}
.related-section{border-top:1px solid var(--gray-200);padding-top:32px;margin-top:32px}
.related-section h3{font-size:1.2rem;font-weight:700;margin-bottom:20px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.related-item{background:var(--gray-50);border-radius:var(--radius-sm);padding:18px;border:1px solid var(--gray-100);transition:all .2s}
.related-item:hover{box-shadow:var(--shadow-sm)}
.related-item .tag{font-size:.8rem;color:var(--primary);font-weight:600;margin-bottom:4px;display:block}
.related-item h4{font-size:.9rem;font-weight:600;line-height:1.4}
@media(max-width:768px){.related-grid{grid-template-columns:1fr 1fr}}
@media(max-width:600px){.related-grid{grid-template-columns:1fr}}

/* service detail */
.svc-detail-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:32px}
.svc-detail-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--gray-100);transition:all .2s}
.svc-detail-card:hover{box-shadow:var(--shadow-md)}
.svc-detail-card .top{background:var(--primary-light);padding:36px 24px;text-align:center}
.svc-detail-card .top .icon{font-size:3rem;background:rgba(255,255,255,.7);width:80px;height:80px;border-radius:20px;display:flex;align-items:center;justify-content:center;margin:0 auto 12px}
.svc-detail-card .top h3{font-size:1.3rem;font-weight:700}
.svc-detail-card .body{padding:24px}
.svc-detail-card .body ul{list-style:none}
.svc-detail-card .body ul li{padding:8px 0;font-size:.95rem;color:var(--gray-600);display:flex;align-items:center;gap:8px}
.svc-detail-card .body ul li::before{content:'';width:5px;height:5px;background:var(--primary);border-radius:50%;flex-shrink:0}
@media(max-width:768px){.svc-detail-grid{grid-template-columns:1fr}}

/* buttons */
.btn-p{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:var(--white);font-weight:600;padding:12px 28px;border-radius:40px;transition:all .2s;border:none;cursor:pointer;font-size:1rem}
.btn-p:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-o{display:inline-flex;align-items:center;gap:8px;background:transparent;color:var(--primary);font-weight:600;padding:12px 28px;border-radius:40px;border:1px solid var(--primary);transition:all .2s;font-size:1rem}
.btn-o:hover{background:var(--primary-light)}
.btn-s{display:inline-flex;align-items:center;gap:8px;background:var(--primary);color:var(--white);font-weight:600;padding:12px 28px;border-radius:40px;transition:all .2s}
.btn-s:hover{background:var(--primary-dark)}
.section-title{font-size:2rem;font-weight:700;text-align:center;margin-bottom:48px;color:var(--gray-900)}
.section-subtitle{font-size:1.5rem;font-weight:700;margin-bottom:24px;color:var(--gray-900);border-left:4px solid var(--primary);padding-left:16px}

/* navbar */
.navbar{background:rgba(255,255,255,.95);backdrop-filter:blur(8px);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:100}
.nc{display:flex;justify-content:space-between;align-items:center;height:70px}
.logo{font-size:1.5rem;font-weight:700;color:var(--primary)}
.logo span{color:var(--accent)}
.nm{display:flex;gap:28px;align-items:center}
.nm a{color:var(--gray-600);font-weight:500;transition:color .2s;font-size:14px}
.nm a:hover{color:var(--primary)}
.nb{display:flex;gap:10px}
.nb .nb1{background:var(--accent);color:#fff;padding:8px 20px;border-radius:40px;font-weight:600;font-size:13px}
.nb .nb2{border:1px solid var(--primary);color:var(--primary);padding:8px 20px;border-radius:40px;font-weight:600;font-size:13px}
.mt{display:none;font-size:1.8rem;background:none;border:none;cursor:pointer}

/* hero */
.hero{background:linear-gradient(135deg,var(--gray-50),var(--white));padding:60px 0 80px}
.hg{display:flex;align-items:center;gap:48px}
.hc{flex:1}
.hb{background:var(--primary-light);color:var(--primary);display:inline-block;padding:6px 14px;border-radius:40px;font-size:.9rem;font-weight:600;margin-bottom:24px}
.hero h1{font-size:3.4rem;font-weight:800;line-height:1.2;margin-bottom:20px;color:var(--gray-900)}
.hero h1 em{color:var(--primary);font-style:normal}
.hero p{font-size:1.25rem;color:var(--gray-600);margin-bottom:32px;line-height:1.7}
.hbtns{display:flex;gap:16px;margin-bottom:32px}
.tbadges{display:flex;gap:20px;flex-wrap:wrap}
.tbadge{display:flex;align-items:center;gap:6px;font-size:.9rem;color:var(--gray-600)}
.tbadge::before{content:"✓";width:20px;height:20px;background:var(--primary-light);color:var(--primary);border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:700}
.hi{flex:1;text-align:center}
.hi img{max-width:100%;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}

/* sec */
.sec{padding:80px 0}
.sb{background:var(--gray-50)}
.fg{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.fc{text-align:center;padding:36px 24px;background:var(--white);border-radius:var(--radius-lg);transition:all .2s;border:1px solid var(--gray-100)}
.fc:hover{box-shadow:var(--shadow-md);transform:translateY(-4px)}
.fc .fi{font-size:2.8rem;margin-bottom:20px}
.fc h3{font-size:1.5rem;margin-bottom:12px;color:var(--gray-900)}
.fc p{color:var(--gray-600);font-size:1rem}

/* services grid */
.sg{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.si{background:var(--white);padding:28px 16px;text-align:center;border-radius:var(--radius-md);transition:all .2s;box-shadow:var(--shadow-sm);border:1px solid var(--gray-100)}
.si:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);color:var(--primary)}
.si .sico{font-size:2.5rem;margin-bottom:12px}
.si h4{font-size:1.15rem;font-weight:600}
.si p{font-size:.85rem;color:var(--gray-600);margin-top:4px}

/* tabs */
.tab-wrap{text-align:center;margin-bottom:40px}
.tab-wrap .tabs{display:inline-flex;gap:4px;background:var(--gray-100);padding:4px;border-radius:40px}
.tab-wrap .tabs span{padding:10px 24px;border-radius:40px;font-size:14px;font-weight:600;cursor:pointer;color:var(--gray-600);transition:all .2s;user-select:none}
.tab-wrap .tabs span.ac{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}
.tab-cont{display:none}
.tab-cont.ac{display:block}

/* product grid */
.pg{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pc{border:1px solid var(--gray-200);border-radius:var(--radius-md);overflow:hidden;transition:all .2s;background:var(--white)}
.pc:hover{box-shadow:var(--shadow-md);border-color:var(--primary);transform:translateY(-4px)}
.pc .pi{height:180px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:3.2rem}
.pc .pt{padding:20px}
.pc .pt h4{font-size:1.1rem;font-weight:600;margin-bottom:6px}
.pc .pt p{font-size:.9rem;color:var(--gray-600);margin-bottom:14px}
.pc .pt .pb{text-align:center}
.pc .pt .pb a{display:inline-block;padding:8px 28px;border:1px solid var(--primary);border-radius:40px;font-size:.9rem;color:var(--primary);transition:all .2s}
.pc .pt .pb a:hover{background:var(--primary);color:#fff}

/* price + trust */
.ptg{display:flex;gap:48px;align-items:flex-start;flex-wrap:wrap}
.pb{flex:1;background:var(--gray-50);border-radius:var(--radius-lg);padding:32px}
.pb h3{font-size:1.5rem;margin-bottom:24px;color:var(--gray-900)}
.pl{list-style:none}
.pl li{display:flex;justify-content:space-between;padding:14px 0;border-bottom:1px solid var(--gray-200);font-size:1rem}
.pl li .pr{color:var(--primary);font-weight:700;font-size:1.15rem}
.tb2{flex:1;background:var(--gray-50);border-radius:var(--radius-lg);padding:32px}
.tb2 h3{font-size:1.5rem;margin-bottom:24px}
.tg{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.ti{padding:16px;background:var(--white);border-radius:var(--radius-sm);border:1px solid var(--gray-100)}
.ti h5{font-size:1.05rem;font-weight:700;margin-bottom:6px;color:var(--gray-900)}
.ti p{font-size:.9rem;color:var(--gray-600)}

/* stories */
.stories{background:linear-gradient(135deg,var(--primary-light),var(--white));padding:80px 0}
.sc{display:flex;gap:32px;background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);max-width:960px;margin:0 auto}
.sc .si2{flex:1;background:var(--gray-200);min-height:280px;overflow:hidden}
.sc .si2 img{width:100%;height:100%;object-fit:cover}
.sc .st2{flex:1.5;padding:36px 36px 36px 0}
.sc .st2 .stag{background:var(--primary-light);color:var(--primary);display:inline-block;padding:6px 14px;border-radius:40px;font-size:.85rem;font-weight:600;margin-bottom:16px}
.sc .st2 h3{font-size:1.6rem;margin-bottom:8px}
.sc .st2 .smeta{color:var(--gray-600);margin-bottom:16px;font-style:italic;font-size:1rem}
.sc .st2 p{color:var(--gray-700);margin-bottom:20px;line-height:1.7;font-size:1rem}
.sc .st2 a{color:var(--primary);font-weight:600;font-size:1rem}
.st-nav{display:flex;justify-content:center;gap:12px;margin-top:24px}
.st-nav .st-dot{width:48px;height:48px;border-radius:8px;overflow:hidden;cursor:pointer;opacity:.5;border:2px solid transparent;transition:all .2s}
.st-nav .st-dot img{width:100%;height:100%;object-fit:cover}
.st-nav .st-dot.ac{opacity:1;border-color:var(--primary)}

/* news+faq two column */
.nf{display:flex;gap:48px;align-items:flex-start}
.nc2,.fc2{flex:1}
.news-list,.faq-list{list-style:none}
.news-item,.faq-item{padding:18px 0;border-bottom:1px solid var(--gray-200)}
.news-item a,.faq-item a{display:block;transition:color .2s}
.news-item a:hover,.faq-item a:hover{color:var(--primary)}
.news-title{font-weight:600;font-size:1.05rem;margin-bottom:8px;line-height:1.5}
.news-date{font-size:.85rem;color:var(--gray-600)}
.faq-question{font-weight:600;margin-bottom:8px;font-size:1.05rem}
.faq-answer{font-size:.9rem;color:var(--gray-600);line-height:1.6}
.more-link{margin-top:24px;display:inline-block}

/* recruit */
.rec{background:var(--gray-900);color:#fff;text-align:center;padding:60px 0}
.rec h2{font-size:2rem;margin-bottom:16px}
.rec p{font-size:1.1rem;margin-bottom:32px;color:var(--gray-200)}
.rec .hl{color:var(--accent);font-weight:700}

/* footer */
.ft{background:var(--gray-50);padding:48px 0 24px;border-top:1px solid var(--gray-200)}
.fg3{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:40px;margin-bottom:40px}
.fc3 h4{font-size:1rem;margin-bottom:16px;color:var(--gray-900)}
.fc3 a{display:block;color:var(--gray-600);margin-bottom:10px;font-size:.9rem;transition:color .2s}
.fc3 a:hover{color:var(--primary)}
.fc3 .ph{font-size:1.2rem;font-weight:700;color:var(--gray-900)}
.fb{border-top:1px solid var(--gray-200);padding-top:24px;text-align:center;color:var(--gray-600);font-size:.85rem}

/* float btn */
.fb2{position:fixed;bottom:24px;right:24px;background:var(--accent);color:#fff;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);z-index:99;font-size:1.5rem;transition:transform .2s}
.fb2:hover{transform:scale(1.05);background:var(--accent-dark)}

@media(max-width:1024px){.nm,.nb{display:none}.mt{display:block}.nm.show,.nb.show{display:flex;flex-direction:column;position:absolute;top:70px;left:0;right:0;background:#fff;padding:16px 24px;box-shadow:var(--shadow-md);z-index:99}.nm.show{gap:12px}.nb.show{top:auto;position:static;padding:8px 24px 16px;flex-direction:row;gap:8px}}
@media(max-width:900px){.fg,.sg{grid-template-columns:1fr 1fr}.pg{grid-template-columns:repeat(2,1fr)}.nf{flex-direction:column}}
@media(max-width:768px){.hero{padding:40px 0}.hg{flex-direction:column}.hero h1{font-size:2.2rem}.hbtns{flex-direction:column}.fg{grid-template-columns:1fr}.sg{grid-template-columns:1fr 1fr}.pg{grid-template-columns:1fr}.sc{flex-direction:column}.sc .st2{padding:24px}.sc .si2{min-height:200px}}