:root{--bg:#eef7f8;--surface:#fff;--soft:#f3fbfb;--ink:#17364a;--muted:#5b7282;--line:rgba(26,140,150,.16);--brand:#158b95;--brand2:#27b9b5;--deep:#0d485a;--shadow:0 14px 34px rgba(19,79,94,.10)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}a{color:inherit}.site-header{position:sticky;top:0;z-index:9000;background:rgba(255,255,255,.96);backdrop-filter:blur(12px);box-shadow:0 5px 20px rgba(13,72,90,.08)}.header-inner{max-width:1180px;min-height:68px;margin:auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:18px}.site-logo img,.mobile-logo img,.drawer-logo img,.footer-logo img{display:block;object-fit:contain}.site-logo img{height:38px;width:auto;max-width:155px}.logo-fallback{font-weight:900;color:var(--deep);white-space:nowrap}.nav-core{display:flex;align-items:center;gap:2px;min-width:0}.nav-core a{text-decoration:none;padding:9px 10px;border-radius:10px;font-weight:700;font-size:14px;white-space:nowrap}.nav-core a:hover,.nav-core a.is-current{background:#e7f8f8;color:var(--brand)}.header-actions{display:flex;align-items:center;gap:8px}.main-btn,.ghost-btn{display:inline-flex;align-items:center;justify-content:center;height:40px;min-width:72px;padding:0 17px;border-radius:999px;text-decoration:none;font-weight:800;touch-action:manipulation}.main-btn{background:linear-gradient(135deg,#31c7c1,#1596a0 52%,#0f6677);color:#fff;box-shadow:0 10px 22px rgba(21,139,149,.2)}.ghost-btn{background:#fff;color:var(--brand);border:1px solid rgba(21,139,149,.28)}.mobile-header{display:none}.channel-bar{background:#f7fcfc;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.channel-inner{max-width:1180px;margin:auto;padding:0 18px;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}.channel-inner::-webkit-scrollbar{display:none}.channel-inner a{padding:9px 10px;text-decoration:none;color:var(--muted);font-size:13px;white-space:nowrap}.channel-inner a:hover,.channel-inner a.is-current{color:var(--brand);font-weight:800}.site-main{max-width:1180px;margin:0 auto;padding:24px 18px 70px}.breadcrumb{font-size:13px;color:var(--muted);margin:0 0 12px}.breadcrumb a{text-decoration:none;color:var(--brand)}.carousel{margin-bottom:24px}.carousel-stage{position:relative;overflow:hidden;border-radius:18px;background:#fff;box-shadow:var(--shadow);aspect-ratio:16/4}.carousel-slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .35s}.carousel-slide.is-active{opacity:1;pointer-events:auto}.carousel-slide img,.carousel-placeholder{width:100%;height:100%;object-fit:contain;display:block;background:#e8f5f6}.carousel-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:2;width:42px;height:42px;border-radius:50%;border:0;background:rgba(255,255,255,.9);color:var(--deep);font-size:28px;cursor:pointer;touch-action:manipulation}.carousel-arrow.prev{left:14px}.carousel-arrow.next{right:14px}.carousel-dots{position:absolute;z-index:2;left:50%;bottom:12px;transform:translateX(-50%);display:flex;gap:8px}.carousel-dot{width:8px;height:8px;padding:0;border:0;border-radius:999px;background:rgba(13,72,90,.25);cursor:pointer;touch-action:manipulation}.carousel-dot.is-active{width:24px;background:var(--brand)}.hero-new{display:grid;grid-template-columns:1.25fr .75fr;gap:20px;margin-bottom:24px}.hero-copy,.hero-aside,.article-card,.soft-band,.index-card,.topic-card,.service-card,.step-card,.faq-item{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.hero-copy{padding:34px}.hero-copy .eyebrow{display:inline-flex;background:#e5f7f6;color:var(--brand);font-size:13px;font-weight:800;padding:5px 10px;border-radius:999px}.hero-copy h1{font-size:clamp(28px,4vw,44px);line-height:1.18;margin:14px 0 14px;color:var(--deep)}.hero-copy p{font-size:17px;color:#365769;margin:0}.hero-aside{padding:24px;display:flex;flex-direction:column;justify-content:center}.hero-aside h2{font-size:18px;margin:0 0 10px}.hero-aside ul{padding-left:20px;margin:0;color:var(--muted)}.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.index-card{padding:20px;text-decoration:none;transition:.18s}.index-card:hover{transform:translateY(-2px);border-color:rgba(21,139,149,.34)}.index-card strong{display:block;color:var(--deep);font-size:18px;margin-bottom:5px}.index-card span{display:block;color:var(--muted);font-size:14px;line-height:1.65}.soft-band{padding:20px 24px;margin:24px 0;background:linear-gradient(135deg,#e8f8f7,#f8ffff);color:#365769}.content-split{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:24px 0}.article-card{padding:26px}.article-card h2,.section-title{color:var(--deep);line-height:1.35}.article-card h2{font-size:24px;margin:0 0 12px}.article-card p{margin:0 0 14px;color:#365769}.text-links{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}.text-links a{padding:8px 12px;border-radius:999px;background:#edf9f8;color:var(--brand);text-decoration:none;font-weight:800;font-size:14px}.media{position:relative;width:100%;overflow:hidden;border-radius:18px;background:#e8f5f6;aspect-ratio:16/9;border:1px solid var(--line)}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center;display:block}.media-placeholder{width:100%;height:100%;min-height:180px;background:linear-gradient(135deg,#e4f4f5,#f8ffff)}.feature-strip{display:grid;grid-template-columns:300px 1fr;gap:20px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow);margin:24px 0}.feature-strip .media{height:170px;aspect-ratio:auto}.page-head{padding:30px 32px;background:linear-gradient(135deg,#ffffff,#eefbfa);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);margin-bottom:20px}.page-head h1{font-size:clamp(28px,4vw,40px);line-height:1.25;margin:0 0 10px;color:var(--deep)}.page-head p{margin:0;color:#456477;font-size:16px}.content-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:20px 0}.topic-card,.service-card,.step-card{padding:22px}.topic-card h2,.service-card h2,.step-card h2{margin:0 0 8px;color:var(--deep);font-size:20px}.topic-card p,.service-card p,.step-card p{margin:0;color:#456477}.three-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:20px 0}.note-list{background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 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0;padding-top:18px;border-top:1px solid rgba(255,255,255,.15);display:flex;justify-content:space-between;gap:20px;font-size:13px;color:#bfe6e7}.footer-bottom p{margin:0}.float-tools{position:fixed;right:18px;bottom:90px;z-index:8000;display:flex;flex-direction:column;gap:7px}.float-tools a,.float-tools button{width:70px;min-height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--deep);display:flex;align-items:center;justify-content:center;text-decoration:none;font-weight:800;font-size:12px;box-shadow:var(--shadow);cursor:pointer;touch-action:manipulation}.float-tools .float-primary{background:var(--brand);color:#fff}.mobile-bottom{display:none}.mobile-drawer,.drawer-mask{display:none}
@media(max-width:1080px){.nav-core a{padding:9px 7px}.quick-grid{grid-template-columns:repeat(2,1fr)}.three-grid{grid-template-columns:1fr 1fr}.carousel-stage{aspect-ratio:16/5}}
@media(max-width:980px){body{padding-bottom:66px}.desktop-header,.channel-bar,.float-tools{display:none}.mobile-header{min-height:62px;padding:0 12px;display:grid;grid-template-columns:72px 1fr 118px;align-items:center;gap:8px;background:#fff}.menu-button{border:0;background:#edf9f8;color:var(--brand);height:40px;border-radius:12px;font-weight:800;touch-action:manipulation}.mobile-logo{display:flex;justify-content:center;min-width:0}.mobile-logo img{height:34px;width:auto;max-width:126px}.mobile-actions{display:flex;justify-content:flex-end;align-items:center;gap:5px}.mini-link,.mini-main{display:inline-flex;align-items:center;justify-content:center;height:36px;min-width:52px;border-radius:999px;text-decoration:none;font-size:13px;font-weight:800;touch-action:manipulation}.mini-link{color:var(--brand);border:1px solid rgba(21,139,149,.24);background:#fff}.mini-main{color:#fff;background:var(--brand)}.site-main{padding:18px 14px 40px}.hero-new,.content-split,.feature-strip{grid-template-columns:1fr}.hero-copy{padding:25px}.feature-strip .media{height:auto;aspect-ratio:16/9}.carousel-stage{aspect-ratio:16/6}.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#fff;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(16,43,70,.16)}.mobile-drawer.is-open{transform:translateX(0)}.drawer-mask{display:none;position:fixed;inset:0;background:rgba(13,72,90,.42);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}.drawer-open{overflow:hidden}.drawer-head{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid var(--line)}.drawer-logo img{height:34px;width:auto;max-width:130px}.drawer-close{height:40px;padding:0 13px;border:0;border-radius:10px;background:#edf9f8;color:var(--brand);font-weight:800;touch-action:manipulation}.drawer-scroll{height:calc(100vh - 64px);overflow-y:auto;padding:14px 16px 28px}.drawer-scroll section{padding-bottom:14px;margin-bottom:14px;border-bottom:1px solid var(--line)}.drawer-scroll section h2{font-size:13px;color:var(--muted);margin:0 0 6px}.drawer-scroll section a{display:block;text-decoration:none;padding:8px 3px;font-weight:700}.drawer-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.mobile-bottom{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;z-index:8500;background:#fff;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:56px;display:flex;align-items:center;justify-content:center;text-decoration:none;font-size:13px;font-weight:800;color:var(--deep);touch-action:manipulation}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.content-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.mobile-header{grid-template-columns:64px 1fr 112px}.hero-copy h1{font-size:28px}.hero-new,.quick-grid,.content-grid,.three-grid{grid-template-columns:1fr}.quick-grid{gap:10px}.page-head{padding:24px 20px}.article-card{padding:22px}.carousel-stage{aspect-ratio:16/7}.carousel-arrow{width:36px;height:36px}.footer-grid{grid-template-columns:1fr}.site-footer{padding-bottom:28px}}