/* 大鱼第二套：设备与协议路线、分组式报价、分阶段图文。 */
.dayu-b{--db-ink:#1d3045;--db-muted:#52677b;--db-blue:#1f5e94;--db-dark:#20354d;--db-line:#d9e1e8;--db-orange:#dc8318;margin:0;background:#fff;color:var(--db-ink);font:16px/1.8 "Microsoft YaHei","PingFang SC",sans-serif;-webkit-font-smoothing:antialiased}
.dayu-b *{box-sizing:border-box}.dayu-b [hidden]{display:none!important}.dayu-b h1,.dayu-b h2,.dayu-b h3,.dayu-b p,.dayu-b figure{margin:0}.dayu-b h1,.dayu-b h2,.dayu-b h3{font-weight:700;color:var(--db-ink);line-height:1.5;text-wrap:balance}.dayu-b h2{font-size:28px}.dayu-b h3{font-size:19px}.dayu-b a{color:var(--db-blue);text-decoration:none;overflow-wrap:anywhere}.dayu-b a:hover{text-decoration:underline;text-underline-offset:5px}.dayu-b img{max-width:100%;height:auto}.dayu-b button,.dayu-b input{font:inherit}.dayu-b button{cursor:pointer}.dayu-b :is(a,button,input,summary):focus-visible{outline:3px solid #e9a247;outline-offset:4px}.dayu-b .shell{width:calc(100% - 48px);max-width:1160px;padding:0;margin-inline:auto}.dayu-b section[id]{scroll-margin-top:145px}.dayu-b .db-kicker{font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--db-blue);margin:0 0 12px}
.dayu-b .db-header{position:sticky;top:0;z-index:30;background:#fff;border-bottom:1px solid var(--db-line)}.dayu-b .db-masthead{min-height:76px;display:flex;align-items:center;gap:28px}.dayu-b .db-brand{display:flex;align-items:center;gap:10px;color:var(--db-ink);text-decoration:none;flex-shrink:0}.dayu-b .db-brand img{width:44px;height:44px;object-fit:contain}.dayu-b .db-brand span{font-size:23px;font-weight:700;line-height:1.3}.dayu-b .db-brand small{font-size:10px;letter-spacing:.08em;display:block;color:var(--db-muted);font-weight:400;margin-top:4px}.dayu-b .db-header-note{margin-left:auto;color:var(--db-muted);font-size:12px}.dayu-b .db-register{display:flex;align-items:center;justify-content:center;padding:9px 18px;min-height:44px;background:var(--db-blue);color:#fff;font-size:13px;font-weight:600;border-radius:4px;white-space:nowrap}.dayu-b .db-mainnav{background:var(--db-dark)}.dayu-b .db-mainnav>.shell{display:flex;align-items:center;gap:0}.dayu-b .db-mainnav a{display:flex;align-items:center;justify-content:center;min-height:50px;color:#ebf1f6;font-size:14px;padding:10px 25px;position:relative}.dayu-b .db-mainnav a[aria-current]{background:#314c69;color:#fff;box-shadow:inset 0 -3px var(--db-orange)}.dayu-b .db-menu{display:none;min-height:44px;padding:6px 12px;background:white;border:1px solid var(--db-line);color:var(--db-ink);border-radius:4px}.dayu-b .db-button{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 22px;background:var(--db-blue);color:#fff;font-size:15px;font-weight:600;border:1px solid var(--db-blue);border-radius:4px;text-decoration:none}.dayu-b .db-button:hover{background:#14466f;text-decoration:none;color:white}.dayu-b .db-actions{display:flex;align-items:center;flex-wrap:wrap;gap:24px;margin-top:28px}.dayu-b .db-text{display:inline-flex;align-items:center;min-height:44px;color:var(--db-blue);font-weight:600;font-size:14px}
.dayu-b .db-hero{background:#263e59;padding:44px 0 42px;color:#fff}.dayu-b .db-hero-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:54px;align-items:center}.dayu-b .db-hero h1{color:#fff;font-size:58px;line-height:1.25;letter-spacing:-.03em;margin:0 0 22px}.dayu-b .db-hero h1 span{display:block;font-size:34px;line-height:1.55;letter-spacing:-.015em;margin-top:14px}.dayu-b .db-hero-grid>div>p:not(.db-kicker){color:#dce5ee;font-size:16px;line-height:1.9;max-width:460px}.dayu-b .db-hero .db-kicker{color:#c9d9e7;font-size:12px}.dayu-b .db-hero .db-button{background:#fff;border-color:#fff;color:#1b4165}.dayu-b .db-hero .db-text{color:#fff}.dayu-b .db-hero .db-hero-meta{font-size:12px!important;color:#bfd0df!important;margin-top:22px}.dayu-b .db-art{margin:0;min-width:0}.dayu-b .db-art a{display:block}.dayu-b .db-art img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;border-radius:4px}.dayu-b .db-art figcaption{font-size:12px;line-height:1.7;color:var(--db-muted);margin-top:9px;text-align:right}.dayu-b .db-hero .db-art figcaption{color:#c2d2e0}.dayu-b .db-section{padding-block:58px}.dayu-b .db-section-heading{max-width:780px;margin-bottom:30px}.dayu-b .db-section-heading h2{font-size:31px;margin:0 0 12px}.dayu-b .db-section-heading>p:not(.db-kicker){color:var(--db-muted);font-size:15px}.dayu-b .db-route-list{display:block;border-top:1px solid var(--db-line)}.dayu-b .db-route-list>a{display:grid;grid-template-columns:70px 1fr 175px;gap:20px;align-items:center;border:0;border-bottom:1px solid var(--db-line);border-radius:0;background:white;box-shadow:none;min-height:130px;padding:24px 5px;color:var(--db-ink);transform:none}.dayu-b .db-route-list>a:hover{transform:none;background:#f7f9fb;text-decoration:none}.dayu-b .db-route-list b{font:700 34px/1 sans-serif;color:#adbbc8}.dayu-b .db-route-list h3{font-size:22px;margin-bottom:6px}.dayu-b .db-route-list p{font-size:15px;color:var(--db-muted)}.dayu-b .db-route-list a>span{font-size:14px;color:var(--db-blue);text-align:right}.dayu-b .db-band{background:#edf2f6;border-block:1px solid var(--db-line)}.dayu-b .db-band-inner{padding-block:38px;display:flex;align-items:center;justify-content:space-between;gap:40px}.dayu-b .db-band h2{font-size:30px;margin:0 0 10px}.dayu-b .db-band p{font-size:15px;max-width:710px;color:var(--db-muted)}.dayu-b .db-band .db-button{flex-shrink:0}.dayu-b .db-task-links{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}.dayu-b .db-task-links a{padding-top:23px;border-top:3px solid #b8c9d8;color:var(--db-ink)}.dayu-b .db-task-links strong{display:block;font-size:18px;line-height:1.6;margin-bottom:9px}.dayu-b .db-task-links span{display:block;font-size:14px;color:var(--db-muted)}.dayu-b .db-light{background:#f5f7f9}.dayu-b .db-questions>section{display:grid;grid-template-columns:50px 1fr;gap:24px;padding:24px 0;border-bottom:1px solid var(--db-line)}.dayu-b .db-questions>section>span{font-size:13px;color:#8a5d23;margin-top:4px}.dayu-b .db-questions h2{font-size:19px;margin-bottom:10px;text-wrap:pretty}.dayu-b .db-questions p{color:var(--db-muted);font-size:15px;max-width:950px}.dayu-b .db-more{display:inline-flex;align-items:center;min-height:44px;font-size:15px;font-weight:600;margin-top:24px}
.dayu-b .db-page-intro{padding-top:32px;padding-bottom:30px;border-bottom:1px solid var(--db-line)}.dayu-b .db-page-intro h1{font-size:34px;max-width:930px;line-height:1.5;margin-bottom:12px}.dayu-b .db-page-intro>p:not(.db-kicker){color:var(--db-muted);font-size:16px;max-width:850px}.dayu-b .db-selection-overview{display:grid;grid-template-columns:.9fr 1.1fr;gap:70px;align-items:center}.dayu-b .db-selection-route{padding:20px 0;border-bottom:1px solid var(--db-line)}.dayu-b .db-selection-route:first-child{padding-top:0}.dayu-b .db-selection-route:last-child{border:0}.dayu-b .db-selection-route>span{font-size:12px;color:var(--db-blue);font-weight:600}.dayu-b .db-selection-route h2{font-size:25px;margin:7px 0 9px}.dayu-b .db-selection-route p{font-size:14px;color:var(--db-muted)}.dayu-b .db-route-detail{padding-top:0}.dayu-b .db-route-detail>section{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px;padding:42px 0;border-top:1px solid var(--db-line)}.dayu-b .db-route-detail h2{font-size:25px}.dayu-b .db-route-detail article{padding:18px 0;border-bottom:1px solid var(--db-line)}.dayu-b .db-route-detail article:first-child{padding-top:0}.dayu-b .db-route-detail article:last-child{border:0}.dayu-b .db-route-detail h3{margin-bottom:9px}.dayu-b .db-route-detail p{color:var(--db-muted);font-size:15px}.dayu-b .db-route-detail article>a{display:inline-flex;align-items:center;min-height:44px;font-size:14px;margin-top:5px}
.dayu-b .db-prices{padding-top:24px}.dayu-b .db-price-controls{border-bottom:1px solid var(--db-line);padding-bottom:20px}.dayu-b .db-filter-tabs{display:flex;flex-wrap:wrap;gap:9px;margin-bottom:18px}.dayu-b :is(.db-filter-tabs,.db-search-row,.db-help-tools) button{min-height:44px;border:1px solid #acbfce;background:#fff;padding:8px 15px;color:var(--db-blue);border-radius:4px;font-size:14px}.dayu-b [aria-pressed=true]{background:var(--db-blue)!important;color:white!important;border-color:var(--db-blue)!important}.dayu-b label{display:grid;gap:8px;font-size:13px;font-weight:600}.dayu-b input{min-height:46px;min-width:0;border:1px solid #a7bacb;background:#fff;color:var(--db-ink);padding:10px 12px;border-radius:4px;font-size:15px}.dayu-b .db-search-row{display:flex;align-items:end;gap:12px;max-width:620px}.dayu-b .db-search-row label{flex:1}.dayu-b .result-count{font-size:13px;color:var(--db-muted);margin:16px 0}.dayu-b .db-price-table{border-top:3px solid var(--db-blue)}.dayu-b .db-price-row{display:grid;grid-template-columns:1.2fr 1.4fr .6fr;gap:15px 30px;align-items:center;border-bottom:1px solid var(--db-line);padding:27px 4px;min-width:0}.dayu-b .db-price-product>span{font-size:12px;color:var(--db-blue)}.dayu-b .db-price-product h2{font-size:20px;line-height:1.65;margin:6px 0}.dayu-b .db-price-product p{font-size:13px;color:var(--db-muted)}.dayu-b .db-periods{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.dayu-b .price-cell{text-align:left;padding-left:18px;border-left:1px solid var(--db-line)}.dayu-b .price-cell>span{display:block;font-size:13px}.dayu-b .price-cell small{display:block;font-size:11px;color:var(--db-muted);margin-top:1px}.dayu-b .price-cell strong{display:block;font-size:28px;color:var(--db-blue);line-height:1.5;margin-top:10px}.dayu-b .unsupported{display:block;font-size:14px;font-weight:400;color:var(--db-muted);line-height:42px;margin-top:10px}.dayu-b .db-price-action{display:grid;gap:6px;justify-items:center}.dayu-b .db-price-action .db-button{font-size:13px;padding:9px 13px;white-space:nowrap}.dayu-b .db-price-action>a:last-child{font-size:12px;min-height:34px;display:flex;align-items:center}.dayu-b .db-product-note{grid-column:1/-1;color:var(--db-muted);font-size:13px;max-width:920px;margin-top:1px}.dayu-b .db-price-explanation{display:grid;grid-template-columns:.7fr 2.3fr;gap:40px;padding:30px 0}.dayu-b .db-price-explanation h2{font-size:22px}.dayu-b .db-price-explanation p{font-size:14px;color:var(--db-muted)}.dayu-b .empty-result{padding:22px;background:#f6f0e7;border:1px solid #e3c8a5}.dayu-b .empty-result button{min-height:44px;background:none;border:0;color:var(--db-blue);text-decoration:underline}
.dayu-b .db-tutorial-start{display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;padding-block:28px}.dayu-b .db-tutorial-start h2{font-size:22px;margin-bottom:10px}.dayu-b .db-tutorial-start p{font-size:15px;color:var(--db-muted)}.dayu-b .registration-url{overflow-wrap:anywhere;margin-top:10px;font-size:13px!important}.dayu-b code{white-space:normal;overflow-wrap:anywhere;font-family:Consolas,"Microsoft YaHei",monospace}.dayu-b .db-phase-nav{display:flex;gap:26px;border-top:1px solid var(--db-line);border-bottom:1px solid var(--db-line);padding-block:8px;margin-top:10px}.dayu-b .db-phase-nav a{font-size:14px;font-weight:600;min-height:44px;display:flex;align-items:center}.dayu-b .db-tutorial{padding-bottom:65px}.dayu-b .db-phase{display:grid;grid-template-columns:190px minmax(0,820px);gap:52px;padding:40px 0;border-bottom:1px solid var(--db-line)}.dayu-b .db-phase>header{padding-top:7px}.dayu-b .db-phase>header>span{font:700 30px/1.4 sans-serif;color:#aebfce}.dayu-b .db-phase>header h2{font-size:22px;margin-top:9px}.dayu-b .db-step{margin:0 0 38px;scroll-margin-top:145px}.dayu-b .db-step:last-child{margin-bottom:0}.dayu-b .db-step h3{font-size:23px;margin-bottom:17px}.dayu-b .db-step p,.dayu-b .db-phase>div>p{font-size:17px;line-height:1.95;margin:15px 0;color:#344e64}.dayu-b .tutorial-figure{margin:24px 0 0}.dayu-b .tutorial-figure a{display:block;border:1px solid var(--db-line);background:#f1f4f7}.dayu-b .tutorial-figure img{display:block;width:100%;height:auto;object-fit:contain}.dayu-b .tutorial-figure figcaption{font-size:13px;line-height:1.8;color:var(--db-muted);margin-top:11px}.dayu-b .db-check-list{padding:10px 24px;background:#f1f5f8;border-left:3px solid var(--db-orange);margin-top:24px}.dayu-b .db-check-list p{font-size:15px;line-height:1.9;margin:10px 0}.dayu-b .db-phase .db-questions>section{grid-template-columns:28px 1fr;gap:10px}.dayu-b .db-phase .db-questions h2{font-size:18px}.dayu-b .db-phase .db-questions p{font-size:15px}
.dayu-b .db-help-top{display:grid;grid-template-columns:1fr 1fr;gap:50px;padding-bottom:30px;border-bottom:1px solid var(--db-line)}.dayu-b .db-help-guide{display:block;background:#eaf0f5;padding:28px;border-left:3px solid var(--db-orange);color:var(--db-ink)}.dayu-b .db-help-guide h2{font-size:26px;margin:8px 0 14px}.dayu-b .db-help-guide>p:not(.db-kicker){font-size:15px;color:var(--db-muted)}.dayu-b .db-help-guide strong{display:block;font-size:14px;color:var(--db-blue);margin-top:22px}.dayu-b .db-help-tools label{margin-bottom:12px}.dayu-b .db-help-tools>div{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}.dayu-b .db-help-tools button{font-size:13px;padding-inline:12px}.dayu-b .db-help-groups>section{padding-block:32px;border-bottom:1px solid var(--db-line)}.dayu-b .db-help-groups>section>h2{font-size:21px;margin-bottom:12px;color:var(--db-blue)}.dayu-b .db-help-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px}.dayu-b .db-help-list>a{display:flex;align-items:start;gap:20px;justify-content:space-between;padding:20px 0;border-bottom:1px solid #e5ebf0;color:var(--db-ink);min-width:0}.dayu-b .db-help-list h3{font-size:17px;line-height:1.75;text-wrap:pretty;margin-bottom:7px}.dayu-b .db-help-list p{font-size:14px;color:var(--db-muted);line-height:1.85}.dayu-b .db-help-list>a>span{flex-shrink:0;color:var(--db-blue);margin-top:3px}.dayu-b .db-faq-page{max-width:1000px}.dayu-b .db-sitemap{display:grid;grid-template-columns:1fr 1fr 1.25fr;gap:50px}.dayu-b .db-sitemap h2{font-size:23px;margin-bottom:18px}.dayu-b .db-sitemap a{display:block;padding-block:9px;font-size:14px}
.dayu-b .db-footer{background:#f1f4f7;border-top:1px solid var(--db-line);padding-top:45px}.dayu-b .db-footer-top{display:grid;grid-template-columns:1.7fr 1.1fr 1.2fr 1fr;gap:34px}.dayu-b .db-footer h2{font-size:15px;margin:0 0 16px}.dayu-b .db-footer-top>div:first-child>p{font-size:13px;line-height:1.95;color:var(--db-muted);margin-top:16px}.dayu-b .db-footer a:not(.db-brand),.dayu-b .db-footer button{font-size:13px;color:#4c657c;display:block;padding:6px 0;min-height:32px}.dayu-b .db-footer button{border:0;background:none;text-align:left}.dayu-b .db-legal{display:flex;align-items:center;flex-wrap:wrap;gap:4px 20px;border-top:1px solid var(--db-line);padding-top:18px;margin-top:32px}.dayu-b .db-legal img{vertical-align:middle;margin-right:5px}.dayu-b .db-copyright{text-align:center;padding:22px 24px 28px}.dayu-b .db-copyright p{font-size:14px;font-weight:600}.dayu-b .db-copyright small{font-size:12px;color:var(--db-muted)}
.dayu-b .sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.dayu-b .skip-link{position:absolute;left:12px;top:-70px;background:white;padding:10px 15px;z-index:100}.dayu-b .skip-link:focus{top:12px}.dayu-b dialog{position:fixed;inset:0;margin:auto;border:0;border-radius:7px;background:#fff;color:var(--db-ink);padding:40px 25px 24px;max-height:calc(100dvh - 32px);max-width:calc(100vw - 32px)}.dayu-b dialog::backdrop{background:#0b1a2bcc}.dayu-b .dialog-close{position:absolute;top:0;right:0;min-width:44px;min-height:44px;font-size:28px;background:#fff;border:0;color:var(--db-ink);z-index:2}.dayu-b .support-dialog{width:360px}.dayu-b .support-dialog h2{font-size:22px;margin-bottom:16px}.dayu-b .support-dialog p{font-size:15px;margin:12px 0}.dayu-b .support-dialog .wechat-qr{display:block;margin:20px auto;max-width:100%;height:auto}.dayu-b .support-dialog [data-copy]{min-height:44px;padding:8px 15px;background:var(--db-blue);color:white;border:0;border-radius:4px}.dayu-b .copy-number{font-size:24px!important;user-select:all}.dayu-b .copy-status{color:var(--db-blue);font-size:13px!important}.dayu-b .image-dialog{width:max-content;padding:44px 12px 12px}.dayu-b .image-dialog>img{display:block;width:auto;max-width:calc(100vw - 60px);max-height:calc(100dvh - 140px);height:auto;object-fit:contain}.dayu-b .image-dialog>p{text-align:center;font-size:12px;margin-top:10px;max-width:1000px}
@media(max-width:1050px){.dayu-b .db-hero-grid{gap:30px}.dayu-b .db-hero h1{font-size:48px}.dayu-b .db-hero h1 span{font-size:29px}.dayu-b .db-header-note{font-size:11px}.dayu-b .db-mainnav a{padding-inline:21px}.dayu-b .db-price-row{gap:15px 22px;grid-template-columns:1.15fr 1.45fr .65fr}.dayu-b .db-price-product h2{font-size:19px}.dayu-b .db-phase{grid-template-columns:155px minmax(0,1fr);gap:30px}.dayu-b .db-footer-top{grid-template-columns:1.5fr 1fr;gap:35px}}
@media(max-width:850px){.dayu-b .db-masthead{min-height:74px;gap:15px}.dayu-b .db-header-note{display:none}.dayu-b .db-menu{display:block;margin-left:auto}.dayu-b .db-register{font-size:12px;padding-inline:12px}.dayu-b .db-mainnav{display:none}.dayu-b .db-mainnav.is-open{display:block}.dayu-b .db-mainnav>.shell{display:grid;grid-template-columns:repeat(3,1fr);padding-block:7px}.dayu-b .db-mainnav a{min-height:44px;padding:8px 10px;font-size:13px}.dayu-b .db-hero-grid{grid-template-columns:1fr 1fr;gap:25px}.dayu-b .db-hero h1 span{font-size:27px}.dayu-b .db-hero-grid>div>p:not(.db-kicker){font-size:14px}.dayu-b .db-hero .db-actions{gap:12px;margin-top:20px}.dayu-b .db-hero .db-text{font-size:13px}.dayu-b .db-hero .db-button{padding:10px 15px;font-size:13px}.dayu-b .db-task-links{grid-template-columns:repeat(2,1fr)}.dayu-b .db-selection-overview{gap:35px}.dayu-b .db-route-detail>section{gap:35px}.dayu-b .db-price-row{grid-template-columns:1fr 1.4fr;gap:18px 25px}.dayu-b .db-price-action{grid-column:1/-1;display:flex;gap:20px;justify-content:flex-start}.dayu-b .db-product-note{grid-row:2;grid-column:1/-1}.dayu-b .db-price-action{grid-row:3}.dayu-b .db-price-explanation{grid-template-columns:1fr;gap:15px}.dayu-b .db-help-top{gap:30px}.dayu-b .db-phase-nav{gap:12px;flex-wrap:wrap}.dayu-b .db-phase-nav a{font-size:13px}.dayu-b section[id]{scroll-margin-top:100px}.dayu-b .db-step{scroll-margin-top:100px}}
@media(max-width:650px){.dayu-b .shell{width:calc(100% - 40px)}.dayu-b .db-brand img{width:37px;height:37px}.dayu-b .db-brand span{font-size:21px}.dayu-b .db-register{display:none}.dayu-b .db-brand small{font-size:10px}.dayu-b .db-hero{padding-block:30px}.dayu-b .db-hero-grid{grid-template-columns:1fr;gap:26px}.dayu-b .db-hero h1{font-size:44px;margin-bottom:15px}.dayu-b .db-hero h1 span{font-size:28px;margin-top:8px;line-height:1.5}.dayu-b .db-hero-grid>div>p:not(.db-kicker){font-size:15px;line-height:1.85;max-width:none}.dayu-b .db-hero .db-hero-meta{margin-top:14px}.dayu-b .db-art figcaption{font-size:11px}.dayu-b .db-section{padding-block:38px}.dayu-b .db-section-heading{margin-bottom:22px}.dayu-b .db-section-heading h2{font-size:26px}.dayu-b .db-route-list>a{grid-template-columns:35px 1fr;gap:7px 13px;padding:21px 0;min-height:0}.dayu-b .db-route-list b{font-size:25px;grid-row:1/3;align-self:start;margin-top:5px}.dayu-b .db-route-list h3{font-size:20px;margin-bottom:9px}.dayu-b .db-route-list p{font-size:14px}.dayu-b .db-route-list a>span{grid-column:2;text-align:left;font-size:13px;min-height:34px;display:flex;align-items:center}.dayu-b .db-band-inner{flex-direction:column;align-items:start;gap:20px;padding-block:30px}.dayu-b .db-band h2{font-size:25px}.dayu-b .db-band p{font-size:14px}.dayu-b .db-task-links{gap:24px 20px}.dayu-b .db-task-links strong{font-size:17px}.dayu-b .db-task-links span{font-size:13px}.dayu-b .db-questions>section{grid-template-columns:25px 1fr;gap:12px;padding:20px 0}.dayu-b .db-questions h2{font-size:18px}.dayu-b .db-questions p{font-size:14px}.dayu-b .db-page-intro{padding-top:26px;padding-bottom:24px}.dayu-b .db-page-intro h1{font-size:27px;line-height:1.5}.dayu-b .db-page-intro>p:not(.db-kicker){font-size:14px}.dayu-b .db-kicker{font-size:12px;margin-bottom:9px}.dayu-b .db-selection-overview{grid-template-columns:1fr;gap:24px}.dayu-b .db-selection-route h2{font-size:23px}.dayu-b .db-route-detail>section{grid-template-columns:1fr;gap:25px;padding-block:30px}.dayu-b .db-route-detail h2{font-size:24px}.dayu-b .db-route-detail p{font-size:14px}.dayu-b .db-prices{padding-top:22px}.dayu-b .db-filter-tabs{gap:8px}.dayu-b .db-filter-tabs button{font-size:13px;padding-inline:11px}.dayu-b .db-search-row{gap:10px}.dayu-b .db-search-row input{width:100%}.dayu-b .db-search-row button{padding-inline:10px;font-size:13px}.dayu-b .db-price-row{grid-template-columns:1fr;gap:17px;padding:24px 0}.dayu-b .db-price-product h2{font-size:22px}.dayu-b .db-periods{grid-row:2;gap:0;border-top:1px solid #e7edf2;border-bottom:1px solid #e7edf2;padding:16px 0}.dayu-b .price-cell{padding-left:14px}.dayu-b .price-cell:first-child{padding-left:0;border-left:0}.dayu-b .price-cell strong{font-size:27px;margin-top:8px}.dayu-b .db-product-note{grid-row:3;line-height:1.85}.dayu-b .db-price-action{grid-row:4}.dayu-b .db-price-explanation{padding:25px 0 0}.dayu-b .db-price-explanation h2{font-size:22px}.dayu-b .db-tutorial-start{grid-template-columns:1fr;gap:18px;padding-block:24px}.dayu-b .db-tutorial-start .db-button{justify-self:start;font-size:14px}.dayu-b .db-tutorial-start p{font-size:14px}.dayu-b .db-phase-nav{display:grid;grid-template-columns:1fr 1fr;gap:0 10px;margin-top:0;padding-block:8px}.dayu-b .db-phase-nav a{font-size:12px;min-height:40px}.dayu-b .db-phase{grid-template-columns:1fr;gap:24px;padding-block:30px}.dayu-b .db-phase>header{display:flex;align-items:center;gap:15px;padding-top:0}.dayu-b .db-phase>header>span{font-size:26px}.dayu-b .db-phase>header h2{font-size:21px;margin:0}.dayu-b .db-step{margin-bottom:30px}.dayu-b .db-step h3{font-size:22px;margin-bottom:12px}.dayu-b .db-step p,.dayu-b .db-phase>div>p{font-size:16px;line-height:1.95;margin:13px 0}.dayu-b .tutorial-figure{margin-top:20px}.dayu-b .tutorial-figure figcaption{font-size:12px}.dayu-b .db-check-list{padding:10px 18px}.dayu-b .db-help-top{grid-template-columns:1fr;gap:27px}.dayu-b .db-help-guide{padding:23px}.dayu-b .db-help-guide h2{font-size:24px}.dayu-b .db-help-list{grid-template-columns:1fr}.dayu-b .db-help-list>a{padding-block:18px}.dayu-b .db-help-list h3{font-size:17px}.dayu-b .db-help-groups>section{padding-block:25px}.dayu-b .db-sitemap{grid-template-columns:1fr;gap:30px}.dayu-b .db-footer{padding-top:32px}.dayu-b .db-footer-top{grid-template-columns:1fr 1fr;gap:27px 22px}.dayu-b .db-footer-top>div:first-child,.dayu-b .db-footer-top>div:last-child{grid-column:1/-1}.dayu-b .db-footer a:not(.db-brand),.dayu-b .db-footer button{min-height:38px}.dayu-b .db-legal{margin-top:24px;gap:4px 15px}.dayu-b .db-legal a{font-size:11px!important;min-height:25px!important}.dayu-b .db-copyright{padding-inline:20px}}
@media(prefers-reduced-motion:reduce){.dayu-b *{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

/* 第二套：分类报价与任务阅读，保留独立骨架。 */

.dayu-b .db-hero h1 span{white-space:normal}
.dayu-b .contact-icon{display:inline-block;width:24px;height:24px;padding:4px;border-radius:50%;background:#1488ce;object-fit:contain;flex-shrink:0;vertical-align:middle;margin-right:7px}.dayu-b [data-support=wechat] .contact-icon{background:#15984b}
.dayu-b .db-footer button[data-support]{display:flex;align-items:center;min-height:44px}
.dayu-b .db-hero-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}.dayu-b .db-hero-grid>div{min-width:0}.dayu-b .db-hero p{margin-inline:0}.dayu-b .db-section{padding-block:44px}.dayu-b .db-page-intro{padding-top:28px;padding-bottom:24px}.dayu-b .db-page-intro h1{font-size:30px;line-height:1.5}.dayu-b .db-page-intro>p{line-height:1.85}
.dayu-b :is(.db-help-guide,.db-help-list>a,.db-task-links a):hover{text-decoration:none}.dayu-b .db-help-list>a:hover h3{text-decoration:underline;text-underline-offset:5px}.dayu-b .db-help-list p{font-size:15px;line-height:1.8}.dayu-b .db-help-top{gap:38px;padding-bottom:24px}.dayu-b .db-help-guide{padding:24px}.dayu-b .db-help-groups>section{padding-block:26px}.dayu-b .db-step p{max-width:72ch}.dayu-b .db-phase{padding-block:32px;gap:38px}.dayu-b .db-step{margin-bottom:32px}
.dayu-b .db-prices{padding-top:18px}.dayu-b .db-price-controls{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:12px 20px;padding-bottom:14px}.dayu-b .db-filter-tabs{margin:0;gap:7px}.dayu-b .db-search-row{width:360px}.dayu-b .db-search-row input{width:100%;font-size:14px}.dayu-b .result-count{margin:12px 0 16px}.dayu-b .db-quote-groups>section{margin-bottom:25px}.dayu-b .db-quote-groups>section>h2{font-size:17px;margin-bottom:12px;padding-left:11px;border-left:3px solid var(--db-orange)}
.dayu-b .db-quote-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.dayu-b .db-quote-card{min-width:0;scroll-margin-top:145px;border:1px solid var(--db-line);background:#fff;padding:17px 20px;border-radius:5px}.dayu-b .db-quote-card>h2{font-size:18px;line-height:1.6;margin:0}.dayu-b .db-quote-meta{font-size:12px;color:var(--db-muted);margin-top:3px}.dayu-b .db-quote-periods{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;margin-top:13px;border-block:1px solid #e7edf2;padding-block:9px}.dayu-b .db-quote-periods .price-cell{padding-left:16px}.dayu-b .db-quote-periods .price-cell:first-child{padding-left:0;border:0}.dayu-b .db-quote-periods .price-cell>span{display:flex;align-items:baseline;gap:5px;font-size:12px}.dayu-b .db-quote-periods .price-cell small{font-size:10px;margin:0}.dayu-b .db-quote-periods .price-cell strong{font-size:24px;line-height:1.5;margin-top:2px;font-variant-numeric:tabular-nums}.dayu-b .db-quote-periods .unsupported{font-size:13px;line-height:2.2;margin-top:7px}
.dayu-b .db-quote-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:11px}.dayu-b .db-quote-actions .db-button{min-height:44px;padding:8px 14px;font-size:13px}.dayu-b .db-quote-actions>a:last-child{font-size:12px;display:flex;align-items:center;min-height:44px}.dayu-b .db-price-explanation{padding:0;display:block}.dayu-b .db-price-explanation h2{font-size:17px;margin-bottom:8px}.dayu-b .db-price-explanation p{font-size:13px;max-width:80ch}
@media(max-width:1050px){.dayu-b .db-price-controls{display:block}.dayu-b .db-search-row{width:100%;max-width:550px;margin-top:12px}.dayu-b .db-phase{gap:28px}}
@media(max-width:650px){.dayu-b .db-section{padding-block:32px}.dayu-b .db-hero-grid{grid-template-columns:minmax(0,1fr)}.dayu-b .db-hero h1 span{font-size:26px;line-height:1.5}.dayu-b .db-hero .db-kicker{max-width:100%;min-width:0}.dayu-b .db-page-intro{padding-top:24px;padding-bottom:20px}.dayu-b .db-page-intro h1{font-size:25px}.dayu-b .db-section-heading h2{font-size:24px}.dayu-b .db-help-guide{padding:20px}.dayu-b .db-help-guide h2{font-size:23px;line-height:1.55}.dayu-b .db-help-top{gap:24px}.dayu-b .db-help-list p{font-size:14px}.dayu-b .db-phase{gap:20px;padding-block:27px}.dayu-b .db-step h3{font-size:22px;line-height:1.55}.dayu-b .db-prices{padding-top:18px}.dayu-b .db-quote-grid{grid-template-columns:minmax(0,1fr);gap:12px}.dayu-b .db-quote-card{padding:16px 17px;scroll-margin-top:100px}.dayu-b .db-quote-card>h2{font-size:18px}.dayu-b .db-quote-periods{margin-top:10px;padding-block:8px}.dayu-b .db-quote-actions{margin-top:7px}.dayu-b .db-quote-groups>section{margin-bottom:23px}.dayu-b .db-quote-groups>section>h2{font-size:16px}.dayu-b .db-filter-tabs button{font-size:12px;padding-inline:9px}.dayu-b .db-phase-nav a{min-height:44px}}
@media(max-width:360px){.dayu-b .db-hero h1 span{font-size:24px;overflow-wrap:anywhere}.dayu-b .db-hero .db-actions{align-items:start;flex-direction:column;gap:8px}.dayu-b .db-quote-card{padding:15px}.dayu-b .db-quote-periods .price-cell{padding-left:9px}.dayu-b .db-quote-card>h2{font-size:17px}}




.dayu-b .support-dock{position:fixed;right:12px;bottom:28px;display:grid;gap:8px;z-index:25}
.dayu-b .support-dock button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;width:70px;min-height:72px;padding:8px 5px;line-height:1.4;background:#fff;border:1px solid #bdd0df;border-radius:6px;color:var(--db-blue);font-size:12px;box-shadow:none}
.dayu-b .support-dock .contact-icon{width:30px;height:30px;padding:5px;margin:0}
@media(max-width:1340px){.dayu-b .support-dock{position:static;display:flex;flex-direction:row;justify-content:center;background:#f2f5f8;padding:0 24px 24px;gap:12px}.dayu-b .support-dock button{flex-direction:row;gap:8px;width:auto;min-width:128px;min-height:48px;padding:8px 15px}.dayu-b .support-dock .contact-icon{width:26px;height:26px}}

/* 完整注册链接直接点击，保持长URL可换行和键盘焦点。 */
.dayu-b .registration-url .registration-link{display:block;min-height:44px;max-width:100%;padding-block:8px;color:var(--db-blue);text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere;line-height:1.8}
