/* Price, changelog and documentation pages. Layout follows the reference site,
   while color, spacing and chrome stay inside the Yunying visual system. */
.yy-product-page { clear: both; display: flow-root; color: #20242c; background: #fff; }
.yy-product-page .container { width: min(1200px, calc(100% - 40px)); }
.yy-product-hero { position: relative; overflow: hidden; min-height: 405px; padding: 125px 0 72px; background: linear-gradient(135deg, #fff8f1 0%, #fff 48%, #fff0df 100%); }
.yy-product-hero::before, .yy-product-hero::after { content: ""; position: absolute; border-radius: 50%; filter: blur(4px); pointer-events: none; }
.yy-product-hero::before { top: 15px; right: 8%; width: 270px; height: 270px; background: rgba(253,120,33,.10); }
.yy-product-hero::after { bottom: -110px; left: 8%; width: 230px; height: 230px; background: rgba(255,184,105,.12); }
.yy-product-hero .container { position: relative; z-index: 1; }
.yy-product-hero .breadcrumbs { margin: 0 0 34px; color: #9a765b; }
.yy-product-hero .breadcrumbs a { color: #6c5140; }
.yy-product-hero-copy { max-width: 900px; margin: 0 auto; text-align: center; }
.yy-product-eyebrow { display: inline-block; margin-bottom: 12px; color: #fd7821; font-size: 14px; font-weight: 700; letter-spacing: .04em; }
.yy-product-hero h1 { margin: 0; color: #17191e; font-size: clamp(32px, 3.25vw, 46px); line-height: 1.28; letter-spacing: -.035em; }
.yy-product-hero-copy > p { max-width: 820px; margin: 22px auto 0; color: #6f7279; font-size: 17px; line-height: 1.9; }
.yy-product-hero-compact { min-height: 345px; padding-bottom: 58px; }
.yy-product-section { padding: 76px 0 86px; }
.yy-section-soft, .yy-pricing-main { background: #f7f7f8; }
.yy-product-icon { display: inline-grid; place-items: center; width: 52px; height: 52px; margin-bottom: 14px; border-radius: 15px; color: #fd7821; background: #fff0e4; }
.yy-product-icon svg { width: 25px; height: 25px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.yy-product-icon.tone-2 { color: #25a468; background: #eaf9f1; }
.yy-product-icon.tone-3 { color: #5d67d9; background: #f0f0ff; }
.yy-product-button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 9px 22px; border: 1px solid #fd7821; border-radius: 24px; color: #fd7821; background: #fff; font-size: 14px; font-weight: 600; transition: .2s ease; }
.yy-product-button:hover { color: #fff; background: #fd7821; transform: translateY(-2px); box-shadow: 0 8px 22px rgba(253,120,33,.2); }
.yy-product-button.is-solid { color: #fff; background: #fd7821; }
.yy-product-button.is-solid:hover { background: #ed6811; }
.yy-product-empty { padding: 55px 25px; border: 1px dashed #ddd; border-radius: 18px; color: #888; background: #fff; text-align: center; }

/* Pricing */
.yy-value-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; margin: -112px 0 54px; position: relative; z-index: 2; }
.yy-value-card { min-width: 0; padding: 25px 20px; border: 1px solid #f1e7df; border-radius: 18px; background: rgba(255,255,255,.96); box-shadow: 0 12px 32px rgba(80,45,18,.07); text-align: center; }
.yy-value-card h2 { margin: 0 0 6px; font-size: 17px; }
.yy-value-card p { margin: 0; color: #7a7d83; font-size: 13px; line-height: 1.65; }
.yy-plan-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); align-items: stretch; gap: 18px; }
.yy-plan-card { position: relative; display: flex; min-width: 0; flex-direction: column; padding: 28px 24px; border: 1px solid #dedfe3; border-radius: 22px; background: #fff; box-shadow: 0 8px 28px rgba(25,25,30,.045); transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease; }
.yy-plan-card:hover { transform: translateY(-6px); box-shadow: 0 18px 42px rgba(25,25,30,.1); }
.yy-plan-card.is-default { border-color: #fd7821; box-shadow: 0 0 0 1px #fd7821, 0 16px 42px rgba(253,120,33,.12); }
.yy-plan-grid.is-interacting .yy-plan-card.is-default { border-color: #dedfe3; box-shadow: 0 8px 28px rgba(25,25,30,.045); }
.yy-plan-grid.is-interacting .yy-plan-card.is-hovered { border-color: #fd7821; box-shadow: 0 0 0 1px #fd7821, 0 18px 42px rgba(253,120,33,.14); }
.yy-plan-tag { align-self: flex-start; margin-bottom: 14px; padding: 4px 10px; border-radius: 999px; color: #d95d10; background: #fff0e5; font-size: 12px; font-weight: 700; }
.yy-plan-card h2 { margin: 0 0 9px; color: #202226; font-size: 23px; }
.yy-plan-desc { min-height: 68px; margin: 0; color: #767980; font-size: 14px; line-height: 1.65; }
.yy-plan-price { margin: 18px 0 16px; color: #fd7821; font-size: 31px; font-weight: 800; line-height: 1.15; }
.yy-plan-gain { min-height: 112px; padding: 14px; border-left: 3px solid #fd7821; border-radius: 0 9px 9px 0; color: #60636a; background: #fff8f2; font-size: 13px; line-height: 1.7; }
.yy-plan-gain strong { display: block; margin-bottom: 3px; color: #34363b; }
.yy-plan-card ul { flex: 1; margin: 22px 0 25px; padding: 0; list-style: none; }
.yy-plan-card li { display: flex; gap: 8px; margin-bottom: 10px; color: #5f6269; font-size: 13px; line-height: 1.55; }
.yy-plan-card li > span { flex: 0 0 auto; color: #25a468; font-weight: 800; }
.yy-plan-card.is-default .yy-product-button,
.yy-plan-grid.is-interacting .yy-plan-card.is-hovered .yy-product-button { color: #fff; background: #fd7821; }
.yy-plan-grid.is-interacting .yy-plan-card.is-default:not(.is-hovered) .yy-product-button { color: #fd7821; background: #fff; }
.yy-cost-panel { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; margin: 64px 0; padding: 44px; border: 1px solid #f0e3d9; border-radius: 26px; background: linear-gradient(135deg, #fff, #fff8f1); box-shadow: 0 12px 38px rgba(80,45,18,.06); }
.yy-cost-copy h2 { margin: 0 0 15px; font-size: 29px; line-height: 1.4; }
.yy-cost-copy p, .yy-cost-compare p { margin: 0; color: #70737a; font-size: 14px; line-height: 1.85; }
.yy-cost-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }
.yy-cost-compare article { padding: 23px; border: 1px solid #eee; border-radius: 17px; background: #fff; }
.yy-cost-compare h3 { margin: 0 0 9px; font-size: 17px; }
.yy-price-table-panel { padding: 30px; border: 1px solid #e9e9eb; border-radius: 24px; background: #fff; box-shadow: 0 10px 34px rgba(30,30,35,.06); overflow: visible; }
.yy-price-table-panel > header { display: flex; justify-content: space-between; gap: 35px; align-items: flex-end; margin-bottom: 20px; }
.yy-price-table-panel h2 { margin: 0; font-size: 25px; }
.yy-price-table-panel header > p { max-width: 460px; margin: 0; color: #777a81; font-size: 13px; line-height: 1.7; }
.yy-swipe-hint { display: none; color: #fd7821; font-size: 13px; text-align: center; }
.yy-price-table-scroll { overflow: visible; padding-bottom: 5px; }
.yy-price-table { width: 100%; min-width: 960px; border-collapse: separate; border-spacing: 0; color: #474a51; font-size: 13px; }
.yy-price-table th, .yy-price-table td { padding: 13px 15px; border-bottom: 1px solid #ececee; background: #fff; text-align: center; }
.yy-price-table thead th { position: sticky; top: 66px; z-index: 30; color: #fff; background: #2d3036; font-size: 14px; white-space: nowrap; box-shadow: 0 4px 10px rgba(0,0,0,.08); }
.yy-price-table thead th:first-child { width: 180px; border-radius: 13px 0 0; text-align: left; }
.yy-price-table thead th:last-child { border-radius: 0 13px 0 0; }
.yy-price-table tbody th { position: sticky; left: 0; z-index: 1; color: #34363c; background: #fafafa; text-align: left; white-space: nowrap; }
.yy-price-table tbody tr:nth-child(even):not(.yy-price-group) td { background: #fcfcfd; }
.yy-price-table tbody tr:not(.yy-price-group):hover th, .yy-price-table tbody tr:not(.yy-price-group):hover td { background: #fff8f2; }
.yy-price-table .yy-price-group th { position: static; padding: 11px 15px; color: #9a4c1d; background: linear-gradient(90deg, #fff0e3, #fff9f4); font-size: 14px; }
.yy-price-table .is-yes { color: #2d7351; }
.yy-price-table .is-no { color: #aaa; }
.yy-product-cta { max-width: 820px; margin: 64px auto 0; padding: 46px 35px; border: 1px solid #f0e2d7; border-radius: 24px; background: linear-gradient(135deg, #fff, #fff6ee); text-align: center; }
.yy-product-cta h2 { margin: 0 0 10px; font-size: 28px; }
.yy-product-cta p { max-width: 650px; margin: 0 auto 24px; color: #73767d; font-size: 14px; line-height: 1.8; }
.yy-product-cta > div { display: flex; justify-content: center; flex-wrap: wrap; gap: 12px; }

/* Changelog */
.yy-log-intro { max-width: 760px; margin: 0 auto 52px; text-align: center; }
.yy-log-intro h2 { margin: 0 0 10px; font-size: 29px; }
.yy-log-intro p { margin: 0; color: #7a7d83; }
.yy-log-timeline { position: relative; max-width: 980px; margin: 0 auto; }
.yy-log-timeline::before { content: ""; position: absolute; top: 0; bottom: 0; left: 128px; width: 2px; background: linear-gradient(#ece5df, #f6b983, #ece5df); }
.yy-log-item { position: relative; display: flex; align-items: flex-start; margin-bottom: 30px; }
.yy-log-side { position: relative; flex: 0 0 128px; padding: 18px 34px 0 0; text-align: right; }
.yy-log-side time { display: block; color: #888b91; font-size: 12px; }
.yy-log-side strong { display: block; margin-top: 3px; color: #45484e; font-size: 12px; overflow-wrap: anywhere; }
.yy-log-dot { position: absolute; z-index: 1; top: 21px; right: -7px; width: 14px; height: 14px; border: 3px solid #fff; border-radius: 50%; background: #b5b7bc; box-shadow: 0 0 0 2px #ddd; }
.yy-log-item.is-major .yy-log-dot { top: 19px; right: -9px; width: 18px; height: 18px; background: #fd7821; box-shadow: 0 0 0 3px rgba(253,120,33,.18); }
.yy-log-card { flex: 1; min-width: 0; margin-left: 28px; padding: 23px 25px; border: 1px solid #ececee; border-radius: 16px; background: #fff; box-shadow: 0 4px 16px rgba(30,30,35,.055); transition: .2s ease; }
.yy-log-card:hover { transform: translateY(-2px); box-shadow: 0 10px 28px rgba(30,30,35,.09); }
.yy-log-item.is-major .yy-log-card { border-color: #ffd3b4; background: linear-gradient(135deg, #fff, #fff8f2); }
.yy-log-card > header { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; margin-bottom: 12px; }
.yy-log-card header h2 { margin: 0; font-size: 18px; }
.yy-log-card header h2 a:hover { color: #fd7821; }
.yy-log-card header time { padding: 2px 9px; border-radius: 12px; color: #7f8288; background: #f3f3f4; font-size: 12px; }
.yy-log-card header > span { padding: 2px 9px; border-radius: 12px; color: #fff; background: #fd7821; font-size: 11px; font-weight: 700; }
.yy-log-summary { margin-bottom: 15px; padding: 9px 12px; border-left: 3px solid #fd7821; border-radius: 0 7px 7px 0; color: #5d6066; background: #fff4eb; font-size: 13px; line-height: 1.7; }
.yy-log-sections { display: grid; gap: 12px; }
.yy-log-sections section h3, .yy-log-detail-section h2 { display: inline-block; margin: 0 0 5px; padding: 2px 8px; border-radius: 5px; font-size: 12px; }
.yy-log-sections h3.new, .yy-log-detail-section h2.new { color: #18764a; background: #ddf6e9; }
.yy-log-sections h3.opt, .yy-log-detail-section h2.opt { color: #315c9a; background: #e7effb; }
.yy-log-sections h3.fix, .yy-log-detail-section h2.fix { color: #a14343; background: #fce9e9; }
.yy-log-sections ul, .yy-log-detail-section ul { margin: 0; padding-left: 20px; }
.yy-log-sections li { margin-bottom: 2px; color: #60636a; font-size: 13px; line-height: 1.65; }
.yy-log-content { color: #5f6269; font-size: 14px; }
.yy-log-content > *:first-child { margin-top: 0; }
.yy-log-content > *:last-child { margin-bottom: 0; }
.yy-log-more { display: inline-flex; align-items: center; gap: 6px; margin-top: 16px; color: #fd7821; font-size: 13px; font-weight: 600; }
.yy-log-more svg, .yy-doc-section-more svg, .yy-doc-list-arrow svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.yy-product-pagination { margin-top: 40px; }
.yy-product-pagination ul { display: flex; justify-content: center; gap: 7px; margin: 0; padding: 0; list-style: none; }
.yy-product-pagination a, .yy-product-pagination span { display: grid; min-width: 36px; height: 36px; padding: 0 10px; place-items: center; border: 1px solid #e1e1e3; border-radius: 8px; background: #fff; }
.yy-product-pagination .current { color: #fff; border-color: #fd7821; background: #fd7821; }
.yy-log-detail-card { max-width: 880px; margin: 0 auto; padding: 38px; border: 1px solid #e9e9eb; border-radius: 20px; background: #fff; box-shadow: 0 10px 32px rgba(30,30,35,.06); }
.yy-log-detail-meta { display: flex; gap: 12px; align-items: center; margin-bottom: 25px; color: #888; font-size: 13px; }
.yy-log-detail-meta strong { padding: 3px 10px; border-radius: 12px; color: #fff; background: #fd7821; font-size: 11px; }
.yy-log-detail-section { margin-bottom: 25px; }
.yy-log-detail-section li { margin-bottom: 7px; color: #555960; line-height: 1.75; }
.yy-log-detail-content { margin: 30px 0; }

/* Documentation home */
.yy-doc-section-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; }
.yy-doc-section-card { display: flex; min-width: 0; flex-direction: column; overflow: hidden; border: 1px solid #e9e9eb; border-radius: 20px; background: #fff; box-shadow: 0 7px 24px rgba(30,30,35,.055); transition: .22s ease; }
.yy-doc-section-card:hover { transform: translateY(-5px); box-shadow: 0 16px 38px rgba(30,30,35,.09); }
.yy-doc-card-head { display: block; padding: 28px 28px 20px; }
.yy-doc-card-head h2 { margin: 0 0 9px; font-size: 22px; }
.yy-doc-card-head p { min-height: 72px; margin: 0; color: #74777e; font-size: 14px; line-height: 1.75; }
.yy-doc-section-card ul { flex: 1; margin: 0; padding: 0 28px; list-style: none; }
.yy-doc-section-card li { border-top: 1px solid #eee; }
.yy-doc-section-card li a { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; color: #55585f; font-size: 13px; }
.yy-doc-section-card li a:hover { color: #fd7821; }
.yy-doc-section-more { display: inline-flex; align-items: center; gap: 6px; margin: 20px 28px 26px; color: #fd7821; font-size: 13px; font-weight: 600; }
.yy-doc-guide { display: flex; justify-content: space-between; align-items: center; gap: 45px; margin-top: 52px; padding: 38px 42px; border: 1px solid #f0e1d6; border-radius: 22px; background: #fff8f2; }
.yy-doc-guide > div:first-child { max-width: 750px; }
.yy-doc-guide h2 { margin: 0 0 10px; font-size: 27px; }
.yy-doc-guide p { margin: 0; color: #72757c; font-size: 14px; line-height: 1.8; }
.yy-doc-guide > div:last-child { display: flex; flex-wrap: wrap; gap: 10px; flex: 0 0 auto; }

/* Documentation lists and articles */
.yy-doc-top { min-height: 215px; padding: 105px 0 38px; border-bottom: 1px solid #f1e4da; background: linear-gradient(135deg, #fff8f1, #fff); }
.yy-doc-top .breadcrumbs { margin: 0 0 15px; color: #a27c60; }
.yy-doc-top .breadcrumbs a { color: #6c5140; }
.yy-doc-top > .container > span { color: #fd7821; font-size: 13px; font-weight: 700; }
.yy-doc-top h1 { margin: 5px 0 6px; font-size: 31px; }
.yy-doc-top p { max-width: 750px; margin: 0; color: #74777d; font-size: 14px; }
.yy-doc-crumbs { display: flex; align-items: center; gap: 8px; color: #8a6b55; font-size: 13px; white-space: nowrap; overflow: hidden; }
.yy-doc-crumbs a { color: #6e5140; }
.yy-doc-crumbs strong { min-width: 0; color: #333; font-weight: 500; overflow: hidden; text-overflow: ellipsis; }
.yy-doc-workspace-wrap { background: #fff; }
.yy-doc-workspace { display: grid; grid-template-columns: 235px minmax(0, 1fr) 185px; gap: 38px; align-items: start; padding-top: 45px; padding-bottom: 70px; }
.yy-doc-workspace-list { grid-template-columns: 235px minmax(0, 1fr); }
.yy-doc-sidebar { position: sticky; top: 30px; max-height: calc(100vh - 60px); overflow-y: auto; padding-right: 18px; border-right: 1px solid #ececee; scrollbar-width: thin; }
.yy-doc-home-link { display: block; margin-bottom: 22px; color: #fd7821; font-size: 14px; font-weight: 700; }
.yy-doc-nav-group { margin-bottom: 20px; }
.yy-doc-nav-group h2 { margin: 0 0 7px; font-size: 14px; }
.yy-doc-nav-group h2 a { color: #34373d; }
.yy-doc-nav-group.is-active h2 a { color: #fd7821; }
.yy-doc-nav-group ul { margin: 0; padding: 0; list-style: none; }
.yy-doc-nav-group li a { display: block; padding: 5px 0 5px 12px; border-left: 2px solid transparent; color: #777a80; font-size: 12px; line-height: 1.55; }
.yy-doc-nav-group li.current a, .yy-doc-nav-group li a:hover { color: #fd7821; border-left-color: #fd7821; background: linear-gradient(90deg, #fff4eb, transparent); }
.yy-doc-nav-toggle { display: none; }
.yy-doc-list-main > header { margin-bottom: 25px; padding-bottom: 20px; border-bottom: 1px solid #ececee; }
.yy-doc-list-main > header h2 { margin: 0 0 7px; font-size: 28px; }
.yy-doc-list-main > header p { margin: 0; color: #777a80; font-size: 14px; }
.yy-doc-list { display: grid; gap: 12px; }
.yy-doc-list article { display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 20px 22px; border: 1px solid #e9e9eb; border-radius: 14px; background: #fff; transition: .2s ease; }
.yy-doc-list article:hover { border-color: #f2c8a9; box-shadow: 0 8px 24px rgba(50,35,25,.07); transform: translateY(-2px); }
.yy-doc-list article span { color: #9a9ca1; font-size: 11px; }
.yy-doc-list article h2 { margin: 3px 0 6px; font-size: 18px; }
.yy-doc-list article h2 a:hover { color: #fd7821; }
.yy-doc-list article p { margin: 0; color: #73767c; font-size: 13px; line-height: 1.7; }
.yy-doc-list-arrow { flex: 0 0 auto; display: grid; width: 36px; height: 36px; place-items: center; border-radius: 50%; color: #fd7821; background: #fff1e6; }
.yy-doc-list-main .navigation.pagination { display: block; margin-top: 30px; }
.yy-doc-list-main .nav-links { display: flex; flex-wrap: wrap; gap: 7px; }
.yy-doc-list-main .page-numbers { display: grid; min-width: 36px; height: 36px; padding: 0 10px; place-items: center; border: 1px solid #e1e1e3; border-radius: 8px; }
.yy-doc-list-main .page-numbers.current { color: #fff; border-color: #fd7821; background: #fd7821; }
.yy-doc-article { min-width: 0; }
.yy-doc-article > header { margin-bottom: 32px; padding-bottom: 24px; border-bottom: 1px solid #ececee; }
.yy-doc-article > header > span { color: #fd7821; font-size: 13px; font-weight: 700; }
.yy-doc-article > header h1 { margin: 7px 0 10px; font-size: clamp(28px, 3vw, 38px); line-height: 1.35; }
.yy-doc-article > header p { margin: 0 0 10px; color: #6f7278; font-size: 15px; }
.yy-doc-article > header > div { color: #a0a2a6; font-size: 12px; }
.yy-doc-content { color: #44474d; font-size: 15px; line-height: 1.9; }
.yy-doc-content h2 { scroll-margin-top: 25px; margin: 2em 0 .7em; padding-bottom: 8px; border-bottom: 1px solid #ececee; font-size: 25px; }
.yy-doc-content h3 { scroll-margin-top: 25px; margin: 1.7em 0 .6em; font-size: 20px; }
.yy-doc-content p { margin: 0 0 1.25em; }
.yy-doc-content ul, .yy-doc-content ol { margin: 0 0 1.4em; padding-left: 2em; }
.yy-doc-content blockquote { margin: 1.5em 0; padding: 14px 18px; border-left: 4px solid #fd7821; color: #666; background: #fff7f0; }
.yy-doc-content pre { max-width: 100%; padding: 18px; border-radius: 10px; color: #f2f2f2; background: #272a31; overflow: auto; }
.yy-doc-content code { padding: 2px 5px; border-radius: 4px; color: #b34d12; background: #fff0e5; }
.yy-doc-content pre code { padding: 0; color: inherit; background: transparent; }
.yy-doc-content img { box-shadow: 0 7px 25px rgba(30,30,35,.08); }
.yy-doc-toc { position: sticky; top: 30px; padding-left: 18px; border-left: 1px solid #ececee; }
.yy-doc-toc h2 { margin: 0 0 12px; font-size: 14px; }
.yy-doc-toc nav a { display: block; padding: 4px 0; color: #83858a; font-size: 12px; line-height: 1.5; }
.yy-doc-toc nav a.level-3 { padding-left: 12px; }
.yy-doc-toc nav a:hover, .yy-doc-toc nav a.is-active { color: #fd7821; }
.yy-doc-adjacent { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-top: 48px; padding-top: 25px; border-top: 1px solid #ececee; }
.yy-doc-adjacent a { padding: 15px 17px; border: 1px solid #e9e9eb; border-radius: 10px; }
.yy-doc-adjacent a:hover { border-color: #f3c3a0; }
.yy-doc-adjacent a span { display: block; color: #999; font-size: 11px; }
.yy-doc-adjacent a strong { display: block; margin-top: 3px; font-size: 13px; }
.yy-doc-adjacent a.next { text-align: right; }

@media (max-width: 1180px) {
    .yy-value-grid, .yy-plan-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .yy-value-grid { margin-top: -105px; }
    .yy-doc-workspace { grid-template-columns: 220px minmax(0, 1fr); gap: 28px; }
    .yy-doc-toc { display: none; }
}
@media (max-width: 900px) {
    .yy-product-page .container { width: calc(100% - 24px); }
    .yy-product-hero { min-height: 335px; padding: 95px 0 55px; }
    .yy-product-hero .breadcrumbs { margin-bottom: 25px; }
    .yy-product-hero h1 { font-size: 31px; }
    .yy-product-hero-copy > p { font-size: 15px; }
    .yy-value-grid { margin-top: -82px; }
    .yy-cost-panel { grid-template-columns: 1fr; gap: 28px; padding: 30px; }
    .yy-price-table-panel > header { display: block; }
    .yy-price-table-panel header > p { margin-top: 10px; }
    .yy-price-table-scroll { overflow-x: auto; }
    .yy-price-table thead th { position: static; box-shadow: none; }
    .yy-swipe-hint { display: block; }
    .yy-doc-section-grid { grid-template-columns: 1fr; }
    .yy-doc-card-head p { min-height: 0; }
    .yy-doc-guide { display: block; padding: 30px; }
    .yy-doc-guide > div:last-child { margin-top: 22px; }
    .yy-doc-top { min-height: 170px; padding: 82px 0 28px; }
    .yy-doc-workspace, .yy-doc-workspace-list { display: block; padding-top: 20px; }
    .yy-doc-nav-toggle { display: flex; justify-content: space-between; width: 100%; margin-bottom: 18px; padding: 12px 15px; border: 1px solid #e5e5e7; border-radius: 8px; color: #444; background: #fff; text-align: left; }
    .yy-doc-sidebar { position: static; display: none; max-height: none; margin-bottom: 25px; padding: 18px; border: 1px solid #e8e8ea; border-radius: 10px; }
    .yy-doc-sidebar.is-open { display: block; }
}
@media (max-width: 640px) {
    .yy-product-hero { min-height: 300px; }
    .yy-product-hero h1 { font-size: 26px; }
    .yy-product-section { padding: 55px 0 65px; }
    .yy-value-grid, .yy-plan-grid, .yy-cost-compare { grid-template-columns: 1fr; }
    .yy-value-grid { margin: -70px 0 38px; }
    .yy-value-card { text-align: left; }
    .yy-value-card .yy-product-icon { float: left; margin: 0 15px 0 0; }
    .yy-plan-desc, .yy-plan-gain { min-height: 0; }
    .yy-cost-panel, .yy-price-table-panel { padding: 22px; border-radius: 18px; }
    .yy-cost-copy h2, .yy-product-cta h2, .yy-doc-guide h2 { font-size: 23px; }
    .yy-product-cta { margin-top: 45px; padding: 32px 20px; }
    .yy-log-intro h2 { font-size: 24px; }
    .yy-log-timeline::before { left: 18px; }
    .yy-log-item { display: block; padding-left: 47px; }
    .yy-log-side { position: static; width: auto; padding: 0 0 8px; text-align: left; }
    .yy-log-side time, .yy-log-side strong { display: inline; margin-right: 7px; }
    .yy-log-dot, .yy-log-item.is-major .yy-log-dot { top: 4px; left: 11px; right: auto; }
    .yy-log-card { margin-left: 0; padding: 19px; }
    .yy-log-card header time { display: none; }
    .yy-log-detail-card { padding: 23px; }
    .yy-doc-card-head { padding: 23px 22px 17px; }
    .yy-doc-section-card ul { padding: 0 22px; }
    .yy-doc-section-more { margin-inline: 22px; }
    .yy-doc-guide { padding: 24px; }
    .yy-doc-guide > div:last-child { display: grid; }
    .yy-doc-top h1 { font-size: 25px; }
    .yy-doc-article > header h1 { font-size: 27px; }
    .yy-doc-content { font-size: 14px; }
    .yy-doc-content h2 { font-size: 22px; }
    .yy-doc-adjacent { grid-template-columns: 1fr; }
}