/* Dayu uses the existing Benfu base stylesheet and component proportions.
   Only brand colors, local SVG icons and Dayu content layouts are customized. */
:root {
  --primary: #1175cc;
  --primary-light: #42adf1;
  --primary-dark: #07569b;
  --primary-rgb: 17, 117, 204;
  --primary-bg: #eaf4fc;
  --hero-bg-start: #061c3a;
  --hero-bg-end: #0d3870;
  --hero-accent: #58bafa;
  --accent: #ef971b;
  --accent-dark: #d6800c;
  --accent-rgb: 239, 151, 27;
  --text-primary: #182b43;
  --text-secondary: #5d6b7c;
  --text-light: #7d8997;
  --border-color: #e2e8ef;
  --bg-light: #f5f7fa;
  --max-width: 1280px;
  --header-height: 72px;
  --cyan: #079fb7;
  --green: #159c82;
  --footer-bg: #0d1a29;
}
body { font-size: 15px; }
figure { margin: 0; }
picture { display: block; }
button, input { font: inherit; }
button { cursor: pointer; }
button:focus-visible, a:focus-visible, input:focus-visible, summary:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 4px; }
.icon { width: 24px; height: 24px; flex: 0 0 24px; vertical-align: middle; }
.sr-only, .skip-link:not(:focus) { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link:focus { position: fixed; top: 8px; left: 8px; z-index: 2000; background: white; color: var(--primary); padding: 10px 20px; }
.section, .features, .packages-preview { padding: 64px 0; }
.section.alt, .packages-preview { background: var(--bg-light); }
.features { background: white; }
.section-header { margin-bottom: 34px; text-align: center; }
.section-title { font-size: 32px; line-height: 1.35; margin: 0 0 12px; color: var(--text-primary); }
.section-subtitle { font-size: 15px; color: var(--text-secondary); line-height: 1.8; max-width: 880px; margin: 0 auto; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; padding: 12px 24px; min-height: 46px; font-size: 15px; font-weight: 600; line-height: 1.4; border: 1px solid transparent; border-radius: 9px; transition: background .18s, box-shadow .18s, transform .18s; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--primary); color: white; box-shadow: 0 5px 14px rgba(var(--primary-rgb), .18); }
.button.primary:hover { background: var(--primary-dark); }
.button.secondary { background: transparent; border-color: rgba(255,255,255,.55); color: white; }
.button.secondary:hover { background: rgba(255,255,255,.1); }
.button.outline { background: white; border-color: var(--primary); color: var(--primary); }
.button.outline:hover { background: var(--primary-bg); }
.button.small { min-height: 38px; padding: 8px 22px; font-size: 14px; }
.brand-mark { display: flex; align-items: center; width: 164px; flex: 0 0 164px; }
.brand-mark img { display: block; width: 164px; height: auto; }
.header-inner { gap: 22px; }
.hamburger { padding: 8px; }

/* Same two-column hero as the established brand sites, with supplied artwork. */
.hero { min-height: 0; padding: 56px 0; }
.hero::before, .hero::after { display: none; }
.hero-content { display: grid; grid-template-columns: 1fr 1.05fr; align-items: center; gap: 48px; position: relative; }
.hero-text { min-width: 0; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; border: 1px solid rgba(var(--accent-rgb),.4); background: rgba(var(--accent-rgb),.1); color: #ffbd5e; font-size: 13px; padding: 6px 13px; margin-bottom: 20px; }
.hero-badge .icon { width: 17px; height: 17px; flex-basis: 17px; }
.hero h1 { font-size: 42px; line-height: 1.3; letter-spacing: 0; margin: 0 0 18px; color: white; }
.hero h1 .brand-highlight { display: block; font-size: 24px; color: var(--hero-accent); line-height: 1.5; margin-top: 8px; }
.hero-desc { font-size: 16px; line-height: 1.9; color: #cbdcf0; margin: 0 0 26px; max-width: none; }
.hero-features { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 0 0 28px; }
.hero-feature-card { display: flex; align-items: center; gap: 14px; background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.17); border-radius: 9px; padding: 13px 16px; min-width: 0; }
.hero-feature-card > .icon { color: var(--hero-accent); width: 26px; height: 26px; flex-basis: 26px; }
.hero-feature-card strong { display: block; color: #cbdcf0; font-size: 13px; font-weight: 500; }
.hero-feature-card span { display: block; font-size: 15px; font-weight: 600; color: var(--hero-accent); margin-top: 4px; }
.hero-cta { display: flex; gap: 14px; margin: 0; flex-wrap: wrap; }
.hero-cta .button { min-height: 50px; min-width: 156px; }
.hero-cta .primary { background: var(--primary); }
.hero-note { color: #a9c4e0; font-size: 12px; line-height: 1.8; margin: 17px 0 0; }
.hero-image { display: block; width: 100%; min-width: 0; position: relative; }
.hero-showcase { padding: 0; max-width: none; background: none; border: none; border-radius: 12px; overflow: hidden; box-shadow: 0 18px 40px rgba(0,0,0,.18); }
.hero-showcase::before, .hero-showcase::after { display: none; }
.hero-image .hero-showcase img { display: block; width: 100%; max-width: none; height: auto; border-radius: 0; animation: none; transform: none; object-fit: contain; }

.features-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 22px; }
.feature-card { padding: 27px 24px; border-radius: 12px; box-shadow: none; background: white; border: 1px solid var(--border-color); }
.feature-card .card-icon { width: 48px; height: 48px; margin-bottom: 18px; color: var(--primary); background: var(--primary-bg); border-radius: 12px; display: grid; place-items: center; }
.feature-card h3 { font-size: 19px; margin-bottom: 12px; }
.feature-card p { font-size: 14px; line-height: 1.85; color: var(--text-secondary); }

/* Product cards retain the established colored headings and specification rows. */
.packages-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 22px; align-items: stretch; }
.packages-grid.two { grid-template-columns: repeat(2,minmax(0,1fr)); max-width: 850px; margin-inline: auto; }
.product-card { --card-color: var(--primary); display: flex; flex-direction: column; padding: 0; overflow: hidden; border: 1px solid var(--border-color); border-radius: 12px; background: white; box-shadow: 0 4px 16px rgba(20,48,80,.035); position: relative; text-align: left; transform: none; scroll-margin-top: 140px; }
.product-card.tone-orange { --card-color: #e88a13; }
.packages-grid .product-card { padding: 0; }
.product-card.tone-cyan { --card-color: var(--cyan); }
.product-card.tone-green { --card-color: var(--green); }
.product-card:hover { border-color: var(--card-color); transform: translateY(-3px); box-shadow: 0 10px 28px rgba(20,48,80,.09); }
.product-card .package-header { padding: 21px 23px; background: var(--card-color); color: white; display: flex; align-items: flex-start; flex-direction: column; gap: 5px; border: 0; }
.product-card h3 { font-size: 20px; line-height: 1.4; color: white; margin: 0; }
.product-label { font-size: 12px; color: rgba(255,255,255,.9); }
.product-card .package-body { flex: 1; padding: 22px 23px 12px; }
.product-card .package-price { display: flex; align-items: baseline; gap: 4px; margin: 0 0 17px; line-height: 1.25; color: var(--card-color); }
.product-card .package-price strong { font-size: 36px; font-weight: 700; }
.product-card .package-price .currency { font-size: 19px; color: var(--card-color); }
.product-card .package-price span { font-size: 12px; color: var(--text-secondary); }
.product-specs { margin: 0; }
.product-specs > div { display: flex; justify-content: space-between; gap: 8px; padding: 11px 0; border-top: 1px solid var(--border-color); font-size: 13px; }
.product-specs dt { color: var(--text-secondary); flex-shrink: 0; }
.product-specs dd { margin: 0; color: var(--text-primary); font-weight: 600; text-align: right; overflow-wrap: anywhere; }
.product-use { min-height: 42px; font-size: 13px; line-height: 1.7; color: var(--text-secondary); margin: 15px 0 0; }
.product-card .package-footer { padding: 6px 23px 24px; background: white; border: 0; }
.product-card .button { width: 100%; font-size: 14px; min-height: 42px; }
.packages-more { text-align: center; margin: 28px 0 0; }
.packages-more a { color: var(--primary); font-size: 15px; display: inline-flex; gap: 7px; align-items: center; }
.packages-more .icon { width: 18px; height: 18px; flex-basis: 18px; }
.protocol-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.protocol-card { padding: 30px; border: 1px solid var(--border-color); background: var(--bg-light); border-radius: 12px; }
.protocol-card > .icon { color: var(--primary); width: 32px; height: 32px; margin-bottom: 17px; }
.protocol-card h3 { font-size: 21px; margin-bottom: 14px; }
.protocol-card p { color: var(--text-secondary); line-height: 1.9; margin-bottom: 20px; }
.protocol-card a { color: var(--primary); font-weight: 600; font-size: 14px; }
.protocol-card a .icon { width: 17px; height: 17px; }
.scenario-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 22px; }
.scenario-card { padding: 27px; background: white; border: 1px solid var(--border-color); border-radius: 12px; }
.scenario-icon { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: var(--primary-bg); color: var(--primary); margin-bottom: 16px; }
.scenario-card h3 { font-size: 19px; margin-bottom: 10px; }
.scenario-card p { color: var(--text-secondary); font-size: 14px; line-height: 1.85; margin-bottom: 20px; }
.scene-product { display: inline-block; color: var(--primary); font-size: 12px; padding: 4px 9px; background: var(--primary-bg); border-radius: 4px; }
.service-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 42px; }
.service-grid article { text-align: center; }
.service-grid .icon { width: 34px; height: 34px; color: var(--primary); margin-bottom: 15px; }
.service-grid h3 { font-size: 19px; margin-bottom: 12px; }
.service-grid p { color: var(--text-secondary); font-size: 14px; line-height: 1.9; }
.steps { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 40px; text-align: center; }
.steps b { display: grid; place-items: center; width: 46px; height: 46px; margin: 0 auto 18px; border-radius: 50%; background: var(--primary); color: white; font-size: 21px; }
.steps h3 { font-size: 20px; margin-bottom: 10px; }
.steps p { font-size: 14px; color: var(--text-secondary); margin-bottom: 16px; }
.steps a { color: var(--primary); font-size: 14px; }
.experience-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 20px; }
.experience-grid .testimonial-card { display: flex; flex-direction: column; padding: 26px 22px; border: 1px solid var(--border-color); border-radius: 12px; box-shadow: none; }
.experience-label { display: flex; gap: 9px; align-items: center; color: var(--primary); font-size: 13px; font-weight: 600; margin-bottom: 18px; }
.experience-grid h3 { font-size: 18px; line-height: 1.6; margin-bottom: 13px; }
.experience-grid p { color: var(--text-secondary); font-size: 14px; line-height: 1.85; flex: 1; }
.experience-note { border-top: 1px solid var(--border-color); color: var(--text-light); font-size: 12px; padding-top: 16px; margin-top: 20px; }
.faq-list { max-width: 940px; margin-inline: auto; display: grid; gap: 12px; }
.faq-list details { border: 1px solid var(--border-color); border-radius: 10px; background: white; padding: 0 23px; }
.faq-list summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: baseline; gap: 20px; padding: 20px 0; color: var(--text-primary); font-weight: 600; font-size: 16px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after { content: "+"; color: var(--primary); font-size: 22px; line-height: 1; font-weight: 400; }
.faq-list details[open] summary::after { content: "−"; }
.faq-list details[open] summary { color: var(--primary); }
.faq-list details p { font-size: 14px; line-height: 1.9; color: var(--text-secondary); padding: 0 0 20px; }

/* Inner pages: compact headings bring content into the first viewport. */
.page-intro, .page-header { background: linear-gradient(120deg,var(--hero-bg-start),var(--hero-bg-end)); color: white; padding: 40px 0; text-align: center; }
.page-intro h1 { font-size: 32px; line-height: 1.45; margin: 0 0 12px; color: white; }
.page-intro p { font-size: 15px; color: #cedcf0; margin: 0 auto; max-width: 900px; }
.price-nav { position: sticky; top: var(--header-height); z-index: 35; background: white; border-bottom: 1px solid var(--border-color); }
.price-nav .container { display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; }
.price-nav a { padding: 15px 4px; font-size: 14px; color: var(--text-secondary); }
.price-nav a:hover { color: var(--primary); }
.price-section { scroll-margin-top: 125px; }
.price-section.section { padding-block: 42px; }
.price-section + .price-section { padding-top: 22px; }
.price-section .section-subtitle { max-width: 760px; }
.product-card .package-header h3 { font-size: 19px; line-height: 1.5; }
.help-start a span { font-size: 11px; color: var(--text-secondary); margin-right: 5px; }
.experience-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 30px; margin-bottom: 26px; }
.experience-heading h2 { font-size: 28px; line-height: 1.5; }
.experience-heading > p { font-size: 14px; color: var(--text-secondary); max-width: 270px; line-height: 1.8; }
.experience-section .experience-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px 36px; }
.experience-section .testimonial-card { border: 0; border-left: 2px solid var(--border-color); border-radius: 0; padding: 4px 0 4px 22px; background: transparent; }
.experience-section h3 { font-size: 17px; margin-bottom: 8px; }
.experience-section .experience-note { padding-top: 10px; margin-top: 8px; }
.scenario-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 42px; }
.scenario-grid .scenario-card { position: relative; padding: 24px 0 24px 56px; border: 0; border-bottom: 1px solid var(--border-color); border-radius: 0; background: transparent; box-shadow: none; }
.scenario-grid .scenario-icon { position: absolute; top: 24px; left: 0; }
@media (max-width: 768px) {
  .experience-heading { display: block; }
  .experience-heading h2 { font-size: 24px; }
  .experience-heading > p { margin-top: 12px; max-width: none; }
  .experience-section .experience-grid { grid-template-columns: 1fr; }
  .price-section.section { padding-block: 32px; }
}
.price-notice { margin: 0 0 28px; border: 1px solid #cfe2f3; background: var(--primary-bg); color: var(--primary-dark); padding: 14px 20px; font-size: 14px; border-radius: 8px; line-height: 1.8; }
#sk5 { padding-top: 28px; }
#sk5 .section-header { margin-bottom: 27px; }
.custom-layout { display: grid; grid-template-columns: minmax(280px,380px) 1fr; gap: 60px; max-width: 1020px; margin: auto; align-items: center; }
.custom-description h3 { font-size: 24px; margin-bottom: 18px; }
.custom-description p, .custom-description li { font-size: 15px; line-height: 1.9; color: var(--text-secondary); }
.custom-description ul { padding-left: 20px; margin: 20px 0 28px; }
.table-wrap { overflow-x: auto; background: white; border: 1px solid var(--border-color); border-radius: 9px; }
.price-table { width: 100%; min-width: 800px; border-collapse: collapse; font-size: 14px; }
.price-table th, .price-table td { padding: 16px; text-align: center; border-bottom: 1px solid var(--border-color); }
.price-table thead th { background: var(--primary); color: white; font-weight: 600; white-space: nowrap; }
.price-table tbody th { font-weight: 600; text-align: left; }
.price-table tbody td { color: var(--text-secondary); }
.price-table tbody td:last-child { color: var(--primary); font-weight: 700; font-size: 17px; }
.price-table tbody tr:last-child > * { border-bottom: 0; }
.help-section { background: var(--bg-light); padding-top: 36px; }
.section-kicker { font-size: 14px; color: var(--primary); margin: 0 0 15px; font-weight: 600; }
.overview-layout, .home-learning { display: grid; grid-template-columns: .85fr 1.3fr; gap: 85px; align-items: center; }
.overview-layout h2, .home-learning h2 { font-size: 30px; line-height: 1.55; margin: 0 0 20px; color: var(--text-primary); }
.overview-layout > div > p:not(.section-kicker), .home-learning > div > p:not(.section-kicker) { color: var(--text-secondary); font-size: 15px; line-height: 1.9; margin-bottom: 23px; }
.overview-layout > div > a, .home-learning > div > a { color: var(--primary); font-weight: 600; font-size: 14px; }
.product-directions { margin: 0; }
.product-directions > div { display: grid; grid-template-columns: 115px 1fr; gap: 22px; padding: 24px 0; border-bottom: 1px solid var(--border-color); }
.product-directions > div:first-child { padding-top: 0; }
.product-directions > div:last-child { border-bottom: 0; padding-bottom: 0; }
.product-directions dt { display: flex; gap: 8px; align-items: flex-start; font-size: 15px; color: var(--primary); padding-top: 2px; }
.product-directions .icon { width: 21px; height: 21px; }
.product-directions dd { margin: 0; }
.product-directions strong { display: block; font-size: 17px; margin-bottom: 8px; }
.product-directions dd span { color: var(--text-secondary); font-size: 14px; line-height: 1.85; }
.purchase-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 24px; margin-bottom: 35px; }
.purchase-heading h2 { font-size: 29px; }
.purchase-heading p { font-size: 14px; color: var(--text-secondary); }
.purchase-list { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 32px; }
.purchase-list article { display: flex; gap: 17px; border-top: 2px solid var(--border-color); padding-top: 25px; }
.purchase-list article > span { color: var(--primary); font-size: 24px; font-weight: 700; line-height: 1.2; }
.purchase-list h3 { font-size: 18px; margin-bottom: 12px; }
.purchase-list p { font-size: 14px; color: var(--text-secondary); line-height: 1.85; margin: 0; }
.home-guide-list { border-top: 1px solid var(--border-color); }
.guide-link { display: flex; align-items: center; gap: 25px; padding: 27px 0; border-bottom: 1px solid var(--border-color); }
.guide-topic { font-size: 12px; color: var(--primary); background: var(--primary-bg); padding: 6px 9px; white-space: nowrap; border-radius: 4px; }
.guide-link > div { flex: 1; }
.guide-link h3 { font-size: 18px; color: var(--text-primary); margin-bottom: 7px; }
.guide-link p { font-size: 14px; color: var(--text-secondary); margin: 0; line-height: 1.8; }
.guide-link > .icon { color: var(--primary); flex: 0 0 22px; }
.guide-link:hover h3 { color: var(--primary); }
@media (max-width: 1024px) {
  .overview-layout, .home-learning { gap: 38px; }
  .product-directions > div { grid-template-columns: 1fr; gap: 10px; }
  .guide-link { gap: 15px; }
  .guide-topic { display: none; }
}
@media (max-width: 768px) {
  .overview-layout, .home-learning { grid-template-columns: 1fr; gap: 28px; }
  .overview-layout h2, .home-learning h2 { font-size: 26px; }
  .product-directions > div { grid-template-columns: 90px 1fr; gap: 12px; }
  .product-directions dt { font-size: 13px; }
  .product-directions strong { font-size: 15px; }
  .purchase-heading { display: block; margin-bottom: 22px; }
  .purchase-heading h2 { font-size: 26px; margin-bottom: 12px; }
  .purchase-list { grid-template-columns: 1fr; gap: 22px; }
  .guide-link h3 { font-size: 17px; }
}
.help-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.help-toolbar h2 { font-size: 26px; }
.search-box { width: min(410px,100%); }
.search-box input { width: 100%; padding: 12px 16px; border: 1px solid var(--border-color); border-radius: 8px; background: white; min-height: 46px; }
.filter-row { display: flex; flex-wrap: wrap; gap: 10px; margin: 22px 0 28px; }
.filter-row button { border: 1px solid var(--border-color); border-radius: 7px; padding: 8px 18px; background: white; color: var(--text-secondary); }
.filter-row button.active { background: var(--primary); border-color: var(--primary); color: white; }
.help-list { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 24px; }
.article-card { display: flex; flex-direction: column; padding: 0; border: 1px solid var(--border-color); border-radius: 12px; overflow: hidden; background: white; box-shadow: none; min-width: 0; transition: transform .2s, box-shadow .2s; }
.article-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.article-card-image { display: block; width: 100%; height: auto; aspect-ratio: 16/9; object-fit: cover; }
.article-card-brand { object-fit: contain; background: var(--hero-bg-start); }
.article-card-content { padding: 23px; display: flex; flex-direction: column; flex: 1; }
.article-badge { color: var(--primary); font-size: 12px; }
.article-card h3 { font-size: 19px; line-height: 1.55; margin: 10px 0 12px; color: var(--text-primary); }
.article-card p { color: var(--text-secondary); font-size: 14px; line-height: 1.8; flex: 1; margin: 0 0 18px; }
.article-card-meta { color: var(--text-light); font-size: 12px; }
.article-card b { color: var(--primary); margin-top: 16px; font-size: 14px; display: flex; align-items: center; gap: 5px; }
.article-card b .icon { width: 17px; height: 17px; }
.article-card > :not(img):not(.article-card-content) { margin-left: 22px; margin-right: 22px; }
.article-card > .article-card-body, .article-card > .article-card-main { margin: 0; }
.article-card-main { display: flex; flex-direction: column; flex: 1; }
.article-card-body { padding: 23px; flex: 1; }
.article-card-body .article-card-meta { display: flex; gap: 8px; flex-wrap: wrap; margin: 0; }
.article-card-footer { padding: 12px 0 20px; font-size: 12px; color: var(--text-light); }
.article-card-promo { margin: 0 !important; padding: 15px 23px; border-top: 1px solid var(--border-color); background: var(--primary-bg); font-size: 12px; color: var(--text-secondary); }
.article-card[hidden], .no-results[hidden] { display: none; }
.no-results { text-align: center; color: var(--text-secondary); padding: 40px; }
.help-steps { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 30px; list-style: none; counter-reset: step; }
.help-steps li { counter-increment: step; text-align: center; }
.help-steps li::before { content: counter(step); display: grid; place-items: center; width: 36px; height: 36px; color: white; background: var(--primary); margin: 0 auto 15px; border-radius: 50%; font-size: 18px; font-weight: 600; }
.help-steps a { color: var(--primary); font-size: 17px; font-weight: 600; }
.help-steps span { display: block; color: var(--text-secondary); font-size: 13px; margin-top: 8px; }
.support-panel { display: flex; justify-content: space-between; align-items: center; gap: 35px; }
.support-panel h2 { font-size: 28px; margin-bottom: 12px; }
.support-panel p { color: var(--text-secondary); line-height: 1.9; }
.support-links { display: flex; gap: 26px; }
.support-links > * { display: flex; align-items: center; gap: 12px; border: 0; background: transparent; color: var(--primary); text-align: left; }
.support-links .icon { width: 30px; height: 30px; }
.support-links span { font-size: 13px; color: var(--text-secondary); }
.support-links strong { display: block; font-size: 15px; margin-top: 5px; color: var(--text-primary); }

/* Article shell is shared by the five guides and future CMS articles. */
.help-layout { max-width: 1160px; padding-bottom: 48px; }
.help-breadcrumb { display: flex; gap: 12px; padding: 22px 0; color: var(--text-secondary); font-size: 13px; }
.help-breadcrumb a { color: var(--primary); }
.help-start { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 30px; padding: 19px 24px; margin-bottom: 34px; background: var(--primary-bg); border-radius: 7px; font-size: 14px; }
.help-start a { color: var(--primary); }
.help-archive { background: white; border: 1px solid var(--border-color); border-radius: 10px; padding: 30px 36px 12px; }
.help-toolbar { align-items: center; margin-bottom: 20px; }
.help-toolbar h2 { font-size: 26px; scroll-margin-top: 100px; }
#helpResultCount { color: var(--text-secondary); font-size: 13px; margin: 6px 0 0; }
.help-search-form { width: min(420px, 100%); display: flex; border: 1px solid var(--border-color); border-radius: 6px; overflow: hidden; height: 44px; }
.help-search-form:focus-within { outline: 2px solid var(--primary); outline-offset: 2px; }
.help-search-form input { width: 0; flex: 1; padding: 0 12px; border: 0; outline: 0; background: white; font: inherit; font-size: 14px; min-width: 0; }
.help-search-form input::-webkit-search-cancel-button { display: none; }
.help-search-form button { padding: 0 14px; border: 0; background: var(--primary); color: white; font: inherit; font-size: 14px; cursor: pointer; }
.help-search-form #clearHelpSearch { background: white; color: var(--text-secondary); padding: 0 10px; font-size: 20px; }
.help-filters { display: flex; flex-wrap: wrap; gap: 8px; padding-bottom: 20px; border-bottom: 1px solid var(--border-color); }
.help-filters button { padding: 7px 12px; border: 0; border-radius: 5px; color: var(--text-secondary); background: var(--bg-light); font: inherit; font-size: 13px; cursor: pointer; }
.help-filters button span { margin-left: 6px; opacity: .75; font-size: 11px; }
.help-filters button.active { background: var(--primary); color: white; }
.help-article-list { display: block; }
.help-article { position: relative; display: block; padding: 24px 100px 24px 0; border-bottom: 1px solid var(--border-color); color: var(--text-primary); }
.help-article:last-child { border-bottom: 0; }
.help-article h3 { font-size: 18px; line-height: 1.6; font-weight: 700; margin: 8px 0 6px; overflow-wrap: anywhere; }
.help-article p { margin: 0; font-size: 14px; line-height: 1.8; color: var(--text-secondary); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; overflow-wrap: anywhere; }
.help-article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 16px; font-size: 12px; color: var(--text-secondary); }
.help-category { color: var(--primary); }
.help-read { position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 13px; color: var(--primary); }
.help-read span { margin-left: 6px; }
.help-article:hover h3 { color: var(--primary); }
.help-article:focus-visible { outline: 2px solid var(--primary); outline-offset: 4px; }
.help-pagination { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 7px; padding: 24px 0 16px; border-top: 1px solid var(--border-color); }
.help-pagination a { padding: 6px 11px; border: 1px solid var(--border-color); border-radius: 5px; color: var(--text-secondary); font-size: 13px; }
.help-pagination a[aria-current] { background: var(--primary); color: white; border-color: var(--primary); }
.help-controls[hidden], .help-pagination[hidden], #clearHelpSearch[hidden] { display: none; }
#resetHelp { border: 0; background: var(--primary); color: white; padding: 9px 18px; border-radius: 5px; margin-top: 16px; cursor: pointer; }
.help-contact-strip { display: flex; flex-wrap: wrap; align-items: center; gap: 20px; padding: 30px 0 0; }
.help-contact-strip > div { margin-right: auto; }
.help-contact-strip strong { display: block; font-size: 16px; }
.help-contact-strip div span { display: block; color: var(--text-secondary); font-size: 13px; margin-top: 5px; }
.help-contact-strip > a, .help-contact-strip > button { display: inline-flex; align-items: center; gap: 7px; border: 0; background: transparent; font: inherit; font-size: 14px; color: var(--primary); cursor: pointer; white-space: nowrap; flex: none; }
.help-contact-strip .icon { width: 20px; height: 20px; }
@media (max-width: 768px) {
  .help-layout { padding-bottom: 30px; }
  .help-start { padding: 16px; gap: 12px 20px; margin-bottom: 24px; }
  .help-start strong { width: 100%; }
  .help-archive { padding: 20px 18px 8px; }
  .help-toolbar { display: flex; flex-direction: column; align-items: stretch; gap: 18px; }
  .help-search-form { width: 100%; }
  .help-article { padding: 21px 0; }
  .help-article h3 { font-size: 17px; }
  .help-read { display: none; }
  .help-contact-strip > div { width: 100%; }
  .help-contact-strip { gap: 16px; }
}

.page-header { text-align: left; padding: 34px 0 40px; }
.page-header h1 { font-size: 32px; line-height: 1.5; max-width: 980px; margin: 12px 0; color: white; }
.page-header p { font-size: 15px; line-height: 1.8; max-width: 900px; color: #cedcf0; }
.page-header .eyebrow { display: none; }
.breadcrumb { color: #a8c5e3; font-size: 13px; margin-bottom: 12px; }
.breadcrumb a { color: inherit; }
.article-detail-wrap { display: block; background: var(--bg-light); padding-top: 38px; }
.article-grid { display: grid; grid-template-columns: minmax(0,1fr) 280px; gap: 30px; align-items: start; }
.article-detail { background: white; border: 1px solid var(--border-color); border-radius: 12px; padding: 34px; min-width: 0; }
.article-meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 12px; color: var(--text-light); margin: 0 0 22px; padding-bottom: 16px; border-bottom: 1px solid var(--border-color); }
.article-cover { display: block; width: 100%; max-width: 700px; height: auto; border-radius: 9px; margin: 0 auto 26px; }
.article-body { color: var(--text-secondary); font-size: 15px; line-height: 1.95; overflow-wrap: anywhere; }
.article-body h2 { margin: 32px 0 15px; color: var(--text-primary); font-size: 24px; line-height: 1.5; padding: 0; border: 0; }
.article-body h3 { margin: 23px 0 12px; color: var(--text-primary); font-size: 19px; }
.article-body p { margin-bottom: 17px; }
.article-body a:not(.button) { color: var(--primary); text-decoration: underline; }
.article-body ul, .article-body ol { padding-left: 22px; margin: 14px 0 22px; }
.article-body li { margin: 7px 0; }
.key-points { border-left: 4px solid var(--primary); padding: 20px 24px; background: var(--primary-bg); border-radius: 0 8px 8px 0; margin-bottom: 28px; }
.key-points strong { color: var(--primary-dark); }
.article-detail .article-body .key-points ul { margin: 8px 0 0; display: block; list-style: none; padding-left: 0; }
.article-detail .article-body a.button { text-decoration: none; }
.article-detail .article-body a.button.primary,
.article-detail .article-body a.button.primary:hover,
.article-detail .article-body a.button.primary:focus-visible { color: white; }
.article-detail .article-body .article-register-cta a { text-decoration: none; }
.article-callout { margin: 25px 0; padding: 20px 24px; border-left: 4px solid var(--accent); background: #fff7e9; }
.article-callout p { margin: 6px 0 0; }
.article-end-cta { background: var(--primary-bg); padding: 26px; border-radius: 9px; margin-top: 34px; }
.article-end-cta h2 { margin: 0 0 12px; }
.article-aside { position: sticky; top: 100px; }
.article-body h2, .article-body h3 { scroll-margin-top: 100px; }
.article-toc { max-height: 260px; overflow-y: auto; }
[data-dayu-toc] ul, [data-dayu-related] ul { padding: 0; list-style: none; }
.breadcrumb > .container { display: flex; flex-wrap: wrap; gap: 8px; padding: 0; }
.aside-box { padding: 25px; background: white; border: 1px solid var(--border-color); border-radius: 10px; margin-bottom: 18px; }
.aside-box h2 { font-size: 19px; margin: 0 0 14px; }
.aside-box p { color: var(--text-secondary); font-size: 14px; line-height: 1.9; margin-bottom: 15px; }
.aside-box .button { width: 100%; padding-inline: 12px; }
.aside-box a:not(.button), .related-list a { display: block; color: var(--primary); font-size: 14px; padding: 8px 0; }
.article-pagination { display: flex; justify-content: space-between; gap: 18px; border-top: 1px solid var(--border-color); padding-top: 23px; margin-top: 28px; color: var(--primary); font-size: 14px; }

/* Article reading layout. Kept together so static guides and CMS share one cascade. */
.article-page { background: var(--bg-light); padding-bottom: 64px; }
.article-breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; padding-block: 24px; font-size: 13px; color: var(--text-secondary); }
.article-breadcrumb a { color: var(--primary-dark); }
.article-page .article-grid { grid-template-columns: minmax(0,1fr) 270px; gap: 28px; }
.article-page .article-detail { padding: 32px 36px; }
.article-page .article-header h1 { font-size: 28px; line-height: 1.5; margin: 0 0 10px; font-weight: 700; color: var(--text-primary); }
.article-page .article-deck { font-size: 15px; line-height: 1.8; color: var(--text-secondary); margin: 0 0 16px; }
.article-page .article-meta { font-size: 13px; margin: 0 0 24px; padding-bottom: 18px; color: var(--text-secondary); }
.article-page .article-body { color: var(--text-primary); font-size: 16px; line-height: 1.9; }
.article-page .article-body p { margin: 0 0 18px; }
.article-page .article-body h2 { font-size: 23px; line-height: 1.5; font-weight: 700; margin: 34px 0 16px; }
.article-page .article-body h3 { font-size: 18px; line-height: 1.6; margin: 24px 0 10px; }
.article-page .article-body ul, .article-page .article-body ol { margin: 12px 0 22px; padding-left: 24px; }
.article-page .article-body li { margin: 0 0 8px; }
.article-page .article-body .key-points { padding: 16px 20px; margin: 0 0 24px; }
.article-page .article-body .key-points strong { font-size: 14px; }
.article-page .article-body .key-points p { font-size: 14px; margin: 6px 0 0; color: var(--text-secondary); }
.article-page .article-body .key-points ul { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 18px; margin: 8px 0 0; padding: 0; list-style: none; }
.article-page .article-body .key-points li { font-size: 13px; line-height: 1.65; margin: 0; color: var(--text-secondary); }
.article-page .article-body .registration-entry { display: flex; gap: 18px; justify-content: space-between; align-items: center; border: 1px solid var(--border-color); background: var(--bg-light); padding: 18px 20px; margin: 20px 0; border-radius: 8px; }
.registration-entry strong, .registration-entry span { display: block; }
.registration-entry span { font-size: 13px; color: var(--text-secondary); margin-top: 3px; }
.article-page .article-body .guide-figure { margin: 24px 0 30px; }
.article-page .article-body .guide-figure img { max-width: 740px; border: 1px solid var(--border-color); border-radius: 6px; box-shadow: none; }
.article-page .article-body .guide-figure a { display: block; }
.article-page .article-body figcaption { color: var(--text-secondary); font-size: 12px; margin-top: 10px; }
.article-page .article-body .article-source { margin-top: 28px; border-top: 1px solid var(--border-color); padding-top: 16px; font-size: 13px; color: var(--text-secondary); }
.article-page .article-body .article-end-cta { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px; margin-top: 28px; }
.article-page .article-body .article-end-cta h2 { font-size: 18px; margin: 0 0 5px; }
.article-page .article-body .article-end-cta p { font-size: 13px; margin: 0; color: var(--text-secondary); }
.article-page .article-end-cta .button { flex-shrink: 0; }
.article-page .article-body .article-register-cta { text-align: left; padding: 22px; margin: 28px 0; border: 1px solid var(--border-color); background: var(--primary-bg); color: var(--text-primary); box-shadow: none; }
.article-page .article-body .article-register-cta p { color: var(--text-secondary); font-size: 14px; margin-bottom: 10px; }
.article-page .article-body .article-register-cta .article-register-cta-title { font-weight: 700; font-size: 18px; color: var(--text-primary); }
.article-page .article-body .article-register-cta a { background: var(--primary); color: white; text-decoration: none; }
.article-page .article-body .article-register-cta a:hover { background: var(--primary-dark); color: white; }
.article-page .article-aside { top: 94px; max-height: calc(100dvh - 112px); overflow-y: auto; scrollbar-width: thin; }
.article-page .aside-box { padding: 22px; }
.article-page .aside-box h2, .aside-support h2 { font-size: 17px; }
.article-page .article-toc { max-height: min(340px,42dvh); overflow-y: auto; }
.article-page .aside-box a:not(.button) { font-size: 13px; line-height: 1.7; padding: 7px 0; }
.article-page .related-list a { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.article-page .related-list .icon { width: 15px; height: 15px; flex-basis: 15px; }
.aside-support { padding: 5px 22px 18px; }
.aside-support p { font-size: 12px; color: var(--text-secondary); margin: 6px 0 10px; }
.aside-support a, .aside-support button { display: flex; gap: 9px; align-items: center; border: 0; background: none; color: var(--primary-dark); font-size: 13px; padding: 7px 0; }
.aside-support .icon { width: 16px; height: 16px; flex-basis: 16px; }
.mobile-article-toc { display: none; }
@media (max-width: 1024px) {
  .article-page .article-grid { grid-template-columns: 1fr; }
  .article-page .article-aside { position: static; max-height: none; overflow: visible; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .article-page .article-toc-box { display: none; }
  .mobile-article-toc { display: block; border-bottom: 1px solid var(--border-color); margin: -8px 0 20px; padding-bottom: 12px; }
  .mobile-article-toc summary { cursor: pointer; font-size: 14px; color: var(--primary-dark); font-weight: 600; }
  .mobile-article-toc nav { max-height: 280px; overflow-y: auto; padding-top: 8px; }
  .mobile-article-toc a { display: block; padding: 7px 0; font-size: 14px; color: var(--primary-dark); }
}
@media (max-width: 768px) {
  .article-page { padding-bottom: 36px; }
  .article-breadcrumb { padding-block: 18px; font-size: 12px; }
  .article-page .article-detail { padding: 24px 22px; }
  .article-page .article-header h1 { font-size: 23px; }
  .article-page .article-deck { font-size: 14px; }
  .article-page .article-body h2 { font-size: 20px; }
  .article-page .article-body .key-points { padding: 14px 16px; }
  .article-page .article-body .key-points ul { grid-template-columns: 1fr; gap: 5px; }
  .article-page .article-body .registration-entry, .article-page .article-body .article-end-cta { align-items: flex-start; flex-direction: column; gap: 14px; padding: 18px; }
  .article-page .article-body { font-size: 16px; }
  .article-page .article-aside { grid-template-columns: 1fr; gap: 16px; }
}

.cta-band { background: linear-gradient(120deg,var(--primary-dark),var(--primary)); padding: 50px 0; color: white; }
.cta-layout { display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.cta-band h2 { color: white; font-size: 30px; margin-bottom: 12px; }
.cta-band p { color: #d6eafd; font-size: 15px; }
.cta-band .button { background: white; color: var(--primary-dark); min-width: 172px; }
.site-footer { background: var(--footer-bg); color: #b3bfcc; padding: 58px 0 26px; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .7fr .9fr 1fr; gap: 55px; }
.site-footer h2 { font-size: 17px; margin-bottom: 20px; color: white; }
.site-footer p { font-size: 14px; line-height: 1.9; color: #a0afbf; }
.footer-grid > div > a { display: block; color: #b3bfcc; font-size: 14px; margin: 10px 0; }
.footer-tags { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 18px; }
.footer-tags span { font-size: 11px; background: rgba(255,255,255,.07); border-radius: 4px; color: #b3bfcc; padding: 5px 8px; }
.contact-list { list-style: none; padding: 0; margin: 0; }
.contact-list li { display: flex; align-items: center; gap: 9px; font-size: 13px; margin-bottom: 13px; }
.contact-list .icon { width: 17px; height: 17px; flex-basis: 17px; color: var(--primary-light); }
.contact-list a { color: inherit; }
.text-copy { border: 0; background: none; color: var(--primary-light); padding: 2px 4px; font-size: 12px; }
.footer-notice { border-top: 1px solid rgba(255,255,255,.1); border-bottom: 1px solid rgba(255,255,255,.1); margin: 34px 0 0; padding: 18px 0; font-size: 12px !important; color: #8c9aab !important; }
.footer-bottom { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 10px 18px; padding: 22px 0 0; border: 0; color: #8c9aab; font-size: 12px; }
.footer-bottom a { color: inherit; }
.footer-bottom img { width: 16px; height: 16px; display: inline-block; vertical-align: -3px; margin-right: 5px; }
.float-contact { position: fixed; right: 14px; top: 43%; z-index: 110; }
.contact-widget { display: grid; gap: 7px; }
.contact-item { position: relative; }
.contact-trigger, .contact-top { display: grid; place-items: center; width: 48px; height: 48px; border: 0; border-radius: 9px; background: #0da8df; color: white; cursor: pointer; }
.contact-trigger .icon, .contact-top .icon { width: 25px; height: 25px; }
.contact-wechat { background: #08b96b; }
.contact-top { background: #566574; }
.contact-panel { position: absolute; right: 60px; top: 50%; transform: translateY(-50%); width: 230px; padding: 18px; background: white; color: var(--text-primary); border: 1px solid var(--border-color); border-radius: 10px; box-shadow: 0 10px 40px #071f3430; text-align: center; }
.contact-panel[hidden] { display: none; }
.contact-panel::after { content: ''; position: absolute; right: -14px; top: 0; width: 14px; height: 100%; }
.contact-panel::before { content: ''; position: absolute; right: -7px; top: calc(50% - 7px); width: 12px; height: 12px; background: white; border-top: 1px solid var(--border-color); border-right: 1px solid var(--border-color); transform: rotate(45deg); }
.contact-panel-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; font-size: 15px; }
.contact-panel-heading button { border: 0; background: transparent; font-size: 24px; line-height: 1; color: var(--text-secondary); cursor: pointer; }
.contact-panel img { display: block; width: 160px; height: 160px; margin: 0 auto 10px; }
.contact-panel p { font-size: 13px; margin: 8px 0; color: var(--text-secondary); }
.contact-number { display: block; font-size: 20px; color: var(--primary); font-weight: 700; }
.contact-action { display: block; background: var(--primary-bg); border-radius: 5px; padding: 8px; margin-top: 12px; color: var(--primary); font-size: 14px; }
.wechat-account { font-size: 13px; user-select: text; }
.wechat-account button { border: 0; background: transparent; color: var(--primary); padding: 5px; cursor: pointer; }
.copy-feedback:not(:empty) { position: fixed; bottom: 85px; left: 50%; transform: translateX(-50%); width: max-content; max-width: 90vw; padding: 12px 20px; border-radius: 8px; background: var(--footer-bg); color: white; font-size: 14px; z-index: 120; }
.mobile-cta > button { border: 0; background: transparent; display: flex; align-items: center; justify-content: center; gap: 8px; color: var(--primary); font: inherit; flex: 1; }
.mobile-cta { display: none; }
@media (max-width: 1300px) { .float-contact { right: 8px; } .contact-trigger, .contact-top { width: 40px; height: 43px; } }
@media (max-width: 1024px) {
  .container { padding-inline: 28px; }
  .header-inner { gap: 12px; }
  .nav-menu a { padding-inline: 12px; }
  .hero-content { gap: 25px; }
  .hero h1 { font-size: 36px; }
  .hero h1 .brand-highlight { font-size: 20px; }
  .hero-feature-card { padding: 12px 10px; gap: 9px; }
  .hero-feature-card span { font-size: 13px; }
  .hero-image { display: block; }
  .packages-grid, .features-grid, .experience-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .help-list { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .footer-grid { gap: 25px; grid-template-columns: 1.2fr .7fr .9fr 1.1fr; }
  .support-panel { align-items: flex-start; flex-direction: column; }
  .article-grid { grid-template-columns: minmax(0,1fr) 245px; gap: 22px; }
  .article-detail { padding: 25px; }
  .float-contact { top: auto; bottom: 88px; display: none; }
  .float-contact.is-open { display: block; }
  .mobile-cta { position: fixed; bottom: 0; left: 0; right: 0; z-index: 100; display: flex; background: white; box-shadow: 0 -3px 14px rgba(0,0,0,.08); padding: 9px 16px max(9px,env(safe-area-inset-bottom)); gap: 12px; }
  .mobile-cta > * { display: inline-flex; align-items: center; justify-content: center; gap: 7px; flex: 1; min-height: 42px; font-size: 14px; border-radius: 7px; }
  footer.site-footer { padding-bottom: 100px; }
  .contact-panel { top: auto; bottom: 0; transform: none; right: 50px; width: min(230px, calc(100vw - 70px)); }
  .contact-panel::before { top: auto; bottom: 15px; }
}
@media (max-width: 768px) {
  :root { --header-height: 64px; }
  .container { padding-inline: 20px; }
  .header-inner { height: var(--header-height); }
  .brand-mark, .brand-mark img { width: 133px; flex-basis: 133px; }
  .header-actions { margin-left: auto; }
  .header-actions .button { padding: 8px 14px; min-height: 36px; }
  .hamburger { display: flex; }
  .nav-menu { display: none; position: absolute; top: var(--header-height); left: 0; right: 0; padding: 15px 20px; background: white; box-shadow: var(--shadow-md); flex-direction: column; transform: none; height: auto; }
  .nav-menu.open { display: flex; }
  .nav-menu a { padding: 12px 16px; }
  .nav-menu a.active::after { display: none; }
  .hero { padding: 32px 0 36px; }
  .hero-content { display: flex; flex-direction: column; gap: 0; }
  .hero-text { display: contents; text-align: left; }
  .hero h1 { order: 1; width: 100%; }
  .hero-desc { order: 2; width: 100%; }
  .hero-image { order: 3; margin-bottom: 24px; }
  .hero-features { order: 4; width: 100%; }
  .hero-cta { order: 5; width: 100%; }
  .hero-note { order: 6; width: 100%; }
  .hero h1 { font-size: 34px; }
  .hero h1 .brand-highlight { font-size: 20px; }
  .hero-desc { font-size: 15px; line-height: 1.85; margin-bottom: 22px; }
  .hero-badge { margin-bottom: 16px; align-self: flex-start; order: 0; }
  .hero-features { gap: 10px; margin-bottom: 23px; }
  .hero-feature-card { padding: 12px; }
  .hero-feature-card strong { font-size: 12px; }
  .hero-feature-card span { font-size: 13px; }
  .hero-feature-card > .icon { width: 22px; height: 22px; flex-basis: 22px; }
  .hero-cta { display: flex; flex-direction: row; gap: 12px; }
  .hero-cta .button { flex: 1; min-width: 0; padding-inline: 13px; min-height: 46px; }
  .hero-note { font-size: 11px; }
  .hero-image { display: block; width: 100%; max-width: 590px; }
  .hero-showcase { border-radius: 8px; }
  .section, .features, .packages-preview { padding: 44px 0; }
  .section-title { font-size: 27px; }
  .section-subtitle { font-size: 14px; }
  .section-header { margin-bottom: 26px; }
  .scenario-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
  .features-grid, .packages-grid { gap: 16px; }
  .feature-card { padding: 22px; }
  .protocol-grid { grid-template-columns: 1fr; gap: 16px; }
  .protocol-card { padding: 25px; }
  .service-grid { gap: 25px; grid-template-columns: 1fr; }
  .service-grid article { text-align: left; padding-left: 52px; position: relative; }
  .service-grid .icon { position: absolute; left: 0; top: 0; }
  .steps { gap: 22px; }
  .steps h3 { font-size: 18px; }
  .steps p { font-size: 13px; }
  .page-intro { padding: 30px 0; }
  .page-intro h1 { font-size: 28px; }
  .page-intro p { font-size: 14px; }
  .price-nav { position: static; }
  .price-nav .container { gap: 9px 20px; }
  .price-nav a { font-size: 13px; padding-block: 12px; }
  .price-notice { padding: 13px 15px; font-size: 13px; }
  .custom-layout { grid-template-columns: 1fr 1fr; gap: 25px; }
  .custom-description h3 { font-size: 21px; }
  .custom-description p, .custom-description li { font-size: 14px; }
  .help-toolbar { flex-direction: column; align-items: stretch; gap: 18px; }
  .search-box { width: 100%; }
  .article-card-content { padding: 20px; }
  .help-steps { grid-template-columns: repeat(2,minmax(0,1fr)); row-gap: 30px; }
  .support-links { flex-wrap: wrap; gap: 24px; }
  .support-panel h2 { font-size: 25px; }
  .article-grid { grid-template-columns: 1fr; }
  .page-header { padding: 25px 0 30px; }
  .page-header h1 { font-size: 27px; }
  .article-aside { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
  .aside-box { margin: 0; }
  .article-body h2 { font-size: 22px; }
  .article-detail { padding: 24px; }
  .cta-band { padding: 36px 0; }
  .cta-layout { flex-direction: column; align-items: flex-start; gap: 23px; }
  .cta-band h2 { font-size: 26px; }
  .cta-band p { font-size: 14px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 24px; }
  footer.site-footer { padding: 40px 0 110px; }
  .mobile-cta { position: fixed; bottom: 0; left: 0; right: 0; z-index: 100; display: flex; background: white; box-shadow: 0 -3px 14px rgba(0,0,0,.08); padding: 9px 16px max(9px,env(safe-area-inset-bottom)); gap: 12px; }
  .mobile-cta > * { display: inline-flex; align-items: center; justify-content: center; gap: 7px; flex: 1; min-height: 42px; font-size: 14px; border-radius: 7px; }
  .mobile-cta > a:first-child { color: var(--primary); border: 1px solid var(--primary); }
}
@media (max-width: 520px) {
  .hero h1 { font-size: 32px; }
  .hero h1 .brand-highlight { font-size: 18px; }
  .features-grid, .packages-grid, .packages-grid.two, .scenario-grid, .experience-grid, .help-list, .custom-layout { grid-template-columns: 1fr; }
  .feature-card { padding: 24px; }
  .feature-card .card-icon { float: left; margin-right: 17px; }
  .feature-card h3 { padding-top: 3px; }
  .feature-card p { clear: both; padding-top: 10px; }
  .steps { grid-template-columns: 1fr; gap: 28px; text-align: left; }
  .steps article { position: relative; padding-left: 62px; }
  .steps b { position: absolute; left: 0; top: 0; width: 40px; height: 40px; }
  .steps p { font-size: 14px; margin-bottom: 8px; }
  .article-aside { grid-template-columns: 1fr; }
  .article-detail { padding: 21px 18px; }
  .page-header h1 { font-size: 24px; }
  .key-points { padding: 17px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
  .footer-grid > :first-child, .footer-grid > :last-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; font-size: 11px; }
  .faq-list details { padding-inline: 18px; }
  .faq-list summary { font-size: 15px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}