@charset "UTF-8";

/* Shared foundations and accessible controls. */
:root {
  --ink: #253548;
  --muted: #718091;
  --line: #dce2e9;
  --paper: #ffffff;
  --ice: #eef4fa;
  --teal: #6099e2;
  --teal-dark: #294363;
  --mint: #e8f1fb;
  --lime: #edf3fa;
  --amber: #b9714e;
  --shadow: 0 8px 24px #2535480b;
  --radius: 16px;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body { margin: 0; background: var(--paper); font-size: 15px; line-height: 1.65; }
body.dialog-open { overflow: hidden; }
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { color: inherit; cursor: pointer; }
button:disabled { cursor: not-allowed; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; }
button svg, a svg { flex-shrink: 0; }
p, h1, h2, h3, ul, ol { margin: 0; }
button:focus-visible, a:focus-visible, summary:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid #367ccc; outline-offset: 4px; }
[hidden] { display: none !important; }
.shell { width: min(84%, 1720px); margin-inline: auto; }
.icon { flex-shrink: 0; vertical-align: middle; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 44px; padding: 10px 20px; border: 1px solid transparent; border-radius: 9px; font-size: 14px; font-weight: 600; line-height: 1.5; transition: background .18s, box-shadow .18s; }
.button-primary, .blue { background: #3473c2; color: #fff; }
.button-primary:hover:not(:disabled), .blue:hover:not(:disabled) { background: #2862a9; box-shadow: 0 4px 12px #417ec41a; }
.button-outline { border-color: #cfd9e5; background: #fff; }
.button-outline:hover { background: #eff5fc; }
.button-soft { border-color: #dce5ef; background: #f0f5fb; color: #426b9c; }
.button-soft:hover { background: #e6eff9; }
.button:disabled { color: #75869a; background: #e4ebf3; border-color: #dce4ee; box-shadow: none; }
.text-button { display: inline-flex; align-items: center; gap: 7px; border: 0; padding: 0; background: none; color: #477eb7; font-size: 13px; font-weight: 600; }
.text-button:hover, .text-link:hover { color: #225e9d; }
.text-link { display: inline-flex; align-items: center; gap: 9px; font-size: 14px; font-weight: 600; color: #477eb7; }
.full-width { width: 100%; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; color: #657e99; font-size: 11px; font-weight: 600; letter-spacing: 1.7px; }
.status-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #7b9bbb; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 100; padding: 12px 20px; border-radius: 8px; color: #fff; background: #294363; }
.skip-link:focus { top: 16px; }

/* Full-width support bar, white navigation, and compact editorial hero. */
.top-support { color: #e4eaf2; background: #25364e; border-bottom: 1px solid #3d4d62; }
.support-inner { min-height: 44px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.support-message { display: flex; align-items: center; gap: 12px; font-size: 12px; }
.support-badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 9px; border: 1px solid #64758a; border-radius: 6px; color: #e7eef7; background: #344963; white-space: nowrap; }
.support-badge svg { width: 14px; height: 14px; }
.support-contact { display: inline-flex; align-items: center; gap: 7px; padding: 5px 11px; border: 1px solid #52647c; border-radius: 6px; color: #ecf2fa; font-size: 12px; white-space: nowrap; background: #30425a; }
.support-contact:hover { background: #3d536e; }
.support-contact svg { width: 15px; height: 15px; }
.site-header { position: sticky; top: 0; z-index: 20; background: #fffffffa; border-bottom: 1px solid #dbe2e9; backdrop-filter: blur(12px); }
.header-inner { height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; flex-shrink: 0; }
.brand-mark { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; color: #fff; background: #294b78; border: 3px solid #e8edf4; box-shadow: 0 3px 9px #23426418; }
.brand-mark svg { width: 27px; height: 27px; }
.brand-lockup { display: flex; flex-direction: column; gap: 5px; }
.brand-name { font-size: 23px; font-weight: 650; line-height: 1; letter-spacing: -.8px; }
.brand-dot { color: #b97355; }
.brand-subtitle { color: #738094; font-size: 9px; letter-spacing: 1.2px; line-height: 1.2; }
.desktop-nav { display: flex; align-items: center; gap: 32px; font-size: 13px; font-weight: 550; }
.desktop-nav > a { position: relative; display: flex; align-items: center; gap: 6px; height: 76px; }
.desktop-nav a:hover { color: #4a7daf; }
.desktop-nav a[aria-current="page"]::after { position: absolute; content: ""; height: 3px; background: #be7b59; bottom: 0; left: 0; right: 0; }
.tiny-badge { min-width: 16px; padding: 0 4px; border-radius: 4px; color: #70839c; background: #eef2f7; font-size: 10px; text-align: center; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.order-link { display: flex; align-items: center; gap: 7px; padding: 7px 13px; border: 1px solid #3473c2; border-radius: 9px; color: #fff; background: #3473c2; font-size: 13px; white-space: nowrap; }
.order-link:hover { background: #2862a9; }
.order-link .icon { width: 17px; height: 17px; }
.icon-button { display: grid; place-items: center; width: 38px; height: 38px; padding: 8px; border: 1px solid #dce3ec; border-radius: 8px; background: #fff; }
.menu-toggle { display: none; }
.mobile-nav { display: grid; gap: 3px; padding: 12px 16px 18px; border-top: 1px solid var(--line); }
.mobile-nav a { padding: 11px; border-radius: 8px; }
.mobile-nav a:hover { background: var(--ice); }
.hero { overflow: hidden; background: linear-gradient(112deg, #eaf4fa 0%, #f9fcfd 55%, #fcf8ee 100%); border-bottom: 1px solid #dce4e9; }
.hero-layout { min-height: 204px; display: flex; align-items: center; justify-content: space-between; gap: 48px; }
.hero-copy { min-width: 0; padding: 32px 0 35px; }
.hero-copy > .eyebrow { font-size: 11px; letter-spacing: 1.9px; margin-bottom: 10px; }
.hero-copy > .eyebrow::before, .catalog-heading .eyebrow::before { content: ""; width: 26px; height: 1px; background: #71879d; }
.hero h1 { color: #b97250; font-family: "Songti SC", STSong, "Noto Serif SC", "SimSun", serif; font-size: clamp(36px, 3.7vw, 56px); font-weight: 700; line-height: 1.25; letter-spacing: -1px; margin-bottom: 14px; }
.hero-description { max-width: 850px; font-size: 14px; color: #7f8994; line-height: 1.9; }
.hero-guide-link { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; border-left: 3px solid #bf7957; padding: 5px 0 5px 20px; color: #43556d; font-size: 13px; font-weight: 600; }
.hero-guide-link svg { width: 14px; height: 14px; }
.hero-art, .hero-buttons, .hero-disclaimer { display: none; }

/* Compact catalog cards; the thumbnail remains a shallow crop. */
.catalog-section { padding: 31px 0 28px; background-color: #f6f7f9; background-image: linear-gradient(#dfe5eb42 1px, transparent 1px), linear-gradient(90deg, #dfe5eb42 1px, transparent 1px); background-size: 34px 34px; border-bottom: 1px solid #e0e5eb; }
.catalog-section #plans { scroll-margin-top: 104px; }
.catalog-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.catalog-count { font-size: 12px; color: #8a96a4; white-space: nowrap; }
.plans-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: stretch; }
.plan-card { display: flex; flex-direction: column; min-width: 0; overflow: hidden; padding: 0; border: 1px solid #dce2e8; border-radius: 17px; background: #fff; box-shadow: 0 4px 14px #273c5306; transition: box-shadow .2s, border-color .2s; }
.plan-card:hover { box-shadow: 0 8px 22px #273c5310; border-color: #c5d4e3; }
.plan-card.featured { background: #fff; border-color: #cad9e8; }
.plan-thumbnail { position: relative; flex-shrink: 0; height: clamp(122px, 9.1vw, 150px); overflow: hidden; background: linear-gradient(135deg, #eaf2f8, #f1f5f8); border-bottom: 1px solid #e0e6ec; }
.original-gpt-symbol { position: absolute; width: clamp(150px, 14vw, 220px); height: auto; max-width: 75%; left: 50%; bottom: -39%; transform: translateX(-50%); color: #17212c; opacity: .96; }
.thumbnail-label { position: absolute; top: 16px; left: 18px; z-index: 1; color: #7890a5; font-size: 12px; line-height: 1.4; letter-spacing: .2px; }
.thumbnail-label strong { display: block; font-size: 15px; font-weight: 600; color: #536e87; }
.thumbnail-label small, .thumbnail-label span { display: block; margin-top: 3px; font-size: 11px; }
.thumbnail-brand { position: absolute; top: 18px; right: 17px; color: #99aabc; font-size: 9px; letter-spacing: 1.7px; }
.plan-content { display: flex; flex-direction: column; flex: 1; min-width: 0; padding: 17px 19px 13px; }
.plan-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 7px; }
.product-kicker { color: #7e8da0; font-size: 9px; line-height: 1.5; font-weight: 600; letter-spacing: 1.2px; }
.plan-tag { flex-shrink: 0; padding: 2px 6px; border-radius: 4px; color: #6f8ba6; background: #edf4fa; font-size: 10px; line-height: 1.5; }
.plan-card h3 { color: #2d3745; font-size: clamp(18px, 1.35vw, 22px); font-weight: 650; line-height: 1.5; letter-spacing: -.3px; }
.plan-description { font-size: 12px; line-height: 1.8; color: #6f7f91; margin-top: 6px; }
.plan-note { font-size: 12px; line-height: 1.65; color: #8993a0; margin-top: 5px; }
.plan-checkline { display: flex; align-items: flex-start; gap: 6px; font-size: 12px; line-height: 1.65; color: #798b9d; margin-top: 7px; }
.plan-checkline svg { width: 13px; height: 18px; color: #8ba5bf; }
.plan-purchase-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: auto; padding-top: 13px; border-top: 1px solid #e2e6eb; margin-bottom: 0; }
.plan-checkline + .plan-purchase-row, .plan-note + .plan-purchase-row { margin-top: 14px; }
.plan-price { min-width: 0; margin: 0; line-height: 1.3; }
.price-caption { display: block; font-size: 10px; color: #8f99a6; margin-bottom: 4px; }
.price-value { display: flex; align-items: baseline; gap: 2px; color: #bc7757; white-space: nowrap; }
.price-value .currency { font-size: 14px; font-weight: 600; }
.price-value strong { font-size: clamp(22px, 1.8vw, 29px); font-weight: 650; letter-spacing: -.6px; }
.price-value strong.pending-price { font-size: 23px; letter-spacing: 0; }
.price-unit { display: block; margin-top: 3px; font-size: 10px; color: #939ca8; }
.plan-button { flex-shrink: 0; width: auto; min-height: 38px; padding: 8px 13px; font-size: 13px; gap: 6px; border-radius: 9px; white-space: nowrap; }
.plan-button svg { width: 15px; height: 15px; }
.plan-detail { display: flex; align-items: center; justify-content: flex-start; gap: 5px; font-size: 11px; line-height: 1.6; color: #919ba7; margin-top: 10px; }
.plan-detail svg { width: 12px; height: 12px; }
.service-notice { display: flex; align-items: center; gap: 12px; padding: 13px 17px; margin-top: 18px; border: 1px solid #e0e5eb; border-radius: 10px; background: #ffffffc9; }
.notice-icon { display: grid; place-items: center; flex-shrink: 0; width: 30px; height: 30px; border-radius: 8px; background: #edf3fa; color: #7091b4; }
.notice-icon svg { width: 17px; height: 17px; }
.service-notice strong { font-size: 12px; font-weight: 600; }
.service-notice p { font-size: 12px; line-height: 1.7; color: #7f8d9d; }
.service-notice > a { display: inline-flex; align-items: center; gap: 7px; margin-left: auto; white-space: nowrap; font-size: 12px; color: #557ba8; }
.service-notice > a .icon { width: 14px; height: 14px; }
.price-footnote { margin-top: 12px; text-align: center; font-size: 11px; line-height: 1.8; color: #8f9aa7; }
.resume-banner { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 14px; padding: 15px 18px; background: #edf4fc; border: 1px solid #cddff1; border-radius: 9px; font-size: 13px; }
.resume-banner > span { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; min-width: 0; }
.resume-banner strong { overflow-wrap: anywhere; }

/* Supporting content stays readable without competing with the catalog. */
.section { padding-block: 65px; }
.section-heading { display: flex; justify-content: space-between; align-items: flex-end; gap: 30px; margin-bottom: 29px; }
.section-heading .eyebrow { margin-bottom: 10px; }
h2 { font-size: 30px; line-height: 1.5; letter-spacing: -.5px; font-weight: 600; }
.section-heading p { margin-top: 9px; font-size: 14px; color: var(--muted); }
.section-heading > .text-link { margin-bottom: 7px; }
.steps-section { padding-block: 52px; background: #fff; border-bottom: 1px solid #e7ebf0; }
.steps-layout { display: grid; grid-template-columns: .8fr 1.6fr; align-items: center; gap: 55px; }
.steps-intro .eyebrow { margin-bottom: 14px; }
.steps-intro h2 { font-family: "Songti SC", STSong, "Noto Serif SC", serif; color: #3d4b5d; font-size: 31px; line-height: 1.5; }
.steps-intro p { margin-top: 12px; color: #85909d; font-size: 13px; line-height: 1.9; }
.steps-intro .text-link { margin-top: 17px; font-size: 13px; }
.steps-list { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; padding: 0; list-style: none; }
.steps-list li { display: grid; grid-template-columns: 1fr auto; gap: 20px 8px; min-width: 0; min-height: 162px; padding: 19px 16px; border: 1px solid #e0e5eb; border-radius: 13px; background: #fff; }
.step-number { color: #8b9cb0; font-size: 12px; letter-spacing: 1px; }
.steps-list li > .icon, .steps-list li > .alipay-mini { color: #7e96b2; width: 20px; height: 20px; }
.steps-list li > div { grid-column: 1 / -1; }
.steps-list h3 { font-size: 13px; font-weight: 600; }
.steps-list p { margin-top: 6px; color: #8793a1; font-size: 12px; line-height: 1.8; }
.alipay-mini { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 5px; background: #e8f2ff; color: #468cd4; font-size: 14px; font-weight: 700; }
.guides-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.guide-card { display: flex; flex-direction: column; align-items: flex-start; padding: 25px; border: 1px solid var(--line); border-radius: 13px; transition: background .2s; }
.guide-card:hover { background: #f7faff; }
.guide-card-meta { display: flex; align-items: center; gap: 10px; width: 100%; margin-bottom: 22px; color: #8a97a6; font-size: 12px; }
.guide-number { display: grid; place-items: center; width: 29px; height: 29px; border-radius: 7px; background: #edf3fa; color: #6e8db1; font-size: 12px; }
.guide-arrow { color: #8b9fb8; margin-left: auto; }
.guide-arrow .icon { width: 17px; }
.guide-card h3 { margin-bottom: 10px; font-size: 17px; line-height: 1.6; font-weight: 600; }
.guide-card p { margin-bottom: 18px; font-size: 13px; color: #7b8b9e; line-height: 1.9; }
.guide-read { margin-top: auto; color: #94a0ae; font-size: 12px; }
.guide-more { display: flex; align-items: center; justify-content: center; gap: 9px; margin-top: 23px; font-size: 12px; color: #7b8fa9; }
.guide-more svg { width: 16px; }
.faq-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; border-top: 1px solid var(--line); padding-top: 58px; }
.faq-intro .eyebrow { margin-bottom: 13px; }
.faq-intro p { margin: 15px 0 21px; color: #8491a1; font-size: 14px; line-height: 1.9; }
.faq-intro .text-link { font-size: 13px; }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 20px 0; font-size: 14px; font-weight: 600; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-plus { font-size: 22px; font-weight: 300; color: #8ba0b9; line-height: 1; }
.faq-list details[open] .faq-plus { transform: rotate(45deg); }
.faq-list details p { padding: 0 30px 22px 0; color: #74879d; font-size: 13px; line-height: 1.95; }
.closing-section { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 25px; overflow: hidden; padding: 32px 36px; margin-bottom: 60px; border: 1px solid #dfe6ef; border-radius: 14px; background: #f2f6fb; }
.closing-section h2 { margin-top: 9px; font-size: 26px; }
.closing-section p { margin-top: 7px; font-size: 13px; color: #7f91a6; }
.closing-section > .button { position: relative; z-index: 1; }
.closing-spark { position: absolute; top: -60px; right: -30px; color: #e6edf6; font-size: 200px; line-height: 1.4; }
.site-footer { padding: 34px 0 22px; background: #f7f9fc; border-top: 1px solid #e2e7ef; }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: 30px; padding-bottom: 28px; }
.footer-top .brand-mark { width: 34px; height: 34px; }
.footer-top .brand-mark svg { width: 23px; height: 23px; }
.footer-top .brand-name { font-size: 22px; }
.footer-top p { margin-top: 10px; color: #8b99aa; font-size: 12px; }
.footer-top nav { display: flex; flex-wrap: wrap; gap: 25px; color: #73869d; font-size: 12px; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 18px; border-top: 1px solid #e0e6ee; color: #91a0b1; font-size: 11px; line-height: 1.8; }

/* Guides, policies, and order pages. */
.content-main { padding-top: 28px; padding-bottom: 75px; min-height: calc(100vh - 300px); }
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 38px; color: #8b9bad; font-size: 12px; }
.breadcrumb a:hover { color: #437ebc; }
.breadcrumb svg { width: 12px; height: 12px; color: #9faec0; }
.page-heading { margin-bottom: 34px; }
.page-heading .eyebrow { margin-bottom: 15px; }
.page-heading h1 { font-size: 40px; line-height: 1.4; letter-spacing: -1px; font-weight: 650; }
.page-heading p { margin-top: 15px; color: #798da5; font-size: 15px; line-height: 1.9; }
.all-guides .guide-card { min-height: 255px; }
.article-note { display: flex; gap: 13px; margin-top: 30px; padding: 20px 24px; border-radius: 11px; background: #f0f5fb; color: #6c86a5; font-size: 13px; line-height: 1.9; }
.article-note svg { margin-top: 3px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 960px) minmax(220px, 300px); justify-content: space-between; gap: 6vw; }
.article-header { padding-bottom: 28px; margin-bottom: 32px; border-bottom: 1px solid var(--line); }
.article-header > .eyebrow { margin-bottom: 18px; }
.article h1 { font-size: 36px; font-weight: 650; line-height: 1.5; letter-spacing: -.8px; }
.article-lead { margin-top: 18px; color: #768ba5; font-size: 16px; line-height: 1.9; }
.article-meta { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 20px; color: #91a1b3; font-size: 12px; }
.article-section { margin-bottom: 32px; scroll-margin-top: 100px; }
.article-section h2 { margin-bottom: 14px; font-size: 22px; font-weight: 650; letter-spacing: -.2px; }
.article-section p, .article-section li { color: #5e748f; font-size: 15px; line-height: 2; }
.article-section p + p { margin-top: 13px; }
.article-section ul { margin-top: 15px; padding-left: 22px; }
.article-section li { padding-left: 4px; margin-bottom: 8px; }
.article-section li::marker { color: #849fbe; }
.article-sources { padding-top: 25px; margin-top: 36px; border-top: 1px solid var(--line); }
.article-sources h2 { font-size: 18px; }
.article-sources p { margin-top: 9px; color: #899bb0; font-size: 12px; }
.article-sources ul { display: grid; gap: 10px; padding: 0; margin-top: 15px; list-style: none; }
.article-sources a { color: #497fb6; font-size: 13px; overflow-wrap: anywhere; }
.article-sources .icon { width: 12px; height: 12px; margin-left: 5px; }
.toc { position: sticky; top: 100px; padding: 23px; border: 1px solid #dfe6ef; border-radius: 13px; background: #f7f9fc; }
.toc > .eyebrow { font-size: 11px; letter-spacing: 1px; }
.toc nav { display: grid; gap: 2px; margin: 15px 0 22px; }
.toc nav a { display: flex; align-items: flex-start; gap: 10px; padding-block: 8px; color: #778ca6; font-size: 13px; line-height: 1.7; }
.toc nav a:hover { color: #427bb4; }
.toc nav a > span { color: #96a8bc; font-size: 11px; padding-top: 2px; }
.toc .button { width: 100%; padding-inline: 13px; font-size: 13px; }
.toc > p { margin-top: 12px; text-align: center; color: #8ea1b6; font-size: 12px; line-height: 1.8; }
.next-guide { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 22px 25px; margin-top: 36px; border: 1px solid #dce5ef; border-radius: 11px; background: var(--ice); }
.next-guide span { color: #7f95b0; font-size: 12px; }
.next-guide strong { display: block; margin-top: 5px; color: var(--ink); font-size: 15px; font-weight: 600; }
.policy-article, .policy-main .breadcrumb { max-width: 920px; margin-inline: auto; }
.orders-main { max-width: 1100px; }
.order-page-card { padding: 28px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.order-summary { padding: 23px; border: 1px solid #dce5ef; border-radius: 12px; background: #f7f9fc; }
.order-summary-title { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.status-pill { display: inline-flex; align-items: center; gap: 7px; padding: 5px 10px; border-radius: 6px; background: #eaf1fa; color: #5e80a9; font-size: 12px; font-weight: 600; }
.status-pill.good { background: #e8f2ed; color: #507d69; }
.status-pill svg { width: 14px; height: 14px; }
.order-id { color: #8295ad; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; overflow-wrap: anywhere; }
.order-summary dl { display: grid; gap: 12px; margin: 22px 0 0; }
.order-summary dl > div { display: flex; justify-content: space-between; gap: 24px; font-size: 13px; }
.order-summary dt { color: #8396ae; flex-shrink: 0; }
.order-summary dd { margin: 0; text-align: right; font-weight: 550; overflow-wrap: anywhere; }
.order-message { margin-top: 19px; padding-top: 15px; border-top: 1px solid #dce5ef; color: #6b86a5; font-size: 13px; line-height: 1.9; }
.order-summary .button { margin-top: 17px; min-height: 42px; font-size: 13px; }
.order-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 22px; }
.order-page-card .muted { margin-top: 17px; text-align: center; color: #8396ad; font-size: 12px; }
.empty-order { padding: 50px 25px; text-align: center; border: 1px dashed #cddbec; border-radius: 16px; background: #f9fbfe; }
.empty-order-icon { display: grid; place-items: center; width: 56px; height: 56px; margin: 0 auto 20px; border-radius: 16px; background: #eaf1fa; color: #7895b8; }
.empty-order-icon svg { width: 27px; height: 27px; }
.empty-order h2 { font-size: 23px; }
.empty-order p { margin-top: 13px; color: #7d93af; font-size: 14px; line-height: 1.9; }
.empty-order > .button { margin-top: 24px; }
.support-panel { padding: 23px; margin-top: 28px; border: 1px solid var(--line); border-radius: 12px; }
.support-panel h2 { font-size: 19px; }
.support-panel p { margin: 10px 0 18px; color: #738ba7; font-size: 13px; line-height: 1.9; }
.support-panel .button { font-size: 13px; }
.new-order-panel, .previous-order-note { padding: 16px; margin-top: 18px; border: 1px solid #dce5ef; border-radius: 9px; background: #f5f8fc; }
.new-order-panel h3 { font-size: 14px; }
.new-order-panel p, .previous-order-note p { margin: 8px 0 13px; color: #7b90ab; font-size: 12px; line-height: 1.9; }
.new-order-panel .button { font-size: 13px; }
.previous-order-note span { display: block; color: #8297b0; font-size: 12px; }
.previous-order-note strong { display: block; margin-top: 4px; font-family: ui-monospace, monospace; font-size: 12px; font-weight: 500; overflow-wrap: anywhere; }
.previous-order-note p { margin: 5px 0 0; }

/* Checkout uses a fixed footer and an independently scrolling form body. */
dialog#checkout { position: fixed; inset: 0 0 0 auto; width: min(530px, 100%); height: 100%; height: 100dvh; max-height: 100dvh; max-width: 100%; padding: 0; margin: 0; border: 0; background: #f5f6f8; color: var(--ink); box-shadow: -12px 0 40px #27374f17; overflow: hidden; }
dialog#checkout::backdrop { background: #edf2f7b8; backdrop-filter: blur(1px); }
#checkout-content { display: flex; flex-direction: column; height: 100%; max-height: 100dvh; }
.drawer-header { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 26px; border-bottom: 1px solid #dce2e9; flex-shrink: 0; }
.drawer-header .eyebrow { font-size: 10px; letter-spacing: 1.3px; }
.drawer-header h2 { font-family: "Songti SC", STSong, "Noto Serif SC", serif; font-size: 23px; font-weight: 650; letter-spacing: 0; }
.drawer-subtitle { margin-top: 3px; color: #8a94a2; font-size: 12px; }
.drawer-header .icon-button { width: 32px; height: 32px; padding: 7px; border-color: #e1e6ed; background: #fff; }
.checkout-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; padding: 12px 26px; margin: 0; list-style: none; border-bottom: 1px solid #e4e8ee; flex-shrink: 0; }
.checkout-steps li { display: flex; align-items: center; gap: 6px; min-width: 0; color: #9ba6b4; font-size: 11px; }
.checkout-steps li span { display: grid; place-items: center; flex-shrink: 0; width: 18px; height: 18px; border-radius: 50%; background: #e9edf3; color: #92a2b6; font-size: 10px; }
.checkout-steps li.active { color: #5b83b2; }
.checkout-steps li.active span { background: #ddeafa; color: #5888c2; }
.checkout-steps li[aria-current] span { color: #fff; background: #659ce1; }
.drawer-body { flex: 1; min-height: 0; padding: 16px 26px 20px; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; }
.selected-plan { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 0 16px; overflow: hidden; border: 1px solid #d7dfe7; border-radius: 16px; background: #fff; box-shadow: 0 3px 10px #2e435508; }
.selected-summary { min-width: 0; padding: 13px 0 13px 17px; }
.selected-summary > span, .selected-price > span, .selected-price > label { display: block; color: #939da9; font-size: 11px; font-weight: 400; }
.selected-plan h3 { margin-top: 4px; font-size: 15px; line-height: 1.6; font-weight: 600; }
.selected-price { padding: 12px 17px 12px 0; text-align: right; white-space: nowrap; }
.selected-price > strong { display: block; margin-top: 3px; color: #bd7857; font-size: 25px; font-weight: 650; letter-spacing: -.7px; }
.selected-price small { display: block; color: #8d99a9; font-size: 11px; font-weight: 400; }
.selected-plan-foot { grid-column: 1 / -1; padding: 6px 17px; border-top: 1px solid #dce4ec; background: #eef2f6; color: #8a97a7; font-size: 11px; line-height: 1.7; }
.recharge-notice { display: flex; align-items: flex-start; gap: 9px; padding: 10px 12px; margin-top: 10px; border: 1px solid #dfcf9d; border-radius: 12px; color: #8e713d; background: #fffbee; }
.recharge-notice > .icon { width: 31px; height: 31px; padding: 6px; color: #fff; background: #9a7337; border-radius: 8px; }
.recharge-notice h3 { display: inline; margin-right: 6px; font-size: 13px; font-weight: 600; }
.recharge-notice p { display: inline; color: #8e7f60; font-size: 12px; line-height: 1.8; }
.recharge-notice .notice-service-status { display: block; margin-top: 3px; }
.inline-warning { display: flex; align-items: flex-start; gap: 9px; padding: 12px 14px; margin-top: 14px; border: 1px solid #e8dabb; border-radius: 9px; background: #fffbef; color: #9a8054; font-size: 12px; line-height: 1.8; }
.inline-warning svg { width: 17px; height: 17px; margin-top: 2px; }
.inline-warning strong { display: block; margin-bottom: 2px; font-size: 12px; }
.session-section { margin-top: 14px; }
.drawer-section-heading { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.drawer-section-heading h3 { font-size: 15px; font-weight: 600; }
.section-counter { color: #8aa2bf; font-size: 11px; font-weight: 600; }
.local-label { margin-left: auto; color: #8999ac; font-size: 12px; font-weight: 400; }
.session-help { padding: 9px 12px; margin-bottom: 10px; border: 1px solid #cdddea; border-radius: 10px; background: #eef5fc; }
.session-help > p > .icon { width: 16px; height: 16px; margin-right: 5px; color: #627e9d; }
.session-help a { color: #416d9a; text-decoration: underline; text-underline-offset: 3px; }
.session-help a svg { width: 11px; height: 11px; }
.session-help > p { color: #657e99; font-size: 13px; line-height: 1.7; }
.credential-warning { margin: 10px 0 0; color: #697b8f; }
.credential-warning > svg { width: 16px; height: 16px; margin-top: 3px; }
.credential-warning p { font-size: 12px; line-height: 1.7; }
.credential-warning strong { font-weight: 600; }
.credential-warning a { display: inline; margin-left: 5px; color: #517ca9; text-decoration: underline; text-underline-offset: 3px; }
.field-label { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 6px; font-size: 13px; font-weight: 600; }
.field-label span { color: #8b9aab; font-size: 12px; font-weight: 400; }
textarea { width: 100%; resize: vertical; min-height: 115px; max-height: 300px; padding: 12px; border: 1px solid #cfd9e4; border-radius: 8px; background: #fff; color: #3d556f; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; line-height: 1.8; }
textarea::placeholder { color: #9da9b8; font-size: 12px; }
textarea:focus { border-color: #78a5d8; outline: 2px solid #dbe9fa; outline-offset: 0; }
textarea[aria-invalid="true"] { border-color: #c58f7a; }
.session-input-bottom { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-top: 4px; color: #8999ad; font-size: 12px; line-height: 1.7; }
.session-input-bottom .text-button { flex-shrink: 0; font-size: 12px; }
.session-feedback { margin-top: 9px; font-size: 12px; line-height: 1.8; }
.session-feedback.valid { color: #4f846c; }
.session-feedback.invalid { color: #b06c51; }
.recognized-email { display: flex; align-items: center; gap: 10px; padding: 10px 12px; margin-top: 11px; border: 1px solid #d4e3ed; border-radius: 8px; background: #edf5fc; }
.recognized-email svg { width: 18px; height: 18px; color: #7f9cb8; }
.recognized-email > div { min-width: 0; }
.recognized-email span { display: block; color: #8098b2; font-size: 12px; }
.recognized-email strong { font-size: 13px; font-weight: 550; overflow-wrap: anywhere; }
.check-row { display: flex; align-items: flex-start; gap: 9px; margin-top: 8px; color: #697d95; font-size: 12px; line-height: 1.7; }
.check-row input { width: 16px; height: 16px; margin: 4px 0 0; flex-shrink: 0; accent-color: #6196d9; cursor: pointer; }
.check-row a { color: #4f7cad; text-decoration: underline; text-underline-offset: 3px; }
.payment-method-section { margin-top: 14px; }
.payment-method-section h3 { margin-bottom: 9px; font-size: 14px; font-weight: 600; }
.payment-method-card { display: flex; align-items: center; gap: 12px; padding: 12px 13px; border: 1px solid #a6bdd7; border-radius: 10px; background: #eaf3fd; }
.payment-method-card > .icon, .payment-method-card > .alipay-mini, .payment-alipay-icon { display: grid; place-items: center; flex-shrink: 0; width: 40px; height: 40px; padding: 8px; border-radius: 9px; color: #fff; background: #6389ec; font-size: 23px; font-weight: 650; }
.required-mark { color: #b76559; font-weight: 400; }
.payment-method-copy { min-width: 0; }
.payment-method-copy strong { display: block; font-size: 14px; font-weight: 600; }
.payment-method-copy span, .payment-method-copy p { display: block; margin-top: 2px; color: #8396ae; font-size: 12px; }
.selected-check { display: grid; place-items: center; width: 18px; height: 18px; margin-left: auto; color: #5e87c3; flex-shrink: 0; }
.payment-method-section > p { margin-top: 7px; color: #8e9caf; font-size: 12px; line-height: 1.8; }
.drawer-footer { flex-shrink: 0; padding: 15px 26px max(15px, env(safe-area-inset-bottom)); border-top: 1px solid #dce3eb; background: #fff; box-shadow: 0 -5px 20px #23395105; }
.total-line { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 10px; color: #8b9bb0; font-size: 12px; }
.total-line strong { color: #b97758; font-size: 19px; font-weight: 650; }
.drawer-footer > .button { min-height: 44px; font-size: 14px; }
.footer-explanation { margin-top: 8px; text-align: center; color: #929fb0; font-size: 12px; line-height: 1.7; }
.checkout-error { padding: 12px 14px; margin-top: 18px; border: 1px solid #ead0c3; border-radius: 8px; background: #fff3ed; color: #a76a4f; font-size: 13px; line-height: 1.9; }
.payment-panel { margin-top: 22px; }
.payment-panel > .drawer-section-heading > .alipay-mini { margin-left: auto; }
.payment-panel > p { margin-top: 10px; color: #7e94af; font-size: 13px; line-height: 1.9; }
.payment-panel > .button { margin-top: 12px; font-size: 13px; }
.payment-panel .payment-link { width: 100%; }
.qr-wrapper { display: flex; flex-direction: column; align-items: center; gap: 12px; margin: 22px auto; color: #647d99; font-size: 13px; }
.qr-wrapper img { display: block; width: 224px; height: 224px; padding: 12px; border: 1px solid #dce3eb; border-radius: 10px; background: #fff; }
.small-note { color: #8d9eb4 !important; font-size: 12px !important; }
.paid-notice { padding: 12px 14px; margin-top: 17px; border: 1px solid #d4e5dc; border-radius: 9px; background: #f1f8f4; color: #60826d; font-size: 13px; line-height: 1.9; }
.fulfillment-note { display: flex; gap: 11px; padding: 17px; margin: 21px 0; border-radius: 10px; background: #edf3fa; }
.fulfillment-note h3 { font-size: 14px; font-weight: 600; }
.fulfillment-note p { margin-top: 7px; color: #7a90ab; font-size: 13px; line-height: 1.9; }
.fulfillment-note svg { width: 18px; color: #7e9ab9; margin-top: 2px; }
.fulfillment-note .text-link { margin-top: 10px; font-size: 13px; }
.fulfillment-note .text-link svg { width: 13px; height: 13px; }
.compact { padding: 16px; }
.compact .order-summary-title { gap: 8px; }
.compact .order-id { font-size: 11px; }
.compact dl { gap: 10px; }
.compact dl > div, .compact .order-message, .compact .status-pill { font-size: 12px; }
.compact .status-pill .icon { width: 12px; height: 12px; }
#toast { position: fixed; bottom: 24px; left: 50%; z-index: 90; max-width: min(560px, calc(100% - 32px)); padding: 13px 21px; border-radius: 10px; color: #f3f7fc; background: #293f5af5; box-shadow: 0 8px 24px #233b5b22; font-size: 13px; text-align: center; opacity: 0; pointer-events: none; transform: translate(-50%, 15px); transition: transform .2s, opacity .2s; }
#toast.visible { opacity: 1; transform: translate(-50%, 0); }
.noscript { max-width: 700px; padding: 30px; margin: auto; }

/* Keep three catalog columns through tablet landscape; stack on narrow screens. */
@media (min-width: 1600px) {
  .hero-layout { min-height: 214px; }
  .hero-description { font-size: 15px; }
  .catalog-section { padding-block: 34px; }
  .plan-content { padding: 19px 23px 15px; }
  .plan-description, .plan-note, .plan-checkline { font-size: 13px; }
  .plan-card h3 { font-size: 22px; }
  .plan-button { font-size: 14px; min-height: 40px; padding-inline: 17px; }
  .price-value strong { font-size: 30px; }
  .steps-layout { grid-template-columns: .7fr 1.6fr; }
  .steps-list li { padding: 22px; }
  .article-section p, .article-section li { font-size: 16px; }
}
@media (max-width: 1100px) {
  .header-inner { gap: 15px; }
  .desktop-nav { gap: 20px; font-size: 12px; }
  .brand-name { font-size: 21px; }
  .brand-mark { width: 36px; height: 36px; }
  .brand-subtitle { font-size: 8px; letter-spacing: .8px; }
  .order-link { font-size: 12px; padding: 7px 10px; }
  .hero-layout { min-height: 200px; gap: 25px; }
  .hero h1 { font-size: 39px; }
  .hero-description { font-size: 13px; }
  .hero-guide-link { padding-left: 14px; font-size: 12px; }
  .plans-grid { gap: 13px; }
  .plan-content { padding: 13px 15px 12px; }
  .plan-card h3 { font-size: 17px; line-height: 1.4; }
  .plan-note { display: none; }
  .plan-purchase-row { gap: 8px; }
  .price-value strong { font-size: 23px; }
  .price-unit { font-size: 9px; }
  .plan-button { padding-inline: 10px; min-height: 36px; font-size: 12px; gap: 4px; }
  .plan-button svg { width: 12px; }
  .steps-layout { grid-template-columns: 1fr; gap: 25px; }
  .steps-intro h2 br, .steps-intro p br { display: none; }
  .steps-intro h2 { font-size: 29px; }
  .steps-list li { min-height: 145px; }
  .guide-card { padding: 21px; }
  .guide-card h3 { font-size: 16px; }
  .faq-section { gap: 35px; }
  .article-layout { gap: 32px; grid-template-columns: minmax(0, 1fr) 220px; }
  .article h1 { font-size: 31px; }
  .toc { padding: 18px; }
}
@media (max-width: 820px) {
  .shell { width: calc(100% - 40px); }
  .desktop-nav { gap: 14px; }
  .header-inner { height: 70px; gap: 12px; }
  .desktop-nav > a { height: 70px; }
  .brand-subtitle { max-width: 130px; }
  .hero h1 { font-size: 36px; }
  .hero-guide-link { max-width: 160px; line-height: 1.8; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { grid-row: 1; }
  .toc { position: static; padding: 16px 20px; }
  .toc nav { display: flex; flex-wrap: wrap; gap: 4px 20px; margin: 8px 0 0; }
  .toc nav a { padding-block: 4px; font-size: 12px; }
  .toc .button, .toc > p { display: none; }
  .footer-top nav { gap: 17px; }
}
@media (max-width: 700px) {
  .shell { width: calc(100% - 32px); }
  .support-inner { min-height: 40px; gap: 8px; }
  .support-message { gap: 7px; font-size: 11px; }
  .support-badge { padding: 3px 6px; font-size: 11px; }
  .support-contact { padding: 4px 7px; font-size: 11px; }
  .support-message > span:not(.support-badge) { display: none; }
  .header-inner { height: 68px; gap: 10px; }
  .brand { gap: 8px; }
  .brand-mark { width: 36px; height: 36px; }
  .brand-name { font-size: 23px; }
  .brand-subtitle { font-size: 8px; }
  .desktop-nav { display: none; }
  .header-actions { gap: 8px; }
  .order-link { font-size: 12px; padding: 6px 9px; }
  .order-link .icon { width: 15px; height: 15px; }
  .menu-toggle { display: grid; width: 32px; height: 32px; padding: 6px; }
  .hero-layout { display: block; min-height: 0; padding: 27px 0 25px; }
  .hero-copy { padding: 0; }
  .hero-copy > .eyebrow { font-size: 9px; letter-spacing: 1.3px; gap: 7px; margin-bottom: 12px; }
  .hero-copy > .eyebrow::before { width: 21px; }
  .hero h1 { font-size: clamp(32px, 8.7vw, 42px); letter-spacing: -.6px; margin-bottom: 12px; }
  .hero-description { font-size: 13px; line-height: 1.9; }
  .hero-guide-link { max-width: none; margin-top: 18px; padding: 2px 0 2px 12px; font-size: 12px; }
  .catalog-section { padding: 24px 0; }
  .catalog-heading { margin-bottom: 15px; gap: 12px; }
  .catalog-heading .eyebrow { font-size: 10px; letter-spacing: 1.4px; }
  .catalog-count { font-size: 11px; }
  .plans-grid { grid-template-columns: 1fr; gap: 16px; }
  .plan-card { border-radius: 15px; }
  .plan-thumbnail { height: 142px; }
  .original-gpt-symbol { width: 195px; max-width: 65%; bottom: -38%; }
  .thumbnail-label { top: 17px; left: 18px; }
  .plan-content { padding: 17px 19px 14px; }
  .plan-card h3 { font-size: 21px; }
  .plan-description, .plan-note, .plan-checkline { font-size: 13px; }
  .plan-note { display: block; min-height: 0; }
  .plan-purchase-row { flex-wrap: nowrap; gap: 14px; margin-top: 14px; }
  .plan-price { display: block; width: auto; }
  .price-caption, .price-unit { font-size: 11px; text-align: left; }
  .price-value strong { font-size: 28px; }
  .price-value strong.pending-price { font-size: 24px; }
  .plan-button { width: auto; min-height: 40px; padding: 9px 15px; font-size: 13px; }
  .plan-detail { font-size: 12px; }
  .service-notice { padding: 13px; align-items: flex-start; gap: 10px; }
  .service-notice p, .service-notice strong { font-size: 12px; }
  .service-notice > a { display: none; }
  .notice-icon { width: 28px; height: 28px; }
  .price-footnote { font-size: 11px; text-align: left; }
  .resume-banner { display: block; padding: 14px; font-size: 12px; }
  .resume-banner .text-button { margin-top: 10px; }
  .section { padding-block: 42px; }
  .section-heading { display: block; margin-bottom: 22px; }
  .section-heading h2 { font-size: 26px; }
  .section-heading p { font-size: 13px; }
  .section-heading > .text-link { margin-top: 15px; font-size: 13px; }
  .steps-section { padding-block: 37px; }
  .steps-layout { gap: 24px; }
  .steps-intro h2 { font-size: 28px; }
  .steps-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px; }
  .steps-list li { min-height: 150px; padding: 18px 15px; gap: 16px 8px; }
  .steps-list h3 { font-size: 14px; }
  .steps-list p { font-size: 12px; }
  .guides-grid { grid-template-columns: 1fr; gap: 14px; }
  .guide-card { padding: 22px; }
  .guide-card h3 { font-size: 18px; }
  .guide-card p { font-size: 13px; }
  .guide-card-meta { margin-bottom: 17px; }
  .guide-more { align-items: flex-start; justify-content: flex-start; font-size: 12px; line-height: 1.8; }
  .guide-more svg { flex-shrink: 0; margin-top: 3px; }
  .faq-section { display: block; padding-top: 38px; }
  .faq-intro h2 { font-size: 26px; }
  .faq-intro p { font-size: 13px; }
  .faq-list { margin-top: 25px; }
  .faq-list summary { padding: 18px 0; font-size: 14px; }
  .faq-list details p { font-size: 13px; padding-right: 15px; }
  .closing-section { display: block; margin-bottom: 40px; padding: 24px; }
  .closing-section h2 { font-size: 24px; }
  .closing-section > .button { margin-top: 20px; }
  .closing-spark { font-size: 170px; top: 25px; right: -45px; }
  .site-footer { padding-top: 28px; }
  .footer-top { display: block; padding-bottom: 24px; }
  .footer-top nav { margin-top: 21px; gap: 16px 22px; }
  .footer-bottom { display: block; font-size: 11px; }
  .footer-bottom p + p { margin-top: 7px; }
  .content-main { padding-top: 22px; padding-bottom: 42px; }
  .breadcrumb { font-size: 12px; margin-bottom: 27px; gap: 8px; }
  .page-heading h1 { font-size: 30px; }
  .page-heading p { font-size: 14px; }
  .page-heading p br { display: none; }
  .all-guides .guide-card { min-height: 0; }
  .article-note { padding: 16px; gap: 10px; font-size: 13px; }
  .article-layout { gap: 26px; }
  .article-header { padding-bottom: 23px; margin-bottom: 26px; }
  .article h1 { font-size: 28px; line-height: 1.5; letter-spacing: -.5px; }
  .article-lead { font-size: 14px; }
  .article-meta { gap: 10px 16px; font-size: 12px; }
  .article-section h2 { font-size: 21px; }
  .article-section p, .article-section li { font-size: 14px; line-height: 2; }
  .toc { padding: 15px 17px; }
  .toc nav { gap: 3px 14px; }
  .toc nav a { font-size: 12px; }
  .next-guide { padding: 18px; gap: 16px; }
  .next-guide strong { font-size: 14px; line-height: 1.8; }
  .next-guide svg { width: 19px; height: 19px; flex-shrink: 0; }
  .order-page-card { padding: 16px; border-radius: 13px; }
  .order-summary { padding: 17px; border-radius: 10px; }
  .order-summary-title { gap: 10px; }
  .order-summary dl > div { font-size: 13px; gap: 15px; }
  .order-actions { gap: 10px; }
  .order-actions .button { padding-inline: 13px; font-size: 13px; }
  .empty-order { padding: 35px 18px; }
  .empty-order h2 { font-size: 22px; }
  .empty-order p { font-size: 13px; }
  .support-panel { padding: 19px; }
  .drawer-header { padding: 19px 18px 15px; }
  .drawer-header h2 { font-size: 23px; }
  .drawer-body { padding: 18px 18px 24px; scrollbar-gutter: auto; }
  .checkout-steps { padding: 11px 18px; gap: 5px; }
  .checkout-steps li { gap: 5px; font-size: 11px; }
  .drawer-footer { padding: 13px 18px max(13px, env(safe-area-inset-bottom)); }
  .selected-plan { gap: 0 10px; border-radius: 13px; }
  .selected-summary { padding: 14px 0 14px 14px; }
  .selected-plan h3 { font-size: 14px; }
  .selected-price { padding: 14px 14px 14px 0; }
  .selected-price > strong { font-size: 23px; }
  .selected-plan-foot { padding-inline: 14px; }
  .recharge-notice { border-radius: 11px; padding: 12px; gap: 9px; }
  .recharge-notice > .icon { width: 28px; height: 28px; }
  textarea { font-size: 13px; min-height: 115px; }
  .check-row { font-size: 12px; }
  .drawer-footer > .button { min-height: 44px; font-size: 14px; }
  .footer-explanation { font-size: 12px; }
}
@media (max-width: 360px) {
  .brand-name { font-size: 21px; }
  .brand-subtitle { font-size: 7px; }
  .order-link { padding-inline: 7px; font-size: 11px; }
  .plan-content { padding-inline: 16px; }
  .plan-button { padding-inline: 12px; }
  .drawer-header, .drawer-body, .drawer-footer { padding-inline: 14px; }
  .checkout-steps { padding-inline: 14px; }
  .checkout-steps li { font-size: 10px; }
  .session-help summary > span { font-size: 11px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}