/* Localized pages (index / pricing / courses / skills) generated by
 * build/build.mjs. Palette and type follow the original ops theme. */
@font-face { font-family: 'Geist Sans'; src: url('fonts/geist-sans.woff2') format('woff2'); font-weight: 100 900; font-display: swap; }
@font-face { font-family: 'Geist Mono'; src: url('fonts/geist-mono.woff2') format('woff2'); font-weight: 100 900; font-display: swap; }

:root {
  --ink: #17211d;
  --ink-2: #26342f;
  --cream: #f4eee2;
  --paper: #fbf8f1;
  --orange: #c04a17;        /* button fill — white text 5.0:1 */
  --orange-hover: #a63f12;
  --orange-text: #a8441a;   /* small orange text on light — 5.2:1 */
  --orange-soft: #f2b18f;
  --green: #90bd87;
  --muted: #6f6a60;
  --muted-dark: rgba(244, 238, 226, .64);
  --line: #ded5c4;
  --line-dark: rgba(244, 238, 226, .14);
  --radius: 14px;
  --font-cjk: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
  --font-sans: 'Geist Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', var(--font-cjk);
  --font-mono: 'Geist Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}
:lang(zh-TW) { --font-cjk: 'PingFang TC', 'Noto Sans TC', 'Microsoft JhengHei', sans-serif; }
:lang(ja) { --font-cjk: 'Hiragino Sans', 'Hiragino Kaku Gothic ProN', 'Noto Sans JP', 'Yu Gothic', Meiryo, sans-serif; }
:lang(ko) { --font-cjk: 'Apple SD Gothic Neo', 'Noto Sans KR', 'Malgun Gothic', sans-serif; }

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
/* Anchored sections clear the sticky header (two rows on phones). */
section[id] { scroll-margin-top: 80px; }
@media (max-width: 900px) { section[id] { scroll-margin-top: 124px; } }
body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
:lang(ko) body, :lang(ko) h1, :lang(ko) h2, :lang(ko) h3 { word-break: keep-all; }
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { margin: 0; line-height: 1.2; letter-spacing: -.01em; text-wrap: balance; }
/* Headlines break at punctuation and spaces rather than mid-word; overflow-wrap
 * still breaks a phrase that cannot fit at all. */
h1 { word-break: keep-all; overflow-wrap: anywhere; }
p { margin: 0; }
code { font-family: var(--font-mono); font-size: .86em; }
.shell { width: min(1180px, 100% - 32px); margin-inline: auto; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 16px; top: 12px; z-index: 100; background: var(--ink); color: var(--cream); padding: 8px 12px; border-radius: 8px; }
:focus-visible { outline: 2px solid var(--orange); outline-offset: 3px; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 48px; padding: 0 24px; border-radius: 999px; border: 1px solid transparent;
  font: inherit; font-weight: 600; font-size: 15px; text-decoration: none; cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.btn-sm { min-height: 40px; padding: 0 18px; font-size: 14px; }
.btn-block { width: 100%; }
.btn-accent { background: var(--orange); color: #fff; }
.btn-accent:hover { background: var(--orange-hover); }
.btn-dark { background: var(--ink); color: var(--cream); }
.btn-dark:hover { background: var(--orange); }
.btn-ghost { border-color: rgba(244,238,226,.32); color: var(--cream); background: transparent; }
.btn-ghost:hover { border-color: var(--orange-soft); color: var(--orange-soft); }
.text-link { color: var(--orange-text); font-weight: 600; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.muted { color: var(--muted); }
.cta-short { display: none; }

/* header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--cream) 92%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; gap: 28px; min-height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; min-height: 40px; font-weight: 700; font-size: 17px; text-decoration: none; }
.brand img { border-radius: 7px; }
.nav-links { display: flex; gap: 4px; margin-right: auto; }
.nav-link { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border-radius: 999px; font-size: 14.5px; text-decoration: none; color: var(--ink-2); }
.nav-link:hover { background: rgba(23,33,29,.06); }
.nav-link.is-active { background: var(--ink); color: var(--cream); }
.header-actions { display: flex; align-items: center; gap: 10px; }
.lang-menu { position: relative; }
.lang-menu summary {
  list-style: none; display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
  min-height: 40px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line); font-size: 14px;
}
.lang-menu summary::-webkit-details-marker { display: none; }
.lang-pop {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 150px; padding: 6px;
  background: var(--paper); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 12px 32px rgba(23,33,29,.12); display: grid;
}
.lang-pop a { padding: 11px 12px; border-radius: 8px; text-decoration: none; font-size: 14px; }
.lang-pop a:hover { background: var(--cream); }
.lang-pop a[aria-current] { color: var(--orange-text); font-weight: 600; }

/* hero */
.hero {
  position: relative; color: var(--cream); overflow: hidden;
  background:
    radial-gradient(circle at 86% 12%, rgba(216,90,36,.16), transparent 30%),
    linear-gradient(115deg, #17211d 0%, #18241f 58%, #111a17 100%);
}
.hero::before {
  content: ''; position: absolute; inset: 0; opacity: .28; pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(to bottom, black, transparent 85%);
}
.hero-inner {
  position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  gap: clamp(32px, 5vw, 72px); align-items: center; padding: clamp(56px, 8vw, 104px) 0 48px;
}
.kicker { display: inline-flex; align-items: center; gap: 10px; margin-bottom: 22px; color: var(--muted-dark); font-family: var(--font-mono); font-size: 12px; letter-spacing: .08em; text-transform: uppercase; }
.live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 5px rgba(144,189,135,.12); }
.hero h1 { font-size: clamp(34px, 4.2vw, 52px); /* ≤52px: 「将您的 Amazon 店铺，」 fits the left column */ font-weight: 700; line-height: 1.12; }
.phrase { display: inline-block; }
.hero-sub { margin-top: 22px; max-width: 34em; color: rgba(244,238,226,.78); font-size: clamp(16px, 1.4vw, 18px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-actions.center { justify-content: center; }
.trust-badge { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 6px 10px; min-height: 40px; margin-top: 20px; padding: 6px 16px 6px 12px; border: 1px solid var(--line-dark); border-radius: 14px; color: rgba(244,238,226,.86); font-size: 13.5px; text-decoration: none; }
.trust-badge svg { color: var(--green); flex-shrink: 0; }
.trust-verify { color: var(--orange-soft); }
.trust-badge:hover { border-color: var(--orange-soft); }

.chat-window {
  background: #0f1714; border: 1px solid var(--line-dark); border-radius: 18px;
  box-shadow: 0 30px 80px rgba(0,0,0,.35); overflow: hidden; font-size: 14px;
}
.chat-bar { display: flex; align-items: center; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--line-dark); }
.chat-bar span { width: 10px; height: 10px; border-radius: 50%; background: rgba(244,238,226,.18); }
.chat-bar b { margin-left: 10px; font-family: var(--font-mono); font-size: 12px; font-weight: 500; color: var(--muted-dark); }
.chat-body { display: grid; gap: 14px; padding: 20px; }
.msg { border-radius: 14px; padding: 12px 14px; }
.msg-user { justify-self: end; max-width: 88%; background: var(--orange); color: #fff; border-bottom-right-radius: 4px; }
.msg-ai { background: rgba(244,238,226,.06); border: 1px solid var(--line-dark); }
.tool-calls { display: grid; gap: 6px; }
.tool-call { display: flex; justify-content: space-between; align-items: center; padding: 7px 12px; border-radius: 9px; background: rgba(144,189,135,.08); color: #c8dcc3; }
.tool-call code { font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tool-call .ok { color: var(--green); }
.mini-table { list-style: none; margin: 12px 0 0; padding: 0; border-top: 1px solid var(--line-dark); }
.mini-table li { display: grid; grid-template-columns: 1.3fr 1fr auto; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--line-dark); font-size: 13px; }
.mini-table span { color: var(--muted-dark); }
.mini-table b { color: var(--orange-soft); font-family: var(--font-mono); }
.confirm-card { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; padding: 12px 14px; border-radius: 12px; background: rgba(244,238,226,.08); }
.confirm-card div { display: grid; }
.confirm-card strong { font-size: 13.5px; }
.confirm-card div span { font-size: 12px; color: var(--muted-dark); }
.confirm-btn { flex-shrink: 0; padding: 7px 14px; border-radius: 999px; background: var(--cream); color: var(--ink); font-weight: 600; font-size: 13px; }
.confirm-btn { transition: transform .15s, background .2s, color .2s; }
.confirm-btn.is-pressed { transform: scale(.94); background: #fff; }
.confirm-btn.is-done { background: rgba(144,189,135,.18); color: #c8dcc3; }
.chat-bar em { margin-left: auto; padding: 2px 9px; border-radius: 999px; background: rgba(244,238,226,.08); color: var(--muted-dark); font-family: var(--font-mono); font-size: 11.5px; font-style: normal; }
.kpis { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; margin-top: 12px; }
.kpis > div { display: grid; gap: 2px; padding: 10px 12px; border-radius: 10px; background: rgba(244,238,226,.06); }
.kpis span { color: var(--muted-dark); font-size: 12px; }
.kpis b { font-family: var(--font-mono); font-size: 16px; }
.kpis em { color: var(--orange-soft); font-family: var(--font-mono); font-size: 12px; font-style: normal; }
/* Animated demo (assets/apac.js): fixed-height window that scrolls with the
   conversation. Without JS the body grows to fit the static turn. */
.chat-window.is-animated .chat-body { display: block; height: 500px; overflow: hidden; }
.chat-stream { display: grid; gap: 14px; transition: transform .45s ease-out; }
.chat-body.is-fading { opacity: 0; transition: opacity .45s; }
.chat-in { animation: chat-in .35s ease-out both; }
@keyframes chat-in { from { opacity: 0; transform: translateY(8px); } }
.tool-call:not(.is-done) .ok { width: 14px; height: 14px; border: 2px solid rgba(200,220,195,.25); border-top-color: var(--green); border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.clients { position: relative; display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; padding: 22px 0 34px; border-top: 1px solid var(--line-dark); }
.clients-label { font-family: var(--font-mono); font-size: 12px; color: var(--muted-dark); letter-spacing: .06em; text-transform: uppercase; }
.clients { flex-wrap: nowrap; }
.clients-label { flex-shrink: 0; }
/* Infinite logo marquee: two identical tracks slide left by one track width. */
.marquee { flex: 1; min-width: 0; display: flex; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.marquee-track { display: flex; flex-shrink: 0; gap: 12px; padding: 0 12px 0 0; margin: 0; list-style: none; animation: marquee 36s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-track li { display: inline-flex; align-items: center; gap: 10px; flex-shrink: 0; padding: 8px 18px 8px 10px; border: 1px solid var(--line-dark); border-radius: 999px; font-weight: 600; font-size: 14.5px; white-space: nowrap; color: rgba(244,238,226,.9); }
.marquee-track img { width: 28px; height: 28px; border-radius: 8px; object-fit: contain; background: #fff; padding: 2px; }
@keyframes marquee { to { transform: translateX(-100%); } }
@media (prefers-reduced-motion: reduce) {
  .marquee { mask-image: none; }
  .marquee-track { animation: none; flex-wrap: wrap; flex-shrink: 1; }
  .marquee-track[aria-hidden] { display: none; }
}

/* stats */
.stats { background: var(--paper); border-bottom: 1px solid var(--line); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stats-grid div { display: grid; gap: 2px; padding: 28px 20px; border-left: 1px solid var(--line); }
.stats-grid div:first-child { border-left: 0; padding-left: 0; }
.stats-grid b { font-size: clamp(28px, 3vw, 38px); font-weight: 700; letter-spacing: -.02em; }
.stats-grid span { color: var(--muted); font-size: 14px; }

/* sections */
.section { padding: clamp(64px, 8vw, 104px) 0; }
.section-tight { padding-top: 32px; }
.section-paper { background: var(--paper); border-block: 1px solid var(--line); }
.section-dark { background: var(--ink); color: var(--cream); }
.eyebrow { margin-bottom: 12px; color: var(--orange-text); font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .08em; text-transform: uppercase; }
.section-head { max-width: 760px; margin-bottom: 40px; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 42px); }
.section-head p:not(.eyebrow) { margin-top: 14px; color: var(--muted); font-size: 17px; }
.section-dark .section-head p:not(.eyebrow) { color: var(--muted-dark); }
.section-dark .eyebrow { color: var(--orange-soft); }

.scenario-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.scenario { display: grid; align-content: start; gap: 12px; padding: 26px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.scenario-num { font-family: var(--font-mono); font-size: 12px; color: var(--muted); }
.scenario h3 { font-size: 20px; }
.scenario .prompt { padding: 10px 14px; border-left: 3px solid var(--orange); background: var(--cream); border-radius: 0 10px 10px 0; font-size: 14.5px; color: var(--ink-2); }
.scenario p:last-child { color: var(--muted); font-size: 14.5px; }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; list-style: none; margin: 0; padding: 0; }
.steps li { display: grid; align-content: start; gap: 10px; padding: 26px; background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius); }
.step-num { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--ink); color: var(--cream); font-family: var(--font-mono); font-size: 14px; }
.steps h3 { font-size: 19px; }
.steps p { color: var(--muted); font-size: 15px; }
.endpoint { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 24px; padding: 14px 16px; background: var(--ink); color: var(--cream); border-radius: var(--radius); }
.endpoint span { font-size: 13px; color: var(--muted-dark); }
.endpoint code { flex: 1; min-width: 0; font-size: 15px; overflow-wrap: anywhere; }
.copy-btn { min-height: 40px; border: 1px solid var(--line-dark); background: transparent; color: var(--cream); border-radius: 999px; padding: 0 18px; font: inherit; font-size: 14px; cursor: pointer; }
.copy-btn:hover { border-color: var(--orange-soft); color: var(--orange-soft); }

.safety-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); border-radius: var(--radius); overflow: hidden; }
.safety-grid div { display: grid; align-content: start; gap: 10px; padding: 26px; background: var(--ink); }
.safety-grid h3 { font-size: 18px; }
.safety-grid p { color: var(--muted-dark); font-size: 14.5px; }
.section-dark .text-link { display: inline-flex; align-items: center; min-height: 44px; margin-top: 18px; color: var(--orange-soft); }

.learn-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.learn-card { display: grid; align-content: start; gap: 14px; padding: 32px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; transition: border-color .15s, transform .15s; }
.learn-card:hover { border-color: var(--orange); transform: translateY(-2px); }
.learn-card h2 { font-size: clamp(24px, 2.6vw, 30px); }
.learn-card p:not(.eyebrow) { color: var(--muted); }
.learn-card .eyebrow { margin: 0; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.tag-list li { padding: 4px 12px; border-radius: 999px; background: var(--cream); font-size: 13.5px; }
.course-mini { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.course-mini li { display: flex; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.course-mini span { flex-shrink: 0; min-width: 4.5em; font-family: var(--font-mono); font-size: 13px; color: var(--orange-text); padding-top: 2px; }

.module-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.module { display: grid; align-content: start; gap: 8px; padding: 24px; background: var(--paper); }
.module h3 { font-size: 17px; }
.module p { color: var(--muted); font-size: 14.5px; }

.faq-wrap { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.6fr); gap: 40px; }
.faq-wrap > h2 { font-size: clamp(26px, 3vw, 36px); }
.faq details { border-bottom: 1px solid var(--line); }
.faq details:first-child { border-top: 1px solid var(--line); }
.faq summary { list-style: none; display: flex; justify-content: space-between; gap: 16px; padding: 18px 0; font-weight: 600; font-size: 16.5px; cursor: pointer; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; color: var(--orange-text); font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: '−'; }
.faq details p { padding: 0 0 20px; color: var(--muted); }

.closing { background: var(--ink); color: var(--cream); padding: clamp(64px, 8vw, 96px) 0; text-align: center; }
.closing h2 { font-size: clamp(28px, 3.6vw, 44px); }
.closing p { margin-top: 14px; color: var(--muted-dark); }
.closing .hero-actions { justify-content: center; }

/* inner pages */
.page-hero { padding: clamp(56px, 7vw, 88px) 0 24px; }
.page-hero h1 { font-size: clamp(34px, 4.6vw, 56px); }
.page-sub { margin-top: 16px; max-width: 46em; color: var(--muted); font-size: 17px; }

.qr-dialog { max-width: 360px; padding: 28px; border: 0; border-radius: 18px; text-align: center; background: var(--paper); color: var(--ink); }
.qr-dialog::backdrop { background: rgba(23,33,29,.5); }
.qr-dialog h2 { font-size: 20px; }
.qr-dialog p { margin-top: 10px; font-size: 14.5px; }
.qr-dialog .wechat-id { margin: 16px 0 6px; font-family: var(--font-mono); font-size: 26px; font-weight: 600; letter-spacing: .02em; }
.qr-dialog .btn { margin-top: 14px; }
.dialog-close { position: absolute; right: 14px; top: 10px; border: 0; background: none; font-size: 24px; cursor: pointer; color: var(--muted); }

.domain-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.domain { display: grid; align-content: start; gap: 12px; padding: 24px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.domain header { display: flex; justify-content: space-between; align-items: baseline; }
.domain h3 { font-size: 19px; }
.domain .count { font-family: var(--font-mono); font-size: 24px; font-weight: 600; color: var(--orange-text); }
.domain p { color: var(--muted); font-size: 14.5px; }
.domain ul { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; margin: 0; padding: 0; }
.domain li { padding: 3px 10px; border-radius: 999px; background: var(--cream); font-size: 13px; }

/* security page */
.hero-compact .sec-hero { position: relative; padding: clamp(56px, 7vw, 88px) 0 clamp(40px, 5vw, 64px); }
.sec-hero h1 { max-width: 18em; font-size: clamp(32px, 4vw, 50px); font-weight: 700; line-height: 1.18; }
.sec-hero .hero-sub { max-width: 46em; }
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 36px; }
.pillar { display: grid; gap: 6px; padding: 20px 22px; border: 1px solid var(--line-dark); border-radius: var(--radius); background: rgba(244,238,226,.04); text-decoration: none; transition: border-color .15s; }
.pillar:hover { border-color: var(--orange-soft); }
.pillar-num { font-family: var(--font-mono); font-size: 12px; color: var(--orange-soft); }
.pillar b { font-size: 17px; }
.pillar span:last-child { color: var(--muted-dark); font-size: 14px; }

.assoc-layout { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 56px); align-items: start; }
.reason-list { display: grid; gap: 22px; list-style: none; margin: 0; padding: 0; }
.reason-list li { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 16px; }
.reason-list h3 { font-size: 18px; margin-bottom: 6px; }
.reason-list p { color: var(--muted); font-size: 15px; }

.lanes { margin: 0; padding: 24px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); display: grid; gap: 10px; justify-items: center; }
.lane { display: grid; grid-template-columns: 1fr auto 1.4fr; align-items: center; gap: 10px; width: 100%; }
.lane-node { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 44px; padding: 8px 14px; border-radius: 10px; font-size: 14px; font-weight: 600; text-align: center; }
.lane-store { background: var(--cream); border: 1px solid var(--line); }
.lane-token { background: #fff7f1; border: 1px dashed var(--orange-text); color: var(--orange-text); }
.lane-server { width: 100%; background: var(--ink); color: var(--cream); }
.lane-api { width: 100%; background: var(--paper); border: 2px solid var(--ink); }
.lane-arrow { width: 22px; height: 2px; background: var(--line); position: relative; }
.lane-arrow::after { content: ''; position: absolute; right: -1px; top: -4px; border: 5px solid transparent; border-left-color: var(--line); border-right: 0; }
.lane-merge { width: 2px; height: 16px; background: var(--line); }
.lane-arrow-down { width: 2px; height: 18px; }
.lane-arrow-down::after { right: -4px; top: auto; bottom: -2px; border: 5px solid transparent; border-top-color: var(--line); border-bottom: 0; }
.lanes figcaption { margin-top: 6px; color: var(--muted); font-size: 13.5px; text-align: center; }

.auth-guide { margin-top: 40px; padding: 26px 28px; background: var(--ink); color: var(--cream); border-radius: var(--radius); }
.auth-guide h3 { font-size: 19px; margin-bottom: 16px; }
.auth-guide ol { counter-reset: auth; list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.auth-guide li { counter-increment: auth; position: relative; padding-left: 40px; color: rgba(244,238,226,.86); font-size: 15px; }
.auth-guide li::before { content: counter(auth); position: absolute; left: 0; top: 0; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--orange); color: #fff; font-family: var(--font-mono); font-size: 13px; }
.auth-caution { display: flex; align-items: flex-start; gap: 8px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line-dark); color: var(--orange-soft); font-weight: 600; font-size: 15px; }
.auth-caution svg { flex-shrink: 0; margin-top: 3px; }
.compare-wrap { margin-top: 48px; }
.compare-title { font-size: 20px; margin-bottom: 14px; }
.compare { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--paper); }
.compare-row { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr) minmax(0, 1.2fr); }
.compare-row > span { padding: 14px 18px; border-top: 1px solid var(--line); font-size: 15px; }
.compare-head > span { border-top: 0; background: var(--cream); font-weight: 600; font-size: 14px; }
.compare-row [role="rowheader"] { font-weight: 600; }
.compare-other { color: var(--muted); }
.compare-ours { background: #f3f7f1; font-weight: 500; }
.compare-head .compare-ours, .compare-head > span:last-child { background: var(--ink); color: var(--cream); }
.note { margin-top: 28px; padding: 20px 22px; border-left: 3px solid var(--orange-text); background: var(--paper); border-radius: 0; }
.note b { display: block; margin-bottom: 6px; }
.note p { color: var(--muted); font-size: 15px; }

.enc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); border-radius: var(--radius); overflow: hidden; }
.enc-item { display: grid; align-content: start; gap: 10px; padding: 26px; background: var(--ink); }
.enc-item code { justify-self: start; padding: 3px 10px; border-radius: 999px; background: rgba(144,189,135,.12); color: #c8dcc3; font-size: 12.5px; }
.enc-item h3 { font-size: 18px; }
.enc-item p { color: var(--muted-dark); font-size: 14.5px; }

.perm-table { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--paper); }
.perm-row { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, .7fr) minmax(0, 2.4fr); }
.perm-row > span { display: flex; align-items: center; padding: 16px 18px; border-top: 1px solid var(--line); font-size: 15px; }
.perm-head > span { border-top: 0; background: var(--cream); font-weight: 600; font-size: 14px; }
.perm-row > span:last-child { color: var(--muted); }
.perm-head > span:last-child { color: var(--ink); }
.state { display: inline-flex; padding: 3px 10px; border-radius: 999px; font-size: 13px; font-weight: 600; }
.state-on { background: #e6f0e3; color: #2f5a28; }
.state-off { background: var(--cream); color: var(--muted); border: 1px solid var(--line); }
.perm-points { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 18px; }
.perm-point { display: grid; align-content: start; gap: 8px; padding: 22px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.perm-point h3 { font-size: 17px; }
.perm-point p { color: var(--muted); font-size: 14.5px; }
.perm-soon { background: transparent; border-style: dashed; }
.soon-badge { justify-self: start; padding: 2px 10px; border-radius: 999px; background: var(--ink); color: var(--cream); font-size: 12.5px; font-weight: 600; }

.commit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 48px); }
.commit-col { display: grid; gap: 16px; align-content: start; }
.commit-item { padding: 20px 22px; background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius); }
.commit-item h3, .commit-list h3 { font-size: 17px; margin-bottom: 6px; }
.commit-item p { color: var(--muted); font-size: 14.5px; }
.commit-item a { color: var(--orange-text); }
.commit-list { padding: 20px 22px; background: var(--cream); border: 1px solid var(--line); border-radius: var(--radius); }
.ticks, .crosses { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 8px; }
.ticks li, .crosses li { position: relative; padding-left: 26px; font-size: 15px; }
.ticks li::before { content: '✓'; position: absolute; left: 0; color: #2f5a28; font-weight: 700; }
.crosses li::before { content: '×'; position: absolute; left: 2px; color: var(--orange-text); font-weight: 700; }
.faq details p a { color: var(--orange-text); }

/* contact page */
.contact-layout { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.contact-card { padding: clamp(24px, 3vw, 36px); background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.contact-card h2 { font-size: 24px; }
.contact-card > .muted { margin-top: 6px; }
.honeypot { position: absolute; left: -9999px; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
.field { display: grid; gap: 6px; font-size: 14px; font-weight: 600; }
.field-full { grid-column: 1 / -1; }
.field input, .field select, .field textarea { width: 100%; min-height: 46px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); font: inherit; font-weight: 400; font-size: 15px; }
.field textarea { resize: vertical; line-height: 1.6; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid var(--orange); outline-offset: 0; border-color: transparent; }
.form-note { margin-top: 16px; color: var(--muted); font-size: 13.5px; }
.form-note a { color: var(--orange-text); }
.form-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; margin-top: 20px; }
.form-actions .btn:disabled { opacity: .6; cursor: progress; }
.form-status { font-size: 14.5px; color: #2f5a28; }
.form-status.is-error { color: #a32d2d; }
.contact-aside { display: grid; gap: 20px; padding: clamp(24px, 3vw, 32px); background: var(--ink); color: var(--cream); border-radius: var(--radius); }
.contact-aside h2 { font-size: 20px; }
.channel { display: grid; gap: 4px; padding-top: 18px; border-top: 1px solid var(--line-dark); }
.channel-label { color: var(--muted-dark); font-size: 13px; }
.channel-value { font-family: var(--font-mono); font-size: 16px; color: var(--cream); text-decoration: none; }
a.channel-value:hover { color: var(--orange-soft); }
.channel p { color: var(--muted-dark); font-size: 14px; }
.contact-aside .text-link { display: inline-flex; align-items: center; min-height: 40px; color: var(--orange-soft); }

/* course detail pages */

.crumb { display: flex; width: fit-content; align-items: center; min-height: 40px; margin-bottom: 8px; color: var(--muted-dark); font-size: 14px; text-decoration: none; }
.crumb:hover { color: var(--orange-soft); }

.contact-aside .copy-btn { justify-self: start; margin-top: 6px; }

/* footer */
.site-footer { background: var(--paper); border-top: 1px solid var(--line); padding: 40px 0 28px; font-size: 14px; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; }
.footer-brand p { margin-top: 8px; color: var(--muted); }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 20px; max-width: 560px; }
.footer-links a { color: var(--muted); text-decoration: none; }
.footer-links a:hover { color: var(--orange-text); }
.footer-base { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.footer-base a { color: inherit; }

@media (max-width: 1080px) {
  .safety-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .contact-layout { grid-template-columns: 1fr; }

  .pillars, .assoc-layout, .commit-grid { grid-template-columns: 1fr; }
  .enc-grid { grid-template-columns: repeat(2, 1fr); }
  .perm-points { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; }
  .scenario-grid, .module-grid, .domain-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: 1fr; }
  .learn-grid, .faq-wrap { grid-template-columns: 1fr; }
  .header-inner { flex-wrap: wrap; justify-content: space-between; gap: 0 16px; min-height: 0; padding-top: 10px; }
  .nav-links { order: 3; width: 100%; margin: 0; padding: 8px 0 10px; overflow-x: auto; scrollbar-width: none; }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-link { flex-shrink: 0; }

}
@media (max-width: 640px) {
  /* Phones: small enough that each half of the headline keeps to one line. */
  .hero h1 { font-size: clamp(26px, 8.2vw, 34px); }
  .clients { flex-wrap: wrap; }
  .chat-window.is-animated .chat-body { height: 440px; }
  .kpis { grid-template-columns: 1fr 1fr 1fr; gap: 6px; }
  .kpis > div { padding: 8px; }

  /* Phones: a fixed price + enroll bar on course detail pages. */

  .marquee { flex-basis: 100%; }
  .field-grid { grid-template-columns: 1fr; }
  .enc-grid, .perm-points { grid-template-columns: 1fr; }
  .compare-row { grid-template-columns: 1fr; }
  .compare-row > span + span { border-top: 0; padding-top: 4px; }
  .compare-head { display: none; }
  .compare-row [data-label]::before { content: attr(data-label); display: block; margin-bottom: 2px; color: var(--muted); font-size: 12px; font-weight: 400; }
  .compare-row [role="rowheader"] { background: var(--cream); }
  .perm-row { grid-template-columns: 1fr auto; }
  .perm-row > span:last-child { grid-column: 1 / -1; border-top: 0; padding-top: 0; }
  .perm-head { display: none; }
  .lane { grid-template-columns: 1fr; justify-items: stretch; }
  .lane .lane-arrow { display: none; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid div { padding: 20px 0; border-left: 0; border-top: 1px solid var(--line); }
  .stats-grid div:nth-child(-n+2) { border-top: 0; }
  .scenario-grid, .module-grid, .domain-grid, .safety-grid { grid-template-columns: 1fr; }

  .header-actions { gap: 8px; }
  .header-actions .btn { padding: 0 14px; font-size: 13px; }
  .cta-long { display: none; }
  .cta-short { display: inline; }
  .lang-menu summary span { display: none; }
  .mini-table li { grid-template-columns: 1fr auto; }
  .mini-table li span { display: none; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }

/* ---- Courses (2026-10-16 redesign): /courses list + detail pages ---- */
.cc-top { padding: 64px 0 28px; }
.cc-top h1, .cd h1 { font-size: clamp(34px, 4.6vw, 56px); line-height: 1.1; letter-spacing: -.02em; }
.cc-feat { display: grid; grid-template-columns: 1.4fr 1fr; border-radius: 24px; overflow: hidden; background: var(--ink); color: var(--cream); text-decoration: none; }
.cc-feat-copy { padding: 44px; display: flex; flex-direction: column; gap: 16px; align-items: flex-start; }
.cc-badge { font-size: 13px; color: var(--orange-soft); font-weight: 600; letter-spacing: .02em; }
.cc-feat h2 { font-size: clamp(26px, 3.2vw, 38px); line-height: 1.22; word-break: keep-all; }
.cc-feat ul { list-style: none; padding: 0; margin: 0 0 8px; display: flex; flex-wrap: wrap; gap: 8px; }
.cc-feat li { font-size: 13.5px; border: 1px solid var(--line-dark); border-radius: 999px; padding: 5px 12px; color: rgba(244,238,226,.85); }
.cc-feat:hover .btn { background: var(--orange-hover); }
.cc-feat-pic { position: relative; min-height: 320px; }
.cc-feat-pic img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center 20%; }
.cc-feat-pic span { position: absolute; left: 16px; bottom: 16px; background: rgba(23,33,29,.78); backdrop-filter: blur(6px); border-radius: 12px; padding: 10px 14px; font-size: 12.5px; line-height: 1.5; color: rgba(244,238,226,.85); }
.cc-feat-pic b { display: block; color: var(--cream); font-size: 14px; }
.cc-group { padding-top: 48px; }
.cc-label { font-size: 15px; color: var(--muted); font-weight: 600; margin-bottom: 14px; }
.cc-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cc-card { display: flex; flex-direction: column; gap: 10px; padding: 28px; border: 1px solid var(--line); border-radius: 16px; background: #fff; color: inherit; text-decoration: none; transition: border-color .15s, transform .15s; }
.cc-card:hover { border-color: var(--ink); transform: translateY(-2px); }
.cc-kind { font-size: 13px; color: var(--muted); }
.cc-card h3 { font-size: 24px; line-height: 1.25; letter-spacing: -.01em; word-break: keep-all; }
.cc-card p { font-size: 16px; color: var(--ink-2); }
.cc-cta { margin-top: auto; padding-top: 16px; font-size: 15px; font-weight: 600; color: var(--orange-text); }
.cc-weekly { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 48px 0 72px; color: var(--muted); font-size: 15px; }
.cc-weekly-btn { border: 0; background: none; padding: 0; font: inherit; font-weight: 600; color: var(--ink); cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }

.cd { display: grid; grid-template-columns: 1fr 340px; grid-template-areas: "head buy" "body buy"; gap: 0 56px; align-items: start; padding: 56px 0 72px; }
.cd-head { grid-area: head; }
.cd-body { grid-area: body; }
.cd-back { font-size: 14px; color: var(--muted); text-decoration: none; }
.cd h1 { margin-top: 18px; word-break: keep-all; }
.cd-sub { margin-top: 14px; font-size: 19px; color: var(--muted); }
.cd-who { display: flex; align-items: center; gap: 14px; margin-top: 28px; }
.cd-who img { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; }
.cd-who b { display: block; font-size: 16px; }
.cd-who span { font-size: 14px; color: var(--muted); }
.cd-buy { grid-area: buy; position: sticky; top: 96px; border: 1px solid var(--line); border-radius: 16px; background: #fff; padding: 24px; display: grid; gap: 14px; }
.cd-price { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 8px; }
.cd-price b { font-size: 24px; }
.cd-price-lg b { font-size: 32px; }
.cd-price s { color: var(--muted); font-size: 14px; }
.cd-price em { font-style: normal; font-size: 12.5px; color: var(--orange-text); background: rgba(192,74,23,.08); border-radius: 999px; padding: 2px 8px; }
.cd-tier { display: grid; gap: 2px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.cd-tier span { font-size: 13.5px; color: var(--muted); }
.cd-buy dl { margin: 0; display: grid; gap: 8px; font-size: 14.5px; }
.cd-buy dl div { display: flex; justify-content: space-between; gap: 12px; }
.cd-buy dt { color: var(--muted); flex-shrink: 0; }
.cd-buy dd { margin: 0; text-align: right; }
.cd-perk { font-size: 13.5px; color: var(--ink-2); background: var(--paper); border-radius: 10px; padding: 10px 12px; }
.cd-buy small { color: var(--muted); font-size: 13px; text-align: center; }
.cd-body h2 { font-size: 22px; margin: 56px 0 18px; }
.cd-rows { display: grid; border-top: 1px solid var(--line); }
.cd-rows div { display: grid; grid-template-columns: 220px 1fr; gap: 20px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 16px; }
.cd-rows span { color: var(--muted); }
.cd-faq details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.cd-faq summary { cursor: pointer; font-weight: 600; font-size: 16px; }
.cd-faq p { margin-top: 8px; color: var(--muted); font-size: 15px; }
.cd-body .fine-print { margin-top: 6px; font-size: 13px; line-height: 1.6; color: var(--muted); }
.cd-body .fine-print:first-of-type { margin-top: 48px; }

@media (max-width: 900px) {
  .cc-feat { grid-template-columns: 1fr; }
  .cc-feat-copy { padding: 28px; }
  .cc-feat-pic { min-height: 260px; order: -1; }
  .cc-grid { grid-template-columns: 1fr; }
  .cc-weekly { flex-direction: column; align-items: flex-start; }
  .cd { grid-template-columns: 1fr; grid-template-areas: "head" "buy" "body"; gap: 28px; padding-top: 40px; }
  .cd-buy { position: static; }
  .cd-rows div { grid-template-columns: 1fr; gap: 4px; }
}

/* pricing page */
.plan-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.plan-per s { color: var(--muted); }
.price-row s { margin-left: 6px; font-size: 13px; }
.plan-card { display: grid; align-content: start; gap: 10px; padding: 24px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.plan-card.is-best { border-color: var(--orange); box-shadow: 0 0 0 1px var(--orange) inset; }
.plan-card header { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.plan-card h3 { font-size: 19px; }
.plan-badge { padding: 2px 10px; border-radius: 999px; background: var(--orange); color: #fff; font-size: 12px; font-weight: 600; }
.plan-badge-soft { background: rgba(192,74,23,.1); color: var(--orange-text); }
.plan-price { display: flex; align-items: baseline; gap: 6px; }
.plan-price b { font-size: 36px; line-height: 1.1; }
.plan-price span, .plan-per { color: var(--muted); font-size: 14px; }
.plan-ways { display: grid; gap: 8px; margin: 6px 0 0; padding: 14px 0 0; border-top: 1px solid var(--line); list-style: none; font-size: 14px; }
.plan-cta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 18px; margin-top: 28px; }
.plan-cta .muted { font-size: 14px; }
.benefit-cols { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; }
.benefit-cols h3 { margin: 0 0 6px; font-size: 18px; }
.benefit-cols h3 + .ticks, .benefit-cols h3 + .plain-list { margin-bottom: 26px; }
.plain-list { display: grid; gap: 10px; margin: 8px 0 0; padding-left: 20px; font-size: 15px; }
.plain-list .text-link { margin-left: 2px; }
.price-table { display: grid; border-top: 1px solid var(--line); }
.price-row { display: grid; grid-template-columns: 1.1fr .8fr .8fr 2fr; gap: 16px; padding: 16px 4px; border-bottom: 1px solid var(--line); font-size: 15px; }
.price-head { color: var(--muted); font-size: 13px; font-family: var(--font-mono); letter-spacing: .04em; }
.price-row [role="rowheader"] { font-weight: 600; }
.rule-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); counter-reset: rule; }
.rule-list li { display: grid; grid-template-columns: 160px 1fr; gap: 20px; padding: 18px 4px; border-bottom: 1px solid var(--line); }
.rule-list b { font-size: 16px; }
.rule-list span { color: var(--ink-2); }

/* policy and help pages */
.doc-head h1 { font-size: clamp(32px, 4.2vw, 50px); }
.doc-date { margin-top: 16px; color: var(--muted); font-family: var(--font-mono); font-size: 13px; }
.doc > * { max-width: 820px; }
.doc-toc { margin-bottom: 8px; padding: 18px 22px; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.doc .doc-toc ol { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px 24px; margin: 0; padding: 0; list-style: none; font-size: 14.5px; }
.doc-toc a { color: var(--ink-2); text-decoration: none; }
.doc-toc a:hover { color: var(--orange-text); }
.doc section { padding: 30px 0 4px; border-bottom: 1px solid var(--line); }
.doc section:last-child { border-bottom: 0; }
.doc h2 { margin-bottom: 14px; font-size: 22px; }
.doc p, .doc li { color: var(--ink-2); font-size: 15.5px; line-height: 1.8; }
.doc p + p, .doc p + ol, .doc p + ul, .doc ol + p, .doc ul + p { margin-top: 10px; }
.doc ul, .doc ol { margin: 0; padding-left: 22px; }
.doc li + li { margin-top: 6px; }
.doc a { color: var(--orange-text); }
.doc .muted { color: var(--muted); font-size: 14px; }
.doc-en { margin-top: 40px; padding-top: 36px !important; border-top: 2px solid var(--line); }
.doc-en section { padding: 22px 0 4px; }
.doc-en h2 { font-size: 19px; }

.footer-support { margin-top: 22px; color: var(--muted); font-size: 13.5px; }
.footer-support a { color: var(--orange-text); }

@media (max-width: 900px) {
  .plan-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .benefit-cols { grid-template-columns: 1fr; gap: 8px; }
  .price-head { display: none; }
  .price-row { grid-template-columns: 1fr 1fr; gap: 4px 16px; }
  .price-row [role="rowheader"] { grid-column: 1 / -1; }
  .price-row [role="cell"]::before { content: attr(data-label) '：'; color: var(--muted); }
  .price-row [role="cell"]:last-child { grid-column: 1 / -1; }
  .rule-list li { grid-template-columns: 1fr; gap: 4px; }
  .doc .doc-toc ol { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .plan-grid { grid-template-columns: 1fr; }
}