:root {
  --paper: #f4f0e6;
  --paper-light: #fffdf7;
  --paper-depth: #e9e3d6;
  --ink: #10223f;
  --ink-soft: #4d5a6d;
  --blue: #1558d6;
  --blue-deep: #0b3286;
  --yellow: #f3bf25;
  --yellow-text: #ffe08a;
  --on-blue-soft: rgba(255, 253, 247, 0.85);
  --line: rgba(16, 34, 63, 0.22);
  --line-light: rgba(255, 253, 247, 0.24);
  --white: #fffdf7;
  --max: 1240px;
  --header: 72px;
  --shadow: 0 20px 70px rgba(13, 39, 89, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.28;
  pointer-events: none;
  background-image: radial-gradient(rgba(16, 34, 63, 0.11) 0.55px, transparent 0.55px);
  background-size: 5px 5px;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
button, input, textarea, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }
h1, h2, h3, p { margin-top: 0; }
.sr-only {
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  position: absolute;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--header);
  background: rgba(244, 240, 230, 0.95);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(18px);
}
.nav-shell {
  width: min(var(--max), calc(100% - 40px));
  min-height: var(--header);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 244px 1fr auto;
  align-items: center;
  gap: 28px;
}
.brand { min-height: 52px; display: flex; align-items: center; font-weight: 900; letter-spacing: 0.04em; }
.brand-mark {
  width: 226px;
  height: 51px;
  display: block;
  flex: 0 0 auto;
  overflow: hidden;
  color: transparent;
  background: url("tianqi-logo.svg") left center / contain no-repeat;
  font-size: 0;
}
.site-header .brand > span:last-child { display: none; }
.brand small { display: block; color: var(--ink-soft); font-size: 10px; font-weight: 650; letter-spacing: 0.14em; }
.main-nav { display: flex; justify-content: center; gap: 2px; }
.main-nav a { min-height: 44px; padding: 9px 12px; display: flex; align-items: center; border-bottom: 2px solid transparent; font-size: 14px; font-weight: 700; white-space: nowrap; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--blue); border-bottom-color: var(--blue); }
.menu-toggle { min-height: 44px; display: none; padding: 8px 0 8px 16px; border: 0; color: var(--ink); background: transparent; font-weight: 800; }
.nav-cta, .button {
  min-height: 44px;
  padding: 11px 18px;
  border: 1px solid var(--blue);
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  background: var(--blue);
  font-weight: 800;
  line-height: 1.25;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}
.nav-cta:hover, .button:hover { transform: translateY(-2px); background: var(--blue-deep); }
.nav-cta:active, .button:active { transform: translateY(1px); }
.nav-cta:disabled, .button:disabled { cursor: wait; opacity: 0.68; transform: none; }
.button.secondary { color: var(--ink); background: transparent; border-color: var(--ink); }
.button.secondary:hover { color: var(--white); background: var(--ink); }

/* Large Chinese headlines use authored semantic lines instead of browser-made wraps. */
.display-lines > span { display: block; }

.hero { min-height: calc(100dvh - var(--header)); overflow: hidden; border-bottom: 1px solid var(--line); }
.hero-shell {
  width: min(1440px, 100%);
  min-height: calc(100dvh - var(--header));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 47%) minmax(0, 53%);
}
.hero-copy {
  padding: clamp(52px, 6vw, 92px) clamp(30px, 5.7vw, 88px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  z-index: 2;
}
.hero-copy::after { content: ""; position: absolute; right: -84px; top: 50%; width: 168px; height: 1px; background: var(--yellow); }
.hero h1 {
  max-width: none;
  margin-bottom: 28px;
  font-family: "Songti SC", "STSong", serif;
  font-size: clamp(48px, 4.8vw, 68px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.hero-lead { max-width: 32em; margin-bottom: 34px; color: var(--ink-soft); font-size: clamp(17px, 1.5vw, 20px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-art { min-height: 620px; overflow: hidden; background: var(--paper-depth); }
.hero-art img { width: 100%; height: 100%; object-fit: cover; object-position: 62% center; }

.route-rail { color: var(--white); background: var(--ink); border-bottom: 4px solid var(--yellow); }
.route-rail-inner { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: repeat(5, 1fr); }
.route-step { min-height: 100px; padding: 22px 20px; border-right: 1px solid var(--line-light); transition: background 180ms ease; }
.route-step:first-child { border-left: 1px solid var(--line-light); }
.route-step:hover { background: rgba(255, 253, 247, 0.08); }
.route-step b { display: block; margin-bottom: 7px; color: var(--yellow); font-size: 13px; }
.route-step span { color: rgba(255, 253, 247, 0.75); font-size: 13px; }

.identity-strip { border-bottom: 1px solid var(--line); }
.identity-strip-inner { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); }
.identity-strip-inner > div { min-height: 118px; padding: 28px 30px; border-right: 1px solid var(--line); }
.identity-strip-inner > div:first-child { border-left: 1px solid var(--line); }
.identity-strip strong { display: block; margin-bottom: 3px; font-family: "Songti SC", "STSong", serif; font-size: 30px; line-height: 1.2; }
.identity-strip span { color: var(--ink-soft); font-size: 13px; }

.section { padding: clamp(78px, 9vw, 128px) 0; border-bottom: 1px solid var(--line); }
.section.blue { color: var(--white); background: var(--blue); }
.section.ink { color: var(--white); background: var(--ink); }
.section-shell { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section-title { max-width: 850px; margin-bottom: 54px; }
.section-title h2, .scenario-intro h2, .split-copy h2, .cta-inner h2 {
  margin-bottom: 20px;
  font-family: "Songti SC", "STSong", serif;
  font-size: clamp(38px, 4.6vw, 64px);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.04em;
}
.section-title p { max-width: 62ch; margin: 0; color: var(--ink-soft); font-size: 17px; }
.section.blue .section-title p { color: var(--on-blue-soft); }
.section.ink .section-title p { color: rgba(255, 253, 247, 0.82); }

.category-grid { display: grid; grid-template-columns: repeat(12, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.category-item {
  min-height: 220px;
  padding: 28px;
  display: flex;
  flex-direction: column;
  position: relative;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  transition: color 180ms ease, background 180ms ease;
}
.category-item.featured { grid-column: span 6; min-height: 250px; }
.category-item:not(.featured) { grid-column: span 3; }
.category-item strong { max-width: 260px; font-family: "Songti SC", "STSong", serif; font-size: 29px; line-height: 1.15; }
.category-item.featured strong { font-size: 35px; }
.category-item p { max-width: 28ch; margin: 13px 0 28px; color: var(--ink-soft); font-size: 14px; }
.category-item > span { margin-top: auto; color: var(--blue); font-size: 13px; font-weight: 800; }
.category-item:hover { color: var(--white); background: var(--blue); }
.category-item:hover p { color: var(--on-blue-soft); }
.category-item:hover > span { color: var(--yellow-text); }

.scenario-layout { display: grid; grid-template-columns: 5fr 7fr; gap: clamp(48px, 7vw, 100px); align-items: start; }
.scenario-intro { position: sticky; top: 112px; }
.scenario-intro h2 { max-width: 10em; }
.scenario-intro .scenario-title { max-width: none; font-size: clamp(40px, 3.4vw, 48px); line-height: 1.1; }
.scenario-intro p { max-width: 34em; color: var(--on-blue-soft); }
.text-link { font-weight: 850; text-decoration: underline; text-underline-offset: 6px; }
.text-link.light { min-height: 44px; margin-top: 12px; display: inline-flex; align-items: center; color: var(--yellow-text); }
.scenario-list { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line-light); border-left: 1px solid var(--line-light); }
.scenario { min-height: 214px; padding: 30px; border-right: 1px solid var(--line-light); border-bottom: 1px solid var(--line-light); }
.scenario.wide { grid-column: 1 / -1; min-height: 176px; }
.scenario h3 { margin: 0 0 18px; font-family: "Songti SC", "STSong", serif; font-size: 29px; line-height: 1.2; }
.scenario p { max-width: 27ch; margin: 0; color: var(--on-blue-soft); font-size: 14px; }

.split-feature { display: grid; grid-template-columns: 1fr 1fr; min-height: 610px; border: 1px solid var(--line); }
.split-image { min-height: 480px; overflow: hidden; background: var(--paper-depth); }
.split-image img { width: 100%; height: 100%; object-fit: cover; }
.split-copy { padding: clamp(40px, 6.5vw, 82px); display: flex; flex-direction: column; justify-content: center; background: var(--paper-light); }
.split-copy .split-title { font-size: clamp(40px, 3.5vw, 48px); line-height: 1.1; }
.split-copy > p { color: var(--ink-soft); }
.question-list { list-style: none; padding: 0; margin: 24px 0 32px; border-top: 1px solid var(--line); counter-reset: question; }
.question-list li { padding: 15px 0; display: grid; grid-template-columns: 68px 1fr; gap: 18px; border-bottom: 1px solid var(--line); }
.question-list span { color: var(--blue); font-size: 13px; font-weight: 850; }
.split-copy .button { align-self: flex-start; }

.proof-grid { display: grid; grid-template-columns: 1.18fr 0.82fr; gap: 1px; border: 1px solid var(--line); background: var(--line); }
.proof-panel { padding: clamp(34px, 5vw, 64px); background: var(--paper); }
.proof-panel.blue-panel { color: var(--white); background: var(--blue); }
.proof-panel h3 { margin-bottom: 18px; font-family: "Songti SC", "STSong", serif; font-size: clamp(30px, 3.5vw, 46px); line-height: 1.15; }
.proof-row { padding: 18px 0; display: grid; grid-template-columns: 145px 1fr; gap: 20px; border-top: 1px solid var(--line); }
.proof-row:last-child { border-bottom: 1px solid var(--line); }
.proof-row b { color: var(--blue); }
.proof-row p { margin: 0; color: var(--ink-soft); }
.big-year { margin: 38px 0 18px; color: var(--yellow); font-family: "Songti SC", "STSong", serif; font-size: clamp(78px, 10vw, 126px); line-height: 0.82; letter-spacing: -0.04em; }
.blue-panel > p { max-width: 35ch; color: var(--on-blue-soft); }

.knowledge-layout { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 20px; }
.featured-article { min-height: 430px; padding: clamp(34px, 5vw, 62px); display: flex; flex-direction: column; color: var(--white); background: var(--blue); }
.featured-article > span { color: var(--yellow-text); font-size: 13px; font-weight: 850; }
.featured-article h3 { max-width: 14em; margin: 70px 0 18px; font-family: "Songti SC", "STSong", serif; font-size: clamp(32px, 3.7vw, 50px); line-height: 1.15; }
.featured-article .feature-title { max-width: none; font-size: clamp(32px, 3.4vw, 46px); line-height: 1.14; }
.featured-article p { max-width: 44ch; color: var(--on-blue-soft); }
.featured-article strong { margin-top: auto; text-decoration: underline; text-underline-offset: 7px; }
.topic-board { border-top: 4px solid var(--ink); }
.topic-board h3 { padding: 24px 0 18px; font-size: 19px; }
.topic-board a { padding: 20px 0; display: grid; grid-template-columns: 92px 1fr; gap: 18px; border-top: 1px solid var(--line); }
.topic-board a:last-child { border-bottom: 1px solid var(--line); }
.topic-board span { color: var(--blue); font-size: 13px; font-weight: 850; }
.topic-board b { line-height: 1.45; }

.page-hero { padding: clamp(68px, 7vw, 96px) 0 clamp(56px, 6vw, 74px); border-bottom: 1px solid var(--line); }
.page-hero + .section { padding-top: clamp(72px, 7vw, 98px); }
.page-hero-shell { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.page-hero h1 { max-width: 900px; margin: 0 0 24px; font-family: "Songti SC", "STSong", serif; font-size: clamp(50px, 6.6vw, 88px); font-weight: 800; line-height: 1.04; letter-spacing: -0.04em; }
.page-hero p { max-width: 62ch; margin: 0; color: var(--ink-soft); font-size: 18px; }
.breadcrumb { margin-bottom: 24px; color: var(--blue); font-size: 13px; font-weight: 800; }
.breadcrumb a { text-decoration: underline; text-underline-offset: 4px; }

.catalog { display: grid; grid-template-columns: 300px 1fr; gap: 68px; }
.catalog-aside { position: sticky; top: 110px; align-self: start; }
.catalog-aside h2 { margin-bottom: 18px; font-family: "Songti SC", "STSong", serif; font-size: 38px; line-height: 1.15; }
.catalog-aside p { color: var(--ink-soft); }
.catalog-aside .button { margin-top: 16px; }
.catalog-list { border-top: 4px solid var(--ink); }
.catalog-row { min-height: 180px; padding: 30px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 38px; border-bottom: 1px solid var(--line); }
.catalog-row h2 { margin: 0; font-family: "Songti SC", "STSong", serif; font-size: 37px; line-height: 1.15; }
.catalog-row p { margin: 0; color: var(--ink-soft); }

.process { border-top: 4px solid var(--ink); counter-reset: steps; }
.process-step { min-height: 190px; padding: 32px 0; display: grid; grid-template-columns: 92px 0.75fr 1.25fr; gap: 38px; border-bottom: 1px solid var(--line); counter-increment: steps; }
.process-step::before { content: "0" counter(steps); color: var(--blue); font-family: "Songti SC", "STSong", serif; font-size: 42px; line-height: 1; }
.process-step h2 { margin: 0; font-family: "Songti SC", "STSong", serif; font-size: 34px; line-height: 1.2; }
.process-step p { margin: 0; color: var(--ink-soft); }
.section.ink .process, .section.blue .process { border-top-color: var(--yellow); }
.section.ink .process-step, .section.blue .process-step { border-bottom-color: var(--line-light); }
.section.ink .process-step p, .section.blue .process-step p { color: rgba(255, 253, 247, 0.75); }

.article-list { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 20px; }
.article-main { min-height: 430px; padding: clamp(34px, 5vw, 60px); display: flex; flex-direction: column; color: var(--white); background: var(--blue); }
.article-main .meta { color: var(--yellow-text); font-size: 13px; font-weight: 850; }
.article-main h2 { max-width: 15em; margin: 68px 0 18px; font-family: "Songti SC", "STSong", serif; font-size: clamp(32px, 3.8vw, 50px); line-height: 1.16; }
.article-main .feature-title { max-width: none; font-size: clamp(32px, 3.4vw, 46px); line-height: 1.14; }
.article-main p { max-width: 43ch; color: var(--on-blue-soft); }
.article-main .text-link { margin-top: auto; }
.knowledge-topics { border-top: 4px solid var(--ink); }
.knowledge-topics h2 { margin: 24px 0 12px; font-size: 20px; }
.knowledge-topic { padding: 20px 0; border-top: 1px solid var(--line); }
.knowledge-topic:last-child { border-bottom: 1px solid var(--line); }
.knowledge-topic span { display: block; margin-bottom: 4px; color: var(--blue); font-size: 12px; font-weight: 850; }
.knowledge-topic h3 { margin: 0; font-size: 18px; line-height: 1.45; }
.knowledge-note { max-width: 62ch; margin-top: 34px; color: var(--ink-soft); }

.article-hero { padding: clamp(64px, 7vw, 98px) 0 clamp(52px, 6vw, 74px); border-bottom: 1px solid var(--line); }
.article-hero-inner { width: min(980px, calc(100% - 40px)); margin: 0 auto; }
.article-hero h1 { margin: 0 0 30px; font-family: "Songti SC", "STSong", serif; font-size: clamp(44px, 6.2vw, 78px); line-height: 1.08; letter-spacing: -0.04em; }
.article-hero .article-title-lines { font-size: clamp(44px, 5vw, 68px); line-height: 1.08; }
.article-meta { display: flex; flex-wrap: wrap; gap: 18px 32px; color: var(--ink-soft); font-size: 14px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 730px) 260px; justify-content: center; gap: 80px; }
.prose { font-family: "Songti SC", "STSong", serif; font-size: 18px; line-height: 1.95; }
.prose .lead { color: var(--ink); font-size: 23px; line-height: 1.72; }
.prose h2 { margin: 58px 0 18px; font-family: "Noto Sans SC", "PingFang SC", sans-serif; font-size: 30px; line-height: 1.35; }
.prose blockquote { margin: 42px 0; padding: 28px 30px; border-left: 1px solid var(--yellow); color: var(--ink); background: var(--paper-light); font-size: 21px; }
.inquiry-template { padding: 26px 30px; border: 1px solid var(--line); background: var(--paper-light); }
.article-aside { position: sticky; top: 110px; align-self: start; padding-top: 18px; border-top: 4px solid var(--blue); }
.article-aside h3 { margin-bottom: 8px; font-size: 15px; }
.article-aside p { color: var(--ink-soft); font-size: 14px; }
.article-aside .button { margin-top: 16px; }

.contact-grid { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 1px; border: 1px solid var(--line); background: var(--line); }
.contact-panel { padding: clamp(32px, 5vw, 66px); background: var(--paper); }
.contact-panel.blue-panel { color: var(--white); background: var(--blue); }
.contact-panel h2 { margin-bottom: 18px; font-family: "Songti SC", "STSong", serif; font-size: 40px; line-height: 1.15; }
.contact-panel.blue-panel p { color: var(--on-blue-soft); }
.phone { min-height: 44px; margin: 36px 0; display: flex; align-items: center; color: var(--yellow); font-family: "Songti SC", "STSong", serif; font-size: clamp(37px, 4.5vw, 58px); line-height: 1; }
.contact-steps { margin: 34px 0 0; padding: 24px 0 0; border-top: 1px solid var(--line-light); }
.contact-steps li { margin: 0 0 10px 1.2em; color: var(--on-blue-soft); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { color: var(--ink); font-size: 13px; font-weight: 850; }
.field input, .field textarea, .field select { width: 100%; min-height: 48px; padding: 14px; border: 1px solid rgba(16, 34, 63, 0.36); border-radius: 0; color: var(--ink); background: var(--paper-light); font-size: 16px; }
.field input::placeholder, .field textarea::placeholder { color: var(--ink-soft); opacity: 1; }
.field textarea { min-height: 156px; resize: vertical; }
.hp-field { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }
.consent-field label { display: flex; align-items: flex-start; gap: 9px; font-weight: 500; line-height: 1.6; }
.consent-field input { width: 20px; min-height: 20px; margin-top: 2px; flex: 0 0 auto; }
.consent-field a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.form-note { margin: 16px 0 0; color: var(--ink-soft); font-size: 12px; }
.publish-result { margin-top: 18px; padding: 14px; display: none; color: var(--white); background: var(--blue); }
.publish-result.show { display: block; }
.publish-result p { margin: 0; }
.publish-result[data-state="error"] { background: var(--ink); }
.publish-result-actions { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 10px; }
.publish-result .result-button { color: var(--ink); background: var(--yellow-text); border-color: var(--yellow-text); }
.publish-result .result-button:hover { color: var(--white); background: var(--ink); border-color: var(--ink); }

.admin-body { background: #e9edf4; }
.admin-header { position: sticky; top: 0; z-index: 20; color: var(--white); background: var(--ink); }
.admin-header-inner { width: min(1340px, calc(100% - 40px)); min-height: 64px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.admin-brand { min-height: 44px; display: flex; align-items: center; gap: 12px; font-weight: 850; }
.admin-brand .brand-mark { width: 184px; height: 42px; background-image: url("tianqi-logo-original.svg"); }
.admin-brand small { display: block; color: rgba(255, 253, 247, 0.6); font-size: 11px; font-weight: 600; }
.admin-exit { min-height: 44px; display: inline-flex; align-items: center; color: var(--yellow); font-size: 14px; font-weight: 800; }
.admin-shell { width: min(1340px, calc(100% - 40px)); margin: 28px auto 70px; display: grid; grid-template-columns: 230px minmax(0, 1fr); box-shadow: var(--shadow); }
.admin-nav { min-height: 820px; padding: 28px 22px; color: var(--white); background: var(--ink); }
.admin-nav h2 { margin-bottom: 28px; font-size: 18px; }
.admin-nav a { padding: 12px 0; display: block; color: rgba(255, 253, 247, 0.68); border-bottom: 1px solid rgba(255, 253, 247, 0.13); }
.admin-nav a.active { color: var(--yellow); }
.admin-main { padding: clamp(28px, 4vw, 52px); background: var(--paper-light); }
.admin-top { margin-bottom: 28px; display: flex; justify-content: space-between; align-items: start; gap: 20px; }
.admin-top h1 { margin: 0; font-family: "Songti SC", "STSong", serif; font-size: 46px; line-height: 1.1; }
.admin-status { padding: 6px 10px; color: var(--ink); background: var(--yellow); font-size: 11px; font-weight: 850; }
.admin-note { padding: 16px 18px; border: 1px solid var(--line); background: var(--paper); color: var(--ink-soft); font-size: 13px; }
.admin-columns { margin-top: 28px; display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 28px; }
.admin-panel { padding: 24px; border: 1px solid var(--line); background: var(--white); }
.admin-panel h2 { margin-bottom: 18px; font-size: 18px; }
.admin-panel .field + .field { margin-top: 16px; }
.admin-panel .button { width: 100%; margin-top: 18px; }
.seo-preview { padding: 18px; border: 1px solid var(--line); background: var(--paper); }
.seo-preview strong { display: block; color: var(--blue); font-size: 18px; line-height: 1.4; }
.seo-preview small { color: var(--ink-soft); }
.seo-preview p { margin: 8px 0 0; color: var(--ink-soft); font-size: 13px; }
.release-checks { list-style: none; padding: 0; margin: 16px 0 0; }
.release-checks li { padding: 10px 0; border-top: 1px solid var(--line); font-size: 13px; }

.cta-band { padding: 68px 0; color: var(--white); background: var(--blue); }
.cta-inner { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 42px; }
.cta-inner h2 { max-width: 760px; margin: 0; }
.cta-inner .cta-title { max-width: none; font-size: clamp(38px, 4vw, 56px); line-height: 1.1; }
.cta-inner .button { color: var(--ink); background: var(--yellow); border-color: var(--yellow); }
.cta-inner .button:hover { background: var(--yellow); }

.site-footer { padding: 54px 0 26px; color: rgba(255, 253, 247, 0.75); background: var(--ink); }
.footer-grid { width: min(var(--max), calc(100% - 40px)); margin: 0 auto 44px; display: grid; grid-template-columns: 1.4fr repeat(3, 0.7fr); gap: 48px; }
.footer-grid h3, .footer-grid h4 { color: var(--white); }
.footer-grid a { padding: 4px 0; display: block; font-size: 14px; }
.footer-grid p { max-width: 420px; font-size: 14px; }
.footer-bottom { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; padding-top: 22px; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid rgba(255, 253, 247, 0.14); font-size: 12px; }
.truth-note { color: rgba(255, 253, 247, 0.72); }

@media (max-width: 1080px) {
  .nav-shell { grid-template-columns: 1fr auto; }
  .nav-cta { display: none; }
  .menu-toggle { display: block; }
  .main-nav { display: none; grid-column: 1 / -1; padding-bottom: 18px; flex-direction: column; align-items: stretch; }
  .main-nav.open { display: flex; }
  .main-nav a { min-height: 44px; padding: 10px 0; display: flex; align-items: center; border-bottom: 1px solid var(--line); }
  .hero, .hero-shell { min-height: 0; }
  .hero-shell { grid-template-columns: 1fr; }
  .hero-copy { min-height: 520px; order: 1; }
  .hero-copy::after { display: none; }
  .hero-art { min-height: 500px; order: 2; }
  .route-rail-inner { grid-template-columns: repeat(5, minmax(164px, 1fr)); overflow-x: auto; }
  .category-item.featured, .category-item:not(.featured) { grid-column: span 6; }
  .scenario-layout { grid-template-columns: 1fr; }
  .scenario-intro { position: static; }
  .scenario-intro h2 { max-width: 12em; }
  .split-feature, .proof-grid, .knowledge-layout, .contact-grid { grid-template-columns: 1fr; }
  .article-list { grid-template-columns: 1fr; }
  .catalog { grid-template-columns: 1fr; }
  .catalog-aside, .article-aside { position: static; }
  .article-layout { grid-template-columns: 1fr; gap: 54px; }
  .admin-columns { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 701px) {
  .display-lines > span { white-space: nowrap; }
}

@media (max-width: 700px) {
  :root { --header: 66px; }
  .nav-shell, .section-shell, .page-hero-shell, .article-hero-inner, .identity-strip-inner, .footer-grid, .footer-bottom, .cta-inner, .route-rail-inner { width: min(100% - 28px, var(--max)); }
  .brand { min-height: 46px; font-size: 14px; }
  .site-header .brand-mark { width: 184px; height: 42px; }
  .brand small { display: none; }
  .admin-brand .brand-mark { width: 148px; height: 34px; }
  .admin-brand > span:last-child { display: none; }
  .hero-copy { min-height: 470px; padding: 58px 22px 48px; }
  .hero h1 { font-size: clamp(42px, 12vw, 48px); }
  .hero-art { min-height: 360px; }
  .hero-art img { object-position: 64% center; }
  .route-rail-inner { margin: 0 14px; }
  .route-step { min-height: 92px; padding: 20px 16px; }
  .identity-strip-inner { grid-template-columns: 1fr; }
  .identity-strip-inner > div { min-height: 92px; padding: 20px 18px; border-left: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .identity-strip-inner > div:last-child { border-bottom: 0; }
  .section { padding: 76px 0; }
  .section-title { margin-bottom: 38px; }
  .section-title h2, .scenario-intro h2, .split-copy h2, .cta-inner h2 { font-size: 41px; }
  .scenario-intro .scenario-title, .split-copy .split-title { font-size: 36px; }
  .category-item.featured, .category-item:not(.featured) { grid-column: span 12; min-height: 180px; }
  .category-item.featured strong { font-size: 30px; }
  .scenario-list { grid-template-columns: 1fr; }
  .scenario.wide { grid-column: auto; }
  .scenario { min-height: 170px; padding: 26px; }
  .split-feature { min-height: 0; }
  .split-image { min-height: 320px; }
  .split-copy { padding: 38px 25px; }
  .proof-row { grid-template-columns: 1fr; gap: 4px; }
  .featured-article, .article-main { min-height: 390px; padding: 30px 24px; }
  .featured-article h3, .article-main h2 { margin-top: 52px; }
  .featured-article .feature-title, .article-main .feature-title { font-size: 30px; }
  .topic-board a { grid-template-columns: 1fr; gap: 2px; }
  .page-hero { padding: 68px 0 56px; }
  .page-hero h1 { font-size: 52px; }
  .catalog-row { grid-template-columns: 1fr; gap: 14px; }
  .process-step { grid-template-columns: 56px 1fr; gap: 18px; }
  .process-step p { grid-column: 2; }
  .article-hero h1 { font-size: 43px; }
  .article-hero .article-title-lines { font-size: 36px; }
  .article-layout { gap: 42px; }
  .form-grid { grid-template-columns: 1fr; }
  .field.full { grid-column: auto; }
  .admin-shell { width: calc(100% - 20px); margin: 18px auto 54px; grid-template-columns: 1fr; }
  .admin-nav { min-height: auto; display: none; }
  .admin-main { padding: 24px 18px; }
  .admin-top { display: block; }
  .admin-status { display: inline-block; margin-top: 16px; }
  .cta-inner { grid-template-columns: 1fr; align-items: start; }
  .cta-inner .cta-title { font-size: 36px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-grid a, .footer-grid > div > span { min-height: 44px; padding: 8px 0; display: flex; align-items: center; }
  .breadcrumb a { min-height: 44px; display: inline-flex; align-items: center; }
  .footer-bottom { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}