/* 昌邑门户视觉系统：政务蓝、城市红与潍水意象；移动优先、无外部资源依赖 */
:root {
  --p-blue-600: oklch(0.522 0.177 254.7);
  --p-blue-800: oklch(0.39 0.125 255);
  --p-blue-900: oklch(0.30 0.095 255);
  --p-blue-100: oklch(0.955 0.025 245);
  --p-ink-900: oklch(0.267 0 0);
  --p-ink-600: oklch(0.49 0.014 250);
  --p-paper: oklch(0.993 0.012 109);
  --p-white: oklch(0.995 0.003 109);
  --p-red-700: oklch(0.43 0.145 19);
  --p-amber: oklch(0.78 0.15 85);
  --surface: var(--p-paper);
  --surface-raised: var(--p-white);
  --surface-soft: var(--p-blue-100);
  --ink: var(--p-ink-900);
  --ink-muted: var(--p-ink-600);
  --brand: var(--p-blue-600);
  --brand-deep: var(--p-blue-800);
  --brand-night: var(--p-blue-900);
  --accent: var(--p-red-700);
  --focus: var(--p-amber);
  --on-brand: var(--p-white);
  --on-brand-soft: oklch(0.92 0.022 245);
  --line: oklch(0.86 0.018 245);
  --line-dark: oklch(0.72 0.025 245);
  --content-max: 1320px;
  --reading-max: 72ch;
  --font-scale: 1;
  --shadow-soft: 0 18px 50px oklch(0.25 0.05 250 / .10);
  --shadow-dialog: 0 24px 80px oklch(0.2 0.03 250 / .24);
}
* { box-sizing: border-box; }
html { font-size: calc(16px * var(--font-scale)); scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0; min-width: 320px; min-height: 100dvh; color: var(--ink); background: var(--surface);
  font-family: "Noto Sans CJK SC", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 1rem; line-height: 1.65; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
body.overlay-open { overflow: hidden; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
button, [role="button"], select { cursor: pointer; }
button { color: inherit; }
button:disabled { cursor: not-allowed; opacity: .5; }
ul, ol { margin: 0; padding: 0; list-style: none; }
p, h1, h2, h3, h4 { margin: 0; }
h1, h2, h3, h4 { line-height: 1.28; text-wrap: balance; }
p { text-wrap: pretty; }
::selection { color: var(--on-brand); background: var(--brand); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
[hidden] { display: none !important; }
.skip-link { position: fixed; z-index: 200; left: 12px; top: 8px; padding: 10px 16px; color: var(--on-brand); background: var(--brand-night); transform: translateY(-150%); transition: transform 180ms ease-out; }
.skip-link:focus { transform: translateY(0); }
.container { width: 100%; max-width: var(--content-max); margin-inline: auto; padding-inline: 16px; }
.reading-width { max-width: var(--reading-max); }
.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; }
.icon { width: 1.35em; height: 1.35em; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.icon-lg { width: 1.8em; height: 1.8em; }
.muted { color: var(--ink-muted); }
.meta { color: var(--ink-muted); font-size: .86rem; }
.kicker { color: var(--brand); font-size: .76rem; font-weight: 750; letter-spacing: .18em; text-transform: uppercase; }
.badge { display: inline-flex; align-items: center; min-height: 28px; padding: 2px 9px; color: var(--brand-deep); background: var(--surface-soft); font-size: .78rem; font-weight: 700; }
.badge-red { color: var(--accent); background: oklch(0.95 0.025 20); }
.text-link { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; color: var(--brand); font-weight: 700; text-underline-offset: 4px; }
.text-link:hover { text-decoration: underline; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 10px 18px; border: 1px solid var(--brand); border-radius: 3px; color: var(--on-brand); background: var(--brand); font-weight: 700; transition: background-color 180ms ease-out, color 180ms ease-out, transform 180ms ease-out; }
.button:hover { background: var(--brand-deep); }
.button:active { transform: translateY(1px); }
.button-outline { color: var(--brand); background: transparent; }
.button-outline:hover { color: var(--brand-deep); background: var(--surface-soft); }
.button-light { color: var(--brand-deep); background: var(--surface-raised); border-color: var(--surface-raised); }
.button-light:hover { background: var(--surface-soft); }
.button-ghost-light { color: var(--on-brand); background: transparent; border-color: var(--on-brand-soft); }
.button-ghost-light:hover { background: oklch(1 0 0 / .12); }
.icon-button { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-width: 44px; min-height: 44px; padding: 9px; border: 0; border-radius: 3px; color: inherit; background: transparent; transition: color 180ms ease-out, background-color 180ms ease-out, transform 180ms ease-out; }
.icon-button:hover { color: var(--brand); background: var(--surface-soft); }
.icon-button:active { transform: scale(.96); }
.demo-bar { color: var(--on-brand); background: var(--brand-night); font-size: .78rem; }
.demo-bar-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 36px; padding-block: 6px; }
.demo-note { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 12px; }
.demo-note strong { color: var(--on-brand); font-weight: 750; }
.demo-reference { color: var(--on-brand-soft); text-decoration: underline; text-underline-offset: 3px; }
.demo-official { display: none; align-items: center; gap: 5px; color: var(--on-brand); font-weight: 650; white-space: nowrap; }
.utility-bar { border-bottom: 1px solid var(--line); background: var(--surface-raised); color: var(--ink-muted); font-size: .8rem; }
.utility-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 38px; }
.utility-links { display: flex; align-items: center; gap: 2px; }
.utility-links a, .utility-links button { display: inline-flex; align-items: center; min-height: 38px; padding: 5px 9px; border: 0; color: var(--ink-muted); background: transparent; font-size: .8rem; }
.utility-links a:hover, .utility-links button:hover { color: var(--brand); }
.masthead { background: var(--surface-raised); }
.masthead-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 100px; padding-block: 16px; }
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand-logo { width: 52px; height: 62px; object-fit: contain; flex: 0 0 auto; }
.brand-title { display: block; font-family: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-size: clamp(1.45rem, 4.8vw, 2.05rem); font-weight: 800; letter-spacing: .06em; line-height: 1.25; }
.brand-subtitle { display: block; margin-top: 5px; color: var(--ink-muted); font-size: .62rem; font-weight: 650; letter-spacing: .13em; line-height: 1.4; }
.masthead-actions { display: none; align-items: center; gap: 12px; }
.header-search { display: flex; width: min(31vw, 350px); border-bottom: 1px solid var(--line-dark); }
.header-search input { width: 100%; min-width: 0; min-height: 44px; padding: 8px 4px; border: 0; color: var(--ink); background: transparent; outline: 0; }
.header-search:focus-within { border-color: var(--brand); box-shadow: 0 2px 0 var(--brand); }
.header-search button { border: 0; background: transparent; }
.ai-entry { white-space: nowrap; }
.mobile-actions { display: flex; align-items: center; gap: 2px; }
.primary-nav { position: sticky; z-index: 30; top: 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface-raised); }
.nav-inner { display: none; align-items: stretch; justify-content: space-between; }
.nav-link { position: relative; display: flex; align-items: center; justify-content: center; min-height: 58px; padding: 10px 14px; font-size: 1rem; font-weight: 700; white-space: nowrap; }
.nav-link::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: -1px; height: 3px; background: var(--brand); transform: scaleX(0); transform-origin: center; transition: transform 180ms ease-out; }
.nav-link:hover, .nav-link.active { color: var(--brand); }
.nav-link:hover::after, .nav-link.active::after { transform: scaleX(1); }
.nav-all { display: inline-flex; align-items: center; gap: 7px; min-height: 58px; padding: 10px 4px 10px 14px; border: 0; border-left: 1px solid var(--line); color: var(--ink-muted); background: transparent; font-weight: 650; }
.mobile-nav-wrap { display: none; }
.hero { position: relative; min-height: 650px; overflow: hidden; color: var(--on-brand); background: var(--brand-night); }
.hero-slides, .hero-slide { position: absolute; inset: 0; }
.hero-slide { opacity: 0; visibility: hidden; transition: opacity 700ms ease-out, visibility 700ms; }
.hero-slide.active { opacity: 1; visibility: visible; }
.hero-slide > img { width: 100%; height: 100%; object-fit: cover; }
.hero-slide::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, oklch(0.20 0.07 255 / .84) 0%, oklch(0.22 0.07 255 / .55) 46%, oklch(0.2 0.05 255 / .10) 78%), linear-gradient(0deg, oklch(0.18 0.06 255 / .55), transparent 52%); }
.hero-content { position: relative; z-index: 2; display: flex; flex-direction: column; justify-content: center; min-height: 650px; padding-top: 48px; padding-bottom: 126px; }
.hero-copy { max-width: 820px; }
.hero-coordinates { display: flex; align-items: center; gap: 10px; margin-bottom: 18px; color: var(--on-brand-soft); font-size: .74rem; font-weight: 650; letter-spacing: .16em; }
.hero-coordinates::before { content: ""; width: 30px; height: 1px; background: currentColor; }
.hero-title { max-width: 12em; font-family: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-size: clamp(2.35rem, 8vw, 4.5rem); font-weight: 750; letter-spacing: .03em; text-shadow: 0 2px 18px oklch(0.1 0.03 250 / .25); }
.hero-text { margin-top: 18px; color: var(--on-brand); font-size: clamp(1rem, 2.5vw, 1.25rem); letter-spacing: .04em; }
.hero-search { display: grid; grid-template-columns: 1fr auto; width: 100%; max-width: 760px; margin-top: 34px; padding: 7px; border-radius: 5px; background: var(--surface-raised); box-shadow: var(--shadow-soft); }
.hero-search input { min-width: 0; min-height: 52px; padding: 10px 12px; border: 0; color: var(--ink); background: transparent; outline: 0; }
.hero-search:focus-within { outline: 3px solid var(--focus); outline-offset: 3px; }
.hero-search .button { min-height: 52px; }
.hero-search-mode { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 16px; margin-top: 14px; }
.hero-ai-link { display: inline-flex; align-items: center; gap: 7px; min-height: 44px; color: var(--on-brand); font-weight: 750; }
.hero-ai-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.hot-word { min-height: 36px; padding: 4px 0; border: 0; border-bottom: 1px solid transparent; color: var(--on-brand-soft); background: transparent; font-size: .86rem; }
.hot-word:hover { color: var(--on-brand); border-color: currentColor; }
.hero-controls { position: absolute; z-index: 3; right: 16px; bottom: 96px; display: flex; align-items: center; gap: 8px; }
.slide-arrow { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 1px solid oklch(1 0 0 / .55); border-radius: 50%; color: var(--on-brand); background: oklch(0.2 0.05 250 / .25); }
.slide-arrow:hover { background: oklch(1 0 0 / .16); }
.slide-count { min-width: 58px; text-align: center; font-size: .85rem; letter-spacing: .08em; }
.hero-river { position: absolute; z-index: 1; right: -60px; bottom: -70px; width: 55%; opacity: .23; pointer-events: none; }
.quick-services { position: relative; z-index: 5; margin-top: -58px; }
.quick-grid { display: grid; grid-template-columns: repeat(2, 1fr); overflow: hidden; border: 1px solid var(--line); border-radius: 5px; background: var(--surface-raised); box-shadow: var(--shadow-soft); }
.quick-item { display: flex; align-items: center; gap: 12px; min-height: 100px; padding: 18px 14px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); transition: background-color 180ms ease-out; }
.quick-item:nth-child(2n) { border-right: 0; }
.quick-item:nth-last-child(-n+2) { border-bottom: 0; }
.quick-item:hover { background: var(--surface-soft); }
.quick-item .icon { color: var(--brand); }
.quick-item strong { display: block; font-size: .96rem; }
.quick-item small { display: block; margin-top: 2px; color: var(--ink-muted); font-size: .74rem; }
.section { padding-block: 64px; }
.section-soft { background: var(--surface-soft); }
.section-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 30px; }
.section-title { margin-top: 6px; font-family: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", "SimSun", serif; font-size: clamp(1.75rem, 5vw, 2.45rem); font-weight: 750; letter-spacing: .03em; }
.section-description { max-width: 620px; margin-top: 10px; color: var(--ink-muted); }
.news-grid { display: grid; gap: 32px; }
.news-feature { min-width: 0; }
.news-feature-media { position: relative; overflow: hidden; aspect-ratio: 16 / 10; border-radius: 3px; background: var(--surface-soft); }
.news-feature-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 280ms ease-out; }
.news-feature:hover img { transform: scale(1.025); }
.news-feature-label { position: absolute; left: 0; bottom: 0; padding: 6px 12px; color: var(--on-brand); background: var(--accent); font-size: .78rem; font-weight: 700; }
.news-feature h3 { margin-top: 18px; font-size: 1.28rem; }
.news-feature p { margin-top: 10px; color: var(--ink-muted); font-size: .94rem; }
.tab-list { display: flex; gap: 24px; border-bottom: 1px solid var(--line); }
.tab-button { position: relative; min-height: 46px; padding: 6px 0; border: 0; color: var(--ink-muted); background: transparent; font-weight: 700; }
.tab-button::after { content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 3px; background: var(--brand); transform: scaleX(0); transition: transform 180ms ease-out; }
.tab-button.active { color: var(--brand); }
.tab-button.active::after { transform: scaleX(1); }
.news-list { margin-top: 10px; }
.news-row { display: flex; align-items: flex-start; gap: 12px; padding-block: 15px; border-bottom: 1px solid var(--line); }
.news-row:hover .news-row-title { color: var(--brand); }
.news-row-title { flex: 1; min-width: 0; font-size: .96rem; font-weight: 650; transition: color 180ms ease-out; }
.news-date { flex: 0 0 auto; color: var(--ink-muted); font-family: ui-monospace, "SFMono-Regular", Consolas, monospace; font-size: .77rem; }
.notice-panel { padding-left: 0; }
.notice-panel h3 { padding-bottom: 14px; border-bottom: 2px solid var(--brand-night); font-size: 1.15rem; }
.notice-list .news-row { display: block; }
.notice-list .news-date { display: block; margin-top: 5px; }
.ai-band { position: relative; overflow: hidden; padding-block: 64px; color: var(--on-brand); background: var(--brand-night); }
.ai-band::after { content: ""; position: absolute; right: -100px; top: -180px; width: 500px; height: 500px; border: 1px solid oklch(1 0 0 / .12); border-radius: 50%; box-shadow: 0 0 0 70px oklch(1 0 0 / .035), 0 0 0 140px oklch(1 0 0 / .025); pointer-events: none; }
.ai-band-grid { position: relative; z-index: 1; display: grid; gap: 36px; }
.ai-band .kicker { color: var(--on-brand-soft); }
.ai-band .section-description { color: var(--on-brand-soft); }
.ai-band .section-title { color: var(--on-brand); }
.ai-capabilities { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; margin-top: 26px; background: oklch(1 0 0 / .18); }
.ai-capability { min-height: 106px; padding: 18px 14px; border: 0; color: var(--on-brand); background: var(--brand-night); text-align: left; transition: background-color 180ms ease-out; }
.ai-capability:hover { background: var(--brand-deep); }
.ai-capability strong { display: block; margin-top: 8px; font-size: .95rem; }
.ai-task { padding: 26px 22px; border: 1px solid oklch(1 0 0 / .26); border-radius: 5px; background: oklch(1 0 0 / .055); }
.ai-task-tag { display: flex; align-items: center; justify-content: space-between; gap: 12px; color: var(--on-brand-soft); font-size: .8rem; letter-spacing: .08em; }
.ai-task h3 { margin-top: 18px; font-size: 1.5rem; }
.task-steps { margin-block: 24px; }
.task-step { position: relative; display: flex; gap: 14px; padding-bottom: 20px; }
.task-step:last-child { padding-bottom: 0; }
.task-step::before { content: ""; position: absolute; left: 15px; top: 32px; bottom: 0; width: 1px; background: oklch(1 0 0 / .25); }
.task-step:last-child::before { display: none; }
.task-number { position: relative; z-index: 1; display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; flex: 0 0 auto; border: 1px solid oklch(1 0 0 / .45); border-radius: 50%; color: var(--on-brand); background: var(--brand-night); font-size: .75rem; }
.task-step strong { display: block; font-size: .94rem; }
.task-step small { display: block; margin-top: 3px; color: var(--on-brand-soft); font-size: .8rem; }
.service-tabs { margin-bottom: 26px; }
.service-layout { display: grid; gap: 28px; }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-item { display: flex; align-items: center; gap: 12px; min-height: 104px; padding: 18px 14px; border: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--ink); background: var(--surface-raised); text-align: left; transition: color 180ms ease-out, background-color 180ms ease-out; }
.service-item:hover { color: var(--brand); background: var(--surface-soft); }
.service-item .icon { color: var(--brand); }
.service-item strong { display: block; font-size: .94rem; }
.service-item small { display: block; margin-top: 4px; color: var(--ink-muted); font-size: .73rem; }
.scene-panel { padding: 28px 24px; color: var(--on-brand); background: var(--brand-deep); }
.scene-panel .kicker { color: var(--on-brand-soft); }
.scene-panel h3 { margin-top: 8px; font-size: 1.45rem; }
.scene-list { margin-top: 18px; }
.scene-link { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 70px; padding-block: 12px; border-bottom: 1px solid oklch(1 0 0 / .22); }
.scene-link:hover strong { text-decoration: underline; text-underline-offset: 4px; }
.scene-link strong { display: block; font-size: .92rem; }
.scene-link small { display: block; margin-top: 3px; color: var(--on-brand-soft); font-size: .75rem; }
.policy-grid { display: grid; gap: 18px; }
.policy-card { display: flex; flex-direction: column; min-height: 260px; padding: 24px 20px; border: 1px solid var(--line); border-radius: 3px; background: var(--surface-raised); transition: border-color 180ms ease-out, transform 180ms ease-out; }
.policy-card:hover { border-color: var(--brand); transform: translateY(-3px); }
.policy-card h3 { margin-top: 16px; font-size: 1.05rem; }
.policy-card p { margin-top: 12px; color: var(--ink-muted); font-size: .88rem; }
.policy-card-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 20px; color: var(--ink-muted); font-size: .78rem; }
.city-heading { max-width: 760px; }
.city-mosaic { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.city-tile { position: relative; overflow: hidden; min-height: 220px; border-radius: 3px; background: var(--brand-night); }
.city-tile img { width: 100%; height: 100%; object-fit: cover; transition: transform 280ms ease-out, opacity 180ms ease-out; }
.city-tile::after { content: ""; position: absolute; inset: 35% 0 0; background: linear-gradient(transparent, oklch(0.16 0.04 250 / .82)); }
.city-tile:hover img { transform: scale(1.035); }
.city-tile-copy { position: absolute; z-index: 1; left: 18px; right: 18px; bottom: 18px; color: var(--on-brand); }
.city-tile-copy h3 { font-family: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", serif; font-size: 1.35rem; }
.city-tile-copy p { margin-top: 4px; color: var(--on-brand-soft); font-size: .8rem; }
.city-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); }
.city-fact strong { display: block; color: var(--brand-deep); font-family: "Noto Serif CJK SC", "Source Han Serif SC", serif; font-size: clamp(1.15rem, 4vw, 1.8rem); }
.city-fact span { display: block; margin-top: 4px; color: var(--ink-muted); font-size: .75rem; }
.open-grid { display: grid; gap: 28px; }
.open-directory { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.open-link { display: flex; align-items: center; gap: 12px; min-height: 96px; padding: 16px 12px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface-raised); }
.open-link:hover { color: var(--brand); background: var(--surface-soft); }
.open-link .icon { color: var(--brand); }
.open-link strong { display: block; font-size: .87rem; }
.open-link small { display: none; margin-top: 3px; color: var(--ink-muted); font-size: .72rem; }
.interaction-home { display: grid; gap: 18px; }
.hotline-card { padding: 28px 24px; color: var(--on-brand); background: var(--accent); }
.hotline-card .kicker { color: var(--on-brand); }
.hotline-number { margin-block: 12px 6px; font-family: ui-monospace, Consolas, monospace; font-size: clamp(2.5rem, 10vw, 4rem); font-weight: 750; letter-spacing: .04em; line-height: 1.2; }
.hotline-card p { color: var(--on-brand); }
.hotline-card .button { margin-top: 22px; }
.survey-panel { padding: 26px 22px; border: 1px solid var(--line); background: var(--surface-raised); }
.survey-panel h3 { font-size: 1.25rem; }
.survey-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; padding-block: 16px; border-bottom: 1px solid var(--line); }
.survey-row strong { font-size: .9rem; }
.survey-row span { flex: 0 0 auto; color: var(--ink-muted); font-size: .75rem; }
.site-footer { color: var(--on-brand); background: var(--brand-night); }
.footer-main { display: grid; gap: 32px; padding-block: 48px 34px; }
.footer-brand { max-width: 440px; }
.footer-brand .brand-subtitle { color: var(--on-brand-soft); }
.footer-brand p { margin-top: 18px; color: var(--on-brand-soft); font-size: .85rem; }
.footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.footer-column h3 { margin-bottom: 12px; color: var(--on-brand); font-size: .9rem; }
.footer-column a { display: block; min-height: 34px; padding-block: 5px; color: var(--on-brand-soft); font-size: .8rem; }
.footer-column a:hover { color: var(--on-brand); text-decoration: underline; }
.footer-bottom { display: flex; flex-direction: column; gap: 10px; padding-block: 20px; border-top: 1px solid oklch(1 0 0 / .18); color: var(--on-brand-soft); font-size: .75rem; }
.footer-bottom-links { display: flex; flex-wrap: wrap; gap: 8px 18px; }
.footer-bottom a:hover { color: var(--on-brand); }
.noscript { max-width: 720px; margin: 80px auto; padding: 20px; }
.noscript a { color: var(--brand); text-decoration: underline; }

/* 栏目页与全站功能 */
.page-hero { position: relative; overflow: hidden; padding-block: 44px; color: var(--on-brand); background: var(--brand-deep); }
.page-hero::after { content: ""; position: absolute; right: -70px; top: -160px; width: 360px; height: 360px; border: 1px solid oklch(1 0 0 / .15); border-radius: 50%; box-shadow: 0 0 0 58px oklch(1 0 0 / .035), 0 0 0 116px oklch(1 0 0 / .025); }
.page-hero .container { position: relative; z-index: 1; }
.breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; color: var(--on-brand-soft); font-size: .8rem; }
.breadcrumb a:hover { color: var(--on-brand); text-decoration: underline; }
.page-hero h1 { font-family: "Noto Serif CJK SC", "Source Han Serif SC", "Songti SC", serif; font-size: clamp(2rem, 6vw, 3rem); letter-spacing: .05em; }
.page-hero p { max-width: 720px; margin-top: 12px; color: var(--on-brand-soft); }
.page-body { min-height: 520px; padding-block: 44px 72px; }
.page-toolbar { display: flex; flex-direction: column; gap: 16px; margin-bottom: 26px; }
.page-toolbar .tab-list { overflow-x: auto; }
.result-count { color: var(--ink-muted); font-size: .85rem; }
.archive-list { border-top: 2px solid var(--brand-night); }
.archive-item { display: grid; gap: 10px; padding-block: 24px; border-bottom: 1px solid var(--line); }
.archive-item h2, .archive-item h3 { font-size: 1.08rem; font-weight: 700; }
.archive-item:hover h2, .archive-item:hover h3 { color: var(--brand); }
.archive-item p { color: var(--ink-muted); font-size: .9rem; }
.archive-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 14px; color: var(--ink-muted); font-size: .78rem; }
.archive-date { color: var(--brand-deep); font-family: ui-monospace, Consolas, monospace; font-weight: 700; }
.page-side-note { padding: 22px; border: 1px solid var(--line); background: var(--surface-soft); }
.page-side-note h3 { font-size: 1rem; }
.page-side-note p { margin-top: 10px; color: var(--ink-muted); font-size: .85rem; }
.page-side-note .button { margin-top: 18px; }
.service-filter { display: flex; flex-direction: column; gap: 14px; margin-bottom: 24px; }
.inline-search { display: flex; align-items: center; gap: 10px; min-height: 50px; padding: 4px 12px; border: 1px solid var(--line-dark); border-radius: 3px; background: var(--surface-raised); }
.inline-search:focus-within { border-color: var(--brand); outline: 2px solid var(--brand); outline-offset: 1px; }
.inline-search input { width: 100%; min-width: 0; min-height: 42px; border: 0; color: var(--ink); background: transparent; outline: 0; }
.full-service-grid { display: grid; gap: 14px; }
.full-service-item { display: flex; align-items: flex-start; gap: 16px; min-height: 150px; padding: 22px 18px; border: 1px solid var(--line); border-radius: 3px; color: var(--ink); background: var(--surface-raised); text-align: left; transition: border-color 180ms ease-out, transform 180ms ease-out; }
.full-service-item:hover { border-color: var(--brand); transform: translateY(-2px); }
.full-service-item > .icon { margin-top: 2px; color: var(--brand); }
.full-service-item h2, .full-service-item h3 { font-size: 1.05rem; }
.full-service-item p { margin-top: 9px; color: var(--ink-muted); font-size: .85rem; }
.full-service-item small { display: block; margin-top: 12px; color: var(--brand); font-size: .76rem; }
.scene-section { margin-top: 56px; }
.scene-section-grid { display: grid; gap: 12px; }
.scene-card { display: block; min-height: 160px; padding: 22px 18px; border: 1px solid var(--line); color: var(--ink); background: var(--surface-raised); text-align: left; }
.scene-card:hover { border-color: var(--brand); }
.scene-card strong { display: block; font-size: 1rem; }
.scene-card span { display: block; margin-top: 8px; color: var(--ink-muted); font-size: .82rem; }
.scene-card .text-link { margin-top: 14px; font-size: .8rem; }
.disclosure-intro { display: grid; gap: 20px; margin-bottom: 40px; }
.disclosure-intro .open-directory { align-content: start; }
.policy-archive { margin-top: 54px; }
.compare-panel { margin-top: 24px; padding: 24px 18px; border: 1px solid var(--line); background: var(--surface-soft); }
.compare-panel h3 { font-size: 1.15rem; }
.compare-controls { display: grid; gap: 12px; margin-top: 18px; }
.select-field { display: grid; gap: 6px; color: var(--ink-muted); font-size: .8rem; }
.select-field select { width: 100%; min-height: 46px; padding: 8px 10px; border: 1px solid var(--line-dark); border-radius: 3px; color: var(--ink); background: var(--surface-raised); }
.compare-result { overflow-x: auto; margin-top: 22px; }
.compare-table { width: 100%; min-width: 580px; border-collapse: collapse; background: var(--surface-raised); font-size: .84rem; }
.compare-table th, .compare-table td { padding: 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.compare-table th { color: var(--brand-deep); background: var(--surface-soft); }
.interaction-grid { display: grid; gap: 18px; }
.interaction-channel { min-height: 190px; padding: 24px 20px; border: 1px solid var(--line); background: var(--surface-raised); }
.interaction-channel .icon { color: var(--brand); }
.interaction-channel h2, .interaction-channel h3 { margin-top: 16px; font-size: 1.1rem; }
.interaction-channel p { margin-top: 8px; color: var(--ink-muted); font-size: .85rem; }
.interaction-channel .text-link { margin-top: 12px; }
.prototype-note { display: flex; align-items: flex-start; gap: 12px; margin-bottom: 28px; padding: 18px; border: 1px solid var(--line); background: var(--surface-soft); }
.prototype-note .icon { flex: 0 0 auto; margin-top: 3px; color: var(--brand); }
.prototype-note p { color: var(--ink-muted); font-size: .86rem; }
.data-intro { display: grid; gap: 24px; margin-bottom: 42px; }
.data-intro h2 { font-family: "Noto Serif CJK SC", "Source Han Serif SC", serif; font-size: 1.6rem; }
.data-intro p { margin-top: 10px; color: var(--ink-muted); }
.data-grid { display: grid; gap: 12px; }
.data-card { min-height: 170px; padding: 24px 20px; border: 1px solid var(--line); background: var(--surface-raised); }
.data-card .icon { color: var(--brand); }
.data-card h3 { margin-top: 14px; font-size: 1rem; }
.data-card p { margin-top: 8px; color: var(--ink-muted); font-size: .84rem; }
.data-card .text-link { margin-top: 10px; font-size: .8rem; }
.city-overview { display: grid; gap: 28px; margin-bottom: 48px; }
.city-overview-media { overflow: hidden; min-height: 300px; border-radius: 3px; }
.city-overview-media img { width: 100%; height: 100%; object-fit: cover; }
.city-overview-copy h2 { font-family: "Noto Serif CJK SC", "Source Han Serif SC", serif; font-size: 1.75rem; }
.city-overview-copy p { margin-top: 16px; color: var(--ink-muted); }
.city-overview-copy .city-facts { margin-top: 24px; }
.city-page-gallery { display: grid; gap: 12px; }
.city-page-gallery .city-tile { min-height: 280px; }
.topics-grid { display: grid; gap: 20px; }
.topic-card { position: relative; display: flex; align-items: flex-end; overflow: hidden; min-height: 310px; border-radius: 3px; color: var(--on-brand); background: var(--brand-night); }
.topic-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 280ms ease-out; }
.topic-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, oklch(0.19 0.06 255 / .92), oklch(0.19 0.06 255 / .04) 75%); }
.topic-card:hover img { transform: scale(1.03); }
.topic-copy { position: relative; z-index: 1; padding: 26px 22px; }
.topic-copy h2, .topic-copy h3 { font-family: "Noto Serif CJK SC", "Source Han Serif SC", serif; font-size: 1.45rem; }
.topic-copy p { margin-top: 8px; color: var(--on-brand-soft); font-size: .86rem; }
.topic-copy .text-link { color: var(--on-brand); }
.search-hero { max-width: 850px; margin-bottom: 34px; }
.search-hero .inline-search { min-height: 60px; padding-left: 16px; }
.search-hero .inline-search input { font-size: 1.05rem; }
.search-suggestions { display: flex; align-items: center; flex-wrap: wrap; gap: 6px 12px; margin-top: 12px; color: var(--ink-muted); font-size: .8rem; }
.search-suggestions button { min-height: 36px; padding: 3px 0; border: 0; color: var(--brand); background: transparent; }
.search-results { border-top: 2px solid var(--brand-night); }
.search-result { display: block; padding-block: 24px; border-bottom: 1px solid var(--line); }
.search-result:hover h2 { color: var(--brand); }
.search-result h2 { font-size: 1.08rem; }
.search-result p { margin-top: 8px; color: var(--ink-muted); font-size: .88rem; }
.search-result .archive-meta { margin-top: 10px; }
.empty-state { padding: 60px 20px; border: 1px solid var(--line); text-align: center; background: var(--surface-soft); }
.empty-state .icon { margin-inline: auto; color: var(--brand); }
.empty-state h2 { margin-top: 16px; font-size: 1.25rem; }
.empty-state p { max-width: 520px; margin: 10px auto 0; color: var(--ink-muted); }
.empty-state .button { margin-top: 20px; }
/* 昌易办 */
.ai-page-layout { display: grid; gap: 24px; }
.ai-side { padding: 20px; color: var(--on-brand); background: var(--brand-night); }
.ai-side-brand { display: flex; align-items: center; gap: 12px; padding-bottom: 18px; border-bottom: 1px solid oklch(1 0 0 / .18); }
.ai-side-brand .icon { color: var(--on-brand); }
.ai-side-brand strong { display: block; font-size: 1.1rem; }
.ai-side-brand small { display: block; color: var(--on-brand-soft); font-size: .7rem; letter-spacing: .08em; }
.ai-side-nav { margin-top: 14px; }
.ai-side-button { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 48px; padding: 10px 12px; border: 0; border-radius: 3px; color: var(--on-brand-soft); background: transparent; text-align: left; }
.ai-side-button:hover, .ai-side-button.active { color: var(--on-brand); background: oklch(1 0 0 / .10); }
.ai-side-note { margin-top: 24px; padding-top: 18px; border-top: 1px solid oklch(1 0 0 / .18); color: var(--on-brand-soft); font-size: .76rem; }
.chat-shell { display: flex; flex-direction: column; min-height: 620px; border: 1px solid var(--line); background: var(--surface-raised); }
.chat-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 66px; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.chat-head strong { display: block; }
.chat-head small { display: block; color: var(--ink-muted); font-size: .72rem; }
.chat-status { display: inline-flex; align-items: center; gap: 6px; color: var(--brand); font-size: .75rem; white-space: nowrap; }
.chat-status::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--brand); }
.chat-messages { flex: 1; max-height: 610px; overflow-y: auto; padding: 22px 14px; background: var(--surface); }
.chat-message { display: flex; gap: 10px; margin-bottom: 20px; }
.chat-message.user { justify-content: flex-end; }
.chat-avatar { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; flex: 0 0 auto; border-radius: 50%; color: var(--on-brand); background: var(--brand); }
.chat-bubble { max-width: 88%; padding: 14px 16px; border: 1px solid var(--line); border-radius: 3px 12px 12px 12px; background: var(--surface-raised); }
.chat-message.user .chat-bubble { color: var(--on-brand); background: var(--brand); border-color: var(--brand); border-radius: 12px 3px 12px 12px; }
.chat-bubble p { font-size: .9rem; }
.chat-bubble h3 { margin-bottom: 10px; font-size: .95rem; }
.chat-bubble ol { padding-left: 20px; list-style: decimal; }
.chat-bubble li { margin-block: 6px; font-size: .88rem; }
.chat-source { display: flex; align-items: flex-start; gap: 6px; margin-top: 12px; padding-top: 10px; border-top: 1px solid var(--line); color: var(--brand); font-size: .76rem; }
.chat-source:hover { text-decoration: underline; }
.chat-disclaimer { margin-top: 10px; color: var(--ink-muted); font-size: .72rem; }
.typing { display: inline-flex; gap: 4px; padding-block: 6px; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--brand); animation: typing 900ms infinite alternate; }
.typing i:nth-child(2) { animation-delay: 180ms; }
.typing i:nth-child(3) { animation-delay: 360ms; }
@keyframes typing { to { opacity: .25; transform: translateY(-3px); } }
.chat-prompts { display: flex; gap: 8px; overflow-x: auto; padding: 12px 14px 4px; background: var(--surface-raised); }
.chat-prompt { flex: 0 0 auto; min-height: 38px; padding: 6px 12px; border: 1px solid var(--line); border-radius: 20px; color: var(--brand-deep); background: var(--surface-raised); font-size: .78rem; }
.chat-prompt:hover { border-color: var(--brand); background: var(--surface-soft); }
.chat-form { display: grid; grid-template-columns: 1fr auto; gap: 10px; padding: 12px 14px; background: var(--surface-raised); }
.chat-form textarea { width: 100%; min-height: 50px; max-height: 130px; resize: vertical; padding: 11px 12px; border: 1px solid var(--line-dark); border-radius: 3px; color: var(--ink); background: var(--surface); outline: 0; }
.chat-form textarea:focus { border-color: var(--brand); outline: 2px solid var(--brand); outline-offset: 1px; }
.chat-privacy { padding: 0 14px 14px; color: var(--ink-muted); background: var(--surface-raised); font-size: .7rem; }
/* 弹层、导航与显示偏好 */
.overlay { position: fixed; z-index: 100; inset: 0; display: flex; align-items: center; justify-content: center; padding: 16px; background: oklch(0.16 0.03 250 / .68); }
.dialog { width: 100%; max-width: 720px; max-height: calc(100dvh - 32px); overflow-y: auto; border-radius: 5px; background: var(--surface-raised); box-shadow: var(--shadow-dialog); }
.dialog-wide { max-width: 980px; }
.dialog-head { position: sticky; z-index: 2; top: 0; display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 22px 20px; border-bottom: 1px solid var(--line); background: var(--surface-raised); }
.dialog-head h2 { font-size: 1.3rem; }
.dialog-head p { margin-top: 5px; color: var(--ink-muted); font-size: .8rem; }
.dialog-body { padding: 24px 20px; }
.guide-path { display: grid; gap: 10px; margin-block: 20px; }
.guide-step { display: flex; align-items: flex-start; gap: 12px; padding: 16px; border: 1px solid var(--line); background: var(--surface); }
.guide-step .task-number { color: var(--brand); border-color: var(--brand); background: var(--surface-raised); }
.guide-step strong { display: block; font-size: .92rem; }
.guide-step p { margin-top: 4px; color: var(--ink-muted); font-size: .8rem; }
.guide-meta { display: grid; gap: 12px; margin-block: 20px; padding-block: 16px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.guide-meta span { color: var(--ink-muted); font-size: .8rem; }
.guide-meta strong { display: block; color: var(--ink); font-size: .9rem; }
.dialog-actions { display: flex; flex-direction: column; gap: 10px; margin-top: 22px; }
.nav-dialog-grid { display: grid; gap: 24px; }
.nav-dialog-column h3 { padding-bottom: 10px; border-bottom: 2px solid var(--brand); font-size: 1rem; }
.nav-dialog-column a { display: flex; align-items: center; justify-content: space-between; min-height: 44px; border-bottom: 1px solid var(--line); color: var(--ink-muted); font-size: .86rem; }
.nav-dialog-column a:hover { color: var(--brand); }
.access-options { display: grid; gap: 12px; }
.access-option { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 60px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.access-option strong { display: block; font-size: .9rem; }
.access-option small { display: block; color: var(--ink-muted); font-size: .75rem; }
.font-controls { display: flex; gap: 8px; }
.toggle { position: relative; width: 50px; height: 30px; flex: 0 0 auto; border: 0; border-radius: 20px; background: var(--line-dark); transition: background-color 180ms ease-out; }
.toggle::after { content: ""; position: absolute; left: 4px; top: 4px; width: 22px; height: 22px; border-radius: 50%; background: var(--surface-raised); transition: transform 180ms ease-out; }
.toggle[aria-checked="true"] { background: var(--brand); }
.toggle[aria-checked="true"]::after { transform: translateX(20px); }
.toast { position: fixed; z-index: 150; left: 50%; bottom: max(24px, env(safe-area-inset-bottom)); width: max-content; max-width: calc(100% - 32px); padding: 12px 18px; border-radius: 4px; color: var(--on-brand); background: var(--brand-night); box-shadow: var(--shadow-dialog); transform: translateX(-50%); font-size: .85rem; }
.mobile-menu { position: fixed; z-index: 90; inset: 0; overflow-y: auto; padding: 20px 16px max(24px, env(safe-area-inset-bottom)); color: var(--on-brand); background: var(--brand-night); }
.mobile-menu-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-bottom: 20px; border-bottom: 1px solid oklch(1 0 0 / .2); }
.mobile-menu-head .icon-button:hover { color: var(--on-brand); background: oklch(1 0 0 / .1); }
.mobile-menu-nav { margin-top: 14px; }
.mobile-menu-nav a { display: flex; align-items: center; justify-content: space-between; min-height: 58px; border-bottom: 1px solid oklch(1 0 0 / .17); font-size: 1.05rem; font-weight: 650; }
.mobile-menu-nav a span { color: var(--on-brand-soft); font-size: .66rem; font-weight: 500; letter-spacing: .1em; }
.mobile-menu-tools { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-top: 24px; }
html.high-contrast { --surface: oklch(1 0 0); --surface-raised: oklch(1 0 0); --surface-soft: oklch(.94 .035 245); --ink: oklch(.12 0 0); --ink-muted: oklch(.28 0 0); --brand: oklch(.43 .20 255); --brand-deep: oklch(.29 .14 255); --line: oklch(.55 .02 245); --line-dark: oklch(.4 .02 245); }
html.text-only .hero-slide > img, html.text-only .city-tile img, html.text-only .city-overview-media, html.text-only .news-feature-media, html.text-only .topic-card img, html.text-only .hero-river { display: none; }
html.text-only .hero { min-height: 520px; }
html.text-only .hero-content { min-height: 520px; }
html.text-only .city-tile, html.text-only .topic-card { color: var(--ink); background: var(--surface-soft); }
html.text-only .city-tile::after, html.text-only .topic-card::after { display: none; }
html.text-only .city-tile-copy, html.text-only .topic-copy { position: relative; left: auto; right: auto; bottom: auto; padding: 24px; color: var(--ink); }
html.text-only .city-tile-copy p, html.text-only .topic-copy p, html.text-only .topic-copy .text-link { color: var(--ink-muted); }
html.reduce-motion { scroll-behavior: auto; }
html.reduce-motion *, html.reduce-motion *::before, html.reduce-motion *::after { animation: none !important; transition: none !important; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media (min-width: 600px) {
  .container { padding-inline: 24px; }
  .demo-official { display: inline-flex; }
  .quick-grid { grid-template-columns: repeat(3, 1fr); }
  .quick-item, .quick-item:nth-child(2n) { border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
  .quick-item:nth-child(3n) { border-right: 0; }
  .quick-item:nth-last-child(-n+3) { border-bottom: 0; }
  .policy-grid { grid-template-columns: repeat(2, 1fr); }
  .full-service-grid, .scene-section-grid, .data-grid, .interaction-grid { grid-template-columns: repeat(2, 1fr); }
  .compare-controls { grid-template-columns: 1fr 1fr auto; align-items: end; }
  .dialog-actions { flex-direction: row; }
  .nav-dialog-grid { grid-template-columns: repeat(2, 1fr); }
  .guide-meta { grid-template-columns: repeat(2, 1fr); }
  .topics-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-bottom { flex-direction: row; align-items: center; justify-content: space-between; }
}
@media (min-width: 820px) {
  .section { padding-block: 84px; }
  .hero, .hero-content { min-height: 610px; }
  .hero-content { padding-top: 56px; padding-bottom: 110px; }
  .hero-controls { right: 32px; bottom: 96px; }
  .news-grid { grid-template-columns: 1.02fr 1.2fr; gap: 40px; }
  .notice-panel { grid-column: 1 / -1; }
  .notice-list { display: grid; grid-template-columns: repeat(2, 1fr); column-gap: 30px; }
  .ai-band { padding-block: 84px; }
  .ai-band-grid { grid-template-columns: 1.1fr .9fr; align-items: center; gap: 70px; }
  .service-layout { grid-template-columns: 1.35fr .85fr; gap: 38px; }
  .service-grid { grid-template-columns: repeat(3, 1fr); }
  .open-grid { grid-template-columns: 1.2fr .8fr; gap: 50px; }
  .open-link small { display: block; }
  .interaction-home { grid-template-columns: .75fr 1.25fr; }
  .hotline-card, .survey-panel { padding: 34px 30px; }
  .footer-main { grid-template-columns: .85fr 1.15fr; }
  .footer-links { grid-template-columns: repeat(3, 1fr); }
  .page-hero { padding-block: 58px; }
  .page-body { padding-block: 56px 88px; }
  .page-toolbar { flex-direction: row; align-items: center; justify-content: space-between; }
  .archive-item { grid-template-columns: 110px 1fr; gap: 24px; padding-block: 28px; }
  .archive-item .archive-date { padding-top: 3px; }
  .archive-item .archive-meta { margin-top: 12px; }
  .service-filter { flex-direction: row; align-items: center; justify-content: space-between; }
  .service-filter .inline-search { width: 340px; }
  .full-service-grid { grid-template-columns: repeat(3, 1fr); }
  .scene-section-grid, .data-grid { grid-template-columns: repeat(3, 1fr); }
  .disclosure-intro { grid-template-columns: 1.35fr .65fr; gap: 36px; }
  .interaction-grid { grid-template-columns: repeat(3, 1fr); }
  .data-intro { grid-template-columns: 1fr auto; align-items: center; }
  .city-overview { grid-template-columns: 1.05fr .95fr; align-items: center; gap: 48px; }
  .city-page-gallery { grid-template-columns: repeat(2, 1fr); }
  .ai-page-layout { grid-template-columns: 235px 1fr; align-items: start; }
  .ai-side { position: sticky; top: 78px; min-height: 620px; padding: 24px 16px; }
  .chat-messages { padding: 26px 24px; }
  .chat-bubble { max-width: 78%; }
  .dialog-head { padding: 24px 28px; }
  .dialog-body { padding: 28px; }
  .nav-dialog-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1100px) {
  .masthead-actions { display: flex; }
  .mobile-actions { display: none; }
  .nav-inner { display: flex; }
  .nav-link { flex: 1; padding-inline: 10px; font-size: .94rem; }
  .quick-grid { grid-template-columns: repeat(6, 1fr); }
  .quick-item, .quick-item:nth-child(2n), .quick-item:nth-child(3n) { min-height: 116px; border-right: 1px solid var(--line); border-bottom: 0; }
  .quick-item:last-child { border-right: 0; }
  .news-grid { grid-template-columns: 1.03fr 1.25fr .82fr; gap: 38px; }
  .notice-panel { grid-column: auto; padding-left: 26px; border-left: 1px solid var(--line); }
  .notice-list { display: block; }
  .policy-grid { grid-template-columns: repeat(4, 1fr); }
  .city-mosaic { grid-template-columns: 1.25fr .75fr .75fr; grid-template-rows: repeat(2, 260px); gap: 10px; }
  .city-tile { min-height: 0; }
  .city-tile:first-child { grid-row: 1 / 3; }
  .city-tile:nth-child(2) { grid-column: 2 / 4; }
  .full-service-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 599px) {
  .demo-bar-inner { align-items: flex-start; }
  .demo-note { display: block; line-height: 1.5; }
  .demo-note strong { display: block; }
  .demo-reference { display: inline-block; margin-top: 2px; }
  .utility-date { display: none; }
  .utility-inner { justify-content: flex-end; }
  .brand-title { letter-spacing: .02em; }
  .brand-subtitle { letter-spacing: .07em; }
  .hero-search { grid-template-columns: 1fr; }
  .hero-search .button { width: 100%; }
  .hero-controls { left: 16px; right: auto; bottom: 74px; }
  .hero-content { padding-bottom: 142px; }
  .section-head { align-items: flex-start; }
  .section-head > .text-link { flex: 0 0 auto; font-size: .78rem; }
  .news-row-title { display: -webkit-box; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
  .chat-head { align-items: flex-start; }
  .chat-form { grid-template-columns: 1fr; }
  .chat-form .button { width: 100%; }
}

/* 细节校正 */
figure { margin: 0; }
.demo-reference { display: inline-flex; align-items: center; gap: 4px; }
.demo-reference .icon, .demo-official .icon { width: 1em; height: 1em; }
.utility-government { display: none; }
.scene-link { width: 100%; border: 0; color: inherit; background: transparent; text-align: left; }
.archive-meta span, .policy-card-footer span, .full-service-item small, .search-result .archive-meta span { display: inline-flex; align-items: center; gap: 5px; }
.archive-meta .icon, .policy-card-footer .icon, .full-service-item small .icon { width: 1em; height: 1em; }
.toast { display: flex; align-items: center; gap: 8px; }
.compare-result { scroll-margin-top: 90px; }
@media (min-width: 820px) { .utility-government { display: inline; } }
.hero-title { white-space: pre-line; }
.inline-search input { flex: 1 1 auto; width: auto; }
.inline-search .button { flex: 0 0 auto; white-space: nowrap; }
/* 材料准备自检 */
.materials-shell { border: 1px solid var(--line); background: var(--surface-raised); }
.materials-body { padding: 20px 14px; }
.materials-body .select-field { margin-block: 20px; }
.material-progress-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 24px; }
.material-progress { color: var(--brand); font-family: ui-monospace, Consolas, monospace; }
.material-progress-track { overflow: hidden; height: 5px; margin-block: 10px 22px; background: var(--line); }
.material-progress-bar { width: 100%; height: 100%; background: var(--brand); transform-origin: left; }
.material-checklist { display: grid; gap: 10px; }
.material-check { display: flex; align-items: flex-start; gap: 12px; min-height: 88px; padding: 16px; border: 1px solid var(--line); background: var(--surface); cursor: pointer; }
.material-check:hover { border-color: var(--brand); }
.material-check.checked { border-color: var(--brand); background: var(--surface-soft); }
.material-check input { width: 22px; height: 22px; flex: 0 0 auto; margin: 2px 0 0; accent-color: var(--brand); }
.material-check strong { display: block; font-size: .9rem; }
.material-check small { display: block; margin-top: 5px; color: var(--ink-muted); font-size: .76rem; }
.material-complete { display: flex; align-items: flex-start; gap: 10px; margin-top: 18px; padding: 16px; color: var(--brand-deep); background: var(--surface-soft); }
.material-complete p { font-size: .82rem; }
.materials-body .dialog-actions { margin-top: 20px; }
@media (min-width: 820px) { .materials-body { padding: 26px 24px; } }