/* 昌邑门户 4.0：以用户任务为主线的现代政务视觉 */
:root {
  --p-blue-600: oklch(0.50 0.17 253);
  --p-blue-800: oklch(0.35 0.125 255);
  --p-blue-900: oklch(0.235 0.075 255);
  --p-ink-900: oklch(0.25 0.025 255);
  --p-ink-600: oklch(0.48 0.025 255);
  --p-red-700: oklch(0.54 0.18 30);
  --brand-cyan: oklch(0.79 0.11 214);
  --brand-mist: oklch(0.972 0.014 245);
  --v3-gold: oklch(0.82 0.13 82);
  --v3-ice: oklch(0.955 0.025 235);
  --v3-radius: 14px;
  --shadow-soft: 0 18px 55px oklch(0.24 0.06 255 / .09);
  --shadow-lift: 0 28px 80px oklch(0.19 0.07 255 / .15);
}

body { background: var(--p-white); letter-spacing: .005em; }
.button { min-height: 48px; border-radius: 7px; box-shadow: 0 7px 20px oklch(0.35 0.12 255 / .10); }
.button-outline { box-shadow: none; }
.badge { border-radius: 4px; }
.section { padding-block: 82px; }
.section-head { margin-bottom: 44px; }
.section-head::after { bottom: -17px; width: 48px; height: 3px; background: linear-gradient(90deg, var(--brand), var(--brand-cyan)); }
.section-title { font-size: clamp(1.9rem, 3.5vw, 2.85rem); letter-spacing: -.015em; }
.section-description { max-width: 680px; line-height: 1.85; }
.kicker { letter-spacing: .2em; }
.prototype-note { border: 1px solid oklch(0.88 0.025 245); border-left: 3px solid var(--brand); background: var(--v3-ice); }

/* 顶部：权威、克制，入口职责清晰 */
.demo-bar { background: oklch(0.19 0.055 255); }
.demo-bar-inner { min-height: 34px; }
.demo-note span { color: var(--on-brand-soft); font-size: .72rem; }
.demo-note strong { letter-spacing: .035em; }
.utility-bar { background: oklch(0.985 0.008 245); }
.utility-links button { gap: 5px; border-radius: 5px; }
.utility-links .care-toggle.active { color: white; background: var(--brand-deep); }
.masthead-inner { min-height: 112px; }
.brand-title { color: var(--brand-night); letter-spacing: .075em; }
.brand-subtitle { color: oklch(0.51 0.03 255); }
.header-search { border-bottom-color: oklch(0.76 0.03 250); }
.smart-entry { border-radius: 9px; }
.ai-entry { border-color: oklch(0.85 0.035 245); background: linear-gradient(135deg, white, var(--v3-ice)); }
.interpretation-entry { border-color: oklch(0.87 0.03 245); background: transparent; }
.primary-nav { background: oklch(0.24 0.075 255 / .97); box-shadow: 0 12px 32px oklch(0.16 0.06 255 / .18); backdrop-filter: blur(18px); }
.nav-link { min-height: 62px; color: oklch(0.92 0.02 245); font-size: .98rem; }
.nav-link::after { left: 26%; right: 26%; height: 3px; background: var(--v3-gold); }
.nav-link:hover, .nav-link.active { color: white; background: oklch(1 0 0 / .055); }
.nav-all { min-height: 62px; border-left-color: oklch(1 0 0 / .15); color: var(--brand-cyan); }

/* 首屏：城市实景与唯一主任务 */
.hero { min-height: max(700px, 82svh); }
.hero-content { min-height: max(700px, 82svh); padding-bottom: 160px; }
.hero-slide::after {
  background:
    linear-gradient(90deg, oklch(0.16 0.065 255 / .94) 0%, oklch(0.20 0.075 255 / .72) 40%, oklch(0.18 0.05 255 / .12) 78%),
    linear-gradient(0deg, oklch(0.14 0.055 255 / .76), transparent 58%);
}
.hero::before {
  content: ""; position: absolute; z-index: 1; inset: 0; pointer-events: none; opacity: .16;
  background-image: linear-gradient(90deg, transparent 49.8%, oklch(1 0 0 / .18) 50%, transparent 50.2%);
  background-size: 25% 100%; mask-image: linear-gradient(90deg, black, transparent 75%);
}
.hero-copy { max-width: 900px; }
.hero-coordinates { color: var(--brand-cyan); letter-spacing: .21em; }
.hero-coordinates::before { width: 44px; height: 2px; background: var(--v3-gold); }
.hero-title { max-width: 11em; font-size: clamp(3rem, 6.2vw, 5.65rem); line-height: 1.14; letter-spacing: .025em; }
.hero-text { max-width: 590px; margin-top: 24px; color: oklch(0.96 0.015 245); }
.hero-search { max-width: 810px; margin-top: 40px; padding: 8px; border-radius: 12px; box-shadow: 0 30px 85px oklch(0.10 0.06 255 / .34); }
.hero-search .button { border-color: var(--brand-deep); background: linear-gradient(120deg, var(--brand), var(--brand-deep)); }
.hero-ai-link { color: white; }
.assistant-mini-logo { width: 30px; height: 30px; }
.hero-river { opacity: .34; }
.hero-controls { bottom: 112px; }
.slide-arrow { backdrop-filter: blur(12px); }
.slide-count b { color: var(--v3-gold); font-size: 1.1rem; }
.hero-scroll-cue { bottom: 80px; }

.quick-services { margin-top: -92px; }
.quick-services-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 40px; padding: 0 4px 14px; color: white; }
.quick-services-head > span { color: var(--brand-cyan); font-size: .72rem; font-weight: 750; letter-spacing: .13em; }
.quick-services-head p { color: var(--on-brand-soft); font-size: .78rem; }
.quick-grid { border-radius: 14px; box-shadow: var(--shadow-lift); }
.quick-item { min-height: 118px; padding: 22px 18px; }
.quick-item::before { content: ""; position: absolute; left: 0; top: 22px; bottom: 22px; width: 3px; background: var(--v3-gold); transform: scaleY(0); transition: transform .25s var(--ease-portal); }
.quick-item:hover::before { transform: scaleY(1); }
.quick-item .icon { width: 31px; height: 31px; stroke-width: 1.45; }
.quick-item strong { font-size: 1rem; }
.quick-item small { margin-top: 5px; }

/* 首页：编辑式新闻、场景服务与非对称节奏 */
.home-news { background: linear-gradient(180deg, white, oklch(0.99 0.006 245)); }
.news-feature-media { border-radius: 14px; aspect-ratio: 16 / 11; }
.news-feature-label { left: 16px; bottom: 16px; padding: 7px 13px; border-radius: 5px; background: var(--v3-gold); color: var(--brand-night); }
.news-feature h3 { margin-top: 24px; font-family: "Noto Serif CJK SC", serif; font-size: clamp(1.4rem, 2vw, 1.85rem); line-height: 1.5; }
.news-row { padding-block: 17px; }
.news-row-title { line-height: 1.65; }
.notice-panel { padding: 26px 24px; border-top: 3px solid var(--brand); border-radius: 0 0 12px 12px; background: var(--brand-mist); }
.notice-panel h3 { border-bottom-color: var(--line-dark); }
.notice-panel .text-link { margin-top: 14px; }

.ai-band { padding-block: 94px; background: radial-gradient(circle at 82% 20%, oklch(0.37 0.12 245 / .75), transparent 36%), linear-gradient(125deg, oklch(0.19 0.07 255), oklch(0.29 0.105 255)); }
.ai-band::before { content: "AI"; position: absolute; left: -30px; bottom: -150px; color: oklch(1 0 0 / .025); font: 900 32rem/1 ui-sans-serif, sans-serif; letter-spacing: -.1em; }
.ai-band .section-title { font-size: clamp(2.4rem, 4.5vw, 4rem); }
.ai-band .section-description { max-width: 650px; }
.ai-capabilities { gap: 10px; margin-top: 34px; background: transparent; }
.ai-capability { border: 1px solid oklch(1 0 0 / .17); border-radius: 9px; background: oklch(1 0 0 / .055); backdrop-filter: blur(8px); }
.ai-capability:hover { border-color: var(--brand-cyan); background: oklch(1 0 0 / .11); }
.ai-task { border: 1px solid oklch(1 0 0 / .20); border-radius: 18px; color: var(--ink); background: oklch(0.98 0.01 245 / .97); box-shadow: 0 35px 90px oklch(0.10 0.07 255 / .28); }
.ai-task-tag { color: var(--ink-muted); letter-spacing: .08em; }
.ai-task .task-step::before { background: var(--line); }
.ai-task .task-step small { color: var(--ink-muted); }
.task-number { color: var(--brand); }
.ai-task-actions .button { box-shadow: none; }

#services-home { background: var(--v3-ice); }
#services-home .tab-list { width: fit-content; padding: 4px; gap: 4px; border: 1px solid var(--line); border-radius: 9px; background: white; }
#services-home .tab-button { min-width: 116px; padding: 8px 18px; border-radius: 6px; }
#services-home .tab-button::after { display: none; }
#services-home .tab-button.active { color: white; background: var(--brand-deep); }
.service-layout { margin-top: 28px; }
.service-grid { gap: 10px; border: 0; }
.service-item { min-height: 108px; padding: 20px; border: 1px solid var(--line); border-radius: 10px; }
.service-item:hover { border-color: var(--brand); box-shadow: var(--shadow-soft); transform: translateY(-2px); }
.scene-panel { border-radius: 14px; background: radial-gradient(circle at 100% 0, oklch(0.44 0.12 245), transparent 42%), var(--brand-night); box-shadow: var(--shadow-lift); }
.scene-panel .kicker { color: var(--brand-cyan); }
.scene-link { border-bottom-color: oklch(1 0 0 / .16); }

.home-policies { background: white; }
.policy-grid { counter-reset: policy; gap: 0; border-top: 1px solid var(--line-dark); }
.policy-card { counter-increment: policy; position: relative; min-height: 290px; padding: 30px 24px; border: 0; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); border-radius: 0; }
.policy-card:first-child { border-left: 1px solid var(--line); }
.policy-card::before { content: "0" counter(policy); display: block; margin-bottom: 28px; color: var(--line-dark); font: .8rem ui-monospace, monospace; }
.policy-card::after { content: ""; position: absolute; left: 0; right: 0; top: -1px; height: 4px; background: linear-gradient(90deg, var(--brand), var(--brand-cyan)); transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease-portal); }
.policy-card:hover { border-color: var(--line); background: var(--brand-mist); transform: none; }
.policy-card:hover::after { transform: scaleX(1); }
.policy-card h3 { line-height: 1.6; }

.home-city { overflow: hidden; background: oklch(0.965 0.018 245); }
.city-mosaic { gap: 14px; }
.city-tile { border-radius: 12px; }
.city-tile::after { inset: 25% 0 0; background: linear-gradient(transparent, oklch(0.12 0.05 255 / .9)); }
.city-tile-copy { left: 24px; right: 24px; bottom: 22px; }
.city-fact strong { color: var(--brand-deep); }

.home-open { background: white; }
.open-directory { gap: 10px; border: 0; }
.open-link { min-height: 106px; padding: 20px; border: 1px solid var(--line); border-radius: 9px; }
.open-link:hover { border-color: var(--brand); }
.page-side-note { padding: 32px; border: 0; border-top: 4px solid var(--v3-gold); border-radius: 0 0 12px 12px; background: var(--brand-mist); }
.home-interaction { background: var(--v3-ice); }
.hotline-card { position: relative; overflow: hidden; border-radius: 16px; background: linear-gradient(145deg, oklch(0.56 0.19 30), oklch(0.45 0.16 22)); }
.hotline-number { font-size: clamp(3.6rem, 7vw, 5.6rem); letter-spacing: -.02em; }
.survey-panel { border: 0; border-radius: 16px; box-shadow: var(--shadow-soft); }

/* 频道页共同语言 */
.page-hero { min-height: 270px; display: flex; align-items: center; padding-block: 58px; background: radial-gradient(circle at 80% 30%, oklch(0.43 0.14 245 / .72), transparent 33%), linear-gradient(120deg, oklch(0.20 0.07 255), oklch(0.32 0.12 255)); }
.page-hero h1 { margin-top: 16px; font-size: clamp(2.5rem, 4.5vw, 4rem); letter-spacing: .02em; }
.page-hero p { max-width: 790px; font-size: 1.02rem; }
.page-hero .breadcrumb { color: var(--brand-cyan); }
.page-hero-watermark { position: absolute; right: -18px; bottom: -42px; color: oklch(1 0 0 / .045); font: 800 clamp(5rem, 13vw, 11rem)/1 ui-sans-serif, sans-serif; letter-spacing: -.06em; pointer-events: none; }
.channel-lead { padding-block: 58px; background: var(--v3-ice); }
.channel-lead-story, .channel-focus { border-radius: 16px; }
.channel-focus { overflow: hidden; background: radial-gradient(circle at 100% 0, oklch(0.38 0.12 245), transparent 40%), var(--brand-night); }
.channel-focus .kicker { color: var(--brand-cyan); }
.archive-item:hover { padding-left: 8px; }
.channel-sidebar > section { border-radius: 12px; }
.service-command, .disclosure-command { background: radial-gradient(circle at 85% 10%, oklch(0.40 0.13 245 / .65), transparent 34%), linear-gradient(120deg, var(--brand-night), var(--brand-deep)); }
.service-command .service-filter { border-radius: 12px 12px 0 0; }
.full-service-item, .scene-card, .data-card, .accountability-feature { border-radius: 12px; }
.service-assurance, .compare-panel { border-radius: 14px; }
.disclosure-gateway { border-radius: 0 0 14px 14px; overflow: hidden; }
.interpretation-panel { border-radius: 14px; }
.application-aside { border-radius: 0 0 12px 12px; }
.accountability-note, .data-services { border-radius: 14px; }
.topic-feature .container > a { border-radius: 16px; }
.topic-card { border-radius: 12px; }

/* 公共数据：深色区域的完整可读性 */
.data-intro { padding: 34px; border-radius: 16px; color: white; background: radial-gradient(circle at 85% 10%, oklch(0.43 0.13 240 / .65), transparent 35%), linear-gradient(125deg, var(--brand-night), var(--brand-deep)); }
.data-intro h2, .data-intro h3 { color: white; }
.data-intro p { color: var(--on-brand-soft); line-height: 1.85; }
.data-intro .button { flex-shrink: 0; box-shadow: none; }
.data-journey > div { padding: 26px 22px; }
.data-card { overflow: hidden; }

/* 互动交流：诉求、查询、参与、公开四条路径 */
.interaction-command { position: relative; padding-block: 56px 68px; background: var(--v3-ice); }
.interaction-command::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5; background-image: radial-gradient(oklch(0.65 0.06 245 / .20) .8px, transparent .8px); background-size: 22px 22px; mask-image: linear-gradient(90deg, black, transparent 65%); }
.interaction-command-head { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
.interaction-command-head h2 { margin-top: 10px; font-family: "Noto Serif CJK SC", serif; font-size: clamp(1.9rem, 3.5vw, 2.8rem); }
.interaction-command-head p { margin-top: 9px; color: var(--ink-muted); }
.interaction-live { display: inline-flex; align-items: center; gap: 8px; color: var(--brand); font-size: .76rem; font-weight: 750; letter-spacing: .08em; }
.interaction-live i { width: 7px; height: 7px; border-radius: 50%; background: oklch(0.65 0.16 150); box-shadow: 0 0 0 5px oklch(0.65 0.16 150 / .12); }
.interaction-query { display: flex; align-items: center; gap: 13px; min-width: 285px; padding: 18px 20px; border: 1px solid var(--line-dark); border-radius: 12px; background: oklch(1 0 0 / .70); }
.interaction-query > .icon:first-child { color: var(--brand); }
.interaction-query > .icon:last-child { width: 16px; margin-left: auto; color: var(--ink-muted); }
.interaction-query strong, .interaction-query small { display: block; }
.interaction-query small { margin-top: 3px; color: var(--ink-muted); font-size: .7rem; }
.interaction-command-grid { position: relative; display: grid; gap: 22px; }
.interaction-actions { display: grid; gap: 14px; }
.interaction-action { position: relative; display: flex; align-items: center; gap: 18px; min-height: 148px; padding: 26px 24px; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: white; box-shadow: 0 10px 30px oklch(0.25 0.06 255 / .045); transition: transform .25s var(--ease-portal), box-shadow .25s, border-color .25s; }
.interaction-action:hover { border-color: var(--brand); box-shadow: var(--shadow-soft); transform: translateY(-3px); }
.interaction-action:first-child { border-color: transparent; color: white; background: radial-gradient(circle at 90% 0, oklch(0.48 0.14 240 / .75), transparent 44%), linear-gradient(125deg, var(--brand-deep), var(--brand-night)); }
.interaction-action-no { position: absolute; right: 18px; top: 12px; color: var(--line); font: .75rem ui-monospace, monospace; }
.interaction-action:first-child .interaction-action-no { color: oklch(1 0 0 / .24); }
.interaction-action-icon { display: inline-flex; align-items: center; justify-content: center; width: 54px; height: 54px; flex: 0 0 auto; border-radius: 13px; color: var(--brand); background: var(--brand-mist); }
.interaction-action:first-child .interaction-action-icon { color: var(--brand-cyan); background: oklch(1 0 0 / .10); }
.interaction-action h3 { font-size: 1.2rem; }
.interaction-action p { margin-top: 7px; color: var(--ink-muted); font-size: .78rem; }
.interaction-action:first-child p { color: var(--on-brand-soft); }
.interaction-action-arrow { margin-left: auto; color: var(--brand); }
.interaction-action:first-child .interaction-action-arrow { color: var(--brand-cyan); }
.interaction-hotline { position: relative; isolation: isolate; overflow: hidden; min-height: 310px; padding: 32px 28px; border-radius: 16px; color: white; background: linear-gradient(145deg, oklch(0.56 0.19 30), oklch(0.43 0.15 20)); box-shadow: 0 24px 55px oklch(0.42 0.15 25 / .20); }
.interaction-hotline > span { font-size: .8rem; font-weight: 700; letter-spacing: .1em; }
.interaction-hotline > strong { display: block; margin-block: 12px 8px; font: 800 clamp(3.5rem, 6vw, 5rem)/1.1 ui-monospace, monospace; letter-spacing: -.06em; }
.interaction-hotline p { position: relative; z-index: 1; color: oklch(0.96 0.025 35); font-size: .8rem; line-height: 1.8; }
.interaction-hotline a { position: relative; z-index: 1; display: inline-flex; align-items: center; gap: 6px; margin-top: 24px; padding-bottom: 4px; border-bottom: 1px solid oklch(1 0 0 / .55); font-size: .78rem; font-weight: 700; }
.hotline-ripple { position: absolute; right: -110px; bottom: -140px; width: 310px; height: 310px; border: 1px solid oklch(1 0 0 / .18); border-radius: 50%; box-shadow: 0 0 0 48px oklch(1 0 0 / .04), 0 0 0 96px oklch(1 0 0 / .03); }
.interaction-body { padding-top: 34px; }
.interaction-note { margin-bottom: 70px; }
.reply-section, .participation-section, .interview-section { scroll-margin-top: 90px; }
.reply-layout { display: grid; gap: 24px; }
.reply-list { border-top: 2px solid var(--brand-night); }
.reply-item { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 10px 14px; align-items: center; padding: 21px 4px; border-bottom: 1px solid var(--line); }
.reply-index { color: var(--line-dark); font: .72rem ui-monospace, monospace; }
.reply-tag { color: var(--brand); font-size: .67rem; font-weight: 750; }
.reply-item h3 { margin-top: 5px; font-size: .96rem; font-weight: 650; line-height: 1.55; }
.reply-item time { grid-column: 2; color: var(--ink-muted); font: .68rem ui-monospace, monospace; }
.reply-item > .icon { display: none; }
.reply-item:hover h3 { color: var(--brand); }
.reply-guide { position: relative; overflow: hidden; align-self: start; padding: 34px 28px; border-radius: 14px; color: white; background: radial-gradient(circle at 100% 0, oklch(0.40 0.12 245), transparent 45%), var(--brand-night); }
.reply-guide .kicker { color: var(--brand-cyan); }
.reply-guide h3 { position: relative; z-index: 1; margin-top: 15px; font-family: "Noto Serif CJK SC", serif; font-size: 1.45rem; line-height: 1.55; }
.reply-guide > p { position: relative; z-index: 1; margin-top: 15px; color: var(--on-brand-soft); font-size: .8rem; }
.reply-guide nav { position: relative; z-index: 1; margin-top: 24px; border-top: 1px solid oklch(1 0 0 / .16); }
.reply-guide nav a { display: flex; align-items: center; justify-content: space-between; min-height: 48px; border-bottom: 1px solid oklch(1 0 0 / .13); color: white; font-size: .78rem; }
.reply-guide-mark { position: absolute; right: -8px; top: 10px; color: oklch(1 0 0 / .045); font: 8rem "Noto Serif CJK SC", serif; }
.participation-section { margin-block: 76px; padding: 40px 32px; border-radius: 18px; color: white; background: radial-gradient(circle at 100% 0, oklch(0.38 0.12 245 / .85), transparent 36%), var(--brand-night); }
.participation-head { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 24px; margin-bottom: 32px; }
.participation-head .kicker { color: var(--brand-cyan); }
.participation-head h2 { margin-top: 9px; font-family: "Noto Serif CJK SC", serif; font-size: clamp(1.7rem, 3vw, 2.4rem); }
.participation-head p { max-width: 680px; margin-top: 12px; color: var(--on-brand-soft); font-size: .85rem; }
.participation-links { display: flex; gap: 8px; }
.participation-links a { display: inline-flex; align-items: center; gap: 6px; min-height: 42px; padding: 8px 14px; border: 1px solid oklch(1 0 0 / .24); border-radius: 7px; font-size: .76rem; }
.participation-links a:hover { background: oklch(1 0 0 / .09); }
.participation-list { display: grid; gap: 10px; }
.participation-list > a { position: relative; min-height: 170px; padding: 24px 22px; overflow: hidden; border: 1px solid oklch(1 0 0 / .14); border-radius: 10px; background: oklch(1 0 0 / .055); transition: background .2s, border-color .2s; }
.participation-list > a:hover { border-color: var(--brand-cyan); background: oklch(1 0 0 / .10); }
.participation-status { color: var(--v3-gold); font-size: .67rem; font-weight: 700; }
.participation-list h3 { position: relative; z-index: 1; max-width: 90%; margin-top: 12px; font-size: .9rem; line-height: 1.7; }
.participation-list > a > div { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 20px; color: var(--on-brand-soft); font-size: .66rem; }
.participation-list > a > div span { display: inline-flex; align-items: center; gap: 4px; }
.participation-number { position: absolute; right: 12px; top: 10px; color: oklch(1 0 0 / .07); font: 2.5rem ui-monospace, monospace; }
.interview-grid { display: grid; gap: 16px; }
.interview-card { position: relative; display: flex; flex-direction: column; min-height: 260px; padding: 28px 26px; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: var(--brand-mist); }
.interview-card.featured { color: white; border: 0; background: linear-gradient(0deg, oklch(0.17 0.06 255 / .94), oklch(0.20 0.06 255 / .32)), url('../assets/images/city-04.webp') center/cover; }
.interview-tag { color: var(--brand); font-size: .7rem; font-weight: 750; letter-spacing: .08em; }
.interview-card.featured .interview-tag { color: var(--v3-gold); }
.interview-play { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; margin-top: 28px; border: 1px solid var(--line-dark); border-radius: 50%; color: var(--brand); }
.interview-card.featured .interview-play { border-color: oklch(1 0 0 / .55); color: white; }
.interview-card h3 { margin-top: 20px; font-family: "Noto Serif CJK SC", serif; font-size: 1.05rem; line-height: 1.7; }
.interview-card > div { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: auto; padding-top: 22px; color: var(--ink-muted); font-size: .7rem; }
.interview-card.featured > div { color: var(--on-brand-soft); }
.interview-card:hover { border-color: var(--brand); transform: translateY(-3px); }
.interaction-journey { display: grid; gap: 30px; margin-top: 76px; padding: 36px 30px; border: 1px solid var(--line); border-radius: 14px; background: var(--v3-ice); }
.interaction-journey h2 { margin-top: 8px; font-size: 1.5rem; }
.interaction-journey p { margin-top: 10px; color: var(--ink-muted); font-size: .8rem; }
.interaction-journey ol { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.interaction-journey li { padding-left: 14px; border-left: 2px solid var(--line-dark); }
.interaction-journey li > span { display: block; color: var(--brand); font: .7rem ui-monospace, monospace; }
.interaction-journey li strong, .interaction-journey li small { display: block; }
.interaction-journey li strong { margin-top: 7px; font-size: .85rem; }
.interaction-journey li small { margin-top: 4px; color: var(--ink-muted); font-size: .67rem; }

/* 页脚、悬浮与关怀模式 */
.site-footer { background: radial-gradient(circle at 10% 0, oklch(0.30 0.09 255), transparent 30%), oklch(0.18 0.05 255); }
.site-footer .brand-title, .mobile-menu .brand-title { color: white; }
.footer-main { padding-block: 64px 42px; }
.footer-column h3 { color: var(--brand-cyan); letter-spacing: .06em; }
.float-ai { border-radius: 12px; }
.float-top { border-radius: 9px; }
html.care-mode body { line-height: 1.85; }
html.care-mode .nav-link, html.care-mode .button, html.care-mode .quick-item strong { font-weight: 750; }
html.care-mode .section-description, html.care-mode .meta, html.care-mode .news-row-title { color: var(--ink); }
html.care-mode .hero-content { min-height: 760px; }
html.text-only .page-hero-watermark, html.text-only .hero-river, html.text-only .hotline-ripple { display: none; }
html.text-only .interview-card.featured { color: var(--ink); background: var(--brand-mist); }
html.text-only .interview-card.featured .interview-tag, html.text-only .interview-card.featured > div { color: var(--brand); }
html.text-only .interview-card.featured .interview-play { color: var(--brand); border-color: var(--line-dark); }
html.high-contrast .data-intro p, html.high-contrast .interaction-hotline p { color: white; }

@media (min-width: 600px) {
  .interaction-actions { grid-template-columns: repeat(2, 1fr); }
  .reply-item { grid-template-columns: 34px minmax(0, 1fr) auto 18px; padding: 22px 8px; }
  .reply-item time { grid-column: auto; }
  .reply-item > .icon { display: block; width: 15px; color: var(--ink-muted); }
  .participation-list { grid-template-columns: repeat(2, 1fr); }
  .participation-list > a:last-child { grid-column: 1 / -1; }
}

@media (min-width: 820px) {
  .section { padding-block: 104px; }
  .interaction-command-grid { grid-template-columns: minmax(0, 1fr) 290px; }
  .reply-layout { grid-template-columns: minmax(0, 1fr) 320px; gap: 38px; }
  .interview-grid { grid-template-columns: 1.2fr 1fr 1fr; }
  .interaction-journey { grid-template-columns: .8fr 1.2fr; align-items: center; }
  .interaction-journey ol { grid-template-columns: repeat(4, 1fr); }
  .data-intro { padding: 40px 44px; }
}

@media (min-width: 1100px) {
  .quick-item { flex-direction: column; align-items: flex-start; justify-content: center; gap: 12px; }
  .ai-band-grid { align-items: center; gap: 76px; }
  .policy-card { padding-inline: 26px; }
  .service-tool-strip { grid-template-columns: repeat(3, 1fr); }
  .interaction-command-grid { grid-template-columns: minmax(0, 1fr) 320px; gap: 26px; }
  .interaction-action { min-height: 154px; }
  .interaction-hotline { min-height: 322px; }
}

@media (max-width: 819px) {
  .section { padding-block: 68px; }
  .page-hero { min-height: 235px; }
  .page-hero-watermark { font-size: 6rem; }
  .interaction-command-head { align-items: flex-start; flex-direction: column; }
  .interaction-query { width: 100%; min-width: 0; }
  .interaction-hotline { min-height: 280px; }
  .reply-guide { margin-top: 10px; }
  .participation-section { margin-block: 58px; }
  .interview-card { min-height: 230px; }
}

@media (max-width: 599px) {
  .demo-note span { display: none; }
  .masthead-inner { min-height: 88px; gap: 8px; }
  .brand { gap: 8px; }
  .brand-logo { width: 38px; height: 47px; }
  .brand-title { font-size: 1.22rem; letter-spacing: .03em; white-space: nowrap; }
  .brand-subtitle { max-width: 185px; font-size: .52rem; letter-spacing: .08em; }
  .mobile-actions { gap: 0; flex: 0 0 auto; }
  .mobile-actions .icon-button { width: 36px; min-width: 36px; padding-inline: 7px; }
  .hero { min-height: 700px; }
  .hero-content { min-height: 700px; padding-top: 28px; padding-bottom: 142px; }
  .hero-title { font-size: clamp(2.35rem, 11vw, 3.25rem); line-height: 1.2; }
  .hero-text { margin-top: 18px; font-size: .96rem; }
  .hero-search { margin-top: 28px; }
  .hero-search .button { padding-inline: 14px; }
  .hero-controls { bottom: 84px; }
  .quick-services { margin-top: -65px; }
  .quick-services-head { padding-bottom: 10px; }
  .quick-services-head p { display: none; }
  .quick-item { min-height: 104px; padding: 16px 13px; gap: 10px; }
  .quick-item .icon { width: 25px; height: 25px; }
  .quick-item strong { font-size: .86rem; }
  .quick-item small { font-size: .62rem; }
  .section-head { margin-bottom: 36px; }
  .notice-panel { padding: 24px 20px; }
  .ai-band { padding-block: 72px; }
  .ai-band::before { font-size: 20rem; }
  .ai-task { border-radius: 14px; }
  .service-grid { gap: 8px; }
  .service-item { min-height: 100px; padding: 15px 12px; }
  .policy-card { min-height: 0; border-left: 1px solid var(--line); }
  .policy-card::before { margin-bottom: 20px; }
  .open-directory { gap: 8px; }
  .open-link { padding: 15px 12px; }
  .page-hero { min-height: 220px; padding-block: 42px; }
  .page-hero h1 { font-size: 2.35rem; }
  .page-hero p { font-size: .9rem; }
  .page-hero-watermark { right: -10px; bottom: -20px; font-size: 4.7rem; }
  .data-intro { padding: 26px 22px; }
  .data-intro .button { width: 100%; }
  .interaction-command { padding-block: 38px 46px; }
  .interaction-command-head { margin-bottom: 24px; }
  .interaction-actions { gap: 10px; }
  .interaction-action { min-height: 128px; padding: 22px 18px; gap: 13px; }
  .interaction-action-icon { width: 46px; height: 46px; }
  .interaction-action h3 { font-size: 1.05rem; }
  .interaction-action p { font-size: .72rem; }
  .interaction-action-arrow { display: none; }
  .interaction-hotline { padding: 28px 24px; }
  .interaction-note { margin-bottom: 52px; }
  .reply-item { padding-block: 19px; }
  .reply-guide { padding: 28px 22px; }
  .participation-section { margin-inline: -4px; padding: 28px 20px; border-radius: 14px; }
  .participation-head { align-items: flex-start; flex-direction: column; }
  .participation-list > a { min-height: 180px; padding: 22px 18px; }
  .participation-list > a > div { align-items: flex-start; flex-direction: column; gap: 6px; }
  .interview-card { padding: 24px 22px; }
  .interaction-journey { margin-top: 58px; padding: 28px 22px; }
  .interaction-journey ol { gap: 18px 12px; }
  .footer-main { padding-block: 48px 34px; }
  html.care-mode .hero, html.care-mode .hero-content { min-height: 790px; }
  html.care-mode .brand-subtitle { display: none; }
  html.care-mode .mobile-policy-entry { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .interaction-action, .interview-card, .service-item { transition: none; }
}