/* 中文注释：整站采用静态 CSS，无远程字体和第三方 UI 依赖。 */
:root {
  --ink: #111817;
  --muted: #64716d;
  --soft: #8a9691;
  --line: #d8e3df;
  --paper: #ffffff;
  --canvas: #f3f7f5;
  --panel: #eef5f2;
  --rail: #121917;
  --rail-2: #1d2925;
  --blue: #1768c8;
  --cyan: #1497b8;
  --green: #0f8a62;
  --mint: #bdf4d4;
  --amber: #b98016;
  --red: #c6423a;
  --shadow: 0 16px 42px rgba(17, 24, 23, 0.11);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(17, 24, 23, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(17, 24, 23, 0.035) 1px, transparent 1px),
    var(--canvas);
  background-size: 34px 34px;
  font-family: Aptos, "IBM Plex Sans", "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  height: auto;
}

.site-shell {
  min-height: 100vh;
  padding-left: 252px;
}

.market-ribbon {
  border-bottom: 1px solid var(--line);
  background: #fff;
  overflow: hidden;
}

.market-ribbon-bar {
  min-height: 38px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 16px;
  padding: 0 18px;
}

.market-ribbon-label {
  display: grid;
  gap: 1px;
  white-space: nowrap;
}

.market-ribbon-label strong {
  color: var(--ink);
  font-size: 12px;
  line-height: 1;
  text-transform: uppercase;
}

.market-ribbon-label small {
  color: var(--soft);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.market-ribbon-viewport {
  min-width: 0;
  overflow: hidden;
}

.market-ribbon-track {
  width: max-content;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 8px 0;
  will-change: transform;
}

.market-ribbon-track.is-animated {
  animation: market-scroll 42s linear infinite;
}

.market-ribbon:hover .market-ribbon-track.is-animated {
  animation-play-state: paused;
}

.market-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 0 0 14px;
  border-left: 1px solid var(--line);
  color: var(--ink);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.market-pill:first-child {
  border-left: none;
  padding-left: 0;
}

.market-pill b {
  font-size: 13px;
}

.market-pill strong {
  font-size: 14px;
}

.market-pill em {
  font-style: normal;
}

.market-pill.up em {
  color: var(--green);
}

.market-pill.down em {
  color: var(--red);
}

.market-pill.neutral em,
.market-pill.neutral {
  color: var(--soft);
}

.topbar {
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: 252px;
  z-index: 40;
  min-height: 100vh;
  color: #f3fff9;
  background:
    linear-gradient(135deg, rgba(18, 25, 23, 0.98), rgba(29, 41, 37, 0.98)),
    repeating-linear-gradient(135deg, rgba(189, 244, 212, 0.07) 0 1px, transparent 1px 12px);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.topbar-inner {
  min-height: 100vh;
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.brand {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  align-items: center;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(189, 244, 212, 0.4);
  border-radius: 8px;
  background:
    radial-gradient(circle at 72% 22%, rgba(255, 224, 138, 0.94), transparent 24px),
    linear-gradient(135deg, var(--mint), #64d6e9 56%, #1768c8);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.34), 0 12px 24px rgba(7, 16, 13, 0.22);
}

.brand-mark-car {
  position: relative;
  width: 29px;
  height: 18px;
  display: block;
}

.brand-mark-car::before {
  content: "";
  position: absolute;
  left: 2px;
  right: 1px;
  top: 5px;
  height: 9px;
  border-radius: 8px 10px 5px 5px;
  background: #07100d;
  box-shadow: 0 -5px 0 -1px rgba(7, 16, 13, 0.84);
  transform: skewX(-12deg);
}

.brand-mark-car::after {
  content: "";
  position: absolute;
  left: 4px;
  bottom: 0;
  width: 21px;
  height: 7px;
  border: 3px solid #07100d;
  border-top: 0;
  border-radius: 0 0 999px 999px;
  box-shadow: 13px 0 0 -3px #07100d, -10px 0 0 -3px #07100d;
}

.brand strong,
.brand small {
  display: block;
  letter-spacing: 0;
}

.brand strong {
  font-size: 18px;
  line-height: 1.05;
}

.brand small {
  margin-top: 2px;
  color: rgba(243, 255, 249, 0.66);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.nav-toggle,
.nav-overlay {
  display: none;
}

.nav {
  display: grid;
  gap: 7px;
}

.nav a {
  min-height: 40px;
  display: flex;
  align-items: center;
  padding: 9px 11px;
  border: 1px solid transparent;
  border-radius: 8px;
  color: rgba(243, 255, 249, 0.78);
  font-size: 14px;
  font-weight: 800;
}

.nav a:hover,
.nav a:focus {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.07);
}

.nav a[aria-current="page"] {
  color: #07100d;
  background: var(--mint);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

main {
  min-width: 0;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.hero {
  position: relative;
  overflow: hidden;
  color: #f6fff9;
  background: linear-gradient(135deg, #121917, #1497b8);
  border-bottom: 1px solid rgba(17, 24, 23, 0.12);
}

.hero-cover-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card-media {
  position: relative;
  min-height: 170px;
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 10px;
  padding: 14px;
  color: #fff;
  overflow: hidden;
}

.article-cover {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: end;
  gap: 7px;
  padding: 16px;
  border-radius: 8px;
  color: #fff;
  overflow: hidden;
}

.tool-visual {
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 14px;
  padding: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #fff;
}

.hero::before {
  content: none;
}

.card-media::before {
  content: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  min-height: 520px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(330px, 0.78fr);
  gap: 28px;
  align-items: center;
  padding: 58px 0 46px;
}

.hero-copy-block {
  max-width: 790px;
}

.eyebrow,
.section-kicker,
.panel-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.hero .eyebrow,
.hero .panel-label {
  color: var(--mint);
}

.hero h1 {
  max-width: 780px;
  margin: 10px 0 0;
  font-size: 64px;
  line-height: 0.98;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 760px;
  margin: 18px 0 0;
  color: rgba(246, 255, 249, 0.82);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-mini-grid {
  width: min(620px, 100%);
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 26px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  background: rgba(255, 255, 255, 0.14);
}

.hero-mini-grid span {
  min-height: 46px;
  display: grid;
  place-items: center;
  padding: 8px;
  background: rgba(6, 18, 15, 0.45);
  color: rgba(246, 255, 249, 0.8);
  font-size: 12px;
  font-weight: 800;
  text-align: center;
}

.button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.button-primary {
  color: #07100d;
  background: var(--mint);
}

.button-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.08);
}

.button-dark {
  color: #fff;
  background: var(--rail);
}

.button-line {
  color: var(--ink);
  border-color: var(--line);
  background: #fff;
}

.button:hover,
.button:focus {
  transform: translateY(-1px);
}

.icon-button {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
  font: inherit;
  font-size: 28px;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
}

.icon-button:hover,
.icon-button:focus {
  border-color: rgba(20, 151, 184, 0.42);
  color: var(--green);
}

.ai-panel,
.work-card,
.side-panel,
.result-item,
.article-main {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.ai-panel {
  padding: 20px;
  color: #f6fff9;
  border-color: rgba(255, 255, 255, 0.18);
  background:
    linear-gradient(180deg, rgba(13, 24, 21, 0.9), rgba(15, 44, 38, 0.82)),
    repeating-linear-gradient(90deg, rgba(189, 244, 212, 0.08) 0 1px, transparent 1px 12px);
}

.ai-panel h2 {
  margin: 8px 0 14px;
  font-size: 24px;
  line-height: 1.1;
}

.ai-input-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.ai-input-row input,
.search-input,
.filter-select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--ink);
  font: inherit;
  background: #fff;
}

.ai-input-row input:focus,
.search-input:focus,
.filter-select:focus {
  outline: 2px solid rgba(20, 151, 184, 0.25);
  border-color: var(--cyan);
}

.ai-answer {
  margin-top: 12px;
  padding: 12px;
  border: 1px solid rgba(189, 244, 212, 0.18);
  border-radius: 8px;
  color: rgba(246, 255, 249, 0.86);
  background: rgba(255, 255, 255, 0.08);
}

.console-stack {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.console-stack span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 9px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  color: rgba(246, 255, 249, 0.74);
  background: rgba(255, 255, 255, 0.06);
  font-size: 13px;
}

.console-stack strong {
  color: var(--mint);
  font-size: 18px;
}

.lens-stack span {
  justify-content: flex-start;
  color: rgba(246, 255, 249, 0.82);
}

.frontier-band {
  padding: 46px 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(238, 245, 242, 0.82)),
    repeating-linear-gradient(90deg, rgba(15, 138, 98, 0.08) 0 1px, transparent 1px 16px);
  border-bottom: 1px solid var(--line);
}

.carousel-controls {
  display: inline-flex;
  gap: 8px;
}

.frontier-carousel {
  position: relative;
}

.frontier-track {
  min-height: 430px;
}

.frontier-slide {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
  gap: 16px;
  align-items: stretch;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.frontier-slide[hidden] {
  display: none;
}

.frontier-visual {
  min-height: 430px;
  display: flex;
  align-items: flex-end;
  padding: 18px;
  color: #fff;
  background:
    linear-gradient(180deg, rgba(6, 16, 14, 0), rgba(6, 16, 14, 0.58)),
    var(--frontier-image, linear-gradient(135deg, #0f8a62, #1497b8));
  background-size: cover;
  background-position: center;
}

.frontier-visual span {
  padding: 7px 9px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background: rgba(8, 17, 15, 0.5);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.frontier-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 14px;
  padding: 28px;
}

.frontier-copy h3 {
  margin: 0;
  color: var(--ink);
  font-size: 34px;
  line-height: 1.08;
}

.frontier-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
}

.frontier-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.frontier-tags span {
  padding: 5px 8px;
  border: 1px solid rgba(15, 138, 98, 0.18);
  border-radius: 8px;
  color: var(--green);
  background: #edf8f3;
  font-size: 12px;
  font-weight: 900;
}

.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 7px;
  margin-top: 14px;
}

.carousel-dots button {
  width: 28px;
  height: 6px;
  border: 0;
  border-radius: 999px;
  background: #b7c7c1;
  cursor: pointer;
}

.carousel-dots button[aria-current="true"] {
  width: 44px;
  background: var(--green);
}

.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.stat {
  min-height: 106px;
  padding: 22px 24px;
  background:
    linear-gradient(180deg, #ffffff, #f4faf7),
    repeating-linear-gradient(90deg, rgba(15, 138, 98, 0.08) 0 1px, transparent 1px 10px);
}

.stat strong {
  display: block;
  color: var(--ink);
  font-size: 34px;
  line-height: 1;
}

.stat span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.section-band {
  padding: 46px 0;
}

.section-band.alt {
  background: rgba(255, 255, 255, 0.58);
  border-top: 1px solid rgba(216, 227, 223, 0.72);
  border-bottom: 1px solid rgba(216, 227, 223, 0.72);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.section-head h1,
.section-head h2,
.page-title {
  margin: 4px 0 0;
  color: var(--ink);
  font-size: 36px;
  line-height: 1.08;
  letter-spacing: 0;
}

.section-head p {
  max-width: 720px;
  margin: 8px 0 0;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 16px;
}

.grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.article-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.article-card:hover {
  transform: translateY(-3px);
  border-color: rgba(20, 151, 184, 0.42);
  box-shadow: 0 18px 40px rgba(17, 24, 23, 0.13);
}

.card-media {
  position: relative;
  min-height: 170px;
  aspect-ratio: 16 / 10;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 10px;
  padding: 14px;
  color: #fff;
  overflow: hidden;
  background-image: var(--card-image);
  background-size: cover;
  background-position: center;
}

.card-media::before {
  content: none;
}

.article-card.no-image .card-media {
  background: linear-gradient(135deg, rgba(15, 138, 98, 0.94), rgba(20, 151, 184, 0.88));
}

.cover-kicker,
.cover-date {
  position: relative;
  z-index: 1;
  max-width: 70%;
  padding: 6px 8px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  background: rgba(8, 17, 15, 0.48);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.cover-date {
  max-width: 42%;
  color: rgba(255, 255, 255, 0.78);
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  padding: 16px;
}

.meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: var(--soft);
  font-size: 12px;
  font-weight: 800;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border-radius: 8px;
  color: #fff;
  background: var(--green);
  font-size: 12px;
  font-weight: 900;
}

.pill.blue {
  background: var(--blue);
}

.pill.amber {
  background: var(--amber);
}

.pill.red {
  background: var(--red);
}

.article-card h3 {
  margin: 0;
  font-size: 18px;
  line-height: 1.28;
}

.article-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.lazy-sentinel {
  display: flex;
  justify-content: center;
  padding: 22px 0 4px;
  color: var(--soft);
  font-size: 13px;
  font-weight: 800;
}

.lazy-sentinel span {
  min-height: 34px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.74);
}

.topic-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.topic-chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 36px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
}

.topic-chip span {
  color: var(--green);
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 310px;
  gap: 22px;
  align-items: start;
  padding: 32px 0 56px;
}

.article-main {
  min-width: 0;
  padding: 24px;
}

.article-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 20px;
  align-items: stretch;
  margin-bottom: 18px;
}

.article-title-block {
  min-width: 0;
}

.article-hero h1 {
  margin: 10px 0 12px;
  color: var(--ink);
  font-size: 44px;
  line-height: 1.04;
  letter-spacing: 0;
}

.article-subtitle {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 18px;
}

.article-cover {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: end;
  gap: 7px;
  padding: 16px;
  border-radius: 8px;
  color: #fff;
  overflow: hidden;
}

.article-cover.no-image {
  background: linear-gradient(135deg, rgba(18, 25, 23, 0.94), rgba(20, 151, 184, 0.84));
}

.article-cover span,
.article-cover small {
  color: rgba(255, 255, 255, 0.76);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.article-cover strong {
  font-size: 22px;
  line-height: 1.12;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 14px 0 0;
}

.tag-list a,
.tag-list span {
  max-width: 100%;
  padding: 5px 8px;
  border: 1px solid rgba(15, 138, 98, 0.18);
  border-radius: 8px;
  background: #edf8f3;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
}

.article-toolbar {
  display: flex;
  justify-content: flex-start;
  margin: 16px 0;
}

.article-content {
  color: #1f2926;
  font-size: 16px;
}

.article-content h2 {
  margin: 34px 0 10px;
  padding-top: 14px;
  color: var(--ink);
  border-top: 1px solid var(--line);
  font-size: 26px;
  line-height: 1.18;
}

.article-content h3 {
  margin: 24px 0 8px;
  color: var(--ink);
  font-size: 21px;
}

.article-content p {
  margin: 12px 0;
}

.article-content a {
  color: var(--blue);
  font-weight: 800;
}

.article-content img {
  display: block;
  width: min(100%, 920px);
  max-height: 680px;
  object-fit: contain;
  margin: 18px auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f7fbf9;
}

.article-figure figcaption {
  margin: -6px auto 18px;
  width: min(100%, 920px);
  color: var(--soft);
  font-size: 12px;
  font-weight: 800;
  text-align: right;
}

.article-figure figcaption a {
  color: var(--muted);
}

.article-content table {
  width: 100%;
  margin: 18px 0;
  border-collapse: collapse;
  display: block;
  overflow-x: auto;
  font-size: 14px;
}

.article-content th,
.article-content td {
  min-width: 120px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  vertical-align: top;
}

.article-content th {
  background: #e9f5f1;
  color: var(--ink);
}

.reconstructed-note {
  margin: 22px 0;
  padding: 14px 16px;
  border: 1px solid rgba(185, 128, 22, 0.26);
  border-left: 4px solid var(--amber);
  border-radius: 8px;
  background: #fff8e9;
}

.reconstructed-note h2 {
  margin-top: 0;
  border-top: none;
}

.sidebar {
  position: sticky;
  top: 24px;
  display: grid;
  gap: 14px;
}

.side-panel {
  padding: 16px;
  box-shadow: none;
}

.side-panel h2 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 17px;
}

.side-panel p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.side-panel ul {
  margin: 0;
  padding-left: 18px;
}

.side-panel li {
  margin: 8px 0;
  color: var(--muted);
}

.side-panel a {
  color: var(--ink);
  font-weight: 900;
}

.metric-panel {
  background: linear-gradient(180deg, #ffffff, #f4faf7);
}

.search-panel {
  display: grid;
  grid-template-columns: 1fr 230px;
  gap: 10px;
  margin: 22px 0;
}

.results-list {
  display: grid;
  gap: 12px;
}

.result-item {
  padding: 16px;
  box-shadow: none;
}

.result-item h3 {
  margin: 4px 0 8px;
  color: var(--ink);
}

.result-item p {
  margin: 0;
  color: var(--muted);
}

.ai-workbench {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: 18px;
  align-items: start;
  padding: 34px 0 56px;
}

.work-card {
  padding: 22px;
}

.work-card h1,
.work-card h2 {
  margin: 4px 0 10px;
  color: var(--ink);
}

.work-card p {
  color: var(--muted);
}

.answer-box {
  min-height: 230px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, #f8fcfa, #eef6f2),
    repeating-linear-gradient(90deg, rgba(15, 138, 98, 0.08) 0 1px, transparent 1px 10px);
}

.answer-box h3 {
  margin-top: 0;
}

.source-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.source-list a {
  display: block;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-weight: 900;
}

.source-list small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-weight: 700;
}

.tools-layout {
  display: grid;
  gap: 18px;
  padding: 34px 0 56px;
}

.tools-hero {
  background:
    linear-gradient(135deg, rgba(9, 25, 20, 0.97), rgba(15, 138, 98, 0.86)),
    repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.12) 0 1px, transparent 1px 14px);
  color: #f6fff9;
}

.tools-hero .section-kicker,
.tools-hero p,
.tools-hero h1 {
  color: inherit;
}

.tool-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.tool-chip-row span {
  padding: 6px 10px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
  font-size: 12px;
  font-weight: 900;
}

.tools-grid {
  display: grid;
  grid-template-columns: minmax(320px, 0.88fr) minmax(0, 1.12fr);
  gap: 18px;
  align-items: start;
}

.tool-panel-stack {
  display: grid;
  gap: 18px;
}

.calculator-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.calculator-form label {
  display: grid;
  gap: 6px;
}

.calculator-form span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.calculator-form input,
.calculator-form select {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  color: var(--ink);
  font: inherit;
  background: #fff;
}

.calculator-form input:focus,
.calculator-form select:focus {
  outline: 2px solid rgba(20, 151, 184, 0.25);
  border-color: var(--cyan);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.metric-tile {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #f4faf7);
}

.metric-tile small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.metric-tile strong {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-size: 28px;
  line-height: 1.04;
}

.cost-breakdown {
  display: grid;
  gap: 8px;
  margin-top: 18px;
}

.breakdown-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.breakdown-row strong {
  color: var(--ink);
}

.compact-box {
  min-height: 0;
  margin-top: 18px;
}

.compact-box p {
  margin: 8px 0;
}

.note-line {
  color: var(--soft);
  font-size: 12px;
  font-weight: 800;
}

.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.scenario-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(180deg, #ffffff, #f6faf8);
}

.scenario-card small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.scenario-card strong {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-size: 24px;
  line-height: 1.06;
}

.scenario-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.pack-chem-grid {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.pack-chem-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  font-size: 14px;
  font-weight: 800;
  color: var(--muted);
}

.pack-chem-row strong {
  color: var(--ink);
}

.compare-chart {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: end;
  margin-top: 16px;
}

.compare-bar {
  display: grid;
  gap: 10px;
}

.compare-bar-fill {
  min-height: 48px;
  height: 180px;
  border: 1px solid rgba(23, 104, 200, 0.24);
  border-radius: 8px;
  background:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.24) 0 1px, transparent 1px 28px),
    linear-gradient(180deg, rgba(23, 104, 200, 0.78), rgba(12, 58, 112, 0.9));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22);
  transform-origin: bottom;
}

.compare-bar.local .compare-bar-fill {
  border-color: rgba(15, 138, 98, 0.24);
  background:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.24) 0 1px, transparent 1px 28px),
    linear-gradient(180deg, rgba(15, 138, 98, 0.76), rgba(8, 84, 60, 0.9));
}

.compare-bar.stress .compare-bar-fill {
  border-color: rgba(198, 66, 58, 0.24);
  background:
    repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.22) 0 1px, transparent 1px 28px),
    linear-gradient(180deg, rgba(198, 66, 58, 0.76), rgba(132, 35, 31, 0.9));
}

.compare-bar-label {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.compare-bar-label small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.compare-bar-label strong {
  display: block;
  margin-top: 6px;
  color: var(--ink);
  font-size: 22px;
}

.compare-bar-label span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.margin-impact-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.margin-impact-metrics article,
.margin-bridge-list div {
  min-width: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.margin-impact-metrics small {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.margin-impact-metrics strong {
  display: block;
  margin-top: 6px;
  color: var(--ink);
  font-size: 23px;
  line-height: 1.05;
}

.margin-impact-metrics span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.margin-bridge-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.margin-bridge-list div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.margin-bridge-list strong {
  color: var(--ink);
}

.sensitivity-table-wrap {
  overflow-x: auto;
  margin-top: 16px;
}

.sensitivity-table {
  width: 100%;
  min-width: 640px;
  border-collapse: collapse;
  font-size: 14px;
}

.sensitivity-table th,
.sensitivity-table td {
  padding: 11px 12px;
  border: 1px solid var(--line);
  text-align: left;
}

.sensitivity-table th {
  color: var(--ink);
  background: #edf8f3;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.sensitivity-table td {
  color: var(--muted);
  font-weight: 800;
  background: rgba(255, 255, 255, 0.92);
}

.tool-visual {
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 6px;
  margin-top: 14px;
  padding: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #fff;
}

.tool-visual span,
.tool-visual strong {
  position: relative;
  z-index: 1;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.38);
}

.tool-visual span {
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.tool-visual strong {
  max-width: 520px;
  font-size: 22px;
  line-height: 1.08;
}

.car-gallery-layout {
  display: grid;
  gap: 18px;
  padding: 34px 0 56px;
}

.car-gallery-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  color: #f6fff9;
  background:
    linear-gradient(135deg, rgba(8, 18, 28, 0.85), rgba(15, 138, 98, 0.65), rgba(185, 128, 22, 0.65)),
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.12) 0 1px, transparent 1px 16px);
}

.car-gallery-hero h1,
.car-gallery-hero p,
.car-gallery-hero .section-kicker {
  color: inherit;
}

.car-gallery-hero p {
  max-width: 760px;
}

.car-gallery-hero .tool-chip-row {
  justify-content: flex-end;
  max-width: 390px;
  gap: 10px;
}

.car-gallery-hero .tool-chip-row span {
  min-width: 0;
  width: auto;
  height: auto;
  padding: 9px 12px;
  border-radius: 999px;
  white-space: nowrap;
  background: rgba(255, 255, 255, 0.13);
  border-color: rgba(255, 255, 255, 0.24);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
}

.car-gallery-showroom {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 18px;
  align-items: stretch;
}

.car-gallery-stage-card {
  display: grid;
  grid-template-rows: auto minmax(420px, 1fr);
  gap: 16px;
  overflow: hidden;
}

.car-gallery-toolbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.car-gallery-viewport {
  position: relative;
  min-height: 420px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    radial-gradient(circle at 50% 36%, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0) 38%),
    linear-gradient(180deg, #f8fcfa 0%, #dcebe6 62%, #c8d8d3 100%),
    repeating-linear-gradient(90deg, rgba(17, 24, 23, 0.08) 0 1px, transparent 1px 36px);
  cursor: default;
}

.car-gallery-image {
  width: 100%;
  max-width: 960px;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 26px 32px rgba(7, 16, 13, 0.22));
}

.car-gallery-caption {
  position: absolute;
  left: 14px;
  bottom: 12px;
  max-width: calc(100% - 28px);
  padding: 8px 10px;
  border: 1px solid rgba(255, 255, 255, 0.54);
  border-radius: 8px;
  color: #07100d;
  background: rgba(255, 255, 255, 0.78);
  font-size: 12px;
  font-weight: 900;
  pointer-events: none;
}

.car-gallery-info {
  align-self: stretch;
}

.car-gallery-info h2 {
  font-size: 36px;
  line-height: 1.05;
}

.car-gallery-metrics {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.car-gallery-metrics .metric-tile strong {
  font-size: 22px;
}

.car-gallery-source-link {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.car-gallery-source-link a {
  color: inherit;
}

.car-gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 16px;
}

.car-gallery-card {
  min-height: 118px;
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr);
  gap: 12px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  background: #fff;
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.car-gallery-card:hover,
.car-gallery-card:focus,
.car-gallery-card[aria-current="true"] {
  border-color: rgba(20, 151, 184, 0.58);
  box-shadow: 0 10px 24px rgba(17, 24, 23, 0.1);
  outline: none;
}

.car-gallery-thumb {
  width: 118px;
  min-height: 96px;
  border: 1px solid rgba(17, 24, 23, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(6, 16, 14, 0.02), rgba(6, 16, 14, 0.38)),
    var(--car-image);
  background-repeat: no-repeat;
  background-size: cover, contain;
  background-position: center;
  box-shadow: inset 0 -18px 32px rgba(7, 16, 13, 0.18);
}

.car-gallery-card-copy {
  min-width: 0;
  display: grid;
  align-content: center;
  gap: 7px;
}

.car-gallery-card strong {
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 15px;
  line-height: 1.15;
}

.car-gallery-card small {
  min-width: 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.35;
}

.car-gallery-card em {
  width: fit-content;
  max-width: 100%;
  padding: 4px 7px;
  border-radius: 999px;
  color: #0a4635;
  background: rgba(189, 244, 212, 0.55);
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
}

.footer {
  padding: 22px 0;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto auto;
  align-items: center;
  gap: 14px 20px;
}

.footer-brand {
  display: grid;
  gap: 2px;
}

.footer-brand strong {
  color: var(--ink);
  font-size: 14px;
}

.footer-brand span,
.footer-email,
.footer-links a {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 14px;
}

.footer-links a,
.footer-email {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
}

.legal-layout {
  display: grid;
  gap: 18px;
}

.legal-card {
  display: grid;
  gap: 18px;
}

.legal-card section {
  display: grid;
  gap: 6px;
}

.legal-card h2 {
  margin: 0;
  font-size: 22px;
}

.legal-card p {
  margin: 0;
}

.empty-state {
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  background: #fff;
}

@media (max-width: 1080px) {
  .site-shell {
    padding-left: 0;
  }

  .nav-toggle {
    position: fixed;
    left: 12px;
    top: 12px;
    z-index: 80;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    gap: 4px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 8px;
    color: #fff;
    background: rgba(18, 25, 23, 0.94);
    box-shadow: 0 12px 28px rgba(7, 16, 13, 0.24);
    cursor: pointer;
  }

  .nav-toggle-line {
    width: 20px;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
  }

  .nav-overlay {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: block;
    background: rgba(7, 16, 13, 0.48);
  }

  .nav-overlay[hidden] {
    display: none;
  }

  .topbar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: min(82vw, 292px);
    min-height: 100vh;
    z-index: 60;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    border-bottom: none;
    transform: translateX(calc(-100% - 18px));
    transition: transform 180ms ease;
    box-shadow: 22px 0 46px rgba(7, 16, 13, 0.28);
  }

  body.nav-open .topbar {
    transform: translateX(0);
  }

  .topbar-inner {
    width: auto;
    min-height: 100vh;
    margin: 0;
    padding: 72px 18px 22px;
    flex-direction: column;
    align-items: stretch;
    gap: 24px;
  }

  .nav {
    display: grid;
    gap: 7px;
    margin-left: 0;
    max-width: none;
  }

  .hero-inner,
  .frontier-slide,
  .article-layout,
  .ai-workbench,
  .search-panel,
  .tools-grid,
  .car-gallery-showroom,
  .scenario-grid,
  .margin-impact-metrics,
  .margin-bridge-list {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
  }

  .grid.cols-3,
  .grid.cols-4,
  .car-gallery-grid,
  .stat-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .topbar-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    width: 100%;
    margin-left: 0;
  }

  .nav a {
    width: 100%;
    min-width: 0;
    justify-content: flex-start;
  }

  .hero-inner {
    min-height: auto;
    padding: 38px 0 32px;
  }

  .hero h1 {
    font-size: 38px;
  }

  .frontier-track,
  .frontier-visual {
    min-height: 320px;
  }

  .frontier-copy {
    padding: 20px;
  }

  .frontier-copy h3 {
    font-size: 28px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .hero-mini-grid,
  .ai-input-row,
  .grid.cols-3,
  .grid.cols-4,
  .stat-strip,
  .article-hero,
  .calculator-form,
  .metrics-grid,
  .car-gallery-hero,
  .car-gallery-grid,
  .scenario-grid {
    grid-template-columns: 1fr;
  }

  .car-gallery-hero {
    display: grid;
  }

  .car-gallery-stage-card {
    grid-template-rows: auto minmax(300px, 1fr);
  }

  .car-gallery-viewport {
    min-height: 300px;
  }

  .car-gallery-stage-card .icon-button {
    width: 38px;
    height: 38px;
    font-size: 22px;
  }

  .car-gallery-card {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .car-gallery-thumb {
    width: 96px;
    min-height: 82px;
  }

  .compare-chart,
  .margin-impact-metrics,
  .margin-bridge-list {
    grid-template-columns: 1fr;
  }

  .market-ribbon-bar {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 8px 14px;
  }

  .section-head {
    display: grid;
    align-items: start;
  }

  .section-head h1,
  .section-head h2,
  .page-title {
    font-size: 30px;
  }

  .article-main {
    padding: 16px;
  }

  .article-hero h1 {
    font-size: 32px;
  }

  .article-cover {
    min-height: 180px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .footer-links {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    justify-content: stretch;
  }

  .footer-links a,
  .footer-email {
    width: 100%;
    min-height: 42px;
  }
}

@keyframes market-scroll {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}