@font-face {
  font-family: 'Syne';
  src: url('../vendor/fonts/syne-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Syne';
  src: url('../vendor/fonts/syne-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Syne';
  src: url('../vendor/fonts/syne-800.woff2') format('woff2');
  font-weight: 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  src: url('../vendor/fonts/dmsans-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  src: url('../vendor/fonts/dmsans-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'DM Sans';
  src: url('../vendor/fonts/dmsans-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Figtree';
  src: url('../vendor/fonts/figtree-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Figtree';
  src: url('../vendor/fonts/figtree-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Figtree';
  src: url('../vendor/fonts/figtree-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #07090c;
  --fg: #f3f4f5;
  --muted: rgba(255, 255, 255, 0.58);
  --dim: rgba(255, 255, 255, 0.4);
  --line: rgba(255, 255, 255, 0.1);
  /* 本地托管：正文 DM Sans / 标题 Syne / 导航 Figtree（不依赖 Google Fonts） */
  --font-body: 'DM Sans', 'PingFang SC', 'Microsoft YaHei', system-ui, sans-serif;
  --font-display: 'Syne', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-ui: 'Figtree', 'DM Sans', system-ui, sans-serif;
  /* 重点标题/数字：提亮后的暗调宝石色；正文保持中性 */
  --accent: #a894d0;
  --c1: #8eb4d4; /* 亮深蓝 */
  --c2: #a694d0; /* 亮深紫 */
  --c3: #d4b06a; /* 亮深金 */
  --c4: #8aa0c8; /* 亮靛蓝 */
  --c5: #c4a86a; /* 深金 */
  --c6: #7aa8cc; /* 亮蓝宝石 */
  --c7: #d0a85c; /* 亮古铜金 */
  --pad: clamp(20px, 5vw, 72px);
  --max: 1180px;
}

html {
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  scroll-behavior: auto;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  overflow-x: hidden;
  line-height: 1.55;
}

img,
video {
  display: block;
  max-width: 100%;
}

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

ul {
  list-style: none;
}

/* —— Nav —— */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px var(--pad);
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.72), transparent);
  font-size: 12px;
  letter-spacing: 0.06em;
  pointer-events: none;
}

.nav > * {
  pointer-events: auto;
}

.nav {
  font-family: var(--font-ui);
}

.nav__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px 14px;
  max-width: 70%;
  color: var(--dim);
}

.nav__links a {
  transition: color 0.2s;
}

.nav__links a:hover,
.nav__links a.is-active {
  color: #fff;
}

.nav__progress {
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, #9aa7b5, #fff);
}

/* —— Shared —— */
.section {
  position: relative;
  padding: 110px var(--pad) 90px;
}

.section--tight {
  padding-top: 80px;
  padding-bottom: 60px;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
}

.kicker {
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 16px;
  font-weight: 600;
}

.h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 3.8vw, 44px);
  letter-spacing: -0.03em;
  line-height: 1.2;
  margin-bottom: 16px;
  max-width: none;
  white-space: nowrap;
  color: var(--title, #e8eaed);
}

.sub-h {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin: 0 0 10px;
  color: rgba(255, 255, 255, 0.88);
}

.lead {
  max-width: 62ch;
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.42);
  margin-bottom: 28px;
  line-height: 1.55;
}

/* 视觉优先级：重点数字 / 次要说明 */
.hi {
  color: var(--fg);
  font-weight: 650;
}

.hi-num {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--c1);
  letter-spacing: -0.02em;
}

.sub-note {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.42);
  line-height: 1.55;
}

.card p,
.panel p,
.card li,
.panel li {
  font-size: 13.5px;
  color: rgba(255, 255, 255, 0.52);
}

.card h3,
.panel h3 {
  color: rgba(255, 255, 255, 0.92);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.fade {
  will-change: transform, opacity;
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px var(--pad) 80px;
  overflow: hidden;
  background:
    radial-gradient(ellipse 70% 50% at 50% 120%, rgba(80, 80, 90, 0.35), transparent 60%),
    #050505;
}

.hero__grain {
  position: absolute;
  inset: -20%;
  z-index: 1;
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.05), transparent 35%),
    radial-gradient(circle at 70% 60%, rgba(120, 140, 160, 0.08), transparent 40%);
  pointer-events: none;
}

.hero__brand,
.hero__title,
.hero__sub,
.hero__pillars,
.hero__scroll {
  z-index: 2;
}

.hero__brand {
  position: relative;
  font-size: 12px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 28px;
}

.hero__title {
  position: relative;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(52px, 10vw, 112px);
  line-height: 0.95;
  letter-spacing: -0.045em;
  max-width: 12ch;
  background: linear-gradient(115deg, #e0c888 0%, #b8a0e0 42%, #8eb4d4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__sub {
  position: relative;
  margin-top: 28px;
  max-width: 52ch;
  font-size: 16px;
  color: var(--muted);
  line-height: 1.7;
}

.hero__pillars {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
}

.hero__pillars span {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
}

.hero__scroll {
  position: absolute;
  bottom: 36px;
  left: var(--pad);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
}

/* —— Metrics —— */
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.metric {
  background: #0a0d11;
  padding: 40px 28px;
  position: relative;
}

.metric::before {
  content: '';
  position: absolute;
  left: 0;
  top: 18px;
  bottom: 18px;
  width: 3px;
  border-radius: 999px;
  background: var(--metric, var(--c1));
}

.metric strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 10px;
  color: var(--metric, var(--c1));
}

.metric span {
  display: block;
  font-size: 14px;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 500;
}

.metric em {
  font-style: normal;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.42);
  line-height: 1.45;
}

.metric--c1 { --metric: var(--c1); }
.metric--c2 { --metric: var(--c2); }
.metric--c3 { --metric: var(--c3); }
.metric--c4 { --metric: var(--c4); }

/* —— Cards / grids —— */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.card {
  padding: 28px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
}

.card .no {
  display: block;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--dim);
  margin-bottom: 14px;
}

.card h3 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.card p,
.card li {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

.card ul {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.card li::before {
  content: '— ';
  color: var(--dim);
}

.panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.025);
}

.panel h3 {
  font-family: var(--font-display);
  font-size: 20px;
  margin-bottom: 10px;
}

.panel p,
.panel li {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.6;
}

.panel ul {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.panel li::before {
  content: '· ';
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 28px 0 36px;
}

.stat-row article {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 16px;
}

.stat-row strong {
  display: block;
  font-family: var(--font-display);
  font-size: 28px;
  margin-bottom: 8px;
}

.stat-row span {
  font-size: 13px;
  color: var(--muted);
}

.callout {
  margin-top: 20px;
  padding: 12px 16px;
  border-left: 2px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.03);
  border-radius: 0 10px 10px 0;
  max-width: 72ch;
  opacity: 0.78;
}

.callout .label {
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 4px;
  font-weight: 600;
}

.callout p {
  font-size: 12.5px;
  color: rgba(255, 255, 255, 0.52);
  line-height: 1.5;
  max-width: 72ch;
  font-weight: 400;
}

.callout .sub {
  margin-top: 6px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.36);
  line-height: 1.45;
}

/* —— 可视化总结组件 —— */
.viz {
  padding: 22px 20px;
  border-radius: 16px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.015));
  min-height: 100%;
}

.viz .no {
  display: block;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--tone-strong, var(--dim));
  margin-bottom: 8px;
  font-weight: 600;
}

.viz h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: -0.02em;
  margin-bottom: 14px;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.3;
}

.viz-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.viz-kpis--2 {
  grid-template-columns: 1fr 1fr;
}

.viz-kpi {
  padding: 12px 10px;
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
}

.viz-kpi strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--vk, var(--title, var(--c1)));
  margin-bottom: 4px;
  line-height: 1.1;
}

.viz-kpi span {
  display: block;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.35;
}

.viz-kpi .viz-meter {
  margin-bottom: 6px;
}

.viz-bars {
  display: grid;
  gap: 8px;
  margin: 4px 0 10px;
}

.viz-bars__row {
  display: grid;
  grid-template-columns: 64px 1fr 52px;
  gap: 8px;
  align-items: center;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
}

.viz-bars__track {
  height: 7px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.viz-bars__fill {
  height: 100%;
  border-radius: inherit;
  background: var(--bar, var(--tone-strong, var(--c1)));
}

.viz-bars__row b {
  font-family: var(--font-display);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.78);
  text-align: right;
}

.viz-flow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.viz-flow b,
.viz-flow i {
  font-style: normal;
  font-size: 11px;
  padding: 6px 9px;
  border-radius: 999px;
  line-height: 1.3;
}

.viz-flow b {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.72);
  font-weight: 500;
}

.viz-flow i {
  color: rgba(255, 255, 255, 0.35);
  padding: 0;
}

.viz-flow b.is-from {
  opacity: 0.55;
}

.viz-flow b.is-to {
  border-color: rgba(var(--tone, 170, 180, 200), 0.45);
  background: rgba(var(--tone, 170, 180, 200), 0.16);
  color: var(--title, #fff);
}

.viz-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.viz-chips span {
  font-size: 11px;
  padding: 5px 9px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.04);
  color: rgba(255, 255, 255, 0.62);
}

.viz-meter {
  --p: 50;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  margin: 0 auto 10px;
  background: conic-gradient(var(--vk, var(--c1)) calc(var(--p) * 1%), rgba(255, 255, 255, 0.08) 0);
  display: grid;
  place-items: center;
  position: relative;
}

.viz-meter::before {
  content: '';
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  background: #0a0d11;
}

.viz-meter em {
  position: relative;
  font-style: normal;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  color: var(--vk, var(--c1));
}

.viz-note {
  margin-top: 10px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.38);
  line-height: 1.45;
}

.section .viz {
  border-color: rgba(var(--tone), 0.28);
  background: linear-gradient(165deg, rgba(var(--tone), 0.12), rgba(255, 255, 255, 0.02));
}

@media (max-width: 900px) {
  .viz-kpis {
    grid-template-columns: 1fr;
  }
}

.media-narrow {
  max-width: 520px;
  margin: 0 auto;
}

.media-narrow img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
}

/* 代理：左画风对比 + 右产出趋势 */
.agency-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
  gap: 28px;
  align-items: start;
}

.agency-split__stack {
  display: grid;
  gap: 16px;
  margin-top: 14px;
}

.agency-split__stack img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
  display: block;
}

.agency-split__chart {
  margin-top: 4px;
}

.agency-split__chart.chart-card {
  padding: 18px 18px 12px;
}

.agency-split__chart .line-chart svg {
  width: 100%;
  height: 220px;
}

.agency-split__chart .line-chart text {
  font-size: 10px;
}

.agency-split__chart .line-chart .pt-label {
  font-size: 11px;
}

.agency-split__chart .line-chart .line {
  stroke-width: 2.8;
}

.agency-split__chart .vals strong {
  font-size: 22px;
}

@media (max-width: 900px) {
  .agency-split {
    grid-template-columns: 1fr;
  }
}

/* 简易数据条图（仅复述已有数值） */
.chart-bars {
  display: grid;
  gap: 14px;
  margin: 28px 0 8px;
  padding: 22px 24px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.03);
}

.chart-bars__row {
  display: grid;
  grid-template-columns: 72px 1fr minmax(0, auto);
  gap: 12px;
  align-items: center;
}

.chart-bars__row span {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.55);
}

.chart-bars__row b {
  font-family: var(--font-display);
  font-size: 14px;
  color: #fff;
  min-width: 4.5ch;
  text-align: right;
}

.chart-bars__track {
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.chart-bars__fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--bar, var(--c1)), color-mix(in srgb, var(--bar, var(--c1)) 55%, white));
}

.chart-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 24px 0 32px;
}

.chart-card {
  padding: 20px 22px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
}

.chart-card .label {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.45);
  margin-bottom: 10px;
}

.chart-card .vals {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 14px;
}

.chart-card .vals strong {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--c1);
}

.chart-pair .chart-card:nth-child(2) .vals strong {
  color: var(--c2);
}

.chart-card .vals em {
  font-style: normal;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.42);
}

.chart-pair--fill {
  max-width: none;
  width: 100%;
  gap: 16px;
  margin: 20px 0 8px;
  align-items: stretch;
}

.chart-pair--fill .chart-card {
  display: flex;
  flex-direction: column;
  min-height: 380px;
  padding: 22px 24px 18px;
}

.chart-pair--fill .chart-card .vals strong {
  font-size: 32px;
}

.chart-pair--fill .chart-card .vals em {
  font-size: 13px;
}

.chart-pair--fill .chart-card .label {
  font-size: 12px;
  margin-bottom: 8px;
}

.chart-pair--fill .line-chart {
  flex: 1;
  display: flex;
  align-items: stretch;
  margin-top: 4px;
  min-height: 280px;
}

.line-chart {
  margin-top: 2px;
}

.line-chart svg {
  width: 100%;
  height: auto;
  display: block;
}

.chart-pair--fill .line-chart svg {
  width: 100%;
  height: 280px;
  max-height: none;
}

.line-chart .grid {
  stroke: rgba(255, 255, 255, 0.06);
  stroke-width: 1;
}

.line-chart .axis {
  stroke: rgba(255, 255, 255, 0.14);
  stroke-width: 1;
}

.line-chart .line {
  stroke: var(--lc, var(--c1));
  stroke-width: 2.4;
  stroke-linejoin: round;
  stroke-linecap: round;
  fill: none;
}

.line-chart circle {
  fill: var(--lc, var(--c1));
  stroke: #0a0d11;
  stroke-width: 1.4;
  transform-box: fill-box;
  transform-origin: center;
}

.line-chart text {
  fill: rgba(255, 255, 255, 0.4);
  font-size: 8px;
  font-family: var(--font-ui);
}

.line-chart .pt-label {
  font-size: 9px;
  font-weight: 600;
  fill: var(--lc, var(--c1));
}

.chart-pair--fill .line-chart .line {
  stroke-width: 3;
}

.chart-pair--fill .line-chart text {
  font-size: 11px;
}

.chart-pair--fill .line-chart .pt-label {
  font-size: 12px;
}

.line-chart__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 8px;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.42);
}

.line-chart__legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.line-chart__legend i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

/* Studio 一页四宫格：左上蓝图 1/4 + 右上视频 + 下方素材 */
.studio-page {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  height: min(calc(100vh - 140px), 920px);
  gap: 12px;
  margin-top: 12px;
  min-height: 560px;
}

.studio-page__tl,
.studio-page__tr,
.studio-page__bl,
.studio-page__br {
  min-height: 0;
  min-width: 0;
  border-radius: 16px;
  overflow: hidden;
}

/* 左上：整模块按 50% 缩放，恰好占一页 1/4 */
.studio-page__tl {
  position: relative;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.2);
}

.studio-page__scale {
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 200%;
  transform: scale(0.5);
  transform-origin: top left;
}

.studio-page__scale .studio-bp {
  margin: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  box-sizing: border-box;
}

.studio-page__scale .studio-pillars {
  grid-template-columns: 1fr 1fr;
}

.studio-page__scale .studio-bottom {
  grid-template-columns: 1fr;
}

.studio-page__scale .studio-types {
  grid-template-columns: 1fr 1fr;
}

.studio-page__tr {
  display: flex;
}

.studio-video__frame {
  width: 100%;
  height: 100%;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(176, 138, 74, 0.35);
  background: rgba(0, 0, 0, 0.35);
  box-shadow: 0 0 0 1px rgba(176, 138, 74, 0.08), 0 16px 40px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
}

.studio-video__frame video {
  display: block;
  width: 100%;
  flex: 1;
  min-height: 0;
  object-fit: cover;
  background: #0a0c10;
}

.studio-video__caption {
  margin: 0;
  padding: 10px 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(0, 0, 0, 0.28);
  flex-shrink: 0;
}

.studio-page__bl {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 12px;
}

.studio-page__bl .reserve,
.studio-page__bl .studio-fill,
.studio-page__br .reserve {
  height: 100%;
  min-height: 0;
  aspect-ratio: auto;
}

.studio-fill {
  position: relative;
  margin: 0;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: #0a0c10;
}

.studio-fill img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.studio-fill--fit {
  background: #12151a;
}

.studio-fill--fit img {
  object-fit: contain;
}

.studio-fill figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 8px 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.78);
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, 0.65));
}

.studio-page__br {
  display: flex;
}

.studio-page__br .reserve {
  flex: 1;
  width: 100%;
}

.reserve {
  position: relative;
  border-radius: 16px;
  border: 1px dashed rgba(183, 196, 200, 0.4);
  background:
    linear-gradient(135deg, rgba(201, 179, 150, 0.06), rgba(174, 185, 192, 0.05)),
    repeating-linear-gradient(
      -45deg,
      rgba(255, 255, 255, 0.03) 0 8px,
      transparent 8px 16px
    );
  display: grid;
  place-items: center;
  text-align: center;
  padding: 16px;
  min-height: 120px;
}

.reserve--4x3 {
  aspect-ratio: 4 / 3;
}

.reserve--9x16 {
  aspect-ratio: 9 / 16;
  min-height: 100%;
  border-color: rgba(201, 179, 150, 0.4);
}

.reserve strong {
  display: block;
  font-family: var(--font-display);
  font-size: 16px;
  margin-bottom: 6px;
  color: var(--c1);
}

.reserve span {
  display: block;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.45;
}

.reserve i {
  display: block;
  margin-top: 8px;
  font-style: normal;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.35);
}

@media (max-width: 980px) {
  .studio-page {
    grid-template-columns: 1fr;
    grid-template-rows: none;
    height: auto;
    min-height: 0;
  }

  .studio-page__tl {
    height: min(70vh, 520px);
  }

  .studio-page__tr {
    min-height: 240px;
  }

  .studio-page__bl {
    grid-template-rows: none;
    grid-template-columns: 1fr 1fr;
  }

  .studio-page__br .reserve--9x16 {
    max-width: 280px;
    margin: 0 auto;
    aspect-ratio: 9 / 16;
    height: auto;
  }
}

@media (max-width: 900px) {
  .chart-pair,
  .chart-bars__row {
    grid-template-columns: 1fr;
  }

  .chart-bars__row b {
    text-align: left;
  }
}

/* —— Media —— */
.media-strip {
  display: grid;
  gap: 12px;
  margin-top: 36px;
}

.media-strip img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
}

.media-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 32px;
}

.media-pair img,
.media-stack img {
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--line);
}

.media-stack {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.media-caption {
  font-size: 12px;
  color: var(--dim);
  margin-top: 8px;
}

/* 数据紧跟对应图表 */
.data-follow {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin: 28px 0 36px;
}

.data-follow__block {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.025);
}

.data-follow__block .label {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--dim);
  margin-bottom: 8px;
}

.data-follow__block strong {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(28px, 3.5vw, 40px);
  letter-spacing: -0.03em;
  margin-bottom: 6px;
}

.data-follow__block .hint {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 16px;
}

.data-follow__block img {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.data-follow__block .line-chart {
  margin-top: 4px;
}

.data-follow__block .line-chart svg {
  width: 100%;
  height: 200px;
}

.data-follow__block .line-chart text {
  font-size: 10px;
}

.data-follow__block .line-chart .pt-label {
  font-size: 11px;
}

.data-follow__block .line-chart .line {
  stroke-width: 2.8;
}

.data-kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 8px;
}

@media (max-width: 900px) {
  .data-follow,
  .data-kpis {
    grid-template-columns: 1fr;
  }
}

/* —— Pin video —— */
.pin {
  position: relative;
  height: 100vh;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.pin__stage {
  position: absolute;
  inset: 0;
  overflow: hidden;
  transform-origin: center center;
  will-change: transform, border-radius;
}

.pin__stage video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pin__veil {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.7) 0%,
    rgba(0, 0, 0, 0.2) 45%,
    rgba(0, 0, 0, 0.4) 100%
  );
}

.pin__caption {
  position: relative;
  z-index: 2;
  font-family: var(--font-display);
  font-size: clamp(42px, 8vw, 96px);
  font-weight: 800;
  letter-spacing: -0.04em;
  text-align: center;
  color: #f4f6f8;
  text-shadow: 0 2px 28px rgba(0, 0, 0, 0.55);
}

.pin__copy {
  position: absolute;
  left: var(--pad);
  bottom: 56px;
  z-index: 2;
  max-width: 560px;
}

.pin__copy p {
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 12px;
}

.pin__copy h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.8vw, 42px);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  color: #e8c888;
}

.pin__copy span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.58);
  line-height: 1.55;
}

/* —— Pyramid / steps —— */
.steps {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.steps article {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.steps strong {
  font-family: var(--font-display);
  font-size: 15px;
}

.steps p {
  font-size: 14px;
  color: var(--muted);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.chip-row span {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
}

.flow {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin: 20px 0 28px;
  font-size: 13px;
  color: var(--muted);
}

.flow b {
  color: #fff;
  font-weight: 600;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
}

.flow i {
  font-style: normal;
  color: var(--dim);
}

/* —— Closing —— */
.closing {
  min-height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px var(--pad);
  background:
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(120, 130, 145, 0.18), transparent 60%),
    #050505;
}

.closing .h2 {
  max-width: none;
  font-size: clamp(28px, 3.8vw, 44px);
  white-space: nowrap;
}

.closing__actions {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 48px;
  max-width: 900px;
}

.closing__actions article {
  padding: 22px 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.25);
}

.closing__actions span {
  display: block;
  font-size: 12px;
  color: var(--dim);
  margin-bottom: 10px;
}

.closing__actions h3 {
  font-family: var(--font-display);
  font-size: 22px;
}

.closing__lines {
  margin-top: 36px;
  display: grid;
  gap: 10px;
  color: var(--muted);
  font-size: 15px;
}

.footer {
  padding: 28px var(--pad) 40px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  font-size: 12px;
  color: var(--dim);
}

.divider {
  height: 1px;
  background: var(--line);
  margin: 0 var(--pad);
}

@media (max-width: 980px) {
  .metrics,
  .grid-3,
  .grid-4,
  .stat-row,
  .closing__actions,
  .media-pair {
    grid-template-columns: 1fr 1fr;
  }

  .nav__links {
    display: none;
  }

  .steps article {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .h2,
  .closing .h2 {
    white-space: normal;
    font-size: clamp(24px, 4.2vw, 36px);
  }
}

@media (max-width: 640px) {
  .metrics,
  .grid-3,
  .grid-4,
  .grid-2,
  .stat-row,
  .closing__actions,
  .media-pair {
    grid-template-columns: 1fr;
  }

  .pin__copy {
    left: 20px;
    right: 20px;
    bottom: 36px;
  }
}

/* —— Section tones / hierarchy —— */
.section,
.closing {
  --tone: 180, 190, 200;
  --tone-strong: rgba(200, 210, 220, 0.75);
  isolation: isolate;
}

.section::before,
.closing::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(ellipse 75% 60% at 6% 0%, rgba(var(--tone), 0.14), transparent 58%),
    radial-gradient(ellipse 55% 45% at 95% 100%, rgba(var(--tone), 0.08), transparent 52%);
}

.section--primary {
  padding-top: 128px;
  padding-bottom: 110px;
}

.section--primary::after {
  content: '';
  position: absolute;
  left: var(--pad);
  top: 96px;
  width: 36px;
  height: 2px;
  background: var(--tone-strong);
}

.section--primary .h2 {
  max-width: none;
}

/* 分区标题色：提亮一档，避免发灰；正文不着色 */
.tone-steel { --tone: 100, 140, 180; --tone-strong: #8eb4d4; --title: #b0d0ea; }
.tone-ink { --tone: 120, 100, 170; --tone-strong: #a694d0; --title: #c4b4e8; }
.tone-ember { --tone: 180, 140, 80; --tone-strong: #d4b06a; --title: #e8c888; }
.tone-rose { --tone: 110, 100, 170; --tone-strong: #9a8ad0; --title: #b8a8e4; }
.tone-olive { --tone: 100, 130, 175; --tone-strong: #7aa8cc; --title: #a0c8e4; }
.tone-amber { --tone: 180, 150, 70; --tone-strong: #d0a85c; --title: #e8c878; }
.tone-teal { --tone: 90, 120, 170; --tone-strong: #7a9fd0; --title: #a8c4e8; }
.tone-violet { --tone: 130, 100, 180; --tone-strong: #a694d0; --title: #c4b4e8; }
.tone-cyan { --tone: 90, 140, 180; --tone-strong: #7aa8cc; --title: #a0c8e4; }

.section .kicker,
.closing .kicker {
  color: var(--tone-strong);
}

.section .h2,
.closing .h2 {
  color: var(--title, var(--tone-strong));
}

.section .callout {
  border-left-color: rgba(var(--tone), 0.45);
  background: rgba(var(--tone), 0.06);
  opacity: 0.75;
}

.section .panel {
  border-color: rgba(var(--tone), 0.32);
  background: linear-gradient(165deg, rgba(var(--tone), 0.14), rgba(255, 255, 255, 0.02));
}

.section--primary .card {
  border-top-color: rgba(var(--tone), 0.65);
  background: linear-gradient(180deg, rgba(var(--tone), 0.16), transparent);
}

.section .chip-row span {
  border-color: rgba(var(--tone), 0.4);
  background: rgba(var(--tone), 0.14);
  color: rgba(255, 255, 255, 0.78);
}

.section .data-follow__block {
  border-color: rgba(var(--tone), 0.35);
  background: linear-gradient(160deg, rgba(var(--tone), 0.16), rgba(255, 255, 255, 0.02));
}

.section .card .no,
.section .panel .no {
  color: var(--tone-strong);
}

.divider {
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.14), transparent);
}

.closing.tone-ember {
  background:
    radial-gradient(ellipse 60% 45% at 50% 100%, rgba(180, 150, 120, 0.12), transparent 60%),
    radial-gradient(ellipse 40% 30% at 20% 20%, rgba(140, 150, 160, 0.1), transparent 50%),
    #050505;
}

.closing__actions article {
  border-top-color: rgba(var(--tone), 0.55);
}

/* —— Zoomable images + lightbox —— */
img.zoomable {
  cursor: zoom-in;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.25s, box-shadow 0.35s;
}

img.zoomable:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
  border-color: rgba(255, 255, 255, 0.28);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 40px 24px;
  background: rgba(0, 0, 0, 0.88);
  backdrop-filter: blur(10px);
  cursor: zoom-out;
}

.lightbox[hidden] {
  display: none;
}

.lightbox__img {
  max-width: min(1200px, 94vw);
  max-height: 82vh;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
  cursor: default;
  animation: lb-in 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

.lightbox__cap {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  max-width: 80vw;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  text-align: center;
}

.lightbox__close {
  position: absolute;
  top: 18px;
  right: 22px;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.35);
  color: #fff;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

.lightbox__close:hover {
  background: rgba(255, 255, 255, 0.12);
}

body.lightbox-open {
  overflow: hidden;
}

@keyframes lb-in {
  from {
    opacity: 0;
    transform: scale(0.96);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}