/* 文件用途：定义锐芒官网首页的品牌颜色、排版、响应式布局、组件状态与减少动态规则。 */

:root {
  --font-sans: "SF Pro SC", "SF Pro Text", "SF Pro Icons", "PingFang SC", "Helvetica Neue", Helvetica, Arial, "Microsoft YaHei UI", "Microsoft YaHei", sans-serif;
  --brand-blue: #004094;
  --brand-red: #e60013;
  --brand-red-hover: #c70010;
  --white: #ffffff;
  --ink-950: #0a0d14;
  --ink-700: #44505e;
  --ink-600: #5c6674;
  --ink-500: #6e7783;
  --surface-50: #f7f9fc;
  --surface-100: #eef2f6;
  --line-200: #dde3ea;
  --warning: #8a5a00;
  --page-gutter: clamp(20px, 3vw, 48px);
  --section-y: clamp(64px, 8vw, 120px);
  --header-height: 72px;
  --dur-micro: 200ms;
  --dur-entry: 600ms;
  --dur-panel: 320ms;
  --ease-out: cubic-bezier(0.2, 0.7, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 0.7, 0.2);
  --travel-1: 4px;
  --travel-2: 8px;
  --travel-3: 16px;
  --travel-4: 24px;
}

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

html {
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: var(--brand-blue) var(--surface-100);
  overflow-x: clip;
}

body {
  margin: 0;
  color: var(--ink-950);
  background: var(--white);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.68;
  font-synthesis: none;
  overflow-x: clip;
}

body.is-menu-open { overflow: hidden; }

button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
svg { width: 1em; height: 1em; stroke-width: 1.75; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--surface-100); }
::-webkit-scrollbar-thumb { background: var(--brand-blue); border: 2px solid var(--surface-100); border-radius: 0; }
::-webkit-scrollbar-thumb:hover { background: var(--brand-red); }

::selection { color: var(--white); background: var(--brand-blue); }

:focus-visible {
  outline: 3px solid var(--brand-blue);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 8px;
  left: 8px;
  z-index: 200;
  padding: 10px 14px;
  color: var(--white);
  background: var(--brand-blue);
  transform: translateY(-160%);
  transition: transform var(--dur-micro) var(--ease-out);
}

.skip-link:focus { transform: translateY(0); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-shell {
  width: min(100%, 90rem);
  margin-inline: auto;
  padding-inline: var(--page-gutter);
}

.section { padding-block: var(--section-y); }
.surface-section { background: var(--surface-50); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--white);
  border-bottom: 1px solid transparent;
  transition: border-color 240ms var(--ease-out);
}

.site-header.is-scrolled { border-color: var(--line-200); }

.nav-shell {
  width: min(100%, 90rem);
  height: 100%;
  margin-inline: auto;
  padding-inline: var(--page-gutter);
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto minmax(180px, 1fr);
  align-items: center;
  gap: 24px;
}

.brand {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand img { width: 45px; height: 45px; object-fit: contain; }
.brand-label { display: flex; flex-direction: column; line-height: 1.08; }
.brand-label strong { font-size: 16px; font-weight: 700; }
.brand-label small { margin-top: 4px; color: var(--ink-600); font-size: 9px; font-weight: 600; letter-spacing: .1em; }

.desktop-nav { display: flex; align-items: center; gap: 6px; }
.nav-group { position: relative; }

.nav-trigger, .nav-link {
  min-height: 44px;
  padding: 0 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 0;
  color: var(--ink-950);
  background: transparent;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}

.nav-trigger svg { font-size: 15px; transition: transform var(--dur-micro) var(--ease-out); }
.nav-product-link { color: var(--brand-blue); }
.nav-product-link svg { font-size: 14px; }
.nav-group.is-open .nav-trigger { color: var(--brand-blue); }
.nav-group.is-open .nav-trigger svg { transform: rotate(180deg); }
.nav-link:hover, .nav-trigger:hover { color: var(--brand-blue); }

.nav-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  width: 220px;
  padding: 8px;
  background: var(--white);
  border: 1px solid var(--line-200);
  box-shadow: 0 16px 32px rgba(10, 13, 20, .1);
  opacity: 0;
  visibility: hidden;
  transform: translateY(var(--travel-2));
  transition: opacity var(--dur-micro) var(--ease-out), transform var(--dur-micro) var(--ease-out), visibility 0s linear var(--dur-micro);
}

.nav-dropdown-wide { width: 260px; }
.nav-group.is-open .nav-dropdown { opacity: 1; visibility: visible; transform: translateY(0); transition-delay: 0s; }
.nav-dropdown a { display: block; padding: 10px 12px; color: var(--ink-700); font-size: 14px; font-weight: 500; }
.nav-dropdown a > span, .mobile-menu-panel details a > span { width: 30px; display: inline-block; color: var(--brand-red); font-size: 10px; font-weight: 750; letter-spacing: .08em; }
.nav-dropdown a:hover, .nav-dropdown a:focus-visible { color: var(--brand-blue); background: var(--surface-50); }

.header-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 8px;
}

.header-test-entry,
.header-contact {
  min-height: 44px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--brand-blue);
  background: var(--white);
  border: 1px solid var(--brand-blue);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  transition: background-color var(--dur-micro) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.header-test-entry {
  color: var(--brand-red);
  background: var(--surface-50);
  border-color: var(--brand-red);
  cursor: pointer;
}

.header-test-entry:hover,
.header-contact:hover { background: var(--surface-50); transform: translateY(-2px); }
.header-test-entry:hover { color: var(--brand-red); border-color: var(--brand-red); }
.header-test-entry:disabled,
.button:disabled { cursor: not-allowed; opacity: .55; transform: none; }
.header-test-entry:disabled:hover,
.button:disabled:hover { transform: none; }
.menu-toggle { display: none; }

.mobile-menu-shell { display: none; }

.story-morph { position: relative; background: var(--white); }
.story-stage { position: relative; background: var(--white); }
.story-copy-layer { position: relative; z-index: 3; }
.story-copy { position: relative; z-index: 3; width: min(45%, 610px); min-height: calc(100svh - var(--header-height)); padding-block: clamp(72px, 9vw, 120px); display: flex; flex-direction: column; justify-content: center; }
.story-copy-right { margin-left: auto; }
.story-scroll-track { display: none; }
.story-progress, .story-scroll-hint { display: none; }

.story-motion-ready .story-morph { height: 500svh; min-height: 3600px; }
.story-motion-ready .story-stage { position: sticky; z-index: 1; top: var(--header-height); height: calc(100svh - var(--header-height)); min-height: 720px; overflow: clip; }
.story-motion-ready .story-copy-layer { position: absolute; inset: 0; height: 100%; }
.story-motion-ready .story-copy { position: absolute; top: 50%; min-height: 0; padding-block: 0; margin-left: 0; opacity: 0; pointer-events: none; transform: translateY(calc(-50% + var(--story-copy-shift, var(--travel-4)))); will-change: opacity, transform; }
.story-motion-ready .story-copy-left { left: var(--page-gutter); }
.story-motion-ready .story-copy-right { right: var(--page-gutter); }
.story-motion-ready .story-copy.is-active { pointer-events: auto; }
.story-motion-ready .story-scroll-track { position: absolute; inset: 0; display: grid; grid-template-rows: repeat(5, 1fr); pointer-events: none; }
.story-anchor { display: block; scroll-margin-top: var(--header-height); }

.eyebrow, .section-index {
  margin: 0 0 24px;
  color: var(--brand-blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
}

.eyebrow { display: flex; align-items: center; gap: 10px; }
.eyebrow span { width: 24px; height: 2px; background: var(--brand-red); }
.hero-english { margin: 0; color: var(--brand-blue); font-size: clamp(28px, 3vw, 42px); font-weight: 700; letter-spacing: -.03em; line-height: 1; }
.story-copy h1 { margin: 3px 0 12px; color: var(--ink-950); font-size: clamp(48px, 5vw, 64px); font-weight: 700; letter-spacing: -.04em; line-height: 1.04; }
.story-copy h2 { margin: 0; font-size: clamp(38px, 4vw, 56px); font-weight: 700; letter-spacing: -.045em; line-height: 1.1; }
.story-copy > p:not(.eyebrow, .hero-english, .hero-slogan, .hero-summary, .section-index) { margin: 22px 0 0; color: var(--ink-700); font-size: 18px; line-height: 1.72; }
.hero-slogan { margin: 0 0 20px; color: var(--brand-red); font-size: clamp(22px, 2vw, 30px); font-weight: 650; line-height: 1.25; }
.hero-summary { max-width: 580px; margin: 0; color: var(--ink-700); font-size: 18px; line-height: 1.75; }
.hero-summary + .hero-summary { margin-top: 16px; }
.hero-summary::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 9px; border-radius: 50%; background: var(--brand-red); vertical-align: 1px; }
.cases-intro p { font-size: 17px; }
.cases-intro p::before { content: ""; display: inline-block; width: 7px; height: 7px; margin-right: 9px; border-radius: 50%; background: var(--brand-red); vertical-align: 1px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.button {
  min-height: 48px;
  padding: 0 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: color var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out), border-color var(--dur-micro) var(--ease-out), transform var(--dur-micro) var(--ease-out);
}

.button:hover { transform: translateY(calc(var(--travel-1) * -1)); }
.button:active { transform: translateY(1px); }
.button-primary { color: var(--white); background: var(--brand-red); border-color: var(--brand-red); }
.button-primary:hover { background: var(--brand-red-hover); border-color: var(--brand-red-hover); }
.button-secondary { color: var(--brand-blue); background: var(--white); border-color: var(--brand-blue); }
.button-secondary:hover { background: var(--surface-50); }

.particle-stage {
  position: absolute;
  z-index: 1;
  top: 0;
  left: 0;
  width: 100%;
  height: calc(100svh - var(--header-height));
  min-height: 720px;
  display: none;
  pointer-events: none;
  background: var(--white);
}

.story-motion-ready .particle-stage { height: 100%; min-height: 0; display: block; }

.particle-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; visibility: hidden; transition: opacity var(--dur-panel) var(--ease-out); }
#particleCanvas { z-index: 2; }
#particleFallbackCanvas { z-index: 1; }
.particle-stage.is-ready #particleCanvas { opacity: 1; visibility: visible; }
.particle-stage.is-canvas-fallback #particleFallbackCanvas { opacity: 1; visibility: visible; }

.story-static-particle {
  position: absolute;
  top: 50%;
  width: min(44vw, 760px);
  height: min(74vh, 780px);
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translateY(-50%);
  pointer-events: none;
}
.story-copy-left .story-static-particle { left: calc(100% + clamp(24px, 4.5vw, 84px)); }
.story-copy-right .story-static-particle { right: calc(100% + clamp(24px, 4.5vw, 84px)); }
.story-static-particle img { width: 100%; height: 100%; object-fit: contain; }
.story-motion-ready .particle-stage.is-ready ~ .story-copy-layer .story-static-particle,
.story-motion-ready .particle-stage.is-canvas-fallback ~ .story-copy-layer .story-static-particle { display: none; }

.story-progress { position: absolute; z-index: 5; right: var(--page-gutter); bottom: 28px; align-items: baseline; gap: 7px; color: var(--ink-600); }
.story-motion-ready .story-progress { display: flex; }
.story-progress strong { color: var(--brand-red); font-size: 22px; }
.story-progress span { font-size: 12px; font-weight: 650; }
.story-scroll-hint { position: absolute; z-index: 5; left: var(--page-gutter); bottom: 28px; margin: 0; align-items: center; gap: 8px; color: var(--ink-600); font-size: 10px; font-weight: 700; letter-spacing: .1em; }
.story-motion-ready .story-scroll-hint { display: flex; }
.story-scroll-hint svg { color: var(--brand-blue); font-size: 16px; }
.story-fact-list, .story-evidence-list { margin: 34px 0 0; border-top: 1px solid var(--ink-950); }
.story-fact-list div { min-height: 58px; padding: 13px 0; display: grid; grid-template-columns: 96px 1fr; gap: 18px; border-bottom: 1px solid var(--line-200); }
.story-fact-list dt, .story-evidence-list dt { color: var(--ink-600); font-size: 12px; font-weight: 650; }
.story-fact-list dd, .story-evidence-list dd { margin: 0; font-size: 15px; line-height: 1.55; }
/* 品牌定位事实清单：标签列红色短横 + 竖分隔线，值列统一，表格感更整齐 */
.story-fact-list div { grid-template-columns: 118px 1fr; gap: 0; align-items: center; }
.story-fact-list dt { display: flex; align-items: baseline; gap: 9px; padding-right: 18px; border-right: 1px solid var(--line-200); }
.story-fact-list dt::before { content: ""; flex: 0 0 auto; width: 10px; height: 2px; background: var(--brand-red); }
.story-fact-list dd { padding-left: 18px; color: var(--ink-700); }
.story-process-grid { margin: 32px 0 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); list-style: none; border-top: 1px solid var(--ink-950); border-left: 1px solid var(--line-200); }
.story-process-grid li { min-height: 94px; padding: 16px; display: grid; grid-template-columns: 30px 1fr; gap: 3px 10px; border-right: 1px solid var(--line-200); border-bottom: 1px solid var(--line-200); }
.story-process-grid > li > span { grid-row: 1 / 3; color: var(--brand-red); font-size: 11px; font-weight: 700; }
.story-process-grid strong { font-size: 18px; line-height: 1.3; }
.story-process-grid small { color: var(--ink-600); font-size: 13px; }
.story-evidence-list div { min-height: 68px; padding: 13px 0; display: grid; grid-template-columns: 92px 1fr auto; gap: 14px; align-items: start; border-bottom: 1px solid var(--line-200); }
.story-evidence-list span { padding: 4px 6px; color: var(--warning); border: 1px solid var(--warning); border-radius: 4px; font-size: 10px; font-weight: 700; }

/* 人物浏览：在同一紧凑视窗中切换图片与介绍，师资未确认时只显示明确占位。 */
.person-browser { width: min(100%, 610px); margin-top: 24px; border-top: 1px solid var(--ink-950); border-bottom: 1px solid var(--ink-950); }
.person-browser-viewport { height: 270px; }
.person-browser-slide { height: 270px; display: grid; grid-template-columns: 180px 1fr; background: rgba(255, 255, 255, .94); }
.person-browser-slide[hidden] { display: none; }
.person-browser-slide.is-active { animation: person-slide-enter 360ms var(--ease-out) both; }
.person-browser-slide > img,
.person-portrait-placeholder { width: 100%; height: 246px; object-fit: cover; object-position: center top; background: var(--surface-100); border-right: 1px solid var(--line-200); }
.person-portrait-placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 12px; color: var(--ink-600); text-align: center; }
.person-portrait-placeholder svg { color: var(--brand-blue); font-size: 36px; }
.person-portrait-placeholder span { max-width: 120px; font-size: 12px; }
.person-browser-copy { min-width: 0; padding: 20px; display: flex; flex-direction: column; align-items: flex-start; }
.person-browser-copy > small { color: var(--brand-blue); font-size: 11px; font-weight: 700; letter-spacing: .06em; }
.person-browser-copy h3 { margin: 7px 0 0; font-size: 24px; line-height: 1.2; }
.person-browser-copy p { margin: 10px 0 0; color: var(--ink-700); font-size: 14px; line-height: 1.58;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 5; overflow: hidden; }
.person-browser-controls { min-height: 48px; padding-left: 14px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line-200); background: var(--white); }
.person-browser-controls > span { color: var(--ink-600); font-size: 11px; font-weight: 650; }
.person-browser-controls > span strong { color: var(--brand-red); font-size: 15px; }
.person-browser-controls > div { display: flex; }
.person-browser-controls button { width: 48px; height: 48px; padding: 0; display: inline-flex; align-items: center; justify-content: center; color: var(--brand-blue); background: var(--white); border: 0; border-left: 1px solid var(--line-200); cursor: pointer; transition: color var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out); }
.person-browser-controls button:hover { color: var(--brand-red); background: var(--surface-50); }
.person-browser-controls button svg { font-size: 18px; }
.person-browser-controls [data-person-autoplay] [data-person-play-icon] { display: none; }
.person-browser-controls [data-person-autoplay][aria-pressed="true"] [data-person-pause-icon] { display: none; }
.person-browser-controls [data-person-autoplay][aria-pressed="true"] [data-person-play-icon] { display: block; }

@keyframes person-slide-enter {
  from { opacity: 0; transform: translateX(10px); }
  to { opacity: 1; transform: translateX(0); }
}
.anchor-alias { position: absolute; top: 0; scroll-margin-top: calc(var(--header-height) + 64px); }
.section-heading { max-width: 720px; }
.section-heading h2, .product-copy h2, .contact-copy h2 { margin: 0; font-size: clamp(32px, 3vw, 44px); font-weight: 700; letter-spacing: -.035em; line-height: 1.16; }
.section-heading > p:not(.section-index), .product-copy > p, .contact-copy > p { margin: 20px 0 0; color: var(--ink-700); font-size: 17px; line-height: 1.72; }
.section-heading-row { max-width: none; display: grid; grid-template-columns: 1.1fr .7fr; align-items: end; gap: 72px; }
.section-heading-row > p { margin-bottom: 4px !important; }
.compact-heading { max-width: 800px; }

.text-link { margin-top: 28px; display: inline-flex; align-items: center; gap: 8px; color: var(--brand-blue); font-weight: 700; text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: .25em; }

.capability-showcase { padding-top: var(--section-y); background: var(--white); }
.capability-showcase-intro { padding-bottom: clamp(48px, 6vw, 80px); }
.capability-chapter-nav { position: sticky; z-index: 40; top: var(--header-height); background: var(--white); border-top: 1px solid var(--ink-950); border-bottom: 1px solid var(--line-200); }
.capability-chapter-nav-inner { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.capability-chapter-nav a { position: relative; min-height: 64px; padding: 0 18px; display: flex; flex-wrap: wrap; align-content: center; align-items: center; gap: 4px 10px; color: var(--ink-600); border-left: 1px solid var(--line-200); font-size: 13px; font-weight: 650; transition: color var(--dur-micro) var(--ease-out), background-color var(--dur-micro) var(--ease-out); }
.capability-chapter-nav a:last-child { border-right: 1px solid var(--line-200); }
.capability-chapter-nav a::after { content: ""; position: absolute; left: -1px; right: -1px; bottom: -1px; height: 3px; background: var(--brand-red); transform: scaleX(0); transform-origin: left; transition: transform var(--dur-micro) var(--ease-out); }
.capability-chapter-nav a:hover, .capability-chapter-nav a.is-active { color: var(--brand-blue); background: var(--surface-50); }
.capability-chapter-nav a.is-active::after { transform: scaleX(1); }
.capability-chapter-nav span { color: var(--brand-red); font-size: 11px; letter-spacing: .08em; }
.capability-chapter-nav .capability-nav-desc { flex-basis: 100%; color: var(--ink-500); letter-spacing: 0; font-size: 12px; font-weight: 450; line-height: 1.45; }

/* 功能：桌面端启用单一粘性文案舞台，右侧媒体仍按页面原生滚动方向连续排列。 */
.capability-shared-stage { display: none; min-width: 0; padding-top: clamp(88px, 8vw, 116px); }
.capability-sticky-ready .capability-shared-boundary {
  position: relative;
  display: grid;
  grid-template-columns: minmax(300px, .55fr) minmax(0, 1.45fr);
  gap: clamp(48px, 6vw, 88px);
  align-items: stretch;
}
.capability-sticky-ready .capability-shared-stage { display: block; }
.capability-shared-copy-shell {
  position: sticky;
  top: calc(var(--header-height) + 108px);
  min-height: var(--capability-copy-height, 560px);
}
.capability-shared-copy-stack { position: relative; min-height: var(--capability-copy-height, 560px); }
.capability-shared-copy-panel {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(18px);
  transition: opacity 320ms var(--ease-out), transform 320ms var(--ease-out);
}
.capability-shared-copy-panel.is-active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.capability-shared-copy-panel .capability-scene-copy { position: static; top: auto; }
.capability-sticky-ready .capability-scenes { min-width: 0; }
.capability-sticky-ready .capability-scene { min-height: 0; padding-block: clamp(88px, 8vw, 116px); display: block; }
.capability-sticky-ready .capability-scene:first-child { padding-top: clamp(88px, 8vw, 116px); }
.capability-sticky-ready .capability-scene-layout { width: 100%; max-width: none; padding-inline: 0; display: block; }
.capability-sticky-ready .capability-visual-stack { width: 100%; margin-inline: 0; }

.capability-scene { position: relative; min-height: 0; padding-block: clamp(88px, 8vw, 116px); border-bottom: 1px solid var(--line-200); scroll-margin-top: calc(var(--header-height) + 64px); }
.capability-scene:nth-child(even) { background: var(--surface-50); }
.capability-scene-layout { display: grid; grid-template-columns: minmax(300px, .55fr) minmax(0, 1.45fr); gap: clamp(48px, 6vw, 88px); align-items: start; }
.capability-scene-copy { position: sticky; top: calc(var(--header-height) + 112px); align-self: start; }
.capability-scene-number { display: flex; align-items: baseline; gap: 8px; color: var(--ink-500); }
.capability-scene-number strong { color: var(--brand-blue); font-size: 36px; font-weight: 720; line-height: .9; letter-spacing: -.055em; transition: color var(--dur-micro) var(--ease-out); }
.capability-scene.is-active .capability-scene-number strong { color: var(--brand-red); }
.capability-scene-number span { font-size: 13px; font-weight: 650; letter-spacing: .08em; }
.capability-scene-copy .evidence-badge { margin-top: 26px; }
.capability-title { max-width: 560px; margin: 20px 0 0; }
.capability-title span { display: block; color: var(--ink-950); font-size: clamp(32px, 2.2vw, 40px); font-weight: 760; line-height: 1.02; letter-spacing: -.045em; text-transform: uppercase; }
.capability-title small { margin-top: 9px; display: block; color: var(--brand-blue); font-size: clamp(25px, 1.8vw, 32px); font-weight: 720; line-height: 1.08; letter-spacing: -.035em; }
.capability-summary { max-width: 560px; margin: 22px 0 0; color: var(--ink-700); font-size: 16px; line-height: 1.68; }
.capability-feature-list { margin-top: 34px; border-top: 1px solid var(--ink-950); }
.capability-feature-list article { padding: 16px 0; display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 14px; border-bottom: 1px solid var(--line-200); }
.capability-feature-list article > span { padding-top: 2px; color: var(--brand-red); font-size: 10px; font-weight: 760; letter-spacing: .08em; }
.capability-feature-list strong { display: block; color: var(--ink-950); font-size: 16px; line-height: 1.35; }
.capability-feature-list p { margin: 6px 0 0; color: var(--ink-600); font-size: 14px; line-height: 1.58; }
.evidence-badge { display: inline-flex; padding: 5px 8px; color: var(--brand-blue); background: var(--white); border: 1px solid var(--brand-blue); border-radius: 4px; font-size: 12px; font-weight: 700; line-height: 1; }

.capability-visual-stack { min-width: 0; display: grid; gap: 0; }
.capability-visual-label { padding-bottom: 12px; display: flex; justify-content: space-between; gap: 20px; color: var(--ink-600); border-bottom: 1px solid var(--ink-950); font-size: 11px; font-weight: 700; letter-spacing: .09em; }
.capability-visual-label small { color: var(--brand-blue); font-size: 11px; letter-spacing: .03em; }
.media-placeholder {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--ink-600);
  background: var(--surface-100);
  border: 1px solid var(--line-200);
  border-radius: 8px;
  overflow: hidden;
}
.capability-frame { position: relative; z-index: 1; margin: 0; overflow: hidden; display: flex; flex-direction: column; background: var(--white); border: 1px solid var(--line-200); border-radius: 8px; }
#personal-replay .capability-visual-stack > .capability-frame { margin-top: 28px; }
.capability-frame-main { width: 92%; min-height: 0; justify-self: start; }
.capability-scene:nth-child(even) .capability-frame-main { justify-self: start; }
.capability-frame > img { order: 2; width: 100%; height: auto; display: block; object-fit: contain; object-position: top center; }
.capability-frame-contain > img { object-fit: contain; background: var(--white); }
/* 超宽截图按原始比例完整展示，避免训练赛列表被 16:10 主画框裁掉两侧内容。 */
.capability-frame-main-ultrawide { aspect-ratio: auto; }
.capability-frame-main-ultrawide > img { height: auto; object-fit: contain; }
.capability-frame figcaption { position: static; order: 1; min-height: 0; padding: 13px 16px; display: flex; flex-direction: column; justify-content: center; color: var(--ink-950); background: var(--white); border-bottom: 1px solid var(--line-200); }
.capability-frame-main figcaption { min-height: 70px; justify-content: center; }
.capability-frame-main-ultrawide figcaption { position: static; }
.capability-frame figcaption strong { font-size: 15px; line-height: 1.2; }
.capability-frame figcaption small { margin-top: 4px; color: var(--ink-600); font-size: 11px; line-height: 1.3; }
/* 副卡上叠遮住主图底部内容,下沉 40px 减少遮挡(P2 反馈) */
.capability-frame-secondary { z-index: 2; width: 80%; min-height: 0; margin: -100px 0 0; justify-self: end; transform: none; background: var(--white); border-top: 3px solid var(--brand-blue); }
.capability-scene:nth-child(even) .capability-frame-secondary { justify-self: end; }
.capability-frame-secondary figcaption { min-height: 58px; padding-block: 10px; }
.capability-frame-secondary-detail { margin-top: -100px; }
.capability-frame-secondary-detail > img { height: auto; object-fit: contain; object-position: top center; }
.capability-frame-secondary-detail figcaption { position: static; }
.capability-frame-secondary-dashboard { margin-top: -100px; }
/* 表格型副图使用图片自然高度和静态图注，保证所有列均可见。 */
.capability-frame-secondary-natural { min-height: 0; aspect-ratio: auto; }
.capability-frame-secondary-natural > img { height: auto; object-fit: contain; object-position: top center; }
.capability-frame-secondary-natural figcaption { position: static; }
/* 五个能力模块统一为主图左上、副图右下；副图只覆盖主图右下角的一部分并继续向下延伸。 */
.capability-frame-coach-review > img { object-position: center 72%; }
.capability-frame-dark { background: #080d17; border-color: #202a3b; }
.capability-frame-dark figcaption { color: var(--white); background: #080d17; border-bottom-color: #2a3446; }
.capability-frame-dark figcaption small { color: #aab5c8; }
.capability-frame-gallery { width: 100%; height: 100%; padding: 14px 14px 74px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; background: #091525; }
.capability-frame-gallery img { width: 100%; height: 100%; display: block; object-fit: contain; object-position: top center; background: #091525; }
.capability-frame-gallery-light { background: var(--white); }
.capability-frame-gallery-light img { background: var(--white); }
.media-placeholder strong { margin-top: 16px; color: var(--ink-950); font-size: 18px; }

.media-placeholder p { margin: 4px 0 10px; }
.media-placeholder small { font-size: 12px; }
.placeholder-toolbar { position: absolute; top: 0; left: 0; right: 0; height: 42px; padding: 0 14px; display: flex; align-items: center; gap: 7px; background: var(--white); border-bottom: 1px solid var(--line-200); }
.placeholder-toolbar span { width: 7px; height: 7px; background: var(--line-200); border-radius: 50%; }
.placeholder-toolbar span:first-child { background: var(--brand-red); }
.placeholder-toolbar small { margin-left: auto; color: var(--ink-600); font-weight: 650; letter-spacing: .08em; }

/* 课程选择：使用三列编辑式资料卡，不加入招生承诺或未确认价格。 */
.course-grid { margin-top: 52px; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--ink-950); border-left: 1px solid var(--line-200); }
.course-card { min-height: 430px; padding: 28px; display: flex; flex-direction: column; background: var(--white); border-right: 1px solid var(--line-200); border-bottom: 1px solid var(--line-200); }
.course-card-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.course-card-head > span { color: var(--brand-red); font-size: 12px; font-weight: 750; letter-spacing: .08em; }
.course-card-head p { margin: 0; display: inline-flex; align-items: center; gap: 7px; color: var(--brand-blue); font-size: 13px; font-weight: 700; }
.course-card-head svg { font-size: 17px; }
.course-card h3 { margin: 34px 0 0; font-size: 25px; line-height: 1.28; }
.course-card > p { margin: 12px 0 0; color: var(--ink-700); font-size: 15.5px; line-height: 1.7; }
.course-card > p > strong { display: block; margin-bottom: 5px; color: var(--ink-950); font-weight: 700; }
.course-card ul { margin: 26px 0 0; padding: 18px 0 0; list-style: none; border-top: 1px solid var(--line-200); }
.course-card li { position: relative; padding: 7px 0 7px 18px; color: var(--ink-700); font-size: 14px; }
.course-card li::before { content: ""; position: absolute; top: 17px; left: 1px; width: 6px; height: 2px; background: var(--brand-red); }
.course-card .course-points { margin: 8px 0 0; padding: 0; border: 0; }
.course-card .course-points li { padding: 5px 0; font-size: 15px; line-height: 1.65; }
.course-card .course-points li::before { content: none; }
.course-card > small { margin-top: auto; padding-top: 22px; color: var(--warning); font-size: 11px; font-weight: 650; }

.case-list { margin-top: 52px; border-top: 1px solid var(--ink-950); }
.case-list article { min-height: 150px; padding: 28px 0; display: grid; grid-template-columns: 160px 1fr 140px; gap: 32px; align-items: start; border-bottom: 1px solid var(--line-200); }
.case-list > article > span { color: var(--ink-600); font-size: 12px; font-weight: 650; letter-spacing: .08em; }
.case-list h3 { margin: 0; font-size: 22px; }
.case-list p { margin: 8px 0 0; color: var(--ink-700); }
.case-list em { justify-self: end; padding: 5px 8px; color: var(--warning); border: 1px solid var(--warning); border-radius: 4px; font-size: 12px; font-style: normal; font-weight: 700; }

.faq-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: clamp(56px, 8vw, 120px); align-items: start; }
.faq-list { border-top: 1px solid var(--ink-950); }
.faq-list details { border-bottom: 1px solid var(--line-200); }
.faq-list summary { min-height: 74px; padding: 18px 0; display: flex; align-items: center; justify-content: space-between; gap: 20px; font-size: 18px; font-weight: 650; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary svg { flex: 0 0 auto; color: var(--brand-blue); transition: transform var(--dur-micro) var(--ease-out); }
.faq-list details[open] summary svg { transform: rotate(180deg); }
.faq-list details p { max-width: 690px; margin: 0; padding: 0 48px 24px 0; color: var(--ink-700); }

.contact-section { background: var(--white); color: var(--ink-950); border-top: 1px solid var(--line-200); }
.contact-section .section-index { margin-bottom: 40px; }
.contact-main { display: grid; grid-template-columns: minmax(170px, .8fr) minmax(230px, .95fr) minmax(0, 1.2fr); gap: clamp(36px, 4vw, 60px); align-items: start; }
.contact-brand { align-self: center; display: flex; flex-direction: column; gap: 14px; align-items: flex-start; padding-right: clamp(28px, 3vw, 44px); border-right: 1px solid var(--line-200); }
.contact-brand img { width: 74px; }
.contact-brand p { margin: 0; color: var(--ink-700); font-size: 16px; line-height: 1.65; font-weight: 650; max-width: 190px; }
.contact-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; padding-left: clamp(28px, 3vw, 44px); border-left: 1px solid var(--line-200); }
.contact-nav-group strong { display: block; padding-bottom: 10px; border-bottom: 1px solid var(--line-200); color: var(--ink-950); font-size: 14px; font-weight: 700; }
.contact-nav-group a { display: block; margin-top: 12px; color: var(--ink-600); font-size: 13.5px; text-decoration: none; }
.contact-nav-group a:hover { color: var(--brand-blue); }
.contact-qr { width: min(100%, 260px); display: flex; flex-direction: column; align-items: center; gap: 16px; padding: 32px 28px; background: var(--white); border: 1px solid var(--line-200); border-radius: 8px; }
.contact-qr img { width: min(100%, 240px); height: auto; display: block; }
.contact-bottom { margin-top: clamp(48px, 6vw, 80px); padding-top: 26px; border-top: 1px solid var(--line-200); display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--ink-600); font-size: 12.5px; }
.contact-bottom a { display: inline-flex; align-items: center; gap: 7px; color: var(--brand-blue); font-weight: 650; }
.contact-bottom a:hover { color: var(--brand-red); }
.contact-form { padding: 32px; color: var(--ink-950); background: var(--white); border-radius: 8px; }
.form-row { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.contact-form label, .contact-form legend { color: var(--ink-950); font-size: 14px; font-weight: 650; }
.contact-form input[type="text"], .contact-form textarea { width: 100%; min-height: 48px; margin-top: 7px; padding: 12px 14px; color: var(--ink-950); background: var(--white); border: 1px solid var(--line-200); border-radius: 6px; outline: 0; }
.contact-form textarea { resize: vertical; }
.contact-form input[type="text"]:focus, .contact-form textarea:focus { border: 2px solid var(--brand-blue); padding: 11px 13px; }
.contact-form fieldset { margin: 22px 0; padding: 0; border: 0; }
.checkbox-grid { margin-top: 10px; display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.checkbox-grid label { min-height: 46px; padding: 10px 12px; display: flex; align-items: center; gap: 9px; background: var(--surface-50); border: 1px solid var(--line-200); border-radius: 4px; cursor: pointer; }
.checkbox-grid input { accent-color: var(--brand-blue); }
.contact-form > .button { margin-top: 22px; }

.site-footer { padding-top: 72px; background: var(--white); border-top: 1px solid var(--line-200); }
.footer-main { padding-bottom: 56px; display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 56px; }
.footer-brand img { width: 74px; }
.footer-brand p { margin: 18px 0 10px; font-weight: 700; }
.footer-brand small { display: block; max-width: 310px; color: var(--ink-600); }
.footer-main > div:not(.footer-brand) { display: flex; flex-direction: column; gap: 10px; }
.footer-main strong { margin-bottom: 8px; font-size: 14px; }
.footer-main a, .footer-main span { color: var(--ink-600); font-size: 14px; }
.footer-main a:hover { color: var(--brand-blue); text-decoration: underline; text-underline-offset: .25em; }
.footer-bottom { min-height: 66px; display: flex; align-items: center; justify-content: space-between; gap: 24px; border-top: 1px solid var(--line-200); color: var(--ink-600); font-size: 13px; }
.footer-bottom a { display: inline-flex; align-items: center; gap: 7px; color: var(--brand-blue); font-weight: 650; }

.mobile-contact-bar { display: none; }
.noscript-notice { position: fixed; z-index: 300; left: 16px; right: 16px; bottom: 16px; padding: 14px; color: var(--white); background: var(--ink-950); text-align: center; }

.motion-ready [data-reveal] { opacity: 0; transform: translateY(var(--travel-4)); }
.motion-ready [data-reveal].is-visible { opacity: 1; transform: translateY(0); transition: opacity var(--dur-entry) var(--ease-out), transform var(--dur-entry) var(--ease-out); }

@media (max-width: 1180px) {
  .nav-shell { grid-template-columns: minmax(170px, 1fr) auto auto; gap: 12px; }
  .desktop-nav { gap: 0; }
  .nav-trigger, .nav-link { padding-inline: 9px; font-size: 13px; }
  .header-test-entry, .header-contact { padding-inline: 11px; font-size: 13px; }
  .story-copy { width: min(46%, 560px); }
  .capability-scene-layout { grid-template-columns: minmax(280px, .65fr) minmax(0, 1.35fr); gap: 44px; }
  .capability-sticky-ready .capability-shared-boundary { grid-template-columns: minmax(280px, .65fr) minmax(0, 1.35fr); gap: 44px; }
  .capability-chapter-nav a { padding-inline: 12px; }
  .course-card { padding: 24px; }
}

@media (max-width: 920px) {
  :root { --header-height: 64px; --page-gutter: 24px; }
  .nav-shell { display: flex; justify-content: space-between; }
  .desktop-nav, .header-actions { display: none; }
  .brand img { width: 40px; height: 40px; }
  .menu-toggle { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; color: var(--ink-950); background: var(--white); border: 1px solid var(--line-200); border-radius: 6px; cursor: pointer; }
  .menu-toggle svg { font-size: 22px; }

  .mobile-menu-shell { position: fixed; z-index: 160; inset: 0; display: block; visibility: hidden; pointer-events: none; }
  .mobile-menu-shell.is-open { visibility: visible; pointer-events: auto; }
  .mobile-menu-backdrop { position: absolute; inset: 0; width: 100%; height: 100%; padding: 0; background: rgba(10,13,20,.52); border: 0; opacity: 0; transition: opacity var(--dur-panel) var(--ease-out); }
  .mobile-menu-shell.is-open .mobile-menu-backdrop { opacity: 1; }
  .mobile-menu-panel { position: absolute; top: 0; bottom: 0; left: 0; width: min(88vw, 390px); padding: 20px; display: flex; flex-direction: column; background: var(--white); transform: translateX(-100%); transition: transform var(--dur-panel) var(--ease-in); overflow-y: auto; }
  .mobile-menu-shell.is-open .mobile-menu-panel { transform: translateX(0); transition-timing-function: var(--ease-out); }
  .mobile-menu-head { min-height: 48px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line-200); font-weight: 700; }
  .mobile-menu-head button { width: 44px; height: 44px; display: inline-flex; align-items: center; justify-content: center; background: var(--white); border: 0; cursor: pointer; }
  .mobile-menu-panel nav { margin-top: 18px; }
  .mobile-menu-panel details, .mobile-menu-link { display: block; border-bottom: 1px solid var(--line-200); }
  .mobile-menu-panel summary, .mobile-menu-link { min-height: 52px; display: flex; align-items: center; justify-content: space-between; font-weight: 650; cursor: pointer; list-style: none; }
  .mobile-menu-panel summary::-webkit-details-marker { display: none; }
  .mobile-menu-panel summary svg { transition: transform var(--dur-micro) var(--ease-out); }
  .mobile-menu-panel details[open] summary svg { transform: rotate(180deg); }
  .mobile-menu-panel details a { display: block; padding: 9px 14px; color: var(--ink-700); font-size: 14px; }
  .mobile-menu-panel details a:last-child { padding-bottom: 16px; }
  .mobile-product-link { color: var(--brand-blue); }
  .mobile-menu-actions { margin-top: auto; padding-top: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
  .mobile-menu-actions .button { min-width: 0; padding-inline: 12px; }
  .mobile-menu-test { color: var(--brand-blue); background: var(--white); border: 1px solid var(--brand-blue); cursor: pointer; }
  .story-copy { width: 100%; min-height: max(780px, calc(100svh - var(--header-height))); padding-block: 64px 88px; justify-content: flex-start; }
  .story-copy-right { margin-left: 0; }
  .story-motion-ready .story-morph { min-height: 3900px; }
  .story-motion-ready .story-stage { min-height: 780px; }
  .story-motion-ready .story-copy,
  .story-motion-ready .story-copy-left,
  .story-motion-ready .story-copy-right { top: 42px; left: var(--page-gutter); right: var(--page-gutter); width: auto; transform: translateY(var(--story-copy-shift, var(--travel-4))); }
  .story-copy h2 { font-size: clamp(34px, 6vw, 44px); }
  .story-static-particle,
  .story-copy-left .story-static-particle,
  .story-copy-right .story-static-particle {
    position: relative;
    inset: auto;
    width: min(100%, 560px);
    height: clamp(270px, 46vw, 430px);
    margin: 34px auto 0;
    transform: none;
  }
  .hero-summary { font-size: 16px; }
  .story-fact-list, .story-process-grid, .story-evidence-list { width: min(100%, 560px); margin-top: 24px; }
  .story-fact-list div { min-height: 50px; padding-block: 9px; }
  .story-process-grid li { min-height: 76px; padding: 12px; }
  .story-evidence-list div { min-height: 58px; padding-block: 9px; }

  .section-heading-row { grid-template-columns: 1fr; gap: 20px; align-items: start; }
  .section-heading-row > p { max-width: 680px; }
  .faq-layout { grid-template-columns: 1fr; gap: 48px; }
  .capability-chapter-nav { position: static; }
  .capability-chapter-nav-inner { grid-template-columns: repeat(3, 1fr); }
  .capability-chapter-nav a:nth-child(3) { border-right: 1px solid var(--line-200); }
  .capability-chapter-nav a:nth-child(n+4) { border-top: 1px solid var(--line-200); }
  .capability-scene { min-height: 0; scroll-margin-top: var(--header-height); }
  .capability-scene-layout { grid-template-columns: 1fr; gap: 56px; }
  .capability-scene-copy { position: static; }
  .capability-visual-stack { width: min(100%, 760px); margin-inline: auto; }
  .course-grid { grid-template-columns: 1fr; }
  .course-card { min-height: 0; }
  .case-list article { grid-template-columns: 120px 1fr; }
  .case-list em { grid-column: 2; justify-self: start; }
  .contact-main { grid-template-columns: 1fr; gap: 40px; }
  .contact-qr { justify-self: center; }
  .contact-brand { align-items: center; text-align: center; border-right: 0; padding-right: 0; }
  .contact-brand p { max-width: none; }
  .contact-brand img { margin-inline: auto; }
  .contact-nav { width: min(100%, 440px); gap: 28px; border-left: 0; padding-left: 0; }
  .contact-bottom { flex-direction: column; align-items: center; gap: 10px; text-align: center; }
  .footer-main { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  :root { --page-gutter: 20px; --section-y: 68px; }
  body { padding-bottom: 64px; }
  .brand-label small { display: none; }
  .story-copy { min-height: max(760px, calc(100svh - var(--header-height))); padding-block: 38px 72px; }
  .story-motion-ready .story-morph { min-height: 3800px; }
  .story-motion-ready .story-stage { min-height: 760px; }
  .story-motion-ready .story-copy,
  .story-motion-ready .story-copy-left,
  .story-motion-ready .story-copy-right { top: 30px; }
  /* 手机端：粒子动画舞台铺满整屏（z1，被文案 z3 遮挡但透明区透出）。
     给文案衬白色底，粒子只在文案下方空白区域可见，不再穿插/叠在文案上。 */
  .story-motion-ready .story-copy,
  .story-motion-ready .story-copy-left,
  .story-motion-ready .story-copy-right { background: var(--white); }
  .eyebrow { margin-bottom: 14px; font-size: 10px; }
  .hero-english { font-size: 25px; }
  .story-copy h1 { margin-top: 1px; font-size: clamp(40px, 12vw, 48px); }
  .story-copy h2 { font-size: clamp(24px, 7.4vw, 34px); }
  .story-copy > p:not(.eyebrow, .hero-english, .hero-slogan, .hero-summary, .section-index) { margin-top: 15px; font-size: 15px; line-height: 1.58; }
  .hero-slogan { max-width: 320px; margin-bottom: 12px; font-size: 21px; }
  .hero-summary { max-width: 360px; font-size: 16px; line-height: 1.62; }
  .hero-actions { margin-top: 18px; gap: 8px; }
  .hero-actions .button { min-height: 44px; padding: 0 13px; font-size: 13px; }
  .story-static-particle,
  .story-copy-left .story-static-particle,
  .story-copy-right .story-static-particle { height: 330px; margin-top: 22px; }
  .story-fact-list, .story-process-grid, .story-evidence-list { margin-top: 18px; }
  .story-fact-list div { grid-template-columns: 96px 1fr; gap: 0; padding-block: 11px; }
  .story-fact-list dt { padding-right: 12px; gap: 7px; font-size: 11px; }
  .story-fact-list dt::before { width: 8px; height: 2px; }
  .story-fact-list dd { padding-left: 12px; font-size: 13px; line-height: 1.5; }
  .story-process-grid li { min-height: 88px; padding: 14px; grid-template-columns: 28px 1fr; }
  .story-process-grid > li > span { font-size: 12px; }
  .story-process-grid strong { font-size: 16.5px; }
  .story-process-grid small { font-size: 13px; line-height: 1.5; }
  .story-evidence-list div { grid-template-columns: 76px 1fr auto; gap: 8px; }
  .story-evidence-list dd { font-size: 12px; }
  .person-browser { margin-top: 16px; }
  .person-browser-viewport, .person-browser-slide { height: 210px; }
  .person-browser-slide { grid-template-columns: 128px 1fr; }
  .person-browser-slide > img, .person-portrait-placeholder { height: 210px; }
  .person-browser-copy { padding: 14px; }
  .person-browser-copy h3 { margin-top: 4px; font-size: 19px; }
  .person-browser-copy p { margin-top: 7px; font-size: 12px; line-height: 1.48;
     display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 4; overflow: hidden; }
  .person-browser-controls, .person-browser-controls button { min-height: 42px; height: 42px; }
  .story-progress { right: var(--page-gutter); bottom: 18px; }

  /* 手机前五屏由手势脚本确定性切换；技术能力区及后续内容继续保持原生滚动。 */
  .story-gesture-mode-ready .story-scroll-hint { display: flex !important; bottom: 18px; }

  .section-heading h2, .product-copy h2, .contact-copy h2 { font-size: clamp(30px, 9vw, 36px); }
  .section-heading > p:not(.section-index), .product-copy > p, .contact-copy > p { font-size: 16px; }
  .section-index { margin-bottom: 16px; }
  .capability-showcase-intro { padding-bottom: 42px; }
  .capability-chapter-nav-inner { grid-template-columns: repeat(2, 1fr); }
  .capability-chapter-nav a, .capability-chapter-nav a:nth-child(3), .capability-chapter-nav a:last-child { min-height: 52px; border-right: 1px solid var(--line-200); }
  .capability-chapter-nav a:nth-child(n+3) { border-top: 1px solid var(--line-200); }
  .capability-scene { padding-block: 68px; }
  .capability-scene-layout { gap: 42px; }
  .capability-scene-number strong { font-size: 32px; }
  .capability-title span { font-size: clamp(31px, 8.4vw, 38px); }
  .capability-title small { font-size: clamp(25px, 7vw, 31px); }
  .capability-summary { margin-top: 18px; font-size: 16px; }
  .capability-feature-list { margin-top: 28px; }
  .capability-feature-list article { padding-block: 15px; }
  .capability-visual-stack { gap: 0; }
  #personal-replay .capability-visual-stack > .capability-frame { margin-top: 16px; }
  .capability-frame-main { width: 100%; min-height: 0; }
  .capability-frame-main figcaption { min-height: 64px; }
  .capability-frame-secondary { width: 88%; min-height: 0; margin-top: -70px; transform: none; }
  .capability-frame-secondary-detail, .capability-frame-secondary-dashboard { margin-top: -70px; }
  .capability-frame-secondary-natural { min-height: 0; }
  .capability-frame-secondary-detail { aspect-ratio: auto; }
  .capability-frame figcaption { min-height: 54px; padding: 10px 12px; }
  .capability-frame.capability-frame-main figcaption { min-height: 64px; }
  .capability-frame-gallery { padding: 10px 10px 64px; gap: 8px; }
  .placeholder-toolbar small { font-size: 9px; }


  .course-grid { margin-top: 34px; }
  .course-card { padding: 22px 18px; }
  .course-card h3 { margin-top: 28px; font-size: 23px; }
  /* 章节导航：2×2 + 1 通栏，避免 3+2 网格末行缺角、参差 */
  .capability-chapter-nav-inner { grid-template-columns: 1fr 1fr; }
  .capability-chapter-nav a { min-height: 52px; padding: 0 12px; gap: 8px; font-size: 12px; }
  .capability-chapter-nav .capability-nav-desc { font-size: 10.5px; }
  .capability-chapter-nav a:nth-child(2),
  .capability-chapter-nav a:nth-child(4) { border-right: 1px solid var(--line-200); }
  .capability-chapter-nav a:nth-child(3) { border-right: 0; }
  .capability-chapter-nav a:nth-child(n+3) { border-top: 1px solid var(--line-200); }
  .capability-chapter-nav a:last-child { grid-column: 1 / -1; }
  .case-list article { grid-template-columns: 1fr; gap: 10px; }
  .case-list em { grid-column: 1; }
  .faq-list summary { font-size: 16px; }
  .faq-list details p { padding-right: 0; }

  .contact-form { padding: 22px 18px; }
  .contact-qr { padding: 26px 18px; }
  .contact-section .section-index { margin-bottom: 28px; }
  .contact-main { gap: 32px; }
  .contact-nav { width: 100%; gap: 20px; }
  .contact-nav-group strong { font-size: 13px; }
  .contact-nav-group a { font-size: 12.5px; margin-top: 10px; }
  .form-row, .checkbox-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr 1fr; gap: 38px 24px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-main > div:last-child { grid-column: 1 / -1; }
  .footer-bottom { padding-block: 18px; flex-direction: column; align-items: flex-start; }

  .mobile-contact-bar { position: fixed; z-index: 90; left: 12px; right: 12px; bottom: 10px; min-height: 52px; display: inline-flex; box-shadow: 0 8px 22px rgba(10,13,20,.2); }
  .mobile-contact-bar.is-hidden { transform: translateY(calc(100% + 24px)); }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --dur-micro: 0ms;
    --dur-entry: 0ms;
    --dur-panel: 0ms;
    --travel-1: 0px;
    --travel-2: 0px;
    --travel-3: 0px;
    --travel-4: 0px;
  }
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition-duration: 0.001ms !important; }
  #particleCanvas, #particleFallbackCanvas { display: none; }
  .motion-ready [data-reveal] { opacity: 1; transform: none; }
  .button:hover { transform: none; }
  html { scroll-snap-type: none !important; }
  .capability-feature-list, .capability-frame-secondary { display: block !important; }
  .capability-shared-copy-panel { transition: none !important; transform: none; }
}


/* 选手发掘矩阵(P2 定制):编号角标放介绍右侧,介绍全宽展示、不折叠、高度自适应 */
.person-browser-cases .person-browser-viewport,
.person-browser-cases .person-browser-slide { height: auto; min-height: 246px; }
/* 左列照片/占位格与文案等高撑满整卡(cover 裁切不变形),避免文案较长时照片下方露出空白、底边悬空 */
.person-browser-cases .person-browser-slide > img,
.person-browser-cases .person-portrait-placeholder { height: 100%; }
.person-browser-cases .person-browser-copy { position: relative; padding-right: 84px; }
.person-browser-cases .person-browser-copy > small {
  position: absolute; top: 20px; right: 18px;
  font-size: 15px; letter-spacing: .08em; white-space: nowrap;
}
@media (max-width: 640px) {
  .person-browser-cases .person-browser-viewport,
  .person-browser-cases .person-browser-slide { height: auto; min-height: 210px; }
  .person-browser-cases .person-browser-copy { padding-right: 12px; }
  /* 角标改为放在姓名右侧同行（基线对齐），省出原先独占一行的高度 */
  .person-browser-cases .person-browser-copy { flex-direction: row; flex-wrap: wrap; align-items: baseline; column-gap: 9px; row-gap: 0; }
  .person-browser-cases .person-browser-copy h3 { order: 1; margin-top: 0; }
  .person-browser-cases .person-browser-copy > small { order: 2; position: static; display: block; margin: 0; }
  .person-browser-cases .person-browser-copy p { order: 3; flex-basis: 100%; }
}
.person-browser-cases .person-browser-copy p {
  display: block; -webkit-line-clamp: unset; -webkit-box-orient: unset;
  overflow: visible; max-height: none;
}
@media (max-width: 640px) {
  .person-browser-cases .person-browser-copy p {
    display: block; -webkit-line-clamp: unset; -webkit-box-orient: unset;
    overflow: visible; max-height: none;
  }
}

/* 师资力量(person-browser 非 -cases)：介绍文案不折叠，卡片高度随内容自适应;
   照片/占位格 cover 撑满整卡（与 cases 卡一致，避免文案被截断） */
.person-browser:not(.person-browser-cases) .person-browser-viewport,
.person-browser:not(.person-browser-cases) .person-browser-slide { height: auto; min-height: 270px; }
.person-browser:not(.person-browser-cases) .person-browser-slide > img,
.person-browser:not(.person-browser-cases) .person-portrait-placeholder { height: 100%; }
/* 教练照片放大：白底抠图顶部留白较多（杨喆≈15%/OBONE≈9%/托比≈6%），
   裁掉顶部空白让头身更贴近卡框顶部，等价放大 ≈1.18/1.10/1.06（cover 不变形） */
.person-browser:not(.person-browser-cases) .person-browser-slide:nth-child(1) > img { object-view-box: inset(15% 0 0 0); }
.person-browser:not(.person-browser-cases) .person-browser-slide:nth-child(2) > img { object-view-box: inset(9% 0 0 0); }
.person-browser:not(.person-browser-cases) .person-browser-slide:nth-child(3) > img { object-view-box: inset(6% 0 0 0); }
.person-browser:not(.person-browser-cases) .person-browser-copy p {
  display: block; -webkit-line-clamp: unset; -webkit-box-orient: unset;
  overflow: visible; max-height: none;
}
@media (max-width: 640px) {
  .person-browser:not(.person-browser-cases) .person-browser-viewport,
  .person-browser:not(.person-browser-cases) .person-browser-slide { min-height: 210px; }
}

/* 师资力量人物卡文案排版：姓名下方头衔行 + 品牌红圆点分点式介绍 */
.person-browser:not(.person-browser-cases) .person-browser-copy > small { margin-top: 6px; letter-spacing: .04em; }
.person-browser:not(.person-browser-cases) .person-browser-copy p { margin-top: 11px; font-size: 14.5px; line-height: 1.62; }
.person-browser:not(.person-browser-cases) .person-browser-copy p::before {
  content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 8px;
  border-radius: 50%; background: var(--brand-red); vertical-align: 1px;
}
@media (max-width: 640px) {
  .person-browser:not(.person-browser-cases) .person-browser-copy > small { margin-top: 4px; }
  .person-browser:not(.person-browser-cases) .person-browser-copy p { margin-top: 9px; font-size: 13.5px; line-height: 1.58; }
  .person-browser:not(.person-browser-cases) .person-browser-copy p::before { width: 5px; height: 5px; margin-right: 7px; }
}