/* SalesFlow 营销官网样式。
   品牌语法：纸白基底、墨色结构、朱砂推进线；独立于 CRM 的 Tailwind 体系，整站零业务 JS。 */

@font-face {
  font-family: 'Fraunces';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url('/fonts/fraunces-latin-var.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215,
    U+FEFF, U+FFFD;
}

:root {
  --mk-paper: #f5f2ea;
  --mk-paper-card: #fffdf8;
  --mk-paper-shade: #f0ece2;
  --mk-ink: #26231e;
  --mk-ink-soft: #373028;
  --mk-body: #544c41;
  --mk-muted: #6b6154;
  --mk-vermilion: #963f35;
  --mk-vermilion-deep: #6d2c25;
  --mk-vermilion-bright: #d8836f;
  --mk-line: #d3cabd;
  --mk-line-soft: #e3dccf;
  --mk-display: 'Fraunces', 'Songti SC', 'STSong', 'Noto Serif CJK SC', serif;
  --mk-font: 'SF Pro Text', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei UI',
    'Microsoft YaHei', 'Noto Sans CJK SC', system-ui, -apple-system, sans-serif;
  --mk-mono: 'SFMono-Regular', 'SF Mono', Menlo, Consolas, 'Liberation Mono', monospace;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--mk-font);
  font-size: 16px;
  line-height: 1.75;
  color: var(--mk-ink);
  background: var(--mk-paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  color: var(--mk-paper-card);
  background: var(--mk-vermilion);
}

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

img {
  max-width: 100%;
}

p {
  margin: 0 0 1em;
}

h1,
h2,
h3,
h4 {
  margin: 0 0 0.55em;
  font-weight: 600;
  line-height: 1.2;
  text-wrap: balance;
}

ul,
ol {
  margin: 0;
  padding: 0;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 2px solid var(--mk-vermilion);
  outline-offset: 3px;
}

.mk-skip {
  position: fixed;
  top: 12px;
  left: 16px;
  z-index: 100;
  padding: 10px 16px;
  color: var(--mk-paper-card);
  background: var(--mk-ink);
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

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

.mk-container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 44px);
}

/* ---------- 品牌系统 ---------- */

.mk-eyebrow {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7em;
  margin: 0 0 1.4rem;
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.67rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.mk-eyebrow > span:not(.mk-eyebrow-dot) {
  color: var(--mk-line);
}

.mk-eyebrow-dot {
  width: 6px;
  height: 6px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--mk-vermilion);
  box-shadow: 0 0 0 4px rgba(150, 63, 53, 0.1);
}

.mk-eyebrow-light {
  color: rgba(255, 253, 248, 0.58);
}

.mk-eyebrow-light > span:not(.mk-eyebrow-dot) {
  color: rgba(255, 253, 248, 0.24);
}

.mk-title-line {
  display: block;
}

.mk-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.7em;
  min-height: 44px;
  padding: 0.7rem 1.1rem;
  border: 1px solid transparent;
  border-radius: 2px;
  font-family: var(--mk-font);
  font-size: 0.88rem;
  font-weight: 650;
  line-height: 1.3;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition:
    background-color 180ms ease,
    color 180ms ease,
    border-color 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
}

.mk-btn-primary {
  border-color: var(--mk-ink);
  color: var(--mk-paper-card);
  background: var(--mk-ink);
  box-shadow: inset 0 -2px 0 var(--mk-vermilion);
}

.mk-btn-primary:hover {
  background: var(--mk-ink-soft);
  transform: translateY(-1px);
  box-shadow:
    inset 0 -2px 0 var(--mk-vermilion),
    0 10px 20px -14px rgba(38, 35, 30, 0.65);
}

.mk-btn-ghost {
  border-color: var(--mk-line);
  color: var(--mk-ink);
  background: transparent;
}

.mk-btn-ghost:hover {
  border-color: var(--mk-ink);
  background: var(--mk-paper-card);
}

.mk-btn-light {
  border-color: var(--mk-paper-card);
  color: var(--mk-paper-card);
  background: transparent;
}

.mk-btn-light:hover {
  color: var(--mk-ink);
  background: var(--mk-paper-card);
}

.mk-btn-outline-light {
  border-color: rgba(255, 253, 248, 0.45);
  color: var(--mk-paper-card);
}

.mk-btn-outline-light:hover {
  border-color: var(--mk-paper-card);
}

.mk-btn-large {
  min-height: 56px;
  padding: 1rem 1.5rem;
  font-size: 1rem;
}

.mk-text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  min-height: 44px;
  color: var(--mk-body);
  font-size: 0.88rem;
  font-weight: 600;
  border-bottom: 1px solid var(--mk-line);
  transition:
    color 180ms ease,
    border-color 180ms ease;
}

.mk-text-link:hover {
  color: var(--mk-vermilion);
  border-color: var(--mk-vermilion);
}

/* ---------- 页头 ---------- */

.mk-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(245, 242, 234, 0.9);
  border-bottom: 1px solid var(--mk-line);
  backdrop-filter: saturate(1.1) blur(14px);
}

.mk-header-inner {
  display: flex;
  align-items: center;
  gap: 32px;
  min-height: 76px;
}

.mk-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  font-weight: 700;
}

/* 真品牌印章图标（docs/brand/salesflow-logo）。 */
.mk-brand-logo {
  display: block;
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
}

.mk-brand-copy {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.mk-brand-name {
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 1.33rem;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.mk-brand-copy small {
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.5rem;
  font-weight: 600;
  line-height: 1.5;
  letter-spacing: 0.13em;
}

.mk-nav {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-right: auto;
  font-size: 0.84rem;
  font-weight: 550;
  color: var(--mk-body);
}

.mk-nav a {
  position: relative;
  padding: 6px 0;
}

.mk-nav a::after {
  content: '';
  position: absolute;
  right: 0;
  bottom: 1px;
  left: 0;
  height: 1px;
  background: var(--mk-vermilion);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 180ms ease;
}

.mk-nav a:hover {
  color: var(--mk-ink);
}

.mk-nav a.is-active {
  color: var(--mk-ink);
  font-weight: 700;
}

.mk-nav a:hover::after,
.mk-nav a.is-active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.mk-nav a.is-active::after {
  background: var(--mk-vermilion);
  height: 2px;
}

.mk-header-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.mk-header-cta .mk-btn-primary {
  border-color: var(--mk-vermilion);
  background: var(--mk-vermilion);
  box-shadow: none;
}

.mk-header-cta .mk-btn-primary:hover {
  border-color: var(--mk-vermilion-deep);
  background: var(--mk-vermilion-deep);
  box-shadow: 0 10px 20px -14px rgba(109, 44, 37, 0.7);
}

.mk-mobile-menu {
  position: relative;
  display: none;
}

.mk-mobile-menu summary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--mk-line);
  color: var(--mk-ink);
  font-size: 0.8rem;
  font-weight: 600;
  list-style: none;
  cursor: pointer;
}

.mk-mobile-menu summary::-webkit-details-marker {
  display: none;
}

.mk-mobile-menu summary::after {
  content: '+';
  margin-left: 6px;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.9rem;
  transition: transform 180ms ease;
}

.mk-mobile-menu[open] summary::after {
  transform: rotate(45deg);
}

.mk-mobile-menu nav {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 30;
  min-width: 210px;
  padding: 10px;
  border: 1px solid var(--mk-ink);
  border-top: 2px solid var(--mk-vermilion);
  background: var(--mk-paper-card);
  box-shadow: 0 18px 40px -24px rgba(38, 35, 30, 0.55);
}

.mk-mobile-menu nav a {
  display: block;
  padding: 10px 12px;
  color: var(--mk-body);
  font-size: 0.86rem;
  border-bottom: 1px solid var(--mk-line-soft);
}

.mk-mobile-menu nav a:hover {
  color: var(--mk-vermilion);
  background: var(--mk-paper);
}

.mk-mobile-menu nav a.is-active {
  color: var(--mk-vermilion);
  font-weight: 700;
  background: var(--mk-paper);
  border-left: 3px solid var(--mk-vermilion);
}

.mk-mobile-menu nav a:last-child {
  border-bottom: 0;
}

.mk-mobile-menu .mk-mobile-login {
  margin-top: 4px;
  color: var(--mk-ink);
  font-weight: 650;
}

/* ---------- 首页首屏 ---------- */

.mk-home-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(64px, 7.6vw, 104px) 0 clamp(72px, 8vw, 108px);
  border-bottom: 1px solid var(--mk-line);
  isolation: isolate;
}

.mk-home-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.48;
  background-image:
    linear-gradient(to right, rgba(107, 97, 84, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(107, 97, 84, 0.08) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.mk-home-hero::after {
  content: '';
  position: absolute;
  top: 0;
  right: clamp(24px, 8vw, 120px);
  z-index: -1;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, rgba(150, 63, 53, 0.25), transparent);
}

.mk-hero-wash {
  position: absolute;
  top: -18%;
  right: -8%;
  z-index: -3;
  width: 64vw;
  height: 64vw;
  max-width: 920px;
  max-height: 920px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(211, 195, 163, 0.42) 0%, rgba(245, 242, 234, 0) 68%);
  pointer-events: none;
}

.mk-home-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(540px, 1.1fr);
  align-items: center;
  gap: clamp(40px, 4.8vw, 72px);
}

.mk-home-hero-copy {
  min-width: 0;
  animation: mk-rise 640ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.mk-home-hero h1 {
  max-width: 10em;
  margin-bottom: 1.2rem;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: clamp(3.1rem, 4.45vw, 4rem);
  font-weight: 600;
  line-height: 1.07;
  letter-spacing: -0.045em;
}

.mk-home-hero h1 > span,
.mk-home-hero h1 em {
  display: block;
}

.mk-home-hero h1 em {
  margin-top: 0.1em;
  color: var(--mk-vermilion);
  font-style: normal;
  font-weight: 600;
}

.mk-hero-lead {
  max-width: 39em;
  margin-bottom: 0;
  color: var(--mk-body);
  font-size: clamp(1rem, 1.3vw, 1.08rem);
  line-height: 1.9;
}

.mk-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin-top: 2rem;
}

.mk-hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 0;
  margin: 1.25rem 0 0;
  padding: 0;
  color: var(--mk-muted);
  font-size: 0.73rem;
  font-weight: 600;
  list-style: none;
}

.mk-hero-proof li {
  display: inline-flex;
  align-items: center;
}

.mk-hero-proof li + li::before {
  content: '';
  width: 1px;
  height: 0.78rem;
  margin: 0 0.8rem;
  background: var(--mk-line);
}

.mk-positioning-lockup {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 1.6rem;
  padding: 7px 10px;
  border: 1px solid var(--mk-line);
  border-left: 3px solid var(--mk-vermilion);
  color: var(--mk-body);
  background: rgba(255, 253, 248, 0.66);
  font-size: 0.76rem;
  font-weight: 650;
  line-height: 1.5;
}

.mk-positioning-product {
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
}

.mk-positioning-divider {
  width: 1px;
  height: 0.9rem;
  background: var(--mk-line);
}

.mk-stage-conclusion {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
  padding: 14px 18px;
  border-top: 1px solid var(--mk-line);
  background: var(--mk-paper-shade);
}

.mk-stage-conclusion span {
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.56rem;
  letter-spacing: 0.06em;
}

.mk-stage-conclusion strong {
  color: var(--mk-ink);
  font-size: 0.76rem;
  font-weight: 650;
}

/* ---------- 签名元素：双端推进画布 ---------- */

.mk-signal-stage {
  position: relative;
  min-width: 0;
  border: 1px solid var(--mk-ink);
  border-top-width: 2px;
  border-radius: 2px;
  background: rgba(255, 253, 248, 0.84);
  box-shadow:
    14px 14px 0 rgba(150, 63, 53, 0.09),
    0 32px 80px -64px rgba(38, 35, 30, 0.7);
  animation: mk-stage-in 760ms cubic-bezier(0.22, 1, 0.36, 1) 80ms both;
}

.mk-signal-stage::after {
  content: '';
  position: absolute;
  top: -2px;
  left: 18%;
  width: 72px;
  height: 2px;
  background: var(--mk-vermilion);
}

.mk-stage-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--mk-line);
  font-family: var(--mk-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.mk-stage-index {
  color: var(--mk-muted);
}

.mk-stage-example {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--mk-vermilion);
}

.mk-stage-example > span {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mk-vermilion);
  animation: mk-record-pulse 1.8s ease-in-out infinite;
}

.mk-stage-example em {
  margin-left: 2px;
  padding-left: 8px;
  border-left: 1px solid var(--mk-line);
  color: var(--mk-muted);
  font-size: 0.52rem;
  font-style: normal;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.mk-stage-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) 44px minmax(0, 1.06fr);
  align-items: center;
  padding: 26px 20px 28px;
  background-image:
    linear-gradient(to right, rgba(107, 97, 84, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(107, 97, 84, 0.055) 1px, transparent 1px);
  background-size: 28px 28px;
}

.mk-device {
  min-width: 0;
  border: 1px solid var(--mk-line);
  border-radius: 2px;
  background: var(--mk-paper-card);
}

.mk-device-phone {
  position: relative;
  z-index: 2;
  padding: 15px;
  border-top: 2px solid var(--mk-vermilion);
  background: linear-gradient(180deg, #fffdf8 0%, #faf7ef 100%);
  box-shadow: 0 22px 46px -34px rgba(38, 35, 30, 0.7);
  transform: translateY(-12px);
}

.mk-device-desktop {
  position: relative;
  z-index: 1;
  padding: 15px;
  border-top: 2px solid var(--mk-ink);
  background: linear-gradient(180deg, #fffdf8 0%, #f7f3e9 100%);
  box-shadow: 0 22px 46px -34px rgba(38, 35, 30, 0.62);
  transform: translateY(12px);
}

.mk-device-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--mk-line-soft);
  color: var(--mk-body);
  font-family: var(--mk-mono);
  font-size: 0.56rem;
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.mk-device-bar span {
  font-size: 0.62rem;
}

.mk-recording {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--mk-vermilion);
  font-variant-numeric: tabular-nums;
}

.mk-recording-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mk-vermilion);
  animation: mk-record-pulse 1.55s ease-in-out infinite;
}

.mk-device-time-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 11px;
}

.mk-device-time,
.mk-case-meta {
  margin: 12px 0 0;
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.62rem;
  letter-spacing: 0.02em;
}

.mk-device-time-row .mk-device-time {
  margin: 0;
}

.mk-device-mode {
  padding: 2px 6px;
  border: 1px solid var(--mk-line-soft);
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.48rem;
  line-height: 1.4;
  white-space: nowrap;
}

.mk-record-console {
  position: relative;
  margin: 12px -3px 0;
  padding: 11px 12px 9px;
  overflow: hidden;
  border: 1px solid #453b30;
  border-top: 2px solid var(--mk-vermilion-bright);
  border-radius: 2px;
  background:
    radial-gradient(ellipse 80% 90% at 12% 0%, rgba(216, 131, 111, 0.16), transparent 65%),
    linear-gradient(145deg, #302a23 0%, #1a1713 100%);
  color: var(--mk-paper-card);
  box-shadow:
    0 16px 28px -24px rgba(0, 0, 0, 0.9),
    inset 0 1px 0 rgba(255, 253, 248, 0.08);
}

.mk-record-console::after {
  content: '';
  position: absolute;
  top: 8px;
  right: 9px;
  width: 18px;
  height: 18px;
  border: 1px solid rgba(216, 131, 111, 0.2);
  border-radius: 50%;
}

.mk-record-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: rgba(255, 253, 248, 0.58);
  font-family: var(--mk-mono);
  font-size: 0.46rem;
  line-height: 1.4;
  letter-spacing: 0.06em;
}

.mk-record-live {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(255, 253, 248, 0.84);
  font-weight: 600;
}

.mk-record-live::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mk-vermilion-bright);
  animation: mk-record-pulse 1.55s ease-in-out infinite;
}

.mk-record-clock {
  margin-right: 25px;
  color: var(--mk-vermilion-bright);
  font-variant-numeric: tabular-nums;
}

.mk-wave {
  display: flex;
  align-items: center;
  gap: 2px;
  height: 34px;
  margin-top: 9px;
}

.mk-wave-live {
  justify-content: space-between;
}

.mk-wave-bar {
  display: block;
  flex: 0 0 2px;
  width: 2px;
  height: 16px;
  border-radius: 2px;
  background: var(--mk-vermilion-bright);
  opacity: 0.7;
  transform-origin: center;
  animation: mk-record-wave 1.2s ease-in-out infinite alternate;
}

.mk-wave-bar:nth-child(4n + 1) {
  height: 9px;
  animation-delay: -0.12s;
  animation-duration: 1.15s;
}

.mk-wave-bar:nth-child(4n + 2) {
  height: 20px;
  animation-delay: -0.42s;
  animation-duration: 1.35s;
}

.mk-wave-bar:nth-child(4n + 3) {
  height: 28px;
  animation-delay: -0.24s;
  animation-duration: 0.95s;
}

.mk-wave-bar:nth-child(4n) {
  height: 13px;
  animation-delay: -0.56s;
  animation-duration: 1.22s;
}

.mk-wave-axis {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
  color: rgba(255, 253, 248, 0.38);
  font-family: var(--mk-mono);
  font-size: 0.42rem;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}

.mk-wave-axis i {
  position: relative;
  height: 1px;
  overflow: hidden;
  background: rgba(255, 253, 248, 0.14);
}

.mk-wave-axis b {
  position: absolute;
  inset: 0 auto 0 0;
  width: 66%;
  background: linear-gradient(90deg, rgba(216, 131, 111, 0.35), var(--mk-vermilion-bright));
  box-shadow: 0 0 8px rgba(216, 131, 111, 0.3);
  animation: mk-record-fill 1.8s cubic-bezier(0.22, 1, 0.36, 1) 0.5s both;
}

.mk-transcript {
  margin-top: 12px;
}

.mk-transcript-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.48rem;
  line-height: 1.4;
  letter-spacing: 0.04em;
}

.mk-transcript-label span {
  color: var(--mk-vermilion);
  font-weight: 650;
}

.mk-transcript-label small {
  color: var(--mk-muted);
  font-size: 0.46rem;
}

.mk-device .mk-transcript blockquote {
  margin: 5px 0 0;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: clamp(0.98rem, 1.4vw, 1.22rem);
  line-height: 1.58;
  letter-spacing: -0.02em;
}

.mk-device blockquote strong {
  color: var(--mk-vermilion);
  font-weight: 600;
  white-space: nowrap;
  box-shadow: inset 0 -1px 0 rgba(150, 63, 53, 0.35);
}

.mk-transcript-caret {
  display: inline-block;
  width: 1px;
  height: 1.05em;
  margin-left: 2px;
  vertical-align: -0.14em;
  background: var(--mk-vermilion);
  animation: mk-record-caret 1.05s steps(1, end) infinite;
}

.mk-extract-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 13px;
  padding-top: 10px;
  border-top: 1px solid var(--mk-line-soft);
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.48rem;
  line-height: 1.4;
  letter-spacing: 0.04em;
}

.mk-extract-head small {
  padding: 1px 5px;
  border: 1px solid rgba(150, 63, 53, 0.24);
  color: var(--mk-vermilion);
  font-size: 0.44rem;
}

.mk-extract {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin: 6px 0 0;
}

.mk-extract div {
  min-width: 0;
}

.mk-extract dt {
  color: var(--mk-muted);
  font-size: 0.62rem;
  line-height: 1.4;
}

.mk-extract dd {
  overflow: hidden;
  margin: 3px 0 0;
  color: var(--mk-ink);
  font-size: 0.7rem;
  font-weight: 650;
  line-height: 1.4;
  text-overflow: ellipsis;
  white-space: nowrap;
  animation: mk-fact-in 620ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.mk-extract div:nth-child(2) dd {
  animation-delay: 120ms;
}

.mk-extract div:nth-child(3) dd {
  animation-delay: 240ms;
}

.mk-stage-thread {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  align-self: stretch;
  justify-content: center;
  gap: 8px;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.48rem;
  font-weight: 600;
  writing-mode: vertical-rl;
  letter-spacing: 0.06em;
}

.mk-stage-thread i {
  position: relative;
  width: 1px;
  height: 46px;
  overflow: visible;
  background: linear-gradient(to bottom, rgba(150, 63, 53, 0.12), var(--mk-vermilion), rgba(150, 63, 53, 0.12));
}

.mk-stage-thread i::after {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mk-vermilion);
  box-shadow: 0 0 0 3px rgba(150, 63, 53, 0.11);
  transform: translate(-50%, -50%);
  animation: mk-thread-dot 2.4s ease-in-out infinite;
}

.mk-stage-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--mk-vermilion);
}

.mk-stage-status::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mk-vermilion);
  animation: mk-record-pulse 1.8s ease-in-out infinite;
}

.mk-case-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 12px;
}

.mk-case-head .mk-case-meta {
  margin: 0;
}

.mk-case-badge {
  flex: 0 0 auto;
  padding: 2px 5px;
  border: 1px solid rgba(150, 63, 53, 0.24);
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.44rem;
  line-height: 1.4;
  letter-spacing: 0.02em;
}

.mk-case-title {
  margin: 7px 0 0;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: clamp(1.1rem, 1.6vw, 1.42rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.025em;
}

.mk-case-source {
  margin: 4px 0 0;
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.62rem;
  line-height: 1.5;
  letter-spacing: 0.01em;
}

.mk-task-stack {
  margin-top: 13px;
  border-top: 1px solid var(--mk-line-soft);
  list-style: none;
}

.mk-task-stack li {
  display: grid;
  grid-template-columns: 7px minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--mk-line-soft);
  color: var(--mk-body);
  font-size: 0.66rem;
  animation: mk-task-line 560ms cubic-bezier(0.22, 1, 0.36, 1) both;
}

.mk-task-stack li:nth-child(2) {
  animation-delay: 120ms;
}

.mk-task-stack li:nth-child(3) {
  animation-delay: 240ms;
}

.mk-task-stack small {
  color: var(--mk-muted);
  font-size: 0.56rem;
}

.mk-task-stack li:has(.mk-state-pending) small {
  padding: 2px 5px;
  color: var(--mk-vermilion);
  border: 1px solid rgba(150, 63, 53, 0.26);
}

.mk-state {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1px solid var(--mk-muted);
}

.mk-state-done {
  border-color: var(--mk-vermilion);
  background: var(--mk-vermilion);
}

.mk-state-pending {
  border-color: var(--mk-vermilion);
  background: transparent;
  box-shadow: 0 0 0 3px rgba(150, 63, 53, 0.1);
}

.mk-state-open {
  border-color: var(--mk-line);
  background: var(--mk-line-soft);
}

.mk-client-signal {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 10px;
  margin-top: 11px;
  color: var(--mk-muted);
  font-size: 0.55rem;
}

.mk-client-signal strong {
  color: var(--mk-ink);
  font-size: 0.62rem;
  font-weight: 650;
  text-align: right;
}

.mk-stage-route {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-top: 1px solid var(--mk-line);
  color: var(--mk-body);
  font-family: var(--mk-mono);
  font-size: 0.55rem;
  letter-spacing: 0.04em;
}

.mk-stage-route i {
  width: 14px;
  height: 1px;
  background: var(--mk-vermilion);
}

.mk-stage-disclaimer {
  margin: 0;
  padding: 0 18px 12px;
  color: var(--mk-muted);
  font-size: 0.62rem;
}

@keyframes mk-record-pulse {
  0%,
  100% {
    opacity: 0.72;
    box-shadow: 0 0 0 0 rgba(216, 131, 111, 0.28);
  }
  50% {
    opacity: 1;
    box-shadow: 0 0 0 4px rgba(216, 131, 111, 0);
  }
}

@keyframes mk-record-wave {
  0% {
    opacity: 0.3;
    transform: scaleY(0.28);
  }
  100% {
    opacity: 0.95;
    transform: scaleY(1);
  }
}

@keyframes mk-record-fill {
  from {
    width: 0;
  }
  to {
    width: 66%;
  }
}

@keyframes mk-record-caret {
  0%,
  45% {
    opacity: 1;
  }
  46%,
  100% {
    opacity: 0;
  }
}

@keyframes mk-thread-dot {
  0% {
    top: 0;
    opacity: 0;
  }
  14%,
  82% {
    opacity: 1;
  }
  100% {
    top: 100%;
    opacity: 0;
  }
}

@keyframes mk-thread-dot-x {
  0% {
    left: 0;
    opacity: 0;
  }
  14%,
  82% {
    opacity: 1;
  }
  100% {
    left: 100%;
    opacity: 0;
  }
}

@keyframes mk-fact-in {
  from {
    opacity: 0.2;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes mk-task-line {
  from {
    opacity: 0.3;
    transform: translateX(4px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes mk-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes mk-stage-in {
  from {
    opacity: 0;
    transform: translateY(18px) rotate(0.35deg);
  }
  to {
    opacity: 1;
    transform: translateY(0) rotate(0);
  }
}

/* ---------- 原则条 ---------- */

.mk-principles-strip {
  border-bottom: 1px solid var(--mk-line);
  background: var(--mk-paper-card);
}

.mk-principles-strip .mk-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 64px;
}

.mk-principles-strip p {
  margin: 0;
  color: var(--mk-body);
  font-family: var(--mk-mono);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.mk-principles-strip ul {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 10px 0;
  list-style: none;
}

.mk-principles-strip li {
  display: inline-flex;
  align-items: center;
  color: var(--mk-muted);
  font-size: 0.72rem;
  font-weight: 600;
}

.mk-principles-strip li + li::before {
  content: '';
  width: 1px;
  height: 0.8rem;
  margin: 0 0.9rem;
  background: var(--mk-line);
}

/* ---------- 通用区块 ---------- */

.mk-contact-section {
  scroll-margin-top: 6rem;
}

.mk-section {
  padding: clamp(76px, 9vw, 128px) 0;
}

.mk-section-soft {
  background: var(--mk-paper-shade);
}

.mk-section-head {
  max-width: 48em;
  margin-bottom: clamp(36px, 5vw, 54px);
}

.mk-section-head h2 {
  margin-bottom: 0;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: clamp(2.3rem, 4.4vw, 4rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.mk-section-head-compact {
  margin-bottom: 34px;
}

.mk-section-head-compact h2 {
  font-size: clamp(1.9rem, 3vw, 2.7rem);
}

.mk-section-head > p,
.mk-section-head-split > p {
  color: var(--mk-body);
  font-size: 0.98rem;
  line-height: 1.9;
}

.mk-section-head a {
  color: var(--mk-vermilion);
  border-bottom: 1px solid rgba(150, 63, 53, 0.35);
}

.mk-section-head-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 0.42fr);
  align-items: end;
  gap: 32px 64px;
  max-width: none;
}

.mk-section-head-split h2 {
  max-width: 15em;
}

.mk-section-head-split > p {
  margin: 0 0 0.4rem;
}

.mk-solo-day-section,
.mk-home-faq {
  padding: clamp(68px, 8vw, 112px) 0;
}

/* ---------- 线下销售的一天 ---------- */

.mk-solo-day-section {
  background: var(--mk-paper);
}

.mk-solo-day-track {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
}

.mk-solo-day-track::before {
  content: '';
  position: absolute;
  top: 13px;
  right: 25%;
  left: 0;
  height: 1px;
  background: var(--mk-vermilion);
}

.mk-solo-day-card {
  position: relative;
  min-width: 0;
  padding: 42px 22px 0 0;
}

.mk-solo-day-card + .mk-solo-day-card {
  padding-left: 22px;
}

.mk-solo-day-card::before {
  content: '';
  position: absolute;
  top: 9px;
  left: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--mk-vermilion);
  box-shadow: 0 0 0 4px var(--mk-paper);
}

.mk-solo-day-time time {
  display: block;
  color: var(--mk-vermilion);
  font-family: var(--mk-display);
  font-size: 2rem;
  line-height: 1;
}

.mk-solo-day-time span {
  display: block;
  margin-top: 4px;
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.62rem;
}

.mk-solo-day-card-body {
  margin-top: 18px;
  padding: 18px;
  border: 1px solid var(--mk-line);
  background: var(--mk-paper-card);
}

.mk-solo-day-card-body h3 {
  margin-bottom: 0.55rem;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 1.15rem;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.mk-solo-day-card-body p {
  margin: 0;
  color: var(--mk-body);
  font-size: 0.84rem;
  line-height: 1.8;
}

.mk-solo-day-card-body small {
  display: inline-block;
  margin-top: 0.8rem;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.62rem;
}

/* ---------- 墨色信任区 ---------- */

.mk-ink-section {
  position: relative;
  overflow: hidden;
  padding: clamp(76px, 9vw, 126px) 0;
  color: var(--mk-paper-card);
  background: var(--mk-ink);
}

.mk-ink-section::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(to right, rgba(255, 253, 248, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 253, 248, 0.05) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 70% 0%, black, transparent 70%);
}

.mk-ink-section .mk-container {
  position: relative;
}

.mk-trust-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.6fr);
  align-items: end;
  gap: 24px 64px;
  margin-bottom: clamp(48px, 6vw, 72px);
}

.mk-trust-intro .mk-eyebrow {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.mk-trust-intro h2 {
  max-width: 10em;
  margin: 0;
  color: var(--mk-paper-card);
  font-family: var(--mk-display);
  font-size: clamp(2.8rem, 5.8vw, 5.1rem);
  font-weight: 500;
  line-height: 1.06;
  letter-spacing: -0.045em;
}

.mk-trust-intro > p:last-child {
  max-width: 34em;
  margin: 0 0 0.3rem;
  color: rgba(255, 253, 248, 0.64);
  font-size: 0.94rem;
  line-height: 1.9;
}

.mk-trust-promises {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 34px;
  list-style: none;
}

.mk-trust-promises li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 253, 248, 0.25);
}

.mk-trust-promises strong {
  color: var(--mk-paper-card);
  font-family: var(--mk-display);
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  font-weight: 500;
  letter-spacing: -0.025em;
}

.mk-trust-promises span {
  max-width: 28em;
  color: rgba(255, 253, 248, 0.62);
  font-size: 0.84rem;
  line-height: 1.75;
}

.mk-audit-rail {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  margin-top: clamp(48px, 6vw, 72px);
  padding-top: 22px;
  border-top: 1px solid rgba(255, 253, 248, 0.18);
}

.mk-audit-rail > p {
  margin: 0;
  color: rgba(255, 253, 248, 0.42);
  font-family: var(--mk-mono);
  font-size: 0.56rem;
  letter-spacing: 0.08em;
  white-space: nowrap;
}

.mk-audit-rail ol {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  list-style: none;
}

.mk-audit-rail li {
  position: relative;
  display: flex;
  align-items: center;
  gap: 9px;
  padding-left: 15px;
  color: rgba(255, 253, 248, 0.52);
  font-size: 0.66rem;
}

.mk-audit-rail li::before {
  content: '';
  width: 5px;
  height: 5px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: rgba(255, 253, 248, 0.32);
}

.mk-audit-rail li.is-current {
  color: var(--mk-vermilion-bright);
}

.mk-audit-rail li.is-current::before {
  background: var(--mk-vermilion-bright);
  box-shadow: 0 0 0 4px rgba(216, 131, 111, 0.12);
}

.mk-audit-rail li small {
  color: rgba(255, 253, 248, 0.3);
  font-family: var(--mk-mono);
  font-size: 0.5rem;
}

.mk-audit-rail strong {
  padding: 7px 12px;
  color: var(--mk-vermilion-bright);
  border: 1px solid rgba(216, 131, 111, 0.5);
  font-family: var(--mk-display);
  font-size: 1rem;
  font-weight: 500;
  white-space: nowrap;
  transform: rotate(-3deg);
}

/* ---------- 能力地图 ---------- */

/* ---------- 线下销售场景卡(类名契约) ---------- */

/* .mk-opc-scenario 是历史场景卡的类名契约,现由画廊引线卡(HomeGallerySection)复用:
   下方 min-width/border/background 仍参与画廊 pin 的实际渲染,勿随 JSX 清理误删;
   display/padding 已由 .mk-home-callout-pin 提供并被覆盖。 */
.mk-opc-scenario {
  min-width: 0;
  border: 1px solid var(--mk-line);
  border-top: 2px solid var(--mk-ink);
  background: var(--mk-paper-card);
}

/* ---------- 团队扩展带 ---------- */

.mk-team-ready-band {
  padding: clamp(42px, 5vw, 64px) 0;
  border-top: 1px solid var(--mk-ink);
  border-bottom: 1px solid var(--mk-ink);
  background: var(--mk-paper-shade);
}

.mk-team-ready-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px 56px;
}

.mk-team-ready-inner h2 {
  margin-bottom: 0.45rem;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 550;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.mk-team-ready-inner p:not(.mk-eyebrow) {
  max-width: 44em;
  margin: 0;
  color: var(--mk-body);
  font-size: 0.88rem;
  line-height: 1.8;
}

.mk-team-ready-inner .mk-text-link {
  white-space: nowrap;
}

/* ---------- 列表 ---------- */

.mk-check-list {
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.mk-check-list li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 0.7rem;
  color: var(--mk-body);
  font-size: 0.88rem;
  line-height: 1.8;
}

.mk-check-list li::before {
  content: '—';
  position: absolute;
  top: 0;
  left: 0;
  color: var(--mk-vermilion);
  font-weight: 600;
}

/* ---------- 定价预告 ---------- */

.mk-pricing-band {
  padding: clamp(54px, 6vw, 76px) 0;
  border-top: 1px solid var(--mk-ink);
  border-bottom: 1px solid var(--mk-ink);
  background: var(--mk-paper-shade);
}

.mk-pricing-band .mk-container {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 28px 52px;
}

.mk-pricing-band-copy h2 {
  max-width: 17em;
  margin-bottom: 0.7rem;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: clamp(2rem, 3.5vw, 3.25rem);
  font-weight: 550;
  line-height: 1.16;
  letter-spacing: -0.035em;
}

.mk-pricing-band-copy > p:last-child {
  margin: 0;
  color: var(--mk-body);
  font-size: 0.86rem;
}

.mk-solo-pricing-note {
  max-width: 46em;
  margin-top: 0.6rem !important;
  padding-left: 12px;
  border-left: 2px solid var(--mk-vermilion);
  color: var(--mk-body);
}

.mk-pricing-band-action {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.mk-pricing-band-action p {
  margin: 0;
  color: var(--mk-muted);
  font-size: 0.62rem;
}

.mk-pricing-band-action .mk-btn {
  white-space: nowrap;
}

.mk-price-line-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-column: 1 / -1;
  border-top: 1px solid var(--mk-line);
  border-bottom: 1px solid var(--mk-line);
}

.mk-price-line-list > div {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  min-width: 0;
  padding: 18px 22px;
  border-right: 1px solid var(--mk-line);
}

.mk-price-line-list > div:last-child {
  border-right: 0;
}

.mk-price-line-list span {
  margin-right: auto;
  color: var(--mk-body);
  font-size: 0.76rem;
  font-weight: 600;
}

.mk-price-line-list strong {
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: clamp(1.5rem, 2.3vw, 2.1rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.mk-price-line-list small {
  color: var(--mk-muted);
  font-size: 0.58rem;
}

.mk-price-line-list > div.is-recommended {
  background: rgba(150, 63, 53, 0.05);
}

/* 推荐角标:内联在版本名称旁,杜绝右上角绝对定位与价格数字重叠打架 */
.mk-price-line-list .mk-price-rec-badge {
  position: static;
  display: inline-flex;
  align-items: center;
  margin-left: 8px;
  padding: 2px 7px;
  border-radius: 2px;
  background: var(--mk-vermilion);
  color: #fff;
  font-family: var(--mk-mono);
  font-style: normal;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  vertical-align: middle;
}

/* ---------- FAQ ---------- */

.mk-home-faq {
  background: var(--mk-paper);
}

.mk-faq {
  border-top: 1px solid var(--mk-ink);
}

.mk-faq details {
  border-bottom: 1px solid var(--mk-line);
}

.mk-faq summary {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 1.1rem 2.2rem 1.1rem 0;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: clamp(1.08rem, 1.5vw, 1.32rem);
  font-weight: 550;
  line-height: 1.45;
  letter-spacing: -0.015em;
  list-style: none;
  cursor: pointer;
}

.mk-faq summary::-webkit-details-marker {
  display: none;
}

.mk-faq summary::after {
  content: '+';
  position: absolute;
  top: 50%;
  right: 2px;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 1.15rem;
  font-weight: 400;
  transform: translateY(-50%);
  transition: transform 180ms ease;
}

.mk-faq details[open] summary {
  color: var(--mk-vermilion);
}

.mk-faq details[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}

.mk-faq .mk-faq-answer {
  max-width: 48em;
  padding: 0 0 1.4rem;
  color: var(--mk-body);
  font-size: 0.9rem;
  line-height: 1.9;
}

.mk-faq-group {
  margin-bottom: 46px;
}

.mk-faq-group h2 {
  margin-bottom: 0.8rem;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: clamp(1.55rem, 2.5vw, 2.1rem);
  font-weight: 550;
  letter-spacing: -0.03em;
}

/* ---------- 收尾 CTA ---------- */

.mk-final-cta {
  position: relative;
  overflow: hidden;
  padding: clamp(70px, 9vw, 118px) 0;
  border-top: 1px solid var(--mk-line);
  background:
    linear-gradient(to right, rgba(107, 97, 84, 0.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(107, 97, 84, 0.045) 1px, transparent 1px),
    var(--mk-paper-card);
  background-size: 56px 56px;
}

.mk-final-cta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 10%;
  width: 84px;
  height: 3px;
  background: var(--mk-vermilion);
}

.mk-final-cta-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 36px;
}

.mk-final-cta h2 {
  max-width: 13em;
  margin-bottom: 0.9rem;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: clamp(2.7rem, 5.2vw, 5.2rem);
  font-weight: 550;
  line-height: 1.1;
  letter-spacing: -0.045em;
}

.mk-final-cta p:not(.mk-eyebrow) {
  margin-bottom: 1.5rem;
  color: var(--mk-body);
  font-size: 0.96rem;
}

.mk-final-cta small {
  display: block;
  margin-top: 1rem;
  color: var(--mk-muted);
  font-size: 0.66rem;
}

.mk-final-arrow {
  color: var(--mk-line);
  font-family: var(--mk-display);
  font-size: clamp(10rem, 20vw, 19rem);
  font-weight: 400;
  line-height: 1;
  user-select: none;
}

/* ---------- 内页通用首屏 ---------- */

.mk-hero {
  position: relative;
  padding: clamp(66px, 8vw, 106px) 0 clamp(52px, 6vw, 76px);
  border-bottom: 1px solid var(--mk-line);
  background:
    radial-gradient(ellipse 58% 90% at 92% 0%, rgba(211, 195, 163, 0.24), transparent 64%),
    var(--mk-paper);
}

.mk-about-hero,
.mk-faq-hero {
  padding: clamp(48px, 6vw, 76px) 0 clamp(36px, 4.5vw, 54px);
}

.mk-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(to right, rgba(107, 97, 84, 0.07) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(107, 97, 84, 0.07) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(to bottom, black, transparent 90%);
}

.mk-hero .mk-container {
  position: relative;
}

.mk-hero-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1.2rem;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.mk-hero-kicker::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mk-vermilion);
}

.mk-hero h1 {
  max-width: 13em;
  margin-bottom: 1.1rem;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: clamp(2.5rem, 5vw, 4.8rem);
  font-weight: 550;
  line-height: 1.1;
  letter-spacing: -0.045em;
}

.mk-hero-lead {
  max-width: 46em;
  margin: 0;
  color: var(--mk-body);
  font-size: 1rem;
  line-height: 1.9;
}

.mk-hero-lead a {
  color: var(--mk-vermilion);
  border-bottom: 1px solid rgba(150, 63, 53, 0.35);
}

/* ---------- 共享卡片与网格 ---------- */

.mk-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.mk-grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
}

.mk-card {
  padding: clamp(22px, 3vw, 30px);
  border: 1px solid var(--mk-line);
  border-top: 2px solid var(--mk-ink);
  border-radius: 0;
  background: var(--mk-paper-card);
}

.mk-card h3 {
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 1.35rem;
  font-weight: 550;
  letter-spacing: -0.025em;
}

.mk-card p {
  margin: 0;
  color: var(--mk-body);
  font-size: 0.88rem;
  line-height: 1.85;
}

.mk-card a:not(.mk-btn) {
  color: var(--mk-vermilion);
  white-space: nowrap;
  border-bottom: 1px solid rgba(150, 63, 53, 0.35);
}

.mk-card-tag {
  display: inline-block;
  margin-bottom: 0.9rem;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.mk-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 56px 0 0;
  border-top: 1px solid var(--mk-line);
  border-bottom: 1px solid var(--mk-line);
}

.mk-stats > div {
  padding: 24px 20px 24px 0;
  border-right: 1px solid var(--mk-line);
}

.mk-stats > div:not(:first-child) {
  padding-left: 20px;
}

.mk-stats > div:last-child {
  border-right: 0;
}

.mk-stat-number {
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 2.2rem;
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.mk-stat-label {
  margin-top: 5px;
  color: var(--mk-muted);
  font-size: 0.72rem;
}

/* ---------- 功能页 ---------- */

.mk-feature-row {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 40px 72px;
  padding: 38px 0;
  border-top: 1px solid var(--mk-line);
  align-items: start;
}

.mk-feature-row:first-child {
  border-top-color: var(--mk-ink);
}

.mk-feature-row h2 {
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: clamp(1.55rem, 2.7vw, 2.15rem);
  font-weight: 550;
  letter-spacing: -0.03em;
}

.mk-feature-row p {
  color: var(--mk-body);
  font-size: 0.9rem;
  line-height: 1.85;
}

.mk-feature-row .mk-check-list {
  margin-top: 0;
  padding-top: 3px;
}

.mk-feature-row .mk-check-list li {
  padding-left: 24px;
  font-size: 0.9rem;
}

/* ---------- 内页 CTA ---------- */

.mk-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  padding: clamp(30px, 4vw, 48px);
  color: var(--mk-paper-card);
  background: var(--mk-ink);
  border-top: 3px solid var(--mk-vermilion);
}

.mk-cta h2 {
  max-width: 15em;
  margin-bottom: 0.35rem;
  color: var(--mk-paper-card);
  font-family: var(--mk-display);
  font-size: clamp(1.8rem, 3.2vw, 2.8rem);
  font-weight: 550;
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.mk-cta p {
  margin: 0;
  color: rgba(255, 253, 248, 0.58);
  font-size: 0.86rem;
}

.mk-cta .mk-btn-light {
  min-height: 48px;
  padding: 0.8rem 1.2rem;
  border-color: var(--mk-paper-card);
  color: var(--mk-paper-card);
  font-weight: 650;
}

.mk-cta .mk-btn-light:hover {
  color: var(--mk-ink);
  background: var(--mk-paper-card);
}

/* ---------- 定价页 ---------- */

.mk-pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  align-items: stretch;
}

.mk-plan {
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--mk-line);
  border-top: 2px solid var(--mk-ink);
  border-radius: 0;
  background: var(--mk-paper-card);
}

.mk-plan-featured {
  border-color: var(--mk-ink);
  background: var(--mk-paper);
  box-shadow: 8px 8px 0 var(--mk-paper-shade);
}

.mk-plan-badge {
  align-self: flex-start;
  margin-bottom: 0.9rem;
  padding: 3px 8px;
  color: var(--mk-paper-card);
  background: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.55rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.mk-plan h2 {
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 1.9rem;
  font-weight: 550;
  letter-spacing: -0.03em;
}

.mk-plan-audience {
  min-height: 3em;
  margin-bottom: 1.3rem;
  color: var(--mk-muted);
  font-size: 0.78rem;
  line-height: 1.7;
}

.mk-plan-price {
  padding: 18px 0;
  border-top: 1px solid var(--mk-line-soft);
  border-bottom: 1px solid var(--mk-line-soft);
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 2.8rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
}

.mk-plan-price small {
  color: var(--mk-muted);
  font-family: var(--mk-font);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0;
}

.mk-plan .mk-check-list {
  margin-bottom: 1.6rem;
  flex: 1;
}

.mk-plan .mk-btn {
  width: 100%;
}

.mk-pricing-notes {
  width: 100%;
  margin-top: clamp(48px, 6vw, 76px);
  padding-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--mk-ink);
}

.mk-pricing-notes h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.65rem, 2.8vw, 2.3rem);
}

/* ---------- 文档页 ---------- */

.mk-prose {
  width: 100%;
  max-width: 860px;
  padding-left: clamp(20px, 4vw, 44px);
  padding-right: clamp(20px, 4vw, 44px);
}

.mk-prose > p:first-child {
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.62rem;
}

.mk-prose h2 {
  margin-top: 2.2em;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 1.65rem;
  font-weight: 550;
  letter-spacing: -0.025em;
}

.mk-prose p,
.mk-prose li {
  color: var(--mk-body);
  font-size: 0.94rem;
  line-height: 1.9;
}

.mk-prose ul {
  padding-left: 1.2em;
}

.mk-prose li {
  margin-bottom: 0.45rem;
}

/* ---------- 页脚 ---------- */

.mk-footer {
  padding: 60px 0 28px;
  color: rgba(255, 253, 248, 0.65);
  background: var(--mk-ink);
  border-top: 3px solid var(--mk-vermilion);
  font-size: 0.82rem;
}

.mk-footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 2.2fr) repeat(3, minmax(120px, 0.7fr));
  gap: 42px;
  margin-bottom: 44px;
}

.mk-footer-brand-row {
  margin-bottom: 14px;
}

.mk-footer .mk-brand-name {
  color: var(--mk-paper-card);
}

.mk-footer .mk-brand-copy small {
  color: rgba(255, 253, 248, 0.58);
}

.mk-footer-brand p {
  max-width: 32em;
  margin: 0;
  color: rgba(255, 253, 248, 0.48);
  font-size: 0.78rem;
  line-height: 1.8;
}

.mk-footer h3 {
  margin-bottom: 14px;
  color: rgba(255, 253, 248, 0.9);
  font-family: var(--mk-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.mk-footer nav {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 7px;
}

.mk-footer nav a {
  padding: 2px 0;
  color: rgba(255, 253, 248, 0.58);
  font-size: 0.78rem;
  border-bottom: 1px solid transparent;
}

.mk-footer nav a:hover {
  color: var(--mk-paper-card);
  border-color: rgba(255, 253, 248, 0.3);
}

.mk-footer-beian {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 253, 248, 0.14);
  color: rgba(255, 253, 248, 0.55);
  font-size: 0.65rem;
}

.mk-footer-beian p {
  margin: 0;
}

.mk-footer-beian a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-right: 16px;
}

.mk-footer-beian a:hover {
  color: var(--mk-paper-card);
}

/* ---------- 响应式 ---------- */

@media (max-width: 1180px) {
  .mk-home-hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .mk-home-hero-copy {
    max-width: 820px;
  }

  .mk-home-hero h1 {
    max-width: 10em;
    font-size: clamp(3.2rem, 7vw, 5.2rem);
  }

  .mk-signal-stage {
    width: 100%;
    max-width: 920px;
  }

  .mk-trust-intro {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .mk-trust-intro h2 {
    max-width: 13em;
  }
}

@media (max-width: 980px) {
  .mk-nav {
    display: none;
  }

  .mk-mobile-menu {
    display: block;
  }

  .mk-section-head-split {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .mk-section-head-split > p {
    max-width: 38em;
  }

  .mk-solo-day-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 28px 0;
  }

  .mk-solo-day-track::before,
  .mk-solo-day-card::before {
    display: none;
  }

  .mk-solo-day-card,
  .mk-solo-day-card + .mk-solo-day-card {
    padding: 0;
  }

  .mk-solo-day-card:nth-child(2n) {
    padding-left: 22px;
  }

  .mk-trust-promises {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .mk-trust-promises li {
    display: grid;
    grid-template-columns: minmax(0, 0.5fr) minmax(0, 1fr);
    align-items: start;
    gap: 16px;
  }

  .mk-audit-rail {
    grid-template-columns: 1fr auto;
  }

  .mk-audit-rail > p {
    grid-column: 1 / -1;
  }

  .mk-audit-rail ol {
    gap: 12px;
  }

  .mk-team-ready-inner {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .mk-team-ready-inner .mk-text-link {
    justify-self: start;
  }

  .mk-pricing-band .mk-container {
    grid-template-columns: 1fr;
  }

  .mk-pricing-band-action {
    align-items: flex-start;
  }

  .mk-final-cta-inner {
    grid-template-columns: 1fr;
  }

  .mk-final-arrow {
    display: none;
  }

  .mk-footer-grid {
    grid-template-columns: 1.6fr repeat(3, minmax(100px, 0.7fr));
    gap: 28px;
  }
}

@media (max-width: 820px) {
  .mk-header-inner {
    min-height: 68px;
    gap: 16px;
  }

  .mk-login-link {
    display: none;
  }

  .mk-brand-name {
    font-size: 1.18rem;
  }

  .mk-home-hero-grid {
    gap: 38px;
  }

  .mk-signal-stage {
    box-shadow: 7px 7px 0 rgba(150, 63, 53, 0.08);
  }

  .mk-stage-grid {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 16px;
  }

  .mk-device-phone {
    transform: none;
  }

  .mk-device-desktop {
    transform: none;
  }

  .mk-stage-thread {
    flex-direction: row;
    width: 100%;
    min-height: 26px;
    gap: 8px;
    writing-mode: horizontal-tb;
  }

  .mk-stage-thread span {
    white-space: nowrap;
  }

  .mk-stage-thread i {
    width: auto;
    height: 1px;
    flex: 1 1 auto;
    min-width: 24px;
  }

  .mk-stage-thread i::after {
    top: 50%;
    left: 0;
    animation-name: mk-thread-dot-x;
  }

  .mk-principles-strip .mk-container {
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 4px;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .mk-principles-strip ul {
    justify-content: flex-start;
  }

  .mk-audit-rail ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 10px;
  }

  .mk-pricing-band .mk-container {
    gap: 24px;
  }

  .mk-price-line-list > div {
    padding: 16px 12px;
  }

  .mk-price-line-list span {
    width: auto;
    margin-bottom: 4px;
  }

  .mk-pricing-grid,
  .mk-grid-3 {
    grid-template-columns: 1fr;
  }

  .mk-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mk-grid-2,
  .mk-feature-row {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .mk-stats > div {
    padding: 18px 14px;
    border-right: 1px solid var(--mk-line);
    border-bottom: 1px solid var(--mk-line);
  }

  .mk-stats > div:nth-child(2n) {
    border-right: 0;
    padding-right: 0;
  }

  .mk-stats > div:nth-child(2n + 1) {
    padding-left: 0;
  }

  .mk-stats > div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .mk-footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }

  .mk-footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .mk-header-cta .mk-btn {
    min-height: 40px;
    padding: 0.55rem 0.8rem;
    font-size: 0.8rem;
  }

  .mk-brand-copy small {
    display: none;
  }

  .mk-home-hero {
    padding-top: 52px;
  }

  .mk-eyebrow {
    gap: 0.45em;
    font-size: 0.6rem;
    letter-spacing: 0.07em;
  }

  .mk-home-hero h1 {
    font-size: clamp(2.35rem, 10.2vw, 2.9rem);
  }

  .mk-hero h1 {
    font-size: clamp(2.15rem, 8.8vw, 2.8rem);
  }

  .mk-hero-lead {
    font-size: 0.94rem;
    line-height: 1.85;
  }

  .mk-hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 10px;
  }

  .mk-hero-actions .mk-btn {
    width: 100%;
  }

  .mk-hero-actions .mk-text-link {
    align-self: flex-start;
  }

  .mk-signal-stage::after {
    left: 12%;
    width: 56px;
  }

  .mk-positioning-lockup {
    gap: 7px;
    padding: 6px 8px;
    font-size: 0.7rem;
  }

  .mk-positioning-product {
    font-size: 0.62rem;
  }

  .mk-stage-conclusion {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 12px 14px;
  }

  .mk-stage-conclusion strong {
    font-size: 0.72rem;
  }

  .mk-stage-head {
    padding: 11px 13px;
    font-size: 0.52rem;
  }

  .mk-stage-example em {
    display: none;
  }

  .mk-stage-grid {
    padding: 12px;
  }

  .mk-device-phone,
  .mk-device-desktop {
    padding: 12px;
  }

  .mk-device blockquote {
    font-size: 1.08rem;
  }

  .mk-stage-route {
    gap: 5px;
    padding: 10px 13px;
    font-size: 0.5rem;
  }

  .mk-stage-route i {
    width: 8px;
  }

  .mk-stage-disclaimer {
    padding: 0 13px 10px;
  }

  .mk-principles-strip li {
    font-size: 0.66rem;
  }

  .mk-principles-strip li + li::before {
    margin: 0 0.65rem;
  }

  .mk-section {
    padding: 68px 0;
  }

  .mk-section-head h2 {
    font-size: clamp(2rem, 9vw, 2.8rem);
  }

  .mk-solo-day-track {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .mk-solo-day-track::before,
  .mk-solo-day-card::before {
    display: none;
  }

  .mk-solo-day-card,
  .mk-solo-day-card + .mk-solo-day-card,
  .mk-solo-day-card:nth-child(2n) {
    display: grid;
    grid-template-columns: 64px minmax(0, 1fr);
    gap: 12px;
    padding: 18px 0;
    border-bottom: 1px solid var(--mk-line);
  }

  .mk-solo-day-card:first-child {
    padding-top: 0;
  }

  .mk-solo-day-card:last-child {
    padding-bottom: 0;
    border-bottom: 0;
  }

  .mk-solo-day-card-body {
    margin-top: 0;
  }

  .mk-solo-day-time time {
    font-size: 1.5rem;
  }

  .mk-trust-intro h2 {
    font-size: clamp(2.55rem, 11vw, 3.5rem);
  }

  .mk-ink-section {
    padding: 68px 0;
  }

  .mk-audit-rail {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .mk-audit-rail strong {
    justify-self: start;
  }

  .mk-team-ready-band {
    padding: 36px 0;
  }

  .mk-team-ready-inner h2 {
    font-size: clamp(1.65rem, 7vw, 2rem);
  }

  .mk-pricing-band {
    padding: 48px 0;
  }

  .mk-price-line-list {
    grid-template-columns: 1fr;
  }

  .mk-price-line-list > div,
  .mk-price-line-list > div:first-child {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 16px 0;
    border-right: 0;
    border-bottom: 1px solid var(--mk-line);
  }

  .mk-price-line-list > div:last-child {
    border-bottom: 0;
  }

  .mk-price-line-list span {
    margin: 0;
  }

  .mk-pricing-band-action {
    align-items: stretch;
  }

  .mk-pricing-band-action .mk-btn {
    width: 100%;
  }

  .mk-faq summary {
    padding: 1rem 1.8rem 1rem 0;
    font-size: 1.02rem;
  }

  .mk-final-cta {
    padding: 64px 0;
  }

  .mk-final-cta h2 {
    font-size: clamp(1.9rem, 8.2vw, 2.7rem);
  }

  .mk-footer {
    padding-top: 44px;
  }

  .mk-footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .mk-footer-brand {
    grid-column: auto;
  }

  .mk-footer nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7px 14px;
  }

  .mk-footer nav h3 {
    grid-column: 1 / -1;
    margin-bottom: 2px;
  }

  .mk-footer-beian {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 360px) {
  .mk-brand-copy {
    display: none;
  }

  .mk-header-inner {
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .mk-wave-bar,
  .mk-record-live::before,
  .mk-stage-example > span,
  .mk-recording-dot,
  .mk-stage-status::before,
  .mk-stage-thread i::after,
  .mk-transcript-caret,
  .mk-wave-axis b,
  .mk-extract dd,
  .mk-task-stack li {
    animation: none !important;
    transform: none !important;
  }

  .mk-wave-bar {
    opacity: 0.8;
  }

  .mk-wave-axis b {
    width: 66%;
  }

  .mk-transcript-caret {
    opacity: 1;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------- 关于页：首屏与导览 ---------- */

.mk-about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  margin-top: 1.8rem;
}

.mk-about-proof-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.mk-about-proof-bar li {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--mk-muted);
  font-size: 0.78rem;
}

.mk-about-proof-bar li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mk-vermilion);
}

.mk-about-jump-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 2rem;
  padding: 12px 18px;
  border: 1px solid var(--mk-line);
  background: var(--mk-paper-card);
}

.mk-jump-label {
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
}

.mk-jump-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
}

.mk-jump-links a {
  color: var(--mk-ink);
  font-family: var(--mk-mono);
  font-size: 0.76rem;
  text-decoration: none;
  transition: color 0.15s ease;
}

.mk-jump-links a:hover {
  color: var(--mk-vermilion);
}

.mk-jump-links a.mk-jump-contact {
  color: var(--mk-vermilion);
  font-weight: 600;
}

/* ---------- 关于页：创始人与荣誉 ---------- */

.mk-founder-grid {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: clamp(28px, 4.5vw, 60px);
  align-items: start;
}

.mk-founder-photo {
  margin: 0;
  padding: 12px;
  border: 1px solid var(--mk-line);
  border-top: 3px solid var(--mk-ink);
  background: var(--mk-paper-card);
  box-shadow: 0 4px 16px rgba(38, 35, 30, 0.05);
}

.mk-founder-photo-wrap {
  overflow: hidden;
  background: #c3c2be;
  border: 1px solid var(--mk-line-soft);
}

.mk-founder-photo img {
  display: block;
  width: 100%;
  max-width: 320px;
  height: auto;
  margin: 0 auto;
  object-fit: cover;
}

.mk-founder-photo figcaption {
  margin-top: 12px;
  text-align: center;
}

.mk-founder-photo figcaption strong {
  display: block;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 0.95rem;
  font-weight: 600;
}

.mk-founder-photo figcaption span {
  display: block;
  margin-top: 3px;
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.65rem;
  letter-spacing: 0.04em;
}

.mk-founder-story {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: 44em;
}

.mk-founder-lead-p {
  margin: 0;
  color: var(--mk-body);
  font-size: 0.98rem;
  line-height: 1.85;
}

.mk-founder-pullquote {
  position: relative;
  padding: 18px 20px 18px 24px;
  border-left: 3px solid var(--mk-vermilion);
  background: var(--mk-paper-shade);
}

.mk-founder-pullquote blockquote {
  margin: 0 0 10px;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 1.7;
}

.mk-founder-resolve {
  margin: 0;
  color: var(--mk-body);
  font-size: 0.9rem;
  line-height: 1.75;
}

.mk-founder-resolve strong {
  color: var(--mk-vermilion);
  font-weight: 600;
}

.mk-quote-mark {
  position: absolute;
  top: 4px;
  right: 14px;
  color: rgba(150, 63, 53, 0.12);
  font-family: var(--mk-display);
  font-size: 3.6rem;
  line-height: 1;
  pointer-events: none;
}

.mk-founder-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.mk-founder-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border: 1px solid var(--mk-line);
  background: var(--mk-paper-card);
  color: var(--mk-ink);
  font-family: var(--mk-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
}

.mk-honor-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 36px);
}

.mk-honor-card {
  margin: 0;
  padding: clamp(18px, 2.5vw, 26px);
  border: 1px solid var(--mk-line);
  border-top: 3px solid var(--mk-ink);
  background: var(--mk-paper-card);
  display: flex;
  flex-direction: column;
}

.mk-honor-frame {
  padding: 14px;
  border: 1px solid var(--mk-line-soft);
  background: #fcfbfa;
  box-shadow: inset 0 0 12px rgba(38, 35, 30, 0.04);
}

.mk-honor-card img {
  display: block;
  width: 100%;
  max-width: 280px;
  height: auto;
  margin: 0 auto;
  box-shadow: 0 4px 16px rgba(38, 35, 30, 0.08);
}

.mk-honor-card figcaption {
  margin-top: 16px;
  text-align: left;
}

.mk-honor-tag {
  display: inline-block;
  margin-bottom: 6px;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.mk-honor-card figcaption strong {
  display: block;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.4;
}

.mk-honor-meta {
  display: block;
  margin-top: 4px;
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.72rem;
}

.mk-honor-note {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px dashed var(--mk-line);
  color: var(--mk-body);
  font-size: 0.82rem;
  line-height: 1.7;
}

/* ---------- 关于页：叙事版式（03 对比 / 04 原则） ---------- */

.mk-about-lead {
  margin: 14px 0 0;
  max-width: 44em;
  color: var(--mk-body);
  font-size: 0.95rem;
  line-height: 1.9;
}

.mk-contrast-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 36px);
}

.mk-contrast-card {
  display: flex;
  flex-direction: column;
}

.mk-contrast-card.mk-card-answer {
  border-top-color: var(--mk-vermilion);
}

.mk-contrast-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.mk-contrast-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--mk-line);
}

.mk-contrast-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.mk-contrast-marker {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  font-family: var(--mk-mono);
  font-size: 0.82rem;
  font-weight: 700;
  border-radius: 2px;
}

.mk-contrast-minus {
  background: rgba(107, 97, 84, 0.12);
  color: var(--mk-muted);
}

.mk-contrast-plus {
  background: rgba(150, 63, 53, 0.12);
  color: var(--mk-vermilion);
}

.mk-contrast-item-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mk-contrast-scene {
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.65rem;
  letter-spacing: 0.05em;
}

.mk-contrast-text {
  color: var(--mk-ink);
  font-size: 0.92rem;
  line-height: 1.6;
}

.mk-contrast-note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 2px solid var(--mk-line);
  color: var(--mk-muted);
  font-size: 0.78rem;
  line-height: 1.7;
}

.mk-card-answer .mk-contrast-note {
  border-top-color: var(--mk-vermilion);
}

.mk-principle-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(20px, 3vw, 32px);
}

.mk-principle-card {
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 2.5vw, 28px);
}

.mk-principle-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 0.8rem;
}

.mk-principle-head .mk-card-tag {
  margin-bottom: 0;
}

.mk-principle-pill {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border: 1px solid var(--mk-line);
  background: var(--mk-paper);
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.6rem;
  letter-spacing: 0.06em;
}

.mk-principle-meta {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed var(--mk-line);
  color: var(--mk-muted);
  font-size: 0.74rem;
  line-height: 1.65;
}

.mk-principle-meta strong {
  color: var(--mk-ink);
  font-family: var(--mk-mono);
  font-size: 0.68rem;
}

/* ---------- 关于页：05 联系我们接待台与移动端横幅 ---------- */

.mk-contact-grid {
  align-items: stretch;
}

.mk-contact-card {
  display: flex;
  flex-direction: column;
  padding: clamp(22px, 3vw, 32px);
}

.mk-contact-primary-card {
  border-top: 3px solid var(--mk-vermilion);
  background: linear-gradient(180deg, rgba(150, 63, 53, 0.03) 0%, var(--mk-paper-card) 24%);
  box-shadow: 0 4px 20px rgba(150, 63, 53, 0.07);
}

.mk-contact-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 0.8rem;
}

.mk-contact-card-header .mk-card-tag {
  margin-bottom: 0;
}

.mk-contact-badge-rec {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border: 1px solid rgba(150, 63, 53, 0.3);
  background: rgba(150, 63, 53, 0.08);
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.05em;
}

.mk-contact-badge-sub {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border: 1px solid var(--mk-line);
  background: var(--mk-paper);
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.6rem;
  letter-spacing: 0.05em;
}

.mk-contact-card-desc {
  margin: 0 0 14px;
  color: var(--mk-body);
  font-size: 0.88rem;
  line-height: 1.7;
}

.mk-contact-scope-list {
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mk-contact-scope-list li {
  position: relative;
  padding-left: 14px;
  color: var(--mk-body);
  font-size: 0.82rem;
  line-height: 1.6;
}

.mk-contact-scope-list li::before {
  content: '·';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--mk-vermilion);
  font-weight: 700;
}

.mk-contact-email-box {
  margin-top: auto;
  margin-bottom: 18px;
  padding: 12px 14px;
  border: 1px solid var(--mk-line);
  background: var(--mk-paper);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mk-contact-email-lbl {
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.62rem;
  letter-spacing: 0.05em;
}

.mk-contact-email-link {
  color: var(--mk-ink);
  font-family: var(--mk-mono);
  font-size: 0.94rem;
  font-weight: 600;
  word-break: break-all;
  border-bottom: 0;
}

.mk-contact-email-link:hover {
  color: var(--mk-vermilion);
}

.mk-contact-hours-badge {
  margin-top: 4px;
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.68rem;
}

.mk-contact-card-act {
  margin-top: auto;
}

.mk-contact-card-act .mk-btn {
  width: 100%;
}

.mk-contact-card-act .mk-btn-outline-ink {
  border: 1px solid var(--mk-ink);
  color: var(--mk-ink) !important;
  background: var(--mk-paper-card);
  font-weight: 650;
  transition: all 0.18s ease;
}

.mk-contact-card-act .mk-btn-outline-ink:hover {
  background: var(--mk-ink);
  color: var(--mk-paper-card) !important;
  border-color: var(--mk-ink);
}

.mk-contact-primary-card .mk-contact-card-act .mk-btn-outline-ink {
  box-shadow: 0 2px 8px rgba(38, 35, 30, 0.06);
}

.mk-contact-primary-card .mk-contact-card-act .mk-btn-outline-ink:hover {
  box-shadow: 0 4px 14px rgba(38, 35, 30, 0.22);
}

.mk-contact-card-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mk-contact-qr-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(24px, 4vw, 48px);
  align-items: center;
  margin-top: clamp(32px, 4.5vw, 48px);
  padding: clamp(28px, 4vw, 40px);
  border: 1px solid var(--mk-line);
  border-top: 3px solid var(--mk-ink);
  background: var(--mk-ink);
  color: var(--mk-paper-card);
}

.mk-contact-qr-info h3 {
  margin: 8px 0 10px;
  color: var(--mk-paper-card);
  font-family: var(--mk-display);
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  font-weight: 600;
  line-height: 1.35;
}

.mk-contact-qr-info p {
  margin: 0;
  color: rgba(255, 253, 248, 0.72);
  font-size: 0.88rem;
  line-height: 1.8;
  max-width: 42em;
}

.mk-contact-qr-info strong {
  color: var(--mk-paper-card);
}

.mk-contact-qr-mobile-guide {
  display: none;
}

@media (max-width: 980px) {
  .mk-contact-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 767px) {
  .mk-founder-grid,
  .mk-honor-grid,
  .mk-contrast-grid,
  .mk-principle-grid {
    grid-template-columns: 1fr;
  }

  .mk-founder-photo img {
    max-width: 260px;
  }

  .mk-founder-story {
    max-width: none;
  }

  .mk-contact-qr-banner {
    grid-template-columns: 1fr;
    text-align: left;
  }

  .mk-contact-qr-box {
    justify-self: center;
  }
}

@media (max-width: 640px) {
  .mk-about-hero h1 {
    font-size: clamp(1.8rem, 7.5vw, 2.35rem);
    line-height: 1.15;
  }

  .mk-about-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .mk-about-hero-actions .mk-btn {
    width: 100%;
  }

  .mk-about-proof-bar {
    flex-direction: column;
    gap: 8px;
  }

  .mk-about-jump-bar {
    gap: 8px 12px;
  }

  .mk-jump-links {
    gap: 6px 12px;
  }

  .mk-jump-links a {
    font-size: 0.72rem;
  }

  .mk-contact-qr-mobile-guide {
    display: block;
    margin-top: 14px;
    padding: 8px 12px;
    border: 1px dashed rgba(255, 253, 248, 0.35);
    background: rgba(255, 253, 248, 0.06);
    color: var(--mk-paper);
    font-size: 0.72rem;
    line-height: 1.5;
    text-align: center;
  }
}


/* ---------- 首页获客转化与视觉画廊升级（P0 + P1 美学重构） ---------- */

.mk-hero-action-stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 20px 26px;
  margin-top: 0.4rem;
  padding-top: 1.35rem;
  border-top: 1px solid var(--mk-line-soft);
}

.mk-hero-action-main {
  min-width: 0;
}

.mk-hero-action-main .mk-hero-proof {
  margin-top: 1.15rem;
}

.mk-hero-qr-card {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 7px;
  padding: 10px 10px 8px;
  border: 1px solid var(--mk-ink);
  border-top: 3px solid var(--mk-vermilion);
  background: var(--mk-paper-card);
  box-shadow: 0 14px 28px -18px rgba(38, 35, 30, 0.28);
}

.mk-hero-qr-card img {
  display: block;
  width: 128px;
  height: 128px;
  padding: 4px;
  background: #fff;
}

.mk-hero-qr-stamp-label {
  color: var(--mk-ink);
  font-family: var(--mk-mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1;
}

.mk-hero-qr-mobile-guide {
  display: none;
}

.mk-wechat-draft-preview {
  margin-top: 11px;
  padding: 9px 10px;
  border: 1px solid rgba(150, 63, 53, 0.28);
  border-left: 2px solid var(--mk-vermilion);
  background: var(--mk-paper);
}

.mk-wechat-draft-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--mk-mono);
  font-size: 0.46rem;
  line-height: 1.4;
}

.mk-wechat-draft-head span {
  color: var(--mk-vermilion);
  font-weight: 700;
}

.mk-wechat-draft-head small {
  padding: 1px 5px;
  border: 1px solid rgba(150, 63, 53, 0.25);
  color: var(--mk-ink);
  background: var(--mk-paper-card);
  font-size: 0.62rem;
}

.mk-wechat-draft-preview p {
  margin: 5px 0 0;
  color: var(--mk-body);
  font-size: 0.6rem;
  line-height: 1.55;
}

/* 画廊级双端叠层舞台 */
.mk-home-gallery-stage {
  display: flex;
  flex-direction: column;
  gap: clamp(28px, 3.8vw, 44px);
  min-width: 0;
}

.mk-home-callout-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  border: 1px solid var(--mk-line);
  border-top: 2px solid var(--mk-ink);
  background: var(--mk-paper-card);
}

.mk-home-callout-pin {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 20px 22px;
  border-right: 1px solid var(--mk-line-soft);
}

.mk-home-callout-pin:last-child {
  border-right: 0;
}

.mk-home-callout-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  margin-top: 2px;
  border: 1px solid rgba(150, 63, 53, 0.35);
  color: var(--mk-vermilion);
  background: rgba(150, 63, 53, 0.06);
  font-family: var(--mk-mono);
  font-size: 0.66rem;
  font-weight: 700;
}

.mk-home-callout-pin small {
  display: block;
  margin-bottom: 4px;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.58rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.mk-home-callout-pin h3 {
  margin: 0 0 6px;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 1.12rem;
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

.mk-home-callout-pin p {
  margin: 0;
  color: var(--mk-body);
  font-size: 0.8rem;
  line-height: 1.68;
}

.mk-home-gallery-canvas {
  position: relative;
  padding: 18px 0 46px clamp(160px, 21vw, 260px);
}

.mk-home-gallery-canvas::before {
  content: '';
  position: absolute;
  inset: 0 2% 24px 8%;
  border: 1px solid var(--mk-line);
  background:
    radial-gradient(circle at 18% 24%, rgba(150, 63, 53, 0.08), transparent 42%),
    var(--mk-paper-card);
  pointer-events: none;
}

.mk-home-gallery-web {
  position: relative;
  z-index: 1;
  min-width: 0;
  box-shadow: 0 28px 60px -28px rgba(38, 35, 30, 0.28);
}

.mk-home-gallery-phone {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  min-width: 0;
  width: clamp(210px, 25.5%, 300px);
  filter: drop-shadow(0 28px 36px rgba(38, 35, 30, 0.26));
}

/* 大字号时间账排版对比 */
.mk-home-ledger-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.mk-home-ledger-card {
  display: flex;
  flex-direction: column;
  border-top: 2px solid var(--mk-vermilion);
}

.mk-home-ledger-numbers {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px 10px;
  margin: 4px 0 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--mk-line-soft);
}

.mk-ledger-before {
  color: var(--mk-muted);
  font-size: 0.86rem;
  text-decoration: line-through;
  text-decoration-color: rgba(150, 63, 53, 0.55);
}

.mk-ledger-arrow {
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.9rem;
  font-weight: 700;
}

.mk-ledger-after {
  color: var(--mk-vermilion);
  font-family: var(--mk-display);
  font-size: clamp(1.55rem, 2.3vw, 2.05rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.mk-home-ledger-card h3 {
  margin: 0 0 8px;
  font-size: 1.15rem;
}

.mk-persona-block {
  margin-top: clamp(44px, 5.5vw, 68px);
  padding-top: clamp(34px, 4.5vw, 52px);
  border-top: 1px solid var(--mk-line);
}

.mk-persona-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px 24px;
  margin-bottom: 26px;
}

.mk-persona-head h3 {
  margin: 0;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: clamp(1.55rem, 2.5vw, 2.15rem);
  font-weight: 550;
  letter-spacing: -0.03em;
}

.mk-persona-head span {
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.66rem;
  letter-spacing: 0.05em;
}

.mk-persona-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.mk-persona-card {
  display: flex;
  flex-direction: column;
}

.mk-persona-card h4 {
  margin: 0 0 0.55rem;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 1.32rem;
  font-weight: 550;
  letter-spacing: -0.025em;
}

.mk-persona-card p {
  margin: 0 0 1.2rem;
}

.mk-persona-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--mk-line-soft);
  list-style: none;
}

.mk-persona-chips li {
  padding: 3px 8px;
  border: 1px solid var(--mk-line);
  color: var(--mk-ink-soft);
  background: var(--mk-paper);
  font-family: var(--mk-mono);
  font-size: 0.58rem;
  font-weight: 600;
}

.mk-referral-hook-strip {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 24px;
  padding: 14px 18px;
  border: 1px solid var(--mk-line);
  border-left: 3px solid var(--mk-vermilion);
  background: var(--mk-paper-card);
}

.mk-referral-hook-strip strong {
  color: var(--mk-vermilion);
  font-size: 0.82rem;
  font-weight: 650;
}

/* 返佣重点:大号衬线 15% 作为视觉锚点,说明文字降一级为其让位 */
.mk-referral-hook-strip .mk-referral-rate {
  color: var(--mk-vermilion);
  font-family: var(--mk-display);
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.mk-referral-hook-strip p {
  flex: 1 1 260px;
  margin: 0;
  color: var(--mk-body);
  font-size: 0.78rem;
  line-height: 1.65;
}

.mk-final-qr-aside {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 14px 14px 11px;
  border: 1px solid var(--mk-ink);
  border-top: 3px solid var(--mk-vermilion);
  background: var(--mk-paper-card);
  box-shadow: 0 14px 28px -18px rgba(38, 35, 30, 0.28);
  text-align: center;
}

.mk-final-qr-aside img {
  display: block;
  width: 128px;
  height: 128px;
  padding: 4px;
  background: #fff;
}

.mk-final-qr-aside strong {
  color: var(--mk-ink);
  font-family: var(--mk-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.mk-home-qr-mobile-guide {
  display: none;
}

@media (max-width: 640px) {
  .mk-final-qr-aside .mk-qr-desktop-label,
  .mk-final-qr-aside .mk-qr-desktop-sub {
    display: none;
  }

  .mk-home-qr-mobile-guide {
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin-top: 8px;
    text-align: center;
  }

  .mk-home-qr-mobile-guide strong {
    color: var(--mk-vermilion);
    font-size: 0.76rem;
    font-weight: 700;
  }

  .mk-home-qr-mobile-guide small {
    color: var(--mk-muted);
    font-size: 0.64rem;
  }
}

@media (max-width: 1099px) {
  .mk-home-hero-grid > * {
    min-width: 0;
  }

  .mk-home-callout-strip,
  .mk-home-ledger-grid,
  .mk-persona-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .mk-home-callout-pin {
    border-right: 0;
    border-bottom: 1px solid var(--mk-line-soft);
  }

  .mk-home-callout-pin:last-child {
    border-bottom: 0;
  }

  .mk-home-gallery-canvas {
    padding: 0;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 24px;
  }

  .mk-home-gallery-canvas::before {
    display: none;
  }

  .mk-home-gallery-phone {
    position: relative;
    width: min(300px, 78%);
    margin: 0 auto;
  }
}

@media (max-width: 767px) {
  .mk-hero-action-stage {
    grid-template-columns: minmax(0, 1fr);
    justify-items: start;
  }
}

/* ---------- Home gallery conversion CTA ---------- */

.mk-home-gallery-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: clamp(24px, 3vw, 36px);
  padding: 18px 24px;
  border: 1px solid var(--mk-line);
  border-left: 3px solid var(--mk-vermilion);
  background: var(--mk-paper-card);
}

.mk-home-gallery-cta p {
  margin: 0;
  color: var(--mk-body);
  font-size: 0.94rem;
  font-weight: 600;
}

@media (max-width: 640px) {
  .mk-home-gallery-cta {
    flex-direction: column;
    align-items: stretch;
  }

  .mk-home-gallery-cta p {
    font-size: 0.9rem;
  }

  .mk-home-gallery-cta .mk-btn {
    width: 100%;
  }
}

/* ---------- P1 可读性、对齐与引线打磨 ---------- */

/* 一天四卡:信号条升级为印章底色 chip,建立扫读锚点 */
.mk-solo-day-card-body small {
  display: inline-flex;
  align-items: center;
  margin-top: 1rem;
  padding: 4px 10px;
  background: rgba(150, 63, 53, 0.07);
  border-radius: 2px;
}

/* 墨色信任区:辅助文字对比度提升一档 */
.mk-trust-promises span {
  color: rgba(255, 253, 248, 0.78);
  font-size: 0.88rem;
}

.mk-audit-rail li small {
  color: rgba(255, 253, 248, 0.55);
}

/* 画廊 01/02/03 引线:hover 高亮对应双端截图(纯 CSS;不支持 :has 的浏览器静默降级) */
.mk-home-callout-pin {
  transition: background-color 160ms ease;
}

.mk-home-callout-pin:hover {
  background: rgba(150, 63, 53, 0.05);
}

.mk-home-gallery-web,
.mk-home-gallery-phone {
  outline: 2px solid transparent;
  outline-offset: 3px;
  transition: outline-color 160ms ease;
}

.mk-home-gallery-stage:has(.mk-home-callout-pin:nth-child(1):hover) .mk-home-gallery-phone {
  outline-color: rgba(150, 63, 53, 0.55);
}

.mk-home-gallery-stage:has(.mk-home-callout-pin:nth-child(2):hover) .mk-home-gallery-web {
  outline-color: rgba(150, 63, 53, 0.55);
}

.mk-home-gallery-stage:has(.mk-home-callout-pin:nth-child(3):hover) .mk-home-gallery-web,
.mk-home-gallery-stage:has(.mk-home-callout-pin:nth-child(3):hover) .mk-home-gallery-phone {
  outline-color: rgba(150, 63, 53, 0.35);
}

/* FAQ 追问引导沉到列表末尾,形成阅读闭环 */
.mk-faq-more {
  margin: 20px 0 0;
  color: var(--mk-muted);
  font-size: 0.78rem;
}

.mk-faq-more a {
  color: var(--mk-vermilion);
  font-weight: 600;
}

@media (max-width: 640px) {
  /* 手机端首屏：长按识别横条 */
  .mk-home-hero .mk-hero-qr-card {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 14px;
    width: 100%;
    max-width: 100%;
    padding: 10px 14px;
    box-sizing: border-box;
    border-top: 1px solid var(--mk-ink);
    border-left: 3px solid var(--mk-vermilion);
  }

  .mk-home-hero .mk-hero-qr-card img {
    width: 60px;
    height: 60px;
    padding: 2px;
    flex-shrink: 0;
  }

  .mk-home-hero .mk-hero-qr-card .mk-hero-qr-stamp-label {
    display: none;
  }

  .mk-home-hero .mk-hero-qr-card .mk-hero-qr-mobile-guide {
    display: flex;
    flex-direction: column;
    gap: 3px;
    min-width: 0;
  }

  .mk-hero-qr-mobile-guide strong {
    color: var(--mk-vermilion);
    font-size: 0.84rem;
    font-weight: 700;
  }

  .mk-hero-qr-mobile-guide small {
    color: var(--mk-body);
    font-size: 0.72rem;
    line-height: 1.45;
  }

  /* 1600px 宽工作台截图在移动端露出右侧 7 轴赢单雷达图与待办 */
  .mk-home-gallery-web .mk-shot-viewport img {
    aspect-ratio: 4 / 3;
    height: auto;
    object-fit: cover;
    object-position: 78% 50%;
  }
}

/* ---------- P2 细节打磨 ---------- */

/* 首屏信任条:前三项弱化,「资料随时取回」单独强调 */
.mk-hero-proof li:not(:last-child) {
  color: var(--mk-muted);
  font-weight: 500;
}

.mk-hero-proof li:last-child {
  color: var(--mk-ink);
  font-weight: 700;
}

.mk-hero-proof li:last-child::before {
  background: var(--mk-vermilion);
}

/* 演示卡案例标题(二期产线自动化改造 · 38 万)换非衬线并降一号,不再与 H1 抢衬线字体语言 */
.mk-stage-grid .mk-case-title {
  font-family: inherit;
  font-size: clamp(1rem, 1.3vw, 1.2rem);
  font-weight: 700;
  letter-spacing: 0;
}

/* 终屏 CTA:密度收紧 + 信任小字提亮(仅桌面宽度;≤640 保留原 64px 断点规则) */
@media (min-width: 641px) {
  .mk-final-cta {
    padding: clamp(60px, 7.5vw, 96px) 0;
  }
}

.mk-final-cta small {
  color: var(--mk-body);
}

.mk-final-qr-aside small {
  display: block;
  max-width: 200px;
  margin: 8px auto 0;
  color: var(--mk-muted);
  font-size: 0.68rem;
  line-height: 1.6;
}

/* 页脚从三栏并排改为两栏(公司并入法律),与 FOOTER_LINKS 分组保持一致;
   仅 ≥981 生效,≤820/≤640 的既有堆叠断点规则不受源顺序影响 */
@media (min-width: 981px) {
  .mk-footer-grid {
    grid-template-columns: minmax(0, 2.2fr) repeat(2, minmax(140px, 0.8fr));
  }
}

@media (min-width: 821px) and (max-width: 980px) {
  .mk-footer-grid {
    grid-template-columns: minmax(0, 1.6fr) repeat(2, minmax(120px, 0.8fr));
  }
}

/* ---------- D4: 画廊双端真机浮标胶囊 ---------- */

.mk-gallery-float-badge {
  position: absolute;
  z-index: 3;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--mk-ink);
  border-left: 3px solid var(--mk-vermilion);
  background: var(--mk-paper);
  box-shadow: 0 12px 28px -10px rgba(38, 35, 30, 0.35);
  pointer-events: none;
}

.mk-gallery-float-badge span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 2px;
  background: rgba(150, 63, 53, 0.08);
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.62rem;
  font-weight: 700;
}

.mk-gallery-float-badge small {
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.mk-gallery-float-badge-phone {
  top: 14px;
  left: 14px;
}

.mk-gallery-float-badge-web {
  top: 14px;
  right: 18px;
}

@media (max-width: 767px) {
  .mk-gallery-float-badge {
    position: static;
    margin-bottom: 10px;
    width: 100%;
    box-sizing: border-box;
  }
}

/* ---------- D5: 团队主管刚需 Chip 与定价卡差异化分水岭 ---------- */

.mk-team-boss-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.mk-team-boss-chips li {
  padding: 4px 10px;
  border: 1px solid var(--mk-line);
  border-left: 2px solid var(--mk-vermilion);
  background: var(--mk-paper);
  color: var(--mk-ink-soft);
  font-family: var(--mk-mono);
  font-size: 0.68rem;
  font-weight: 600;
}

.mk-price-line-head {
  display: flex;
  align-items: baseline;
  gap: 6px;
  width: 100%;
}

.mk-price-line-head .mk-price-plan-name {
  margin-right: auto;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.mk-price-line-head .mk-price-plan-amount {
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: clamp(1.4rem, 2vw, 1.85rem);
  font-weight: 600;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.mk-price-line-head .mk-price-plan-unit {
  color: var(--mk-muted);
  font-size: 0.58rem;
}

.mk-price-plan-audience {
  margin: 6px 0 2px;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.mk-price-plan-highlight {
  margin: 0;
  color: var(--mk-body);
  font-size: 0.72rem;
  line-height: 1.55;
}

/* ---------- D6: 可信 AI 真实工程背书条 ---------- */

.mk-trust-authority-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px 24px;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 253, 248, 0.14);
}

.mk-trust-authority-items {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  color: rgba(255, 253, 248, 0.82);
  font-size: 0.82rem;
}

.mk-trust-authority-items strong {
  color: #fff;
  font-weight: 600;
}

.mk-trust-authority-items i {
  color: rgba(255, 253, 248, 0.35);
  font-style: normal;
}

.mk-text-link-light {
  color: rgba(255, 253, 248, 0.88);
  border-bottom: 1px solid rgba(255, 253, 248, 0.35);
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
}

.mk-text-link-light:hover {
  color: #fff;
  border-bottom-color: var(--mk-vermilion);
}

/* ---------- 定价页 P0-P2 视觉与版式升级 ---------- */

/* 首屏行动区与零风险保障条 */
.mk-pricing-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 24px;
  margin: 1.8rem 0 1.2rem;
}

.mk-pricing-proof-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin: 1.4rem 0 0;
  padding-top: 1.2rem;
  border-top: 1px solid var(--mk-line-soft);
  list-style: none;
}

.mk-pricing-proof-bar li {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--mk-muted);
  font-size: 0.84rem;
  font-weight: 500;
}

.mk-pricing-proof-bar li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mk-line);
}

/* last-child 强调（墨色加粗 + 朱砂圆点）由 .mk-hero-proof li:last-child 契约承接：定价条与首屏信任条同用这两个类 */

/* 阶梯席位优惠横幅 */
.mk-pricing-discount-banner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  align-items: center;
  gap: 24px 36px;
  margin-bottom: clamp(28px, 4vw, 44px);
  padding: clamp(20px, 3vw, 28px) clamp(22px, 3.5vw, 36px);
  border: 1px solid var(--mk-line);
  border-left: 3px solid var(--mk-vermilion);
  background: var(--mk-paper-card);
  box-shadow: 0 12px 28px -18px rgba(38, 35, 30, 0.16);
}

.mk-discount-banner-copy h3 {
  margin: 0 0 6px;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}

.mk-discount-banner-copy p {
  margin: 0;
  color: var(--mk-body);
  font-size: 0.86rem;
  line-height: 1.65;
}

.mk-discount-calc-box {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 14px 18px;
  border: 1px solid rgba(150, 63, 53, 0.25);
  background: rgba(150, 63, 53, 0.04);
}

.mk-discount-calc-tag {
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mk-discount-calc-box strong {
  color: var(--mk-ink);
  font-family: var(--mk-mono);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.5;
}

.mk-discount-calc-box small {
  color: var(--mk-muted);
  font-size: 0.68rem;
}

/* 定价卡基线对齐与内部层级 */
.mk-plan-header-slot {
  display: flex;
  align-items: center;
  min-height: 24px;
  margin-bottom: 0.75rem;
}

.mk-plan-tag {
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.mk-plan-header-slot .mk-plan-badge {
  margin-bottom: 0;
  padding: 2px 7px;
  color: var(--mk-paper-card);
  background: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.mk-plan-roi-note {
  margin: 6px 0 16px;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.68rem;
  font-weight: 600;
  line-height: 1.5;
}

.mk-plan-watershed {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-bottom: 18px;
  padding: 8px 12px;
  border-left: 2px solid var(--mk-vermilion);
  background: rgba(150, 63, 53, 0.035);
}

.mk-plan-watershed strong {
  color: var(--mk-ink);
  font-size: 0.8rem;
  font-weight: 650;
  line-height: 1.45;
}

.mk-plan-watershed span {
  color: var(--mk-muted);
  font-size: 0.7rem;
  line-height: 1.55;
}

.mk-plan-action-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  margin-top: auto;
  padding-top: 14px;
}

.mk-plan-action-box .mk-btn {
  width: 100%;
}

.mk-btn-outline-ink {
  border-color: var(--mk-ink);
  color: var(--mk-ink);
  background: transparent;
  font-weight: 650;
}

.mk-btn-outline-ink:hover {
  background: var(--mk-ink);
  color: var(--mk-paper-card);
}

.mk-plan-cta-sub {
  color: var(--mk-muted);
  font-size: 0.66rem;
  text-align: center;
}

.mk-plan-secondary-link {
  font-size: 0.74rem;
  color: var(--mk-muted);
  min-height: auto;
  padding: 2px 0;
}

.mk-plan-secondary-link:hover {
  color: var(--mk-vermilion);
}

/* 全版本标配全流程底座 */
.mk-pricing-base-included {
  margin-top: clamp(48px, 6vw, 76px);
  padding: clamp(32px, 4.5vw, 56px) 0 0;
  border-top: 1px solid var(--mk-line);
}

.mk-base-included-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
  margin-top: 24px;
}

.mk-base-feature-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: 16px 18px;
  border: 1px solid var(--mk-line);
  border-top: 2px solid var(--mk-ink);
  background: var(--mk-paper-card);
}

.mk-base-feature-num {
  margin-bottom: 8px;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.66rem;
  font-weight: 700;
}

.mk-base-feature-card h4 {
  margin: 0 0 6px;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.mk-base-feature-card p {
  margin: 0;
  color: var(--mk-body);
  font-size: 0.84rem;
  line-height: 1.7;
}

/* 版本功能对比矩阵表格 */
.mk-pricing-compare-section {
  margin-top: clamp(48px, 6vw, 76px);
  padding-top: clamp(32px, 4.5vw, 56px);
  border-top: 1px solid var(--mk-line);
}

.mk-pricing-table-wrap {
  width: 100%;
  margin-top: 28px;
  overflow-x: auto;
  border: 1px solid var(--mk-line);
  border-top: 2px solid var(--mk-ink);
  background: var(--mk-paper-card);
  box-shadow: 0 10px 24px -14px rgba(38, 35, 30, 0.12);
  -webkit-overflow-scrolling: touch;
}

.mk-pricing-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  text-align: left;
}

.mk-pricing-table th,
.mk-pricing-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--mk-line-soft);
  vertical-align: middle;
}

.mk-pricing-table thead th {
  padding: 20px 18px;
  background: var(--mk-paper);
  border-bottom: 1px solid var(--mk-line);
}

.mk-col-feature {
  width: 40%;
}

.mk-col-tier {
  width: 20%;
  text-align: center;
}

.mk-col-tier.mk-tier-featured {
  position: relative;
  background: rgba(150, 63, 53, 0.035);
  border-left: 1px solid var(--mk-line-soft);
  border-right: 1px solid var(--mk-line-soft);
}

.mk-table-tier-name {
  display: block;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 1.12rem;
  font-weight: 600;
}

.mk-table-tier-price {
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 1.35rem;
  font-weight: 600;
  line-height: 1;
}

.mk-col-tier small {
  color: var(--mk-muted);
  font-size: 0.65rem;
}

.mk-table-featured-tag {
  display: inline-block;
  margin-bottom: 4px;
  padding: 1px 6px;
  color: #fff;
  background: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.52rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.mk-table-group-row td {
  padding: 12px 18px;
  background: var(--mk-paper-shade);
  border-bottom: 1px solid var(--mk-line);
}

.mk-table-group-title {
  color: var(--mk-ink);
  font-family: var(--mk-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.mk-feature-cell-title {
  display: block;
  color: var(--mk-ink);
  font-size: 0.88rem;
  font-weight: 600;
  line-height: 1.4;
}

.mk-feature-cell-desc {
  display: block;
  margin-top: 3px;
  color: var(--mk-muted);
  font-size: 0.72rem;
  line-height: 1.5;
}

.mk-check-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(150, 63, 53, 0.08);
  margin: 0 auto;
}

.mk-check-icon::before {
  content: '';
  display: block;
  width: 5px;
  height: 9px;
  border: solid var(--mk-vermilion);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-top: -2px;
}

.mk-dash-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin: 0 auto;
}

.mk-dash-icon::before {
  content: '';
  display: block;
  width: 10px;
  height: 2px;
  background: var(--mk-line);
}

.mk-quota-text {
  color: var(--mk-ink);
  font-family: var(--mk-mono);
  font-size: 0.78rem;
  font-weight: 700;
}

/* 满宽 3 栏计费看板 */
.mk-pricing-notes-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
  margin-top: 24px;
}

.mk-note-card {
  display: flex;
  flex-direction: column;
  padding: 24px 22px;
  border: 1px solid var(--mk-line);
  border-top: 2px solid var(--mk-ink);
  background: var(--mk-paper-card);
}

.mk-note-card-tag {
  display: inline-block;
  margin-bottom: 8px;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.mk-note-card h3 {
  margin: 0 0 8px;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.mk-note-card p {
  margin: 0 0 14px;
  color: var(--mk-body);
  font-size: 0.85rem;
  line-height: 1.75;
}

.mk-note-highlight-box {
  margin-top: auto;
  padding: 12px 14px;
  border-left: 2px solid var(--mk-vermilion);
  background: rgba(150, 63, 53, 0.04);
}

.mk-note-highlight-box strong {
  display: block;
  margin-bottom: 4px;
  color: var(--mk-ink);
  font-size: 0.82rem;
  font-weight: 650;
}

.mk-note-highlight-box span {
  display: block;
  color: var(--mk-muted);
  font-size: 0.74rem;
  line-height: 1.6;
}

.mk-note-packages-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: auto;
}

.mk-pkg-item {
  display: flex;
  flex-direction: column;
  padding: 8px 10px;
  border: 1px solid var(--mk-line);
  background: var(--mk-paper);
}

.mk-pkg-item span {
  color: var(--mk-vermilion);
  font-family: var(--mk-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.2;
}

.mk-pkg-item small {
  margin-top: 2px;
  color: var(--mk-muted);
  font-size: 0.66rem;
}

.mk-note-subtext {
  display: block;
  margin-top: 8px;
  color: var(--mk-muted);
  font-size: 0.68rem;
}

.mk-note-bullets {
  margin: auto 0 0;
  padding-left: 18px;
  color: var(--mk-body);
  font-size: 0.82rem;
  line-height: 1.7;
}

.mk-note-bullets li {
  margin-bottom: 6px;
}

/* 购买前常问 FAQ */
.mk-pricing-faq {
  margin-top: clamp(48px, 6vw, 76px);
  padding-top: clamp(32px, 4.5vw, 56px);
  border-top: 1px solid var(--mk-line);
}

/* 尾屏双通道转化横幅 */
.mk-pricing-final-banner {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) auto;
  align-items: center;
  gap: clamp(28px, 4vw, 56px);
  margin-top: clamp(54px, 7vw, 92px);
  padding: clamp(32px, 5vw, 60px) clamp(28px, 4.5vw, 56px);
  border: 1px solid var(--mk-ink);
  border-top: 3px solid var(--mk-vermilion);
  background: var(--mk-ink);
  color: var(--mk-paper-card);
  box-shadow: 0 24px 50px -20px rgba(38, 35, 30, 0.45);
}

.mk-pricing-final-copy h2 {
  max-width: 14em;
  margin: 0 0 0.8rem;
  color: #fff;
  font-family: var(--mk-display);
  font-size: clamp(1.8rem, 3.2vw, 2.7rem);
  font-weight: 550;
  line-height: 1.2;
  letter-spacing: -0.035em;
}

.mk-pricing-final-copy p {
  max-width: 38em;
  margin: 0 0 1.6rem;
  color: rgba(255, 253, 248, 0.72);
  font-size: 0.94rem;
  line-height: 1.8;
}

.mk-pricing-final-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px 22px;
  margin-bottom: 1.2rem;
}

.mk-pricing-final-copy small {
  display: block;
  color: rgba(255, 253, 248, 0.5);
  font-size: 0.72rem;
  line-height: 1.6;
}

.mk-pricing-final-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.mk-pricing-qr-mobile-guide {
  display: none;
}

/* 响应式断点 */
@media (max-width: 1099px) {
  .mk-base-included-grid,
  .mk-pricing-notes-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .mk-pricing-discount-banner {
    grid-template-columns: 1fr;
  }

  .mk-pricing-final-banner {
    grid-template-columns: 1fr;
    padding: 32px 24px;
  }

  .mk-pricing-final-qr {
    align-items: flex-start;
    width: 100%;
  }
}

@media (max-width: 640px) {
  .mk-pricing-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .mk-pricing-hero-actions .mk-btn {
    width: 100%;
  }

  .mk-pricing-proof-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .mk-base-included-grid,
  .mk-pricing-notes-grid {
    grid-template-columns: 1fr;
  }

  .mk-pricing-final-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .mk-pricing-final-actions .mk-btn {
    width: 100%;
  }

  /* 移动端尾屏长按识别：保留二维码卡片展示，供用户在微信内直接长按识别 */
  .mk-pricing-final-qr {
    align-items: center;
  }

  .mk-pricing-final-qr .mk-final-qr-aside {
    display: flex;
    margin-bottom: 12px;
  }

  .mk-pricing-qr-mobile-guide {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
    max-width: 320px;
    padding: 10px 14px;
    border: 1px solid rgba(255, 253, 248, 0.2);
    border-left: 3px solid var(--mk-vermilion);
    background: rgba(255, 253, 248, 0.06);
    box-sizing: border-box;
    text-align: center;
  }

  .mk-pricing-qr-mobile-guide strong {
    color: var(--mk-vermilion-bright);
    font-size: 0.86rem;
    font-weight: 700;
  }

  .mk-pricing-qr-mobile-guide small {
    color: rgba(255, 253, 248, 0.75);
    font-size: 0.74rem;
    line-height: 1.5;
  }
}

/* ---------- 常见问题页（/faq/）深化升级（P0–P2） ---------- */

.mk-faq-hero {
  padding-bottom: clamp(28px, 4vw, 44px);
}

.mk-faq-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin: 2rem 0 1.5rem;
}

.mk-faq-proof-bar {
  margin-bottom: 2rem;
}

.mk-faq-jump-bar {
  margin-top: 1.5rem;
}

.mk-faq-topic-section {
  padding: clamp(48px, 6vw, 76px) 0;
  border-bottom: 1px solid var(--mk-line-soft);
}

.mk-faq-topic-section:nth-of-type(even) {
  background: var(--mk-paper-card);
}

.mk-faq-group-grid {
  display: grid;
  grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}

.mk-faq-group-aside {
  position: sticky;
  top: 96px;
}

.mk-faq-group-aside h2 {
  margin: 8px 0 12px;
  color: var(--mk-ink);
  font-family: var(--mk-display);
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -0.02em;
}

.mk-faq-group-desc {
  margin: 0 0 16px;
  color: var(--mk-muted);
  font-size: 0.88rem;
  line-height: 1.75;
}

.mk-faq-count-badge {
  display: inline-block;
  padding: 4px 10px;
  border: 1px solid var(--mk-line);
  border-left: 2px solid var(--mk-vermilion);
  background: var(--mk-paper);
  color: var(--mk-body);
  font-family: var(--mk-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

.mk-faq-topic-section .mk-faq {
  border: 1px solid var(--mk-line);
  border-top: 3px solid var(--mk-ink);
  background: var(--mk-paper-card);
  box-shadow: 0 4px 20px rgba(38, 35, 30, 0.04);
}

.mk-faq-topic-section .mk-faq details {
  border-bottom: 1px solid var(--mk-line-soft);
  transition: background 0.15s ease;
}

.mk-faq-topic-section .mk-faq details:last-child {
  border-bottom: none;
}

.mk-faq-topic-section .mk-faq details[open] {
  background: rgba(255, 255, 255, 0.5);
}

.mk-faq-topic-section .mk-faq summary {
  padding: 1.25rem 2.6rem 1.25rem 1.5rem;
  font-size: clamp(1.02rem, 1.4vw, 1.2rem);
}

.mk-faq-topic-section .mk-faq summary::after {
  right: 1.5rem;
}

.mk-faq-topic-section .mk-faq .mk-faq-answer {
  max-width: none;
  padding: 0 1.5rem 1.5rem 1.5rem;
}

.mk-faq-takeaway {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-bottom: 0.85rem;
  padding: 8px 12px;
  border-left: 3px solid var(--mk-vermilion);
  background: rgba(150, 63, 53, 0.05);
  font-size: 0.84rem;
  line-height: 1.6;
}

.mk-faq-takeaway strong {
  color: var(--mk-vermilion);
  font-weight: 700;
  white-space: nowrap;
}

.mk-faq-takeaway span {
  color: var(--mk-ink);
  font-weight: 600;
}

.mk-faq-detail-text {
  margin: 0;
  color: var(--mk-body);
  font-size: 0.88rem;
  line-height: 1.85;
}

.mk-faq-action-row {
  margin-top: 0.9rem;
  padding-top: 0.75rem;
  border-top: 1px dashed var(--mk-line-soft);
}

.mk-faq-final-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 24px;
}

/* 深色横幅内主按钮：醒目朱砂红实底，杜绝深墨底融化失焦 */
.mk-faq-final-actions .mk-btn-primary,
.mk-contact-qr-banner .mk-btn-primary {
  border-color: var(--mk-vermilion);
  color: #ffffff !important;
  background: var(--mk-vermilion);
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(199, 62, 29, 0.38);
}

.mk-faq-final-actions .mk-btn-primary:hover,
.mk-contact-qr-banner .mk-btn-primary:hover {
  border-color: #d84520;
  background: #d84520;
  color: #ffffff !important;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(199, 62, 29, 0.5);
}

/* 深色横幅内次级按钮：半透高亮浅底与高对比暖白字，彻底杜绝黑底黑字穿帮 */
.mk-faq-final-actions .mk-btn-light,
.mk-faq-final-actions .mk-btn-ghost,
.mk-faq-final-actions .mk-btn-outline-light,
.mk-contact-qr-banner .mk-btn-light,
.mk-contact-qr-banner .mk-btn-ghost,
.mk-contact-qr-banner .mk-btn-outline-light {
  border: 1px solid rgba(255, 253, 248, 0.65);
  color: #fffdf8 !important;
  background: rgba(255, 253, 248, 0.08);
  font-weight: 650;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.35);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.mk-faq-final-actions .mk-btn-light:hover,
.mk-faq-final-actions .mk-btn-ghost:hover,
.mk-faq-final-actions .mk-btn-outline-light:hover,
.mk-contact-qr-banner .mk-btn-light:hover,
.mk-contact-qr-banner .mk-btn-ghost:hover,
.mk-contact-qr-banner .mk-btn-outline-light:hover {
  border-color: #fffdf8;
  color: #26231e !important;
  background: #fffdf8;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.35);
  text-shadow: none;
}

.mk-faq-final-section {
  border-top: 1px solid var(--mk-line);
}

@media (max-width: 980px) {
  .mk-faq-group-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .mk-faq-group-aside {
    position: static;
  }
}

@media (max-width: 640px) {
  .mk-faq-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .mk-faq-hero-actions .mk-btn {
    width: 100%;
  }

  .mk-faq-proof-bar {
    flex-direction: column;
    gap: 8px;
  }

  .mk-faq-jump-bar {
    gap: 8px 10px;
    padding: 10px 14px;
  }

  .mk-faq-topic-section .mk-faq summary {
    padding: 1.1rem 2.2rem 1.1rem 1rem;
    font-size: 1.02rem;
  }

  .mk-faq-topic-section .mk-faq summary::after {
    right: 1rem;
  }

  .mk-faq-topic-section .mk-faq .mk-faq-answer {
    padding: 0 1rem 1.25rem 1rem;
  }

  .mk-faq-final-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .mk-faq-final-actions .mk-btn {
    width: 100%;
  }
}

/* ============================================================
   主流办公与社交软件全域打通 & 信息流转展示模块 (Ecosystem & Flow)
   ============================================================ */

/* 1. 首屏生态速览药丸与模拟微徽章 */
.mk-hero-ecosystem-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.mk-hero-eco-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--mk-line);
  background: var(--mk-paper-card);
  color: var(--mk-ink-soft);
  font-size: 0.72rem;
  font-weight: 550;
  line-height: 1.4;
  white-space: nowrap;
}

.mk-hero-eco-pill::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.mk-hero-eco-pill.is-wechat::before {
  background: #07c160;
  box-shadow: 0 0 4px rgba(7, 193, 96, 0.5);
}

.mk-hero-eco-pill.is-wecom::before {
  background: #2b70f0;
  box-shadow: 0 0 4px rgba(43, 112, 240, 0.5);
}

.mk-hero-eco-pill.is-feishu::before {
  background: #00b96b;
  box-shadow: 0 0 4px rgba(0, 185, 107, 0.5);
}

.mk-hero-eco-pill.is-dingtalk::before {
  background: #0089ff;
  box-shadow: 0 0 4px rgba(0, 137, 255, 0.5);
}

/* 首屏手机内微方案阅读雷达浮条 */
.mk-hero-radar-badge {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 9px;
  padding: 8px 10px;
  border: 1px solid rgba(7, 193, 96, 0.35);
  border-left: 2px solid #07c160;
  background: rgba(7, 193, 96, 0.04);
}

.mk-hero-radar-dot {
  width: 7px;
  height: 7px;
  margin-top: 3px;
  border-radius: 50%;
  background: #07c160;
  box-shadow: 0 0 6px rgba(7, 193, 96, 0.8);
  animation: mk-radar-pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
  flex-shrink: 0;
}

@keyframes mk-radar-pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.4;
    transform: scale(1.3);
  }
}

.mk-hero-radar-badge strong {
  display: block;
  color: var(--mk-ink);
  font-size: 0.62rem;
  font-weight: 700;
  line-height: 1.3;
}

.mk-hero-radar-badge small {
  display: block;
  margin-top: 1px;
  color: var(--mk-muted);
  font-size: 0.56rem;
  line-height: 1.4;
}

/* 首屏桌面卡片底部生态联动标识 */
.mk-hero-desktop-eco-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 10px;
  padding: 6px 10px;
  border-top: 1px dashed var(--mk-line);
  color: var(--mk-muted);
  font-size: 0.58rem;
  font-family: var(--mk-mono);
  line-height: 1.4;
}

.mk-hero-desktop-eco-bar i {
  color: var(--mk-line);
  font-style: normal;
}

/* 2. 主生态板块外层容器 */
.mk-ecosystem-section {
  padding: clamp(64px, 7vw, 96px) 0;
  border-top: 1px solid var(--mk-ink);
  background: var(--mk-paper);
}

.mk-ecosystem-section .mk-section-head-split {
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.55fr);
  gap: 24px 48px;
}

.mk-ecosystem-section .mk-section-head-split h2 {
  max-width: none;
}

@media (min-width: 960px) {
  .mk-ecosystem-section .mk-title-line {
    display: block;
    white-space: nowrap;
  }
}

.mk-ecosystem-head-summary {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.mk-ecosystem-pill-strip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(184, 50, 48, 0.08);
  border: 1px solid rgba(184, 50, 48, 0.22);
  color: var(--mk-vermilion);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.mk-ecosystem-pill-strip i {
  color: rgba(184, 50, 48, 0.4);
  font-style: normal;
}

.mk-ecosystem-head-sub {
  max-width: 38em;
  margin: 0;
  color: var(--mk-body);
  font-size: 0.88rem;
  line-height: 1.7;
}

/* 2. 实际图片效果展示：外勤微信端 + 企业办公协同端 */
.mk-ecosystem-visual-canvas {
  margin-top: 36px;
  margin-bottom: 40px;
  padding: clamp(24px, 3.5vw, 36px);
  border-radius: 8px;
  border: 1px solid var(--mk-line);
  background: linear-gradient(180deg, #fbf9f5 0%, #f4f0e8 100%);
  box-shadow: 0 4px 20px rgba(38, 35, 30, 0.04);
}

.mk-ecosystem-canvas-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  padding: 12px 18px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(38, 35, 30, 0.08);
  backdrop-filter: blur(4px);
}

.mk-ecosystem-canvas-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
}

.mk-ecosystem-canvas-nav-item strong {
  color: var(--mk-ink);
  font-weight: 650;
}

.mk-ecosystem-canvas-nav-item small {
  color: var(--mk-muted);
  font-size: 0.74rem;
}

.mk-ecosystem-nav-badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 4px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.mk-ecosystem-canvas-nav-item.is-field .mk-ecosystem-nav-badge {
  background: rgba(7, 193, 96, 0.12);
  color: #056631;
  border: 1px solid rgba(7, 193, 96, 0.25);
}

.mk-ecosystem-canvas-nav-item.is-office .mk-ecosystem-nav-badge {
  background: rgba(43, 112, 240, 0.12);
  color: #124eb8;
  border: 1px solid rgba(43, 112, 240, 0.25);
}

.mk-ecosystem-canvas-nav-arrow {
  color: var(--mk-vermilion);
  font-weight: 700;
  opacity: 0.75;
}

.mk-ecosystem-canvas-stage {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.95fr);
  align-items: center;
  gap: 28px;
}

.mk-ecosystem-shot-card {
  position: relative;
  display: flex;
  flex-direction: column;
}

.mk-ecosystem-shot-web {
  width: 100%;
}

.mk-ecosystem-shot-web .mk-shot-browser {
  width: 100%;
  border-radius: 6px;
  box-shadow: 0 16px 36px rgba(38, 35, 30, 0.12);
  border: 1px solid rgba(38, 35, 30, 0.12);
}

.mk-ecosystem-shot-phone {
  display: flex;
  justify-content: center;
}

.mk-ecosystem-shot-phone .mk-shot-phone {
  max-width: 290px;
  margin: 0 auto;
  box-shadow: 0 18px 40px rgba(38, 35, 30, 0.16);
}

/* 3. 4 大主流软件专属轻量磁贴：极简高浓度，秒抓重点 */
.mk-ecosystem-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-top: 36px;
  margin-bottom: 24px;
}

.mk-ecosystem-card {
  display: flex;
  flex-direction: column;
  padding: 20px 18px;
  border: 1px solid var(--mk-line);
  border-top-width: 3px;
  border-radius: 6px;
  background: #ffffff;
  box-shadow: 0 2px 10px rgba(38, 35, 30, 0.03);
  transition: transform 180ms cubic-bezier(0.16, 1, 0.3, 1), box-shadow 180ms ease;
}

.mk-ecosystem-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(38, 35, 30, 0.08);
}

.mk-ecosystem-card.is-wechat {
  border-top-color: #07c160;
}

.mk-ecosystem-card.is-wecom {
  border-top-color: #2b70f0;
}

.mk-ecosystem-card.is-dingtalk {
  border-top-color: #0089ff;
}

.mk-ecosystem-card.is-feishu {
  border-top-color: #00b96b;
}

.mk-ecosystem-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 12px;
}

.mk-ecosystem-brand-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-family: var(--mk-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.mk-ecosystem-brand-pill.is-wechat {
  color: #056631;
  background: rgba(7, 193, 96, 0.12);
  border: 1px solid rgba(7, 193, 96, 0.28);
}

.mk-ecosystem-brand-pill.is-wecom {
  color: #124eb8;
  background: rgba(43, 112, 240, 0.12);
  border: 1px solid rgba(43, 112, 240, 0.28);
}

.mk-ecosystem-brand-pill.is-feishu {
  color: #007042;
  background: rgba(0, 185, 107, 0.12);
  border: 1px solid rgba(0, 185, 107, 0.28);
}

.mk-ecosystem-brand-pill.is-dingtalk {
  color: #005bb0;
  background: rgba(0, 137, 255, 0.12);
  border: 1px solid rgba(0, 137, 255, 0.28);
}

.mk-ecosystem-role-badge {
  padding: 2px 7px;
  border-radius: 999px;
  border: 1px solid var(--mk-line-soft);
  background: var(--mk-paper);
  color: var(--mk-muted);
  font-size: 0.65rem;
  font-weight: 500;
  white-space: nowrap;
}

.mk-ecosystem-card-title {
  margin: 0 0 14px;
  color: var(--mk-ink);
  font-size: 0.92rem;
  font-weight: 650;
  line-height: 1.4;
  min-height: 2.8em;
}

.mk-ecosystem-lines {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
  flex-grow: 1;
}

.mk-ecosystem-line {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 5px 8px;
  border-radius: 4px;
  background: #fbf9f6;
  border: 1px solid rgba(38, 35, 30, 0.05);
  font-size: 0.74rem;
  line-height: 1.4;
}

.mk-ecosystem-dot {
  display: inline-block;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mk-vermilion);
  flex-shrink: 0;
  transform: translateY(-1px);
}

.mk-ecosystem-line-content {
  display: inline;
  color: var(--mk-body);
}

.mk-ecosystem-line-content strong {
  color: var(--mk-ink);
  font-weight: 650;
}

.mk-ecosystem-line-sep {
  margin: 0 4px;
  color: var(--mk-line);
}

.mk-ecosystem-line-content small {
  color: var(--mk-muted);
  font-size: 0.7rem;
}

.mk-ecosystem-card-footer {
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid var(--mk-line-soft);
}

.mk-ecosystem-card-footer .mk-text-link {
  font-size: 0.76rem;
}

@media (max-width: 1100px) {
  .mk-ecosystem-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mk-ecosystem-canvas-nav {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .mk-ecosystem-canvas-nav-arrow {
    display: none;
  }

  .mk-ecosystem-canvas-stage {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .mk-ecosystem-shot-phone .mk-shot-phone {
    max-width: 280px;
  }
}

@media (max-width: 640px) {
  .mk-ecosystem-grid {
    grid-template-columns: 1fr;
  }
}



/* 功能说明页：双场景图文。
   依赖 marketing.css 的纸墨朱砂 token；本文件通过 build.ts 追加到全站 CSS 产物。 */

.mk-features-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(52px, 7vw, 96px) 0 36px;
  border-bottom: 1px solid var(--mk-line);
  background:
    radial-gradient(circle at 86% 18%, rgba(150, 63, 53, 0.1), transparent 30%),
    linear-gradient(180deg, var(--mk-paper-card), var(--mk-paper));
}

.mk-features-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(36px, 5vw, 76px);
  align-items: center;
}

.mk-features-hero-copy h1 {
  max-width: 12em;
  margin-bottom: 1.15rem;
  font-family: var(--mk-display);
  font-size: clamp(2.65rem, 4.4vw, 4.15rem);
  font-weight: 550;
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.mk-features-lede {
  max-width: 36em;
  margin-bottom: 1.6rem;
  color: var(--mk-body);
  font-size: clamp(0.98rem, 1.15vw, 1.08rem);
  line-height: 1.85;
}

.mk-features-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.mk-features-reassure {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  color: var(--mk-muted);
  font-size: 0.76rem;
  line-height: 1.5;
}

.mk-dot-sep {
  opacity: 0.6;
}

.mk-features-scope {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.mk-features-scope span {
  padding: 5px 11px;
  border: 1px solid var(--mk-line);
  color: var(--mk-muted);
  background: rgba(255, 253, 248, 0.75);
  font-family: var(--mk-mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.mk-features-stage {
  position: relative;
  min-height: 520px;
  padding: 20px 0 54px 38px;
}

.mk-hero-shot-web {
  width: 88%;
  margin-left: auto;
}

.mk-hero-shot-phone {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 31%;
  min-width: 170px;
  filter: drop-shadow(0 22px 24px rgba(38, 35, 30, 0.18));
}

.mk-features-disclaimer {
  margin: 18px 0 0;
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.66rem;
  letter-spacing: 0.04em;
}

.mk-feature-jump {
  border-bottom: 1px solid var(--mk-line);
  background: var(--mk-paper-card);
}

.mk-feature-jump-inner {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
}

.mk-feature-jump a {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 14px;
  padding: 18px 24px;
  border-right: 1px solid var(--mk-line-soft);
  transition: background-color 160ms ease;
  text-decoration: none;
}

.mk-feature-jump a:first-child {
  border-left: 1px solid var(--mk-line-soft);
}

.mk-feature-jump a:hover {
  background: var(--mk-paper);
}

.mk-feature-jump span {
  grid-row: 1 / 3;
  align-self: center;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.74rem;
  font-weight: 700;
}

.mk-feature-jump strong {
  color: var(--mk-ink);
  font-size: 0.88rem;
}

.mk-feature-jump small {
  color: var(--mk-muted);
  font-size: 0.72rem;
}

.mk-scene {
  padding-top: clamp(56px, 7vw, 96px);
  padding-bottom: clamp(60px, 7vw, 100px);
}

.mk-scene-office {
  background: var(--mk-paper-shade);
}

.mk-scene-head {
  max-width: 900px;
  margin-bottom: clamp(36px, 5vw, 58px);
}

.mk-scene-index {
  display: inline-block;
  margin-bottom: 0.85rem;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}

.mk-scene-head h2 {
  max-width: 14em;
  margin-bottom: 0.65rem;
  font-family: var(--mk-display);
  font-size: clamp(2.1rem, 3.8vw, 3.4rem);
  font-weight: 550;
  line-height: 1.16;
  letter-spacing: -0.035em;
}

.mk-scene-head p {
  max-width: 44em;
  margin: 0;
  color: var(--mk-body);
  font-size: 1rem;
  line-height: 1.9;
}

.mk-feature-story {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(0, 1.16fr);
  gap: clamp(32px, 5vw, 68px);
  align-items: center;
  padding: clamp(38px, 5vw, 58px) 0;
  border-top: 1px solid var(--mk-line);
}

.mk-feature-story:last-child {
  border-bottom: 1px solid var(--mk-line);
}

.mk-feature-story-reverse .mk-feature-story-copy {
  order: 2;
}

.mk-feature-story .mk-shot-phone {
  max-width: 360px;
  margin: 0 auto;
}

.mk-feature-story-copy h3 {
  margin-bottom: 0.7rem;
  font-family: var(--mk-display);
  font-size: clamp(1.6rem, 2.6vw, 2.45rem);
  font-weight: 550;
  line-height: 1.22;
  letter-spacing: -0.03em;
}

.mk-feature-story-copy > p {
  color: var(--mk-body);
  font-size: 0.96rem;
  line-height: 1.9;
}

.mk-story-kicker {
  display: block;
  margin-bottom: 0.65rem;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.mk-story-highlights {
  display: grid;
  gap: 10px;
  margin-top: 1.25rem;
  list-style: none;
}

.mk-story-highlights li {
  position: relative;
  padding-left: 18px;
  color: var(--mk-ink-soft);
  font-size: 0.88rem;
  line-height: 1.65;
}

.mk-story-highlights li::before {
  position: absolute;
  top: 0.66em;
  left: 0;
  width: 7px;
  border-top: 1px solid var(--mk-vermilion);
  content: '';
}

.mk-field-tools {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(36px, 5vw, 60px);
  border-top: 1px solid var(--mk-ink);
  border-bottom: 1px solid var(--mk-line);
}

.mk-field-tool {
  min-height: 154px;
  padding: 26px 28px 28px 0;
  border-right: 1px solid var(--mk-line);
}

.mk-field-tool + .mk-field-tool {
  padding-left: 28px;
}

.mk-field-tool:last-child {
  border-right: 0;
}

.mk-tool-index {
  display: inline-block;
  margin-bottom: 0.65rem;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.mk-field-tool h3 {
  margin-bottom: 0.5rem;
  font-family: var(--mk-display);
  font-size: 1.35rem;
  font-weight: 550;
}

.mk-field-tool p {
  margin: 0;
  color: var(--mk-body);
  font-size: 0.87rem;
  line-height: 1.8;
}

.mk-office-lead .mk-feature-story {
  padding-top: 0;
  border-top: 0;
}

.mk-office-duo {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(24px, 4vw, 44px);
  margin-top: clamp(28px, 5vw, 52px);
}

.mk-office-duo .mk-feature-story-compact {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: stretch;
  padding: 28px;
  border: 1px solid var(--mk-line);
  background: var(--mk-paper-card);
}

.mk-office-duo .mk-feature-story-compact.mk-feature-story-reverse .mk-feature-story-copy {
  order: 0;
}

.mk-office-duo .mk-feature-story-compact .mk-feature-story-copy h3 {
  font-size: clamp(1.4rem, 2.1vw, 1.9rem);
}

.mk-capability-matrix {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: clamp(46px, 6vw, 72px);
  border-top: 1px solid var(--mk-ink);
  border-left: 1px solid var(--mk-line);
}

.mk-capability-group {
  padding: 26px 26px 30px;
  border-right: 1px solid var(--mk-line);
  border-bottom: 1px solid var(--mk-line);
  background: rgba(255, 253, 248, 0.48);
}

.mk-capability-head {
  margin-bottom: 0.35rem;
}

.mk-capability-badge {
  display: inline-block;
  margin-bottom: 0.35rem;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.mk-capability-group h3 {
  margin-bottom: 0.25rem;
  font-family: var(--mk-display);
  font-size: 1.45rem;
  font-weight: 550;
}

.mk-capability-group > p {
  margin-bottom: 1.25rem;
  color: var(--mk-muted);
  font-size: 0.79rem;
}

.mk-capability-group dl {
  display: grid;
  gap: 13px;
  margin: 0;
}

.mk-capability-group dl > div {
  padding-top: 11px;
  border-top: 1px solid var(--mk-line-soft);
}

.mk-capability-group dt {
  color: var(--mk-ink);
  font-size: 0.85rem;
  font-weight: 700;
}

.mk-capability-group dd {
  margin: 3px 0 0;
  color: var(--mk-body);
  font-size: 0.8rem;
  line-height: 1.65;
}

/* 中段转化带 */
.mk-features-mid-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  margin-top: clamp(40px, 5vw, 64px);
  padding: 28px 34px;
  border: 1px solid var(--mk-line);
  border-left: 4px solid var(--mk-vermilion);
  background: var(--mk-paper-card);
  box-shadow: 0 4px 18px rgba(38, 35, 30, 0.04);
}

.mk-mid-cta-info {
  max-width: 600px;
}

.mk-mid-cta-tag {
  display: inline-block;
  margin-bottom: 6px;
  color: var(--mk-vermilion);
  font-family: var(--mk-mono);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.06em;
}

.mk-mid-cta-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 6px;
}

.mk-mid-cta-price strong {
  font-family: var(--mk-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--mk-ink);
  line-height: 1;
}

.mk-mid-cta-price span {
  color: var(--mk-muted);
  font-size: 0.82rem;
}

.mk-mid-cta-info p {
  margin: 0;
  color: var(--mk-body);
  font-size: 0.86rem;
  line-height: 1.7;
}

.mk-mid-cta-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}

.mk-handoff-band {
  padding: clamp(56px, 7vw, 96px) 0;
  color: var(--mk-paper-card);
  background:
    linear-gradient(135deg, rgba(216, 131, 111, 0.08), transparent 38%),
    var(--mk-ink);
  border-top: 3px solid var(--mk-vermilion);
}

.mk-handoff-head {
  max-width: 820px;
}

.mk-handoff-head h2 {
  color: var(--mk-paper-card);
  font-family: var(--mk-display);
  font-size: clamp(2.1rem, 3.8vw, 3.35rem);
  font-weight: 550;
  letter-spacing: -0.035em;
}

.mk-handoff-head p {
  max-width: 42em;
  color: rgba(255, 253, 248, 0.68);
  line-height: 1.85;
}

.mk-handoff-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin-top: clamp(38px, 5vw, 60px);
  padding: 0;
  list-style: none;
}

.mk-handoff-step {
  position: relative;
  padding: 24px 22px 0 0;
  border-top: 1px solid rgba(255, 253, 248, 0.28);
}

.mk-handoff-step::before {
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--mk-vermilion-bright);
  content: '';
}

.mk-handoff-step > span {
  display: block;
  margin-bottom: 0.65rem;
  color: rgba(255, 253, 248, 0.42);
  font-family: var(--mk-mono);
  font-size: 0.68rem;
  font-weight: 700;
}

.mk-handoff-step h3 {
  margin-bottom: 0.45rem;
  color: var(--mk-paper-card);
  font-size: 1rem;
}

.mk-handoff-step p {
  margin: 0;
  color: rgba(255, 253, 248, 0.65);
  font-size: 0.8rem;
  line-height: 1.72;
}

/* 尾屏双通道 Banner */
.mk-features-cta-banner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 36px 48px;
  align-items: center;
  padding: clamp(36px, 5vw, 56px) clamp(28px, 4vw, 52px);
  border-radius: 4px;
  border-top: 3px solid var(--mk-vermilion);
  background:
    radial-gradient(circle at 10% 20%, rgba(150, 63, 53, 0.2), transparent 45%),
    var(--mk-ink);
  color: var(--mk-paper-card);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.2);
}

.mk-features-cta-main h2 {
  font-family: var(--mk-display);
  font-size: clamp(1.85rem, 3.2vw, 2.75rem);
  font-weight: 550;
  line-height: 1.2;
  letter-spacing: -0.03em;
  margin: 0.5rem 0 0.8rem;
  color: var(--mk-paper-card);
}

.mk-features-cta-desc {
  max-width: 38em;
  color: rgba(255, 253, 248, 0.72);
  font-size: 0.95rem;
  line-height: 1.75;
  margin-bottom: 1.4rem;
}

.mk-features-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  align-items: center;
}

.mk-features-cta-actions .mk-text-link {
  color: rgba(255, 253, 248, 0.76);
  border-color: rgba(255, 253, 248, 0.3);
}

.mk-features-cta-actions .mk-text-link:hover {
  color: var(--mk-paper-card);
  border-color: var(--mk-paper-card);
}

.mk-features-cta-note {
  display: block;
  margin-top: 14px;
  color: rgba(255, 253, 248, 0.5);
  font-size: 0.74rem;
}

.mk-features-cta-qr {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 18px 20px;
  background: rgba(255, 253, 248, 0.08);
  border: 1px solid rgba(255, 253, 248, 0.16);
  border-radius: 6px;
  max-width: 200px;
  flex-shrink: 0;
}

.mk-features-cta-qr img {
  display: block;
  width: 128px;
  height: 128px;
  background: #fff;
  padding: 4px;
  border-radius: 4px;
}

.mk-features-cta-qr strong {
  display: block;
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--mk-paper-card);
}

.mk-features-cta-qr small {
  display: block;
  margin-top: 4px;
  font-size: 0.68rem;
  line-height: 1.45;
  color: rgba(255, 253, 248, 0.58);
}

.mk-features-qr-mobile-guide {
  display: none;
}

/* 产品图框 */

.mk-product-shot {
  min-width: 0;
  margin: 0;
  background: var(--mk-paper-card);
  border: 1px solid var(--mk-line);
  box-shadow: 0 22px 45px -36px rgba(38, 35, 30, 0.58);
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease;
}

.mk-product-shot:hover {
  border-color: #b7aa9b;
  box-shadow: 0 26px 54px -34px rgba(38, 35, 30, 0.62);
}

.mk-shot-browser {
  overflow: hidden;
  border-radius: 3px;
}

.mk-shot-bar {
  display: flex;
  gap: 14px;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border-bottom: 1px solid var(--mk-line);
  background: var(--mk-paper);
}

.mk-shot-dots {
  display: flex;
  gap: 4px;
}

.mk-shot-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #c9bfb2;
}

.mk-shot-address {
  flex: 1;
  max-width: 240px;
  padding: 3px 10px;
  color: var(--mk-muted);
  background: var(--mk-paper-card);
  border: 1px solid var(--mk-line-soft);
  font-family: var(--mk-mono);
  font-size: 0.65rem;
  line-height: 1.5;
  text-align: center;
}

.mk-shot-phone {
  overflow: hidden;
  padding: 8px;
  border: 1px solid #443b31;
  border-radius: 24px;
  background: #201d19;
  box-shadow:
    0 0 0 1px rgba(255, 253, 248, 0.16) inset,
    0 24px 44px -28px rgba(38, 35, 30, 0.7);
}

.mk-shot-notch {
  width: 34%;
  height: 5px;
  margin: 1px auto 7px;
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.28);
}

.mk-shot-viewport {
  overflow: hidden;
  background: var(--mk-paper);
}

.mk-shot-phone .mk-shot-viewport {
  border-radius: 16px;
}

.mk-shot-viewport img {
  display: block;
  width: 100%;
  height: auto;
}

.mk-shot-caption {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-top: 1px solid var(--mk-line);
  color: var(--mk-muted);
  font-family: var(--mk-mono);
  font-size: 0.68rem;
  line-height: 1.5;
}

.mk-shot-caption a {
  color: var(--mk-vermilion);
  border-bottom: 1px solid rgba(150, 63, 53, 0.32);
  text-decoration: none;
}

.mk-shot-caption a:hover {
  border-color: var(--mk-vermilion);
}

.mk-shot-phone .mk-shot-caption {
  display: block;
  padding: 8px 6px 4px;
  border-top: 0;
  color: rgba(255, 253, 248, 0.68);
  font-size: 0.62rem;
}

.mk-shot-phone .mk-shot-caption a {
  display: inline-block;
  margin-top: 3px;
  color: var(--mk-vermilion-bright);
}

@media (max-width: 1099px) {
  .mk-features-hero-grid {
    grid-template-columns: 1fr;
  }

  .mk-features-hero-copy h1 {
    max-width: 11em;
  }

  .mk-features-stage {
    min-height: 470px;
    max-width: 760px;
    margin: 0 auto;
  }

  .mk-feature-story {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 38px;
  }

  .mk-capability-matrix {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .mk-handoff-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px 0;
  }

  .mk-features-cta-banner {
    grid-template-columns: 1fr;
  }

  .mk-features-cta-qr {
    max-width: 100%;
    flex-direction: row;
    gap: 20px;
    text-align: left;
    padding: 16px 20px;
  }
}

@media (max-width: 767px) {
  .mk-features-hero {
    padding-top: 42px;
  }

  .mk-features-hero-copy h1 {
    font-size: clamp(2.35rem, 10.5vw, 3.4rem);
    letter-spacing: -0.04em;
  }

  .mk-features-stage {
    min-height: 370px;
    padding: 12px 0 36px 0;
  }

  .mk-hero-shot-web {
    width: 94%;
  }

  .mk-hero-shot-phone {
    width: 40%;
    min-width: 135px;
  }

  .mk-feature-jump-inner {
    display: flex;
    overflow-x: auto;
    padding-right: 20px;
    padding-left: 20px;
  }

  .mk-feature-jump a {
    min-width: 178px;
    padding: 14px 20px;
  }

  .mk-scene-head h2 {
    font-size: clamp(1.95rem, 9vw, 2.7rem);
  }

  .mk-feature-story {
    grid-template-columns: 1fr;
    gap: 26px;
    padding: 34px 0;
  }

  .mk-feature-story-reverse .mk-feature-story-copy {
    order: 0;
  }

  .mk-feature-story-copy > p {
    font-size: 0.93rem;
  }

  .mk-field-tools {
    grid-template-columns: 1fr;
  }

  .mk-field-tool,
  .mk-field-tool + .mk-field-tool {
    min-height: 0;
    padding: 22px 0;
    border-right: 0;
    border-bottom: 1px solid var(--mk-line-soft);
  }

  .mk-field-tool:last-child {
    border-bottom: 0;
  }

  .mk-office-duo {
    grid-template-columns: 1fr;
  }

  .mk-office-duo .mk-feature-story-compact {
    padding: 20px;
  }

  .mk-capability-matrix {
    grid-template-columns: 1fr;
  }

  .mk-capability-group {
    padding: 24px 20px 26px;
  }

  .mk-features-mid-cta {
    padding: 22px 20px;
  }

  .mk-handoff-steps {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .mk-handoff-step {
    padding: 18px 0 0 44px;
  }

  .mk-handoff-step::before {
    top: -4px;
    left: 0;
  }

  .mk-handoff-step > span {
    position: absolute;
    top: 20px;
    left: 0;
  }

  .mk-features-cta-actions {
    width: 100%;
  }

  .mk-features-cta-qr {
    flex-direction: column;
    text-align: center;
  }

  .mk-features-cta-qr .mk-qr-desktop-label,
  .mk-features-cta-qr .mk-qr-desktop-sub {
    display: none;
  }

  .mk-features-qr-mobile-guide {
    display: flex;
    flex-direction: column;
    gap: 3px;
    margin-top: 8px;
    text-align: center;
  }

  .mk-features-qr-mobile-guide strong {
    color: var(--mk-vermilion-bright);
    font-size: 0.8rem;
    font-weight: 700;
  }

  .mk-features-qr-mobile-guide small {
    color: rgba(255, 253, 248, 0.7);
    font-size: 0.68rem;
    line-height: 1.45;
  }

  .mk-shot-phone .mk-shot-caption {
    font-size: 0.62rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .mk-product-shot,
  .mk-feature-jump a {
    transition: none;
  }
}